KIDEXTRACTOR HIGH-TECHNOLOGY FOR HEAT EXCHANGER PULL AND PUSHING

KIDEXTRACTOR HIGH-TECHNOLOGY FOR HEAT EXCHANGER PULL AND PUSHING

It is a hard work to install and dismantle tube bundle in big heat exchanger, which is widely used in petrochemical and other industries. Removal of  tube bundles are essential; special hydraulic tube bundle extractor are used to extract and transport the tube banks to and from their shell, making the hydraulic machine for pulling out and pushing the tube bundle into the heat exchanger.

KIDExtractor is at the forefront of technology in this special fields, because machines were born from 1000 ideas by people that everyday pull and push tube bundles in oil refineries and chemical plants all over the world.

The hydraulic hooking of the tube plate makes it possible to quickly insert and pull out the tube bundles when the refineries are shutdown with a consequent work time deduction. The great solidity & sturdiness of the structure as well as the innovative improvements make this machine an extremely reliable work tool.

This specially designed machine provides a brilliant solution to the problem of moving tube bundles inside the plant from the point where they are extracted to the washing yard or the internal workshop of the plant thus eliminating the use of trucks and mobile cranes and speeding up considerably the loading and unloading operations carried out just a few inches from ground level in complete safety.
KIDExtractor is your hydraulic tube bundle extractor, super light, super easy to operate, super powerful and super clever and self supportive due to the use of an air-cooled diesel engine with all the hydraulic functions remotely controlled, fitted with hydraulic winch that can pull and install the most obstinate bundles in one stroke, normally in less than 15 minutes and with the biggest range of machines in the world.

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Why Use a Tube Bundle?

Many people are not aware of what it is but the tube bundle is basically a group of tubes which are tied with each other by rods amidst the shell & tube heat exchangers. These bundles can in handy during the heat exchange process on a large scale. This has many high end benefits in both the short and the long run. However, individuals should be aware of what it does and does not offer in the long run. Generally, this bundle is found in this particular heat exchanger due to the fact that it contains a wide range of tubes in the first place.

High End Cleaning
Since the tube bundle consists of a wide range of many tubes that are tied with each other through rods, it is fairly easy to clean. These can be cleaned through many different ways, and one of the most effective ones includes chemical cleaning. As tubes are narrow and long, the cleanliness process does not only take a short period of time, but it is also rather easy to manage in comparison of the cleanliness of other heavy and complex equipment. These tubes can be easily cleaned off without having to make them clogged in the process; which is precisely why using shell & tube heat exchangers has been highly recommended to everyone.

Accuracy & Productivity
The tube bundle within shell & tube heat exchangers also tends to increase the overall productivity in the process of heat transfer. This is due to the fact that these tubes are special and has been constructed in such a way which not only does increase heat efficiency, but it also increases productivity in the long run. Due to these reasons, the bundle has become a requirement for shell & tube heat exchangers and will always be due to the benefits it has to offer in terms of the transfer of heat for various industrial applications and everything as such.
Heat Efficient
On the other hand, the matter of heat efficiency stands undisputed as one of the most major reasons for actually using heat exchangers. With the help of a tube bundle, the efficiency of heat tends to increase by a long shot, which makes the overall process much more productive and fully fulfills the requirements in the overall procedure of heat transfer. In shell & tube heat exchangers, this bundle has been specifically manufactured for this very purpose, and it most definitely fulfills that in both the short as well as the long run.
Easy Installation
It is much, much simpler to install tube bundles than it is to install other types of wires and tubes. Most of the installation has to be done underground since the tubes have to be buried in certain cases. Of course, in the case of the shell and heat exchanger, the installation has to be done inside a machine – a much more congested area. The simplicity of tube bundles is that they are not twisted but are made in a straight parallel design which makes their placement much easier. One does not have to find small places in nooks and crannies to install the appliance. One large space will be sufficient.
Tubing materials
Most tubing companies order a number of different materials for creating tube bundles. Manufacturers realize that different consumers of tube bindles require different types of materials for their tubes. Thus, they offer a number of different ones to choose from. For example, one can choose to buy a tube bundle made up of silica lined steel or stainless steel. In the case of high heat transfer, one can even use copper to get it constructed. Other materials include zinc and aluminum.

Sample Tendering for Tube Bundle Proposal

For HE-I

01. Opening & dismantling of cooling water inlet& outlet flanges from 4 inch cooling water manifold line from tube bundle to enable for lifting 4 nos. (One manifold in each tube bundle & two flanges in one manifold)

02. Dismantling of inlet & outlet 6 inch cooling water line of each interstage coolers

03. Opening & dismantling of cooling water tube bundle top head from each tube sheet

04. Opening, lifting & then lowering of four water tube bundles. Each tube bundle weighs 2 MT approx. and laying it properly.

05. Opening & dismantling of cooling water tube bundle bottom head from each tube sheet.

06. Opening, lifting & then lowering of the separator (weighs 0.5 MT approx.) and laying it properly.

07. Dismantling of all cooler drain & drain by-pass system flanges for choke clearing.

08. Proper cleaning of all flange-jointing areas.

09. Cutting of all necessary gaskets in proper dimensions from supplied gasket sheets.

10. Fitting of gaskets properly without damage in all appropriate positions.

11. Fitting, assembling & boxing up the manifolds, pipe lines, tube bundles, etc.

12. Appropriate tightening of all nuts-bolts.

13. Making & fitting of all appropriate jacking/ lifting arrangement by cutting, welding, grinding works.

14. All the tools & tackles, cutting & welding appliances and accessories shall be adequately supplied by the executing agency.

15. All best engineering practices & procedures and safety gadgets to be strictly followed while working.

16. Assembling/Dismantling of scaffoldings.

17. Carrying/cleaning of site debris/waste to dumping yard after finishing of job.

18. Returning of unused supplied material(s) to the Engineer-in-charge. 

19. Job shall be executed as instructed by Engineer-in-charge.

For HE-3

1. Opening & dismantling of cooling water inlet& outlet flanges from 4 inch cooling water manifold line from tube bundle to enable for lifting 3 nos. (One manifold in each tube bundle & two flanges in one manifold)
2. Dismantling of inlet & outlet 6 inch cooling water line of each interstage coolers
3. Opening & dismantling of cooling water tube bundle top head from each tube sheet
4. Opening, lifting & then lowering of three water tube bundles. Each tube bundle weighs 2 MT approx. and laying it properly.
5. Opening & dismantling of cooling water tube bundle bottom head from each tube sheet.
6. Opening, lifting & then lowering of the separator (weighs 0.5 MT approx.) and laying it properly.
7. Dismantling of all cooler drain & drain by-pass system flanges for choke clearing.
8. Proper cleaning of all flange-jointing areas.
9. Cutting of all necessary gaskets in proper dimensions from supplied gasket sheets.
10. Fitting of gaskets properly without damage in all appropriate positions.
11. Fitting, assembling & boxing up the manifolds, pipe lines, tube bundles, etc.
12. Appropriate tightening of all nuts-bolts.
13. Making & fitting of all appropriate jacking/ lifting arrangement by cutting, welding, grinding works.
14. All the tools & tackles, cutting & welding appliances and accessories shall be adequately supplied by the executing agency.
15. All best engineering practices & procedures and safety gadgets to be strictly followed while working.
16. Assembling/Dismantling of scaffoldings.
17. Carrying/cleaning of site debris/waste to dumping yard after finishing of job.
18. Returning of unused supplied material(s) to the Engineer-in-charge. 
19. Job shall be executed as instructed by Engineer-in-charge. 

Benefits of Using a Heat Exchanger

For many for are not aware, the main reason for using a heat exchanger is the fact that through it, the heat is transferred through different equipment and devices almost immediately. It is also used for cooling down of various materials such as water as well as oil for that matter. Also, clean and cold can either also be expensive or just corrosive due to natural reasons. In such circumstances, the usage of heat exchangers enables high end water cooling at a swift rate. It also has a high end heat transferal rate for equipment. 

High End Functionality

One of the most well-known benefits of using these exchangers is the fact that they offer spectacular performance, which is precisely why people prefer it over all the other methods of heat transfer from various commodities and natural sources. The high end electric motors found in these exchangers shows how swift they work and how very durable they can be. According to many user reviews, these devices can be really high end to configure and use sometimes but with the right amount of knowledge and some experience, it really gets easy later on. 

Different Kinds Available

All types of a heat exchanger arrive with different features which are unique in their way. Individuals should always choose the kind that they prefer the most in order to see the way it will benefit them in the near future. These exchangers definitely vary from model to model, and while some have different temperatures, the others have various sorts of design pressure. As these machines are used for the purpose of the removal of heat that is not required, these are used in areas where the temperature is a lot more than 20 degrees. Therefore, this piece of information should definitely be kept in mind before purchasing them in the near future.

The Most Exclusive of its Kind

In comparison with other exchangers, these have a lot more ability for heat transfer and removal and they have also more effective cooling and heating properties which make them a suitable choice in comparison with all the other machines and devices that can carry out the same job that they can do. Before purchasing a heat exchanger, one must always check out its performance and top features. Currently, a lot of these devices have advanced technology feature, which tends to increase the levels of the overall performance by a long shot and thus, making these exchangers a great long-term investment. 

Price Range

An important thing to know about a heat exchanger is the fact that it allows people to save money in a lot of things. While the initial cost may be high, it certainly pays off in the long run. Hence, investing in these is really recommended to all those individuals who wish to be able to ensure high end heat transferal as well as the cooling down of liquids. Mostly, these exchangers are used in top notch industrial plants and everywhere as such. It is safe to say that these exchangers are more towards the higher price range but they are certainly affordable for a lot of people.

Accurate & Reliable

A prominent benefit of using a heat exchanger is the fact that it stands undisputed as one of the most reliable sources for heat transferal and for cooling down liquids too. Amongst all the other ways through which human can fulfill this purpose, using heat exchangers is very much utilized these days as it is not only the most reliable but it is also the most convenient. While a lot of individuals may not yet be completely aware of these exchangers, they are slowly becoming everything that people would need when there is no way for cooling down liquids or to ensure heat transfer between various devices. 

Beside heat exchangers, Heatec Holdings also provides plate cooler gasket for marine services.

Home Basics – Cleaning Equipment that every Household must have

Dirt, dust, smudges and spills are some things that are pretty much unavoidable. Though, they are common still they require awful lot of hard work to go away. Cleaning tools that are commonly needed and which should always be at disposal are listed here below.

Hand Brush or Sponge:

A good quality sponge can absorb anything. Rather than a piece of cloth, sponge is far more effective and far less difficult to use. In case of spills on tile floor or even carpet, instant usage of sponge makes sure that the liquid got separated from the surface before it could do any damage. For scrubbing purposes, special two sides tool of which one side it foamy and the other has fibers is also available.

Squeegee:

There is nothing more difficult to comprehend with than dirt marks on glass of windows and doors. They appear severely permanent and very hard to remove. Furthermore, these marks can slowly decay poor quality glass or plastic. Squeegee can be used to scrub off such marks from surfaces that are smoother like metal, glass or plastic. However, rough surfaces demand another solution.

Microfiber Fabric:

Squeegee can get hard and thus can leave scratch marks on the surface, in that case, microfiber cloth is very practical as it does not leave a mark as it effectively goes on to clean the surface with gentle scrubbing.

Spray Bottles:

Any liquid low in viscosity can be used in spray bottles, let it be a cleaning agent or simple water. Spray bottles are effective to widely distribute the liquid onto the surface that is to be cleaned.

Broomstick and Mop:

These are some items that have been around since times of grannies. Their shape has not changed much ever since and even today they are considered as some of the most effective tools for domestic cleaning.

Metal Buckets:

Whether there is a little fire that needs to be extinguished or floor that needs to be cleaned, a metallic bucket is among the most important household items. 

Vacuum Cleaner:

As the time progresses and advancements come, there have been developed certain domestic products that are used for quick cleaning. Vacuum cleaner stands tall amongst such items. By changing the air inlets on the cleaner, it can be made to reach the toughest of places like under the beds, sofas and the like.

Ultrasonic Cleaning Devices:

In the current decade, ultrasonic cleaning devices are arguably the most talked about of the cleaning equipment used by households. These devices use sound waves to clean items that are placed in the cleaning chambers. One thing to be noted here is that these devices are not made just for domestic purposes but also for the marine services. Ultrasonic cleaning devices as big a room have been tailor made to suit the needs of users. Devices as big as this are used for cleaning air craft and super car parts that cannot be cleaned with water. These parts cannot be cleaned with water because they threaten rusting of metal and may also change or tamper with the chemical characteristics of item being cleaned.

Smaller ultrasonic cleaning devices however are widely used for cleaning dishes and other utensils. These devices are known to cost a lot since they are expensive in purchase and also in operating; these devices take a lot of power that shows up in the electricity bills. However, as remedy of this drawback newer models of ultrasonic cleaning devices with lesser cleaning time and more efficient engines are being produced. In the modern day, this is considered as a must have commodity for households. 

More fin tube,shell & tube and ultrasonic cleaning ,visit here

Steam Condenser FAQs – Answered

With the advent of the internet and other digital technology, information sharing has become a common practice. The practice is so widespread that many people who want to go shopping, especially to purchase expensive and long lasting items, often turn on the internet to read reviews and gain a basic knowhow about the products they wish to buy. The steam condenser industry is one such example. Many people have a lot of unanswered questions about the appliance and with the help of this article, a few of them are being answered. So, read on in order to gain some in-depth understanding.

What is it?

Steam condensers are also often known as surface condensers. In fact, the name surface condenser is a lot more popular. However, the two things are not much different and often signify the same appliance. They are things that make sure that the steam and liquid stay away from each other and do not come in contact in any way. Both the entities are supposed to only play their required roles in the appliances they have been installed in. They can be used in heat exchangers and are commonly used in the shell and tube heat exchanger. The appliance is supposed to condense the steam while keeping it away from the water.

What is an effective condenser?

There are certain criteria that must be fulfilled before steam condensers can qualify as working appliances. To begin with, it must be able to condense as much steam as possible, especially when compared to the per unit area available for heat transfer. Moving on, it must not have too much of any cooling fluid inside it or it will mess with other appliances in the car. Also, the heat transfer surface for every kW must be as low as possible as well. Most importantly, it must not draw power or energy from any other auxiliaries, especially if it is installed in a moving vehicle,

What are the limitations?

Like every product, there are certain limitations that a steam condenser has and while it may be a great item, there are certain areas where it does fall short. To begin with, it is quite a bulky object and will not only require a lot of space to be properly stored but will also increase the weight of the appliance in which it is installed. The floor spaces will inevitable increase greatly. Moving on, it is also known to be one of the most expensive equipment out there since it takes a lot of money to manufacture the product and sell it properly. The three processes of the preparation; manufacturing, running and marketing are all incredibly expensive and will increase the selling price as well. Moreover, the maintenance costs are very high too. So, the expenses will not end after the purchase.

What are the requirements for a perfect condenser?

There are many different features that come along with the different kinds of condensers sold in the markets today. To begin with, there is the requirement that the steam must be equally distributed to all parts of the appliance for effective and smooth operations. 

Moving on, there must be no condensations or sub cooling installed within the condenser as this reeks of substandard manufacturing and is ineffective. Another important thing is to ensure that there are no leakages of any sorts taking place within the condenser or there should not be any tubes leaking as this can be extremely dangerous and hazardous as well. Lastly, one must make sure that there are no particles or deposits that may hamper smooth operations within the condenser.

As the article comes to an end, it is advised that all readers must thoroughly go through it in order to understand steam condensers before the actual purchase. 

More steam condenser options , visit http://www.heatecholdings.com/

Tube Bundle – A Brief Description of its Parts

The usage of a tube bundle has increased on a large scale over the recent years since it has a lot of industrial applications and is known to be the best way for the transferal of heat. These bundles are available in a wide range of different sizes, diameters, shapes, materials as well as designs. Choosing the most appropriate one depends on whichever industrial application it has to be used for in the first place, which has to be decided by the user. There are many parts of these bundles, all of which are unique in their own way and without them; these bundles tend to not work as efficiently as they do otherwise.

The Width

The thickness of the tube is another factor that should be checked out before buying these bundles for any sort of uses, particularly for heat exchange. Certain standards of tube thickness have been set for people to see and decide which one they prefer more. The thickness of tubes actually makes the outer walls heavy, making the bundles much more solid and efficient in the long run. For all that these bundles have to offer, these should definitely be used for heat exchange and all the industrial uses related to it in general.

The Material

Individuals who are going ahead in order to use this bundle should always check out the tube materials beforehand. This basically ensures the material that has been used in the manufacturing of the bundles in the first place. Mostly, they are made of cooper and that is easy enough to find. However, in case these ones are not available for some reason, there is a wide range of other tube materials which are available for the convenience of users. These materials generally are inclusive of carbon steel, titanium, cupro-nickel and many more which are equally as effective.

Bolt Holes

On the other hand, these bundles also are inclusive of bolt holes which can be found in abundance. People should be aware of the fact that the bolt holes always tend to go around the tubesheet and on through it, which is a common misconception amongst a lot of individuals who decide to use the tube bundle for a variety of different reasons. However, some of these bundles many have bolt holes and on the other hand, some may as well not have them too. Although knowing the size of the bolt holes present in these bundles along with their sizes and length is exceptionally important.

Tube-sheets

Being a part of the tube bundle, the tubesheet thickness is something that can be easily measured. While the thickness may vary always, individuals who wish to use these bundles can always select the type of tubesheet thickness which suits them best and that usually tends to depend on the type of application it is being used for. The diameter can also be checked without having to face any issue and for those who are interested in knowing the actually thickness of the tubesheet which is majorly found in these bundles, it varies from 5” to 3” thick at best.

The Straight & the U Tubes

While some bundles have straight tube whereas the other ones are “U”. U tubes as well as straight tubes are significant in their own way and are used for various reasons and industrial applications. Choosing whichever is needed usually depends but they both are most likely to come in handy. Recognizing these different kinds of this bundle is exceptionally easy as the straight ones are rather plain and quite in symmetry whereas the U tubes are literally in the shape of a U – which is very easy to spot. The more commonly used type of tubes is the U ones, since they are more easily available and beneficial in comparison with the straight ones.

More article on Tube Bundle over here.

Tube bundle Heat Exchanger Details

This kind of cooler are bi-metal rolling compound fin tube type heat exchanger, it is composed of casing、tube bundle、tube box and separator and so on. The specific heat exchanging process is as follow：After heat air flow into gas inlet connect piping, and then swerve to cross outside of the fin, and exchange heat with cooling water in the pipe. Cooled air is separated into oil and gas through separator, and then it flow out to circle from gas outlet tube via turning, thereby complete two courses of heat exchanging and separation. Due to process air flow through tube bundle, its pressure lost will be smaller than traditional baffle plate heat exchanger.

   The casing of bi-metal rolling compound fin tube type heat exchanger is composed of front-end plate、barrel、gas inlet connecting and flanges、gas outlet connecting and flanges、rear-end plate、saddle、seal plate、slide way and so on. Front-end plate is rotundity with square hole opened on it, where the tube bundle thrust into casing. It has advantage of strong capacity of bearing inner pressure and simple manufacturing. Gas inlet and outlet connecting are arranged separately at two sides of barrel. Connecting flange adopt loose flange，which can settle problems such as centering in course of piping installation. Rear-end plate often adopt rotundity slab, the heat exchanger with bigger diameter or bearing bigger pressure also can adopt ellipse head. The saddle adopted by this suites of inter-stage cooler is spring pedestal，which can remove temperature difference stress existing in the course of working of inter-stage cooler and portion axial\radial stress in piping.  Seal plate is divided into upper spacer、lower spacer、rear spacer. The material of seal bar is silicon rubber, due to seal bar is easy to damage, we make the connection between seal bar and spacer design into bolt connection. After seal bar meet the tube bundle, it separate casing into two portions that is gas inlet and outlet so that succeed to prevent gas is short circuit. The design of slide way by our company is replaceable type. It is better to settle the problem of replacing. Condensation water exhaust outlet is set at the end of casing, where the condensation water flow out from head exchanger.

   The tube bundle of bi-metal rolling compound fin tube type heat exchanger is composed of heat exchanging tube、tube sheet、upper and lower side plate and wheel assembly etc. heat exchanging tube adopted bi-metal rolling compound fin tube. Tube sheet adopted compound tube sheet material. For processing precision of tube hole, it should be according to GB151. Connection of tube sheet and heat exchanger adopt welding structure. Between tube sheet and upper & lower side plate adopt bolt connection. Upper & lower side plate can be taken out in course of checking and repair for the purpose of washing completely for tube bundle. Channel steel and reinforcement strip on upper & lower side plate are playing the strengthening rules. In additional, the surface of channel steel contact with seal bar of upper & lower spacer to come true seal structure. Sliding unit of this heat exchanger adopt structure of wheel and slide way for assembling easily, wheel assembly and lower side plate adopt bolt connection for replacing in time.

   Tube tank of bi-metal rolling compound fin tube type heat exchanger divided into fore-tube tank and rear-tube tank. Number of water-circle need to confirm according to the request of casing diameter and heat-exchanging. In general there are 2、4、6 water-circle number, and it rely on U type seal washer to detach the circle. Numbers of seal channel are made between two bolt holes, screw plug press the O ring tightly to make tube tank and fore-end tube plate connect together. Gas outlet and water discharge are set on fore-tube tank. Gas outlet can ensure that cooling water can be filled in all tube bundle in early operation of heat exchanger. Water discharge is used in checking and repair, it can remove cooling water in pipe.

   The separator of bi-metal rolling compound fin tube type heat exchanger is composed of separator frame and wire mesh demister etc.. The material of separator frame is stainless steel. In order to ensure separating effect, wire mesh demister always adopt high-efficiency type. When the length of heater is more than two meter, it adopt multi-separator, with the structure connected by bolt between separators or separator and casing for convenient checking and repair.

   Bi-metal rolling compound fin tube type heat exchanger is with advantage of low power consumption、small pressure lost、good proof-rust、high heat exchanging efficiency. Nowadays it has been widely used in air-separation industry.

Structure characteristic of Tube Bundle booster after cooler

This kind of cooler are bi-metal rolling compound fin tube type heat exchanger, it is composed of casing、tube bundle、tube box and separator and so on. The specific heat exchanging process is as follow：After heat air flow into gas inlet connect piping, and then swerve to cross outside of the fin, and exchange heat with cooling water in the pipe. Cooled air is separated into oil and gas through separator, and then it flow out to circle from gas outlet tube via turning, thereby complete two courses of heat exchanging and separation. Due to process air flow through tube bundle, its pressure lost will be smaller than traditional baffle plate heat exchanger.

   The casing of bi-metal rolling compound fin tube type heat exchanger is composed of front-end plate、barrel、gas inlet connecting and flanges、gas outlet connecting and flanges、rear-end plate、saddle、seal plate、slide way and so on. Front-end plate is rotundity with square hole opened on it, where the tube bundle thrust into casing. It has advantage of strong capacity of bearing inner pressure and simple manufacturing. Gas inlet and outlet connecting are arranged separately at two sides of barrel. Connecting flange adopt loose flange，which can settle problems such as centering in course of piping installation. Rear-end plate often adopt rotundity slab, the heat exchanger with bigger diameter or bearing bigger pressure also can adopt ellipse head. 

The saddle adopted by this suites of inter-stage cooler is spring pedestal，which can remove temperature difference stress existing in the course of working of inter-stage cooler and portion axial\radial stress in piping.  Seal plate is divided into upper spacer、lower spacer、rear spacer. The material of seal bar is silicon rubber, due to seal bar is easy to damage, we make the connection between seal bar and spacer design into bolt connection. After seal bar meet the tube bundle, it separate casing into two portions that is gas inlet and outlet so that succeed to prevent gas is short circuit. The design of slide way by our company is replaceable type. It is better to settle the problem of replacing. Condensation water exhaust outlet is set at the end of casing, where the condensation water flow out from head exchanger.

   The tube bundle of bi-metal rolling compound fin tube type heat exchanger is composed of heat exchanging tube、tube sheet、upper and lower side plate and wheel assembly etc. heat exchanging tube adopted bi-metal rolling compound fin tube. Tube sheet adopted compound tube sheet material. For processing precision of tube hole, it should be according to GB151. Connection of tube sheet and heat exchanger adopt welding structure. Between tube sheet and upper & lower side plate adopt bolt connection. Upper & lower side plate can be taken out in course of checking and repair for the purpose of washing completely for tube bundle. Channel steel and reinforcement strip on upper & lower side plate are playing the strengthening rules. In additional, the surface of channel steel contact with seal bar of upper & lower spacer to come true seal structure. Sliding unit of this heat exchanger adopt structure of wheel and slide way for assembling easily, wheel assembly and lower side plate adopt bolt connection for replacing in time.

   Tube tank of bi-metal rolling compound fin tube type heat exchanger divided into fore-tube tank and rear-tube tank. Number of water-circle need to confirm according to the request of casing diameter and heat-exchanging. In general there are 2、4、6 water-circle number, and it rely on U type seal washer to detach the circle. Numbers of seal channel are made between two bolt holes, screw plug press the O ring tightly to make tube tank and fore-end tube plate connect together. Gas outlet and water discharge are set on fore-tube tank. Gas outlet can ensure that cooling water can be filled in all tube bundle in early operation of heat exchanger. Water discharge is used in checking and repair, it can remove cooling water in pipe.

   The separator of bi-metal rolling compound fin tube type heat exchanger is composed of separator frame and wire mesh demister etc.. The material of separator frame is stainless steel. In order to ensure separating effect, wire mesh demister always adopt high-efficiency type. When the length of heater is more than two meter, it adopt multi-separator, with the structure connected by bolt between separators or separator and casing for convenient checking and repair.

   Bi-metal rolling compound fin tube type heat exchanger is with advantage of low power consumption、small pressure lost、good proof-rust、high heat exchanging efficiency. Nowadays it has been widely used in air-separation industry. 

Important Parts of a Tube Bundle & their Uses

A tube bundle is used for many reasons, and one of the most important ones includes heat exchange in various commodities. These bundles are available in a wide range of different sizes, diameters, shapes, materials as well as designs. Choosing the most appropriate one depends on whichever industrial application it has to be used for in the first place, which has to be decided by the user. There are many parts of these bundles, all of which are unique in their own way and without them; these bundles tend to not work as efficiently as they do otherwise.

Tubesheet Material

Being a part of the tube bundle, the tubesheet thickness is something that can be easily measured. While the thickness may vary always, individuals who wish to use these bundles can always select the type of tubesheet thickness which suits them best and that usually tends to depend on the type of application it is being used for. The diameter can also be checked without having to face any issue and for those who are interested in knowing the actually thickness of the tubesheet which is majorly found in these bundles, it varies from 5” to 3” thick at best.

Presence of Bolt Holes

On the other hand, these bundles also are inclusive of bolt holes which can be found in abundance. People should be aware of the fact that the bolt holes always tend to go around the tubesheet and on through it, which is a common misconception amongst a lot of individuals who decide to use the tube bundle for a variety of different reasons. However, some of these bundles many have bolt holes and on the other hand, some may as well not have them too. Although knowing the size of the bolt holes present in these bundles along with their sizes and length is exceptionally important.

Materials of the Tube

Individuals going ahead in order to use a tube bundle should always check out the tube materials beforehand. This basically ensures the material that has been used in the manufacturing of the bundles in the first place. Mostly, they are made of cooper and that is easy enough to find. However, in case these ones are not available for some reason, there is a wide range of other tube materials which are available for the convenience of users. These materials generally are inclusive of carbon steel, titanium, cupro-nickel and many more which are equally as effective.

Type of Tubes

While some bundles are straight tube whereas the other ones are “U”. U tubes as well as straight tubes are significant in their own way and are used for various reasons and industrial applications. Choosing whichever is needed usually depends but they both are most likely to come in handy. Recognizing these different kinds of a tube bundle is exceptionally easy as the straight ones are rather plain and quite in symmetry whereas the U tubes are literally in the shape of a U – which is very easy to spot. The more commonly used type of tubes is the U ones, since they are more easily available and beneficial in comparison with the straight ones.

Thickness of Tubes

The thickness of the tube is another factor that should be checked out before buying these bundles for any sort of uses, particularly for heat exchange. Certain standards of tube thickness have been set for people to see and decide which one they prefer more. The thickness of tubes actually makes the outer walls heavy, making the bundles much more solid and efficient in the long run. For all that these bundles have to offer, these should definitely be used for heat exchange and all the industrial uses related to it in general.



Heatec Holdings offers services for thermal design, ultrasonic cleaning, and tube u-bundle for marine sectors