CN107606975A - A kind of pipe heat exchanger - Google Patents
A kind of pipe heat exchanger Download PDFInfo
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- CN107606975A CN107606975A CN201710968674.4A CN201710968674A CN107606975A CN 107606975 A CN107606975 A CN 107606975A CN 201710968674 A CN201710968674 A CN 201710968674A CN 107606975 A CN107606975 A CN 107606975A
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- exchanger tube
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Abstract
The invention discloses a kind of pipe heat exchanger, including casing, heat exchanger tube is set in casing, water inlet and delivery port are set on casing, water inlet, delivery port are connected with the both ends of heat exchanger tube respectively, medium inlet and media outlet are also set up on casing, the intracavity inter-connection of medium inlet and media outlet with casing, heat exchanger tube is interior to set tumbler.Wherein, tumbler includes steel bracket, rotary shaft and spiral band, current enter in heat exchanger tube, current rely on itself flow velocity, driving spiral band constantly rotates in heat exchanger tube, and spiral band can accelerate the disturbance of current in rotation process, current is changed into turbulent condition by laminar condition, break thermal stratification in heat exchanger tube, so as to strengthen the heat transfer between current and pipe wall of heat exchange pipe.At the same time, the fluid by disturbance can also reduce attachment of the incrustation scale in heat exchange tube inwall, attached incrustation scale as washing away for current and come off, reach the purpose of automatic antiscale, scale removal.
Description
Technical field
The present invention relates to field of heat exchange, more particularly to a kind of pipe heat exchanger.
Background technology
Heat exchanger is the equipment that the partial heat of hot fluid is passed to cold fluid, also known as heat exchanger.Being of heat exchanger
Work, oil, power, the common apparatus of food and other many industrial departments, occupy critical role in production.In Chemical Manufacture
Middle heat exchanger can be used as heater, cooler, condenser, evaporator and reboiler etc., be more widely applied.Heat exchanger species is very
It is more, but substantially can divide three major types i.e. according to the principle and mode of cold and hot fluid heat exchange：Dividing wall type, hybrid and accumulation of heat
Formula, in three class heat exchangers, dividing wall type heat exchanger application is most.Tubular type (also known as shell-and-tube, shell and tube) heat exchanger is most typically
Dividing wall type heat exchanger, its application industrially has long history, and still occupies master in all heat exchangers so far
Lead status.Pipe heat exchanger is mainly made up of housing, tube bank, tube sheet and envelope first class sections, and how rounded housing is, and inside is equipped with flat
Row tube bank, tube bank both ends are fixed on tube sheet.The two kinds of fluids to be exchanged heat in pipe heat exchanger, it is a kind of in Bottomhole pressure,
Its stroke is referred to as tube side；One kind flows outside pipe, and its stroke is referred to as shell side.The wall of tube bank is heat-transfer area.
Existing shell and tube exchanger internal heat exchange tubes have the forms such as light pipe type, bellows-type, and light pipe type heat exchanger tube makes work
Skill is simple, easy for installation, but media flow state is mostly laminar flow in pipe, and heat transfer effect is bad；Bellows-type heat exchanger tube increases
Fluctuation during media flow is also increased while heat exchange area, heat transfer effect is lifted, but adopts water as heat transferring medium
When tube wall incrustation it is serious, and clean inconvenient, the longtime running to heat exchanger brings very burden.
Therefore, how to improve in the prior art, pipe heat exchanger heat exchange efficiency is bad, the present situation of the easy fouling of tube wall, is
Those skilled in the art's urgent problem to be solved.
The content of the invention
It is an object of the invention to provide a kind of pipe heat exchanger, to solve the above-mentioned problems of the prior art, improves pipe
The heat exchange efficiency of formula heat exchanger, while improve the phenomenon of the easy fouling of exchanger tube wall.
To achieve the above object, the invention provides following scheme：The present invention provides a kind of pipe heat exchanger, including case
Body, the casing is interior to set heat exchanger tube, and water inlet and delivery port, the water inlet, the delivery port point are set on the casing
Both ends not with the heat exchanger tube are connected, and also set up medium inlet and media outlet on the casing, the medium inlet and
Intracavity inter-connection of the media outlet with the casing, the heat exchanger tube is interior to set tumbler；
The tumbler includes steel bracket, rotary shaft and spiral band, and the spiral band is connected with the rotary shaft,
The rotary shaft is rotatablely connected with the steel bracket, and ceramic bearing, the steel are set between the rotary shaft and the steel bracket
Support abuts with the inwall of the heat exchanger tube.
Preferably, the casing is split-type structural, water inlet bobbin carriage that the casing includes being sequentially connected, main body pipeline section and
Water outlet bobbin carriage, the water inlet are arranged on the water inlet bobbin carriage, and the heat exchanger tube is arranged at the main body pipeline section, the water outlet
Mouth is arranged on the water outlet bobbin carriage, and the medium inlet and the media outlet may be contained within the main body pipeline section.
Preferably, first flange is set on the water inlet bobbin carriage, the both ends of the main body pipeline section set second flange respectively
With the 3rd flange, the 4th flange is set on the water outlet bobbin carriage, sets and changes respectively in the second flange and the 3rd flange
Heat pipe hole, the both ends of the heat exchanger tube are respectively arranged in the heat exchanging holes, the first flange and the second flange bolt
Connection, the 3rd flange connect with the 4th flange bolt.
Preferably, the quantity of the heat exchanger tube is multiple to have gap, the heat exchanger tube between the adjacent heat exchanger tube
It is equidistantly uniform.
Preferably, the medium inlet is arranged on the main body pipeline section close to one end of the water inlet, the medium
Outlet is arranged on the main body pipeline section close to one end of the delivery port.
Preferably, sewage draining exit and exhaust outlet are also set up on the water outlet bobbin carriage.
Preferably, the water inlet, the delivery port, the medium inlet and the media outlet are respectively provided with connecting tube,
Adpting flange is set in the connecting tube.
Preferably, the steel bracket includes supporting part and insertion section, and the supporting part is annular, the supporting part it is outer
Surface is abutted with the inwall of the heat exchanger tube, and the outer ring of the inwall of the supporting part and the ceramic bearing is interference fitted, described
Insertion section is in inversed taper platform shape, and the steel bracket is arranged at the heat exchanger tube close to one end of the water inlet bobbin carriage.
Preferably, the supporting part inwall sets shoulder block and bearing position, the ceramic bearing to be arranged at the bearing position, institute
State shoulder block and be arranged at the bearing position close to the side of the spiral band, the opposite side setting back-up ring of the bearing position.
Preferably, the rotary shaft is detachably connected with the spiral band, and the shaft shoulder is set in the rotary shaft.
The present invention achieves following technique effect relative to prior art：The pipe heat exchanger of the present invention, in heat exchanger tube
Tumbler is set, and tumbler includes steel bracket, rotary shaft and spiral band, and current enter in heat exchanger tube, and current rely on certainly
Body flow velocity, driving spiral band constantly rotate in heat exchanger tube, and spiral band can accelerate the disturbance of current in rotation process, make
Current are changed into turbulent condition by laminar condition, break thermal stratification in heat exchanger tube, so as to strengthen current and pipe wall of heat exchange pipe it
Between heat transfer.At the same time, the fluid by disturbance can also reduce attachment of the incrustation scale in heat exchange tube inwall, attached
Incrustation scale as washing away for current and come off, reach the purpose of automatic antiscale, scale removal.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the overall structure diagram of pipe heat exchanger of the present invention；
Fig. 2 is the partial schematic diagram of the rotational structure of pipe heat exchanger of the present invention；
Wherein, 1 is casing, and 101 be water inlet bobbin carriage, and 102 be main body pipeline section, and 103 be water outlet bobbin carriage, and 104 be first flange,
105 be second flange, and 106 be the 3rd flange, and 107 be the 4th flange, and 2 be heat exchanger tube, and 3 be water inlet, and 4 be delivery port, and 5 be Jie
Matter entrance, 6 be media outlet, and 7 be rotating device, and 701 be steel bracket, and 701a is supporting part, and 701b is insertion section, and 702 be rotation
Rotating shaft, 703 be spiral band, and 704 be ceramic bearing, and 8 be sewage draining exit, and 9 be exhaust outlet, and 10 be connecting tube, and 11 be adpting flange.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It is an object of the invention to provide a kind of pipe heat exchanger, to solve the above-mentioned problems of the prior art, improves pipe
The heat exchange efficiency of formula heat exchanger, while improve the phenomenon of the easy fouling of exchanger tube wall.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
Fig. 1 and Fig. 2 are refer to, Fig. 1 is the overall structure diagram of pipe heat exchanger of the present invention, and Fig. 2 is tubular type of the present invention
The partial schematic diagram of the rotational structure of heat exchanger.
The present invention provides a kind of pipe heat exchanger, including casing 1, and heat exchanger tube 2 is set in casing 1, water inlet is set on casing 1
Mouth 3 and delivery port 4, the both ends of water inlet 3, delivery port 4 respectively with heat exchanger tube 2 are connected, and medium inlet 5 is also set up on casing 1
With media outlet 6, the intracavity inter-connection of medium inlet 5 and media outlet 6 with casing 1, heat exchanger tube 2 is interior to set tumbler 7.
Wherein, tumbler 7 includes steel bracket 701, rotary shaft 702 and spiral band 703, spiral band 703 and rotation
Axle 702 is connected, and rotary shaft 702 is rotatablely connected with steel bracket 701, and ceramic bearing is set between rotary shaft 702 and steel bracket 701
704, steel bracket 701 abuts with the inwall of heat exchanger tube 1.
Current are entered in heat exchanger tube 2 by water inlet 3, and current rely on itself flow velocity, and driving spiral band 703 is in heat exchanger tube 2
Interior constantly rotation, spiral band 703 can accelerate the disturbance of current in rotation process, current is changed into turbulent flow by laminar condition
State, break thermal stratification in heat exchanger tube 2, so as to strengthen the heat transfer between current and the tube wall of heat exchanger tube 2, improve heat exchange effect
Rate.At the same time, the fluid by disturbance can also reduce attachment of the incrustation scale in the inside pipe wall of heat exchanger tube 2, and attached incrustation scale also can
Come off because of washing away for current, reach the purpose of automatic antiscale, scale removal.Finally, by the current of enhanced heat exchange by heat exchange
Pipe 2, flowed out by delivery port 4, supply heat user uses.
Specifically, casing 1 is split-type structural, and casing 1 includes water inlet bobbin carriage 101, the and of main body pipeline section 102 being sequentially connected
Water outlet bobbin carriage 103, water inlet 3 are arranged at on water bobbin carriage 101, and heat exchanger tube 2 is arranged at the inside of main body pipeline section 102, delivery port 4
It is arranged on water outlet bobbin carriage 103, medium inlet 5 and media outlet 6 may be contained within main body pipeline section 102, medium inlet 5 and medium
Export 6 intracavity inter-connection with main body pipeline section 102.In this embodiment, heating medium is steam (hot water), steam
(hot water) is entered by medium inlet 5 in the inner chamber of main body pipeline section 102, and the outer wall for starting to exchange heat pipe 2 is washed away, and heat is passed
The outer wall of heat exchanger tube 2 is passed, steam (hot water) is changed into condensed water (hot water after heat exchange) after completing the flowing of a shell side, condenses
Water (hot water after heat exchange) is flowed out via media outlet 6, and steam (hot water) heat release is completed, and is imitated because the heat exchanger tube 2 of heat absorption exchanges heat
The raising of rate, the temperature difference of heat supply end medium inlet 5 and media outlet 6 is reduced, reduces energy consumption, has saved the energy.
More specifically, setting first flange 104 on water inlet bobbin carriage 101, the both ends of main body pipeline section 102 set the second method respectively
Orchid 105 and the 3rd flange 106, set the 4th flange 107 on water outlet bobbin carriage 103, on the flange 106 of second flange 105 and the 3rd point
She Zhi not exchanged heat pore, and the both ends of heat exchanger tube 2 are respectively arranged in heat exchanging holes (not shown), first flange 104 and second
The bolt connection of flange 105, the 3rd flange 106 and the bolt connection of the 4th flange 107.Herein it should be noted that first flange 104
It is standard pipe flange with the 4th flange 107, the flange 106 of second flange 105 and the 3rd is not standard flange, different from standard
Be through hole, second flange 105 and the middle part of the 3rd flange 106 in the middle part of flange sets heat exchanger tube according to the size of heat exchanger tube 2, position
Hole, the one end of heat exchanger tube 2 are inserted in the heat exchange pore in second flange 105, and the other end of heat exchanger tube 2 is inserted on the 3rd flange 106
Exchange heat in pore, gasket is encrypted between first flange 104 and second flange 105 and is connected with, the 3rd flange 106 and the 4th
Gasket to be encrypted between flange 107 to be connected with, current enter in water inlet bobbin carriage 101, then into heat exchanger tube 2, second
While flange 105 plays support, positioning heat exchanger tube 2, additionally it is possible to prevent from entering main body pipeline section into the current in water bobbin carriage 101
In 102 inner chamber.
In addition, the quantity of heat exchanger tube 2 is multiple, there is gap between adjacent heat exchanger tube 2, heat exchanger tube 2 is equidistantly uniform,
According to the heat exchange pore in the quantity of heat exchanger tube 2 and the specific setting second flange 105 of distribution, the 3rd flange 106.
Meanwhile medium inlet 5 is arranged on main body pipeline section 102 and is arranged at master close to one end of water inlet 3, media outlet 6
Close to one end of delivery port 4 on body pipeline section 102, increase the distance between medium inlet 5 and media outlet 6 as much as possible, lengthen
The time that steam (hot water) contacts with the tube wall of heat exchanger tube 2, improve heat exchange efficiency.
At the same time, sewage draining exit 8 and exhaust outlet 9 are also set up on water outlet bobbin carriage 103.
In this embodiment, water inlet 3, delivery port 4, medium inlet 5 and media outlet 6 are respectively provided with connecting tube
10, adpting flange 11 is set in connecting tube 10, is easy to be connected with heat exchanger periphery corollary equipment, improves being applicable for heat exchanger
Property.
Further, steel bracket 701 includes supporting part 701a and insertion section 701b, and supporting part 701a is annular, support
Portion 701a outer surface abuts with the inwall of heat exchanger tube 2, and supporting part 701a inwall abuts with the outer ring of ceramic bearing 704, inserts
Entering portion 701b includes three supporting legs, and three supporting legs are in inversed taper platform shape, are easy to steel bracket 701 to insert in heat exchanger tube 2, steel bracket 701
Heat exchanger tube 2 is arranged at close to one end of water inlet bobbin carriage 101, when current enter heat exchanger tube 2, the spiral band 703 of tumbler 7 exists
Start to rotate under flow action.
Wherein, supporting part 701a inwalls set shoulder block and bearing position, and ceramic bearing 704 is arranged at bearing position, and shoulder block is set
In the side of bearing position, the opposite side of bearing position sets back-up ring, and bearing position and shoulder block are used to position ceramic bearing 704, ceramic shaft
Hold 704 high temperature resistances, corrosion-resistant, intensity is high, and by expand with heat and contract with cold influenceed it is smaller.
Rotary shaft 702 is detachably connected with spiral band 703, is easy to the cleaning and replacing of spiral band 703, rotary shaft
The shaft shoulder is set on 702, prevents rotary shaft 702 from being released in rotation process.
The pipe heat exchanger of the present invention, is provided with tumbler 7 in heat exchanger tube 2, tumbler 7 including steel bracket 701,
Rotary shaft 702 and spiral band 703, spiral band 703 are connected with rotary shaft 702, and rotary shaft 702 rotates with steel bracket 701 to be connected
Connect, ceramic bearing 704 is set between rotary shaft 702 and steel bracket 701, steel bracket 701 abuts with the inwall of heat exchanger tube 1.Current
Entered by water inlet 3 in heat exchanger tube 2, current rely on itself flow velocity, and driving spiral band 703 constantly rotates in heat exchanger tube 2, made pottery
The setting of porcelain bearing 704 causes the rotation more steady and smooth of spiral band 703, and spiral band 703 can accelerate in rotation process
The disturbance of current, makes current be changed into turbulent condition by laminar condition, breaks thermal stratification in heat exchanger tube 2, so as to strengthen current
With the heat transfer between the tube wall of heat exchanger tube 2, heat exchange efficiency is improved.At the same time, the fluid by disturbance can also reduce incrustation scale
In the attachment of the inside pipe wall of heat exchanger tube 2, attached incrustation scale as washing away for current and come off, reach automatic antiscale, scale removal
Purpose.Finally, pass through heat exchanger tube 2 by the current of enhanced heat exchange, flowed out by delivery port 4, supply heat user uses.
Specific case is applied in the present invention to be set forth the principle and embodiment of the present invention, above example
Illustrate to be only intended to help the method and its core concept for understanding the present invention；Meanwhile for those of ordinary skill in the art, according to
According to the thought of the present invention, in specific embodiments and applications there will be changes.In summary, this specification content
It should not be construed as limiting the invention.
Claims (10)
- A kind of 1. pipe heat exchanger, it is characterised in that：Including casing, heat exchanger tube is set in the casing, set on the casing Water inlet and delivery port, the both ends of the water inlet, the delivery port respectively with the heat exchanger tube are connected, on the casing also Medium inlet and media outlet, the intracavity inter-connection of the medium inlet and the media outlet with the casing, institute are set State and tumbler is set in heat exchanger tube；The tumbler includes steel bracket, rotary shaft and spiral band, and the spiral band is connected with the rotary shaft, described Rotary shaft is rotatablely connected with the steel bracket, and ceramic bearing, the steel bracket are set between the rotary shaft and the steel bracket Abutted with the inwall of the heat exchanger tube.
- 2. pipe heat exchanger according to claim 1, it is characterised in that：The casing is split-type structural, the casing Including the water inlet bobbin carriage, main body pipeline section and water outlet bobbin carriage being sequentially connected, the water inlet is arranged on the water inlet bobbin carriage, described Heat exchanger tube is arranged at the main body pipeline section, and the delivery port is arranged on the water outlet bobbin carriage, the medium inlet and is given an account of Matter outlet may be contained within the main body pipeline section.
- 3. pipe heat exchanger according to claim 2, it is characterised in that：First flange is set on the water inlet bobbin carriage, institute The both ends for stating main body pipeline section set second flange and the 3rd flange respectively, set the 4th flange on the water outlet bobbin carriage, and described the Heat exchange pore is set respectively on two flanges and the 3rd flange, and the both ends of the heat exchanger tube are respectively arranged at the heat exchanging holes Interior, the first flange and the second flange bolt connection, the 3rd flange connect with the 4th flange bolt.
- 4. pipe heat exchanger according to claim 3, it is characterised in that：The quantity of the heat exchanger tube is adjacent to be multiple There is gap, the heat exchanger tube is equidistantly uniform between the heat exchanger tube.
- 5. pipe heat exchanger according to claim 2, it is characterised in that：The medium inlet is arranged at the main body pipeline section One end of the upper close water inlet, the media outlet are arranged on the main body pipeline section close to one end of the delivery port.
- 6. pipe heat exchanger according to claim 2, it is characterised in that：Sewage draining exit and row are also set up on the water outlet bobbin carriage Gas port.
- 7. pipe heat exchanger according to claim 1, it is characterised in that：The water inlet, the delivery port, the medium Entrance and the media outlet are respectively provided with connecting tube, and adpting flange is set in the connecting tube.
- 8. pipe heat exchanger according to claim 1, it is characterised in that：The steel bracket includes supporting part and insertion section, The supporting part is annular, and the outer surface of the supporting part abuts with the inwall of the heat exchanger tube, the inwall of the supporting part It is interference fitted with the outer ring of the ceramic bearing, the insertion section is in inversed taper platform shape, and the steel bracket is arranged at the heat exchanger tube Close to one end of the water inlet bobbin carriage.
- 9. pipe heat exchanger according to claim 8, it is characterised in that：The supporting part inwall sets shoulder block and bearing Position, the ceramic bearing are arranged at the bearing position, and the shoulder block is arranged at the bearing position close to the one of the spiral band Side, the opposite side of the bearing position set back-up ring.
- 10. pipe heat exchanger according to claim 1, it is characterised in that：The rotary shaft and the spiral band are removable Connection is unloaded, the shaft shoulder is set in the rotary shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710968674.4A CN107606975A (en) | 2017-10-18 | 2017-10-18 | A kind of pipe heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710968674.4A CN107606975A (en) | 2017-10-18 | 2017-10-18 | A kind of pipe heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107606975A true CN107606975A (en) | 2018-01-19 |
Family
ID=61078793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710968674.4A Pending CN107606975A (en) | 2017-10-18 | 2017-10-18 | A kind of pipe heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107606975A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387090A (en) * | 2018-10-26 | 2019-02-26 | 唐山钢铁集团有限责任公司 | A kind of spiral condensing heat exchanger and heat-exchange method |
| CN110567310A (en) * | 2019-10-08 | 2019-12-13 | 广东石油化工学院 | Enhanced heat transfer method for shell-and-tube heat exchanger |
| CN111141162A (en) * | 2018-11-06 | 2020-05-12 | 浙江盾安热工科技有限公司 | Shell and tube heat exchanger |
| CN113617041A (en) * | 2021-07-21 | 2021-11-09 | 简庄春 | Reboiler for alcohol processing |
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| CN101726214A (en) * | 2008-10-24 | 2010-06-09 | 俞航 | Self-cleaning-capable spiral-band descaling device for condensers |
| CN203798245U (en) * | 2014-04-25 | 2014-08-27 | 南京高和环境工程有限公司 | Automatic descaling heat exchange system |
| CN204535479U (en) * | 2015-04-13 | 2015-08-05 | 李薇 | Efficient tubular heat exchanger |
| CN205049023U (en) * | 2015-09-26 | 2016-02-24 | 赵彦成 | Tubular heat exchange energy conservation device |
| CN207300003U (en) * | 2017-10-18 | 2018-05-01 | 张少杰 | A kind of pipe heat exchanger |
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2017
- 2017-10-18 CN CN201710968674.4A patent/CN107606975A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101726214A (en) * | 2008-10-24 | 2010-06-09 | 俞航 | Self-cleaning-capable spiral-band descaling device for condensers |
| CN203798245U (en) * | 2014-04-25 | 2014-08-27 | 南京高和环境工程有限公司 | Automatic descaling heat exchange system |
| CN204535479U (en) * | 2015-04-13 | 2015-08-05 | 李薇 | Efficient tubular heat exchanger |
| CN205049023U (en) * | 2015-09-26 | 2016-02-24 | 赵彦成 | Tubular heat exchange energy conservation device |
| CN207300003U (en) * | 2017-10-18 | 2018-05-01 | 张少杰 | A kind of pipe heat exchanger |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387090A (en) * | 2018-10-26 | 2019-02-26 | 唐山钢铁集团有限责任公司 | A kind of spiral condensing heat exchanger and heat-exchange method |
| CN111141162A (en) * | 2018-11-06 | 2020-05-12 | 浙江盾安热工科技有限公司 | Shell and tube heat exchanger |
| CN110567310A (en) * | 2019-10-08 | 2019-12-13 | 广东石油化工学院 | Enhanced heat transfer method for shell-and-tube heat exchanger |
| CN113617041A (en) * | 2021-07-21 | 2021-11-09 | 简庄春 | Reboiler for alcohol processing |
| CN113617041B (en) * | 2021-07-21 | 2022-11-29 | 邳州市鑫盛创业投资有限公司 | Reboiler for alcohol processing |
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