CN110822952A - Four-tube-pass heat exchanger arranged in inclined mode - Google Patents
Four-tube-pass heat exchanger arranged in inclined mode Download PDFInfo
- Publication number
- CN110822952A CN110822952A CN201911221459.3A CN201911221459A CN110822952A CN 110822952 A CN110822952 A CN 110822952A CN 201911221459 A CN201911221459 A CN 201911221459A CN 110822952 A CN110822952 A CN 110822952A
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- Prior art keywords
- tube
- shell
- heat exchanger
- support
- box
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/1615—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits being inside a casing and extending at an angle to the longitudinal axis of the casing; the conduits crossing the conduit for the other heat exchange medium
- F28D7/1623—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits being inside a casing and extending at an angle to the longitudinal axis of the casing; the conduits crossing the conduit for the other heat exchange medium with particular pattern of flow of the heat exchange media, e.g. change of flow direction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/24—Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
- F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
- F28F9/266—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators by screw-type connections
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a four-tube-pass heat exchanger which is obliquely arranged, wherein a left tube box is arranged at one end of a shell, a right tube box is arranged at the other end of the shell, a first tube plate is arranged between the left tube box and the shell, a second tube plate is arranged between the right tube box and the shell, tube bundles are arranged in the shell in parallel, a baffle plate is vertically arranged in the shell, a cold fluid inlet is arranged above the right tube box, a cold fluid outlet is arranged below the right tube box, a first partition plate and a second partition plate are arranged in the right tube box, a third partition plate is arranged in the left tube box, a hot fluid inlet is arranged on one side above the shell, a scavenging port is arranged on the other side above the shell, a hot fluid outlet is arranged on one side below the shell, a support. According to the invention, the first support and the second support with different heights are arranged below the heat exchanger, so that the heat exchanger is inclined towards the fluid flowing direction, and the local resistance of the inlet and the outlet of the heat exchanger is reduced, thereby reducing the power consumption and avoiding unnecessary heat loss.
Description
Technical Field
The invention relates to the technical field of heat exchangers, in particular to a four-tube-pass heat exchanger which is obliquely arranged.
Background
The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called as a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food and medicine industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied. The tubular heat exchanger mainly comprises a shell, a tube bundle, a tube plate and a seal head, wherein the shell is mostly circular, the interior of the shell is provided with the parallel tube bundle, and two ends of the tube bundle are fixed on the tube plate. The heat exchange is carried out by flowing in the tube bundle, and the stroke of the heat exchange is called as a tube pass; the wall surface of the tube bundle is the heat transfer surface. To increase the thermal coefficient of the fluid outside the tubes, a number of transverse baffles are usually installed in the housing. The baffle plate can not only prevent short circuit of fluid and increase fluid speed, but also force fluid to cross flow through the tube bundle for many times according to the specified path, so that the turbulence degree is greatly increased. Each time the fluid passes through the tube bundle within the tube is referred to as a tube pass. The prior four-tube pass heat exchanger has large volume and low heat exchange efficiency, so the improvement is needed. When the tube pass heat exchanger is improved, the problem of serious eddy current loss of tube pass inlets and outlets of the four-tube pass heat exchanger is found, so that the electricity consumption is increased inefficiently due to large local resistance, and the whole tube box participates in heat exchange due to uniform temperature of the whole tube box, and unnecessary heat loss is increased.
Disclosure of Invention
The invention aims to provide a four-tube-pass heat exchanger which is obliquely arranged, wherein supports with different heights are arranged below the heat exchanger, so that the heat exchanger is obliquely arranged, and the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a four-tube-pass heat exchanger arranged in an inclined manner comprises a shell, a tube bundle, a baffle plate, a first tube plate, a second tube plate, a left tube box, a right tube box, a cold fluid inlet, a cold fluid outlet, a hot fluid inlet, a hot fluid outlet, a ventilation opening, a support, an expansion joint, a first partition plate, a second partition plate and a third partition plate, wherein the shell is cylindrical, the left tube box is arranged at one end of the shell, the right tube box is arranged at the other end of the shell, the first tube plate is arranged between the left tube box and the shell, the second tube plate is arranged between the right tube box and the shell, the tube bundle is arranged in the shell in parallel, one end of the tube bundle is fixed on the first tube plate, the other end of the tube bundle is fixed on the second tube plate, the baffle plate is vertically arranged in the shell, the cold fluid inlet is arranged above the, the improved heat exchanger comprises a shell, and is characterized in that a first partition plate and a second partition plate are arranged in a right tube box, a third partition plate is arranged in a left tube box, a hot fluid inlet is formed in one side above the shell, a ventilation opening is formed in the other side above the shell, a hot fluid outlet is formed in one side below the shell, a support is arranged below the shell and comprises a first support and a second support, the height of the first support is greater than that of the second support, and an expansion joint is arranged in the middle of the shell.
Preferably, the first support is obliquely arranged below the shell, and the second support is vertically arranged below the shell.
Preferably, the first support and the second support are provided with foot pads below.
Preferably, the first partition plate, the second partition plate and the third partition plate are horizontally arranged in the right channel box and the left channel box, and the first partition plate is arranged above the second partition plate.
Preferably, the expansion joint is fixedly installed in the middle of the shell through an expansion bolt.
Preferably, the upper end and the lower end of the outer side of the left tube box are further provided with handles, and the handles are of a trapezoidal structure.
Preferably, the transfer ports are in the same vertical line as the hot fluid outlet.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, the first support and the second support with different heights are arranged below the four-tube-pass heat exchanger, so that the heat exchanger is inclined towards the flowing direction of the fluid, the local resistance of the inlet and the outlet of the heat exchanger is reduced, the power consumption is reduced, and unnecessary heat loss is avoided.
(2) According to the invention, the support is arranged below the heat exchanger, so that the medium flowing state of the inlet and outlet of the four tube passes is improved, the fluid and the self gravity inertia flow in the heat exchanger, and the heat loss is reduced.
(3) According to the invention, the foot pads are arranged below the first support and the second support, so that the stability of the equipment is improved.
(4) According to the invention, the first tube plate and the second tube plate are arranged at the two ends of the shell, so that the space is increased, and the whole heat exchange efficiency is improved by times compared with the traditional tube type heat exchanger.
(5) According to the invention, the left tube box and the right tube box are arranged at the two ends of the shell, so that the thermal resistances at the two sides of the tube pass can be reduced, the total heat exchange coefficient of the heat exchanger is improved, the processing area of the heat exchanger can be reduced by the same heat exchange amount, and the volume of processing equipment is saved.
(6) The invention can avoid cross contamination by completely isolating the tube bundle and the shell.
(7) According to the invention, the handle is arranged on the outer side of the left tube box, so that the left tube box can be detached easily by virtue of the handle when the left tube box needs to be detached.
Drawings
FIG. 1 is an overall structure of a four-tube-pass heat exchanger;
fig. 2 is a left side view of a four-pass heat exchanger.
In the figure: 1-a shell; 2-a tube bundle; 3-baffle plate; 4-a first tubesheet; 5-a second tube sheet; 6-left tube box; 7-a right tube box; 8-cold fluid inlet; 9-cold fluid outlet; 10-hot fluid inlet; 11-hot fluid outlet; 12-a ventilation port; 13-a support; 14-an expansion joint; 15-a first separator; 16-a second separator; 17-a third separator; 18-a first support; 19-a second support; 20-foot pad; 21-a handle; 22-expansion bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a four-tube-pass heat exchanger which is obliquely arranged comprises a shell 1, a tube bundle 2, a baffle plate 3, a first tube plate 4, a second tube plate 5, a left tube box 6, a right tube box 7, a cold fluid inlet 8, a cold fluid outlet 9, a hot fluid inlet 10, a hot fluid outlet 11, a ventilation port 12, a support 13, an expansion joint 14, a first partition plate 15, a second partition plate 16 and a third partition plate 17, wherein the shell 1 is cylindrical, the left tube box 6 is arranged at one end of the shell 1, the right tube box 7 is arranged at the other end of the shell 1, the heat resistances at two sides of the tube pass can be reduced and the total heat exchange coefficient of the heat exchanger is improved by arranging the left tube box 6 and the right tube box 7 at two ends of the shell 1, the processing area of the heat exchanger can be reduced by the same heat exchange amount, the volume of processing equipment is saved, the first tube plate 4 is arranged between the left tube box 6 and the shell 1, the second, one end of a tube bundle 2 is fixed on a first tube plate 4, the other end of the tube bundle 2 is fixed on a second tube plate 5, the tube bundle 2 and a shell 1 are completely isolated, so that cross contamination can be avoided, the first tube plate 4 and the second tube plate 5 are arranged at two ends of the shell 1, so that space is increased, the whole heat exchange efficiency is doubled for a traditional tube type heat exchanger, a baffle plate 3 is vertically arranged in the shell 1, a cold fluid inlet 8 is arranged above a right tube box 7, a cold fluid outlet 9 is arranged below the right tube box 7, a first partition plate 15 and a second partition plate 16 are arranged in the right tube box 7, a third partition plate 17 is arranged in the left tube box 6, the first partition plate 15, the second partition plate 16 and the third partition plate 17 are horizontally arranged in the right tube box 7 and the left tube box 6, the first partition plate 15 is arranged above the second partition plate 16, a hot fluid inlet 10 is arranged at one side above the shell 1, the scavenge port 12 and the hot fluid outlet 11 are on the same vertical line, one side of the lower part of the shell 1 is provided with the hot fluid outlet 11, the support 13 is arranged below the shell 1, the support 13 comprises a first support 18 and a second support 19, the height of the first support 18 is greater than that of the second support 19, the first support 18 is obliquely arranged below the shell 1, the second support 19 is vertically arranged below the shell 1, the lower parts of the first support 18 and the second support 19 are respectively provided with a foot pad 20, the first support 18 and the second support 19 with different heights are arranged below the four-tube-pass heat exchanger, so that the heat exchanger inclines towards the direction of fluid flow, the local resistance of the inlet and the outlet of the heat exchanger is reduced, the power consumption is reduced, the unnecessary heat loss is avoided, the stability of the equipment is increased by arranging the foot pads 20 below the first support 1813 and the second support 1913, the middle part of the shell 1 is provided with the expansion joint 14, and the expansion joint 14 is fixedly arranged in the middle part of, the handle 21 is further arranged at the upper end and the lower end of the outer side of the left tube box 6, the handle 21 is of a trapezoidal structure, the handle 21 is arranged on the outer side of the left tube box 6, and when the left tube box 6 needs to be detached, the left tube box can be detached more easily through the handle 21.
Application method
Cold fluid enters the right tube box 7 from a cold fluid inlet 8 above the shell 1, hot fluid enters the shell from a hot fluid inlet 10 above the shell 1, the cold fluid flows in the tube bundle 2 and exchanges heat through the hot fluid outside the tube bundle 2, the cold fluid enters the left tube box 6 and then enters the tube bundles 2 for repeated flow heat exchange and then flows out from a cold fluid outlet 9, wherein the tube bundle 2 is completely isolated from the shell 1 to avoid cross contamination, the heat exchanger is in an inclined state through a first support 18 and a second support 19 below the shell 1, and heat loss of the cold fluid during entrance and exit is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a four tube side heat exchangers of slope setting which characterized in that: the heat exchanger comprises a shell, a tube bundle, a baffle plate, a first tube plate, a second tube plate, a left tube box, a right tube box, a cold fluid inlet, a cold fluid outlet, a hot fluid inlet, a hot fluid outlet, a scavenging port, a support, an expansion joint, a first partition plate, a second partition plate and a third partition plate, wherein the shell is cylindrical, the left tube box is arranged at one end of the shell, the right tube box is arranged at the other end of the shell, the first tube plate is arranged between the left tube box and the shell, the second tube plate is arranged between the right tube box and the shell, the tube bundle is arranged in the shell in parallel, one end of the tube bundle is fixed on the first tube plate, the other end of the tube bundle is fixed on the second tube plate, the baffle plate is vertically arranged in the shell, the cold fluid inlet is arranged above the right tube box, the cold fluid outlet is arranged below the, the novel heat exchanger comprises a shell, and is characterized in that a third partition plate is arranged in the left tube box, a hot fluid inlet is formed in one side above the shell, a ventilation port is formed in the other side above the shell, a hot fluid outlet is formed in one side below the shell, a support is arranged below the shell and comprises a first support and a second support, the height of the first support is larger than that of the second support, and an expansion joint is arranged in the middle of the shell.
2. An obliquely arranged four-tube-pass heat exchanger according to claim 1, characterized in that: the first support is obliquely arranged below the shell, and the second support is vertically arranged below the shell.
3. An obliquely arranged four-tube-pass heat exchanger according to claim 2, characterized in that: the first support and the second support are provided with foot pads below.
4. An obliquely arranged four-tube-pass heat exchanger according to claim 1, characterized in that: the first partition plate, the second partition plate and the third partition plate are horizontally arranged in the right pipe box and the left pipe box, and the first partition plate is arranged above the second partition plate.
5. An obliquely arranged four-tube-pass heat exchanger according to claim 1, characterized in that: the expansion joint is fixedly arranged in the middle of the shell through an expansion bolt.
6. An obliquely arranged four-tube-pass heat exchanger according to claim 1, characterized in that: the upper end and the lower end of the outer side of the left tube box are further provided with handles, and the handles are of a trapezoidal structure.
7. An obliquely arranged four-tube-pass heat exchanger according to claim 1, characterized in that: the air transfer ports are in the same vertical line with the hot fluid outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911221459.3A CN110822952A (en) | 2019-12-03 | 2019-12-03 | Four-tube-pass heat exchanger arranged in inclined mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911221459.3A CN110822952A (en) | 2019-12-03 | 2019-12-03 | Four-tube-pass heat exchanger arranged in inclined mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110822952A true CN110822952A (en) | 2020-02-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911221459.3A Pending CN110822952A (en) | 2019-12-03 | 2019-12-03 | Four-tube-pass heat exchanger arranged in inclined mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110822952A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112357036A (en) * | 2020-10-28 | 2021-02-12 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Ship outboard conformal cooler and ship cooling system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0436595A (en) * | 1990-06-01 | 1992-02-06 | Mitsubishi Heavy Ind Ltd | Multipipe heat exchanger |
| CN2384188Y (en) * | 1999-08-12 | 2000-06-21 | 江苏双良锅炉有限公司 | Reducing flow area heat exchanger |
| RU2282808C2 (en) * | 2001-11-30 | 2006-08-27 | Сергей Григорьевич Рогачев | Shell-and-tube heat exchanger |
| CN203824383U (en) * | 2014-05-14 | 2014-09-10 | 山东北辰机电设备股份有限公司 | Multi-path pure countercurrent shell-and-tube heat exchanger |
| CN204830944U (en) * | 2015-06-23 | 2015-12-02 | 新乡市金鑫科技有限责任公司 | Tilting heat exchanger |
| CN205403546U (en) * | 2016-03-02 | 2016-07-27 | 天津爱尔普科技发展有限公司 | Anticorrosive pressure -resisting pipe shell type heat exchanger |
| CN110394142A (en) * | 2019-07-26 | 2019-11-01 | 昌和化学新材料(江苏）有限公司 | An a kind of benzene reaction kettle of the esterification condenser |
-
2019
- 2019-12-03 CN CN201911221459.3A patent/CN110822952A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0436595A (en) * | 1990-06-01 | 1992-02-06 | Mitsubishi Heavy Ind Ltd | Multipipe heat exchanger |
| CN2384188Y (en) * | 1999-08-12 | 2000-06-21 | 江苏双良锅炉有限公司 | Reducing flow area heat exchanger |
| RU2282808C2 (en) * | 2001-11-30 | 2006-08-27 | Сергей Григорьевич Рогачев | Shell-and-tube heat exchanger |
| CN203824383U (en) * | 2014-05-14 | 2014-09-10 | 山东北辰机电设备股份有限公司 | Multi-path pure countercurrent shell-and-tube heat exchanger |
| CN204830944U (en) * | 2015-06-23 | 2015-12-02 | 新乡市金鑫科技有限责任公司 | Tilting heat exchanger |
| CN205403546U (en) * | 2016-03-02 | 2016-07-27 | 天津爱尔普科技发展有限公司 | Anticorrosive pressure -resisting pipe shell type heat exchanger |
| CN110394142A (en) * | 2019-07-26 | 2019-11-01 | 昌和化学新材料(江苏）有限公司 | An a kind of benzene reaction kettle of the esterification condenser |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112357036A (en) * | 2020-10-28 | 2021-02-12 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Ship outboard conformal cooler and ship cooling system |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200221 |
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| WD01 | Invention patent application deemed withdrawn after publication |