CN109186289B - Fixed plate heat exchanger - Google Patents
Fixed plate heat exchanger Download PDFInfo
- Publication number
- CN109186289B CN109186289B CN201810996936.2A CN201810996936A CN109186289B CN 109186289 B CN109186289 B CN 109186289B CN 201810996936 A CN201810996936 A CN 201810996936A CN 109186289 B CN109186289 B CN 109186289B
- Authority
- CN
- China
- Prior art keywords
- flange
- tube sheet
- fixed
- casing
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000000463 material Substances 0.000 claims abstract description 12
- 230000008676 import Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 7
- 238000003491 array Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F17/00—Removing ice or water from heat-exchange apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F17/00—Removing ice or water from heat-exchange apparatus
- F28F17/005—Means for draining condensates from heat exchangers, e.g. from evaporators
-
- 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
- F28F9/005—Other auxiliary members within casings, e.g. internal filling means or sealing means
-
- 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
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/06—Arrangements for sealing elements into header boxes or end plates by dismountable joints
- F28F9/12—Arrangements for sealing elements into header boxes or end plates by dismountable joints by flange-type connections
-
- 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
Abstract
The application discloses fixed plate heat exchanger, including the tube-shape casing of vertical setting and seal be fixed in last tub of case and lower tub of case both ends, both ends are equipped with the tube sheet respectively about the casing, be provided with in the casing with pull rod, suit in distance pipe on the pull rod, interval be fixed in a plurality of baffles on the distance pipe and run through the heat transfer tube of tube sheet and baffle, the both ends of heat transfer tube communicate respectively in go up tub of case and lower tub of case, lower tub of bottom is equipped with the material import, it is equipped with the material export to go up tub of top, both ends are equipped with steam inlet and condensate outlet respectively about the casing side, the casing is close to two the both ends are equipped with the atmospheric vent and the drainage mouth that the structure is the same respectively, atmospheric vent and drainage mouth are fixed in simultaneously the casing and corresponding tube sheet. This application simple structure, ingenious drain mouth and exhaust clean mouth structure are convenient for the clearance in the heat exchanger.
Description
Technical Field
The application relates to the technical field of heat exchange, in particular to a fixed plate heat exchanger.
Background
The heat exchanger is widely applied to industrial departments of chemical industry, chemical fertilizers, oil refining, power, buildings, food and the like, wherein the shell-and-tube heat exchanger is dominant in various heat exchanger products, the heat exchanger realizes heat exchange between a tube side and a medium in the shell side through a heat exchange tube, and a straight tube type heat medium tube bundle is arranged in the heat exchanger currently used.
Disclosure of Invention
The invention aims to provide a fixed plate heat exchanger which overcomes the defects in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the embodiment of the application discloses fixed plate heat exchanger, including the tube-shape casing of vertical setting and seal be fixed in last tub of case and lower tub of case both ends, both ends are fixedly connected with respectively on the casing and are gone up tube sheet and lower tube sheet, be provided with in the casing with the pull rod that tube sheet is connected down, suit in distance pipe on the pull rod, interval be fixed in a plurality of baffles on the distance pipe and run through go up tube sheet, lower tube sheet and the heat transfer pipe of baffle, the both ends of heat transfer pipe communicate respectively in last tub of case and lower tub of case, lower tub of bottom of the case portion is equipped with the material import, it is equipped with the material export to go up tub of top, both ends are equipped with steam inlet and condensate outlet respectively on the casing side, the casing is close to go up tube sheet and the both ends of tube sheet down are equipped with the same air vent and the clean mouth of arranging respectively, the air vent is fixed in simultaneously on the casing and the tube sheet is fixed in simultaneously.
Preferably, in the above-mentioned fixed plate heat exchanger, the purge port includes a connection pipe, a first flange and a flange cover, the first flange is fixed in one end of the connection pipe, which is away from the shell, and the flange cover is detachably fixed in one side end surface of the flange, which is away from the connection pipe, and a rib plate is connected between the outer wall of the connection pipe and the shell.
Preferably, in the above-mentioned fixed plate heat exchanger, a notch is machined on a side of the connecting pipe, which is close to the lower tube plate, and the notch is clamped on the circumferential surface and the top surface of the lower tube plate, and is welded and fixed, and one end of the connecting pipe, which is away from the first flange, is welded and fixed on the shell.
Preferably, in the above-mentioned fixed plate heat exchanger, the condensate outlet includes a second flange and an elbow, the elbow penetrates through the shell and is arranged in a sealing manner with the shell, the center of the second flange is at least 150mm higher than the top surface of the lower tube plate, and one end of the elbow, which is away from the second flange, is arranged with the bottom surface of the lower tube plate at intervals.
Preferably, in the above fixed plate heat exchanger, one end of the pull rod, which is close to the upper tube plate, is connected to the upper tube plate through threaded connection, and one end of the pull rod, which is away from the upper tube plate, is fixed to the corresponding baffle plate through a nut.
Preferably, in the above-mentioned fixed plate heat exchanger, the upper tube box is the same with the lower tube box structure, and sets up relatively, the upper tube plate is the same with the lower tube plate structure, and set up relatively, the upper tube box includes head, last barrel and the upper flange that from the top down connects gradually, go up through the stud fixed connection that a plurality of equidistant circumference arrays set up between flange and the upper tube plate, the upper flange is close to the concave first recess that is equipped with of one side terminal surface of upper tube plate, the upper tube plate is close to the protruding cylinder boss that stretches of one side terminal surface of upper flange, the cylinder boss concave be equipped with the second recess of first corresponding setting, be equipped with the sealing washer between first recess and the second recess.
Compared with the prior art, the invention has the advantages that: this novel fixed plate heat exchanger simple structure, compactness, each junction leakproofness is good, reduces energy loss, ingenious atmospheric vent and the clean mouth structure of arranging, clearance in the heat exchanger of being convenient for, simultaneously, the water condensation mouth is higher than down the tube sheet height for the heat that carries in the water condensation obtains further utilization.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view showing the structure of a fixed plate heat exchanger according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of welding of a connection pipe in an embodiment of the invention.
FIG. 3 is a schematic view showing the connection of tie rods to a lower tube sheet in an embodiment of the invention.
FIG. 4 is a schematic view showing the attachment of tie rods and baffles in an embodiment of the present invention.
FIG. 5 is a schematic illustration of the connection of the upper flange to the upper tube sheet in an embodiment of the invention.
FIG. 6 is a schematic diagram of the welding of the upper tube sheet to the shell in an embodiment of the invention.
Detailed Description
The following detailed description of the technical solutions according to the embodiments of the present invention will be given with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 6, the fixed plate heat exchanger in this embodiment includes a cylindrical shell 100 disposed vertically, and an upper tube box 200 and a lower tube box 300 fixed at two ends of the shell 100 in a sealing manner, wherein the upper tube plate 400 and the lower tube plate 500 are respectively and fixedly connected to the upper end and the lower end of the shell 100, a pull rod 600 connected to the lower tube plate 500, a distance tube 700 sleeved on the pull rod 600, a plurality of baffles 800 fixed on the distance tube 700 at intervals, and heat exchange tubes 900 penetrating the upper tube plate 400, the lower tube plate 500 and the baffles 800 are disposed in the shell 100, two ends of the heat exchange tubes 900 are respectively communicated with the upper tube box 200 and the lower tube box 300, a material inlet 310 is disposed at the bottom of the lower tube box 300, a material outlet 210 is disposed at the top of the upper tube box 200, a steam inlet 110 and a condensate outlet 120 are disposed at the upper end and the lower end of a side edge of the shell 100, a drain port 130 and a drain 140 having the same structure are disposed at two ends of the shell 100 near the upper tube plate 400 and the lower tube plate 500, the drain port 130 is simultaneously fixed to the shell 100 and the upper tube plate 400, and the drain 140 is simultaneously fixed to the lower tube plate 500.
In this technical scheme, the casing outer wall still is equipped with the fixed bolster to be equipped with the earth plate, still multiplicable buffer plate in the material import, the material flows from the material export through the heat transfer pipe, and steam flows from the steam inlet and flows into, with the interior material heat exchange of heat transfer pipe, flows by the congeal water export after the steam congeals water, this novel fixed plate heat exchanger simple structure, compactness, each junction leakproofness is good, reduces energy loss, ingenious emptying mouth and the clean mouth structure of arranging, the clearance in the heat exchanger of being convenient for, simultaneously, congeal water mouth is higher than down the tube sheet height for the heat that carries in the congeal water obtains further utilization.
Further, the drain port 140 includes a connecting tube 141, a first flange 142 and a flange cover 143, the first flange 142 is fixed at one end of the connecting tube 141 facing away from the housing 100, the flange cover 143 is detachably fixed at one side end surface of the flange facing away from the connecting tube 141, and a rib plate is connected between the outer wall of the connecting tube 141 and the housing 100.
Further, a gap is formed on one side of the adapter tube 141 near the lower tube plate 500, the gap is clamped on the circumferential surface and the top surface of the lower tube plate 500, and is welded and fixed, and one end of the adapter tube 141, which is far away from the first flange 142, is welded and fixed on the housing 100.
In the two technical schemes, the vent and the drain port are in a normally closed state, and the flange cover is taken down only when the inside of the shell needs to be cleaned, so that condensed water and steam can be completely drained.
Further, the condensate outlet 120 includes a second flange 121 and an elbow 122, the elbow penetrates through the housing 100 and is sealed with the housing 100, the center of the second flange is 190mm higher than the top surface of the lower tube plate 500, and one end of the elbow, which is away from the second flange, is spaced from the bottom surface of the lower tube plate 500.
In this technical scheme, the comdenstion water after the steam condensation still carries the heat, and direct discharge causes the waste easily, and second flange center is higher than down tube sheet top surface 190mm, and the comdenstion water still can carry out heat exchange, improves heat utilization ratio, and comdenstion water seal return bend avoids steam direct outflow simultaneously.
Further, one end of the tie rod 600 close to the upper tube plate 400 is connected to the upper tube plate 400 through a threaded connection, and one end of the tie rod 600 facing away from the upper tube plate 400 is fixed to the corresponding baffle plate 800 through a nut.
In the technical scheme, the baffle plates are fixed at equal intervals through the pull rods and the distance pipes, so that the turbulent flow effect of heat exchange fluid is enhanced, and the heat exchange efficiency is improved.
Further, the upper tube box 200 and the lower tube box 300 have the same structure and are oppositely arranged, the upper tube plate 400 and the lower tube plate 500 have the same structure and are oppositely arranged, the upper tube box 200 comprises an upper sealing head 220, an upper cylinder 230 and an upper flange 240 which are sequentially connected from top to bottom, the upper flange 240 and the upper tube plate 400 are fixedly connected through a plurality of stud bolts (not shown) which are arranged in an equidistant circumferential array, a first groove 241 is concavely arranged on one side end surface of the upper flange 240, which is close to the upper tube plate 400, a cylindrical boss 410 is convexly arranged on one side end surface of the upper tube plate 400, which is close to the upper flange 240, a second groove 411 which is correspondingly arranged with the first groove 241 is concavely arranged on the cylindrical boss 410, and a sealing ring 420 is arranged between the first groove 241 and the second groove 411.
In this technical scheme, set up the sealing washer and guarantee the leakproofness between upper tube case, lower tube case and the casing, avoid the heat loss, upper tube sheet and lower tube sheet weld respectively in the both ends of casing simultaneously, upper tube sheet and lower tube sheet are close to the terminal surface concave stress relief groove that is equipped with of casing.
To sum up, this novel fixed plate heat exchanger simple structure, compactness, each junction leakproofness is good, reduces energy loss, ingenious emptying mouth and the structure of arranging the clean mouth, clearance in the heat exchanger of being convenient for, simultaneously, the water condensation mouth is higher than down the tube sheet height for the heat that carries in the water condensation obtains further utilization.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely exemplary of the application and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the application and are intended to be comprehended within the scope of the application.
Claims (2)
1. The utility model provides a fixed plate heat exchanger, its characterized in that includes the tubular casing and the seal that set up vertically are fixed in last pipe case and lower pipe case at casing both ends, both ends are fixedly connected with respectively on the casing are gone up tube sheet and lower tube sheet, be provided with in the casing with the pull rod that lower tube sheet is connected, suit in spacing pipe on the pull rod, the interval is fixed in a plurality of baffles on the spacing pipe and run through last tube sheet, lower tube sheet and baffle's heat exchange tube, the both ends of heat exchange tube communicate respectively in last pipe case and lower pipe case, lower pipe case bottom is equipped with the material import, go up pipe case top and be equipped with the material export, both ends are equipped with steam inlet and condensate export respectively on the casing side are close to on tube sheet and the lower tube sheet be equipped with the drain hole and the drain hole that the structure is the same respectively, the drain hole is fixed in on the casing simultaneously, the drain hole is fixed in tube sheet simultaneously in the heat exchange tube on the casing and lower tube sheet, the drain hole is fixed in simultaneously in the flange is fixed in one side of flange 150mm, the flange is drawn off in between the flange top surface and the flange is fixed in between the flange, the flange is drawn off to the flange top surface is fixed in the flange, the flange is drawn off to the flange is fixed in the flange top surface, the flange is cut away from to the flange top surface is fixed in the flange, and is cut off to the flange is fixed in the flange top surface, and is fixed to one side of flange 150mm, the utility model discloses a pipe bending device, including first flange, lower tube sheet, upper tube sheet, lower tube sheet, return bend deviate from the one end of second flange with lower tube sheet bottom surface interval sets up, upper tube sheet and lower tube sheet structure are the same to set up relatively, upper tube sheet and lower tube sheet structure are the same, and set up relatively, upper tube sheet includes upper end socket, last barrel and the upper flange that from the top down connects gradually, go up through the stud fixed connection that a plurality of equidistant circumference arrays set up between flange and the upper tube sheet, the upper flange is close to one side terminal surface concave of upper tube sheet is equipped with first recess, the upper tube sheet is close to one side terminal surface protrusion of upper flange stretches there is the cylinder boss, the cylinder boss concave be equipped with the second recess that first recess corresponds the setting, be equipped with the sealing washer between first recess and the second recess.
2. The fixed plate heat exchanger of claim 1, wherein: one end of the pull rod, which is close to the upper tube plate, is connected with the upper tube plate through threaded connection, and one end of the pull rod, which is away from the upper tube plate, is fixed on the corresponding baffle plate through a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996936.2A CN109186289B (en) | 2018-08-29 | 2018-08-29 | Fixed plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996936.2A CN109186289B (en) | 2018-08-29 | 2018-08-29 | Fixed plate heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109186289A CN109186289A (en) | 2019-01-11 |
| CN109186289B true CN109186289B (en) | 2024-02-02 |
Family
ID=64916703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810996936.2A Active CN109186289B (en) | 2018-08-29 | 2018-08-29 | Fixed plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109186289B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688909B (en) * | 2022-02-28 | 2023-06-23 | 呼伦贝尔安泰热电有限责任公司满洲里热电厂 | Heating network heater |
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| CN207487468U (en) * | 2017-11-08 | 2018-06-12 | 上海宝尼化工机械有限公司 | A kind of polyalcohol preheater |
| CN209085392U (en) * | 2018-08-29 | 2019-07-09 | 张家港市科华化工装备制造有限公司 | Fixed sheet heat exchanger |
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| CN203421997U (en) * | 2013-06-19 | 2014-02-05 | 扬州万福压力容器有限公司 | Corrugated tube heat exchanger |
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| CN204165414U (en) * | 2014-05-22 | 2015-02-18 | 安徽东至广信农化有限公司 | Dimethoxym ethane tail gas condenser |
| CN204535445U (en) * | 2015-01-19 | 2015-08-05 | 宁波华东二氧化碳有限责任公司 | A kind of evaporative condenser |
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| CN204730734U (en) * | 2015-06-10 | 2015-10-28 | 泉州一露机械科技有限公司 | The segmented heat exchanger of temperature-controllable |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109186289A (en) | 2019-01-11 |
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