CN112344774B - Multi-piece combined shell and tube heat exchanger - Google Patents
Multi-piece combined shell and tube heat exchanger Download PDFInfo
- Publication number
- CN112344774B CN112344774B CN202011368948.4A CN202011368948A CN112344774B CN 112344774 B CN112344774 B CN 112344774B CN 202011368948 A CN202011368948 A CN 202011368948A CN 112344774 B CN112344774 B CN 112344774B
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- China
- Prior art keywords
- heat exchange
- exchange unit
- refrigerant
- plates
- split
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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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0081—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by a single plate-like element ; the conduits for one heat-exchange medium being integrated in one single plate-like element
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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
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
- F28F3/14—Elements constructed in the shape of a hollow panel, e.g. with channels by separating portions of a pair of joined sheets to form channels, e.g. by inflation
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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
- F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
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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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a multi-piece combined shell-and-tube heat exchanger, which comprises a cylinder body and end covers arranged at two ends of the cylinder body, wherein a refrigerant inlet connecting pipe and a refrigerant outlet connecting pipe are symmetrically arranged on one end cover, a water inlet is arranged at the upper part of the cylinder body, a water outlet is arranged at the lower part of the cylinder body, a heat exchange plate group is arranged in the cylinder body, the heat exchange plate group comprises a non-sealed protective cover, a plurality of split heat exchange units and a whole piece heat exchange unit, the split heat exchange units and the whole piece heat exchange unit are sequentially arranged in the protective cover, and the whole piece heat exchange unit is positioned at the tail end. According to the multi-plate combined shell-and-tube heat exchanger, the heat exchange plate group comprising the split heat exchange unit and the integral heat exchange unit is large in refrigerant distribution area, 2 semicircular heat exchange plates in the split heat exchange unit are good in convection, dead zones are not easy to generate, the heat exchange efficiency is high, the integral strength is good, the practicability is strong, and the heat exchange tube heat exchanger is worthy of popularization.
Description
Technical Field
The invention belongs to the field of heat exchanger manufacturing, and particularly relates to a multi-piece combined shell-and-tube heat exchanger.
Background
The shell-and-tube heat exchanger is also called a shell-and-tube heat exchanger, and is a dividing wall type heat exchanger which takes the wall surface of a tube bundle enclosed in a shell as a heat transfer surface, and the heat exchanger has a simpler structure and reliable operation. However, the existing shell-and-tube heat exchangers still have the problem of dead space and poor backflow, and for this reason, a better way to solve the problem is desired.
Disclosure of Invention
Aiming at the technical problems, the invention provides a multi-piece combined shell-and-tube heat exchanger.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
The multi-piece combined shell-and-tube heat exchanger comprises a barrel and end covers arranged at two ends of the barrel, wherein a refrigerant inlet connecting pipe and a refrigerant outlet connecting pipe are symmetrically arranged on one end cover, a water inlet is arranged at the upper part of the barrel, a water outlet is arranged at the lower part of the barrel, a heat exchange plate group is arranged in the barrel, the heat exchange plate group comprises a non-sealing protective cover, a plurality of split heat exchange units and a whole piece type heat exchange unit which are sequentially arranged in the protective cover, the whole piece type heat exchange unit is positioned at the tail end, the upper end of the protective cover is communicated with the water inlet on the barrel, the lower end of the heat exchange unit is communicated with the water outlet on the barrel, the split heat exchange unit is formed by symmetrically arranging 2 semicircular heat exchange plates which form a circle, the semicircular heat exchange plates are bent into a circle, the middle part of the semicircular heat exchange plates are not contacted with each other, the sealed edge of the semicircular heat exchange plates are fixedly connected with the protective cover, the whole piece type heat exchange units are of a structure with a cavity in the middle, the refrigerant inlet on the end cover is sequentially arranged in the protective cover, the refrigerant inlet is divided into two paths, the whole piece type heat exchange units are respectively communicated with the whole heat exchange units in a penetrating and penetrating mode with all the whole semicircular heat exchange units, and the whole heat exchange units are communicated with the whole heat exchange units in a penetrating mode, and the whole heat exchange units are communicated with the whole heat exchange units, and the whole heat exchange unit is communicated with the whole heat exchange unit is in a heat exchange tube is in a mode.
Preferably, the non-sealed protective cover is two protective plates which are symmetrically arranged, and a gap for water flow to pass through is arranged between two ends of the two protective plates.
Preferably, the sealing parts on the split heat exchange unit and the integral heat exchange unit are both in brazing structures.
Preferably, the refrigerant distributing pipe is contacted with the upper parts of the two semicircular heat exchange plates in the split type heat exchange unit, namely, the two water inlet positions on the circular heat exchange plate before bending the semicircular heat exchange plates, and the refrigerant return pipe is contacted with the lower parts of the two semicircular heat exchange plates in the split type heat exchange unit, namely, the two water outlet positions on the circular heat exchange plate before bending the semicircular heat exchange plates.
Preferably, the circular heat exchange plate is provided with a herringbone structure to increase the heat exchange area.
Due to the adoption of the technical scheme, the invention has the following technical effects:
According to the multi-plate combined shell-and-tube heat exchanger, through the heat exchange plate group comprising the split type heat exchange units and the integral type heat exchange units, refrigerant enters from the refrigerant inlet pipe, enters into the upper part of each split type heat exchange unit and the integral type heat exchange unit at the back through the refrigerant distributing pipe, and then flows back to the refrigerant outlet pipe from the integral type heat exchange unit at the back and the lower part of each split type heat exchange unit through the refrigerant return pipe, so that the refrigerant distribution area is large, the convection in 2 semicircular heat exchange plates in the split type heat exchange units is good, dead zones are not easy to generate, the heat exchange efficiency is high, the integral strength is good, the practicability is strong, and the popularization is worth.
Drawings
The invention will now be described by way of example and with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the external configuration of an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a heat exchanger plate assembly;
FIG. 3 is a disassembled view of FIG. 2;
fig. 4 is a cross-sectional view of the upper portion of fig. 2.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
Any feature disclosed in this specification may be replaced by alternative features serving the same or equivalent purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
The multi-piece combined shell-and-tube heat exchanger comprises a cylinder 1 and end covers 2 arranged at two ends of the cylinder 1, wherein a refrigerant inlet connecting pipe 3 and a refrigerant outlet connecting pipe 4 are symmetrically arranged on one end cover 2, a water inlet 5 is arranged at the upper part of the cylinder 1, a water outlet 6 is arranged at the lower part of the cylinder 1, a heat exchange plate group 7 is arranged in the cylinder 1, the heat exchange plate group 7 comprises a non-sealed protective cover 8 and a plurality of split heat exchange units and a integral heat exchange unit 9 which are sequentially arranged in the protective cover 8, the integral heat exchange unit 9 is positioned at the tail end, the upper end of the protective cover 8 is communicated with the water inlet 5 on the cylinder 1, the lower end of the integral heat exchange unit is communicated with the water outlet 6 on the cylinder 1, the split heat exchange unit is formed by 2 semicircular heat exchange plates 10 which are symmetrically arranged to form a circle, the semicircular heat exchange plates 10 are formed by bending round heat exchange plates, the middle parts are not contacted, the edges of the heat exchange plates are sealed are connected and fixed with the protective cover 8, and the integral heat exchange unit 9 is in a structure with a cavity and edge sealing; the refrigerant inlet connecting pipe 3 on the end cover 2 is connected with a refrigerant distributing pipe 11, the refrigerant distributing pipe 11 is divided into two paths, the refrigerant distributing pipe is respectively communicated with the upper parts of the two semicircular heat exchange plates 10 in all the split type heat exchange units in a penetrating and perforating communication mode, and finally communicated into the whole type heat exchange unit 9, the refrigerant outlet connecting pipe 4 on the end cover 2 is connected with a refrigerant return pipe 12, the refrigerant return pipe 12 is divided into two paths, the refrigerant return pipe 12 is respectively communicated with the lower parts of the two semicircular heat exchange plates 10 in all the split type heat exchange units in a penetrating and perforating communication mode at the penetrating part, and finally to the integral heat exchange unit 9.
The non-sealed protection cover 8 is two protection plates which are symmetrically arranged, and a gap for water flow to pass through is arranged between two ends of the two protection plates.
The sealing parts on the split heat exchange unit and the integral heat exchange unit 9 are all of brazing structures.
The refrigerant distributing pipe 11 contacts with the upper positions of the two semicircular heat exchange plates 10 in the split heat exchange unit, namely, the two water inlet positions on the circular heat exchange plate before bending the semicircular heat exchange plates 10, and the refrigerant return pipe 12 contacts with the lower positions of the two semicircular heat exchange plates 10 in the split heat exchange unit, namely, the two water outlet positions on the circular heat exchange plate before bending the semicircular heat exchange plates.
The circular heat exchange plate is provided with a herringbone structure to increase the heat exchange area.
According to the multi-plate combined shell-and-tube heat exchanger, through the heat exchange plate group comprising the split type heat exchange units and the integral type heat exchange units, refrigerant enters from the refrigerant inlet pipe, enters into the upper part of each split type heat exchange unit and the integral type heat exchange unit at the back through the refrigerant distributing pipe, and then flows back to the refrigerant outlet pipe from the integral type heat exchange unit at the back and the lower part of each split type heat exchange unit through the refrigerant return pipe, so that the refrigerant distribution area is large, the convection in 2 semicircular heat exchange plates in the split type heat exchange units is good, dead zones are not easy to generate, the heat exchange efficiency is high, the integral strength is good, the practicability is strong, and the popularization is worth.
The invention is not limited to the specific embodiments described above. The invention extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011368948.4A CN112344774B (en) | 2020-11-30 | 2020-11-30 | Multi-piece combined shell and tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011368948.4A CN112344774B (en) | 2020-11-30 | 2020-11-30 | Multi-piece combined shell and tube heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112344774A CN112344774A (en) | 2021-02-09 |
| CN112344774B true CN112344774B (en) | 2025-01-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011368948.4A Active CN112344774B (en) | 2020-11-30 | 2020-11-30 | Multi-piece combined shell and tube heat exchanger |
Country Status (1)
| Country | Link |
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| CN (1) | CN112344774B (en) |
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| CN213778726U (en) * | 2020-11-30 | 2021-07-23 | 江苏埃米诺装备制造有限公司 | Half-sheet type pipe shell heat exchanger |
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| DE10302708A1 (en) * | 2003-01-23 | 2004-07-29 | Behr Gmbh & Co. Kg | Device for exchanging heat used especially for cooling combustion air in IC engines of vehicles has flow units arranged in a two-part profiled housing |
| EP2667136B1 (en) * | 2011-01-18 | 2020-04-01 | Mitsubishi Electric Corporation | Stacked heat exchanger and heat pump system having the same installed therein |
| CN202018225U (en) * | 2011-04-22 | 2011-10-26 | 辽宁远东换热设备制造有限公司 | Circular plate case type heat exchanger |
| CN202101584U (en) * | 2011-04-22 | 2012-01-04 | 中国石油化工股份有限公司 | Shell-and-tube heat exchanger |
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| CN103196315A (en) * | 2013-04-08 | 2013-07-10 | 中国船舶重工集团公司第七一一研究所 | Three-fluid plate-shell heat exchanger with temperature compensation plate |
| CN203259037U (en) * | 2013-04-08 | 2013-10-30 | 中国船舶重工集团公司第七一一研究所 | Three-flow-strand plate-shell type heat exchanger with temperature compensation plates |
| JP5913245B2 (en) * | 2013-09-24 | 2016-04-27 | 株式会社フィルテック | Laminating fluid heat exchanger |
| CN203869560U (en) * | 2014-04-30 | 2014-10-08 | 江苏巴威工程技术股份有限公司 | Round brazed plate type heat exchanger |
| CN104089503A (en) * | 2014-07-31 | 2014-10-08 | 哈尔滨工程大学 | Plate-shell heat exchanger with oval corrugated plates |
| CN204478885U (en) * | 2014-12-15 | 2015-07-15 | 洛阳瑞昌石油化工设备有限公司 | A kind of tubular arc heat exchange plate type heat-exchanger rig |
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- 2020-11-30 CN CN202011368948.4A patent/CN112344774B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204665987U (en) * | 2015-05-18 | 2015-09-23 | 上海理工大学 | Lamella heat exchanger |
| CN213778726U (en) * | 2020-11-30 | 2021-07-23 | 江苏埃米诺装备制造有限公司 | Half-sheet type pipe shell heat exchanger |
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| Publication number | Publication date |
|---|---|
| CN112344774A (en) | 2021-02-09 |
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