CN212645450U - Horizontal stacked multi-tube pass heat exchanger - Google Patents
Horizontal stacked multi-tube pass heat exchanger Download PDFInfo
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- CN212645450U CN212645450U CN202021035769.4U CN202021035769U CN212645450U CN 212645450 U CN212645450 U CN 212645450U CN 202021035769 U CN202021035769 U CN 202021035769U CN 212645450 U CN212645450 U CN 212645450U
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- 238000005192 partition Methods 0.000 claims abstract description 95
- 239000012530 fluid Substances 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
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Abstract
The utility model discloses a horizontal stack formula multitube journey heat exchanger. The heat exchanger comprises a first heat exchanger and a second heat exchanger, wherein a tube pass outlet tube of the first heat exchanger is connected with a tube pass inlet tube of the second heat exchanger, and a shell pass inlet tube of the first heat exchanger is connected with a shell pass outlet tube of the second heat exchanger. The two ends of the shell pass cylinder are provided with a left tube box and a right tube box, and the left tube box and the right tube box are respectively provided with a pass partition plate, so that the inner cavities of the left tube box and the right tube box are divided into a plurality of tube pass chambers which are not communicated with each other, and each tube pass chamber is respectively communicated with a corresponding heat exchange tube; the utility model discloses a heat exchanger collects two indirect heating equipment in an organic whole, and equipment is compacter relatively, reduces area, saves space, and the specially adapted heat transfer occasion is because of the limited occasion of spatial position. The inner cavities of the left tube box and the right tube box are respectively provided with a pass partition plate, all the tubes are equally divided into a plurality of groups, and fluid only passes through part of the tubes each time, so that the fluid passes through the tubes repeatedly in the tube bundle.
Description
Technical Field
The utility model belongs to the technical field of the heat exchanger, especially, relate to a shell and tube heat exchanger.
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 is a common heat exchange device, plays an important role in chemical industry, petroleum industry, power industry, food 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 utilization rate of energy is effectively improved by using a large number of heat exchangers, the cost of enterprises is reduced, and the benefit is improved. The heat exchangers are of various types and are classified into shell-and-tube heat exchangers, spiral plate heat exchangers, serpentine tube heat exchangers, plate heat exchangers, double-tube heat exchangers, and the like according to structural forms. The most common are shell and tube heat exchangers, including fixed tube and plate heat exchangers, floating head heat exchangers, U-tube heat exchangers, and packed box heat exchangers.
The shell-and-tube heat exchanger 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, has the advantages of simple structure, reliable and stable work, capability of being used at high temperature and high pressure, strong adaptability and the like, is the type which is most widely applied at present, and is widely applied to the industrial fields of petrochemical industry, electric power, environmental protection, refrigeration and the like. The shell-and-tube heat exchanger is composed of a shell, a heat transfer tube bundle, a tube plate, a baffle plate (baffle plate), a tube box or an end enclosure and the like. The shell is cylindrical, a tube bundle is arranged in the shell and is a main heat transfer element, and two ends of the tube bundle are fixed on the tube plate. One of the cold fluid and the hot fluid which carry out heat exchange flows in the heat exchange tube and is called tube pass fluid; the other flows outside the heat exchange tubes and is called shell-side fluid. The fluid is referred to as one tube pass per pass through the tube bundle and one shell pass per pass through the shell. The tube box and the heat exchange tube are internally provided with a medium for bearing tube pass pressure; the shell and the heat exchange tube are externally provided with another medium for bearing shell pass pressure; generally, the pressure and the medium temperature on the tube side and the shell side are different. In the prior art, when the intersection between the inlet and outlet temperatures of the shell-side fluid and the inlet and outlet temperatures of the tube-side fluid is serious, the temperature difference correction is large, and the logarithmic mean temperature difference is small, so that the heat exchange area required by sufficient heat exchange is large, the heat exchange area can be increased by adopting a method of increasing the volume of the heat exchanger, but the increase of the volume of the heat exchanger increases the production cost of the heat exchanger, greatly increases the floor area of equipment, and has high installation cost.
Disclosure of Invention
An object of the utility model is to overcome prior art's not enough, provide a horizontal stack formula multitube journey heat exchanger to solve the problem that current heat exchanger area is big, installation cost is high.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:
the utility model provides a horizontal stack formula multitube side heat exchanger, includes first heat exchanger, second heat exchanger, and first heat exchanger, second heat exchanger all include tube side portion, shell side portion, and tube side portion advances pipe, tube side exit tube, many heat exchange tubes including the tube side, and shell side portion advances pipe, shell side exit tube, its characterized in that including shell side barrel, shell side: the first heat exchanger and the second heat exchanger are arranged in an overlapped mode from bottom to top, and the first heat exchanger and the second heat exchanger are supported through saddles; the tube pass outlet pipe of the first heat exchanger is connected with the tube pass inlet pipe of the second heat exchanger, and the shell pass inlet pipe of the first heat exchanger is connected with the shell pass outlet pipe of the second heat exchanger.
In the horizontal stacked multi-tube-pass heat exchanger, the left end of the shell-pass cylinder is provided with a left tube plate with a plurality of tube holes, and the right end of the shell-pass cylinder is provided with a right tube plate with a plurality of tube holes; the pipe ends of the heat exchange pipes are penetrated and fixed in the pipe holes of the left pipe plate and the right pipe plate and fixed between the left pipe plate and the right pipe plate; a left tube box is arranged on the outer side of the left tube plate, a tube pass outlet tube is arranged at the top of the left tube box, a tube pass inlet tube is arranged at the bottom of the left tube box, a pass partition plate is arranged in the left tube box between the tube pass inlet tube and the tube pass outlet tube, the inner cavity of the left tube box is divided into a plurality of tube pass chambers which are not communicated with each other by the pass partition plate, and each tube pass chamber is communicated with the corresponding heat exchange tube on the left tube plate; and a right tube box is arranged on the outer side of the right tube plate.
In the horizontal stacked multi-tube pass heat exchanger, the pass partition plates in the inner cavity of the left tube box are three upper partition plates, middle partition plates and lower partition plates which are horizontally arranged, and the inner cavity of the left tube box is divided into a first chamber to a fourth chamber from bottom to top; the middle partition plate is horizontally arranged on a vertically symmetrical central plane of the left channel box, and the upper partition plate and the lower partition plate are symmetrically arranged on the upper part and the lower part of the middle partition plate; the number of the heat exchange tubes corresponding to the first cavity is equal to that of the heat exchange tubes corresponding to the fourth cavity; the number of the heat exchange tubes corresponding to the second chamber is equal to that of the heat exchange tubes corresponding to the third chamber and is 2 times that of the heat exchange tubes corresponding to the first chamber or the fourth chamber;
the inner cavity of the right tube box is also provided with a pass partition plate which comprises a first horizontal partition plate, a second horizontal partition plate, a third horizontal partition plate and a vertical partition plate, wherein the first horizontal partition plate is arranged on a central plane which is vertically symmetrical of the right tube box, one side of the first horizontal partition plate is connected with the wall surface of the inner cavity of the right tube box, and the other side of the first horizontal partition plate is connected with the middle part of the vertical partition plate; the second horizontal partition plate and the third horizontal partition plate are symmetrically arranged on the upper portion and the lower portion of the first horizontal partition plate and are flush with the upper partition plate and the lower partition plate of the left tube box, one ends of the second horizontal partition plate and the third horizontal partition plate are respectively connected to two ends of the vertical partition plate, the other ends of the second horizontal partition plate and the third horizontal partition plate are connected with the wall surface of the inner cavity of the right tube box, and the inner cavity of the right tube box is divided into three chambers.
In the horizontal stacked multi-tube pass heat exchanger, the end part of the left tube box is provided with a tube box flange, the left tube plate is connected to the left end of the shell pass cylinder, the outer diameter of the left tube plate is larger than that of the shell pass cylinder, the left tube plate protrudes out of the shell pass cylinder to form a cylinder flange, and a sealing gasket is arranged between the left tube box and the shell pass cylinder and is connected with the cylinder flange through the tube box flange;
the connecting structure of the right tube box and the shell pass cylinder is the same as that of the left tube box.
Furthermore, a plurality of baffle plates are arranged in the shell pass cylinder body along the length direction of the heat exchange tube.
Furthermore, the baffle plates are arch baffle plates with notches, the baffle plates are arranged perpendicular to the heat exchange tube, two adjacent arch baffle plates are connected with the side wall of the shell pass cylinder on different sides, and a channel for fluid medium is formed between the notches of the arch baffle plates.
In the horizontal stacked multi-tube pass heat exchanger, the lowest points of the shell pass cylinder body and the right tube box of the first heat exchanger are provided with a drain outlet; and the highest point of the right pipe box of the second heat exchanger is provided with an evacuation port.
Compared with the prior art, the utility model has the following characteristics and beneficial effect:
1. the utility model discloses a heat exchanger collects two indirect heating equipment in an organic whole, and equipment is compacter relatively, can not only reduce the support and the civil engineering structure between the equipment, reduces area, save material, and easy operation saves space, and specially adapted heat transfer occasion can also reduce examining of heat exchanger maintenance operation cycle because of the limited occasion of spatial position.
2. The heat exchange tube bundle is connected with a plurality of baffle plates arranged in the shell pass cylinder in a penetrating way, so that the functions of flow guiding and disturbance can be performed on the fluid of the shell pass, and the heat exchange efficiency is improved.
3. The inner cavities of the left tube box and the right tube box are respectively provided with a pass partition plate, all the tubes are equally divided into a plurality of groups, and fluid only passes through part of the tubes each time, so that the fluid passes through the tubes repeatedly in the tube bundle.
In a word, adopt the utility model discloses a heat exchanger can reduce the equipment volume effectively, removes the equipment room pipeline from, reduces the fluid resistance, simple structure, compactness, and is with low costs, and area is little.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a left side view schematically illustrating the present invention.
Fig. 3 is a schematic front view of a left tube box of the second heat exchanger of the present invention.
Fig. 4 is a schematic right view of the left tube box of the second heat exchanger of the present invention.
Fig. 5 is a schematic front view of a right tube box of the second heat exchanger according to the present invention.
Fig. 6 is a left side view schematically illustrating a right tube box of the second heat exchanger according to the present invention.
In the figure: 1-left channel box, 102-upper baffle plate, 101-middle baffle plate, 103-lower baffle plate,
2-a left tube plate, 3-a shell pass cylinder, 4-a baffle plate, 5-a heat exchange tube, 6-a pull rod,
7-right tube plate, 701-first horizontal baffle, 702-vertical baffle, 703-second horizontal baffle, 704-third horizontal baffle,
8-right tube box, 9-lower saddle, 10-upper saddle,
n1-a tube pass outlet pipe of the second heat exchanger, N2-a tube pass inlet pipe of the second heat exchanger, N3-a tube pass outlet pipe of the first heat exchanger, N4-a tube pass inlet pipe of the first heat exchanger, N5-a shell pass inlet pipe of the second heat exchanger, N6-a shell pass outlet pipe of the second heat exchanger, N7-a shell pass inlet pipe of the first heat exchanger, N8-a shell pass outlet pipe of the first heat exchanger, N9-a drain port, N10-a drain port, N11-a drain port,
a-a first chamber, B-a second chamber, C-a third chamber, D-a fourth chamber;
(D1+ C2) -upper chamber, (B2+ C1) -middle chamber, (a1+ B1) -lower chamber.
Detailed Description
The invention will now be further described by way of non-limiting examples with reference to the accompanying drawings.
Referring to fig. 1 to 6, a horizontal stacked multi-tube pass heat exchanger comprises a first heat exchanger and a second heat exchanger, wherein the first heat exchanger and the second heat exchanger are arranged in an overlapped mode from bottom to top, the second heat exchanger is supported and connected to the first heat exchanger through an upper saddle 10, and a lower saddle 9 is arranged at the lower part of the first heat exchanger and connected with an equipment foundation; the first heat exchanger and the second heat exchanger have basically the same structure and respectively comprise a tube pass part and a shell pass part, wherein the tube pass part comprises a tube pass inlet tube, a tube pass outlet tube and a plurality of heat exchange tubes 5, and the shell pass part comprises a shell pass cylinder 3, a shell pass inlet tube and a shell pass outlet tube;
the first heat exchanger and the second heat exchanger have basically the same structure, and are different in that the lowest points of the shell side cylinder 3 and the right tube box 8 of the first heat exchanger are respectively provided with a drain port N9 and a drain port N10, while the highest point of the right tube box 8 of the second heat exchanger is provided with a drain port N11, and the rest of the structures are the same, and the structure of the second heat exchanger is described only with reference to fig. 1; the left end of the shell-side cylinder 3 is provided with a left tube plate 2 with a plurality of tube holes, and the right end of the shell-side cylinder 3 is provided with a right tube plate 7 with a plurality of tube holes; the pipe ends of the heat exchange pipes 5 are arranged in the pipe holes of the left pipe plate 2 and the right pipe plate 7 in a penetrating way and fixed between the left pipe plate 2 and the right pipe plate 7; the outer side of the left tube plate 2 is provided with a left tube box 1, the top of the left tube box 1 is provided with a tube pass outlet tube N1, the bottom of the left tube box 1 is provided with a tube pass inlet tube N2, a pass partition plate is arranged in the left tube box 1 between the tube pass inlet tube N2 and the tube pass outlet tube N1, the pass partition plate is welded, sealed and fixed with the inner walls of the left tube box 1 and the shell pass cylinder 3, the pass partition plate is hermetically connected with the left tube plate 2, the inner cavity of the left tube box 1 is divided into a plurality of tube pass chambers which are not communicated with each other by the pass partition plate, and each tube pass chamber is respectively communicated with the corresponding heat exchange tube 5; and a right tube box 8 is arranged on the outer side of the right tube plate 7. If the right tube box 8 is not internally provided with a pass partition plate and the left tube box 1 is internally provided with a pass partition plate, the second heat exchanger is a 2-tube pass heat exchanger; if a pass partition plate is also arranged in the right tube box 8, the second heat exchanger is a heat exchanger with more than 3 tube passes.
A shell pass inlet pipe N5 of the second heat exchanger is arranged at the left end of the second heat exchanger and is close to a tube pass outlet pipe N1 of the second heat exchanger; a shell pass outlet pipe N6 of the second heat exchanger is arranged at the right end of the second heat exchanger, a shell pass inlet pipe N7 of the first heat exchanger is arranged at the right end of the first heat exchanger, and a shell pass outlet pipe N8 of the first heat exchanger is arranged at the left end of the first heat exchanger and is close to a tube pass inlet pipe N4 of the first heat exchanger; a tube side outlet pipe N3 of the first heat exchanger is connected with a tube side inlet pipe N2 of the second heat exchanger, and a shell side inlet pipe N7 of the first heat exchanger is connected with a shell side outlet pipe N6 of the second heat exchanger; thus, the shell side fluid and the tube side fluid realize reverse convection.
In this embodiment, the split partition plates in the inner cavity of the left tube box 1 are three upper partition plates 102, middle partition plates 101 and lower partition plates 103 which are horizontally arranged, and divide the inner cavity of the left tube box 1 into a first chamber a, a second chamber B, a third chamber C and a fourth chamber D from bottom to top; the middle partition plate 101 is horizontally arranged on a central plane which is symmetrical up and down of the left tube box 1, and the upper partition plate 102 and the lower partition plate 103 are symmetrically arranged on the upper part and the lower part of the middle partition plate 101; the number of the heat exchange tubes corresponding to the first cavity A is equal to that of the heat exchange tubes corresponding to the fourth cavity D; the number of the heat exchange tubes corresponding to the second chamber B is equal to that of the heat exchange tubes corresponding to the third chamber C, and is 2 times that of the heat exchange tubes corresponding to the first chamber A or the fourth chamber D;
a pass partition plate is also arranged in the inner cavity of the right tube box 8 and comprises a first horizontal partition plate 701, a second horizontal partition plate 703, a third horizontal partition plate 704 and a vertical partition plate 702, the first horizontal partition plate 701 is arranged on a central plane of the right tube box 8 which is vertically symmetrical, one side of the first horizontal partition plate 701 is connected with the wall surface of the inner cavity of the right tube box 8, and the other side of the first horizontal partition plate is connected with the middle part of the vertical partition plate 702; the second horizontal partition plate 703 and the third horizontal partition plate 704 are disposed at the upper portion and the lower portion of the first horizontal partition plate 701, and are flush with the upper partition plate 102 and the lower partition plate 103 of the left channel box 1, two ends of the vertical partition plate 702 are respectively connected to one end of the second horizontal partition plate 703 and one end of the third horizontal partition plate 704, the other ends of the second horizontal partition plate 703 and the third horizontal partition plate 704 are connected to a wall surface of an inner cavity of the right channel box 8, and the inner cavity of the right channel box 8 is divided into an upper cavity D1+ C2, a middle cavity B2+ C1, and a lower cavity a1+ B1.
The tube side fluid enters the first chamber A of the left tube box from a tube side inlet tube N2 of the second heat exchanger, and enters the A1 region of the lower chamber A1+ B1 of the right tube box through the heat exchange tubes arranged in the region, and the region is the 1 st tube side;
then, tube pass fluid enters the rear part of a second chamber B of the left tube box from a heat exchange tube corresponding to the B1 area of the lower chamber A1+ B1, and the tube pass fluid is a 2 nd tube pass;
then the tube side fluid enters the B2 area of the middle chamber B2+ C1 of the right tube box from the corresponding heat exchange tube at the front part of the second chamber B of the left tube box, and the tube side fluid is the 3 rd tube side;
then, the tube pass fluid enters the front part of a third chamber C of the left tube box from a heat exchange tube corresponding to the C1 area of the middle chamber B2+ C1, and the tube pass fluid is the 4 th tube pass;
then, the tube pass fluid enters a C2 area of an upper chamber C2+ D1 of the right tube box from a heat exchange tube corresponding to the rear part of the third chamber C of the left tube box, and the tube pass fluid is a 5 th tube pass;
then, the tube pass fluid enters a fourth cavity D of the left tube box from a heat exchange tube corresponding to the D1 area of the upper cavity C2+ D1, and the tube pass fluid is a 6 th tube pass;
finally, the tube side fluid flows out from a tube side outlet pipe N1 of the second heat exchanger.
For convenience in connection, the connection mode of the tube box and the shell pass cylinder body is as follows: the end part of the left tube box 1 is provided with a tube box flange, the left tube plate 2 is connected with the left end of the shell pass cylinder 3, the outer diameter of the left tube plate is larger than that of the shell pass cylinder 3, the left tube plate protrudes out of the shell pass cylinder 3 to form a cylinder flange, and a sealing gasket is arranged between the left tube box 1 and the shell pass cylinder 3 and is connected with the cylinder flange through the tube box flange;
the connection structure of the right tube box 8 and the shell pass cylinder 3 is the same as that of the left tube box 1, and the description is omitted.
In order to improve the heat exchange effect, a plurality of baffle plates 4 are arranged in the shell pass cylinder 3 along the length direction of the heat exchange tube 5, the baffle plates 4 are arch baffle plates with gaps and are arranged perpendicular to the heat exchange tube 5, two adjacent arch baffle plates are connected with the side walls of the shell pass cylinder 3 at different sides, and a channel of a shell pass fluid medium is formed between the gaps of the arch baffle plates.
The lowest points of the shell pass cylinder 3 and the right tube box 8 of the first heat exchanger are respectively provided with a drain outlet N9 and a drain outlet N10; the highest point of the right pipe box 8 of the second heat exchanger is provided with a drain N11.
The working process of the embodiment:
a heat flow medium (such as hot water) of the shell side enters the shell side cylinder 3 of the second heat exchanger from a shell side inlet pipe N5 and a water inlet and distribution pipe group of the second heat exchanger, flows around in the shell side and passes through a pipe bundle consisting of heat exchange pipes 5, exchanges heat with fluid in the heat exchange pipes 5, and flows out from a shell side outlet pipe N6 of the second heat exchanger; the shell side inlet pipe N7 of the first heat exchanger is connected with the shell side outlet pipe N6 of the second heat exchanger, a heat flow medium of the shell side further enters the shell side cylinder 3 of the first heat exchanger from the shell side inlet pipe N7 and the water inlet and distribution pipe group of the first heat exchanger, flows around in the shell side and passes through the pipe bundle formed by the heat exchange pipes 5 to exchange heat with fluid in the heat exchange pipes 5, and finally flows out from the shell side outlet pipe N8 of the first heat exchanger.
Cold fluid medium (such as tar) in the tube pass part firstly flows into a first chamber A of a left tube box 1 of the first heat exchanger from a tube pass inlet tube N4 of the first heat exchanger, then flows into a first tube pass consisting of heat exchange tubes 5 communicated with the first chamber A, and then enters a lower chamber A1+ B1 of a right tube box 8; the heat exchange tube of the 2 nd tube pass corresponding to the B1 area of the lower chamber A1+ B1 enters the rear part of the second chamber B of the left tube box 1; the heat exchange tube of the 3 rd tube pass corresponding to the front part of the second chamber B enters the B2 area of the middle chamber B2+ C1 of the right tube box 8; the heat exchange tube of the 4 th tube pass corresponding to the C1 area of the middle chamber B2+ C1 enters the front part of the third chamber C of the left tube box 1; the heat exchange tube of the 5 th tube pass corresponding to the rear part of the third chamber C enters the C2 area of the upper chamber C2+ D1 of the right tube box; the heat exchange tube of the 6 th tube pass corresponding to the D1 area of the upper chamber C2+ D1 enters the fourth chamber D of the left tube box 1; then flows out from a tube pass outlet pipe N3 of the first heat exchanger and enters a tube pass inlet pipe N2 of the second heat exchanger; the latter flow scheme is the same as in the first heat exchanger, and the final pass stream exits at the pass exit line N1 of the second heat exchanger. The tube-side fluid exchanges heat with the shell-side fluid as it flows through the heat exchange tubes 5.
The above-mentioned embodiments are only for understanding the present invention, and are not intended to limit the technical solutions of the present invention, and those skilled in the relevant art can make various changes or modifications based on the technical solutions described in the claims, and all equivalent changes or modifications should be covered by the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a horizontal stack formula multitube side heat exchanger, includes first heat exchanger, second heat exchanger, and first heat exchanger, second heat exchanger all include tube side portion, shell side portion, and tube side portion advances pipe, tube side exit tube, many heat exchange tubes including the tube side, and shell side portion advances pipe, shell side exit tube, its characterized in that including shell side barrel, shell side: the first heat exchanger and the second heat exchanger are arranged in an overlapped mode from bottom to top, and the first heat exchanger and the second heat exchanger are supported through saddles; the tube pass outlet pipe of the first heat exchanger is connected with the tube pass inlet pipe of the second heat exchanger, and the shell pass inlet pipe of the first heat exchanger is connected with the shell pass outlet pipe of the second heat exchanger.
2. The horizontal stacked multi-tube pass heat exchanger according to claim 1, characterized in that: the left end of the shell pass cylinder is provided with a left tube plate with a plurality of tube holes, and the right end of the shell pass cylinder is provided with a right tube plate with a plurality of tube holes; the pipe ends of the heat exchange pipes are penetrated and fixed in the pipe holes of the left pipe plate and the right pipe plate and fixed between the left pipe plate and the right pipe plate; a left tube box is arranged on the outer side of the left tube plate, a tube pass outlet tube is arranged at the top of the left tube box, a tube pass inlet tube is arranged at the bottom of the left tube box, a pass partition plate is arranged in the left tube box between the tube pass inlet tube and the tube pass outlet tube, the inner cavity of the left tube box is divided into a plurality of tube pass chambers which are not communicated with each other by the pass partition plate, and each tube pass chamber is communicated with the corresponding heat exchange tube on the left tube plate; and a right tube box is arranged on the outer side of the right tube plate.
3. The horizontal stacked multi-tube pass heat exchanger according to claim 2, characterized in that: the split-pass partition plates in the inner cavity of the left tube box are three upper partition plates, middle partition plates and lower partition plates which are horizontally arranged, and the inner cavity of the left tube box is divided into a first chamber to a fourth chamber from bottom to top; the middle partition plate is horizontally arranged on a vertically symmetrical central plane of the left channel box, and the upper partition plate and the lower partition plate are symmetrically arranged on the upper part and the lower part of the middle partition plate; the number of the heat exchange tubes corresponding to the first cavity is equal to that of the heat exchange tubes corresponding to the fourth cavity; the number of the heat exchange tubes corresponding to the second chamber is equal to that of the heat exchange tubes corresponding to the third chamber and is 2 times that of the heat exchange tubes corresponding to the first chamber or the fourth chamber;
the inner cavity of the right tube box is also provided with a pass partition plate which comprises a first horizontal partition plate, a second horizontal partition plate, a third horizontal partition plate and a vertical partition plate, wherein the first horizontal partition plate is arranged on a central plane which is vertically symmetrical of the right tube box, one side of the first horizontal partition plate is connected with the wall surface of the inner cavity of the right tube box, and the other side of the first horizontal partition plate is connected with the middle part of the vertical partition plate; the second horizontal partition plate and the third horizontal partition plate are symmetrically arranged on the upper portion and the lower portion of the first horizontal partition plate and are flush with the upper partition plate and the lower partition plate of the left tube box, one ends of the second horizontal partition plate and the third horizontal partition plate are respectively connected to two ends of the vertical partition plate, the other ends of the second horizontal partition plate and the third horizontal partition plate are connected with the wall surface of the inner cavity of the right tube box, and the inner cavity of the right tube box is divided into three chambers.
4. The horizontal stacked multi-tube pass heat exchanger according to claim 2 or 3, characterized in that: the left tube box is provided with a tube box flange at the end part, the left tube plate is connected to the left end of the shell pass cylinder, the outer diameter of the left tube plate is larger than that of the shell pass cylinder and protrudes out of the shell pass cylinder to form a cylinder flange, and a sealing gasket is arranged between the left tube box and the shell pass cylinder and is connected with the cylinder flange through the tube box flange;
the connecting structure of the right tube box and the shell pass cylinder is the same as that of the left tube box.
5. The horizontal stacked multi-tube pass heat exchanger according to claim 1, 2 or 3, characterized in that: and a plurality of baffle plates are arranged in the shell pass cylinder body along the length direction of the heat exchange tube.
6. The horizontal stacked multi-tube pass heat exchanger according to claim 5, characterized in that: the baffle plates are arch baffle plates with notches, the arch baffle plates are perpendicular to the heat exchange tube, two adjacent arch baffle plates are connected with the side walls of the shell pass cylinder body on different sides, and a fluid medium channel is formed between the notches of the arch baffle plates.
7. The horizontal stacked multi-tube pass heat exchanger according to claim 2 or 3, characterized in that: the lowest points of the shell pass cylinder body and the right tube box of the first heat exchanger are provided with a drain outlet; and the highest point of the right pipe box of the second heat exchanger is provided with an evacuation port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021035769.4U CN212645450U (en) | 2020-06-09 | 2020-06-09 | Horizontal stacked multi-tube pass heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021035769.4U CN212645450U (en) | 2020-06-09 | 2020-06-09 | Horizontal stacked multi-tube pass heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN212645450U true CN212645450U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021035769.4U Expired - Fee Related CN212645450U (en) | 2020-06-09 | 2020-06-09 | Horizontal stacked multi-tube pass heat exchanger |
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| CN (1) | CN212645450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508953A (en) * | 2022-03-11 | 2022-05-17 | 多氟多新材料股份有限公司 | High temperature resistant heat exchanger equipment |
-
2020
- 2020-06-09 CN CN202021035769.4U patent/CN212645450U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508953A (en) * | 2022-03-11 | 2022-05-17 | 多氟多新材料股份有限公司 | High temperature resistant heat exchanger equipment |
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