CN215003079U - High-efficiency energy-saving heat exchanger - Google Patents
High-efficiency energy-saving heat exchanger Download PDFInfo
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- CN215003079U CN215003079U CN202121145626.3U CN202121145626U CN215003079U CN 215003079 U CN215003079 U CN 215003079U CN 202121145626 U CN202121145626 U CN 202121145626U CN 215003079 U CN215003079 U CN 215003079U
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Abstract
The utility model relates to a high-efficiency energy-saving heat exchanger, which comprises a shell, a material distributing mechanism and a heat exchanging mechanism, wherein the material distributing mechanism and the heat exchanging mechanism are positioned in the shell and are arranged up and down; the distribution mechanism is positioned below the feed inlet and comprises a primary distribution groove and a secondary distribution groove which are arranged up and down, a downcomer is fixed at the bottom of the secondary distribution groove, and the downcomer is vertically arranged and communicated with the secondary distribution groove; the heat exchange mechanism comprises a heat exchange cavity formed by enclosing an upper sealing plate, a lower sealing plate and a shell, a plurality of first partition plates and a plurality of second partition plates which are arranged in layers from top to bottom are fixedly arranged in the heat exchange cavity, a plurality of vertical heat exchange tubes are arranged in the heat exchange cavity and penetrate through the first partition plates and the second partition plates, the upper end of each heat exchange tube extends to the upper sealing plate, and the lower end of each heat exchange tube extends to the lower sealing plate. The heat exchange efficiency of the heat exchanger and the service life of the heat exchange tube are improved.
Description
Technical Field
The utility model relates to a heat transfer technical field especially relates to energy-efficient heat exchanger.
Background
The heat exchanger is an energy-saving device for transferring heat between materials between two or more fluids with different temperatures, and is used for transferring heat from the fluid with higher temperature to the fluid with lower temperature to make the temperature of the fluid reach the index specified by the process so as to meet the requirements of process conditions, and is also one of main devices for improving the utilization rate of energy.
The shell-and-tube heat exchanger is one of the heat exchangers and mainly comprises a shell, a tube bundle, a tube plate and the like, wherein the shell is internally provided with the parallel tube bundle or the spiral tube, and two ends of the tube bundle are fixed on the tube plate. The problem of feed unevenness exists easily in each tube bank of present shell and tube heat exchanger, and the liquid in each tube bank distributes unevenly promptly, leads to heat exchange efficiency to reduce on the one hand, and on the other hand makes the tube bank outward appearance be heated evenly, seriously influences heat exchanger tube bank's life.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's shortcoming, provide energy-efficient heat exchanger.
The utility model is realized by the following technical proposal, provides a high-efficiency energy-saving heat exchanger, which comprises a shell, a material distributing mechanism and a heat exchanging mechanism which are positioned in the shell and are arranged up and down, and a feed inlet is arranged at the top of the shell; the distribution mechanism is positioned below the feed inlet and comprises a primary distribution groove and a secondary distribution groove which are arranged up and down, a downcomer is fixed at the bottom of the secondary distribution groove, and the downcomer is communicated with the secondary distribution groove and is vertically arranged; the heat exchange mechanism comprises a heat exchange cavity formed by enclosing an upper sealing plate, a lower sealing plate and a shell, a plurality of first partition plates and a plurality of second partition plates which are arranged in layers from top to bottom are fixedly arranged in the heat exchange cavity, a plurality of vertical heat exchange tubes are arranged in the heat exchange cavity and penetrate through the first partition plates and the second partition plates, the upper end of each heat exchange tube extends to the upper sealing plate, and the lower end of each heat exchange tube extends to the lower sealing plate.
Preferably, the upper end of each heat exchange tube is fixedly provided with a liquid distribution head.
Preferably, each liquid distribution head is uniformly provided with a plurality of liquid leakage holes.
Preferably, the liquid distribution head is positioned higher than the lower end of the downcomer. The liquid distribution head is used for enabling liquid to uniformly enter each heat exchange tube.
Preferably, the bottom of the primary distributing groove is uniformly provided with distributing holes.
Preferably, the downcomers are distributed at the bottom of the secondary distribution trough uniformly.
Preferably, the first partition plate and the second partition plate are fixed on the inner wall of the shell in an opposite way, and the first partition plate and the second partition plate are alternately arranged at intervals.
Preferably, the upper part of the heat exchange cavity is provided with a heat exchange medium inlet, and the lower part of the heat exchange cavity is provided with a heat exchange medium outlet.
Preferably, the heat exchange medium inlet and the heat exchange medium outlet are arranged oppositely.
Preferably, the bottom of the shell is provided with a discharge hole.
The liquid that needs to be heated gets into from casing top feed inlet, and liquid gets into second grade distributing trough again after the preliminary cloth of one-level distributing trough earlier, flows through each downcomer, and the even distribution of liquid is in last shrouding top, treats that the liquid level height is higher than cloth liquid head after, and liquid is even, stable overflow cloth liquid head gets into in each heat exchange tube. Heating medium (steam or heat conducting oil) enters from the heat exchange medium inlet, fully exchanges heat with liquid in the heat exchange pipe through the first partition plate and the second partition plate which are arranged layer by layer, the liquid in the heat exchange pipe enters the vaporization tower after being heated, and the heating medium and the liquid in the heat exchange pipe exchange heat and then flow out through the heat exchange medium outlet.
The utility model has the advantages that:
1. the utility model discloses the structure setting of cloth mechanism makes in liquid can even, stable overflow cloth liquid head enters into the heat exchange tube, makes the liquid flow in every heat exchange tube equal, has improved the heat exchange efficiency of heat exchanger and the life of heat exchange tube like this.
2. The utility model discloses compare with the heat exchanger that does not establish one-level distributing chute and second grade distributing chute with the tradition, heat exchange efficiency has improved 25-30%, because liquid evenly distributed in the heat exchange tube, the heat exchange tube outward appearance is heated evenly, and the life of heat exchange tube is about 3 years than traditional heat exchanger.
Drawings
Fig. 1 is a schematic structural view of the present invention;
shown in the figure:
1. the device comprises a shell, 2, a feeding hole, 3, a discharging hole, 4, a primary distributing groove, 5, a secondary distributing groove, 6, a downcomer, 7, an upper sealing plate, 8, a lower sealing plate, 9, a heat exchange cavity, 10, a first partition plate, 11, a second partition plate, 12, a heat exchange medium inlet, 13, a heat exchange medium outlet, 14, a heat exchange tube, 15, a liquid distributing head, 16, a first supporting column, 17 and a second supporting column.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in figure 1, the utility model discloses a casing 1, be located the inside cloth mechanism and the heat transfer mechanism that set up from top to bottom of casing 1, set up feed inlet 2 at casing 1 top, casing 1 bottom sets up discharge gate 3.
The distributing mechanism is located below the feed inlet 2, and the distributing mechanism comprises a primary distributing groove 4 and a secondary distributing groove 5 which are arranged from top to bottom, wherein distributing holes are uniformly distributed at the bottom of the primary distributing groove 4, down-flow pipes 6 are fixed at the bottom of the secondary distributing groove 5, the down-flow pipes 6 are communicated with the secondary distributing groove 5 and are vertically arranged, the down-flow pipes 6 which are vertically arranged are fixed at the bottom of the secondary distributing groove 5 and are communicated with the secondary distributing groove 5, and the down-flow pipes 6 are distributed at the bottom of the secondary distributing groove 5 in a plurality of uniform manners. The materials are primarily distributed through the distribution holes at the bottom of the primary distribution groove 4, then enter the secondary distribution groove 5, and are fully distributed through the downcomer 6 of the secondary distribution groove 5.
The heat exchange mechanism comprises a heat exchange cavity 9 which is formed by enclosing an upper sealing plate 7, a lower sealing plate 8 and a shell 1, a plurality of first partition plates 10 and a plurality of second partition plates 11 which are vertically arranged in layers are fixedly arranged in the heat exchange cavity 9 and used for guiding a heat exchange medium, the first partition plates 10 and the second partition plates 11 are oppositely fixed on the inner wall of the shell 1, and the first partition plates 10 and the second partition plates 11 are alternately arranged at intervals. The upper part of the heat exchange cavity 9 is provided with a heat exchange medium inlet 12, the lower part is provided with a heat exchange medium outlet 13, and the heat exchange medium inlet 12 and the heat exchange medium outlet 13 are oppositely arranged.
A plurality of vertical heat exchange tubes 14 are arranged in the heat exchange cavity 9, the heat exchange tubes 14 penetrate through the first partition plates 10 and the second partition plates 11, the upper ends of the heat exchange tubes 14 extend to the upper portion of the upper sealing plate 7, and the lower ends of the heat exchange tubes 14 extend to the lower portion of the lower sealing plate 8. The upper end of each heat exchange tube 14 is fixedly provided with a liquid distribution head 15, each liquid distribution head 15 is uniformly provided with a plurality of liquid leakage holes, and the liquid distribution heads 15 enable liquid to uniformly enter the heat exchange tubes 14. The liquid distribution head 15 is positioned higher than the lower end of the downcomer 6.
The primary distributing chute 4 is fixedly connected with the secondary distributing chute 5 through a first supporting column 16, and the secondary distributing chute 5 is fixedly connected with the upper sealing plate 7 through a second supporting column 17.
Liquid to be heated enters from a feed inlet 2 at the top of the shell 1, the liquid firstly passes through a primary distributing groove 4 for preliminary distribution and then enters a secondary distributing groove 5, the liquid flows out through each downcomer 6, the liquid is uniformly distributed above an upper sealing plate 7, and after the liquid level is higher than a liquid distributing head 15, the liquid uniformly and stably overflows the liquid distributing head 15 and enters each heat exchange tube 14. Heating medium (steam or heat conducting oil) enters from a heat exchange medium inlet 12, fully exchanges heat with liquid in the heat exchange tube 14 through a first partition plate 10 and a second partition plate 11 which are arranged layer by layer, the liquid in the heat exchange tube 14 enters the vaporization tower after being heated, and the heating medium exchanges heat with the liquid in the heat exchange tube 14 and then flows out through a heat exchange medium outlet 13.
The utility model discloses the structure setting of cloth mechanism makes in liquid can be even, stable overflow cloth liquid head 15 enters into heat exchange tube 14, makes the liquid flow in every heat exchange tube 14 equal, has improved the heat exchange efficiency of heat exchanger and heat exchange tube 14's life like this. The utility model discloses do not establish the heat exchanger of one-level distributing groove 4 and second grade distributing groove 5 with the tradition and compare, heat exchange efficiency has improved 25-30%, because liquid evenly distributed in the heat exchange tube 14, the heat exchange tube 14 outward appearance is heated evenly, and the life of heat exchange tube 14 is about 3 years than traditional heat exchanger.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (8)
1. High-efficient energy-conserving heat exchanger, its characterized in that: the heat exchanger comprises a shell, a material distribution mechanism and a heat exchange mechanism, wherein the material distribution mechanism and the heat exchange mechanism are positioned in the shell and are arranged up and down; the distribution mechanism is positioned below the feed inlet and comprises a primary distribution groove and a secondary distribution groove which are arranged up and down, a downcomer is fixed at the bottom of the secondary distribution groove, and the downcomer is vertically arranged and communicated with the secondary distribution groove; the heat exchange mechanism comprises a heat exchange cavity formed by enclosing an upper sealing plate, a lower sealing plate and a shell, a plurality of first partition plates and a plurality of second partition plates which are arranged in layers from top to bottom are fixedly arranged in the heat exchange cavity, a plurality of vertical heat exchange tubes are arranged in the heat exchange cavity and penetrate through the first partition plates and the second partition plates, the upper end of each heat exchange tube extends to the upper sealing plate, and the lower end of each heat exchange tube extends to the lower sealing plate.
2. The energy efficient heat exchanger of claim 1, wherein: the upper end of each heat exchange tube is fixedly provided with a liquid distribution head.
3. The energy efficient heat exchanger of claim 1, wherein: and material distribution holes are uniformly distributed at the bottom of the primary material distribution groove.
4. The energy efficient heat exchanger of claim 1, wherein: the downcomers are uniformly distributed at the bottom of the secondary distribution groove.
5. The energy efficient heat exchanger of claim 1, wherein: the first partition plate and the second partition plate are oppositely fixed on the inner wall of the shell, and the first partition plate and the second partition plate are alternately arranged at intervals.
6. The energy efficient heat exchanger of claim 1, wherein: the upper part of the heat exchange cavity is provided with a heat exchange medium inlet, and the lower part of the heat exchange cavity is provided with a heat exchange medium outlet.
7. The energy efficient heat exchanger of claim 6, wherein: the heat exchange medium inlet and the heat exchange medium outlet are oppositely arranged.
8. The energy efficient heat exchanger of claim 1, wherein: the bottom of the shell is provided with a discharge hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121145626.3U CN215003079U (en) | 2021-05-26 | 2021-05-26 | High-efficiency energy-saving heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121145626.3U CN215003079U (en) | 2021-05-26 | 2021-05-26 | High-efficiency energy-saving heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN215003079U true CN215003079U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121145626.3U Active CN215003079U (en) | 2021-05-26 | 2021-05-26 | High-efficiency energy-saving heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116608701A (en) * | 2023-05-19 | 2023-08-18 | 江苏东九重工股份有限公司 | Sensible heat waste heat recovery device and method for molten calcium carbide |
-
2021
- 2021-05-26 CN CN202121145626.3U patent/CN215003079U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116608701A (en) * | 2023-05-19 | 2023-08-18 | 江苏东九重工股份有限公司 | Sensible heat waste heat recovery device and method for molten calcium carbide |
| CN116608701B (en) * | 2023-05-19 | 2023-12-01 | 江苏东九重工股份有限公司 | Sensible heat waste heat recovery device and method for molten calcium carbide |
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