CN220982053U - Pipeline heat exchange system - Google Patents
Pipeline heat exchange system Download PDFInfo
- Publication number
- CN220982053U CN220982053U CN202322620957.3U CN202322620957U CN220982053U CN 220982053 U CN220982053 U CN 220982053U CN 202322620957 U CN202322620957 U CN 202322620957U CN 220982053 U CN220982053 U CN 220982053U
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- pipe
- mixed flow
- mixed
- heat exchange
- exchange system
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- 239000002245 particle Substances 0.000 claims abstract description 51
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 238000004140 cleaning Methods 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 11
- 239000012530 fluid Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 229910052593 corundum Inorganic materials 0.000 description 3
- 239000010431 corundum Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910021418 black silicon Inorganic materials 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a pipeline heat exchange system, and belongs to the technical field of pipeline cooling; it comprises the following steps: the air particle impact assembly comprises a mixed flow shell, an air charging pipe for charging air into the mixed flow shell and a feeding pipe for adding abrasive particles into the mixed flow shell are arranged on the mixed flow shell, and the water inlet pipe is communicated with the mixed flow shell through a valve; the filtering component comprises a filtering piece, the water outlet pipe is communicated with the input end of the filtering piece through a valve, and the output end of the filtering piece is communicated with the mixed flow shell through a pipeline so as to be used for inputting the cleaning liquid separated from the scale and abrasive particles into the mixed flow shell again. The utility model can add abrasive particles into the cleaning liquid to thoroughly remove scale attached to the inner wall of the pipeline.
Description
Technical Field
The utility model relates to the technical field of pipeline cooling, in particular to a pipeline heat exchange system.
Background
In the running process of the engine, the generator, the boiler or the steam turbine and other equipment, a great amount of waste heat is often generated, and the related equipment must be cooled by using a heat exchanger.
Fresh water with lower temperature is introduced into one pipeline of the heat exchanger to absorb heat released from related equipment. However, after the pipe is used for a long time, particularly in the north, the hardness of water is high. Scale is easily condensed in the pipeline inside the heat exchanger, and the scale not only affects the heat exchange efficiency of cooling water in the pipeline, but also easily causes bursting of the pipeline.
However, the pipeline in the heat exchanger is often arranged in a zigzag winding way, so that the scale in the pipeline is difficult to clean effectively.
Disclosure of utility model
In view of the foregoing, it is necessary to provide a heat exchange system for a pipeline to solve the problem that the existing heat exchanger is difficult to clean the scale on the inner wall.
The utility model provides a pipeline heat exchange system, which comprises a heat exchanger, a water inlet pipe, a water outlet pipe, a gas particle impact assembly and a filtering assembly, wherein the water inlet pipe and the water outlet pipe are respectively connected with the heat exchanger; the filter assembly comprises a filter element, the water outlet pipe is communicated with the input end of the filter element through a valve, and the output end of the filter element is communicated with the mixed flow shell through a pipeline so as to be used for inputting the cleaning liquid separated from the scale and abrasive particles into the mixed flow shell again.
Further, one end of the feeding pipe is communicated with the mixed flow shell, a storage tank for storing abrasive particles is arranged at the other end of the feeding pipe, and an opening of the storage tank is communicated with the feeding pipe.
Further, a solid powder flow controller is arranged at the opening of the feeding pipe.
Further, one end of the air charging pipe is communicated with the mixed flow shell, and the other end of the air charging pipe is communicated with the air compressor.
Further, the inflation tube is provided with a plurality of inflation tubes, the inflation tube and the interfaces of the mixed flow shell are arranged in a relatively inclined mode, and the interfaces are arranged around the mixed flow shell at equal intervals.
Further, an injection pipe is arranged in the mixed flow shell, one end of the injection pipe is fixedly connected with the mixed flow shell and is communicated with the output end of the filtering piece through a pipeline, and the other end of the injection pipe is arranged at the communicating position of the mixed flow shell and the water inlet pipe.
Further, the device further comprises a pressurizing assembly, the pressurizing assembly comprises a liquid storage tank and a pressurizing pump, the output end of the filtering piece is communicated with the liquid storage tank through a pipeline, a pressurizing pipe is arranged between the liquid storage tank and the injection pipe, and the pressurizing pump is arranged on the pressurizing pipe.
Further, the valve is a three-way valve.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The utility model relates to a pipeline heat exchange system, which comprises an air particle impact assembly and a filtering assembly, wherein the air particle impact assembly comprises a mixed flow shell, an air charging pipe and a charging pipe are arranged on the mixed flow shell, the air charging pipe can charge air in the mixed flow shell, the charging pipe adds abrasive particles into the mixed flow shell, the abrasive particles and cleaning liquid in the mixed flow shell are mixed to form a mixture, the air charging pipe provides high-pressure gas into the mixture to promote uniform mixing of the abrasive particles and the cleaning liquid, so that the abrasive particles are uniformly distributed in the cleaning liquid, the abrasive particles increase kinetic energy of the cleaning liquid, impact and collide with scale attached to the inner wall of a pipeline, and separation of the scale is promoted. Meanwhile, bubbles can be added in the cleaning fluid through the inflation tube, so that supercavitation phenomenon of the cleaning fluid in the pipeline occurs, the resistance of the cleaning fluid in the pipeline is reduced, and the fluidity of the cleaning fluid in the pipeline is better.
(2) The utility model relates to a pipeline heat exchange system, which is provided with a filtering component, wherein the filtering component comprises a filtering piece, a water outlet pipe is communicated with the input end of the filtering piece through a valve, cleaning liquid mixed with scale slag is discharged from a heat exchanger, enters the filtering piece, is filtered in the filtering piece, separates out the scale slag and abrasive particles, and is finally re-input into a mixed flow shell, so that the recycling of the cleaning liquid is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic illustration of the piping connection of the gas impingement assembly and the filter assembly of the present utility model;
FIG. 3 is a schematic perspective view of a mixed flow housing according to the present utility model;
FIG. 4 is a schematic view of the internal structure of the mixed flow housing of the present utility model;
in the figure, a heat exchanger 100, a water inlet pipe 110 and a water outlet pipe 120;
The air particle impact assembly 200, the mixed flow shell 210, the air charging pipe 211, the interface 211a, the feeding pipe 212, the storage tank 220, the air compressor 230 and the injection pipe 240;
A filter assembly 300, a filter 310;
a pressurizing assembly 400, a liquid storage tank 410 and a pressurizing pump 420.
Detailed Description
The following detailed description of preferred embodiments of the utility model is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the utility model, are used to explain the principles of the utility model and are not intended to limit the scope of the utility model.
A pipeline heat exchange system in the embodiment relates to the technical field of pipeline cooling, and is characterized in that liquid flushing systems are arranged at two ends of a pipeline of a heat exchanger 100, high-pressure air and abrasive particles are injected into a cleaning solution, the high-pressure air forms bubbles in the cleaning solution, the bubbles and the abrasive particles act together to thoroughly remove scale attached to the inner wall of the pipeline, and the scale is discharged out of the heat exchanger 100 along with liquid flow in the pipeline.
Referring to fig. 1 to 4, a pipeline heat exchange system in the present embodiment includes a heat exchanger 100, and a water inlet pipe 110 and a water outlet pipe 120 respectively connected to the heat exchanger 100, wherein in the heat exchanger 100, the water inlet pipe 110 and the water outlet pipe 120 are simultaneously connected to a pipeline for conveying cooling water, and the other pipeline disposed in the heat exchanger 100 is used for conveying heat conduction oil, and the heat conduction oil is communicated with a heating device.
The pipeline heat exchange system further comprises an air particle impact assembly 200 and a filtering assembly 300, the air particle impact assembly 200 comprises a mixed flow shell 210, an air charging pipe 211 and a charging pipe 212 are arranged on the mixed flow shell 210, the air charging pipe 211 can charge air in the mixed flow shell 210, the charging pipe 212 adds abrasive particles into the mixed flow shell 210, the abrasive particles are mixed with cleaning liquid in the mixed flow shell 210 to form a mixture, the air charging pipe 211 provides high-pressure gas into the mixture to promote uniform mixing of the abrasive particles and the cleaning liquid, the abrasive particles are uniformly distributed in the cleaning liquid, the abrasive particles increase kinetic energy of the cleaning liquid, impact scale attached to the inner wall of a pipeline, and separation of the scale is promoted. Meanwhile, bubbles can be added in the cleaning fluid by the air charging pipe 211, so that supercavitation phenomenon of the cleaning fluid in the pipeline occurs, the resistance of the cleaning fluid in the pipeline is reduced, and the fluidity of the cleaning fluid in the pipeline is better. The water inlet pipe 110 is communicated with the mixed flow shell 210 through a valve, mixed liquid in the mixed flow shell 210 can enter the heat exchanger 100 from the water inlet pipe 110, the mixed liquid mixed with bubbles and abrasive particles is input into the heat exchanger 100, the bubbles and the abrasive particles cooperate with each other, the kinetic energy of the abrasive particles can be enhanced, and the crushing capacity of the abrasive particles is improved.
The filter assembly 300 includes a filter 310, the water outlet pipe 120 is communicated with an input end of the filter 310 through a valve, the cleaning solution mixed with the scale slag is discharged from the heat exchanger 100, enters the filter 310, is filtered in the filter 310, separates the scale slag and abrasive particles, and is finally re-input into the mixed flow shell 210, so that the recycling of the cleaning solution is realized.
It should be noted that: the mixed flow housing 210 is specifically a spherical housing, and the spherical housing can be uniformly stressed, so that a part which can not interfere with the flow of the liquid can not be formed in the spherical housing, and the mixture and the flow of the cleaning liquid, the bubbles and the abrasive particles can be conveniently mixed.
The abrasive particles are one or any combination of brown corundum abrasive particles, white corundum abrasive particles, monocrystalline corundum abrasive particles and black silicon carbide abrasive particles.
In some embodiments, referring to fig. 2, one end of the feeding tube 212 is communicated with the mixed flow housing 210, the other end of the feeding tube 212 is provided with a storage tank 220 for storing abrasive particles, an opening of the storage tank 220 is communicated with the feeding tube 212, and the storage tank 220 can continuously add the abrasive into the mixed flow housing 210 by means of the feeding tube 212, so that the proportion of the abrasive in the cleaning solution is maintained, and the scale removal capability of the cleaning solution is enhanced.
As a further embodiment, a solid powder flow controller is disposed at the opening of the storage tank 220, and the solid powder flow controller can control the amount and speed of the abrasive particles input into the mixed flow housing 210 from the storage tank 220, so as to ensure that the cleaning solution has a certain mass fraction of abrasive particles.
The invention discloses a solid powder flow controller, which belongs to the prior art, and discloses related technologies in the invention of a publication number CN94241826.3 (pneumatic conveying powder flow control valve) and a publication number CN201177764Y (powder material flow control device), and can control the conveying speed and quantity of powder or particles.
In some embodiments, referring to fig. 2 and 3, one end of the air charging tube 211 is in communication with the mixed flow housing 210, the other end of the air charging tube 211 is in communication with the air compressor 230, the air compressor 230 can compress air and input high-pressure air into the mixed flow housing 210, and the abrasive particles in the mixed flow housing 210 are stirred to increase bubbles in the cleaning liquid.
As a further embodiment, the plurality of air charging pipes 211 are provided, the air charging pipes 211 and the interfaces 211a of the mixed flow shell 210 are arranged in a relatively inclined manner, the inclined angle is 15 degrees to 60 degrees relative to the radial direction of the mixed flow shell 210, the plurality of interfaces 211a are arranged around the mixed flow shell 210 at equal intervals, and the air ejected from the air charging pipes 211 can generate a rotating liquid flow in the mixed flow shell 210, so that the generation of bubbles is further promoted, and the mixing of the cleaning liquid and abrasive particles is promoted.
In some embodiments, referring to fig. 3 and 4, an injection pipe 240 is disposed in the mixed flow housing 210, one end of the injection pipe 240 is fixedly connected with the mixed flow housing and is communicated with the output end of the filter 310 through a pipeline, and the other end of the injection pipe 240 is disposed opposite to the communication position between the mixed flow housing 210 and the water inlet pipe 110. The jet pipe 240 can compress the liquid flow, jet the liquid flow at a faster flow rate, and simultaneously, the cleaning liquid is added into the mixed flow shell 210, and the flow rate of the mixed flow shell 210 at the connection position with the water inlet pipe 110 is accelerated, so that the flow rate at the connection position is faster, the pressure is smaller, and the mixed liquid in the mixed flow shell 210 is accelerated to jet from the connection position under the action of the pressure difference, so that the mixed liquid is promoted to enter the water inlet pipe 110.
In some embodiments, the pipeline heat exchange system further comprises a pressurizing assembly 400, wherein the pressurizing assembly 400 comprises a liquid storage tank 410 and a pressurizing pump 420, the output end of the filtering piece 310 is communicated with the liquid storage tank 410 through a pipeline, and filtered cleaning liquid is firstly input to the bottom of the liquid storage tank 410 for standing and sedimentation. A pressurizing pipe is arranged between the liquid storage tank 410 and the spraying pipe 240, and the pressurizing pipe is arranged at a position where the liquid level of the liquid storage tank 410 is higher, and extracts the upper layer liquid into the mixed flow shell 210. The pressurizing pump 420 is disposed on the pressurizing pipe, and the pressurizing pump 420 is specifically a pressurizing pump, and can pressurize the cleaning solution and then input the pressurized cleaning solution into the mixed flow housing 210, so as to promote uniform mixing of various substances in the mixed flow housing 210.
It should be noted that: the filter 310 is specifically a filter box with a filter screen, and solid matters in the cleaning solution are separated by the filter screen and are concentrated in the filter box.
It should be noted that, the valves disposed on the water inlet pipe 110 and the water outlet pipe 120 are three-way valves, and when the heat exchanger 100 works normally, the three-way valves are respectively communicated with the heat exchanger 100 and the water inlet pipe 110 and the water outlet pipe 120, so as to realize normal heat exchange of the heat exchanger 100.
After the heat exchanger 100 is used for a period of time, the three-way ring is switched, the water inlet pipe 110 and the water outlet pipe 120 are respectively communicated with the air particle impact assembly 200 and the filter assembly 300, and scale on the inner wall of the pipeline is cleaned.
The working flow is as follows: firstly, the two three-way valves are switched, so that the gas particle impact assembly 200 and the filtering assembly 300 are communicated with the heat exchanger 100, the injection pipe 240 injects cleaning liquid into the mixed flow shell 210, the gas charging pipe 211 injects high-pressure gas into the mixed flow shell 210, the charging pipe 212 injects abrasive particles into the mixed flow shell 210, and the three materials are uniformly mixed in the mixed flow shell 210 and are input into a pipeline of the heat exchanger 100, so that attached scale on the inner wall of the pipeline is cleaned. The cleaning solution with the scale debris is filtered by the filter 310, separating the abrasive particles and the scale debris. The filtered purging liquid is pressurized and then re-introduced into the mixed-flow housing 210 through the injection pipe 240.
While the utility model has been described with respect to the preferred embodiments, the scope of the utility model is not limited thereto, and any changes or substitutions that would be apparent to those skilled in the art are intended to be included within the scope of the utility model.
Claims (8)
1. The pipeline heat exchange system comprises a heat exchanger, a water inlet pipe and a water outlet pipe which are respectively connected with the heat exchanger, and is characterized by further comprising a gas particle impact assembly and a filtering assembly, wherein the gas particle impact assembly comprises a mixed flow shell, a gas charging pipe for charging gas into the mixed flow shell and a charging pipe for adding abrasive particles into the mixed flow shell are arranged on the mixed flow shell, and the water inlet pipe is communicated with the mixed flow shell through a valve; the filter assembly comprises a filter element, the water outlet pipe is communicated with the input end of the filter element through a valve, and the output end of the filter element is communicated with the mixed flow shell through a pipeline so as to be used for inputting the cleaning liquid separated from the scale and abrasive particles into the mixed flow shell again.
2. A tubular heat exchange system according to claim 1, wherein one end of the feed pipe is in communication with the mixed flow housing, the other end of the feed pipe is provided with a storage tank for storing abrasive particles, and an opening of the storage tank is in communication with the feed pipe.
3. A tubular heat exchange system according to claim 2, wherein the opening of the feed tube is provided with a solid powder flow controller.
4. A tubular heat exchange system according to claim 1 wherein one end of the charge tube communicates with the mixed flow housing and the other end of the charge tube communicates with an air compressor.
5. The heat exchange system according to claim 4, wherein the gas-filled tube is provided with a plurality of gas-filled tubes, the gas-filled tubes are arranged obliquely relative to the ports of the mixed-flow housing, and the plurality of ports are arranged equidistantly around the mixed-flow housing.
6. The pipe heat exchange system according to claim 1, wherein an ejector pipe is provided in the mixed-flow housing, one end of the ejector pipe is fixedly connected with the mixed-flow housing and is communicated with the output end of the filter through a pipe, and the other end of the ejector pipe is provided opposite to the communication position between the mixed-flow housing and the water inlet pipe.
7. The pipe heat exchange system according to claim 6, further comprising a pressurizing assembly, wherein the pressurizing assembly comprises a liquid storage tank and a pressurizing pump, the output end of the filtering piece is communicated with the liquid storage tank through a pipe, a pressurizing pipe is arranged between the liquid storage tank and the injection pipe, and the pressurizing pump is arranged on the pressurizing pipe.
8. A tubular heat exchange system according to claim 1 wherein the valve is a three-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322620957.3U CN220982053U (en) | 2023-09-26 | 2023-09-26 | Pipeline heat exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322620957.3U CN220982053U (en) | 2023-09-26 | 2023-09-26 | Pipeline heat exchange system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220982053U true CN220982053U (en) | 2024-05-17 |
Family
ID=91042235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322620957.3U Active CN220982053U (en) | 2023-09-26 | 2023-09-26 | Pipeline heat exchange system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220982053U (en) |
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2023
- 2023-09-26 CN CN202322620957.3U patent/CN220982053U/en active Active
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