CN217686810U - Low heat source recovery device - Google Patents
Low heat source recovery device Download PDFInfo
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- CN217686810U CN217686810U CN202221291321.8U CN202221291321U CN217686810U CN 217686810 U CN217686810 U CN 217686810U CN 202221291321 U CN202221291321 U CN 202221291321U CN 217686810 U CN217686810 U CN 217686810U
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- heat exchanger
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- 238000011084 recovery Methods 0.000 title claims abstract description 19
- 239000002699 waste material Substances 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000008239 natural water Substances 0.000 claims abstract description 30
- 238000004140 cleaning Methods 0.000 claims description 46
- 239000002918 waste heat Substances 0.000 abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052799 carbon Inorganic materials 0.000 abstract description 7
- 239000003814 drug Substances 0.000 description 9
- 239000002351 wastewater Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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Abstract
The utility model relates to a low heat source recovery technical field, especially a low heat source recovery unit, including low heat waste source, delivery pump, natural water source and heat exchanger, low heat waste source is connected to the heat exchanger through first pipeline, and the heat exchanger is connected to waste source processing system through first pipeline, sets up the delivery pump on the first pipeline near low heat waste source; the natural water source is connected to the heat exchanger through a second pipeline, the heat exchanger is connected to a hot water using end through a second pipeline, and the second pipeline is provided with an adjusting valve group. The utility model provides a low heat source recovery unit can carry out recycle with the waste heat of low heat waste source, reduces the heat waste to realize the purpose that energy-conserving carbon reduction was arranged.
Description
Technical Field
The utility model belongs to the technical field of low heat source recovery technique and specifically relates to a low heat source recovery unit.
Background
In the industrialized and modernized processes, an industrial system is the most complete in the whole world, a large amount of wastewater, waste gas or waste residue is produced in a large amount of industrial production, the environmental pollution is serious, partial heat in the production process is taken away, more fuel, electricity or other energy sources are consumed in the production, and a large amount of carbon emission is directly or indirectly produced by fuel combustion and thermal power generation. All enterprises are continuously improving the technology, optimizing the process, recovering waste heat, reducing energy consumption, improving efficiency and finally achieving the purposes of energy conservation and emission reduction. Compared with the past, although the system achieves favorable performance on energy conservation and emission reduction, a great deal of potential is available. For example: the temperature of a large amount of flue gas discharged by an industrial kiln is too high, the temperature of the flue gas is over 150 degrees even over 200 degrees after waste heat recovery, the temperature of discharged sewage in large amount is 40-90 degrees, and the waste of energy indirectly increases the carbon emission, and is not beneficial to national carbon emission reduction, carbon neutralization and carbon peak-reaching policies.
There is a need for a low heat source recovery device that recovers heat from a waste source at a lower temperature.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned not enough and provide a low heat source recovery unit for the waste heat recovery who hangs down the hot useless source utilizes.
The utility model discloses a low heat source recovery device, which comprises a low heat waste source, a delivery pump, a natural water source and a heat exchanger, wherein the low heat waste source is connected to the heat exchanger through a first pipeline; the natural water source is connected to the heat exchanger through a second pipeline, the heat exchanger is connected to a hot water using end through a second pipeline, and the second pipeline is provided with an adjusting valve group.
According to the scheme, the low-heat waste source can be waste water or waste gas, generally if the waste water is used, the temperature is between 40 and 100 ℃, and if the waste gas is used, the temperature is about 150 ℃; the low-heat waste source is conveyed to the heat exchanger through the first pipeline by the conveying pump, and exchanges heat with natural water which is input into the heat exchanger from a natural water source at normal temperature through the second pipeline, so that the temperature of the natural water is raised, and the natural water is conveyed to a hot water using end, such as water for workshop production or domestic water. And the temperature of the low-heat waste source after heat exchange is reduced, and then the low-heat waste source is conveyed to a waste source treatment system for treatment. The process recycles the waste heat of the low-heat waste source, and meanwhile, the amount of the natural water entering the heat exchanger is controlled through the regulating valve group on the second pipeline, so that the outlet water temperature of the natural water is changed. Of course, the natural water source may be other fluids or gases that may be used after heating is required.
The number of the heat exchangers is one or more, and when the number of the heat exchangers is more, the heat exchangers can be connected in parallel or in series. In order to ensure that the heat exchange is more thorough and the treatment capacity of the low-temperature waste source is improved, a plurality of heat exchangers can be used and are arranged in series or in parallel. The series arrangement is adopted, so that the heat exchange area can be increased, and the heat exchange is more thorough. The parallel arrangement can increase the treatment capacity of the low-temperature waste source.
A first cleaning pipe and a second cleaning pipe are respectively connected to the first pipelines at the two ends of each heat exchanger, the first cleaning pipe and the second cleaning pipe are both connected to a cleaning water tank, and a water pump is arranged on the first cleaning pipe; the first cleaning pipe and the second cleaning pipe at the joint of the first pipeline are both provided with a first valve, and the first pipeline connected with the first cleaning pipe and the second cleaning pipe is kept away from one side of the heat exchanger and is provided with a second valve. When the low-heat waste source circulates in the first pipeline, particularly when heat exchange is carried out inside the heat exchanger, blockage occurs in the pipeline inside the heat exchanger communicated with the first pipeline due to long-time operation. Therefore, the water pump is adopted to wash the pipeline connected with the first pipeline inside the heat exchanger in the cleaning water tank at regular time, and smoothness of the pipeline is ensured. Or pressurized flushing can be carried out when the blockage occurs to recover the smoothness. In addition, a dosing box can be arranged on the cleaning water tank, a medicament is added into the water tank, the addition of the medicament is determined according to components contained in the treated low-heat waste source, the blocked components are determined, the medicament is used for facilitating dredging, and the dirt can be automatically cleaned, so that the clean water in the clean water tank can be recycled, and the use of the clean water is reduced.
A filter is arranged on the first pipeline between the low-heat waste source and the delivery pump. The filter may be in the form of a screen, grate, or the like.
The utility model provides a low heat source recovery unit can carry out recycle with the waste heat of low heat waste source, reduces the heat waste to realize the purpose that energy-conserving carbon reduction was arranged.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Example 1:
as shown in fig. 1, the utility model discloses a low heat source recovery device, which comprises a low heat waste source 4, a delivery pump 1, a natural water source 3 and a heat exchanger 2, wherein the low heat waste source 4 is connected to the heat exchanger 2 through a first pipeline 9, the heat exchanger 2 is connected to a waste source treatment system 7 through a first pipeline 9, and the delivery pump 1 is arranged on the first pipeline 9 near the low heat waste source 4; the natural water source 3 is connected to the heat exchanger 2 through a second pipeline 10, the heat exchanger 2 is connected to a hot water using end 6 through the second pipeline 10, and the second pipeline 10 is provided with an adjusting valve group 5.
In the scheme, the low-heat waste source 4 can be waste water, and the temperature of the waste water is 40-100 ℃ generally if the waste water is waste water; the low-heat waste source 4 exchanges heat with natural water which is input into the heat exchanger 2 from a natural water source 3 at normal temperature through a second pipeline 10 by a delivery pump 1 through a first pipeline 9 to ensure that the temperature of the natural water is raised and the natural water is delivered to a hot water using end 6, such as water for workshop production or domestic water. And the temperature of the low-heat waste source 4 after heat exchange is reduced, and then the low-heat waste source is conveyed to a waste source treatment system 7 for treatment. The process recycles the waste heat of the low-heat waste source 4, and simultaneously controls the amount of the natural water entering the heat exchanger 2 through the regulating valve group 5 on the second pipeline 10, so that the outlet water temperature of the natural water is changed. Of course, in other embodiments, the natural water source 3 may be other fluids or gases that may be used after heating is required.
A first cleaning pipe 11 and a second cleaning pipe 12 are respectively connected to the first pipeline 9 at two ends of each heat exchanger 2, the first cleaning pipe 11 and the second cleaning pipe 12 are both connected to the cleaning water tank 8, and a water pump 13 is arranged on the first cleaning pipe 11; first valves 14 are arranged on the first cleaning pipe 11 and the second cleaning pipe 12 at the joint of the first pipeline 9, and second valves 15 are arranged on the sides, far away from the heat exchanger 2, of the first pipeline 9 connected with the first cleaning pipe 11 and the second cleaning pipe 12. When the low-heat waste source 4 circulates in the first pipe 9, particularly when heat exchange is performed inside the heat exchanger 2, the pipe inside the heat exchanger 2 communicating with the first pipe 9 is blocked due to long-term operation. Therefore, the water pump 13 is used for washing the pipeline connected with the first pipeline 9 in the heat exchanger 2 in the cleaning water tank 8 at regular time, and the smoothness of the pipeline is ensured. It can also be pressure flushed when it is blocked to restore its smoothness. In addition, a dosing box can be arranged on the cleaning water tank 8, a medicament can be added into the water tank, the addition of the medicament is determined according to the components contained in the treated low-heat waste source 4, the blocked components are determined, the medicament is used for dredging, and the dirt can be automatically cleaned, so that the clean water in the clean water tank can be recycled, and the use of the clean water is reduced.
A filter 16 is arranged on the first pipe 9 between the low thermal waste source 4 and the transfer pump 1.
Example 2:
as shown in fig. 2, the utility model discloses a low heat source recovery device, which comprises a low heat waste source 4, a delivery pump 1, a natural water source 3 and a heat exchanger 2, wherein the low heat waste source 4 is connected to the heat exchanger 2 through a first pipeline 9, the heat exchanger 2 is connected to a waste source treatment system 7 through a first pipeline 9, and the delivery pump 1 is arranged on the first pipeline 9 near the low heat waste source 4; the natural water source 3 is connected to the heat exchanger 2 through a second pipeline 10, the heat exchanger 2 is connected to a hot water using end 6 through the second pipeline 10, and the second pipeline 10 is provided with an adjusting valve group 5.
According to the scheme, the low-heat waste source 4 can be waste water, and the temperature of the waste water is 55 ℃; the low-heat waste source 4 exchanges heat with natural water input into the heat exchanger 2 from a natural water source 3 at normal temperature such as 23 ℃ through a second pipeline 10 by a delivery pump 1 through a first pipeline 9, so that the temperature of the natural water is raised to 50 ℃, and the natural water is delivered to a hot water using end 6 such as water for workshop production or domestic water. And the temperature of the low-heat waste source 4 after heat exchange is reduced to 30 ℃, and then the low-heat waste source is conveyed to a sewage treatment system for treatment. The process recycles the waste heat of the low-heat waste source 4, and simultaneously controls the amount of the natural water entering the heat exchanger 2 through the regulating valve group 5 on the second pipeline 10, so that the outlet water temperature of the natural water is changed.
The number of the heat exchangers 2 is two, and when the number of the heat exchangers 2 is two, the heat exchangers 2 are connected in parallel. And the parallel arrangement is adopted, so that the treatment capacity of the low-temperature waste source can be increased.
A first cleaning pipe 11 and a second cleaning pipe 12 are respectively connected to the first pipeline 9 at two ends of each heat exchanger 2, the first cleaning pipe 11 and the second cleaning pipe 12 are both connected to the cleaning water tank 8, and a water pump 13 is arranged on the first cleaning pipe 11; first valves 14 are arranged on the first cleaning pipe 11 and the second cleaning pipe 12 at the joint of the first pipeline 9, and second valves 15 are arranged on the sides, far away from the heat exchanger 2, of the first pipeline 9 connected with the first cleaning pipe 11 and the second cleaning pipe 12. When the low-heat waste source 4 circulates in the first pipe 9, particularly when heat exchange is performed inside the heat exchanger 2, the pipe inside the heat exchanger 2 communicating with the first pipe 9 is blocked due to long-term operation. Therefore, the water pump 13 is used for washing the pipeline connected with the first pipeline 9 in the heat exchanger 2 in the cleaning water tank 8 at regular time, and the smoothness of the pipeline is ensured. It can also be pressure flushed when it is blocked to restore its smoothness. In addition, a dosing box can be arranged on the cleaning water tank 8, a medicament can be added into the water tank, the addition of the medicament is determined according to the components contained in the treated low-heat waste source 4, the blocked components are determined, the medicament is used for dredging, and the dirt can be automatically cleaned, so that the clean water in the clean water tank can be recycled, and the use of the clean water is reduced.
A filter 16 is arranged on the first pipe 9 between the low thermal waste source 4 and the transfer pump 1. The filter 16 may be in the form of a screen, grate, or the like.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; they may be directly connected or indirectly connected through intervening media, or may be in the interactive relationship of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.
Claims (4)
1. A low heat source recovery device is characterized in that: the system comprises a low-heat waste source, a delivery pump, a natural water source and a heat exchanger, wherein the low-heat waste source is connected to the heat exchanger through a first pipeline, the heat exchanger is connected to a waste source treatment system through a first pipeline, and the delivery pump is arranged on the first pipeline close to the low-heat waste source; the natural water source is connected to the heat exchanger through a second pipeline, the heat exchanger is connected to a hot water using end through a second pipeline, and the second pipeline is provided with an adjusting valve group.
2. A low heat source recovery device, as claimed in claim 1, wherein: the number of the heat exchangers is one or more, and when the number of the heat exchangers is more than one, the heat exchangers can be connected in parallel or in series.
3. A low heat source recovery device according to claim 1 or 2, wherein: a first cleaning pipe and a second cleaning pipe are respectively connected to the first pipelines at the two ends of each heat exchanger, the first cleaning pipe and the second cleaning pipe are both connected to a cleaning water tank, and a water pump is arranged on the first cleaning pipe; the first cleaning pipe and the second cleaning pipe at the joint of the first pipeline are both provided with a first valve, and the first pipeline connected with the first cleaning pipe and the second cleaning pipe is kept away from one side of the heat exchanger and is provided with a second valve.
4. A low heat source recovery device according to claim 1 or 2, wherein: a filter is arranged on the first pipeline between the low-heat waste source and the delivery pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221291321.8U CN217686810U (en) | 2022-05-26 | 2022-05-26 | Low heat source recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221291321.8U CN217686810U (en) | 2022-05-26 | 2022-05-26 | Low heat source recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217686810U true CN217686810U (en) | 2022-10-28 |
Family
ID=83703506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221291321.8U Active CN217686810U (en) | 2022-05-26 | 2022-05-26 | Low heat source recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217686810U (en) |
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2022
- 2022-05-26 CN CN202221291321.8U patent/CN217686810U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 314500 No. 296 Huaye Road, Fengming Street, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Zhiyuan Environmental Technology Co.,Ltd. Address before: 314500 Building 1, 3, 4 and 5, No. 296 Huaye Road, Fengming street, Tongxiang City, Jiaxing City, Zhejiang Province Patentee before: Zhejiang Zhiyuan Environmental Technology Co.,Ltd. |