CN219656180U - Heat supply system for heat conduction oil return heat source utilization - Google Patents
Heat supply system for heat conduction oil return heat source utilization Download PDFInfo
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- CN219656180U CN219656180U CN202321152227.9U CN202321152227U CN219656180U CN 219656180 U CN219656180 U CN 219656180U CN 202321152227 U CN202321152227 U CN 202321152227U CN 219656180 U CN219656180 U CN 219656180U
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- 238000010438 heat treatment Methods 0.000 claims abstract description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 56
- 230000001502 supplementing effect Effects 0.000 claims description 29
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000003020 moisturizing effect Effects 0.000 claims 12
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 239000002918 waste heat Substances 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000008236 heating water Substances 0.000 description 5
- 238000004064 recycling Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a heat supply system for heat source utilization of return oil of heat conduction oil, and belongs to the technical field of heat recovery and waste heat reutilization of return oil of heat conduction oil. The system comprises a bypass pipeline, a first heat exchanger, an intermediate circulation pipeline, a second heat exchanger, a heating pipeline and a heating area, wherein a bypass pipeline loop is connected to an oil return pipeline, the first heat exchanger is arranged on the bypass pipeline, the intermediate circulation pipeline loop is connected to the first heat exchanger, the second heat exchanger is arranged on the intermediate circulation pipeline, the heating pipeline loop is connected to the second heat exchanger, and the heating area is arranged on the heating pipeline. The utility model is technically improved on the basis of the traditional heat conduction oil boiler device, is easy to operate and implement, saves high heating cost for heating each production device and office living area in the production factory each year, and utilizes the heat conduction oil waste heat secondarily, thereby saving energy, reducing emission, and being safe and environment-friendly.
Description
Technical Field
The utility model belongs to the technical field of recycling of waste heat of return oil of heat conducting oil, and particularly relates to a heat supply system for recycling a return oil heat source of heat conducting oil.
Background
With the continuous progress and development of the modern industry, the heat conducting oil is used as a heat supply organic carrier with stability, safety and good heat transfer efficiency, and is widely applied in the chemical industry. If in some chemical production processes, many reaction kettles can be heated to complete the reaction, heat can be transferred into the reaction kettles by adopting a heat transfer oil way through heat exchange, and the heating of the reaction kettles is realized. The equipment for heating the reaction kettle by using the heat conduction oil generally adopts the conventional heat conduction oil boiler device shown in fig. 1, the heat conduction oil is heated by a heat oil furnace and then is sent to a positive production device, the positive production device is heated by a heat exchange mode and then flows out of the positive production device, and then the heat conduction oil is sent to the heat oil furnace through an oil return pipeline and a heat oil circulating pump A and/or a heat oil circulating pump B. The heat conducting oil in the oil return pipeline still has high temperature, can be reasonably utilized as a heat source, and can avoid unnecessary loss and waste of heat of the heat conducting oil.
The production devices and office living areas of the production plant area in winter are expensive in heating cost each year, and peripheral heat sources are unstable. Therefore, in order to reduce the heating cost, save energy and reduce emission, and effectively utilize energy, it is necessary to design a heating system for heating by utilizing a heat conduction oil return heat source.
Disclosure of Invention
The utility model provides a heat supply system for utilizing heat source of return oil of heat conducting oil, which is technically improved on the basis of the prior heat conducting oil boiler device, saves high heating cost for heating each production device and office living area in a production factory each year, and reutilizes the waste heat of the heat conducting oil, thereby saving energy, reducing emission, being safe and environment-friendly.
In order to achieve the above purpose, the technical scheme adopted by the utility model is that the heat transfer oil return heat source utilization heat supply system comprises a bypass pipeline, a first heat exchanger, an intermediate circulation pipeline, a second heat exchanger, a heating pipeline and a heating area, wherein a bypass pipeline loop is connected to the oil return pipeline, the first heat exchanger is arranged on the bypass pipeline, the intermediate circulation pipeline loop is connected to the first heat exchanger, the second heat exchanger is arranged on the intermediate circulation pipeline, the heating pipeline loop is connected to the second heat exchanger, and the heating area is arranged on the heating pipeline.
Further, a first valve, a second valve, a third valve and a fourth valve are further arranged on the bypass pipeline along the flow direction of the heat conduction oil, and the first heat exchanger is located between the second valve and the third valve.
Further, a fifth valve is further arranged on the intermediate circulation pipeline and is positioned at the outlet end of the first heat exchanger.
Further, a heating circulating pump is further arranged on the heating pipeline and is located at the outlet end of the second heat exchanger.
Further, a drain pipe is further arranged on the first heat exchanger, and a sixth valve is arranged on the drain pipe.
Further, the water replenishing mechanism comprises a heating water replenishing tank, a water replenishing main pipe and a first water replenishing branch pipe, wherein the water inlet end of the first water replenishing branch pipe is connected with the water replenishing main pipe, the water outlet end of the first water replenishing branch pipe is connected with the middle circulating pipeline, an eighth valve is arranged on the first water replenishing branch pipe, the water replenishing main pipe is connected to the heating water replenishing tank, and a seventh valve is arranged on the water replenishing main pipe.
Preferably, the water supplementing main pipe is also connected with a second water supplementing branch pipe, the water outlet end of the second water supplementing branch pipe is connected with a heating pipeline, and a ninth valve is arranged on the second water supplementing branch pipe.
Further, the first valve, the third valve, the eighth valve and the ninth valve are high-temperature stop valves, the second valve is a high-temperature pressure reducing valve, the fourth valve is a high-temperature one-way valve, and the fifth valve is a high-temperature pressure regulating valve.
Further, a temperature detection point is arranged on the heating pipeline between the second heat exchanger and the heating circulating pump, the temperature detection point is linked with an independently arranged heating temperature and pressure automatic regulating controller, and the heating temperature and pressure automatic regulating controller is respectively linked with a second valve and a fifth valve.
Compared with the prior art, the utility model has the beneficial technical effects that:
1. under the layout of the traditional heat conduction oil boiler device, a bypass pipeline, a first heat exchanger, an intermediate circulation pipeline, a second heat exchanger and a heating pipeline are added on an oil return pipeline, circulating water in the intermediate circulation pipeline is gasified into water vapor in the first heat exchanger by utilizing high-temperature heat conduction oil in the bypass pipeline and then enters the second heat exchanger, cold water in the heating pipeline from a heating area is subjected to heat exchange through the second heat exchanger, so that the cold water reaches the temperature required by heating, and finally the cold water is pumped into the heating area through a heating circulation pump to perform heating.
2. Under the condition that the water quantity in the first heat exchanger and the second heat exchanger is insufficient, water can be respectively supplemented through the water supplementing mechanism.
3. And setting a temperature detection point, a second valve and a fifth valve which are respectively interlocked with the heating temperature and pressure automatic regulating controller, feeding back the temperature of the outlet of the second heat exchanger to the heating temperature and pressure automatic regulating controller by the temperature detection point, and automatically regulating the opening of the second valve and the opening of the fifth valve to regulate the heat exchange condition of the first heat exchanger and the second heat exchanger by the interlocking control of the heating temperature and pressure automatic regulating controller.
4. The technical transformation is carried out on the basis of the traditional heat conduction oil boiler device, the operation and implementation are easy, the high heating cost of each production device and office living area heating in the production factory area each year is saved, the heat conduction oil waste heat is reused, the energy is saved, the emission is reduced, and the environment is protected.
Drawings
FIG. 1 is a layout of a prior art conduction oil boiler apparatus;
FIG. 2 is a schematic diagram of a heat transfer oil return heat source utilization heating system of the present utility model;
reference numerals: 1-heating oil furnace, 2-normal production device, 3-oil return pipeline, 4-hot oil circulating pump A, 5-hot oil circulating pump B, 6-bypass pipeline, 7-first heat exchanger, 8-intermediate circulating pipeline, 9-second heat exchanger, 10-heating pipeline, 11-heating temperature pressure automatic regulating controller, 12-first valve, 13-second valve, 14-third valve, 15-fourth valve, 16-fifth valve, 17-heating circulating pump, 18-temperature detection point, 19-drain pipe, 20-sixth valve, 21-heating water supplementing tank, 22-water supplementing main pipe, 23-seventh valve, 24-first water supplementing branch pipe, 25-eighth valve, 26-second water supplementing branch pipe, 27-ninth valve.
Description of the embodiments
The utility model will be further described in detail by means of preferred embodiments in order to make the objects, technical solutions and advantages of the utility model more apparent.
As shown in fig. 1, in the conventional heat-conducting oil boiler device, a heat oil boiler 1 and a positive production device 2 are connected in a loop through an oil return pipeline 3, a heat oil circulating pump A4 and a heat oil circulating pump B5 which are connected in parallel are further arranged on the oil return pipeline 3, and the heat oil circulating pump A4 and the heat oil circulating pump B5 are combined or prepared. The heat-conducting oil is heated by the hot oil furnace 1 and then is sent into the positive production device 2, the positive production device 2 is heated by a heat exchange mode and then flows out of the positive production device 2, and then is sent to the hot oil furnace 1 through the oil return pipeline 3 and the hot oil circulating pump A4 and/or the hot oil circulating pump B5.
As shown in fig. 2, the heating system for utilizing the heat source of returning oil of the heat transfer oil provided in this embodiment includes a bypass line 6, a first heat exchanger 7, an intermediate circulation line 8, a second heat exchanger 9, a heating line 10, and a heating area, wherein the bypass line 6 is connected to the oil return line 3 in a loop manner, the first heat exchanger 7 is disposed on the bypass line 6, the intermediate circulation line 8 is connected to the first heat exchanger 7 in a loop manner, the second heat exchanger 9 is disposed on the intermediate circulation line 8, the heating line 10 is connected to the second heat exchanger 9 in a loop manner, and the heating area is disposed on the heating line 10.
In this embodiment, by adding the bypass pipeline 6 to the oil return pipeline 3, the circulating water in the intermediate circulating pipeline 8 is gasified into water vapor in the first heat exchanger 7 by using the high-temperature heat-conducting oil in the bypass pipeline 6, and then enters the second heat exchanger 9, and then the cold water in the heating pipeline 10 from the heating area is subjected to heat exchange by the second heat exchanger 9, so that the temperature required by heating is reached, and finally the water is sent to the heating area for heating.
Specifically, the bypass pipeline 6 is further provided with a first valve 12, a second valve 13, a third valve 14 and a fourth valve 15 along the flow direction of the heat transfer oil, the first heat exchanger 7 is located between the second valve 13 and the third valve 14, the intermediate circulation pipeline 8 is further provided with a fifth valve 16, the fifth valve 16 is located at the outlet end of the first heat exchanger 7, the heating pipeline 10 is further provided with a heating circulation pump 17, the heating circulation pump 17 is located at the outlet end of the second heat exchanger 9, the first heat exchanger 7 is further provided with a drain pipe 19, and the drain pipe 19 is provided with a sixth valve 20.
Specifically, a water supplementing mechanism is further arranged under the condition that the water quantity in the first heat exchanger 7 and the second heat exchanger 9 is insufficient, the water supplementing mechanism comprises a heating water supplementing tank 21, a water supplementing main pipe 22 and a first water supplementing branch pipe 24, the water inlet end of the first water supplementing branch pipe 24 is connected with the water supplementing main pipe 22, the water outlet end of the first water supplementing branch pipe 24 is connected with the middle circulating pipeline 8, an eighth valve 25 is arranged on the first water supplementing branch pipe 24, the water supplementing main pipe 22 is connected to the heating water supplementing tank 21, and a seventh valve 23 is arranged on the water supplementing main pipe 22; the water supplementing main pipe 22 is also connected with a second water supplementing branch pipe 26, the water outlet end of the second water supplementing branch pipe 26 is connected with the heating pipeline 10, and a ninth valve 27 is arranged on the second water supplementing branch pipe 26. The seventh valve 23, the eighth valve 25 and the ninth valve 27 are opened to supply water to the first heat exchanger 7 and the second heat exchanger 9, respectively.
In this embodiment, the first valve 12, the third valve 14, the eighth valve 25, and the ninth valve 27 are high-temperature stop valves, the second valve 13 is a high-temperature pressure reducing valve, the fourth valve 15 is a high-temperature one-way valve, so as to prevent backflow of hot oil, and the fifth valve 16 is a high-temperature pressure regulating valve.
Specifically, a temperature detection point 18 is set on the heating pipeline 10 between the second heat exchanger 9 and the heating circulation pump 17, the temperature detection point 18 is linked with an independently set heating temperature and pressure automatic regulating controller 11, and the heating temperature and pressure automatic regulating controller 11 is linked with a second valve 13 and a fifth valve 16 respectively. The temperature detection point 18 feeds back the temperature of the outlet of the second heat exchanger 9 to the central heating temperature and pressure automatic regulating controller 11, and the opening of the second valve 13 and the opening of the fifth valve 16 are automatically regulated by the linkage control of the central heating temperature and pressure automatic regulating controller 11 to regulate the heat exchange condition of the first heat exchanger 7 and the second heat exchanger 9.
The foregoing description of the preferred embodiments of the utility model has been presented for the purpose of illustration and description, and it will be apparent to those skilled in the art that various changes, substitutions and alterations can be made therein without departing from the spirit and principles of the utility model.
Claims (9)
1. A heat transfer oil return heat source utilization heating system is characterized in that: including bypass pipeline, first heat exchanger, intermediate circulation pipeline, second heat exchanger, heating pipeline, heating district, the bypass pipeline return circuit is connected on the oil return line, and first heat exchanger sets up on the bypass pipeline, and intermediate circulation pipeline return circuit is connected on first heat exchanger, and the second heat exchanger sets up on intermediate circulation pipeline, and heating pipeline return circuit is connected on the second heat exchanger, and heating district sets up on the heating pipeline.
2. The heat transfer oil return heat source utilization heat supply system according to claim 1, wherein: the bypass pipeline is further provided with a first valve, a second valve, a third valve and a fourth valve along the flow direction of the heat conduction oil, and the first heat exchanger is located between the second valve and the third valve.
3. The heat transfer oil return heat source utilization heat supply system according to claim 2, wherein: and a fifth valve is further arranged on the intermediate circulating pipeline and is positioned at the outlet end of the first heat exchanger.
4. A conduction oil return heat source utilization heating system as claimed in claim 3, wherein: and the heating pipeline is also provided with a heating circulating pump, and the heating circulating pump is positioned at the outlet end of the second heat exchanger.
5. The heat transfer oil return heat source utilization heat supply system according to claim 4, wherein: the first heat exchanger is also provided with a drain pipe, and a sixth valve is arranged on the drain pipe.
6. The heat transfer oil return heat source utilization heat supply system according to claim 5, wherein: still include moisturizing mechanism, moisturizing mechanism includes heating moisturizing case, moisturizing trunk, first moisturizing branch pipe, and moisturizing trunk is connected to first moisturizing branch pipe water inlet end, and first moisturizing branch pipe water outlet end connects the middle circulating line, sets up eighth valve on the first moisturizing branch pipe, and moisturizing trunk is connected on heating moisturizing case, sets up seventh valve on the moisturizing trunk.
7. The heat transfer oil return heat source utilization heat supply system according to claim 6, wherein: the water supplementing main pipe is also connected with a second water supplementing branch pipe, the water outlet end of the second water supplementing branch pipe is connected with a heating pipeline, and a ninth valve is arranged on the second water supplementing branch pipe.
8. The heat transfer oil return heat source utilization heat supply system according to claim 7, wherein: the first valve, the third valve, the eighth valve and the ninth valve are high-temperature stop valves, the second valve is a high-temperature pressure reducing valve, the fourth valve is a high-temperature one-way valve, and the fifth valve is a high-temperature pressure regulating valve.
9. The heat transfer oil return heat source utilization heat supply system according to claim 8, wherein: and a temperature detection point is arranged on a heating pipeline between the second heat exchanger and the heating circulating pump and is linked with an independently arranged heating temperature and pressure automatic regulating controller, and the heating temperature and pressure automatic regulating controller is respectively linked with a second valve and a fifth valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321152227.9U CN219656180U (en) | 2023-05-15 | 2023-05-15 | Heat supply system for heat conduction oil return heat source utilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321152227.9U CN219656180U (en) | 2023-05-15 | 2023-05-15 | Heat supply system for heat conduction oil return heat source utilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219656180U true CN219656180U (en) | 2023-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321152227.9U Active CN219656180U (en) | 2023-05-15 | 2023-05-15 | Heat supply system for heat conduction oil return heat source utilization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219656180U (en) |
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2023
- 2023-05-15 CN CN202321152227.9U patent/CN219656180U/en active Active
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