CN220169435U - Cooling system - Google Patents
Cooling system Download PDFInfo
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- CN220169435U CN220169435U CN202321369263.0U CN202321369263U CN220169435U CN 220169435 U CN220169435 U CN 220169435U CN 202321369263 U CN202321369263 U CN 202321369263U CN 220169435 U CN220169435 U CN 220169435U
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- 238000001816 cooling Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 111
- 239000002893 slag Substances 0.000 claims abstract description 29
- 238000011084 recovery Methods 0.000 claims abstract description 20
- 239000002699 waste material Substances 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000012824 chemical production Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model relates to a cooling system in the technical field of industrial boilers, which comprises a condensing pump, a low-temperature deaerator, a slag cooling machine and a waste steam recovery hot water tank, wherein the condensing pump is connected with the low-temperature deaerator; the water outlet of the condensing pump is connected with the low-temperature deaerator through a water outlet pipe, a first branch pipe and a second branch pipe are communicated with the water outlet pipe, a first switch valve is arranged on the first branch pipe, the first branch pipe is connected with a desalted water main pipe of the slag cooling machine, a second switch valve is arranged on the second branch pipe, and the second branch pipe is connected with a waste steam recovery hot water tank. The utility model has reasonable structure, ensures that the high-load operation of the slag cooler is safer and more reliable, avoids the phenomenon that the temperature of cooling water at the outlet of the slag cooler exceeds the index, reduces the operation risk, simultaneously ensures that the water inlet adjustment residual quantity of the low-temperature deaerator is increased, avoids the overflow external drainage phenomenon of the low-temperature deaerator for a long time, and saves resources.
Description
Technical Field
The utility model belongs to the technical field of industrial boilers, and particularly relates to a cooling system.
Background
In an industrial boiler thermodynamic workshop, the waste steam recycling technology of a low-temperature deaerator is mature, cold source power adopted in the thermodynamic workshop mainly realizes a process closed loop by means of cold desalted water of a water inlet main pipe of a slag cooler, but when the slag cooler is in an operation state with higher load, the temperature of cooling water at an outlet of the slag cooler exceeds an index. Therefore, a cooling system is needed to solve the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a cooling system which comprises a condensing pump, a low-temperature deaerator, a slag cooling machine and a waste steam recovery hot water tank; the water outlet of the condensing pump is connected with the low-temperature deaerator through a water outlet pipe, a first branch pipe and a second branch pipe are communicated with the water outlet pipe, a first switch valve is arranged on the first branch pipe, the first branch pipe is connected with a desalted water main pipe of the slag cooling machine, a second switch valve is arranged on the second branch pipe, and the second branch pipe is connected with a waste steam recovery hot water tank.
Preferably, a liquid level sensor is arranged on the low-temperature deaerator, and the liquid level sensor is electrically connected with the first switch valve and the second switch valve.
Preferably, the water outlet of the slag cooler is connected with the low-temperature deaerator through a first water guide pipe, a first water guide pipe is arranged on the first water guide pipe, a third switch valve is arranged on the first water guide pipe between the first water guide pipe and the low-temperature deaerator, and a fourth switch valve is arranged on the first water guide pipe. The water flow direction of the water discharged from the water outlet of the slag cooler can be controlled by opening and closing the switch valve III and the switch valve IV, and the water can flow to the low-temperature deaerator as required, and can be discharged from the water outlet pipe I to be led into other equipment or systems.
Preferably, the water outlet of the exhaust steam recovery hot water tank is connected with a second water guide pipe, the second water guide pipe is connected with the low-temperature deaerator, a second water guide pipe is arranged on the second water guide pipe, a fifth switch valve is arranged on the second water guide pipe between the second water guide pipe and the low-temperature deaerator, and a sixth switch valve is arranged on the second water guide pipe. The flow direction of water discharged from the water outlet of the exhaust steam recovery hot water tank can be controlled by selecting the opening and closing of the switch valve five and the switch valve six, and the water can flow to the low-temperature deaerator as required, and can be discharged from the water discharge pipe two to be introduced into other equipment or systems.
Preferably, the water outlet of the low-temperature deaerator is connected with the water inlet of the boiler through a pipeline.
The utility model also comprises other components which can ensure that the cooling system is normally used, such as a control component of a condensing pump, a control component of a slag cooler, a control component of a switch valve, a control component of a liquid level sensor, a control component of a low-temperature deaerator, a control component of a waste steam recovery hot water tank and the like, which are all conventional technical means in the field. In addition, the undefined devices or components in the utility model all adopt the technical means in the field, such as a switch valve, a waste steam recovery hot water tank, a slag cooler, a low-temperature deaerator, a boiler, a liquid level sensor and the like, which all adopt the conventional equipment in the field.
Working principle: the condensate of the newly added condensate pump can be introduced into the low-temperature deaerator, the slag cooling machine and the exhaust steam recovery hot water tank in the original condensing system, and the opening and closing of the switch valve I, the switch valve II, the switch valve III, the switch valve IV, the switch valve V and the switch valve V are flexibly controlled, so that the water inflow adjustment residual quantity of the low-temperature deaerator is increased, the water inflow adjustment of the low-temperature deaerator is more flexible, the adjustment capacity meets the requirement of process stable control, the overflow external drainage phenomenon is avoided for a long time, and resources are saved.
Specifically, the condensing pump works, the first switch valve is opened, other switch valves are closed firstly, condensate of the condensing pump is led to the low-temperature deaerator and the slag cooler firstly, the phenomenon that the temperature of cooling water at the outlet of the slag cooler exceeds an index is avoided, when the liquid level in the low-temperature deaerator is higher, the second switch valve is opened, partial condensate of the condensing pump is shunted into the exhaust steam recovery hot water tank, the condensate can be led into the low-temperature deaerator through the first water conduit after passing through the slag cooler and recycled, the condensate can be led into the low-temperature deaerator through the water conduit after passing through the exhaust steam recovery hot water tank and recycled, the condensate after being heated up by the low-temperature deaerator can be led into the boiler and recycled, and the part of steam exhaust steam generated by the boiler is used for power generation and the part of the condensate is used for chemical production. Thus, the system can be closed loop.
The utility model has the beneficial effects of reasonable structure, safer and more reliable operation in a high-load state of the slag cooler, avoids the phenomenon that the temperature of cooling water at the outlet of the slag cooler exceeds an index, reduces the operation risk, simultaneously increases the water inlet adjustment residual quantity of the low-temperature deaerator, avoids the phenomenon that the low-temperature deaerator overflows for a long time to drain water, and saves resources.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of a cooling system according to an embodiment of the present utility model.
In the figure: 1. a condensing pump; 2. a slag cooler; 3. a low temperature deaerator; 4. waste steam recovery hot water tank; 5. a boiler; 6. an exhaust pipe; 7. a water outlet pipe; 8. a branch pipe I; 9. a branch pipe II; 10. switching a valve I; 11. switching a valve II; 12. a first water guide pipe; 13. a second water guide pipe; 14. a pipe; 15. a drain pipe I; 16. and a second water draining pipe.
Detailed Description
The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, and in which embodiments of the utility model are shown. All other embodiments, modifications, equivalents, improvements, etc., which are apparent to those skilled in the art without the benefit of this disclosure, are intended to be included within the scope of this utility model.
Examples
As shown in FIG. 1, the utility model provides a cooling system, which comprises a condensing pump 1, a low-temperature deaerator 3, a slag cooler 2 and a waste steam recovery hot water tank 4; the condensing pump 1 is a 10MW low-pressure power generation condensing pump, a water outlet of the condensing pump 1 is connected with the low-temperature deaerator 3 through a water outlet pipe 7, a first branch pipe 8 and a second branch pipe 9 are communicated with the water outlet pipe 7, a first switch valve 10 is arranged on the first branch pipe 8, the first branch pipe 8 is connected with a desalted water main pipe of the slag cooler 2, a second switch valve is arranged on the second branch pipe 9, and the second branch pipe 9 is connected with the exhaust steam recovery hot water tank 5.
The low-temperature deaerator 3 is provided with a liquid level sensor, and the liquid level sensor is electrically connected with a first switch valve 10 and a second switch valve 11.
The water outlet of the slag cooler 2 is connected with the low-temperature deaerator 3 through a first water guide pipe 12, a first water guide pipe 15 is arranged on the first water guide pipe 12, a third switch valve is arranged on the first water guide pipe 12 between the first water guide pipe 12 and the low-temperature deaerator 3, and a fourth switch valve is arranged on the first water guide pipe 15.
The water outlet of the exhaust steam recovery hot water tank 5 is connected with a second water guide pipe 13, the second water guide pipe 13 is connected with the low-temperature deaerator 3, a second water guide pipe 16 is arranged on the second water guide pipe 13, a fifth switch valve is arranged on the second water guide pipe 13 between the second water guide pipe 16 and the low-temperature deaerator 3, and a sixth switch valve is arranged on the second water guide pipe 13.
The water outlet of the low-temperature deaerator 3 is connected with the water inlet of the boiler 5 through a pipeline 14.
When the condensate pump 1 is started, the first switch valve 10 is opened, other switch valves are closed firstly, condensate of the condensate pump 1 is led to the low-temperature deaerator 3 and the slag cooler 2 firstly, the phenomenon that the temperature of cooling water at the outlet of the slag cooler 2 exceeds an index is avoided, when the liquid level in the low-temperature deaerator 3 is higher, the second switch valve 11 is also opened, part of condensate of the condensate pump 1 is shunted into the exhaust steam recovery hot water tank 4, the condensate can be led into the low-temperature deaerator 3 for recycling through the first water guide pipe 12 after passing through the slag cooler 2, the condensate can be led into the low-temperature deaerator 3 for recycling through the second water guide pipe 13 after passing through the exhaust steam recovery hot water tank 4, the condensate after being heated up by the low-temperature deaerator 3 can be led into the boiler 5 for recycling, and steam exhaust steam generated by the boiler 5 is discharged through the exhaust pipe 6, and part of the condensate is used for power generation and part of the chemical production. Thus, the system can be closed loop.
The embodiments of the present utility model have been described above, the description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. A cooling system comprises a condensing pump, a low-temperature deaerator, a slag cooling machine and a waste steam recovery hot water tank; the method is characterized in that: the water outlet of the condensing pump is connected with the low-temperature deaerator through a water outlet pipe, a first branch pipe and a second branch pipe are communicated with the water outlet pipe, a first switch valve is arranged on the first branch pipe, the first branch pipe is connected with a desalted water main pipe of the slag cooling machine, a second switch valve is arranged on the second branch pipe, and the second branch pipe is connected with a waste steam recovery hot water tank.
2. A cooling system according to claim 1, wherein: the low-temperature deaerator is provided with a liquid level sensor, and the liquid level sensor is electrically connected with the first switch valve and the second switch valve.
3. A cooling system according to claim 1, wherein: the water outlet of the slag cooler is connected with the low-temperature deaerator through a first water guide pipe, a first water guide pipe is arranged on the first water guide pipe, a third switch valve is arranged on the first water guide pipe between the first water guide pipe and the low-temperature deaerator, and a fourth switch valve is arranged on the first water guide pipe.
4. A cooling system according to claim 1, wherein: the water outlet of the exhaust steam recovery hot water tank is connected with a second water guide pipe, the second water guide pipe is connected with a low-temperature deaerator, a second water guide pipe is arranged on the second water guide pipe, a fifth switch valve is arranged on the second water guide pipe between the second water guide pipe and the low-temperature deaerator, and a sixth switch valve is arranged on the second water guide pipe.
5. A cooling system according to claim 1, wherein: and the water outlet of the low-temperature deaerator is connected with the water inlet of the boiler through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321369263.0U CN220169435U (en) | 2023-05-31 | 2023-05-31 | Cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321369263.0U CN220169435U (en) | 2023-05-31 | 2023-05-31 | Cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220169435U true CN220169435U (en) | 2023-12-12 |
Family
ID=89059463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321369263.0U Active CN220169435U (en) | 2023-05-31 | 2023-05-31 | Cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220169435U (en) |
-
2023
- 2023-05-31 CN CN202321369263.0U patent/CN220169435U/en active Active
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