CN220417721U - Closed water system of waste incineration power plant - Google Patents
Closed water system of waste incineration power plant Download PDFInfo
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- CN220417721U CN220417721U CN202321829108.2U CN202321829108U CN220417721U CN 220417721 U CN220417721 U CN 220417721U CN 202321829108 U CN202321829108 U CN 202321829108U CN 220417721 U CN220417721 U CN 220417721U
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- unit
- cooling water
- lithium bromide
- water tank
- heat
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 238000004056 waste incineration Methods 0.000 title claims description 18
- 239000000498 cooling water Substances 0.000 claims abstract description 79
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical group [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims abstract description 50
- 238000011033 desalting Methods 0.000 claims abstract description 41
- 230000017525 heat dissipation Effects 0.000 claims abstract description 18
- 238000009833 condensation Methods 0.000 claims abstract description 8
- 230000005494 condensation Effects 0.000 claims abstract description 8
- 230000009467 reduction Effects 0.000 claims abstract description 5
- 238000010612 desalination reaction Methods 0.000 claims description 31
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 24
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000005536 corrosion prevention Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims 1
- 230000006872 improvement Effects 0.000 description 9
- 238000001816 cooling Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 230000001502 supplementing effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 239000008235 industrial water Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 239000012267 brine Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a closed water system of a garbage incineration power plant, which comprises the following components: the device comprises a condenser, a deaerator, a lithium bromide unit, a desalting cooling water tank and a heat dissipation unit; the output port of the condenser is communicated with the input port of one end of the lithium bromide unit, and the output port of one end of the lithium bromide unit is communicated with the input port of the deaerator; the output port of the desalting cooling water tank is communicated with the input port of the heat radiating unit, the desalting cooling water in the desalting cooling water tank is conveyed into the heat radiating unit so as to take away the heat emitted by the heat radiating unit, the output port of the heat radiating unit is communicated with the input port of the other end of the lithium bromide unit, and the output port of the other end of the lithium bromide unit is communicated with the input port of the desalting cooling water tank; the condensation water and the desalting cooling water exchange heat in the lithium bromide unit, the condensation water after temperature rise enters the deaerator, and the desalting cooling water after temperature reduction enters the desalting cooling water tank. The utility model has the advantages of compact structure, simple operation, high heat exchange efficiency and the like, and solves the problem of poor heat exchange efficiency of the closed water system.
Description
Technical Field
The utility model belongs to the technical field of garbage incineration treatment, and particularly relates to a closed water system of a garbage incineration power plant.
Background
The closed water system of the waste incineration power plant has the problems of poor heat exchange efficiency and low system operation efficiency, and is mainly caused by poor heat exchange effect of the plate heat exchanger. The difference of liquid velocity during operation of plate heat exchanger can influence heat exchange efficiency, and the velocity of flow of one side is low can lead to wall fluid stagnant flow layer too thick. The unreasonable place exists in plate heat exchanger's structure setting, can appear cold, the heat source can't carry out abundant contact's phenomenon with the heat transfer area, causes the heat exchanger local difference in temperature big, the heat transfer area can't obtain make full use of. Poor heat exchange efficiency can cause equipment to overheat, and the safe operation of the equipment is affected, so that the problem of poor heat exchange efficiency of a closed water system is solved.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a closed water system of a waste incineration power plant, which has the advantages of compact structure, simple operation and high heat exchange efficiency.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a closed water system of a waste incineration power plant, comprising: the device comprises a condenser, a deaerator, a lithium bromide unit, a desalting cooling water tank and a heat dissipation unit; the output port of the condenser is communicated with the input port of one end of the lithium bromide unit through a connecting pipeline with a valve, and the output port of one end of the lithium bromide unit is communicated with the input port of the deaerator through a connecting pipeline with a valve; the output port of the desalting cooling water tank is communicated with the input port of the heat radiating unit through a connecting pipeline with a valve, the desalting cooling water in the desalting cooling water tank is conveyed into the heat radiating unit so as to take away the heat emitted by the heat radiating unit, the output port of the heat radiating unit is communicated with the input port of the other end of the lithium bromide unit through a connecting pipeline with a valve, and the output port of the other end of the lithium bromide unit is communicated with the input port of the desalting cooling water tank through a connecting pipeline with a valve; the condensation water output by the condenser exchanges heat with the desalting cooling water flowing through the heat radiating unit in the lithium bromide unit, the condensation water after temperature rise enters the deaerator, and the desalting cooling water after temperature reduction enters the desalting cooling water tank.
As a further improvement of the utility model, a filter assembly is also arranged on the connecting pipeline of the output port of the condenser and the input port of one end of the lithium bromide unit, and the filter assembly is used for filtering the condensed water output by the condenser.
As a further improvement of the utility model, the filter assembly comprises a filter and a filter screen, and condensed water output by the condenser sequentially flows through the filter screen and the filter and then is input into the lithium bromide unit.
As a further improvement of the present utility model, the heat radiating unit includes a first heat radiating unit, a second heat radiating unit, and a third heat radiating unit, which are connected in parallel.
As a further improvement of the utility model, the first heat radiating unit comprises a primary air blower, a secondary air blower, a shaft air cooler, an air compressor and a cold dryer; the second heat radiating unit comprises a hydraulic device and a furnace wall induced draft fan; the third heat radiating unit comprises a water feeding pump and an induced draft fan.
As a further improvement of the utility model, the connecting pipeline of the output port of the condenser and the input port of one end of the lithium bromide unit and the connecting pipeline of the output port of one end of the lithium bromide unit and the input port of the deaerator are respectively provided with an electric valve.
As a further improvement of the utility model, the connecting pipeline of the output port of the heat radiating unit and the input port of the other end of the lithium bromide unit and the connecting pipeline of the output port of the other end of the lithium bromide unit and the input port of the desalting cooling water tank are respectively provided with an electric valve.
As a further improvement of the utility model, the desalting cooling water tank is connected with an external water supplementing tank through a pipeline with an electric valve and a manual valve so as to supplement desalting cooling water in the desalting cooling water tank.
As a further improvement of the utility model, the top of the desalination cooling water tank is provided with a connecting pipeline with a pressure regulating valve, and the pressure regulating valve is regulated so as to realize the pressure regulation in the desalination cooling water tank.
As a further improvement of the utility model, the top of the desalination cooling water tank is provided with a pipeline with a nitrogen sealing door and a manual gate valve, and the nitrogen filling and corrosion prevention of the inside of the desalination cooling water tank are realized by adjusting the manual gate valve and the nitrogen sealing door.
Compared with the prior art, the utility model has the advantages that:
according to the closed water system of the waste incineration power plant, the low-temperature condensed water generated by the condenser and the high-temperature desalting cooling water flowing through the heat dissipation unit are subjected to heat exchange in the lithium bromide unit, the condensed water after temperature rise is conveyed into the deaerator to serve as hot water for supplementing the deaerator, the desalted cooling water after temperature reduction enters the desalted cooling water tank to serve as cooling water of the heat dissipation unit, the lithium bromide unit is used for replacing the existing plate-type heat exchanger, the heat exchange effect is excellent, the condensed water is used for replacing industrial water to serve as the supplementing hot water of the deaerator, water resources are saved, the quality of hot water entering the deaerator is provided, and the service life of the deaerator is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a closed water system of a refuse incineration power plant.
Legend description: 1. a condenser; 2. a deaerator; 3. a filter assembly; 31. a filter; 32. a filter screen; 4. an electric valve; 5. a lithium bromide unit; 6. a desalting cooling water tank; 7. a manual valve; 8. a pressure regulating valve; 9. nitrogen sealing door; 10. a manual gate valve; 11. a manual butterfly valve; 12. a water pump; 13. an electric butterfly valve; 14. a trench; 15. a first heat dissipation unit; 16. a second heat dissipation unit; 17. and a third heat radiating unit.
Detailed Description
The utility model is further described below in connection with the drawings and the specific preferred embodiments, but the scope of protection of the utility model is not limited thereby.
Examples
As shown in fig. 1, the closed water system of the refuse incineration power plant of the present utility model comprises: condenser 1, deaerator 2, lithium bromide unit 5, desalination cooling water tank 6 and heat dissipation unit. The output port of the condenser 1 is communicated with the input port of one end of the lithium bromide unit 5 through a connecting pipeline with a valve, and the output port of one end of the lithium bromide unit 5 is communicated with the input port of the deaerator 2 through a connecting pipeline with a valve. The output port of the desalting cooling water tank 6 is communicated with the input port of the radiating unit through a connecting pipeline with a valve, and the desalting cooling water in the desalting cooling water tank 6 is conveyed into the radiating unit so as to take away the heat emitted by the radiating unit; the output port of the heat radiating unit is communicated with the input port of the other end of the lithium bromide unit 5 through a connecting pipeline with a valve, and the output port of the other end of the lithium bromide unit 5 is communicated with the input port of the desalting cooling water tank 6 through a connecting pipeline with a valve. The condensation water output by the condenser 1 exchanges heat with the desalting cooling water flowing through the heat radiating unit in the lithium bromide unit 5, the condensation water after temperature rise enters the deaerator 2, and the desalting cooling water after temperature reduction enters the desalting cooling water tank 6.
In this embodiment, through carrying out the heat transfer in lithium bromide unit 5 with the low temperature condensate water that condenser 1 produced and the high temperature desalination cooling water after flowing through the heat dissipation unit, the condensate water after the intensification is carried to deaerator 2, as the hot water of supplementary deaerator 2, the desalination cooling water after the cooling gets into in the desalination cooling water tank 6, as the cooling water of heat dissipation unit, utilize lithium bromide unit 5 to replace current plate heat exchanger, the heat transfer effect is excellent, utilize the condensate water to replace the industrial water as the supplementary hot water of deaerator, both practiced thrift the water resource, provided the hot water quality of entering deaerator again, be favorable to prolonging deaerator's life.
As shown in fig. 1, in this embodiment, a filter assembly 3 is further disposed on a connection pipeline between an output port of the condenser 1 and an input port of one end of the lithium bromide unit 5, and the filter assembly 3 is used for filtering condensed water output by the condenser 1.
In this embodiment, as shown in fig. 1, the filter assembly 3 includes a filter 31 and a filter screen 32, and the condensed water output from the condenser 1 flows through the filter screen 32 and the filter 31 in sequence and then is input into the lithium bromide unit 5. Through setting up filter 31 and filter screen 32, with the particulate impurity filtering clean in the condensate water, improve the condensate water quality that gets into in the lithium bromide unit 5, be favorable to prolonging the life of lithium bromide unit 5.
In the present embodiment, the heat dissipating unit includes a first heat dissipating unit 15, a second heat dissipating unit 16, and a third heat dissipating unit 17, and the first heat dissipating unit 15, the second heat dissipating unit 16, and the third heat dissipating unit 17 are connected in parallel. The desalting cooling water entering the three radiating units is independently controlled so as to improve the cooling efficiency.
Further, the first heat dissipation unit 15 includes a primary air blower, a secondary air blower, a shaft air cooler, an air compressor and a cooling dryer; the second heat dissipation unit 16 comprises a hydraulic device and a furnace wall induced draft fan; the third heat radiating unit 17 includes a water feed pump and an induced draft fan. The components are conventional components in the waste incineration power plant, a large amount of heat is easy to generate in the operation process, and the temperature is reduced through desalting cooling water, so that the operation stability of equipment is improved, and the operation stability of the whole waste incineration power plant is improved.
As shown in fig. 1, in this embodiment, a manual butterfly valve 11, a water pump 12, an electric butterfly valve 13 and a manual butterfly valve 11 are sequentially disposed on an output main pipeline of a desalination cooling water tank 6, desalination cooling water in the desalination cooling water tank 6 is pumped into the output main pipeline by the water pump 12, redistributed to a first heat dissipation unit 15, a second heat dissipation unit 16 and a third heat dissipation unit 17, and the desalination cooling water flowing through the first heat dissipation unit 15, the second heat dissipation unit 16 and the third heat dissipation unit 17 is collected into the main pipeline and finally enters a lithium bromide unit 5 for heat exchange. Corresponding control valves are arranged on the branch input pipelines and the branch output pipelines of the first radiating unit 15, the second radiating unit 16 and the third radiating unit 17 so as to input desalted cooling water into the corresponding radiating units according to actual cooling requirements. Further, a pipeline connected with the trench 14 is also arranged on the main pipeline for input and output, so that the desalting cooling water in the main pipeline is conveniently discharged into the trench to adapt to emergency conditions.
In this embodiment, the connection pipeline between the output port of the condenser 1 and the input port of one end of the lithium bromide unit 5, and the connection pipeline between the output port of one end of the lithium bromide unit 5 and the input port of the deaerator 2 are all provided with the electric valve 4, and the on-off of the connection pipeline is automatically controlled through the electric valve 4.
In this embodiment, the connection pipeline between the output port of the heat dissipating unit and the input port of the other end of the lithium bromide unit 5, and the connection pipeline between the output port of the other end of the lithium bromide unit 5 and the input port of the desalination cooling water tank 6 are both provided with an electric valve 4, and the connection and disconnection of the connection pipeline are automatically controlled by the electric valve 4.
In this embodiment, the upper portion of the desalination cooling water tank 6 is connected with an external water supplementing tank through a pipeline with an electric valve 4 and a manual valve 7, so as to supplement desalination cooling water in the desalination cooling water tank 6, so as to avoid the condition of insufficient water quantity in the desalination cooling water tank 6. The electric valve 4 and the manual valve 7 adopt a standby setting mode to improve the reliability of the system operation.
In this embodiment, a connecting pipe with a pressure regulating valve 8 is arranged at the top of the desalination cooling water tank 6, and the pressure regulating valve 8 is regulated to realize the pressure regulation inside the desalination cooling water tank 6.
In the embodiment, a pipeline with a nitrogen sealing door 9 and a manual gate valve 10 is arranged at the top of the desalination cooling water tank 6, and nitrogen filling and corrosion prevention of the inside of the desalination cooling water tank 6 are realized by adjusting the manual gate valve 10 and the nitrogen sealing door 9. When the operation of the desalination cooling water tank 6 is stopped, nitrogen is filled into the desalination cooling water tank 6 by adjusting the manual gate valve 10 and the nitrogen seal door 9 so as to prevent the inner wall of the desalination cooling water tank 6 from being corroded by brine.
In this embodiment, the lower part of the desalination cooling water tank 6 is provided with a connecting pipeline, and the connecting pipeline can be connected with the trench 14, so that the desalination cooling water tank 6 can be discharged in emergency during desalination cooling, and can also be used as a sampling port, thereby facilitating the sampling analysis of staff.
While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Any person skilled in the art can make many possible variations and modifications to the technical solution of the present utility model or equivalent embodiments using the method and technical solution disclosed above without departing from the spirit and technical solution of the present utility model. Therefore, any simple modification, equivalent substitution, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model, which do not depart from the technical solution of the present utility model, still fall within the scope of the technical solution of the present utility model.
Claims (10)
1. A closed water system of a waste incineration power plant, comprising: the device comprises a condenser (1), a deaerator (2), a lithium bromide unit (5), a desalting cooling water tank (6) and a heat radiating unit; the output port of the condenser (1) is communicated with the input port of one end of the lithium bromide unit (5) through a connecting pipeline with a valve, and the output port of one end of the lithium bromide unit (5) is communicated with the input port of the deaerator (2) through a connecting pipeline with a valve; the output port of the desalting cooling water tank (6) is communicated with the input port of the radiating unit through a connecting pipeline with a valve, the desalting cooling water in the desalting cooling water tank (6) is conveyed into the radiating unit so as to take away the heat emitted by the radiating unit, the output port of the radiating unit is communicated with the input port of the other end of the lithium bromide unit (5) through a connecting pipeline with a valve, and the output port of the other end of the lithium bromide unit (5) is communicated with the input port of the desalting cooling water tank (6) through a connecting pipeline with a valve; the condensation water output by the condenser (1) exchanges heat with the desalting cooling water flowing through the heat dissipation unit in the lithium bromide unit (5), the condensation water after temperature rise enters the deaerator (2), and the desalting cooling water after temperature reduction enters the desalting cooling water tank (6).
2. The closed water system of the waste incineration power plant according to claim 1, wherein a filter assembly (3) is further arranged on a connecting pipeline of an output port of the condenser (1) and an input port of one end of the lithium bromide unit (5), and the filter assembly (3) is used for filtering condensed water output by the condenser (1).
3. The closed water system of the waste incineration power plant according to claim 2, wherein the filtering assembly (3) comprises a filter (31) and a filter screen (32), and condensed water output by the condenser (1) sequentially flows through the filter screen (32) and the filter (31) and then is input into the lithium bromide unit (5).
4. The closed water system of a waste incineration power plant according to claim 2, characterised in that the heat dissipating units comprise a first heat dissipating unit (15), a second heat dissipating unit (16) and a third heat dissipating unit (17), the first heat dissipating unit (15), the second heat dissipating unit (16) and the third heat dissipating unit (17) being connected in parallel.
5. The closed water system of a waste incineration power plant according to claim 4, characterised in that the first heat radiating unit (15) comprises a primary fan, a secondary fan, a shaft air cooler, an air compressor and a cold dryer; the second heat radiating unit (16) comprises a hydraulic device and a furnace wall induced draft fan; the third heat radiating unit (17) comprises a water feeding pump and an induced draft fan.
6. The closed water system of a waste incineration power plant according to any one of claims 1 to 5, wherein the connecting pipeline of the output port of the condenser (1) and the input port of one end of the lithium bromide unit (5) and the connecting pipeline of the output port of one end of the lithium bromide unit (5) and the input port of the deaerator (2) are respectively provided with an electric valve (4).
7. The closed water system of a waste incineration power plant according to any one of claims 1 to 5, wherein the connection pipeline of the output port of the heat radiation unit and the input port of the other end of the lithium bromide unit (5) and the connection pipeline of the output port of the other end of the lithium bromide unit (5) and the input port of the desalting cooling water tank (6) are respectively provided with an electric valve (4).
8. Closed water system of a waste incineration power plant according to any one of the claims 1 to 5, characterised in that the de-salted cooling water tank (6) is connected with an external water replenishment tank via a pipeline with an electric valve (4) and a manual valve (7) for replenishing de-salted cooling water in the de-salted cooling water tank (6).
9. The closed water system of a waste incineration power plant according to any one of the claims 1 to 5, characterised in that the top of the desalination cooling water tank (6) is provided with a connecting pipe with a pressure regulating valve, which is regulated to achieve pressure regulation inside the desalination cooling water tank (6).
10. The closed water system of a waste incineration power plant according to any one of claims 1 to 5, wherein the top of the desalination cooling water tank (6) is provided with a pipeline with a nitrogen sealing door (9) and a manual gate valve (10), and the nitrogen filling and corrosion prevention of the inside of the desalination cooling water tank (6) are realized by adjusting the manual gate valve (10) and the nitrogen sealing door (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321829108.2U CN220417721U (en) | 2023-07-12 | 2023-07-12 | Closed water system of waste incineration power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321829108.2U CN220417721U (en) | 2023-07-12 | 2023-07-12 | Closed water system of waste incineration power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220417721U true CN220417721U (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321829108.2U Active CN220417721U (en) | 2023-07-12 | 2023-07-12 | Closed water system of waste incineration power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220417721U (en) |
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2023
- 2023-07-12 CN CN202321829108.2U patent/CN220417721U/en active Active
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