CN115235177A - Cooling water circulation system and garbage power station - Google Patents
Cooling water circulation system and garbage power station Download PDFInfo
- Publication number
- CN115235177A CN115235177A CN202210873111.8A CN202210873111A CN115235177A CN 115235177 A CN115235177 A CN 115235177A CN 202210873111 A CN202210873111 A CN 202210873111A CN 115235177 A CN115235177 A CN 115235177A
- Authority
- CN
- China
- Prior art keywords
- water
- cooling tower
- cooling
- circulation system
- condenser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
Abstract
The invention discloses a cooling water circulation system and a garbage power station, wherein the cooling water circulation system comprises a condenser and a cooling tower, the water outlet of a cooling tower pool of the cooling tower is higher than the water inlet of the condenser, a preset height difference is formed between the position of the water outlet of the cooling tower pool of the cooling tower and the position of the water inlet of the condenser, the water outlet of the condenser is connected with a first water supply pipeline and a second water supply pipeline in parallel through a pumping device, the first water supply pipeline is connected with a water spraying system of the cooling tower, the second water supply pipeline is communicated with the cooling tower pool, and a heat pump system is connected to the second water supply pipeline in series; the cooling water circulation system is designed by presetting the height difference between the cooling tower and the condenser, so that the load of the increase of the height of the cooling tower on the increase of the pumping device is smaller than the load of the increase of the resistance brought by the water supply and return pipeline and the condenser, the power consumption of the pumping device is reduced, meanwhile, the heat in the cooling water can be recovered by the heat pump system, and the purposes of saving energy and improving the energy utilization rate are achieved.
Description
Technical Field
The invention relates to the technical field of waste incineration power generation, in particular to a cooling water circulation system and a waste power station.
Background
At present, a main stream process of a cooling water circulation system of a host machine of a waste incineration power plant adopts a secondary circulation water supply system with a mechanical ventilation cooling tower, a circulation water pump is arranged underground in a comprehensive water pump room, resistance of a water supply return pipeline and a condenser and the like need to be overcome by the circulation water pump, power consumption can be increased, and energy waste is caused due to the fact that the heat of return water of the circulation water passes through the evaporation loss of the cooling tower.
Disclosure of Invention
In view of the above, a first objective of the present invention is to provide a cooling water circulation system to reduce the resistance of the water supply and return pipeline and the condenser that the circulating water pump needs to overcome, reduce power consumption, and achieve heat recovery of the circulating water to save energy.
The second purpose of the invention is to provide a garbage power station of the cooling water circulation system.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a cooling water circulation system for rubbish power station, includes condenser and cooling tower, the delivery port position of the cooling tower pond of cooling tower is higher than the water inlet position of condenser, just the delivery port position of the cooling tower pond of cooling tower with preset difference in height has between the water inlet position of condenser, the delivery port of condenser passes through pumping installations and has first water supply pipe and second water supply pipe in parallel, first water supply pipe with the trickle water headtotail of cooling tower, the second water supply pipe with the water inlet intercommunication in the cooling tower pond of cooling tower, the second water supply pipe is established ties on the road has heat pump system.
Optionally, the preset height difference is 8m to 10m.
Optionally, the pumping device comprises:
the water outlet of the condenser is communicated with the water collecting tank;
the water pump comprises a pump room, wherein a circulating water pump is arranged in the pump room, a water inlet of the circulating water pump is arranged in the water collecting pool, and a water outlet of the circulating water pump is connected with the first water supply pipeline and the second water supply pipeline respectively.
Optionally, a control valve is arranged at a water inlet of the circulating water pump, and a flow meter is arranged at a water outlet of the circulating water pump.
Optionally, a control valve is provided on the first water supply line.
Optionally, the heat pump system includes a heat pump workshop, a flow measuring well and a valve well, and the valve well, the flow measuring well and the heat pump workshop are connected in series in sequence along a water flow direction.
Optionally, the heat pump plant employs an absorption heat pump.
Optionally, the inlet and the outlet of the absorption heat pump are respectively provided with a temperature detection device.
Optionally, the cooling tower is a fog dispersal and noise reduction type mechanical ventilation cooling tower.
A waste power plant comprising a cooling water circulation system as claimed in any one of the preceding claims.
According to the technical scheme, the cooling water circulation system for the garbage power station comprises a condenser and a cooling tower, wherein the position of a water outlet of a cooling tower water pool of the cooling tower is higher than the position of a water inlet of the condenser, a preset height difference is formed between the position of the water outlet of the cooling tower water pool of the cooling tower and the position of the water inlet of the condenser, the water outlet of the condenser is connected with a first water supply pipeline and a second water supply pipeline in parallel through a pumping device, the first water supply pipeline is connected with a water spraying system of the cooling tower, the second water supply pipeline is communicated with the water inlet of the cooling tower water pool of the cooling tower, and a heat pump system is connected to the second water supply pipeline in series; when using, utilize the difference in height of cooling tower and condenser to make the cooling water that flows to the condenser from the cooling tower have gravitational potential energy, utilize gravitational potential energy to overcome and supply the return water pipe, the resistance that the condenser brought, reduce pumping installations's load, through the design to predetermine the difference in height between cooling tower and the condenser, can make because the increase of cooling tower height is less than and supplies the return water pipe, the load that the resistance that the condenser brought increases, thereby reduce pumping installations's power consumption, can retrieve the heat in the cooling water through heat pump system simultaneously, reach the energy saving, improve energy utilization's purpose.
The embodiment of the invention also provides a garbage power station, which comprises the cooling water circulation system, and the garbage power station has the same beneficial effects as the cooling water circulation system due to the adoption of the cooling water circulation system, and the details are not repeated herein.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a cooling water circulation system disclosed in an embodiment of the present invention.
In the figure, 1 is a condenser; 101 is the water inlet of the condenser; 102 is a water outlet of a condenser; 2 is a cooling tower; 201 is a water spraying system; 202 is a cooling tower water tank; 3 is a water collecting tank; 4 is a pump room; 5 is a circulating water pump; 501 is the water inlet of the circulating water pump; 6. 9 and 14 are control valves; 7 is a flowmeter; 8 is a first water supply line; 10 is a second water supply pipeline; 11 is a valve well; 12 is a flow measuring well; and 13 is a heat pump workshop.
Detailed Description
The invention discloses a cooling water circulation system, which has the structural design that the resistance brought by a water supply and return pipeline and a condenser which need to be overcome by a circulating water pump can be reduced, the power consumption is reduced, the heat recovery of circulating water is realized, and the energy is saved.
The invention also discloses a garbage power station of the cooling water circulation system.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1, fig. 1 is a schematic structural diagram of a cooling water circulation system disclosed in an embodiment of the present invention.
The embodiment of the invention discloses a cooling water circulation system for a garbage power station, which comprises a condenser 1 and a cooling tower 2.
Wherein, the delivery port position of the cooling tower pond 202 of cooling tower 2 is higher than the water inlet 101 position of condenser 1, and the delivery port position of the cooling tower pond 202 of cooling tower 2 and the water inlet 101 position of condenser 1 have preset difference in height, the difference in height between cooling tower 2 and the condenser 1 can be realized by utilizing topography, for example when being applied to mountain area garbage power station, can utilize mountain area topography to realize the difference in height, the delivery port 102 of condenser 1 is parallelly connected with first water supply pipeline 8 and second water supply pipeline 10 through pumping device, first water supply pipeline 8 is connected with the water drenching system 201 of cooling tower 2, second water supply pipeline 10 communicates with the water inlet of the cooling tower pond 202 of cooling tower 2, it has the heat pump system to establish ties on the second water supply pipeline 10.
Compared with the prior art, when the cooling water circulation system provided by the embodiment of the invention is applied, the cooling water flowing from the cooling tower 2 to the condenser 1 has gravitational potential energy by utilizing the height difference between the cooling tower 2 and the condenser 1, the resistance brought by the water supply and return pipeline and the condenser 1 is overcome by utilizing the gravitational potential energy, the load of the pumping device is reduced, the load increased to the pumping device due to the increase of the height of the cooling tower 2 is smaller than the load increased by the resistance brought by the water supply and return pipeline and the condenser 1 by the design of presetting the height difference between the cooling tower 2 and the condenser 1, so that the power consumption of the pumping device is reduced, meanwhile, the heat in the cooling water can be recovered by the heat pump system, and the purposes of saving energy and improving the energy utilization rate are achieved.
It should be noted that the preset height difference cannot be too large, and the load of the pumping device is increased due to the too large preset height difference, so that the purpose of reducing the load of the pumping device cannot be achieved, in the embodiment of the present invention, the preset height difference is 8m to 10m.
Preferably, as shown in fig. 1, the pumping device includes a water collecting tank 3 and a pump room 4, wherein a water outlet 102 of the condenser 1 is communicated with the water collecting tank 3; a circulating water pump 5 is arranged in the pump room 4, a water inlet 501 of the circulating water pump 5 is arranged in the water collecting tank 3, and a water outlet of the circulating water pump 5 is respectively connected with the first water supply pipeline 8 and the second water supply pipeline 10.
Further, as shown in fig. 1, in the pump room 4, a control valve 6 is disposed at a water inlet 501 of the circulating water pump 5, and a flow meter 7 is disposed at a water outlet of the circulating water pump 5, so that when in use, the flow meter 7 and the control valve 6 can cooperate with each other to control the flow rate of the cooling water.
Preferably, the first water supply line 8 is provided with a control valve 9, and the control valve 9 can realize the opening and closing of the first water supply line 8 and the adjustment of the flow rate.
As shown in fig. 1, in the embodiment of the present invention, the heat pump system includes a heat pump workshop 13, a flow measuring well 12 and a valve well 11, the flow measuring well 12 and the heat pump workshop 13 are sequentially connected in series along a water flow direction, the heat pump workshop 13 employs an absorption heat pump, an inlet and an outlet of the absorption heat pump are respectively provided with a temperature detection device, when heating is needed in winter, the valve well 11 can be opened, a circulating water flow rate is monitored through the flow measuring well 12, the temperature detection device detects a circulating water temperature, openings of the valve well 11 and a control valve of the first water supply line 8 are adjusted, the circulating water pump 5 and the cooling tower 2 are reasonably started and stopped, recycling of circulating water heat is realized, electricity is saved, energy utilization rate is increased, circulating water directly enters the cooling tower water pool 202 for reuse after absorption by the heat pump, evaporation and air blowing losses of the cooling tower 2 are greatly reduced, and a water make-up amount of circulating water is reduced; the circulating water is not cooled by the cooling tower 2, so that the damage of freezing of the water spraying filler when the cooling tower 2 operates in winter in cold areas is avoided.
Preferably, the cooling tower 2 is a fog-dissipation noise-reduction type mechanical ventilation cooling tower 2, and the cooling tower 2 can eliminate the influence of rain, fog, drift and drop at the outlet of a fan of the cooling tower 2, enhance the overall visual aesthetic feeling of the waste incineration power plant, remove industrialization, and save the water consumption of the cooling tower 2 and the water intake of raw water by about 15%.
Further, a control valve 14 is arranged at the water outlet of the cooling tower water pool 202 to control the flow rate of the circulating water flowing from the cooling tower water pool 202 to the condenser 1.
An embodiment of the present invention further provides a garbage power station, where the garbage power station includes the cooling water circulation system according to the above embodiment, and the cooling water circulation system according to the above embodiment is adopted, so that the technical effect of the garbage power station refers to the above embodiment.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a cooling water circulation system, is used for the rubbish power station, its characterized in that, includes condenser and cooling tower, the delivery port position of the cooling tower pond of cooling tower is higher than the water inlet position of condenser, and the delivery port position of the cooling tower pond of cooling tower with preset difference in height has between the water inlet position of condenser, the delivery port of condenser passes through pumping device and has first water supply pipeline and second water supply pipeline in parallel, first water supply pipeline with the water spray system of cooling tower is connected, the second water supply pipeline with the water inlet intercommunication of the cooling tower pond of cooling tower, the second water supply pipeline is established ties and is had heat pump system on the road.
2. The cooling water circulation system according to claim 1, wherein the predetermined height difference is 8m to 10m.
3. The cooling water circulation system according to claim 1, wherein the pumping means comprises:
the water outlet of the condenser is communicated with the water collecting tank;
the water pump comprises a pump room, wherein a circulating water pump is arranged in the pump room, a water inlet of the circulating water pump is arranged in the water collecting pool, and a water outlet of the circulating water pump is connected with the first water supply pipeline and the second water supply pipeline respectively.
4. The cooling water circulation system according to claim 3, wherein a control valve is provided at a water inlet of the circulation water pump, and a flow meter is provided at a water outlet of the circulation water pump.
5. The cooling water circulation system according to any one of claims 1 to 4, wherein a control valve is provided on the first water supply line.
6. The cooling water circulation system according to any one of claims 1 to 4, wherein the heat pump system comprises a heat pump plant, a flow measuring well and a valve well, and the valve well, the flow measuring well and the heat pump plant are connected in series in the water flow direction.
7. The cooling water circulation system according to claim 6, wherein the heat pump plant employs an absorption heat pump.
8. The cooling water circulation system according to claim 7, wherein the inlet and outlet of the absorption heat pump are respectively provided with a temperature detection device.
9. The cooling water circulation system according to any one of claims 1 to 4, 7 and 8, wherein the cooling tower is a fog dispersal and noise reduction type mechanical draft cooling tower.
10. A refuse power plant characterized in that it comprises a cooling water circulation system according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210873111.8A CN115235177A (en) | 2022-07-21 | 2022-07-21 | Cooling water circulation system and garbage power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210873111.8A CN115235177A (en) | 2022-07-21 | 2022-07-21 | Cooling water circulation system and garbage power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115235177A true CN115235177A (en) | 2022-10-25 |
Family
ID=83675650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210873111.8A Pending CN115235177A (en) | 2022-07-21 | 2022-07-21 | Cooling water circulation system and garbage power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115235177A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192564A (en) * | 2011-05-11 | 2011-09-21 | 杭州福鼎节能科技服务有限公司 | Energy-saving improvement method for circulating water supplying and cooling system of central air conditioner |
| CN205002667U (en) * | 2015-09-24 | 2016-01-27 | 中国能源建设集团广东省电力设计研究院有限公司 | Circulating water supply system of high -order cooling tower |
| CN206478896U (en) * | 2017-01-18 | 2017-09-08 | 中机国能电力工程有限公司 | A kind of circulating-water in thermal power plant afterheat utilizing system heated for high-salt wastewater |
| CN210892765U (en) * | 2019-06-14 | 2020-06-30 | 中机国能电力工程有限公司 | Novel power plant circulating water system |
-
2022
- 2022-07-21 CN CN202210873111.8A patent/CN115235177A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192564A (en) * | 2011-05-11 | 2011-09-21 | 杭州福鼎节能科技服务有限公司 | Energy-saving improvement method for circulating water supplying and cooling system of central air conditioner |
| CN205002667U (en) * | 2015-09-24 | 2016-01-27 | 中国能源建设集团广东省电力设计研究院有限公司 | Circulating water supply system of high -order cooling tower |
| CN206478896U (en) * | 2017-01-18 | 2017-09-08 | 中机国能电力工程有限公司 | A kind of circulating-water in thermal power plant afterheat utilizing system heated for high-salt wastewater |
| CN210892765U (en) * | 2019-06-14 | 2020-06-30 | 中机国能电力工程有限公司 | Novel power plant circulating water system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103604244A (en) | Multi-resource low-temperature waste heat comprehensive utilization system | |
| CN101775967A (en) | Energy-saving anti-freezing system for coal mine well port | |
| CN207230997U (en) | A kind of differential pressure flow on-off control system and apply its heat pump | |
| CN106931630B (en) | Novel intelligence hot and cold water mixing constant temperature heat supply device | |
| CN203745866U (en) | Thermal power plant circulating water system | |
| CN115235177A (en) | Cooling water circulation system and garbage power station | |
| CN208939439U (en) | A kind of open air preassembled transformer station | |
| CN107421163A (en) | Air electric energy twin-stage heating and refrigerating system and heating and refrigerating method | |
| CN204880867U (en) | Photovoltaic curtain and two sources heat pump integrated morphology that are fit for in cold areas | |
| CN204478861U (en) | A kind of automatic dust removing open cooling tower | |
| CN111238132A (en) | Energy-saving industrial circulating water system and operation method thereof | |
| CN108253814B (en) | Combined cooling system and cooling method for circulating water of power plant | |
| CN206724390U (en) | The integrated energy system of building field | |
| CN216770251U (en) | Cooling tower for recycling wastewater and zero-discharge cooling system | |
| CN203070055U (en) | Thermal power plant circulating water system | |
| CN202813880U (en) | Multi-condenser combined solar jetting air conditioning unit | |
| CN101865488A (en) | Exhaust residual heat utilizing method for large-capacity heat and power cogeneration concentrated heat supply generator set | |
| CN205676151U (en) | The feedwater of zinc roasting relieving haperacidity, circulation | |
| CN210570082U (en) | Water-saving system of cooling tower of thermal power plant | |
| CN107327311A (en) | A kind of long tunnel source of the gas cooling system | |
| CN207962802U (en) | A kind of indirect air cooling steam turbine high back pressure heating system | |
| CN202719672U (en) | Cold hot water comprehensive energy utilization device | |
| CN207989088U (en) | A kind of air water cooling cooperation increasing steam turbine energy conserving system | |
| CN204460562U (en) | The central air conditioner system of cooling tower waste heat recovery | |
| CN218672673U (en) | Air energy heat pump composite system for continuous heating of drying and breeding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |