CN206989503U - Steam power plant's generating set circulation cooling water heat recovering system - Google Patents
Steam power plant's generating set circulation cooling water heat recovering system Download PDFInfo
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- CN206989503U CN206989503U CN201720950368.3U CN201720950368U CN206989503U CN 206989503 U CN206989503 U CN 206989503U CN 201720950368 U CN201720950368 U CN 201720950368U CN 206989503 U CN206989503 U CN 206989503U
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- water
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- cooling water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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Abstract
The utility model discloses a kind of steam power plant's generating set to circulate cooling water heat recovering system, including water source heat pump units, heat-exchange system and first circulation water pump, the evaporator of water source heat pump units is connected with cooling water backwater main pipe, and cooling water return pipe of the cooling water backwater main pipe respectively with oil cooler, air cooler, exciter is connected；The condenser of water source heat pump units is connected by the outlet pipe of the first hot water return pipe and condenser；Heat-exchange system includes heat exchanger, and the side of heat exchanger is connected by circulating water pipe with the outlet pipe of generating set circulation pump, and opposite side is connected with cooling water backwater main pipe；Recirculated cooling water after cooling is delivered to pond of cooling tower by water source heat pump units by coolant outlet hose road；High-temperature water is also delivered into water heater or initial station by water source heat pump units by outlet pipe of the hot water delivery pipe road through condenser.The utility model improves calorific efficiency of heat power station, reduces heating steam consumption, realizes the cascade utilization of energy.
Description
Technical field
It the utility model is related to a kind of steam power plant's generating set circulation cooling water heat recovering system.
Background technology
As China industrializes, the deep propulsion of urbanization, energy consumption continues to increase, prevention and control of air pollution pressure
Continue to increase, energy crisis and environmental degradation are more and more prominent.Energy-conservation have become after coal, electric power, oil and natural gas it
" the 5th energy " afterwards.
Only have 35% or so to be changed into electric energy in the fuel combustion gross calorific power of thermal power plant, and more than 60% heat energy is main
Scattered by the recirculated cooling water of boiler chimney and turbine condenser into environment.Wherein, various circulating cooling water consumptions
Heat is discharged into air through cooling tower, causes the waste of the energy and obvious environment heat affecting.Due to the temperature of recirculated cooling water
Low (20~35 DEG C of winter, 25~45 DEG C of summer) is spent, belongs to less than 50 DEG C of low-grade heat source, it is reclaimed using conventional meanses
What is utilized is less efficient, so the recycling to this portion of energy does not cause enough attention for a long time, not only causes
Substantial amounts of energy dissipation, and exacerbate environmental pollution.Therefore, how to realize and profit is reclaimed to the heat of recirculated cooling water
With being very important.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of steam power plant's generating set circulation cooling
Water heat recovery system, calorific efficiency of heat power station is improved, reduce heating steam consumption, realize the cascade utilization of energy.
Technical scheme is used by the utility model：
A kind of steam power plant's generating set circulates cooling water heat recovering system, including water source heat pump units, heat-exchange system and
First circulation water pump, water source heat pump units include compressor, evaporator and condenser, and the evaporator of the water source heat pump units connects
Cooling water backwater main pipe is connected to, the cooling water backwater main pipe is returned with the recirculated cooling water of oil cooler, air cooler, exciter respectively
Water pipe connects；The condenser of the water source heat pump units is connected by the outlet pipe of the first hot water return pipe and condenser, described
First circulation water pump is arranged on the first hot water return pipe；The heat-exchange system is arranged in jetting pond, the heat-exchange system bag
Include heat exchanger, the outlet pipe that the side of the heat exchanger circulates pump by circulating water pipe with generating set is connected, opposite side with it is cold
But water backwater main pipe connects；Recirculated cooling water after cooling is delivered to by the water source heat pump units by coolant outlet hose road
Pond of cooling tower；The water source heat pump units also by outlet pipe of the hot water delivery pipe road through condenser by high-temperature water be delivered into
Water heater or initial station.
Further, it is provided with screen pack on the circulating water pipe.
Further, the both sides of the screen pack are respectively arranged with valve.
Further, a bypass conduit is provided with the circulating water pipe, the bypass conduit is connected across the two of screen pack
End.
Further, two valves are provided with the bypass conduit.
Further, it is respectively arranged with valve on the circulating water pipe, the first hot water return pipe and hot water delivery pipe road.
Further, the heat-exchange system also includes two second circulation water pumps, and one end of the heat exchanger passes through second
Water circulating pump and valve are connected with the other end.
Further, the outlet pipe of the condenser is also connected by the second hot water return pipe with cooling water backwater main pipe,
Valve is provided with second hot water return pipe.
Further, in addition to control panel, water source heat pump units, first circulation water pump are controlled by control panel and changed
The operation of hot device.
Further, it is provided with valve on the outlet pipe of the condenser.
Compared with prior art, the beneficial effects of the utility model are：
The utility model is using in water source heat pump units and cooling water backwater main pipe recovery oil cooler, air cooler, exciter
The waste heat of recirculated cooling water, meanwhile, the recirculated cooling water of generator circulating pump output is heated using heat exchanger, then passes through cooling
The heat of water backwater main pipe and the heated Posterior circle cooling water of water source heat pump units recovery, using water source heat pump units condenser to solidifying
The output warm water of vapour device is heated, and outlet pipeline of the high-temperature water after heating through condenser is delivered to water heater or initial station, carries
High calorific efficiency of heat power station, reduces heating steam consumption, realizes the cascade utilization of energy, and the utility model is simple to operate,
It is easy to maintenance.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the utility model embodiment；
Wherein, 1, water source heat pump units, 2, cooling water backwater main pipe, 3, the cooling water return pipe of oil cooler, 4, empty
The cooling water return pipe of cooler, 5, the cooling water return pipe of exciter, 6, heat exchanger, 7, second circulation water pump, 8,
First hot water return pipe, 9, first circulation water pump, 10, generating set circulation pump, 11, pond of cooling tower, 12, condenser, 13, the
Two hot water return pipes, 14, hot water delivery pipe road, 15, coolant outlet hose road, 16, circulating water pipe, 17, screen pack, 18, valve,
19th, bypass conduit, 20, water heater, 21, initial station.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in figure 1, present embodiments providing a kind of steam power plant's generating set circulation cooling water heat recovering system, this is
System includes water source heat pump units 1, heat-exchange system and first circulation water pump 9, wherein, water source heat pump units 1 include compressor, evaporation
Device and condenser, the evaporator of the water source heat pump units 1 are connected with cooling water backwater main pipe 2, the cooling water backwater main pipe 2
Cooling water return pipe 3 with oil cooler, the cooling water return pipe 4 of air cooler, the recirculated cooling water of exciter respectively
Return pipe 5 connects；The condenser of the water source heat pump units 1 is connected by the outlet pipe of the first hot water return pipe 8 and condenser 12
Connect, the first circulation water pump 9 is arranged on the first hot water return pipe 8；The heat-exchange system is arranged in jetting pond, described to change
Hot systems include heat exchanger 6 and two second circulation water pumps 7, and one end of the heat exchanger 6 passes through second circulation water pump 7 and valve
It is connected with the other end；The outlet pipe that the side of the heat exchanger 6 circulates pump 10 by circulating water pipe 16 with generating set is connected, separately
Side is connected with cooling water backwater main pipe 2, and screen pack 17, the both sides difference of the screen pack are provided with the circulating water pipe 16
Valve 18 is provided with, a bypass conduit 19 is provided with the circulating water pipe, the bypass conduit 19 is connected across screen pack 18
Both ends, two valves are provided with the bypass conduit 19；The water source heat pump units 1 will be dropped by coolant outlet hose road 15
Recirculated cooling water after temperature is delivered to pond of cooling tower 11；The water source heat pump units 1 are also by hot water delivery pipe road 14 through solidifying
High-temperature water is delivered into water heater 20 or initial station 21 by the outlet pipe of vapour device.
Further to optimize above-described embodiment, in circulating water pipe 16, the first hot water return pipe 8, the and of hot water delivery pipe road 14
Valve is respectively arranged with the outlet pipe of the condenser.
For further optimization above-described embodiment, the outlet pipe of condenser is returned by the second hot water return pipe 13 with cooling water
Jellyfish pipe 2 is connected, and valve is provided with second hot water return pipe 13.
Also include control panel for further optimization above-described embodiment, the system, water resource heat pump is controlled by control panel
The operation of unit, first circulation water pump and heat exchanger.Control panel uses prior art, and the application repeats no more.
The operation principle for the steam power plant generating set circulation cooling water heat recovering system that the present embodiment provides is：
Generator oil cooler, air cooler, the road recirculated cooling water of exciter three are delivered to by cooling water return pipe
Cooling water backwater main pipe 2, recirculated cooling water is delivered to the evaporator of water source heat pump units 1 by cooling water backwater main pipe 2, through water source
Recirculated cooling water after the evaporator cooling of source pump 1 is delivered in pond of cooling tower 11 through coolant outlet hose road；Simultaneously
Generating set is circulated into recirculated cooling water in pump 10 and is delivered to the heat exchanger 6 in generator jetting pond through circulating water pipe 16,
Recirculated cooling water after heat exchanger 6 is heated will be followed by Pipeline transport to cooling water backwater main pipe 1, cooling water backwater main pipe again
Ring cooling water is delivered to the evaporator of water source heat pump units 1, the recirculated cooling water after the evaporator cooling of water source heat pump units
It is delivered to through coolant outlet hose road in pond of cooling tower 11；Water at low temperature is through the first hot water backwater from the outlet pipe of condenser 12
Pipe 8 and first circulation water pump 9 are delivered to the condenser of water source heat pump units 1, after the condenser heating of water source heat pump units 1
Outlet pipe of the high-temperature water through hot water delivery pipe road 14, condenser is delivered to water heater 20 or initial station 21.
Oil cooler, air cooler, exciter produce recirculated cooling water, water-carrying capacity 300m3/ h, 30 DEG C of circulating cooling coolant-temperature gage,
Circulating cooling coolant-temperature gage is dropped to 20 DEG C by the evaporator of water source heat pump units by 30 DEG C, returns to Water tower pool, obtains the heat of heat
The hot water that condenser exports is heated to 68 DEG C by pump assembly condenser by 62 DEG C, per hour can flow heated water amount 728m3/h。
It is not new to this practicality although above-mentioned specific embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deformation still in protection model of the present utility model
Within enclosing.
Claims (10)
1. a kind of steam power plant's generating set circulates cooling water heat recovering system, it is characterized in that, including water source heat pump units, heat exchange
System and first circulation water pump, water source heat pump units include compressor, evaporator and condenser, the steaming of the water source heat pump units
Hair device is connected with cooling water backwater main pipe, and the cooling water backwater main pipe is cold with the circulation of oil cooler, air cooler, exciter respectively
But water return pipe connects；The condenser of the water source heat pump units is connected by the outlet pipe of the first hot water return pipe and condenser
Connect, the first circulation water pump is arranged on the first hot water return pipe；The heat-exchange system is arranged in jetting pond, the heat exchange
System includes heat exchanger, and the side of the heat exchanger is connected by circulating water pipe with the outlet pipe of generating set circulation pump, another
Side is connected with cooling water backwater main pipe；The water source heat pump units are by coolant outlet hose road by the recirculated cooling water after cooling
It is delivered to pond of cooling tower；The water source heat pump units are also defeated by high-temperature water by outlet pipe of the hot water delivery pipe road through condenser
Deliver into water heater or initial station.
2. a kind of steam power plant's generating set circulation cooling water heat recovering system according to claim 1, it is characterized in that, institute
State and screen pack is provided with circulating water pipe.
3. a kind of steam power plant's generating set circulation cooling water heat recovering system according to claim 2, it is characterized in that, institute
The both sides for stating screen pack are respectively arranged with valve.
4. a kind of steam power plant's generating set circulation cooling water heat recovering system according to claim 2, it is characterized in that, institute
State and a bypass conduit is provided with circulating water pipe, the bypass conduit is connected across the both ends of screen pack.
5. a kind of steam power plant's generating set circulation cooling water heat recovering system according to claim 4, it is characterized in that, institute
State and two valves are provided with bypass conduit.
6. a kind of steam power plant's generating set circulation cooling water heat recovering system according to claim 1, it is characterized in that, institute
State and be respectively arranged with valve on circulating water pipe, the first hot water return pipe and hot water delivery pipe road.
7. a kind of steam power plant's generating set circulation cooling water heat recovering system according to claim 1, it is characterized in that, institute
Stating heat-exchange system also includes two second circulation water pumps, one end of the heat exchanger by second circulation water pump and valve with it is another
End connection.
8. a kind of steam power plant's generating set circulation cooling water heat recovering system according to claim 1, it is characterized in that, institute
The outlet pipe for stating condenser is also connected by the second hot water return pipe with cooling water backwater main pipe, on second hot water return pipe
It is provided with valve.
9. a kind of steam power plant's generating set circulation cooling water heat recovering system according to claim 1, it is characterized in that, also
Including control panel, the operation of water source heat pump units, first circulation water pump and heat exchanger is controlled by control panel.
10. a kind of steam power plant's generating set circulation cooling water heat recovering system according to claim 1, it is characterized in that,
Valve is provided with the outlet pipe of the condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720950368.3U CN206989503U (en) | 2017-08-01 | 2017-08-01 | Steam power plant's generating set circulation cooling water heat recovering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720950368.3U CN206989503U (en) | 2017-08-01 | 2017-08-01 | Steam power plant's generating set circulation cooling water heat recovering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206989503U true CN206989503U (en) | 2018-02-09 |
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ID=61417656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720950368.3U Active CN206989503U (en) | 2017-08-01 | 2017-08-01 | Steam power plant's generating set circulation cooling water heat recovering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206989503U (en) |
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2017
- 2017-08-01 CN CN201720950368.3U patent/CN206989503U/en active Active
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