CN206531405U - The electricity generation system generated electricity using circulation power surplus - Google Patents
The electricity generation system generated electricity using circulation power surplus Download PDFInfo
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- CN206531405U CN206531405U CN201720255957.XU CN201720255957U CN206531405U CN 206531405 U CN206531405 U CN 206531405U CN 201720255957 U CN201720255957 U CN 201720255957U CN 206531405 U CN206531405 U CN 206531405U
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- heat exchanger
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Abstract
The utility model is related to recirculated water technical field of energy recovery, specifically, is related to a kind of electricity generation system generated electricity using circulation power surplus.It includes water circulating pump, heat exchanger and the cooling tower of pipeline connection successively；Wherein, the water inlet of cooling tower is provided with a return main, and all heat exchangers are connected with return main；Return main's by-passing valve is provided with return main, return main's by-passing valve two ends parallel connection one backwater bypass, backwater bypass includes hydroturbine water intake pipe, hydroturbine water intake valve, the hydraulic turbine, hydraulic turbine outlet pipe and the hydraulic turbine outlet valve being sequentially connected；The hydraulic turbine is used to drive a generator, and generator accesses outside plant by a grid-connection device.The power surplus of circulation can be converted into electric energy, and then preferably reached the purpose of energy-conservation by the utility model to greatest extent preferably after the safe clearance of production equipment is ensured.
Description
Technical field
The utility model is related to recirculated water technical field of energy recovery, specifically, is related to one kind and utilizes circulation
The electricity generation system that power surplus is generated electricity.
Background technology
The recirculating cooling water system of existing industrial production provides power by water circulating pump, draws and cools down from cooling pond
Water, is that the heat exchanger of each production equipment supplies water, and after the cold and hot exchange of each heat exchanger, the hot water after heat exchange is returned by return pipe
After having arrived cooling tower, and the hot cold exchange through cooling tower, return in cooling pond and circulated.
In existing recirculating cooling water system, water circulating pump can place certain safe clearance during multiplication strains,
For ensureing that water circulating pump can be provided which enough pressure of supply waters to each heat exchanger.Recirculated water after heat exchanger still
Can so have certain power surplus, but due to it is all be not that heat exchanger works simultaneously, therefore in a practical situation, recirculated water
Power surplus fluctuation after heat exchange is larger.This power surplus that just directly results in recirculated water is difficult to be recycled, because
It should ensure that the safe clearance of recirculated water carries out reclaiming difficult to realize again to power surplus according to actual condition.
Utility model content
Content of the present utility model is to provide a kind of electricity generation system generated electricity using circulation power surplus, its
Certain or some defects of prior art can be overcome.
According to the electricity generation system of the present utility model generated electricity using circulation power surplus, it includes managing successively
Water circulating pump, heat exchanger and the cooling tower of road connection；Wherein, the water inlet of cooling tower is provided with a return main, all heat exchange
Device is connected with return main；Return main's by-passing valve is provided with return main, return main's by-passing valve two ends are in parallel one time
Water bypass, backwater bypass include be sequentially connected hydroturbine water intake pipe, hydroturbine water intake valve, the hydraulic turbine, hydraulic turbine outlet pipe and
Hydraulic turbine outlet valve；The hydraulic turbine is used to drive a generator, and generator accesses outside plant by a grid-connection device；
The water outlet of water circulating pump is sequentially provided with water pump discharge pressure sensor, exit of pump valve along water (flow) direction, supplied
Supply mains's pressure sensor and supply water temperature sensor, the water inlet of heat exchanger are sequentially provided with heat exchanger import along water (flow) direction
Valve, heat exchanger inlet pressure sensor and heat exchanger inlet temperature sensor, the water outlet of heat exchanger along water (flow) direction successively
Provided with heat exchanger outlet temperature sensor, heat exchanger exit pressure sensor and heat exchanger exit valve, return main is located at backwater
At house steward's by-passing valve prime return water temperature sensor and return main's pressure gauge sensor are sequentially provided with along water (flow) direction；
Exit of pump valve, heat exchanger inlet valve, heat exchanger exit valve, hydroturbine water intake valve, hydraulic turbine outlet valve and backwater
House steward's by-passing valve use magnetic valve, water pump discharge pressure sensor, water main's pressure sensor, supply water temperature sensor,
Heat exchanger inlet pressure sensor, heat exchanger inlet temperature sensor, heat exchanger outlet temperature sensor, heat exchanger exit pressure
The data of sensor, return water temperature sensor and return main's pressure gauge sensor, which become, to be delivered at a control unit, and control is single
Member is used for the data according to reception to exit of pump valve, heat exchanger inlet valve, heat exchanger exit valve, hydroturbine water intake valve, water
Turbine outlet valve and return main's by-passing valve are controlled.
In the electricity generation system of the present utility model generated electricity using circulation power surplus, the institute of any heat exchanger
The heat exchange amount of offer can " W=cm △ t " be obtained, in the formula by formula：" W " by heat exchanger provide change
Heat, unit " J "；" c " is recirculated water specific heat capacity, is certain value, and unit is " J/ (kg DEG C) "；M is to pass through in the unit time
The recycled-water quality of heat exchanger, unit " kg "；" △ t ", are that water inlet and the leaving water temperature of heat exchanger are poor, unit " DEG C ".Due to every
The water inlet of individual heat exchanger and water outlet are equipped with intelligent valve (magnetic valve) and temperature sensor, therefore control unit being capable of root
According to " △ t " and the intelligent valve (magnetic valve) at each heat exchanger is controlled, and then ensure that the equal energy of each heat exchanger
Reach relatively stable and rational heat transfer effect.Similarly, due to being sensed at water circulating pump provided with exit of pump valve and supply water temperature
Provided with return water temperature sensor etc. at device, cooling tower, therefore it can also be controlled by control unit at the heat exchange amount of whole system
In a balance and stable state.
By above-mentioned, the utility model mainly realizes each heat exchanger by the regulation and control to the flow of recirculated water
Or the stabilization of whole system heat exchange amount, with the change of the flow of recirculated water, the power surplus in recirculated water can also produce change；
Wherein, the power surplus of recirculated water, is substantially that the energy deduction obtained at self-loopa water pump (is mainly institute in whole cooling system
By heat exchanger and associated conduit etc.) dump energy after the energy that is lost, and guarantee is subtracted in the power surplus of recirculated water
It is exactly the energy that can be recycled after actually required safe clearance.
Further, since at the water inlet of each heat exchanger and water outlet, the water outlet of water circulating pump and return main
Pressure sensor is equipped with, therefore, it is possible to according to existing formula, calculate the recirculated water in whole system by control unit
Real-time power penalty values, and on the other hand because the power output at water circulating pump can keep constant, therefore control is single
Member can calculate the real-time power surplus in whole system, and control unit can pass through control after safe clearance is deducted afterwards
The folding amount of return main's by-passing valve processed, hydroturbine water intake valve and hydraulic turbine outlet valve, and preferably by for power surplus
Distribute to the hydraulic turbine.
By above-mentioned, the utility model can be preferably after the safe clearance of production equipment be ensured, to greatest extent
The power surplus of circulation is converted into electric energy, and then preferably reached energy-conservation purpose.
Preferably, heat exchanger includes the multiple low level heat exchangers and multiple high-order heat exchangers being connected in parallel, any low level
The water inlet of heat exchanger along water (flow) direction be sequentially provided with low level heat exchanger inlet valve, low level heat exchanger inlet pressure sensor and
Low level heat exchanger inlet temperature sensor, the water outlet of any low level heat exchanger is sequentially provided with low level heat exchanger along water (flow) direction
Outlet temperature sensor, low level heat exchanger exit pressure sensor and low level heat exchanger exit valve；Any high-order heat exchanger enters
At the mouth of a river high-order heat exchanger inlet valve, high-order heat exchanger inlet pressure sensor and high-order heat exchanger are sequentially provided with along water (flow) direction
Inlet temperature sensor, the water outlet of any high-order heat exchanger is sequentially provided with high-order heat exchanger outlet temperature along water (flow) direction and passed
Sensor, high-order heat exchanger exit pressure sensor and high-order heat exchanger exit valve.
Preferably, water circulating pump water inlet is provided with pump inlet valve.
Preferably, the water inlet of cooling tower is provided with back-water valve (BWV).
Brief description of the drawings
Fig. 1 be embodiment 1 in the electricity generation system generated electricity using circulation power surplus schematic diagram；
Fig. 2 be embodiment 1 in hydraulic turbine part schematic diagram；
Fig. 3 be embodiment 1 in hydraulic turbine part top schematic diagram.
Embodiment
To further appreciate that content of the present utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
It should be appreciated that embodiment be only the utility model is explained and and it is non-limiting.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, present embodiments provide and a kind of generated electricity using circulation power surplus
Electricity generation system, including water circulating pump 2, heat exchanger and the cooling tower 31 of pipeline connection successively.Wherein, the water inlet of cooling tower 31
Provided with a return main, all heat exchangers are connected with return main；Return main's by-passing valve 34 is provided with return main, is returned
The two ends of supply mains's by-passing valve 34 parallel connection one backwater bypass, backwater bypass includes hydroturbine water intake pipe 23, the hydraulic turbine being sequentially connected
Water intaking valve 32, the hydraulic turbine 25, hydraulic turbine outlet pipe 26 and hydraulic turbine outlet valve 33；The hydraulic turbine 25 is used to drive a generator 27,
Generator 27 accesses outside plant 29 by a grid-connection device 28；
The water outlet of water circulating pump 2 along water (flow) direction be sequentially provided with water pump discharge pressure sensor 3, exit of pump valve 4,
Water main's pressure sensor 5 and supply water temperature sensor 6, the water inlet of heat exchanger is sequentially provided with heat exchanger along water (flow) direction
Inlet valve, heat exchanger inlet pressure sensor and heat exchanger inlet temperature sensor, the water outlet of heat exchanger is along water (flow) direction
Heat exchanger outlet temperature sensor, heat exchanger exit pressure sensor and heat exchanger exit valve are sequentially provided with, return main is located at
Return water temperature sensor 21 is sequentially provided with along water (flow) direction and return main's pressure gauge is sensed at the prime of return main's by-passing valve 34
Device 22；
Exit of pump valve 4, heat exchanger inlet valve, heat exchanger exit valve, hydroturbine water intake valve 32, the and of hydraulic turbine outlet valve 33
Return main's by-passing valve 34 uses magnetic valve, water pump discharge pressure sensor 3, water main's pressure sensor 5, supply water temperature
Sensor 6, heat exchanger inlet pressure sensor, heat exchanger inlet temperature sensor, heat exchanger outlet temperature sensor, heat exchanger
The data of outlet pressure sensor, return water temperature sensor 21 and return main's pressure gauge sensor 22, which become, delivers to a control list
At member, control unit is used for the data according to reception to exit of pump valve 4, heat exchanger inlet valve, heat exchanger exit valve, water wheels
Machine water intaking valve 32, hydraulic turbine outlet valve 33 and return main's by-passing valve 34 are controlled.
In the present embodiment, heat exchanger includes the multiple low level heat exchangers 10 and multiple high-order heat exchangers 17 being connected in parallel, and appoints
The water inlet of one low level heat exchanger 10 is sequentially provided with low level heat exchanger inlet valve 7, low level heat exchanger inlet-pressure along water (flow) direction
Force snesor 8 and low level heat exchanger inlet temperature sensor 9, the water outlet of any low level heat exchanger 10 along water (flow) direction successively
Provided with low level heat exchanger outlet temperature sensor 11, low level heat exchanger exit pressure sensor 12 and low level heat exchanger exit valve
13；The water inlet of any high-order heat exchanger 17 is sequentially provided with high-order heat exchanger inlet valve 14, high-order heat exchanger along water (flow) direction
Inlet pressure sensor 15 and high-order heat exchanger inlet temperature sensor 16, the water outlet of any high-order heat exchanger 17 is along current
Direction is sequentially provided with high-order heat exchanger outlet temperature sensor 18, high-order heat exchanger exit pressure sensor 19 and high-order heat exchanger
Outlet valve 20.
In the present embodiment, the water inlet of water circulating pump 2 is provided with pump inlet valve 1, and the water inlet of cooling tower 31 is provided with back
Water valve 30.
In the present embodiment, outside plant 29 can be enterprises power network or electrical equipment.
In the present embodiment, to ensure that the hydraulic turbine 25 and generator 27 have the rotating speed of a homeostasis, to prevent during electricity generation grid-connecting
Impact to power network, also controls the rotating speed of the hydraulic turbine 25 using an automatic speed governing device 24 so that in recirculated water power surplus hair
During changing, the rotating speed of the hydraulic turbine 25 and generator 27 can keep homeostasis constant, so as to preferably ensure that the steady of generating
It is qualitative.Wherein, automatic speed governing device 24 uses existing speed regulating device of hydraulic turbine.
In addition, in the present embodiment, the hydraulic turbine 25, generator 27 and associated instrument, pipeline etc. are located at a hydraulic generator
In unit room 35, preferably protected so as to provide.
Schematically the utility model and embodiments thereof are described above, the description does not have restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So, if this area
Those of ordinary skill enlightened by it, do not departing from the case that the utility model creates objective, designed without creative
The frame mode similar to the technical scheme and embodiment, all should belong to protection domain of the present utility model.
Claims (4)
1. the electricity generation system generated electricity using circulation power surplus, including successively the water circulating pump (2) of pipeline connection,
Heat exchanger and cooling tower (31)；It is characterized in that：The water inlet of cooling tower (31) is provided with a return main, and all heat exchangers are equal
It is connected with return main；Return main's by-passing valve (34) is provided with return main, return main's by-passing valve (34) two ends are in parallel
One backwater is bypassed, and backwater bypass includes hydroturbine water intake pipe (23), hydroturbine water intake valve (32), the hydraulic turbine being sequentially connected
(25), hydraulic turbine outlet pipe (26) and hydraulic turbine outlet valve (33)；The hydraulic turbine (25) is used to drive a generator (27), generator
(27) outside plant (29) is accessed by a grid-connection device (28)；
The water outlet of water circulating pump (2) is sequentially provided with water pump discharge pressure sensor (3), exit of pump valve along water (flow) direction
(4), water main's pressure sensor (5) and supply water temperature sensor (6), the water inlet of heat exchanger is set successively along water (flow) direction
There are heat exchanger inlet valve, heat exchanger inlet pressure sensor and heat exchanger inlet temperature sensor, the water outlet edge of heat exchanger
Water (flow) direction is sequentially provided with heat exchanger outlet temperature sensor, heat exchanger exit pressure sensor and heat exchanger exit valve, backwater
House steward is sequentially provided with return water temperature sensor (21) along water (flow) direction at return main's by-passing valve (34) prime and backwater is total
Hook gauge sensor (22)；
Exit of pump valve (4), heat exchanger inlet valve, heat exchanger exit valve, hydroturbine water intake valve (32), hydraulic turbine outlet valve (33)
With return main's by-passing valve (34) use magnetic valve, water pump discharge pressure sensor (3), water main's pressure sensor (5),
Supply water temperature sensor (6), heat exchanger inlet pressure sensor, heat exchanger inlet temperature sensor, heat exchanger outlet temperature are passed
Sensor, heat exchanger exit pressure sensor, the data of return water temperature sensor (21) and return main's pressure gauge sensor (22)
Become and deliver at a control unit, control unit is used for the data according to reception to exit of pump valve (4), heat exchanger import
Valve, heat exchanger exit valve, hydroturbine water intake valve (32), hydraulic turbine outlet valve (33) and return main's by-passing valve (34) are controlled
System.
2. the electricity generation system according to claim 1 generated electricity using circulation power surplus, it is characterised in that：
Heat exchanger includes multiple low level heat exchangers (10) and the multiple high-order heat exchangers (17) being connected in parallel, any low level heat exchanger (10)
Water inlet along water (flow) direction be sequentially provided with low level heat exchanger inlet valve (7), low level heat exchanger inlet pressure sensor (8) and
Low level heat exchanger inlet temperature sensor (9), the water outlet of any low level heat exchanger (10) is sequentially provided with low along water (flow) direction
Position heat exchanger outlet temperature sensor (11), low level heat exchanger exit pressure sensor (12) and low level heat exchanger exit valve
(13)；The water inlet of any high-order heat exchanger (17) is sequentially provided with high-order heat exchanger inlet valve (14), a high position along water (flow) direction
Heat exchanger inlet pressure sensor (15) and high-order heat exchanger inlet temperature sensor (16), any high-order heat exchanger (17) go out
At the mouth of a river high-order heat exchanger outlet temperature sensor (18), high-order heat exchanger exit pressure sensor are sequentially provided with along water (flow) direction
And high-order heat exchanger exit valve (20) (19).
3. the electricity generation system according to claim 1 generated electricity using circulation power surplus, it is characterised in that：
Water circulating pump (2) water inlet is provided with pump inlet valve (1).
4. the electricity generation system according to claim 1 generated electricity using circulation power surplus, it is characterised in that：
The water inlet of cooling tower (31) is provided with back-water valve (BWV) (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720255957.XU CN206531405U (en) | 2017-03-16 | 2017-03-16 | The electricity generation system generated electricity using circulation power surplus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720255957.XU CN206531405U (en) | 2017-03-16 | 2017-03-16 | The electricity generation system generated electricity using circulation power surplus |
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| Publication Number | Publication Date |
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| CN206531405U true CN206531405U (en) | 2017-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720255957.XU Active CN206531405U (en) | 2017-03-16 | 2017-03-16 | The electricity generation system generated electricity using circulation power surplus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661845A (en) * | 2018-04-11 | 2018-10-16 | 国电中自（合肥）电气科技有限公司 | A kind of circulating water excess pressure power generator |
| CN109883218A (en) * | 2019-03-25 | 2019-06-14 | 杭州杭氧股份有限公司 | A kind of air cooling system and its operating method with energy recovery process |
| CN110145426A (en) * | 2019-06-04 | 2019-08-20 | 上海塑茜劳防用品有限公司 | A kind of hot waste water recycling device |
| CN114738166A (en) * | 2022-04-11 | 2022-07-12 | 大连海事大学 | Circulating water excess pressure power generation system based on friction nanometer power generation |
-
2017
- 2017-03-16 CN CN201720255957.XU patent/CN206531405U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661845A (en) * | 2018-04-11 | 2018-10-16 | 国电中自（合肥）电气科技有限公司 | A kind of circulating water excess pressure power generator |
| CN109883218A (en) * | 2019-03-25 | 2019-06-14 | 杭州杭氧股份有限公司 | A kind of air cooling system and its operating method with energy recovery process |
| CN110145426A (en) * | 2019-06-04 | 2019-08-20 | 上海塑茜劳防用品有限公司 | A kind of hot waste water recycling device |
| CN114738166A (en) * | 2022-04-11 | 2022-07-12 | 大连海事大学 | Circulating water excess pressure power generation system based on friction nanometer power generation |
| CN114738166B (en) * | 2022-04-11 | 2024-04-02 | 大连海事大学 | Circulating water residual pressure power generation system based on friction nano power generation |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310014 Room 8315, Enron Hotel, Chaomingyuan 1, Xiacheng District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Dingling Energy Technology Co., Ltd. Address before: 310014 Room 8315, Enron Hotel, Chaomingyuan 1, Xiacheng District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG LANDING ENERGY-SAVING TECHNOLOGY CO., LTD. |
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