CN209083352U - A kind of thermal power plant's open circulating water overbottom pressure utilizes system - Google Patents

A kind of thermal power plant's open circulating water overbottom pressure utilizes system Download PDF

Info

Publication number
CN209083352U
CN209083352U CN201821777138.2U CN201821777138U CN209083352U CN 209083352 U CN209083352 U CN 209083352U CN 201821777138 U CN201821777138 U CN 201821777138U CN 209083352 U CN209083352 U CN 209083352U
Authority
CN
China
Prior art keywords
water
hydrogenerator
condenser
power supply
circulating
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.)
Active
Application number
CN201821777138.2U
Other languages
Chinese (zh)
Inventor
种西虎
李广伟
靳军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Clp Huachang (suzhou) Power Technology Research Co Ltd
China Electric Huachuang Electric Power Technology Research Institute Co Ltd
Original Assignee
Clp Huachang (suzhou) Power Technology Research Co Ltd
China Electric Huachuang Electric Power Technology Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Clp Huachang (suzhou) Power Technology Research Co Ltd, China Electric Huachuang Electric Power Technology Research Institute Co Ltd filed Critical Clp Huachang (suzhou) Power Technology Research Co Ltd
Priority to CN201821777138.2U priority Critical patent/CN209083352U/en
Application granted granted Critical
Publication of CN209083352U publication Critical patent/CN209083352U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a kind of thermal power plant's open circulating water overbottom pressure to utilize system, including steam turbine, generator, condenser and water circulating pump, steam turbine is connect by generator with power grid power supply main line, the exhaust steam pipeline of steam turbine is connect with condenser, it further include hydrogenerator, the impeller of hydrogenerator is arranged on the circulating line between condenser outlet and water source, hydrogenerator is connect by transmission line of electricity with power grid power supply main line, water source is flowed back to after the recirculated water impact wheel rotation of condenser outlet outflow, mechanical energy is changed into electrical energy transportation to power grid power supply main line by hydrogenerator at this time.Compared with prior art, the utility model utilizes the recirculated water return water with certain pressure energy that hydrogenerator is driven to generate electricity, and hydrogenerator issues electric energy and accesses grid power supply system, important for energy-saving and emission-reduction with realistic meaning.

Description

A kind of thermal power plant's open circulating water overbottom pressure utilizes system
Technical field
The utility model relates to a kind of electricity generation systems, utilize system more particularly, to a kind of thermal power plant's open circulating water overbottom pressure System.
Background technique
Water circulating pump is the main consumption source of station service in open circulation power plant, is that the steam turbine side of thermal power generation unit is main Consume energy one of subsidiary engine, and energy consumption level has a major impact China's firepower unit economy, wherein following pump power consumption generally accounts for factory With the 10%~25% of electrisity consumption.Open circulation power plant cycle water source is generally from rivers, by returning after plant condenser Waterpipe then flows into rivers, and the energy that water circulating pump is supplied to recirculated water is much larger than the on-way resistance along Cheng Guandao, water return pipeline Enter recirculated water at river mouth and have certain energy, general power plant is discharged directly into rivers, and recirculated water return water affluence energy cannot be had Effect utilizes, and is wasted.If this portion of energy can be fully utilized, no matter for improving economy of power plant benefit side Face, or have particularly significant meaning in terms of energy conservation.
Utility model content
The purpose of this utility model is exactly to provide a kind of thermal power plant in order to overcome the problems of the above-mentioned prior art and open Formula circulating water excess pressure utilize system, will using circulating water excess pressure send out electric energy by route access power grid in, be a kind of reduction factory The effective energy conservation measure of power consumption rate.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of thermal power plant's open circulating water overbottom pressure utilizes system, including steam turbine, generator, condenser and water circulating pump, The steam turbine is connect by generator with power grid power supply main line, and the exhaust steam pipeline of steam turbine is connect with condenser, described Water circulating pump from water source extract recirculated water enter condenser by steam exhaust it is cooling after, recirculated water from condenser outlet stream return water source,
The system further includes hydrogenerator, and the impeller setting of the hydrogenerator is in condenser outlet and water On circulating line between source, hydrogenerator is connect by transmission line of electricity with power grid power supply main line, is exported and is flowed out from condenser Recirculated water impact wheel rotation after flow back to water source, at this time hydrogenerator by mechanical energy be changed into electrical energy transportation to power grid power Main line.
Transmission line of electricity between the generator and power grid power supply main line is equipped with breaker.
Transmission line of electricity between the hydrogenerator and power grid power supply main line is equipped with breaker.
The condenser outlet is equipped with temperature sensor, and the temperature sensor is connected by controller and water circulating pump It connects.
The circulating line of the condenser outlet is equipped with heat exchanger, and the heat exchanger is connect with user.
The water source is open type water source.
Compared with prior art, the utility model has the advantage that
(1) using having the recirculated water return water of certain pressure energy that hydrogenerator is driven to generate electricity, hydrogenerator issues electricity Grid power supply system can be accessed, it is important for energy-saving and emission-reduction that there is realistic meaning.
(2) transmission line of electricity between generator and power grid power supply main line is equipped with breaker, and hydrogenerator and power grid supply Transmission line of electricity between electric main line is equipped with breaker, guarantees electric network security.
(3) condenser outlet is equipped with temperature sensor, and temperature sensor is connect by controller with water circulating pump, can basis Outlet temperature judges the cooling effect of steam exhaust, adjusts the revolving speed of water circulating pump, under suitable water circulating pump energy consumption, by condensing Steam exhaust in device cools down in time.
(4) circulating line of condenser outlet is equipped with heat exchanger, and heat exchanger is connect with user, and circulation is further utilized The waste heat of water.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Appended drawing reference:
1 is steam inlet pipe road;2 be steam turbine;3 be generator;4 be transmission line of electricity;5 be breaker;6 be condenser;7 be to open Formula water source;8 be circulating water pipeline;9 be water circulating pump;10 be impeller;11 be hydrogenerator;12 be transmission line of electricity;13 be disconnected Road device;14 be power grid power supply main line.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model Implemented premised on technical solution, the detailed implementation method and specific operation process are given, but the guarantor of the utility model Shield range is not limited to the following embodiments.
Embodiment
The present embodiment passes through for pressure energy of having more than needed in the circulation return water of open circulation power plant field big flow To wherein unreasonable, not Scientific Section transformation, more recoverable energies can be excavated.Recirculated water return water electricity generation system is exactly After converting mechanical energy for recirculated water return water remaining energy, electric energy is further translated by hydrogenerator.Electric energy It is small to feed back to system itself or be supplied to other low power consuming equipment, for the circulation of this big flow of open circulation power plant Water system can establish an independent cycle water energy power station completely and electricity can be directly fed power grid, the system pair It is important with realistic meaning in energy-saving and emission-reduction.
As shown in Figure 1, thermal power plant's open circulating water overbottom pressure utilizes system, including steam turbine 2, generator 3, condenser 6, follow Ring water pump 9 and hydrogenerator 11, in main electricity generation system, high-temperature steam enters 2 expansion work of steam turbine by jet chimney 1, It driving generator 3 to be converted into electric energy and is transported to power grid power supply main line 14 by transmission line of electricity 4, exhaust steam in steam turbine is discharged into condenser 6, Water circulating pump 9 from water source extract recirculated water enter condenser 6 by steam exhaust it is cooling after, recirculated water is from 6 outlet stream return water source of condenser 7, water source 7 is open type water source, such as rivers and lakes, river.
In order to improve energy utilization rate, the setting of impeller 10 of hydrogenerator 11 is between the outlet of condenser 6 and water source 7 Circulating line 8 on, hydrogenerator 11 connect by transmission line of electricity and power grid main line 14 of powering, from the outlet of condenser 6 outflow Recirculated water have certain pressure, impact impeller 10 rotate after flow back to water source 7, mechanical energy is changed by hydrogenerator 11 at this time Electrical energy transportation to power grid power main line 14.
To guarantee safety, the transmission line of electricity 4 between generator 3 and power grid power supply main line 14 is equipped with breaker 5, water Transmission line of electricity 12 between turbine generator 11 and power grid power supply main line 14 is equipped with breaker 13.
The outlet of condenser 6 is equipped with temperature sensor, and temperature sensor is connect by controller with water circulating pump 9, works as temperature When more than certain value, the revolving speed of water circulating pump 9 is improved, the steam exhaust in condenser 6 is cooled down in time;When temperature is lower than some value When, the revolving speed of water circulating pump 9 is reduced, to reduce extra energy consumption.
The circulating line 8 that condenser 6 exports is equipped with heat exchanger, and heat exchanger is connect with user, and circulation is further utilized The waste heat of water.

Claims (6)

1. a kind of thermal power plant's open circulating water overbottom pressure utilizes system, including steam turbine (2), generator (3), condenser (6) and follow Ring water pump (9), the steam turbine (2) are connect by generator (3) with power grid power supply main line (14), the steam exhaust of steam turbine (2) Pipeline is connect with condenser (6), and the water circulating pump (9) extracts recirculated water from water source and enters condenser (6) for steam exhaust cooling Afterwards, recirculated water is from condenser (6) outlet stream return water source (7),
It is characterized in that, the system further includes hydrogenerator (11), the impeller (10) of the hydrogenerator (11) Be arranged on the circulating line (8) between condenser (6) outlet and water source (7), hydrogenerator (11) by transmission line of electricity and Power grid power supply main line (14) connection flows back to water source after rotating from recirculated water impact impeller (10) of condenser (6) outlet outflow (7), at this time hydrogenerator (11) by mechanical energy be changed into electrical energy transportation to power grid power main line (14).
2. a kind of thermal power plant's open circulating water overbottom pressure according to claim 1 utilizes system, which is characterized in that the hair Transmission line of electricity between motor (3) and power grid power supply main line (14) is equipped with breaker.
3. a kind of thermal power plant's open circulating water overbottom pressure according to claim 1 utilizes system, which is characterized in that the water Transmission line of electricity between turbine generator (11) and power grid power supply main line (14) is equipped with breaker.
4. a kind of thermal power plant's open circulating water overbottom pressure according to claim 1 utilizes system, which is characterized in that described is solidifying Vapour device (6) outlet is equipped with temperature sensor, and the temperature sensor is connect by controller with water circulating pump (9).
5. a kind of thermal power plant's open circulating water overbottom pressure according to claim 1 utilizes system, which is characterized in that described is solidifying The circulating line (8) of vapour device (6) outlet is equipped with heat exchanger, and the heat exchanger is connect with user.
6. a kind of thermal power plant's open circulating water overbottom pressure according to claim 1 utilizes system, which is characterized in that the water Source (7) is open type water source.
CN201821777138.2U 2018-10-30 2018-10-30 A kind of thermal power plant's open circulating water overbottom pressure utilizes system Active CN209083352U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821777138.2U CN209083352U (en) 2018-10-30 2018-10-30 A kind of thermal power plant's open circulating water overbottom pressure utilizes system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821777138.2U CN209083352U (en) 2018-10-30 2018-10-30 A kind of thermal power plant's open circulating water overbottom pressure utilizes system

Publications (1)

Publication Number Publication Date
CN209083352U true CN209083352U (en) 2019-07-09

Family

ID=67121694

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821777138.2U Active CN209083352U (en) 2018-10-30 2018-10-30 A kind of thermal power plant's open circulating water overbottom pressure utilizes system

Country Status (1)

Country Link
CN (1) CN209083352U (en)

Similar Documents

Publication Publication Date Title
CN102797661B (en) Air compressor residual-heat utilization system and method
CN102519067B (en) Heating energy saving device with additional back pressure generator for extraction condensing unit and heating energy saving method
CN201560812U (en) Cogeneration low temperature thermal energy recovery device
CN201706478U (en) Heat-recovering type demineralized water heating system
CN201916008U (en) Expansion power energy-saving system with high flow, low parameter and high back pressure
CN105888741A (en) Back pressure type steam turbine driving system capable of mixing heat exchange condensation with low pressure deaerator
CN102373973A (en) Low-medium temperature heat energy recovery power generation device
CN103363564B (en) Improve energy-saving heating system and the heat supply method of low-grade steam thermal energy utilization ratio
CN209083352U (en) A kind of thermal power plant's open circulating water overbottom pressure utilizes system
CN105317474B (en) A kind of power plant additional steam turbine band Frequency auxiliary system and control method
CN106988810A (en) The multi-stage heating system and method for a kind of waste heat overbottom pressure cascade utilization
CN204267115U (en) A kind of heat reclaiming system utilizing Air-cooled Unit low-temperature receiver waste heat
CN203489522U (en) Processing system of waste heat and waste energy utilization of blast furnace cooling water
CN106438440A (en) Waste heat recycling system of centrifugal air compressor
CN206785441U (en) A kind of multi-stage heating system of waste heat overbottom pressure cascade utilization
CN202868823U (en) System for extracting waste heat of power plant auxiliary machine circulating water
CN207006904U (en) A kind of Condensate Pump in Power Plant low discharge runtime
CN202970814U (en) High-temperature steam waste heat electricity generation energy-saving system
CN109882250A (en) A kind of thermal power plant's exhaust steam residual heat regenerative electric power system and its implementation
CN109139150A (en) A kind of exhaust steam in steam turbine recycling system and method
CN206345827U (en) A kind of crude distillation tower top WHRS
CN206310568U (en) Feed pump turbine low-vacuum-operating circulating water heating system
CN205783967U (en) The Circulated water afterheat recycling system of steam power plant's thermal power plant unit
CN203223967U (en) Combined heat and power generation and peak cooler energy-saving running system for thermal power generation unit
CN207278311U (en) A kind of coal-burning power plant's low pressure rotor exchanges condensation heat recovery device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant