CN109441696B - Energy-saving hydroelectric generating set - Google Patents

Energy-saving hydroelectric generating set Download PDF

Info

Publication number
CN109441696B
CN109441696B CN201811360271.2A CN201811360271A CN109441696B CN 109441696 B CN109441696 B CN 109441696B CN 201811360271 A CN201811360271 A CN 201811360271A CN 109441696 B CN109441696 B CN 109441696B
Authority
CN
China
Prior art keywords
regulating valve
pipeline
pipe
generator
valve
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
CN201811360271.2A
Other languages
Chinese (zh)
Other versions
CN109441696A (en
Inventor
刘立新
刘斌
詹学良
黄勇清
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.)
Hunan Hongtai East Electrical And Mechanical Equipment Co ltd
Original Assignee
Hunan Hongtai East Electrical And Mechanical Equipment 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 Hunan Hongtai East Electrical And Mechanical Equipment Co ltd filed Critical Hunan Hongtai East Electrical And Mechanical Equipment Co ltd
Priority to CN201811360271.2A priority Critical patent/CN109441696B/en
Publication of CN109441696A publication Critical patent/CN109441696A/en
Application granted granted Critical
Publication of CN109441696B publication Critical patent/CN109441696B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B15/00Controlling
    • F03B15/02Controlling by varying liquid flow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00Application
    • F05B2220/70Application in combination with
    • F05B2220/706Application in combination with an electrical generator
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The invention discloses an energy-saving hydroelectric generating set, which comprises a generator, an inlet pipe, an outlet pipe, an automatic speed regulator, a residual pressure tank for cooling water vapor, a first pipeline, a second pipeline and a bleeder pipe, wherein the generator is communicated with an external power supply line through the automatic speed regulator; the inlet pipe is provided with a first regulating valve for controlling on-off, the first pipeline is provided with a second regulating valve for controlling on-off, the second pipeline is provided with a third regulating valve for regulating pressure at one end, a fourth regulating valve for regulating pressure at the other end and a fifth regulating valve for controlling on-off, and the fifth regulating valve is arranged between the third regulating valve and the fourth regulating valve. The energy-saving hydroelectric generating set has the advantage of saving water resources.

Description

Energy-saving hydroelectric generating set
Technical Field
The invention relates to a generator set, in particular to an energy-saving hydroelectric generator set.
Background
In the prior art, a large amount of waste heat is brought in industrial production, water cooling is generally adopted, a large amount of water vapor is formed after water absorbs heat, the water vapor is concentrated in a cooling water tower after being cooled, and a large amount of kinetic potential energy is contained. It is common practice to directly discharge the cooling water to the outside, which requires a large amount of circulating water for cooling, wasting energy in the cooling water and consuming a large amount of water resources.
Disclosure of Invention
The invention aims to provide an energy-saving hydroelectric generating set capable of saving water resources.
The invention is realized by the following technical scheme:
The energy-saving hydroelectric generating set comprises a generator, an inlet pipe, an outlet pipe, an automatic speed regulator, a residual pressure tank for cooling water vapor, a first pipeline, a second pipeline and a bleeder pipe, wherein the generator is communicated with an external power supply line through the automatic speed regulator; the inlet pipe is provided with a first regulating valve for controlling on-off, the first pipeline is provided with a second regulating valve for controlling on-off, the second pipeline is provided with a third regulating valve for regulating pressure at one end, a fourth regulating valve for regulating pressure at the other end and a fifth regulating valve for controlling on-off, and the fifth regulating valve is arranged between the third regulating valve and the fourth regulating valve.
Preferably, the first regulating valve is an electrically controlled valve.
Preferably, the inlet pipe is provided with a seventh regulating valve for controlling on-off, and the seventh regulating valve is a manual stop valve or a ball valve.
Preferably, the outlet pipe is provided with a sixth regulating valve for controlling on-off.
Preferably, the sixth regulating valve is an electrically controlled valve.
Preferably, the residual pressure tank is provided with a liquid level gauge.
The beneficial effects are that: compared with the prior art, the energy-saving hydroelectric generating set is characterized in that a generator, a pipe inlet, a pipe outlet, an automatic speed regulator, a residual pressure tank for cooling water vapor, a first pipeline, a second pipeline and a bleeder pipe are arranged, cooling water after condensing high-temperature high-pressure water vapor is sent into the residual pressure tower and enters the generator through the pipe inlet, residual pressure power generation is carried out by utilizing kinetic potential energy of the cooling water, low-energy cooling water after power generation flows into the bleeder pipe through the pipe outlet to form water circulation again, and the condensed water can be recycled while energy is utilized, so that water resources are saved; and set up the first pipeline that is used for maintaining between residual pressure tower and generator and conveniently to the maintenance of generator when needs, set up the second pipeline between residual pressure tower and generator in addition, set up third governing valve and the fourth governing valve of adjusting both ends pressure on the second pipeline, guarantee that generator pressure differential is stable to stable effectual realization power generation function.
Drawings
The invention is described in further detail below with reference to the attached drawing figures, wherein:
fig. 1 is a schematic diagram of an energy-saving hydroelectric generating set according to the present invention.
Detailed Description
As shown in fig. 1, an energy-saving hydroelectric generating set comprises a generator 1, an inlet pipe 2, an outlet pipe 3, an automatic speed regulator 4, a residual pressure tank 5 for cooling water vapor, a first pipeline 6, a second pipeline 7 and a drain pipe 8, wherein the generator 1 is communicated with an external power supply circuit through the automatic speed regulator 4, the generated electric energy is regulated in frequency through the automatic speed regulator 4, the frequency is ensured to be within a normal range, in addition, the generator 1 can be connected with the outside, the inlet pipe 2 and the outlet pipe 3 are respectively connected with an inlet and an outlet of the generator 1, the inlet pipe 2 is communicated with the drain pipe 8 through the first pipeline 6, the outlet pipe 3 is communicated with the drain pipe 8, the first pipeline 6 and the second pipeline 7 are in parallel double-row pipes, the inlet pipe 2 and the outlet pipe 3 are respectively communicated through the first pipeline 6 and the second pipeline 7, an outlet 51 of the residual pressure tank 5 is communicated with the inlet of the generator 1 through the inlet pipe 2, and an outlet 51 is communicated with the drain pipe 8 through the second pipeline 7; the inlet pipe 2 is provided with a first regulating valve 21 for controlling on-off, the first pipeline 6 is provided with a second regulating valve 61 for controlling on-off, the second pipeline 7 is provided with a third regulating valve 71 for regulating pressure at one end, a fourth regulating valve 72 for regulating pressure at the other end and a fifth regulating valve 73 for controlling on-off, and the fifth regulating valve 73 is arranged between the third regulating valve 71 and the fourth regulating valve 72. Cooling water condensed by water vapor is sent into a residual pressure tower 5 and then enters a generator 1 through a feed pipe 2, the generator 1 generates power by utilizing the potential energy of the cooling water, and after power generation, the generated power is converged into a bleeder pipe 8 through a discharge pipe 3 to form circulation again, so that the potential energy of the cooling water is utilized, and meanwhile, the water can be recycled, thereby saving water resources; the first pipeline 6 for maintenance is arranged between the residual pressure tower 5 and the generator 1, when the generator 1 needs maintenance, the first pipeline 2 is controlled to be disconnected through the first regulating valve 21, the second regulating valve 61 is opened to control the first pipeline 6 to be communicated, so that the whole large system can still normally form circulation, in addition, the second pipeline 7 is arranged between the residual pressure tower 5 and the generator 1, the third regulating valve 71 and the fourth regulating valve 72 for regulating the pressure at two ends are arranged on the second pipeline 7, the pressure difference between the inlet and the outlet of the generator 1 is ensured to be stable, for example, the pressure at the inlet is ensured to be 1MPa, the outlet is ensured to be 0.3MPa, the difference is 0.7MPa, when the pressure is insufficient, the opening of the third regulating valve 71 and the fourth regulating valve 72 is regulated, and the stable pressure difference can ensure that the generator 1 generates power stably and is favorable for long-term use, so that the service life is long and the maintenance cost is low.
In the preferred embodiment, the first regulating valve 21 may be an electric control valve, so that when the generator 1 needs to be maintained, the first regulating valve 21 can automatically control to disconnect the inlet pipe 2, and of course, the first regulating valve 21 may also be a manual control valve, however, for flexible control, as shown in fig. 1, when the first regulating valve 21 is an electric control valve, a seventh regulating valve 22 may also be disposed on the inlet pipe 2, and the seventh regulating valve 22 is a manual stop valve or a ball valve, which also functions to manually disconnect the inlet pipe 2 when the generator 1 needs to be maintained.
In the preferred embodiment, as shown in fig. 1, the outlet pipe 3 is provided with a sixth regulating valve 31 for controlling on-off, so as to control on-off condition of the outlet of the generator 1 conveniently and prevent backflow. The sixth regulating valve 31 may be an electrically controlled valve, which is convenient for automatic control.
In the preferred embodiment, as shown in fig. 1, a liquid level meter 52 is arranged on the residual pressure tank 5 to monitor the water quantity condensed in the residual pressure tank 5 to prevent overflow.
The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and any modifications or equivalent substitutions without departing from the spirit and scope of the present invention should be covered in the scope of the technical solution of the present invention.

Claims (6)

1. An energy-saving hydroelectric generating set, which is characterized in that: the water vapor cooling system comprises a generator (1), an inlet pipe (2), an outlet pipe (3), an automatic speed regulator (4), a residual pressure tank (5) for cooling water vapor, a first pipeline (6), a second pipeline (7) and a drain pipe (8), wherein the generator (1) is communicated with an external power supply line through the automatic speed regulator (4), the inlet pipe (2) and the outlet pipe (3) are respectively connected with an inlet and an outlet of the generator (1), the inlet pipe (2) is communicated with the drain pipe (8) through the first pipeline (6), the outlet pipe (3) is communicated with the drain pipe (8), the inlet pipe (2) and the outlet pipe (3) are respectively communicated through the first pipeline (6) and the second pipeline (7), an outlet (51) of the residual pressure tank (5) is communicated with the inlet of the generator (1) through the inlet pipe (2), and the outlet (51) is communicated with the drain pipe (8) through the second pipeline (7);
The pipe (2) is provided with a first regulating valve (21) for controlling on-off, the first pipeline (6) is provided with a second regulating valve (61) for controlling on-off, the second pipeline (7) is provided with a third regulating valve (71) for regulating one end pressure, a fourth regulating valve (72) for regulating the other end pressure and a fifth regulating valve (73) for controlling on-off, and the fifth regulating valve (73) is arranged between the third regulating valve (71) and the fourth regulating valve (72).
2. The energy efficient hydro-generator set of claim 1, wherein: the first regulating valve (21) is an electric control valve.
3. The energy efficient hydro-generator set of claim 2, wherein: the inlet pipe (2) is provided with a seventh regulating valve (22) for controlling on-off, and the seventh regulating valve (22) is a manual stop valve or a ball valve.
4. An energy efficient hydroelectric generating set according to any of claims 1 to 3 and wherein: the outlet pipe (3) is provided with a sixth regulating valve (31) for controlling on-off.
5. The energy efficient hydro-generator unit of claim 4, wherein: the sixth regulating valve (31) is an electric control valve.
6. An energy efficient hydroelectric generating set according to any of claims 1 to 3 and wherein: the residual pressure tank (5) is provided with a liquid level meter (52).
CN201811360271.2A 2018-11-15 2018-11-15 Energy-saving hydroelectric generating set Active CN109441696B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811360271.2A CN109441696B (en) 2018-11-15 2018-11-15 Energy-saving hydroelectric generating set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811360271.2A CN109441696B (en) 2018-11-15 2018-11-15 Energy-saving hydroelectric generating set

Publications (2)

Publication Number Publication Date
CN109441696A CN109441696A (en) 2019-03-08
CN109441696B true CN109441696B (en) 2024-08-13

Family

ID=65553026

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811360271.2A Active CN109441696B (en) 2018-11-15 2018-11-15 Energy-saving hydroelectric generating set

Country Status (1)

Country Link
CN (1) CN109441696B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110454313B (en) * 2019-06-24 2024-08-13 水利部农村电气化研究所 Utilize large-scale central air conditioning cooling water return water power generation facility

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201071782Y (en) * 2007-03-30 2008-06-11 银虹科技(深圳)有限公司 Complementary energy recovery utilization device used for industrial cycle water
CN203847188U (en) * 2014-05-13 2014-09-24 北京华航盛世能源技术有限公司 Complementary energy comprehensive utilization system of natural gas regulator station
CN209557150U (en) * 2018-11-15 2019-10-29 湖南红太东方机电装备股份有限公司 A kind of energy conservation turbine-generator units

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201071782Y (en) * 2007-03-30 2008-06-11 银虹科技(深圳)有限公司 Complementary energy recovery utilization device used for industrial cycle water
CN203847188U (en) * 2014-05-13 2014-09-24 北京华航盛世能源技术有限公司 Complementary energy comprehensive utilization system of natural gas regulator station
CN209557150U (en) * 2018-11-15 2019-10-29 湖南红太东方机电装备股份有限公司 A kind of energy conservation turbine-generator units

Also Published As

Publication number Publication date
CN109441696A (en) 2019-03-08

Similar Documents

Publication Publication Date Title
US9212568B2 (en) Control system for matching the output of a steam turbine to a changed load
US20140047841A1 (en) Pumping device using vapor pressure for supplying water for power plant
CN109441696B (en) Energy-saving hydroelectric generating set
CN103983039B (en) Waste heat ammonia absorbs generating and cooling machine and liquefied ammonia TRT
CN201843651U (en) Afterheat utilizing system of cold circulating water in steam turbine
CN110726132B (en) Method and system for supplying water to steam generator of nuclear power station under low-power working condition
CN204420978U (en) A kind of energy saving drainage system of boiler hydrophobic development unit
CN203940498U (en) A kind of bio-waste heating system
CN205503389U (en) Colliery pressure fan, pit water energy recovery utilize system
CN202012939U (en) Drainage system of boiler air heater of heat-engine plant
CN105201573B (en) Back pressure turbine heat supply and energy storage system and heat supply and energy storage method thereof
CN102927685A (en) Waste sewage heat recycling device
CN209557150U (en) A kind of energy conservation turbine-generator units
CN214223206U (en) Coal gas power generation double-heat source heat supply system
CN204851350U (en) Utilize living water heating system of power plant's exhaust steam waste heat
CN206247697U (en) A kind of centrifugal air compressor waste heat recycling system
US8072090B2 (en) Process and system for generating consumable energy
CN202852793U (en) Water recycling system capable of preventing shaking and water spraying of deaerator
CN206973667U (en) A kind of heat cycles pipeline for heating system
CN104930909A (en) Cooling water circulating system
CN104990065A (en) Boiler feed water circulating deoxidation system in turbine generator set
CN205676151U (en) The feedwater of zinc roasting relieving haperacidity, circulation
CN104848332A (en) Solar hot water heat exchanger unit
CN216693486U (en) Waste incineration power generation and heat supply co-production system with peak regulation capability
CN220229639U (en) Stable pressure moisturizing device and system

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
GR01 Patent grant
GR01 Patent grant