CN203594565U - Steam-driven driving system for solar thermal power generation large power pump - Google Patents

Steam-driven driving system for solar thermal power generation large power pump Download PDF

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Publication number
CN203594565U
CN203594565U CN201320569714.5U CN201320569714U CN203594565U CN 203594565 U CN203594565 U CN 203594565U CN 201320569714 U CN201320569714 U CN 201320569714U CN 203594565 U CN203594565 U CN 203594565U
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steam
pump
heat
water
outlet
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CN201320569714.5U
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洪树蒙
王志勇
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Inner Mongolia Electric Power Survey and Design Institute Co Ltd
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Inner Mongolia Electric Power Survey and Design Institute Co Ltd
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    • 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
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/46Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines

Abstract

The utility model discloses a steam-driven driving system for a solar thermal power generation large power pump, which comprises a solar thermal collection field, a superheater, an evaporator, a preheater, a reheater, an electric thermal-transfer oil pump, a thermal-transfer oil pump motor, a steam turbine, a condenser, a condensate pump, a low pressure heater, a deaerator, an electric feed water pump, a feed water pump motor, and a high pressure heater. A steam-driven thermal-transfer oil pump is arranged between a thermal-transfer oil outlet of the preheater, the thermal-transfer oil outlet of the reheater and the inlet of the solar thermal collection field; the steam-driven thermal-transfer oil pump is connected with a thermal-transfer oil pump steam turbine; a steam-driven feed water pump is arranged between a steam outlet of a steam turbine steam exhaust cooling device and a secondary steam inlet of the preheater; the steam-driven feed water pump is connected with a feed water pump steam turbine; and the thermal-transfer oil pump steam turbine is communicated with the steam inlet of the feed water pump steam turbine and a secondary outlet of the superheater. The steam-driven driving system for a solar thermal power generation large power pump has the advantages that surplus solar energy which can not be used by a solar thermal power generation station in summer is used, the small steam turbine is used for driving the large power pump to reduce defocusing loss, the station service power consumption rate is reduced, and power supply volume is increased.

Description

The steam-operating drive system of the high-power pump of a kind of solar energy thermal-power-generating
Technical field:
The utility model relates to the steam-operating drive system of the high-power pump of a kind of solar energy thermal-power-generating, belongs to field of solar thermal power generation.
Background technique:
In solar heat power generation system, due to summer in winter sun altitude and solar radiation difference larger, if all according to summer configuration generator equipment and energy storage device, installed power is larger; When the radiation of winter solar energy is weak, the utilization ratio of these equipment and efficiency are all lower, and investment waste is larger, be irrational, and operation maintenance also has certain problem in Economy; According to reasonable manner configuration generator equipment and energy storage device, just there is summer more solar radiation heat more than needed, have a large amount of solar radiations and defocused loss, cause larger waste;
Groove type solar generating at present has mainly adopted conduction oil as heat transfer medium, needs large-scale conduction oil main pump to carry out conduction oil circulation, adopts motoring; Simultaneously the feed water pump of solar power station also adopts motoring, and they account for station service power consumption rate share maximum, and solar power station electricity has compared with many parts and consumed by these high-power pumps.
Model utility content:
The purpose of this utility model is to propose a kind of solar energy resources more than needed in summer that utilized, and reduces and defocuses loss, reduces station service power consumption rate, has increased the steam-operating drive system of the high-power pump of a kind of solar energy thermal-power-generating of delivery.
The utility model is implemented by following technological scheme: the steam-operating drive system of the high-power pump of a kind of solar energy thermal-power-generating, and it comprises solar energy heat-collection field, superheater, vaporizer, preheater, reheater, electronic Heat-transfer Oil Pump, Heat-transfer Oil Pump motor, steam turbine, vapour condenser, condensate pump, low-pressure heater, oxygen-eliminating device, electrically driven feedpump, feed water pump motor and high-pressure heater, wherein, the conduction oil outlet of described solar energy heat-collection field is communicated with the heat conductive oil inlet of described superheater and the heat conductive oil inlet of described reheater respectively, the conduction oil outlet of described superheater is communicated with the heat conductive oil inlet of described vaporizer, the conduction oil outlet of described vaporizer is communicated with the heat conductive oil inlet of described preheater, the conduction oil outlet of described preheater and the conduction oil outlet of described reheater are communicated with the heat conductive oil inlet of described solar energy heat-collection field, between the conduction oil outlet of described preheater and the conduction oil outlet of described reheater and the heat conductive oil inlet of described solar energy heat-collection field, be provided with described electronic Heat-transfer Oil Pump, described electronic Heat-transfer Oil Pump is connected with described Heat-transfer Oil Pump motor, the high-pressure cylinder steam-expelling port of described steam turbine is communicated with the cold reheated steam import of described reheater, the reheat heat steam (vapor) outlet of described reheater is communicated with the LP steam admission of described steam turbine, the low pressure (LP) cylinder steam-expelling port of described steam turbine is communicated with described vapour condenser steam inlet, the water of condensation outlet of described vapour condenser is connected with the water intake of described condensate pump, the water outlet of described condensate pump is connected with the water intake of described low-pressure heater, the water outlet of described low-pressure heater is connected with the water of condensation import of described oxygen-eliminating device, the water out of giving of described oxygen-eliminating device is connected with the feed-water inlet of described high-pressure heater, be provided with described electrically driven feedpump giving between water out and the feed-water inlet of described high-pressure heater of described oxygen-eliminating device, described electrically driven feedpump is connected with described feed water pump motor, the water out of giving of described high-pressure heater is communicated with described preheater feed-water inlet, described preheater is communicated with described evaporator feedwater import to water out, described vaporizer steam (vapor) outlet is communicated with described superheater steam inlet, described superheater steam (vapor) outlet is communicated with the high-pressure cylinder steam inlet of described steam turbine, between the conduction oil outlet of described preheater and the conduction oil outlet of described reheater and the heat conductive oil inlet of described solar energy heat-collection field, be provided with steam-operating Heat-transfer Oil Pump, described steam-operating Heat-transfer Oil Pump is connected with Heat-transfer Oil Pump steam turbine, be provided with steam feed pump giving between water out and the feed-water inlet of described high-pressure heater of described oxygen-eliminating device, described steam feed pump is connected with described feed pump turbine, the steam inlet of described Heat-transfer Oil Pump steam turbine and described feed pump turbine is communicated with the steam (vapor) outlet of described superheater.
The steam inlet of described Heat-transfer Oil Pump steam turbine and described feed pump turbine is communicated with the bleeding point of described steam turbine.
Described Heat-transfer Oil Pump steam turbine is at least one.
Described feed pump turbine is at least one.
Described vapour condenser is any one of Air-Cooling Island, clammy vapour condenser or a cold vapour condenser.
Advantage of the present utility model: utilize the unserviceable solar energy more than needed in solar energy thermal-power-generating in summer station, adopt small turbine to drive high-power pump to reduce and defocus loss, reduce station service power consumption rate, increase delivery.
Accompanying drawing explanation:
Fig. 1 is embodiment 1 system connection diagram.
Fig. 2 is embodiment 2 system connection diagram.
Solar energy heat-collection field 1, superheater 2, vaporizer 3, preheater 4, reheater 5, electronic Heat-transfer Oil Pump 6, Heat-transfer Oil Pump motor 7, steam turbine 8, vapour condenser 9, electrically driven feedpump 10, feed water pump motor 11, steam-operating Heat-transfer Oil Pump 12, Heat-transfer Oil Pump steam turbine 13, steam feed pump 14, feed pump turbine 15, steam turbine high-pressure cylinder 16, turbine low pressure cylinder 17, high-pressure heater 18, condensate pump 19, low-pressure heater 20, oxygen-eliminating device 21.
Embodiment:
Embodiment 1: as shown in Figure 1, the steam-operating drive system of the high-power pump of a kind of solar energy thermal-power-generating, it comprises solar energy heat-collection field 1, superheater 2, vaporizer 3, preheater 4, reheater 5, electronic Heat-transfer Oil Pump 6, Heat-transfer Oil Pump motor 7, steam turbine 8, vapour condenser 9, condensate pump 19, low-pressure heater 20, oxygen-eliminating device 21, electrically driven feedpump 10, feed water pump motor 11 and high-pressure heater 18, wherein, vapour condenser 9 is Air-Cooling Island, the conduction oil outlet of solar energy heat-collection field 1 is communicated with the heat conductive oil inlet of superheater 2 and the heat conductive oil inlet of reheater 5 respectively, the conduction oil outlet of superheater 2 is communicated with the heat conductive oil inlet of vaporizer 3, the conduction oil outlet of vaporizer 3 is communicated with the heat conductive oil inlet of preheater 4, the conduction oil outlet of preheater 4 and the conduction oil outlet of reheater 5 are communicated with the heat conductive oil inlet of solar energy heat-collection field 1, between the conduction oil outlet of preheater 4 and the conduction oil outlet of reheater 5 and the heat conductive oil inlet of solar energy heat-collection field 1, be provided with electronic Heat-transfer Oil Pump 6, electronic Heat-transfer Oil Pump 6 is connected with Heat-transfer Oil Pump motor 7, electronic Heat-transfer Oil Pump 6 is by the 7 driving work of Heat-transfer Oil Pump motor, steam turbine high-pressure cylinder 16 steam-expelling ports are communicated with the cold reheated steam import of reheater 5, the reheat heat steam (vapor) outlet of reheater 5 is communicated with turbine low pressure cylinder 17 steam inlets, turbine low pressure cylinder 17 steam-expelling ports are communicated with vapour condenser 9 steam inlets, the water of condensation outlet of vapour condenser 9 is connected with the water intake of condensate pump 19, the water outlet of condensate pump 19 is connected with the water intake of low-pressure heater 20, the water outlet of low-pressure heater 20 is connected with the water of condensation import of oxygen-eliminating device 21, the water out of giving of oxygen-eliminating device 21 is connected with the feed-water inlet of high-pressure heater 18, be provided with electrically driven feedpump 10 giving between water out and the feed-water inlet of high-pressure heater 18 of oxygen-eliminating device 21, electrically driven feedpump 10 is connected with feed water pump motor 11, electrically driven feedpump 10 is driven by feed water pump motor 11, the water out of giving of high-pressure heater 18 is communicated with preheater 4 feed-water inlets, preheater 4 is communicated with to water out with vaporizer 3 feed-water inlets, vaporizer 3 steam (vapor) outlets are communicated with superheater 2 steam inlets, and superheater 2 steam (vapor) outlets are communicated with steam turbine high-pressure cylinder 16 steam inlets, between the conduction oil outlet of preheater 4 and the conduction oil outlet of reheater 5 and the heat conductive oil inlet of solar energy heat-collection field 1, be provided with steam-operating Heat-transfer Oil Pump 12, steam-operating Heat-transfer Oil Pump 12 is connected with Heat-transfer Oil Pump steam turbine 13, and steam-operating Heat-transfer Oil Pump 12 is driven by Heat-transfer Oil Pump steam turbine 13, be provided with steam feed pump 14 giving between water out and the feed-water inlet of high-pressure heater 18 of oxygen-eliminating device 21, steam feed pump 14 is connected with feed pump turbine 15, and steam feed pump 14 is driven by feed pump turbine 15, the steam inlet of Heat-transfer Oil Pump steam turbine 13 and feed pump turbine 15 is communicated with the steam (vapor) outlet of superheater 2.
Embodiment 2: as shown in Figure 2, a steam-operating drive system for the high-power pump of solar energy thermal-power-generating, it comprises solar energy heat-collection field 1, superheater 2, vaporizer 3, preheater 4, reheater 5, electronic Heat-transfer Oil Pump 6, Heat-transfer Oil Pump motor 7, steam turbine 8, turbine discharge cooling unit 9, electrically driven feedpump 10 and feed water pump motor 11; Wherein, vapour condenser 9 is any one of clammy vapour condenser or a cold vapour condenser; Between the conduction oil outlet of preheater 4 and the conduction oil outlet of reheater 5 and the heat conductive oil inlet of solar energy heat-collection field 1, be provided with steam-operating Heat-transfer Oil Pump 12, steam-operating Heat-transfer Oil Pump 12 is connected with Heat-transfer Oil Pump steam turbine 13, and steam-operating Heat-transfer Oil Pump 12 is driven by Heat-transfer Oil Pump steam turbine 13; Be provided with steam feed pump 14 giving between water out and the feed-water inlet of high-pressure heater 18 of oxygen-eliminating device 21, steam feed pump 14 is connected with feed pump turbine 15, and steam feed pump 14 is driven by feed pump turbine 15; The steam inlet of Heat-transfer Oil Pump steam turbine 13 and feed pump turbine 15 is communicated with turbine low pressure cylinder 17 bleeding points, and other structures are identical with embodiment 1.
Working principle: heat-conducting oil system flow process is that the electronic Heat-transfer Oil Pump 6 driving from Heat-transfer Oil Pump motor 7 or 1 of being driven by Heat-transfer Oil Pump steam turbine 13 or many steam-operating Heat-transfer Oil Pump 12 cold conduction oil are out heated to be thermal conductance deep fat by pipeline to solar energy heat-collection field 1; Afterwards, the pipeline of leading up to enters superheater 2, vaporizer 3, preheater 4 heated feed waters, and another road lowers the temperature as cold conduction oil after reheater 5 heats cold reheated steam; Start next circulation afterwards, then by electronic Heat-transfer Oil Pump 6 and steam-operating Heat-transfer Oil Pump 12.Boiler circuit flow process is after the electrically driven feedpump 10 that drives by feed water pump motor 11 via feedwater piping of feedwater or 1 of being driven by feed pump turbine 15 or many steam feed pumps 14 boost, by preheater 4, vaporizer 3, superheater 2 is that high temperature main steam enters steam turbine 8 and generates electricity by heat-conducting oil heating, the cold reheated steam of being discharged by steam turbine 8 high-pressure cylinders is afterwards that reheat heat steam enters steam turbine 8 mesolow cylinders again and generates electricity by reheater 5 by heat-conducting oil heating, exhaust steam after generating is condensed into water by turbine discharge cooling unit 9, process electrically driven feedpump 10 or steam feed pump 14 boost and start next circulation again.
Defocus: solar energy thermal-power-generating station generally adopts focusing mirror to produce steam driven steam turbine power generation after adsorber obtains heat, when summer solar radiation stronger, when the thermal power producing exceedes steam turbine and energy storage device acceptable power, this part unnecessary solar radiation heat just need to be controlled not defocus and lose, and just cries and defocuses.

Claims (5)

1. a steam-operating drive system for the high-power pump of solar energy thermal-power-generating, it comprises solar energy heat-collection field, superheater, vaporizer, preheater, reheater, electronic Heat-transfer Oil Pump, Heat-transfer Oil Pump motor, steam turbine, vapour condenser, condensate pump, low-pressure heater, oxygen-eliminating device, electrically driven feedpump, feed water pump motor and high-pressure heater, wherein, the conduction oil outlet of described solar energy heat-collection field is communicated with the heat conductive oil inlet of described superheater and the heat conductive oil inlet of described reheater respectively, the conduction oil outlet of described superheater is communicated with the heat conductive oil inlet of described vaporizer, the conduction oil outlet of described vaporizer is communicated with the heat conductive oil inlet of described preheater, the conduction oil outlet of described preheater and the conduction oil outlet of described reheater are communicated with the heat conductive oil inlet of described solar energy heat-collection field, between the conduction oil outlet of described preheater and the conduction oil outlet of described reheater and the heat conductive oil inlet of described solar energy heat-collection field, be provided with described electronic Heat-transfer Oil Pump, described electronic Heat-transfer Oil Pump is connected with described Heat-transfer Oil Pump motor, the high-pressure cylinder steam-expelling port of described steam turbine is communicated with the cold reheated steam import of described reheater, the reheat heat steam (vapor) outlet of described reheater is communicated with the LP steam admission of described steam turbine, the low pressure (LP) cylinder steam-expelling port of described steam turbine is communicated with described vapour condenser steam inlet, the water of condensation outlet of described vapour condenser is connected with the water intake of described condensate pump, the water outlet of described condensate pump is connected with the water intake of described low-pressure heater, the water outlet of described low-pressure heater is connected with the water of condensation import of described oxygen-eliminating device, the water out of giving of described oxygen-eliminating device is connected with the feed-water inlet of described high-pressure heater, be provided with described electrically driven feedpump giving between water out and the feed-water inlet of described high-pressure heater of described oxygen-eliminating device, described electrically driven feedpump is connected with described feed water pump motor, the water out of giving of described high-pressure heater is communicated with described preheater feed-water inlet, described preheater is communicated with described evaporator feedwater import to water out, described vaporizer steam (vapor) outlet is communicated with described superheater steam inlet, described superheater steam (vapor) outlet is communicated with the high-pressure cylinder steam inlet of described steam turbine, it is characterized in that, between the conduction oil outlet of described preheater and the conduction oil outlet of described reheater and the heat conductive oil inlet of described solar energy heat-collection field, be provided with steam-operating Heat-transfer Oil Pump, described steam-operating Heat-transfer Oil Pump is connected with Heat-transfer Oil Pump steam turbine, be provided with steam feed pump giving between water out and the feed-water inlet of described high-pressure heater of described oxygen-eliminating device, described steam feed pump is connected with described feed pump turbine, the steam inlet of described Heat-transfer Oil Pump steam turbine and described feed pump turbine is communicated with the steam (vapor) outlet of described superheater.
2. the steam-operating drive system of the high-power pump of a kind of solar energy thermal-power-generating according to claim 1, is characterized in that, the steam inlet of described Heat-transfer Oil Pump steam turbine and described feed pump turbine is communicated with the bleeding point of described steam turbine.
3. according to the steam-operating drive system of the arbitrary described high-power pump of a kind of solar energy thermal-power-generating of claim 1 or 2, it is characterized in that, described Heat-transfer Oil Pump steam turbine is at least one.
4. according to the steam-operating drive system of the arbitrary described high-power pump of a kind of solar energy thermal-power-generating of claim 1 or 2, it is characterized in that, described feed pump turbine is at least one.
5. the steam-operating drive system of the high-power pump of a kind of solar energy thermal-power-generating according to claim 1, is characterized in that, described vapour condenser is any one of Air-Cooling Island, clammy vapour condenser or a cold vapour condenser.
CN201320569714.5U 2013-09-14 2013-09-14 Steam-driven driving system for solar thermal power generation large power pump Active CN203594565U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105626402A (en) * 2014-11-06 2016-06-01 中国电力工程顾问集团华北电力设计院工程有限公司 Molten salt heat storage solar thermal power generation system
CN105890185A (en) * 2016-04-12 2016-08-24 殷翠萍 Parabolic trough solar thermal power generation system
CN110374813A (en) * 2019-07-18 2019-10-25 青海格尔木鲁能新能源有限公司 A kind of wind-powered electricity generation-photovoltaic-heat accumulation combined generating system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105626402A (en) * 2014-11-06 2016-06-01 中国电力工程顾问集团华北电力设计院工程有限公司 Molten salt heat storage solar thermal power generation system
CN105890185A (en) * 2016-04-12 2016-08-24 殷翠萍 Parabolic trough solar thermal power generation system
CN110374813A (en) * 2019-07-18 2019-10-25 青海格尔木鲁能新能源有限公司 A kind of wind-powered electricity generation-photovoltaic-heat accumulation combined generating system

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Address after: 010010 Hohhot, the Inner Mongolia Autonomous Region Tin Road, No. 209

Patentee after: INNER MONGOLIA ELECTRIC POWER SURVEY & DESIGN INSTITUTE CO., LTD.

Address before: 010010 Hohhot, the Inner Mongolia Autonomous Region Tin Road, No. 209

Patentee before: Inner Mongolia Electric Power Survey Design Institute

C56 Change in the name or address of the patentee

Owner name: INNER MONGOLIA ELECTRIC POWER SURVEY DESIGN INSTIT

Free format text: FORMER NAME: INNER MONGOLIA ELECTRICAL POWER INVESTIGATE AND DESIGN INSTITUTE