CN202118881U - Raw water heating system for power station - Google Patents

Raw water heating system for power station Download PDF

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Publication number
CN202118881U
CN202118881U CN 201120226475 CN201120226475U CN202118881U CN 202118881 U CN202118881 U CN 202118881U CN 201120226475 CN201120226475 CN 201120226475 CN 201120226475 U CN201120226475 U CN 201120226475U CN 202118881 U CN202118881 U CN 202118881U
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CN
China
Prior art keywords
heat
unboiled water
power station
conducting medium
steam
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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.)
Expired - Fee Related
Application number
CN 201120226475
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Chinese (zh)
Inventor
刘丰
蒲日军
Original Assignee
Inner Mongolia Electric Power Survey and Design Institute Co Ltd
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Publication date
Application filed by Inner Mongolia Electric Power Survey and Design Institute Co Ltd filed Critical Inner Mongolia Electric Power Survey and Design Institute Co Ltd
Priority to CN 201120226475 priority Critical patent/CN202118881U/en
Application granted granted Critical
Publication of CN202118881U publication Critical patent/CN202118881U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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

Abstract

The utility model relates to a raw water heating system for a power station. A heat source heated by the system employs solar energy, and the system is particularly fit for supercritical power station engineering free of a drainage system. The heating system comprises a solar energy collector, a heat-conducting medium circulating pump, a heat-accumulation energy-storage device and a raw water heating subsystem. In the system, the renewable solar energy resource is sufficiently utilized and the raw water in the power station is heated by converting the form of energy, so that the consumption of fossil fuels and the emission of pollutants are reduced, and the system is low-carbon and environment-friendly.

Description

Power station unboiled water heating system
Technical field
The utility model relates to a kind of power station unboiled water heating system, particularly a kind of power station unboiled water heating system of utilizing solar energy.
Background technology
In conventional fired power generating unit engineering, before getting into therrmodynamic system, specialty chemical will carry out desalting processing to it as unit supplementing water (being so-called unboiled water).In order to improve desalting efficiency, need be heated to uniform temperature to unboiled water.
In subcritical parameter unit, be that the sewer that utilizes boiler blow-out system to produce heats unboiled water; And at the overcritical or unit of high parameter more, unit adopts direct current cooker, itself does not have drainage, the alternative thermal source that unboiled water heating needs are new.
Solar energy has received widely and having paid close attention to as a kind of inexhaustible, nexhaustible low cost, green energy resource, and the radiant energy that utilizes the sun is directly with the water heating, and the various small-sized solar water heaters that obtain to live with hot water have obtained to use widely.Yet this solar water heater condition of work is limited by the influence at weather, sunshine, can not stablize, provide continuously industrial heat.
The utility model content
The purpose of the utility model is to provide a kind of supercritical unit unboiled water heating system; This heating system is different from heating system conventional in the power plant project; Promptly utilize the power station self-produced steam heating of certain pressure, temperature, the utility model utilizes solar energy that unboiled water is heated, low-carbon environment-friendly; And can be provided as unboiled water and add thermally-stabilised, heat supply continuously, technical application of far-reaching significance.
The heating system of the utility model is by the realization that is described below:
A kind of power station unboiled water heating system of utilizing solar energy; It is characterized in that this system comprises that the solar collector, heat-conducting medium circulating pump, thermal storage and energy accumulation device and the unboiled water that are connected successively by pipeline add thermal sub-system; Heat-conducting medium absorbs heat in solar collector after; Send into thermal storage and energy accumulation device storage area energy through the heat-conducting medium circulating pump, after unboiled water adds thermal sub-system heating unboiled water, return solar collector, reciprocation cycle again.
Above-mentioned power station unboiled water heating system, wherein, unboiled water adds the thermal sub-system water heater of making a living, and it directly utilizes heat-conducting medium to add the thermo-power station unboiled water.
Above-mentioned power station unboiled water heating system, wherein, said unboiled water adds thermal sub-system and comprises steam generator, unboiled water heater, air suspended type oxygen-eliminating device and hydrophobic delivery pump; Said steam generator is arranged on thermal storage and energy accumulation device downstream; Be connected with solar collector respectively at the thermal storage and energy accumulation device through the heat-conducting medium pipeline, heat-conducting medium behind the release heat generation steam, returns solar collector in steam generator; The unboiled water heater is connected through steam pipework with steam generator; Said unboiled water heater, air suspended type oxygen-eliminating device, hydrophobic delivery pump, said steam generator form steam-hydrophobic loop, and the steam that in steam generator, generates is sent into the unboiled water heater through steam pipework, and be hydrophobic in order to formation after adding the thermo-power station unboiled water; Return steam generator by hydrophobic delivery pump, reciprocation cycle through the air suspended type oxygen-eliminating device.
Above-mentioned power station unboiled water heating system, storing in the wherein said thermal storage and energy accumulation device has heat accumulation working medium, and said heat accumulation working medium is from also storing from absorption portion heat the heat-conducting medium of solar thermal collector.
Above-mentioned power station unboiled water heating system, said heat-conducting medium is a conduction oil.
Above-mentioned power station unboiled water heating system, said solar thermal collector are slot type or tower or dish formula.
Said system is when solar irradiation is sufficient, and power conversion is carried out by the flow sequence of heat absorption, energy storage, unboiled water heating immediately, and unboiled water is heated; When no solar irradiation, utilize the thermal storage and energy accumulation device heat release that is provided with in the system, realize continuous heating to unboiled water.
Description of drawings
Fig. 1 is first kind of embodiment schematic diagram of the heating system of the utility model.
Fig. 2 is second kind of embodiment schematic diagram of the heating system of the utility model.
The specific embodiment
Should do further elaboration with the system implementation example below in conjunction with accompanying drawing 1 and 2 pairs in accompanying drawing.
Shown in accompanying drawing 1; Most crucial equipment is the solar collector 1 of slot type or tower or dish formula in this power station unboiled water heating system; The area of solar collector 1 calculates according to the size of institute's energy requirement; Solar light irradiation is assembled through optical principle on the minute surface of gatherer 1, produces hyperthermia radiation heat.
Hyperthermia radiation heat heating heat-conducting medium---the conduction oil 2 that solar collector 1 produces, the high temperature heat conductive oil that absorbs heat is carried through heat-conducting medium circulating pump 3, through thermal storage and energy accumulation device 4, is sent to steam generator 5.
Thermal storage and energy accumulation device 4 stores certain heat, carries out heat release in the time at no solar irradiation, the continuous supply of heat energy utilization in the realization system, and safeguards system runs without interruption.
High temperature heat conductive oil and water heat exchange in steam generator 5, water produces the initial steam of certain pressure and temperature after heating, and as the heating thermal source of unboiled water, and the low temperature conduction oil after the heat exchange turns back to solar collector 1, the flow process circulation.
The unboiled water 6 that the power plant project make-up system attracts is delivered to unboiled water heater 7; The heating steam 8 that in steam generator 5, produces is simultaneously also drawn and is received unboiled water heater 7; The two heat exchange in unboiled water heater 7 (vapour phase-liquid phase heat exchange), unboiled water 6 is delivered to chemical water treatment system 12 desalinations after being heated to uniform temperature.
Heating steam cooling back produces in the unboiled water heater 7 hydrophobic 9 delivers to air suspended type oxygen-eliminating device 10, and hydrophobic 9 in oxygen-eliminating device 10 after the deoxidation, delivers to steam generator 5, the flow process circulation after being boosted by hydrophobic delivery pump 11.
Shown in accompanying drawing 2, on the basis of first kind of embodiment, cancelled the relevant device of steam and draining system thereof, high temperature heat conductive oil 6 directly carries out heat exchange (liquid phase-liquid phase heat exchange) with unboiled water through unboiled water heater 7, and flow process circulates the same.
When said system and device is implemented, can be nearby in the specialty chemical workshop and periphery install, reduce the quantities that is connected with the pipeline of main building.
All are provided with above-mentioned partly or entirely similar, similar or approximate system and all belong to this patent protection domain; Any modification of within design philosophy of the present invention and principle, being made, be equal to replacement, improvement etc., also all should be included within protection scope of the present invention.

Claims (6)

1. power station unboiled water heating system; It is characterized in that this system comprises that the solar collector, heat-conducting medium circulating pump, thermal storage and energy accumulation device and the unboiled water that are connected successively by pipeline add thermal sub-system; After heat-conducting medium absorbs heat in the pipeline in solar collector; Send into thermal storage and energy accumulation device storage area energy through the heat-conducting medium circulating pump, after unboiled water adds thermal sub-system, return solar collector, reciprocation cycle again.
2. power station according to claim 1 unboiled water heating system, wherein, unboiled water adds the thermal sub-system water heater of making a living, and it directly utilizes heat-conducting medium to add the thermo-power station unboiled water.
3. power station according to claim 1 unboiled water heating system; Wherein, Said unboiled water adds thermal sub-system and comprises steam generator, unboiled water heater, air suspended type oxygen-eliminating device and hydrophobic delivery pump, and said steam generator is arranged on thermal storage and energy accumulation device downstream, is connected with solar collector with the thermal storage and energy accumulation device respectively through the heat-conducting medium pipeline; After heat-conducting medium release heat in steam generator produces steam; Return solar collector, the unboiled water heater is connected through steam pipework with steam generator, and said unboiled water heater, air suspended type oxygen-eliminating device, hydrophobic delivery pump, said steam generator form steam-hydrophobic loop; The steam that in steam generator, generates is sent into the unboiled water heater through steam pipework; Hydrophobic in order to formation after adding the thermo-power station unboiled water, return steam generator by hydrophobic delivery pump, reciprocation cycle through the air suspended type oxygen-eliminating device.
4. according to any described power station unboiled water heating system of claim 1 to 3, storing in the wherein said thermal storage and energy accumulation device has heat accumulation working medium, and said heat accumulation working medium is from also storing from absorption portion heat the heat-conducting medium of solar thermal collector.
5. according to any described power station unboiled water heating system of claim 1 to 3, said heat-conducting medium is a conduction oil.
6. according to any described heating system of claim 1 to 3, said solar thermal collector is slot type or tower or dish formula.
CN 201120226475 2011-06-30 2011-06-30 Raw water heating system for power station Expired - Fee Related CN202118881U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120226475 CN202118881U (en) 2011-06-30 2011-06-30 Raw water heating system for power station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120226475 CN202118881U (en) 2011-06-30 2011-06-30 Raw water heating system for power station

Publications (1)

Publication Number Publication Date
CN202118881U true CN202118881U (en) 2012-01-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120226475 Expired - Fee Related CN202118881U (en) 2011-06-30 2011-06-30 Raw water heating system for power station

Country Status (1)

Country Link
CN (1) CN202118881U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102818359A (en) * 2012-08-30 2012-12-12 辽宁中昊新技术有限公司 Plate type coupling low-temperature flue gas waste heat recovery device for heating raw water
CN107208880A (en) * 2015-01-23 2017-09-26 西门子公司 Raw water preheating in power generating equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102818359A (en) * 2012-08-30 2012-12-12 辽宁中昊新技术有限公司 Plate type coupling low-temperature flue gas waste heat recovery device for heating raw water
CN107208880A (en) * 2015-01-23 2017-09-26 西门子公司 Raw water preheating in power generating equipment

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
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

CP01 Change in the name or title of a patent holder

Address after: 010020 the Inner Mongolia Autonomous Region Hohhot City Xilin Road No. 209

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

Address before: 010020 the Inner Mongolia Autonomous Region Hohhot City Xilin Road No. 209

Patentee before: Inner Mongolia Electric Power Survey Design Institute

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120118

Termination date: 20200630