CN203271921U - Combined heat and power closed heat supply system of gas turbine generating set - Google Patents
Combined heat and power closed heat supply system of gas turbine generating set Download PDFInfo
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- CN203271921U CN203271921U CN201320269623XU CN201320269623U CN203271921U CN 203271921 U CN203271921 U CN 203271921U CN 201320269623X U CN201320269623X U CN 201320269623XU CN 201320269623 U CN201320269623 U CN 201320269623U CN 203271921 U CN203271921 U CN 203271921U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
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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
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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
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
The utility model relates to a combined heat and power closed heat supply system of a gas turbine generating set. The closed steam heat supply system is composed of the gas turbine generating set, a waste heat boiler, a waste-heat water heater, a hot water storage tank, heat consuming equipment, a secondary steam generator, matched connecting pipes and the like, wherein the waste heat boiler is connected with the waste-heat water heater, and the waste-heat water heater utilizes a circulating pipe, a circulating pump and the hot water storage tank to form a forced-circulation loop. The combined heat and power closed heat supply system avoids the loss of substances and heat in the heat exchange process of working substances, the heat efficiency is high, and the working substances do not have secondary pollution, so that the pollution discharge amount of the boiler is significantly reduced. During operation, the water supply amount can be controlled below 1 percent. The waste-heat water heater recovers most of latent heat and sensible heat in tail gas so that the integrated heat efficiency is significantly increased, which plays a significant role on reducing the project cost and reducing the heat supply cost. The technology can be used in combined cooling heating and power of airports, hotels and schools and the industrial fields of food, beer, light textile, chemical engineering and the like.
Description
Technical field
The utility model belongs to Thermal Power Engineering systems technology field, relates to a kind of Gas Turbine Generating Units cogeneration of heat and power sealing heating system.
Background technique
The Gas Turbine Generating Units general reference uses the dynamic power unit that comprises internal-combustion engine take gas turbine as main flow of gas, liquid fuel.At present, the technology of comparative maturity in main distributed gas turbine generator set cogeneration of heat and power take rock gas as fuel, market is also progressively enlarging, but steam heating system still has working medium, and the loss of matter and heat is large in heat exchanging process, thermal efficiency heating system is lower, sensible heat and latent heat in the exhaust heat boiler smoke evacuation fail to be fully utilized, engineering cost and the higher problem of heat cost, how further improves also to lack more analysis and research aspect the heating system heat utilization efficiency of Gas Turbine Generating Units cogeneration of heat and power.
The model utility content
The purpose of this utility model is the problem that prior art exists is solved, and provides a kind of project organization rationally and has the Gas Turbine Generating Units cogeneration of heat and power sealing heating system of higher integrated heat efficiency.
the technical solution that adopts for achieving the above object is such: the Gas Turbine Generating Units cogeneration of heat and power sealing heating system that provides contains Gas Turbine Generating Units, exhaust heat boiler, residue heat water heater, the hot water tank, a plurality ofly use hot equipment, secondary steam generator, the low level condensation tank, water tank, high temperature pump, recycle pump, gas-distributing cylinder, main steam header, steam main, solidifying water pipe, Circulation pipe and supporting connecting tube, the flue of Gas Turbine Generating Units is connected with the mouth that advances of exhaust heat boiler, the smoke exhaust port of exhaust heat boiler is connected smoke inlet and is connected with residue heat water heater, the water outlet of residue heat water heater is connected Circulation pipe is connected respectively the upper and lower and connects with water intake with the hot water tank, wherein at water intake circulation pipeline section, recycle pump is housed and consists of the pump circulation loop, the steam (vapor) outlet of exhaust heat boiler is connected with the steam inlet of gas-distributing cylinder by main steam header, the steam ouput of gas-distributing cylinder passes to respectively each with hot equipment and secondary steam generator top steam inlet by steam main, is connected water pot top connection with low level with the solidifying water pipe of hot equipment, secondary steam generator bottom, the solidifying water pot of low level bottom is connected with water tank by the solidifying water pipe that high temperature pump is housed, the water tank bottom is connected with exhaust heat boiler by the solidifying water pipe that high temperature pump is housed, and water tank top is equipped with and is connected with main steam header connecting tube.
The further technological scheme of the utility model also comprises: the steam heating system of this Gas Turbine Generating Units cogeneration of heat and power sealing heating system is totally-enclosed operation.
The further technological scheme of the utility model also comprises: be the solidifying water pipe that adopts two phase flow semicanal gravity flow operation with each solidifying water pipe that is connected with hot equipment, secondary steam generator and low level condensation tank in system.
The further technological scheme of the utility model also comprises: be provided with afterburner in the smoke inlet flue of exhaust heat boiler, to improve flue-gas temperature and flow, satisfy the air feed demand.
The further technological scheme of the utility model also comprises: be provided with secondary steam generator in the steam heating system of this Gas Turbine Generating Units cogeneration of heat and power sealing heating system, the secondary steam of its generation can be supplied the occasion of steam direct heat transfer.
The further technological scheme of the utility model also comprises: owing to will losing a small amount of water in this system, therefore be provided with the For Miniature Ro Membrane water treatment unit that replenishes demineralized water to exhaust heat boiler in system.
The further technological scheme of the utility model also comprises: consist of the pressure hot water cyclesystem by residue heat water heater, hot water tank, recycle pump and Circulation pipe, residue heat water heater wherein absorbs most of latent heat and sensible heat in tail gas, can produce the hot water more than 50 ℃, supply domestic hot-water or production hot water.
The further technological scheme of the utility model also comprises: in the steam heating system in system, the supporting lithium bromide adsorption water chilling unit that is provided with steam type can be realized hot and cold, electric three alliances.
in heating system real work described in the utility model, 400～600 ℃ of high-temperature flue gas of being discharged by Gas Turbine Generating Units enter exhaust heat boiler, exhaust heat boiler produces the hot equipment of using in the steam supply steam heating system, when as higher in the steam parameter that needs with hot equipment and steam flow is larger, can improve flue-gas temperature and flow by the mode of setting up afterburner in entering the flue of exhaust heat boiler, satisfy the demand of system's end steam steam supply, afterburner also can be used to increase the exhaust heat boiler steam producing amount, the demand that between satisfying in steam heating system at a time, the section steam supplying amount increases, therefore afterburner has played the effect of regulating end steam heating system heat load, because steam heating system belongs to closed operation, steam is emitted latent heat and is become condensed water in hot equipment, solidifying water is sent back to boiler by high temperature pump after coming together in the low level condensation tank again, solidifying water in the operating mode of sealing except having radiation loss temperature than hanging down 30 ℃ of left and right for stripping temperature, its temperature is more than 120 ℃, and the temperature difference between the exhaust heat boiler temperature of exhaust fume is less, so temperature of exhaust fume is still higher, contain water vapor in flue gas due to the discharge of the exhaust heat boiler take rock gas as the fuel turbine generator set again, therefore the exhaust heat boiler end arranges residue heat water heater, be used for the sensible heat of exhaust heat boiler and latent heat are further recycled, and the hot water of producing more than 50 ℃ is used, to improve integrated heat efficiency.Residue heat water heater can replace economizer at this.
Compared with prior art, the beneficial effect that the utlity model has is: Gas Turbine Generating Units cogeneration of heat and power sealing heating system end steam heating system working medium (water) circulates in complete totally enclosed system with vapour-liquid-vapour phase deformation states, working medium matter and hot loss in heat exchanging process have been avoided, improved to greatest extent the thermal efficiency of steam heating system, sensible heat and latent heat in the exhaust heat boiler smoke evacuation are fully utilized; Working medium in system circulates under complete totally enclosed state, has avoided Working medium pollution, makes boiler blow-off amount decrease, and its rate of water make-up that is in operation can be controlled in below 1%; Needn't fill drain valve with the solidifying water pipe that is connected with the low level condensation tank with hot equipment in the utility model, avoid the leakage losses of drain valve; User engineering design electricity determining by heat seals heat load the raising of heating system heat utilization rate to reducing engineering cost as the Gas Turbine Generating Units cogeneration of heat and power of basic design parameters, reduce heat cost, improves the Economy performance remarkable effect of system.Of the present utility model applying can play a significant role to the clean energy resource of saving this high-quality of rock gas, makes the limited larger benefit of natural gas resource performance, also can save a large amount of water resourcess.
Description of drawings
Fig. 1 is the theory structure schematic diagram of a specific embodiment of the utility model.
In figure, the title of each number designation is respectively: 1-Gas Turbine Generating Units, 2-bypass flue, 3-afterburner, 4-exhaust heat boiler, the 5-residue heat water heater, 6-recycle pump, 7-Circulation pipe, 8-hot water tank, the 9-high temperature pump, 10-main steam header, 11-water tank, 12-connecting tube, 13-gas-distributing cylinder, 14-steam main, the hot equipment of 15-, the 16-high temperature pump, 17-coagulates water pipe, 18-low level condensation tank, 19-secondary steam generator, 20-secondary steam pipe.
In accompanying drawing, heavy line represents steam tube, and dotted line represents solidifying water pipe, and dot and dash line represents Circulation pipe.
Embodiment
Below with reference to accompanying drawing, the utility model content is described further, but practical application form of the present utility model is not limited in illustrated embodiment.
Referring to accompanying drawing, Gas Turbine Generating Units cogeneration of heat and power sealing heating system described in the utility model is comprised of with hot equipment 15, secondary steam generator 19, the solidifying water pot 18 of low level, water tank 11, main steam header 10, steam main 14, solidifying water pipe 17, Circulation pipe 7, high temperature pump 9, high temperature pump 16, recycle pump 6 and other supporting valve, instrument, pipeline etc. Gas Turbine Generating Units 1, afterburner 3, exhaust heat boiler 4, residue heat water heater 5, hot water tank 8, gas-distributing cylinder 13, (a plurality of).In the flue that Gas Turbine Generating Units and 1 exhaust heat boiler 4 are communicated with, afterburner 3 is housed, the smoke inlet that exhaust heat boiler 4 smoke exhaust ports are connected with residue heat water heater connects, main steam header 10 is connected connection with gas-distributing cylinder, the steam ouput of gas-distributing cylinder 13 connects many steam mains 14, are connected with secondary steam generator with hot equipment 15 and are connected respectively connection with steam main, the heat in residue heat water heater 5 is absorbed by boiler the hot equipment of steam supply that produces; The top water inlet of being connected with the low level condensation tank with the solidifying water pipe 17 of hot equipment connects; Are connected with water tank and connect and high temperature pump 16 is housed in low level condensation tank 18 bottoms; Connection is connected by the solidifying water pipe that high temperature pump 9 is housed in the bottom of water tank 11 with exhaust heat boiler, water tank 11 tops are equipped with and are connected connection connecting tube 12 with main steam header; The upper and lower that residue heat water heater 5 is connected with the hot water tank respectively by Circulation pipe 7 connects, and at the bottom of hot water tank 8 circulation pipeline section, recycle pump 6 is housed.
In above-mentioned Gas Turbine Generating Units cogeneration of heat and power sealing heating system, afterburner 3 is mainly the heat load of steam regulation heating system, satisfy the heat of using of heating system different time sections, also can be used to improve the satisfied thermal process demand with hot equipment of steam heating parameter.
In this system, are connected with hot equipment 15, secondary steam generator 20 and low level condensation tank the solidifying water pipe 17 that connects and move for the gravity flow of two phase flow semicanal.
Heating system described in the utility model is totally-enclosed operation.Theoretically, working medium is in heat exchange, and matter and heat outwards do not run off; Being in operation does not exist oxygen corrosion, and the steam heating system thermal efficiency is up to 97.8%, and rate of water make-up is 0.5%, and a small amount of moisturizing can by small-sized anti-seepage membrane water purification unit supply, need not be established oxygen-eliminating device.In addition, the residue heat water heater 5 in this system consists of the pump circulation loop by Circulation pipe 7, recycle pump 6 and hot water tank 8, the sensible heat in the tail end flue gas and latent heat is fully absorbed to produce produce hot water or domestic hot-water, makes steam generator system reach the very high thermal efficiency.
System described in the utility model is specially adapted to the distributed Gas Turbine Generating Units cogeneration of heat and power that the places such as airport, hotel, hotel, hospital and school arrange, as the lithium bromide adsorption water chilling unit of supporting steam type, practicable hot and cold, electric three alliances; This system also is specially adapted to produce the distributed energy resource system that establishes one's own system with the industries such as the larger beer of hot water amount, pharmacy, weaving, papermaking, printing and dyeing and other industry and the big-and-middle-sized boats and ships heating system take gas turbine as power; Native system is equally applicable to the internal combustion engine generator set cogeneration of heat and power take combustion gas or fuel oil as fuel.
Claims (8)
1. heating system is sealed in a Gas Turbine Generating Units cogeneration of heat and power, contain Gas Turbine Generating Units (1), exhaust heat boiler (4), residue heat water heater (5), hot water tank (8), the hot equipment of a plurality of use (15), secondary steam generator (19), low level condensation tank (18), water tank (11), high temperature pump (9, 16), recycle pump (6), gas-distributing cylinder (13), main steam header (10), steam main (14), solidifying water pipe (17), Circulation pipe (7) and supporting connecting tube, it is characterized in that: the flue of Gas Turbine Generating Units (1) is connected with the mouth that advances of exhaust heat boiler (4), the smoke exhaust port of exhaust heat boiler (4) is connected 5 with residue heat water heater) smoke inlet connect, the water outlet of residue heat water heater is connected 5 with water intake) be connected 8 with the hot water tank respectively by Circulation pipe (7)) the upper and lower connect, wherein at water intake circulation pipeline section, recycle pump (6) is housed and consists of the pump circulation loop, the steam (vapor) outlet of exhaust heat boiler (4) is connected with the steam inlet of gas-distributing cylinder (13) by main steam header (10), the steam ouput of gas-distributing cylinder (13) passes to respectively each with hot equipment (15) and secondary steam generator (19) top steam inlet by steam main (14), is connected water pot (18) top connection with low level with the solidifying water pipe (17) of hot equipment (15), secondary steam generator (19) bottom, low level coagulates water pot (18) bottom is connected 11 by the solidifying water pipe that high temperature pump (16) is housed with water tank) connect, water tank (11) bottom is connected 4 by the solidifying water pipe that high temperature pump (9) is housed with exhaust heat boiler) connect, water tank top is equipped with connecting tube (12) and is connected 10 with main steam header) connection.
2. Gas Turbine Generating Units cogeneration of heat and power sealing heating system according to claim 1 is characterized in that: the steam heating system of this Gas Turbine Generating Units cogeneration of heat and power sealing heating system is totally-enclosed operation.
3. Gas Turbine Generating Units cogeneration of heat and power according to claim 1 sealing heating system is characterized in that: be connected 18 with hot equipment (15), secondary steam generator (19) with the low level condensation tank in system with each) the solidifying water pipe (17) that the is connected solidifying water pipe that flows automatically and move for employing two phase flow semicanal.
4. Gas Turbine Generating Units cogeneration of heat and power sealing heating system according to claim 1 is characterized in that: be provided with afterburner (3) in the smoke inlet flue of exhaust heat boiler (4).
5. Gas Turbine Generating Units cogeneration of heat and power sealing heating system according to claim 1 is characterized in that: be provided with secondary steam generator (19) in the steam heating system of this Gas Turbine Generating Units cogeneration of heat and power sealing heating system.
6. Gas Turbine Generating Units cogeneration of heat and power sealing heating system according to claim 1 is characterized in that: be provided with the For Miniature Ro Membrane water treatment unit that replenishes demineralized water to exhaust heat boiler (4) in system.
7. Gas Turbine Generating Units cogeneration of heat and power sealing heating system according to claim 1 is characterized in that: be made of residue heat water heater (5), hot water tank (8), recycle pump (6) and Circulation pipe (7) and force hot water cyclesystem.
8. Gas Turbine Generating Units cogeneration of heat and power sealing heating system according to claim 1 is characterized in that: the lithium bromide adsorption water chilling unit that can supportingly be provided with steam type in the steam heating system in system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320269623XU CN203271921U (en) | 2013-05-17 | 2013-05-17 | Combined heat and power closed heat supply system of gas turbine generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320269623XU CN203271921U (en) | 2013-05-17 | 2013-05-17 | Combined heat and power closed heat supply system of gas turbine generating set |
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| Publication Number | Publication Date |
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| CN203271921U true CN203271921U (en) | 2013-11-06 |
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| CN201320269623XU Expired - Fee Related CN203271921U (en) | 2013-05-17 | 2013-05-17 | Combined heat and power closed heat supply system of gas turbine generating set |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896556A (en) * | 2014-03-06 | 2015-09-09 | 赵国凌 | Steam heating system utilizing off-peak electricity as energy |
| CN105240815A (en) * | 2015-03-11 | 2016-01-13 | 罗学大 | Waste gas heat recovery steam conversion device and gas generator set |
-
2013
- 2013-05-17 CN CN201320269623XU patent/CN203271921U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896556A (en) * | 2014-03-06 | 2015-09-09 | 赵国凌 | Steam heating system utilizing off-peak electricity as energy |
| CN105240815A (en) * | 2015-03-11 | 2016-01-13 | 罗学大 | Waste gas heat recovery steam conversion device and gas generator set |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20160517 |
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| CF01 | Termination of patent right due to non-payment of annual fee |