CN201662278U - Device capable of improving energy utilization rate of tri-generation system - Google Patents
Device capable of improving energy utilization rate of tri-generation system Download PDFInfo
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- CN201662278U CN201662278U CN2010201015285U CN201020101528U CN201662278U CN 201662278 U CN201662278 U CN 201662278U CN 2010201015285 U CN2010201015285 U CN 2010201015285U CN 201020101528 U CN201020101528 U CN 201020101528U CN 201662278 U CN201662278 U CN 201662278U
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- valve
- circulating pump
- heat exchanger
- main frame
- cold
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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
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Abstract
The utility model relates to a device capable of improving the energy utilization rate of a tri-generation system, which comprises a cold storage tank, a first circulating pump, a second circulating pump, a plate-type heat exchanger, a first valve, a second valve, a third valve, a fourth valve, a fifth valve and a sixth valve; the input end and the output end of a double-working condition host form a loop together with the first valve, the cold storage tank, the first circulating pump, the second valve, the plate-type heat exchanger, the third valve and the second circulating pump; the fourth valve is parallelly connected with the first valve and the cold storage water tank; the fifth valve is parallelly connected with the first circulating pump, the second valve and the plate-type heat exchanger; the other input end and the other output end of the double-working condition host are parallelly connected with the sixth valve; the refrigeration of the host and the cold discharge of an ice tank are simultaneous, thereby further reducing the cooling water temperature and best improving the output power of a gas turbine; simultaneously, a user terminal is suggested to adopting a low-temperature air supply method; and the capacity of the host and the ice-storage tank is greatly reduced, thereby being beneficial to reducing the investment cost.
Description
Technical field
The utility model relates to a kind of device that improves efficiency of energy utilization, especially a kind of device that improves the combined supply system efficiency of energy utilization.
Background technology
Comprehensive effects such as cold, heat and power triple supply system has energy savings, improves environment, the supply that increases electric power, implementing the strategy of sustainable development and improving under the policy guide of comprehensive utilization of resources efficient, national encourage growth is the thermoelectric cold coproduction project of the gas turbine of fuel with the natural gas.Owing to be subjected to the restriction that gas turbine power generation only can be satisfied building basic electricity load, the fume afterheat amount can't satisfy heating and cooling demand usually, system need be provided with compression refrigerating machine and gas fired-boiler, even energy storage equipment etc. is as the supplementary energy supply equipment, this has not only increased system's cost of investment, the also big heavy discount of energy-saving efficiency.The gas turbine power output depends on the air flowing quality, and because of gas turbine is the power-equipment that constant volume flows, so the air flowing quality depends on atmospheric density, and atmospheric density is relevant with temperature.Summer environment temperature height, the air conditioner refrigerating electric power strengthens, and requires the gas turbine Maximum Power Output, but this moment, atmospheric density was little, and power output reduces on the contrary, has constituted a pair of outstanding contradiction.
Traditional supplementary energy equipment, as electronic cooling-water machine and gas fired-boiler, cost of investment is relative with operating cost higher, can not reach the purpose of energy-saving and emission-reduction; Gas turbine is subjected to the influence of outside air temperature bigger, and summer, outdoor temperature raise, and atmospheric density reduces, and the generated output of gas turbine reduces; Utilize the direct cooling gas turbine intake air of electronic cooling-water machine, the cost of investment height, operational efficiency is low, and cooling effect also can be affected simultaneously; Summer in winter load does not match and causes the imbalance in underground temperature field, and the operational efficiency of earth source heat pump can reduce year by year.
Summary of the invention
The technical problem that solves
The utility model provides a kind of device that improves the combined supply system efficiency of energy utilization, has solved above-mentioned described energy resource supply equipment investment cost operating cost height, the technical problem that supply arrangement usefulness is low.
The utility model is the technical solution problem by the following technical solutions:
A kind of device that improves the combined supply system efficiency of energy utilization, underground water source comprise duplexing condition main frame, water intake well, inverted well, and the input of described duplexing condition main frame is connected with water intake well, and the output of duplexing condition main frame is connected with inverted well; Load side comprises cold-storage tank, first circulating pump, second circulating pump, plate type heat exchanger, first valve, second valve, the 3rd valve, the 4th valve, the 5th valve, the 6th valve, and the input of the load side of described duplexing condition main frame, output and first valve, cold-storage tank, first circulating pump, second valve, plate type heat exchanger, the 3rd valve, second circulating pump form the loop; The 4th valve is connected in parallel on first valve and the cold-storage tank, and the 5th valve is connected in parallel on first circulating pump, second valve and the plate type heat exchanger, the input of the load side of duplexing condition main frame, output the 6th valve also in parallel.
The device of raising combined supply system efficiency of energy utilization described in the utility model, also comprise air heat exchanger, compressor, gas turbine, generator, described air heat exchanger connects compressor and also is connected in parallel on the 3rd valve, and compressor connects gas turbine, gas turbine connects generator.
The device of raising combined supply system efficiency of energy utilization described in the utility model also comprises the 3rd circulating pump, described the 3rd circulating pump and plate type heat exchanger, the terminal loop that forms of user.
A kind of device that improves the combined supply system efficiency of energy utilization described in the utility model, described first circulating pump and second circulating pump are the glycol circulation pump.
Beneficial effect
Combined supply system supplementary energy supply equipment, promptly can heat also can chilled water, and a tractor serves several purposes reduces cost of investment, utilizes regenerative resource, improves efficiency of energy utilization; Air heat exchanger is born a part of refrigeration duty, for the area of Building Heat load greater than refrigeration duty, helps balance soil cooling and heating load, stably source source pump operational efficiency; The power output of gas turbine is influenced obviously by ambient air temperature, and the gas turbine inlet air is cooled off, and can improve its power output; Even do not drive refrigeration machine in electrical network minimizing peak period, make full use of electric energy at the electrical network low-valley interval and come ice making to store cold, played the effect of peak load regulation network; Utilize the latent heat released cold quantity of ice, the medium temperature of air supply heat exchanger can be controlled in below 3 ℃, has strengthened the heat transfer temperature difference of air and heat exchanger, has dwindled heat transfer area, and the size of heat exchanger also greatly reduces; Main frame refrigeration and ice groove are released the cold while method of operation, further reduced coolant water temperature, improved the power output of gas turbine to greatest extent, the user is terminal simultaneously should adopt the cold air distribution mode, main frame and Ice Storage Tank capacity greatly reduce, and help to reduce cost of investment.
Description of drawings
Fig. 1 is the utility model structural representation;
Among the figure: 1 is that duplexing condition main frame, 2 is that water intake well, 3 is that inverted well, 4 is that cold-storage tank, 5 is that first circulating pump, 6 is that second circulating pump, 7 is that plate type heat exchanger, 8 is that first valve, 9 is that second valve, 10 is that the 3rd valve, 11 is that the 4th valve, 12 is that the 5th valve, 13 is that the 6th valve, 14 is that air heat exchanger, 15 is that compressor, 16 is that gas turbine, 17 is that generator, 18 is the 3rd circulating pump.
The specific embodiment
Below in conjunction with description of drawings the utility model is further described:
As shown in the figure: a kind of device that improves the combined supply system efficiency of energy utilization, the underground water source comprises duplexing condition main frame 1, water intake well 2, inverted well 3, the input of described duplexing condition main frame 1 is connected with water intake well 2, and the output of duplexing condition main frame 1 is connected with inverted well 3; Load side comprises cold-storage tank 4, first circulating pump 5, second circulating pump 6, plate type heat exchanger 7, first valve 8, second valve 9, the 3rd valve 10, the 4th valve 11, the 5th valve 12, the 6th valve 13, and another input of described duplexing condition main frame 1, output and first valve 7, cold-storage tank 4, first circulating pump 5, second valve 9, plate type heat exchanger 7, the 3rd valve 10, second circulating pump 6 form the loop; The 4th valve 11 is connected in parallel on first valve 8 and the cold-storage tank 4, and the 5th valve 12 is connected in parallel on first circulating pump 6, second valve 9 and the plate type heat exchanger 7, another input of duplexing condition main frame 1, output the 6th valve 13 also in parallel; Described the 3rd circulating pump 18 forms the loop with plate type heat exchanger 7, user side.
Air heat exchanger 14, compressor 15, gas turbine 16, generator 17, described air heat exchanger 14 connects compressor 15 and also is connected in parallel on the 3rd valve 10, and compressor 15 connects gas turbine 16, gas turbine 16 connects generator 17; First circulating pump 5 and second circulating pump 6 are the glycol circulation pump.
According to gas turbine air mass flow, design environment temperature and the locality highest temperature in summer, determine air heat exchanger 14 refrigeration work consumptions, heat exchange area and type.According to the volume of valley power consumption time, peak Elapsed Time and the definite cold-storage tank 4 of refrigeration duty size, and the refrigeration capacity of duplexing condition main frame 1, wherein refrigeration duty comprises the refrigeration work consumption and the user side cooling load of aerial cooler.Main frame is connected with the terminal plate type heat exchanger 7 that adopts of user, if adopt soil source heat pump, other heat pump form such as sewage source heat pump, duplex condition main frame 1 water source side-draw well 2, but inverted well 3 respective change are buried tube heat exchanger, sewage heat exchanger etc., and system's other parts type of attachment is constant.The lift of first circulating pump 5 need overcome the resistance of main frame evaporimeter, cold-storage tank 4, air heat exchanger 14.The lift of second circulating pump 6 need overcome the resistance of plate type heat exchanger 7.Second valve 6 is consistent with the flow of the 3rd circulating pump 18, and the size of flow is by air heat exchanger and the terminal peak load simultaneously of user, and heat transfer temperature difference is determined.The lift of first circulating pump 5 need overcome pipe network and user terminal and resistance, flow is by the terminal peak load of user, heat transfer temperature difference is determined.
The introduction of various operational modes and valve opening degree are as shown in table 1.
| Operating mode | First valve | Second valve | The 3rd valve | The 4th valve | The 5th valve | The 6th valve |
| Pattern 1: main frame ice-reserving | Open | Close | Open | Close | Open | Close |
| Pattern 2: main frame ice-reserving+cooling air | Open | Close | Open | Close | Close | Close |
| Mode 3: the ice groove is released cold+cooling air | Regulate | Regulate | Close | Open | Close | Open |
| Pattern 4: main frame cooling+ice groove is released cold+cooling air | Regulate | Regulate | Close | Open | Close | Close |
| Pattern 5: main frame cooling+cooling air | Close | Open | Close | Open | Close | Close |
| Pattern 6: main frame heat supply | Close | Open | Close | Open | Open | Close |
| Mode 7: standby | Close | Open | Open | Close | Open | Close |
The method of operation:
Summer, the electrical network low-valley interval adopted pattern 1, opened duplexing condition main frame 1 cold-storage, if need cool off air simultaneously when cold-storage, adopted enabled mode 2, and a part of working medium enters 5. cooling gas turbine intake air of heat exchanger.The summer electrical network can adopt mode 3 peak period, only rely on ice storage unit that 4. the cold cold that provides is provided, perhaps adopt pattern 4, release cold duplexing condition main frame 1 refrigeration of opening simultaneously at cold-storage tank 4, further reduce coolant water temperature, improved the power output of gas turbine to greatest extent.After Ice Storage Tank is melted fully, can adopt pattern 5.If user side need provide air conditioning water, can open first circulating pump 6, the 3rd circulating pump 18 and second valve 9, carry out heat exchange by plate type heat exchanger 7 and host computer side.If user side does not need to provide air conditioning water, close first circulating pump 6, the 3rd circulating pump 18 and second valve 9, second circulating pump 6 all is in opening under above pattern.
In winter, outdoor temperature reduces, and employing pattern 6 is opened pump first circulating pump 5, second circulating pump 6 and the 3rd circulating pump 18.
In non-heating, and cold supplying season, do not need plate type heat exchanger 7 heat exchange, employing pattern 1, pattern 5, and close first circulating pump 5 and the 3rd circulating pump 18 and second valve 9, open second circulating pump 6.
Claims (4)
1. device that improves the combined supply system efficiency of energy utilization, the underground water source comprises duplexing condition main frame (1), water intake well (2), inverted well (3), the input of described duplexing condition main frame (1) is connected with water intake well (2), and the output of duplexing condition main frame (1) is connected with inverted well (3); Load side comprises cold-storage tank (4), first circulating pump (5), second circulating pump (6), plate type heat exchanger (7), first valve (8), second valve (9), the 3rd valve (10), the 4th valve (11), the 5th valve (12), the 6th valve (13), and the input of the load side of described duplexing condition main frame (1), output and first valve (8), cold-storage tank (4), first circulating pump (5), second valve (9), plate type heat exchanger (7), the 3rd valve (10), second circulating pump (6) form the loop; The 4th valve (11) is connected in parallel on first valve (8) and the cold-storage tank (4), the 5th valve (12) is connected in parallel on first circulating pump (6), second valve (9) and the plate type heat exchanger (7), the input of the load side of duplexing condition main frame (1), output the 6th valve (13) also in parallel.
2. the device of raising combined supply system efficiency of energy utilization according to claim 1, it is characterized in that: also comprise air heat exchanger (14), compressor (15), gas turbine (16), generator (17), described air heat exchanger (14) connects compressor (15) and also is connected in parallel on the 3rd valve (10), and compressor (15) connects gas turbine (16), gas turbine (16) connects generator (17).
3. the device of raising combined supply system efficiency of energy utilization according to claim 1 is characterized in that: also comprise the 3rd circulating pump (18), described the 3rd circulating pump (18) and plate type heat exchanger (7), the terminal loop that forms of user.
4. a kind of device that improves the combined supply system efficiency of energy utilization according to claim 1 is characterized in that: described first circulating pump (5) is the glycol circulation pump with second circulating pump (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201015285U CN201662278U (en) | 2010-01-22 | 2010-01-22 | Device capable of improving energy utilization rate of tri-generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201015285U CN201662278U (en) | 2010-01-22 | 2010-01-22 | Device capable of improving energy utilization rate of tri-generation system |
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| Publication Number | Publication Date |
|---|---|
| CN201662278U true CN201662278U (en) | 2010-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201015285U Expired - Fee Related CN201662278U (en) | 2010-01-22 | 2010-01-22 | Device capable of improving energy utilization rate of tri-generation system |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290883A (en) * | 2013-05-12 | 2013-09-11 | 秦作栋 | Method for improving groundwater recharging efficiency by deaerating recharging water through negative pressure |
| CN103335467A (en) * | 2013-07-15 | 2013-10-02 | 深圳市燃气集团股份有限公司 | LNG energy comprehensive utilization system |
| CN110220341A (en) * | 2019-06-05 | 2019-09-10 | 广东海洋大学 | A kind of power generation and ice making association system using natural gas overbottom pressure |
| CN113266471A (en) * | 2021-05-27 | 2021-08-17 | 国电环境保护研究院有限公司 | Gas turbine inlet air temperature control system based on ground source heat pump and control method thereof |
-
2010
- 2010-01-22 CN CN2010201015285U patent/CN201662278U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290883A (en) * | 2013-05-12 | 2013-09-11 | 秦作栋 | Method for improving groundwater recharging efficiency by deaerating recharging water through negative pressure |
| CN103335467A (en) * | 2013-07-15 | 2013-10-02 | 深圳市燃气集团股份有限公司 | LNG energy comprehensive utilization system |
| CN110220341A (en) * | 2019-06-05 | 2019-09-10 | 广东海洋大学 | A kind of power generation and ice making association system using natural gas overbottom pressure |
| CN113266471A (en) * | 2021-05-27 | 2021-08-17 | 国电环境保护研究院有限公司 | Gas turbine inlet air temperature control system based on ground source heat pump and control method thereof |
| CN113266471B (en) * | 2021-05-27 | 2022-04-08 | 国电环境保护研究院有限公司 | Gas turbine inlet air temperature control system based on ground source heat pump and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20120122 |