CN203605518U - Refrigeration device recovering throttling losses of working medium for power generation - Google Patents
Refrigeration device recovering throttling losses of working medium for power generation Download PDFInfo
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- CN203605518U CN203605518U CN201320697613.6U CN201320697613U CN203605518U CN 203605518 U CN203605518 U CN 203605518U CN 201320697613 U CN201320697613 U CN 201320697613U CN 203605518 U CN203605518 U CN 203605518U
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Abstract
The utility model relates to a refrigeration device recovering throttling losses of working medium for power generation, and belongs to the technical field of excessive pressure power generation. The refrigeration device is composed of a compressor, a condenser, an expansion machine, an evaporator, a speed reducer, a power generator, electric valves, expansion joints, a throttling expansion valve and a filter. An outlet of the compressor is connected with an inlet of the condenser. An outlet of the condenser is respectively connected with an inlet of the first electric valve and an inlet of the second electric valve. An outlet of the second electric valve is connected with an inlet of the first expansion joint. An outlet of the first expansion joint is connected with an inlet of the filter. An outlet of the filter is connected with an inlet of the expansion machine. An outlet of the expansion machine is connected with an inlet of the second expansion joint. An outlet of the second expansion joint is connected with an inlet of the third electric valve. An outlet of the third electric valve is respectively connected with an outlet of the throttling expansion valve and an inlet of the evaporator. An outlet of the evaporator is connected with an inlet of the compressor. An outlet of the first electric valve is connected with an inlet of the throttling expansion valve. A shaft of the expansion machine is connected with a shaft of the power generator through the speed reducer.
Description
Technical field
The utility model belongs to top pressure power generation technical field, and particularly a kind of refrigeration machine throttling that reclaims loses the equipment for generating electricity.
Background technology
Refrigeration plant, in all trades and professions, is especially widely used at field of central air-conditioning.But refrigeration plant has one by the process of throttle expansion valve throttling in running.In this course, working medium expands rapidly, and pressure reduces rapidly, and the grade of working medium contained energy also reduces greatly, causes the huge waste of energy.
As shown in Figure 1, this equipment mainly comprises by compressor 11, condenser 12, expansion valve 13 and is connected successively and forms loop with the large parts of evaporimeter 14 4 conventional refrigeration plant at present.The expression of the running of this kind equipment on tephigram as shown in Figure 2.In Fig. 2,21-22 process realizes in evaporimeter, is isobaric constant temperature process; 22-23 realizes in compressor, is isentropic procedure; 23-24-25 process realizes in condenser, is not constant temperature process of equipressure; 25-21 process realizes by throttle expansion valve, is constant-enthalpy process, and this process is irreversible procedure, has lost expansion work (area that 25-0-21-25 encloses in Fig. 2) in throttling process.
Utility model content
The purpose of this utility model is the restriction loss producing in running in order to reclaim traditional refrigeration plant, propose a kind of throttling that reclaims and lose the refrigeration plant for generating electricity, this equipment can further be saved energy, improves efficiency of energy utilization, increase refrigerating capacity and the thermodynamic perfect degree of refrigeration plant.
The equipment of a kind of restriction loss of reclaiming working medium the utility model proposes for generating electricity, it is characterized in that, this equipment is mainly made up of compressor, condenser, decompressor, evaporimeter, reductor, generator, motor-driven valve, expansion joint, throttle expansion valve and filter, its annexation is: compressor outlet is connected with condenser inlet, the outlet of condenser is connected with the entrance of the second motor-driven valve 72 respectively at the entrance of the first motor-driven valve 71, the outlet of the second motor-driven valve 72 is connected with the entrance of the first expansion joint 81, first outlet of expansion joint 81 and the entrance of filter are connected, the outlet of filter is connected with the entrance of decompressor, the outlet of decompressor is connected with the entrance of the second expansion joint 82, the outlet of the second expansion joint 82 is connected with the entrance of the 3rd motor-driven valve 73, the outlet of the 3rd motor-driven valve 73 is connected with the outlet of throttle expansion valve and the entrance of evaporimeter respectively, the outlet of evaporimeter is connected with the entrance of compressor, first outlet of motor-driven valve 71 and the entrance of throttle expansion valve are connected, the axle of decompressor is connected with the axle of generator by reductor.
Feature of the present utility model and beneficial effect:
This equipment has replaced the throttle expansion valve of traditional refrigeration plant with decompressor, and has increased reductor and generator; This equipment has reclaimed the expansion work of cold-producing medium for generating, can further save the energy consuming in equipment running process, improves the refrigerating capacity of efficiency of energy utilization, thermodynamic perfect degree and the equipment of refrigeration plant.
Accompanying drawing explanation
Fig. 1 is conventional refrigeration plant system schematic.
Fig. 2 is the tephigram of conventional refrigeration plant running.
Fig. 3 be of the present utility model based on reclaim throttling lose the refrigeration plant system schematic for generating electricity
Fig. 4 is the tephigram that recyclable throttling of the present utility model loses the refrigeration plant running for generating electricity
The specific embodiment
What the utility model proposes is described in detail as follows for the structure drawings and the embodiments of generating and cooling equipment based on reclaiming throttling loss:
As shown in Figure 3, this equipment is mainly made up of compressor 1, condenser 2, decompressor 3, evaporimeter 4, reductor 5, generator 6, motor-driven valve 7, expansion joint 8, throttle expansion valve 9 and filtration 10 structure of the present utility model, its annexation is: compressor 1 exports with condenser 2 entrances and is connected, the outlet of condenser 2 is connected with the entrance of motor-driven valve 72 respectively at the entrance of motor-driven valve 71, the outlet of motor-driven valve 72 is connected with the entrance of expansion joint 81, the outlet of expansion joint 81 is connected with the entrance of filter 10, the outlet of filter 10 is connected with the entrance of decompressor 3, the outlet of decompressor 3 is connected with the entrance of expansion joint 82, the outlet of expansion joint 82 is connected with the entrance of motor-driven valve 73, the outlet of motor-driven valve 73 is connected with the entrance of evaporimeter 4 with the outlet of throttle expansion valve 9 respectively, the outlet of evaporimeter 4 is connected with the entrance of compressor 1, the outlet of motor-driven valve 71 is connected with the entrance of throttle expansion valve 9, the axle of decompressor 3 is connected with the axle of generator 6 by reductor 5.
The course of work of the present utility model is: when decompressor is normally worked: motor-driven valve 71 cuts out, motor-driven valve 72,73 is opened, gaseous working medium enters condenser 2 condensation heat releases after compressor 1 compression, be converted into liquid state by gaseous state, liquid refrigerant becomes the gas-liquid mixed working medium that pressure is very low and enters evaporimeter 4 after decompressor 3, evaporation endothermic in evaporimeter 4, becomes gaseous state by gas-liquid mixture, then enters compressor 1.When liquid refrigerant process decompressor 3, expand and do work, promote decelerator 5 and rotate, decelerator 5 drives generator 6 rotary electrifications.When need to stop transport maintenance and while needing cooling of decompressor simultaneously: motor-driven valve 71 is opened, electronic anti-72,73 close, gaseous working medium enters condenser 2 condensation heat releases after compressor 1 compression, be converted into liquid state by gaseous state, liquid refrigerant becomes the gas-liquid mixed working medium that pressure is very low and enters evaporimeter 4 after throttle expansion valve 9, evaporation endothermic in evaporimeter 4, becomes gaseous state by gas-liquid mixture, then enters compressor 1.
Recovery throttling of the present utility model loss is the process in tephigram for the refrigeration plant running that generates electricity, as shown in Figure 4, wherein in process 45-41 process, state point 45 is high-pressure liquid, state point 41 is low-pressure gas-liquid mixture, and in this process, the pressure energy of cold-producing medium promotes decompressor acting generating.
Each device in the utility model equipment all adopts conventional products, and the specific embodiment of each device is respectively described below:
1) compressor 1: helical-lobe compressor (centrifugal compressor), displacement is the ratio of the enthalpy difference of refrigerating capacity and 42-41 process and the density of refrigerant conveying working medium.Be Q/(h42-h41) ρ;
2) condenser 2: shell and tube exchanger, the product of the mass flow of the cold-producing medium of the conveying that heat exchange amount is helical-lobe compressor and 43-45 enthalpy difference.Be Q*(h43-h45)/(h42-h41).Can be calculated according to heat exchange amount and the logarithmic mean temperature difference (LMTD) of heat exchange both sides and the heat transfer coefficient of heat exchanger and sealing factor;
3) decompressor 3: screw expander, SEPG180-50/2400-SS;
4) evaporimeter 4: shell and tube exchanger, heat exchange amount is refrigerating capacity 2000kW; Can be calculated according to heat transfer coefficient and the sealing factor of the logarithmic mean stable yields of heat exchange amount and both sides and heat exchanger;
5) decelerator 5: through-put power is 50kW, speed ratio 1.6;
6) generator 6:50kW-2P-1500rpm-400kV generated energy 50kW;
7) motor-driven valve 71,72,73: having adopted the motor-driven valve of the effect of opening and closing, is matured product; Identical with refrigerant tubing diameter;
8) expansion joint 81,82: calculate according to the difference of duct length and design temperature and running temperature;
9) throttle expansion valve 9: conventional throttle expansion valve, uses when decompressor maintenance;
10) filter 10:50 order.
Claims (1)
1. reclaim throttling and lose the refrigeration plant for generating electricity, it is characterized in that, this equipment is mainly made up of compressor, condenser, decompressor, evaporimeter, reductor, generator, motor-driven valve, expansion joint, throttle expansion valve and filter, its annexation is: compressor outlet is connected with condenser inlet, the outlet of condenser is connected with the entrance of the second motor-driven valve (72) respectively at the entrance of the first motor-driven valve (71), the outlet of the second motor-driven valve (72) is connected with the entrance of the first expansion joint (81), the outlet of the first expansion joint (81) is connected with the entrance of filter, the outlet of filter is connected with the entrance of decompressor, the outlet of decompressor is connected with the entrance of the second expansion joint (82), the outlet of the second expansion joint (82) is connected with the entrance of the 3rd motor-driven valve (73), the outlet of the 3rd motor-driven valve (73) is connected with the outlet of throttle expansion valve and the entrance of evaporimeter respectively, the outlet of evaporimeter is connected with the entrance of compressor, the outlet of the first motor-driven valve (71) is connected with the entrance of throttle expansion valve, the axle of decompressor is connected with the axle of generator by reductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320697613.6U CN203605518U (en) | 2013-11-06 | 2013-11-06 | Refrigeration device recovering throttling losses of working medium for power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320697613.6U CN203605518U (en) | 2013-11-06 | 2013-11-06 | Refrigeration device recovering throttling losses of working medium for power generation |
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| CN203605518U true CN203605518U (en) | 2014-05-21 |
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| CN201320697613.6U Expired - Fee Related CN203605518U (en) | 2013-11-06 | 2013-11-06 | Refrigeration device recovering throttling losses of working medium for power generation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759450A (en) * | 2013-11-06 | 2014-04-30 | 北京中科华誉能源技术发展有限责任公司 | Refrigeration device for generating power by recycling working medium throttling loss |
| CN106524579A (en) * | 2016-12-28 | 2017-03-22 | 深圳智慧能源技术有限公司 | Data center energy-saving refrigeration system |
-
2013
- 2013-11-06 CN CN201320697613.6U patent/CN203605518U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759450A (en) * | 2013-11-06 | 2014-04-30 | 北京中科华誉能源技术发展有限责任公司 | Refrigeration device for generating power by recycling working medium throttling loss |
| CN106524579A (en) * | 2016-12-28 | 2017-03-22 | 深圳智慧能源技术有限公司 | Data center energy-saving refrigeration system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100190 Beijing, Zhongguancun, building two, floor 333, No. Patentee after: Beijing Huayu energy technology Limited by Share Ltd Address before: 100190 Beijing, Zhongguancun, building two, floor 333, No. Patentee before: Beijing Zhongke Huayu Energy Technology Development Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20181106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |