CN202228310U - Air compressor set for recycling and storing interstage cooling heat - Google Patents
Air compressor set for recycling and storing interstage cooling heat Download PDFInfo
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- CN202228310U CN202228310U CN2011203350827U CN201120335082U CN202228310U CN 202228310 U CN202228310 U CN 202228310U CN 2011203350827 U CN2011203350827 U CN 2011203350827U CN 201120335082 U CN201120335082 U CN 201120335082U CN 202228310 U CN202228310 U CN 202228310U
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Abstract
The utility model discloses an air compressor set for recycling and storing interstage cooling heat. The air compressor set comprises an air compression system and an interstage heat recovery/storage system; the air compression system comprises multiple stages of air compressors (1-6) which are connected in serials through pipelines, the interstage heat recovery/storage system comprises pumps (13 and 14), multiple stages of interstage coolers (7-12) and storage tanks (16-18) with different temperature levels, which are connected by pipelines; each interstage cooler is arranged between adjacent two stages of compressors, the air compression system and the interstage heat recovery/storage system are coupled together through all stages of interstage coolers, and the heat side of each interstage cooler is connected with a compressed air pipeline; and the cold side of each interstage cooler is connected with a coolant pipeline, and the coolant outlet of each stage of interstage cooler is connected with a storage tank with corresponding temperature level through the coolant pipeline. The air compressor set provided by the utility model can recover interstage cooling heat in a high quality manner, and the interstage cooling heat can be separately stored in the storage tanks with different temperature levels according to different energy quality, thereby realizing the uttermost recovery and storage of the interstage cooling heat in quantity and quality.
Description
Technical field
The utility model relates to a kind of air compressor unit, relates in particular to a kind of air compressor unit that can inter-stage cooling heat HQ high quality reclaimed and store respectively by the height of its energy grade.
Background technique
At present, the air compressor unit of production high-pressure air all adopts the technological scheme of multistage compression, inter-stage cooling.The method of traditional inter-stage cooling is: be freezing mixture with water; Through interstage cooler pressurized air is cooled off; Cooled pressurized air gets into the next stage air compressor, and the cooling water that absorbs heat, recycles after self temperature reduces to the atmosphere release heat through radiator.This practice has caused the fully waste of inter-stage heat on " amount " and " matter ".
Summary of the invention
For the shortcoming that the inter-stage cooling heat that overcomes existing air compressor unit can not reclaim in high quality and store, the utility model provides a kind of novel air compressor unit.This air compressor unit is on compressed-air actuated basis between effective cooling class; Can reclaim the heat that pressurized air discharges at interstage cooler in high quality; And can the height of this part heat according to energy grade be stored in respectively in the storage tank of different temperatures grade, realize that the inter-stage cooling heat reclaims to greatest extent and stores on " amount " and " matter ".
The utility model is that the technological scheme that its technical problem of solution is adopted is:
The air compressor unit that the cold and hot amount of a kind of inter-stage reclaims and stores; Comprise that air compression system and inter-stage heat HQ high quality reclaim stocking system; It is characterized in that; Said air compression system comprises the some grades of air compressors (1-6) that utilize the pipeline series connection, and said inter-stage heat HQ high quality reclaims the storage tank (16-18) that stocking system comprises the pump (13,14), interstage cooler (7-12) and the different temperatures grade that connect with pipeline, and said interstage cooler is arranged between the adjacent two stage compressor; Said air compression system and inter-stage heat HQ high quality reclaim stocking system and are coupled through interstage coolers at different levels; The hot side of said interstage cooler links to each other with compressed air line, and cold side links to each other with coolant line, and the coolant outlet of interstage coolers at different levels links to each other through the storage tank of coolant line with the relevant temperature grade.
Preferably, in the hot side of each grade interstage cooler, compressed-air actuated temperature drops to the temperature before the entering first order compressor; At the cold side of each grade interstage cooler, the temperature of freezing mixture is brought up near the inlet temperature of pressurized air at this grade interstage cooler.
The air compressor unit that cold and hot amount reclaims and stores between the utility model when work, pressurized air flow through successively each stage compressor and interstage cooler.In each stage compressor, compressed-air actuated pressure improves, and temperature improves; In the hot side of the interstage cooler of this grade, compressed-air actuated pressure slightly descends because of flow resistance, and temperature drops to the temperature that gets into before the first order compressor.Freezing mixture gets into the cold side of interstage coolers at different levels respectively under the driving of pump, carry out exchange heat with pressurized air, and self temperature is brought up near the inlet temperature of pressurized air at interstage cooler.Interstage coolers at different levels are key equipments of realizing that the cold and hot amount HQ high quality of inter-stage reclaims; Its form and enough heat exchange area through reasonably selecting heat exchanger; Realize the average heat transfer temperature difference that cold fluid and hot fluid is very little, thereby guaranteed that heat is stored in the freezing mixture in high quality.Each strand freezing mixture is stored in respectively in the storage tank of different temperatures grade according to the difference of self temperature after the interstage coolers at different levels of flowing through.The storage tank of different temperatures grade be realize between the key equipment that stores of cold and hot amount HQ high quality, through the storage tank of different temperatures grade is set, the reduction of the energy quality of having avoided causing because of blending.
Preferably; Said air compressor (1-6) has 6 grades, is made up of foreground compressor bank and backstage compressor bank, and wherein the foreground compressor bank comprises preceding 4 stage compressors; The backstage compressor bank comprises the 5th to 6 stage compressor, and the pressure ratio of this 6 stage compressor is followed successively by 3,3,2.8,2.8,2.4,1.8; Correspondingly; Said interstage cooler (7-12) also has 6 grades; Wherein the 1st to 4 grade of interstage cooler (7-10) adopts aluminum plate-fin heat exchanger; The freezing mixture of discharging from the cold side of these 4 grades of interstage coolers is stored in the high temperature storage tank (16), and the 5th grade of interstage cooler (11) adopts high voltage bearing shell-and-tube heat exchanger, the freezing mixture of discharging from the cold side of this grade interstage cooler is stored in the warm storage tank (17); The 6th grade of interstage cooler (12) adopts high voltage bearing shell-and-tube heat exchanger, and the freezing mixture of discharging from the cold side of this grade interstage cooler is stored in the low-temperature storage tank (18).
Preferably, the 1st to 4 grade of interstage cooler (7-10) is made up of a heat exchanger respectively, and the 5th grade of interstage cooler (11) is composed in series by 4 heat exchangers, and the 6th grade of interstage cooler (12) is composed in series by 3 heat exchangers.
Preferably, said pump is arranged at the entrance point of coolant line, and through supplying with female form of managing with parallel connection coolant distribution is flowed into each inter-stage cooler (7-12), and the quantity of said pump is two, and two water pump parallel connections, a job, and one is subsequent use.
Preferably, each inter-stage cooler (7-12) uses expanded perlite product parcel, 5 centimetres of thickness; Pipeline uses the polyurethanes thermal insulating material to wrap up 5 centimetres of thickness; Storage tank (16-18) uses vacuum heat-insulating plate as thermal insulating material, thickness 8cm.
Preferably, said storage tank (16-18) uses stainless steel material to process, 5 millimeters of wall thickness, and design work pressure 4.5bar comprises liquid inlet pipe, drain pipe, drain pipe, safety valve and sight liquid pipe.
Preferably, the preceding selector valve that is provided with of said storage tank (16-18) is used for starting and stopping process the switching of freezing mixture between storage tank flow ipe and emptying pipe.
Preferably, establish temperature transducer and pressure transducer in the said storage tank (16-18), the storage tank top is provided with Safety valve, and when tank inner pressure was higher than safety valve setting pressure, safety valve was opened automatically.
Preferably; Be provided with sensor, instrument and control valve in said coolant line and the compressed air line; Establish the freezing mixture main valve behind the said pump (13-14); Pipeline is all established temperature transducer and pressure transducer before and after the preceding pressurized air main valve of establishing of the 1st stage compressor (1), said air compressor (1-6), and the import and export pipeline of the hot side of interstage coolers at different levels (7-12) is all established temperature transducer and pressure transducer; The coolant inlet pipeline is established autocontrol valve, and outlet conduit is established temperature transducer.
Preferably, the outlet section of said coolant line also is provided with emptying pipe (19-21).
Preferably, said compressor is one or more the combination in centrifugal, axial flow, piston type, votex sheet formula, gear type, the screw compressor.
Preferably, said interstage cooler is one or more the combination in shell of pipe type, plate and fin type, board-like, spiral-type, bushing type, shell-and-plate, plate circle formula, tubular fin type, the heat-pipe type cooling apparatus.
Preferably, said storage tank is horizontal tank, vertical storage tank, vault storage tank, floating roof tank or spherical storage tank.Can be provided with one or morely according to the different temperatures of freezing mixture, be connected to the back of interstage coolers at different levels.
Preferably, said freezing mixture is conduction oil, fuse salt or ionic liquid, or one or more the combination in air, carbon dioxide, nitrogen, oxygen or the argon gas.
Preferably, said freezing mixture is a water, and the pressure that cooling water gets into interstage coolers at different levels (7-10) is 4bar.
Preferably, said air compressor unit also comprises softened water processing equipment (15), and said softened water processing equipment (15) directly connects with said pump (13,14).
The beneficial effect of the utility model is: can reclaim the inter-stage cooling heat in high quality, and by the height of energy grade this part energy stored respectively, thereby realized that the inter-stage cooling heat reclaims to greatest extent and stores on " amount " and " matter ".
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the utility model embodiment's a flow chart.
Among the figure: 1-6. compressor, 7-12. interstage cooler, 13,14. pumps, 15. softened water equipments, 16. high temperature storage tanks, warm storage tank in 17., 18. low-temperature storage tanks, 19,20,21. emptying pipes.
Embodiment
The following stated is merely the preferred embodiment of the utility model, does not therefore limit the protection domain of the utility model.
See shown in the accompanying drawing 1: the air compressor unit that cold and hot amount reclaims and stores between this embodiment comprises that air compression system and inter-stage heat HQ high quality reclaim stocking system; Air compression system is mainly used in air is compressed, to reach the purpose that improves air pressure.Compressed air system mainly is made up of 6 grades of air compressor 1-6 and associated conduit.The effect that inter-stage heat HQ high quality reclaims stocking system is; Through interstage cooler 7-12; Use freezing mixture that inter-stage pressurized air is cooled off; Make pressurized air get into the next stage compressor on the one hand with lower temperature; Guaranteeing to make the inter-stage cooling heat be delivered to freezing mixture under the very little situation of available energy loss on the other hand, and the height of freezing mixture according to its energy taste is being stored in respectively in the storage tank of different temperatures grade, thereby reclaiming and storing this part energy aspect two to greatest extent in " amount " and " matter ".Inter-stage heat? recovery stocking system mainly is made up of pump 13-14, softened water processing equipment 15, inter-stage high-effect cooling device 7-12, high temperature storage tank 16, middle temperature storage tank 17, low-temperature storage tank 18 and equipment such as correlate meter and control valve.Air compression system and inter-stage heat HQ high quality reclaim stocking system and are coupled by interstage cooler 7-12.
In this embodiment; Pressurized air is successively through compressor 1, interstage cooler 7, compressor 2, interstage cooler 8, compressor 3, interstage cooler 9, compressor 4, interstage cooler 10, compressor 5, interstage cooler 11, compressor 6, interstage cooler 12; Flow out air compression system at last, supply with extraneous user.Because very high to compressed-air actuated pressure requirement, compressor 1-6 is made up of 2 air compressor unit, the foreground compressor bank comprises compressor 1-4, and the backstage compressor bank comprises compressor 5-6, and two compressor groups are piston compressor.Compressed-air actuated flow is 0.29kg/s, and the pressure of pressurized air before getting into compressor bank is 1.01MPa, and temperature is 33 ℃.The pressure ratio of air compressor 1-6 is followed successively by 3,3,2.8,2.8,2.4,1.8; The pressure that pressurized air flows out air compressor 1-6 is respectively 0.31MPa, 0.93MPa, 2.64MPa, 7.10MPa, 17.34MPa, 32.10MPa, and the temperature when flowing out each compressor 1-6 is 159 ℃, 156 ℃, 148 ℃, 142 ℃, 131 ℃, 100 ℃.Interstage cooler 7-10 adopts plate-fin heat exchanger, and interstage cooler 11-12 adopts shell-and-tube heat exchanger.In interstage cooler 7-12, compressed-air actuated pressure drop is respectively 8.08kPa, 8.08kPa, 10.81kPa, 5.28kPa, 500Pa, 300Pa; When flowing out interstage cooler 7-12, compressed-air actuated temperature is 33 ℃.
Present embodiment adopts water as freezing mixture.Cooling water is under the driving of pump 13-14, and the softened water processing equipment 15 of at first flowing through flows into feed main after softening, in feed main, through assignment of traffic, flow into interstage cooler 7-12 at different levels with parallel way.The pressurized air heat exchange of in interstage cooler 7-12, flowing out with compressor 1-6 respectively, self temperature is improved.After flowing out interstage cooler 7-12, higher by the cooling water temperature that interstage cooler 7-10 flows out, be compiled in the female pipe of high temperature, flow into high temperature storage tank 16 then and store; Cooling water temperature by interstage cooler 11 flows out is medium, and warm storage tank 17 stores in the inflow; The cooling water temperature that is flowed out by interstage cooler 12 is lower, flows into low-temperature storage tank 18 and stores.The total discharge of cooling water is 0.496 kg/s, and the cooling water flow of the interstage cooler 7-12 that flows through is respectively 0.084kg/s, 0.082kg/s, 0.078kg/s, 0.078kg/s, 0.084kg/s, 0.090kg/s.The temperature of cooling water before getting into interstage cooler 7-12 is 25 ℃, and the temperature that flows out interstage cooler 7-12 is 130 ℃, 130 ℃, 130 ℃, 130 ℃, 120 ℃, 90 ℃.In order to guarantee that cooling water does not undergo phase transition in interstage cooler, the pressure that cooling water gets into interstage cooler 7-12 is 4bar.
Pump 13-14 in the present embodiment adopts horizontal hot water pipeline pump, two water pump parallel connections, and a job, one is subsequent use.The flow of every water pump is 1500kg/h, and lift is 35m.
Softened water processing equipment 15 is set in the present embodiment, and purpose is to remove calcium, the magnesium plasma that carries in the cooling water, prevents therefore and the problem of the heat-transfer capability that produces decline and choked flow circulation passage.Softened water processing equipment 15 adopts full automatic sodium ion exchanger, co-current regeneration mode, rated flow 2.5m in the present embodiment
3/ h, working pressure 0.2-0.6MPa, operating temperature 5-45 ℃, original water hardness≤6.5mmol/L, the resin model is 001 * 7 strong acid type cationic resin, pH value scope is at 1-14.After softening, go out the water hardness less than 0.05mmol/L.
Interstage cooler 7-12 in the present embodiment adopts two kinds of heat exchanger forms.Interstage cooler 7-10 pressure is relatively low, adopts aluminum plate-fin heat exchanger.Every grade of interstage cooler is made up of a heat exchanger; Every heat exchanger is grown 246 millimeters, and is wide 160 millimeters, high 1760 millimeters; Countercurrent heat exchange method; 150 ℃ of Maximum operating temperatures, pressurized air side design pressure is respectively 0.4MPa, 1.1MPa, 2.9MPa, 7.9MPa, and the cooling water side design pressure is 0.6MPa.Interstage cooler 11-12 pressure is higher, and employing can high voltage bearing shell-and-tube heat exchanger, adopts stainless steel material.Interstage cooler 11 is composed in series by 4 heat exchangers, and every heat exchanger is grown 4 meters, 219 millimeters of diameters.Heat exchanger adopts countercurrent heat exchange method, 150 ℃ of Maximum operating temperatures, and pressurized air side design pressure is respectively 19.1MPa, cooling water side design pressure 0.5MPa.Interstage cooler 12 is composed in series by 3 heat exchangers, and every heat exchanger is grown 4 meters, 219 millimeters of diameters.Heat exchanger all adopts countercurrent heat exchange method, 150 ℃ of Maximum operating temperatures, and pressurized air side design pressure is respectively 35.3MPa, cooling water side design pressure 0.5MPa.
Present embodiment uses high temperature storage tank 16, middle temperature storage tank 17 and low-temperature storage tank 18 to store the cooling water of different temperatures grade respectively.High temperature storage tank 16 stores 130 ℃ high-temperature cooling water coming out from interstage cooler 7-10, middle temperature storage tank 17 store 120 ℃ of coming out from interstage cooler 11 warm cooling water, low-temperature storage tank 18 stores 90 ℃ low-temperature cooling water coming out from interstage cooler 12.High temperature storage tank 16 design work pressure 4.5bar, 150 ℃ of design work temperature adopt the horizontal tank form, and ellipsoidal head comprises devices such as intake pipe, outlet pipe, drain pipe, safety valve and sight liquid pipe, uses stainless steel material, 5 millimeters of wall thickness, tank volume 2m
3, 0.8 meter of external diameter, long 4.5 meters.In warm storage tank 17 and low-temperature storage tank 18 design work pressure 4.5bar, 135 ℃ of design work temperature adopt the horizontal tank form; Comprise devices such as intake pipe, outlet pipe, drain pipe, safety valve and sight liquid pipe; Use stainless steel material, 5 millimeters of wall thickness, tank volume 1.5m
3, 0.8 meter of external diameter, long 3.5 meters.
In order to realize good heat insulation effect, present embodiment need carry out the insulation measure to each inter-stage cooler, high-temperature pipe and storage tank.Each inter-stage cooler uses expanded perlite product parcel, 5 centimetres of thickness.High-temperature pipe uses the polyurethanes thermal insulating material to wrap up 5 centimetres of thickness.Storage tank uses vacuum heat-insulating plate as thermal insulating material, insulation thickness 8cm.Using under this condition that is incubated measure, the temperature drop of hot water is no more than 1 ℃ in one day, can reach engine request fully.
Present embodiment is installed necessary sensor and valve at following key position, with the normal operation of monitoring and control system.
1. establish the pressurized air main valve before the compressor 1, be used to regulate compressed-air actuated flow.Establish the cooling water main valve behind the pump 13-14, the total discharge of control cooling water; Establish pressure transducer behind the softened water processing equipment 15, be used to detect the pressure that cooling water gets into interstage cooler.
2. pipeline is all established temperature transducer and pressure transducer before and after the compressor 1-6, in order to detect compressed-air actuated state.
3. the import and export pipeline of interstage cooler 7-12 pressurized air side is all established temperature transducer and pressure transducer, and the cooling water intake pipeline is established autocontrol valve, and outlet conduit is established temperature transducer.According to measurement result, regulate cooling water intake valve aperture through automatic control system, with the control cooling water flow, make it satisfy the requirement of cooling water outlet temperature and compressed air outlet temperature.
4. before high temperature storage tank 16, middle temperature storage tank 17 and the low-temperature storage tank 18 selector valve is set, is used for starting and stopping process the switching of cooling water between storage tank flow ipe and emptying pipe.
5. establish temperature transducer and pressure transducer in high temperature storage tank 16, middle temperature storage tank 17 and the low-temperature storage tank 18, be used to detect the temperature and pressure in the storage tank.The storage tank top is provided with Safety valve, and when tank inner pressure was higher than safety valve setting pressure, safety valve was opened automatically.
In the start process of present embodiment, at first close the inlet pipeline of high temperature storage tank 16, middle temperature storage tank 17 and low-temperature storage tank 18, open emptying pipeline 19,20,21; Open pump 13,14 then,, make the cooling waters at different levels flow according to the rules interstage cooler 7-12 that flows through, through 19,20,21 emptyings of emptying pipeline through the control of pressure, temperature transducer and related valve; Compressor and starting 1-6 through the control of pressure, temperature transducer and related valve, makes the pressurized air unit reach the operating mode of design then; After whole system is stable; Close emptying pipeline 19,20,21; Open the flow ipe of high temperature storage tank 16, middle temperature storage tank 17 and low-temperature storage tank 18, the difference of the cooling water after heating up according to self temperature is stored in respectively in high temperature storage tank 16, middle temperature storage tank 17 and the low-temperature storage tank 18.
In shutdown process, at first close the inflow pipeline of high temperature storage tank 16, middle temperature storage tank 17 and low-temperature storage tank 18, open emptying pipeline 19,20,21, make the cooling water emptying; Close air compressor 1-6 then, stop air feed to the user; After treating system stability at last, switch off the pump 13,14, the stop supplies cooling water.
From the angle of the first law of thermodynamics, the heat load of interstage cooler 7-12 is respectively 37.9kW, 39.6kW, 34.8kW, 34.7kW, 33.5kW, 23.1kW, adds up to 203.6kW.When using general air compressor unit, this part heat finally is dispersed in the atmosphere, fully loss; And when the air compressor unit of this invention, this part heat is stored in the storage tank, energy recovery 203.6kW.Angle from the second law of thermodynamics; The enthalpy fire of pressurized air turnover interstage cooler 7-12 uses difference to be 7.21kW, 6.99kW, 5.47kW, 5.22kW, 4.56kW, 2.18kW; Amount to 31.6kW; And the enthalpy of interstage cooler 7-12 cooling water fire is respectively 5.18kW, 5.72kW, 4.72kW, 4.70kW, 4.16kW, 1.96kW with difference, amounts to 26.5kW.When using general air compressor unit, the fire of pressurized air in interstage cooler is with falling loss fully; And when using the air compressor unit of this invention, the recyclable fire of cooling water is used 26.5kW, fiery with the recovery rate up to 83.7%.
Claims (17)
1. the cold and hot amount of the inter-stage air compressor unit that reclaims and store; Comprise air compression system and inter-stage heat? recovery stocking system; It is characterized in that; Said air compression system comprises the some grades of air compressors (1-6) that utilize the pipeline series connection, and said inter-stage heat? recovery stocking system comprises the storage tank (16-18) of the pump (13,14), some grades of interstage coolers (7-12) and the different temperatures grade that connect with pipeline, and said interstage cooler is arranged between the adjacent two stage compressor; Said air compression system and inter-stage heat? recovery stocking system are coupled through interstage coolers at different levels; The hot side of said interstage cooler links to each other with compressed air line, and cold side links to each other with coolant line, and the coolant outlet of interstage coolers at different levels links to each other through the storage tank of coolant line with the relevant temperature grade.
2. the air compressor unit that the cold and hot amount of inter-stage according to claim 1 reclaims and stores is characterized in that: in the hot side of each grade interstage cooler, compressed-air actuated temperature drops to the temperature before the entering first order compressor; At the cold side of each grade interstage cooler, the temperature of freezing mixture is brought up near the inlet temperature of pressurized air at this grade interstage cooler.
3. the air compressor unit that the cold and hot amount of inter-stage according to claim 2 reclaims and stores; It is characterized in that: said air compressor (1-6) has 6 grades; Form by foreground compressor bank and backstage compressor bank; Wherein the foreground compressor bank comprises preceding 4 stage compressors, and the backstage compressor bank comprises the 5th to 6 stage compressor, and the pressure ratio of this 6 stage compressor is followed successively by 3,3,2.8,2.8,2.4,1.8; Correspondingly; Said interstage cooler (7-12) also has 6 grades; Wherein the 1st to 4 grade of interstage cooler (7-10) adopts aluminum plate-fin heat exchanger; The freezing mixture of discharging from the cold side of these 4 grades of interstage coolers is stored in the high temperature storage tank (16), and the 5th grade of interstage cooler (11) adopts high voltage bearing shell-and-tube heat exchanger, the freezing mixture of discharging from the cold side of this grade interstage cooler is stored in the warm storage tank (17); The 6th grade of interstage cooler (12) adopts high voltage bearing shell-and-tube heat exchanger, and the freezing mixture of discharging from the cold side of this grade interstage cooler is stored in the low-temperature storage tank (18).
4. the air compressor unit that the cold and hot amount of inter-stage according to claim 3 reclaims and stores; It is characterized in that: the 1st to 4 grade of interstage cooler (7-10) is made up of a heat exchanger respectively; The 5th grade of interstage cooler (11) is composed in series by 4 heat exchangers, and the 6th grade of interstage cooler (12) is composed in series by 3 heat exchangers.
5. the air compressor unit that reclaims and store according to the cold and hot amount of each described inter-stage of claim 1 to 4; It is characterized in that: said pump (13,14) is arranged at the entrance point of coolant line; And with the form of parallel connection coolant distribution being flowed into each inter-stage cooler (7-12) through supplying with female pipe, the quantity of said pump is two, and two water pump parallel connections; A job, one subsequent use.
6. the air compressor unit that reclaims and store according to the cold and hot amount of each described inter-stage of claim 1 to 4 is characterized in that: each inter-stage cooler (7-12) uses expanded perlite product parcel, 5 centimetres of thickness; Pipeline uses the polyurethanes thermal insulating material to wrap up 5 centimetres of thickness; Storage tank (16-18) uses vacuum heat-insulating plate as thermal insulating material, thickness 8cm.
7. the air compressor unit that reclaims and store according to the cold and hot amount of each described inter-stage of claim 1 to 4; It is characterized in that: said storage tank (16-18) uses stainless steel material to process; 5 millimeters of wall thickness; Design work pressure 4.5bar comprises liquid inlet pipe, drain pipe, drain pipe, safety valve and sight liquid pipe.
8. the air compressor unit that reclaims and store according to the cold and hot amount of each described inter-stage of claim 1 to 4, it is characterized in that: the outlet section of said coolant line also is provided with emptying pipe (19-21).
9. the air compressor unit that the cold and hot amount of inter-stage according to claim 8 reclaims and stores; It is characterized in that: the preceding selector valve that is provided with of said storage tank (16-18); Be used for starting and stopping process the switching of freezing mixture between storage tank flow ipe and emptying pipe.
10. the air compressor unit that reclaims and store according to the cold and hot amount of each described inter-stage of claim 1 to 4; It is characterized in that: establish temperature transducer and pressure transducer in the said storage tank (16-18); The storage tank top is provided with Safety valve; When tank inner pressure was higher than safety valve setting pressure, safety valve was opened automatically.
11. air compressor unit according to cold and hot amount recovery of each described inter-stage of claim 1 to 4 and storage; It is characterized in that: be provided with sensor, instrument and control valve in said coolant line and the compressed air line; Establish the freezing mixture main valve behind the said pump (13-14); Pipeline is all established temperature transducer and pressure transducer before and after the preceding pressurized air main valve of establishing of the 1st stage compressor (1), said air compressor (1-6), and the import and export pipeline of the hot side of interstage coolers at different levels (7-12) is all established temperature transducer and pressure transducer; The coolant inlet pipeline is established autocontrol valve, and outlet conduit is established temperature transducer.
12. the air compressor unit according to the cold and hot amount of each described inter-stage of claim 1 to 4 reclaims and stores is characterized in that: said compressor is one or more the combination in centrifugal, axial flow, piston type, votex sheet formula, gear type, the screw type.
13. the air compressor unit according to the cold and hot amount of each described inter-stage of claim 1 to 2 reclaims and stores is characterized in that: said interstage cooler is one or more the combination in shell of pipe type, plate and fin type, board-like, spiral-type, bushing type, shell-and-plate, plate circle formula, tubular fin type, the heat-pipe type cooling apparatus.
14. air compressor unit according to cold and hot amount recovery of each described inter-stage of claim 1 to 4 and storage; It is characterized in that: said storage tank is horizontal tank, vertical storage tank, vault storage tank, floating roof tank or spherical storage tank; The quantity of storage tank is one or more, is connected to the back of interstage coolers at different levels.
15. air compressor unit according to cold and hot amount recovery of each described inter-stage of claim 1 to 4 and storage; It is characterized in that: said freezing mixture is conduction oil, fuse salt or ionic liquid, and said freezing mixture also can be one or more the combination in air, carbon dioxide, nitrogen, oxygen, the argon gas.
16. according to the air compressor unit that the cold and hot amount of each described inter-stage of claim 1 to 4 reclaims and stores, it is characterized in that: said freezing mixture is a water, the pressure that cooling water gets into interstage coolers at different levels (7-10) is 4bar.
17. the air compressor unit that the cold and hot amount of inter-stage according to claim 16 reclaims and stores; It is characterized in that: said air compressor unit also comprises softened water processing equipment (15), and said softened water processing equipment (15) directly connects with said pump (13,14).
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| CN2011203350827U CN202228310U (en) | 2011-09-07 | 2011-09-07 | Air compressor set for recycling and storing interstage cooling heat |
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| CN2011203350827U CN202228310U (en) | 2011-09-07 | 2011-09-07 | Air compressor set for recycling and storing interstage cooling heat |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322414A (en) * | 2011-09-07 | 2012-01-18 | 中国科学院工程热物理研究所 | The air compressor unit that the cold and hot amount HQ high quality of a kind of inter-stage reclaims and stores |
| CN106150574A (en) * | 2016-06-17 | 2016-11-23 | 全球能源互联网研究院 | A kind of deep cooling liquid air energy storage systems of air interstage cooling |
| CN112459984A (en) * | 2020-11-13 | 2021-03-09 | 西安陕鼓动力股份有限公司 | Performance test calculation method for isothermal compressor |
-
2011
- 2011-09-07 CN CN2011203350827U patent/CN202228310U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322414A (en) * | 2011-09-07 | 2012-01-18 | 中国科学院工程热物理研究所 | The air compressor unit that the cold and hot amount HQ high quality of a kind of inter-stage reclaims and stores |
| CN106150574A (en) * | 2016-06-17 | 2016-11-23 | 全球能源互联网研究院 | A kind of deep cooling liquid air energy storage systems of air interstage cooling |
| CN112459984A (en) * | 2020-11-13 | 2021-03-09 | 西安陕鼓动力股份有限公司 | Performance test calculation method for isothermal compressor |
| CN112459984B (en) * | 2020-11-13 | 2022-05-03 | 西安陕鼓动力股份有限公司 | Performance test calculation method for isothermal compressor |
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