CN102322414B - Air compressor set capable of recovering and storing interstage cold and heat energy in high-quality manner - Google Patents
Air compressor set capable of recovering and storing interstage cold and heat energy in high-quality manner Download PDFInfo
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- CN102322414B CN102322414B CN201110264361.3A CN201110264361A CN102322414B CN 102322414 B CN102322414 B CN 102322414B CN 201110264361 A CN201110264361 A CN 201110264361A CN 102322414 B CN102322414 B CN 102322414B
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Abstract
The invention discloses an air compressor set capable of recovering and storing interstage cold and heat energy in a high-quality manner. The air compressor set comprises an air compression system and an interstage heat energy recovering and storing system, wherein the air compression system comprises a plurality stages of air compressors (1-6) which are connected in series through a pipeline; the interstage heat energy recovering and storing system comprises pumps (13 and 14) which are connected through a pipeline, a plurality stages of interstage coolers (7-12), and storage tanks (16-18) with different temperature grades; the interstage coolers are arranged between adjacent two stages of air compressors; the air compression system and the interstage heat energy recovering and storing system are coupled together through the interstage coolers; the hot sides of the interstage coolers are connected with a compressed air pipeline, the cold sides of the interstage coolers are connected with a cooling agent pipeline, and cooling agent outlets of all the interstage coolers are connected with the storage tanks with corresponding temperature grades through the cooling agent pipeline. According to the air compressor set disclosed by the invention, interstage cold and heat energy can be recovered in a high-quality manner and can be respectively stored in the storage tanks with different temperature grades according to the quality of energy grade, so as to realize the recovery and storage of the interstage cold and heat energy to a maximum extent in terms of quantity and quality.
Description
Technical field
The present invention relates to a kind of air compressor unit, relate in particular to a kind of air compressor unit that inter-stage cooling heat high quality can be reclaimed and stores respectively by the height of its energy grade.
Background technique
At present, the air compressor unit of production high-pressure air all adopts multistage compression, the cooling technological scheme of inter-stage.The cooling method of traditional inter-stage is: take water as freezing mixture, by interstage cooler, to pressurized air, carry out cooling, cooled pressurized air enters next stage air compressor, and the cooling water that absorbs heat, recycles after self temperature reduces to atmosphere release heat by radiator.This practice has caused the completely waste of inter-stage heat in " amount " and " matter ".
Summary of the invention
The shortcoming that can not reclaim in high quality and store in order to overcome the inter-stage cooling heat of existing air compressor unit, the invention provides a kind of novel air compressor unit.This air compressor unit is on the compressed-air actuated basis of effective cooling inter-stage, can reclaim in high quality the heat that pressurized air discharges at interstage cooler, and this part heat can be stored in respectively in the storage tank of different temperatures grade according to the height of energy grade, realize inter-stage cooling heat and reclaimed to greatest extent and store in " amount " and " matter ".
The present invention is that the technological scheme that its technical problem of solution adopts is:
The air compressor unit that the cold and hot amount high quality of a kind of inter-stage reclaims and stores, comprise that air compression system and inter-stage heat high quality reclaim stocking system, it is characterized in that, described air compression system comprises the some grades of air compressors (1-6) that utilize pipeline series connection, described inter-stage heat high quality reclaims stocking system and comprises the pump (13 connecting with pipeline, 14), the storage tank (16-18) of interstage cooler (7-12) and different temperatures grade, described interstage cooler is arranged between adjacent two stage compressor, described air compression system and inter-stage heat high quality reclaim stocking system and are coupled by interstage coolers at different levels, the hot side of described interstage cooler is connected with compressed air line, cold side is connected with coolant line, the coolant outlet of interstage coolers at different levels is connected with the storage tank of relevant temperature grade through coolant line.
Preferably, in the hot side of every one-level interstage cooler, compressed-air actuated temperature drops to the temperature entering before first order compressor; At the cold side of every one-level interstage cooler, the temperature of freezing mixture is brought up to and is approached pressurized air in the inlet temperature of this grade of interstage cooler.
The air compressor unit that of the present invention cold and hot amount high quality reclaims and stores 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 declines because of flow resistance, and temperature drops to the temperature entering before first order compressor.Freezing mixture enters respectively the cold side of interstage coolers at different levels under the driving of pump, carries out exchange heat with pressurized air, and self temperature is brought up to and approached pressurized air in the inlet temperature of interstage cooler.Interstage coolers at different levels are to realize the key equipment that the cold and hot amount high quality of inter-stage reclaims, it is by reasonably selecting the form of heat exchanger and enough heat exchange areas, realize the Average heat transfer temperature difference that cold fluid and hot fluid is very little, thereby guaranteed that heat is stored in freezing mixture in high quality.Each strand of freezing mixture, after the interstage coolers at different levels of flowing through, is stored in respectively in the storage tank of different temperatures grade according to the difference of self temperature.The storage tank of different temperatures grade be realize between the key equipment that stores of cold and hot amount high quality, by the storage tank of different temperatures grade is set, avoided the reduction of the energy quality that causes because of blending.
Preferably, described air compressor (1-6) has 6 grades, foreground compressor bank and backstage compressor bank, consists of, and wherein foreground compressor bank comprises front 4 stage compressors, backstage compressor bank comprises the 5th to 6 stage compressors, and the pressure ratio of this 6 stage compressor is followed successively by 3,3,2.8,2.8,2.4,1.8, correspondingly, described interstage cooler (7-12) also has 6 grades, wherein the 1st to 4 grades of interstage coolers (7-10) adopt aluminum plate-fin heat exchanger, the freezing mixture of discharging from the cold side of these 4 grades of interstage coolers is stored in high temperature storage tank (16), 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 of interstage cooler is stored in warm storage tank (17), the 6th grade of interstage cooler (12) adopts high voltage bearing shell-and-tube heat exchanger, the freezing mixture of discharging from the cold side of this grade of interstage cooler is stored in low-temperature storage tank (18).
Preferably, the 1st to 4 grades of interstage coolers (7-10) are comprised 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, described pump is arranged at the entrance point of coolant line, and with form in parallel, coolant distribution is flowed into each interstage cooler (7-12) by supplying with female pipe, and the quantity of described pump is two, and two water pump parallel connections, a job, and one is standby.
Preferably, each interstage cooler (7-12) uses expanded perlite product parcel, 5 centimetres of thickness; Pipeline is used polyurethanes thermal insulating material to wrap up, 5 centimetres of thickness; Storage tank (16-18) is used vacuum heat-insulating plate as thermal insulating material, thickness 8cm.
Preferably, described storage tank (16-18) is used stainless steel material to make, 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 front selector valve that arranges of described storage tank (16-18), for starting and stopping process, the switching of freezing mixture between storage tank flow ipe and emptying pipe.
Preferably, in described storage tank (16-18), establish temperature transducer and pressure transducer, storage tank top is provided with Safety valve, and when tank inner pressure is during higher than safety valve setting pressure, safety valve is opened automatically.
Preferably, in described coolant line and compressed air line, be provided with sensor, Instrumentation and Control valve, after described pump (13-14), establish freezing mixture main valve, the front pressurized air main valve of establishing of the 1st stage compressor (1), before and after described air compressor (1-6), pipeline is all established temperature transducer and pressure transducer, 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, coolant inlet pipeline is established autocontrol valve, and outlet conduit is established temperature transducer.
Preferably, the outlet section of described coolant line is also provided with emptying pipe (19-21).
Preferably, described compressor is one or more the combination in centrifugal, axial flow, piston type, votex sheet formula, gear type, screw compressor.
Preferably, described 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 ring type, tubular fin type, heat-pipe type cooling apparatus.
Preferably, described storage tank is horizontal tank, vertical storage tank, vault storage tank, floating roof tank or spherical storage tank.According to the different temperatures of freezing mixture, can arrange one or more, be connected to interstage coolers at different levels after.
Preferably, described freezing mixture is conduction oil, fuse salt or ionic liquid, or one or more the combination in air, carbon dioxide, nitrogen, oxygen or argon gas.
Preferably, described freezing mixture is water, and the pressure that cooling water enters interstage coolers at different levels (7-10) is 4bar.
Preferably, described air compressor unit also comprises softened water processing equipment (15), and described softened water processing equipment (15) directly connects with described pump (13,14).
The invention has the beneficial effects as follows: can reclaim in high quality inter-stage cooling heat, and by the height of energy grade, this part energy be stored respectively, thereby realized inter-stage cooling heat, in " amount " and " matter ", reclaim to greatest extent and store.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the flow chart of the embodiment of the present invention.
In 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 only preferred embodiment of the present invention, does not therefore limit protection scope of the present invention.
See shown in accompanying drawing 1: the air compressor unit that between this embodiment, cold and hot amount high quality reclaims and stores comprises that air compression system and inter-stage heat high quality reclaim stocking system, air compression system is mainly used in air to compress, to reach the object that improves air pressure.Compressed air system is mainly comprised of 6 grades of air compressor 1-6 and associated conduit.The effect that inter-stage heat high quality reclaims stocking system is, by interstage cooler 7-12, use freezing mixture to carry out cooling to inter-stage pressurized air, make pressurized air enter next stage compressor with lower temperature on the one hand, make inter-stage cooling heat be delivered to freezing mixture ensuring very little by the loss of energy in the situation that on the other hand, and freezing mixture is stored in respectively in the storage tank of different temperatures grade according to the height of its energy taste, thereby aspect " amount " and " matter " two, reclaiming to greatest extent and storing this part energy.Inter-stage heat recovery stocking system mainly by pump 13-14, softened water processing equipment 15, inter-stage high-effect cooling device 7-12, high temperature storage tank 16, in warm storage tank 17, low-temperature storage tank 18 and the equipment such as correlate meter and control valve form.Air compression system and inter-stage heat high quality reclaim stocking system and are coupled by interstage cooler 7-12.
In this embodiment, pressurized air is successively by 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, finally flow out air compression system, supply with extraneous user.Very high due to compressed-air actuated pressure is required, compressor 1-6 is comprised of 2 air compressor unit, and foreground compressor bank comprises compressor 1-4, and 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 entering 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 while 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 ℃.
The 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 first flowing through flows into feed main after softening, in feed main, through assignment of traffic, with parallel way, flows into interstage cooler 7-12 at different levels.The pressurized air heat exchange of flowing out with compressor 1-6 respectively in interstage cooler 7-12, self temperature is improved.Flow out after interstage cooler 7-12, the cooling water temperature being flowed out by interstage cooler 7-10 is higher, is compiled in the female pipe of high temperature, then flows into high temperature storage tank 16 and stores; The cooling water temperature being flowed out by interstage cooler 11 is medium, and in inflow, warm storage tank 17 stores; The cooling water temperature being 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 entering 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 enters 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 standby.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 object is to remove calcium, the magnesium plasma carrying in cooling water, prevents therefore and the problem of the heat-transfer capability producing decline and choked flow circulation passage.In the present embodiment, softened water processing equipment 15 adopts Full-automatic Na-ion exchanger, co-current regeneration mode, rated flow 2.5m
3/ h, working pressure 0.2-0.6MPa, operating temperature 5-45 ℃, original water hardness≤6.5mmol/L, resin model is 001 * 7 strong acid type cationic resin, pH value scope is at 1-14.After softening, go out the water hardness and be 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 comprised of a heat exchanger, every heat exchanger is grown 246 millimeters, 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 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.
For the present embodiment, high temperature storage tank 16, middle temperature storage tank 17 and low-temperature storage tank 18 store respectively the cooling water of different temperatures grade.High temperature storage tank 16 stores from the interstage cooler 7-10 high-temperature cooling water of 130 ℃ out, and middle temperature storage tank 17 stores warm cooling water from out 120 ℃ of interstage cooler 11, and low-temperature storage tank 18 stores from interstage cooler 12 low-temperature cooling water of 90 ℃ out.High temperature storage tank 16 design work pressure 4.5bar, 150 ℃ of design work temperature, adopt horizontal tank form, and ellipsoidal head, comprises the 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.Middle temperature storage tank 17 and low-temperature storage tank 18 design work pressure 4.5bar, 135 ℃ of design work temperature, adopt horizontal tank form, comprise the 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, the present embodiment need to carry out Insulation to each interstage cooler, high-temperature pipe and storage tank.Each interstage cooler uses expanded perlite product parcel, 5 centimetres of thickness.High-temperature pipe is used polyurethanes thermal insulating material to wrap up, 5 centimetres of thickness.Storage tank is used vacuum heat-insulating plate as thermal insulating material, insulation thickness 8cm.Using under the condition of this Insulation, in one day, the temperature drop of hot water is no more than 1 ℃, can reach engine request completely.
The present embodiment is installed necessary sensor and valve at following key position, to monitor the normal operation with control system.
1. before compressor 1, establish pressurized air main valve, for regulating compressed-air actuated flow.After pump 13-14, establish cooling water main valve, control the total discharge of cooling water; After softened water processing equipment 15, establish pressure transducer, for detection of cooling water, enter the pressure of interstage cooler.
2. before and after compressor 1-6, pipeline is all established temperature transducer and pressure transducer, 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 cooling water intake pipeline is established autocontrol valve, and outlet conduit is established temperature transducer.According to measurement result, by automatic control system, regulate cooling water intake valve aperture, to control cooling water flow, make it meet 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 low-temperature storage tank 18, selector valve is set, for starting and stopping process, the switching of cooling water between storage tank flow ipe and emptying pipe.
5. in high temperature storage tank 16, middle temperature storage tank 17 and low-temperature storage tank 18, establish temperature transducer and pressure transducer, for detection of the temperature and pressure in storage tank.Storage tank top is provided with Safety valve, and when tank inner pressure is during higher than safety valve setting pressure, safety valve is opened automatically.
In the start process of the present embodiment, 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; Then open pump 13,14, by the control of pressure, temperature transducer and related valve, make cooling waters at different levels traffic flow according to the rules through interstage cooler 7-12, emptying by emptying pipeline 19,20,21; Then open compressor 1-6, by the control of pressure, temperature transducer and related valve, make pressurized air unit reach the operating mode of design; 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 cooling water after heating up is stored in respectively in high temperature storage tank 16, middle temperature storage tank 17 and low-temperature storage tank 18 according to the difference of self temperature.
In shutdown process, 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 cooling water emptying; Then close air compressor 1-6, stop the air feed to user; Finally, after system stability, switch off the pump 13,14, 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 is finally dispersed in atmosphere, completely loss; And when the air compressor unit of this invention, this part heat is stored in storage tank, energy has reclaimed 203.6kW.Angle from the second law of thermodynamics, the enthalpy fire of pressurized air turnover interstage cooler 7-12 is 7.21kW, 6.99kW, 5.47kW, 5.22kW, 4.56kW, 2.18kW by difference, amount to 31.6kW, and poor 5.18kW, 5.72kW, 4.72kW, 4.70kW, 4.16kW, the 1.96kW of being respectively for the enthalpy of interstage cooler 7-12 cooling water fire amounts to 26.5kW.When using general air compressor unit, the fire of pressurized air in interstage cooler is with falling loss completely; And when using the air compressor unit of this invention, the recyclable fire 26.5kW of cooling water, exergy recovery rate is up to 83.7%.
Claims (14)
1. the air compressor unit that the cold and hot amount high quality of an inter-stage reclaims and stores, comprise that air compression system and inter-stage heat high quality reclaim stocking system, it is characterized in that, described air compression system comprises the some grades of air compressors (1-6) that utilize pipeline series connection, described inter-stage heat high quality reclaims stocking system and comprises the pump (13 connecting with pipeline, 14), the storage tank (16-18) of some grades of interstage coolers (7-12) and different temperatures grade, described interstage cooler is arranged between adjacent two stage compressor, described air compression system and inter-stage heat high quality reclaim stocking system and are coupled by interstage coolers at different levels, the hot side of described interstage cooler is connected with compressed air line, cold side is connected with coolant line, the coolant outlet of interstage coolers at different levels is connected with the storage tank of relevant temperature grade through coolant line,
In the hot side of every one-level interstage cooler, compressed-air actuated temperature drops to the temperature entering before first order compressor; At the cold side of every one-level interstage cooler, the temperature of freezing mixture is brought up to and is approached pressurized air in the inlet temperature of this grade of interstage cooler;
Described air compressor (1-6) has 6 grades, by foreground compressor bank and backstage compressor bank, formed, wherein foreground compressor bank comprises front 4 stage compressors, and backstage compressor bank comprises the 5th to 6 stage compressors, and the pressure ratio of this 6 stage compressor is followed successively by 3,3,2.8,2.8,2.4,1.8; Correspondingly, described interstage cooler (7-12) also has 6 grades, wherein the 1st to 4 grades of interstage coolers (7-10) adopt aluminum plate-fin heat exchanger, the freezing mixture of discharging from the cold side of these 4 grades of interstage coolers is stored in high temperature storage tank (16), 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 of interstage cooler is stored in 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 of interstage cooler is stored in low-temperature storage tank (18).
2. the air compressor unit that the cold and hot amount high quality of inter-stage according to claim 1 reclaims and stores, it is characterized in that: the 1st to 4 grades of interstage coolers (7-10) are comprised 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.
3. the air compressor unit that the cold and hot amount high quality of inter-stage according to claim 1 and 2 reclaims and stores, it is characterized in that: described pump (13,14) is arranged at the entrance point of coolant line, and with form in parallel, coolant distribution is flowed into each interstage cooler (7-12) by supplying with female pipe, the quantity of described pump is two, and two water pump parallel connections, a job, one standby.
4. the air compressor unit that the cold and hot amount high quality of inter-stage according to claim 1 and 2 reclaims and stores, is characterized in that: each interstage cooler (7-12) uses expanded perlite product parcel, 5 centimetres of thickness; Pipeline is used polyurethanes thermal insulating material to wrap up, 5 centimetres of thickness; Storage tank (16-18) is used vacuum heat-insulating plate as thermal insulating material, thickness 8cm.
5. the air compressor unit that the cold and hot amount high quality of inter-stage according to claim 1 and 2 reclaims and stores, it is characterized in that: described storage tank (16-18) is used stainless steel material to make, 5 millimeters of wall thickness, design work pressure 4.5bar, comprises liquid inlet pipe, drain pipe, drain pipe, safety valve and sight liquid pipe.
6. the air compressor unit that the cold and hot amount high quality of inter-stage according to claim 1 and 2 reclaims and stores, is characterized in that: the outlet section of described coolant line is also provided with emptying pipe (19-21).
7. the air compressor unit that the cold and hot amount high quality of inter-stage according to claim 6 reclaims and stores; it is characterized in that: the front selector valve that arranges of described storage tank (16-18); for starting and stopping process, the switching of freezing mixture between storage tank flow ipe and emptying pipe.
8. the air compressor unit that the cold and hot amount high quality of inter-stage according to claim 1 and 2 reclaims and stores, it is characterized in that: in described storage tank (16-18), establish temperature transducer and pressure transducer, storage tank top is provided with Safety valve, when tank inner pressure is during higher than safety valve setting pressure, safety valve is opened automatically.
9. the air compressor unit that the cold and hot amount high quality of inter-stage according to claim 1 and 2 reclaims and stores, it is characterized in that: in described coolant line and compressed air line, be provided with sensor, Instrumentation and Control valve, after described pump (13-14), establish freezing mixture main valve, the front pressurized air main valve of establishing of the 1st stage compressor (1), before and after described air compressor (1-6), pipeline is all established temperature transducer and pressure transducer, 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, coolant inlet pipeline is established autocontrol valve, outlet conduit is established temperature transducer.
10. the air compressor unit that the cold and hot amount high quality of inter-stage according to claim 1 and 2 reclaims and stores, is characterized in that: described compressor is one or more the combination in centrifugal, axial flow, piston type, votex sheet formula, gear type, screw type.
The air compressor unit that the cold and hot amount high quality of 11. inter-stage according to claim 1 and 2 reclaims and stores, it is characterized in that: described 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, be connected to interstage coolers at different levels after.
The air compressor unit that the cold and hot amount high quality of 12. inter-stage according to claim 1 and 2 reclaims and stores, it is characterized in that: described freezing mixture is conduction oil, fuse salt or ionic liquid, described freezing mixture can be also one or more the combination in air, carbon dioxide, nitrogen, oxygen, argon gas.
The air compressor unit that the cold and hot amount high quality of 13. inter-stage according to claim 1 and 2 reclaims and stores, is characterized in that: described freezing mixture is water, the pressure that cooling water enters interstage coolers at different levels (7-10) is 4bar.
The air compressor unit that the cold and hot amount high quality of 14. inter-stage according to claim 13 reclaims and stores, it is characterized in that: described air compressor unit also comprises softened water processing equipment (15), described softened water processing equipment (15) directly connects with described pump (13,14).
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| CN201110264361.3A CN102322414B (en) | 2011-09-07 | 2011-09-07 | Air compressor set capable of recovering and storing interstage cold and heat energy in high-quality manner |
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| CN103075325B (en) * | 2013-02-01 | 2015-04-15 | 郑州大学 | Compressor waste heat utilization system and compressor inter-stage waste heat utilization system |
| CN104405653A (en) * | 2014-10-18 | 2015-03-11 | 杭州哲达科技股份有限公司 | Air compressor unit integration device capable of recovering waste heat and implementing method |
| CN108775771A (en) * | 2018-06-23 | 2018-11-09 | 浙江智海化工设备工程有限公司 | It is exhaust heat stepped between a kind of compressor stage to utilize system and method |
| CN113738675A (en) * | 2021-09-17 | 2021-12-03 | 南京磁谷科技股份有限公司 | Main motor air-cooled constant temperature system of magnetic suspension air compressor |
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| CN1125291C (en) * | 2000-12-05 | 2003-10-22 | 上海建筑技术投资发展有限公司 | Solar energy water-heating system |
| JP2002332967A (en) * | 2001-05-01 | 2002-11-22 | Mitsui Seiki Kogyo Co Ltd | Disinfection device in water circulating compressor line |
| GB0400986D0 (en) * | 2004-01-16 | 2004-02-18 | Cryostar France Sa | Compressor |
| CN201925131U (en) * | 2010-12-14 | 2011-08-10 | 山东滨州亚光毛巾有限公司 | Air compressor heat exchange recovery system |
| CN202228310U (en) * | 2011-09-07 | 2012-05-23 | 中国科学院工程热物理研究所 | Air compressor set for recycling and storing interstage cooling heat |
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2011
- 2011-09-07 CN CN201110264361.3A patent/CN102322414B/en active Active
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| CN102322414A (en) | 2012-01-18 |
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Inventor after: Yang Zheng Inventor after: Chen Haisheng Inventor after: Tan Chunqing Inventor after: Zhao Yan Inventor after: Teng Shulong Inventor before: Yang Zheng Inventor before: Chen Haisheng Inventor before: Hu Liangjun Inventor before: Tan Chunqing Inventor before: Zhao Yan Inventor before: Teng Shulong |
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Free format text: CORRECT: INVENTOR; FROM: YANG ZHENG CHEN HAISHENG HU LIANGJUN TAN CHUNQING ZHAO YAN TENG SHULONG TO: YANG ZHENG CHEN HAISHENG TAN CHUNQING ZHAO YAN TENG SHULONG |
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