CN103939350A - Residual heat recycling system of air compressor - Google Patents
Residual heat recycling system of air compressor Download PDFInfo
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- CN103939350A CN103939350A CN201410165000.7A CN201410165000A CN103939350A CN 103939350 A CN103939350 A CN 103939350A CN 201410165000 A CN201410165000 A CN 201410165000A CN 103939350 A CN103939350 A CN 103939350A
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Abstract
The invention relates to a residual heat recycling system of an air compressor. The residual heat recycling system comprises an air compressor and a heat exchange end, wherein the heat exchange end is provided with an oil side loop and a water side loop; a heat recycling device is arranged between the oil side loop and the water side loop; the residual heat recycling system is further provided with an automatic control system. Compared with the prior art, the residual heat recycling system of the air compressor has the beneficial effect that the residual heat of the air compressor can be recycled to the greatest extent; the automatic operation of the residual heat recycling system of the air compressor can be realized by the arranged automatic control system; by virtue of a circulation water pump unit and a water supplement loop, continuous water hot water supply can be realized to be supplied to a bathroom for bathing application throughout the year; the energy is saved and the consumption is reduced; no boiler operation is needed all the year round; the operation and management cost of the boiler is reduced; besides being supplied to the bathroom for bathing, the recycled residual heat of the air compressor can also be applied to preheating of boiler water supplement, heating of a factory and purified water system and the like.
Description
Technical field
The present invention relates to residual neat recovering system, relate in particular to a kind of waste heat recovery system of air compressor.
Background technique
The patent No. is that the Chinese utility model patent of ZL201320450736.X discloses a kind of waste heat recovery system of air compressor, and it relates to field of energy-saving technology.It comprises water-heating machine, transfer water tank, hot water tank, described water-heating machine is installed in by air compressor, water-heating machine is connected with transfer water tank with cold water pipe by hot-water line, transfer water tank is connected with hot water tank by hot-water line, in the middle of the cold water pipe being connected between described water-heating machine and transfer water tank, be provided with circulating water pump, described circulating water pump has two, and two circulating water pump are connected with cold water pipe with form in parallel.It produces the utility model a large amount of heats when air compressor can be worked and fully recycles, and for enterprise has reduced energy consumption, has saved cost of production.But this model utility does not arrange air compressor heat exchange end, all the other heat recovery efficiencies are limited, and this model utility does not configure automatic control system yet simultaneously, cannot realize the automatic operation of waste heat recovery system of air compressor, directly affect effective recovery and the utilization of the thermal efficiency.
The patent No. is that the Chinese utility model patent of ZL201320029847.3 discloses a kind of waste heat recovery system of air compressor, comprise pneumatics unit ﹑ heat exchanger and hot water tank, in heat exchanger, be provided with the heat-exchange tube of roundabout bending, between pneumatics unit and heat exchanger, be provided with cold oil return pipe and deep fat comb, cold oil return pipe and deep fat return pipe form heat recovery circulation loop, between heat exchanger and hot water tank, be provided with cold-water return pipe and hot water conveying pipe, cold-water return pipe and hot water conveying pipe form heat utilization circulation loop, and pneumatics unit is provided with air compressor and cooler.The utility model is transformed air compressor; install additional after heat-energy recovering apparatus; most of heat fully utilizes; environment is played a protective role; reduce again the energy consumption of factory, improved the utilization ratio of the energy, further implement enterprise's cleaner production and energy-saving and emission-reduction work simultaneously; reduce production costs and protection of the environment, realize the saving of pollution prevention and resource.But this model utility does not arrange circulating water pump group and moisturizing loop, can not realize the technique effect that hot water is provided continuously, this model utility does not equally configure automatic control system yet, cannot realize the automatic operation of waste heat recovery system of air compressor, directly affects effective recovery and the utilization of the thermal efficiency.
The patent No. is that the Chinese utility model patent of ZL 201320135391.9 discloses a kind of waste heat recovery system of air compressor, comprise air compressor, also comprise oil storage cylinder, heat exchanger and cooler, the oil outlet tube of described air compressor connects described oil storage cylinder, described oil storage cylinder the first oil outlet connects described heat exchanger after heat exchanger bypass valve, described heat exchanger the first oil outlet connects described cooler after cooler bypass valve, described heat exchanger the second oil outlet connects thermo valve, described oil storage cylinder the second oil outlet connects described thermo valve, described thermal control valve oil outlet is connected described air compressor filler opening with described cooler oil outlet and after becoming backflow branch road, described backflow branch road is provided with oil strainer and pressure gauge.The utility model waste heat recovery system of air compressor also has a little following: the reduction of air compressor operating temperature, reduced the fault of machine, extended the working life of equipment, reduced maintaining cost, increase machine oil, engine oil grid, deaerator and changed the time limit, correspondingly extended the replacing time limit.But this model utility does not arrange circulating water pump group and moisturizing loop, can not realize the technique effect that hot water is provided continuously, this model utility does not equally configure automatic control system yet, cannot realize the automatic operation of waste heat recovery system of air compressor, directly affects effective recovery and the utilization of the thermal efficiency.
Summary of the invention
In order to solve the technological deficiency that in above-mentioned prior art, waste heat recovery system of air compressor exists, the technical solution used in the present invention is as follows:
A waste heat recovery system of air compressor, comprises air compressor and heat-exchange end, and described heat-exchange end is provided with oily side loop and water side loop, between described oily side loop and water side loop, heat recovering device is housed, and described residual neat recovering system is also provided with automatic control system.
Preferably, described oily side loop comprises air compressor host.
In above-mentioned arbitrary scheme, preferably, described air compressor host is provided with output terminal and input end.
In above-mentioned arbitrary scheme, preferably, described oily side loop comprises cylinder.
In above-mentioned arbitrary scheme, preferably, described cylinder is provided with an input end and two output terminals.
In above-mentioned arbitrary scheme, preferably, the output terminal of described air compressor host is connected with the input end of cylinder.
In above-mentioned arbitrary scheme, preferably, described oily side loop comprises gas holder.
In above-mentioned arbitrary scheme, preferably, an output terminal of described cylinder is connected with gas holder.
In above-mentioned arbitrary scheme, preferably, described heat recovering device is provided with oily side input end and oily side output terminal.
In above-mentioned arbitrary scheme, preferably, another output terminal of described cylinder is connected with the oily side input end of heat recovering device.
In above-mentioned arbitrary scheme, preferably, described oily side loop comprises oil circuit thermostat valve A.
In above-mentioned arbitrary scheme, preferably, described oil circuit thermostat valve A is provided with two input ends and an output terminal.
In above-mentioned arbitrary scheme, preferably, the oily side output terminal of described heat recovering device is connected with an input end of oil circuit thermostat valve A.
In above-mentioned arbitrary scheme, preferably, another input end of described oil circuit thermostat valve A is connected with the oily side input end of heat recovering device.
In above-mentioned arbitrary scheme, preferably, described oily side loop comprises returning-oil temperature sensor.
In above-mentioned arbitrary scheme, preferably, the output terminal of described oil circuit thermostat valve A is connected with returning-oil temperature sensor.
In above-mentioned arbitrary scheme, preferably, described oily side loop comprises oil path valve D.
In above-mentioned arbitrary scheme, preferably, described returning-oil temperature sensor is connected with oil path valve D.
In above-mentioned arbitrary scheme, preferably, described oily side loop comprises oil cooler.
In above-mentioned arbitrary scheme, preferably, described oil cooler is provided with input end and output terminal.
In above-mentioned arbitrary scheme, preferably, described oil path valve D is connected with the input end of oil cooler.
In above-mentioned arbitrary scheme, preferably, described oily side loop comprises oil path valve C.
In above-mentioned arbitrary scheme, preferably, described oil path valve C is arranged between the output terminal of cylinder and the oily side input end of heat recovering device.
In above-mentioned arbitrary scheme, preferably, described oily side loop comprises oil path valve E.
In above-mentioned arbitrary scheme, preferably, described oil path valve E is arranged between the oily side input end of heat recovering device and the oily side output terminal of heat recovering device.
In above-mentioned arbitrary scheme, preferably, described oil path valve E is connected with the input end of oil cooler.
In above-mentioned arbitrary scheme, preferably, described oily side loop comprises oil circuit thermostat valve B.
In above-mentioned arbitrary scheme, preferably, described oil circuit thermostat valve B is connected with the output terminal of oil cooler.
In above-mentioned arbitrary scheme, preferably, described oily side loop comprises oil filter.
In above-mentioned arbitrary scheme, preferably, the input end of described air compressor host is connected with oil filter.
In above-mentioned arbitrary scheme, preferably, described oil filter is connected with oil circuit thermostat valve B.
In above-mentioned arbitrary scheme, preferably, described heat recovering device is provided with water side input end and water side output terminal.
In above-mentioned arbitrary scheme, preferably, described water side loop comprises cold water inlet.
In above-mentioned arbitrary scheme, preferably, described cold water inlet is connected with the water side input end of heat recovering device.
In above-mentioned arbitrary scheme, preferably, described water side loop comprises hot water outlet pipe.
In above-mentioned arbitrary scheme, preferably, described hot water outlet pipe is connected with the water side output terminal of heat recovering device.
In above-mentioned arbitrary scheme, preferably, described cold water inlet is provided with cold water temperature sensor and cold water pressure table.
In above-mentioned arbitrary scheme, preferably, described hot water outlet pipe is provided with hot water temperature's sensor and waterway regulating valve.
In above-mentioned arbitrary scheme, preferably, described air compressor is at least provided with one.
In above-mentioned arbitrary scheme, preferably, described heat-exchange end magnitude setting and air compressor quantity are consistent.
In above-mentioned arbitrary scheme, preferably, comprise heat-insulating water tanks.
In above-mentioned arbitrary scheme, preferably, described heat-insulating water tanks is provided with hot water input end and cold water output terminal.
In above-mentioned arbitrary scheme, preferably, the hot water input end of described heat-insulating water tanks is connected and forms hot water pipe with the hot water outlet pipe of heat-exchange end.
In above-mentioned arbitrary scheme, preferably, the cold water output terminal of described heat-insulating water tanks is connected with the cold water inlet of heat-exchange end and forms cold water pipeline.
In above-mentioned arbitrary scheme, preferably, the hot water outlet pipe of described heat-exchange end is provided with hot water pipe's hand stop valve.
In above-mentioned arbitrary scheme, preferably, the cold water inlet of described heat-exchange end is provided with cold water pipeline hand stop valve.
In above-mentioned arbitrary scheme, preferably, described automatic control system comprises distribution box and PLC.
In above-mentioned arbitrary scheme, preferably, described heat-insulating water tanks is provided with heat-insulating water tanks liquid level sensor and heat-insulating water tanks temperature transducer, and described two kinds of sensors are provided with signaling line, and described signaling line is connected with PLC.
In above-mentioned arbitrary scheme, preferably, described heat-insulating water tanks is also provided with circulating water pump control loop.
In above-mentioned arbitrary scheme, preferably, described control loop is provided with signaling line, and described signaling line is connected with PLC.
In above-mentioned arbitrary scheme, preferably, described hot water pipe is provided with circulation waterway pressure transducer and circulation loop cooling-water temperature sensor, and described two kinds of sensors are provided with signaling line, and described signaling line is connected with PLC.
In above-mentioned arbitrary scheme, preferably, described cold water pipeline is provided with circulation waterway pressure transducer and circulation loop cooling-water temperature sensor, and described two kinds of sensors are provided with signaling line, and described signaling line is connected with PLC.
In above-mentioned arbitrary scheme, preferably, described cold water pipeline is provided with circulating water pump group, and this water pump group is provided with signaling line, and described signaling line is connected with PLC.
In above-mentioned arbitrary scheme, preferably, described cold water pipeline is provided with moisturizing loop.
In above-mentioned arbitrary scheme, preferably, be provided with tap water moisturizing mortor operated valve between described cold water pipeline and moisturizing loop, this moisturizing mortor operated valve is provided with signaling line, and described signaling line is connected with PLC.
The present invention's beneficial effect is compared with prior art: the present invention is to there being oily screw-rod air compressor to carry out heat-exchange end transformation, reclaim to greatest extent and utilize residual heat of air compressor, and form independent operating system, can supply with bathroom bathing application, particularly for colliery, worker's bathing is the important content of producing Rear-Service Support, the waste heat that rationally utilizes power equipment provides hot water for worker's bathing, it is the indispensability supply that meets worker's production and life requirement, and can guarantee application throughout the year, the energy-saving and cost-reducing important measures in colliery, can realize throughout the year without boiler operatiopn simultaneously, reduce the operation and management cost of boiler, the present invention also disposes automatic control system, can realize the automatic operation that residual heat of air compressor reclaims, and is also provided with circulating water pump group and moisturizing loop, can realize continuously hot-water supply.The residual heat of air compressor reclaiming is except can, for bathroom bathing, also can be applicable to the aspects such as boiler replenishing water preheating, factory building heating and pure water system heating.
Accompanying drawing explanation
Fig. 1 is according to the structural representation of a preferred embodiment of waste heat recovery system of air compressor of the present invention;
Fig. 2 is the heat-exchange end structural representation embodiment illustrated in fig. 1 according to waste heat recovery system of air compressor of the present invention.
Description of reference numerals:
1 air compressor host; 2 cylinders; 3 heat recovering devices; 4 oil circuit thermostat valve A; 5 cold water inlets; 6 cold water temperature sensors; 7 cold water pressure tables; 8 waterway regulating valves; 9 hot water temperature's sensors; 10 hot water outlet pipes; 11 returning-oil temperature sensors; 12 oil path valve C; 13 oil path valve D; 14 oil path valve E; 15 oil circuit thermostat valve B; 16 oil coolers; 17 oil filters; 18 oily side loops; 19 water side loops; 20 air compressors; 21 heat-exchange end; 22 distribution boxs; 23PLC; 24 circulation waterway pressure transducers; 25 circulation loop cooling-water temperature sensors; 26 circulating water pump groups; 27 tap water moisturizing mortor operated valves; 28 moisturizing loops; 29 heat-insulating water tanks liquid level sensors; 30 heat-insulating water tanks temperature transducers; 31 heat-insulating water tankss; 32 hot water pipe's hand stop valves; 33 cold water pipeline hand stop valves; 34 circulating water pump control loops; 35 bathrooms.
Embodiment
In order to understand better the present invention, below in conjunction with specific embodiment, the present invention is explained in detail, still, obviously can carry out different modification and remodeling and not exceed the wider spirit and scope of the present invention that appended claim limits the present invention.Therefore, following examples are to have exemplary and hard-core implication.
As shown in Figure 1-2, a kind of waste heat recovery system of air compressor, comprise air compressor 20 and heat-exchange end 21, described heat-exchange end 21 is provided with oily side loop 18 and water side loop 19, between described oily side loop 18 and water side loop 19, heat recovering device 3 is housed, described residual neat recovering system is also provided with automatic control system, oil side loop 18 comprises air compressor host 1, air compressor host 1 is provided with output terminal and input end, oil side loop 18 comprises cylinder 2, cylinder 2 is provided with an input end and two output terminals, the output terminal of air compressor host 1 is connected with the input end of cylinder 2, oil side loop 18 comprises gas holder, one output terminal of cylinder 2 is connected with gas holder, heat recovering device 3 is provided with oily side input end and oily side output terminal, another output terminal of cylinder 2 is connected with the oily side input end of heat recovering device 3, oil side loop 18 comprises oil circuit thermostat valve A4, oil circuit thermostat valve A4 is provided with two input ends and an output terminal, the oily side output terminal of heat recovering device 3 is connected with an input end of oil circuit thermostat valve A4, another input end of oil circuit thermostat valve A4 is connected with the oily side input end of heat recovering device 3, oil side loop 18 comprises returning-oil temperature sensor 11, the output terminal of oil circuit thermostat valve A4 is connected with returning-oil temperature sensor 11, oil side loop 18 comprises oil path valve D13, returning-oil temperature sensor 11 is connected with oil path valve D13, oil side loop 18 comprises oil cooler 16, oil cooler 16 is provided with input end and output terminal, oil path valve D13 is connected with the input end of oil cooler 16, oil side loop 18 comprises oil path valve C12, oil path valve C12 is arranged between the output terminal of cylinder 2 and the oily side input end of heat recovering device 3, oil side loop 18 comprises oil path valve E14, oil path valve E14 is arranged between the oily side input end of heat recovering device 3 and the oily side output terminal of heat recovering device 3, oil path valve E14 is connected with the input end of oil cooler 16, oil side loop 18 comprises oil circuit thermostat valve B15, oil circuit thermostat valve B15 is connected with the output terminal of oil cooler 16, oil side loop 18 comprises oil filter 17, the input end of air compressor host 1 is connected with oil filter 17, oil filter 17 is connected with oil circuit thermostat valve B15, heat recovering device 3 is provided with water side input end and water side output terminal, water side loop 19 comprises cold water inlet 5, cold water inlet 5 is connected with the water side input end of heat recovering device 3, water side loop 19 comprises hot water outlet pipe 10, hot water outlet pipe 10 is connected with the water side output terminal of heat recovering device 3, cold water inlet 5 is provided with cold water temperature sensor 6 and cold water pressure table 7, hot water outlet pipe 10 is provided with hot water temperature's sensor 9 and waterway regulating valve 8, air compressor 20 is at least provided with one, heat-exchange end 21 magnitude settings and air compressor 20 quantity are consistent, comprise heat-insulating water tanks 31, heat-insulating water tanks 31 is provided with hot water input end and cold water output terminal, the hot water input end of heat-insulating water tanks 31 is connected and forms hot water pipe with the hot water outlet pipe 10 of heat-exchange end 21, the cold water output terminal of heat-insulating water tanks 31 is connected and forms cold water pipeline with the cold water inlet 5 of heat-exchange end 21, the hot water outlet pipe 10 of heat-exchange end 21 is provided with hot water pipe's hand stop valve 32, the cold water inlet 5 of heat-exchange end 21 is provided with cold water pipeline hand stop valve 33, described automatic control system comprises distribution box 22 and PLC23, heat-insulating water tanks 31 is provided with heat-insulating water tanks liquid level sensor 29 and heat-insulating water tanks temperature transducer 30, described two kinds of sensors are provided with signaling line, described signaling line is connected with PLC23, heat-insulating water tanks 31 is also provided with circulating water pump control loop 34, circulating water pump control loop 34 is provided with signaling line, described signaling line is connected with PLC23, described hot water pipe is provided with circulation waterway pressure transducer 24 and circulation loop cooling-water temperature sensor 25, described two kinds of sensors are provided with signaling line, described signaling line is connected with PLC23, described cold water pipeline is provided with circulation waterway pressure transducer 24 and circulation loop cooling-water temperature sensor 25, and described two kinds of sensors are provided with signaling line, and described signaling line is connected with PLC23, described cold water pipeline is provided with circulating water pump group 26, this water pump group is provided with signaling line, described signaling line is connected with PLC23, described cold water pipeline is provided with moisturizing loop 28, is provided with tap water moisturizing mortor operated valve 27 between described cold water pipeline and moisturizing loop 28, and this moisturizing mortor operated valve is provided with signaling line, described signaling line is connected with PLC23, hard contact control signal is provided, and in conjunction with the Real-Time Monitoring of temperature and liquid level, realizes the Automatic-heating of this residual neat recovering system and control.The supporting circulating water pump group of cold water pipeline carries distribution box, and hard contact control signal is provided, and is connected with the PLC control cabinet of the automatic control system of this residual neat recovering system, realizes the automatic operation of system.Circulating water line material adopts Coating Steel Pipe; manage outer rubber and plastic thermal insulation layer 30mm, native system adopts low-temperature protection moisturizing mode of heating, to guarantee that the hot water in heat-insulating water tanks can meet the requirement of bathing at any time; heat-insulating water tanks adopts vector multiple spot liquid level to control, and liquid level can preset.The specified water flow 150L/min of native system, specified entering water temp 5-25 ℃, specified water-exit temperature 45-60 ℃, 120 ℃ of Maximum operating temperatures, Maximum operating pressure 10bar.
Described automatic control system function whole installation is a set of centralized control system independently, monitor corresponding temperature, pressure, the Operational Limitss such as liquid level also need to be carried out long-distance centralized control to the valve of centralized control system and water pump etc. according to Operational Limits and actual set, realize unmanned automation mechanized operation, this robot control system(RCS) adopts PLC programmable controller, control panel adopts touch screen LCD, water temperature and the liquid level of system Real-Time Monitoring heat-insulating water tanks, the control of circulating water pump adopts the using and the reserved, there is this locality/automatic switching function, local mode can pass through the button start-stop of control cabinet, when automatic mode can be realized fault, stand by pump starts automatically, circular water replenishing pump carries out automatic water supplement according to unit fixed on water pump suction pressure simultaneously, all controlled plants (comprising all mortor operated valves, water pump etc.) can be placed in manual/auto control mode.
The working principle of heat-exchange end of the present invention and workflow: be by oil and the direct heat transfer of water, heat direct replacement to be out used, it reclaims the thermal efficiency can reach 60% of unit operation power.Air produces the gas mixture of high temperature after air compressor host compression, through cylinder separation oil and gas mixture, gas after separation is delivered to gas holder, high temperature oil after conveying is delivered to heat recovering device, high temperature oil is carried out profit through heat recovering device and is replaced heat exchange, when temperature transducer detects returning-oil temperature and requires lower than air compressor host oil temperature, thermostat valve strengthens open degree automatically, guarantee the requirement of air compressor host oil temperature, guarantee that air compressor normally moves, cold water inlet should detect entering water temp and pressure, cold water is delivered to temperature transducer through heat recovering device and detects, when water temperature is too low, waterway regulating valve reduces open degree automatically, when water temperature over-high, waterway regulating valve strengthens open degree automatically, thereby reaches the demand of water-exit temperature, when waste heat recovering device is shut down maintenance, close both sides oil path valve, oil path valve in the middle of opening, high temperature oil just enters original cooler, guarantees that air compressor normally moves.
Working principle of the present invention and workflow: when heat-insulating water tanks water level reaches setting low value, by heat-insulating water tanks liquid level sensor signal transmission to automatic control system, by automatic control system, sending instruction opens and makes the cold water in moisturizing loop enter cold water pipeline to tap water moisturizing mortor operated valve, by automatic control system, send instruction to circulating water pump group starts simultaneously, cold water is delivered to heat-exchange end heating cold water hot water without interruption to heat-insulating water tanks, to remain that heat-insulating water tanks is in normal water level, effectively avoid this cistern water level too low, when the water temperature of heat-insulating water tanks is during lower than setting value, moisturizing loop stops moisturizing automatically, when the water temperature of heat-insulating water tanks is too low, by heat-insulating water tanks temperature transducer signal transmission to automatic control system, and send instruction to circulating water pump group increase output power by automatic control system, increase circulation and the heat exchange efficiency of cold water, thereby guarantee the water temperature stability of heat-insulating water tanks, circulation waterway pressure transducer and cooling-water temperature sensor are monitored respectively cold water pipeline and hot water pipe's water temperature and hydraulic pressure, hot water pipe's hand stop valve and cold water pipeline hand stop valve are closed when heat-exchange end is overhauled, to prevent the water generation adverse current in circulation loop, the control loop of heat-insulating water tanks can effectively be controlled water output, to guarantee the normal operation of circulation waterway.
Claims (10)
1. a waste heat recovery system of air compressor, comprise air compressor (20) and heat-exchange end (21), it is characterized in that: described heat-exchange end (21) is provided with oily side loop (18) and water side loop (19), between described oily side loop (18) and water side loop (19), heat recovering device (3) is housed, described residual neat recovering system is also provided with automatic control system.
2. waste heat recovery system of air compressor as claimed in claim 1, is characterized in that, oily side loop (18) comprises air compressor host (1).
3. waste heat recovery system of air compressor as claimed in claim 2, is characterized in that, air compressor host (1) is provided with output terminal and input end.
4. waste heat recovery system of air compressor as claimed in claim 3, is characterized in that, oily side loop (18) comprises cylinder (2).
5. waste heat recovery system of air compressor as claimed in claim 4, is characterized in that, cylinder (2) is provided with an input end and two output terminals.
6. waste heat recovery system of air compressor as claimed in claim 5, is characterized in that, the output terminal of air compressor host (1) is connected with the input end of cylinder (2).
7. waste heat recovery system of air compressor as claimed in claim 6, is characterized in that, oily side loop (18) comprises gas holder.
8. waste heat recovery system of air compressor as claimed in claim 7, is characterized in that, an output terminal of cylinder (2) is connected with gas holder.
9. waste heat recovery system of air compressor as claimed in claim 8, is characterized in that, heat recovering device (3) is provided with oily side input end and oily side output terminal.
10. waste heat recovery system of air compressor as claimed in claim 9, is characterized in that, another output terminal of cylinder (2) is connected with the oily side input end of heat recovering device (3).
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| CN201410165000.7A CN103939350A (en) | 2014-04-23 | 2014-04-23 | Residual heat recycling system of air compressor |
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| CN201410165000.7A CN103939350A (en) | 2014-04-23 | 2014-04-23 | Residual heat recycling system of air compressor |
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| CN105063944A (en) * | 2015-07-30 | 2015-11-18 | 江苏倪家巷集团精毛纺织有限公司 | Waste heat recovery system of dyeing and finishing workshop |
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| CN106128527A (en) * | 2016-07-05 | 2016-11-16 | 中国核动力研究设计院 | The initial operating mode of passive experiment sets up aid system and using method thereof |
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| CN105063944B (en) * | 2015-07-30 | 2017-07-25 | 江苏倪家巷集团精毛纺织有限公司 | Dyeing and finishing workshop residual neat recovering system |
| CN106128527A (en) * | 2016-07-05 | 2016-11-16 | 中国核动力研究设计院 | The initial operating mode of passive experiment sets up aid system and using method thereof |
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