CN203394709U - Waste heat conversion system - Google Patents

Waste heat conversion system Download PDF

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Publication number
CN203394709U
CN203394709U CN201320408814.XU CN201320408814U CN203394709U CN 203394709 U CN203394709 U CN 203394709U CN 201320408814 U CN201320408814 U CN 201320408814U CN 203394709 U CN203394709 U CN 203394709U
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China
Prior art keywords
waste heat
heat
conversion device
water
exchange pipeline
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CN201320408814.XU
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张玉娟
张晏铭
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SHANXI MINGXINLONG COAL MINE MACHINERY EQUIPMENT Co Ltd
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SHANXI MINGXINLONG COAL MINE MACHINERY EQUIPMENT Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

Abstract

The utility model discloses a waste heat conversion system, comprising a waste heat generating device, a waste heat conversion device, a circulation water tank, a circulation water pump and a heat supply water pump, wherein the waste heat generating device is connected with the waste heat conversion device by a waste heat pipeline which is located in the waste heat conversion device; the waste heat conversion device is connected with the circulation water tank by a heat exchange pipeline which is located in the waste heat conversion device; the waste heat conversion device is filled with a heat-conducting medium; waste heat in the waste heat pipeline is transferred to the heat exchange pipeline by the medium so as to heat water in the pipeline. The waste heat conversion system has the advantages that the structure is simple, the manufacturing cost is low, the use is efficient, the waste heat generating device is particularly capable of recycling and converting heat produced in the work of an air compressor, the heat can be used for hot requirements of domestic water, bath water, boiler water supplement, heating and the like in factories, and the heat utilization rate is high.

Description

Waste heat converting system
Technical field
The utility model relates to a kind of energy conserving system, particularly, is a kind of energy conserving system that the air compressor waste heat that oil, gas produce is in the course of the work carried out to two heat recovery conversion using.
Background technique
In the long-continued running of air compressor, electric energy is converted to the mechanical energy of screw rod, to air, acting produces pressurized air to screw rod, the poly-liter that now can cause air temperature, simultaneously also can frictional heating in compression process, the high heat of generation generally can reach 80-100 ℃, in the prior art, these high-temperature part are discharged by the air-cooled or water-cooled passed through of air compressor lubricating oil, and part is taken away by pressurized air.In above process, in the process of the oil of High Temperature High Pressure, gas cooling, a large amount of heat energy is just by waste for no reason.
Application number is that 201210559295.7 Chinese patent application discloses a kind of air compressor heat recovery energy saving device, between its High Temperature Gas inlet pipe at air compressor, High Temperature Gas outlet conduit, be connected with gas circuit heat exchanger, between the high temperature oil inlet pipe of air compressor, high temperature oil outlet conduit, be connected with oil circuit heat exchanger, the heating water outlet of described gas circuit heat exchanger and oil circuit heat exchanger is communicated with the coolant outlet of cyclic water tank respectively.By the oil of the High Temperature High Pressure of air compressor generation and gas are carried out heat exchange and are utilized.This device has solved the problem of utilizing of air compressor heat to a certain extent, but it needs at least two heat exchangers just can use, and increased manufacture cost, and the temperature in cyclic process can not be well controlled.
The Chinese patent of CN202250716U discloses a kind of waste heat recovery system of air compressor, want in the hole that it includes water-heating machine, match with water-heating machine, water Heating Cyclic pump, heat energy converting machine, production line heating-up zone, deadweight, described water-heating machine is interconnected to form soft circulation circuit with air compressor and hot water tank by pipeline respectively, and between water-heating machine and hot water tank, is connected with a water Heating Cyclic pump; Described heat energy converting machine is interconnected to form soft circulation circuit with hot water tank and production line heating-up zone by pipeline respectively, and between hot water tank and heat energy converting machine, is connected with a wind Heating Cyclic pump.This model utility can be transformed into the preheating of air compressor in hot water, then converts the heat of hot water to hot blast, finally by the overheated heating region being recycled on production line.But this reclaiming system complex structure, manufacture cost is high, and because having passed through heat, heat is transformed into hot water, hot water converts the process that hot blast is transported to production line again to, in real process, very large energy consumption will be produced, the last heat that can utilize will be very limited, and actual use will run into a lot of difficulties.
Model utility content
The purpose of this utility model is to overcome above defect, provide a kind of simple in structure, cheap for manufacturing cost, use efficient waste heat converting system, its can waste heat generation device particularly produce in air compressor work heat reclaim conversion, for hot water demands such as the domestic water of factory, bath water, boiler replenishing water, heating, heat utilization ratio is high.
For achieving the above object, the utility model by the following technical solutions:
A converting system, comprises waste heat generation device and residual heat conversion device, includes in addition cyclic water tank, circulating water pump and heat supply water pump.Waste heat generation device is connected by waste heat pipeline with residual heat conversion device, and waste heat pipe section is positioned at residual heat conversion device; Waste heat converter device is connected with cyclic water tank by heat exchange pipeline, and heat exchange pipeline is partly positioned at residual heat conversion device; Falling heat-transfer medium in residual heat conversion device, makes the ducted waste heat of waste heat pass to heat exchange pipeline by medium, thus the water in heating pipe.
Residual heat conversion device as above, preferably, circulating water pump is arranged at heat exchange pipeline and between waste heat converter device and cyclic water tank.
In above-mentioned any scheme, preferably, described waste heat generation device is air compressor.
In above-mentioned any scheme, preferably, described waste heat generation device can also be exhaust heat boiler.
In above-mentioned any scheme, preferably, the oil line pipe of described air compressor and gas path pipe are through residual heat conversion device.
In above-mentioned any scheme, preferably, described air compressor is provided with thermostat valve.More preferably, described thermostat valve is electric temperature control valve.
In above-mentioned any scheme, preferably, described thermostat valve is also provided with heat exchange pipeline again; Thermostat valve and residual heat conversion device are connected by heat exchange pipeline again.
High temperature oil in described oil line pipe temperature after residual heat conversion device reduces, and through thermostat valve, detects, if temperature reaches requirement, by oil circuit outlet conduit, is displaced into oil cooler; If temperature is still very high, high temperature oil is passed through residual heat conversion device again by heat exchange pipeline again, until temperature reaches requirement.
High temperature oil in described oil line pipe temperature after residual heat conversion device reduces, and through thermostat valve, detects, if temperature reaches requirement, by oil circuit outlet conduit, is displaced into oil cooler; If temperature still arrives very much, high temperature oil is passed through residual heat conversion device again by heat exchange pipeline again, until temperature reaches requirement; If the oil temperature in oil line pipe is normal, can, without residual heat conversion device, directly enter next system.
High Temperature Gas in described gas path pipe temperature after residual heat conversion device reduces, and through thermostat valve, detects, if temperature reaches requirement, by gas circuit outlet conduit, is displaced into air cooling device; If temperature is still very high, High Temperature Gas is passed through residual heat conversion device again by heat exchange pipeline again, until temperature reaches requirement; If the oil temperature in gas path pipe is normal, can, without residual heat conversion device, directly enter next system.
In above-mentioned any scheme, preferably, in described air compressor, be provided with thermostat valve; The oil line pipe and the gas path pipe that connect respectively air compressor.
In above-mentioned any scheme, preferably, described waste heat pipeline is positioned at residual heat conversion device and is partly U-shaped arrangement.
In above-mentioned any scheme, preferably, described heat exchange pipeline is positioned at residual heat conversion device and is partly U-shaped arrangement.
In above-mentioned any scheme, preferably, described heat exchange pipeline entrance and water supply pipe and again heat exchange pipeline are connected; More preferably, described heat exchange pipeline entrance is T font with described water supply pipe with described heat exchange pipeline again and is connected.
In above-mentioned any scheme, preferably, described water supply pipe is provided with flow control valve.
In above-mentioned any scheme, preferably, described heat exchange pipeline is again provided with flow control valve.
In above-mentioned any scheme, preferably, described heat exchange pipeline entrance, water supply pipe and again heat exchange pipeline T font joint are provided with thermostat valve; Water temperature in cyclic water tank is when setting range, then the flow control valve of heat exchange pipeline cuts out, and whole system is carried out heat recovery by tap water; When water temperature in cyclic water tank is on the low side, then the flow control valve of heat exchange pipeline opens, and the water circulation in water tank enters residual heat conversion device and again heats, so that the water temperature in water tank reaches setting value; When heat exchange pipeline water temperature is during higher than setting value, by flow control valve, increase the flow of tap water to enter residual heat conversion device.
In above-mentioned any scheme, preferably, heat supply water pump is arranged at the outlet conduit of cyclic water tank, and the hot water that heat recovery produces is fed to by heat supply water pump the place that each needs hot water.
In above-mentioned any scheme, preferably, described cyclic water tank is also connected with at least one water storage HEATING BOX; Water temperature in cyclic water tank reaches setting range, and hot water is not when used in the short time, can be by hot water storage to water storage HEATING BOX.
In above-mentioned any scheme, preferably, waste heat converting system as above is connected with computer equipment; Whole system is controlled by computer, and when waste heat generation device quits work, residual heat conversion device is also by out of service.
In above-mentioned any scheme, preferably, in described residual heat conversion device and cyclic water tank, be respectively arranged with purging system; To set time, automatically start incrustation scale purging system, clean the incrustation scale of residual heat conversion device and cyclic water tank, cleaned the heat production water running state that automatically restores to.
In above-mentioned any scheme, preferably, described residual heat conversion device outer wrap has thermal-protective material.More preferably, described thermal-protective material is rock wool or asbestos.
During the operation of this waste heat converting system, the high-temp liquid of waste heat generation device or gas enter into residual heat conversion device by waste heat pipeline, carry out after heat exchange high-temp liquid with medium in residual heat conversion device or gas turns back to residual heat conversion device, through thermostat valve, detect, if temperature reaches requirement, by outlet conduit, be displaced into next system; If temperature still arrives very much, by heat exchange pipeline again, again pass through residual heat conversion device, until temperature reaches requirement.Simultaneously, the running water valve of waste heat converting system is opened, tap water enters residual heat conversion device by water supply pipe, after heat exchange, temperature raises, then enter cyclic water tank, water temperature in cyclic water tank is when setting range, then the flow control valve of heat exchange pipeline cuts out, and whole system is carried out heat recovery by tap water; When water temperature in cyclic water tank is on the low side, then the flow control valve of heat exchange pipeline opens, and the water circulation in water tank enters residual heat conversion device and again heats, so that the water temperature in water tank reaches setting value; When heat exchange pipeline water temperature is during higher than setting value, by flow control valve, increase the flow of tap water to enter residual heat conversion device.The hot water that exchange produces through waste heat is supplied to through heat supply water pump the place that needs hot water.
The beneficial effects of the utility model: according to waste heat converting system of the present invention, simple in structure, cheap for manufacturing cost, use efficient waste heat converting system, its heat that waste heat generation device particularly can be produced in air compressor work reclaims conversion, for hot water demands such as the domestic water of factory, bath water, boiler replenishing water, heating, heat utilization ratio is high; In addition, by the monitoring of computer and regular cleaning, the possibility that the system of greatly reducing breaks down.
Accompanying drawing explanation
Fig. 1 is the preferred structure embodiment schematic diagram according to waste heat converting system of the present utility model;
1-residual heat conversion device; 2-cyclic water tank; 3-circulating water pump; 4-heat supply water pump; 5-waste heat pipeline 1; 6-waste heat pipeline 2; 7-heat exchange pipeline; 8-thermostat valve; 9-water supply pipe; 10-valve 1; 11-is heat exchange pipeline again; 12-valve 2; 13-outlet conduit; 14-air compressor; 15-heat-conducting medium.
Embodiment
Embodiment 1
A converting system, as shown in Figure 1, comprises air compressor 14 and residual heat conversion device 1, includes in addition cyclic water tank 2, circulating water pump 3 and heat supply water pump 4.Air compressor and residual heat conversion device connect by waste heat pipeline (5,6), and waste heat pipe section is positioned at residual heat conversion device, and waste heat pipeline is positioned at residual heat conversion device and is partly U-shaped arrangement; In air compressor, be also provided with thermostat valve 8, the oil line pipe of air compressor is connected with waste heat pipeline 5 by thermostat valve 8, and the gas path pipe of air compressor is also connected with waste heat pipeline 6 by thermostat valve 8;
Waste heat converter device is connected with cyclic water tank 2 by heat exchange pipeline 7, and heat exchange pipeline 7 parts are positioned at residual heat conversion device 1, and heat exchange pipeline is positioned at residual heat conversion device and is partly U-shaped arrangement; In residual heat conversion device, described in falling heat-transfer medium 15(, heat-conducting medium is water), make the ducted waste heat of waste heat pass to heat exchange pipeline 7 by medium, thus the water in heating pipe; Circulating water pump is arranged at heat exchange pipeline 7 and between residual heat conversion device and cyclic water tank; On heat exchange pipeline, be provided with valve 12, on water supply pipe, be provided with valve 10; Water supply pipe 9 and again heat exchange pipeline are respectively arranged with flow control valve; The entrance of heat exchange pipeline 7 and water supply pipe 9 and again heat exchange pipeline 11 are T font and are connected; T font joint is provided with electric temperature control valve; Heat supply water pump is arranged at the outlet conduit 13 of cyclic water tank, and the hot water that heat recovery produces is fed to by heat supply water pump the place that each needs hot water.
Embodiment 2
Air compressor in embodiment 1 replaces with exhaust heat boiler.
Embodiment 3
A converting system, comprises air compressor and residual heat conversion device, includes in addition cyclic water tank, circulating water pump and heat supply water pump, and residual heat conversion device is wrapped with thermal-protective material asbestos; In described residual heat conversion device and described cyclic water tank, be also respectively arranged with purging system; Air compressor is connected by waste heat pipeline with residual heat conversion device, and waste heat pipe section is positioned at residual heat conversion device, and waste heat pipeline is positioned at residual heat conversion device and is partly U-shaped arrangement; In air compressor, be also provided with thermostat valve, the oil line pipe of air compressor is connected with waste heat pipeline by thermostat valve, and the gas path pipe of air compressor is also connected with waste heat pipeline by thermostat valve; Described thermostat valve is also provided with heat exchange pipeline again; Thermostat valve and residual heat conversion device are connected by heat exchange pipeline again; Waste heat converter device is connected with cyclic water tank by heat exchange pipeline, and heat exchange pipeline is partly positioned at residual heat conversion device, and heat exchange pipeline is positioned at residual heat conversion device and is partly U-shaped arrangement; Falling heat-transfer medium in residual heat conversion device (described heat-conducting medium is conduction oil), makes the ducted waste heat of waste heat pass to heat exchange pipeline by medium, thus the water in heating pipe; Circulating water pump is arranged at heat exchange pipeline and between residual heat conversion device and cyclic water tank; On heat exchange pipeline, be provided with valve, on water supply pipe, be provided with valve; Water supply pipe and again heat exchange pipeline are respectively arranged with flow control valve; The entrance of heat exchange pipeline and water supply pipe and again heat exchange pipeline are T font and are connected; T font joint is provided with electric temperature control valve.Cyclic water tank is also connected with at least one water storage HEATING BOX; Water temperature in cyclic water tank reaches setting range, and hot water is not when used in the short time, can be by hot water storage to water storage HEATING BOX; Heat supply water pump is arranged at the outlet conduit of cyclic water tank, and the hot water that heat recovery produces is fed to by heat supply water pump the place that each needs hot water; Waste heat converting system of the present utility model is connected with computer equipment, and whole system is controlled by computer, and when waste heat generation device quits work, residual heat conversion device is also by out of service.
During described waste heat converting system operation, the high-temp liquid of waste heat generation device or gas enter into residual heat conversion device by waste heat pipeline, carry out after heat exchange high-temp liquid with medium in residual heat conversion device or gas turns back to residual heat conversion device, through thermostat valve, detect, if temperature reaches requirement, by outlet conduit, be displaced into next system; If temperature still arrives very much, by heat exchange pipeline again, again pass through residual heat conversion device, until temperature reaches requirement.Simultaneously, the running water valve of waste heat converting system is opened, tap water enters residual heat conversion device by water supply pipe, after heat exchange, temperature raises, then enter cyclic water tank, water temperature in cyclic water tank is when setting range, then the flow control valve of heat exchange pipeline cuts out, and whole system is carried out heat recovery by tap water; When water temperature in cyclic water tank is on the low side, then the flow control valve of heat exchange pipeline opens, and the water circulation in water tank enters residual heat conversion device and again heats, so that the water temperature in water tank reaches setting value; When heat exchange pipeline water temperature is during higher than setting value, by flow control valve, increase the flow of tap water to enter residual heat conversion device.The hot water that exchange produces through waste heat is supplied to through heat supply water pump the place that needs hot water.
Embodiment recited above is described preferred implementation of the present utility model; not the utility model scope is limited; design under spiritual prerequisite not departing from the utility model; various distortion and improvement that the common engineers and technicians in related domain make the technical solution of the utility model, all should fall in the definite protection domain of claims of the present utility model.Those skilled in the art are not difficult to find out equally, the utility model is improvements over the prior art, it is the combination that the technical problem for existing in solution prior art is carried out these key elements of the prior art, this combination a large amount of creative work that condensed is the crystallization of a large amount of theoretical researches of inventor and scientific experiment.

Claims (21)

1. a waste heat converting system, comprises waste heat generation device and residual heat conversion device, it is characterized in that: also include cyclic water tank, circulating water pump and heat supply water pump; Described waste heat generation device is connected by waste heat pipeline with residual heat conversion device, and waste heat pipe section is positioned at residual heat conversion device; Waste heat converter device is connected with cyclic water tank by heat exchange pipeline, and heat exchange pipeline is partly positioned at residual heat conversion device; Falling heat-transfer medium in residual heat conversion device, makes the ducted waste heat of waste heat pass to heat exchange pipeline by medium, thus the water in heating pipe.
2. waste heat converting system as claimed in claim 1, is characterized in that: described circulating water pump is arranged at heat exchange pipeline and between waste heat converter device and cyclic water tank.
3. waste heat converting system as claimed in claim 1, is characterized in that: described waste heat generation device is air compressor.
4. waste heat converting system as claimed in claim 1, is characterized in that: waste heat generation device is exhaust heat boiler.
5. waste heat converting system as claimed in claim 3, is characterized in that: described air compressor is provided with thermostat valve.
6. waste heat converting system as claimed in claim 5, is characterized in that: described thermostat valve is electric temperature control valve.
7. waste heat converting system as claimed in claim 5, is characterized in that: described thermostat valve is also provided with heat exchange pipeline again; Thermostat valve and residual heat conversion device are connected by heat exchange pipeline again.
8. waste heat converting system as claimed in claim 3, is characterized in that: in described air compressor, be provided with thermostat valve, it is connecting respectively oil line pipe and the gas path pipe of air compressor.
9. waste heat converting system as claimed in claim 1, is characterized in that: described waste heat pipeline is positioned at residual heat conversion device and is partly U-shaped arrangement.
10. waste heat converting system as claimed in claim 1, is characterized in that: described heat exchange pipeline is positioned at residual heat conversion device and is partly U-shaped arrangement.
11. waste heat converting systems as claimed in claim 1, is characterized in that: described heat exchange pipeline and water supply pipe and again heat exchange pipeline are connected.
12. waste heat converting systems as claimed in claim 11, is characterized in that: described heat exchange pipeline entrance is T font with described water supply pipe with described heat exchange pipeline again and is connected.
13. waste heat converting systems as claimed in claim 11, is characterized in that: described water supply pipe is provided with flow control valve.
14. waste heat converting systems as claimed in claim 11, is characterized in that: described heat exchange pipeline is again provided with flow control valve.
15. waste heat converting systems as claimed in claim 12, is characterized in that: described heat exchange pipeline entrance, water supply pipe and again heat exchange pipeline T font joint are provided with thermostat valve; Water temperature in cyclic water tank is when setting range, then the flow control valve of heat exchange pipeline cuts out, and whole system is carried out heat recovery by tap water; When water temperature in cyclic water tank is on the low side, then the flow control valve of heat exchange pipeline opens, and the water circulation in water tank enters residual heat conversion device and again heats, so that the water temperature in water tank reaches setting value; When heat exchange pipeline water temperature is during higher than setting value, by flow control valve, increase the flow of tap water to enter residual heat conversion device.
16. waste heat converting systems as claimed in claim 1, is characterized in that: heat supply water pump is arranged at the outlet conduit of cyclic water tank.
17. waste heat converting systems as claimed in claim 1, is characterized in that: described cyclic water tank is also connected with at least one water storage HEATING BOX; Water temperature in cyclic water tank reaches setting range, and hot water is not when used in the short time, can be by hot water storage to water storage HEATING BOX.
18. waste heat converting systems as claimed in claim 1, is characterized in that: described waste heat converting system is connected with computer equipment; Whole system is controlled by computer, and when waste heat generation device quits work, residual heat conversion device is also by out of service.
19. waste heat converting systems as claimed in claim 3, is characterized in that: in described residual heat conversion device and cyclic water tank, be respectively arranged with purging system; To set time, automatically start incrustation scale purging system, clean the incrustation scale of residual heat conversion device and cyclic water tank, cleaned the heat production water running state that automatically restores to.
20. waste heat converting systems as claimed in claim 3, is characterized in that: described residual heat conversion device outer wrap has thermal-protective material.
21. waste heat converting systems as claimed in claim 20, is characterized in that: described thermal-protective material is rock wool or asbestos.
CN201320408814.XU 2013-07-10 2013-07-10 Waste heat conversion system Active CN203394709U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105179203A (en) * 2015-09-17 2015-12-23 合肥德顺机电设备有限公司 Air compressor waste heat recycling system capable of outputting hot water at various temperatures
CN105454339A (en) * 2015-12-24 2016-04-06 许昌学院 Combined temperature-changing type water filtering frying machine
CN106438291A (en) * 2016-09-23 2017-02-22 中冶辽宁德龙钢管有限公司 Cooling method and cooling system of air compressor
CN106640417A (en) * 2016-12-28 2017-05-10 重庆金之川动力机械有限公司 Waste heat recovery system of generator
CN107150049A (en) * 2017-06-29 2017-09-12 黄石鑫华轮毂有限公司 Aluminium alloy automobile hub Coating Pretreatment cleaning device
CN109405596A (en) * 2017-08-15 2019-03-01 永康市航峰橡塑制品有限公司 A kind of thermal energy recycling circulation recycling system
CN111720813A (en) * 2020-05-13 2020-09-29 辽宁科技大学 Boiler blow-off water and sewage source heat pump energy recycling system
CN112253427A (en) * 2020-10-24 2021-01-22 江西智奇压缩机有限公司 Heat energy recovery device for air compressor
CN112360745A (en) * 2020-11-10 2021-02-12 优利德(江苏)化工有限公司 Air compressor machine waste heat recovery device suitable for chemical plant

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105179203A (en) * 2015-09-17 2015-12-23 合肥德顺机电设备有限公司 Air compressor waste heat recycling system capable of outputting hot water at various temperatures
CN105454339A (en) * 2015-12-24 2016-04-06 许昌学院 Combined temperature-changing type water filtering frying machine
CN106438291A (en) * 2016-09-23 2017-02-22 中冶辽宁德龙钢管有限公司 Cooling method and cooling system of air compressor
CN106438291B (en) * 2016-09-23 2018-06-22 中冶辽宁德龙钢管有限公司 The cooling means and cooling system of a kind of air compressor
CN106640417A (en) * 2016-12-28 2017-05-10 重庆金之川动力机械有限公司 Waste heat recovery system of generator
CN106640417B (en) * 2016-12-28 2018-07-03 重庆金之川动力机械有限公司 A kind of generator Waste Heat Recovery System
CN107150049A (en) * 2017-06-29 2017-09-12 黄石鑫华轮毂有限公司 Aluminium alloy automobile hub Coating Pretreatment cleaning device
CN109405596A (en) * 2017-08-15 2019-03-01 永康市航峰橡塑制品有限公司 A kind of thermal energy recycling circulation recycling system
CN111720813A (en) * 2020-05-13 2020-09-29 辽宁科技大学 Boiler blow-off water and sewage source heat pump energy recycling system
CN112253427A (en) * 2020-10-24 2021-01-22 江西智奇压缩机有限公司 Heat energy recovery device for air compressor
CN112360745A (en) * 2020-11-10 2021-02-12 优利德(江苏)化工有限公司 Air compressor machine waste heat recovery device suitable for chemical plant

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