CN205101196U - A air compressor waste heat recovery system for paint drying - Google Patents
A air compressor waste heat recovery system for paint drying Download PDFInfo
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- CN205101196U CN205101196U CN201520787311.7U CN201520787311U CN205101196U CN 205101196 U CN205101196 U CN 205101196U CN 201520787311 U CN201520787311 U CN 201520787311U CN 205101196 U CN205101196 U CN 205101196U
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Abstract
The utility model provides an air compressor waste heat recovery system for paint drying, includes air compressor, oily water heat exchanger, heat -retaining water pitcher, oil water heat exchanger's oil side with air compressor's oil circuit pipeline series connection is constituteed and is got the hot loop, oil water heat exchanger's water side is connected gradually with the series system by water pipe heat -retaining water pitcher, circulating water pump and gas water heat exchanger's water side, constitute heat -retaining and heat transfer loop, gas water heat exchanger's gas side connects gradually combustor, fan and paint drying room by the main road wind channel with the mode of establishing ties, constitutes air heating and conveying return circuit. The utility model discloses get up to be used for the paint drying line with the waste heat recovery of air compressor during operation, saved manufacturing cost greatly to can the effectual work efficiency who improves air compressor.
Description
Technical field
The utility model relates to air compressor waste heat recovering device, is specifically related to a kind of air compressor residual neat recovering system for paint drying.
Background technique
Air compressor is a kind of power equipment that industrial enterprise commonly uses, and can produce a large amount of heats at work.Air compressor relies on the cooling system of self to cool by the air that compresses and lubricant oil, a large amount of waste heats is discharged in air, causes very large waste.For screw air compressor, during work lubricating oil temperature usually up to 90 DEG C ~ 110 DEG C, high oil temperature, can affect the working efficiency of air compressor, reduce service life of a machine; Oil temperature is too low, can reduce the lubrication effect of lubricant oil, so generally control a suitable temperature by the lubricating oil temperature of air compressor, in the process controlling lubricating oil temperature, a large amount of waste heats can be caused to be released.
On the other hand, in industrial enterprise, while a large amount of waste heat is discharged, usually there is the place much technique needing heat energy, such as paint drying usually needs the heat energy of at substantial, if the heat recovery of air compressor can be got up for the heat supply of paint drying room, will greatly save the energy consumption of enterprise, reduce cost of production.
The air compressor waste heat recovering device of prior art, general employing oil water heat exchange device coordinates water storage tank to reclaim air compressor working afterheat, domestic hot-water is provided, the heat of water storage tank can only be interrupted use, can not at higher temperature continuous heat supply, limit the application area reclaiming heat, reasonable employment is difficult to for this occasion of continuous heat supply that needs of paint drying.While the stable operation of guarantee air compressor, effectively reclaimed by the waste heat of air compressor and be used for the heat supply of paint drying room, prior art there is no practical technological scheme.
Summary of the invention
The purpose of this utility model is for the problems referred to above, a kind of air compressor residual neat recovering system for paint drying is provided, this system is while guarantee air compressor efficient stable runs, the waste heat of air compressor fully can be reclaimed, for giving the heat supply of paint baking room, thus reach alternative or reduce paint drying room to the consumption of the energy, realize Waste Heat Reuse, reduce cost of production.
The utility model realizes the technological scheme that above-mentioned purpose takes: a kind of air compressor residual neat recovering system for paint drying, comprises air compressor, oil water heat exchange device, heat accumulation water pot; The oily side of described oil water heat exchange device and the oil line pipe of described air compressor are connected in series, composition heat-obtaining loop; The water side of described oil water heat exchange device by water pipeline connects the water side of described heat accumulation water pot, circulating water pump and air-water heat exchanger in a series arrangement successively, composition heat accumulation and heat transfer loop; The gas side of described air-water heat exchanger connects burning machine, blower fan and paint drying room by main road air channel successively in the mode of series connection, composition air heating and transmission loop.
Further, being provided with the branch road air channel in parallel with described air-water heat exchanger, branch road air channel flow-stopping plate and main road air channel flow-stopping plate in described air heating and transmission loop, by switching flow-stopping plate, forming two kinds of gas flow loop.
Further, in described air heating and transmission loop, be provided with fresh wind port, this fresh wind port is located between described main road air channel flow-stopping plate and air-water heat exchanger.
Further, in described heat accumulation and heat transfer loop, be provided with electric auxiliary heating device, this electric auxiliary heating device is assemblied in the water outlet end of described circulating water pump.
Further, be provided with electric three passes ratio adjusting valve at the filler opening end of described oil water heat exchange device, this electric three passes ratio adjusting valve connects the flowline of described air compressor, the inflow pipeline of described oil water heat exchange device and the oil returning tube of described air compressor respectively.
Further, modulating valve has been installed in parallel in the water side of described oil water heat exchange device.
The beneficial effect that the utility model is used for the air compressor residual neat recovering system of paint drying is:
1, heat recovery when air compressor works by this system also stores, and stablizes and is the heat supply of paint drying room continuously, by Waste Heat Reuse, reducing energy consumption, greatly save cost of production, and effectively can improve the working efficiency of air compressor;
2, flow-stopping plate is adopted to realize the main road air channel gas flow loop mode of operation different with branch road air channel gas flow loop two kinds, burning machine is adopted to provide partial heat when waste heat is not enough, all adopt waste heat for supplying when waste heat is abundant, thus the system of guarantee is to the stable heating in paint drying room;
3, utilize favorably situated fresh wind port to supplement new wind, and make the new wind that enters from fresh wind port, can waste heat be utilized under above-mentioned two kinds of different working modes, thus realize making full use of waste heat;
4, in heat accumulation and heat transfer loop, sizeable heat accumulation water pot is added, can steady heat water loop temperature, thus reduce the fluctuation that in air compressor work, start and stop cause waste heat supply temperature;
5, in heat accumulation and heat transfer loop, add electric auxiliary heating device, the stable of hot-water return temperature can be ensured;
6, electric three passes ratio adjusting valve is set at the filler opening end of oil water heat exchange device, makes system while the stable operation of guarantee air compressor, recovery waste heat to greatest extent, and the working efficiency that therefore improve air compressor;
7, be installed in parallel modulating valve in the water side of oil water heat exchange device, the aperture of modulating valve can be carried out according to the return water temperature after air-water heat exchanger, improve the recycling efficiency of hot water to greatest extent.
Accompanying drawing explanation
Fig. 1 is originally for a kind of example structure schematic diagram of the air compressor residual neat recovering system of paint drying.
Fig. 2 is originally for the another kind of example structure schematic diagram of the air compressor residual neat recovering system of paint drying.
In figure: 1, air compressor; 2, electric three passes ratio adjusting valve; 3, oil water heat exchange device; 4, heat accumulation water pot; 5, main road air channel; 6, branch road air channel flow-stopping plate; 7, burning machine; 8, blower fan; 9, paint drying room; 10, branch road air channel; 11, main road air channel flow-stopping plate; 12, fresh wind port; 13, air-water heat exchanger; 14, circulating water pump; 15, electric auxiliary heating device; 16, modulating valve.
Embodiment
Below in conjunction with drawings and Examples the utility model done and describe in detail further.
Embodiment 1:
As Fig. 1, this is used for the air compressor residual neat recovering system of paint drying, and comprise air compressor 1, this air compressor 1 can be screw air compressor.The oil line pipe of air compressor 1 and the oily side of oil water heat exchange device 3 are connected in series, composition heat-obtaining loop.Oil water heat exchange device 3 can be fixed tube-sheet exchanger, plate type heat exchanger.The water side of the water side of oil water heat exchange device 3 and heat accumulation water pot 4, circulating water pump 14 and air-water heat exchanger 13, is connected in a series arrangement by waterway pipe, composition heat accumulation and heat transfer loop.Wherein, heat accumulation water pot 4 is double-layer foamed HEATING BOX, and internal layer skin is stainless steel, central filler polyurethane foam material, and heat accumulation water pot 4 is provided with water-adding pipe, intake pipe, outlet pipe, liquid level tube, drain pipe, spill pipe and temperature-sensing sleeve.Air-water heat exchanger 13 can adopt finned heat exchanger.The gas side of air-water heat exchanger 13 and burning machine 7, blower fan 8 and paint drying room 9, connected in the mode of series connection by main road air channel 5, composition air heating and transmission loop.Burning machine 7 is gas burner system.The heat that above-mentioned heat-obtaining loop utilizes oil water heat exchange device 3 to absorb air compressor 1 high temperature grease to discharge; Heat accumulation and heat transfer loop utilize the storage and the remote transmission that ensure heat compared with the water of high specific heat capacity, heat accumulation water pot 4 is for ensureing the temperature stabilization of water heating system, when air-water heat exchanger 13 is greater than the heat of oil water heat exchange device 3 generation at short notice with the heat that hot side needs, heat accumulation water pot 4 can alleviate the speed that temperature reduces; Air heating and transmit loop by air is out heated by air-water heat exchanger 13 from paint drying room 9, meets paint drying room temperature requirement; When waste heat amount can not meet drying requirement, start burning machine 7 by air heating to temperature required.
The utility model arranges the branch road air channel 10 in parallel with air-water heat exchanger 13 between the route and loop in main road air channel 5, and branch road air channel flow-stopping plate 6 and main road air channel flow-stopping plate 11 are set, by switching flow-stopping plate, form loop, main road air channel and two kinds, loop, branch road air channel mode of operation.During the first main road air channel loop works pattern, branch road air channel flow-stopping plate 6 closes, main road air channel flow-stopping plate 11 is opened, from paint drying room 9 out by the air of lowering the temperature by main road air channel 5 exhaust air flue, main road air channel flow-stopping plate 11, air-water heat exchanger 13, burning machine 7, blower fan 8 and main road air channel 5 return airway, get back to paint drying room 9, circulation like this, form circulating of air, constantly by by the air heating of lowering the temperature to required temperature, working principle is now heated from baking room air out by air-water heat exchanger.During the loop works pattern of the second branch road air channel, branch road air channel flow-stopping plate 6 is opened, main road air channel flow-stopping plate 11 closes, from paint drying room 9 out by the air of lowering the temperature by main road air channel 5 exhaust air flue, branch road air channel 10, branch road air channel flow-stopping plate 6, burning machine 7, blower fan 8 and main road air channel 5 return airway, get back to paint drying room 9, circulation like this, form circulating of air, constantly by by the air heating of lowering the temperature to required temperature, working principle is now adopt the air in burning machine heating air duct.Because air channel forms closed cycle, when normally working, burning machine only need be incubated to compensate its thermal loss to paint drying room, does not need frequent starting.
The utility model arranges fresh wind port 12 in air heating and transmission loop, fresh wind port 12 is located between main wind passage flow-stopping plate 11 and air-water heat exchanger 13, makes the new wind entered from fresh wind port 12 carry out heat exchange and can not reflux directly entering paint drying room 9 through air-water heat exchanger 13.
The utility model arranges electric three passes ratio adjusting valve 2 at the filler opening end of oil water heat exchange device, connects flowline, the inflow pipeline of oil water heat exchange device 3, the oil returning tube of air compressor 1 of air compressor 1 respectively.Entered the oil mass of oil water heat exchange device 3 by the electric three passes proportion adjustment valve regulation arranged, when oil temperature is higher than setting temperature, increase the aperture of leading to oil water heat exchange device 3, to increase the oil mass entering oil water heat exchange device 3; When oil temperature is lower than setting temperature, reduce the aperture of leading to oil water heat exchange device 3, to reduce the oil mass of oil-feed water-to-water heat exchanger 3, thus realize the object automatically regulating the oil mass entering oil water heat exchange device 3 according to oil temperature, the oil temperature of air compressor is stabilized in a rational scope, make system while the stable operation of guarantee air compressor, recovery waste heat to greatest extent, and the working efficiency therefore improving air compressor.
In embodiment 1, in paint drying room 9, there is workpiece conveyor, enter baking room by conveyor belt workpieces and dry, have heat at workpiece inlet/outlet and spill.
Embodiment 2:
As shown in Figure 2, the air compressor residual neat recovering system for paint drying of the present embodiment 2, be with the distinguishing place of embodiment 1: one is that the water outlet end being positioned at circulating water pump 14 in heat accumulation and heat transfer loop arranges electric auxiliary heating device 15, water temperature for heat accumulation water pot 4 heats water heating system lower than during setting value, and its electric auxiliary heating device 15 can adopt electric heater for pipeline; Two is in heat accumulation and heat transfer loop, water outlet and the backwater mouth place of oil water heat exchange device 3 have been installed in parallel modulating valve 16, form the branch road connecting water outlet and backwater, by regulating the aperture of modulating valve 16, can the heat yield of regulating system further as required; In addition, in the present embodiment 2, paint drying room 9 is box for band door, and after workpiece to be dried is put into, stove one stove of can shutting the door is dried.
Claims (6)
1. the air compressor residual neat recovering system for paint drying, comprise air compressor (1), oil water heat exchange device (3), heat accumulation water pot (4), it is characterized in that: the oily side of described oil water heat exchange device (3) and the oil line pipe of described air compressor (1) are connected in series, composition heat-obtaining loop; The water side of described oil water heat exchange device (3) by water pipeline connects the water side of described heat accumulation water pot (4), circulating water pump (14) and air-water heat exchanger (13) in a series arrangement successively, composition heat accumulation and heat transfer loop; The gas side of described air-water heat exchanger (13) connects burning machine (7), blower fan (8) and paint drying room (9) by main road air channel (5) successively in the mode of connecting, composition air heating and transmit loop.
2. the air compressor residual neat recovering system for paint drying according to claim 1, it is characterized in that: in described air heating and transmission loop, be provided with the branch road air channel (10) in parallel with described air-water heat exchanger (13), branch road air channel flow-stopping plate (6) and main road air channel flow-stopping plate (11), by switching flow-stopping plate, form two kinds of gas flow loop.
3. the air compressor residual neat recovering system for paint drying according to claim 1, it is characterized in that: in described air heating and transmission loop, be provided with fresh wind port (12), this fresh wind port (12) is located between described main road air channel flow-stopping plate (11) and air-water heat exchanger (13).
4. the air compressor residual neat recovering system for paint drying according to claim 1, it is characterized in that: in described heat accumulation and heat transfer loop, be provided with electric auxiliary heating device (15), this electric auxiliary heating device (15) is assemblied in the water outlet end of described circulating water pump (14).
5. the air compressor residual neat recovering system for paint drying according to claim 1, it is characterized in that: be provided with electric three passes ratio adjusting valve (2) at the filler opening end of described oil water heat exchange device (3), this electric three passes ratio adjusting valve (2) connects the oil returning tube of the flowline of described air compressor (1), the inflow pipeline of described oil water heat exchange device (3) and described air compressor (1) respectively.
6. the air compressor residual neat recovering system for paint drying according to claim 1, is characterized in that: be installed in parallel modulating valve (16) in the water side of described oil water heat exchange device (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520787311.7U CN205101196U (en) | 2015-10-12 | 2015-10-12 | A air compressor waste heat recovery system for paint drying |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520787311.7U CN205101196U (en) | 2015-10-12 | 2015-10-12 | A air compressor waste heat recovery system for paint drying |
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| CN205101196U true CN205101196U (en) | 2016-03-23 |
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| CN201520787311.7U Active CN205101196U (en) | 2015-10-12 | 2015-10-12 | A air compressor waste heat recovery system for paint drying |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201782A (en) * | 2015-10-12 | 2015-12-30 | 中铁山桥集团有限公司 | Energy-saving system for applying air compressor waste heat to paint drying |
| CN106890738A (en) * | 2017-04-07 | 2017-06-27 | 东方国际集装箱（连云港）有限公司 | The method that residual heat of air compressor is used for the pitch-dark heating of pitch |
| CN107192252A (en) * | 2017-05-17 | 2017-09-22 | 中车哈尔滨车辆有限公司 | Reversible type grain heat-drying machine heat exchanger |
| CN110245323A (en) * | 2019-05-15 | 2019-09-17 | 上海电科电机科技有限公司 | The calculation method of air compressor system operational efficiency |
-
2015
- 2015-10-12 CN CN201520787311.7U patent/CN205101196U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201782A (en) * | 2015-10-12 | 2015-12-30 | 中铁山桥集团有限公司 | Energy-saving system for applying air compressor waste heat to paint drying |
| CN106890738A (en) * | 2017-04-07 | 2017-06-27 | 东方国际集装箱（连云港）有限公司 | The method that residual heat of air compressor is used for the pitch-dark heating of pitch |
| CN106890738B (en) * | 2017-04-07 | 2019-03-19 | 东方国际集装箱（连云港）有限公司 | The method that residual heat of air compressor is used for the pitch-dark heating of pitch |
| CN107192252A (en) * | 2017-05-17 | 2017-09-22 | 中车哈尔滨车辆有限公司 | Reversible type grain heat-drying machine heat exchanger |
| CN110245323A (en) * | 2019-05-15 | 2019-09-17 | 上海电科电机科技有限公司 | The calculation method of air compressor system operational efficiency |
| CN110245323B (en) * | 2019-05-15 | 2023-02-03 | 上海电科电机科技有限公司 | Calculation method for operating efficiency of air compressor system |
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