CN203685583U - Waste heat recovery system of water-cooling oil-injecting screw air compressor - Google Patents
Waste heat recovery system of water-cooling oil-injecting screw air compressor Download PDFInfo
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- CN203685583U CN203685583U CN201420052725.0U CN201420052725U CN203685583U CN 203685583 U CN203685583 U CN 203685583U CN 201420052725 U CN201420052725 U CN 201420052725U CN 203685583 U CN203685583 U CN 203685583U
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- Prior art keywords
- oil
- water
- air compressor
- pipe
- heat exchanger
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- Expired - Lifetime
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- 238000011084 recovery Methods 0.000 title claims abstract description 13
- 239000002918 waste heat Substances 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 title abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000000498 cooling water Substances 0.000 claims abstract description 18
- 239000000945 filler Substances 0.000 claims description 6
- 239000003921 oil Substances 0.000 abstract description 85
- 238000005516 engineering process Methods 0.000 abstract description 7
- 239000010687 lubricating oil Substances 0.000 abstract description 2
- 239000000314 lubricant Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000010730 cutting oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- -1 simultaneously Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model provides a waste heat recovery system of a water-cooling oil-injecting screw air compressor. The system comprises a heat exchanger, an oil temperature control system and a constant temperature water supply system connected with the heat exchanger, an oil cooler connected with the oil temperature control system and a cooling water control system connected with the oil cooler, wherein the oil temperature control system comprises an oil temperature sensor, a three-way adjusting valve and an oil temperature control device connected with the oil temperature sensor and the adjusting valve. Compared with the prior art, the system provided by the utility model can monitor temperature of lubricating oil and circulating water in real time through the sensor technology and strictly controls and adjusts to prevent the air compressor from being damaged due to overhigh oil temperature. Meanwhile, power consumption of a water pump is further reduced, efficiency and stability of equipment operation are guaranteed, and the purpose of saving energy is further realized.
Description
Technical field
The utility model relates to air compressor technology, relates in particular to a kind of water-cooled oil injected screw waste heat recovery system of air compressor.
Background technique
Exhaust end base of oil injection threaded bolt formula air compressor has become the main flow of world today air compressor development, and it can be widely used in the place that mining, machine-building, building, weaving, petrochemical industry and other need pressurized gas.Existing exhaust end base of oil injection threaded bolt air compressor system mainly comprises air compressor, deaerator and oil cooler, when operation, circulation cooling lubrication oil in air compressor enters in oil cooler after deaerator, carrying out cooling rear recirculation by oil cooler is back in air compressor, in the whole service process of exhaust end base of oil injection threaded bolt air compressor, about 90% input electric energy conversion is for heat energy, wherein exceeding 70% heat energy is recycled cutting oil and directly brings in oil cooler, by being dissipated with cooling medium heat exchange in oil cooler, in this process, a large amount of heat energy fails to be used effectively, cause and wasted, discontented podomere energy requirement.
Model utility content
The technical problem that the utility model solves is to provide a kind of water-cooled oil injected screw waste heat recovery system of air compressor, the heat that its energy high efficiente callback compressor operation produces, simultaneously, temperature when the strict controlled circulation lubricant oil of energy is back to air compressor, avoid handpiece of air compressor impaired, also the efficiency that has improved operation, has reached energy-conservation object.
For solving the problems of the technologies described above, the utility model adopts following technological scheme: a kind of water-cooled oil injected screw waste heat recovery system of air compressor, the oil temperature control system that comprise a heat exchanger, connects described heat exchanger and constant temperature water system, the cooling water control system that is connected the oil cooler of described oil temperature control system and is connected with this oil cooler; Described oil temperature control system comprises oil temperature sensor, three-way control valve, the oil-temperature control device being connected with described oil temperature sensor and modulating valve.
As the further improvement of the technical program, described heat exchanger is a heat exchanger, and its both sides are connected with respectively transport pipe and conduit pipe, and described heat exchanger is provided with filler opening and the oil outlet that is positioned at a side and water intake and the water outlet that is positioned at opposite side; On described transport pipe and conduit pipe, be equipped with valve; Described transport pipe comprises the oil inlet pipe that connects filler opening and the oil outlet tube that connects oil outlet, and described conduit pipe comprises the intake pipe that connects water intake and the outlet pipe that connects water outlet.
As the further improvement of the technical program, described three-way control valve is electric three-way ratio adjusting valve, and it has two input ports and an output port; In described two input ports, an input port accesses described oil outlet tube, and another input port is connected on described oil inlet pipe by pipeline.
As the further improvement of the technical program, described constant temperature water system comprises cooling-water temperature sensor, recycle pump and water temperature control device; Described cooling-water temperature sensor is installed on described outlet pipe, and described recycle pump is installed on described intake pipe; On pipeline between described recycle pump and heat exchanger water intake, also access a branch line, the other end of this branch line is connected on described outlet pipe.
Compared with prior art, the utility model can be to the temperature Real-Time Monitoring of lubricant oil and circulating water by sensor technology, and carry out strict control and adjust, avoided oil temperature too high and damage air compressor, simultaneously, also reduce the power consumption of water pump, ensured the efficient and stability of equipment operation, also reached energy-conservation object.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of water-cooled oil injected screw waste heat recovery system of air compressor described in the utility model.
Embodiment
Refer to shown in Fig. 1, the utility model provides a kind of water-cooled oil injected screw waste heat recovery system of air compressor 100, and it is connected with a water-cooled oil injected screw air compressor 200, and described water-cooled oil injected screw air compressor 200 is also connected with a gas-oil separating cylinder 300.The oil temperature control system 20 that described residual neat recovering system 100 comprises a heat exchanger 10, connect described heat exchanger 10 and constant temperature water system 30, the cooling water control system 50 that is connected the oil cooler 40 of described oil temperature control system 20 and is connected with this oil cooler 40.
Described heat exchanger 10 is a heat exchanger, and its both sides are connected with respectively transport pipe and conduit pipe, are equipped with valve 11 on described transport pipe and conduit pipe.Described heat exchanger is one oil-water plate type heat exchanger, and it is provided with filler opening 12 and the oil outlet 13 that is positioned at a side and water intake 14 and the water outlet 15 that is positioned at opposite side.Described transport pipe comprises the oil inlet pipe 18 that connects filler opening 12 and the oil outlet tube 19 that connects oil outlet 13, and described conduit pipe comprises the intake pipe 16 that connects water intake 14 and the outlet pipe 17 that connects water outlet 15.
Described oil temperature control system 20 comprises oil temperature sensor 21, three-way control valve 22, connect control described oil temperature sensor 21 and modulating valve 22 oil-temperature control device 23(for example: PLC control cabinet).Described modulating valve 22 is preferably electric three-way ratio adjusting valve, it is interflow formula structure, there is two input ports and an output port, in described two input ports, an input port accesses described oil outlet tube 19, another input port is connected on described oil inlet pipe 18 by pipeline, and described output port is connected to a described oil cooler 40 by pipeline.Owing to being the high temperature grease that comes from air compressor 200 in described oil inlet pipe 18, it in described oil outlet tube 19, is the cooled subzero oil of process heat exchanger heat exchange.The temperature data of oil temperature sensor 21 described in described oil-temperature control device 23 Real-time Obtainings, and regulate described modulating valve 22 according to this temperature data, pass through the open degree of the port that regulates described modulating valve 22, realize the temperature control to lubricant oil, make the temperature of lubricant oil reach setting value, thereby prevent from causing because of excess Temperature when lubricant oil is back to air compressor 200 the head coking of air compressor 200, avoided air compressor 200 impaired.
Described constant temperature water system 30 for example comprises cooling-water temperature sensor 31, recycle pump 32 and water temperature control device 33(: PLC control cabinet).Described cooling-water temperature sensor 31 is installed on described outlet pipe 17, for monitoring the temperature of the circulating water of discharging from heat exchanger.Described recycle pump 32 is installed on described intake pipe 16, for circulating water is delivered in heat exchanger.On pipeline between described recycle pump 32 and heat exchanger water intake 14, also access a branch line 34, the other end of this branch line 34 is connected on described outlet pipe 17.Described outlet pipe 17 interior conveyings be high-temperature water, described intake pipe 16 interior conveyings be low temperature water.Described water temperature control device 33 is connected with recycle pump 32 with described cooling-water temperature sensor 31, and can, according to the temperature data of cooling-water temperature sensor 31, carry out the working state of controlled circulation pump 32, makes supply water temperature reach setting value, ensures with stablizing heat-obtaining in hot junction.
One end of described oil cooler 40 is connected with the output port of the three-way control valve 22 in described oil temperature control system 20 by pipeline, for the lubricant oil from heat exchanger is introduced in oil cooler 40, and by pipeline, lubricant oil is back in air compressor 200 after supercooling.The other end of described oil cooler 40 accesses recirculated cooling water by pipeline, and described pipeline comprises water pipe 41 and waste pipe 42.
Described cooling water control system 50 comprises the circulating water pump 51 that is positioned on described oil cooler 40 water pipes 41, be for example positioned at cooling-water temperature sensor 52 on oil cooler 40 waste pipes 42 and cooling water control device 53(: PLC control cabinet).Described cooling water control device 53 is by the temperature of the circulating water in the real-time sensing waste pipe 42 of cooling-water temperature sensor 52, and carry out the work of circulating water pump 51 described in regulating and controlling according to this temperature data, thereby further adjust return water temperature and reach setting value, so can reduce circulating water pump 51 operation frequencies, reduce power consumption.
When operation, high temperature grease in described air compressor 200 arrives in gas-oil separating cylinder 300 by pipeline, after Oil-gas Separation is processed, enter and in heat exchanger, carry out heat exchange via oil inlet pipe 18, heat is passed to hot junction by circulating water, simultaneously, lubricant oil is discharged heat exchanger through oil outlet tube 19, and after oil temperature control system 20, enter in oil cooler 40, carry out heat exchange for the second time by this oil cooler 40, make lubricant oil be cooled to rational temperature, then be back in air compressor 200 from oil cooler 40 by pipeline, complete once circulation.Described oil temperature control system 20 utilizes sensor technology to carry out regulating valve, thereby oil temperature is strictly controlled, and makes the lubricating oil temperature that refluxes suitable, has avoided excess Temperature and damages the situation of air compressor 200 heads.Meanwhile, utilize described constant temperature water system 30, and combined sensor technology, the temperature of circulating water is strictly controlled, reduce the operation frequency of water pump, reach energy-conservation object.
In sum, the utility model system architecture is simple, compact, and floor space is little, and heat recovery efficiency is high, can reach 60%-70%, be applicable to various different brands respective model exhaust end base of oil injection threaded bolt air compressors 200, simultaneously, it is simple to operate, and can be to the temperature Real-Time Monitoring of lubricant oil and circulating water by sensor technology, and carry out strict control and adjust, the power consumption of water pump reduced, efficient and the stability that has ensured equipment operation, has also reached energy-conservation object.
The above; it is only most preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction; any those of ordinary skill in the art; do not departing from technical solutions of the utility model scope situation; utilize the method content of above-mentioned announcement to make many possible variations and modification to technical solutions of the utility model, all belong to the scope of claims protection.
Claims (4)
1. a water-cooled oil injected screw waste heat recovery system of air compressor, is characterized in that: the oil temperature control system that comprise a heat exchanger, connects described heat exchanger and constant temperature water system, the cooling water control system that is connected the oil cooler of described oil temperature control system and is connected with this oil cooler; Described oil temperature control system comprises oil temperature sensor, three-way control valve, the oil-temperature control device being connected with described oil temperature sensor and modulating valve.
2. water-cooled oil injected screw waste heat recovery system of air compressor according to claim 1, it is characterized in that: described heat exchanger is a heat exchanger, its both sides are connected with respectively transport pipe and conduit pipe, and described heat exchanger is provided with filler opening and the oil outlet that is positioned at a side and water intake and the water outlet that is positioned at opposite side; On described transport pipe and conduit pipe, be equipped with valve; Described transport pipe comprises the oil inlet pipe that connects filler opening and the oil outlet tube that connects oil outlet, and described conduit pipe comprises the intake pipe that connects water intake and the outlet pipe that connects water outlet.
3. water-cooled oil injected screw waste heat recovery system of air compressor according to claim 2, is characterized in that: described three-way control valve is electric three-way ratio adjusting valve, and it has two input ports and an output port; In described two input ports, an input port accesses described oil outlet tube, and another input port is connected on described oil inlet pipe by pipeline.
4. water-cooled oil injected screw waste heat recovery system of air compressor according to claim 3, is characterized in that: described constant temperature water system comprises cooling-water temperature sensor, recycle pump and water temperature control device; Described cooling-water temperature sensor is installed on described outlet pipe, and described recycle pump is installed on described intake pipe; On pipeline between described recycle pump and heat exchanger water intake, also access a branch line, the other end of this branch line is connected on described outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420052725.0U CN203685583U (en) | 2014-01-27 | 2014-01-27 | Waste heat recovery system of water-cooling oil-injecting screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420052725.0U CN203685583U (en) | 2014-01-27 | 2014-01-27 | Waste heat recovery system of water-cooling oil-injecting screw air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685583U true CN203685583U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420052725.0U Expired - Lifetime CN203685583U (en) | 2014-01-27 | 2014-01-27 | Waste heat recovery system of water-cooling oil-injecting screw air compressor |
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| Country | Link |
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| CN (1) | CN203685583U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801667A (en) * | 2017-02-14 | 2017-06-06 | 杭州联投能源科技有限公司 | Air compressor energy-saving device of air and its application method |
| CN110439784A (en) * | 2019-06-28 | 2019-11-12 | 梧州神冠蛋白肠衣有限公司 | A kind of afterheat recovery unit of air compressor |
-
2014
- 2014-01-27 CN CN201420052725.0U patent/CN203685583U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801667A (en) * | 2017-02-14 | 2017-06-06 | 杭州联投能源科技有限公司 | Air compressor energy-saving device of air and its application method |
| CN106801667B (en) * | 2017-02-14 | 2019-01-04 | 杭州联投能源科技有限公司 | Air compressor energy-saving device of air and its application method |
| CN110439784A (en) * | 2019-06-28 | 2019-11-12 | 梧州神冠蛋白肠衣有限公司 | A kind of afterheat recovery unit of air compressor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200433 Building 201, Building 11, 128 Xiangyin Road, Yangpu District, Shanghai Patentee after: SHANGHAI RICHEN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 200433 Building 201, Building 11, 128 Xiangyin Road, Yangpu District, Shanghai Patentee before: SHANGHAI RICHEN CO.,LTD. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |