CN203641015U - Screw compressor waste heat recovery system with temperature control device - Google Patents
Screw compressor waste heat recovery system with temperature control device Download PDFInfo
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- CN203641015U CN203641015U CN201320726926.XU CN201320726926U CN203641015U CN 203641015 U CN203641015 U CN 203641015U CN 201320726926 U CN201320726926 U CN 201320726926U CN 203641015 U CN203641015 U CN 203641015U
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- air compressor
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- temperature control
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Abstract
The utility model provides a screw compressor waste heat recovery system with a temperature control device. The screw compressor waste heat recovery system with the temperature control device comprises a heat exchanger, a water conveying system and an oil conveying system which are respectively connected to the two sides of the heat exchanger, wherein the oil conveying system comprises an oil supply pipeline and an oil discharging pipe which are connected to the heat exchanger; the waste heat recovery system also comprises a temperature control device; the temperature control device comprises a temperature sensor and a three-way adjustment valve arranged on the oil discharging pipeline, and a control center which is connected with the temperature sensor and the three-way adjustment valve; and the oil supply pipeline is provided with a branch pipeline which is connected to the three-way adjustment valve. Compared with the prior art, the temperature of the circulating cooling lubricating oil which flows from the heat exchanger to the air compressor can be monitored and adjusted in real time by utilizing the temperature control device, so that the lubricating oil enters the air compressor at a proper/predetermined temperature, and the safe and stable operation of the air compressor is guaranteed.
Description
Technical field
The utility model relates to residual heat of air compressor recovery technology, relates in particular to a kind of screw air compressor residual neat recovering system with temperature control apparatus.
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.
Therefore, in reality, when compressor operation, often need to arrange the waste heat that residual neat recovering system comes to produce in Absorption and running, but, in reclaiming exhaust end base of oil injection threaded bolt residual heat of air compressor, the temperature that must guarantee the circulation cooling lubrication oil after heat exchange must not be lower than the setting value requiring, otherwise, in the time that circulation cooling lubrication oil is recycled into air compressor end, easily form " dewfall " phenomenon at handpiece of air compressor place, produce water of condensation, and produce water of condensation can contact with circulation cooling lubrication oil and through screw rod stir after, can form cotton-shaped emulsion and be bonded on screw rod, and carbonization coking damage screw rod, cause the impact of air compressor significant trouble to be produced.Visible, in the time of recovery waste heat, the temperature control of circulation cooling lubrication oil is seemed to very important, control and lack technological means effectively in prior art.
Therefore, necessaryly provide a kind of new screw air compressor residual neat recovering system with temperature control apparatus to solve above-mentioned technical problem.
Model utility content
The technical problem that the utility model solves is to provide a kind of screw air compressor residual neat recovering system with temperature control apparatus, it is in reclaiming exhaust end base of oil injection threaded bolt residual heat of air compressor resource, can set flexibly the temperature of circulation cooling lubrication oil, and guarantee that the temperature of lubricant oil that circulation enters air compressor meets the demands.
For solving the problems of the technologies described above, the utility model adopts following technological scheme: a kind of screw air compressor residual neat recovering system with temperature control apparatus, comprises heat exchanger and be connected to respectively water-carriage system and the fuel transfer system of described heat exchanger both sides; Described fuel transfer system comprises the oil feed line and the oil extraction pipeline that are connected to described heat exchanger; Described residual neat recovering system also comprises temperature control apparatus, and this temperature control apparatus comprises the temperature transducer that is installed on oil extraction pipeline and three-way control valve and is connected the control centre of described temperature transducer and three-way control valve; Described oil feed line is provided with a branch line that is connected to described three-way control valve.
Further, described three-way control valve is electric three-way ratio adjusting valve, and comprises a valve body and be arranged on the actuator on valve body; Described control centre connects and controls described actuator.
Further, described three-way control valve is interflow formula, and its valve body has two inlet openings and a delivery outlet; Described branch line is connected to one of them inlet opening of described three-way control valve.
Further, described temperature transducer is installed in described oil extraction pipeline and is positioned at the downstream side of described three-way control valve delivery outlet.
Further, described control centre comprise control cabinet, be positioned at control cabinet and receive the PLC controller of described temperature transducer data, the control module being connected with PLC controller and the display screen that is installed on control cabinet surface.
Further, the both sides of described heat exchanger are respectively oil transportation side and water delivery side, and described oil transportation side is provided with the filler opening being connected with oil feed line and the oil outlet being connected with oil extraction pipeline, and described water delivery side is provided with water intake and water outlet.
Compared with prior art, the utility model screw air compressor residual neat recovering system utilizes temperature control apparatus, in effectively carrying out heat recovery, can also monitor in real time and adjust the temperature that is back to the circulation cooling lubrication oil in air compressor from heat exchanger, lubricant oil is entered in air compressor with suitable/default temperature, ensured that air compressor safely and steadily runs.
Accompanying drawing explanation
Fig. 1 is the Organization Chart that the utlity model has the screw air compressor residual neat recovering system of temperature control apparatus.
Embodiment
Refer to shown in Fig. 1, the utility model is about screw air compressor heat recovery technology, it is especially applied in exhaust end base of oil injection threaded bolt air compressor system, specifically, the utility model provides a kind of screw air compressor residual neat recovering system 100 with temperature control apparatus, and this residual neat recovering system 100 comprises heat exchanger 10, the water-carriage system 20 that is connected to respectively described heat exchanger 10 both sides and fuel transfer system 30 and temperature control apparatus 40.Described residual neat recovering system 100 is connected with pneumatics pusher side by fuel transfer system 30, the waste heat producing for reclaiming exhaust end base of oil injection threaded bolt compressor operation, and the supply for hot water by waste heat, simultaneously, can effectively control the temperature of the circulation cooling lubrication oil being back in air compressor, ensure air compressor safety, stable operation, below there is the chief component of the screw air compressor residual neat recovering system 100 of temperature control apparatus described in introducing in detail.
The both sides of described heat exchanger 10 are respectively oil transportation side and water delivery side, and described oil transportation side is provided with a filler opening 11 and oil outlet 12, and described water delivery side is provided with a water intake 13 and water outlet 14.Described filler opening 11 and oil outlet 12 are connected to described fuel transfer system 30, for introducing (going out) circulation cooling lubrication oil to described heat exchanger 10 interior (outward).In the utility model preferred forms, described heat exchanger 10 is oil-water plate type heat exchanger, for oil, two kinds of temperature difference liquid of water are carried out to sufficient heat exchange.
Described water-carriage system 20 is connected to the water delivery side of described heat exchanger 10, carries out water delivery and controls the output of heat exchanger 10 interior water for heat exchanger 10.Specifically, described water-carriage system 20 comprises supply channel 21, discharge pipe line 22 and valve 23.Described supply channel 21 is connected to the water intake 13 of described heat exchanger 10 water delivery sides, for low temperature water is introduced in heat exchanger 10 and in heat exchanger 10 and is carried out heat exchange with circulation cooling lubrication oil, described discharge pipe line 22 is connected to the water outlet 14 of described heat exchanger 10 water delivery sides, for aforementioned water after heat exchange is discharged to heat exchanger 10.
Described fuel transfer system 30 is connected to the oil transportation side of described heat exchanger 10, for the circulation cooling lubrication oil from air compressor being introduced in described heat exchanger 10 and discharge heat exchanger 10 after heat exchange.Described fuel transfer system 30 comprises oil feed line 31 and oil extraction pipeline 32.Described oil feed line 31 accesses the filler opening 11 of described heat exchanger 10, for the circulation cooling lubrication oil of high temperature is introduced in heat exchanger 10; Described oil extraction pipeline 32 is connected to the oil outlet 12 of described heat exchanger 10, for the circulation cooling lubrication oil through the cooled low temperature of heat exchanger 10 heat exchange is discharged to heat exchanger 10.
Described temperature control apparatus 40 comprises the temperature transducer 41 that is installed on oil extraction pipeline 32 and three-way control valve 42 and is connected the control centre 43 of described temperature transducer 41 and three-way control valve 42.Described three-way control valve 42 is electric three-way ratio adjusting valve and comprises a valve body 421 and be arranged on the actuator 422 on valve body 421, this three-way control valve 42 is interflow formula, its valve body 421 has two inlet opening A and a delivery outlet B, and unlatching ratio that can its input/output port of motorized adjustment, described oil extraction pipeline 32 connects one of them inlet opening A and described delivery outlet B, and described oil feed line 31 is provided with a branch line 311, this branch line 311 is connected to another inlet opening A of described three-way control valve 42, thus, make the high temperature circulation cutting oil in oil feed line 31 be divided into two-way, one tunnel is to be flowed directly to three-way control valve 42 places and this is high temperature circulation cutting oil through heat exchanger 10(through described branch line 311), the high temperature circulation cutting oil on another road enters interior the discharge after heat exchange of heat exchanger 10 and forms low-temperature circulating cutting oil, and also flow to described three-way control valve 42 places through oil extraction pipeline 32, so, make cold, two strands of circulation cooling lubrication oil of heat come together in described three-way control valve 42 places.Described temperature transducer 41 is installed in described oil extraction pipeline 32 and is positioned at the downstream side of described three-way control valve 42 delivery outlets (being delivery outlet B side), the temperature of the circulation cooling lubrication oil of exporting for detection of the delivery outlet B by three-way control valve 42, and oil temperature data are sent to described control centre 43.
The free adjusting control according to actual needs of described control centre 43 flows into the flow unlatching ratio of the interior input/output port of three-way control valve 42 (control described actuator 422 regulate) of hot and cold two strands of lubricant oil of described three-way control valve 42, control and discharge the rear temperature that also finally flows to the lubricant oil in air compressor of three-way control valve 42 with this, ensured the fuel feeding of the temperature stabilization to air compressor, and the temperature data that described control centre 43 can transmit by described temperature transducer 41 carrys out the temperature of real-time monitoring flow to the circulation cooling lubrication oil of air compressor, in the utility model preferred forms, described control centre 43 is PLC control gear, it comprises control cabinet 431, be positioned at control cabinet and receive the PLC controller 432 of described temperature transducer data, connect the control module 433 of PLC controller, and the display screen 434(that is installed on control cabinet surface for example: touch screen), when operation, respond to oil temperature by described temperature transducer 41, and send the result of induction to PLC controller 432, described PLC controller 432 analysis results, and compare setup parameter, by control module 433, regulation and control order is sent to the actuator 422 of electric three-way ratio adjusting valve, regulate the flow of electric three-way ratio adjusting valve 42 high temperature imports and low temperature import, the temperature that makes to collaborate rear oil is consistent with setting value.
In sum, the screw air compressor residual neat recovering system 100 that the utlity model has temperature control apparatus is simple in structure, compact, floor space is little, and heat recovery efficiency is high, and it is simple to operate, parameter arranges conveniently, can carry out parameter setting by control centre 43, and can monitor in real time the temperature data of oil return, and be applicable to the different requirements of various different brands different model exhaust end base of oil injection threaded bolt air compressors to returning-oil temperature, can effectively improve the thermal safety of using of system.
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 (6)
1. there is a screw air compressor residual neat recovering system for temperature control apparatus, comprise heat exchanger and be connected to respectively water-carriage system and the fuel transfer system of described heat exchanger both sides; Described fuel transfer system comprises the oil feed line and the oil extraction pipeline that are connected to described heat exchanger; It is characterized in that: described residual neat recovering system also comprises temperature control apparatus, this temperature control apparatus comprises the temperature transducer that is installed on oil extraction pipeline and three-way control valve and is connected the control centre of described temperature transducer and three-way control valve; Described oil feed line is provided with a branch line that is connected to described three-way control valve.
2. the screw air compressor residual neat recovering system with temperature control apparatus according to claim 1, is characterized in that: described three-way control valve is electric three-way ratio adjusting valve, and comprises a valve body and be arranged on the actuator on valve body; Described control centre connects and controls described actuator.
3. the screw air compressor residual neat recovering system with temperature control apparatus according to claim 2, is characterized in that: described three-way control valve is interflow formula, its valve body has two inlet openings and a delivery outlet; Described branch line is connected to one of them inlet opening of described three-way control valve.
4. the screw air compressor residual neat recovering system with temperature control apparatus according to claim 3, is characterized in that: described temperature transducer is installed in described oil extraction pipeline and is positioned at the downstream side of described three-way control valve delivery outlet.
5. the screw air compressor residual neat recovering system with temperature control apparatus according to claim 4, is characterized in that: described control centre comprises control cabinet, is positioned at control cabinet and receives the PLC controller of described temperature transducer data, the control module being connected with PLC controller and the display screen that is installed on control cabinet surface.
6. the screw air compressor residual neat recovering system with temperature control apparatus according to claim 5, it is characterized in that: the both sides of described heat exchanger are respectively oil transportation side and water delivery side, described oil transportation side is provided with the filler opening being connected with oil feed line and the oil outlet being connected with oil extraction pipeline, and described water delivery side is provided with water intake and water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320726926.XU CN203641015U (en) | 2013-11-18 | 2013-11-18 | Screw compressor waste heat recovery system with temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320726926.XU CN203641015U (en) | 2013-11-18 | 2013-11-18 | Screw compressor waste heat recovery system with temperature control device |
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| Publication Number | Publication Date |
|---|---|
| CN203641015U true CN203641015U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320726926.XU Expired - Fee Related CN203641015U (en) | 2013-11-18 | 2013-11-18 | Screw compressor waste heat recovery system with temperature control device |
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| CN (1) | CN203641015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373355A (en) * | 2014-11-14 | 2015-02-25 | 珠海格力电器股份有限公司 | Compressor oil temperature control device and method |
-
2013
- 2013-11-18 CN CN201320726926.XU patent/CN203641015U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373355A (en) * | 2014-11-14 | 2015-02-25 | 珠海格力电器股份有限公司 | Compressor oil temperature control device and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20151118 |
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| EXPY | Termination of patent right or utility model |