CN205064279U - Air compressor secondary heat -exchanging device with function of waste heat recovery - Google Patents
Air compressor secondary heat -exchanging device with function of waste heat recovery Download PDFInfo
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- CN205064279U CN205064279U CN201520628419.1U CN201520628419U CN205064279U CN 205064279 U CN205064279 U CN 205064279U CN 201520628419 U CN201520628419 U CN 201520628419U CN 205064279 U CN205064279 U CN 205064279U
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- water pump
- side water
- air compressor
- heat exchanger
- user interface
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Abstract
The utility model provides an air compressor secondary heat -exchanging device with function of waste heat recovery, including once incline water pump and plate heat exchanger, the water pump that once inclines is equipped with two rows, and is together parallelly connected, the water pump left end that once inclines has connected gradually relief valve, water flow switch, electric T -shaped valve, Y type filter, temperature sensor, the water pump right -hand member that once inclines has connected gradually pressure sensor, level pressure jar, temperature sensor, the temperature sensor of water pump left end and right -hand member of once inclining connects in same plate heat exchanger, plate heat exchanger branch two lines connect out, and one of them strip has connected gradually thermometer, air relief valve, user interface, and another circuit has connected gradually thermometer, enclosed type filter, linked switch, secondary side water pump, user interface, the utility model discloses not only can realize oil temperature automatic control, guarantee the normal operating of air compressor machine, simultaneously, prevent the terminal water of profit composite pollution, improve water quality and reliability.
Description
Technical field
The utility model relates to air compressor technical field, and particularly a kind of residual heat of air compressor reclaims two times heat changing device.
Background technique
Pressurized air is most widely used dynamic origin in industrial field, and in most production enterprise, compressed-air actuated energy consumption accounts for 10% ~ 35% of whole energy consumption.Add up according to u.s. department of energy, in the electric energy consumed during compressor operating, real only account for 15% of total power consumption for increasing air potential energy, and the electric energy of all the other major parts (about 85%) is all converted into heat, and be discharged in air by mode that is air-cooled or water-cooled, wherein have 60% can be utilized, amount to 50% of the air horsepower of compressor, heat recovery has a high potential.
The principal element affecting residual heat of air compressor recovery has: screw air compressor delivery temperature, oil spout temperature and fuel injection quantity etc.The delivery temperature of fuel injection helical lobe compressor, is determined the impact of oil by high temperature usually.Air compressor rated discharge temperature extremes generally sets about 100 DEG C, and lower limit is not less than 70 DEG C [3-4].So, when carrying out heat recovery transformation to air compressor, need the comprehensive impact analyzed heat recovery and compressor operation is produced, conservative control returning-oil temperature, ensure that returning-oil temperature can not be too low.
At present, what most air compressor retrofit case adopted is water-cooled heat exchange heat recovery mode, and its shortcoming is that heat transfer temperature difference is large, make the easy fouling of plate type heat exchanger, and necessary Assembling, floor space is large, automatically do not control, two times heat changing device application is less, and mostly is Assembling.
Model utility content
The technical problems to be solved in the utility model overcomes existing defect, a kind of residual heat of air compressor is provided to reclaim two times heat changing device, realize oil temperature automatically to control, ensure the normal operation of air compressor, the risk reducing plate type heat exchanger fouling ensures heat transfer effect, effectively can solve the problem in background technique.
In order to solve the problems of the technologies described above, the utility model provides following technological scheme:
The utility model provides a kind of residual heat of air compressor to reclaim two times heat changing device, comprise first side water pump and plate type heat exchanger, described first side water pump is provided with two rows, be connected in parallel, described first side water pump left end is connected with safety valve in turn, water switch, electric T-shaped valve, y-type filter, temperature transducer, described first side water pump right-hand member is connected with pressure transducer in turn, Constant pressure tank, temperature transducer, the temperature transducer of described first side water pump left end and right-hand member is connected in same plate type heat exchanger, described plate type heat exchanger point two lines pick out, wherein one is connected with thermometer in turn, automatic control pressure vent, user interface, another circuit is connected with thermometer in turn, enclosed type filter, connecting valve, second side water pump, user interface.
As a kind of optimal technical scheme of the present utility model, described second side water pump is also parallel with second side water pump.
As a kind of optimal technical scheme of the present utility model, described electric T-shaped valve is also connected with manual exhaust valve, and manual exhaust valve is connected with user interface, and described water switch is also connected with user interface.
The beneficial effect that compared with prior art the utility model reaches is: the utility model meter is integrated with corresponding heat recovery two times heat changing device, not only can realize oil temperature automatically to control, ensure the normal operation of air compressor, the risk reducing plate type heat exchanger fouling ensures heat transfer effect, simultaneously, prevent oil mixing with water from polluting end water, improve by quality and reliability.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, does not form restriction of the present utility model with embodiment one of the present utility model.
In the accompanying drawings:
Fig. 1 is the utility model overall structure schematic diagram;
Number in the figure: 1, first side water pump; 2, safety valve; 3, water switch; 4, electric T-shaped valve; 5, manual exhaust valve; 6, y-type filter; 7, temperature transducer; 8, Constant pressure tank; 9, pressure transducer; 10, plate type heat exchanger; 11, second side water pump; 12, connecting valve; 13, enclosed type filter; 14, thermometer; 15, automatic control pressure vent; 16-user interface.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
Embodiment: as shown in Figure 1, the utility model provides a kind of residual heat of air compressor to reclaim two times heat changing device, comprise first side water pump 1 and plate type heat exchanger 10, described first side water pump 1 is provided with two rows, be connected in parallel, described first side water pump 1 left end is connected with safety valve 2 in turn, water switch 3, electric T-shaped valve 4, y-type filter 6, temperature transducer 7, described first side water pump 1 right-hand member is connected with pressure transducer 9 in turn, Constant pressure tank 8, temperature transducer 7, the temperature transducer 7 of described first side water pump 1 left end and right-hand member is connected in same plate type heat exchanger 10, described plate type heat exchanger 10 points of two lines pick out, wherein one is connected with thermometer 14 in turn, automatic control pressure vent 15, user interface 16, another circuit is connected with thermometer 14 in turn, enclosed type filter 13, connecting valve 12, second side water pump 11, user interface 16.
Further, described second side water pump 11 is also parallel with second side water pump 11.
Further, described electric T-shaped valve 4 is also connected with manual exhaust valve 5, and manual exhaust valve 5 is connected with user interface 16, and described water switch 3 is also connected with user interface 16.
The utility model residual heat of air compressor reclaims secondary heat exchange system two water circulations, and first side water circulation system, primarily of compositions such as first side circulating water pump, first side water-water heat exchanger and electric three-way regulating valves, plays the effect that heat transmits; By circulation by air compressor oil circuit thermal energy transfer to second side water route, be then delivered to water tank for user via second side water pump.Second side water circulation system is primarily of compositions such as second side circulating water pump, second side water-water heat exchanger, user's heat storage tanks.
The total air horsepower of the utility model air compressor is 160kW, residual heat of air compressor yield can reclaim according to 50% air horsepower, then recyclable power is about 80kW, first side water inlet and outlet design temperature is 70 DEG C/50 DEG C, second side water inlet and outlet design temperature is 45 DEG C/60 DEG C, be 3.5t/h by calculating first side water flow, second side water flow is 4.65t/h.
Electric T-shaped valve is equipped with in loop to first side, when temperature transducer detects that (compressor oil temperature control scope can manually be arranged air compressor oil temperature on the control panel, also system default value can be adopted) when exceeding setting value, internal PID automatic controller regulates electric T-shaped valve to reduce bypass water flow increase heat recovery amount reduction oil temperature, when temperature transducer detects air compressor oil temperature lower than setting value, internal PID automatic controller regulates electric T-shaped valve to increase bypass water flow minimizing heat recovery amount and maintains oil temperature in suitable scope.
The utility model meter is integrated with corresponding heat recovery two times heat changing device, not only can realize oil temperature automatically to control, ensure the normal operation of air compressor, the risk reducing plate type heat exchanger fouling ensures heat transfer effect, simultaneously, prevent oil mixing with water from polluting end water, improve by quality and reliability.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although be described in detail the utility model with reference to previous embodiment, for a person skilled in the art, it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a residual heat of air compressor reclaims two times heat changing device, it is characterized in that, comprise first side water pump (1) and plate type heat exchanger (10), described first side water pump (1) is provided with two rows, be connected in parallel, described first side water pump (1) left end is connected with safety valve (2) in turn, water switch (3), electric T-shaped valve (4), y-type filter (6), temperature transducer (7), described first side water pump (1) right-hand member is connected with pressure transducer (9) in turn, Constant pressure tank (8), temperature transducer (7), the temperature transducer (7) of described first side water pump (1) left end and right-hand member is connected in same plate type heat exchanger (10), described plate type heat exchanger (10) point two lines pick out, wherein one is connected with thermometer (14) in turn, automatic control pressure vent (15), user interface (16), another circuit is connected with thermometer (14) in turn, enclosed type filter (13), connecting valve (12), second side water pump (11), user interface (16).
2. a kind of residual heat of air compressor according to claim 1 reclaims two times heat changing device, and it is characterized in that, described second side water pump (11) is also parallel with second side water pump (11).
3. a kind of residual heat of air compressor according to claim 1 reclaims two times heat changing device, it is characterized in that, described electric T-shaped valve (4) is also connected with manual exhaust valve (5), manual exhaust valve (5) is connected with user interface (16), and described water switch (3) is also connected with user interface (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520628419.1U CN205064279U (en) | 2015-08-20 | 2015-08-20 | Air compressor secondary heat -exchanging device with function of waste heat recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520628419.1U CN205064279U (en) | 2015-08-20 | 2015-08-20 | Air compressor secondary heat -exchanging device with function of waste heat recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205064279U true CN205064279U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520628419.1U Expired - Fee Related CN205064279U (en) | 2015-08-20 | 2015-08-20 | Air compressor secondary heat -exchanging device with function of waste heat recovery |
Country Status (1)
| Country | Link |
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| CN (1) | CN205064279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594499A (en) * | 2017-01-09 | 2017-04-26 | 天津海钢板材有限公司 | Heating method for cold-rolling process lubricant |
-
2015
- 2015-08-20 CN CN201520628419.1U patent/CN205064279U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594499A (en) * | 2017-01-09 | 2017-04-26 | 天津海钢板材有限公司 | Heating method for cold-rolling process lubricant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20160820 |