CN203926025U - A kind of residual heat of air compressor reclaims two times heat changing device - Google Patents
A kind of residual heat of air compressor reclaims two times heat changing device Download PDFInfo
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- CN203926025U CN203926025U CN201420243891.9U CN201420243891U CN203926025U CN 203926025 U CN203926025 U CN 203926025U CN 201420243891 U CN201420243891 U CN 201420243891U CN 203926025 U CN203926025 U CN 203926025U
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- water
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- low temperature
- air compressor
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 115
- 230000001105 regulatory effect Effects 0.000 claims abstract description 21
- 238000004321 preservation Methods 0.000 claims abstract description 15
- 239000000446 fuel Substances 0.000 claims abstract description 5
- 230000001276 controlling effect Effects 0.000 abstract description 4
- 239000002918 waste heat Substances 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 41
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a kind of residual heat of air compressor and reclaim two times heat changing device, comprise by high temperature fuel supply line, connected air compressor and the oil water heat exchange recovering device of low temperature return tube, wherein, also comprise plate type heat exchanger and the heat preservation hot water tank being connected with low temperature outlet pipe by high temperature intake pipe; On the low temperature outlet pipe of described plate type heat exchanger first side, be provided with the first circulating water pump and electric three-way regulating valves, the low temperature feed-water end of one end of described electric three-way regulating valves and oil water heat exchange recovering device is connected, one end is connected with the waterexit end of the first circulating water pump in addition, and the bypass ends of described electric three-way regulating valves is connected with high temperature intake pipe by bypass tube.The residual heat of air compressor that the utility model provides reclaims two times heat changing device, can not only solve the situation that while controlling by water route electric two-way valve, water pump is made vexed pump, and can guarantee that heat exchange can normally move when the low LOADING RATES of air compressor, effectively solve waste heat waste problem.
Description
Technical field
The utility model relates to a kind of two times heat changing device, relates in particular to a kind of residual heat of air compressor and reclaims two times heat changing device.
Background technique
Air compressor is power equipment the most common in industrial and mining enterprise, can be divided into reciprocating, screw type and large centrifugal, wherein especially in the majority with exhaust end base of oil injection threaded bolt formula.In the process of air compressing, approximately 85% input electric energy conversion is that heat energy has emitted.In exhaust end base of oil injection threaded bolt air compressor, this part used heat mainly distributes by oil circuit cooling system.In the process of air compressing, oil temperature can reach 90 ℃ of left and right.All recognized at present the recuperability of this portion of energy both at home and abroad; more conventional way is that the oil/water heat exchanger of connecting on oil circuit carries out heat exchange; and on low temperature return line, install a temperature transducer additional; temperature transducer links with being installed at the electric three-way regulating valves on high temperature oil feed line or being installed at the electronic two-way modulating valve that profit plate changes on water side cold water inlet road; minimum returning-oil temperature is controlled; control returning-oil temperature unlikely too low and produce emulsification, air compressor body is played a protective role.
Above-mentioned two kinds of ways all can produce certain problem, while utilizing high temperature oil pipeline electric three-way regulating valves and temperature transducer interlock to control, when air compressor moves with low LOADING RATES, when oil temperature supplying is lower, once water route standard-sized sheet, returning-oil temperature can decline immediately, oil circuit electric three-way regulating valves bypath valve open degree is very large, even all open, oil return is all got back to air compressor by oil circuit electric T-shaped valve, and go heat exchange without oil water heat exchange energy recycle device, after air compressor oil temperature supplying slowly raises, the aperture that enters oil water heat exchange energy recycle device is just slowly opened, cause the heat containing in the lubricant oil of part higher than the minimum returning-oil temperature of air compressor to take away by the cooling system of air compressor itself, wasted energy.While utilizing returning-oil temperature sensor and the interlock of cold water water inlet electric two-way valve to control, in the time of may causing the low LOADING RATES of air compressor, the electronic two-way modulating valve in water route all shuts, thereby causes water side circulating water pump to occur the situation of making vexed pump.Therefore, be necessary to provide a kind of residual heat of air compressor to reclaim two times heat changing device, can guarantee that heat exchange can carry out smoothly, can eliminate again the harm that water side circulating water pump is made vexed pump for a long time.
For this defect, propose to utilize a kind of residual heat of air compressor of controlling with water route electric three-way regulating valves to reclaim two times heat changing device the heat recovery control mode of air compressor is optimized.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of residual heat of air compressor and reclaims two times heat changing device, can not only solve the situation that while controlling by water route electric two-way valve, water pump is made vexed pump, and can guarantee when the low LOADING RATES of air compressor, heat exchange can normally move, and effectively solves waste heat waste problem.
The utility model is to solve the problems of the technologies described above the technological scheme adopting to be to provide a kind of residual heat of air compressor recovery two times heat changing device, comprise air compressor and oil water heat exchange recovering device, described oil water heat exchange recovering device is connected with air compressor by high temperature fuel supply line, low temperature return tube, wherein, also comprise plate type heat exchanger and heat preservation hot water tank, between described plate type heat exchanger and heat preservation hot water tank, be provided with high-temperature water outlet pipe and low temperature intake pipe, between described oil water heat exchange recovering device and plate type heat exchanger, be provided with high temperature intake pipe and low temperature outlet pipe; On the low temperature outlet pipe of described plate type heat exchanger first side, be provided with the first circulating water pump and electric three-way regulating valves, the low temperature feed-water end of one end of described electric three-way regulating valves and oil water heat exchange recovering device is connected, one end is connected with the waterexit end of the first circulating water pump in addition, and the bypass ends of described electric three-way regulating valves is connected with high temperature intake pipe by bypass tube.
Above-mentioned residual heat of air compressor reclaims two times heat changing device, wherein, on described low temperature return tube, is provided with temperature transducer.
Above-mentioned residual heat of air compressor reclaims two times heat changing device, wherein, on the low temperature intake pipe of described plate exchanger secondary side, is provided with the second circulating water pump.
Above-mentioned residual heat of air compressor reclaims two times heat changing device, and wherein, one end of described high-temperature water outlet pipe is connected with the high-temperature water outlet end of plate exchanger secondary side, and one end is connected with the hot water feed-water end of heat preservation hot water tank in addition; One end of described low temperature intake pipe is connected with the low temperature feed-water end of plate exchanger secondary side, and one end is connected with the low temperature waterexit end of heat preservation hot water tank in addition; One end of described high temperature intake pipe is connected with the high-temperature water outlet end of oil water heat exchange recovering device, and one end is connected with the high temperature feed-water end of plate type heat exchanger in addition; One end of described low temperature outlet pipe is connected with the low temperature feed-water end of oil water heat exchange recovering device, and one end is connected with the low temperature waterexit end of plate type heat exchanger in addition.
The utility model contrast prior art has following beneficial effect: the residual heat of air compressor that the utility model provides reclaims two times heat changing device, by install electric three-way regulating valves additional on plate type heat exchanger first side low temperature outlet pipe, improved the shortcoming of originally being brought by the control mode of electric two-way valve control air compressor returning-oil temperature on electric three-way regulating valves on oil feed line or water route, can not only solve the situation that while controlling by water route electric two-way valve, water pump is made vexed pump, and can guarantee when the low LOADING RATES of air compressor, heat exchange can normally move, effectively solve waste heat waste problem.
Accompanying drawing explanation
Fig. 1 is that the utility model residual heat of air compressor reclaims two times heat changing device structural representation.
In figure:
1 air compressor 2 high temperature fuel supply line 3 low temperature return tubes
4 temperature transducer 5 oil water heat exchange recovering device 6 low temperature outlet pipes
7 electric three-way regulating valves 8 first circulating water pump 9 bypass tubes
10 high temperature intake pipe 11 plate type heat exchanger 12 low temperature intake pipes
13 second circulating water pump 14 high-temperature water outlet pipe 15 heat preservation hot water tanks
Embodiment
Below in conjunction with drawings and Examples, the utility model will be further described.
Fig. 1 is that the utility model residual heat of air compressor reclaims two times heat changing device structural representation.
Refer to Fig. 1, the residual heat of air compressor that the utility model provides reclaims two times heat changing device and comprises air compressor 1 and an oil water heat exchange recovering device 5, the oily side of oil water heat exchange energy recycle device 5 is connected with air compressor 1 with a low temperature return tube 3 by a high temperature fuel supply line 2, wherein: also comprise a water water plate type heat exchanger 11 and a heat preservation hot water tank 15, between plate type heat exchanger 11 and heat preservation hot water tank 15, be provided with a high-temperature water outlet pipe 14 and a low temperature intake pipe 12, one end of described high-temperature water outlet pipe 14 is connected with the high-temperature water outlet end of plate type heat exchanger 11 second sides, one end of described low temperature intake pipe 12 is connected with the low temperature feed-water end of plate type heat exchanger 11 second sides, other one end of described high-temperature water outlet pipe 14 is connected with the hot water feed-water end of heat preservation hot water tank, other one end of low temperature outlet pipe 12 is connected with the low temperature waterexit end of heat preservation hot water tank 15, between oil water heat exchange recovering device 5 and plate type heat exchanger 11, be provided with a high temperature intake pipe 10 and a low temperature outlet pipe 6, one end of described high temperature intake pipe 10 is connected with the high-temperature water outlet end of oil water heat exchange recovering device 5 water sides, one end of described low temperature outlet pipe 6 is connected with the low temperature feed-water end of oil water heat exchange recovering device 5 water sides, other one end of described high temperature intake pipe 10 is connected with the high temperature feed-water end of plate type heat exchanger 11, other one end of low temperature outlet pipe 6 is connected with the low temperature waterexit end of plate type heat exchanger, on the low temperature outlet pipe 6 of described plate type heat exchanger 11 first sides, be provided with the first circulating water pump 8 and electric three-way regulating valves 7, the low temperature feed-water end of one end of described electric three-way regulating valves 7 and oil water heat exchange recovering device 5 is connected, one end is connected with the waterexit end of the first circulating water pump 8 in addition, and the bypass ends of described electric three-way regulating valves 7 is connected with high temperature intake pipe 10 by bypass tube 9.
Further, on described low temperature return tube 3, be provided with a temperature transducer 4.
Further, on described plate type heat exchanger 11 second side low temperature intake pipes 12, be provided with second circulating water pump 13.
The working principle that residual heat of air compressor of the present utility model reclaims two times heat changing device is as follows:
When air compressor 1 brings into operation; the electric three-way regulating valves 7 of oil water heat exchange recovering device 5 water sides is by regulating entering the water yield of oil water heat exchange recovering device 5 and bypass tube 9; prevent when air compressor 1 low LOADING RATES; the water yield that enters oil water heat exchange recovering device 5 causes too greatly oil temperature to be down to rapidly below 58 ℃ (air compressor protection temperature); thereby guarantee that first side water and high temperature oil heat exchange can normally carry out, and the situation that vexed pump is made in 8 appearance of first side circulating water pump can effectively prevent from utilizing water route electric two-way valve to control time.Cold water in heat preservation hot water tank 15 continues to carry out heat exchange with the hot water of plate type heat exchanger 11 first sides by water water plate type heat exchanger 11, thereby the waste heat in air compressor 1 high temperature oil is transferred in hot water gradually, realizes the various heat demands of using of enterprise.
Although the utility model discloses as above with preferred embodiment; so it is not in order to limit the utility model; any those skilled in the art; within not departing from spirit and scope of the present utility model; when doing a little modification and perfect, therefore protection domain of the present utility model is worked as with being as the criterion that claims were defined.
Claims (4)
1. a residual heat of air compressor reclaims two times heat changing device, comprise air compressor (1) and oil water heat exchange recovering device (5), described oil water heat exchange recovering device (5) is by high temperature fuel supply line (2), low temperature return tube (3) is connected with air compressor (1), it is characterized in that, also comprise plate type heat exchanger (11) and heat preservation hot water tank (15), between described plate type heat exchanger (11) and heat preservation hot water tank (15), be provided with high-temperature water outlet pipe (14) and low temperature intake pipe (12), between described oil water heat exchange recovering device (5) and plate type heat exchanger (11), be provided with high temperature intake pipe (10) and low temperature outlet pipe (6), on the low temperature outlet pipe (6) of described plate type heat exchanger (11) first side, be provided with the first circulating water pump (8) and electric three-way regulating valves (7), one end of described electric three-way regulating valves (7) is connected with the low temperature feed-water end of oil water heat exchange recovering device (5), one end is connected with the waterexit end of the first circulating water pump (8) in addition, and the bypass ends of described electric three-way regulating valves (7) is connected with high temperature intake pipe (10) by bypass tube (9).
2. residual heat of air compressor as claimed in claim 1 reclaims two times heat changing device, it is characterized in that, is provided with temperature transducer (4) on described low temperature return tube (3).
3. residual heat of air compressor as claimed in claim 1 reclaims two times heat changing device, it is characterized in that, on the low temperature intake pipe (12) of described plate type heat exchanger (1) second side, is provided with the second circulating water pump (13).
4. the residual heat of air compressor as described in claim 1～3 any one reclaims two times heat changing device, it is characterized in that, one end of described high-temperature water outlet pipe (14) is connected with the high-temperature water outlet end of plate type heat exchanger (11) second side, and one end is connected with the hot water feed-water end of heat preservation hot water tank in addition; One end of described low temperature intake pipe (12) is connected with the low temperature feed-water end of plate type heat exchanger (11) second side, and one end is connected with the low temperature waterexit end of heat preservation hot water tank (15) in addition; One end of described high temperature intake pipe (10) is connected with the high-temperature water outlet end of oil water heat exchange recovering device (5), and one end is connected with the high temperature feed-water end of plate type heat exchanger (11) in addition; One end of described low temperature outlet pipe (6) is connected with the low temperature feed-water end of oil water heat exchange recovering device (5), and one end is connected with the low temperature waterexit end of plate type heat exchanger (11) in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243891.9U CN203926025U (en) | 2014-05-13 | 2014-05-13 | A kind of residual heat of air compressor reclaims two times heat changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243891.9U CN203926025U (en) | 2014-05-13 | 2014-05-13 | A kind of residual heat of air compressor reclaims two times heat changing device |
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| Publication Number | Publication Date |
|---|---|
| CN203926025U true CN203926025U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420243891.9U Expired - Lifetime CN203926025U (en) | 2014-05-13 | 2014-05-13 | A kind of residual heat of air compressor reclaims two times heat changing device |
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| CN (1) | CN203926025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243219A (en) * | 2018-03-09 | 2019-09-17 | 中国石油天然气股份有限公司 | Heat combined heat exchange system and heat combined heat exchange method |
-
2014
- 2014-05-13 CN CN201420243891.9U patent/CN203926025U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243219A (en) * | 2018-03-09 | 2019-09-17 | 中国石油天然气股份有限公司 | Heat combined heat exchange system and heat combined heat exchange method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |