CN103147990B - Waste heat recovery system of air compressor - Google Patents
Waste heat recovery system of air compressor Download PDFInfo
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- CN103147990B CN103147990B CN201310094995.8A CN201310094995A CN103147990B CN 103147990 B CN103147990 B CN 103147990B CN 201310094995 A CN201310094995 A CN 201310094995A CN 103147990 B CN103147990 B CN 103147990B
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- oil
- air compressor
- heat exchanger
- cooler
- storage cylinder
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Abstract
The invention provides a kind of waste heat recovery system of air compressor, comprise air compressor, also comprise oil storage cylinder, heat exchanger and cooler, the oil outlet tube of described air compressor connects described oil storage cylinder, described oil storage cylinder first oil outlet connects described heat exchanger after heat exchanger bypass valve, described heat exchanger first oil outlet connects described cooler after cooler bypass valve, described heat exchanger second oil outlet connects thermo valve, described oil storage cylinder second oil outlet connects described thermo valve, described thermal control valve oil outlet and described cooler oil outlet are also connected described air compressor filler opening after the branch road that becomes to reflux, described backflow branch road is provided with oil strainer and pressure gauge.Waste heat recovery system of air compressor of the present invention also has a little following: the reduction of air compressor operating temperature, decrease the fault of machine, extend the working life of equipment, reduce maintaining cost, increase machine oil, engine oil grid, deaerator replacing time limit, corresponding extending changes the time limit.
Description
Technical field
The present invention relates to a kind of air compressor, particularly a kind of waste heat recovery system of air compressor.
Background technique
In screw-rod air compressor running, the oil of High Temperature High Pressure, the heat entrained by gas are roughly equivalent to 1/4 of air compressor power, and its temperature usually between 80 and 100 degrees.Screw-rod air compressor is come in the process of the oil of High Temperature High Pressure, gas cooling by the radiation system of self, and a large amount of heat energy is just by wasting for no reason.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is to provide the waste heat recovery system of air compressor that a kind of heat energy that can produce air compressor is recycled.
(2) technological scheme
For solving the problems of the technologies described above, the invention provides a kind of waste heat recovery system of air compressor, comprise air compressor 1, also comprise oil storage cylinder 2, heat exchanger 8 and cooler 9, the oil outlet tube of described air compressor 1 connects described oil storage cylinder 2, described oil storage cylinder 2 first oil outlet connects described heat exchanger 8 after heat exchanger bypass valve, described heat exchanger 8 first oil outlet connects described cooler 9 after cooler bypass valve, described heat exchanger 8 second oil outlet connects thermo valve 7, described oil storage cylinder 2 second oil outlet connects described thermo valve 7, described thermal control valve 7 oil outlet and described cooler 9 oil outlet are also connected described air compressor filler opening after the branch road 15 that becomes to reflux, described backflow branch road 15 is provided with oil strainer 5 and pressure gauge 4.
Further, described oil strainer 5 entry end is provided with oil strainer differential pressure switch 6.
Further, described oil storage cylinder 2 first oil outlet is provided with pressure maintenance valve 16 and pressure transducer 13.
Further, described oil storage cylinder 2 is provided with oil storage cylinder pressure gauge 12 and safety valve 11.
Further, described cooler 9 is provided with relief opening 10.
(3) beneficial effect
Waste heat recovery system of air compressor of the present invention, when air compressor just starts, the temperature of cold oil is lower, and now cooler bypass valve, heat exchanger bypass valve are closed, and cold oil directly enters air compressor without heat exchanger and cooler; When after compressor operation a period of time, temperature starts to raise, when chilling temperature is elevated to the setting value of heat exchanger bypass valve, this valve is opened automatically, cold oil enters heat exchanger and transfers heat to cooling water, then downstream is entered, if the temperature of cold oil still lower than the setting value of cooler bypass valve, does not then enter cooler and directly enters air compressor after heat exchange; If the chilling temperature after over-heat-exchanger is higher than the setting value of cooler bypass valve, is then introduced into cooler cooling, and then enters air compressor; Waste heat recovery system of air compressor of the present invention also has a little following: 1, can realize hot water production zero cost, and whole day 24 hours hot-water supplies; 2, air compressor heat radiation Reduction of Students' Study Load, energy saving of system is realized; 3, the reduction of air compressor operating temperature, decreases the fault of machine, extends the working life of equipment, reduces maintaining cost, and increase machine oil, engine oil grid, deaerator replacing time limit, corresponding extending changes the time limit; 4, improve compressor operation efficiency, realize the economical running of air compressor; 5, safely, clean, convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of waste heat recovery system of air compressor of the present invention.
Embodiment
Consult Fig. 1, the invention provides a kind of waste heat recovery system of air compressor, comprise air compressor 1, also comprise oil storage cylinder 2, heat exchanger 8, cooler 9 and thermo valve 7, air compressor 1 is provided with temperature transducer 14, the oil outlet tube of air compressor 1 connects oil storage cylinder 2, its oil gas mixing tube also connects this oil storage cylinder 2, oil storage cylinder 2 first oil outlet connects heat exchanger 8 after heat exchanger bypass valve, heat exchanger 8 first oil outlet connects cooler 9 after cooler bypass valve, heat exchanger 8 second oil outlet connects thermo valve 7, oil storage cylinder 2 second oil outlet also connects thermo valve 7, thermal control valve 7 oil outlet and cooler 9 oil outlet are also connected air compressor filler opening after the branch road 15 that becomes to reflux, this backflow branch road 15 is provided with oil strainer 5 and pressure gauge 4, oil strainer differential pressure switch 6 is provided with at oil strainer 5 entry end, oil storage cylinder 2 first oil outlet is provided with pressure maintenance valve 16 and pressure transducer 13, in order to ensure safety, oil storage cylinder 2 is provided with oil storage cylinder pressure gauge 12 and safety valve 11, meanwhile, cooler 9 is provided with relief opening 10, exhaust port 10 is controlled by ball valve, the oil drain valve 3 for draining the oil is provided with bottom oil storage cylinder 2.
Waste heat recovery system of air compressor of the present invention, when air compressor just starts, the temperature of cold oil is lower, and now cooler bypass valve, heat exchanger bypass valve are closed, and cold oil directly enters air compressor without heat exchanger and cooler; When after compressor operation a period of time, temperature starts to raise, when chilling temperature is elevated to the setting value of heat exchanger bypass valve, this valve is opened automatically, cold oil enters heat exchanger and transfers heat to cooling water, then downstream is entered, if the temperature of cold oil still lower than the setting value of cooler bypass valve, does not then enter cooler and directly enters air compressor after heat exchange; If the chilling temperature after over-heat-exchanger is higher than the setting value of cooler bypass valve, is then introduced into cooler cooling, and then enters air compressor; Waste heat recovery system of air compressor of the present invention also has a little following: 1, can realize hot water production zero cost, and whole day 24 hours hot-water supplies; 2, air compressor heat radiation Reduction of Students' Study Load, energy saving of system is realized; 3, the reduction of air compressor operating temperature, decreases the fault of machine, extends the working life of equipment, reduces maintaining cost, and increase machine oil, engine oil grid, deaerator replacing time limit, corresponding extending changes the time limit; 4, improve compressor operation efficiency, realize the economical running of air compressor; 5, safely, clean, convenient.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (1)
1. a waste heat recovery system of air compressor, comprise air compressor (1), also comprise oil storage cylinder (2), heat exchanger (8), cooler (9) and thermo valve (7), it is characterized in that: air compressor (1) is provided with temperature transducer (14), the oil outlet tube of air compressor (1) connects described oil storage cylinder (2), its oil gas mixing tube also connects this oil storage cylinder (2), described oil storage cylinder (2) first oil outlet connects described heat exchanger (8) after heat exchanger bypass valve, heat exchanger (8) first oil outlet connects described cooler (9) after cooler bypass valve, heat exchanger (8) second oil outlet connects thermo valve (7), described oil storage cylinder (2) second oil outlet also connects thermo valve (7), thermo valve (7) oil outlet is with described cooler (9) oil outlet and the branch road (15) that becomes to reflux is connected described air compressor filler opening afterwards, this backflow branch road (15) is provided with oil strainer (5) and pressure gauge (4), oil strainer differential pressure switch (6) is provided with at oil strainer (5) entry end, oil storage cylinder (2) first oil outlet is provided with pressure maintenance valve (16) and pressure transducer (13), in order to ensure safety, oil storage cylinder (2) is provided with oil storage cylinder pressure gauge (12) and safety valve (11), cooler (9) is provided with relief opening (10), and relief opening (10) is controlled by ball valve, the oil drain valve (3) for draining the oil is provided with in oil storage cylinder (2) bottom, when air compressor (1) just starts, the temperature of cold oil is lower, now cooler bypass valve and heat exchanger bypass valve are closed, and cold oil directly enters air compressor (1) without heat exchanger (8) and cooler (9), after air compressor (1) runs a period of time, temperature starts to raise, when cold oil temperature is elevated to the setting value of heat exchanger bypass valve, heat exchanger bypass valve is opened automatically, cold oil enters heat exchanger (8) and transfers heat to cooling water, if the temperature of cold oil is still lower than the setting value of cooler bypass valve after heat exchange, does not then enter cooler (9) and directly enter air compressor (1), if the cold oil temperature after over-heat-exchanger (8) is higher than the setting value of cooler bypass valve, is then introduced into cooler (9) cooling, and then enters air compressor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310094995.8A CN103147990B (en) | 2013-03-22 | 2013-03-22 | Waste heat recovery system of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310094995.8A CN103147990B (en) | 2013-03-22 | 2013-03-22 | Waste heat recovery system of air compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103147990A CN103147990A (en) | 2013-06-12 |
| CN103147990B true CN103147990B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310094995.8A Active CN103147990B (en) | 2013-03-22 | 2013-03-22 | Waste heat recovery system of air compressor |
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| CN (1) | CN103147990B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570088B (en) * | 2015-08-31 | 2018-08-03 | 珠海格力电器股份有限公司 | Air-conditioner set Oil-temperature control system and control method |
| DE102017107933A1 (en) * | 2017-04-12 | 2018-10-18 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Compressor system with adjustable and / or controllable temperature monitoring device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200964951Y (en) * | 2006-11-09 | 2007-10-24 | 赵华 | Residual heat utilization device of screw type air compressor |
| CN201401311Y (en) * | 2009-04-25 | 2010-02-10 | 赵德文 | Waste heat recovery device of oil injection rotary air compressor |
| CN201731608U (en) * | 2010-05-21 | 2011-02-02 | 德联覆铜板(惠州)有限公司 | Waste heat recovery hot water system of air compressor |
| CN202442466U (en) * | 2012-03-05 | 2012-09-19 | 邢洪军 | Air compressor water heater |
| CN203098292U (en) * | 2013-03-22 | 2013-07-31 | 宁波明欣化工机械有限责任公司 | Waste heat recycling system of air compressor |
-
2013
- 2013-03-22 CN CN201310094995.8A patent/CN103147990B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200964951Y (en) * | 2006-11-09 | 2007-10-24 | 赵华 | Residual heat utilization device of screw type air compressor |
| CN201401311Y (en) * | 2009-04-25 | 2010-02-10 | 赵德文 | Waste heat recovery device of oil injection rotary air compressor |
| CN201731608U (en) * | 2010-05-21 | 2011-02-02 | 德联覆铜板(惠州)有限公司 | Waste heat recovery hot water system of air compressor |
| CN202442466U (en) * | 2012-03-05 | 2012-09-19 | 邢洪军 | Air compressor water heater |
| CN203098292U (en) * | 2013-03-22 | 2013-07-31 | 宁波明欣化工机械有限责任公司 | Waste heat recycling system of air compressor |
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|---|---|
| CN103147990A (en) | 2013-06-12 |
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Inventor after: Wang Yiliang Inventor after: Wei Changwu Inventor before: Wei Changwu |