CN102777351A - Waste heat recycling device and recycling method of oil-free compressor - Google Patents
Waste heat recycling device and recycling method of oil-free compressor Download PDFInfo
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- CN102777351A CN102777351A CN2012102804588A CN201210280458A CN102777351A CN 102777351 A CN102777351 A CN 102777351A CN 2012102804588 A CN2012102804588 A CN 2012102804588A CN 201210280458 A CN201210280458 A CN 201210280458A CN 102777351 A CN102777351 A CN 102777351A
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Abstract
The invention relates to a waste heat recycling device of an oil-free compressor. The device comprises a cooling water intake pipe and a cooling water outtake pipe, wherein the cooling water intake pipe and the cooling water outtake pipe are connected with the cooling inlet and the cooling outlet of the compressor; a first water loop is formed by the cooling water intake pipe and the cooling water outtake pipe as well as a cooling path inside the compressor through a first water pump assembly; a water supply port and a control valve thereof as well as a water discharge port and a control valve thereof are arranged on the the first water loop; a first heat exchanger and a second heat exchanger are arranged on the cooling water outtake pipe; the refrigerant inlet and the refrigerant outlet of the first heat exchanger are connected with a heat insulation water tank and a second water pump assembly through a pipeline so as to form a second water loop; and an external water supply port is connected beside the second water loop. With the adoption of the device, the waste heat of the oil-free compressor can be recycled and reused. The invention also provides a waste heat recycling method of the oil-free compressor.
Description
Technical field
The present invention relates to a kind of waste heat recovery plant and method, particularly a kind of oil-free compressor waste heat recovery plant and recovery method.
Background technique
Exhaustion day by day along with the human energy; About how reducing energy consumption, promoting green energy resource, realizing that the energy recovery recycle is just becoming the topic that countries in the world are paid close attention to; And for the technology of promoting green energy resource, implementation low energy consumption; Realize that the energy consumption recycle and reuse reaches the purpose of saving energy consumption and obviously is more suitable for the national conditions in China, also have more wide popularization space.Compressor is owing to be the heart of refrigeration system, and it can produce great amount of heat in process of refrigerastion, and these heats can directly be disposed in the atmosphere usually, can cause the raising of whole atmospheric temperature like this, thus the environmental pollution that generation is sternly completed.Be directed to this, also occur many compressor WHRSs at present.But existing compressor WHRS all is to hydraulic shrinking machine is arranged; Oilless compressor since not with cold oil as cooling medium; Therefore its waste heat recovery means just are different from fully has hydraulic shrinking machine, does not still carry out the technology of waste heat recovery at present to oilless compressor.
Summary of the invention
In order to overcome disadvantages of background technology, the present invention provides a kind of device that can carry out recycling to the used heat of oil-free compressor.
Technological scheme of the present invention is: a kind of oil-free compressor waste heat recovery plant; Be characterized in: include and be used for the cooling water inlet pipe and the cooling water outlet tube that link to each other with compressor cooling inlet/outlet; Cooling water inlet pipe and cooling water outlet tube form first water loop through the cooling channel in first water pump component and the compressor; In this first water loop, be provided with water-supplying mouth and control valve thereof and drain opening and control valve thereof; On cooling water outlet tube, be provided with first heat exchanger and second heat exchanger, wherein the refrigerant import of first heat exchanger and refrigerant exit link to each other with heat-insulating water tanks through the pipeline and second water pump component and form second water loop, the other secondary water supplying mouth that is connected in this second water loop; Described second heat exchanger is provided with and is used for the refrigerant import and the refrigerant exit that link to each other with the inlet/outlet of cooling tower; Between first heat exchanger and compressor coolant outlet, be provided with the first other water pipe, this first other water pipe one end links to each other with cooling water outlet tube through first switching valve, and the other end links to each other with the cooling water inlet pipe; Between first switching valve and compressor coolant outlet, be provided with the first TEMP degree; Be connected with the second other water pipe on the pipeline that between first heat exchanger and second heat exchanger, links to each other, this second other water pipe one end is continuous through the pipeline that links to each other between second switching valve and first heat exchanger and second heat exchanger, and the other end links to each other with the heating agent outer pipe of second heat exchanger; Between first heat exchanger and second switching valve, be provided with second temperature transducer; Described first, second water pump component, first, second switching valve, first, second temperature transducer and water intake control valve all are connected with control centre with the drain opening control valve.
Further, also be provided with pressure transducer and expansion drum in described first water loop, said pressure transducer all is connected with control centre with expansion drum.
Further, comprise also being used to be installed in the three-temperature sensor in the heat-insulating water tanks that this three-temperature sensor links to each other with control centre.
The present invention also provides a kind of oil-free compressor used heat Huis receiving method simultaneously; Be characterized in: the step of described recovery method is following: 1, the water intake control valve is opened by control centre; Through the water-supplying mouth adding cooling water 2, control centre in first water loop being sent signal switches to first switching valve and the first other water pipe communicating state; Start the first water pump component work simultaneously, make cooling water pass through the first other water pipe and cooling water inlet pipe and compressor cooling channel and form water cycle; 3, when first temperature transducer detects temperature greater than T1 and less than T2; First switching valve switches to and communicates with first heat exchanger and make the first other water pipe cut out OFF state; Second switching valve switches to the second heat exchanger communicating state the second other water pipe is closed, thereby the cooling tower startup is carried out heat exchange work to second heat exchanger; 4, when first temperature transducer detects temperature greater than T2; Cooling tower quits work; Second switching valve switch to communicate with the second other water pipe and with second heat exchanger OFF state that do not communicate, start second water pump component, the water of second water loop is circulated realizes heating; 5, when second temperature transducer detects temperature greater than T4, second switching valve switch to communicate with second heat exchanger and with the second other water pipe closed condition, start cooling tower work simultaneously, thereby make first heat exchanger and second heat exchanger carry out heat exchange work simultaneously.
Described T1 is preferably 40 ℃, and described T2 is preferably 75 ℃, describedly is preferably 30 ℃.
The present invention can be according to the temperature conditions of oilless compressor coolant outlet; Select to use cooling tower cooling or heat recovery circulation cooling or the two to cool off simultaneously;, temperature can carry out waste heat recovery effectively when reaching particular value; Thereby realize energy recycling, reach the purpose of energy-saving and emission-reduction.
Description of drawings
Fig. 1 is the schematic representation of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
As shown in Figure 1; The embodiment of a kind of oil-free compressor waste heat recovery plant of the present invention; Include and be used for cooling off the cooling water inlet pipe 3 and cooling water outlet tube 12 that inlet/outlet links to each other with compressor 1; Cooling water inlet pipe 3 forms first water loop with cooling water outlet tube 12 through first water pump component 2 and compressor 1 interior cooling channel; In this first water loop, be provided with water-supplying mouth and control valve 8 and drain opening and control valve 7 thereof; On cooling water outlet tube 12, be provided with first heat exchanger 13 and second heat exchanger 16, wherein the refrigerant import of first heat exchanger 13 and refrigerant exit link to each other with heat-insulating water tanks 20 through the pipeline and second water pump component 19 and form second water loop, the other secondary water supplying mouth 22 that is connected in this second water loop; Described second heat exchanger 16 is provided with and is used for the refrigerant import and the refrigerant exit that link to each other with the inlet/outlet of cooling tower 17; Between first heat exchanger 13 and compressor 1 coolant outlet, be provided with the first other water pipe 6, these first other water pipe 6 one ends link to each other with cooling water outlet tube 12 through first switching valve 10, and the other end links to each other with cooling water inlet pipe 3; Between first switching valve 10 and compressor 1 coolant outlet, be provided with the first TEMP degree 9; Be connected with the second other water pipe 18 on the pipeline that between first heat exchanger 13 and second heat exchanger 16, links to each other, these second other water pipe 18 1 ends are continuous through the pipeline that links to each other between second switching valve 15 and first heat exchanger 13 and second heat exchanger 16, and the other end links to each other with the heating agent outer pipe of second heat exchanger 16; Between first heat exchanger 13 and second switching valve 15, be provided with second temperature transducer 14; Described first, second water pump component 2,19, first, second switching valve 10,15, first, second temperature transducer 9,14 and water intake control valve 8 all are connected with control centre with drain opening control valve 7.
Also be provided with pressure transducer 5 and expansion drum 4 in described first water loop, said pressure transducer 5 all is connected with control centre with expansion drum 4.Through establishing pressure transducer; Can carry out supply to cooling water; Because the situation that in use can exist cooling water to be evaporated, cooling water pressure does not just reach setting value like this, so pressure transducer can be passed to control centre with this signal; Start water supply control valve by control centre, thereby cooling water is carried out supply.Thereby can when being heated the generation variation in pressure, carry out self-regulating to cooling water and establish expansion drum, realize the purpose of constant voltage.
In the present embodiment, comprise also being used to be installed in the three-temperature sensor 21 in the heat-insulating water tanks 20 that this three-temperature sensor 21 links to each other with control centre.
In order to ensure the continuous service of system, first water pump component 2 and second water pump component 19 can respectively be established two groups, and a water pump component commonly used and a reserve pump assembly promptly all arranged respectively.
When present embodiment uses; At first; Water intake control valve 8 is opened by control centre, through the water-supplying mouth with adding cooling water in first water loop, then control centre send signal make first switching valve cut 10 change to first other water pipe 6 communicating states; Start 2 work of first water pump component simultaneously, make cooling water pass through the first other water pipe 6 and cooling water inlet pipe 12 and compressor 1 cooling channel formation water cycle; When first temperature transducer 9 detects temperature greater than 40 ℃ and during less than 75 ℃ (this actual temp value can be set through actual demand); First switching valve 10 switches to and communicates with first heat exchanger 13 and make the first other water pipe 6 cut out OFF state; Second switching valve 15 switches to second heat exchanger, 16 communicating states the second other water pipe 18 is closed, thereby cooling tower 17 startups are carried out heat exchange work to second heat exchanger 16; When first temperature transducer 9 detects temperature greater than 75 ℃; Cooling tower 17 quits work; Second switching valve 15 switch to communicate with the second other water pipe 18 and with second heat exchanger 16 OFF state that do not communicate, start second water pump component 19, the water of second water loop is circulated realizes heating; When second TEMP, 14 devices detect temperature greater than 30 ℃ (this actual temp value can be set through actual demand); Second switching valve 15 switch to communicate with second heat exchanger 16 and with second other water pipe 18 closed conditions; Start cooling tower work simultaneously, thereby make first heat exchanger 13 and second heat exchanger 16 carry out heat exchange work simultaneously, and when the three-temperature sensor 21 in the heat-insulating water tanks 20 detects temperature and reaches particular value; At this moment show that temperature in the heat-insulating water tanks 20 have reached required temperature and do not need to heat again; At this moment control centre can send signal again, and second water pump component 19 is quit work, and second switching valve 15 switches to the OFF state that communicates with second heat exchanger 16 simultaneously; Promptly close the second other water pipe 18, start 17 pairs of cooling waters of cooling tower and cool off.
The present invention in use; It is just passable only to use interface with correspondence to be linked into corresponding interface and cooling tower interface and the heat-insulating water tanks of Compressor Group; Easy to operate, thus can transform the purpose that realizes waste heat recovery to the cooling system of former oilless compressor easily.
Claims (5)
1. oil-free compressor waste heat recovery plant; It is characterized in that: include and be used for the cooling water inlet pipe and the cooling water outlet tube that link to each other with compressor cooling inlet/outlet; Cooling water inlet pipe and cooling water outlet tube form first water loop through the cooling channel in first water pump component and the compressor; In this first water loop, be provided with water-supplying mouth and control valve thereof and drain opening and control valve thereof; On cooling water outlet tube, be provided with first heat exchanger and second heat exchanger, wherein the refrigerant import of first heat exchanger and refrigerant exit link to each other with heat-insulating water tanks through the pipeline and second water pump component and form second water loop, the other secondary water supplying mouth that is connected in this second water loop; Described second heat exchanger is provided with and is used for the refrigerant import and the refrigerant exit that link to each other with the inlet/outlet of cooling tower; Between first heat exchanger and compressor coolant outlet, be provided with the first other water pipe, this first other water pipe one end links to each other with cooling water outlet tube through first switching valve, and the other end links to each other with the cooling water inlet pipe; Between first switching valve and compressor coolant outlet, be provided with the first TEMP degree; Be connected with the second other water pipe on the pipeline that between first heat exchanger and second heat exchanger, links to each other, this second other water pipe one end is continuous through the pipeline that links to each other between second switching valve and first heat exchanger and second heat exchanger, and the other end links to each other with the heating agent outer pipe of second heat exchanger; Between first heat exchanger and second switching valve, be provided with second temperature transducer; Described first, second water pump component, first, second switching valve, first, second temperature transducer and water intake control valve all are connected with control centre with the water outlet control valve.
2. oil-free compressor waste heat recovery plant according to claim 1 is characterized in that: also be provided with pressure transducer and expansion drum in described first water loop, said pressure transducer all is connected with control centre with expansion drum.
3. oil-free compressor waste heat recovery plant according to claim 1 is characterized in that: comprise also being used to be installed in the three-temperature sensor in the heat-insulating water tanks that this three-temperature sensor links to each other with control centre.
4. the recovery method of an oil-free compressor waste heat recovery plant as claimed in claim 1; It is characterized in that: the step of described recovery method is following: 1., control centre opens the water intake control valve, through the water-supplying mouth with adding cooling water in first water loop; 2., control centre sends signal first switching valve is switched to and the first other water pipe communicating state, starts the first water pump component work simultaneously, makes cooling water pass through the first other water pipe and cooling water inlet pipe and compressor cooling channel formation water cycle; 3., when first temperature transducer detects temperature greater than T1 and less than T2; First switching valve switches to and communicates with first heat exchanger and make the first other water pipe cut out OFF state; Second switching valve switches to the second heat exchanger communicating state the second other water pipe is closed, thereby the cooling tower startup is carried out heat exchange work to second heat exchanger; 4., when first temperature transducer detects temperature greater than T2; Cooling tower quits work; Second switching valve switch to communicate with the second other water pipe and with second heat exchanger OFF state that do not communicate, start second water pump component, the water of second water loop is circulated realizes heating; 5., when second temperature transducer detects temperature greater than T4, second switching valve switch to communicate with second heat exchanger and with the second other water pipe closed condition, start cooling tower work simultaneously, thereby make first heat exchanger and second heat exchanger carry out heat exchange work simultaneously.
5. recovery method according to claim 4 is characterized in that: described T1 is 40 ℃, and described T2 is 75 ℃, and described T3 is 30 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210280458.8A CN102777351B (en) | 2012-08-08 | 2012-08-08 | Waste heat recycling device and recycling method of oil-free compressor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210280458.8A CN102777351B (en) | 2012-08-08 | 2012-08-08 | Waste heat recycling device and recycling method of oil-free compressor |
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| CN102777351A true CN102777351A (en) | 2012-11-14 |
| CN102777351B CN102777351B (en) | 2014-11-05 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807999A (en) * | 2014-03-05 | 2014-05-21 | 余德林 | Heat energy recovering system |
| CN103822340A (en) * | 2014-03-05 | 2014-05-28 | 余德林 | Heat energy recovering integrated box |
| CN105041704A (en) * | 2015-08-17 | 2015-11-11 | 温州安腾环保节能科技有限公司 | Thermal recovery system of centrifugal compressor |
| CN110242540A (en) * | 2019-07-15 | 2019-09-17 | 上海赛捷能源科技有限公司 | A kind of level-one heat recovery system of air compressor |
| EP3918199B1 (en) | 2019-01-30 | 2023-03-08 | Gardner Denver Deutschland GmbH | Cooling arrangement and method for cooling a compressed-air generator with at least two stages |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2828612Y (en) * | 2005-08-05 | 2006-10-18 | 聂民 | Energy-saving equipment for producing hot water of computer control piston coding water set |
| CN2828673Y (en) * | 2005-09-02 | 2006-10-18 | 聂民 | Energy-saving set of ice storage heat pump |
| CN201884248U (en) * | 2010-12-11 | 2011-06-29 | 浙江任浪鞋材有限公司 | Residual heat utilization device of air compressor |
| CN201925131U (en) * | 2010-12-14 | 2011-08-10 | 山东滨州亚光毛巾有限公司 | Air compressor heat exchange recovery system |
| CN201953611U (en) * | 2010-12-24 | 2011-08-31 | 上海安悦节能技术有限公司 | Waste heat recovering device of water-cooled type air compressor |
| CN102425535A (en) * | 2011-11-28 | 2012-04-25 | 友达光电股份有限公司 | Heat recovery device for air compressor |
| CN202707420U (en) * | 2012-08-08 | 2013-01-30 | 沈长青 | Waste heat recovery device of oilless compressor |
-
2012
- 2012-08-08 CN CN201210280458.8A patent/CN102777351B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2828612Y (en) * | 2005-08-05 | 2006-10-18 | 聂民 | Energy-saving equipment for producing hot water of computer control piston coding water set |
| CN2828673Y (en) * | 2005-09-02 | 2006-10-18 | 聂民 | Energy-saving set of ice storage heat pump |
| CN201884248U (en) * | 2010-12-11 | 2011-06-29 | 浙江任浪鞋材有限公司 | Residual heat utilization device of air compressor |
| CN201925131U (en) * | 2010-12-14 | 2011-08-10 | 山东滨州亚光毛巾有限公司 | Air compressor heat exchange recovery system |
| CN201953611U (en) * | 2010-12-24 | 2011-08-31 | 上海安悦节能技术有限公司 | Waste heat recovering device of water-cooled type air compressor |
| CN102425535A (en) * | 2011-11-28 | 2012-04-25 | 友达光电股份有限公司 | Heat recovery device for air compressor |
| CN202707420U (en) * | 2012-08-08 | 2013-01-30 | 沈长青 | Waste heat recovery device of oilless compressor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807999A (en) * | 2014-03-05 | 2014-05-21 | 余德林 | Heat energy recovering system |
| CN103822340A (en) * | 2014-03-05 | 2014-05-28 | 余德林 | Heat energy recovering integrated box |
| CN103807999B (en) * | 2014-03-05 | 2017-01-11 | 余德林 | Heat energy recovering system |
| CN105041704A (en) * | 2015-08-17 | 2015-11-11 | 温州安腾环保节能科技有限公司 | Thermal recovery system of centrifugal compressor |
| EP3918199B1 (en) | 2019-01-30 | 2023-03-08 | Gardner Denver Deutschland GmbH | Cooling arrangement and method for cooling a compressed-air generator with at least two stages |
| CN110242540A (en) * | 2019-07-15 | 2019-09-17 | 上海赛捷能源科技有限公司 | A kind of level-one heat recovery system of air compressor |
| CN110242540B (en) * | 2019-07-15 | 2024-05-03 | 上海赛捷能源科技有限公司 | Primary heat recovery system of air compressor |
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| CN102777351B (en) | 2014-11-05 |
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