CN203175795U - Heat recycling system of air compressor - Google Patents
Heat recycling system of air compressor Download PDFInfo
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- CN203175795U CN203175795U CN 201320117202 CN201320117202U CN203175795U CN 203175795 U CN203175795 U CN 203175795U CN 201320117202 CN201320117202 CN 201320117202 CN 201320117202 U CN201320117202 U CN 201320117202U CN 203175795 U CN203175795 U CN 203175795U
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Abstract
The utility model relates to the technical field of air compressors, in particular to a heat recycling system of an air compressor. The heat recycling system of the air compressor comprises a heat exchanger connected with an oil-gas separator of the air compressor, a water return pipeline connected with a water inlet of the heat exchanger, and a water supply pipeline connected with a water outlet of the heat exchanger. The heat exchanger, the water return pipeline and the water supply pipeline are controlled by a controller of the air compressor. Heat generated by the compressor in the cooling process of oil is converted to preheat of domestic hot water, the utilization rate of energy is improved, cost is saved, and meanwhile waste can be well reduced.
Description
Technical field
The utility model relates to the air compressor technical field, is specifically related to a kind of heat reclaiming system of air compressor.
Background technique
Can produce at present oil, the gas mixture of high temperature in the compression process of compressor, the oil of these high temperature, gas are admitted to after separately cooling system cools off, and the part of oil turns back to the oil circulation system again.In the said process, compressor to oil, gas cools off the heat that produces, and roughly is equivalent to 72% of air compressor power demand, prior art also is not used to the heat that produces in the said process, a large amount of heat energy is by slatterning in vain.
The domestic hot-water of existing enterprise adopts the oil-fired boiler hot-water supply mostly, according to statistics, as adopt energy-saving oil-fired boiler to supply water, 0.65 yuan/the people of hot water expense average out to of every day per capita, the moon is paid 19.5 yuan per capita, average annual heat cost is 234.00, and by 500 person-times of calculating are arranged in the enterprise, the annual hot water expense of payment that needs reaches 117000.00 yuan.If compressor is reclaimed at the heat energy that oil, air cooling are but produced in the process, and it is transformed in domestic hot-water's the supply, just its economic value can be very considerable.
The model utility content
At prior art problems, the utility model provides a kind of air compressor heat reclaiming system, be used for compressor in the preheating of the thermal power transfer that oil cooled process is produced to domestic hot-water or boiler feed water, improve energy utilization ratio, when saving cost, can better cut the waste.
A kind of air compressor heat reclaiming system comprises and the oil of air compressor, the heat exchanger that gas separating device is connected; The water return pipeline that is connected with the heat exchanger water intake; The supply channel that is connected with the heat exchanger water outlet; Heat exchanger, water return pipeline and supply channel are by the controller control of air compressor.The high-temperature hot oil of air compressor enters heat exchanger from oil, after gas separating device comes out, and carry out heat exchange with the cold water of low temperature, thereby oil is cooled, and water is heated.After heat exchange finished, the part of oil turned back to original oil-way system.Water arrives heat exchanger through water return pipeline, after the heat exchange, exports through supply channel.
Further, above-mentioned water return pipeline comprises feed tank, the feed water pump that is connected with the feed tank water outlet that is connected with water source from the beginning and is arranged on feed valve on the water return pipeline; Above-mentioned supply channel comprises the heat-insulating water tanks that is connected with the heat exchanger output terminal and is arranged on water supply valve on the supply channel; Cold water at first comes out from feed tank, through feed water pump, be transported in the heat exchanger, through with the heat exchange of high-temperature hot oil after, become hot water, finally be sent to heat-insulating water tanks.
Further, also be provided with first temperature transducer, high-temperature water outlet valve and low temperature outlet valve on the above-mentioned supply channel, first temperature transducer transfers to controller with temperature, judge by controller whether temperature meets the requirements of temperature, if do not meet the requirements of temperature, then the low temperature outlet valve is opened automatically, and the high-temperature water outlet valve cuts out, hot water enters feed tank again, carries out the secondary cycle heating; When the heat exchanger exit water temperature reached the requirement temperature, hot water directly entered heat-insulating water tanks.
Further, the below of heat-insulating water tanks also is provided with reflux valve, the other end of reflux valve is connected with the water inlet of feed tank, when the hot water temperature in the heat-insulating water tanks drops to the temperature of setting, controller control reflux valve is opened, heat-insulating water tanks is walked in the water route---the short circle loop of feed tank---feed water pump---heat exchanger.Warm water in the heat-insulating water tanks is transported to heat exchanger again by the spontaneous feed tank that flows to of gravity effect, makes water temperature remain on and requires on the temperature.
Further, feed tank is connected with water source from the beginning by water supply valve, goes up in limited time when arriving for the case water level, and controller control water supply valve is closed;
Further, be provided with second high water tank in the feed tank and take into account second temperature transducer, be provided with the three-tank liquid level in the heat-insulating water tanks and take into account three-temperature sensor, detected data transmission judges by controller whether temperature and liquid level in it reach the upper limit to controller.When the heat-insulating water tanks liquid level reaches in limited time, controller judges whether its water temperature also reaches the upper limit, if the heat-insulating water tanks temperature does not reach the upper limit, then reflux valve is opened, and water supply valve is closed simultaneously, and the water of heat-insulating water tanks injects feed tank, and by the water pump supercharging, be transported to heat exchanger, carry out secondary heat exchange, with the water temperature of further lifting heat-insulating water tanks.If water temperature also reaches the upper limit, illustrate that then the reclaiming system heat is saturated, feed water pump quits work, and water supply valve, feed valve, low, high-temperature water outlet valve are closed successively, and reclaiming system is closed.
Further, described heat exchanger adopts plate type heat exchanger, the better effects if that makes cooling.
The beneficial effects of the utility model:
1) native system air compressor oil circuit is provided with temperature transducer and cooling valve, when oil outlet temperature is high, oil is switched to reclaiming system carry out heat exchange, when if heat-exchange system oepration at full load oil temperature still is higher than demand, can open reclaiming system simultaneously and the former oil cooling system of air compressor cools off oil simultaneously, therefore adopt native system to greatest extent deaeration compressor high temperature jump the situation of machine;
2) in addition, the air compressor oil return also is provided with temperature transducer, and when returning-oil temperature＜70 ℃, the cooling valve is opened, and recovery valve is closed, and oil switches to original cooling system work.Because the former oil cooling system of air compressor has thermostat valve, can judge voluntarily whether oil needs through supercooling again to the main frame fuel feeding.Like this, guaranteed that air compressor oil works being higher than under its dew point temperature and the condition near dew point temperature, carried out the maximization of heat and reclaim, in the descend operating temperature of low air compressor of the prerequisite that prevents emulsion;
3) heat-insulating water tanks is equipped with temperature transducer, the water temperature that can on controller, show hot water tank in real time, when water temperature is reduced to 55 ℃, the reflux valve of hot water tank bottom is opened, water in the hot water tank is returned feed tank, make the water heating that can circulate finally to meet the requirements of temperature, guarantee that supply water temperature is not less than 55 ℃, exporting water temperature certainly can set;
4) when the water temperature of heat-insulating water tanks is higher than 70 ℃ (adjustable), if the heat-insulating water tanks water level rises to upper limit water level, then close reclaiming system, air compressor switches to original cooling system;
5) in heat-insulating water tanks and the feed tank liquid level sensor is installed respectively, the water level that on controller, shows water tank in real time, when cistern water level is between 4/5 water level and 1/2 water level, water level post color on the controller is green, Show Color is for red when being higher than maximum stage, and give the alarm, close the pump of corresponding water filling simultaneously.When water level is lower than 1/2 during greater than alarm water level (40cm), Show Color is yellow on the controller; Judge that the heat-insulating water tanks temperature does not reach the upper limit this moment, then opens reflux valve, otherwise judge that return water temperature is lower than setting value, then opens back-water valve (BWV), again otherwise, water supply valve is opened, and with timely moisturizing, prevents from cutting off the water supply; When water level≤alarm water level, the water level post color on the PLC is red, gives the alarm, and opens the cooling valve simultaneously automatically, closes recovery valve, and oil is switched the former oil cooling loop of air compressor of making the return trip empty;
6) move calculating in 20 hours every day according to air compressor, if three air compressors use above-mentioned reclaiming system, then when entering water temp is 5 ℃, can produce maximum 162 tons of the hot water amount who satisfies the employee every day; When entering water temp is 15 ℃, produce 195 tons of hot water daily.
Description of drawings
Fig. 1 is the utility model structural representation
Embodiment
As shown in Figure 1, structural representation of the present utility model, described air compressor heat reclaiming system comprises and the oil of air compressor 1, the heat exchanger 4 that gas separating device is connected; The water return pipeline 3 that is connected with the heat exchanger water intake; The supply channel 2 that is connected with the heat exchanger water outlet; Heat exchanger 4, water return pipeline 3 and supply channel 2 are by the controller control of air compressor 1.
Need to prove that be simplicity of illustration, the controller of air compressor does not illustrate; In order to make whole heat reclaiming system clearer, the utility model places original cooling system 100 in the machine outside the compressor, so that explanation.
After the high-temperature hot oil of air compressor 1 comes out from oil, gas separating device, close cooling valve 110, open recovery valve 120, simultaneously, open the first heat exchange valve 140 and the second heat exchange valve 150, throttle down 130, high-temperature hot oil enters heat exchanger 4, carry out heat exchange with the cold water of low temperature, thereby oil is cooled, water is heated.After heat exchange finished, the part of oil turned back to original oil-way system through the second heat exchange valve 150.When the hot water tank capacity is full, perhaps when reclaiming system needs clean and maintenance, cooling valve 110 on this loop will be opened automatically, recovery valve 120, the first heat exchange valve 140, the second heat exchange valve 150 are closed, valve 130 is opened, air compressor oil cools off through former oil cooling system, so, the operation of guaranteeing air compressor is not subjected to the influence that residual neat recovering system is safeguarded.
The water that is used for the cooling down high-temperature deep fat arrives heat exchanger 4 through water return pipeline 3, after the heat exchange, through supply channel 2 outputs.Wherein, water return pipeline 3 is provided with feed tank 300, feed water pump 301, feed valve 304, and the water inlet of feed tank 300 is connected with water source from the beginning, and water outlet is connected with feed water pump 301, and feed water pump 301 is connected with heat exchanger 4 by feed valve 304; Supply channel 2 is provided with water supply valve 205, first temperature transducer 202, high-temperature water outlet valve 203 and low temperature outlet valve 204, heat-insulating water tanks 200; Workflow is as follows:
When the recovery valve electricity of reclaiming system is opened, reclaiming system begins to start; The water source injects cold water in feed tank 300 from the beginning, and feed valve is opened simultaneously, and the water outlet stream of the self-supporting water tank 300 of cold water is as water return pipeline 3, and the mobile power that provides of water is provided feed water pump 301, makes the water route heat exchanger 4 of flowing through smoothly; Through with the heat exchange of high-temperature hot oil after, become hot water, flow into supply channel 2; Simultaneously, first temperature transducer 202 transfers to controller with detected temperature, judge by controller whether temperature meets the requirements of temperature, if do not meet the requirements of temperature, then low temperature outlet valve 204 is opened automatically, high-temperature water outlet valve 203 cuts out, and hot water enters feed tank 300 again, carries out the secondary cycle heating; When heat exchanger 4 outlet water temperatures reached the requirement temperature, hot water directly entered heat-insulating water tanks 200.
As preferred embodiment of the present utility model, connect by reflux valve 201 between feed tank 300 and the heat-insulating water tanks 200; Feed tank 300 and be provided with valve 303 from the beginning between the water source; Be provided with second high water tank in the feed tank 300 and take into account second temperature transducer, be provided with the three-tank liquid level in the heat-insulating water tanks 200 and take into account three-temperature sensor, detected data transmission judges by controller whether temperature and liquid level in it reach the upper limit to controller.When heat-insulating water tanks 200 liquid levels reach in limited time, controller judges whether its water temperature also reaches the upper limit, if heat-insulating water tanks 300 temperature do not reach the upper limit, then reflux valve 201 is opened, and water supply valve 203 is closed simultaneously, low temperature outlet valve 204 is opened, the water of heat-insulating water tanks 200 injects feed tank 300, and by feed water pump 301 superchargings, is transported to heat exchanger 4, carry out secondary heat exchange, with the water temperature of further lifting heat-insulating water tanks.If water temperature also reaches the upper limit, illustrate that then the reclaiming system heat is saturated, feed water pump 301 quits work, and water supply valve 205, feed valve 304, low temperature outlet valve 204, high-temperature water outlet valve 203 are closed successively, and reclaiming system is closed; The second high water tank meter in the feed tank 300 is same with working principle and the heat-insulating water tanks of second temperature transducer, when liquid level reaches in limited time, and throttle down 303 or reflux valve 201, otherwise open, when liquid level is prescribed a time limit less than following, valve 303 or reflux valve 201 unlatchings.
Need to prove, feed water pump 301 is identical with the Placement of water pump 302 in system, all adopt two identical water pump parallel connections after, each water pump has the mode of connecting with a valve respectively, the water pump one of this mode is equipped with a usefulness, when the required flow of system is big, frequency conversion of a power frequency, the user can arrange as required, when for example returning-oil temperature is spent greater than 70, the water pump speedup, when spending less than 50, water pump deceleration etc.
Certainly, more than the setting of all switches, parts and data, all have the controller of air compressor to finish.
Below only be the utility model preferred embodiment, all equivalents of doing on basis of the present utility model all belong to the scope that the utility model is protected.
Claims (8)
1. an air compressor heat reclaiming system is characterized in that, it comprises and the oil of air compressor, the heat exchanger that gas separating device is connected; The water return pipeline that is connected with the heat exchanger water intake; The supply channel that is connected with the heat exchanger water outlet; Heat exchanger, water return pipeline and supply channel are by the controller control of air compressor.
2. heat reclaiming system as claimed in claim 1 is characterized in that, described water return pipeline comprises feed tank, the feed water pump that is connected with the feed tank water outlet that is connected with water source from the beginning and is arranged on feed valve on the water return pipeline.
3. heat reclaiming system as claimed in claim 1 is characterized in that, described supply channel comprises the heat-insulating water tanks that is connected with the heat exchanger output terminal and is arranged on water supply valve on the supply channel.
4. heat reclaiming system as claimed in claim 3, it is characterized in that, also be provided with first temperature transducer, high-temperature water outlet valve and low temperature outlet valve on the described supply channel, first temperature transducer transfers to controller with temperature, judges by controller whether temperature meets the requirements of temperature, if do not meet the requirements of temperature, then the low temperature outlet valve is opened automatically, the high-temperature water outlet valve cuts out, and hot water enters feed tank again, carries out the secondary cycle heating; When the heat exchanger exit water temperature reached the requirement temperature, hot water directly entered heat-insulating water tanks.
5. as claim 3 or 4 described heat reclaiming systems, it is characterized in that, the below of described heat-insulating water tanks also is provided with reflux valve, the other end of reflux valve is connected with the water inlet of feed tank, when the hot water temperature in the heat-insulating water tanks drops to the temperature of setting, controller control reflux valve is opened, and cold water is through the water return pipeline inflow heat exchanger at feed tank place.
6. heat reclaiming system as claimed in claim 5, it is characterized in that, be provided with second high water tank in the described feed tank and take into account second temperature transducer, second high water tank take into account second temperature transducer with detected data transmission to controller, judge by controller whether temperature in it and liquid level reach the upper limit and handle.
7. heat reclaiming system as claimed in claim 5, it is characterized in that, be provided with the three-tank liquid level in the heat-insulating water tanks and take into account three-temperature sensor, the three-tank liquid level take into account three-temperature sensor with detected data transmission to controller, judge by controller whether temperature in it and liquid level reach the upper limit and handle.
8. as claim 1 to 4,6 or 7 described heat reclaiming systems, it is characterized in that described heat exchanger adopts plate type heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320117202 CN203175795U (en) | 2013-03-15 | 2013-03-15 | Heat recycling system of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320117202 CN203175795U (en) | 2013-03-15 | 2013-03-15 | Heat recycling system of air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203175795U true CN203175795U (en) | 2013-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320117202 Expired - Fee Related CN203175795U (en) | 2013-03-15 | 2013-03-15 | Heat recycling system of air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203175795U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344031A (en) * | 2018-03-28 | 2018-07-31 | 海安普豪生物能源有限公司 | It is a kind of to utilize the outer hot-water supply of marsh gas power generation waste heat |
| WO2019205581A1 (en) * | 2018-04-27 | 2019-10-31 | 苏州奥兰斯机械设备有限公司 | Heat recovery device for air compressor |
| CN113028881A (en) * | 2021-03-30 | 2021-06-25 | 韶关格美机械有限公司 | Heat energy recovery system of equipment |
-
2013
- 2013-03-15 CN CN 201320117202 patent/CN203175795U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344031A (en) * | 2018-03-28 | 2018-07-31 | 海安普豪生物能源有限公司 | It is a kind of to utilize the outer hot-water supply of marsh gas power generation waste heat |
| WO2019205581A1 (en) * | 2018-04-27 | 2019-10-31 | 苏州奥兰斯机械设备有限公司 | Heat recovery device for air compressor |
| CN113028881A (en) * | 2021-03-30 | 2021-06-25 | 韶关格美机械有限公司 | Heat energy recovery system of equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI LINUO PRECISION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHANGHAI SCHNEIDER-SUNSHINE MACHINERY (GROUP) CO., LTD. Effective date: 20140701 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200949 BAOSHAN, SHANGHAI TO: 201900 BAOSHAN, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140701 Address after: 201900 Shanghai District, Baoshan District, Shanghai Road, No. 3, district 9088, A459 Patentee after: Shanghai Linuo Precision Technology Co. Ltd. Address before: 200949 Shanghai City, Baoshan District Fanlu Shanghai No. 53 Patentee before: Shanghai Schneider0Sunshine Machinery Group Co., Ltd. |
|
| 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: 20130904 Termination date: 20160315 |