CN112360745A - Air compressor machine waste heat recovery device suitable for chemical plant - Google Patents
Air compressor machine waste heat recovery device suitable for chemical plant Download PDFInfo
- Publication number
- CN112360745A CN112360745A CN202011247100.6A CN202011247100A CN112360745A CN 112360745 A CN112360745 A CN 112360745A CN 202011247100 A CN202011247100 A CN 202011247100A CN 112360745 A CN112360745 A CN 112360745A
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- Prior art keywords
- pipe
- air compressor
- water
- oil
- waste heat
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/021—Control systems for the circulation of the lubricant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/026—Lubricant separation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/042—Heating; Cooling; Heat insulation by injecting a fluid
Abstract
The invention discloses an air compressor waste heat recovery device suitable for a chemical plant, which comprises an air compressor and a water tank, wherein the air compressor is connected with an oil-gas separator, an oil supply pipe is connected between the oil outlet end of the oil-gas separator and the oil inlet end of the air compressor, the oil supply pipe is connected with an oil outlet pipe and an oil inlet pipe, an oil switching valve is arranged on the oil supply pipe between the oil outlet pipe and the oil inlet pipe, the oil outlet pipe and the oil inlet pipe are respectively connected with the waste heat recovery machine, the waste heat recovery machine adopts a high finned tube disc type heat exchange device, the waste heat recovery machine is provided with a hot water pipe and a cold water pipe, the water tank is connected with a tank body pipe, the hot water pipe and the cold water pipe are connected. The device can reduce the operating temperature of air compressor machine, reduces the appearance of the machine trouble condition, prolongs the life of equipment, reduces cost of maintenance.
Description
Technical Field
The invention relates to the technical field of heat circulating devices, in particular to an air compressor waste heat recovery device suitable for a chemical plant.
Background
The working flow of the existing screw type air compressor is as follows: air is introduced into an air inlet filter to filter dust or impurities in the air, then enters a compressor main engine through an air inlet control valve, is mixed with sprayed cooling lubricating oil in the compression process, and compressed mixed gas is discharged into an oil-gas separation tank from a compression cavity to respectively obtain high-temperature and high-pressure oil and gas. Because of the requirement of the working temperature of the machine, the oil and gas with high temperature and high pressure must be sent into respective cooling systems, wherein the compressed air is finally sent into a using system after being cooled by a cooler; and the high-temperature and high-pressure lubricating oil is cooled by the cooler and then returns to the oil circuit to enter the next round of circulation. In the above process, the heat carried by the oil and gas with high temperature and high pressure is about 3/4 of the power of the air compressor, and the temperature is usually between 80 ℃ and 100 ℃.
Due to the particularity of the chemical plant, the annual operation time of the air compressor is long. In the process that the screw air compressor cools high-temperature and high-pressure oil and gas through a heat dissipation system of the screw air compressor, a large amount of heat energy is wasted in an endless mode. In order to fully utilize the waste heat generated by the screw air compressor and cool the high-temperature and high-pressure gas generated by the screw air compressor, a device for utilizing the waste heat of the air compressor is needed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the waste heat recovery device of the air compressor, which is suitable for a chemical plant, and can reduce the working temperature of the air compressor, reduce the occurrence of machine faults, prolong the service life of equipment and reduce the maintenance cost.
In order to achieve the purpose, the air compressor waste heat recovery device suitable for the chemical plant comprises an air compressor and a water tank, wherein the air compressor is connected with an oil-gas separator, an oil supply pipe is connected between an oil outlet end of the oil-gas separator and an oil inlet end of the air compressor, the oil supply pipe is connected with an oil outlet pipe and an oil inlet pipe, an oil-liquid switching valve is arranged on the oil supply pipe between the oil outlet pipe and the oil inlet pipe, the oil outlet pipe and the oil inlet pipe are respectively connected onto the waste heat recovery machine, the waste heat recovery machine adopts a high finned tube disc type heat exchange device, a hot water pipe and a cold water pipe are arranged on the waste heat recovery machine, the water tank is connected with a tank body pipe, the hot water pipe and the cold water pipe are connected onto.
Furthermore, a hot water valve and a cold water valve are respectively arranged on the hot water pipe and the cold water pipe, and a tank body valve is arranged on the tank body pipe.
Furthermore, one end of the box body pipe, which is far away from the cold water pipe, is connected with a water inlet pipe, the water inlet pipe is arranged on the outer side of the hot water pipe, the water inlet pipe is connected with a tap water pipe and a bathroom water return pipe, the tap water pipe is provided with a tap water valve, the bathroom water return pipe is provided with a bathroom water return valve, and the water inlet pipe is further provided with a first microcomputer control valve.
Furthermore, a bathroom water supply pipe is arranged on the water tank, a bathroom pipe network is connected to the bathroom water supply pipe, a bathroom water supply valve is arranged on the bathroom water supply pipe, and a blower unit is connected in series to the bathroom water supply pipe.
Furthermore, a second microcomputer control valve is connected in parallel on the blower unit.
Furthermore, a heating pipe set is arranged in the box body pipe, a heating pipeline is connected to the heating pipe set, a steam source is connected to the heating pipeline, a steam valve is arranged on the heating pipeline, and a third microcomputer control valve is further arranged on the heating pipeline.
Furthermore, a drain pipe is connected on the water tank, and a drain valve is arranged on the drain pipe.
Furthermore, a tank body safety valve is arranged on the water tank.
Furthermore, a tap water safety valve is arranged on the tap water pipe.
The waste heat recovery device of the air compressor, which is suitable for the chemical plant, can reduce the working temperature of the air compressor, reduce the occurrence of machine fault conditions, prolong the service life of equipment, reduce the maintenance cost, prolong the replacement time limit of engine oil, an engine oil separator and an oil/gas separator and correspondingly prolong the replacement time limit of the equipment.
Drawings
The present invention will be further described and illustrated with reference to the following drawings.
Fig. 1 is a schematic diagram of an air compressor waste heat recovery device suitable for a chemical plant according to a preferred embodiment of the present invention.
Reference numerals: 1. an air compressor; 2. a water tank; 21. a tank pipe; 22. a tank valve; 23. a blow-off pipe; 231. a blowoff valve; 24. a tank safety valve; 3. an oil-liquid separator; 31. an oil supply pipe; 32. an oil outlet pipe; 33. an oil inlet pipe; 34. an oil switching valve; 35. a water inlet pipe; 351. a first microcomputer control valve; 36. a tap water pipe; 361. a tap water valve; 362. a tap water safety valve; 37. a water return pipe of the bathroom; 371. a bathroom water return valve; 4. a waste heat recovery machine; 41. a hot water pipe; 411. a hot water valve; 42. a cold water pipe; 421. a cold water valve; 43. a cold and hot water switching valve; 5. a bathroom water supply pipe; 51. a bathroom water supply valve; 52. a blower unit; 53. a second microcomputer control valve; 6. a heating pipe group; 61. heating the pipeline; 62. a source of steam; 63. a steam valve; 64. a third microcomputer control valve.
Detailed Description
The technical solution of the present invention will be more clearly and completely explained by the description of the preferred embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1, the waste heat recovery device of the air compressor 1 suitable for the chemical plant according to the preferred embodiment of the present invention includes an air compressor 1 and a water tank 2, and the air compressor 1 is connected with an oil-gas separator 3.
An oil supply pipe 31 is connected between the oil outlet end of the oil-liquid separator 3 and the oil inlet end of the air compressor 1, an oil outlet pipe 32 and an oil inlet pipe 33 are connected to the oil supply pipe 31, an oil switching valve 34 is arranged on the oil supply pipe 31 between the oil outlet pipe 32 and the oil inlet pipe 33, and the oil outlet pipe 32 and the oil inlet pipe 33 are respectively connected to the waste heat recovery machine 4.
The waste heat recovery machine 4 adopts a high finned tube disc type heat exchange device, a hot water pipe 41 and a cold water pipe 42 are arranged on the waste heat recovery machine 4, a hot water valve 411 and a cold water valve 421 are respectively arranged on the hot water pipe 41 and the cold water pipe 42, the hot water pipe 41 is connected to one side close to the water tank 2, and a cold and hot water switching valve 43 is arranged between the hot water pipe 41 and the cold water pipe 42.
The water tank 2 is connected with a tank body pipe 21, a hot water pipe 41 and a cold water pipe 42 are connected with the tank body pipe 21, and a tank body valve 22 is arranged on the tank body pipe 21. The water tank 2 is connected with a drain pipe 23, and the drain pipe 23 is provided with a drain valve 231. The water tank 2 is provided with a tank body safety valve 24.
The end of the tank pipe 21 far away from the cold water pipe 42 is connected with a water inlet pipe 35, and the water inlet pipe 35 is arranged outside the hot water pipe 41. The water inlet pipe 35 is connected with a tap water pipe 36 and a bathroom water return pipe 37, the tap water pipe 36 is provided with a tap water valve 361, and the tap water pipe 36 is provided with a tap water safety valve 362 and a heating pipeline. The bathroom water return pipe 37 is provided with a bathroom water return valve 371, and the water inlet pipe 35 is also provided with a first microcomputer control valve 351.
The water tank 2 is provided with a bathroom water supply pipe 5, the bathroom water supply pipe 5 is connected with a bathroom pipe network, the bathroom water supply pipe 5 is provided with a bathroom water supply valve 51, and the bathroom water supply pipe 5 is connected with a blower unit 52 in series. The blower unit 52 is connected in parallel with a second microcomputer control valve 53.
The heating pipe set 6 is arranged in the box body pipe 21, the heating pipe set 6 is connected with a heating pipeline 61, the heating pipeline 61 is connected with a steam source 62, the heating pipeline 61 is provided with a steam valve 63, and the heating pipeline 61 is further provided with a third microcomputer control valve 64.
The original cooling system and the waste heat utilization technology of the air compressor are two completely independent systems, and a user does not need to worry about the influence on the operation of the air compressor due to the system. The switching of the two systems is controlled by an electromagnetic valve, and when the waste heat utilization system is not started, the air compressor uses a machine body self-contained cooling system; when the waste heat utilization system is started, the electromagnetic valve is automatically switched to the waste heat utilization system; when the waste heat utilization system breaks down, the power supply of the system is cut off, and the original cooling system of the air compressor can be used. When the heat-preservation water tank is not full, the water is supplied by using the water pressure of tap water, and the circulating water pump is started only when the water tank is full, so that the energy can be saved to the maximum extent. Full automatic control system need not artificial operation, and control system can make the judgement according to the condition of temperature, water level, and the cooling method waste heat recovery heating system and the original steam heating system of deciding heat transfer mode and air compressor machine by oneself can freely switch. When the air compressor machine is shut down or fails, the original steam system can be switched to, and hot water is guaranteed to be produced in the water tank all the time.
Rated gas production per minute m of air compressor set3Min is determined by measuring the temperature of 80 ℃ and the gas production m of the air compressor3The/min is reduced along with the increase of the operating temperature of the unit, the gas production is reduced by 0.5 percent when the temperature is increased by 1 percent, and the gas production is reduced by 5 percent when the temperature is increased by 10 percent. The air compressor unit is provided with the air compressor waste heat recovery device suitable for the chemical plant, and can improve the performance of the air compressor unit, wherein the general air-cooled heat-dissipation air compressors operate at 88-96 ℃, the amplitude reduction is 4-8%, the summer is more serious, the air compressor waste heat utilization device can sufficiently reduce the temperature of the air compressor by 8-12 ℃, and the actual measurement shows that the air compressor waste heat recovery device suitable for the air compressor of the chemical plant is installed, so that the air compressor unit can be improvedThe gas generation amount is 8%.
The waste heat recovery device of the air compressor, which is suitable for the chemical plant, can reduce the working temperature of the air compressor, reduce the occurrence of machine fault conditions, prolong the service life of equipment, reduce the maintenance cost, increase the replacement time limit of engine oil, an engine oil separator and an oil/gas separator, and correspondingly prolong the replacement time limit of the equipment.
The above detailed description merely describes preferred embodiments of the present invention and does not limit the scope of the invention. Without departing from the spirit and scope of the present invention, it should be understood that various changes, substitutions and alterations can be made herein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents. The scope of the invention is defined by the claims.
Claims (9)
1. The utility model provides an air compressor machine waste heat recovery device suitable for chemical plant, includes air compressor machine and water tank, its characterized in that, be connected with oil and gas separator on the air compressor machine, be connected with between the oil feed end of oil and gas separator's the end of producing oil and air compressor machine and supply oil pipe, supply oil pipe to be connected with out oil pipe and advance oil pipe, it is equipped with the fluid diverter valve on the oil pipe to produce oil pipe and the oil pipe that supplies between the oil pipe, it connects respectively on the waste heat recovery machine with advancing oil pipe to go out oil pipe, the waste heat recovery machine adopts high finned tube disk heat transfer device, be equipped with hot-water line and cold water pipe on the waste heat recovery machine, be connected with the tank siphunculus on the water tank, hot-water line and cold water union coupling are on the tank.
2. The air compressor waste heat recovery device suitable for the chemical plant as claimed in claim 1, wherein a hot water valve and a cold water valve are respectively arranged on the hot water pipe and the cold water pipe, and a tank valve is arranged on the tank pipe.
3. The air compressor waste heat recovery device suitable for the chemical plant as claimed in claim 1, wherein a water inlet pipe is connected to an end of the tank pipe away from the cold water pipe, the water inlet pipe is arranged outside the hot water pipe, a tap water pipe and a bathroom water return pipe are connected to the water inlet pipe, a tap water valve is arranged on the tap water pipe, a bathroom water return valve is arranged on the bathroom water return pipe, and a first microcomputer control valve is further arranged on the water inlet pipe.
4. The air compressor waste heat recovery device suitable for the chemical plant as claimed in claim 1, wherein a bathroom water supply pipe is arranged on the water tank, a bathroom pipe network is connected to the bathroom water supply pipe, a bathroom water supply valve is arranged on the bathroom water supply pipe, and a blower unit is connected in series to the bathroom water supply pipe.
5. The air compressor waste heat recovery device suitable for chemical plants of claim 4, wherein the blower set is connected in parallel with a second microcomputer control valve.
6. The air compressor waste heat recovery device suitable for chemical plants as claimed in claim 1, wherein a heating pipe set is arranged in the tank pipe, a heating pipeline is connected to the heating pipe set, a steam source is connected to the heating pipeline, a steam valve is arranged on the heating pipeline, and a third microcomputer control valve is further arranged on the heating pipeline.
7. The air compressor waste heat recovery device suitable for the chemical plant as claimed in claim 1, wherein a drain pipe is connected to the water tank, and a drain valve is arranged on the drain pipe.
8. The air compressor waste heat recovery device suitable for the chemical plant as claimed in claim 1, wherein the tank is provided with a tank safety valve.
9. The air compressor waste heat recovery device suitable for the chemical plant as claimed in claim 3, wherein a tap water safety valve is arranged on the tap water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011247100.6A CN112360745A (en) | 2020-11-10 | 2020-11-10 | Air compressor machine waste heat recovery device suitable for chemical plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011247100.6A CN112360745A (en) | 2020-11-10 | 2020-11-10 | Air compressor machine waste heat recovery device suitable for chemical plant |
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| Publication Number | Publication Date |
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| CN112360745A true CN112360745A (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011247100.6A Pending CN112360745A (en) | 2020-11-10 | 2020-11-10 | Air compressor machine waste heat recovery device suitable for chemical plant |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN203394709U (en) * | 2013-07-10 | 2014-01-15 | 山西铭鑫隆煤矿机械设备有限公司 | Waste heat conversion system |
| CN204677440U (en) * | 2015-03-17 | 2015-09-30 | 上海嘉捷通电路科技有限公司 | The pre-heat recovery system of a kind of screw air compressor |
| CN207278458U (en) * | 2017-10-10 | 2018-04-27 | 总立机电工程（苏州）有限公司 | Air compression system waste heat recovery apparatus |
| CN207513841U (en) * | 2017-11-15 | 2018-06-19 | 秦皇岛立中车轮有限公司 | A kind of residual heat of air compressor recycles energy conserving system |
| CN108286518A (en) * | 2018-02-13 | 2018-07-17 | 东莞智源彩印有限公司 | A kind of screw air compressor waste heat recycling system and waste heat recycle method |
| CN207935045U (en) * | 2017-12-27 | 2018-10-02 | 山东美天能源科技有限公司 | High-efficiency antiscaling thermostatic type waste heat recovery system of air compressor |
| CN210397115U (en) * | 2019-08-06 | 2020-04-24 | 辽宁华融富瑞新能源科技股份有限公司 | Air compressor machine waste heat recovery sled dress device |
| CN210799287U (en) * | 2019-11-18 | 2020-06-19 | 山东美天能源科技有限公司 | Novel high-efficient scale control thermostatic type air compressor machine waste heat recovery system |
-
2020
- 2020-11-10 CN CN202011247100.6A patent/CN112360745A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN203394709U (en) * | 2013-07-10 | 2014-01-15 | 山西铭鑫隆煤矿机械设备有限公司 | Waste heat conversion system |
| CN204677440U (en) * | 2015-03-17 | 2015-09-30 | 上海嘉捷通电路科技有限公司 | The pre-heat recovery system of a kind of screw air compressor |
| CN207278458U (en) * | 2017-10-10 | 2018-04-27 | 总立机电工程（苏州）有限公司 | Air compression system waste heat recovery apparatus |
| CN207513841U (en) * | 2017-11-15 | 2018-06-19 | 秦皇岛立中车轮有限公司 | A kind of residual heat of air compressor recycles energy conserving system |
| CN207935045U (en) * | 2017-12-27 | 2018-10-02 | 山东美天能源科技有限公司 | High-efficiency antiscaling thermostatic type waste heat recovery system of air compressor |
| CN108286518A (en) * | 2018-02-13 | 2018-07-17 | 东莞智源彩印有限公司 | A kind of screw air compressor waste heat recycling system and waste heat recycle method |
| CN210397115U (en) * | 2019-08-06 | 2020-04-24 | 辽宁华融富瑞新能源科技股份有限公司 | Air compressor machine waste heat recovery sled dress device |
| CN210799287U (en) * | 2019-11-18 | 2020-06-19 | 山东美天能源科技有限公司 | Novel high-efficient scale control thermostatic type air compressor machine waste heat recovery system |
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Application publication date: 20210212 |
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| RJ01 | Rejection of invention patent application after publication |