CN113931823A - Air compressor machine heat recovery system of recycling - Google Patents

Air compressor machine heat recovery system of recycling Download PDF

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Publication number
CN113931823A
CN113931823A CN202111357215.5A CN202111357215A CN113931823A CN 113931823 A CN113931823 A CN 113931823A CN 202111357215 A CN202111357215 A CN 202111357215A CN 113931823 A CN113931823 A CN 113931823A
Authority
CN
China
Prior art keywords
pipe
gas
lubricating oil
heat exchanger
oil
Prior art date
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.)
Pending
Application number
CN202111357215.5A
Other languages
Chinese (zh)
Inventor
刘畅
张忠华
杜东明
张厚昌
刘平升
孙忠义
范原
李名瀚
李钦进
许洪德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Riches Technology Dalian Co ltd
Yingkou Power Plant of Huaneng Power International Inc
Original Assignee
Riches Technology Dalian Co ltd
Yingkou Power Plant of Huaneng Power International Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Riches Technology Dalian Co ltd, Yingkou Power Plant of Huaneng Power International Inc filed Critical Riches Technology Dalian Co ltd
Priority to CN202111357215.5A priority Critical patent/CN113931823A/en
Publication of CN113931823A publication Critical patent/CN113931823A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/06Cooling; Heating; Prevention of freezing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/02Lubrication
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/16Filtration; Moisture separation

Abstract

The invention discloses a heat energy recycling system of an air compressor, wherein an air inlet is arranged on a compression host, an oil-gas pipe is arranged between the compression host and an oil-gas tank, a gas separation pipe is arranged between the oil-gas tank and a compressed air cooling system, a gas pipe is arranged between the compressed air cooling system and an aftertreatment drying system, a lubricating oil separation pipe is arranged between the oil-gas tank and the lubricating oil cooling system, a lubricating oil return pipe is arranged between the lubricating oil cooling system and the compression host, a gas inlet pipe and a gas outlet pipe are arranged between a gas heat exchanger and the gas separation pipe, a lubricating oil inlet pipe and a lubricating oil outlet pipe are arranged between the lubricating oil heat exchanger and the lubricating oil separation pipe, a cold side water inlet pipe is arranged on the gas heat exchanger, a cold side water outlet pipe is arranged on the lubricating oil heat exchanger, and a cooling water pipe is arranged between the gas heat exchanger and the lubricating oil heat exchanger. The heat energy recycling system of the air compressor can fully recycle and utilize heat energy generated by the air compressor during working.

Description

Air compressor machine heat recovery system of recycling
Technical Field
The invention discloses a heat energy recycling system of an air compressor, and belongs to the technical field of heat energy recycling.
Background
At present, the application of air compressors in China is very wide, the air compressors convert electric energy into mechanical energy and heat energy in the operation process, wherein the mechanical energy accounts for a small part, most of electric energy is converted into heat energy, the conversion of the electric energy and the heat energy consumed by the air compressors reaches 94%, the heat energy is processed by a cooling system and disappears in the air by radiation, waste is caused, and the environmental temperature is increased when the heat energy is processed by the cooling system and disappears in the air by radiation. Practice proves that when the environmental temperature rises by 1 ℃, the gas production of the air compressor is reduced by 0.5 percent, the temperature rises by 10 ℃, the gas production of the air compressor is reduced by 5 percent, and finally the working efficiency of the air compressor is reduced. In order to solve this problem, most users use closed cooling water cooling, but the cooling water temperature is great along with seasonal variation temperature difference, air compressor machine cooler is the standard configuration of leaving the factory simultaneously, cause the air compressor machine oil temperature when the cooling water temperature is high, outlet air temperature is high, the air compressor machine oil temperature height can be rotten with higher speed oil or even influence host computer safe operation, outlet air temperature height can cause the aftertreatment burden aggravation, aftertreatment operation energy consumption increases, to sum up can know, current air compressor machine heat recovery utilizes inadequately. Therefore, it is necessary to develop a heat recycling system for an air compressor to solve the above problem.
Disclosure of Invention
Therefore, the embodiment of the invention provides a heat energy recycling system of an air compressor, which aims to solve the problem that the existing air compressor is insufficient in heat energy recycling.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: a heat energy recycling system of an air compressor comprises a compression host, an oil gas tank, a compressed air cooling system, an aftertreatment drying system, a lubricating oil cooling system, a gas heat exchanger and a lubricating oil heat exchanger, wherein an air inlet is formed in the compression host, an oil gas pipe is arranged between the compression host and the oil gas tank, a gas separation pipe is arranged between the oil gas tank and the compressed air cooling system, a gas pipe is arranged between the compressed air cooling system and the aftertreatment drying system, a lubricating oil separation pipe is arranged between the oil gas tank and the lubricating oil cooling system, a lubricating oil return pipe is arranged between the lubricating oil cooling system and the compression host, a gas inlet pipe and a gas outlet pipe are arranged between the gas heat exchanger and the gas separation pipe, a lubricating oil inlet pipe and a lubricating oil outlet pipe are arranged between the lubricating oil heat exchanger and the lubricating oil separation pipe, a cold side water inlet pipe is arranged on the gas heat exchanger, a cold side water outlet pipe is arranged on the lubricating oil heat exchanger, and a cooling water pipe is arranged between the gas heat exchanger and the lubricating oil heat exchanger;
and a variable frequency water pump and an adjusting electric valve are sequentially arranged on the cold side water inlet pipe along the direction of the gas heat exchanger.
Preferably, a drain pipe is further arranged on the gas heat exchanger, a stop valve is arranged on the drain pipe, and a condensate water pre-drainer is arranged at the tail end of the drain pipe.
Preferably, a stop valve and a flowmeter are further arranged on the cold side water inlet pipe;
one end of the cooling water pipe close to the gas heat exchanger and one end of the cooling water pipe close to the lubricating oil heat exchanger are both provided with a stop valve and a flowmeter;
an oil detector, a stop valve and a flowmeter are sequentially arranged on the cold side water outlet pipe along the direction of the lubricating oil heat exchanger;
a stop valve and a flowmeter are sequentially arranged on the lubricating oil inlet pipe along the direction of the lubricating oil heat exchanger;
and a stop valve and a flowmeter are sequentially arranged at one end of the gas inlet pipe close to the gas heat exchanger.
Preferably, a stop valve and a flow meter are sequentially arranged on the lubricating oil outlet pipe along the direction of the lubricating oil heat exchanger, a three-way adjusting electric valve is further arranged on the lubricating oil outlet pipe, two openings of the three-way adjusting electric valve are connected to the lubricating oil outlet pipe, and a return oil pipe is arranged between a third opening of the three-way adjusting electric valve and the lubricating oil return pipe.
Preferably, a mechanical temperature control valve is arranged at one end, close to the oil gas tank, of the lubricating oil separation pipe, the mechanical temperature control valve is a three-way valve, two opposite openings of the mechanical temperature control valve are connected to the lubricating oil separation pipe, an engine oil filter is arranged at one end, close to the compression main machine, of the lubricating oil return pipe, and a lubricating oil pipe is arranged between the third opening of the mechanical temperature control valve and the engine oil filter.
Preferably, a three-way adjusting electric valve, a stop valve and a flowmeter are sequentially arranged on the gas outlet pipe along the direction of the gas heat exchanger, two opposite openings of the three-way adjusting electric valve are connected to the gas outlet pipe, and a gas drying pipe is arranged between the third opening of the three-way adjusting electric valve and the gas pipe.
Preferably, a stop valve is arranged on the gas separation pipe between the joints of the gas inlet pipe and the gas outlet pipe;
and a stop valve is arranged between the joints of the lubricating oil inlet pipe and the lubricating oil outlet pipe on the lubricating oil separation pipe.
Preferably, temperature sensors are arranged on the gas inlet pipe, the gas outlet pipe, the lubricating oil inlet pipe, the lubricating oil outlet pipe and the cold side water outlet pipe.
Preferably, the temperature inside the gas outlet tube is 40 ℃.
Preferably, the oil temperature at the outlet of the compression main machine is not lower than 80 ℃, and the water temperature passing through the lubricating oil heat exchanger is 6-8 ℃ lower than the oil inlet temperature.
The invention has at least the following advantages:
1. by arranging the gas heat exchanger, the lubricating oil heat exchanger and the pipeline system thereof, the heat energy released by the air compressor is fully recovered, and the recovered heat energy can reach more than 88% of the shaft power; the temperature of air at the outlet of the air compressor is effectively reduced, the pretreatment emission of condensed water in the compressed air is increased by more than 50%, the burden of a post-treatment system is reduced, and the purposes of energy conservation and emission reduction are achieved;
2. the gas heat exchanger and the lubricating oil heat exchanger are newly added, the water source is connected with the air and the oil in series and is independent, when the adjustment of an external cooling system consisting of the gas heat exchanger, the lubricating oil heat exchanger and a pipeline system of the lubricating oil heat exchanger is invalid, the three-way adjusting electric valve is automatically adjusted to a compressed air cooling system or a lubricating oil cooling system for cooling, and the problem of overhigh temperature is effectively avoided;
3. the environmental temperature is effectively reduced, and the gas production is increased;
4. the original cooling system stops working, so that 3-5% of the shaft power of the air compressor is saved, and the purpose of energy conservation is achieved;
5. and the condensate water pre-drainer is arranged, so that the load of the post-treatment system is reduced, and the energy consumption is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a schematic structural diagram of a heat energy recycling system of an air compressor according to the present invention;
wherein: 1-compressing the host; 101-an air inlet; 2-oil gas tank; 3-a compressed air cooling system; 4-post-treatment drying system; 5-lubricating oil cooling system; 6-gas heat exchanger; 7-a lube oil heat exchanger; 8-oil gas pipe; 9-a gas separation tube; 10-a gas pipe; 11-lube separator tube; 12-lube oil return line; 13-gas inlet pipe; 14-a gas outlet pipe; 15-lube inlet line; 16-lube outlet pipe; 17-cold side water inlet pipe; 18-cold side water outlet pipe; 19-a cooling water pipe; 20-a drain pipe; 21-a stop valve; 22-condensate pre-drainer; 23-a variable frequency water pump; 24-adjusting the electric valve; 25-a flow meter; 26-oil detector; 27-three-way regulating electric valve; 28-return line; 29-mechanical thermostatic valve; 30-an engine oil filter; 31-lubricating oil pipe; 32-gas drying tube; 33-temperature sensor.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a heat energy recycling system of an air compressor comprises a compression host machine 1, an oil gas tank 2, a compressed air cooling system 3, an after-treatment drying system 4, a lubricating oil cooling system 5, a gas heat exchanger 6 and a lubricating oil heat exchanger 7, wherein an air inlet 101 is arranged on the compression host machine 1, an oil gas pipe 8 is arranged between the compression host machine 1 and the oil gas tank 2, a gas separation pipe 9 is arranged between the oil gas tank 2 and the compressed air cooling system 3, a gas pipe 10 is arranged between the compressed air cooling system 3 and the after-treatment drying system 4, a lubricating oil separation pipe 11 is arranged between the oil gas tank 2 and the lubricating oil cooling system 5, a lubricating oil return pipe 12 is arranged between the lubricating oil cooling system 5 and the compression host machine 1, a gas inlet pipe 13 and a gas outlet pipe 14 are arranged between the gas heat exchanger 6 and the gas separation pipe 9, a lubricating oil inlet pipe 15 and a lubricating oil outlet pipe 16 are arranged between the lubricating oil heat exchanger 7 and the lubricating oil separating pipe 11, a cold side water inlet pipe 17 is arranged on the gas heat exchanger 6, a cold side water outlet pipe 18 is arranged on the lubricating oil heat exchanger 7, and a cooling water pipe 19 is arranged between the gas heat exchanger 6 and the lubricating oil heat exchanger 7;
a variable frequency water pump 23 and an adjusting electric valve 24 are sequentially arranged on the cold side water inlet pipe 17 along the direction of the gas heat exchanger 6;
the gas heat exchanger 6 is also provided with a drain pipe 20, the drain pipe 20 is provided with a stop valve 21, and the tail end of the drain pipe 20 is provided with a condensed water pre-drainer 22 so as to reduce the load of an aftertreatment system;
the cold side water inlet pipe 17 is also provided with a stop valve 21 and a flowmeter 25;
one end of the cooling water pipe 19 close to the gas heat exchanger 6 and one end of the cooling water pipe 19 close to the lubricating oil heat exchanger 7 are both provided with a stop valve 21 and a flow meter 25;
an oil detector 26, a stop valve 21 and a flowmeter 25 are sequentially arranged on the cold side water outlet pipe 18 along the direction of the lubricating oil heat exchanger 7;
a stop valve 21 and a flow meter 25 are sequentially arranged on the lubricating oil inlet pipe 15 along the direction of the lubricating oil heat exchanger 7;
a stop valve 21 and a flow meter 25 are sequentially arranged on the lubricating oil outlet pipe 16 along the direction of the lubricating oil heat exchanger 7, a three-way adjusting electric valve 27 is further arranged on the lubricating oil outlet pipe 16, two openings of the three-way adjusting electric valve 27 are connected to the lubricating oil outlet pipe 16, and a return oil pipe 28 is arranged between the third opening of the three-way adjusting electric valve 27 and the lubricating oil return pipe 12;
a mechanical temperature control valve 29 is arranged at one end, close to the oil gas tank 2, of the lubricating oil separation pipe 11, the mechanical temperature control valve 29 is a three-way valve, two opposite openings of the mechanical temperature control valve 29 are connected to the lubricating oil separation pipe 11, an oil filter 30 is arranged at one end, close to the compression main machine 1, of the lubricating oil return pipe 12, and a lubricating oil pipe 31 is arranged between a third opening of the mechanical temperature control valve 29 and the oil filter 30;
a three-way adjusting electric valve 27, a stop valve 21 and a flowmeter 25 are sequentially arranged on the gas outlet pipe 14 along the direction of the gas heat exchanger 6, two opposite openings of the three-way adjusting electric valve 27 are connected to the gas outlet pipe 14, and a gas drying pipe 32 is arranged between the third opening of the three-way adjusting electric valve 27 and the gas pipe 10;
a stop valve 21 and a flow meter 25 are sequentially arranged at one end of the gas inlet pipe 13 close to the gas heat exchanger 6;
a stop valve 21 is arranged between the joints of the gas inlet pipe 13 and the gas outlet pipe 14 on the gas separation pipe 9;
a stop valve 21 is arranged between joints of the lubricating oil inlet pipe 15 and the lubricating oil outlet pipe 16 on the lubricating oil separation pipe 11;
the gas inlet pipe 13, the gas outlet pipe 14, the lubricating oil inlet pipe 15, the lubricating oil outlet pipe 16 and the cold-side water outlet pipe 18 are all provided with temperature sensors 33;
the temperature in the gas outlet pipe 14 is generally about 40 ℃ and is not lower than 3 ℃ (the freezing phenomenon caused by the air entering the post-treatment device is prevented), and the water temperature passing through the gas heat exchanger 6 is generally increased by 3 ℃;
the oil temperature at the outlet of the compression main machine 1 cannot be lower than 80 ℃, the optimal temperature range of the oil temperature at the outlet of the compression main machine 1 is 90 +/-5 ℃, and the water temperature passing through the lubricating oil heat exchanger 7 is generally lower than the oil inlet temperature by 6-8 ℃;
the general moisturizing mode of thermal power plant is the oxygen-eliminating device moisturizing, and the heat energy that compression host computer 1 released in the work process is whole to be recycled, and not enough part is through original moisturizing heating. The deaerator has strict requirements on water quality, an oil detector 26 is required to be additionally arranged on the water outlet side, the measurement precision is 15ppm, and the response time is less than 5 sec;
the control concept is as follows:
the temperature sensor 33 on the high-temperature hot oil outlet lubricating oil inlet pipe 15 is linked with the variable-frequency water feeding pump 23 to perform variable-frequency operation in one interval, the water feeding amount is finely adjusted by adjusting the electric valve 24, the temperature is ensured to be at a set value, and meanwhile, the variable-frequency water feeding pump 23 is prevented from performing pressure-building operation;
the temperature of the cooling water in winter and summer is greatly changed in a range of 3-35 ℃, the temperature in the lubricating oil inlet pipe 15 is preferentially ensured to be in a set range, and meanwhile, the indoor environment temperature is selected to ensure that the temperature in the gas outlet pipe 14 is operated below 10 ℃ below the room temperature as much as possible;
the gas heat exchanger 6 and the lubricating oil heat exchanger 7 are independently arranged in series, and when the adjusting means cannot be met, part of the gas heat exchanger 6 and part of the lubricating oil heat exchanger 7 are closed or opened;
controlling and adjusting principles:
the temperature sensor 33 on the lubricating oil inlet pipe 15 is linked with the variable frequency water pump 23 to operate in a variable frequency mode in one interval;
the electric valve 24 is adjusted to finely adjust the water supply quantity, and the temperature of the temperature sensor 33 on the gas outlet pipe 14 is taken into consideration;
the partial gas heat exchanger 6 and the lubricating oil heat exchanger 7 are closed or opened for adjustment again.
If the outlet water temperature needs to be ensured, the temperature sensor 33 on the lubricating oil inlet pipe 15 and the temperature sensor 33 on the gas outlet pipe 14 need to be ensured to be in a standard range, and the control and adjustment principle can be the same by taking the temperature sensor 33 on the cold side outlet pipe 18 as a reference.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (10)

1. A heat energy recycling system of an air compressor comprises a compression main machine (1), an oil-gas tank (2), a compressed air cooling system (3), an after-treatment drying system (4) and a lubricating oil cooling system (5), wherein an air inlet (101) is formed in the compression main machine (1), an oil-gas pipe (8) is arranged between the compression main machine (1) and the oil-gas tank (2), a gas separation pipe (9) is arranged between the oil-gas tank (2) and the compressed air cooling system (3), a gas pipe (10) is arranged between the compressed air cooling system (3) and the after-treatment drying system (4), a lubricating oil separation pipe (11) is arranged between the oil-gas tank (2) and the lubricating oil cooling system (5), and a lubricating oil return pipe (12) is arranged between the oil-cooling lubricating system (5) and the compression main machine (1), the lubricating oil heat exchanger is characterized by further comprising a gas heat exchanger (6) and a lubricating oil heat exchanger (7), wherein a gas inlet pipe (13) and a gas outlet pipe (14) are arranged between the gas heat exchanger (6) and the gas separation pipe (9), a lubricating oil inlet pipe (15) and a lubricating oil outlet pipe (16) are arranged between the lubricating oil heat exchanger (7) and the lubricating oil separation pipe (11), a cold-side water inlet pipe (17) is arranged on the gas heat exchanger (6), a cold-side water outlet pipe (18) is arranged on the lubricating oil heat exchanger (7), and a cooling water pipe (19) is arranged between the gas heat exchanger (6) and the lubricating oil heat exchanger (7);
and a variable frequency water pump (23) and an adjusting electric valve (24) are sequentially arranged on the cold side water inlet pipe (17) along the direction of the gas heat exchanger (6).
2. The air compressor heat energy recycling system according to claim 1, wherein a drain pipe (20) is further arranged on the gas heat exchanger (6), a stop valve (21) is arranged on the drain pipe (20), and a condensed water pre-drainer (22) is arranged at the tail end of the drain pipe (20).
3. The air compressor heat energy recycling system as claimed in claim 1, wherein a stop valve (21) and a flow meter (25) are further arranged on the cold side water inlet pipe (17);
a stop valve (21) and a flow meter (25) are arranged at one end of the cooling water pipe (19) close to the gas heat exchanger (6) and one end of the cooling water pipe close to the lubricating oil heat exchanger (7);
an oil detector (26), a stop valve (21) and a flowmeter (25) are sequentially arranged on the cold side water outlet pipe (18) along the direction of the lubricating oil heat exchanger (7);
a stop valve (21) and a flow meter (25) are sequentially arranged on the lubricating oil inlet pipe (15) along the direction of the lubricating oil heat exchanger (7);
and a stop valve (21) and a flow meter (25) are sequentially arranged at one end of the gas inlet pipe (13) close to the gas heat exchanger (6).
4. The heat energy recycling system of the air compressor as claimed in claim 1, wherein the lubricant outlet pipe (16) is sequentially provided with a stop valve (21) and a flow meter (25) along the direction of the lubricant heat exchanger (7), the lubricant outlet pipe (16) is further provided with a three-way adjusting electric valve (27), two openings of the three-way adjusting electric valve (27) are connected to the lubricant outlet pipe (16), and a return oil pipe (28) is arranged between a third opening of the three-way adjusting electric valve (27) and the lubricant return pipe (12).
5. The heat energy recycling system of the air compressor as claimed in claim 1, wherein a mechanical thermostat valve (29) is disposed at one end of the lubricating oil separation pipe (11) close to the oil gas tank (2), the mechanical thermostat valve (29) is a three-way valve, two opposite openings of the mechanical thermostat valve (29) are connected to the lubricating oil separation pipe (11), an oil filter (30) is disposed at one end of the lubricating oil return pipe (12) close to the main compressor (1), and a lubricating oil pipe (31) is disposed between a third opening of the mechanical thermostat valve (29) and the oil filter (30).
6. The air compressor heat energy recycling system of claim 1, wherein a three-way adjusting electric valve (27), a stop valve (21) and a flow meter (25) are sequentially arranged on the gas outlet pipe (14) along the direction of the gas heat exchanger (6), two opposite openings of the three-way adjusting electric valve (27) are connected to the gas outlet pipe (14), and a gas drying pipe (32) is arranged between the third opening of the three-way adjusting electric valve (27) and the gas pipe (10).
7. The air compressor heat energy recycling system as claimed in claim 1, characterized in that a stop valve (21) is arranged on the gas separation pipe (9) between the joints of the gas inlet pipe (13) and the gas outlet pipe (14);
and a stop valve (21) is arranged between joints of the lubricating oil inlet pipe (15) and the lubricating oil outlet pipe (16) on the lubricating oil separation pipe (11).
8. The air compressor heat energy recycling system as claimed in claim 1, wherein the gas inlet pipe (13), the gas outlet pipe (14), the lubricant inlet pipe (15), the lubricant outlet pipe (16) and the cold side outlet pipe (18) are all provided with temperature sensors (33).
9. The air compressor heat energy recycling system as claimed in claim 1, wherein the temperature inside the gas outlet pipe (14) is 40 ℃.
10. The air compressor heat energy recycling system as claimed in claim 1, wherein the temperature of the oil at the outlet of the main compressor (1) is not lower than 80 ℃, and the temperature of the water passing through the lubricating oil heat exchanger (7) is 6-8 ℃ lower than the temperature of the oil inlet.
CN202111357215.5A 2021-11-16 2021-11-16 Air compressor machine heat recovery system of recycling Pending CN113931823A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111357215.5A CN113931823A (en) 2021-11-16 2021-11-16 Air compressor machine heat recovery system of recycling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111357215.5A CN113931823A (en) 2021-11-16 2021-11-16 Air compressor machine heat recovery system of recycling

Publications (1)

Publication Number Publication Date
CN113931823A true CN113931823A (en) 2022-01-14

Family

ID=79286754

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111357215.5A Pending CN113931823A (en) 2021-11-16 2021-11-16 Air compressor machine heat recovery system of recycling

Country Status (1)

Country Link
CN (1) CN113931823A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101587027A (en) * 2009-06-23 2009-11-25 上海理工大学 System for testing heat-transfer performance of gas-water-oil heat interchanger
CN103573635A (en) * 2013-10-14 2014-02-12 杭州山立净化设备股份有限公司 Oil gas double heat recovery system
CN211096235U (en) * 2019-11-12 2020-07-28 诸城市铭品食品机械有限公司 Steam-gas mixing sterilization kettle
CN211623643U (en) * 2019-10-26 2020-10-02 辽宁金碳碳管理有限责任公司 Waste heat recovery system of air compressor
CN212429192U (en) * 2020-08-21 2021-01-29 亿利洁能科技有限公司 Heat recovery system of air compressor
CN113530830A (en) * 2021-06-25 2021-10-22 万众热工科技(广州)有限公司 Dry-type does not have oily screw compressor machine heat recovery management system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101587027A (en) * 2009-06-23 2009-11-25 上海理工大学 System for testing heat-transfer performance of gas-water-oil heat interchanger
CN103573635A (en) * 2013-10-14 2014-02-12 杭州山立净化设备股份有限公司 Oil gas double heat recovery system
CN211623643U (en) * 2019-10-26 2020-10-02 辽宁金碳碳管理有限责任公司 Waste heat recovery system of air compressor
CN211096235U (en) * 2019-11-12 2020-07-28 诸城市铭品食品机械有限公司 Steam-gas mixing sterilization kettle
CN212429192U (en) * 2020-08-21 2021-01-29 亿利洁能科技有限公司 Heat recovery system of air compressor
CN113530830A (en) * 2021-06-25 2021-10-22 万众热工科技(广州)有限公司 Dry-type does not have oily screw compressor machine heat recovery management system

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