CN114076100A - Heat recovery system of air compressor - Google Patents
Heat recovery system of air compressor Download PDFInfo
- Publication number
- CN114076100A CN114076100A CN202010848984.4A CN202010848984A CN114076100A CN 114076100 A CN114076100 A CN 114076100A CN 202010848984 A CN202010848984 A CN 202010848984A CN 114076100 A CN114076100 A CN 114076100A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- communicated
- cooler
- air compressor
- 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
Links
- 238000011084 recovery Methods 0.000 title claims abstract description 13
- 239000010687 lubricating oil Substances 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000000926 separation method Methods 0.000 claims abstract description 27
- 238000011033 desalting Methods 0.000 claims abstract description 4
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 9
- 239000003245 coal Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 40
- 239000000203 mixture Substances 0.000 description 9
- 238000001816 cooling Methods 0.000 description 7
- 239000000498 cooling water Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compressor (AREA)
Abstract
The invention relates to a heat recovery system of an air compressor, which comprises an air compressor head, an oil-gas separation barrel, a compressed air cooler, a lubricating oil cooler, an air storage tank and a demineralized water tank, wherein the air compressor head is connected with the oil-gas separation barrel; the oil-gas separation barrel is communicated with the compressed air cooler through a first pipeline; the oil-gas separation barrel is communicated with the lubricating oil cooler through a second pipeline; the oil-gas separation barrel is communicated with the air compressor head through a third pipeline; the lubricating oil cooler is communicated with the head of the air compressor through a fourth pipeline; the lubricating oil cooler is communicated with the compressed air cooler through a fifth pipeline; the compressed air cooler is communicated with the air storage tank through a sixth pipeline, and the lubricating oil cooler is communicated with the boiler through a ninth pipeline; the desalting water tank is communicated with the compressed air cooler through a seventh pipeline; the invention realizes heat exchange by utilizing normal-temperature demineralized water and separated oil and gas, and the demineralized water absorbing heat finally flows back into the boiler, so that the water replenishing temperature of the boiler is raised, and the using amount of fire coal can be saved.
Description
Technical Field
The invention relates to a device for collecting heat in an oil-gas mixture.
Background
Produce high-temperature high-pressure oil-gas mixture in the screw air compressor aircraft nose, the heat that oil-gas mixture carried is about equal to the 3/4's of air compressor consumption conversion heat, the waste heat temperature is usually between 80 ℃ -100 ℃, the heat that compressed air cooler and lubricating oil cooler produced is reduced to special cooling water among the prior art, the cooling water that the temperature rose gets back to the cooling tower cooling again, then the recirculation cools down for compressed air cooler and lubricating oil cooler, this in-process cooling water absorbing heat is wasted by vain, this process of cooling tower cooling has still been increased, economic cost rises.
Disclosure of Invention
The invention provides a recovery system capable of recovering heat of an air compressor, which adopts the following technical scheme for achieving the purpose:
a heat recovery system of an air compressor comprises an air compressor head, an oil-gas separation barrel, a compressed air cooler, a lubricating oil cooler, an air storage tank and a demineralized water tank;
the oil-gas separation barrel is communicated with the compressed air cooler through a first pipeline;
the oil-gas separation barrel is communicated with the lubricating oil cooler through a second pipeline;
the oil-gas separation barrel is communicated with the air compressor head through a third pipeline;
the lubricating oil cooler is communicated with the head of the air compressor through a fourth pipeline;
the lubricating oil cooler is communicated with the compressed air cooler through a fifth pipeline;
the compressed air cooler is communicated with the air storage tank through a sixth pipeline;
the desalting water tank is communicated with the compressed air cooler through a seventh pipeline; meanwhile, the lubricating oil cooler is communicated with the boiler through a ninth pipeline.
The temperature of the demineralized water is gradually increased in the heat exchange process, and after the heat exchange of one cycle is completed, the demineralized water returns to the boiler through the ninth pipeline for working.
Optionally, the gas storage tank is further communicated with an eighth pipeline, and the eighth pipeline is communicated with a gas end user.
Optionally, the seventh pipeline includes two branch pipes, which are a first branch pipe and a second branch pipe, and each branch pipe is provided with a circulation pump.
Optionally, a flow regulating valve is further installed on the seventh pipeline.
Optionally, each branch pipe is provided with a pressure gauge.
Optionally, a filter is mounted on the fourth conduit.
Optionally, the second pipe, the third pipe and the fourth pipe are steel wire hoses.
The invention realizes heat exchange by utilizing normal temperature demineralized water and separated oil and gas, and the demineralized water absorbing heat finally flows back to enter the boiler, so that the water replenishing temperature of the boiler is raised, thereby saving the use amount of fire coal, realizing energy conservation and consumption reduction, and being capable of supplying steam to the outside, having high benefit and being environment-friendly.
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 introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a schematic view of the present invention;
description of the figures: the device comprises an air compressor head 1, an oil-gas separation barrel 2, a compressed air cooler 3, a lubricating oil cooler 4, an air storage tank 5, a first pipeline 6, a second pipeline 7, a third pipeline 8, a fourth pipeline 9, a fifth pipeline 10, a sixth pipeline 11, a seventh pipeline 12, a circulating pump 13, a pressure gauge 14, a flow regulating valve 15, a filter 16, an eighth pipeline 17 and a ninth pipeline 18;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. At least one embodiment of the present invention provides the following technical solutions:
in the figure, the heat recovery system of the air compressor comprises an air compressor head 1, an oil-gas separation barrel 2, a compressed air cooler 3, a lubricating oil cooler 4, an air storage tank 5 and a desalting water tank (not shown in the figure);
wherein, the air outlet of the oil-gas separation barrel 2 is communicated with the compressed air cooler 3 through a first pipeline 6; an oil outlet of the oil-gas separation barrel 2 is communicated with a lubricating oil cooler 4 through a second pipeline 7; an oil inlet of the oil-gas separation barrel 2 is communicated with the air compressor head 1 through a third pipeline 8; the lubricating oil cooler 4 is communicated with the air compressor head 1 through a fourth pipeline 9; the lubricating oil cooler 4 is communicated with the compressed air cooler 3 through a fifth pipeline 10; the compressed air cooler 3 is communicated with the air storage tank 5 through a sixth pipeline 11;
the demineralized water tank is communicated with the compressed air cooler 3 through a seventh pipeline 12, and the demineralized water is normal-temperature demineralized water in the invention.
Preferably, the second pipeline 7, the third pipeline 8 and the fourth pipeline 9 are steel wire hoses.
As an option, the seventh pipeline 12 includes two branch pipes, which are a first branch pipe 120 and a second branch pipe 121, and the first branch pipe 120 and the second branch pipe 121 are finally converged into the seventh pipeline 12, and each branch pipe is provided with a circulation pump 13, and further preferably, each branch pipe is provided with a pressure gauge 14.
The demineralized water tank is filled with demineralized water, and the circulating pump 13 is used for circulating the demineralized water, so that the demineralized water sequentially enters the compressed air cooler 3 and the lubricating oil cooler 4 for heat exchange;
as an option, a flow regulating valve 15 is further installed on the seventh pipeline 12, the flow regulating valve 15 is used for controlling the return oil temperature of the compressed air cooler 3 to be not lower than 60 ℃, and the flow of the demineralized water entering the compressed air cooler 3 is regulated according to the oil temperature change after heat exchange.
As an option, a filter 16 is installed on the fourth pipeline 9, and after the return oil is filtered by the filter 16, clean lubricating oil flows back to the air compressor head 1 to work;
the compressed air is cooled and discharged into an air storage tank 5 for storage, and as an option, the air storage tank 5 is communicated with final use equipment of an air use terminal user through an eighth pipeline 17;
in the invention, the air compressor head 1 is preferably a screw air compressor head; the screw machine head inhales air through the air suction filter and the air inlet control valve, meanwhile, lubricating oil is injected into the air compression chamber, the machine head is cooled and sealed, the screw and the bearing are lubricated, and compressed air is generated in the compression chamber.
An oil-gas mixture is filled in the oil-gas separation barrel 2, and most of lubricating oil and gas are separated from the oil-gas mixture under the action of mechanical centrifugal force and gravity;
the compressed air cooler 3 is used for storing the compressed air separated from the oil-gas mixture separating barrel 2 and cooling the compressed air; the compressed air cooler 3 is preferably a shell-and-tube heat exchanger, and desalted water flows through a shell for heat exchange, so that the resistance is small;
preferably, the lubricating oil cooler 4 adopts a plate heat exchanger, the separated high-temperature lubricating oil and the desalted water exchange heat sufficiently in the lubricating oil cooler 4, and the heat exchange coefficient is high; after heat exchange, the demineralized water with a certain temperature flows back into the boiler through the ninth pipeline 18, and as the demineralized water with the increased temperature enters the boiler to do work, the temperature of the supplemented water entering the boiler is increased, so that the use amount of fire coal is saved.
Wherein, the lubricating oil working flow is as follows: the oil-gas mixture gets into lubricating oil cooler 4 in oil-gas separation bucket 2 through second pipeline 7, later filters through the filter on the fourth pipeline 9, later supplies with the air compressor machine aircraft nose through fourth pipeline 9 and uses.
The working flow of the compressed air is as follows: lubricating oil carries out oil-gas separation in oil-gas separation bucket 2, and the gas of separating gets into compressed air cooler 3 through first pipeline 6, and in the gas cooling back in the compressed air cooler 3 got into the gas holder through sixth pipeline 11, can export for each gas unit through eighth pipeline 17 at last and use.
The flow of the desalted water is as follows: the demineralized water in the demineralized water tank reaches the compressed air cooler 3 through the circulating pump 13 and the flow regulating valve 15 and then reaches the lubricating oil cooler 4, the demineralized water is cooled and subjected to heat exchange with the compressed air in the compressed air cooler 3, and is cooled and subjected to heat exchange with high-temperature lubricating oil in the lubricating oil cooler 4; the flow control valve 15 regulates the amount of demineralized water, which finally flows back into the boiler (not shown in the figure), and can control the normal return oil temperature.
The working principle of the present invention is described below:
firstly, oil-gas separation is carried out on an oil-gas mixture in an oil-gas separation barrel 2, and when the oil-gas separation barrel 2 works, demineralized water in a demineralized water tank enters a compressed air cooler 3 and a lubricating oil cooler 4 along a seventh pipeline 12; the oil-gas mixture separates lubricating oil and gas in the oil-gas separation barrel 2 respectively, the separated lubricating oil enters the lubricating oil cooler 4 along the second pipeline 7 for cooling, meanwhile, the cooled lubricating oil is filtered along the fourth pipeline 9 and then enters the air compressor head 1, the desalted water enters the compressed air cooler 3 and the lubricating oil cooler 4 along the seventh pipeline 12 to reduce the temperature of the lubricating oil, and then the desalted water returns to the boiler through the ninth pipeline 18; the gas separated by the oil-gas separation barrel 2 enters a compressed air cooler 3, the demineralized water exchanges heat with the compressed air, the temperature of the compressed air is reduced, and the cooled compressed air is stored in a gas storage tank 5 for use by each gas unit.
The invention realizes heat exchange by utilizing normal-temperature demineralized water and separated oil and gas, and the demineralized water absorbing heat finally flows back into the boiler, so that the water replenishing temperature of the boiler is raised, and the using amount of fire coal can be saved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention shall be included in the scope of the present invention.
Claims (7)
1. The utility model provides an air compressor machine heat recovery system which characterized in that: the device comprises an air compressor head, an oil-gas separation barrel, a compressed air cooler, a lubricating oil cooler, an air storage tank and a demineralized water tank;
the oil-gas separation barrel is communicated with the compressed air cooler through a first pipeline;
the oil-gas separation barrel is communicated with the lubricating oil cooler through a second pipeline;
the oil-gas separation barrel is communicated with the air compressor head through a third pipeline;
the lubricating oil cooler is communicated with the head of the air compressor through a fourth pipeline;
the lubricating oil cooler is communicated with the compressed air cooler through a fifth pipeline;
the compressed air cooler is communicated with the air storage tank through a sixth pipeline;
the desalting water tank is communicated with the compressed air cooler through a seventh pipeline; meanwhile, the lubricating oil cooler is communicated with the boiler through a ninth pipeline.
2. The air compressor heat recovery system of claim 1, wherein: the gas storage tank is also communicated with an eighth pipeline, and the eighth pipeline is communicated with a gas end user.
3. The air compressor heat recovery system of claim 1, wherein: the seventh pipeline comprises two branch pipes which are respectively a first branch pipe and a second branch pipe, and each branch pipe is provided with a circulating pump.
4. The air compressor heat recovery system of claim 3, wherein: and the seventh pipeline is also provided with a flow regulating valve.
5. The air compressor heat recovery system of claim 3, wherein: each branch pipe is provided with a pressure gauge.
6. The air compressor heat recovery system of claim 1, wherein: and a filter is arranged on the fourth pipeline.
7. The air compressor heat recovery system of claim 1, wherein: the second pipeline, the third pipeline and the fourth pipeline are steel wire hoses.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010848984.4A CN114076100A (en) | 2020-08-21 | 2020-08-21 | Heat recovery system of air compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010848984.4A CN114076100A (en) | 2020-08-21 | 2020-08-21 | Heat recovery system of air compressor |
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CN114076100A true CN114076100A (en) | 2022-02-22 |
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CN202010848984.4A Pending CN114076100A (en) | 2020-08-21 | 2020-08-21 | Heat recovery system of air compressor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116480556A (en) * | 2023-05-16 | 2023-07-25 | 上海孟宝机电工程有限公司 | Energy-saving system and energy-saving method for manufacturing and using air compressor |
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JP2011226467A (en) * | 2010-04-01 | 2011-11-10 | Miura Co Ltd | Compression heat recovery system |
CN202579188U (en) * | 2012-03-30 | 2012-12-05 | 东莞市雅迪勤压缩机制造有限公司 | Oil-spraying screw air compressor capable of recovering excess heat |
JP2015038354A (en) * | 2014-09-29 | 2015-02-26 | 三浦工業株式会社 | Heat recovery system |
CN204239185U (en) * | 2014-10-10 | 2015-04-01 | 洛阳中超非金属材料有限公司 | A kind of air compressor waste heat recovering device |
CN206280253U (en) * | 2016-12-22 | 2017-06-27 | 无锡五洋赛德压缩机有限公司 | 37KW screw compressor, refrigerator, filter system |
JP2018025358A (en) * | 2016-08-10 | 2018-02-15 | 三浦工業株式会社 | Heat recovery system |
CN212429192U (en) * | 2020-08-21 | 2021-01-29 | 亿利洁能科技有限公司 | Heat recovery system of air compressor |
-
2020
- 2020-08-21 CN CN202010848984.4A patent/CN114076100A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011226467A (en) * | 2010-04-01 | 2011-11-10 | Miura Co Ltd | Compression heat recovery system |
CN202579188U (en) * | 2012-03-30 | 2012-12-05 | 东莞市雅迪勤压缩机制造有限公司 | Oil-spraying screw air compressor capable of recovering excess heat |
JP2015038354A (en) * | 2014-09-29 | 2015-02-26 | 三浦工業株式会社 | Heat recovery system |
CN204239185U (en) * | 2014-10-10 | 2015-04-01 | 洛阳中超非金属材料有限公司 | A kind of air compressor waste heat recovering device |
JP2018025358A (en) * | 2016-08-10 | 2018-02-15 | 三浦工業株式会社 | Heat recovery system |
CN206280253U (en) * | 2016-12-22 | 2017-06-27 | 无锡五洋赛德压缩机有限公司 | 37KW screw compressor, refrigerator, filter system |
CN212429192U (en) * | 2020-08-21 | 2021-01-29 | 亿利洁能科技有限公司 | Heat recovery system of air compressor |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116480556A (en) * | 2023-05-16 | 2023-07-25 | 上海孟宝机电工程有限公司 | Energy-saving system and energy-saving method for manufacturing and using air compressor |
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