CN110242540B - Primary heat recovery system of air compressor - Google Patents
Primary heat recovery system of air compressor Download PDFInfo
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- CN110242540B CN110242540B CN201910635155.5A CN201910635155A CN110242540B CN 110242540 B CN110242540 B CN 110242540B CN 201910635155 A CN201910635155 A CN 201910635155A CN 110242540 B CN110242540 B CN 110242540B
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- 238000011084 recovery Methods 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 238000001816 cooling Methods 0.000 claims abstract description 39
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 electronics Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component 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
- F04B39/06—Cooling; Heating; Prevention of freezing
Abstract
The invention provides a primary heat recovery system of an air compressor, comprising: the inlet end of the first valve is connected with the outlet end of the first cooling channel, and the outlet end of the first valve is connected with the inlet end of the reclaimed water outlet channel; the second valve is connected with the outlet end of the reclaimed water inlet channel; the inlet end of the water pump is connected with the outlet end of the second valve; the heat exchanger is provided with a first heat exchange channel and a second heat exchange channel, and the inlet end of the first heat exchange channel is connected with the outlet end of the water pump; the inlet end of the third valve is connected with the outlet end of the first heat exchange channel, and the outlet end of the third valve is connected with the inlet end of the first cooling channel; the inlet end of the fourth valve is connected with the outlet end of the first circulating water inlet channel, and the outlet end of the fourth valve is connected with the inlet end of the second heat exchange channel; and the inlet end of the fifth valve is connected with the outlet end of the second heat exchange channel. The invention can recycle heat generated by the first-stage compressor, improve the energy utilization rate and reduce the energy waste and carbon emission.
Description
Technical Field
The invention relates to the field of energy recovery, in particular to a primary heat recovery system of an air compressor.
Background
An air compressor (also called an air compressor or a compressor) is a device for compressing gas, and is widely applied to the fields of machine manufacturing, steel, metallurgy, shipbuilding, textile, electronics, chemical industry, petroleum, mine, light industry, food, medicine and the like. Air compressors generate a large amount of heat of compression during operation, and are currently cooled using external circulating water systems. For example, as shown in fig. 1, a three-stage air compressor system 100 is shown, which includes a primary compressor (i.e., a first compressor 101), a primary cooler (i.e., a first cooler 102), a secondary compressor (i.e., a second compressor 103), a secondary cooler (i.e., a second cooler 104, a three-stage compressor (i.e., a third compressor 105), and a three-stage cooler (i.e., a third cooler 106) in gaseous communication in this order, wherein the three coolers 102, 104, 106 each have fluid passages with inlet and outlet ends connected to an external circulating water system, respectively, to cool heat generated by the compressors 101, 103, 105 by the external circulating water system such that the heat is entirely discharged to the atmosphere, thereby wasting energy and accelerating the greenhouse effect.
Disclosure of Invention
The invention aims to provide a primary heat recovery system of an air compressor, which is used for recovering heat generated by the primary compressor on the premise of not influencing the normal operation of the compressor, so that the energy utilization rate is improved, and the energy waste and carbon emission are reduced.
In order to achieve the above object, the present invention provides a primary heat recovery system of an air compressor for recovering heat of an air compressor system including a first compressor, a first cooler, a second compressor, a second cooler, a third compressor, and a third cooler in gaseous communication in this order, wherein the first cooler has a first cooling passage, the second cooler has a second cooling passage, and the third cooler has a third cooling passage, wherein the primary heat recovery system comprises:
the inlet end of the first valve is connected with the outlet end of the first cooling channel, and the outlet end of the first valve is connected with the inlet end of the reclaimed water outlet channel;
The inlet end of the second valve is connected with the outlet end of the reclaimed water inlet channel;
The inlet end of the water pump is connected with the outlet end of the second valve;
the heat exchanger is provided with a first heat exchange channel and a second heat exchange channel for exchanging heat, and the inlet end of the first heat exchange channel is connected with the outlet end of the water pump;
The inlet end of the third valve is connected with the outlet end of the first heat exchange channel, and the outlet end of the third valve is connected with the inlet end of the first cooling channel;
the inlet end of the fourth valve is connected with the outlet end of the first circulating water inlet channel, and the outlet end of the fourth valve is connected with the inlet end of the second heat exchange channel; and
And the inlet end of the fifth valve is connected with the outlet end of the second heat exchange channel, and the outlet end of the fifth valve is connected with the inlet end of the first circulating water outlet channel.
In one embodiment of the invention, the primary heat recovery system further comprises:
A sixth valve connected between the outlet end of the first heat exchange passage and the inlet end of the fourth valve;
a seventh valve connected between the inlet end of the first valve and the outlet end of the fifth valve.
In one embodiment of the invention, the primary heat recovery system further comprises:
an eighth valve connected between an inlet end of the fourth valve and an outlet end of the first circulating water inlet passage;
And a ninth valve connected between an outlet end of the fifth valve and an inlet end of the first circulating water outlet passage.
In one embodiment of the present invention, the first, second and fourth valves are on-off valves, and the third and fifth valves are regulating valves.
In one embodiment of the present invention, the sixth valve and the seventh valve are on-off valves.
In one embodiment of the present invention, the eighth valve and the ninth valve are on-off valves.
In one embodiment of the invention, the heat exchanger is a plate heat exchanger.
In one embodiment of the invention, the inlet end of the second cooling channel is connected with the outlet end of the second circulating water inlet channel, and the outlet end of the second cooling channel is connected with the inlet end of the second circulating water outlet channel; the inlet end of the third cooling channel is connected with the outlet end of the third circulating water inlet channel, and the outlet end of the third cooling channel is connected with the inlet end of the third circulating water outlet channel.
In one embodiment of the invention, the primary heat recovery system further comprises:
A first thermometer connected to an inlet end of the first cooling channel; and/or
A second thermometer connected to the outlet end of the first cooling channel.
In one embodiment of the invention, the primary heat recovery system further comprises:
A flow meter connected between the outlet end of the second heat exchange passage and the inlet end of the fifth valve.
By adopting the technical scheme, the invention has the following beneficial effects:
According to the invention, the water flowing in the reclaimed water inlet channel is conveyed to the first heat exchange channel through the water pump, flows through the first cooling channel through the third valve, flows into the reclaimed water outlet channel through the first valve, and finally can be conveyed to an external reclaimed water utilization system through the reclaimed water outlet channel, so that a water reclaimed flow path is established, the water flowing in the water reclaimed flow path is heated due to the absorption of heat generated by the first compressor, and finally flows into the reclaimed water utilization system for recycling. Therefore, on the premise of ensuring the normal operation of the air compressor system, the heat generated by the first compressor is recovered, the energy utilization rate is improved, and the energy waste and carbon emission are reduced.
Drawings
FIG. 1 is a schematic diagram of a prior art air compressor system;
FIG. 2 is a schematic diagram of one embodiment of a primary heat recovery system of an air compressor of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 2, the present invention provides a primary heat recovery system for an air compressor for recovering heat generated by a first compressor in an air compressor system 100. In the present embodiment, the air compressor system 100 includes a first compressor 101, a first cooler 102, a second compressor 103, a second cooler 104, a third compressor 105, and a third cooler 106 in gaseous communication in that order. Wherein the first cooler 102 has a first gas passage and a first cooling passage, the second cooler 104 has a second gas passage and a second cooling passage, and the third cooler 106 has a third gas passage and a third cooling passage. The inlet end of the first compressor 101 is connected to the atmosphere, the outlet end of the first compressor 101 is connected to the inlet end of the first gas passage, the inlet end of the second compressor 103 is connected to the outlet end of the first gas passage, the outlet end of the second compressor 103 is connected to the inlet end of the second gas passage, the inlet end of the third compressor 105 is connected to the outlet end of the second gas passage, and the outlet end of the third compressor 105 is connected to the atmosphere. The first, second and third compressors 101, 103, 105 of the present embodiment may be, for example, centrifugal compressors.
The primary heat recovery system of the present invention mainly comprises the following components: a first valve 201, a second valve 202, a third valve 203, a fourth valve 204, a fifth valve 205, a sixth valve 206, a seventh valve 207, an eighth valve 208, a ninth valve 209, a water pump 210, and a heat exchanger 211. The connection relationship between the components is described in detail below:
the inlet end of the first valve 201 is connected to the outlet end of the first cooling passage, and the outlet end of the first valve 201 is connected to the inlet end of the reclaimed water outlet passage 212. The outlet end of the reclaimed water outlet channel 212 is connected to an external reclaimed water utilization system.
The inlet end of the second valve 202 is connected to the outlet end of a reclaimed water inlet channel 213, and the inlet end of the reclaimed water inlet channel 213 can be connected to city tap water pipe.
The inlet end of the water pump 210 is connected to the outlet end of the second valve 202.
The heat exchanger 211 has a first heat exchange passage and a second heat exchange passage for exchanging heat, and an inlet end of the first heat exchange passage is connected to an outlet end of the water pump 210. In the present embodiment, the heat exchanger 211 may be, for example, a plate heat exchanger.
The inlet end of the third valve 203 is connected to the outlet end of the first heat exchanging channel, and the outlet end of the third valve 203 is connected to the inlet end of the first cooling channel.
The inlet end of the fourth valve 204 is connected to the outlet end of the first circulating water inlet passage 214, and the outlet end of the fourth valve 204 is connected to the inlet end of the second heat exchange passage. The inlet end of the fifth valve 205 is connected to the outlet end of the second heat exchange passage, and the outlet end of the fifth valve 205 is connected to the inlet end of the first circulating water outlet passage 215. Wherein, the inlet end of the first circulating water inlet channel 214 and the outlet end of the first circulating water outlet channel 215 are connected with an external first circulating water system.
The sixth valve 206 is connected between the outlet end of the first heat exchange channel and the inlet end of the fourth valve 204.
The seventh valve 207 is connected between the inlet end of the first valve 201 and the outlet end of the fifth valve 205.
The eighth valve 208 is connected between the inlet end of the fourth valve 204 and the outlet end of the first circulating water inlet passage 214.
The ninth valve 209 is connected between an outlet end of the fifth valve 205 and an inlet end of the first circulating water outlet passage 215.
In this embodiment, the inlet end of the second cooling passage is connected to the outlet end of the second circulating water inlet passage 216. The outlet end of the second cooling passage is connected to the inlet end of the second circulating water outlet passage 217. The inlet end of the second circulating water inlet passage 216 and the outlet end of the second circulating water outlet passage 217 are connected to the outlet end and the inlet end of the external second circulating water system, respectively. The inlet end of the third cooling passage is connected to the outlet end of the third circulating water inlet passage 218. The outlet end of the third cooling passage is connected to the inlet end of the third circulating water outlet passage 219. The inlet end of the third circulating water inlet passage 218 and the outlet end of the third circulating water outlet passage 219 are connected to the outlet end and the inlet end of the external third circulating water system, respectively.
Among them, the first, second, fourth, sixth, seventh, eighth, and ninth valves 201, 202, 204, 206, 207, 208, and 209 are preferably on-off valves, and the third and fifth valves 203 and 205 are preferably regulating valves. The difference between the switch valve and the regulating valve is that the switch valve has no special requirement on the flow characteristics except the switch and the switch, and the regulating valve has higher requirement on the flow characteristics in the whole process from the switch to the switch; the requirements of the switching valve on the switching speed and the leakage amount are higher than those of the regulating valve, and the requirements of the regulating valve on the opening stability between the opening and the closing are higher than those of the switching valve.
The direction indicated by the arrow in fig. 2 is the flow direction of the fluid.
The heat recovery process of the primary heat recovery system of the invention is as follows:
First, the first valve 201, the second valve 202, the third valve 203, the fourth valve 204, the fifth valve 205, the eighth valve 208, and the ninth valve 209 are opened, while the sixth valve 206 and the seventh valve 207 are closed;
then, the water pump 210 is started, water flowing out of the reclaimed water inlet passage 213 is sent to the first heat exchange passage by the water pump 210, then flows through the first cooling passage by the third valve 203, then flows into the reclaimed water outlet passage 212 by the first valve 201, and is sent to the external reclaimed water utilization system by the reclaimed water outlet passage 212, thereby establishing a water reclaimed flow path.
Then, the air compressor system 100 is started, and at this time, the water flowing through the water recovery flow path is heated by the heat generated by the first compressor 101, and finally flows into the recovery water utilization system to be recycled, and the system can be used for heating, bathing, canteen, boiler water supply preheating, reverse osmosis pure water heating and other occasions.
It should be noted that, although the outlet water temperature of the cooler 102 needs to be increased during the heat recovery process, an increase in the outlet water temperature of the cooler 102 may result in an increase in the outlet air temperature of the cooler 102, and a higher outlet air temperature may result in a higher inlet air temperature of the second compressor 103. When the intake air temperature of the compressor is too high, compressor surge may result.
In order to prevent surging, the invention provides a water cooling flow path formed by the second heat exchange channel, the fourth valve 204, the fifth valve 205, the first circulating water inlet channel 214, the first circulating water outlet channel 215 and the external first circulating water system, and the water inlet temperature of the first cooler 102 can be controlled by adjusting the fifth valve 205. In addition, the invention also provides a third valve 203, and the outlet water temperature of the first cooler 102 can be controlled by adjusting the third valve 203.
According to experimental tests, when the primary heat recovery system is adopted for heat recovery, as long as the inlet water temperature of the first cooler 102 is controlled to be not higher than 35 ℃ and the outlet water temperature is controlled to be not higher than 55 ℃ through the third valve 203 and the fifth valve 205, the second compressor 103 can normally operate, and no surge occurs.
Referring again to fig. 2, when the air compressor system 100 is not stopped but heat recovery is no longer required, the sixth valve 206 and the seventh valve 207 are opened while the water pump 210, the first valve 201, the second valve 202, the fourth valve 204, and the fifth valve 205 are closed so that water supplied from the external first circulating water system can enter the first cooler 102 through the eighth valve 208, the sixth valve 206, and the third valve 203, and then flow back to the external first circulating water system through the seventh valve 207 and the ninth valve 209, thereby cooling heat generated from the first compressor 101.
According to the specific embodiment of fig. 2, the primary heat recovery system of the present invention further comprises any one or more of the following three components (three are shown in fig. 2): a first thermometer 220 connected to an inlet end of the first cooling channel; a second thermometer 221 connected to an outlet end of the first cooling passage; a flow meter 222 connected between the outlet end of the second heat exchange channel and the inlet end of the fifth valve 205. By means of these thermometer settings, the inlet water temperature and outlet water temperature of the first cooler 102 can be monitored to protect the compressor 104 from normal operation. Through the setting of flowmeter, the discharge in the second heat transfer passageway of being convenient for accurate adjustment.
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "plurality" is two or more unless specifically defined otherwise.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (4)
1. A primary heat recovery system for an air compressor for recovering heat from an air compressor system comprising a first compressor, a first cooler, a second compressor, a second cooler, a third compressor, and a third cooler in gaseous communication in sequence, wherein the first cooler has a first cooling channel, the second cooler has a second cooling channel, the third cooler has a third cooling channel,
The inlet end of the first compressor is connected with the atmosphere, the outlet end of the first compressor is connected with the inlet end of a first gas channel in the first cooler, the inlet end of the second compressor is connected with the outlet end of the first gas channel, the outlet end of the second compressor is connected with the inlet end of a second gas channel in the second cooler, the inlet end of the third compressor is connected with the outlet end of the second gas channel, and the outlet end of the third compressor is connected with the atmosphere;
The primary heat recovery system includes:
the inlet end of the first valve is connected with the outlet end of the first cooling channel, and the outlet end of the first valve is connected with the inlet end of the reclaimed water outlet channel;
The inlet end of the second valve is connected with the outlet end of the reclaimed water inlet channel;
The inlet end of the water pump is connected with the outlet end of the second valve;
the heat exchanger is provided with a first heat exchange channel and a second heat exchange channel for exchanging heat, and the inlet end of the first heat exchange channel is connected with the outlet end of the water pump;
The inlet end of the third valve is connected with the outlet end of the first heat exchange channel, and the outlet end of the third valve is connected with the inlet end of the first cooling channel;
the inlet end of the fourth valve is connected with the outlet end of the first circulating water inlet channel, and the outlet end of the fourth valve is connected with the inlet end of the second heat exchange channel; and
The inlet end of the fifth valve is connected with the outlet end of the second heat exchange channel, and the outlet end of the fifth valve is connected with the inlet end of the first circulating water outlet channel;
A sixth valve connected between the outlet end of the first heat exchange passage and the inlet end of the fourth valve;
A seventh valve connected between the inlet end of the first valve and the outlet end of the fifth valve;
an eighth valve connected between an inlet end of the fourth valve and an outlet end of the first circulating water inlet passage;
a ninth valve connected between an outlet end of the fifth valve and an inlet end of the first circulating water outlet passage;
the first valve, the second valve and the fourth valve are switch valves, and the third valve and the fifth valve are regulating valves;
the sixth valve and the seventh valve and the eighth valve and the ninth valve are on-off valves;
The inlet end of the second cooling channel is connected with the outlet end of the second circulating water inlet channel, and the outlet end of the second cooling channel is connected with the inlet end of the second circulating water outlet channel; the inlet end of the third cooling channel is connected with the outlet end of the third circulating water inlet channel, and the outlet end of the third cooling channel is connected with the inlet end of the third circulating water outlet channel.
2. The primary heat recovery system of an air compressor of claim 1, wherein the heat exchanger is a plate heat exchanger.
3. The primary heat recovery system of an air compressor of claim 1, further comprising:
A first thermometer connected to an inlet end of the first cooling channel; and/or
A second thermometer connected to the outlet end of the first cooling channel.
4. The primary heat recovery system of an air compressor of claim 1, further comprising:
A flow meter connected between the outlet end of the second heat exchange passage and the inlet end of the fifth valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910635155.5A CN110242540B (en) | 2019-07-15 | 2019-07-15 | Primary heat recovery system of air compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910635155.5A CN110242540B (en) | 2019-07-15 | 2019-07-15 | Primary heat recovery system of air compressor |
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| CN110242540A CN110242540A (en) | 2019-09-17 |
| CN110242540B true CN110242540B (en) | 2024-05-03 |
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| CN102777351A (en) * | 2012-08-08 | 2012-11-14 | 沈长青 | Waste heat recycling device and recycling method of oil-free compressor |
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| JP2016080264A (en) * | 2014-10-17 | 2016-05-16 | 三浦工業株式会社 | Heat recovery system |
| JP2017129076A (en) * | 2016-01-21 | 2017-07-27 | 株式会社Ihi | Compressor system and waste heat recovery power generation method |
| CN206458574U (en) * | 2017-01-12 | 2017-09-01 | 湖南省轻工纺织设计院 | Waste heat recovery system of air compressor |
| CN107288888A (en) * | 2017-08-10 | 2017-10-24 | 上海赛捷能源科技有限公司 | High-efficiency air compressor heat recovery system |
| CN209100217U (en) * | 2018-11-19 | 2019-07-12 | 山东华辰工业科技有限公司 | A kind of fermentation air compressor waste heat recycling system |
| CN210218031U (en) * | 2019-07-15 | 2020-03-31 | 上海赛捷能源科技有限公司 | One-stage heat recovery system of air compressor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120009075A1 (en) * | 2010-07-06 | 2012-01-12 | General Electric Company | Systems for compressing a gas |
-
2019
- 2019-07-15 CN CN201910635155.5A patent/CN110242540B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777351A (en) * | 2012-08-08 | 2012-11-14 | 沈长青 | Waste heat recycling device and recycling method of oil-free compressor |
| CN103075325A (en) * | 2013-02-01 | 2013-05-01 | 郑州大学 | Compressor waste heat utilization system and compressor inter-stage waste heat utilization system |
| JP2016080264A (en) * | 2014-10-17 | 2016-05-16 | 三浦工業株式会社 | Heat recovery system |
| JP2017129076A (en) * | 2016-01-21 | 2017-07-27 | 株式会社Ihi | Compressor system and waste heat recovery power generation method |
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| CN110242540A (en) | 2019-09-17 |
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