CN209875424U - Air compressor machine takes off wet output increasing device based on booster compressor waste heat recovery - Google Patents

Air compressor machine takes off wet output increasing device based on booster compressor waste heat recovery Download PDF

Info

Publication number
CN209875424U
CN209875424U CN201920432998.0U CN201920432998U CN209875424U CN 209875424 U CN209875424 U CN 209875424U CN 201920432998 U CN201920432998 U CN 201920432998U CN 209875424 U CN209875424 U CN 209875424U
Authority
CN
China
Prior art keywords
waste heat
heat recovery
pipeline
compressor
yield
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.)
Active
Application number
CN201920432998.0U
Other languages
Chinese (zh)
Inventor
汪剑
闫云龙
李伟
周聪勇
宋选利
李雪锋
杨亚钊
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.)
Xian Shaangu Power Co Ltd
Original Assignee
Xian Shaangu Power Co Ltd
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 Xian Shaangu Power Co Ltd filed Critical Xian Shaangu Power Co Ltd
Priority to CN201920432998.0U priority Critical patent/CN209875424U/en
Application granted granted Critical
Publication of CN209875424U publication Critical patent/CN209875424U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses an air compressor machine dehumidification yield-increasing device based on booster compressor waste heat recovery, air compressor machine dehumidification yield-increasing device set up at the booster compressor end of air compressor machine, including connecting gradually the refrigeration component, refrigeration auxiliary member and the dehumidification device that set up, its characterized in that booster compressor and refrigeration component between still set up the waste heat recovery component, the waste heat recovery component absorb the produced heat of booster compressor compressed air, the waste heat recovery component be equipped with waste heat recovery type heat exchanger. The heat required by the device for refrigerating is derived from the waste heat of the compressed air of the supercharger, the circulating cooling water consumption of the original system is reduced while the operation load of the low-pressure auxiliary machine is increased a little, the negative energy dehumidification can be achieved during the actual operation, the energy consumption is not increased, and the temperature and the absolute moisture content of the air at the inlet of the air compressor can be effectively reduced; after the air is dehumidified, the air compressor obtains higher load and promotes space and higher operating efficiency.

Description

Air compressor machine takes off wet output increasing device based on booster compressor waste heat recovery
Technical Field
The utility model belongs to empty trade field that divides, concretely relates to air compressor machine dehumidification yield-increasing device based on booster compressor waste heat recovery.
Background
At present, the air separation process is widely applied to the industries of steel, chemical industry, chemical fertilizer and the like in China to prepare oxygen and nitrogen. The air compressor and the supercharger are one of the most central devices in the air separation process, and directly determine the yield and the quality of the air separation process.
Through on-site understanding, air separation plants of many enterprises can normally supply oxygen and nitrogen at full load in winter, but the whole air separation plant cannot achieve full-load production under the conditions of high temperature and high humidity in summer. The reduction of the oxygen and nitrogen yields seriously restricts the subsequent yields of chemical products such as steel products and methanol. Through analysis, the direct reasons for the problem are high air temperature, high humidity, low density and difficult compression in summer, which results in low efficiency and low yield of the air separation device.
In addition, the supercharger can cause the temperature of the compressed air to increase during the compression of the air. The exhaust temperature of the first section and the second section of the booster generally exceeds 120 ℃, and the exhaust temperature of the third section is even as high as 180 ℃. The traditional process needs to be provided with an external cooler, compressed air is cooled by a circulating cooling water system to ensure subsequent production, and meanwhile, the generated part of heat is directly taken away by circulating cooling water and is discharged to the atmosphere. This not only loses a large amount of low temperature waste heat, has also caused the problem that the recirculated cooling water yield is big simultaneously, and power consumption and water consumption are big.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art with not enough, the utility model provides an air compressor machine takes off wet output increasing device based on booster compressor waste heat recovery solves the air compressor machine output in summer low, the extravagant problem of compressed air waste heat. The waste heat of the supercharger is recovered to be used for producing cooling water, the air temperature and the moisture content at the inlet of the air compressor are reduced, and the energy consumption of a unit is reduced or the air separation yield is improved.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides an air compressor machine dehumidification yield-increasing device based on booster compressor waste heat recovery, air compressor machine dehumidification yield-increasing device set up at the booster compressor end of air compressor machine, including the refrigeration component, refrigeration auxiliary member and the dehumidification device that connect gradually the setting booster compressor and refrigeration component between still set up the waste heat recovery component, the waste heat recovery component absorb the produced heat of booster compressor compressed air, the waste heat recovery component be equipped with waste heat recovery type heat exchanger.
Specifically, the waste heat recovery type heat exchanger is provided with an inner partition plate and 4 pipe orifices, the pipe orifices comprise a hot water outlet, a hot water inlet, a circulating cooling water outlet and a circulating cooling water inlet, and the pipe orifices are separated by the inner partition plate.
Further, the waste heat recovery component further comprises a first water supply pipeline, a first circulating pump and a first return water pipeline, the waste heat recovery type heat exchanger is connected with the refrigeration component through the first water supply pipeline and forms a pipeline loop through the first circulating pump and the first return water pipeline, and water in the pipeline loop flows in from the hot water inlet and flows out from the hot water outlet.
Furthermore, the refrigeration component comprises a refrigerator, a second water supply pipeline, a second circulating pump and a second water return pipeline, the refrigerator is connected with the dehumidifying device through the second water supply pipeline, and a chilled water pipeline loop is formed through the second circulating pump and the second water return pipeline.
Further, the refrigerator comprises a hot water type lithium bromide refrigerator set.
Furthermore, the refrigeration auxiliary component comprises a cooling tower, a third water return pipeline, a third circulating pump and a third water supply pipeline, the cooling tower is connected with the waste heat recovery type heat exchanger through the third circulating pump and the third water supply pipeline, a pipeline loop is formed through the third water return pipeline, and water in the pipeline enters from a circulating cooling water inlet and flows out from a circulating cooling water outlet.
Furthermore, the dehumidifying and yield-increasing device of the air compressor further comprises a filter, wherein one end of the dehumidifying device is connected with the refrigerating machine, and the other end of the dehumidifying device is connected with the filter.
Further, the waste heat recovery type heat exchanger is provided with 3.
Specifically, the pipeline loop is a circulating hot water pipeline loop.
Specifically, the pipeline loop is a circulating cooling water pipeline loop.
Compared with the prior art, the utility model following profitable technological effect has:
1. the utility model discloses a temperature and the absolute moisture content of air compressor machine entry air can effectively be reduced to the device. Under the working condition of summer, the daily average moisture content of the surface air in the south area can reach 22.7g/kg dry air or 28g/Nm3(typical data), after the treatment by the device, the inlet temperature of the air compressor reaches 10 ℃, and the moisture content is reduced to 10g/Nm3
2. The utility model discloses an after the entry air of device dehumidifies, the air compressor machine obtains higher load promotion space and higher operating efficiency, and the operating load can improve about 10%, correspondingly, and oxygen and nitrogen gas output can improve about 10% on the original level in summer, and air compressor machine axle power increases about 5.4%.
3. The utility model discloses a device required heat of refrigeration derives from booster compressor compressed air waste heat, when increasing low pressure auxiliary engine load in a small number, reduces the recirculated cooling water consumption of former system, can reach the negative energy and dehumidify in the actual operation to newly-increased energy resource consumption. Because the summer capacity of the air separation device reaches a normal level, the production load of the whole process is not restricted, the yield of downstream (methanol and the like) products can be improved, and finally, considerable economic benefit is brought to users. This is the most significant aspect of the device.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a side view of the waste heat recovery type heat exchanger of the present invention;
fig. 3 is a front view of the waste heat recovery type heat exchanger of the present invention;
the reference numerals in the figures denote: the heat recovery type heat exchanger comprises a heat recovery type heat exchanger body, 12 parts of a first water supply pipeline, 13 parts of a first circulating pump, 14 parts of a first water return pipeline, 21 parts of a refrigerator, 22 parts of a second water supply pipeline, 23 parts of a second water return pipeline, 24 parts of a second circulating pump, 31 parts of a third water return pipeline, 32 parts of a cooling tower, 33 parts of a third circulating pump, 34 parts of a third water supply pipeline, a 4 part of a dehumidifying device, a 5 part of a filter, an a-hot water outlet, a b-hot water inlet, a c-circulating cooling water outlet, a d-circulating cooling water inlet and an e-inner partition plate.
The present invention will be described in detail with reference to the drawings and the following detailed description.
Detailed Description
The following embodiments of the present invention are given, and it should be noted that the present invention is not limited to the following embodiments, and all the equivalent transformations made on the basis of the technical solution of the present application all fall into the protection scope of the present invention. In the present disclosure, the terms of orientation such as "top, lower end, tip, front end, etc" are used to refer to a portion away from the ground in actual installation work, unless otherwise specified.
The utility model discloses an air compressor machine dehumidification production increase device based on booster compressor waste heat recovery, including the refrigeration component that sets gradually, refrigeration auxiliary member, dehumidification device 4 and filter 5, still set up to waste heat recovery component 1 at the front end of refrigeration component, optional 3 that set up, waste heat recovery component 1 is regarded as the exhaust cooler of booster compressor alternatively, absorbs the produced heat of booster compressor compressed air, and when the compressed air cooling, waste heat recovery component 1 produces hot water, is connected with refrigeration component 2 through first water supply pipe 12, forms the hot water pipeline return circuit with first circulating pump 13 and first return water pipeline 14 again; the refrigerating component 2 absorbs the hot water heat generated by the waste heat recovery component 1 to produce cooling water, is connected with the dehumidifying device 4 through a second water supply pipeline 22, and then forms a circulating cooling water pipeline loop with a second circulating pump 24 and a second water return pipeline 23; meanwhile, a refrigeration auxiliary component 3 is additionally arranged to provide circulating cooling water for the refrigeration component 2; the dehumidifying device 4 and the original filter form a new air filtering, cooling and dehumidifying unit, and the air at normal temperature and normal pressure is sucked into the dehumidifying device by an air compressor and then cooled.
Example 1:
obey above-mentioned technical scheme, this embodiment provides an air compressor machine dehumidification yield increase device based on booster compressor waste heat recovery, like fig. 1, the utility model discloses an air compressor machine, steam turbine, speed-increasing box, and I section of booster compressor, II sections of booster compressor, the connection setting between the III sections of booster compressor are conventional and set up the relation. The device is arranged at the tail end of a supercharger of an air compressor and comprises a refrigerating component, a refrigerating auxiliary component, a dehumidifying device 4 and a filter 5 which are sequentially connected, and a waste heat recovery component is arranged between the supercharger and the refrigerating component and used for absorbing heat generated by the compressed air of the supercharger. A refrigeration machine room is built at the bottom of an air filter of the air compressor, a refrigeration component and a refrigeration auxiliary component are additionally arranged in the refrigeration machine room, and a dehumidification device 4 is additionally arranged at the top of the refrigeration machine room.
The waste heat recovery component comprises 3 waste heat recovery type heat exchangers 11, a first water supply pipeline 12, a first circulating pump 13 and a first water return pipeline 14, replaces an original interstage cooler and a final stage cooler of the supercharger with the waste heat recovery type heat exchangers 11 and is used for absorbing heat generated by compressed air of the supercharger. As shown in fig. 2-3, the waste heat recovery heat exchanger is provided with inner partition plates e and 4 pipe orifices, the number of the pipe orifices is 4, the pipe orifices comprise a hot water outlet a, a hot water inlet b, a circulating cooling water outlet c and a circulating cooling water inlet d, the pipe orifices are separated by the inner partition plates e, the waste heat recovery heat exchanger 11 is connected with the refrigeration component 2 through a first water supply pipeline 12, a hot water pipeline loop is formed through a first circulating pump 13 and a first water return pipeline 14, and a medium in the pipeline is demineralized water. The demineralized water at 80 ℃ is pressurized by the first circulation pump 13, sent from the hot water inlet b to the waste heat recovery type heat exchanger 11 through the first return water pipe 14, heated to 95 ℃, and then flowed out from the hot water outlet a to be sent to the refrigerating means 2.
The refrigeration component comprises a refrigerator 21, a second water supply pipeline 22, a second circulating pump 24 and a second water return pipeline 23, preferably, the refrigerator 21 selects a hot water type lithium bromide refrigeration unit which is a known product, the hot water type lithium bromide refrigeration unit is connected with the dehumidifying device 4 through the second water supply pipeline 22, a chilled water pipeline loop is formed by the second circulating pump 24 and the second water return pipeline 23, a medium in the pipeline is desalted water, the hot water type lithium bromide refrigeration unit produces chilled water of 7 ℃, the chilled water is conveyed into the dehumidifying device 4 through the second circulating pump 24 in a pressurizing mode to perform wall-dividing heat exchange with air, and the chilled water returns to the hot water type lithium bromide refrigeration unit after being heated to 12 ℃.
The refrigeration auxiliary member includes a cooling tower 32, a third water return pipe 31, a third circulating pump 33 and a third water supply pipe 34, the cooling tower 32 is connected with the waste heat recovery type heat exchanger 11 through the third circulating pump 33 and the third water supply pipe 34, a cooling water pipe loop is formed through the third water return pipe 31, and water in the pipe enters from a circulating cooling water inlet d and flows out from a circulating cooling water outlet c. The refrigeration auxiliary component mainly supplies circulating cooling water to the hot water type lithium bromide refrigeration unit. When the abundance of the original circulating cooling water systems of the air compressor and the supercharger meets the requirement of the hot water type lithium bromide refrigerator unit, the original circulating cooling water systems can be used, and only part of water supply and return branch pipes are newly built.
The dehumidifying and yield-increasing device of the air compressor further comprises a filter 5, one end of a dehumidifying device 4 is connected with the refrigerating machine 21, the other end of the dehumidifying device is connected with the filter 5 to form a new air filtering and cooling dehumidifying unit, the humid air at normal temperature and normal pressure is sucked into the dehumidifying device through the air compressor and then cooled to be below 10 ℃, the humid air is gradually saturated in the cooling process and separates out condensed water to form water drops which are adsorbed on the surface of a heat exchange sheet at the air side of a heat exchanger in the dehumidifying device, and other part of steam forms atomized liquid drops which are collected by a demisting device and finally collected and discharged.
The device can be adjusted according to the summer meteorological conditions, the rear-end process load conditions and the like of the area where the user is located, so that the air quantity finally entering the air compressor is close to or reaches the winter working condition, and the yield of the whole air separation system is improved.
Example 2:
in the Chongqing area, the average moisture content of air in a certain chemical industry enterprise in summer and daytime reaches 24g/kg dry air, and the operation capacity of an air compressor in summer is insufficient, so that the air separation oxygen production can not reach the rear-end process requirement, and the methanol yield of the whole plant is influenced. Through statistics, the average yield of an enterprise in summer can only reach about 90% of the average yield in winter.
The device can enable the air compressor to obtain higher load lifting space and higher operation efficiency. Under the working condition of summer, after the air at the inlet of the air compressor is dehumidified, the power of the air compressor is increased by about 5.43 percent, about 1006kW and the power of the supercharger is increased by about 540kW, and the coaxial unit integrally consumes 6.18t/h more high-temperature and high-pressure steam. The oxygen production of the air separation system can be increased by 10 percent, and the oxygen yield is increased by about 4000Nm 3/h. The whole air separation process year consumes 401.7 ten thousand yuan after the device is put into use. The oxygen amount is increased by 2000 ten thousand standard in each year, and the income is increased by 860 ten thousand yuan in each year. More importantly, the summer capacity of the air compressor basically reaches the winter capacity, the production load of the whole plant is not limited, and the restrictive link influencing the production of the whole plant is optimized.

Claims (10)

1. The utility model provides an air compressor machine dehumidification yield-increasing device based on booster compressor waste heat recovery, air compressor machine dehumidification yield-increasing device set up at the booster compressor end of air compressor machine, including the refrigeration component, refrigeration auxiliary member and the dehumidification device (4) that connect gradually the setting, its characterized in that booster compressor and refrigeration component between still set up the waste heat recovery component, the waste heat recovery component absorb the produced heat of booster compressor compressed air, the waste heat recovery component be equipped with waste heat recovery type heat exchanger (11).
2. The compressor dehumidifying and yield-increasing device based on waste heat recovery of a supercharger as claimed in claim 1, wherein the waste heat recovery type heat exchanger (11) is provided with an inner partition plate (e) and 4 pipe orifices, the pipe orifices comprise a hot water outlet (a), a hot water inlet (b), a circulating cooling water outlet (c) and a circulating cooling water inlet (d), and the pipe orifices are separated by the inner partition plate (e).
3. The compressor dehumidification yield increasing device based on waste heat recovery of the supercharger as claimed in claim 2, wherein the waste heat recovery member further comprises a first water supply pipeline (12), a first circulating pump (13) and a first return water pipeline (14), the waste heat recovery type heat exchanger (11) is connected with the refrigerating member (2) through the first water supply pipeline (12), a pipeline loop is formed through the first circulating pump (13) and the first return water pipeline (14), and water in the pipeline loop flows in from the hot water inlet (b) and flows out from the hot water outlet (a).
4. The compressor dehumidifying and yield-increasing device based on waste heat recovery of the supercharger as claimed in claim 3, wherein the refrigerating member comprises a refrigerator (21), a second water supply pipeline (22), a second circulating pump (24) and a second water return pipeline (23), the refrigerator (21) is connected with the dehumidifying device (4) through the second water supply pipeline (22), and a chilled water pipeline loop is formed through the second circulating pump (24) and the second water return pipeline (23).
5. The compressor dehumidification yield increasing device based on waste heat recovery of the supercharger as claimed in claim 4, wherein the refrigerating machine (21) comprises a hot water type lithium bromide refrigerating unit.
6. The compressor dehumidification yield increasing device based on waste heat recovery of the supercharger as claimed in claim 4, wherein the refrigeration auxiliary member comprises a cooling tower (32), a third water return pipeline (31), a third circulating pump (33) and a third water supply pipeline (34), the cooling tower (32) is connected with the waste heat recovery type heat exchanger (11) through the third circulating pump (33) and the third water supply pipeline (34), a pipeline loop is formed through the third water return pipeline (31), and water in the pipeline enters from a circulating cooling water inlet (d) and flows out from a circulating cooling water outlet (c).
7. The compressor dehumidifying and yield-increasing device based on the waste heat recovery of the supercharger as claimed in claim 4, wherein the compressor dehumidifying and yield-increasing device further comprises a filter (5), one end of the dehumidifying device (4) is connected with the refrigerating machine (21), and the other end is connected with the filter (5).
8. The compressor dehumidification yield increasing device based on the waste heat recovery of the supercharger as claimed in claim 1, wherein 3 waste heat recovery type heat exchangers (11) are provided.
9. The compressor dehumidification yield increasing device based on waste heat recovery of the supercharger as claimed in claim 3, wherein the pipeline loop is a circulating hot water pipeline loop.
10. The compressor dehumidification yield increasing device based on waste heat recovery of the supercharger as claimed in claim 6, wherein the pipeline loop is a circulating cooling water pipeline loop.
CN201920432998.0U 2019-04-01 2019-04-01 Air compressor machine takes off wet output increasing device based on booster compressor waste heat recovery Active CN209875424U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920432998.0U CN209875424U (en) 2019-04-01 2019-04-01 Air compressor machine takes off wet output increasing device based on booster compressor waste heat recovery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920432998.0U CN209875424U (en) 2019-04-01 2019-04-01 Air compressor machine takes off wet output increasing device based on booster compressor waste heat recovery

Publications (1)

Publication Number Publication Date
CN209875424U true CN209875424U (en) 2019-12-31

Family

ID=68957805

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920432998.0U Active CN209875424U (en) 2019-04-01 2019-04-01 Air compressor machine takes off wet output increasing device based on booster compressor waste heat recovery

Country Status (1)

Country Link
CN (1) CN209875424U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111456950A (en) * 2020-03-17 2020-07-28 安徽晋煤中能化工股份有限公司 Air compressor machine heat recovery unit
CN111608886A (en) * 2020-04-09 2020-09-01 扬州秦风气体有限公司 Air inlet cooling system and method for air separation air compressor
CN114963604A (en) * 2022-07-29 2022-08-30 中国电建集团华东勘测设计研究院有限公司 Compressed air energy storage air inlet treatment system utilizing compressed air waste heat

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111456950A (en) * 2020-03-17 2020-07-28 安徽晋煤中能化工股份有限公司 Air compressor machine heat recovery unit
CN111608886A (en) * 2020-04-09 2020-09-01 扬州秦风气体有限公司 Air inlet cooling system and method for air separation air compressor
CN114963604A (en) * 2022-07-29 2022-08-30 中国电建集团华东勘测设计研究院有限公司 Compressed air energy storage air inlet treatment system utilizing compressed air waste heat

Similar Documents

Publication Publication Date Title
CN209875424U (en) Air compressor machine takes off wet output increasing device based on booster compressor waste heat recovery
CN103072166A (en) Closed wood fiber drying method
CN100406833C (en) Heat pipe hot pump composite drying power source system
CN103920374A (en) Compressed air solution drying and waste heat regeneration device and method
CN109555666B (en) System and method for recycling condensed water generated in cooler of air compressor
CN105314611B (en) A kind of double pressurized method dust technology device
CN101940867B (en) Zero gas consumption low dew-point waste heat regenerative absorbent type dryer
CN203024560U (en) Closed-type wood fiber drying system
CN103265158A (en) Method for dehumidifying and drying sludge by use of solar energy-heat pump coupling solution
CN109364704A (en) One kind heating regenerated compressed air air supply system based on steam
CN205187873U (en) Dual pressure dilute nitric acid device
CN214020033U (en) Nitric acid device tail gas treatment and waste heat recovery system
CN112960997A (en) Energy-efficient fertile machine of system
CN212274714U (en) Low-temperature waste heat recycling system
CN209271135U (en) One kind heating regenerated compressed air air supply system based on steam
CN201768479U (en) Zero-air rate low-dew point waste heat recyclable adsorption type drier
CN205187871U (en) Heat structure is crossed to dual pressure dilute nitric acid device's ammonia
CN203284304U (en) Device of drying sludge through solar energy-heat pump coupled liquid desiccating
CN207584952U (en) High-efficiency cold-hot is double to receive energy-saving constant-temperature constant wetting air conditioner processing system
CN207356872U (en) The low dew point heat of compression absorption drier of zero gas consumption of one kind
CN207012775U (en) Compressed air drying system
CN109198702A (en) Environmental protection and energy saving zero waste gas emission Pelleting line and production method
CN204502740U (en) A kind of compression heat regenerative drying machine cold blowing system
CN103053991A (en) Energy-saving cooling method and energy-saving cooling device of compressed air for aerobic microbial fermentation system
CN113198299B (en) Two-stage air compression and drying system and working method thereof

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant