CN210495761U - Oil gas recovery system of heat treatment furnace for aluminum foil production - Google Patents

Oil gas recovery system of heat treatment furnace for aluminum foil production Download PDF

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Publication number
CN210495761U
CN210495761U CN201921025215.3U CN201921025215U CN210495761U CN 210495761 U CN210495761 U CN 210495761U CN 201921025215 U CN201921025215 U CN 201921025215U CN 210495761 U CN210495761 U CN 210495761U
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oil gas
heat treatment
treatment furnace
pipeline
oil
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唐状田
崔广健
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Jiangsu Zhongji New Energy Technology Group Co ltd
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JIANGSU ZHONGJI LAMINATION MATERIALS CO LTD
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Abstract

The utility model discloses an aluminium foil production is with heat treatment furnace oil gas recovery system, including the heat treatment furnace, the exit linkage of heat treatment furnace has oil gas to collect the heat exchanger, oil gas collection heat exchanger has the precooler through the tube coupling, the precooler is connected with the degree of depth cooler, be provided with the oil gas entry on the lower part lateral wall of degree of depth cooler, the oil gas entry passes through an exit linkage of pipeline with the precooler, be provided with the oil gas export on the upper portion lateral wall of degree of depth cooler, the oil gas export passes through another access connection of pipeline with the precooler, another export of precooler has the fan through the tube coupling, the air outlet of fan passes through the air intake connection of pipeline with the heat treatment furnace, be provided with into nitrogen interface on the lateral wall of degree of depth cooler, it has nitrogen. The utility model discloses a technological effect for not influencing the production technology of owner, fully consider oil gas recovery and utilization, reduce production power consumption and oil gas recovery abundant.

Description

Oil gas recovery system of heat treatment furnace for aluminum foil production
Technical Field
The utility model relates to the technical field of oil gas recovery systems and methods, in particular to an oil gas recovery system of a heat treatment furnace for aluminum foil production.
Background
According to the survey of the production site of an owner, a complete gas collecting facility is available at present, and the oil gas recovery rate of aluminum foil processing reaches about 90%. 7.9 million tons of aluminum foil are processed every year, 4 to 5.5 kg/ton of rolling oil remains on the aluminum foil, the aluminum foil and the aluminum foil enter a heat treatment furnace together, and the aluminum foil is gasified at high temperature and then discharged into the atmosphere, wherein the aluminum foil is about 350 tons/year. The enterprise has 80 heat treatment furnaces, and according to the calculation of the data, about 4.375 tons of rolling oil is gasified at high temperature in each furnace every year and then discharged into the atmosphere.
For example, on the basis of the existing oil gas recovery, the oil gasified by the heat treatment furnace is further collected, about 350 tons of oil can be recovered every year, because the oil is only subjected to high-temperature heat treatment at 220 ℃, and only subjected to a physical evaporation process under the protection of nitrogen gas, the partially recovered oil product is completely possible to be continuously used as rolling oil, if repeated evaporation and condensation are carried out for many times, the physical properties of the oil product are changed, the oil product cannot be suitable for the rolling oil, and the rolling oil is composed of alkanes such as C12-C15 and the like, and the components of the oil product are similar to kerosene, so the collected oil can be completely used as fuel oil for recycling.
Through field investigation, the heat treatment process of the current aluminum foil processing generally has the characteristic of high energy consumption, the middle-based composite material company Limited adopts a treatment mode of supplementing heat exchange air to a heat treatment furnace to maintain micro-positive pressure, the power consumption of 250kwh required by each ton of aluminum foil is converted into the best technical and economic index in China, and if the negative pressure heat treatment mode is adopted in the same industry, the energy consumption index is estimated to be more than 300 kwh/ton of aluminum. No matter the positive pressure heat treatment or the negative pressure heat treatment is carried out, the oil gas gasified at high temperature in the heat treatment furnace is discharged out of the furnace by introducing air, new cold air is bound to enter, and the introduced cold air is bound to be continuously heated to the heat preservation temperature by consuming electric power to maintain the temperature in the furnace.
Therefore, it is necessary to design a heat treatment furnace oil-gas recovery system and an oil-gas recovery method thereof for aluminum foil production, which do not affect the production process of the owners, fully consider oil-gas recovery and resource utilization, reduce the production electric energy consumption, and fully recover oil gas.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an aluminium foil production is with heat treatment furnace oil gas recovery system and oil gas recovery method to realize the technological effect that proposes in the above-mentioned background art.
In order to realize the purpose, the utility model provides the following technical scheme: an oil gas recovery system of a heat treatment furnace for producing aluminum foils comprises the heat treatment furnace, wherein an outlet of the heat treatment furnace is connected with an oil gas collecting heat exchanger, the oil gas collecting heat exchanger comprises a heat exchanger tube body, a plurality of thin copper tubes which are uniformly arranged are fixed between two round surfaces of the heat exchanger tube body, a first end sleeve is fixed at one end of the heat exchanger tube body in a threaded manner, a second end sleeve is fixed at the other end of the heat exchanger tube body in a threaded manner, an air inlet connector is arranged on the round surface of the first end sleeve and is connected with an outlet of the heat treatment furnace through a pipeline, an air outlet connector is arranged on the curved surface of the second end sleeve and is connected with a precooler through a pipeline, the precooler is connected with a deep cooler, an oil gas inlet is arranged on the side wall of the lower part of the deep cooler, and is connected with an outlet of the precooler, an oil gas outlet is formed in the side wall of the upper portion of the deep cooler and is connected with the other inlet of the precooler through a pipeline, the other outlet of the precooler is connected with a fan through a pipeline, an air outlet of the fan is connected with an air inlet of the heat treatment furnace through a pipeline, a plurality of nitrogen inlet interfaces are arranged on the side wall of the deep cooler in the vertical direction, and the nitrogen inlet interfaces are connected with nitrogen supply equipment through pipelines.
Preferably, the two ends of the heat exchanger tube body are respectively provided with an external thread interface, and the first end sleeve and the second end sleeve are both provided with internal thread interfaces which are fixedly connected with the external thread interfaces in a thread manner.
Preferably, an oil discharge joint is arranged on the round surface of the second end sleeve and is connected with a first oil collecting tank through a pipeline and a switch valve.
Preferably, a water inlet joint and a water outlet joint are arranged on the side wall of the heat exchanger tube body.
Preferably, the water inlet joint is connected with a water storage tank through a pipeline and a circulating water pump.
Preferably, the water outlet joint is connected with the inlet of the water storage tank through a pipeline.
Preferably, the precooler is connected with a second oil collecting tank through a pipeline and a switch valve.
Preferably, the side wall of the lower part of the deep cooler is connected with a third oil collecting tank through a pipeline and a switch valve.
Preferably, the upper surface of the deep cooler is fixedly connected with a vent pipe.
The oil gas recovery method of the heat treatment furnace for producing the aluminum foil specifically comprises the following steps:
the method comprises the following steps: grouping and collecting oil gas at discharge ports of the heat treatment furnaces, carrying out centralized treatment on the oil gas at the discharge ports of the heat treatment furnaces through pipelines, cooling the collected oil gas to below 50 ℃ by adopting an oil gas collecting heat exchanger, condensing part of the oil gas, and collecting condensate through a first oil collecting tank;
step two: the oil gas cooled by the oil gas collecting heat exchanger enters a precooler, wherein the oil gas is cooled to below 20 ℃ by cooling gas at the temperature of minus 20 ℃ in the precooler, so that the oil gas in the oil gas is further condensed and then is collected by a second oil collecting tank;
step three: introducing the precooled oil gas into a deep cooler, automatically sensing the temperature of an oil gas inlet and an oil gas outlet of the oil gas by the deep cooler with a temperature sensor, controlling a nitrogen supply device to work through a PLC (programmable logic controller) and spraying liquid nitrogen into the deep cooler, rapidly gasifying the liquid nitrogen, mixing the liquid nitrogen with the oil gas in a filler mixer of the deep cooler, reducing the temperature to below 0 ℃ to-20 ℃, leading the oil gas and unsaturated water vapor in the oil gas to be saturated, condensed and separated out due to the rapid temperature drop, and collecting condensate through a third oil collecting tank;
step four: the oil gas which is subjected to deep cooling to-20 ℃ by the deep cooler and is subjected to oil gas and water removal and drying to reach the standard enters the precooler again, and after precooling is carried out on the oil gas, the temperature is raised to about 10 ℃;
step five: and exchanging heat between the nitrogen-rich gas heated to 8-12 ℃ and oil gas discharged by the heat treatment furnace, preheating to more than 50 ℃, and sending the nitrogen-rich gas to the heat treatment furnace through a fan instead of the original fresh air.
Compared with the prior art, the beneficial effects of utility model are that:
1. this aluminium foil production is with heat treatment furnace oil gas recovery system utilizes cold water to cool down through setting up oil gas collection heat exchanger and corresponding first oil collecting tank, realizes the first grade cooling recovery to oil in the oil gas, utilizes cold air to cool down through setting up precooler and second oil collecting tank, realizes the second grade cooling recovery to oil in the oil gas, through setting up degree of depth cooler and third oil collecting tank, utilizes the liquid nitrogen to cool down and realizes the tertiary cooling recovery to oil in the oil gas, realizes the abundant recovery to oil in the oil gas to cooling mode wherein can reduce the production electric energy consumption.
2. The oil-gas collecting heat exchanger comprises a heat exchanger tube body, a plurality of thin copper tubes which are uniformly arranged are fixed between two round surfaces of the heat exchanger tube body, a first end sleeve is fixed at one end of the heat exchanger tube body through threads, a second end sleeve is fixed at the other end of the heat exchanger tube body through threads, an air inlet connector is arranged on the round surface of the first end sleeve and is connected with an outlet of the heat treatment furnace through a pipeline, an air outlet connector is arranged on the curved surface of the second end sleeve, a water inlet connector and a water outlet connector are arranged on the side wall of the heat exchanger tube body, the water inlet connector is connected with a water storage tank through a pipeline and a circulating water pump, the water outlet connector is connected with an inlet of the water storage tank through a pipeline, wherein cold water conveyed from the water storage tank enters the heat exchanger tube body, oil gas enters the thin copper tubes to exchange heat with the cold, the arrangement of a plurality of thin copper pipes can improve the heat exchange area and the effect of primary cooling oil collection, wherein the water after heat exchange and the cold water in the water storage tank realize the circulating reciprocating cooling under the action of the circulating water pump, thereby saving energy.
3. This heat treatment furnace oil gas recovery system is used in aluminium foil production, precooler wherein is connected with the degree of depth cooler, be provided with the oil gas entry on the lower part lateral wall of degree of depth cooler, the oil gas entry passes through an exit linkage of pipeline and precooler, be provided with the oil gas export on the upper portion lateral wall of degree of depth cooler, the oil gas export passes through another access connection of pipeline and precooler, and be provided with a plurality of nitrogen inlet interface along vertical direction on the lateral wall of degree of depth cooler, nitrogen inlet interface has the nitrogen supply equipment through the pipe connection, utilize the liquid nitrogen to carry out the comprehensive cooling of upper and lower floor, and with more that cooling temperature reduces, improve the abundant recovery to the oil in the oil gas, and practice thrift the electric energy.
4. This aluminium foil production is with heat treatment furnace oil gas recovery system through being provided with the oil gas export on the upper portion lateral wall at degree of depth cooler, and the oil gas export is through another access connection of pipeline and precooler, and another export of precooler has the fan through the tube coupling, and the air outlet of fan passes through the air intake connection of pipeline and heat treatment furnace, carries out cyclic utilization with the oil gas after handling, does not influence owner's production technology, fully considers oil gas recovery and utilization.
Drawings
FIG. 1 is a schematic view showing the connection of an oil-gas recovery system of a heat treatment furnace for aluminum foil production;
FIG. 2 is a schematic structural view of an oil-gas collecting heat exchanger of an oil-gas recovery system of a heat treatment furnace for aluminum foil production;
fig. 3 is a schematic view of the internal structure of an oil-gas collecting heat exchanger of a heat treatment furnace oil-gas recovery system for aluminum foil production.
In the figure: 1-heat treatment furnace; 2-oil gas collection heat exchanger; 21-a heat exchanger tube; 22-a first end sleeve; 23-a second end sleeve; 24-an air outlet joint; 25-an air inlet joint; 26-oil drain joint; 27-water inlet joint; 28-water outlet joint; 29-external threaded interface; 210-a thin copper tube; 3-a precooler; 4-deep cooling; 5-a switch valve; 6-a first oil collecting tank; 7-a second oil collecting tank; 8-a third oil collecting tank; 9-oil gas inlet; 10-oil gas outlet; 11-a blow-down pipe; 12-a nitrogen supply device; 13-nitrogen inlet interface; 14-a fan; 15-a water storage tank; 16-circulating water pump.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model provides a technical solution: an oil gas recovery system of a heat treatment furnace for aluminum foil production comprises a heat treatment furnace 1, wherein an outlet of the heat treatment furnace 1 is connected with an oil gas collecting heat exchanger 2, the oil gas collecting heat exchanger 2 comprises a heat exchanger tube body 21, a plurality of fine copper tubes 210 which are uniformly arranged are fixed between two round surfaces of the heat exchanger tube body 21, one end of the heat exchanger tube body 21 is fixed with a first end sleeve 22 through threads, the other end of the heat exchanger tube body 21 is fixed with a second end sleeve 23 through threads, the round surface of the first end sleeve 22 is provided with an air inlet connector 25, the air inlet connector 25 is connected with an outlet of the heat treatment furnace 1 through a pipeline, the curved surface of the second end sleeve 23 is provided with an air outlet connector 24, the air outlet connector 24 is connected with a precooler 3 through a pipeline, the precooler 3 is connected with a depth cooler 4, and an oil gas inlet 9 is arranged on the side wall, the oil gas inlet 9 is connected with one outlet of the precooler 3 through a pipeline, an oil gas outlet 10 is arranged on the side wall of the upper part of the deep cooler 4, the oil gas outlet 10 is connected with the other inlet of the precooler 3 through a pipeline, the other outlet of the precooler 3 is connected with a fan 14 through a pipeline, an air outlet of the fan 14 is connected with an air inlet of the heat treatment furnace 1 through a pipeline, a plurality of nitrogen inlet connectors 13 are arranged on the side wall of the deep cooler 4 along the vertical direction, and the nitrogen inlet connectors 13 are connected with a nitrogen supply device 12 through pipelines.
In this embodiment, the two ends of the heat exchanger tube body 21 are respectively provided with an external thread interface 29, and the first end sleeve 22 and the second end sleeve 23 are both provided with an internal thread interface fixedly connected with the external thread interface 29 through a thread.
In this embodiment, an oil discharge joint 26 is disposed on the circular surface of the second end sleeve 23, and the oil discharge joint 26 is connected to the first oil collecting tank 6 through a pipeline and the switch valve 5.
In this embodiment, a water inlet joint 27 and a water outlet joint 28 are disposed on the side wall of the heat exchanger tube body 21.
In this embodiment, the water inlet joint 27 is connected to the water storage tank 15 through a pipeline and the circulating water pump 16.
In this embodiment, the water outlet connector 28 is connected to the inlet of the water storage tank 15 through a pipeline.
In this embodiment, the precooler 3 is connected to a second oil collecting tank 7 through a pipeline and a switch valve 5.
In this embodiment, the lower side wall of the deep cooler 4 is connected to a third oil collecting tank 8 through a pipeline and a switch valve 5.
In this embodiment, the upper surface of the deep cooler 4 is fixedly connected with a vent pipe 11.
The oil gas recovery method of the heat treatment furnace for producing the aluminum foil specifically comprises the following steps:
the method comprises the following steps: grouping and collecting oil gas at the discharge ports of the heat treatment furnaces 1, carrying out centralized treatment on the oil gas at the discharge ports of the heat treatment furnaces 1 through pipelines, cooling the collected oil gas to below 50 ℃ by using an oil gas collecting heat exchanger 2, condensing part of the oil gas, and collecting condensate through a first oil collecting tank 6;
step two: the oil gas cooled by the oil gas collecting heat exchanger 2 enters a precooler 3, wherein the oil gas is cooled to below 20 ℃ by cooling gas at minus 20 ℃ in the precooler 3, so that the oil gas in the oil gas is further condensed and then is collected by a second oil collecting tank 7;
step three: introducing the precooled oil gas into a deep cooler 4, automatically sensing the temperature of an oil gas inlet 9 and an oil gas outlet 10 of the oil gas by the deep cooler 4 with a temperature sensor, controlling a nitrogen supply device 12 to work through a PLC (programmable logic controller) to spray liquid nitrogen into the deep cooler 4, quickly gasifying the liquid nitrogen, mixing the liquid nitrogen with the oil gas in a filler mixer of the deep cooler 4, reducing the temperature to below 0 ℃ to-20 ℃, leading the oil gas and unsaturated water vapor in the oil gas to be saturated, condensed and separated out due to the sudden temperature reduction, and collecting condensate through a third oil collecting tank 8;
step four: the oil gas which is subjected to deep cooling to-20 ℃ by the deep cooler 4 and is subjected to oil gas and water removal and drying to reach the standard enters the precooler 3 again, and after precooling is carried out on the oil gas, the temperature is raised to about 10 ℃;
step five: and exchanging heat between the nitrogen-rich gas heated to 8-12 ℃ and the oil gas discharged from the heat treatment furnace 1, preheating to more than 50 ℃, and sending the nitrogen-rich gas to the heat treatment furnace 1 through a fan 14 instead of the original fresh air.
The working principle is as follows: this aluminium foil production is with heat treatment furnace oil gas recovery system utilizes cold water to cool down through setting up oil gas collection heat exchanger 2 and corresponding first oil collecting tank 6, realizes the first grade cooling recovery to oil in the oil gas, utilizes cold air to cool down through setting up precooler 3 and second oil collecting tank 7, realizes the second grade cooling recovery to oil in the oil gas, through setting up degree of depth cooler 4 and third oil collecting tank 8, utilizes the liquid nitrogen to cool down and realizes the tertiary cooling recovery to oil in the oil gas, realizes the abundant recovery to oil in the oil gas to the cooling method wherein can reduce the production power consumption. The oil gas collecting heat exchanger 2 comprises a heat exchanger tube body 21, a plurality of fine copper tubes 210 which are uniformly arranged are fixed between two round surfaces of the heat exchanger tube body 21, a first end sleeve 22 is fixed at one end of the heat exchanger tube body 21 through threads, a second end sleeve 23 is fixed at the other end of the heat exchanger tube body 21 through threads, an air inlet connector 25 is arranged on the round surface of the first end sleeve 22, the air inlet connector 25 is connected with an outlet of the heat treatment furnace 1 through a pipeline, an air outlet connector 24 is arranged on the curved surface of the second end sleeve 23, a water inlet connector 27 and a water outlet connector 28 are arranged on the side wall of the heat exchanger tube body 21, the water inlet connector 27 is connected with a water storage tank 15 through a pipeline and a circulating water pump 16, the water outlet connector 28 is connected with an inlet of the water storage tank 15 through a pipeline, wherein cold water conveyed from the water storage tank 15 enters the heat exchanger tube body 21, oil gas enters the fine copper tubes 210 to perform heat, the arrangement of the plurality of thin copper tubes 210 can increase the heat exchange area and improve the effect of primary cooling oil collection, wherein the water after heat exchange and the cold water in the water storage tank 15 realize the circulating reciprocating cooling and temperature reduction under the action of the circulating water pump 16, thereby saving energy. This heat treatment furnace oil gas recovery system is used in aluminium foil production, precooler 3 wherein is connected with degree of depth cooler 4, be provided with oil gas entry 9 on the lower part lateral wall of degree of depth cooler 4, oil gas entry 9 passes through an exit linkage of pipeline and precooler 3, be provided with oil gas export 10 on the upper portion lateral wall of degree of depth cooler 4, oil gas export 10 passes through another access connection of pipeline and precooler 3, and be provided with a plurality of nitrogen inlet interface 13 along vertical direction on the lateral wall of degree of depth cooler 4, nitrogen inlet interface 13 has nitrogen supply equipment 12 through the pipe connection, utilize the liquid nitrogen to carry out the comprehensive cooling of upper and lower floor, and reduce cooling temperature more, improve the abundant recovery to the oil in the oil gas, and practice thrift the electric energy. This aluminium foil production is with heat treatment furnace oil gas recovery system is through being provided with oil gas outlet 10 on the upper portion lateral wall at degree of depth cooler 4, oil gas outlet 10 is through another access connection of pipeline with precooler 3, another export of precooler 3 has fan 14 through the tube coupling, fan 14's air outlet passes through the air intake connection of pipeline with heat treatment furnace 1, carries out cyclic utilization with the oil gas after handling, does not influence owner's production technology, fully considers oil gas recovery and utilization.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (9)

1. The utility model provides an aluminium foil production is with heat treatment furnace oil gas recovery system which characterized in that: the oil gas collection heat exchanger comprises a heat treatment furnace (1), an outlet of the heat treatment furnace (1) is connected with an oil gas collection heat exchanger (2), the oil gas collection heat exchanger (2) comprises a heat exchanger tube body (21), a plurality of fine copper tubes (210) which are uniformly arranged are fixed between two round surfaces of the heat exchanger tube body (21), one end of the heat exchanger tube body (21) is fixed with a first end sleeve (22) through threads, the other end of the heat exchanger tube body (21) is fixed with a second end sleeve (23) through threads, a round surface of the first end sleeve (22) is provided with an air inlet connector (25), the air inlet connector (25) is connected with an outlet of the heat treatment furnace (1) through a pipeline, a curved surface of the second end sleeve (23) is provided with an air outlet connector (24), the air outlet connector (24) is connected with a precooler (3) through a pipeline, and the precooler (3) is connected, the deep cooler is characterized in that an oil gas inlet (9) is formed in the side wall of the lower portion of the deep cooler (4), the oil gas inlet (9) is connected with an outlet of the precooler (3) through a pipeline, an oil gas outlet (10) is formed in the side wall of the upper portion of the deep cooler (4), the oil gas outlet (10) is connected with another inlet of the precooler (3) through a pipeline, another outlet of the precooler (3) is connected with a fan (14) through a pipeline, an air outlet of the fan (14) is connected with an air inlet of the heat treatment furnace (1) through a pipeline, a plurality of nitrogen inlet interfaces (13) are arranged on the side wall of the deep cooler (4) in the vertical direction, and the nitrogen inlet interfaces (13) are connected with nitrogen supply equipment (12) through pipelines.
2. The oil gas recovery system of a heat treatment furnace for aluminum foil production as set forth in claim 1, wherein: and external thread interfaces (29) are respectively arranged at two ends of the heat exchanger tube body (21), and internal thread interfaces which are fixedly connected with the external thread interfaces (29) are respectively arranged on the first end sleeve (22) and the second end sleeve (23).
3. The oil gas recovery system of a heat treatment furnace for aluminum foil production as set forth in claim 1, wherein: an oil discharge joint (26) is arranged on the circular surface of the second end sleeve (23), and the oil discharge joint (26) is connected with a first oil collecting tank (6) through a pipeline and a switch valve (5).
4. The oil gas recovery system of a heat treatment furnace for aluminum foil production as set forth in claim 1, wherein: and a water inlet joint (27) and a water outlet joint (28) are arranged on the side wall of the heat exchanger pipe body (21).
5. The oil gas recovery system of a heat treatment furnace for aluminum foil production as set forth in claim 4, wherein: the water inlet joint (27) is connected with a water storage tank (15) through a pipeline and a circulating water pump (16).
6. The oil gas recovery system of a heat treatment furnace for aluminum foil production as set forth in claim 5, wherein: the water outlet joint (28) is connected with an inlet of the water storage tank (15) through a pipeline.
7. The oil gas recovery system of a heat treatment furnace for aluminum foil production as set forth in claim 1, wherein: the precooler (3) is connected with a second oil collecting tank (7) through a pipeline and a switch valve (5).
8. The oil gas recovery system of a heat treatment furnace for aluminum foil production as set forth in claim 1, wherein: and the side wall of the lower part of the deep cooler (4) is connected with a third oil collecting tank (8) through a pipeline and a switch valve (5).
9. The oil gas recovery system of a heat treatment furnace for aluminum foil production as set forth in claim 1, wherein: and the upper surface of the deep cooler (4) is fixedly connected with a vent pipe (11).
CN201921025215.3U 2019-07-03 2019-07-03 Oil gas recovery system of heat treatment furnace for aluminum foil production Active CN210495761U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110314482A (en) * 2019-07-03 2019-10-11 江苏中基复合材料有限公司 A kind of aluminium foil production heat-treatment furnace gas recovery system for oil and its oil-gas recovery method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110314482A (en) * 2019-07-03 2019-10-11 江苏中基复合材料有限公司 A kind of aluminium foil production heat-treatment furnace gas recovery system for oil and its oil-gas recovery method
CN110314482B (en) * 2019-07-03 2024-05-07 江苏中基新能源科技集团有限公司 Heat treatment furnace oil gas recovery system for aluminum foil production and oil gas recovery method thereof

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Address after: 214443 No. 2 Yabao Avenue, Shengang Town, Jiangyin City, Wuxi City, Jiangsu Province

Patentee after: Jiangsu Zhongji New Energy Technology Group Co.,Ltd.

Address before: 214443 No. 2 Yabao Avenue, Shengang Town, Jiangyin City, Wuxi City, Jiangsu Province

Patentee before: JIANGSU ZHONGJI LAMINATION MATERIALS Co.,Ltd.