CN210242449U - Tail gas treatment device of hot air circulation degreasing furnace - Google Patents
Tail gas treatment device of hot air circulation degreasing furnace Download PDFInfo
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- CN210242449U CN210242449U CN201920641144.3U CN201920641144U CN210242449U CN 210242449 U CN210242449 U CN 210242449U CN 201920641144 U CN201920641144 U CN 201920641144U CN 210242449 U CN210242449 U CN 210242449U
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Abstract
The utility model discloses a tail gas treatment device of a heated air circulation degreasing furnace, which comprises an air inlet pipe, an air outlet pipe, a collecting barrel, a filtering pipeline and a heating pipeline, wherein a condensation backflow pipe is arranged in the filtering pipeline, one end of the filtering pipeline is provided with an air inlet, the position above the other end is provided with an air outlet, a liquid outlet is also arranged below one end of the filtering pipeline close to the air inlet, the air outlet pipe is hermetically connected with the air inlet of the filtering pipeline, the end part of the filtering pipeline close to the air outlet is open and is connected with a sealing end cover through a flange seal, the condensation backflow pipe is fixed on the inner side surface of the sealing end cover, and meanwhile, two end backflow pipes of the condensation backflow pipe; the utility model provides a present there is exhaust gas purification device's processing procedure comparatively loaded down with trivial details, and the liquid waste collection part lacks filter assembly, causes the problem that a small amount of impurity that mix with in the organic waste can not effectively separate.
Description
Technical Field
The utility model relates to a degreasing furnace technical field specifically is a tail gas processing apparatus of heated air circulation degreasing furnace.
Background
The hot air circulation degreasing furnace is widely applied to glue removing, drying, curing and other processes of structural ceramics, electronic ceramic elements, magnetic materials, piezoresistor devices and other products. Adopt heated air circulation principle, the furnace temperature is even, is fit for pilot scale and mass production, and it is when carrying out the binder removal degrease processing, need be equipped with corresponding tail gas processing apparatus usually to carry out follow-up purification treatment with the organic waste gas that the product degrease was volatilized, avoid the environmental pollution problem that the direct discharge of waste gas caused, and current exhaust gas purification device's processing procedure is comparatively loaded down with trivial details, and liquid waste collection part lacks filter assembly, causes the problem that a small amount of impurity that mix with in the organic waste can not effectively separate.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The tail gas treatment device of heated air circulation degrease stove is not enough to prior art, the utility model provides a current processing procedure that has exhaust gas purification device is comparatively loaded down with trivial details, and the liquid waste collection part lacks filter assembly, causes the problem that a small amount of impurity that mix with in the organic waste can not effectively separate.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a tail gas treatment device of a hot air circulation degreasing furnace comprises an air inlet pipe, an air outlet pipe, a collecting barrel, a filtering pipeline and a heating pipeline, wherein a condensation backflow pipe is arranged in the filtering pipeline, an air inlet is formed in one end of the filtering pipeline, an air outlet is formed in the position above the other end of the filtering pipeline, a liquid outlet is further formed in the position, close to the air inlet, of the filtering pipeline, the lower portion of one end of the filtering pipeline is provided with a liquid outlet, the air outlet pipe is connected with the air inlet of the filtering pipeline in a sealing mode, the end portion, close to the air outlet, of the filtering pipeline is open and is connected with a sealing end cover in a sealing mode through a flange;
an electric heating pipe is fixedly arranged in the heating pipeline, two ends of the heating pipeline are respectively communicated with an air outlet and an air inlet pipe of the filtering pipeline in a sealing way through a connecting pipeline, an exhaust fan is fixedly arranged on the pipeline between the heating pipeline and the air outlet of the filtering pipeline, and a filter screen is fixedly connected to the air outlet;
the trash-removing device is characterized in that a trash-removing port is further formed in the upper end of the collecting barrel, a trash-removing end cover is connected to the trash-removing port in a threaded mode, the lower end of the trash-removing end cover is fixedly connected with a filtering inner barrel capable of extending to the position below the trash-removing port, the upper end of the filtering inner barrel is open, the lower end of the filtering inner barrel is sealed, a through hole is formed in the center of the trash-removing end cover, a liquid inlet is formed in the center of the top face of the trash-removing end cover in an integrated mode, the liquid inlet is communicated.
Preferably, a strip-shaped observation port is formed in the side wall of the front end of the collecting barrel from top to bottom, the strip-shaped observation port is located right below the liquid inlet, and a transparent sealing strip is connected to the strip-shaped observation port in a sealing mode.
Preferably, the transparent sealing strip is further provided with scale marks distributed from top to bottom.
Preferably, the liquid outlet below the filtering pipeline and the liquid inlet outer wall at the center of the top surface of the impurity discharging end cover are both wrapped by a circle of electric heating jacket.
Preferably, the condensate return pipe is integrally provided in a spiral structure.
Preferably, the filtering pipeline is arranged in an inclined placement structure with the height gradually increasing from one end close to the liquid outlet to the other end.
(III) advantageous effects
The utility model provides a tail gas processing apparatus of heated air circulation degrease stove possesses following beneficial effect:
the utility model can achieve the purpose of liquefying and collecting the organic waste gas in the tail gas discharged by the hot air circulation degreasing furnace, and avoid the problem of environmental pollution caused by directly discharging the waste gas by arranging the tail gas cooling and liquefying treatment device;
through the design that the impurity discharging port is arranged at the upper end of the collecting barrel, the impurity discharging end cover is in threaded connection with the impurity discharging port, the lower end of the impurity discharging end cover is fixedly provided with the filtering inner barrel which can extend to the lower part of the impurity discharging port, and the filtering net is fixedly connected to the air outlet, other non-organic solid impurities discharged along with waste gas in the degreasing inner cavity can be separated, so that relatively pure liquid organic wastes can be obtained in the collecting barrel, convenience is provided for subsequent organic waste combustion or other post-treatment stages, after the solid impurities discharged along with the organic waste gas are intercepted by the filtering net on the air outlet, the solid impurities fall into the liquid outlet under the action of gravity and then enter the collecting barrel, so that the solid organic wastes are collected in the filtering inner barrel, meanwhile, the filtering inner barrel is set into a detachable structural form, when the impurities in the filtering inner barrel need to be taken out or the organic waste liquid, only need demolish connecting bolt on the flange between leakage fluid dram and the inlet for the collecting vessel breaks away from the filter tube way, then will arrange miscellaneous end cover and unscrew from arranging miscellaneous mouthful, alright take off the collecting vessel this moment, empty solid impurity wherein, simultaneously with liquid organic waste from arrange miscellaneous mouthful directly pour out can.
In order to conveniently observe the liquid collection amount in the collecting barrel, the collecting barrel is convenient to replace in time, meanwhile, the liquid flow flowing downwards from the liquid inlet is convenient to observe, whether the liquid inlet is blocked or not can be checked at any time, a strip-shaped observation port is formed in the side wall of the front end of the collecting barrel from top to bottom, the strip-shaped observation port is located under the liquid inlet, and a transparent sealing strip is hermetically connected to the strip-shaped observation port.
In order to avoid solidifying because of the organic liquid that the low temperature caused, thereby cause the problem of leakage fluid dram and inlet jam, it has the round electrical heating jacket all to wrap up on the leakage fluid dram of filter tube below and the inlet outer wall at row miscellaneous end cover top surface center, observe liquid flow just hour through the viewing aperture, can pass through the circular telegram with electrical heating jacket, the heating temperature of regulation and control electrical heating jacket is less than the boiling point of organic liquid simultaneously, alright this moment in order to realize the organic liquid heating liquefaction that will solidify, avoid the purpose of jam.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the connection between the reflux condenser and the end cap;
FIG. 3 is a schematic view of the structure of the trash discharging end cap connected to the inner filtering barrel;
fig. 4 is a schematic top view of the impurity removing end cap of the present invention;
fig. 5 is an enlarged view of the structure at a in fig. 1 of the present invention.
In the figure: the device comprises an air inlet pipe 1, a heating pipeline 2, an exhaust fan 3, an air outlet 4, a sealing end cover 5, a filtering pipeline 6, a liquid discharge port 7, an air inlet 8, an air outlet pipe 9, a liquid inlet 10, a collecting barrel 11, a strip-shaped observation port 12, a transparent sealing strip 13, an impurity discharge port 15, an impurity discharge end cover 16, a filtering inner barrel 17, a through hole 18, an electric heating jacket 19 and a condensation reflux pipe 20.
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.
As shown in fig. 1-5, a tail gas treatment device of a heated air circulation degreasing furnace comprises an air inlet pipe 1, an air outlet pipe 9, a collecting barrel 11, a filtering pipeline 6 and a heating pipeline 2, wherein a condensation reflux pipe 20 is arranged in the filtering pipeline 6, an air inlet 8 is arranged at one end of the filtering pipeline 6, an air outlet 4 is arranged above the other end of the filtering pipeline 6, a liquid discharge port 7 is further arranged below one end of the filtering pipeline 6 close to the air inlet 8, the air outlet pipe 9 is hermetically connected with the air inlet 8 of the filtering pipeline 6, an end part of the filtering pipeline 6 close to the air outlet 4 is arranged in an open manner and is hermetically connected with a sealing end cover 5 through a flange, the condensation reflux pipe 20 is fixed on the inner side surface of the sealing end cover 5;
an electric heating pipe is fixedly arranged in the heating pipeline 2, two ends of the heating pipeline 2 are respectively communicated with the air outlet 4 of the filtering pipeline 6 and the air inlet pipe 1 in a sealing way through a connecting pipeline, an exhaust fan 3 is fixedly arranged on the pipeline between the heating pipeline 2 and the air outlet 4 of the filtering pipeline 6, and a filter screen is fixedly connected to the air outlet 4;
the upper end of the collecting barrel 11 is also provided with a trash discharging port 15, the trash discharging port 15 is connected with a trash discharging end cover 16 through threads, the lower end of the trash discharging end cover 16 is fixedly connected with a filtering inner barrel 17 which can extend to the position below the trash discharging port 15, the upper end of the filtering inner barrel 17 is open, the lower end of the filtering inner barrel is sealed, a through hole 18 is formed in the center of the trash discharging end cover 16, the top surface center of the trash discharging end cover 16 is further integrally formed with a liquid inlet 10, the liquid inlet 10 is communicated with the through hole 18, and the liquid discharging port 7 below the filtering pipeline 6 is connected with.
Through the arrangement of the tail gas treatment device, the purposes of liquefying and collecting organic waste gas in tail gas discharged by the hot air circulation degreasing furnace in a centralized manner can be achieved, and the problem of environmental pollution caused by direct discharge of the waste gas is avoided, the gas inlet pipe 1 and the gas outlet pipe 9 of the tail gas treatment device are both communicated with a degreasing inner cavity of the degreasing furnace, so that assembly operation is realized, meanwhile, two return pipes extending from the condensation return pipe 20 to the outer side of the sealing end cover 5 are respectively connected with a water inlet and a water outlet of an external cooling circulation water tank, so that the heat exchange process of the condensation return pipe 20 can be realized by utilizing the external cooling circulation water tank, waste gas generated by degreasing enters the filtering pipe 6 from the gas outlet pipe 9 and is rapidly cooled by the condensation return pipe 20, so that organic gas in the waste gas is liquefied, and formed liquid drops flow down along the inner wall of the filtering pipe 6 and the lower end of the, the filtered clean gas is discharged from a gas outlet 4, is pumped into a heating pipeline 2 through an exhaust fan 3 for heating treatment, and the heated clean hot air is finally returned into a degreasing inner cavity through a gas inlet pipe 1 for heating degreasing operation, so that the tail gas mixed with organic waste gas is circularly treated, and the aim of quickly and simply purifying the tail gas is fulfilled;
furthermore, the upper end of the collecting barrel 11 is provided with the impurity discharging port 15, the impurity discharging port 15 is in threaded connection with the impurity discharging end cover 16, the lower end of the impurity discharging end cover 16 is fixedly provided with the filtering inner barrel 17 which can extend to the lower part of the impurity discharging port 15, and the air outlet 4 is fixedly connected with the filtering net, so that other non-organic solid impurities discharged along with waste gas in the degreasing inner cavity can be separated, and therefore relatively pure liquid organic waste can be obtained in the collecting barrel 11, convenience is provided for subsequent organic waste combustion or other post-treatment stages, after the solid impurities discharged along with the organic waste gas are intercepted by the filtering net on the air outlet 4, the solid impurities finally fall into the liquid outlet 7 under the action of gravity and then enter the collecting barrel 11, and are collected in the filtering inner barrel 17, meanwhile, the filtering inner barrel 17 is set into a detachable structural form, when the impurities in the filtering inner barrel 17 need to be taken out or the organic waste liquid in the collecting barrel 11 needs to be post-treated, only need to demolish the connecting bolt on the flange between drain outlet 7 and the inlet 10 for collecting vessel 11 breaks away from filter tube 6, then unscrews row's miscellaneous end cover 16 from row miscellaneous mouth 15, alright take off collecting vessel 11 this moment, pours out the solid impurity wherein, directly pours out can from row miscellaneous mouth 15 with liquid organic waste simultaneously.
In order to conveniently observe the liquid collection amount in the collection barrel 11 and conveniently replace the collection barrel 11 in time, and meanwhile, the liquid flow flowing downwards from the liquid inlet 10 is conveniently observed so as to conveniently check whether the liquid inlet 10 is blocked or not, a strip-shaped observation port 12 is formed in the side wall of the front end of the collection barrel 11 from top to bottom, the strip-shaped observation port 12 is located right below the liquid inlet 10, and a transparent sealing strip 13 is connected to the strip-shaped observation port 12 in a sealing mode; the transparent sealing strip 13 is also provided with scale marks distributed from top to bottom;
in order to avoid solidifying because of the organic liquid that the low temperature caused, thereby cause the problem of leakage fluid dram 7 and inlet 10 jam, it has round electrical heating jacket 19 all to wrap up on leakage fluid dram 7 and the inlet 10 outer wall of row's miscellaneous end cover 16 top surface center of filter tube 6 below, observe liquid flow just hour through viewing aperture 12, can pass through electrical heating jacket 19 circular telegram, the heating temperature of regulation and control electrical heating jacket 19 is less than the boiling point of organic liquid simultaneously, alright realize the organic liquid heating liquefaction that will solidify this moment, avoid the purpose of jam, because the concrete structure detail and the principle of electrical heating jacket 19 belong to prior art, this application only utilizes its function to realize the heating process, consequently, give unnecessary details here.
In order to increase the contact area between the reflux condenser tube 20 and the exhaust gas and improve the liquefaction effect, the reflux condenser tube 20 is integrally formed in a spiral structure.
In order to facilitate the smooth flowing of the liquefied organic waste to the position of the liquid discharge port 7, the filtering pipe 6 is arranged in an inclined placement structure with the height gradually increasing from one end close to the liquid discharge port 7 to the other end.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a tail gas processing apparatus of heated air circulation degrease stove, includes intake pipe (1), outlet duct (9), collecting vessel (11), filtering duct (6) and heated tube way (2), its characterized in that: a condensation backflow pipe (20) is arranged in the filtering pipeline (6), an air inlet (8) is formed in one end of the filtering pipeline (6), an air outlet (4) is formed in the position above the other end of the filtering pipeline (6), a liquid outlet (7) is further formed in the position, below one end, close to the air inlet (8), of the filtering pipeline (6), the air outlet pipe (9) is hermetically connected with the air inlet (8) of the filtering pipeline (6), the end portion, close to the air outlet (4), of one end of the filtering pipeline (6) is open and is connected with a sealing end cover (5) in a sealing mode through a flange, the condensation backflow pipe (20) is fixed on the inner side face of the sealing end cover (5), and meanwhile backflow pipes at two ends of the condensation backflow pipe;
an electric heating pipe is fixedly installed inside the heating pipeline (2), two ends of the heating pipeline (2) are respectively communicated with an air outlet (4) of the filtering pipeline (6) and an air inlet pipe (1) in a sealing mode through a connecting pipeline, an exhaust fan (3) is fixedly installed on the pipeline between the heating pipeline (2) and the air outlet (4) of the filtering pipeline (6), and a filter screen is fixedly connected to the air outlet (4);
the trash-removing device is characterized in that a trash discharging port (15) is further formed in the upper end of the collecting barrel (11), a trash discharging end cover (16) is connected to the trash discharging port (15) in a threaded mode, the lower end of the trash discharging end cover (16) is fixedly connected with a filtering inner barrel (17) capable of extending to the position below the trash discharging port (15), the upper end of the filtering inner barrel (17) is open, the lower end of the filtering inner barrel is sealed, a through hole (18) is formed in the center of the trash discharging end cover (16), a liquid inlet (10) is formed in the center of the top face of the trash discharging end cover (16) in an integrated mode, the liquid inlet (10) is communicated with the through hole (18), and a liquid discharging port (7) below the.
2. The tail gas treatment device of the hot air circulation degreasing furnace as claimed in claim 1, wherein: a strip-shaped observation port (12) is formed in the side wall of the front end of the collecting barrel (11) from top to bottom, the strip-shaped observation port (12) is located right below the liquid inlet (10), and a transparent sealing strip (13) is connected to the strip-shaped observation port (12) in a sealing mode.
3. The tail gas treatment device of the hot air circulation degreasing furnace as claimed in claim 2, wherein: the transparent sealing strip (13) is also provided with scale marks distributed from top to bottom.
4. The tail gas treatment device of the hot air circulation degreasing furnace as claimed in any one of claims 1-3, wherein: and a circle of electric heating jacket (19) is wrapped on the outer walls of the liquid outlet (7) below the filtering pipeline (6) and the liquid inlet (10) at the center of the top surface of the impurity discharging end cover (16).
5. The tail gas treatment device of the hot air circulation degreasing furnace as claimed in any one of claims 1-3, wherein: the whole condensing and returning pipe (20) is arranged into a spiral structure.
6. The tail gas treatment device of the hot air circulation degreasing furnace as claimed in any one of claims 1-3, wherein: the filtering pipeline (6) is arranged into an inclined placing structure with the height gradually increasing from one end close to the liquid outlet (7) to the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920641144.3U CN210242449U (en) | 2019-05-07 | 2019-05-07 | Tail gas treatment device of hot air circulation degreasing furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920641144.3U CN210242449U (en) | 2019-05-07 | 2019-05-07 | Tail gas treatment device of hot air circulation degreasing furnace |
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| CN210242449U true CN210242449U (en) | 2020-04-03 |
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| CN201920641144.3U Active CN210242449U (en) | 2019-05-07 | 2019-05-07 | Tail gas treatment device of hot air circulation degreasing furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112138516A (en) * | 2020-09-18 | 2020-12-29 | 广西大学 | Intelligent collecting and purifying system and method for ex-situ thermal desorption organic pollution waste gas |
| CN114719619A (en) * | 2022-04-01 | 2022-07-08 | 合肥真萍电子科技有限公司 | Industrial furnace tail gas filter |
-
2019
- 2019-05-07 CN CN201920641144.3U patent/CN210242449U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112138516A (en) * | 2020-09-18 | 2020-12-29 | 广西大学 | Intelligent collecting and purifying system and method for ex-situ thermal desorption organic pollution waste gas |
| CN114719619A (en) * | 2022-04-01 | 2022-07-08 | 合肥真萍电子科技有限公司 | Industrial furnace tail gas filter |
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