阅读说明：本技术 基于光氧催化技术适用于废气净化的回风管道及其使用方法 (Air return pipeline suitable for waste gas purification based on photo-oxygen catalysis technology and use method thereof ) 是由 祖丹锋 于 2021-08-12 设计创作，主要内容包括：本发明提供基于光氧催化技术适用于废气净化的回风管道及其使用方法,包括稳固台；所述分气支管的下表面固定连接在所述稳固台的上表面上；所述分气管道的内端固定连接分气支管的外端；所述主管道的两端分别通过螺钉固定连接在两侧的分气支管的上方管口位置；所述辅助管道的两端分别通过螺钉固定连接在两侧的分气支管的下方管口位置；所述推动机构固定连接在稳固台的上表面上；所述切换阀板固定连接推动机构的输出推杆,且切换阀板滑动连接在分气支管的开口位置,便于对主管道的内壁进行清理,同时对组合管盖的内壁进行清理,可减轻肺气中粘黏物对管道内壁造成污染、腐蚀,操作便捷,清洁效率高,可继续进行气体净化作业。(The invention provides a return air pipeline suitable for waste gas purification based on a photo-oxidation catalysis technology and a using method thereof, wherein the return air pipeline comprises a stabilizing table; the lower surface of the gas distribution branch pipe is fixedly connected to the upper surface of the stabilizing table; the inner end of the gas distribution pipeline is fixedly connected with the outer end of the gas distribution branch pipe; two ends of the main pipeline are respectively and fixedly connected to the positions of pipe orifices above the gas distribution branch pipes on two sides through screws; two ends of the auxiliary pipeline are respectively fixedly connected to the lower pipe openings of the gas distribution branch pipes on two sides through screws; the pushing mechanism is fixedly connected to the upper surface of the stabilizing table; switch valve plate fixed connection pushing mechanism's output push rod, and switch valve plate sliding connection and divide the open position of gas branch pipe, be convenient for clear up the inner wall of trunk line, clear up the inner wall of combination tube cap simultaneously, can alleviate and glue in the lung gas and glue thing and cause pollution, corruption to the pipeline inner wall, the simple operation, clean efficient, can continue to carry out gas purification operation.)

1. A return air pipeline suitable for waste gas purification based on a photo-oxygen catalysis technology and a using method thereof are characterized in that: the return air duct includes: a stabilizing table (1);

the lower surface of the gas distribution branch pipe (3) is fixedly connected to the upper surface of the stabilizing table (1);

the inner end of the gas distribution pipeline (2) is fixedly connected with the outer end of the gas distribution branch pipe (3);

the two ends of the main pipeline (4) are fixedly connected to pipe orifice positions above the gas distribution branch pipes (3) at the two sides through screws respectively;

the two ends of the auxiliary pipeline (5) are fixedly connected to the lower pipe openings of the gas distribution branch pipes (3) at the two sides through screws respectively;

the pushing mechanism (6), the said pushing mechanism (6) is fixedly connected to the upper surface of the firm platform (1);

the switching valve plate (7), the switching valve plate (7) is fixedly connected with an output push rod of the pushing mechanism (6), and the switching valve plate (7) is connected to the opening position of the gas distribution branch pipe (3) in a sliding mode.

2. The return duct adapted for exhaust gas purification based on the photo-oxidation catalytic technique as set forth in claim 1, wherein: the stabilizing table (1) comprises:

the side supporting platforms (101), two groups of side supporting platforms (101) are arranged, and the two groups of side supporting platforms (101) are respectively and fixedly connected to the left side and the right side of the upper surface of the stabilizing platform (1);

two groups of middle supporting platforms (102) are also arranged on the middle supporting platform (102), and the two groups of middle supporting platforms (102) are positioned between the two side supporting platforms (101).

3. The return duct adapted for exhaust gas purification based on the photo-oxidation catalytic technique as set forth in claim 2, wherein: the intermediate support (102) comprises:

the middle supporting plate (1021) is arranged inside the middle supporting platform (102), and the middle supporting plate (1021) is a rectangular plate with four flush heights;

the side positioning support plates (1022) are arranged on the front side and the rear side of the upper surface of the middle support platform (102), the side positioning support plates (1022) are L-shaped folded plates, and threaded holes are formed in the folded plates of the side positioning support plates (1022).

4. The return duct adapted for exhaust gas purification based on the photo-oxidation catalytic technique as set forth in claim 1, wherein: the gas distribution branch pipe (3) comprises:

the outer end of the main branch pipe (301) is fixedly connected with a main branch end (201) of the gas distribution pipeline (2);

the outer end of the auxiliary branch pipe (302) is fixedly connected with the auxiliary branch end (202) of the gas distribution pipeline (2), and the auxiliary branch pipe (302) is positioned above the main branch pipe (301).

5. The return duct adapted for exhaust gas purification based on the photo-oxidation catalytic technique as set forth in claim 4, wherein: a main push-pull groove (3012) is formed in an inner frame body of the main branch pipe (301), a main sealing guide frame (3011) is fixedly connected to the opening position of the main branch pipe (301), the main sealing guide frame (3011) is located on the outer side of the main push-pull groove (3012), and a main connecting lower support platform (3013) is connected to the lower portion of the opening of the main branch pipe (301) through welding; an auxiliary push-pull groove (3022) is formed in the inner side frame body of the auxiliary branch pipe (302), an auxiliary sealing guide frame (3021) is fixedly connected to the opening position of the auxiliary branch pipe (302), the auxiliary sealing guide frame (3021) is located on the outer side of the auxiliary push-pull groove (3022), and an auxiliary connecting lower support platform (3023) is fixedly connected below the opening of the auxiliary branch pipe (302) through welding.

6. The return duct adapted for exhaust gas purification based on the photo-oxidation catalytic technique as set forth in claim 1, wherein: the main pipeline (4) comprises:

the combined pipe cover (401), the combined pipe cover (401) is arranged above the main pipe (4);

the main pipe cover opening (402), the main pipe cover opening (402) is arranged above the main pipe (4), and the main pipe cover opening (402) is a rectangular opening;

the main pipe connector (403), the main pipe connector (403) is arranged at two ends of the main pipe (4), the main connecting ring cover (4031) is an arched frame body, and the main connecting ring cover (4031) is fixedly connected above and on two side edges of the main pipe connector (403).

7. The return duct adapted for exhaust gas purification based on the photo-oxidation catalytic technique as set forth in claim 6, wherein: the combined pipe cover (401) comprises:

the combined connecting plates (4011) are arranged at four positions, the four combined connecting plates (4011) are divided into two groups and fixedly connected to the lower side of the outer wall of the combined pipe cover (401), and the combined connecting plates (4011) are fixedly connected to the side positioning support plate (1022) through bolts;

and the combined sealing strip (4012) is fixedly connected to the outer edge of the combined pipe cover (401) through gluing.

8. The return duct adapted for exhaust gas purification based on the photo-oxidation catalytic technique as set forth in claim 1, wherein: the auxiliary duct (5) comprises:

the auxiliary pipe joints (501) are arranged at two ends of the auxiliary pipeline (5), and the upper edges and the two side walls of the auxiliary pipe joints (501) are fixedly connected with auxiliary connecting ring covers (5011) of an arched frame structure through welding.

9. The return duct adapted for exhaust gas purification based on the photo-oxidation catalytic technique as set forth in claim 1, wherein: the switching valve plate (7) is of a structure formed by splicing a main valve plate (701) and an auxiliary valve plate (702), the main valve plate (701) is connected with the inner side edge of the auxiliary valve plate (702) through a diagonal line, a convex plate is arranged at the connecting position, and the main valve plate (701) and the auxiliary valve plate (702) are both of rectangular plate structures.

10. The method for using the return air duct for exhaust gas purification based on the photo-oxidation catalytic technology as claimed in claim 1, wherein: the method comprises the following steps:

01. the equipment normally operates, and gas to be purified passes through the gas distribution pipelines (2) with the components at the two sides and the gas distribution branch pipes (3) to form a gas channel with the main pipeline (4) in the middle for gas transmission;

02. cleaning the inner wall of the main pipeline (4), controlling the pushing mechanism (6) to act, moving the position of the switching valve plate (7), sealing the main branch pipe (301) from two ends of the two switching valve plates (7) respectively, blocking the main pipeline (4), and simultaneously connecting the auxiliary pipeline (5) to realize uninterrupted cleaning;

03. the bolts are detached from the combined connecting plate (4011), so that the combined pipe cover (401) can be detached, the inner wall of the main pipeline (4) can be cleaned conveniently, and meanwhile, the inner wall of the combined pipe cover (401) can be cleaned;

04. after cleaning is finished, the 4 groups of combined pipe covers (401) and the 2 groups of side positioning support plates (1022) are reassembled through bolts respectively;

05. controlling the pushing mechanism (6) to act to enable the two switching valve plates (7) to move to the original positions to block the auxiliary pipeline (5);

06. meanwhile, the main pipeline (4) is connected, so that the gas purification operation can be continuously carried out, and the use process of the device is completed.

Technical Field

The invention belongs to the technical field of waste gas purification pipelines, and particularly relates to a return air pipeline suitable for waste gas purification based on a photo-oxidation catalysis technology and a using method thereof.

Background

The photocatalytic reaction is a chemical reaction that proceeds by the action of light. Photochemical reactions require molecules to absorb electromagnetic radiation of a particular wavelength, be excited to produce a molecular excited state, and then undergo a chemical reaction to produce a new species, or become an intermediate chemical product that initiates a thermal reaction. The activation energy of photochemical reaction is derived from the energy of photons, and photoelectric conversion and photochemical conversion are always active research fields in the utilization of solar energy.

For example, application No.: the invention discloses a photocatalytic oxidation device, which comprises an outer shell, wherein a transparent protective cover is arranged on the inner wall of the outer shell, an ultraviolet lamp is arranged inside the transparent protective cover, a cleaning pipe is arranged above the transparent protective cover, a cleaning nozzle is arranged at one end of the cleaning pipe, a cleaning valve is arranged at the other end of the cleaning pipe, a collector is arranged below the transparent protective cover, a liquid discharge port is arranged at one end of the collector, a sealing hoop is arranged outside the liquid discharge port, a titanium dioxide attaching column is arranged on one side of the transparent protective cover, two connecting rods are respectively arranged at two ends of the titanium dioxide attaching column, and a liquid inlet pipe is arranged at the upper end of the titanium dioxide attaching column.

Based on the retrieval of above-mentioned patent to and combine the structure discovery among the prior art, be similar to the return air pipeline of connecting clarification plant among the photo-oxidation catalytic apparatus in the above-mentioned patent through long-time work, the pipeline inner wall is infected with the impurity in the waste gas, and the pipeline is inside to be difficult to the clearance, accumulate easily corrodes the pipeline inner wall for a long time, cause the pipeline to damage, if clean, need stop the intercommunication of pipeline, the purification work who suspends equipment promptly just can clear up, the operation of interrupt photo-oxidation catalytic apparatus, influence purification efficiency.

Disclosure of Invention

In order to solve the technical problems, the invention provides an air return pipeline suitable for waste gas purification based on a photo-oxidation catalysis technology and a using method thereof, and aims to solve the problems that the air return pipeline connected with a purification device in the photo-oxidation catalysis device similar to the photo-oxidation catalysis device in the patent is not easy to clean, the inner wall of the pipeline is polluted by impurities in waste gas, the interior of the pipeline is not easy to clean, the inner wall of the pipeline is easy to corrode after being accumulated for a long time, the pipeline is damaged, if the pipeline is cleaned, the communication of the pipeline needs to be stopped, namely the purification work of the device is stopped, the cleaning can be stopped, the operation of the photo-oxidation catalysis device is interrupted, and the purification efficiency is influenced.

The invention is based on the purpose and the efficacy of the return air pipeline which is suitable for waste gas purification and the using method thereof by the photo-oxidation catalysis technology, and is achieved by the following specific technical means:

a return air pipeline suitable for waste gas purification based on a photo-oxidation catalysis technology and a using method thereof comprise the following steps: a stabilizing table; the lower surface of the gas distribution branch pipe is fixedly connected to the upper surface of the stabilizing table; the inner end of the gas distribution pipeline is fixedly connected with the outer end of the gas distribution branch pipe; two ends of the main pipeline are respectively and fixedly connected to the positions of pipe orifices above the gas distribution branch pipes on two sides through screws; two ends of the auxiliary pipeline are respectively fixedly connected to the lower pipe openings of the gas distribution branch pipes on two sides through screws; the pushing mechanism is fixedly connected to the upper surface of the stabilizing table; the switching valve plate is fixedly connected with an output push rod of the pushing mechanism and is in sliding connection with the opening position of the gas distribution branch pipe.

Furthermore, the stabilizing table comprises two groups of side supporting tables, and the two groups of side supporting tables are fixedly connected to the left side and the right side of the upper surface of the stabilizing table respectively; two groups of middle supporting platforms are also arranged, and the two groups of middle supporting platforms are positioned between the two side supporting platforms.

Furthermore, the middle supporting platform comprises a middle supporting plate, the middle supporting plate is arranged inside the middle supporting platform, and the middle supporting plate is a rectangular plate with four parallel heights; the side positioning support plates are arranged on the front side and the rear side of the upper surface of the middle support platform, the side positioning support plates are L-shaped folded plates, and threaded holes are formed in the folded plates of the side positioning support plates.

Furthermore, the gas distribution branch pipe comprises a main branch pipe, and the outer end of the main branch pipe is fixedly connected with the main branch end of the gas distribution pipeline; the outer end of the auxiliary branch pipe is fixedly connected with the auxiliary branch end of the gas distribution pipeline, and the auxiliary branch pipe is positioned above the main branch pipe.

Furthermore, a main push-pull groove is formed in an inner frame body of the main branch pipe, a main sealing guide frame is fixedly connected to the opening of the main branch pipe and located on the outer side of the main push-pull groove, and a main connecting lower support table is connected to the lower portion of the opening of the main branch pipe through welding; an auxiliary push-pull groove is formed in the inner frame body of the auxiliary branch pipe, an auxiliary sealing guide frame is fixedly connected to the opening position of the auxiliary branch pipe and located on the outer side of the auxiliary push-pull groove, and an auxiliary connecting lower support table is fixedly connected below the opening of the auxiliary branch pipe through welding.

Further, the main pipeline comprises a combined pipe cover which is arranged above the main pipeline; the main pipe cover opening is arranged above the main pipe and is a rectangular opening; the main pipe interfaces are arranged at two ends of the main pipe.

Furthermore, the combined pipe cover comprises combined connecting plates, the combined connecting plates are arranged in four positions, the four combined connecting plates are divided into two groups and fixedly connected to the lower side of the outer wall of the combined pipe cover, and the combined connecting plates are fixedly connected to the side positioning support plate through bolts; the combined sealing strip is fixedly connected to the outer edge of the combined pipe cover through gluing.

Furthermore, be responsible for the interface including main connecting ring lid, main connecting ring lid is the arch support body, and main connecting ring lid fixed connection is in the top and the both sides limit of being responsible for the interface.

Furthermore, the auxiliary pipeline comprises auxiliary pipe joints, the auxiliary pipe joints are arranged at two ends of the auxiliary pipeline, and the upper edge and two side walls of the auxiliary pipe joints are fixedly connected with auxiliary connecting ring covers of an arched frame structure through welding.

Further, the switching valve plate is main valve plate and supplementary valve plate concatenation formation structure, and the inboard edge of main valve plate and supplementary valve plate is connected through the diagonal, and the hookup location is equipped with the flange, and main valve plate and supplementary valve plate are the rectangular plate structure.

Compared with the prior art, the invention has the following beneficial effects:

through the effect of the firm platform of this structure, firm platform can be fixed a position on external support or clarification plant body for support and connecting trunk line, auxiliary conduit, branch pipe of dividing the gas, the assistance-localization real-time of being convenient for, and fix a position the combination tube cap through utilizing the side location extension board, can play the effect of the compactness of being connected between reinforcement combination tube cap and the trunk line.

Through the matching of the switching valve plate and the gas distribution branch pipe of the structure, the gas distribution branch pipe comprises a main branch pipe and an auxiliary branch pipe, the air passage of the gas distribution pipeline can be separated through the action of the gas distribution branch pipe and the gas distribution pipeline, and the main branch pipe and the auxiliary branch pipe are respectively connected through the action of the main branch end and the auxiliary branch end, so that the standby air passage can be conveniently switched when the pipeline is replaced in the later period, meanwhile, the main connection lower support platform at the opening position of the main branch pipe and the main pipeline are positioned through a threaded connection piece, the effect of improving the connection firmness can be better played, the connection lower support platform is connected with the auxiliary pipeline in an auxiliary connection mode, the connection firmness of the auxiliary pipeline is also improved, the switching valve plate is positioned between the auxiliary branch pipe and the main branch pipe and is simultaneously connected in the main push-pull groove and the auxiliary push-pull groove, and is driven through an external push cylinder, the main valve plate and the auxiliary valve plate can be utilized to seal the main branch pipe and the auxiliary branch pipe, the communication route of main branch pipe and auxiliary branch pipe is switched, the selection of main pipe and auxiliary pipeline is carried out by gas, and then the realization is switched the air flue to auxiliary pipeline temporarily by the main pipe, is convenient for clean the main pipe.

Through the matching of the main pipeline and the auxiliary pipeline of the structure, the combined pipe cover is arranged on the main pipeline, when in use and cleaning, the bolt is detached from the combined connecting plate, the combined pipe cover can be detached, the inner wall of the main pipeline can be cleaned conveniently, and the inner wall of the combined pipe cover can be cleaned simultaneously, can reduce the pollution and corrosion of the sticky substances in the lung gas to the inner wall of the pipeline, has convenient operation and high cleaning efficiency, is provided with a main connecting ring cover on the main pipe interface, the main connecting ring cover and the main branch pipe can be fastened through the threaded connecting piece, the connection firmness is improved, the auxiliary connecting ring cover of the auxiliary pipeline is connected with the opening of the auxiliary branch pipe, the opening of the auxiliary branch pipe is wrapped by the auxiliary connecting ring cover through the bolt, and then the auxiliary connecting ring cover is reinforced by using the threaded fastener, so that the connection firmness and the pipeline connection sealing performance are improved, and meanwhile, the auxiliary connecting ring cover is convenient to disassemble and assemble.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of an exploded structure of the present invention.

Fig. 3 is a rear view of fig. 2 according to the present invention.

Fig. 4 is a schematic view of the gas distribution branch pipe structure of the present invention.

Fig. 5 is a schematic view of the structure of the main pipe of the present invention.

FIG. 6 is a schematic view of the structure of the stabilization table of the present invention.

Fig. 7 is a partially enlarged view of the structure of fig. 1 a according to the present invention.

Fig. 8 is a schematic view of the present invention at a part B of fig. 2.

Fig. 9 is a partially enlarged view of the structure of fig. 2C according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a stabilizing table; 101. a side support platform; 102. a middle support platform; 1021. a middle support plate; 1022. a side positioning support plate; 2. a gas distribution pipeline; 201. a main branch end; 202. an auxiliary branch end; 3. a gas distribution branch pipe; 301. a main branch pipe; 3011. a main seal guide frame; 3012. a main push-pull groove; 3013. the main connecting lower support platform; 302. an auxiliary branch pipe; 3021. auxiliary sealing guide frame; 3022. an auxiliary push-pull groove; 3023. the lower supporting platform is connected in an auxiliary manner; 4. a main pipeline; 401. a combined pipe cover; 4011. combining the connecting plates; 4012. combining the sealing strips; 402. covering the opening of the main pipe; 403. a supervisor interface; 4031. a main connecting ring cover; 5. an auxiliary pipe; 501. an auxiliary tube interface; 5011. an auxiliary connecting ring cover; 6. a pushing mechanism; 7. a switching valve plate; 701. a main valve plate; 702. an auxiliary valve plate.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 9:

the invention provides a return air pipeline suitable for waste gas purification based on a photo-oxidation catalysis technology and a using method thereof, comprising a stabilizing table 1; the lower surface of the gas distribution branch pipe 3 is fixedly connected to the upper surface of the stabilizing table 1; the inner end of the gas distribution pipeline 2 is fixedly connected with the outer end of the gas distribution branch pipe 3; two ends of the main pipeline 4 are respectively and fixedly connected to the pipe orifice positions above the gas distribution branch pipes 3 on two sides through screws; two ends of the auxiliary pipeline 5 are respectively and fixedly connected with the lower square pipe openings of the gas distribution branch pipes 3 at two sides through screws; the pushing mechanism 6 is fixedly connected to the upper surface of the stabilizing table 1; the switching valve plate 7 is fixedly connected with an output push rod of the pushing mechanism 6, and the switching valve plate 7 is connected to the opening position of the gas distribution branch pipe 3 in a sliding mode.

The stabilizing platform 1 comprises two groups of side supporting platforms 101, and the two groups of side supporting platforms 101 are respectively and fixedly connected to the left side and the right side of the upper surface of the stabilizing platform 1; two groups of middle supporting platforms 102 are also arranged, and the two groups of middle supporting platforms 102 are positioned between the two side supporting platforms 101; the intermediate support 102 comprises an intermediate support plate 1021, the intermediate support plate 1021 is arranged in the intermediate support 102, and the intermediate support plate 1021 is a rectangular plate with four flush heights; side location extension board 1022 is established in the upper surface front and back both sides of middle abutment 102, and side location extension board 1022 is the folded plate of L shape, set up threaded hole on the folded plate of side location extension board 1022, firm platform 1 of this structure is as shown in fig. 6, firm platform 1 can be positioned on external support or clarification plant body for support and connect main pipe 4, auxiliary conduit 5, branch gas branch pipe 3, the assistance-localization real-time of being convenient for, and fix a position combination tube cap 401 through utilizing side location extension board 1022, can play the effect of the tight nature of being connected between reinforcing combination tube cap 401 and main pipe 4.

The gas distribution branch pipe 3 comprises a main branch pipe 301, and the outer end of the main branch pipe 301 is fixedly connected with a main branch end 201 of the gas distribution pipeline 2; the outer end of the auxiliary branch pipe 302 is fixedly connected with the auxiliary branch end 202 of the gas distribution pipeline 2, and the auxiliary branch pipe 302 is positioned above the main branch pipe 301; a main push-pull groove 3012 is formed in an inner frame body of the main branch pipe 301, a main seal guide frame 3011 is fixedly connected to an opening position of the main branch pipe 301, the main seal guide frame 3011 is located on the outer side of the main push-pull groove 3012, and a main connection lower support table 3013 is connected below the opening of the main branch pipe 301 through welding; an auxiliary push-pull groove 3022 is formed in an inner frame body of the auxiliary branch pipe 302, an auxiliary sealing guide frame 3021 is fixedly connected to an opening position of the auxiliary branch pipe 302, the auxiliary sealing guide frame 3021 is located on the outer side of the auxiliary push-pull groove 3022, an auxiliary connecting lower support platform 3023 is fixedly connected below an opening of the auxiliary branch pipe 302 by welding, a gas distribution branch pipe 3 of the structure is shown in fig. 4, the gas distribution branch pipe 3 comprises a main branch pipe 301 and an auxiliary branch pipe 302, an air passage of the gas distribution pipeline 2 can be separated under the action of the gas distribution branch pipe 3 and the gas distribution pipeline 2, the main branch pipe 301 and the auxiliary branch pipe 302 are respectively connected under the action of a main branch end 201 and an auxiliary branch end 202, switching of a standby air passage is facilitated in the later stage of pipeline replacement, and meanwhile, the main connecting lower support platform 3013 at the opening position of the main branch pipe 301 and the main pipe 4 are positioned through a threaded connection, the effect that can be better play improvement firm in connection, like this, the supplementary lower bolster 3023 of connecting is connected with auxiliary pipeline 5, has improved auxiliary pipeline 5's firm in connection equally.

The main pipeline 4 comprises a combined pipe cover 401, and the combined pipe cover 401 is arranged above the main pipeline 4; the main pipe cover port 402 is arranged above the main pipe 4, and the main pipe cover port 402 is a rectangular opening; the main pipe interfaces 403 are arranged at both ends of the main pipe 4; the combined pipe cover 401 comprises combined connecting plates 4011, the combined connecting plates 4011 are arranged in four positions, the four combined connecting plates 4011 are divided into two groups and fixedly connected to the lower side of the outer wall of the combined pipe cover 401, and the combined connecting plates 4011 are fixedly connected to side positioning support plates 1022 through bolts; the combined sealing strip 4012 is fixedly connected to the outer edge of the combined tube cover 401 through gluing; be responsible for interface 403 including main connection ring cap 4031, main connection ring cap 4031 is the arc support body, and main connection ring cap 4031 fixed connection is in the top and both sides limit of being responsible for interface 403, trunk line 4 of this structure is as shown in fig. 5, be equipped with combination tube cap 401 on trunk line 4, in the time of using, when cleaning, demolish the bolt from combination connecting plate 4011, can lift combination tube cap 401 off, be convenient for clear up the inner wall of trunk line 4, clear up the inner wall of combination tube cap 401 simultaneously, can alleviate the lung gas in the glutinous thing causes the pollution to the pipeline inner wall, corrode, the simple operation, clean efficient, be equipped with main connection ring cap 4031 on being responsible for 403, can fasten main connection ring cap 4031 and main branch pipe 301 through threaded connection spare, the connection firmness is improved.

The auxiliary pipeline 5 comprises an auxiliary pipe interface 501, the auxiliary pipe interface 501 is arranged at two ends of the auxiliary pipeline 5, the upper edge and two side walls of the auxiliary pipe interface 501 are fixedly connected with auxiliary connecting ring covers 5011 of an arched frame structure through welding, the auxiliary pipeline 5 with the structure is shown in fig. 3, the auxiliary connecting ring covers 5011 of the auxiliary pipeline 5 are connected with openings of the auxiliary branch pipes 302, the auxiliary connecting ring covers 5011 wrap the openings of the auxiliary branch pipes 302 through bolts, and then the auxiliary connecting ring covers are reinforced through threaded fasteners, so that the connection firmness and the pipeline connection tightness are improved, and meanwhile, the disassembly and the assembly are facilitated.

The switching valve plate 7 is a structure formed by splicing a main valve plate 701 and an auxiliary valve plate 702, the main valve plate 701 and the auxiliary valve plate 702 are connected through a diagonal line, a convex plate is arranged at the connecting position, the main valve plate 701 and the auxiliary valve plate 702 are both in a rectangular plate structure, the switching valve plate 7 with the structure is shown in fig. 4, the switching valve plate 7 is positioned between the auxiliary branch pipe 302 and the main branch pipe 301 and is connected in a main push-pull groove 3012 and an auxiliary push-pull groove 3022 at the same time, the main branch pipe 301 and the auxiliary branch pipe 302 can be sealed by the main valve plate 701 and the auxiliary valve plate 702 through external push cylinder driving, the connecting line of the main branch pipe 301 and the auxiliary branch pipe 302 is switched, gas selection of the main pipe 4 and the auxiliary pipe 5 is carried out, further, the gas passage is switched from the main pipe 4 to the auxiliary pipe 5 temporarily, and cleaning of the main pipe 4 is facilitated.

When in use: firstly, the auxiliary pipeline 5 and the main pipeline 4 are connected to the gas-distributing branch pipes 3 at two sides through threaded connectors, the gas-distributing branch pipes 3 are connected with the gas-distributing pipeline 2, the gas-distributing pipeline 2 is connected with gas purification equipment, the switching valve plate 7 is positioned in a state of shielding the auxiliary pipeline 5, the auxiliary pipeline 5 is sealed, the main pipeline 4 is open, when the equipment normally operates, purified gas passes through the gas-distributing pipeline 2 and the gas-distributing branch pipes 3 at two sides and forms a gas channel with the main pipeline 4 in the middle for gas transmission, after the equipment is used for a period of time, the inner wall of the main pipeline 4 needs to be cleaned, the pushing mechanism 6 is controlled to act, the switching valve plate 7 is moved, the two switching valve plates 7 are respectively sealed on the main branch pipe 301 from two ends to block the main pipeline 4, the auxiliary pipeline 5 is connected to realize uninterrupted cleaning, when cleaning is carried out, bolts are removed from the combined connecting plate 4011, and the combined pipe cover 401 can be detached, be convenient for clear up the inner wall of trunk line 4, clear up the inner wall of composite tube cover 401 simultaneously, can alleviate and glue in the lung gas and glue the thing and cause pollution, corruption to the pipeline inner wall, the simple operation, clean efficient, after the clearance, to composite tube cover 401 reassembly, 6 actions of control pushing mechanism will make two switch valve plates 7 remove to original position, plug up auxiliary line 5, trunk line 4 switches on simultaneously, can continue to carry out gas purification operation.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.