CN112569766B - Printing waste gas integrated treatment system - Google Patents
Printing waste gas integrated treatment system Download PDFInfo
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- CN112569766B CN112569766B CN201910939394.XA CN201910939394A CN112569766B CN 112569766 B CN112569766 B CN 112569766B CN 201910939394 A CN201910939394 A CN 201910939394A CN 112569766 B CN112569766 B CN 112569766B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/005—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by heat treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Treating Waste Gases (AREA)
Abstract
The invention discloses an integrated treatment system for printing waste gas. The ultraviolet lamp set comprises an air channel formed by a shell, wherein the air channel is provided with an inlet and an outlet, and a spiral spraying mechanism, a spiral flow plate demisting mechanism, a filtering mechanism, a heating mechanism and an ultraviolet lamp set are sequentially arranged from the inlet to the outlet in the air channel. The technical scheme ensures the overall efficiency of the facility. And finally, the waste gas passes through a UV ultraviolet light equipment set to remove the residual VOC in the waste gas.
Description
Technical Field
The invention belongs to the field of waste gas treatment equipment, and particularly relates to an integrated treatment system for printing waste gas.
Background
The existing printing waste gas treatment equipment generally adopts activated carbon or a separate ultraviolet photolysis equipment. The printing waste gas has the characteristics of large waste gas generation amount and low pollutant concentration. The pollutants are usually organic pollutants such as toluene, ethyl acetate, butyl ester, isopropylamine and the like. The existing treatment facilities have the defects of easy blockage, low treatment efficiency, easy pollution of ultraviolet light and the like.
Disclosure of Invention
The invention aims to provide an integrated treatment system for printing waste gas, which overcomes the defects in the prior art. In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
the printing waste gas integrated treatment system comprises an air flow channel formed by a shell, wherein the air flow channel is provided with an inlet and an outlet, and a spiral spraying mechanism, a spiral flow plate demisting mechanism, a filtering mechanism, a heating mechanism and an ultraviolet lamp set are sequentially arranged in the air flow channel from the inlet to the outlet.
The spiral spraying mechanism comprises an annular pipe and a plurality of negative ion nozzles, the annular pipe is communicated with a water supply pipeline, the negative ion nozzles are uniformly distributed on the inner side of the annular pipe and are fixedly connected with the annular pipe and communicated with the inner space of the annular pipe, the plane formed by the annular pipe intersects the air flow channel, and the water outlet ends of the negative ion nozzles are inclined to the same side on the plane formed by the annular pipe.
Further limiting, the water outlet ends of the negative ion nozzles are inclined towards the air inlet end of the air flow channel.
Further limiting, the spiral-flow plate demisting mechanism comprises a fixed ring and a plurality of blades, the plurality of blades are arranged in the fixed ring in a radial structure, one outward end of each blade is fixedly connected with the fixed ring, and one inward end of each blade extends to the circle center of the fixed ring;
the side edges of the blade plates are sequentially overlapped to form a fish scale-shaped structure, and a gap is formed between any two adjacent blade plates;
the sealing head is of a cylindrical structure, the outer wall of the sealing head is fixedly connected with one inward end of the plurality of leaf plates, and conical protruding parts are arranged at the upper end and the lower end of the sealing head;
the inward ends of the blade plates protrude out of one side of a plane formed by the fixing ring, and two surfaces of the blade plates form two conical surfaces respectively; and the inward ends of the blade plates are inclined towards the same side to form a spiral structure.
Further limiting, the filtering mechanism comprises an air duct, the air duct is in an inverted funnel shape, the upper end of the air duct is fixedly connected with the inner wall of the shell, the lower end of the air duct is sleeved with a filtering bag, the filtering bag is of a bag structure made of polyester fiber filtering cotton, and is provided with an interface and fixedly sleeved outside the lower end of the air duct through the interface;
an air distribution disc is arranged in the filter bag, the air distribution disc is of a hollow structure, and a plurality of air guide holes are formed in the air distribution disc;
a pipeline interface is arranged at the center of the top of the gas distribution disc, the pipeline interface is connected with the lower end of the gas guide pipe, and the gas guide pipe is communicated with the inside of the gas distribution disc;
the shell is also internally provided with a filter element which is arranged between the filter bag and the exhaust port;
a bracket is arranged on one side of the filter element close to the exhaust port, and the bracket is fixedly connected with the shell;
the lower end of the air duct is provided with a connecting flange, the connecting flange is fixedly connected with the air distribution plate through bolt matching, and the edge of the filter bag interface is embedded between the connecting flange and the air distribution plate.
Further limited, the heating mechanism comprises a plurality of electric heating pipes which are divided into a plurality of rows, and two ends of the electric heating pipes are respectively connected with two opposite side walls of the shell.
Further limiting, two adjacent rows of electric heating pipes which are arranged along the gas flowing direction in the air flow channel are arranged in a staggered way.
Further limiting, the two ends of the electric heating pipe are provided with plug-in connectors and are connected with the side wall of the shell through the plug-in connectors;
a plurality of strip-shaped and sheet-shaped heat-conducting plates are arranged outside the electric heating pipe, the heat-conducting plates uniformly surround the electric heating pipe, and two ends of the heat-conducting plates are respectively connected and fixed with the two plug-in connectors;
and a fireproof air valve is arranged in the air inlet.
Further limiting, the ultraviolet lamp set comprises a plurality of ultraviolet lamp tubes which are arranged in parallel, and two ends of the ultraviolet lamp tubes are respectively erected on any two opposite side walls of the air flow channel;
the ultraviolet lamp tube cleaning device further comprises a scraper, wherein a plurality of through holes corresponding to the ultraviolet lamp tubes are formed in the scraper, and the ultraviolet lamp tubes are inserted into the through holes in a one-to-one correspondence manner;
the ultraviolet lamp tube driving device comprises a shell, and is characterized by also comprising a driving mechanism for driving the scraper plate to move, wherein the driving mechanism comprises a reciprocating lead screw and a lead screw sliding block, the reciprocating lead screw is arranged in parallel with the ultraviolet lamp tube, two ends of the reciprocating lead screw penetrate through the side wall of the shell, and the lead screw sliding block is sleeved on the reciprocating lead screw and is fixedly connected with the middle part of the scraper plate;
the inner wall of the through hole is fixedly provided with a hairbrush;
the ultraviolet lamp group is provided with a plurality of ultraviolet lamp groups, the same end of each reciprocating screw rod is fixedly provided with a synchronizing wheel, and the plurality of synchronizing wheels are in transmission connection through a transmission belt;
the two ends of the ultraviolet light tube are provided with the plug-in connectors and are fixedly connected with the side wall of the shell through the plug-in connectors.
Compared with the prior art, the printing waste gas firstly passes through the spiral spraying system, the absorption liquid is formed into an anion atomization state through the anion atomization nozzle and is fully combined with VOC in the waste gas, the molecular activity of the VOC waste gas is improved, then the absorption liquid with hydroxyl free radicals is generated through the micro-bubble generator, most of VOC in the waste gas is decomposed into small molecular pollutants, and the small molecular pollutants are absorbed and removed through the absorption liquid. Later waste gas passes through whirl board defogging system, gets rid of behind most water smoke, loops through high density sponge and the polyester fiber filter pulp filter layer that absorbs water, reduces the moisture content and the large granule solid of waste gas then, rethread indirect electric heater group, improves the waste gas temperature, reduces waste gas humidity, and prevents that glue class pollutant from solidifying, has reduced the contaminated probability of rear end ultraviolet ray light, guarantees the whole efficiency of facility. And finally, the waste gas passes through a UV ultraviolet light equipment set to remove the residual VOC in the waste gas.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. In the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the spiral spraying mechanism.
Fig. 3 is a schematic top view of the grommet forming plane.
Fig. 4 is a schematic view of the connection structure between the negative ion nozzle and the plane formed by the ring pipe.
FIG. 5 is a schematic view of the demisting mechanism of the cyclone plate.
FIG. 6 is a schematic view of the demisting mechanism.
Fig. 7 is a schematic structural diagram of the end socket.
Fig. 8 is a schematic view of the filter mechanism.
Fig. 9 is a schematic structural view of the bracket.
Fig. 10 is a schematic structural view of the heating mechanism.
Fig. 11 is a schematic structural view of an electric heating tube;
fig. 12 is a schematic structural diagram of an ultraviolet lamp set.
FIG. 13 is a schematic diagram of a single set of UV lamps.
The main element symbols are as follows:
the device comprises a spiral spraying mechanism 1, a ring pipe 11, a negative ion nozzle 12, a water supply pipeline 13, a swirling flow plate demisting mechanism 2, a fixing ring 21, a blade plate 22, a sealing head 23, a conical protruding part 24, a filtering mechanism 3, an air inlet 31, an exhaust hole 32, an air guide pipe 33, a filter bag 34, an air distribution disc 35, a filter core 36, a bracket 37, a connecting flange 38, a heating mechanism 4, an electric heating pipe 41, a plug-in connector 42, a heat conducting plate 43, a fireproof air valve 44, an ultraviolet lamp set 5, an ultraviolet lamp tube 51, a scraping plate 52, a reciprocating screw 53, a hairbrush 54, a synchronizing wheel 55 and a plug-in connector 56.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
As shown in fig. 1 to 13, an integrated treatment system for printing waste gas comprises an air channel formed by a housing, the air channel has an inlet and an outlet, and a spiral spraying mechanism 1, a swirl plate demisting mechanism 2, a filtering mechanism 3, a heating mechanism 4 and an ultraviolet lamp set 5 are sequentially arranged in the air channel from the inlet to the outlet.
In this embodiment, the circular tube 11 includes a circular tube 11 and a plurality of negative ion nozzles 12, the circular tube 11 is communicated with a water supply pipeline 13, the plurality of negative ion nozzles 12 are uniformly distributed inside the circular tube 11, and are fixedly connected with the circular tube 11 and communicated with the internal space of the circular tube 11, the circular tube 11 forms a plane intersecting the air flow channel, and the water outlet ends of the plurality of negative ion nozzles 12 are inclined to the same side on the plane formed by the circular tube 11. The ring pipe 11 is arranged in an air flow channel which can be a channel such as a pipeline, and a fan can be used as a power source to pump waste gas so that the waste gas flows through the pipeline; the ring pipe 11 is arranged in the air flow channel and can be installed and fixed by arranging a bracket or directly fixedly connecting with the inner wall of the air flow channel, the water mist sprayed by the plurality of negative ion nozzles 12 arranged on the inner side of the ring pipe forms a water curtain for washing the waste gas passing through the air flow channel, and the water mist sprayed by the plurality of negative ion nozzles 12 forms a vortex locally because the negative ion nozzles incline to the same side on the same plane, so that the passing waste gas is driven to flow together, the contact time between the water mist and the waste gas is prolonged, and the washing effect of the waste gas is further improved; the water outlet ends of the plurality of negative ion nozzles 12 are inclined towards the air inlet end of the air flow channel, and a water curtain formed by water mist sprayed by the plurality of negative ions forms a conical structure protruding towards the air inlet end to form local convection, so that the cleaning effect on waste gas is further improved; the included angle between the water spraying direction of the negative ion nozzle 12 and the connecting line from the connecting position of the negative ion nozzle 12 and the ring pipe 11 to the center of the plane formed by the ring pipe 11 is 15-30 degrees; further, the water spraying direction of the negative ion nozzle 12 forms an included angle of 20-35 degrees with the plane formed by the ring pipe 11.
In this embodiment, the filtering mechanism 3 includes an air duct 33, the air duct 33 is in an inverted funnel shape, the upper end of the air duct 33 is fixedly connected with the air inlet 31, the lower end of the air duct 33 is sleeved with a filter bag 34, the filter bag 34 is of a bag structure made of polyester fiber filter cotton, the filter bag 34 is provided with an interface, and the interface is fixedly sleeved outside the lower end of the air duct 33. Adopt the filter bag 34 of bagging structure, use to make waste gas let in by air duct 33 and filter in the bag 34, then the whole lateral wall of filtering bag 34 will regard as being used for the filterable contact surface of waste gas, can effectively improve the utilization area, and then improve the filter effect. An air distribution disc 35 is arranged in the filter bag 34, the air distribution disc 35 is of a hollow structure, and a plurality of air guide holes are formed in the air distribution disc 35; cloth gas dish 35 top center department is equipped with the pipeline interface, the pipeline interface is connected with air duct 33 lower extreme, and inside air duct 33 intercommunication cloth gas dish 35, set up cloth gas dish 35 and can support the inside of crossing filter bag 34, prevent to cross filter bag 34 under the state of not using, the adhesion appears in the inner wall. A filter core 36 is also arranged in the shell, and the filter core 36 is arranged between the filter bag 34 and the exhaust port; filter core 36 and lean on the gas vent one side to be provided with bracket 37, bracket 37 and casing fixed connection, filter core 36 adopts the high density sponge that absorbs water to make, can effectively adsorb the moisture in the waste gas of process, further improves the adsorption effect to waste gas. The lower extreme of air duct 33 is provided with flange 38, and is connected flange 38 and gas distribution dish 35 through the bolt cooperation and fixes, filter bag 34 interface edge embedding flange 38 and gas distribution dish 35 between, connection structure is more firm, improves overall structure stability.
In this embodiment, the heating mechanism 4 has a plurality of electric heating tubes 41, and the plurality of electric heating tubes 41 are divided into a plurality of rows, and two ends of each row are respectively connected to two opposite side walls of the housing. Two adjacent rows of electric heating tubes 41 are arranged in a staggered manner. The two ends of the electric heating tube 41 are both provided with a plug-in connector 5642, and are connected with the side wall of the shell through the plug-in connectors 5642; a plurality of strip-shaped and sheet-shaped heat conducting plates 43 are arranged outside the electric heating tube 41, the heat conducting plates 43 are uniformly surrounded outside the electric heating tube 41, and two ends of the heat conducting plates are respectively connected and fixed with the two plug-in connectors 5642. A fireproof air valve 44 is arranged in the air inlet.
Waste gas enters the shell through the air inlet and then is discharged through the air outlet, the waste gas passing through is heated by the plurality of electric heating pipes 41 in the shell, the temperature of the waste gas is increased, and then the temperature of jelly contained in the waste gas is increased, so that the adhesive force of the jelly is reduced when the jelly passes through the ultraviolet treatment equipment, the adhesive amount of the jelly on the ultraviolet equipment is reduced, and the adverse effect on the normal work of the ultraviolet equipment is reduced;
when the air inlet and the air outlet are respectively arranged at the top and the bottom of the shell, the plurality of electric heating pipes 41 in the shell are arranged in a staggered manner, so that the contact area with the flowing waste gas can be effectively increased, and the heating effect on the flowing waste gas is improved;
in addition, the heat conducting plate 43 is arranged, the heat conducting plate 43 is made of stainless steel metal plates, has high heat conductivity and corrosion resistance, and can be used as a heat source to heat the flowing waste gas after absorbing heat, so that the heating effect of the waste gas is further improved;
the fireproof air valve 44 is arranged in the air inlet, so that high-temperature air flow in the shell can be effectively prevented from flowing backwards into an upstream processing procedure from the air inlet, and normal operation of equipment is ensured.
In this embodiment, the ultraviolet light group 5 has a plurality of ultraviolet light tubes 51, the ultraviolet light tubes 51 are arranged in parallel, and two ends of each ultraviolet light tube 51 are respectively erected on two arbitrary opposite side walls of the air flow channel; the ultraviolet lamp cleaning device further comprises a scraper 52, wherein a plurality of through holes corresponding to the ultraviolet lamp tubes are formed in the scraper 52, and the ultraviolet lamp tubes are inserted into the through holes in a one-to-one correspondence mode. Through pushing or pulling scraper blade 52, make scraper blade 52 remove on ultraviolet ray fluorescent tube 51, through the pore wall of through-hole and the outer wall friction of ultraviolet ray fluorescent tube 51, and clear up ultraviolet ray fluorescent tube 51's outer wall through the friction, can clear up it under the prerequisite of not demolising ultraviolet ray fluorescent tube 51, improve the continuity of device operation.
Still including being used for driving the actuating mechanism that scraper blade 52 removed, actuating mechanism includes reciprocal lead screw 53 and lead screw slider, reciprocal lead screw 53 and ultraviolet tube parallel arrangement, and both ends all pierce through the lateral wall of casing, lead screw slider overlaps on reciprocal lead screw 53, and with scraper blade 52 middle part fixed connection, when reciprocal lead screw 53 rotates, will drive lead screw slider reciprocating motion on reciprocal lead screw 53, and then drive the scraper blade 52 of connection on lead screw slider and remove, reciprocal lead screw 53 can adopt modes such as driving motor or runner are manual to drive and rotate, conveniently drives scraper blade 52 and removes the outer wall of ultraviolet tube 51.
The inner wall of the through hole is fixedly provided with the brush 54, the brush 54 can be formed by fixedly sticking a plurality of floccules or filaments on the inner wall of the through hole, and the cleaning effect on the ultraviolet light lamp tube 51 can be improved.
The ultraviolet lamp group is provided with a plurality of synchronous wheels 55, the same end of each reciprocating screw 53 is fixedly provided with a synchronous wheel 55, and the synchronous wheels 55 are in transmission connection through a transmission belt.
The two ends of the ultraviolet light tube are provided with plug-in connectors 5642, and the ultraviolet light tube is fixedly connected with the side wall of the shell through the plug-in connectors 5642.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (1)
1. The utility model provides a printing waste gas integration processing system which characterized in that: the ultraviolet lamp set comprises an air flow channel formed by a shell, wherein the air flow channel is provided with an inlet and an outlet, and a spiral spraying mechanism, a cyclone plate demisting mechanism, a filtering mechanism, a heating mechanism and an ultraviolet lamp set are sequentially arranged in the air flow channel from the inlet to the outlet; the spiral spraying mechanism comprises an annular pipe and a plurality of negative ion nozzles, the annular pipe is communicated with a water supply pipeline, the negative ion nozzles are uniformly distributed on the inner side of the annular pipe, are fixedly connected with the annular pipe and are communicated with the inner space of the annular pipe, the plane formed by the annular pipe intersects the air flow channel, and the water outlet ends of the negative ion nozzles are inclined to the same side on the plane formed by the annular pipe; the water outlet ends of the negative ion nozzles are inclined towards the air inlet end of the air flow channel; the spiral-flow plate demisting mechanism comprises a fixed ring and a plurality of blades, the blades are arranged in the fixed ring in a radial structure, one outward end of each blade is fixedly connected with the fixed ring, and one inward end of each blade extends to the circle center of the fixed ring;
the side edges of the plurality of leaf plates are sequentially overlapped to form a fish scale-shaped structure, and a gap is formed between any two adjacent leaf plates;
the sealing head is of a cylindrical structure, the outer wall of the sealing head is fixedly connected with the inward ends of the plurality of leaf plates, and conical protruding parts are arranged at the upper end and the lower end of the sealing head;
the inward ends of the blade plates are protruded out of one side of a plane formed by the fixing ring, and two surfaces of the blade plates respectively form two conical surfaces; the inward ends of the blade plates are inclined towards the same side to form a spiral structure; the filtering mechanism comprises an air duct, the air duct is in an inverted funnel shape, the upper end of the air duct is fixedly connected with the inner wall of the shell, the lower end of the air duct is sleeved with a filtering bag, the filtering bag is of a bagged structure made of polyester fiber filtering cotton, and a connector is arranged on the filtering bag and fixedly sleeved outside the lower end of the air duct through the connector;
an air distribution disc is arranged in the filter bag, the air distribution disc is of a hollow structure, and a plurality of air guide holes are formed in the air distribution disc;
the center of the top of the gas distribution disc is provided with a pipeline interface, the pipeline interface is connected with the lower end of the gas guide pipe, and the gas guide pipe is communicated with the inside of the gas distribution disc;
the shell is also internally provided with a filter element which is arranged between the filter bag and the exhaust port;
a bracket is arranged on one side of the filter element close to the exhaust port, and the bracket is fixedly connected with the shell;
the lower end of the gas guide pipe is provided with a connecting flange, the connecting flange is fixedly connected with the gas distribution plate through bolt matching, and the edge of the filter bag interface is embedded between the connecting flange and the gas distribution plate; the heating mechanism comprises a plurality of electric heating pipes which are divided into a plurality of rows, and two ends of the electric heating pipes are respectively connected with two opposite side walls of the shell; two adjacent rows of electric heating pipes which are arranged along the gas flowing direction in the air flow channel are arranged in a staggered way; the two ends of the electric heating pipe are provided with plug-in connectors and are connected with the side wall of the shell through the plug-in connectors;
a plurality of strip-shaped and sheet-shaped heat-conducting plates are arranged outside the electric heating pipe, the heat-conducting plates uniformly surround the electric heating pipe, and two ends of the heat-conducting plates are respectively connected and fixed with the two plug-in connectors;
a fireproof air valve is arranged in the air inlet; the ultraviolet light lamp group comprises a plurality of ultraviolet light lamp tubes which are arranged in parallel, and two ends of the ultraviolet light lamp tubes are respectively erected on any two opposite side walls of the air flow channel;
the ultraviolet lamp tube cleaning device further comprises a scraper, wherein a plurality of through holes corresponding to the ultraviolet lamp tubes are formed in the scraper, and the ultraviolet lamp tubes are inserted into the through holes in a one-to-one correspondence manner;
the ultraviolet lamp tube is characterized by also comprising a driving mechanism for driving the scraper to move, wherein the driving mechanism comprises a reciprocating lead screw and a lead screw sliding block, the reciprocating lead screw is arranged in parallel with the ultraviolet lamp tube, two ends of the reciprocating lead screw penetrate through the side wall of the shell, and the lead screw sliding block is sleeved on the reciprocating lead screw and is fixedly connected with the middle part of the scraper;
a brush is fixedly arranged on the inner wall of the through hole;
the ultraviolet lamp set is provided with a plurality of ultraviolet lamp sets, the same end of each reciprocating screw rod is fixedly provided with a synchronizing wheel, and the synchronizing wheels are in transmission connection through a transmission belt;
the two ends of the ultraviolet light tube are provided with the plug-in connectors and are fixedly connected with the side wall of the shell through the plug-in connectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910939394.XA CN112569766B (en) | 2019-09-30 | 2019-09-30 | Printing waste gas integrated treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910939394.XA CN112569766B (en) | 2019-09-30 | 2019-09-30 | Printing waste gas integrated treatment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112569766A CN112569766A (en) | 2021-03-30 |
| CN112569766B true CN112569766B (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910939394.XA Active CN112569766B (en) | 2019-09-30 | 2019-09-30 | Printing waste gas integrated treatment system |
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| CN (1) | CN112569766B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116717640B (en) * | 2023-05-29 | 2023-12-08 | 上海协微环境科技有限公司 | Waterproof vapour is palirrheated flange subassembly and tail gas processing system |
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