CN119793110B - A printing waste gas purification device for printing production - Google Patents
A printing waste gas purification device for printing production Download PDFInfo
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- CN119793110B CN119793110B CN202411905548.0A CN202411905548A CN119793110B CN 119793110 B CN119793110 B CN 119793110B CN 202411905548 A CN202411905548 A CN 202411905548A CN 119793110 B CN119793110 B CN 119793110B
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Abstract
本发明公开了一种印刷品生产的印刷废气净化装置，涉及废气处理装置技术领域，包括净化器外壳和过滤机构，过滤机构的外侧有设置清扫机构和光氧催化机构，净化器外壳的顶部设置有驱动机构，净化器外壳包括进风筒和检修盖，检修盖固定安装在进风筒的顶部，进风筒的前端面设置有检修梯，进风筒的左右两侧分别设置有进风口和出风口，进风筒的底部设置有排渣口，过滤机构包括过滤筒和封盖，过滤筒内装填有活性炭颗粒，封盖上设置有用于搅拌活性炭颗粒的翻料桨。本发明具备高效净化、延长吸附材料使用寿命、降低运行成本及易于维护的优点，解决了传统装置净化不彻底、活性炭利用不充分、过滤部件易堵塞及处理手段单一的问题。
The present invention discloses a printing waste gas purification device for printed matter production, which relates to the technical field of waste gas treatment devices, including a purifier housing and a filtering mechanism, a cleaning mechanism and a photo-oxidation catalytic mechanism are arranged on the outside of the filtering mechanism, a driving mechanism is arranged on the top of the purifier housing, the purifier housing includes an air inlet and an inspection cover, the inspection cover is fixedly installed on the top of the air inlet, an inspection ladder is arranged on the front face of the air inlet, an air inlet and an air outlet are arranged on the left and right sides of the air inlet, a slag discharge port is arranged at the bottom of the air inlet, the filtering mechanism includes a filter cartridge and a sealing cover, the filter cartridge is filled with activated carbon particles, and a turning paddle for stirring the activated carbon particles is arranged on the sealing cover. The present invention has the advantages of efficient purification, extended service life of adsorption materials, reduced operating costs and easy maintenance, and solves the problems of incomplete purification of traditional devices, insufficient utilization of activated carbon, easy clogging of filter components and single treatment means.
Description
Technical Field
The invention relates to the technical field of waste gas treatment devices, in particular to a printing waste gas purification device for printed matter production.
Background
In the printing industry, particularly during printing with solvent-based inks or paints, a certain amount of printing off-gas is released. These exhaust gases typically contain volatile organic compounds (e.g., benzene, alcohols, esters, etc.), particulates, and other pollutants that are harmful to the environment and human health. In order to meet increasingly stringent environmental regulations and to protect staff health, these exhaust gases must be treated effectively.
The conventional printing exhaust gas purifying apparatus has various drawbacks. For example, the common rectangular filter plate filtering mode has limited contact area between waste gas and filter media, and local adsorption saturation phenomenon is easy to occur, so that the filtering effect is poor, the purification is incomplete, the increasingly strict environmental emission standard cannot be met, meanwhile, the active carbon on the windward side in the filter plate of the traditional device is excessively fast in adsorption saturation, the active carbon on the leeward side is shielded and cannot fully adsorb harmful substances in the waste gas, the service life of the active carbon is shorter, the replacement is frequent, the running cost and the maintenance workload are increased, in addition, the cleaning maintenance of the filter part is insufficient, dust and particles are easily accumulated on the surface of the filter part, the filter hole is blocked, the ventilation property and the filtering efficiency are reduced, and the existing waste gas purifying device is single in means and cannot thoroughly adsorb the gas containing the organic solvent.
Disclosure of Invention
The invention aims to provide a printing waste gas purifying device for printed matter production, which has the advantages of high-efficiency purification, prolonged service life of adsorption materials, reduced operation cost and easy maintenance, and solves the problems of incomplete purification, insufficient utilization of active carbon, easy blockage of a filtering component and single treatment means of the traditional device.
The invention provides a printing waste gas purifying device for printed matter production, which comprises a purifier shell and a filtering mechanism, wherein a cleaning mechanism and a photo-oxygen catalytic mechanism are arranged on the outer side of the filtering mechanism, and a driving mechanism is arranged at the top of the purifier shell;
the purifier shell comprises an air inlet cylinder and an access cover, the access cover is fixedly arranged at the top of the air inlet cylinder, an access ladder is arranged on the front end face of the air inlet cylinder, an air inlet and an air outlet are respectively arranged on the left side and the right side of the air inlet cylinder, and a slag discharge port is arranged at the bottom of the air inlet cylinder;
The filter mechanism comprises a filter cylinder and a sealing cover, wherein active carbon particles are filled in the filter cylinder, a stirring paddle for stirring the active carbon particles is arranged on the sealing cover, and the filter cylinder is arranged in the purifier shell and is rotationally connected with the purifier shell;
the photo-oxygen catalytic mechanism comprises a catalytic metal ring and a lamp holder, wherein the catalytic metal ring is fixedly arranged on the cleaning mechanism, and the lamp holder is fixedly arranged on the driving mechanism;
the cleaning mechanism comprises an outer cleaning rod, an inner cleaning rod and a connecting plate, and is arranged at the outer side of the filter cylinder;
The driving mechanism comprises a driving motor, a connecting shaft sleeve and a driving shaft, wherein the driving motor is fixedly arranged on the access cover, the connecting shaft sleeve is fixedly arranged on an output shaft of the driving motor, and the driving shaft is detachably arranged on the connecting shaft sleeve.
As the printing waste gas purifying device for producing printed matters, the invention is characterized in that the filter cartridge is of a cylindrical hollow structure, a first filter hole is formed in the side surface of the filter cartridge, guide posts attached to the filter cartridge are arranged on the front end surface and the rear end surface of the inner wall of the air inlet tube, the turning paddles comprise a central shaft and paddles, the paddles are two groups of arc-shaped metal plates which are symmetrical in center, the top of the central shaft penetrates through a sealing cover to be connected with the central shaft in a rotating way, and the turning paddles are arranged on the sealing cover in an equidistant circumferential array.
As the printing waste gas purifying device for producing printed matters, the side end face of the guide post is of a circular arc structure, the filter cartridge is installed in the purifier shell and is connected with the filter cartridge in a rotating mode, the upper end face of the sealing cover is provided with a central plate, the driving shaft penetrates through the central plate to drive the central plate, a gear is arranged at the top of the central shaft, a limiting plate is arranged at the top of the guide post, and an arc-shaped rack meshed with the gear is arranged on the side face of the limiting plate.
As a printing waste gas purifying device for producing printed matter, preferably, the bottom of the guide post is provided with an arc-shaped flange for supporting the filter cartridge, and the upper end surface of the arc-shaped flange is uniformly provided with rollers.
As the printing waste gas purifying device for producing printed matters, the side surface of the guide post is provided with the guide sliding groove, the outer cleaning rod is provided with the guide sliding bar which is in sliding fit with the guide sliding groove, the outer cleaning rod and the inner cleaning rod are fixedly arranged on the upper end surface of the connecting plate, the outer cleaning rod is provided with the first brush hair which is attached to the outer end surface of the outer side of the filter cartridge, the inner cleaning rod is provided with the second brush hair which is attached to the outer end surface of the inner side of the filter cartridge, and the guide post is positioned at the upper end of the slag discharging port.
As a printing waste gas purifying device for producing printed matter, the bottom of the driving shaft is preferably provided with a reciprocating screw rod, and the center of the connecting plate is provided with a screw hole matched with the reciprocating screw rod.
As the printing waste gas purifying device for producing printed matter, the catalytic metal ring is preferably of a circular ring-shaped hollow structure, the surface of the catalytic metal ring is provided with honeycomb holes, a hidden groove is arranged between every two adjacent honeycomb holes, and the lamp bracket comprises an ultraviolet lamp and a reflecting shade.
As the printing waste gas purifying device for producing printed matters, the invention is characterized in that the driving motor is fixedly arranged on the access cover, the number of the filter cylinders and the driving shafts is two, the two groups of driving shafts are driven by the synchronous belt and the synchronous wheels, the output shaft of the driving motor is fixedly provided with the connecting shaft sleeve, the top of the driving shaft is provided with the hexagonal column, the lower end surface of the connecting shaft sleeve is arranged in a first inner hexagonal hole in sliding fit with the hexagonal column, and the center of the central plate is provided with a second inner hexagonal hole in sliding fit with the hexagonal column.
As the printing waste gas purifying device for producing printed matters, the lower end face of the limiting plate is preferably provided with the positioning column, the upper end face of the guiding column is provided with the positioning hole which is in sliding fit with the positioning column, and the upper end face of the access cover is provided with the hanging ring.
As the printing waste gas purifying device for producing printed matters, the lower end of the slag discharging port is preferably provided with a slag discharging pipe, the side surface of the slag discharging pipe is provided with a baffle plate which is rotationally connected through a hinge, and the inner side of the air outlet is provided with a filter plate.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the invention, through the cylindrical filter cylinder structure, waste gas is filtered for four times and purified for two times when passing through, compared with the traditional rectangular filter plate, the contact area and contact time of the waste gas and the activated carbon are greatly increased by the design, and therefore, the filtering effect and the purifying effect are remarkably improved, harmful substances in the waste gas can be effectively removed, the activated carbon particles filled in the filter cylinder can absorb organic pollutants in the waste gas, and through the design of the turning paddle, the activated carbon particles can be continuously turned over, the activated carbon at the position close to the filter screen is prevented from being adsorbed and saturated too early, so that the activated carbon consumption is more uniform, the efficient utilization of the activated carbon in the whole filter cylinder is ensured, the replacement period of the activated carbon is prolonged, the operation cost is reduced, the filter cylinder can rotate in the outer shell of the purifier, the drive shaft drives the filter cylinder to rotate, each surface of the filter cylinder can uniformly face the waste gas flow, the problem of local adsorption and saturation caused by the fact that one surface of the activated carbon particles always faces the air flow is further improved, meanwhile, the local premature blocking of the filter cylinder is prevented, the service life of the filter cylinder is effectively prolonged, and the frequency of the filter screen is reduced, and the maintenance cost of the equipment is reduced.
2. According to the invention, the cleaning mechanism is arranged through the device, when the filter cartridge rotates, the first brush hair on the outer cleaning rod can brush and sweep the outer end face of the filter cartridge, and the second brush hair on the inner cleaning rod can brush and sweep the inner end face of the filter cartridge, so that dust and particles attached to the surface of the filter cartridge can be swept down to a slag discharging port, the filter cartridge always maintains higher air permeability, the stability of the filtering effect is ensured, the reciprocating screw rod at the bottom of the driving shaft due to the filtration efficiency reduction caused by dust accumulation is prevented from being matched with the connecting plate, the outer cleaning rod and the inner cleaning rod can be driven to slide up and down to brush and sweep the filter cartridge, and the up and down brushing mode is combined with the rotation of the filter cartridge, so that the particle waste residue clamped in the filter cartridge can be cleared more thoroughly, the cleaning effect is further improved, and the continuous and efficient operation of equipment is ensured.
3. According to the invention, the catalytic metal ring in the photo-oxygen catalytic mechanism can make the organic solvent undergo catalytic reaction under the irradiation of the ultraviolet lamp and decompose into carbon dioxide and water, so that the deep purification of organic waste gas is realized, the pollution degree of the waste gas is further reduced, the honeycomb holes and the hidden groove structural design on the surface of the catalytic metal ring not only increase the contact area of the catalytic metal ring and air and promote the reaction rate, but also the water generated in the reaction process can be shaken off in the shaking process, and the waste gas is treated more thoroughly through filtration, photo-oxygen catalysis and activated carbon adsorption triple treatment, thereby promoting the environmental protection performance of equipment.
4. According to the invention, the arc-shaped flange and the roller are arranged at the bottom of the guide post, so that the friction force between the filter cartridge and the purifier shell is reduced, the filter cartridge is more smoothly installed and slid, the filter cartridge is convenient to install and replace, and the convenience of overhauling the filter cartridge is improved. Meanwhile, the arc-shaped flange also plays a role in positioning and supporting the filter cartridge, reduces the load pressure of the drive shaft, is favorable for the stable operation of equipment, adopts a sliding connection mode between the drive motor and the drive shaft, is convenient for the assembly and disassembly of the drive mechanism through the cooperation of the hexagonal column and the inner hexagonal hole, improves the convenience of equipment maintenance and maintenance, and is convenient for lifting the maintenance cover and the drive motor together for maintenance by the aid of the lifting rings arranged on the maintenance cover, so that the shutdown maintenance time of the equipment is greatly shortened, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2 A-A in accordance with the present invention;
FIG. 4 is a cross-sectional view B-B of FIG. 2 in accordance with the present invention;
FIG. 5 is a schematic view showing the cooperation of the filtering mechanism, the photo-oxygen catalytic mechanism, the brushing mechanism and the driving mechanism;
FIG. 6 is a schematic view of the overall structure of the access cover of the present invention in an open condition;
FIG. 7 is an enlarged view of FIG. 6 at C in accordance with the present invention;
FIG. 8 is a schematic view of a sweeping mechanism according to the present invention;
FIG. 9 is a schematic view of a purifier housing according to the present invention;
FIG. 10 is a schematic view of a limiting plate structure according to the present invention;
FIG. 11 is a schematic view of a turning paddle according to the present invention;
FIG. 12 is an enlarged view of FIG. 3D in accordance with the present invention;
FIG. 13 is an enlarged view of FIG. 3E in accordance with the present invention;
Fig. 14 is a schematic view of a lamp stand structure according to the present invention.
1, A purifier shell; 101, an air inlet cylinder; 1011, air inlet; 1012, air outlet, 1013, slag discharging port, 102, access cover, 1021, hanging ring, 103, access ladder, 104, guide post, 1041, guide chute, 1042, positioning hole, 1043, arc flange, 1044, roller, 105, limit plate, 1051, arc rack, 1052, positioning post, 106, filter plate, 107, slag discharging pipe, 1071, baffle, 2, filter mechanism, 201, filter cartridge, 2011, first filter hole, 202, cover, 2021, center plate, 2022, second inner hexagonal hole, 203, turning paddle, 2031, center shaft, 2032, gear, 2033, paddle, 20331, second filter hole, 3, photo-oxygen catalytic mechanism, 301, catalytic metal ring, 3011, honeycomb hole, 3012, blind groove, 302, lamp holder, 3021, ultraviolet lamp, 3022, reflector, 4, cleaning mechanism, 401, outer rod, 4011, guide strip, 4012, first bristle, 402, inner rod, 4021, second bristle, 403, connecting screw hole, 2032, gear, 2033, driving screw hole, 2033, rocker arm, 20331, driving screw, driving shaft, 5032, driving synchronous belt, and driving synchronous belt.
Detailed Description
Referring to fig. 1-14, a printing waste gas purifying device for producing printed matter comprises a purifier shell 1 and a filtering mechanism 2, wherein a cleaning mechanism 4 and a photo-oxygen catalytic mechanism 3 are arranged on the outer side of the filtering mechanism 2, and a driving mechanism 5 is arranged on the top of the purifier shell 1;
The purifier shell 1 comprises an air inlet cylinder 101 and an access cover 102, wherein the access cover 102 is fixedly arranged at the top of the air inlet cylinder 101, an access ladder 103 is arranged on the front end surface of the air inlet cylinder 101, an air inlet 1011 and an air outlet 1012 are respectively arranged on the left side and the right side of the air inlet cylinder 101, and a slag discharging hole 1013 is arranged at the bottom of the air inlet cylinder 101;
the filter mechanism 2 comprises a filter cartridge 201 and a sealing cover 202, wherein the filter cartridge 201 is filled with activated carbon particles, a stirring paddle 203 for stirring the activated carbon particles is arranged on the sealing cover 202, and the filter cartridge 201 is arranged in the purifier shell 1 and is connected with the purifier shell in a rotating way;
the photo-oxygen catalytic mechanism 3 comprises a catalytic metal ring 301 and a lamp holder 302, wherein the catalytic metal ring 301 is fixedly arranged on the cleaning mechanism 4, and the lamp holder 302 is fixedly arranged on a driving shaft 503 of the driving mechanism 5;
The cleaning mechanism 4 comprises an outer cleaning rod 401, an inner cleaning rod 402 and a connecting plate 403, and the cleaning mechanism 4 is arranged on the outer side of the filter cartridge 201;
The driving mechanism 5 comprises a driving motor 501, a connecting shaft sleeve 502 and a driving shaft 503, wherein the driving motor 501 is fixedly arranged on the access cover 102, the connecting shaft sleeve 502 is fixedly arranged on an output shaft of the driving motor 501, and the driving shaft 503 is detachably arranged on the connecting shaft sleeve 502.
Further, the filter cartridge 201 is of a cylindrical hollow structure, a first filtering hole 2011 is formed in the side surface of the filter cartridge 201, guide posts 104 attached to the filter cartridge 201 are arranged on the front end surface and the rear end surface of the inner wall of the air inlet cylinder 101, the turning paddles 203 comprise a central shaft 2031 and paddles 2033, the paddles 2033 are two groups of arc-shaped metal plates with central symmetry, a second filtering hole 20331 is formed in each paddle 2033, the top of the central shaft 2031 penetrates through the sealing cover 202 to be connected with the sealing cover in a rotating mode, and the turning paddles 203 are mounted on the sealing cover 202 in an equidistant circumferential array.
Cylindric cartridge filter 201 for waste gas passes through the cartridge filter 201 and passes through four times and twice active carbon purification, for traditional rectangle form filter 106, filter effect and purifying effect are better, and the guide post 104 structure of front and back both sides promotes the laminating nature between cartridge filter 201 and the clarifier shell 1, avoids waste gas to leak, through set up the stirring rake 203 structure that a plurality of rotations are connected in cartridge filter 201, from the active carbon granule in the filter that turns, avoids pressing close to the active carbon premature adsorption saturation of filter screen department, makes the active carbon consumption more even.
Further, the side end face of the guide post 104 is in a circular arc structure, the filter cartridge 201 is installed in the purifier housing 1 and is rotatably connected with the filter cartridge, a central plate 2021 is arranged on the upper end face of the cover 202, the driving shaft 503 penetrates through the central plate 2021 to drive the filter cartridge, a gear 2032 is arranged at the top of the central shaft 2031, a limiting plate 105 is arranged at the top of the guide post 104, and an arc-shaped rack 1051 meshed with the gear 2032 is arranged on the side face of the limiting plate 105.
The filter cartridge 201 is driven to rotate through the driving shaft 503, so that all sides of the filter cartridge 201 can face towards the waste gas flow, active carbon particles in the filter cartridge 201 are prevented from facing the gas flow all the time, active carbon is prevented from being locally adsorbed and saturated, further, uniformity of active carbon consumption is improved, the filter cartridge 201 is prevented from being locally and prematurely blocked, the service life of a filter screen is prolonged, and when the filter cartridge 201 rotates, the filter cartridge is matched with the arc-shaped rack 1051 through the gear 2032, so that the turning paddle 203 can be driven to rotate.
Further, an arc-shaped flange 1043 for supporting the filter cartridge 201 is disposed at the bottom of the guide post 104, and rollers 1044 are uniformly disposed on the upper end surface of the arc-shaped flange 1043.
The friction force between the filter cartridge 201 and the purifier shell 1 is reduced through the idler wheels 1044, so that the filter cartridge 201 slides more smoothly, the filter cartridge 201 is positioned and supported through the arc-shaped flange 1043, the driving shaft 503 and the filter cartridge 201 are conveniently installed and positioned, and the load pressure of the driving shaft 503 is reduced.
Further, a guide chute 1041 is disposed on a side surface of the guide post 104, a guide slide bar 4011 slidably matched with the guide chute 1041 is disposed on the outer cleaning rod 401, the outer cleaning rod 401 and the inner cleaning rod 402 are fixedly mounted on an upper end surface of the connecting plate 403, first bristles 4012 attached to an outer end surface of the outer side of the filter cartridge 201 are disposed on the outer cleaning rod 401, second bristles 4021 attached to an outer end surface of the inner side of the filter cartridge 201 are disposed on the inner cleaning rod 402, and the guide post 104 is located at an upper end of the slag discharging port 1013.
The filter cartridge 201 in sliding connection is convenient to install and replace the filter cartridge 201, the maintenance convenience of the filter cartridge 201 is improved, when the filter cartridge 201 rotates, the first brush hair 4012 brushes the outer end face of the filter cartridge 201, the second brush hair 4021 brushes the inner end face of the filter cartridge 201, and therefore the filter cartridge 201 is cleaned, dust and particles attached to the surface of the filter cartridge 201 are swept to the slag discharging opening 1013, and the filter cartridge 201 keeps high air permeability.
Further, a reciprocating screw 5032 is disposed at the bottom of the driving shaft 503, and a screw hole 4031 matched with the reciprocating screw 5032 is disposed at the center of the connecting plate 403.
The driving shaft 503 drives the reciprocating screw rod 5032 to rotate, so that the reciprocating screw rod 5032 and the connecting plate 403 drive the connecting plate 403 to slide up and down under the action of screw rod movement, and thus the outer cleaning rod 401 and the inner cleaning rod 402 are driven to slide up and down to brush the filter cartridge 201, and the mode of up and down brushing is matched with the autorotation of the filter cartridge 201 to thoroughly brush the particle waste residues clamped in the filter cartridge 201.
Further, the catalytic metal ring 301 is a circular hollow structure, a honeycomb hole 3011 is provided on the surface of the catalytic metal ring 301, a blind groove 3012 is provided between adjacent honeycomb holes 3011, and the lamp holder 302 includes an ultraviolet lamp 3021 and a reflector 3022.
The ultraviolet lamp 3021 irradiates the catalytic metal ring 301, the catalytic metal ring 301 is made of palladium, the palladium performs catalytic reaction on the organic solvent to decompose the catalytic metal ring into carbon dioxide and water, the irradiation intensity is improved through the reflecting cover 3022, the driving shaft 503 drives the lamp holder 302 to rotate to enable a linear light source to be changed into a surface light source, the catalytic metal ring 301 is fixedly arranged on the inner cleaning frame, when the inner cleaning frame shakes up and down, the catalytic metal ring 301 can be driven to shake up and down, light can penetrate through the honeycomb holes 3011 to irradiate inside the catalytic metal ring 301, the contact area between the catalytic metal ring and air is increased through the structure of the blind groove 3012, the reaction rate is improved, water generated in the reaction process can be shaken off in the shaking process, and the purification effect of waste gas is further improved.
Further, the driving motor 501 is fixedly installed on the access cover 102, the number of the filter cartridges 201 and the driving shafts 503 is two, two groups of driving shafts 503 are in transmission through the synchronous belt 505 and the synchronous wheels 504, a connecting shaft sleeve 502 is fixedly installed on an output shaft of the driving motor 501, a hexagonal column 5031 is arranged at the top of the driving shaft 503, a lower end face of the connecting shaft sleeve 502 is arranged in a first inner hexagonal hole 5021 in sliding fit with the hexagonal column 5031, and a second inner hexagonal hole 2022 in sliding fit with the hexagonal column 5031 is arranged in the center of the central plate 2021.
The driving motor 501 drives the driving shaft 503 to rotate through the connecting shaft sleeve 502, the driving shaft 503 drives the filter cartridge 201 to rotate through the hexagonal column 5031 and the second inner hexagonal hole 2022, and the connecting shaft sleeve 502 and the hexagonal column 5031 are in sliding connection, so that the driving mechanism 5 is convenient to assemble and disassemble, and convenience of equipment overhaul and maintenance is improved.
Further, a positioning post 1052 is disposed on the lower end surface of the limiting plate 105, a positioning hole 1042 slidably engaged with the positioning post 1052 is disposed on the upper end surface of the guiding post 104, and a hanging ring 1021 is disposed on the upper end surface of the access cover 102.
The limiting plate 105 is installed on the upper end face of the guide post 104 through the sliding fit of the positioning post 1052 and the positioning hole 1042, when the filter cartridge 201 needs to be replaced, the lower limiting plate 105 is also convenient and quick to remove, so that the filter cartridge 201 is convenient to withdraw, the lifting ring 1021 is arranged on the access cover 102, and the access cover 102 and the driving motor 501 are convenient to lift together for maintenance.
Further, a slag discharging pipe 107 is provided at the lower end of the slag discharging port 1013, a baffle 1071 rotatably connected by a hinge is provided at the side of the slag discharging pipe 107, and a filter plate 106 is provided at the inner side of the air outlet 1012.
The slag discharging pipe 107 is used for enabling the slag discharging port 1013 to have certain slag storage capacity, the baffle 1071 is used for shielding the slag discharging pipe 107, continuous air leakage of the slag discharging port 1013 is avoided, and the filter plate 106 is arranged on the inner side of the air outlet 1012 to perform final interception and filtration, so that fine gaps exist between the filter cartridge 201 and the purifier shell 1, and waste gas leakage is avoided.
When the device is used, the filter cartridge 201 filled with activated carbon particles is inserted into the purifier shell 1, the bottom of the filter cartridge 201 is attached to the arc-shaped flange 1043, the filter cartridge 201 is tightly attached to the guide post 104, the driving shaft 503 can be accurately inserted into the second inner hexagonal hole 2022 of the central plate 2021 of the cover 202 of the filter cartridge 201, transmission connection is realized, meanwhile, the limiting plate 105 is arranged on the upper end face of the guide post 104 through the positioning post 1052 and the positioning hole 1042, the gear 2032 is meshed with the arc-shaped rack 1051, the access cover 102 is covered, the connecting shaft sleeve 502 of the motor is aligned with the hexagonal post 5031, the driving motor 501 is started, the output shaft of the driving motor 501 drives the driving shaft 503 to rotate through the connecting shaft sleeve 502, and as the two groups of driving shafts 503 are transmitted through the synchronous belt 505 and the synchronous wheel 504, the two filter cartridges 201 start rotating at the same time, each face of the filter cartridge 201 can be uniformly contacted with waste gas flow, ensuring the efficient utilization and uniform adsorption of the activated carbon, along with the rotation of the driving shaft 503, the reciprocating screw rod 5032 arranged at the bottom of the driving shaft rotates synchronously, the connecting plate 403 drives the outer cleaning rod 401 and the inner cleaning rod 402 to slide up and down by matching with the screw hole 4031 on the connecting plate 403, the filter cartridge 201 starts to be cleaned preliminarily, the waste gas generated by the printing factory enters the device through the air inlet 1011 of the air inlet drum 101, firstly passes through the rotating filter cartridge 201, the waste gas fully contacts with activated carbon particles filled in the cartridge when passing through the first filtering hole 2011 on the side surface of the filter cartridge 201, the activated carbon adsorbs organic pollutants and part of dust particles in the waste gas, the waste gas after the primary purification of the filter cartridge 201 continues to flow, at the moment, the ultraviolet lamp 3021 continuously irradiates the catalytic metal ring 301, the catalytic metal ring 301 made of palladium is excited by ultraviolet light to perform catalytic oxidation reaction on organic components such as organic solvent and the like remained in waste gas, so that the organic components are decomposed into carbon dioxide and water, the waste gas is further deeply purified, the filter cartridge 201 continuously rotates in the waste gas treatment process, the stirring paddle 203 continuously turns active carbon particles under the cooperation of the gear 2032 and the arc-shaped rack 1051 to avoid the partial adsorption saturation of the active carbon, meanwhile, the cleaning mechanism 4 continuously works, bristles on the outer cleaning rod 401 and the inner cleaning rod 402 continuously brush the inner end surface and the outer end surface of the filter cartridge 201 to sweep attached dust and particles to the slag discharging port 1013, the air permeability and the adsorption efficiency of the filter cartridge 201 are maintained, when waste slag at the slag discharging port 1013 is required to be cleaned, the baffle 1071 at the side surface of the slag discharging pipe 107 is opened, the waste slag is discharged into the slag discharging pipe 107 under the action of gravity, then the collection treatment is performed, the entry of the waste gas can be properly stopped in the slag discharging process, secondary pollution caused by the waste slag lifting can be avoided, the inner side of the air outlet 1012 is also provided with the active carbon 106, the filter plate 106 is finally filtered, and the fine clearance exists between the filter cartridge 201 and the filter plate cleaner housing 1 is avoided.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. The printing waste gas purifying device for producing printed matters comprises a purifier shell (1) and a filtering mechanism (2), and is characterized in that a cleaning mechanism (4) and a photo-oxygen catalytic mechanism (3) are arranged on the outer side of the filtering mechanism (2), and a driving mechanism (5) is arranged at the top of the purifier shell (1);
The purifier comprises a purifier shell (1) and a purifier cover, wherein the purifier shell (1) comprises an air inlet cylinder (101) and an access cover (102), the access cover (102) is fixedly arranged at the top of the air inlet cylinder (101), an access ladder (103) is arranged on the front end surface of the air inlet cylinder (101), an air inlet (1011) and an air outlet (1012) are respectively arranged on the left side and the right side of the air inlet cylinder (101), and a slag outlet (1013) is arranged at the bottom of the air inlet cylinder (101);
the filter mechanism (2) comprises a filter cartridge (201) and a sealing cover (202), wherein active carbon particles are filled in the filter cartridge (201), a stirring paddle (203) for stirring the active carbon particles is arranged on the sealing cover (202), and the filter cartridge (201) is installed in the purifier shell (1) and is connected with the purifier shell in a rotating way;
the photo-oxygen catalytic mechanism (3) comprises a catalytic metal ring (301) and a lamp holder (302), wherein the catalytic metal ring (301) is fixedly arranged on the cleaning mechanism (4), and the lamp holder (302) is fixedly arranged on the driving mechanism (5);
The cleaning mechanism (4) comprises an outer cleaning rod (401), an inner cleaning rod (402) and a connecting plate (403), and the cleaning mechanism (4) is arranged on the outer side of the filter cartridge (201);
the driving mechanism (5) comprises a driving motor (501), a connecting shaft sleeve (502) and a driving shaft (503), wherein the driving motor (501) is fixedly installed on the access cover (102), the connecting shaft sleeve (502) is fixedly installed on an output shaft of the driving motor (501), and the driving shaft (503) is detachably installed on the connecting shaft sleeve (502).
2. The printing waste gas purification device for producing printed matters according to claim 1, wherein the filter cartridge (201) is of a cylindrical hollow structure, first filter holes (2011) are formed in the side face of the filter cartridge (201), guide posts (104) attached to the filter cartridge (201) are arranged on the front end face and the rear end face of the inner wall of the air inlet cylinder (101), the stirring paddle (203) comprises a central shaft (2031) and paddles (2033), the top of the central shaft (2031) penetrates through the sealing cover (202) to be connected with the central shaft in a rotating mode, and the stirring paddles (203) are mounted on the sealing cover (202) in an equidistant circumferential array.
3. The printing waste gas purifying device for producing printed matters according to claim 2, wherein the side end face of the guide post (104) is of a circular arc structure, the filter cartridge (201) is installed in the purifier shell (1) and is rotationally connected with the filter cartridge, a central plate (2021) is arranged on the upper end face of the sealing cover (202), the driving shaft (503) penetrates through the central plate (2021) to drive the central plate (2021), a gear (2032) is arranged on the top of the central shaft (2031), a limiting plate (105) is arranged on the top of the guide post (104), and an arc-shaped rack (1051) meshed with the gear (2032) is arranged on the side face of the limiting plate (105).
4. The printing waste gas purifying device for producing printed matters according to claim 3, wherein an arc-shaped flange (1043) for supporting the filter cartridge (201) is arranged at the bottom of the guide post (104), and rollers (1044) are uniformly arranged on the upper end surface of the arc-shaped flange (1043).
5. The printing waste gas purification device for producing printed matters, as set forth in claim 4, wherein a guide chute (1041) is arranged on the side surface of the guide post (104), a guide slide bar (4011) which is in sliding fit with the guide chute (1041) is arranged on the outer cleaning post (401), the outer cleaning post (401) and the inner cleaning post (402) are fixedly arranged on the upper end surface of the connecting plate (403), a first bristle (4012) which is jointed with the outer end surface of the outer side of the filter cartridge (201) is arranged on the outer cleaning post (401), a second bristle (4021) which is jointed with the outer end surface of the inner side of the filter cartridge (201) is arranged on the inner cleaning post (402), and the guide post (104) is positioned at the upper end of the slag discharging port (1013).
6. The printing waste gas purifying device for producing printed matter according to claim 5, wherein a reciprocating screw (5032) is arranged at the bottom of the driving shaft (503), and a screw hole (4031) matched with the reciprocating screw (5032) is arranged at the center of the connecting plate (403).
7. The printing waste gas purification device for producing printed matters according to claim 1, wherein the catalytic metal ring (301) is of a circular ring-shaped hollow structure, honeycomb holes (3011) are formed in the surface of the catalytic metal ring (301), a hidden groove (3012) is formed between every two adjacent honeycomb holes (3011), and the lamp bracket (302) comprises an ultraviolet lamp (3021) and a reflecting cover (3022).
8.A printing exhaust gas purification device for printed matter production according to claim 3, wherein the driving motor (501) is fixedly arranged on the access cover (102), a connecting shaft sleeve (502) is fixedly arranged on an output shaft of the driving motor (501), a hexagonal column (5031) is arranged at the top of the driving shaft (503), the lower end face of the connecting shaft sleeve (502) is arranged in a first inner hexagonal hole (5021) in sliding fit with the hexagonal column (5031), and a second inner hexagonal hole (2022) in sliding fit with the hexagonal column (5031) is arranged in the center of the central plate (2021).
9. The printing waste gas purification device for producing printed matters according to claim 8, wherein a positioning column (1052) is arranged on the lower end face of the limiting plate (105), a positioning hole (1042) which is in sliding fit with the positioning column (1052) is arranged on the upper end face of the guide column (104), and a lifting ring (1021) is arranged on the upper end face of the access cover (102).
10. The printing exhaust gas purifying device for producing printed matters according to claim 1, wherein a slag discharging pipe (107) is arranged at the lower end of the slag discharging opening (1013), a baffle plate (1071) which is rotationally connected through a hinge is arranged on the side surface of the slag discharging pipe (107), and a filter plate (106) is arranged on the inner side of the air outlet (1012).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411905548.0A CN119793110B (en) | 2024-12-23 | 2024-12-23 | A printing waste gas purification device for printing production |
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| CN202411905548.0A CN119793110B (en) | 2024-12-23 | 2024-12-23 | A printing waste gas purification device for printing production |
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| CN120733525A (en) * | 2025-08-18 | 2025-10-03 | 六盘水师范学院 | Coal bed gas filtering device and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001149754A (en) * | 1999-11-30 | 2001-06-05 | Japan Organo Co Ltd | Method and device for treating waste gas containing volatile organic material |
| CN103055695A (en) * | 2011-10-19 | 2013-04-24 | 郑承煜 | Waste gas purification method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103638763A (en) * | 2013-11-28 | 2014-03-19 | 昆山亿诚化工容器有限公司 | Waste gas purification tower |
| CN109248507A (en) * | 2018-11-22 | 2019-01-22 | 苏州敬天爱人环境科技有限公司 | A kind of exhaust gas pretreating device |
| CN118987947A (en) * | 2024-08-15 | 2024-11-22 | 海宁华隆纸制品股份有限公司 | Printing VOC processing system |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001149754A (en) * | 1999-11-30 | 2001-06-05 | Japan Organo Co Ltd | Method and device for treating waste gas containing volatile organic material |
| CN103055695A (en) * | 2011-10-19 | 2013-04-24 | 郑承煜 | Waste gas purification method and device |
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