CN210171122U

CN210171122U - Waste gas treatment device for ink production

Info

Publication number: CN210171122U
Application number: CN201920827875.7U
Authority: CN
Inventors: Xuechun Wang; 王学春; Yongxiao Wang; 王永孝
Original assignee: Shandong Limei Jetink Technology Co Ltd
Current assignee: Shandong Limei Jetink Technology Co Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-03-24
Anticipated expiration: 2029-06-03

Abstract

The utility model is suitable for the technical field of ink production equipment, and provides an ink production waste gas treatment device, which comprises an air exhaust structure, wherein the air exhaust structure is connected with a filtering structure, the filtering structure comprises a filtering barrel body, a filtering piece is arranged inside the filtering barrel body, and the edge of the filtering piece is fixedly connected on the inner wall of the filtering barrel body through a fixing piece; the gas absorption structure is connected to the filtration, and gas absorption structure is including inserting jar interior (mixing) shaft and the outer (mixing) shaft in the body, and outer (mixing) shaft and interior (mixing) shaft cup joint and mutual independence rotate, and first stirring rake and second stirring rake are connected respectively to outer (mixing) shaft and the bottom of interior (mixing) shaft. Therefore, the utility model discloses can filter and adsorb the two-stage to the waste gas that the ink quality testing in-process produced and handle, reduce in the waste gas volatile organic compounds to the healthy harm of staff, also reduce the pollution to the environment simultaneously.

Description

Waste gas treatment device for ink production

Technical Field

The utility model relates to an ink production facility technical field especially relates to an ink production exhaust treatment device.

Background

With the rapid development of the printing and packaging industry, the demand on printing raw material ink is more and more increased, the ink comprises polymer resin, monomer diluent, photoinitiator, pigment, auxiliary agent, filler and the like, organic waste gas with extremely high volatility such as benzene, toluene, xylene, acetone, butanone, lipids, ethers and the like can be generated in the production process, the toluene, the xylene and the like in the waste gas have carcinogenic effect, and other components also have pollution to the environment to different degrees and influence the health of human bodies.

Production enterprises need to detect the quality of ink when the ink leaves a factory, but the quality detection of the ink is one link of ink production, and waste gas generated by the quality detection of the ink is relatively less compared with waste gas generated by long-time spray printing in a printing factory, so that the waste gas treatment in the quality detection process is rarely emphasized by the ink production enterprises in the prior art; however, the long-term production causes the waste gas in the ink quality inspection workshop to be gradually accumulated, which not only affects the health of workers, but also pollutes the environment.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

To foretell defect, the utility model aims to provide an ink production exhaust treatment device, it can filter and adsorb the two-stage to the waste gas that the ink quality control in-process produced and handle, reduces in the waste gas volatile organic compounds to the healthy harm of staff, also reduces the pollution to the environment simultaneously.

In order to achieve the above object, the utility model provides an ink production exhaust treatment device, including the structure of bleeding, the structure of bleeding includes the air exhauster, the air exhauster passes through exhaust tube and connects the cover of bleeding, just filtration is connected to the air exhauster.

The filter structure comprises a filter cylinder, wherein a filter element is arranged in the filter cylinder and comprises two filter layers, and filter materials are filled in the two filter layers; the edge of the filter element is fixedly connected to the inner wall of the filter cylinder body through a fixing element; the filtering structure is further connected with an air inlet pipe through an air pump, and the air inlet pipe is connected with the air absorption structure.

The gas absorption structure comprises a tank body, absorbent is filled in the tank body, the gas inlet pipe is inserted into the bottom of the tank body, and a plurality of gas holes are formed in the bottom end of the gas inlet pipe; the gas absorption structure also comprises an inner stirring shaft inserted into the tank body, the bottom and the top of the inner stirring shaft are respectively connected with a first stirring paddle and a driving motor, and the upper part of the inner stirring shaft is also fixedly sleeved with a first gear; an outer stirring shaft is sleeved outside the inner stirring shaft, the outer stirring shaft and the inner stirring shaft rotate independently, the outer stirring shaft is inserted into the tank body, the bottom of the outer stirring shaft is connected with a second stirring paddle, and a part of the outer stirring shaft above the tank body is fixedly sleeved with a second gear; the tank body is connected with a rotating shaft, the upper part and the middle part of the rotating shaft are respectively and fixedly sleeved with a third gear and a fourth gear, the fourth gear is meshed with the second gear, a gear ring is sleeved outside the third gear and the first gear, and the gear ring is meshed with the third gear and the first gear respectively.

According to the utility model discloses an ink waste gas processing apparatus, back flush structure is still connected to filtration, back flush structure includes back flush import and back flush export, just back flush import, back flush export and the entering of filtering the barrel, export all are equipped with the valve.

According to the utility model discloses an ink waste gas processing apparatus, the stopper is still connected to the both sides of mounting, the stopper rigid coupling is in on the inner wall of filter tube body.

According to the utility model discloses an ink waste gas processing apparatus, the stopper is equipped with four groups at least.

According to the utility model discloses an ink waste gas treatment device, the bottom of intake pipe is the heliciform.

According to the utility model discloses an ink waste gas treatment device, the diameter of first stirring rake is 40 ~ 60 cm.

According to the utility model discloses an ink waste gas treatment device, first stirring pitch is kept away from the distance of jar body bottom does the third height of the jar body.

According to the utility model discloses an ink waste gas treatment device, second stirring pitch is separated the distance of jar body bottom does the two-thirds height of the jar body.

According to the utility model discloses an ink waste gas treatment device, be equipped with 3 ~ 5 paddles on the second stirring rake, the paddle for the footpath cross-section of outer (mixing) shaft has the angle of inclination of decurrent 0 ~ 80 degree.

According to the utility model discloses an ink waste gas treatment device, the specification of third gear with the fourth gear is the same, and the fourth gear with the drive ratio of second gear is 1:2, 1:3 or 1: 4.

The utility model aims to provide an ink production exhaust treatment device, through setting up the exhaust structure, filtration and the gas absorption structure that connect gradually, the exhaust structure can take away the waste gas that produces in the ink quality testing process to carry filtration, and filtration includes the filter piece that sets up in filtering the barrel, and the major component of filter piece is active carbon, and active carbon can separate volatile organic compounds from waste gas, carries out preliminary treatment to waste gas; gaseous absorption structure is including a jar body, and the absorbent is equipped with to the inside of jar body, and the absorbent can absorb remaining volatile organic compounds in the waste gas, reaches the degree of handling more meticulously, and gaseous absorption structure still includes outer (mixing) shaft and the interior (mixing) shaft that cup joints each other, and outer (mixing) shaft and the incorgruous stirring of interior (mixing) shaft, absorbent and waste gas can keep the efficient mixing state in jar body, improve waste gas absorption effect. To sum up, the beneficial effects of the utility model are that: the waste gas generated in the ink quality inspection process is subjected to two-stage treatment of filtration and adsorption, so that the harm of volatile organic compounds in the waste gas to the health of workers is reduced, and the pollution to the environment is also reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of part A of FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 1 in the direction B;

FIG. 4 is a schematic view of the coil structure of the present invention;

FIG. 5 is a schematic view of the structure of part C of FIG. 1;

FIG. 6 is a schematic structural view of a first stirring paddle of the present invention;

FIG. 7 is a schematic structural view of a second stirring paddle of the present invention;

in the figure: 1-an exhaust fan, 11-an exhaust pipe and 12-an exhaust hood; 2-filtering cylinder, 21-filtering piece, 211-filtering layer, 212-filtering material; 22-a fixing piece, 23-a limiting block and 24-a valve; 3-air pump, 31-air inlet pipe, 311-air hole; 4-tank body, 41-inner stirring shaft, 411-first stirring paddle, 412-paddle teeth, 413-driving motor, 414-motor support frame, 415-first gear; 42-external stirring shaft, 421-second gear, 422-first bearing, 423-second stirring paddle, 424-paddle; 43-rotation axis, 431-second bearing, 432-third gear, 433-fourth gear; 6-gear ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the utility model provides an ink waste gas treatment device, including the structure of bleeding, filtration and the gas absorption structure that connect gradually.

The air extraction structure comprises an exhaust fan 1, the exhaust fan 1 is connected with an air extraction cover 12 through an air extraction pipe 11, and the air extraction cover 12 is connected with an ink quality inspection device to extract waste gas generated in the ink quality inspection process; the exhaust fan is connected with the filtering structure.

The filtering structure comprises a filtering cylinder 2, a filtering element 21 is arranged in the filtering cylinder 2, the filtering element 21 comprises two filtering layers 211, the two filtering layers 211 are filled with filtering materials 212, referring to fig. 2 and 3, the edge of the filtering element 21 is fixed by a fixing element 22, the fixing element 22 is fixedly connected to the inner wall of the filtering cylinder 2, the filtering layer 211 can be placed between the two fixing elements 22 in the fixing process, the two fixing elements 22 are fixed together by bolts, and then the filtering layer 211 can be fixed in the fixing element 22, of course, the filtering layer 211 can be fixed by other methods by those skilled in the art, and the description is omitted; the fixing member 22 may be two fixing plates, and the filter member 21 is clamped between the two fixing plates and fixed by bolts, of course, those skilled in the art may also arrange other forms of fixing members 22 according to actual situations; because the waste gas can have certain pressure when entering the filtering cylinder 2 through the exhaust fan 1, in order to prevent the situation that the filtering piece 21 can be unstable or rock under the effect of the waste gas pressure and shorten the service life of the filtering structure, the two sides of the fixing piece 22 of the utility model are also connected with the limiting blocks 23, the limiting blocks 23 are fixedly connected on the inner wall of the filtering cylinder 2, and the limiting blocks 23 are at least provided with four groups; because the waste gas that produces in the ink quality testing process is mainly volatile organic compounds, therefore, the main component of the filtering material 212 of the utility model is activated carbon, and most volatile organic compounds can be separated from the waste gas by the activated carbon; because filtering piece 21 is in long-time use, the filter effect of active carbon descends, therefore, the utility model discloses a back flush structure is still connected to filtration, back flush structure is including setting up back flush import 25 and back flush export 26 on filtering barrel 2, and back flush import 25, back flush export 26 and filtering barrel 2 advance, the export all is equipped with valve 24, when the filtering capacity of active carbon reaches the saturation, can close filtering barrel 2 and advance, the valve 24 of export, open back flush structure, carry out the back flush to filtering piece 21, make filtering piece 21's filtering capacity resume, and the discarded object that the back flush got off can be retrieved.

The gas absorption structure comprises a tank body 4, wherein an absorbent is filled in the tank body 4, and the absorbent can be any one or more of kerosene and diesel oil; the filtering structure is connected with an air inlet pipe 31 through an air pump 3, the air inlet pipe 31 is inserted into the bottom of the tank body 4, a plurality of air holes 311 are formed in the bottom of the air inlet pipe 31, and waste gas enters the tank body 4 through the air holes 311; if the ink waste gas treated by the filtering structure is not filtered completely, part of volatile organic compounds are remained and can be absorbed by the absorbent, and the volatile organic compounds can be dissolved in the absorbent, so that the ink waste gas can reach the degree of fine treatment after being filtered and absorbed; referring to fig. 4, in order to increase the contact area between the exhaust gas and the absorbent and improve the absorption effect, the bottom of the intake pipe 31 is preferably spiral.

Referring to fig. 5 and 6, the gas absorption structure further comprises an inner stirring shaft 41 inserted into the tank 4, the bottom of the inner stirring shaft 41 is connected with a first stirring paddle 411, the first stirring paddle 411 is disc-shaped, the diameter of the first stirring paddle 411 is 40-60 cm, and a plurality of paddle teeth 412 are further arranged around the first stirring paddle 411; the distance between the first stirring paddle 411 and the bottom of the tank 4 is one third of the height of the tank 4; the top of the inner stirring shaft 41 is connected with a driving motor 413 arranged on the motor support frame 414, and the driving motor 413 drives the inner stirring shaft 41 to rotate so as to drive the first stirring paddle 411 to rotate; the upper part of the inner stirring shaft 41 is fixedly sleeved with a first gear 415.

Referring to fig. 5 and 7, an outer stirring shaft 42 is sleeved outside the inner stirring shaft 41, and the outer stirring shaft 42 and the inner stirring shaft 41 rotate independently; the outer stirring shaft 42 is inserted into the tank body 4, the bottom of the outer stirring shaft 42 is connected with a second stirring paddle 423, 3-5 blades 424 are arranged on the second stirring paddle 423, the blade 424 has a downward inclination angle of 0-80 degrees relative to the radial cross section of the outer stirring shaft 42, and the inclined blade 424 generates a shearing force on the absorbent, so that a vortex is generated, the absorbent forms a longitudinal flow, the mixing uniformity degree of the waste gas and the absorbent is improved, and the waste gas absorption effect is improved; the second stirring paddle 423 is positioned at the upper part of the first stirring paddle 411, and the distance from the second stirring paddle 423 to the bottom of the tank 4 is two thirds of the height of the tank 4; the outer stirring shaft 42 is further connected with a first bearing 422, the first bearing 422 is fixed on the tank body 4 through a bearing seat, and a second gear 421 is further fixedly sleeved on the part of the outer stirring shaft 42 above the first bearing 422.

The tank body 4 is also connected with a rotating shaft 43 through a second bearing 431, and the upper part and the middle part of the rotating shaft 43 are fixedly sleeved with a third gear 432 and a fourth gear 433 respectively; the specifications of the third gear 432 and the first gear 415 are the same, the outer surfaces of the third gear 432 and the first gear 415 are sleeved with a gear ring 6, and the gear ring 6 is respectively meshed with the third gear 432 and the first gear 415; the fourth gear 433 is meshed with the second gear 421.

In the using process, the driving motor 413 rotates to drive the inner stirring shaft 41 to rotate, and the first gear 415 is fixedly sleeved outside the inner stirring shaft 41, so that the first gear 415 rotates along with the first gear; because the outer surfaces of the first gear 415 and the third gear 432 are sleeved with the gear ring 6, the third gear 432 and the gear ring 6 rotate in the same direction while the first gear 415 rotates; because the third gear 432 is fixedly sleeved on the rotating shaft 43 and the rotating shaft 43 is also fixedly sleeved with the fourth gear 433, the fourth gear 433 rotates in the same direction when the third gear 432 rotates; because the fourth gear 433 is meshed with the second gear 421, when the fourth gear 433 rotates, the second gear 421 rotates in a different direction, and the outer stirring shaft 42 sleeved with the second gear 421 also rotates in a different direction; as can be seen from the above, the inner stirring shaft 41 and the outer stirring shaft 42 can be driven to rotate in different directions by the single driving motor 413.

The second stirring paddle 423 on the outer stirring shaft 42 and the first stirring paddle 411 on the inner stirring shaft 41 stir in a different direction, after the second stirring paddle 423 enables the absorbent to flow longitudinally and generate a vortex, the first stirring paddle 411 stirs reversely, the vortex is reversed, the absorbent and the waste gas are kept in a high-efficiency uniform mixing state, and the waste gas treatment effect is improved.

Preferably, the third gear 432 and the fourth gear 433 have the same specification, and the gear ratio of the fourth gear 433 to the second gear 421 is 1:2, 1:3 or 1: 4; the rotating speed of the second stirring paddle 423 is higher than that of the first stirring paddle 411, the absorbent is firstly stirred in the middle of the tank body at high speed, and when reaching the lower part of the tank body, the absorbent is stirred reversely and the stirring speed is properly reduced, so that the uniform mixing effect of the absorbent and the waste gas can be improved; meanwhile, the energy of the motor can be saved. The utility model discloses through many times of experiments prove, when the drive ratio of fourth gear 433 and second gear 421 is 1:3, the mixed effect of absorbent is the best.

To sum up, the utility model discloses a set up the exhaust structure, filtration and the gas absorption structure that connect gradually, exhaust structure can take away the waste gas that produces in the ink quality testing process to carry the filtration, and filtration includes the filter piece that sets up in filtering the barrel, and the main component of filter piece is active carbon, and active carbon can separate volatile organic compounds from the waste gas, carries out preliminary treatment to the waste gas; gaseous absorption structure is including a jar body, and the absorbent is equipped with to the inside of jar body, and the absorbent can absorb remaining volatile organic compounds in the waste gas, reaches the degree of handling more meticulously, and gaseous absorption structure still includes outer (mixing) shaft and the interior (mixing) shaft that cup joints each other, and outer (mixing) shaft and the incorgruous stirring of interior (mixing) shaft, absorbent and waste gas can keep the efficient mixing state in jar body, improve waste gas absorption effect. To sum up, the beneficial effects of the utility model are that: the waste gas generated in the ink quality inspection process is subjected to two-stage treatment of filtration and adsorption, so that the harm of volatile organic compounds in the waste gas to the health of workers is reduced, and the pollution to the environment is also reduced.

Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.

Claims

1. The device for treating the waste gas generated in the ink production is characterized by comprising an air exhaust structure, wherein the air exhaust structure comprises an exhaust fan, the exhaust fan is connected with an air exhaust cover through an exhaust pipe, and the exhaust fan is connected with a filtering structure;

the filter structure comprises a filter cylinder, wherein a filter element is arranged in the filter cylinder and comprises two filter layers, and filter materials are filled in the two filter layers; the edge of the filter element is fixedly connected to the inner wall of the filter cylinder body through a fixing element; the filter structure is also connected with an air inlet pipe through an air pump, and the air inlet pipe is connected with the air absorption structure;

2. The apparatus for treating waste gas generated in ink production according to claim 1, wherein the filtering structure is further connected to a backwashing structure, the backwashing structure comprises a backwashing inlet and a backwashing outlet, and the backwashing inlet, the backwashing outlet, and the inlet and the outlet of the filtering cylinder are provided with valves.

3. The ink production waste gas treatment device according to claim 1, wherein a limiting block is further connected to two sides of the fixing member, and the limiting block is fixedly connected to the inner wall of the filter cylinder.

4. The ink production waste gas treatment device according to claim 3, wherein the stopper is provided with at least four groups.

5. The ink production off-gas treatment device according to claim 1, wherein a bottom portion of the intake pipe is spiral-shaped.

6. The waste gas treatment device for ink production according to claim 1, wherein the diameter of the first stirring paddle is 40-60 cm.

7. The ink production waste gas treatment device of claim 1, wherein the first stirring pitch is a distance of one third of the height of the tank from the bottom of the tank.

8. The ink production waste gas treatment device of claim 7, wherein the second stirring pitch is a distance of two thirds of the height of the tank from the bottom of the tank.

9. The waste gas treatment device for ink production according to claim 1, wherein the second stirring paddle is provided with 3 to 5 blades, and the blades have a downward inclination angle of 0 to 80 degrees with respect to a radial cross section of the outer stirring shaft.

10. The ink production off-gas treatment device according to claim 1, wherein the third gear and the fourth gear have the same specification, and a gear ratio of the fourth gear to the second gear is 1:2, 1:3, or 1: 4.