CN213433860U

CN213433860U - Printing machine set ink waste gas collection device

Info

Publication number: CN213433860U
Application number: CN202022320565.1U
Authority: CN
Inventors: 余业超
Original assignee: Shenzhen Yiyuan Printing Co ltd
Current assignee: Shenzhen Yiyuan Printing Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-06-15
Anticipated expiration: 2030-10-16

Abstract

The application relates to a printing unit china ink waste gas collection device, it includes: the device comprises an exhaust pipeline, a spraying mechanism, a photodecomposition piece and a suction piece, wherein one end of the exhaust pipeline extends to the upper part of the printing unit, and the other end of the exhaust pipeline is communicated with the outside; the spraying mechanism is arranged on the exhaust pipeline and is used for spraying and pretreating the printing ink waste gas passing through the exhaust pipeline; the optical decomposition piece is also arranged on the exhaust pipeline and is used for carrying out optical decomposition retreatment on the printing ink waste gas after the pretreatment of the spraying mechanism; the suction member is provided on the exhaust duct, and the suction member is used for guiding the ink off-gas into the exhaust duct. This application has can purify printing ink waste gas for printing ink waste gas after the processing discharges to the external world and the effect of difficult polluted environment.

Description

Printing machine set ink waste gas collection device

Technical Field

The application relates to the field of exhaust-gas treatment, especially, relate to a printing press group china ink waste gas collection device.

Background

During the operation of the printing machine, the ink on the printing machine generates relatively unpleasant ink exhaust gas, the ink exhaust gas comprises organic volatile matters caused by the ink, the organic volatile matters can form a greenhouse effect more serious than carbon dioxide, and the organic volatile matters can form oxide and photochemical smog under the irradiation of sunlight, so that the atmospheric environment is seriously polluted, and the health of people is influenced.

In the related technology, an exhaust device is arranged at the top of a workshop where a printing machine is located, the exhaust device comprises a ventilation pipe and an exhaust fan, one end of the ventilation pipe extends to the space above the printing machine, and the other end of the ventilation pipe is communicated with the outside; the exhaust fan is fixedly installed on the ventilation pipe, and the exhaust fan is used for generating air flow flowing to the outside inside the ventilation pipe, so that residual printing ink waste gas in the space above the printing machine can be discharged to the outside as far as possible through the ventilation pipe, and the harm of the printing ink waste gas to workers in a printing workshop is reduced.

In view of the above-mentioned related art, the inventors consider that there is a drawback that the direct discharge of the ink off-gas to the outside in this manner is liable to cause environmental pollution.

SUMMERY OF THE UTILITY MODEL

In order to be able to discharge the printing ink waste gas into the environment after being treated, the application provides a printing press group printing ink waste gas collection device.

The application provides a printing unit china ink waste gas collection device adopts following technical scheme:

a printing press set ink waste gas collection device comprising: the device comprises an exhaust pipeline, a spraying mechanism, a photodecomposition piece and a suction piece, wherein one end of the exhaust pipeline extends to the upper part of the printing unit, and the other end of the exhaust pipeline is communicated with the outside; the spraying mechanism is arranged on the exhaust pipeline and is used for spraying and pretreating the printing ink waste gas passing through the exhaust pipeline; the optical decomposition piece is also arranged on the exhaust pipeline and is used for carrying out optical decomposition retreatment on the printing ink waste gas pretreated by the spraying mechanism; the suction piece is arranged on the exhaust pipeline and used for guiding the ink waste gas into the exhaust pipeline.

Through adopting above-mentioned technical scheme, the suction piece leads the printing ink waste gas that the printing unit produced to the exhaust duct in, printing ink waste gas at first gets into through the exhaust duct and sprays in the mechanism after that, it can spray the preliminary treatment to printing ink waste gas to spray the mechanism, make partial harmful gas in the printing ink waste gas dissolve in the liquid that sprays out and get rid of, then in the printing ink waste gas reentrant photodecomposition piece that sprays, then photodecomposition piece carries out the photolysis to printing ink waste gas again, the content of harmful gas in the printing ink waste gas has significantly reduced, gas after the photolysis is discharged to the external environment back this moment, harmful effects to the environment is greatly reduced also.

Preferably, the exhaust pipeline comprises a first exhaust pipeline, a second exhaust pipeline and a third exhaust pipeline, one end of the first exhaust pipeline is communicated with the spraying mechanism, and the other end of the first exhaust pipeline extends to the upper part of the printing unit; the second exhaust pipeline is arranged between the spraying mechanism and the photodecomposition piece, and two ends of the second exhaust pipeline are respectively communicated with the spraying mechanism and the photodecomposition piece; one end of the third exhaust pipeline is communicated with the photodecomposition piece, and the other end of the third exhaust pipeline is communicated with the outside; the suction piece is arranged on the second exhaust pipeline.

Through adopting above-mentioned technical scheme, because of the suction piece setting on second exhaust duct for printing ink waste gas is difficult for piling up in spraying the mechanism, thereby makes printing ink waste gas can smoothly get into the photodecomposition piece after spraying mechanism's preliminary treatment, helps promoting printing ink waste gas's purification efficiency.

Preferably, the suction piece comprises a driving piece and fan blades, the driving piece is fixedly arranged on the inner wall of the second exhaust pipeline, and the driving piece is used for enabling the fan blades to rotate around the center lines of the fan blades; the fan blades are fixedly arranged on an output shaft of the driving part.

Through adopting above-mentioned technical scheme, the driving piece can drive the output shaft and rotate for the flabellum rotates around the axis of driving piece output shaft, and the flabellum in the rotation can be with printing ink waste gas from spraying mechanism guide to photolysis piece department, makes printing ink waste gas can get into photolysis piece retreatment more fast, thereby reaches the purpose of quick purification printing ink waste gas.

Preferably, the spraying mechanism includes: the spray head is arranged on the lower part of the spray head, and the spray head is arranged on the lower part of the spray head; the spray head is fixedly arranged on the top wall in the box body and is used for spraying water mist to the interior of the box body, and the spray head is communicated with the outside through an external water pipe; one end of the drainage pipeline is communicated with the bottom of the box body, and the other end of the drainage pipeline is communicated with the outside.

Through adopting above-mentioned technical scheme, when printing ink waste gas gets into when spraying the mechanism, the shower head can spray water smoke to the box inside, this moment under the effect of suction piece, printing ink waste gas contacts with water smoke with ascending mode against the current, make partial gas in the printing ink waste gas dissolved in the water smoke taken away, thereby reach the purpose of spraying the preliminary treatment to printing ink waste gas, and the water smoke that the shower head sprayed is at last followed drainage pipe and is discharged the box, make difficult water accumulation in the box, help spraying the continuation of work going on, and the water in the box is difficult for flowing backwards first exhaust duct and spill on the printing unit, thereby not fragile printing machine.

Preferably, the box body comprises an upper column part and a lower cone part, and the column part is vertically arranged; the end with larger cone section area is communicated with the lower end of the column part, and the end with smaller cone section area is communicated with the drainage pipeline.

By adopting the technical scheme, water sprayed by the spray heads can quickly enter the drainage pipeline after falling to the bottom of the box body, so that water is not easy to accumulate in the box body, and the water in the box body is not easy to flow back to the first exhaust pipeline.

Preferably, the drainage pipeline is extended in an S shape.

By adopting the technical scheme, after water sprayed by the spray heads enters the drainage pipeline, part of water is always easy to remain at the bent part of the drainage pipeline, and the remained part of water can prevent ink waste gas from leaking out of the drainage pipeline, so that the internal environment of a workshop is not easily polluted.

Preferably, a gas-collecting hood is further arranged at one end of the first exhaust pipeline, which is far away from the spraying mechanism, and the cross-sectional area of one end, communicated with the first exhaust pipeline, of the gas-collecting hood is smaller than that of one end, far away from the first exhaust pipeline, of the gas-collecting hood.

Through adopting above-mentioned technical scheme, the setting of gas collecting channel has increased exhaust duct's gas collection area for during printing ink waste gas that the printing unit produced gets into exhaust duct more easily, thereby make the environment in workshop can be cleaner, help the healthy of staff in the protection workshop.

Preferably, the third exhaust duct is further provided with a pressurizing member for increasing the flow rate of the gas in the third exhaust duct.

Through adopting above-mentioned technical scheme, the printing ink waste gas after the photolysis piece is handled can be discharged outside the workshop from third exhaust duct more fast, also can make the photolysis piece discharge the printing ink waste gas after reprocessing more smoothly to the third exhaust duct in simultaneously to help promoting the purification efficiency of printing ink waste gas.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the exhaust pipeline, the spraying mechanism, the photodecomposition component and the suction component, the printing ink waste gas generated by the printing unit is discharged into the external environment after being pretreated and reprocessed, so that the external environment is not easily polluted;

2. through the arrangement of the gas collecting hood, printing ink waste gas generated by the printing unit can enter the exhaust pipeline more easily, so that the environment in a workshop can be cleaner;

3. through the setting of pressure components for the printing ink waste gas after the photolysis piece is handled can discharge outside the workshop more fast, then the photolysis piece can smoothly discharge the printing ink waste gas after self is handled to the third exhaust duct in, thereby help promoting printing ink waste gas's purification efficiency.

Drawings

FIG. 1 is a perspective view of an ink waste gas collecting device of a printing unit according to an embodiment of the present application.

Fig. 2 is a sectional structural view of the shower mechanism.

Fig. 3 is an internal structural view of the second exhaust duct.

Description of reference numerals: 1. an exhaust duct; 11. a first exhaust duct; 12. a second exhaust conduit; 13. a third exhaust conduit; 2. a spraying mechanism; 21. a box body; 22. a shower head; 23. a water discharge pipeline; 3. a photodecomposition member; 4. a suction member; 41. a drive member; 42. a fan blade; 5. is externally connected with a water pipe; 6. a gas-collecting hood; 7. a pressing member.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses printing unit china ink waste gas collection device. Referring to fig. 1, the printing press unit ink off-gas collecting apparatus includes: the device comprises an exhaust pipeline 1, a spraying mechanism 2, a photodecomposition piece 3, a suction piece 4 and a gas-collecting hood 6, wherein the gas-collecting hood 6 is fixed on a ceiling above a printing unit in a lifting rope hoisting mode; one end of the exhaust pipeline 1 extends to the upper part of the printing unit, and the other end is communicated with the outside; the spraying mechanism 2 is arranged on the exhaust pipeline 1, and the spraying mechanism 2 is used for pretreating printing ink waste gas; the photodecomposition piece 3 is arranged on the exhaust pipeline 1, and the photodecomposition piece 3 is used for retreating the printing ink waste gas pretreated by the spraying mechanism 2; the suction member 4 is disposed on the exhaust duct 1 between the spray mechanism 2 and the photodecomposition member 3, and the suction member 4 is used for sucking the ink off-gas into the exhaust duct 1.

Referring to fig. 1, suction member 4 guides printing ink waste gas that the printing unit produced to exhaust duct 1 in, then printing ink waste gas passes through exhaust duct 1 and firstly gets into and sprays in mechanism 2, it can carry out the preliminary treatment to spray mechanism 2 to spray the printing ink, then printing ink waste gas reentries in photodecomposition piece 3, then photodecomposition piece 3 can decompose printing ink waste gas into some harmless substances, exhaust duct 1 discharges these harmless substances to the external environment again at last, compare in directly discharging printing ink waste gas to the external world, this kind of design, printing ink waste gas then can be handled and discharge to the external world after cleaner, thereby be difficult for polluting the external environment.

Referring to fig. 1, the gas collecting channel 6 is the quadrangular frustum pyramid shape and is stainless steel material, and the cross sectional area of the gas collecting channel 6 near the end of the exhaust pipeline 1 is smaller than the cross sectional area of the gas collecting channel 6 far away from the end of the exhaust pipeline 1, so that the gas collecting channel 6 can make the printing ink waste gas generated by the printing unit enter the exhaust pipeline 1 more easily, thereby making the environment in the workshop cleaner and helping to protect the workers in the workshop.

Referring to fig. 1, the exhaust pipeline 1 comprises a first exhaust pipeline 11, a second exhaust pipeline 12 and a third exhaust pipeline 13, the first exhaust pipeline 11, the second exhaust pipeline 12 and the third exhaust pipeline 13 are all round pipes made of stainless steel, the first exhaust pipeline 11 is arranged between the gas collecting hood 6 and the spraying mechanism 2, one end of the first exhaust pipeline 11 is communicated with one end of the gas collecting hood 6 with a smaller cross-sectional area, and the other end of the first exhaust pipeline 11 is communicated with the spraying mechanism 2; the second exhaust pipeline 12 is arranged between the spraying mechanism 2 and the photodecomposition piece 3, and two ends of the second exhaust pipeline 12 are respectively communicated with the spraying mechanism 2 and the photodecomposition piece 3; the third exhaust duct 13 has one end communicating with the photodecomposition member 3 and the other end communicating with the outside, thereby exhausting the gas decomposed by the photodecomposition member 3 to the outside.

Referring to fig. 1 and 2, the shower mechanism 2 includes: the device comprises a box body 21, a spray header 22 and a drainage pipeline 23, wherein the box body 21 is made of stainless steel, and the box body 21 comprises a cylindrical part positioned above and a conical part positioned below; the cylindrical part is vertically arranged, a first exhaust pipeline 11 and a second exhaust pipeline 12 are communicated with the circumferential side surface of the cylindrical part, and the communication position of the cylindrical part and the first exhaust pipeline 11 is positioned below the communication position of the cylindrical part and the second exhaust pipeline 12; the end with larger cross-sectional area of the conical part is connected with the bottom of the cylindrical part, and the end with smaller cross-sectional area of the conical part is communicated with a drainage pipeline 23; the spray head 22 is in threaded connection with the top end of the inner wall of the cylindrical part of the box body 21, the spray head 22 is used for spraying water mist into the box body 21, and the spray head 22 is communicated with the outside through an external water pipe 5.

Referring to fig. 1 and 2, the drainage pipeline 23 is a stainless steel circular pipe, one end of the drainage pipeline 23 is communicated with the smaller end of the conical section of the box body 21, and the other end of the drainage pipeline is communicated with the outside, so that water is not easy to accumulate in the box body 21, in addition, the drainage pipeline 23 is arranged in an S-shaped extending manner, water is reserved at the upward position of the bent part of the drainage pipeline 23, and the residual water energy enables ink waste gas to be difficult to leak out from the drainage pipeline 23, so that the environment in a workshop is not easy to be polluted.

Referring to fig. 1 and 2, when the ink waste gas enters the spraying mechanism 2, the spraying head 22 sprays water mist into the tank 21, at this time, under the action of the suction member 4, the ink waste gas contacts and transfers mass with the water mist in a countercurrent upward manner, so that part of gas in the ink waste gas is dissolved in the water mist and taken away, thereby achieving the purpose of pretreating the ink waste gas, and the water mist sprayed by the spraying head 22 is finally discharged out of the tank 21 from the water discharge pipe 23.

Referring to fig. 1 and 3, the suction member 4 is disposed on the second exhaust duct 12, the suction member 4 includes a driving member 41 and fan blades 42, the fan blades 42 are welded to the output shaft of the driving member 41, the driving member 41 is fixed on the inner wall of the second exhaust duct 12 by bolts, in this embodiment, the driving member 41 is a motor, the driving member 41 can drive the output shaft to rotate, so that the fan blades 42 can rotate around the axis of the output shaft of the driving member 41, and the rotating fan blades 42 can guide the ink waste gas from the spraying mechanism 2 to the optical decomposition member 3, so that the ink waste gas can enter the optical decomposition member 3 for reprocessing more quickly, thereby improving the efficiency of purifying the ink waste gas.

Referring to fig. 1, the photodecomposition member 3 is a UV photo-oxygen catalytic device, and after the ink waste gas treated by the spraying mechanism 2 enters the photodecomposition member 3, the photodecomposition member 3 can decompose the ink waste gas into harmless substances, and then the harmless substances are discharged into a third exhaust pipeline 13 and finally discharged outside the workshop through the third exhaust pipeline 13.

Referring to fig. 1, third exhaust duct 13 is kept away from photolysis piece 3 one end and still is linked together with pressure (pressing) member 7, and pressure (pressing) member 7 is centrifugal fan, and pressure (pressing) member 7 can make the printing ink waste gas after photolysis piece 3 handles arrange outside the workshop more fast to make photolysis piece 3 can discharge the printing ink waste gas after the reprocessing to third exhaust duct 13 more smoothly, and then help promoting photolysis piece 3 and purify the efficiency of printing ink waste gas.

The implementation principle of the printing press unit ink waste gas collection device in the embodiment of the application is as follows: when the ink waste gas of the printing unit needs to be collected, the suction member 4 can be started to suck the ink waste gas above the printing machine into the first exhaust pipeline 11, then the ink waste gas flows into the spraying mechanism 2 along the first exhaust pipeline 11, at the moment, the spraying head 22 sprays water mist into the box body 21, the ink waste gas can contact with the water mist in a countercurrent upward mode, so that part of harmful gas in the ink waste gas is mixed with the water mist, then the pre-treated ink waste gas is sprayed and enters the photodecomposition member 3 through the second exhaust pipeline 12, the photodecomposition member 3 can decompose the ink waste gas into some harmless gas substances and discharge the substances into the third exhaust pipeline 13, and finally the pressurizing member 7 is started to discharge the ink waste gas treated by the photodecomposition member 3 to the outside of the workshop, in the design mode, the ink waste gas is treated, so that the ink waste gas is discharged into the outside environment, is not easy to have harmful effect on the external environment.

Claims

1. A printing press unit ink waste gas collection device, comprising: the device comprises an exhaust pipeline (1), a spraying mechanism (2), a photodecomposition piece (3) and a suction piece (4), wherein one end of the exhaust pipeline (1) extends to the upper part of the printing unit, and the other end of the exhaust pipeline is communicated with the outside; the spraying mechanism (2) is arranged on the exhaust pipeline (1), and the spraying mechanism (2) is used for spraying and pretreating the printing ink waste gas passing through the exhaust pipeline (1); the photodecomposition piece (3) is also arranged on the exhaust pipeline (1), and the photodecomposition piece (3) is used for performing photodecomposition retreatment on the printing ink waste gas pretreated by the spraying mechanism (2); the suction piece (4) is arranged on the exhaust pipeline (1), and the suction piece (4) is used for guiding the ink waste gas into the exhaust pipeline (1).

2. Printing unit ink waste gas collection device according to claim 1, characterised in that the exhaust duct (1): the printing machine comprises a first exhaust pipeline (11), a second exhaust pipeline (12) and a third exhaust pipeline (13), wherein one end of the first exhaust pipeline (11) is communicated with the spraying mechanism (2), and the other end of the first exhaust pipeline extends to the upper part of a printing unit; the second exhaust pipeline (12) is arranged between the spraying mechanism (2) and the photodecomposition piece (3), and two ends of the second exhaust pipeline (12) are respectively communicated with the spraying mechanism (2) and the photodecomposition piece (3); one end of the third exhaust pipeline (13) is communicated with the photodecomposition piece (3), and the other end of the third exhaust pipeline is communicated with the outside; the suction piece (4) is arranged on the second exhaust duct (12).

3. The printing press set ink waste gas collection device of claim 2, wherein: the suction piece (4) comprises a driving piece (41) and fan blades (42), the driving piece (41) is fixedly arranged on the inner wall of the second exhaust pipeline (12), and the driving piece (41) is used for enabling the fan blades (42) to rotate around the center line of the driving piece (41); the fan blades (42) are fixedly arranged on an output shaft of the driving part (41).

4. The printing press set ink waste gas collection device of claim 3, wherein: the spraying mechanism (2) comprises: the device comprises a box body (21), a spray header (22) and a drainage pipeline (23), wherein one end of the box body (21) is communicated with a second exhaust pipeline (12), the other end of the box body is communicated with a first exhaust pipeline (11), and the communication between the box body (21) and the second exhaust pipeline (12) is positioned above the communication position of the box body (21) and the first exhaust pipeline (11); the spray header (22) is fixedly arranged on the top wall inside the box body (21), the spray header (22) is used for spraying water mist to the inside of the box body (21), and the spray header (22) is communicated with the outside through an external water pipe (5); one end of the drainage pipeline (23) is communicated with the bottom of the box body (21), and the other end is communicated with the outside.

5. The printing press set ink waste gas collection device of claim 4, wherein: the box body (21) comprises an upper column part and a lower cone part, and the column part is vertically arranged; the end with larger cone section area is communicated with the lower end of the column part, and the end with smaller cone section area is communicated with a drainage pipeline (23).

6. The printing press set ink waste gas collection device of claim 5, wherein: the drainage pipeline (23) is arranged in an S-shaped extending mode.

7. The printing press set ink waste gas collection device of claim 2, wherein: the end of the first exhaust pipeline (11) far away from the spraying mechanism (2) is also provided with a gas collecting hood (6), and the cross-sectional area of the end, communicated with the first exhaust pipeline (11), of the gas collecting hood (6) is smaller than the cross-sectional area of the end, far away from the first exhaust pipeline (11), of the gas collecting hood (6).

8. The printing press set ink waste gas collection device of claim 2, wherein: and a pressurizing piece (7) used for increasing the flow rate of gas in the third exhaust pipeline (13) is also arranged on the third exhaust pipeline (13).