CN214182312U

CN214182312U - Printing equipment exhaust treatment system

Info

Publication number: CN214182312U
Application number: CN202023336124.7U
Authority: CN
Inventors: 陈如进
Original assignee: Zhejiang Maigao Craft & Gifts Co ltd
Current assignee: Zhejiang Mai Hi Tech Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-14
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a waste gas treatment system of printing equipment, which adopts the technical proposal that the waste gas treatment system comprises a plurality of air suction covers positioned above a printing table, the air suction covers are connected with a gas collecting pipe through a shunt pipe, one end of the gas collecting pipe is connected with an air guide pipe, a treatment pipeline is connected above the air guide pipe, an activated carbon adsorption filter is connected on the treatment pipeline, one end of the adsorption filter is connected with a fan, an exhaust pipe is connected on the fan, the lower end of the air guide pipe is connected with a dust collector, the lower end of the dust collector is connected with a treatment tank, a filtering component is arranged in the air guide pipe and comprises an upper positioning ring and a lower positioning ring which are fixed in the air guide pipe at the upper side and the lower side of the gas collecting pipe, a mounting ring is arranged between the upper positioning ring and the lower positioning ring, a filter screen is fixed at the inner side of the mounting ring, a lifting screw rod is rotatably connected between the upper positioning ring and the lower positioning ring, the lifting screw rod is positioned on one side far away from the gas collecting pipe and is connected with the rotary power part. The utility model discloses the adjustable function of being convenient for clearance in position with the filter screen.

Description

Printing equipment exhaust treatment system

Technical Field

The utility model relates to a printing exhaust emission handles technical field, concretely relates to lithography apparatus exhaust treatment system.

Background

In recent decades, the packaging and printing industry in China has been rapidly developed, the scale is continuously enlarged, and the technology is continuously updated, but the printing process of domestic plastic packaging still takes solvent type ink and solvent type complexing agent as main materials at present, and the ink and the complexing agent still use a large amount of organic solvent for dilution and blending in the using process except that the ink and the complexing agent contain organic volatile with higher proportion; the organic solvents need to be dried and volatilized in the printing or compounding process, and the volatilized gas can cause damage to the liver and nervous system of the human body and pollute the environment.

Patent of patent grant publication No. CN205149195U among the prior art has announced a lithography apparatus's exhaust system, it sucks away waste gas and dust on the printing workstation through the cover of breathing in through opening the fan, waste gas filters the dust through the filter screen and then filters in the active carbon adsorber, discharge from the exhaust chimney at last, and dust on the filter screen is sucked away and is discharged in sealed basin through the dust catcher, in order to prevent to discharge printing waste gas into sealed basin through the dust catcher, will close fan and the cover of breathing in usually, then clear up dust on the filter screen, but dust catcher and filter screen distance are far away, make the dust on the filter screen clear up incompletely, thereby lead to the frequency increase of clearing up the filter screen, the efficiency of printing waste gas discharge processing has been influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a lithography apparatus exhaust treatment system has the adjustable function of being convenient for of position of filter screen and clearing up.

In order to achieve the above purpose, the utility model provides a following technical scheme: a printing equipment waste gas treatment system comprises a plurality of air suction covers positioned above a printing table, the air suction covers are connected with a gas collecting pipe through a flow dividing pipe, one end of the gas collecting pipe is connected with an air guide pipe, a treatment pipeline is connected above the air guide pipe, an activated carbon adsorption filter is connected on the treatment pipeline, one end of the adsorption filter is connected with a fan, an exhaust pipe is connected on the fan, the lower end of the air guide pipe is connected with a dust collector, the lower end of the dust collector is connected with a treatment tank, a filter assembly is arranged in the air guide pipe and comprises an upper positioning ring and a lower positioning ring which are fixed in the air guide pipe on the upper side and the lower side of the gas collecting pipe, a mounting ring is arranged between the upper positioning ring and the lower positioning ring, a filter screen is fixed on the inner side of the mounting ring, a lifting screw rod is rotatably connected between the upper positioning ring and the lower positioning ring and is fixed with a lifting shaft, the lifting screw rod is positioned on one side far away from the gas collecting pipe, the lifting screw rod is connected with the rotary power piece.

By adopting the technical scheme, when the waste treatment system is used, the lifting screw rod is driven to rotate forwards by rotating the power piece, so that the mounting ring moves upwards to be abutted against the lower positioning ring, and waste gas can be filtered by the filter screen; when needs clearance filter screen, accessible rotary power spare drives the lifting screw rod reversal for the collar moves down to with lower holding ring butt, then closes the fan and starts the dust catcher and inhales the processing pond with the dust on the filter screen in, the filter screen after the lapse is close with the dust catcher distance, makes the dust catcher clean more with the clearance ground, thereby reduces the clearance number of times of filter screen, improves exhaust-gas treatment overall efficiency.

The utility model discloses further set up to: the gas collecting pipe is fixed with the installation shell on one side of the gas guide pipe away from the gas collecting pipe, the rotary power part comprises a driving gear fixed on a motor shaft of a lifting motor fixed in the installation shell, the upper end of a lifting screw penetrates through an upper positioning ring and is fixed with a transmission gear, and the transmission gear is meshed with the driving gear.

Through adopting above-mentioned technical scheme, elevator motor can drive the driving gear and rotate, then drives drive gear and rotates to drive the lifting screw and rotate, realize the regulation of position about collar and the filter screen.

The utility model discloses further set up to: go up the holding ring and inlay contact sensor and contact sensor down respectively with the relative one side of holding ring down, the outside of air duct is fixed with pilot lamp and lower pilot lamp, goes up the pilot lamp and is connected with last contact sensor electricity, and lower pilot lamp is connected with lower contact sensor electricity.

Through adopting above-mentioned technical scheme, when the collar and last holding ring butt, go up the contactor and trigger and can light the pilot lamp, when the collar and the holding ring butt down, the lower contactor is triggered and can lights down the pilot lamp, through the sign of last pilot lamp and lower pilot lamp for people can know collar position department, are convenient for adjust the position of collar and filter screen.

The utility model discloses further set up to: the inner wall of the air duct is fixed with a nozzle which is connected with a water supply device through a water pipe, and the side wall of the mounting ring is provided with a yielding groove corresponding to the position of the nozzle.

Through adopting above-mentioned technical scheme, when the collar moved down, the shower nozzle can make it be difficult for hindering the collar to remove through stepping down the groove, and when the collar and lower holding ring butt, the shower nozzle was located the upside of filter screen, and people can start water supply installation then rinse the filter screen through the shower nozzle for the filter screen can be cleared up cleaner.

The utility model discloses further set up to: the upper end of the mounting ring is fixed with a baffle plate which is close to the gas collecting pipe, and the upper positioning ring is provided with an auxiliary groove for the baffle plate to pass through.

Through adopting above-mentioned technical scheme, can drive the shielding plate in step when the collar moves down and move down, when collar and lower holding ring butt, the shielding plate shelters from the opening that the gas collecting pipe is close to the air duct for people wash that filter screen sewage is difficult for flowing into the cover of breathing in through the gas collecting pipe, avoid the cover of breathing in to open the phenomenon emergence that sewage drips the printing platform.

To sum up, the utility model discloses following beneficial effect has:

the lifting screw is driven to rotate through the lifting motor, the adjustment of the upper position and the lower position of the filter screen is realized, so that when people clean the filter screen through the dust collector, the filter screen can be moved downwards to be close to the dust collector, dust on the filter screen can be cleaned more cleanly, the cleaning times of the filter screen are reduced, and the overall efficiency of waste gas treatment is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

fig. 2 is a partial schematic view of the present embodiment.

Reference numerals: 1. a printing table; 2. an air intake cover; 3. a gas collecting pipe; 4. an air duct; 5. processing the pipeline; 6. a fan; 7. an exhaust pipe; 8. a filter assembly; 9. a vacuum cleaner; 41. mounting a shell; 42. an upper indicator light; 43. a lower indicator light; 51. an adsorption filter; 81. an upper positioning ring; 82. a lower positioning ring; 83. a mounting ring; 84. a filter screen; 85. a lifting shaft; 86. a lifting screw; 87. a lifting motor; 88. a spray head; 89. a water supply device; 811. an upper contact sensor; 812. an auxiliary groove; 821. a lower contact sensor; 831. a shielding plate; 861. a transmission gear; 871. a driving gear; 91. and (4) a treatment pool.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses lithography apparatus exhaust treatment system, as shown in fig. 1-2, including a plurality of suction hoods 2 that are located printing table 1 top, suction hood 2 passes through the shunt tubes and is connected with gas collecting pipe 3, one end at gas collecting pipe 3 is connected with air duct 4, air duct 4 top is connected with treatment tube 5, be connected with activated carbon adsorption filter 51 on the treatment tube 5, adsorption filter 51 one end is connected with fan 6, be connected with blast pipe 7 on the fan 6, be equipped with filtering component 8 in the air duct 4, lower extreme at air duct 4 is connected with dust catcher 9, the lower extreme of dust catcher 9 is connected with and handles pond 91.

The filtering assembly 8 comprises an upper positioning ring 81 and a lower positioning ring 82 which are fixed in the air guide tube 4 at the upper side and the lower side of the air collecting tube 3, a mounting ring 83 is arranged between the upper positioning ring 81 and the lower positioning ring 82, and a filter screen 84 is fixed at the inner side of the mounting ring 83. A lifting shaft 85 and a lifting screw 86 are arranged between the upper positioning ring 81 and the lower positioning ring 82, the lifting screw 86 is positioned at one side far away from the gas collecting tube 3, the upper end and the lower end of the lifting screw 86 are rotatably connected with the mounting ring 83, the upper end of the lifting screw passes through the upper mounting ring 83 and is fixedly provided with a transmission gear 861, a mounting shell 41 is fixedly arranged at one side of the gas guide tube 4 far away from the gas collecting tube 3, a lifting motor 87 is fixedly arranged in the mounting shell 41, a motor shaft of the lifting motor 87 is fixedly provided with a driving gear 871, and the driving gear 871 is meshed with the transmission gear 861. An upper contact sensor 811 and a lower contact sensor 821 are respectively embedded on the opposite sides of the upper positioning ring 81 and the lower positioning ring 82, an upper indicator light 42 and a lower indicator light 43 are fixed on the outer side of the air guide tube 4, the upper indicator light 42 is electrically connected with the upper contact sensor 811, and the lower indicator light 43 is electrically connected with the lower contact sensor 821.

When the system works normally, the mounting ring 83 is abutted with the upper positioning ring, so that waste gas can enter the activated carbon adsorption filter 51 after being filtered by the filter screen 84, and the waste gas is conveniently cleaned deeply; when the filter screen 84 needs to be cleaned, the fan 6 can be turned off, then the lifting motor 87 is started, the driving gear 861 is driven to rotate by the driving gear 871, and the lifting screw 86 is driven to rotate, so that the mounting ring 83 and the filter screen 84 move downwards, when the mounting ring 83 moves downwards to abut against the lower mounting ring 83, the lower contact sensor 821 is triggered to light the lower indicator lamp 43, at the moment, the lifting motor 87 is turned off, the dust on the filter screen 84 can be sucked into the processing pool 91, and the filter screen 84 moves downwards to be closer to the dust collector 9, so that the dust on the filter screen 84 is convenient to be processed cleanly, the frequency of cleaning the filter screen 84 can be reduced, the overall efficiency of waste gas treatment is improved, after the filter screen 84 is cleaned, the lifting motor 87 can be started to drive the lifting screw 86 to turn over until the mounting ring 83 abuts against the upper positioning ring and triggers the upper contact sensor 811, facilitating the subsequent filtration of the waste gas by people.

A spray head 88 is fixed on the inner wall of the air duct 4, the spray head 88 is connected with a water supply device 89 through a water pipe, a yielding groove corresponding to the position of the spray head 88 is arranged on the side wall of the mounting ring 83, a shielding plate 831 is fixed at the upper end of the mounting ring 83, the shielding plate 831 is close to the air collecting pipe 3, and an auxiliary groove 812 for the shielding plate 831 to pass through is arranged on the upper positioning ring 81.

In-process that drives collar 83 through elevator motor 87 and move down, can drive shielding plate 831 simultaneously and move down, when collar 83 and lower holding ring 82 butt, shielding plate 831 shelters from the opening that the discharge 3 is close to air duct 4, shower nozzle 88 is located the upside of collar 83 this moment, people can start water supply installation 89, wash filter screen 84 through shower nozzle 88, sewage after the washing can discharge into treatment tank 91 through dust catcher 9, thereby further cloth improves the clearance effect to filter screen 84, and make sewage difficult for flowing into suction hood 2 through discharge 3, avoid suction hood 2 to open the phenomenon emergence that sewage drips printing platform 1.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a lithography apparatus exhaust-gas treatment system, including a plurality of suction hood (2) that are located printing platform (1) top, suction hood (2) are connected with discharge tube (3) through the shunt tubes, the one end of discharge tube (3) is connected with air duct (4), air duct (4) top is connected with treatment tube (5), be connected with activated carbon adsorption filter (51) on treatment tube (5), adsorption filter (51) one end is connected with fan (6), be connected with blast pipe (7) on fan (6), lower extreme at air duct (4) is connected with dust catcher (9), the lower extreme of dust catcher (9) is connected with and handles pond (91), its characterized in that: be equipped with filtering component (8) in air duct (4), filtering component (8) are equipped with between last holding ring (81) and lower holding ring (82) including fixing in air duct (4) of both sides about gas collecting tube (3), go up holding ring (81) and be equipped with between holding ring (82) collar (83) down, and the inboard of mounting ring (83) is fixed with filter screen (84), go up holding ring (81) and be fixed with lift axle (85) between holding ring (82) down and rotate between holding ring (81), lift screw (86) are located the one side of keeping away from gas collecting tube (3), lift screw (86) are connected with rotatory power spare.

2. A printing apparatus exhaust treatment system according to claim 1, wherein: the gas-guide tube (4) is kept away from one side of gas collecting tube (3) and is fixed with installation shell (41), rotatory power spare is fixed with driving gear (871) including lifting motor (87) in installation shell (41) fixed in the motor shaft of lifting motor (87), lifting screw (86) upper end is passed upper holding ring (81) and is fixed with drive gear (861), drive gear (861) and driving gear (871) meshing.

3. A printing apparatus exhaust treatment system according to claim 2, wherein: go up holding ring (81) and lower holding ring (82) relative one side and inlayed respectively and go up contact sensor (811) and contact sensor (821) down, the outside of air duct (4) is fixed with pilot lamp (42) and lower pilot lamp (43), goes up pilot lamp (42) and last contact sensor (811) electricity and is connected, and lower pilot lamp (43) are connected with lower contact sensor (821) electricity.

4. A printing apparatus exhaust treatment system according to claim 3, wherein: be fixed with shower nozzle (88) on the inner wall of air duct (4), shower nozzle (88) are connected with water supply installation (89) through the water pipe, are equipped with the groove of stepping down that corresponds with shower nozzle (88) position on the lateral wall of collar (83).

5. The printing apparatus exhaust gas treatment system according to claim 4, wherein: a shielding plate (831) is fixed at the upper end of the mounting ring (83), the shielding plate (831) is close to the gas collecting pipe (3), and an auxiliary groove (812) for the shielding plate (831) to penetrate through is formed in the upper positioning ring (81).