CN215692965U

CN215692965U - Printing exhaust treatment device

Info

Publication number: CN215692965U
Application number: CN202121823714.4U
Authority: CN
Inventors: 陈杰
Original assignee: Shanghai Heyu Printing Co ltd
Current assignee: Shanghai Heyu Printing Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-02-01
Anticipated expiration: 2031-08-05

Abstract

The utility model relates to a lithography apparatus's field, concretely relates to printing exhaust treatment device, the load simulator comprises a case, the machine case is by the roof, one side open-ended box structure that bottom plate and fixed connection formed in the three curb plate concatenation of roof and bottom plate, the opening side of machine case is provided with sealing door, machine case one end is provided with the intake pipe, the other end is provided with the blast pipe, the machine incasement has set gradually the heating chamber by intake pipe end to blast pipe end, ultraviolet ray sterilizing chamber, plasma sterilizing chamber and active carbon filter chamber, ultraviolet ray sterilizing chamber and plasma sterilizing chamber, all be provided with netted baffle between plasma sterilizing chamber and the active carbon filter chamber, be provided with the baffle between heating chamber and the ultraviolet ray sterilizing chamber, the baffle upper end is provided with the reticular lamina that supplies the waste gas circulation. This application has the purifying effect who improves printing waste gas.

Description

Printing exhaust treatment device

Technical Field

The application relates to the field of printing equipment, in particular to a printing waste gas treatment device.

Background

The printing waste gas mainly refers to volatile organic compounds, inorganic substances, hydrogen sulfide, ammonia gas, thiols, malodorous gas and other main pollutants generated in the production process of the printing industry. The printing waste gas has complex components, heavy peculiar smell, flammability and explosiveness, and the waste gas discharged without treatment seriously affects the quality of the surrounding environment.

In the related art, the exhaust gas treatment device includes a housing and an activated carbon purification filter to achieve the purpose of purification by adsorbing exhaust gas through activated carbon. But the degradation efficiency of the waste gas is low, and if the waste gas is not purified completely, the discharged waste gas can hardly reach the national emission standard.

SUMMERY OF THE UTILITY MODEL

In order to improve the purifying effect of printing waste gas, this application provides a printing waste gas treatment device.

The application provides a printing exhaust treatment device adopts following technical scheme:

the utility model provides a printing exhaust treatment device, includes the quick-witted case, the quick-witted case is the one side open-ended box structure that forms by roof, bottom plate and the three curb plate concatenation of fixed connection in roof and bottom plate, the opening side of machine case is provided with sealing door, machine case one end is provided with the intake pipe, and the other end is provided with the blast pipe, heating chamber, ultraviolet ray retort room, plasma retort room and active carbon filter chamber have been set gradually by intake pipe end to blast pipe end in the machine case, all be provided with netted baffle between ultraviolet ray retort room and plasma retort room, plasma retort room and the active carbon filter chamber, be provided with the baffle between heating chamber and the ultraviolet ray retort room, the baffle upper end is provided with the reticular lamina that supplies the waste gas circulation.

Through adopting above-mentioned technical scheme, the usable high smelly ultraviolet ray beam decomposition oxygen molecule in the air of ultraviolet sterilizing chamber's setting produces free oxygen to produce ozone, ozone have extremely strong oxidation to the organic matter, all have obvious clearance effect to foul gas and other waste gases. The ultraviolet lamp tube can be attached and polluted by colloid particles in the waste gas after the waste gas is treated for a long time, the waste gas can be heated by the heating chamber, the temperature of the waste gas is improved, and then the temperature of colloid contained in the waste gas is improved, so that the colloid generates a coagulation phenomenon, the waste gas can be prevented from being attached to the surface of an ultraviolet lamp when passing through the ultraviolet chamber, the attachment amount of the waste gas on the ultraviolet lamp tube is reduced, and the waste gas purifying capacity of the ultraviolet chamber is improved. The plasma sterilizing chamber decomposes waste gas molecules by using high-energy electrons and ions generated in high-voltage discharge at normal temperature, the high-energy electrons decompose oxygen molecules into two oxygen atoms and combine the oxygen atoms with the oxygen molecules to form ozone again, and the water molecules are decomposed into hydroxyl radicals after the high-voltage discharge, so that the plasma sterilizing chamber has a strong oxidizing effect on organic pollutants. The active filter chamber can absorb the residual organic pollutants in the gas after filtering and purifying, thereby achieving higher purifying effect. The netted baffle plate arranged among the heating chamber, the ultraviolet sterilizing chamber, the plasma sterilizing chamber and the active carbon filtering chamber is convenient for the circulation of waste gas. The heating chamber, the ultraviolet sterilizing chamber, the plasma sterilizing chamber and the activated carbon filtering chamber improve the degradation efficiency of the printing waste gas and the purification effect of the printing waste gas.

The application is further configured to: be provided with first hot plate, second hot plate, third hot plate and fourth hot plate in the heating chamber, first hot plate, second hot plate, third hot plate and fourth hot plate all are short in the curb plate, first hot plate and third hot plate fixed connection are in the bottom plate lower surface, second hot plate and fourth hot plate are fixed in the roof upper surface, form the passageway that supplies the circuitous flow of waste gas between first hot plate, second hot plate, third hot plate and the fourth hot plate.

Through adopting above-mentioned technical scheme, including the setting of first hot plate, second hot plate, third hot plate and fourth hot plate in the heating chamber, make waste gas circuitous in the heating chamber, fully make waste gas produce and gather the heavy phenomenon, prevent that the colloidal particle in the waste gas from adhering on ultraviolet tube, prolong ultraviolet tube life relatively, improved the degradation effect of printing waste gas.

The application is further configured to: the ultraviolet sterilizing chamber is internally provided with a plurality of ultraviolet lamp tubes on the lower surface of the top plate and the upper surface of the bottom plate, and the ultraviolet sterilizing chamber is internally provided with a photocatalyst plate parallel to the top plate and detachably arranged between the reticular baffle plate and the baffle plate.

By adopting the technical scheme, the ultraviolet lamp tube has obvious degradation effect on malodorous gas and other waste gases, and the photocatalyst plate arranged in the ultraviolet sterilizing chamber can oxidize organic matters and peculiar smell molecules in the waste gases into harmless substances such as carbon dioxide and the like.

The application is further configured to: and a plasma purifier is arranged in the plasma sterilizing chamber, and a plasma purifier limiting groove for fixing the plasma purifier is arranged on the upper surface of the bottom plate.

By adopting the technical scheme, the plasma purifier can decompose exhaust gas molecules and combine with ozone, and water molecules are decomposed into hydroxyl free radicals after high-voltage discharge, so that the plasma purifier has a strong oxidative degradation effect on organic pollutants. The plasma purifier limiting groove arranged on the bottom plate enables the plasma purifier to be more stable in the plasma sterilizing chamber.

The application is further configured to: an activated carbon filter screen is arranged in the activated carbon filter chamber.

Through adopting above-mentioned technical scheme, the active carbon filter screen that the active carbon filter chamber set up has the effect of adsorbing waste gas organic pollutant, can absorb remaining organic pollutant in the waste gas behind the purification waste gas, makes the waste gas degradation efficiency after the purification high.

The application is further configured to: the top plate is provided with a through hole for inserting the activated carbon filter screen, and the bottom plate is provided with a limit groove for fixing the activated carbon filter screen.

By adopting the technical scheme, the activated carbon net is convenient to insert into the through hole arranged on the top plate of the case, and the activated carbon filter screen is more stable due to the limiting groove arranged on the bottom plate.

The application is further configured to: and sealing rubber strips are arranged on the side edges of the activated carbon filter screen corresponding to the through holes.

By adopting the technical scheme, the sealing rubber strips arranged at the corresponding edges of the activated carbon filter screen and the through hole of the case enable the activated carbon filter screen to be installed on the case more hermetically, so that the waste gas is prevented from flowing out.

The application is further configured to: and a handle is arranged on one side of the activated carbon filter screen outside the case.

By adopting the technical scheme, the activated carbon filter screen is provided with the handle, so that the activated carbon filter screen is convenient to replace and filter.

The application is further configured to: the air inlet pipe is provided with a fan, and a filter screen is arranged on one side, away from the case, of the fan in the air inlet pipe.

Through adopting above-mentioned technical scheme, the fan that the intake pipe set up does benefit to the waste gas that produces when absorbing the printing, and the filter screen that the intake pipe tip set up can prevent that debris from getting into the intake pipe, avoids the intake pipe to block up, reduces the degradation efficiency of waste gas.

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

1. the ultraviolet sterilizing chamber can utilize the high-energy high-odor ultraviolet light beams to decompose oxygen molecules in the air to generate free oxygen, so that ozone is generated, has extremely strong oxidation effect on organic matters, and has obvious removing effect on malodorous gas and other waste gases. The ultraviolet lamp tube can be attached and polluted by colloid particles in the waste gas after the waste gas is treated for a long time, the waste gas can be heated by the heating chamber, the temperature of the waste gas is improved, and then the temperature of colloid contained in the waste gas is improved, so that the colloid generates a coagulation phenomenon, the waste gas can be prevented from being attached to the surface of an ultraviolet lamp when passing through the ultraviolet chamber, the attachment amount of the waste gas on the ultraviolet lamp tube is reduced, and the waste gas purifying capacity of the ultraviolet chamber is improved. The plasma sterilizing chamber decomposes waste gas molecules by using high-energy electrons and ions generated in high-voltage discharge at normal temperature, the high-energy electrons decompose oxygen molecules into two oxygen atoms and combine the oxygen atoms with the oxygen molecules to form ozone again, and the water molecules are decomposed into hydroxyl radicals after the high-voltage discharge, so that the plasma sterilizing chamber has a strong oxidizing effect on organic pollutants. The active filter chamber can absorb the residual organic pollutants in the gas after filtering and purifying, thereby achieving higher purifying effect. The netted baffle plate arranged among the heating chamber, the ultraviolet sterilizing chamber, the plasma sterilizing chamber and the active carbon filtering chamber is convenient for the circulation of waste gas. The heating chamber, the ultraviolet sterilizing chamber, the plasma sterilizing chamber and the activated carbon filtering chamber improve the degradation efficiency of the printing waste gas.

2. Including the setting of first hot plate, second hot plate, third hot plate and fourth hot plate in the heating chamber, make waste gas circuitous in the heating chamber, fully make waste gas produce and gather the heavy phenomenon, prevent that the colloidal particle in the waste gas from adhering to ultraviolet tube, prolong ultraviolet tube life relatively, improved the degradation effect of printing waste gas.

3. The active carbon filter screen that the active carbon filter chamber set up has the effect of adsorbing the organic pollutant of waste gas, can absorb remaining organic pollutant in the waste gas behind the purification waste gas, makes the waste gas degradation efficiency after the purification high.

Drawings

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

FIG. 2 is a schematic view of the structure of the present invention after the sealing door is opened;

fig. 3 is a schematic structural view of the assembly of the activated carbon filter screen and the cabinet of the present invention.

In the figure, 1, a chassis; 11. a top plate; 12. a base plate; 13. a side plate; 14. a sealing door; 141. a door handle; 15. an air inlet pipe; 151. a fan; 152. filtering with a screen; 16. an exhaust pipe; 2. a heating chamber; 21. a first heating plate; 22. a second heating plate; 23. a third heating plate; 24. a fourth heating plate; 3. an ultraviolet sterilizing chamber; 31. an ultraviolet lamp tube; 32. a photocatalyst plate; 33. a photocatalyst plate stopper; 4. a plasma sterilizing chamber; 41. a plasma purifier; 42. a plasma purifier limiting groove; 5. an activated carbon filter chamber; 51. an active carbon filter screen; 511. sealing rubber strips; 512. a handle; 52. a through hole; 53. a limiting groove; 6. a mesh baffle; 7. a baffle plate; 71. a mesh plate.

Detailed Description

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

Referring to fig. 1 and 2, for the printing exhaust gas treatment device disclosed in the present application, the printing exhaust gas treatment device includes a case 1, the case 1 is a box structure with one side opened, which is formed by splicing a top plate 11, a bottom plate 12 and three side plates 13 fixedly connected to the top plate 11 and the bottom plate 12, a sealing door 14 is provided on the opening side of the case 1, so that the printing exhaust gas treatment device is convenient to maintain and replace, and the sealing door 14 is provided with a door handle 141 for opening the sealing door. An air inlet pipe 15 is arranged at one end of the case 1, and an exhaust pipe 16 is arranged at the other end of the case 1, so that exhaust gas can circulate in the case 1. The air inlet pipe 15 is provided with a fan 151 which can accelerate the speed of the waste gas entering the waste gas treatment device, and the end part of the air inlet pipe 15 far away from the case 1 is provided with a filter screen 152 which can prevent sundries from entering and blocking the air inlet pipe 15.

Referring to fig. 2, the cabinet 1 is provided with a heating chamber 2, an ultraviolet sterilizing chamber 3, a plasma sterilizing chamber 4 and an activated carbon filtering chamber 5 in sequence from an air inlet pipe 15 end to an air outlet pipe 16 end, so that waste gas can be purified more thoroughly in the waste gas treatment device. A baffle 7 is arranged between the heating chamber 2 and the ultraviolet sterilizing chamber 3, and a reticular plate 71 for the circulation of the waste gas is arranged at the upper end of the baffle 7. Netted baffles 6 are arranged between the ultraviolet sterilizing chamber 3 and the plasma sterilizing chamber 4, and between the plasma sterilizing chamber 4 and the active carbon filtering chamber 5.

Referring to fig. 2, the heating chamber 2 includes a first heating plate 21, a second heating plate 22, a third heating plate 23 and a fourth heating plate 24, the first heating plate 21, the second heating plate 22, the third heating plate 23 and the fourth heating plate 24 are all shorter than the side plate 13, the first heating plate 21 and the third heating plate 23 are fixedly connected to the upper surface of the bottom plate 12, the second heating plate 22 and the fourth heating plate 24 are fixed to the lower surface of the top plate 11, and a channel for bypassing exhaust gas is formed between the first heating plate 21, the second heating plate 22, the third heating plate 23 and the fourth heating plate 24. The lower surface of the top plate 11 and the upper surface of the bottom plate 12 in the ultraviolet sterilizing chamber 3 are both provided with a plurality of ultraviolet lamp tubes 31, and the ultraviolet sterilizing chamber 3 is provided with a photocatalyst plate 32 which is parallel to the top plate 11. Baffle 7 and netted baffle 6 surface all are provided with the photocatalyst plate stopper 33 of fixed photocatalyst plate 32, and this netted baffle 6 is netted baffle 6 between ultraviolet ray retort room 3 and the plasma retort room 4, is convenient for fix photocatalyst plate 32 demountable installation on photocatalyst plate stopper 33. The plasma sterilizing chamber 4 is provided with a plasma purifier 41, and the upper surface of the bottom plate 12 is provided with a plasma purifier limit groove 42 for fixing the plasma purifier 41, so that the plasma purifier 41 is more stably installed in the plasma purifying chamber 4.

Referring to fig. 3, the activated carbon filter chamber 5 is provided with an activated carbon filter screen 51, the top plate 11 is provided with a through hole 52 through which the activated carbon filter screen 51 passes, and the edges of the activated carbon filter screen 51 corresponding to the through hole 52 are provided with sealing rubber strips 511, so that the activated carbon filter screen 51 is inserted into the box body 1 without air leakage. The bottom plate 12 is provided with a limit groove 53 for fixing the activated carbon filter screen 51, so that the activated carbon filter screen 51 is more stable in the activated carbon filter chamber 5. The activated carbon filter screen 51 is provided with a handle 512 for inserting and taking out the activated carbon filter screen 51.

The implementation principle of the embodiment is as follows: firstly, the waste gas treatment device is operated, waste gas generated in the printing process flows to the heating chamber 2 through the rotation of the air inlet pipe 15 and the fan 151, the waste gas sequentially passes through the first heating plate 21, the second heating plate 22, the third heating plate 23 and the fourth heating plate 24 in the heating chamber 2, and colloidal particles in the waste gas are accelerated through heating, so that the colloidal particles are coagulated and precipitated, the colloidal particles in the waste gas are prevented from entering the ultraviolet sterilizing chamber 3 and being adhered to the surface of the ultraviolet lamp tube 31, and the waste gas degradation efficiency of the ultraviolet sterilizing chamber 3 is prevented from being reduced. The exhaust gas flows to the ultraviolet sterilizing chamber 3 through the mesh plate 71 at the upper end of the baffle 7, and organic pollutants such as volatile substances in the exhaust gas are degraded under the action of the ultraviolet lamp tube 31 and the photocatalyst plate 32. Then the waste gas enters the plasma sterilizing chamber 4 through the mesh baffle 6, the pollutants in the waste gas are degraded again under the action of the plasma purifier 41, finally the waste gas enters the activated carbon filter chamber 5, the organic pollutants in the waste gas are adsorbed by the activated carbon filter screen 51, and the waste gas is discharged through the exhaust port 16 after the harmful components in the waste gas are fully absorbed.

If need change active carbon filter screen 51, can carry handle 512, take out active carbon filter screen 51, when installation active carbon filter screen 51, aim at through-hole 52 with active carbon filter screen 51 bottom, block active carbon filter screen 51 on the spacing groove at last, change promptly and accomplish. The arrangement of the sealing door 14 facilitates the maintenance and replacement of devices inside the printing waste gas treatment device.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A printing exhaust treatment device, characterized in that: comprises a case (1), the case (1) is a box body structure with one side opened and formed by splicing a top plate (11), a bottom plate (12) and three side plates (13) fixedly connected with the top plate (11) and the bottom plate (12), a sealing door (14) is arranged at the opening side of the case (1), one end of the case (1) is provided with an air inlet pipe (15), the other end of the case is provided with an exhaust pipe (16), a heating chamber (2), an ultraviolet sterilizing chamber (3), a plasma sterilizing chamber (4) and an activated carbon filtering chamber (5) are sequentially arranged in the case (1) from the end of the air inlet pipe (15) to the end of the exhaust pipe (16), reticular baffles (6) are respectively arranged between the ultraviolet sterilizing chamber (3) and the plasma sterilizing chamber (4) and between the activated carbon filtering chamber (5), and baffles (7) are arranged between the heating chamber (2) and the ultraviolet sterilizing chamber (3), and a reticular plate (71) for circulating the waste gas is arranged at the upper end of the baffle plate (7).

2. A printing exhaust gas treatment device according to claim 1, wherein: be provided with first hot plate (21), second hot plate (22), third hot plate (23) and fourth hot plate (24) in heating chamber (2), first hot plate (21), second hot plate (22), third hot plate (23) and fourth hot plate (24) all are in shortage in curb plate (13), first hot plate (21) and third hot plate (23) fixed connection are in bottom plate (12) upper surface, second hot plate (22) and fourth hot plate (24) are fixed in roof (11) lower surface, form the passageway that supplies the circuitous flow of waste gas between first hot plate (21), second hot plate (22), third hot plate (23) and the fourth hot plate (24).

3. A printing exhaust gas treatment device according to claim 1, wherein: a plurality of ultraviolet lamp tubes (31) are arranged on the lower surface of a top plate (11) and the upper surface of a bottom plate (12) in the ultraviolet sterilizing chamber (3), a photocatalyst plate (32) parallel to the top plate (11) is arranged in the ultraviolet sterilizing chamber (3), and the photocatalyst plate (32) is detachably arranged between a net-shaped baffle plate (6) and a baffle plate (7).

4. A printing exhaust gas treatment device according to claim 1, wherein: a plasma purifier (41) is arranged in the plasma sterilizing chamber (4), and a plasma purifier limiting groove (42) for fixing the plasma purifier (41) is arranged on the upper surface of the bottom plate (12).

5. A printing exhaust gas treatment device according to claim 1, wherein: an active carbon filter screen (51) is arranged in the active carbon filter chamber (5).

6. A printing exhaust gas treatment device according to claim 1, wherein: the top plate (11) is provided with a through hole (52) for inserting the activated carbon filter screen (51), and the bottom plate (12) is provided with a limit groove (53) for fixing the activated carbon filter screen (51).

7. The printing waste gas treatment device according to claim 6, wherein: and sealing rubber strips (511) are arranged on the side edges of the activated carbon filter screen (51) corresponding to the through holes (52).

8. The printing waste gas treatment device according to claim 5, wherein: and a handle (512) is arranged on one side of the activated carbon filter screen (51) outside the case (1).

9. A printing exhaust gas treatment device according to claim 1, wherein: be provided with fan (151) on intake pipe (15), intake pipe (15) are provided with filter screen (152) in fan (151) one side of keeping away from quick-witted case (1).