CN111729441A

CN111729441A - Purification equipment for treating flue-curing waste gas generated by tobacco leaf redrying sheet-curing machine

Info

Publication number: CN111729441A
Application number: CN202010446634.5A
Authority: CN
Inventors: 吴昆�; 吴相发; 梁军; 张长山
Original assignee: Make Huaxing Tobacco Machinery Manufacturing Co ltd
Current assignee: Make Huaxing Tobacco Machinery Manufacturing Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-10-02

Abstract

The invention discloses a purification device for treating baking waste gas generated by a tobacco leaf redrying sheet baking machine, relates to the technical field of waste gas purification devices, and aims to solve the problem that the treatment effect is poor due to the fact that the treatment process of the purification device for treating baking waste gas generated by the existing tobacco leaf baking machine is simple. The utility model discloses a washing device of solar water heater, including washing case, wash case, chimney, wash chamber, second purifying chamber, plasma polar plate, the inside of washing case is provided with first washing room, second washing room and third washing room, and is provided with the air vent between the adjacent washing room, the inside of purifying case has set gradually first purifying chamber, second purifying chamber and third purifying chamber, and is provided with the blow vent between the adjacent purifying chamber, the internally mounted of first purifying chamber has plasma polar plate, the internally mounted of second purifying chamber has activated carbon adsorption mechanism, install the UV lamp on the inner wall of third purifying chamber.

Description

Purification equipment for treating flue-curing waste gas generated by tobacco leaf redrying sheet-curing machine

Technical Field

The invention relates to the technical field of waste gas purification equipment, in particular to purification equipment for treating baking waste gas generated by a tobacco leaf redrying sheet baking machine.

Background

The tobacco redrying is a process of re-baking the primarily prepared tobacco leaves by a tobacco sheet baking machine to adjust the moisture of the tobacco leaves so as to store the tobacco leaves for a long time. However, a large amount of waste gas is generated in the baking process of the tobacco leaf baking machine, and the main components of the waste gas are water vapor, dust generated in the tobacco leaf crushing process, VOCs volatilized from tobacco leaves during high-temperature baking and other polluted waste gas. Therefore, according to relevant national laws and regulations and industrial standards, the purification equipment is used for treating the waste gas, so that the waste gas is prevented from being directly discharged into the atmosphere to pollute the air quality and seriously damage the human health. Is beneficial to the sustainable development of the country.

However, the existing purification equipment for treating the flue-curing waste gas generated by the tobacco redrying tobacco leaf roasting machine is simple in treatment process and poor in treatment effect, so that the existing requirements are not met.

Disclosure of Invention

The invention aims to provide a purification device for treating waste baking gas generated by a tobacco redrying tobacco leaf roasting machine, which aims to solve the problem that the treatment effect is poor due to the simple treatment process of the purification device for the waste baking gas generated by the tobacco leaf roasting machine in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a handle tobacco leaf redrying and produce clarification plant who toasts waste gas with roast machine, includes the washing case, deareator is installed to one side of washing case, the purifying box is installed to deareator's opposite side, and purifying box and deareator pass through pipeline and be connected, the draught fan is installed to the other end of purifying box, the chimney is installed to the upper end of draught fan, the inside of washing case is provided with first washroom, second washroom and third washroom, and is provided with the air vent between the adjacent washroom, the second washroom sets up between first washroom and third washroom, the inside of purifying box has set gradually first clean room, second clean room and third clean room, and is provided with the blow vent between the adjacent clean room, the second clean room sets up between first clean room and third clean room, the internally mounted of first clean room has the plasma polar plate, plasma polar plate installs four, and plasma polar plate and purifying box pass through the screw connection, the internally mounted of second purifying chamber has activated carbon adsorption mechanism, install the UV lamp on the inner wall of third purifying chamber, and the UV lamp passes through the screw connection with the purifying box.

Preferably, the internally mounted of first washing chamber has first filter, first shower head is installed on the inside top of first washing chamber, the rear end of first washing chamber bottom is provided with first liquid suction pipe, the rear end of first washing chamber bottom is provided with first drain pipe, the internally mounted of second washing chamber has the second filter, atomizer is installed on the inside top of second washing chamber, the rear end of second washing chamber bottom is provided with the second liquid suction pipe, the rear end of second washing chamber bottom is provided with the second drain pipe, all through the pipe connection between first liquid suction pipe and first shower head and second liquid suction pipe and the atomizer, and install the circulating pump on the pipeline, first filter and second filter pass through the draw-in groove with the washing case and are connected.

Preferably, the first filter includes first frame, first filter screen, first closing plate and first handle, the second filter includes second frame, second filter screen, second closing plate and second handle, first filter screen sets up in the inside bottom of first frame to with first frame fixed connection, first closing plate sets up in the front end of first frame to structure as an organic whole with first frame, first handle sets up in the place ahead of first closing plate to pass through screwed connection with first closing plate, the second filter is the same with first filter plate structure, and only the filtration pore of first filter screen is greater than the filtration pore of second filter screen, first closing plate and second closing plate extend to the inside of washing case front end to with washing case sealing connection.

Preferably, the activated carbon adsorption mechanism includes casing, protection network, roof, handle and active carbon, the protection network sets up in the inside both sides of casing to pass through bolted connection with the casing, the active carbon is filled between two protection networks, the roof sets up in the top of casing to structure as an organic whole with the casing, the handle sets up in the top of roof to pass through bolted connection with the roof.

Preferably, the top plate extends to the inside of purifying box, and installs sealed the pad between top plate and the purifying box, and sealed pad and purifying box cementing are connected.

Preferably, the first outer frame and the second outer frame are both contracted from top to bottom.

Preferably, the UV lamps are installed in a plurality, and the UV lamps are symmetrically distributed around the vertical center line of the purifying box.

Preferably, the second spray head is installed on the top end of the interior of the third washing chamber, a third liquid discharge pipe is arranged at the rear end of the bottom of the third washing chamber, a liquid storage tank is installed at the rear of the third washing chamber, a dosing pump is installed above the liquid storage tank, and the dosing pump is connected with the liquid storage tank and the second spray head through pipelines.

Preferably, the activated carbon adsorption mechanism is connected with the purification box through a clamping groove.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through three-stage water washing of the water washing tank, particle impurities in the waste gas and acidic substances which are easy to water are removed, the temperature of the waste gas is reduced, and then the waste gas is introduced into the purifying chamber, multiple filtering and purification of the baking waste gas are realized through decomposition of the plasma polar plate, high-strength adsorption of the active carbon in the active carbon adsorption mechanism and photolysis of the UV lamp in the purifying chamber, untreated and incompletely decomposed partial escaping waste gas can be effectively treated, the treatment effect of the equipment is greatly improved, and the practicability of the equipment is improved.

2. According to the invention, the first filter plate and the second filter plate are respectively arranged in the first washing chamber and the second washing chamber, and can effectively intercept particle impurities in the sprayed water, so that the circulating pump can convey the cleaning water in the first washing chamber and the second washing chamber to the first spray head and the atomizing spray head, thereby realizing the recycling of the cleaning water, and being more economical and environment-friendly. Simultaneously the inside horn structure of first filter and second filter to with the filter screen setting in the inside bottom of first filter and second filter, have the guide effect to the flow direction who washs water from this, conveniently wash inside water inflow filter, such shape structure has also increased and has held the sediment volume.

3. The active carbon adsorption mechanism is arranged in the purification box through the connection mode of the clamping grooves, the connection mode is flexible, the disassembly and the assembly are convenient, the periodic replacement of active carbon is facilitated, the top plate is arranged at the top of the shell and extends to the inside of the top end of the purification box, and the sealing gasket is arranged at the connection position of the top plate and the top plate, so that the sealing performance of the connection position can be improved, and the leakage of gas is avoided. The fixed mode of first filter, second filter and washing case is also the same with the fixed mode of active carbon adsorption mechanism and purifying box, makes things convenient for first filter and second filter to regularly clean from this, guarantees the leakproofness of first filter, second filter and washing case junction simultaneously.

Drawings

FIG. 1 is a partial cross-sectional view of a cleaning apparatus for treating flue-curing exhaust gas generated from a tobacco redrying tobacco curing machine according to the present invention;

FIG. 2 is a schematic view of the structure of a first filter plate according to the present invention;

FIG. 3 is a schematic view of a second filter plate according to the present invention;

FIG. 4 is a front view of the water wash tank of the present invention;

fig. 5 is a rear view of the washing tank of the present invention.

In the figure: 1. a water washing tank; 11. a first washing chamber; 111. a first filter plate; 1111. a first outer frame; 1112. a first filter screen; 1113. a first sealing plate; 1114. a first handle; 112. a first shower head; 113. a first liquid suction pipe; 114. a first drain pipe; 12. a second washing chamber; 121. a second filter plate; 1211. a second outer frame; 1212. a second filter screen; 1213. a second sealing plate; 1214. a second handle; 122. an atomizing spray head; 123. a second liquid suction pipe; 124. a second drain pipe; 13. a third washing chamber; 131. a second shower head; 132. a third drain pipe; 14. a circulation pump; 15. a liquid storage tank; 16. a dosing pump; 2. a gas-water separator; 3. a purification box; 31. a first purification chamber; 32. a second clean room; 33. a third clean room; 34. a gasket; 4. a delivery conduit; 5. an induced draft fan; 6. a chimney; 7. a plasma plate; 8. an activated carbon adsorption mechanism; 81. a housing; 82. a protective net; 83. a top plate; 84. a handle; 85. activated carbon; 9. and a UV lamp.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, an embodiment of the present invention is shown: a purification device for treating flue-curing waste gas generated by a tobacco redrying tobacco leaf baking machine comprises a water washing box 1, wherein one side of the water washing box 1 is provided with a gas-water separator 2, the model of the gas-water separator 2 is MQF-100, water-steam separation is realized, the humidity of gas is reduced, the other side of the gas-water separator 2 is provided with a purification box 3, the purification box 3 is connected with the gas-water separator 2 through a conveying pipeline 4 and used for conveying gas, the other end of the purification box 3 is provided with a draught fan 5, the upper end of the draught fan 5 is provided with a chimney 6, the inside of the water washing box 1 is provided with a first washing chamber 11, a second washing chamber 12 and a third washing chamber 13, vent holes are arranged between the adjacent washing chambers, the second washing chamber 12 is arranged between the first washing chamber 11 and the third washing chamber 13, the inside of the purification box 3 is sequentially provided with a first purification chamber 31, a second purification chamber 32 and a third purification chamber 33, and, second clean room 32 sets up between first clean room 31 and third clean room 33, the internally mounted of first clean room 31 has plasma polar plate 7, four are installed to plasma polar plate 7, and plasma polar plate 7 passes through screw connection with purifying box 3, the internally mounted of second clean room 32 has activated carbon adsorption mechanism 8, install UV lamp 9 on the inner wall of third clean room 33, and UV lamp 9 passes through screw connection with purifying box 3, moreover, the steam generator is simple in structure, and simple to operate.

Further, a first filter plate 111 is installed inside the first washing chamber 11, a first spray head 112 is installed at the top end inside the first washing chamber 11, a first liquid extracting pipe 113 is arranged at the rear end of the bottom of the first washing chamber 11, a first liquid discharging pipe 114 is arranged at the rear end of the bottom of the first washing chamber 11, a second filter plate 121 is installed inside the second washing chamber 12, an atomizing nozzle 122 is installed at the top end inside the second washing chamber 12, the sprayed liquid is refined to facilitate the washing of fine impurities in the exhaust gas, a second liquid extracting pipe 123 is arranged at the rear end of the bottom of the second washing chamber 12, a second liquid discharging pipe 124 is arranged at the rear end of the bottom of the second washing chamber 12, the first liquid extracting pipe 113, the first spray head 112, the second liquid extracting pipe 123 and the atomizing nozzle 122 are connected through pipelines, a circulating pump 14 is installed on the pipelines, the first filter plate 111 and the second filter plate 121 are connected with the washing tank 1 through clamping grooves, and the connection mode is flexible, can be disassembled and assembled.

Further, the first filter plate 111 includes a first outer frame 1111, a first filter net 1112, a first sealing plate 1113 and a first handle 1114, the second filter plate 121 includes a second outer frame 1211, a second filter net 1212, a second sealing plate 1213 and a second handle 1214, the first filter net 1112 is disposed at the bottom end inside the first outer frame 1111, and is fixedly connected with the first outer frame 1111, a first sealing plate 1113 is arranged at the front end of the first outer frame 1111, and is integrated with the first outer frame 1111, the first handle 1114 is disposed in front of the first sealing plate 1113, and is connected with the first sealing plate 1113 by screws, the second filter plate 121 has the same structure as the first filter plate 111, only the filter holes of the first filter net 1112 are larger than the filter holes of the second filter net 1212, so as to filter the impurity of different particle sizes, first closing plate 1113 and second closing plate 1213 extend to the inside of washing case 1 front end to with washing case 1 sealing connection, improve the leakproofness of junction.

Further, activated carbon adsorption mechanism 8 includes casing 81, protection network 82, roof 83, handle 84 and active carbon 85, protection network 82 sets up in the inside both sides of casing 81, and pass through screwed connection with casing 81, active carbon 85 is filled between two protection networks 82, when protecting active carbon 85, make things convenient for gaseous passing, roof 83 sets up in the top of casing 81, and structure as an organic whole with casing 81, the wholeness is good, the junction is seamless, handle 84 sets up in the top of roof 83, and pass through screwed connection with roof 83, the installation is simple, and is dismantled and assembled.

Further, roof 83 extends to the inside of purifying box 3, and installs sealed pad 34 between roof 83 and the purifying box 3, guarantees the leakproofness of the installation of active carbon adsorption mechanism 8, and sealed pad 34 splices with purifying box 3 and is connected, and joint strength is high, and the junction leakproofness is good.

Further, the first outer frame 1111 and the second outer frame 1211 are both contracted from top to bottom, have large upper parts and small lower parts, facilitate the inflow of water, and have large slag containing amount.

Further, the UV lamps 9 are installed in a plurality of numbers, and the UV lamps 9 are symmetrically distributed around the vertical center line of the purifying box 3, so that the irradiation area and the intensity are increased, and the treatment effect is improved.

Further, a second spray head 131 is installed at the top end inside the third washing chamber 13, a third liquid discharge pipe 132 is arranged at the rear end of the bottom of the third washing chamber 13, a liquid storage tank 15 is installed behind the third washing chamber 13, a dosing pump 16 is installed above the liquid storage tank 15, and the dosing pump 16 is connected with the liquid storage tank 15 and the second spray head 131 through pipelines, so that liquid is conveniently conveyed.

Further, the activated carbon adsorption mechanism 8 is connected with the purifying box 3 through a clamping groove, so that the connection mode is flexible and the disassembly and assembly are convenient.

The working principle is as follows: when in use, the baking waste gas generated by the operation of the baking machine is collected and discharged into the first washing chamber 11 through the inlet at one end of the water washing tank 1, the circulating pump 14 is started to pump water at the bottom of the first washing chamber 11 and convey the water to the first spray head 112, the water is sprayed out from the first spray head 112 to wash the waste gas, large particles in the waste gas are washed off, the waste gas enters the second washing chamber 12 through the vent hole, the other circulating pump 14 is started to pump water at the bottom of the second washing chamber 12 and convey the water to the atomizing spray head 122, the atomizing spray head 122 sprays refined water mist to wash the waste gas again, small particles in the waste gas are washed off, finally the waste gas enters the third washing chamber 13 through the other vent hole, the chemical adding pump 16 pumps alkali liquor in the liquid storage tank 15 and conveys the alkali liquor to the second spray head 131 to spray out the water or acidic substances in the waste gas, the waste gas after being washed is discharged into the gas-water separator 2 through the outlet at the, the waste gas is subjected to water-vapor separation through the mechanical movement of the gas-water separator 2, the humidity of the gas is reduced, and the gas is discharged into the purifying box 3. Get into first clean room 31 through the import of purifying box 3 one end, plasma polar plate 7 circular telegram in first clean room 31 produces the electric field, in the in-process that high-voltage discharge produced plasma, the produced chemical energy of some harmful gas molecules of enough opening in the twinkling of an eye of high-frequency discharge, make it decompose into simple substance atom or harmless molecule, and under the electric field effect, can make VOCs molecule be in the excited state, when the energy that VOCs molecule obtained is greater than the binding energy of its molecular bond ability, the chemical bond of VOCs molecule will break, directly decompose into simple substance atom or constitute by single atom and get harmless gas molecule. And then enters the second purifying chamber 32 through the vent, and the activated carbon 85 in the second purifying chamber 32 has strong adsorption effect and can further adsorb and remove the residual harmful substances in the gas. Finally, the gas enters the third purifying chamber 33 through another vent, and the gas is disinfected and sterilized by using the ultraviolet rays irradiated by the UV lamp 9, so that escaping waste gas is avoided, and the purifying effect is greatly improved. The first and

second filtering plates

111 and 121, which intercept particulate impurities in the sprayed water, are installed inside the first and

second washing chambers

11 and 12, respectively, so that the circulation pump 14 can send the washing water of the first and

second washing chambers

11 and 12 to the first shower head 112 and the atomizer 122 again, thereby realizing the recycling of the washing water and being more economical and environmentally friendly. Inside the activated carbon adsorption mechanism 8 is packed into from the purifying box 3 top through the connected mode of draw-in groove, the connected mode flexibility, convenient to detach and installation are favorable to regularly changing activated carbon 85, set up roof 83 at casing 81 top simultaneously, and the inside on purifying box 3 top is placed to roof 83 to sealed pad 34 has been installed at their junction, can improve the leakproofness of junction from this, avoid gaseous revealing. The fixing mode of the first filter plate 111, the second filter plate 121 and the water washing tank 1 is the same as that of the activated carbon adsorption mechanism 8 and the purification tank 3, so that the first filter plate 111 and the second filter plate 121 are conveniently cleaned regularly, and the sealing property of the joint of the first filter plate 111 and the second filter plate 121 and the water washing tank 1 is also ensured.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a handle tobacco leaf redrying and produce clarification plant of flue-curing waste gas with roast machine, includes washing case (1), its characterized in that: gas-water separator (2) is installed to one side of washing case (1), purifying box (3) is installed to the opposite side of gas-water separator (2), and purifying box (3) is connected through pipeline (4) with gas-water separator (2), draught fan (5) are installed to the other end of purifying box (3), chimney (6) are installed to the upper end of draught fan (5), the inside of washing case (1) is provided with first washroom (11), second washroom (12) and third washroom (13), and is provided with the air vent between the adjacent washroom, second washroom (12) set up between first washroom (11) and third washroom (13), the inside of purifying box (3) has set gradually first clean room (31), second clean room (32) and third clean room (33), and is provided with the air vent between the adjacent clean room, second clean room (32) set up between first clean room (31) and third clean room (33), the internally mounted of first clean room (31) has plasma polar plate (7), four are installed in plasma polar plate (7), and plasma polar plate (7) pass through screw connection with purifying box (3), the internally mounted of second clean room (32) has activated carbon adsorption mechanism (8), install UV lamp (9) on the inner wall of third clean room (33), and UV lamp (9) pass through screw connection with purifying box (3).

2. The purification device for treating flue-curing exhaust gas generated by a tobacco redrying tobacco leaf roasting machine according to claim 1, wherein: the cleaning device is characterized in that a first filter plate (111) is arranged inside the first washing chamber (11), a first spray header (112) is arranged at the top end inside the first washing chamber (11), a first liquid pumping pipe (113) is arranged at the rear end of the bottom of the first washing chamber (11), a first liquid discharging pipe (114) is arranged at the rear end of the bottom of the first washing chamber (11), a second filter plate (121) is arranged inside the second washing chamber (12), an atomizing nozzle (122) is arranged at the top end inside the second washing chamber (12), a second liquid pumping pipe (123) is arranged at the rear end of the bottom of the second washing chamber (12), a second liquid discharging pipe (124) is arranged at the rear end of the bottom of the second washing chamber (12), the first liquid pumping pipe (113), the first spray header (112), the second liquid pumping pipe (123) and the atomizing nozzle (122) are connected through pipelines, and a circulating pump (14) is arranged on the pipelines, the first filter plate (111) and the second filter plate (121) are connected with the water washing tank (1) through clamping grooves.

3. The purification device for treating flue-curing exhaust gas generated by a tobacco redrying tobacco leaf roasting machine according to claim 2, wherein: the first filter plate (111) comprises a first outer frame (1111), a first filter screen (1112), a first sealing plate (1113) and a first handle (1114), the second filter plate (121) comprises a second outer frame (1211), a second filter screen (1212), a second sealing plate (1213) and a second handle (1214), the first filter screen (1112) is arranged at the bottom end inside the first outer frame (1111) and is fixedly connected with the first outer frame (1111), the first sealing plate (1113) is arranged at the front end of the first outer frame (1111) and is integrated with the first outer frame (1111), the first handle (1114) is arranged in front of the first sealing plate (1113) and is connected with the first sealing plate (1113) through screws, the second filter plate (121) has the same structure as the first filter plate (111), and only the filtration holes of the first filter screen (1112) are larger than the filtration holes of the second filter screen (1212), the first sealing plate (1113) and the second sealing plate (1213) extend to the interior of the front end of the water washing tank (1) and are hermetically connected with the water washing tank (1).

4. The purification device for treating flue-curing exhaust gas generated by a tobacco redrying tobacco leaf roasting machine according to claim 1, wherein: activated carbon adsorption mechanism (8) include casing (81), protection network (82), roof (83), handle (84) and activated carbon (85), protection network (82) set up in the inside both sides of casing (81) to pass through screw connection with casing (81), activated carbon (85) are filled between two protection networks (82), roof (83) set up in the top of casing (81) to structure as an organic whole with casing (81), handle (84) set up in the top of roof (83) to pass through screw connection with roof (83).

5. The purification device for treating flue-curing exhaust gas generated by a tobacco redrying tobacco leaf roasting machine according to claim 4, wherein: roof (83) extend to the inside of purifying box (3), and install sealed pad (34) between roof (83) and purifying box (3), and sealed pad (34) are connected with purifying box (3) cementing.

6. The purification device for treating flue-curing exhaust gas generated by a tobacco redrying tobacco leaf roasting machine according to claim 3, wherein: the first outer frame (1111) and the second outer frame (1211) are contracted from top to bottom.

7. The purification device for treating flue-curing exhaust gas generated by a tobacco redrying tobacco leaf roasting machine according to claim 1, wherein: the UV lamps (9) are installed in a plurality of numbers, and the UV lamps (9) are symmetrically distributed around the vertical center line of the purifying box (3).

8. The purification device for treating flue-curing exhaust gas generated by a tobacco redrying tobacco leaf roasting machine according to claim 1, wherein: second shower head (131) are installed on the inside top in room (13) is washed to the third, the rear end of room (13) bottom is washed to the third is provided with third fluid-discharge tube (132), liquid storage pot (15) are installed to the rear of room (13) is washed to the third, add medicine pump (16) are installed to the top of liquid storage pot (15), and add medicine pump (16) and pass through the pipe connection with liquid storage pot (15) and second shower head (131).

9. The purification device for treating flue-curing exhaust gas generated by a tobacco redrying tobacco leaf roasting machine according to claim 1, wherein: the activated carbon adsorption mechanism (8) is connected with the purification box (3) through a clamping groove.