CN112774388A - Waste gas treatment device for tobacco drying and use method thereof - Google Patents
Waste gas treatment device for tobacco drying and use method thereof Download PDFInfo
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- CN112774388A CN112774388A CN202110150672.0A CN202110150672A CN112774388A CN 112774388 A CN112774388 A CN 112774388A CN 202110150672 A CN202110150672 A CN 202110150672A CN 112774388 A CN112774388 A CN 112774388A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/104—Ozone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/25—Coated, impregnated or composite adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
Abstract
The invention discloses a waste gas treatment device for drying tobacco and a using method thereof, and the device comprises a shell, an upper opening and a lower opening of the shell, a control switch arranged on the side surface of the shell, a filter element arranged at the lower opening of the shell, a plurality of activated carbon plates arranged in the shell and above the filter element, a first fan arranged in the shell and above the activated carbon plates, a plurality of electrostatic plates arranged in the shell and above the first fan, a second fan arranged in the shell and above the electrostatic plates, a catalytic micropore block arranged in the shell and above the second fan, a dust screen arranged at the upper opening of the shell, a plurality of ultraviolet lamp tubes arranged between the catalytic micropore plate and the second fan, an ozone generating device arranged at one side of the shell, and a connecting pipe communicated with the shell. The invention has reasonable design and simple structure, can treat the waste gas generated by tobacco processing and can sterilize, thereby further avoiding the pollution to the environment.
Description
Technical Field
The invention relates to the technical field related to waste gas treatment in tobacco processing, in particular to a waste gas treatment device for tobacco drying and a using method thereof.
Background
As is well known, the tobacco industry generally refers to the industry of processing tobacco into various types of smoking articles. The tobacco product can be cigarette, cigar, shredded tobacco, snuff, chewing tobacco, etc. Wherein, the cigarette yield is the largest, the total tobacco consumption is more than 85%, so the tobacco industry mainly refers to the cigarette industry. However, for tobacco drying, a large amount of hot gas exhaust gas is generated, and the exhaust gas is treated to be discharged; some tobacco drying waste gas treatment equipment with different structures also appears at present.
Through search and discovery, the invention of application number CN201610626185.6 discloses a tobacco processing waste gas purification device, which comprises an ozone generator, an oxidation reaction device connected with the ozone generator, a strong oxidant filtering device connected with the oxidation reaction device, a water filtering device connected with the strong oxidant filtering device, a solid adsorption device connected with the water filtering device and a conveying pipe connected with the devices, wherein strong oxidant solution is stored in the strong oxidant filtering device, clear water is stored in the water filtering device, fiber activated carbon is placed in the solid adsorption device, an outlet is arranged on the solid adsorption device, and a suction fan is arranged on the outlet.
The invention of application No. CN96105059.4 discloses a method and apparatus for treating waste gas generated in the manufacture of articles of the tobacco processing industry; the invention relates to the treatment or filtering of process air used in tobacco processing machines and the return of the treated air and short cut tobacco separated therefrom to the tobacco processing machine. The object of the invention is to improve the efficiency of air treatment. To this end, first of all in a fine filter, two powders are separated from the exhaust gas which is enriched with fine and coarse powders by the process, and the exhaust gas is cooled in a cooling device and returned to the process. The separated fine and coarse powders are separated from the coarse powder in a separation filter and likewise returned to the process.
Application number CN 201521085281.1's utility model discloses a tobacco processing exhaust gas purification device, including ozone generator, oxidation reaction device, cyclone reactor, wet-type water spray set, shower, defroster, fan, ozone generator are connected to oxidation reaction device, and oxidation reaction device is connected to wet-type water spray set, and wet-type water spray set is connected to the fan. The method comprises the following implementation steps that the tobacco waste gas and ozone generated by an ozone generator are conveyed to an oxidation reaction device together for mixing reaction, most of malodorous molecules in the tobacco waste gas are oxidized and degraded into small molecular substances under the strong oxidation action of the ozone, and a small amount of organic waste gas is conveyed to a wet water spraying device, so that the waste gas which is not completely reacted in the oxidation reaction device can be further removed, and the purpose of odorless emission is achieved.
However, the cigarette industry has an important position in the economy of each country due to wide consumption range, large quantity and high tax of cigarettes. The cigarette factory mainly comprises a leaf line, a burley tobacco processing line, a stem line, a cut silk line, a dried silk line, a cut stem silk line, a stem silk expansion line, a blending and adding fragrant line, a silk storage cabinet and other silk making lines and a rolling and packing workshop which are all possible to generate peculiar smell waste gas. The waste gas removing efficiency of the existing waste gas treatment device for tobacco production is low, and after the waste gas is treated, residual gas cannot be effectively adsorbed, so that the environment is easily polluted.
Disclosure of Invention
Therefore, in order to solve the above disadvantages, the present invention provides a waste gas treatment device for tobacco drying and a use method thereof, wherein the waste gas treatment device has a reasonable design and a simple structure, and can treat and sterilize waste gas generated in tobacco processing and avoid environmental pollution. The invention has reasonable integral design and simple structure, the filter element preliminarily filters the waste gas, the active carbon plate adsorbs large-particle dust, the electrostatic plate adsorbs fine dust, ozone and the waste gas enter the catalytic microporous block and are irradiated by the ultraviolet lamp tube to cooperatively generate oxidation reaction to degrade and convert peculiar smell gas substances into low molecular compounds, water and carbon dioxide, and finally the peculiar smell gas substances are discharged through the upper opening of the shell, thereby avoiding the pollution to the air.
The invention is realized by constructing a waste gas treatment device for drying tobacco; the waste gas treatment device comprises a shell, wherein the upper part and the lower part of the shell are respectively provided with an opening;
the waste gas treatment device also comprises a control switch, wherein the control switch is arranged on the side surface of the shell;
the waste gas treatment device also comprises a filter element, the filter element is used for carrying out preliminary filtration on the waste gas, and the filter element is arranged at the opening at the lower part of the shell;
the waste gas treatment device also comprises a plurality of activated carbon plates, the activated carbon plates are used for adsorbing large-particle dust, and the activated carbon plates are respectively arranged in the shell and correspond to the upper part of the filter element;
the waste gas treatment device also comprises a first fan which is arranged in the shell and corresponds to the upper part of the activated carbon plate;
the waste gas treatment device also comprises a plurality of electrostatic plates, and fine dust is adsorbed by the electrostatic plates; the electrostatic plate is arranged in the shell and corresponds to the upper part of the first fan;
the waste gas treatment device also comprises a second fan which is positioned in the shell and corresponds to the upper part of the electrostatic plate;
the waste gas treatment device also comprises a catalytic microporous block, wherein the catalytic microporous block is arranged in the shell and corresponds to the upper part of the second fan;
the waste gas treatment device also comprises a dust screen which is arranged at the opening of the upper part of the shell;
the waste gas treatment device also comprises a plurality of ultraviolet lamp tubes which are arranged between the catalysis microporous plate and the second fan;
the waste gas treatment device also comprises an ozone generating device which is arranged on one side of the shell; ozone and waste gas enter the catalytic microporous block, are irradiated by the ultraviolet lamp tube, and are subjected to oxidation reaction in a synergic manner to degrade and convert odor gas substances into low molecular compounds, water and carbon dioxide, and finally are discharged through an opening at the upper part of the shell;
the exhaust gas treatment device also comprises a connecting pipe which is communicated with the shell.
As an improvement of the technical scheme, the waste gas treatment device for drying the tobacco is provided; micropores are uniformly processed on the surface of the microporous catalytic block, and a waste gas adsorbent is arranged in the wall of each micropore.
As an improvement of the technical scheme, the waste gas treatment device for drying the tobacco is provided; the waste gas adsorbent comprises the following components in parts by weight: 30-35 parts of activated carbon, 10-15 parts of coconut shell fiber, 5-10 parts of nano calcium carbonate, 10-12 parts of graphene, 2-3 parts of ethyl acetate, 90-120 parts of polyvinyl chloride, 1-2 parts of sodium bicarbonate, 8-10 parts of dicarboxy phthalimide and 7-10 parts of silane coupling agent; the preparation method comprises the following steps: weighing the raw material components according to the formula proportion for later use; then uniformly mixing the polyvinyl chloride, sodium bicarbonate, dicarboxy phthalimide and a silane coupling agent, and preparing a dispersion liquid with water, wherein the mass concentration of the dispersion liquid is 42-45%; heating the dispersion to 60-65 ℃, and carrying out heat treatment for 5 hours; after evaporation and dehydration, cooling to normal temperature; then adding activated carbon, coconut fiber, nano calcium carbonate and graphene, and mixing; mixing at 1800rpm for 40-50min to obtain adsorbent product.
As an improvement of the technical scheme, the waste gas treatment device for drying the tobacco is provided; the activated carbon plate has the same shape as the electrostatic plate.
As an improvement of the technical scheme, the waste gas treatment device for drying the tobacco is provided; the activated carbon plate is provided with first mounting groove with the casing junction, first mounting groove and casing fixed connection, first mounting groove both sides are provided with the buckle, buckle and activated carbon plate lock joint.
As an improvement of the technical scheme, the waste gas treatment device for drying the tobacco is provided; and a second mounting groove with the same structure as the first mounting groove is arranged at the joint of the electrostatic plate and the shell.
As an improvement of the technical scheme, the waste gas treatment device for drying the tobacco is provided; the shell is a plastic shell or a stainless steel shell.
A method for using the waste gas treatment device for drying the tobacco; the use method is implemented as follows; controlling and starting the first fan and the second fan to rotate so as to drive the air to flow; the waste gas to be treated enters from the lower opening of the shell of the device, is filtered by the filter element and then enters the shell; adsorbing large particle dust in the waste gas by an activated carbon plate; then, adsorbing and removing fine particle dust in the waste gas through an electrostatic plate, and sterilizing under the irradiation of an ultraviolet lamp tube; simultaneously, ozone is introduced, the waste gas and the ozone are mixed and enter the microporous catalytic block, and the high-energy UV light beams and the ozone carry out synergistic decomposition and oxidation reaction on the odor gas, so that the odor gas is degraded and converted into low molecular compounds, water and carbon dioxide, and finally discharged.
The invention has the following advantages: compared with the prior equipment, the invention has the following improvements and advantages;
the invention relates to a waste gas treatment device for drying tobacco, which comprises a shell, wherein the upper part and the lower part of the shell are respectively provided with an opening; the waste gas treatment device also comprises a control switch, wherein the control switch is arranged on the side surface of the shell; the waste gas treatment device also comprises a filter element, the filter element is used for carrying out preliminary filtration on the waste gas, and the filter element is arranged at the opening at the lower part of the shell; the waste gas treatment device also comprises a plurality of activated carbon plates, the activated carbon plates are used for adsorbing large-particle dust, and the activated carbon plates are respectively arranged in the shell and correspond to the upper part of the filter element; the waste gas treatment device also comprises a first fan which is arranged in the shell and corresponds to the upper part of the activated carbon plate; the waste gas treatment device also comprises a plurality of electrostatic plates, and fine dust is adsorbed by the electrostatic plates; the electrostatic plate is arranged in the shell and corresponds to the upper part of the first fan; the waste gas treatment device also comprises a second fan which is positioned in the shell and corresponds to the upper part of the electrostatic plate; the waste gas treatment device also comprises a catalytic microporous block, wherein the catalytic microporous block is arranged in the shell and corresponds to the upper part of the second fan; the waste gas treatment device also comprises a dust screen which is arranged at the opening of the upper part of the shell; the waste gas treatment device also comprises a plurality of ultraviolet lamp tubes which are arranged between the catalysis microporous plate and the second fan; the waste gas treatment device also comprises an ozone generating device which is arranged on one side of the shell; ozone and waste gas enter the catalytic microporous block, are irradiated by the ultraviolet lamp tube, and are subjected to oxidation reaction in a synergic manner to degrade and convert odor gas substances into low molecular compounds, water and carbon dioxide, and finally are discharged through an opening at the upper part of the shell; the exhaust gas treatment device also comprises a connecting pipe which is communicated with the shell. When the method is implemented, the advantages are shown; the invention has reasonable integral design and simple structure, the filter element preliminarily filters the waste gas, the active carbon plate adsorbs large-particle dust, the electrostatic plate adsorbs fine dust, ozone and the waste gas enter the catalytic microporous block and are irradiated by the ultraviolet lamp tube to cooperatively generate oxidation reaction to degrade and convert peculiar smell gas substances into low molecular compounds, water and carbon dioxide, and finally the peculiar smell gas substances are discharged through the upper opening of the shell, thereby avoiding the pollution to the air.
2, when the waste gas treatment device for drying the tobacco is implemented; micropores are uniformly processed on the surface of the microporous catalytic block, and a waste gas adsorbent is arranged in the wall of each micropore.
3, the exhaust gas adsorbent may be prepared in the following manner; the adhesive comprises the following components in parts by weight: 30-35 parts of activated carbon, 10-15 parts of coconut shell fiber, 5-10 parts of nano calcium carbonate, 10-12 parts of graphene, 2-3 parts of ethyl acetate, 90-120 parts of polyvinyl chloride, 1-2 parts of sodium bicarbonate, 8-10 parts of dicarboxyl phthalimide and 7-10 parts of silane coupling agent. The preparation method comprises the following steps: weighing the raw material components according to the formula proportion for later use; then uniformly mixing the polyvinyl chloride, sodium bicarbonate, dicarboxy phthalimide and a silane coupling agent, and preparing a dispersion liquid with water, wherein the mass concentration of the dispersion liquid is 42-45%; heating the dispersion to 60-65 ℃, and carrying out heat treatment for 5 hours; after evaporation and dehydration, cooling to normal temperature; then adding activated carbon, coconut fiber, nano calcium carbonate and graphene, and mixing; mixing at 1800rpm for 40-50min to obtain adsorbent product. By adding the substances such as sodium bicarbonate, polyvinyl chloride, dicarboxy phthalimide and the like, the speed of waste gas passing through the filler is increased, so that the waste gas adsorption efficiency is improved; compared with the existing waste gas adsorption material, the waste gas adsorbent provided by the invention has the following beneficial effects: the absorption rate of the adsorbent of the invention to sulfur dioxide, nitrogen dioxide, nitric oxide and tar particles is higher than 95%, and the absorption rate to hydrocarbons is higher than 90%.
4, when the waste gas treatment device for drying the tobacco is implemented; the activated carbon plate has the same shape as the electrostatic plate.
5, when the waste gas treatment device for drying the tobacco is implemented; the activated carbon plate is provided with first mounting groove with the casing junction, first mounting groove and casing fixed connection, first mounting groove both sides are provided with the buckle, buckle and activated carbon plate lock joint. The advantage is convenient for dismantle the active carbon board and get off change and clearance.
6, when the waste gas treatment device for drying the tobacco is implemented; a second mounting groove with the same structure as the first mounting groove is formed in the joint of the electrostatic plate and the shell; the electrostatic plate has the advantage that the electrostatic plate is convenient to disassemble for replacement and cleaning.
7, when the waste gas treatment device for drying the tobacco is implemented; the shell is a plastic shell or a stainless steel shell.
8, the use method of the waste gas treatment device for drying tobacco comprises the following steps of; controlling and starting the first fan and the second fan to rotate so as to drive the air to flow; the waste gas to be treated enters from the lower opening of the shell of the device, is filtered by the filter element and then enters the shell; adsorbing large particle dust in the waste gas by an activated carbon plate; then, adsorbing and removing fine particle dust in the waste gas through an electrostatic plate, and sterilizing under the irradiation of an ultraviolet lamp tube; simultaneously, ozone is introduced, the waste gas and the ozone are mixed and enter the microporous catalytic block, and the high-energy UV light beams and the ozone carry out synergistic decomposition and oxidation reaction on the odor gas, so that the odor gas is degraded and converted into low molecular compounds, water and carbon dioxide, and finally discharged.
Drawings
FIGS. 1 to 4 are schematic structural views of an exhaust gas treatment device according to the present invention;
FIG. 5 is a cross-sectional view A-A of FIG. 2 of the exhaust treatment device of the present invention;
FIG. 6 is a cross-sectional view B-B of FIG. 5 of the exhaust treatment device of the present invention;
FIG. 7 is a cross-sectional view C-C of FIG. 6 of the exhaust treatment device of the present invention;
fig. 8 is an enlarged schematic view of the exhaust gas treatment device of the present invention at a portion I of fig. 6.
Wherein: 1. a housing; 2. a control switch; 3. an ozone generator; 4. a dust screen; 5. a connecting pipe; 6. a filter element; 7. an activated carbon plate; 8. an electrostatic plate; 9. a first fan; 10. a second fan; 11. a microporous catalytic block; 12. an ultraviolet lamp tube; 13. buckling; 14. a first mounting groove.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 8, and the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a waste gas treatment device for tobacco drying and a using method thereof through improvement, as shown in figures 1-8, which can be implemented as follows; the waste gas treatment device for drying the tobacco comprises a shell 1, wherein openings are respectively formed at the upper part and the lower part of the shell 1;
the waste gas treatment device also comprises a control switch 2, wherein the control switch 2 is arranged on the side surface of the shell 1;
the waste gas treatment device also comprises a filter element 6, wherein the filter element 6 is used for carrying out preliminary filtration on the waste gas, and the filter element 6 is arranged at the opening at the lower part of the shell 1;
the waste gas treatment device also comprises a plurality of activated carbon plates 7, the activated carbon plates 7 are used for adsorbing large-particle dust, and the activated carbon plates 7 are respectively arranged in the shell 1 and correspond to the upper part of the filter element 6;
the waste gas treatment device also comprises a first fan 9 which is arranged in the shell 1 and corresponds to the upper part of the activated carbon plate 7;
the waste gas treatment device also comprises a plurality of electrostatic plates 8, and fine dust is adsorbed by the electrostatic plates 8; the electrostatic plate 8 is arranged in the housing 1 and corresponds to the upper part of the first fan 9;
the exhaust gas treatment device further comprises a second fan 10, wherein the second fan 10 is positioned in the housing 1 and corresponds to the upper part of the electrostatic plate 8;
the waste gas treatment device also comprises a catalytic microporous block 11, wherein the catalytic microporous block 11 is arranged in the shell 1 and corresponds to the upper part of the second fan 10;
the waste gas treatment device also comprises a dust screen 4 which is arranged at the opening of the upper part of the shell 1;
the waste gas treatment device also comprises a plurality of ultraviolet lamp tubes 12 which are arranged between the catalysis microporous plate 11 and the second fan 10;
the waste gas treatment device also comprises an ozone generating device 3 which is arranged on one side of the shell 1; ozone and waste gas enter the catalytic microporous block, are irradiated by the ultraviolet lamp tube, and are subjected to oxidation reaction in a synergic manner to degrade and convert odor gas substances into low molecular compounds, water and carbon dioxide, and finally are discharged through an opening at the upper part of the shell;
the exhaust gas treatment device further comprises a connecting pipe 5 communicating with the inside of the housing 1.
When the method is implemented, the advantages are shown; the invention has reasonable integral design and simple structure, the filter element preliminarily filters the waste gas, the active carbon plate adsorbs large-particle dust, the electrostatic plate adsorbs fine dust, ozone and the waste gas enter the catalytic microporous block and are irradiated by the ultraviolet lamp tube to cooperatively generate oxidation reaction to degrade and convert peculiar smell gas substances into low molecular compounds, water and carbon dioxide, and finally the peculiar smell gas substances are discharged through the upper opening of the shell, thereby avoiding the pollution to the air.
When the waste gas treatment device for drying the tobacco is implemented; micropores are uniformly processed on the surface of the micropore catalysis block 11, and a waste gas adsorbent is arranged in the wall of each micropore.
The exhaust gas adsorbent can be prepared in the following manner; the adhesive comprises the following components in parts by weight: 30-35 parts of activated carbon, 10-15 parts of coconut shell fiber, 5-10 parts of nano calcium carbonate, 10-12 parts of graphene, 2-3 parts of ethyl acetate, 90-120 parts of polyvinyl chloride, 1-2 parts of sodium bicarbonate, 8-10 parts of dicarboxyl phthalimide and 7-10 parts of silane coupling agent. The preparation method comprises the following steps: weighing the raw material components according to the formula proportion for later use; then uniformly mixing the polyvinyl chloride, sodium bicarbonate, dicarboxy phthalimide and a silane coupling agent, and preparing a dispersion liquid with water, wherein the mass concentration of the dispersion liquid is 42-45%; heating the dispersion to 60-65 ℃, and carrying out heat treatment for 5 hours; after evaporation and dehydration, cooling to normal temperature; then adding activated carbon, coconut fiber, nano calcium carbonate and graphene, and mixing; mixing at 1800rpm for 40-50min to obtain adsorbent product. By adding the substances such as sodium bicarbonate, polyvinyl chloride, dicarboxy phthalimide and the like, the speed of waste gas passing through the filler is increased, so that the waste gas adsorption efficiency is improved; compared with the existing waste gas adsorption material, the waste gas adsorbent provided by the invention has the following beneficial effects: the absorption rate of the adsorbent of the invention to sulfur dioxide, nitrogen dioxide, nitric oxide and tar particles is higher than 95%, and the absorption rate to hydrocarbons is higher than 90%.
When the waste gas treatment device for drying the tobacco is implemented; the activated carbon plate 7 has the same shape as the electrostatic plate 8.
When the waste gas treatment device for drying the tobacco is implemented; activated carbon plate 7 is provided with first mounting groove 14 with casing 1 junction, first mounting groove 14 and casing 1 fixed connection, first mounting groove 14 both sides are provided with buckle 13, buckle 13 and activated carbon plate 7 lock joint. The advantage is that it is convenient to dismantle the activated carbon plate 7 and change and clear up.
When the waste gas treatment device for drying the tobacco is implemented; a second mounting groove with the same structure as the first mounting groove 14 is formed at the joint of the electrostatic plate 8 and the shell 1; the advantage is that it is convenient to dismantle static board 8 and change and clear up.
When the waste gas treatment device for drying the tobacco is implemented; the shell 1 is a plastic shell or a stainless steel shell.
The use method of the waste gas treatment device for drying the tobacco comprises the following steps of; controlling and starting the first fan 9 and the second fan 10 to rotate so as to drive the air to flow; the waste gas to be treated enters from the lower opening of the shell 1 of the device, is filtered by the filter element 6 and then enters into the shell 1; adsorbing large particle dust in the exhaust gas by an activated carbon plate 7; then the electrostatic plate 8 absorbs and removes the fine particle dust in the waste gas, and the sterilization is carried out under the irradiation of the ultraviolet lamp 12; simultaneously, ozone is introduced, the waste gas and the ozone are mixed and enter the micropore catalytic block 11, and the high-energy UV light beam and the ozone carry out the synergistic decomposition and oxidation reaction on the odor gas, so that the odor gas is degraded and converted into low molecular compounds, water and carbon dioxide, and finally discharged.
Compared with the prior equipment, the invention has the following improvements and advantages;
the invention relates to a waste gas treatment device for drying tobacco, which comprises a shell 1, wherein openings are respectively formed at the upper part and the lower part of the shell 1; the waste gas treatment device also comprises a control switch 2, wherein the control switch 2 is arranged on the side surface of the shell 1; the waste gas treatment device also comprises a filter element 6, wherein the filter element 6 is used for carrying out preliminary filtration on the waste gas, and the filter element 6 is arranged at the opening at the lower part of the shell 1; the waste gas treatment device also comprises a plurality of activated carbon plates 7, the activated carbon plates 7 are used for adsorbing large-particle dust, and the activated carbon plates 7 are respectively arranged in the shell 1 and correspond to the upper part of the filter element 6; the waste gas treatment device also comprises a first fan 9 which is arranged in the shell 1 and corresponds to the upper part of the activated carbon plate 7; the waste gas treatment device also comprises a plurality of electrostatic plates 8, and fine dust is adsorbed by the electrostatic plates 8; the electrostatic plate 8 is arranged in the housing 1 and corresponds to the upper part of the first fan 9; the exhaust gas treatment device further comprises a second fan 10, wherein the second fan 10 is positioned in the housing 1 and corresponds to the upper part of the electrostatic plate 8; the waste gas treatment device also comprises a catalytic microporous block 11, wherein the catalytic microporous block 11 is arranged in the shell 1 and corresponds to the upper part of the second fan 10; the waste gas treatment device also comprises a dust screen 4 which is arranged at the opening of the upper part of the shell 1; the waste gas treatment device also comprises a plurality of ultraviolet lamp tubes 12 which are arranged between the catalysis microporous plate 11 and the second fan 10; the waste gas treatment device also comprises an ozone generating device 3 which is arranged on one side of the shell 1; ozone and waste gas enter the catalytic microporous block, are irradiated by the ultraviolet lamp tube, and are subjected to oxidation reaction in a synergic manner to degrade and convert odor gas substances into low molecular compounds, water and carbon dioxide, and finally are discharged through an opening at the upper part of the shell; the exhaust gas treatment device further comprises a connecting pipe 5 communicating with the inside of the housing 1. When the method is implemented, the advantages are shown; the invention has reasonable integral design and simple structure, the filter element preliminarily filters the waste gas, the active carbon plate adsorbs large-particle dust, the electrostatic plate adsorbs fine dust, ozone and the waste gas enter the catalytic microporous block and are irradiated by the ultraviolet lamp tube to cooperatively generate oxidation reaction to degrade and convert peculiar smell gas substances into low molecular compounds, water and carbon dioxide, and finally the peculiar smell gas substances are discharged through the upper opening of the shell, thereby avoiding the pollution to the air.
2, when the waste gas treatment device for drying the tobacco is implemented; micropores are uniformly processed on the surface of the micropore catalysis block 11, and a waste gas adsorbent is arranged in the wall of each micropore.
3, the exhaust gas adsorbent may be prepared in the following manner; the adhesive comprises the following components in parts by weight: 30-35 parts of activated carbon, 10-15 parts of coconut shell fiber, 5-10 parts of nano calcium carbonate, 10-12 parts of graphene, 2-3 parts of ethyl acetate, 90-120 parts of polyvinyl chloride, 1-2 parts of sodium bicarbonate, 8-10 parts of dicarboxyl phthalimide and 7-10 parts of silane coupling agent. The preparation method comprises the following steps: weighing the raw material components according to the formula proportion for later use; then uniformly mixing the polyvinyl chloride, sodium bicarbonate, dicarboxy phthalimide and a silane coupling agent, and preparing a dispersion liquid with water, wherein the mass concentration of the dispersion liquid is 42-45%; heating the dispersion to 60-65 ℃, and carrying out heat treatment for 5 hours; after evaporation and dehydration, cooling to normal temperature; then adding activated carbon, coconut fiber, nano calcium carbonate and graphene, and mixing; mixing at 1800rpm for 40-50min to obtain adsorbent product. By adding the substances such as sodium bicarbonate, polyvinyl chloride, dicarboxy phthalimide and the like, the speed of waste gas passing through the filler is increased, so that the waste gas adsorption efficiency is improved; compared with the existing waste gas adsorption material, the waste gas adsorbent provided by the invention has the following beneficial effects: the absorption rate of the adsorbent of the invention to sulfur dioxide, nitrogen dioxide, nitric oxide and tar particles is higher than 95%, and the absorption rate to hydrocarbons is higher than 90%.
4, when the waste gas treatment device for drying the tobacco is implemented; the activated carbon plate 7 has the same shape as the electrostatic plate 8.
5, when the waste gas treatment device for drying the tobacco is implemented; activated carbon plate 7 is provided with first mounting groove 14 with casing 1 junction, first mounting groove 14 and casing 1 fixed connection, first mounting groove 14 both sides are provided with buckle 13, buckle 13 and activated carbon plate 7 lock joint. The advantage is that it is convenient to dismantle the activated carbon plate 7 and change and clear up.
6, when the waste gas treatment device for drying the tobacco is implemented; a second mounting groove with the same structure as the first mounting groove 14 is formed at the joint of the electrostatic plate 8 and the shell 1; the advantage is that it is convenient to dismantle static board 8 and change and clear up.
7, when the waste gas treatment device for drying the tobacco is implemented; the shell 1 is a plastic shell or a stainless steel shell.
8, the use method of the waste gas treatment device for drying tobacco comprises the following steps of; controlling and starting the first fan 9 and the second fan 10 to rotate so as to drive the air to flow; the waste gas to be treated enters from the lower opening of the shell 1 of the device, is filtered by the filter element 6 and then enters into the shell 1; adsorbing large particle dust in the exhaust gas by an activated carbon plate 7; then the electrostatic plate 8 absorbs and removes the fine particle dust in the waste gas, and the sterilization is carried out under the irradiation of the ultraviolet lamp 12; simultaneously, ozone is introduced, the waste gas and the ozone are mixed and enter the micropore catalytic block 11, and the high-energy UV light beam and the ozone carry out the synergistic decomposition and oxidation reaction on the odor gas, so that the odor gas is degraded and converted into low molecular compounds, water and carbon dioxide, and finally discharged.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A waste gas treatment device for tobacco drying is characterized in that; the waste gas treatment device comprises a shell (1), wherein the upper part and the lower part of the shell (1) are respectively provided with an opening;
the waste gas treatment device also comprises a control switch (2), wherein the control switch (2) is arranged on the side surface of the shell (1);
the waste gas treatment device also comprises a filter element (6), wherein the filter element (6) is used for carrying out primary filtration on the waste gas, and the filter element (6) is arranged at an opening at the lower part of the shell (1);
the waste gas treatment device also comprises a plurality of activated carbon plates (7), wherein the activated carbon plates (7) are used for adsorbing large-particle dust, and the activated carbon plates (7) are respectively arranged in the shell (1) and correspond to the upper part of the filter element (6);
the waste gas treatment device also comprises a first fan (9) which is arranged in the shell (1) and corresponds to the upper part of the activated carbon plate (7);
the waste gas treatment device also comprises a plurality of electrostatic plates (8), and fine dust is adsorbed by the electrostatic plates (8); the electrostatic plate (8) is arranged in the shell (1) and corresponds to the upper part of the first fan (9);
the waste gas treatment device also comprises a second fan (10), wherein the second fan (10) is positioned in the shell (1) and corresponds to the upper part of the electrostatic plate (8);
the waste gas treatment device also comprises a catalytic microporous block (11), wherein the catalytic microporous block (11) is arranged in the shell (1) and corresponds to the upper part of the second fan (10);
the waste gas treatment device also comprises a dust screen (4) which is arranged at the opening of the upper part of the shell (1);
the waste gas treatment device also comprises a plurality of ultraviolet lamp tubes (12) which are arranged between the catalysis microporous plate (11) and the second fan (10);
the waste gas treatment device also comprises an ozone generating device (3) which is arranged on one side of the shell (1); ozone and waste gas enter the catalytic microporous block, are irradiated by the ultraviolet lamp tube, and are subjected to oxidation reaction in a synergic manner to degrade and convert odor gas substances into low molecular compounds, water and carbon dioxide, and finally are discharged through an opening at the upper part of the shell;
the exhaust gas treatment device also comprises a connecting pipe (5) which is communicated with the inside of the shell (1).
2. The exhaust gas treatment device for tobacco drying according to claim 1, wherein; micropores are uniformly processed on the surface of the micropore catalysis block (11), and a waste gas adsorbent is arranged in the wall of each micropore.
3. The exhaust gas treatment device for tobacco drying according to claim 2, wherein; the waste gas adsorbent comprises the following components in parts by weight: 30-35 parts of activated carbon, 10-15 parts of coconut shell fiber, 5-10 parts of nano calcium carbonate, 10-12 parts of graphene, 2-3 parts of ethyl acetate, 90-120 parts of polyvinyl chloride, 1-2 parts of sodium bicarbonate, 8-10 parts of dicarboxy phthalimide and 7-10 parts of silane coupling agent;
the preparation method comprises the following steps: weighing the raw material components according to the formula proportion for later use; then uniformly mixing the polyvinyl chloride, sodium bicarbonate, dicarboxy phthalimide and a silane coupling agent, and preparing a dispersion liquid with water, wherein the mass concentration of the dispersion liquid is 42-45%; heating the dispersion to 60-65 ℃, and carrying out heat treatment for 5 hours; after evaporation and dehydration, cooling to normal temperature; then adding activated carbon, coconut fiber, nano calcium carbonate and graphene, and mixing; mixing at 1800rpm for 40-50min to obtain adsorbent product.
4. The exhaust gas treatment device for tobacco drying according to claim 1, wherein; the shape of the activated carbon plate (7) is the same as that of the electrostatic plate (8).
5. The exhaust gas treatment device for tobacco drying according to claim 1 or 4, wherein; activated carbon plate (7) and casing (1) junction are provided with first mounting groove (14), first mounting groove (14) and casing (1) fixed connection, first mounting groove (14) both sides are provided with buckle (13), buckle (13) and activated carbon plate (7) lock joint.
6. The exhaust gas treatment device for tobacco drying according to claim 1 or 4, wherein; and a second mounting groove with the same structure as the first mounting groove (14) is arranged at the joint of the electrostatic plate (8) and the shell (1).
7. The exhaust gas treatment device for tobacco drying according to claim 1, wherein; the shell (1) is a plastic shell or a stainless steel shell.
8. A method of using the exhaust gas treatment device for tobacco drying according to claim 1, wherein; the use method is implemented as follows; controlling and starting the first fan (9) and the second fan (10) to rotate so as to drive the air to flow; the waste gas to be treated enters from the lower opening of the shell (1) of the device, is filtered by the filter element (6) and then enters into the shell (1); adsorbing large particle dust in the exhaust gas by an activated carbon plate (7); then, the electrostatic plate (8) is used for adsorbing and removing fine particle dust in the waste gas, and at the moment, sterilization is carried out under the irradiation of the ultraviolet lamp tube (12); simultaneously, ozone is introduced, the waste gas and the ozone are mixed and enter the micropore catalytic block (11), and the high-energy UV light beam and the ozone carry out the synergistic decomposition and oxidation reaction on the odor gas, so that the odor gas is degraded and converted into low molecular compounds, water and carbon dioxide, and finally discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110150672.0A CN112774388A (en) | 2021-02-04 | 2021-02-04 | Waste gas treatment device for tobacco drying and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110150672.0A CN112774388A (en) | 2021-02-04 | 2021-02-04 | Waste gas treatment device for tobacco drying and use method thereof |
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| CN112774388A true CN112774388A (en) | 2021-05-11 |
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| CN202110150672.0A Pending CN112774388A (en) | 2021-02-04 | 2021-02-04 | Waste gas treatment device for tobacco drying and use method thereof |
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