CN110772981A - Waste gas purification system for rubber tire - Google Patents
Waste gas purification system for rubber tire Download PDFInfo
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- CN110772981A CN110772981A CN201910943517.7A CN201910943517A CN110772981A CN 110772981 A CN110772981 A CN 110772981A CN 201910943517 A CN201910943517 A CN 201910943517A CN 110772981 A CN110772981 A CN 110772981A
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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
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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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
- B01D53/32—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 electrical effects other than those provided for in group B01D61/00
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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
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
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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
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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
- B01D2259/818—Employing electrical discharges or the generation of a plasma
Abstract
The invention belongs to the field of waste gas purification devices, and particularly relates to a rubber tire waste gas purification system which comprises a gas inlet pipeline for inlet waste gas, a bag type dust collector communicated with the gas inlet pipeline and used for removing dust in the waste gas, a deodorization washing device communicated with the bag type dust collector and used for removing water-soluble components in the waste gas, a suction filter type oil filter communicated with the deodorization washing device and used for removing oily substances in the waste gas, an ion-photocatalysis integrated device communicated with the suction filter type oil filter, a gas distribution device communicated with the ion-photocatalysis integrated device, a centrifugal fan communicated with the gas distribution device and used for sucking the waste gas, and an exhaust pipeline used for discharging the treated gas. According to the scheme, multiple devices are combined for assembly and multiple treatment processes are combined, so that the borne waste gas concentration and component load are larger, and the safety, stability and reliability of the system operation process are ensured. And through multi-level processing waste gas, make waste gas purification more thorough, the treatment effect is better.
Description
Technical Field
The invention belongs to the field of waste gas purification devices, and particularly relates to a waste gas purification system for a rubber tire.
Background
The rubber tire factory internal mixer mainly comprises a feeding port and a discharging port, and the waste gas pollution factors are carbon black dust, trimethylbenzene, butanone, acetaldehyde, toluene, dimethylbenzene, trimethylbenzene, ethylbenzene, non-methane total hydrocarbon, malodor and other pollutants. The pollution intensity of the waste gas is large, the discharge amount of the waste gas is large, the pollution components are complex and variable, especially, certain dust and stink components in the waste gas easily cause large pollution to the surrounding environment and the plant area environment, and the phenomenon of disturbing residents is difficult to avoid.
Generally, the exhaust gas exists in three forms, namely solid, liquid and gaseous, and more in gaseous form. In recent years, domestic advanced technologies are vigorously developed and actively introduced, and the overall structure of the environmental protection industry is gradually improved. Especially, the treatment technology of waste gas and malodorous gas has more advanced development and wide application. At present, the odor treatment technologies applied at home and abroad mainly include a dry neutralization method, a composite photocatalysis method, an ion deodorization method, an absorption method, an adsorption method, a microbial degradation method, a composite active oxygen method, a micronutrient element decomposition method, a combustion method, a condensation method and the like. However, in the case of waste gas with complex components and high concentration, the waste gas cannot be purified well by a single process or equipment, so that more peculiar smell still remains in the treated gas, and the purification effect is poor.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a rubber tire waste gas purification system, which comprises a gas inlet pipeline for inlet waste gas, a bag type dust collector communicated with the gas inlet pipeline and used for removing dust in the waste gas, a deodorization washing device communicated with the bag type dust collector and used for removing water-soluble components in the waste gas, a suction filter type oil filter communicated with the deodorization washing device and used for removing oil substances in the waste gas, an ion-photocatalysis integrated device communicated with the suction filter type oil filter, a gas distribution device communicated with the ion-photocatalysis integrated device, a centrifugal fan communicated with the gas distribution device and used for sucking the waste gas, and an exhaust pipeline for discharging the treated gas. According to the scheme, multiple devices are combined for assembly and multiple treatment processes are combined, so that the borne waste gas concentration and component load are larger, and the safety, stability and reliability of the system operation process are ensured. And through multi-level processing waste gas, make waste gas purification more thorough, the treatment effect is better.
The purpose of the invention is realized by adopting the following technical scheme:
the rubber tire waste gas purification system comprises an air inlet pipeline for inlet waste gas, a bag-type dust collector communicated with the air inlet pipeline and used for removing dust in the waste gas, a deodorization and washing device communicated with the bag-type dust collector and used for removing water-soluble components in the waste gas, a suction filter type oil filter communicated with the deodorization and washing device and used for removing oily substances in the waste gas, an ion-photocatalysis integrated device communicated with the suction filter type oil filter, an air distribution device communicated with the ion-photocatalysis integrated device, a centrifugal fan communicated with the air distribution device and used for sucking the waste gas and an exhaust pipeline used for discharging the treated gas.
Furthermore, the bag-type dust collector comprises a dust hopper for receiving dust, a box body communicated with the dust hopper and a pulse device arranged at the upper end of the box body, the box body is divided into a lower box body communicated with the air inlet and the dust hopper through two partition plates, a middle box body communicated with the lower box body and an upper box body arranged at the top and communicated with the air outlet, a plurality of filter bags for separating the dust are suspended on the middle box body, and the plurality of filter bags are all communicated with the pulse device.
Further, the lower box body is funnel-shaped, and the small end of the opening is communicated with the funnel.
Furthermore, the deodorization washing device comprises a circulating water tank communicated with the air inlet pipeline and arranged at the bottom, a filler tank arranged above the circulating water tank at intervals, a spraying structure arranged on the upper portion, a defogging device arranged above the spraying structure and an exhaust funnel, wherein waste gas sequentially passes through the circulating water tank, the filler tank, the defogging device and the exhaust funnel.
Further, the suction filter type oil filter comprises a suction filter chip, the suction filter chip comprises a shell and a filter core chip arranged in the shell, the shell is made of 304 stainless steel, and the filter core chip is made of alloy wire filter materials.
Further, the filter element chip is of a honeycomb type three-dimensional net structure.
Further, the ion-photocatalysis integrated device comprises a plasma unit for enabling gas to generate electrons and a photocatalysis unit for enabling the gas to be subjected to photocatalysis degradation, wherein the plasma unit and the photocatalysis unit are communicated with each other, and an ultraviolet tube is adopted as a photocatalysis tube of the photocatalysis unit.
Further, the gas distribution device comprises a peculiar smell control box, the peculiar smell control box is communicated with the ion-photocatalysis integrated device through a wind pipe, and a deodorization membrane is placed in the peculiar smell control box.
Furthermore, the exhaust pipeline is vertically arranged, treated gas enters from the bottom of the exhaust pipeline and is discharged from the top of the exhaust pipeline, and the length of the exhaust pipeline is larger than 15 m.
Further, the centrifugal fan adopts a medium-low pressure centrifugal fan, and the rubber tire waste gas purification system is made of stainless steel materials.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a rubber tire waste gas purification system, which comprises an air inlet pipeline for inlet waste gas, a bag type dust collector communicated with the air inlet pipeline and used for removing dust in the waste gas, a deodorization washing device communicated with the bag type dust collector and used for removing water-soluble components in the waste gas, a suction filter type oil filter communicated with the deodorization washing device and used for removing oily substances in the waste gas, an ion-photocatalysis integrated device communicated with the suction filter type oil filter, an air distribution device communicated with the ion-photocatalysis integrated device, a centrifugal fan communicated with the air distribution device and used for sucking the waste gas and an exhaust pipeline used for discharging the treated gas. According to the scheme, multiple devices are combined for assembly and multiple treatment processes are combined, so that the borne waste gas concentration and component load are larger, and the safety, stability and reliability of the system operation process are ensured. And through multi-level processing waste gas, make waste gas purification more thorough, the treatment effect is better.
Drawings
Fig. 1 is a schematic configuration diagram of a preferred embodiment of the exhaust gas purification system for a rubber tire of the present invention.
In the figure: 1. a rubber tire exhaust gas purification system; 2. an air intake duct; 3. a bag filter; 4. a deodorizing and washing device; 5. a suction filter type oil filter; 6. an ion-photocatalytic integrated device; 7. a gas distribution device; 71. a peculiar smell control box; 8. a centrifugal fan; 9. an exhaust duct.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
As shown in fig. 1, the system 1 for purifying waste gas from a rubber tire of the present invention includes an inlet pipe 2 for feeding waste gas, a bag filter 3 communicating with the inlet pipe 2 and removing dust in the waste gas, a deodorizing and washing device 4 communicating with the bag filter 3 and removing water-soluble components in the waste gas, a suction filter 5 communicating with the deodorizing and washing device 4 and removing oil-containing substances in the waste gas, an ion-photocatalytic integrated device 6 communicating with the suction filter 5, an air distribution device 7 communicating with the ion-photocatalytic integrated device, a centrifugal fan 8 communicating with the air distribution device 7 and sucking the waste gas, and an exhaust pipe 9 for discharging the treated gas. According to the scheme, multiple devices are combined for assembly and multiple treatment processes are combined, so that the borne waste gas concentration and component load are larger, and the safety, stability and reliability of the system operation process are ensured. And through multi-level processing waste gas, make waste gas purification more thorough, the treatment effect is better. The centrifugal fan 8 adopts a medium-low pressure centrifugal fan 8, so that the adjustment of a frequency converter can be realized, the air quantity can be adjusted according to the actual operation requirement, and the energy conservation and consumption reduction can be realized. The rubber tire waste gas purification system 1 is made of stainless steel materials, and the appearance and the service life of the system are guaranteed to the maximum extent.
The bag-type dust collector 3 in this embodiment includes a dust hopper for receiving dust, a box body communicated with the dust hopper, and a pulse device arranged at the upper end of the box body, the box body is divided into a lower box body communicated with the air inlet and the dust hopper, a middle box body communicated with the lower box body, and an upper box body arranged at the top and communicated with the air outlet by two partition plates, the middle box body is suspended with a plurality of filter bags for separating dust, and the filter bags are all communicated with the pulse device. Wherein the lower box body is funnel-shaped, and the small end of opening is communicated with the funnel. The bag-type dust collector 3 in the scheme is mainly used for removing carbon black, particles and dust in waste gas.
Because the female closed machine feed inlet that smelts contains a large amount of dust particulate matters usually, these granule particle diameters are little, and it is inside in the workshop to scatter easily, not only can influence the operation of equipment, also can influence operating personnel's mental health simultaneously. For this purpose, the combined exhaust gas is sent to a bag filter 3 for primary treatment along an inlet duct 2 by a fan. When the dust-containing gas separation device works, dust-containing gas enters from the air inlet, and when the dust-containing gas passes through the dust hopper, part of large-particle dust in the gas is separated out under the action of inertia force and directly falls into the bottom of the dust hopper. The dust-containing gas enters the bag filtering area of the middle box body after passing through the dust hopper, the gas passes through the filter bag, and fine dust is blocked on the surface of the filter bag. The dedusted gas enters the upper box body through the filter bag opening and is then discharged from the air outlet.
Along with the extension of the filtering time, the dust layer on the filter bag is continuously accumulated and thick, the resistance of the bag-type dust collector 3 is continuously increased, and when the resistance of the equipment is increased to a set value, the dust removal is started by the dust removal coordination. The ash cleaning process is to cut off the air duct at the clean air outlet of the chamber to make the cloth bag in the state of no air flow passing through (air stopping and ash cleaning in different chambers). Then, a pulse device is started to perform pulse blowing ash removal by using compressed air, the compressed air rapidly expands in the upper box body in a very short time and then flows into the filter bag, so that the filter bag expands and deforms to generate vibration, and under the action of reverse air flow scouring, dust attached to the outer surface of the filter bag is peeled off and falls into an ash hopper. The closing time of the stop valve is enough to ensure that the dust stripped from the filter bag is settled to the dust hopper after being injected, so that the phenomenon that the dust is attached to the surface of the adjacent filter bag along with the air flow after being separated from the surface of the filter bag is avoided, and the filter bag can thoroughly clean the dust.
The deodorization washing device 4 in this embodiment includes a circulation tank communicated with the air inlet pipe 2 and disposed at the bottom, a packing pool disposed above the circulation tank at an interval, a spray structure disposed at the upper portion, and a defogging device and an exhaust funnel disposed above the spray structure, and the exhaust gas sequentially passes through the circulation tank, the packing pool, the defogging device and the exhaust funnel. The device has the main functions of treating part of water-soluble components and biodegradable components in the waste gas and effectively reducing the concentration of peculiar smell.
The during operation, waste gas after bag collector 3 handles is sent to deodorant liquid washing unit, the gaseous circulation tank that passes through the below after the dust removal, make gaseous earlier fully contact with the washing liquid in the circulation tank, because the nature of gas itself can continue upwards to promote, through the filler pond of top, spray the washing liquid suction back from the top in the circulation tank that the structure lasts this moment and spray, when gaseous when the filler pond, thereby the gas-liquid mass transfer medium in the filler pond can carry out the cutting of diversified multi-angle to gas and guarantee gaseous and the abundant contact of washing liquid and reaction.
Wherein the washing solution comprises New Bio-C plant extract. The NEW BIO-C plant extract contains deodorizing particles, the surfaces of which can not only effectively adsorb the peculiar smell molecules in the air, but also promote the change of the spatial configuration of the adsorbed peculiar smell molecules. The deodorizing particles can provide electrons for odor molecules to accelerate the reaction with the odor molecules; the surface energy can adsorb odor molecules in the air, and the three-dimensional structure in the odor molecules is changed and becomes unstable; meanwhile, odor molecules adsorbed on the surfaces of the deodorizing particles can also react with oxygen in the air. The detailed process is as follows:
acid-base reaction, for example, the deodorized particles contain trace alkaloid which can react with acidic odor molecules such as hydrogen sulfide. Unlike typical acid-base reactions, typical bases are toxic, inedible, and not biodegradable. The high-purity plant extract can be biodegraded and is nontoxic.
Catalytic oxidation reactions, such as hydrogen sulfide and other acidic gases, typically do not react with oxygen in the air. But can react with oxygen in the air under the catalysis of the plant extract. Taking the reaction of hydrogen sulfide as an example:
R-NH
2+H
2S→R-NH
3++SH
-
R-NH
2+SH
-+O
2+H
2O→R-NH
3+SO
4 2-+OH
-
R-NH
3++OH
-→R-NH
2+H
2O
redox reactions, such as formaldehyde, are oxidative and available molecules in the vegetation liquor are reductive. They can be reacted directly. Reaction with formaldehyde and ammonia:
HR-NH
2+HCHO→R-HN
2+H-C＝CO
2+H
2O
R-NH
2+NH
3→R-NH
2+N
2+H
2O
wherein the demisting device is positioned at the top end of the deodorization washing device 4, when the gas with mist rises through the spraying washing layer at a certain speed, the mist collides with the chemical washing layer and is attached to the surface of the chemical washing layer due to the inertia effect of rising mist. The dispersion of the mist on the surface of the chemical cleaning layer and the gravity sedimentation of the mist enable the mist to form larger liquid drops and gather together. The liquid drops are larger and larger due to the wettability of the chemical washing layer, the surface tension of the liquid and the capillary action of the chemical washing layer, and the liquid drops are separated from the chemical washing layer and fall down until the gathered liquid drops are large enough that the gravity generated by the gathered liquid drops exceeds the resultant force of the rising force of the gas and the surface tension of the liquid. After passing the gas through the demisting device, the gas is substantially free of entrainment. The device has the advantages of separating the mist in the gas, improving the operation condition, optimizing the process index, reducing the corrosion of the equipment, prolonging the service life of the equipment, increasing the treatment capacity, recovering valuable materials, protecting the environment, reducing the atmospheric pollution and the like. The device has simple structure, small volume, high dust removal and dehydration efficiency, small resistance, light weight and convenient installation, operation and maintenance, and the chemical washing device has the collection efficiency of 98-99.8 percent for the mist with the particle size of more than or equal to 3-5 um.
The suction filter 5 in this embodiment mainly removes flue gas and oil (chemical oil or sludge) having a large particle size in exhaust gas. The exhaust gas treated by the bag filter is sent to a suction filter 5 for degreasing. When the waste gas containing oil aerosol particles passes through, the waste gas collides with the suction filter chip of the suction filter type oil filter 5, and large oily particles are adhered to the surface of the suction filter chip to realize oil-gas separation, so that the waste gas is purified.
The core of the suction filter type oil filter 5 is a suction filter chip which is a special filtering and adsorbing material, the shell is made of high-temperature-resistant and corrosion-resistant SUS304(304 stainless steel), the inner filter core chip is made of alloy wire filter materials, and special units which are extremely fine in gaps and are designed in a labyrinth honeycomb mode are arranged inside the filter chip and are of a three-dimensional net structure, so that the filter chip has the characteristics of high porosity (more than 95%), good tensile strength and moderate pore size, the flow resistance is reduced, the storage capacity of oil is increased, and the contradiction between purification and ventilation is effectively solved. When waste gas of oily aerosol particles passes through, the waste gas collides with the purification filter element sheet, large oily particles are adhered to the surface of the filter element sheet, most oily particles are adsorbed on the filter element sheet when the waste gas passes through the filter element, and residual oily molecules of fine particles are rapidly collided for many times due to rapid time change of filtering speed when passing through the inside of the labyrinth and superfine gap chip, and the oily molecules of the fine particles are adhered to the wall of the chip and are settled under the action of gravity in the advancing process of air flow to be purified.
The ion-photocatalytic integrated type device 6 in the present embodiment includes a plasma unit for causing gas to generate electrons and a photocatalytic unit for causing gas to undergo photocatalytic degradation, the plasma unit and the photocatalytic unit being in communication with each other.
1. Low-temperature plasma section:
plasma is the fourth form of species present. It is composed of electrons, ions, neutral atoms, excited atoms, photons, free radicals, etc. and is a conductive fluid. The main mechanism of the plasma purification technology is as follows: under the action of an external electric field, electrons get energy and then start to move in an accelerated manner to impact odor gas molecules at a speed of 300 to 3000 ten thousand times per second, when the energy of the electrons is the same as or slightly larger than the energy of a certain chemical bond of the odor gas molecules, inelastic collision occurs, and the electrons convert most kinetic energy into the internal energy of pollutant molecules, so that a series of complex physical and chemical reactions such as ionization, cracking or excitation and the like are initiated to the pollutant molecules, and the chemical bonds of the odor-generating groups are broken, thereby achieving the aim of deodorization.
The plasma method is characterized in that the organic hydrocarbon molecules with peculiar smell are ionized into H + and C4+ plasmas at a certain temperature by a molecular exciter, using high frequency and high voltage and adopting the principle of molecular resonance.
The H +, C4+ plasma enters the catalyst reaction tank and is oxidized into water and carbon dioxide.
4H
++O
2＝2H
2O
C
4++O
2+CO
2
2. A composite photocatalytic section:
the composite photocatalysis device is divided into an efficient pretreatment section and a composite photocatalysis section which are usually integrated, so that the occupied area and the installation workload can be effectively reduced. The high-efficiency pretreatment section is mainly formed by combining modularized professional composite fibers and mainly used for treating each component of waste gas so as to adsorb and remove harmful chemical gas in the waste gas, reduce the pressure of rear-end treatment and improve the waste gas treatment efficiency.
Ultraviolet lamp with specific wavelength is used as light energy donor for photocatalytic oxidation, and the photocatalyst nano particle can be excited to generate electron-hole pair and hole decomposing catalyst under the irradiation of ultraviolet light with certain wavelength. The photocatalytic oxidation of TiO2 is active hydroxyl (OH) and other active oxidation species (O)
2-，·OOH，H
2O
2) The result of the combined action. In TiO
2The OH group generated on the surface has high reactivity and reaction energy higher than that of various chemical bond energies in organic matters, and is added with O
2 -，·OOH，H
2O
2The synergistic effect of the active oxidation substances can quickly and effectively decompose the organic substances.
The rough reaction mechanism is:
H
2S+O
2、O
2-、O
2+→SO
3+H
2O
NH
3+O
2、O
2-、O
2+→NOx+H
2O
VOCs+O
2、O
2-、O
2+→SO
3+CO
2+H
2O
in the embodiment, the gas distribution device 7 comprises a peculiar smell control box 71, the peculiar smell control box 71 is communicated with the ion-photocatalysis integrated device 6 through a wind pipe, and a deodorization membrane is placed in the peculiar smell control box 71. The deodorizing membrane is a ZIKE one-way deodorizing dialysis membrane, is a world patent product developed and produced by Vaportek corporation of America, is imported from original United states, meets the requirements of international environment-friendly green products, is accompanied by American safe and harmless certification (M.S.D.S.) except the characteristic that natural components have natural recession, is specially recommended to be used by the Japan society for researching and treating odor countermeasures, and is proved to be safe and harmless by the safety inspection of Guangdong province disease prevention and control center and the Guangdong province microorganism analysis and detection center.
The adopted dry neutralization method mainly takes a Vaportek odor controller as core equipment and a Vaportek deodorization membrane as a main deodorization unit. Odor removing particles are uniformly distributed on the surface of the membrane through VP, and the odor is rapidly removed by utilizing the air convection power, and meanwhile, other external substances cannot be sucked, so that the naturalness of the plant extracting solution is kept forever. The deodorizing particles in the waste gas can quickly and actively capture the odor gas molecules in the air and wrap the odor particles. The common odor molecules are mostly small molecular organic matters (esters, alcohols, aromatic hydrocarbons and the like), and also comprise part of inorganic small molecules such as ozone, ammonia, hydrogen sulfide, hydrocarbons and the like, and the odor molecules have high activity on the surface of olfactory cells and strong irritation, and still have strong olfactory pollution capacity even under the premise that the concentration of each odor component reaches the standard and is discharged, namely the odor molecules have the characteristics of low pollution concentration and high odor intensity. Vaportek particles are natural oily deodorized molecules, and the particles are in non-covalent combination with odor molecules through intermolecular nonpolar interaction, so that the molecules are greatly stabilized, and the activity and the irritation of the molecules are reduced. Further, the increase in specific gravity after the binding is solved by the sedimentation effect. The process is different from chemical reaction process to generate a third substance and masking effect, does not cause secondary pollution, and can thoroughly remove odor.
The exhaust pipeline 9 in this embodiment is vertically arranged, the treated gas enters from the bottom of the exhaust pipeline 9 and is discharged from the top of the exhaust pipeline 9, and the length of the exhaust pipeline 9 is greater than 15 m. The high discharge is realized.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. Rubber tire waste gas purification system, its characterized in that: the device comprises an air inlet pipeline for feeding waste gas, a bag type dust collector communicated with the air inlet pipeline and used for removing dust in the waste gas, a deodorization washing device communicated with the bag type dust collector and used for removing water-soluble components in the waste gas, a suction filter type oil filter communicated with the deodorization washing device and used for removing oily substances in the waste gas, an ion-photocatalysis integrated device communicated with the suction filter type oil filter, an air distribution device communicated with the ion-photocatalysis integrated device, a centrifugal fan communicated with the air distribution device and used for sucking the waste gas and an exhaust pipeline used for discharging the treated gas.
2. The rubber tire off-gas purification system as recited in claim 1, wherein: the cloth bag type dust collector comprises a dust hopper for receiving dust, a box body communicated with the dust hopper and a pulse device arranged at the upper end of the box body, the box body is divided into a lower box body communicated with the dust hopper and an air inlet through two partition plates, a middle box body communicated with the lower box body and an upper box body arranged at the top and communicated with an air outlet, a plurality of filter bags for separating the dust are hung on the middle box body, and the plurality of filter bags are communicated with the pulse device.
3. The exhaust gas purification system for rubber tires according to claim 2, wherein: the lower box body is funnel-shaped, and the small end of opening is communicated with the funnel.
4. The rubber tire off-gas purification system as recited in claim 1, wherein: the deodorization washing device comprises a circulating water tank, a filler pond, a spraying structure, a defogging device and an exhaust funnel, wherein the circulating water tank is communicated with the air inlet pipeline and is arranged at the bottom of the deodorizing washing device, the filler pond is arranged above the circulating water tank at intervals, the spraying structure is arranged on the upper portion of the circulating water tank, the defogging device and the exhaust funnel are arranged above the spraying structure, and waste gas sequentially passes through the circulating water tank, the filler pond, the defogging device and the.
5. The rubber tire off-gas purification system as recited in claim 1, wherein: the suction filter comprises a suction filter chip, the suction filter chip comprises a shell and a filter core chip arranged in the shell, the shell is made of 304 stainless steel, and the filter core chip is made of alloy wire filter materials.
6. The exhaust gas purifying system for a rubber tire according to claim 5, wherein: the filter element chip is of a honeycomb type three-dimensional net structure.
7. The rubber tire off-gas purification system as recited in claim 1, wherein: the ion-photocatalysis integrated device comprises a plasma unit for enabling gas to generate electrons and a photocatalysis unit for enabling the gas to be subjected to photocatalysis degradation, wherein the plasma unit and the photocatalysis unit are communicated with each other, and an ultraviolet tube is adopted as a photocatalysis tube of the photocatalysis unit.
8. The rubber tire off-gas purification system as recited in claim 1, wherein: the gas distribution device comprises a peculiar smell control box, the peculiar smell control box is communicated with the ion-photocatalysis integrated device through a wind pipe, and a deodorization membrane is placed in the peculiar smell control box.
9. The rubber tire off-gas purification system as recited in claim 1, wherein: the exhaust pipeline is vertically arranged, treated gas enters from the bottom of the exhaust pipeline and is discharged from the top of the exhaust pipeline, and the length of the exhaust pipeline is larger than 15 m.
10. The rubber tire off-gas purification system as recited in claim 1, wherein: the centrifugal fan adopts a medium-low pressure centrifugal fan, and the rubber tire waste gas purification system is made of stainless steel materials.
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| CN201910943517.7A CN110772981A (en) | 2019-09-30 | 2019-09-30 | Waste gas purification system for rubber tire |
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|---|---|---|---|
| CN201910943517.7A CN110772981A (en) | 2019-09-30 | 2019-09-30 | Waste gas purification system for rubber tire |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112121627A (en) * | 2020-09-10 | 2020-12-25 | 山东钢铁集团日照有限公司 | Odor treatment method based on coking ammonia distillation wastewater treatment device |
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Application publication date: 20200211 |