CN105381677A - Waste plastic granulation exhaust gas treatment system - Google Patents
Waste plastic granulation exhaust gas treatment system Download PDFInfo
- Publication number
- CN105381677A CN105381677A CN201510924785.6A CN201510924785A CN105381677A CN 105381677 A CN105381677 A CN 105381677A CN 201510924785 A CN201510924785 A CN 201510924785A CN 105381677 A CN105381677 A CN 105381677A
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- CN
- China
- Prior art keywords
- exhaust gas
- spray equipment
- gas treatment
- temperature plasma
- tank body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- 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
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7027—Aromatic hydrocarbons
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a waste plastic granulation exhaust gas treatment system. The system comprises a swirl-flow washing device and a low temperature plasma organic exhaust gas treatment device, the swirl-flow washing device comprises a tank body, the top of the tank body is provided with a gas outlet, and a separator plate, a gas distributor, a first swirl flow plate, a first spraying device, a second swirl flow plate, a second spraying device, a Pall ring packing layer and a third spraying device are sequentially alternately arranged in the tank body from bottom to top; and the gas inlet of the low temperature plasma organic exhaust gas treatment device is connected with the gas outlet of the swirl-flow washing device through a pipeline, and the gas outlet of the low temperature plasma organic exhaust gas treatment device is connected with a centrifuge fan through a pipeline. The system first removes water-soluble substances in the exhaust gas through the swirl-flow washing device and then cracks and oxidizes organic macromolecules in the exhaust gas through the low temperature plasma organic exhaust gas treatment device, so the exhaust gas generated in the waste plastic granulation process is effectively treated.
Description
Technical field
The invention belongs to technical field of waste gas treatment, be specifically related to a kind of waste plastic granulation exhaust treatment system.
Background technology
The demand of the modern life to plastics is increasing, and the regeneration of waste or used plastics also becomes trend, technics of reclaim of plastic waste is washed granulation be a kind ofly to turn waste into wealth, way that resource re-uses.But in regeneration and granulation process, when temperature is more than 200 DEG C, the low boiling impurity of plasticizer and inside, can oxidation Decomposition be there is, produce a large amount of pernicious gas containing dust granules, wherein containing more organic substance, as benzene, toluene, styrene, chlorinated organics etc., these pernicious gases have contaminative, are directly discharged in air and not only can cause actual bodily harm to staff, also pollute the environment simultaneously.
This type of is contained to the exhaust-gas treatment of organic substance, usually adopt the methods such as acid-alkali washing, charcoal absorption, catalytic combustion.But acid-alkali washing treatment effeciency is not high, active carbon absorption has active carbon frequently to change or regenerates problem costly, and the equipment cost of catalytic combustion is higher, is therefore necessary the treatment system designing the new applicable old plastic granulating exhaust-gas treatment of research and development.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of waste plastic granulation exhaust treatment system is provided.
The present invention is achieved by the following technical solutions:
A kind of waste plastic granulation exhaust treatment system, comprises eddy flow wash mill and low-temperature plasma organic waste gas treatment device,
Described eddy flow wash mill comprises a tank body, the top of tank body is provided with gas outlet, alternately successively from bottom to up in the inside of tank body is provided with dividing plate, gas distributor, the first spiral board, the first spray equipment, the second spiral board, the second spray equipment, Pall ring filler layer and the 3rd spray equipment; Dividing plate is provided with a scupper, the tank skin below dividing plate is provided with one and is recycled into the mouth of a river, be recycled into the mouth of a river and be connected with the 3rd spray equipment with the first spray equipment, the second spray equipment respectively by pipeline; First spiral board and the second spiral board are coaxially fixed on axle, and one end of axle is connected with the motor on tank body top; Tank skin between dividing plate and gas distributor is provided with at least one air inlet;
The air inlet of low-temperature plasma organic waste gas treatment device is connected by pipeline with the gas outlet of eddy flow wash mill, and the gas outlet of low-temperature plasma organic waste gas treatment device is connected with centrifugal blower by pipeline.
In technique scheme, be provided with gripper shoe below described Pall ring filler layer, Pall ring filler is stacked on support plate.
Advantage of the present invention and beneficial effect are:
During use, first waste gas enter into tank interior, then waste gas evenly upwards disperses through gas distributor, and gas is successively by the first spiral board and the second spiral board afterwards, and the particle in gas is when by the first spiral board and the second spiral board, merge with atomizing spray liquid, be attached on spiral board, and through the centrifugal action of spiral board, particle be thrown to tank skin, and flow at the bottom of tank with tank skin, tentatively to remove the water-soluble dust granules thing contained in waste gas; Gas is by Pall ring filler layer and the 3rd spray equipment afterwards, the spray liquid of the 3rd spray equipment is sprayed onto Pall ring filler layer, Pall ring filler layer is as the mass transfer media of gas-liquid two-phase Contact, waste gas is fully contacted with spray liquid at filling surface, thus removes short grained water-soluble substances residual in waste gas further.Enter into after gas after the process of eddy flow wash mill in low-temperature plasma organic waste gas treatment device, low-temperature plasma organic waste gas treatment device adopts double-dielectric barrier discharge, produce highdensity high energy electron, ion, free radical etc., organic macromolecule in pyrolysis oxidization waste gas, be degraded to stable, free of contamination compound, as CO
2, H
2o, N
2and other small-molecule substances.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein: a is eddy flow wash mill, a-1 is air inlet, a-2 is dividing plate, a-3 is scupper, a-4 is for being recycled into the mouth of a river, a-5 is water circulating pump, a-6 is gas distributor, a-7 is the first spiral board, a-8 is the second spiral board, a-9 is the first spray equipment, a-10 is the second spray equipment, a-11 is gripper shoe, a-12 is Pall ring filler layer, a-13 is the 3rd spray equipment, a-14 is motor, a-15 is axle, a-16 is gas outlet, b is low-temperature plasma organic waste gas treatment device, b-1 is the air inlet of low-temperature plasma organic waste gas treatment device, b-2 is the gas outlet of low-temperature plasma organic waste gas treatment device, c is centrifugal blower.
Detailed description of the invention
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
A kind of waste plastic granulation exhaust treatment system involved in the present invention, comprises eddy flow wash mill a and low-temperature plasma organic waste gas treatment device b,
Described eddy flow wash mill a comprises a tank body (or tower body), tank body is vertically arranged, the top of tank body is provided with gas outlet a-16, alternately successively from bottom to up in the inside of tank body is provided with dividing plate a-2, gas distributor a-6, the first spiral board a-7, the first spray equipment a-9, the second spiral board a-8, the second spray equipment a-10, Pall ring filler layer a-12 and the 3rd spray equipment a-13, be provided with gripper shoe a-11 below described Pall ring filler layer a-12, Pall ring filler is stacked on support plate a-11 with disordered fashion, described dividing plate a-2 level is fixed in inner tank wall, dividing plate a-2 leaves a scupper a-3, tank skin below dividing plate is provided with one and is recycled into mouth of a river a-4, be recycled into mouth of a river a-4 by pipeline respectively with the first spray equipment a-9, second spray equipment a-10 is connected with the 3rd spray equipment a-13, and be recycled into mouth of a river a-4 and the first spray equipment a-9, the pipeline that second spray equipment a-10 is connected with the 3rd spray equipment a-13 is provided with water circulating pump a-5, the water of tank base is made to feed the first spray equipment by water circulating pump a-5, (tank base is equipped with water in advance for second spray equipment and the 3rd spray equipment, the height of water is no more than dividing plate), the liquid of three spray equipment ejections is back to tank base through scupper a-3 simultaneously, circulated sprinkling is formed with this, first spiral board and the second spiral board are coaxially fixed on axle a-15, and one end of axle a-15 is connected with the motor a-14 on tank body top, and motor a-14 drives the first spiral board a-7 and the second spiral board a-8 to rotate by axle, tank skin between dividing plate a-2 and gas distributor a-6 is provided with at least one air inlet a-1,
The air inlet b-1 of low-temperature plasma organic waste gas treatment device is connected by pipeline with the gas outlet a-16 of eddy flow wash mill, and the gas outlet b-2 of low-temperature plasma organic waste gas treatment device is connected with centrifugal blower c by pipeline.
During use, it is inner that first waste gas enter into eddy flow wash mill, then waste gas evenly upwards disperses through gas distributor a-6, gas is successively by the first spiral board a-7 and the second spiral board a-8 afterwards, particle in gas is when by the first spiral board a-7 and the second spiral board a-8, merge with atomizing spray liquid, be attached on spiral board, and through the centrifugal action of spiral board, particle is made to be thrown to tank skin, and flow at the bottom of tank with tank skin, tentatively to remove the water-soluble dust granules thing contained in waste gas; Gas is by Pall ring filler layer a-12 and the 3rd spray equipment a-13 afterwards, the spray liquid of described 3rd spray equipment is sprayed onto Pall ring filler layer, Pall ring filler layer is as the mass transfer media of gas-liquid two-phase Contact, waste gas is fully contacted with spray liquid at filling surface, thus removes short grained water-soluble substances residual in waste gas further.Enter in low-temperature plasma organic waste gas treatment device b after gas after the process of eddy flow wash mill, low-temperature plasma organic waste gas treatment device adopts double-dielectric barrier discharge, produce highdensity high energy electron, ion, free radical etc., organic macromolecule in pyrolysis oxidization waste gas, be degraded to stable, free of contamination compound, as CO
2, H
2o, N
2and other small-molecule substances.
Above to invention has been exemplary description; should be noted that; when not departing from core of the present invention, any simple distortion, amendment or other those skilled in the art can not spend the equivalent replacement of creative work all to fall into protection scope of the present invention.
Claims (2)
1. a waste plastic granulation exhaust treatment system, is characterized in that: comprise eddy flow wash mill and low-temperature plasma organic waste gas treatment device,
Described eddy flow wash mill comprises a tank body, the top of tank body is provided with gas outlet, alternately successively from bottom to up in the inside of tank body is provided with dividing plate, gas distributor, the first spiral board, the first spray equipment, the second spiral board, the second spray equipment, Pall ring filler layer and the 3rd spray equipment; Dividing plate is provided with a scupper, the tank skin below dividing plate is provided with one and is recycled into the mouth of a river, be recycled into the mouth of a river and be connected with the 3rd spray equipment with the first spray equipment, the second spray equipment respectively by pipeline; First spiral board and the second spiral board are coaxially fixed on axle, and one end of axle is connected with the motor on tank body top; Tank skin between dividing plate and gas distributor is provided with at least one air inlet;
The air inlet of low-temperature plasma organic waste gas treatment device is connected by pipeline with the gas outlet of eddy flow wash mill, and the gas outlet of low-temperature plasma organic waste gas treatment device is connected with centrifugal blower by pipeline.
2. waste plastic granulation exhaust treatment system according to claim 1, is characterized in that: be provided with gripper shoe below described Pall ring filler layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510924785.6A CN105381677A (en) | 2015-12-11 | 2015-12-11 | Waste plastic granulation exhaust gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510924785.6A CN105381677A (en) | 2015-12-11 | 2015-12-11 | Waste plastic granulation exhaust gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105381677A true CN105381677A (en) | 2016-03-09 |
Family
ID=55414835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510924785.6A Pending CN105381677A (en) | 2015-12-11 | 2015-12-11 | Waste plastic granulation exhaust gas treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105381677A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105833697A (en) * | 2016-06-08 | 2016-08-10 | 江苏海阳锦纶新材料有限公司 | Device for treating flue gas during production of dipped nylon cord |
| CN106000004A (en) * | 2016-06-15 | 2016-10-12 | 东莞大合环保科技有限公司 | Organic waste gas integrated treatment system |
| CN107537250A (en) * | 2017-09-22 | 2018-01-05 | 世源科技工程有限公司 | A kind of washing type waste gas treatment equipment |
| CN111450664A (en) * | 2020-04-13 | 2020-07-28 | 苏州市贝科德机械有限公司 | Waste gas absorption tower |
| CN113350987A (en) * | 2021-07-13 | 2021-09-07 | 苏州富亿隆环保设备有限公司 | Vertical waste gas plasma clarification plant |
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| CN202237676U (en) * | 2011-08-17 | 2012-05-30 | 环境保护部华南环境科学研究所 | Ceramic gas cleaning device |
| CN204051377U (en) * | 2014-08-19 | 2014-12-31 | 江苏自强环保科技有限公司 | Effective integrated soda acid and organic exhaust gas adsorption device |
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2015
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Patent Citations (9)
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| CN1768899A (en) * | 2004-11-03 | 2006-05-10 | 倪新领 | High-precision spiral dripping dust collector |
| WO2006049470A2 (en) * | 2004-11-08 | 2006-05-11 | Daewoo Electronics Corporation | Wet type air cleaner |
| CN202237676U (en) * | 2011-08-17 | 2012-05-30 | 环境保护部华南环境科学研究所 | Ceramic gas cleaning device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105833697A (en) * | 2016-06-08 | 2016-08-10 | 江苏海阳锦纶新材料有限公司 | Device for treating flue gas during production of dipped nylon cord |
| CN106000004A (en) * | 2016-06-15 | 2016-10-12 | 东莞大合环保科技有限公司 | Organic waste gas integrated treatment system |
| CN107537250A (en) * | 2017-09-22 | 2018-01-05 | 世源科技工程有限公司 | A kind of washing type waste gas treatment equipment |
| CN111450664A (en) * | 2020-04-13 | 2020-07-28 | 苏州市贝科德机械有限公司 | Waste gas absorption tower |
| CN113350987A (en) * | 2021-07-13 | 2021-09-07 | 苏州富亿隆环保设备有限公司 | Vertical waste gas plasma clarification plant |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20160309 |