CN109316949A - Plastic processing emission-control equipment - Google Patents
Plastic processing emission-control equipment Download PDFInfo
- Publication number
- CN109316949A CN109316949A CN201811297139.1A CN201811297139A CN109316949A CN 109316949 A CN109316949 A CN 109316949A CN 201811297139 A CN201811297139 A CN 201811297139A CN 109316949 A CN109316949 A CN 109316949A
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- CN
- China
- Prior art keywords
- plastic processing
- circulating water
- water pool
- control equipment
- scrubbing tower
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- 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
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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
- B01D53/84—Biological processes
-
- 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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of plastic processing emission-control equipments, including scrubbing tower；The wash tower bottoms setting is equipped with the circulating water pool of microorganism liquid, scrubbing tower airflow channel above the circulating water pool is equipped with several layers spray tube, the exhaust gas inlet of scrubbing tower is set between bottom spray tube and circulating water pool, the waste gas outlet of the top setting scrubbing tower of top spray tube, is connected between the spray tube and circulating water pool by water circulating pump；Floating is equipped with hydrophobic adsorbent oxidant layer in the circulating water pool.The present invention solves the problems, such as that substance not soluble in water in plastic processing exhaust gas is thoroughly adsorbed and purified using chemistry+biology complex composition scheme of hydrophobic adsorbent and antimicrobial composition, and the automatic regeneration that can be realized hydrophobic adsorbent administers plastic processing flue gas thoroughly.
Description
Technical field
The invention belongs to waste gas pollution control and treatment technologies, and in particular to a kind of plastic processing emission-control equipment.
Background technique
In the industrial production, the plastic processings such as PVC, PP, ABS, as being made into various equipment and workpiece after plastic pellet fusing,
Plastic part baking etc. can all generate certain exhaust gas, have niff.This exhaust gas is generally existing in the industrial production, such as
The flue gas that waste plastic granulation generates, the flue gas etc. that plastic part baking, fusing generate.
Usual this kind of flue gas can be purified by scrubbing tower, but existed in this kind of flue gas and be largely not readily dissolved in water
Substance, such as benzene,toluene,xylene, this substance can be swum on the water surface, it is easy to the air-flow continued into scrubbing tower
It takes away again, re-forms harmful exhaust emissions into air.
Summary of the invention
Technical problem solved by the present invention is the non-water substance that is dissolved in for existing plastic processing gas sampling is easy two
It is secondary to enter the defect discharged in air, a kind of novel plastic processing emission-control equipment is provided, plastic processing flue gas is improved
In harmful substance adsorption effect.
The present invention adopts the following technical scheme that realization:
Plastic processing emission-control equipment, including scrubbing tower 1；
1 bottom of the scrubbing tower setting is equipped with the circulating water pool 13 of microorganism liquid, the washing of 13 top of circulating water pool
Tower airflow channel be equipped with several layers spray tube 7, between bottom spray tube 7 and circulating water pool 13 be arranged scrubbing tower exhaust gas into
Mouth 3, the waste gas outlet 6 of the top setting scrubbing tower of top spray tube 7, passes through between the spray tube 7 and circulating water pool 13
Water circulating pump 11 connects；
Hydrophobic adsorbent oxidant layer 2 is disposed in the circulating water pool 13.
Further, the hydrophobic adsorbent oxidant layer 2 is swum on the liquid level of circulating water pool 13.
Further, the circulating water pool 13 is connect by a buffer tank 14 with water circulating pump 11, the buffer tank
14 inside are equipped with hydrophobic adsorbent baffle 12.
Further, the hydrophobic adsorbent baffle 12 is arranged in inside buffer tank 14 in labyrinth, the labyrinth formed
Channel is connected to circulating water pool 13 and water circulating pump 11.
Further, the chemicals dosing plant 10 of the buffer tank 14 and addition CH degradation bacterium and microbial nutrition agent
Connection.
Further, the buffer tank 14 is equipped with inlet valve 9.
Further, the buffer tank 14 is equipped with pH on-line computing model.
In plastic processing emission-control equipment of the invention, it is all provided in the lower section of every layer of spray tube 7 of the scrubbing tower 1
It is equipped with packing layer 4.
Further, the inside of the waste gas outlet 6 is equipped with demister 5.
The invention has the following beneficial effects:
1, harmful substance such as benzene,toluene,xylene etc. in exhaust gas that under normal conditions, plastic melt generates is in water
Solubility is very low, and after exhaust gas is washed with water by scrubbing tower and to be washed, this substance brings circulating water pool by water, due to not soluble in water,
It can be quickly to water surface movable, it is easy to come back in exhaust gas again.The present invention is arranged in the circulating water pool of scrubbing tower by dredging
Floating layer made of aqueous substance adsorbent, the adsorbent swim in the water surface of circulating water pool, to the hydrophobicity for being moved to the water surface
Harmful substance has powerful adsorption capacity.It therefore, can be by this when the mobile water surface of chemical substance not soluble in water in exhaust gas
Adsorbent reliably adsorbs fixation, without turning again in exhaust gas, purifies exhaust gas thoroughly.
2, hydrophobic adsorbent oxidant layer passes through the microorganism automatic regeneration in circulating water pool.When equipment at work, in exhaust gas
Hydrophobicity harmful substance is in recirculated water by microorganism adsorption, decomposition；Have little time the part decomposed to be adsorbed admittedly by hydrophobic adsorbent
It is fixed；After coming off duty, when equipment does not work, the hydrophobicity harmful substance in microorganisms Decomposition Cycle water in recirculated water,
Reduced with the concentration of narmful substance in this recirculated water, adsorb in hydrophobic adsorbent oxidant layer fixed harmful substance be resolved to it is micro- in water
Biological decomposition, when arriving next working day, hydrophobic adsorbent oxidant layer can restore adsorption function automatically, realize automatic regeneration.
3, the regeneration of scrubbing tower recirculated water.Recirculated water is limited chemical substance absorption, including water-soluble substance
Such as alcohol, ether, ketone, with the raising of concentration in dampening, recirculated water loses absorbability, and the present invention is by chemicals dosing plant into recirculated water
Microorganism fungus kind and nutritional agents are added, the clean of recirculated water is kept, by the decomposition of microorganism by pollutant removal, makes recirculated water
With stable absorption function.
From the above mentioned, the present invention is solved using chemistry+biology composite absorption tower of hydrophobic adsorbent and antimicrobial composition
The problem of substance not soluble in water is thoroughly adsorbed and is purified in plastic processing exhaust gas, and can be realized the automatic of hydrophobic adsorbent
Regeneration, administers plastic processing flue gas thoroughly.
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the plastic processing emission-control equipment in embodiment.
Figure label: 1- scrubbing tower, 2- hydrophobic adsorbent oxidant layer, 3- exhaust gas inlet, 4- packing layer, 5- demister, 6- exhaust gas
Outlet, 7- spray tube, 8-pH on-line computing model, 9- inlet valve, 10- chemicals dosing plant, 11- water circulating pump, 12- hydrophobic adsorbent gear
Plate, 13- circulating water pool, 14- buffer tank.
Specific embodiment
Embodiment
Referring to Fig. 1, the plastic processing emission-control equipment in diagram is preferred embodiment of the invention, specifically includes scrubbing tower
1, hydrophobic adsorbent oxidant layer 2, exhaust gas inlet 3, packing layer 4, demister 5, waste gas outlet 6, spray tube 7, pH on-line computing model 8, into
Water valve 9, chemicals dosing plant 10, water circulating pump 11, hydrophobic adsorbent baffle 12, circulating water pool 13 and buffer tank 14.
The vertical column that scrubbing tower 1 is vertically arranged is circulating water pool 13 in 1 intracavity bottom of scrubbing tower, on circulating water pool 13
Exhaust gas inlet 3 is arranged in the washing tower side wall of side, and the top of scrubbing tower 1 is then arranged waste gas outlet 6, goes out in exhaust gas inlet 3 and exhaust gas
Scrubbing tower inner cavity between mouth 6 forms airflow channel, is arranged on the airflow channel by several layers spray tube 7 and several packing layers
4, packing layer 4 is arranged in a one-to-one correspondence in the lower section of every layer of spray tube 7, and filler uses polyhedron empty ball or biological suspended packing,
Waste gas outlet 6 is provided with demister 5 on the inside of scrubbing tower, carries out demisting processing to the exhaust gas of discharge.
It is the recirculated water for loading in mixture microorganism liquid inside circulating water pool 13, circulating water pool 13 is connected by the water circulating pump 11 outside tower
It is connected to spray tube 7, plastic processing exhaust gas enters in scrubbing tower from exhaust gas inlet 3, exhaust gas washed by spray tube 7,
Exhaust gas contacts in packing layer with the recirculated water of the liquid containing microorganism, and the pollutant in exhaust gas is soluble in water, and not soluble in water has
Evil substance by water flow entrainment falls into circulating water pool 13, the microorganism inside circulating water pool 13 to harmful substance not soluble in water into
Row decomposes.Those skilled in the art can carry out the selection of microorganism fungus kind according to specific waste gas content, and the present embodiment is herein not
The specific type of microorganism is defined.
In order to avoid the excessively high exhaust gas for causing to re-enter into scrubbing tower of the concentration of narmful substance inside circulating water pool 13
In, the present embodiment is provided with hydrophobic adsorbent oxidant layer 2 in the circulating water pool 13 of scrubbing tower 1, and this adsorbent specific adsorption is not
It is dissolved in the chemical substance of water, such as benzene,toluene,xylene, when pollutant concentration reduces in recirculated water, is adsorbed on this absorption
Substance in agent can be precipitated automatically, by the microorganism decomposition in recirculated water.The hydrophobic adsorbent oxidant layer 2 swims in circulating water pool 13
On liquid level, hydrophobic adsorbent oxidant layer 2 separates the airflow channel inside circulating water pool 13 and scrubbing tower, when not soluble in water in recirculated water
Harmful substance when accumulate on the water surface, can be fixed by hydrophobic adsorbent absorption, without being entered scrubbing tower
Off-gas flows are taken away.
Further, when 13 inside recirculated water of circulating water pool enters spray tube 7 to scrubbing tower inside by water circulating pump 11
Exhaust gas carry out water-washing process in, in order to avoid harmful substance not soluble in water in recirculated water is sprayed together, the present embodiment exists
The outer wall of scrubbing tower 1 is provided with a buffer tank 14, which is connected to circulating water pool 13, and water circulating pump 11 passes through
The pumping cycle water out of circulating water pool of buffer tank 14.Several dredging in labyrinth arrangement are internally provided in buffer tank 14 simultaneously
Water absorbent baffle 12, the interlaced arrangement along the vertical direction of hydrophobic adsorbent baffle 12, forms a labyrinth channel, circulating water pool 13
Interior recirculated water enters buffer tank 14 by the labyrinth channel that hydrophobic adsorbent baffle 12 is formed, during this, circulation
Harmful substance not soluble in water can be adsorbed by the hydrophobic adsorbent that hydrophobic adsorbent baffle 12 coats and be fixed in water, avoided and followed
Ring water pump 11 is pumped to again in spray tube 7.
Hydrophobic adsorbent oxidant layer 2 and hydrophobic adsorbent baffle 12 are all made of the superposition of multi-layer polypropylene fiber and are made.
Since the microorganism liquid inside circulating water pool 13 is with the effect of degradation, can gradually decrease, in order to keep recirculated water
To the constant absorption function of harmful substance in exhaust gas, the buffer tank 14 in the present embodiment passes through drug feeding pipeline and chemicals dosing plant 10
Connection, chemicals dosing plant 10 for matching CH degradation bacterium and microbial nutrition agent, and by dosing pump to buffer tank and
Proportioned microorganism liquid is added inside circulating water pool.Specific chemicals dosing plant structure can refer to existing medicine machine, this reality
Applying example, this will not be repeated here.
Inlet valve 9 is connected on buffer tank 14, and water is added into buffer tank 14 and circulating water pool 13 by inlet valve 9.
PH on-line computing model 8 is set on buffer tank 14, is monitored for the pH value to recirculated water, and inlet valve 9 is combined to control
The pH value of recirculated water is maintained between 6-8.
The working principle of the present embodiment is as follows: plastic processing exhaust gas enters in scrubbing tower 1 from exhaust gas inlet 3, exhaust gas and spray
The recirculated water for the liquid containing microorganism that shower pipe 7 sprays contacts in packing layer 4, and the pollutant in flue gas is soluble in water, not soluble in water
Substance be water cooled solidifying entrainment and enter in the circulating water pool 13 of wash tower bottoms, in the hydrophobic adsorbent of 13 liquid level of circulating water pool floating
Hydrophobic adsorbent baffle 12 in oxidant layer 2 and buffer tank 14, which adsorbs substance not soluble in water in recirculated water, to be fixed, thus
Guarantee that harmful substance not soluble in water will not again return in exhaust gas.At the same time, in recirculated water under the action of microorganism,
Pollutant in water is decomposed, and the concentration of recirculated water gradually decreases；Suction in hydrophobic adsorbent oxidant layer 2 and hydrophobic adsorbent baffle 12
Pollutant in the pollutant and water of attached dose of absorption has concentration difference, and pollutant is parsed from adsorbent, enters circulation
Continue to be decomposed by the microorganisms in water, adsorbent is parsed and regenerated, and is regained and is continued to adsorb chemical substance not soluble in water
Ability, while the ability for making recirculated water have pollutant in constant absorption exhaust gas, administer plastic processing exhaust gas thoroughly.
It is the attached drawing in conjunction with the present embodiment above, the technical solution in the present embodiment is clearly and completely described
It is bright, it is clear that described embodiment is only one of embodiment of the invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Claims (9)
1. plastic processing emission-control equipment, it is characterised in that: including scrubbing tower (1)；
Scrubbing tower (1) the bottom setting is equipped with the circulating water pool (13) of microorganism liquid, washing above the circulating water pool (13)
Tower airflow channel is washed equipped with several layers spray tube (7), scrubbing tower is set between bottom spray tube (7) and circulating water pool (13)
Exhaust gas inlet (3), top spray tube (7) top setting scrubbing tower waste gas outlet (6), the spray tube (7) with follow
It is connected between ring pond (13) by water circulating pump (11)；
Hydrophobic adsorbent oxidant layer (2) are disposed in the circulating water pool (13).
2. plastic processing emission-control equipment according to claim 1, the hydrophobic adsorbent oxidant layer (2) swims in recirculated water
On the liquid level in pond (13).
3. plastic processing emission-control equipment according to claim 2, the circulating water pool (13) passes through a buffer tank
(14) it is connect with water circulating pump (11), is equipped with hydrophobic adsorbent baffle (12) inside the buffer tank (14).
4. plastic processing emission-control equipment according to claim 3, the hydrophobic adsorbent baffle (12) is in labyrinth cloth
Set, labyrinth channel connection circulating water pool (13) that is formed and water circulating pump (11) internal in buffer tank (14).
5. plastic processing emission-control equipment according to claim 4, the buffer tank (14) and addition CH compound
Degradation bacteria and the chemicals dosing plant of microbial nutrition agent (10) connection.
6. plastic processing emission-control equipment according to claim 5, the buffer tank (14) is equipped with inlet valve
(9)。
7. plastic processing emission-control equipment according to claim 6, the buffer tank (14) is monitored on-line equipped with pH
Instrument.
8. plastic processing emission-control equipment described in any one of -7 according to claim 1, every layer of spray of the scrubbing tower (1)
Packing layer (4) are provided with below shower pipe (7).
9. the inside of plastic processing emission-control equipment according to claim 8, the waste gas outlet (6) is equipped with demister
(5)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811297139.1A CN109316949A (en) | 2018-11-01 | 2018-11-01 | Plastic processing emission-control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811297139.1A CN109316949A (en) | 2018-11-01 | 2018-11-01 | Plastic processing emission-control equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109316949A true CN109316949A (en) | 2019-02-12 |
Family
ID=65260118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811297139.1A Pending CN109316949A (en) | 2018-11-01 | 2018-11-01 | Plastic processing emission-control equipment |
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| Country | Link |
|---|---|
| CN (1) | CN109316949A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110898651A (en) * | 2019-12-05 | 2020-03-24 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Air filtering device of 3D printer |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1075939A (en) * | 1992-03-02 | 1993-09-08 | 株式会社花郎环境 | Utilize cilia-like biofilm to dispose of sewage and the method and the device thereof of waste water |
| CN102107114A (en) * | 2009-12-23 | 2011-06-29 | 陈妙生 | Device for treating organic waste gas generated by digestion of sludge |
| CN102179160A (en) * | 2011-04-08 | 2011-09-14 | 广州市越堡水泥有限公司 | Purification method of odor waste gas produced by high-temperature dewatering of sludge |
| CN202343096U (en) * | 2011-12-09 | 2012-07-25 | 广州格淋环境保护技术有限公司 | Efficient deodorization system for organic waste gas |
| CN202460467U (en) * | 2012-03-08 | 2012-10-03 | 天津市嘉腾环保设备有限公司 | Tower-type organic waste gas biological processor |
| CN107413311A (en) * | 2017-07-03 | 2017-12-01 | 青岛大学 | It is a kind of to be used for the visible light photocatalysis sorbing material that accident leakage harmful chemical is removed in water body |
| CN108176366A (en) * | 2018-01-19 | 2018-06-19 | 四川广阳环保科技有限公司 | A kind of method, product and purposes that compound adsorbent is prepared using chlorosilane raffinate and chitosan |
| CN108585106A (en) * | 2018-05-17 | 2018-09-28 | 同济大学 | A method of the selective photocatalysis oxidation removal nonyl phenol based on hydrophobic effect |
| CN108704620A (en) * | 2018-07-02 | 2018-10-26 | 大连理工大学 | The preparation method and application of chitosan/hydrophobic montmorillonite sorbing material of anion in a kind of processing waste water |
-
2018
- 2018-11-01 CN CN201811297139.1A patent/CN109316949A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1075939A (en) * | 1992-03-02 | 1993-09-08 | 株式会社花郎环境 | Utilize cilia-like biofilm to dispose of sewage and the method and the device thereof of waste water |
| CN102107114A (en) * | 2009-12-23 | 2011-06-29 | 陈妙生 | Device for treating organic waste gas generated by digestion of sludge |
| CN102179160A (en) * | 2011-04-08 | 2011-09-14 | 广州市越堡水泥有限公司 | Purification method of odor waste gas produced by high-temperature dewatering of sludge |
| CN202343096U (en) * | 2011-12-09 | 2012-07-25 | 广州格淋环境保护技术有限公司 | Efficient deodorization system for organic waste gas |
| CN202460467U (en) * | 2012-03-08 | 2012-10-03 | 天津市嘉腾环保设备有限公司 | Tower-type organic waste gas biological processor |
| CN107413311A (en) * | 2017-07-03 | 2017-12-01 | 青岛大学 | It is a kind of to be used for the visible light photocatalysis sorbing material that accident leakage harmful chemical is removed in water body |
| CN108176366A (en) * | 2018-01-19 | 2018-06-19 | 四川广阳环保科技有限公司 | A kind of method, product and purposes that compound adsorbent is prepared using chlorosilane raffinate and chitosan |
| CN108585106A (en) * | 2018-05-17 | 2018-09-28 | 同济大学 | A method of the selective photocatalysis oxidation removal nonyl phenol based on hydrophobic effect |
| CN108704620A (en) * | 2018-07-02 | 2018-10-26 | 大连理工大学 | The preparation method and application of chitosan/hydrophobic montmorillonite sorbing material of anion in a kind of processing waste water |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110898651A (en) * | 2019-12-05 | 2020-03-24 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Air filtering device of 3D printer |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190212 |
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| RJ01 | Rejection of invention patent application after publication |