CN109173675A - The fountain processing method and processing device of tung oil squeezing exhaust gas - Google Patents
The fountain processing method and processing device of tung oil squeezing exhaust gas Download PDFInfo
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- CN109173675A CN109173675A CN201811287687.6A CN201811287687A CN109173675A CN 109173675 A CN109173675 A CN 109173675A CN 201811287687 A CN201811287687 A CN 201811287687A CN 109173675 A CN109173675 A CN 109173675A
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- exhaust gas
- spray
- tung oil
- layer
- alkaline solution
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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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
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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
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The present invention relates to waste gas purification technical fields, and in particular to tung oil squeezes the fountain processing method and processing device of exhaust gas, and equipment includes centrifugal blower, spray column, regenerated reactor, sedimentation basin, adder-subtractor；Tung oil squeezing exhaust gas is come into full contact with by the alkaline solution repeatedly with spray, and neutralization reaction occurs, and is formed a liquid-gas reaction system, then removed water demisting, is achieved the purpose that eliminate gaseous pollutant, last qualified discharge；High-efficient with processing tung oil exhaust gas, recovered liquid is recycled, energy saving, reduces energy loss, and equipment connection is simple, without specially clean and maintenance, facilitates layout, reduces windage, there is the features such as upgradability.
Description
Technical field
The present invention relates to waste gas purification technical fields, and in particular to the fountain processing method and dress of tung oil squeezing exhaust gas
It sets.
Background technique
Tung oil tree (Aleurites fordii) also known as seeds of a tung oil tree tree, euphorbia plant, it is the main woody industrial oil in China
Tree species.It is a kind of high-quality drying oil with the tung oil that paulownia seed is squeezed out, with fast drying, light specific gravity, glossiness is good, adhesive force is strong, resistance to
The characteristics such as hot, acidproof, alkaline-resisting, anti-corrosion, antirust, non-conductive, be widely used in paint, printing and dyeing, building, national defence, electric appliance, electronics,
The fields such as bioenergy (diesel oil), and oilcloth, oilpaper, soap, pesticide and pharmaceutical nauseant, agrochemical can be made.Directly
The product situation of selling well world, the domestic market produced with tung oil is connect, there is stable selling market.
During production tung oil, tung oil tree need to be dried, clear up grey miscellaneous, steaming stir-fry, squeezing, filter, refine, convey etc.
Simultaneously the tung oil for meeting various techniques requirements is made in step.In this technical process, a large amount of tung oil exhaust gas and dust can be generated.Paulownia
It include tung oil flue gas, the dirt particle and oil particles of floating in oily exhaust gas.Containing eleostearic acid, the toxic saponin etc. that is mingled in tung oil tree
Toxin etc. is detrimental to health to the harmful effect of health of human body by respiratory tract in suction human body.But current domestic and international tung oil
The administering method of exhaust gas is rarely reported.
Summary of the invention
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of fountain processing methods of tung oil squeezing exhaust gas
And device, have processing tung oil exhaust gas high-efficient, recovered liquid is recycled, and it is energy saving, reduce energy loss, equipment connection letter
It is single, without specially clean and maintenance, facilitate layout, reduces windage, there is the features such as upgradability.
Technical solution of the present invention is realized by following mode:
One, a kind of fountain processing method of tung oil squeezing exhaust gas, comprising the following steps:
1., by production operation when the exhaust gas that generates and workshop of extracting oil gas sampling to gas gathering mask, gas gathering mask passes through centrifugal blower
Exhaust gas is transported to the air inlet of spray column with pipeline, the bottom packing layer of spray column is arranged in the air inlet of spray column 2, raw
It produces squeezing exhaust gas and enters spray tower for waste gas；
2., into the exhaust gas of spray column, from bottom to top, by the packing layer of several layers, be provided with spray at the top of every layer of packing layer
The alkaline solution of mouth, spray nozzle spray alkaline solution, exhaust gas and spray comes into full contact with, and neutralization reaction occurs；
3., from packing layer come out exhaust gas, into demisting layer, demisting layer is provided with the demister of several rows, to exhaust gas dehydration remove
Mist reaches discharge standard, by smoke stack emission；
4., absorbing liquid spray column bottom after water pump is pressurized tower top spray and under, be back to tower bottom, into cyclic water tank, warp
It regenerated reactor and being handled through sedimentation basin, removes desulfurization slag, obtain alkaline solution, alkaline solution passes through pipeline again and enters cyclic water tank,
Alkaline solution is transported to spray piping by distribution pipeline by circulating pump, spray nozzle sprays alkaline solution, is recycled.
The alkaline solution is sodium hydroxide solution, potassium hydroxide solution or sodium carbonate liquor, and concentration is according to gas
Acidity determine.
Two, a kind of fountain processing unit of tung oil squeezing exhaust gas, including centrifugal blower, spray column, regenerated reactor, precipitating
Pond, adder-subtractor；
It is provided with packing layer in the spray column, is provided with demisting layer above packing layer, is provided with chimney at the top of spray column；
Packing layer is several layers, setting lye import and spray nozzle at the top of every layer of packing layer, lye import connection spray piping, spray
Shower pipe road is equipped with the spray nozzle of spray alkaline solution；Air inlet and outer discharge are set on the spray column of bottom packing layer lower part
Mouthful；The centrifugal blower is connected to air inlet；The cyclic water tank is connected by piping connection regenerated reactor, regenerated reactor and sedimentation basin
Connect, sedimentation basin is connect with adder-subtractor, and adder-subtractor be connected to by pipeline with cyclic water tank, cyclic water tank pass through distribution pipeline and
Lye import connection；Demisting layer is provided with several demister.
Peep hole is provided on the spray column.
The cyclic water tank is arranged in the packing layer bottom.
The bottom of described filler layer is provided with spray ball.
Described filler layer is plastic filler or ceramic packing.
The spray column, when water level reaches low liquid level, regenerated reactor inlet water solenoid valve is opened, and is closed after reaching high liquid level；
Recirculated water carries out temperature control, and at 60 DEG C of temperature >, outlet solenoid valve is opened, and closes less than 40 DEG C；
The adder-subtractor adds alkaline solution.
Advantages of the present invention:
1, tung oil exhaust gas is entered pipeline arrival several layers spray column by gas gathering mask and handled by the present invention, in Multi-layer sprinkling formula
Buck mist from top to bottom is generated under the action of the Sprayer Circulation system of processing equipment, in equipment, and exhaust gas enters from air inlet
It is come into full contact in Multi-layer sprinkling formula equipment with buck mist, the particulate matter in gas can be efficiently separated, while the eleostearic acid in tung oil,
It is mingled with the toxins such as the toxic saponin in tung oil tree and neutralization reaction occurs with the alkaline solution in spray column, thus make tung oil, paulownia
The dust pollutant of fruit drying is able to neutralize removal, to form a liquid-gas reaction system, reaches and eliminates gaseous pollutant
Purpose, last qualified discharge.
2, exhaust gas introducing spray column, by packing layer, exhaust gas and solvent carry out gas-liquid two-phase and come into full contact with absorption neutralization instead
It answers, irritation exhaust gas is rationally discharged after purification, then after demisting plate dehydrating demisting by chimney.Absorbing liquid passes through at spray column bottom
Water pump pressurization after tower top spray and under, be finally back to tower bottom recycling.Finally, irritation exhaust gas obtains pre- place well
Manage effect.
3, the exhaust gas removal efficiency of the invention in processing tung oil exhaust gas is up to 97%, and spray liquid setting of the invention follows
Ring uses, energy saving, reduces energy loss, equipment connection is simple, without specially clean and maintenance.Installation cost is low, the time is short,
It is easy to reach design effect and facilitates layout, reduce windage；It is convenient for the equal wind of spray column simultaneously, to improve removing exhaust gas efficiency.
4, the fabricated structure that equipment all uses standard flange to connect makes equipment have upgradability.Modularization purification is single
Member can manage fan delivery issue handling high concentration according to different purified treatment amounts and purifying rate requirement with flexible combination
Exhaust gas.
Detailed description of the invention
Fig. 1 is the fountain processing technological flow figure of tung oil squeezing exhaust gas；
Fig. 2 is the spray column structural schematic diagram of tung oil squeezing exhaust gas fountain processing unit；
Drawing reference numeral and title are as follows:
1, centrifugal blower；2, spray column；3, regenerated reactor；4, sedimentation basin；5, adder-subtractor；6, filtered water tank；7, circulating pump；8, it rinses
Pump；9, metering pump；21, packing layer；22, demisting layer；23, chimney；24, peep hole；201, air inlet；202, outer outlet；
203, outlet solenoid valve；204, spray nozzle；205, ball is sprayed；206, lye import；207, flooding nozzle；208, demister；31,
Inlet water solenoid valve；61, water inlet.
Specific embodiment
The present invention will be further explained with reference to the examples below, as described below, is only to preferable implementation of the invention
Example, not limits the present invention, any person skilled in the art is possibly also with the disclosure above
Technology contents changed or be modified as the equivalent embodiment changed on an equal basis.Without departing from the concept of the present invention, foundation
Technical spirit any simple modification, equivalent change and modification made to the above embodiment of the invention, all fall within of the invention
In protection scope.
A kind of fountain processing unit of tung oil squeezing exhaust gas, including centrifugal blower 1, spray column 2, regenerated reactor 3, sedimentation basin
4, adder-subtractor 5, filtered water tank 6, circulating pump 7, flushing pump 8 and metering pump 9；
It is provided with packing layer 21 in the spray column 2, demisting layer 22, the top setting of spray column 2 are provided with above packing layer 21
There is chimney 23；
Packing layer 21 is several layers, and lye import 206 and spray nozzle 204 are arranged at the top of every layer of packing layer 21, and lye import 206 is pacified
Spray nozzle 204 equipped with spray alkaline solution；Air inlet 201 and outlet are set on the spray column 2 of 21 lower part of bottom packing layer
Outlet 202；
The centrifugal blower 1 is connected to air inlet 201；The circulating pump 7 is connect with outer outlet 202, and circulating pump 7 passes through pipeline
Regenerated reactor 3 is connected, regenerated reactor 3 is connect with sedimentation basin 4, and sedimentation basin 4 is connect with adder-subtractor 5, and adder-subtractor 5 passes through shunt conduit
It is connected to lye import 206；Demisting layer 22 be provided with several demister 208 and several rows flooding nozzle 207, rinse spray
Mouth 207 is connect by flushing pump 8 and water pipe with filtered water tank 6；
Peep hole 24 is provided on the spray column 2；The setting spray ball 205 of described filler layer 21, is located at 21 bottom of packing layer.
When work, the gas sampling in the exhaust gas that generates when by production operation and workshop of extracting oil to gas gathering mask, gas gathering mask passes through
Exhaust gas is transported to the air inlet 201 of spray column 2 by centrifugal blower 1, and exhaust gas enters spray column 2；Into the exhaust gas of spray column 2, by
On down, at this point, the alkaline solution of the spray alkaline solution of spray nozzle 204 of every layer of packing layer 21, exhaust gas and spray comes into full contact with,
Neutralization reaction occurs；The exhaust gas come out from packing layer 21, it is right using demister 208 and flooding nozzle 207 into demisting layer 22
Exhaust gas dehydrating demisting, reaches discharge standard, by smoke stack emission.The alkaline solution is sodium hydroxide solution, potassium hydroxide is molten
Liquid or sodium carbonate liquor, concentration are determined according to the acidity of gas.
Absorbing liquid spray column bottom after water pump is pressurized spray column top spray drench and under, be finally back to tower bottom, outlet electricity
Magnet valve 203 is opened, and absorbing liquid is flowed out from outer outlet 202, enters regenerated reactor 3 by circulating pump 7, recovered liquid is carried out at regeneration
Reason, becomes alkaline solution, by sedimentation basin 4, removes desulfurization slag, obtains alkaline solution, and alkaline solution enters adder-subtractor 5, then
Enter spray column 2 by distribution pipeline to be recycled.
Claims (7)
1. a kind of fountain processing method of tung oil squeezing exhaust gas, which comprises the following steps:
1., by production operation when the exhaust gas that generates and workshop of extracting oil gas sampling to gas gathering mask, gas gathering mask passes through centrifugal blower
(1) and exhaust gas is transported to the air inlets (201) of spray column (2) by pipeline, and the air inlet (201) of spray column 2 is arranged in spray column
(2) bottom packing layer (21), production squeezing exhaust gas enter spray tower for waste gas (2)；
2., into the exhaust gas of spray column (2), from bottom to top, the packing layer (21) by several layers, at the top of every layer of packing layer (21)
It is provided with spray nozzle (204), spray nozzle (204) spray alkaline solution, the alkaline solution of exhaust gas and spray comes into full contact with, in generation
And reaction；
3., from packing layer (21) come out exhaust gas, into demisting layer (22), demisting layer (22) is provided with the demister of several rows
(207), to exhaust gas dehydrating demisting, reach discharge standard, by smoke stack emission；
4., absorbing liquid spray column (2) bottom after water pump is pressurized tower top spray and under, tower bottom is back to, into cyclic water tank
(25), it is handled through regenerated reactor (3) and through sedimentation basin (4), removes desulfurization slag, obtain alkaline solution, alkaline solution passes through pipeline again
Into cyclic water tank (25), alkaline solution is transported to spray piping, spray nozzle by distribution pipeline by circulating pump (203)
(204) alkaline solution is sprayed, is recycled.
2. a kind of fountain processing unit of tung oil squeezing exhaust gas, which is characterized in that including centrifugal blower (1), spray column (2),
Regenerated reactor (3), sedimentation basin (4), adder-subtractor (5)；
It is provided with packing layer (21), is provided with demisting layer (22) above packing layer (21), spray column (2) in the spray column (2)
Top be provided with chimney (23)；
Packing layer (21) is several layers, setting lye import (206) and spray nozzle (204) at the top of every layer of packing layer (21), lye
Import (206) connects spray piping, and spray piping is equipped with the spray nozzle (204) of spray alkaline solution；Bottom packing layer
(21) air inlet (201) and outer outlet (202) are set on the spray column (2) of lower part；The centrifugal blower (1) and air inlet
(201) it is connected to；The cyclic water tank (25) is connect by piping connection regenerated reactor (3), regenerated reactor (3) with sedimentation basin (4), is precipitated
Pond (4) is connect with adder-subtractor (5), and adder-subtractor (5) is connected to by pipeline with cyclic water tank (25), and cyclic water tank (25) passes through
Distribution pipeline is connected to lye import (206)；Demisting layer (22) is provided with several demister (207).
3. the fountain processing unit of tung oil squeezing exhaust gas according to claim 2, which is characterized in that the spray column
(2) peep hole (24) are provided on.
4. the fountain processing unit of tung oil squeezing exhaust gas according to claim 2, which is characterized in that the cyclic water tank
(25) it is arranged in packing layer (21) bottom.
5. the fountain processing unit of tung oil squeezing exhaust gas according to claim 2, which is characterized in that described filler layer
(21) bottom is provided with spray ball (205).
6. the fountain processing unit of tung oil squeezing exhaust gas according to claim 2, which is characterized in that the spray column
(2), when water level reaches low liquid level, regenerated reactor (3) inlet water solenoid valve (31) is opened, and is closed after reaching high liquid level.
7. the fountain processing unit of tung oil squeezing exhaust gas according to claim 2, which is characterized in that the adder-subtractor
(5) alkaline solution is added.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287687.6A CN109173675A (en) | 2018-10-31 | 2018-10-31 | The fountain processing method and processing device of tung oil squeezing exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287687.6A CN109173675A (en) | 2018-10-31 | 2018-10-31 | The fountain processing method and processing device of tung oil squeezing exhaust gas |
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| Publication Number | Publication Date |
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| CN109173675A true CN109173675A (en) | 2019-01-11 |
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| CN201811287687.6A Pending CN109173675A (en) | 2018-10-31 | 2018-10-31 | The fountain processing method and processing device of tung oil squeezing exhaust gas |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109621654A (en) * | 2019-03-01 | 2019-04-16 | 包头中科世纪科技有限责任公司 | A kind of exhaust treatment system in rare-earth sulfide production process |
| CN114307464A (en) * | 2021-12-28 | 2022-04-12 | 北京华源泰盟节能设备有限公司 | Modularized vertical spray tower |
| CN115253646A (en) * | 2022-08-26 | 2022-11-01 | 浙江亿丰海洋生物制品有限公司 | Waste gas treatment production line for aquatic product processing |
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2018
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| CN202146714U (en) * | 2011-07-18 | 2012-02-22 | 潍坊大明生物科技有限公司 | Device for eliminating peculiar smells during production of fatty acid from acidized vegetable oil |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109621654A (en) * | 2019-03-01 | 2019-04-16 | 包头中科世纪科技有限责任公司 | A kind of exhaust treatment system in rare-earth sulfide production process |
| CN114307464A (en) * | 2021-12-28 | 2022-04-12 | 北京华源泰盟节能设备有限公司 | Modularized vertical spray tower |
| CN115253646A (en) * | 2022-08-26 | 2022-11-01 | 浙江亿丰海洋生物制品有限公司 | Waste gas treatment production line for aquatic product processing |
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