CN205672754U - A kind of two sections of bioanalysises and the device of membrane filtration combined treatment VOCs class waste gas - Google Patents
A kind of two sections of bioanalysises and the device of membrane filtration combined treatment VOCs class waste gas Download PDFInfo
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- CN205672754U CN205672754U CN201620211396.9U CN201620211396U CN205672754U CN 205672754 U CN205672754 U CN 205672754U CN 201620211396 U CN201620211396 U CN 201620211396U CN 205672754 U CN205672754 U CN 205672754U
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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
- 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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Abstract
The utility model discloses a kind of two sections of bioanalysises and the device of membrane filtration combined treatment VOCs class waste gas, gas collection unit includes gas collection pipeline and preposition blower fan；Biological processing unit includes bio-trickling device and biofiltration device, bio-trickling device top is provided with the first spray equipment, middle part is provided with wrong gas medium, and bottom connects gas collection pipeline and drips filtrate cycle pipeline, drips filtrate cycle pipeline and connects the first spray equipment；The top of biofiltration device is provided with the second spray equipment, and middle part is provided with biological oxidation filter bulb, and bottom connects membrane filtration separative element, and the gas of membrane filtration separative element is detained the gas collection pipeline by entrapped air volume pipeline connection preposition blower fan front end for the side.The beneficial effects of the utility model: the utility model patent uses two-part biological treatment to be combined with membrane separation technique, can realize the thoroughly biodegradable of VOCs waste gas and qualified discharge, the utility model has that flow process is simple, the VOCs rate of recovery high, energy consumption is low, the advantage of non-secondary pollution.
Description
Technical field
The utility model relates to a kind of VOCs class gas treatment equipment, it particularly relates to a kind of two sections of bioanalysises and film
Filtration combination processes the device of VOCs class waste gas.
Background technology
VOC (Volatile Organic Com-pounds, be called for short VOCs) is common smelly of a class
Gas pollutant, environment, vegeto-animal growth and human health are caused very big harm, therefore, many prosperities over nearly 10 years by it
Country has all promulgated decree, limits the discharge of VOCs.The Air Pollution Prevention Law of up-to-date revision is referred to as in history the tightest air
Method, this method will execution in 1 day January in 2016.
In oil and chemical industry, traditional VOCs processes technique and includes air-extraction, absorption absorption process, oxidizing process, need
Oxygen Anaerobic biotreatment method, the way of distillation etc..Air-extraction and the way of distillation are mainly used in the removing of Coal Gas Washing Cycling Water VOCs or return
Receiving, the process to low concentration VOCs is highly difficult.In the technique processing organic exhaust gas, absorption absorption process clearance is high, technique
Maturation, thus be widely used, but owing to the concentration of VOCs in this technological requirement inlet exhaust is very low, and separating process and absorption
The regeneration cost of agent is higher.
My company disclose in patent CN200810064939.9 a kind of biological oxidation filtrate preparation method and
Application in odor treatment, by a certain proportion of cow dung, chicken manure, stalk, corn flour, straw, soil co-grinding, adjusts humidity
It is 50%, sieve after experience fermenting twice, mix with activated sludge, obtain biological oxidation filtrate, by this biological oxidation filtrate
Being deposited in beaded support, filtrate is fixed as spherical by beaded support, then beaded support is positioned over odor treating device
In, the microorganism in biological oxidation filtrate can capture the composition in foul smell, carries out oxidation Decomposition utilization to it.My company is separately
One patent CN200820090868.5 discloses a kind of two sections and drips the device that filter formula biological oxidation administers foul smell, at centrifugal blower
Effect under make foul smell pass sequentially through two sections of unit having gas passage respectively, unit is provided with filling biologic packing material biological oxygen
Change filter bulb；Unit makes water-soluble foul smell composition be dissolved in water, by biological oxidation filter bulb oxidation Decomposition by the constantly spray of recirculated water.
All using oxidative treatment VOCs in above-mentioned patent, oxidizing process is thorough to the process of VOCs, with strong points, but disposal ability has
Limit.
Utility model content
The purpose of this utility model is to provide a kind of two sections of bioanalysises and the device of membrane filtration combined treatment VOCs class waste gas,
To overcome deficiencies of the prior art.
The purpose of this utility model is achieved through the following technical solutions:
A kind of two sections of bioanalysises and the device of membrane filtration combined treatment VOCs class waste gas, including gas collection unit, biology
Processing unit and membrane filtration separative element, described gas collection unit includes gas collection pipeline and preposition blower fan；Described biology
Processing unit includes bio-trickling device and biofiltration device, and wherein, described bio-trickling device top is provided with the first spray
Device, is provided with wrong gas medium in the middle part of described bio-trickling device, described bio-trickling device bottom connect gas collection pipeline and
Dripping filtrate cycle pipeline, being provided with and drip filtrate blowoff valve bottom described bio-trickling device, described filtrate cycle pipeline passes through water
Pump connects described first spray equipment；The top of described biofiltration device is provided with the second spray equipment and connects described biology and drip
Filter device top, is provided with biological oxidation filter bulb in the middle part of described biofiltration device, gas is passed through in described biofiltration device bottom
The described membrane filtration separative element of delivery line connection, the gas of described membrane filtration separative element is detained side and passes through entrapped air volume pipeline
Connecting the gas collection pipeline of described preposition blower fan front end, the gas permeation side of described membrane filtration separative element is discharged by gas
Pipeline connects gas blowdown stack, and described discharge pipe connects rearmounted blower fan.
Further, described membrane filtration separative element uses PolyEtherImide filter membrane.
Further, it is provided with circulation fluid filtration device and circulation fluid impurity blowoff valve in described filtrate cycle pipeline.
Further, described biofiltration device bottom is provided with shower water blowoff valve.
The beneficial effects of the utility model: the utility model patent uses two-part biological treatment and membrane separation technique knot
Closing, it is possible to achieve the thoroughly biodegradable and qualified discharge of VOCs waste gas, the utility model has that flow process is simple, the VOCs rate of recovery
Height, energy consumption are low, the advantage of non-secondary pollution.
Brief description
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
In the accompanying drawing of required use be briefly described, it should be apparent that, the accompanying drawing in describing below is only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawing.
Fig. 1 is two sections of bioanalysises according to the utility model embodiment and membrane filtration combined treatment VOCs class waste gas
The structural representation of device.
In figure:
1st, gas collection pipeline；2nd, preposition blower fan；3rd, bio-trickling device；4th, wrong gas medium；5th, the first spray equipment；6、
Water pump；7th, filtrate cycle pipeline is dripped；8th, filtrate blowoff valve is dripped；9th, circulation fluid impurity blowoff valve；10th, biofiltration device；11st, raw
Thing aoxidizes filter bulb；12nd, the second spray equipment；13rd, gas delivery line；14th, membrane filtration separative element；15th, rearmounted blower fan；16、
Gas exhaustion line；17th, chimney；18th, entrapped air volume pipeline.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, every other embodiment that those of ordinary skill in the art are obtained, all belong to
Scope in the utility model protection.
As it is shown in figure 1, two sections of bioanalysises described in the utility model embodiment and membrane filtration combined treatment VOCs class waste gas
Device, including gas collection unit, biological processing unit and membrane filtration separative element 14, described gas collection unit includes gas
Body collecting 1 and preposition blower fan 2；Described biological processing unit includes bio-trickling device 3 and biofiltration device 10, described
Bio-trickling device 3 top is provided with the first spray equipment 5, is provided with wrong gas medium 4, described life in the middle part of described bio-trickling device 3
Thing trickling 3 bottom connects gas collection pipeline 1 and drips filtrate cycle pipeline 7, is provided with and drips bottom described bio-trickling device 3
Filtrate blowoff valve 8, described filtrate cycle pipeline 7 connects described first spray equipment 5 by water pump 6；Described biofiltration fills
Put the top of 10 be provided with the second spray equipment 12 and connect described bio-trickling device 3 top, in described biofiltration device 10
Portion is provided with biological oxidation filter bulb 11, and described biofiltration device 10 bottom connects described membrane filtration by gas delivery line 13 and divides
From unit 14, the gas of described membrane filtration separative element 14 is detained side and connects described preposition blower fan 2 by entrapped air volume pipeline 18
The gas collection pipeline 1 of front end, the gas permeation side of described membrane filtration separative element 14 connects gas by gas exhaustion line 16
Body blowdown stack 17, described gas exhaustion line 16 connects rearmounted blower fan 15.
In embodiment described in the utility model, the shower water in the first spray equipment 5 and the second spray equipment 12 is equal
For water for industrial use.Described membrane filtration separative element 14 uses PolyEtherImide filter membrane.
In embodiment described in the utility model, circulation fluid filtration dress in described filtrate cycle pipeline 7, can be provided with
Put and circulation fluid impurity blowoff valve 9.Described biofiltration device 10 bottom can be provided with shower water blowoff valve.
Understand technique scheme of the present utility model for convenience, below by way of specifically used mode to the utility model
Technique scheme be described in detail.
It is collected collecting by preposition blower fan 2 by gas collection pipeline 1 after each dispersion source of the gas is airtight, enter back into biology
The entrance of trickling 3, bio-trickling device 3 is main by hydrogen sulfide, ammonia and some water miscible gas in VOCs class gas
Composition is removed, it is therefore an objective to avoid the treatment effect generation impact of the biofiltration on back segment and membrane filtration.In bio-trickling device 3
Portion is equipped with wrong gas medium 4, and there is the first spray equipment 5 upper end, and the water of spray is water for industrial use, by water pump 6 by dripping filtrate cycle
Pipeline 7 is recycled to bio-trickling device 3 top and sprays, and is drained into dirt when dripping filtrate pH and being too low by a filtrate blowoff valve 8
Water factory's sewage disposal system, the impurity that circulation fluid filtration device 1 filters discharged by circulation fluid impurity blowoff valve 9.Source of the gas is entered by bottom
Enter bio-trickling device 3, in opposite direction with shower water, be so conducive to contacting of gas and water, mistake gas medium 4 is also for increasing
The contact area of aerating body and water and time, reach good solute effect；Gas is entered into life by bio-trickling device 3 top
Thing filter 10 top, gas is upper entering and lower leaving inside biofiltration device 10, is to have in the middle part of biofiltration device 10
The biological oxidation filter bulb 11 of biological adsorption and oxidative function, the second spray equipment 12 is arranged at top, and the second spray equipment 12 periodically sprays
Drenching fresh water, making biological oxidation filter bulb 11 keep humidity is 40 to 55%, is suitable for the biochemical action of microbial function bacterium.Gas from
Out entering into membrane filtration separative element 14 by gas delivery line 13 afterwards bottom biofiltration device 10, membrane filtration separates single
The material that unit 14 uses is PolyEtherImide (PEI) film, for the separation of VOCs gas, due to dissolving in film for the various gases
With the difference of diffusion coefficient, cause relative permeation rates in film for the gas variant.In driving force film pressure at both sides difference
Under effect, the comparatively faster gas of infiltration rate, such as water vapour (H2O), hydrogen (H2), carbon dioxide (CO2) and oxygen (O2)
And portion of methane (CH4), nitrogen (N2) and the gas such as carbon monoxide (CO) preferentially pass through film, membrane filtration separative element 14 rear portion
The gas that be will transmit through by rearmounted blower fan 15 is directly discharged by chimney 17 by gas exhaustion line 16, does not results in pollution；And
The hydrocarbon gas of the relatively slow gas of infiltration rate such as carbon more than 3 is then enriched with in the delay side of film, thus reaches gaseous mixture
The purpose that body separates, the enriched gas being detained side is transported to the preposition blower fan before biological processing unit by entrapped air volume pipeline 18
2 forward end gas collecting 1, carry out the circulation treatment of gas.
In sum, the utility model patent uses two-part biological treatment to be combined with membrane separation technique, it is possible to achieve
The thoroughly biodegradable and qualified discharge of VOCs waste gas, the utility model has that flow process is simple, the VOCs rate of recovery high, energy consumption is low,
The advantage of non-secondary pollution.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in the utility model
Protection domain within.
Claims (4)
1. a device for two sections of bioanalysises and membrane filtration combined treatment VOCs class waste gas, including at gas collection unit, biology
Reason unit and membrane filtration separative element, it is characterised in that described gas collection unit includes gas collection pipeline and preposition blower fan；
Described biological processing unit includes bio-trickling device and biofiltration device, and described bio-trickling device top is provided with the first spray
Shower device, is provided with wrong gas medium in the middle part of described bio-trickling device, described bio-trickling device bottom connects gas collection pipeline
With a filtrate cycle pipeline, being provided with and drip a filtrate blowoff valve bottom described bio-trickling device, described filtrate cycle pipeline passes through
Water pump connects described first spray equipment；The top of described biofiltration device is provided with the second spray equipment and connects described biology
Trickling top, is provided with biological oxidation filter bulb in the middle part of described biofiltration device, gas is passed through in described biofiltration device bottom
The described membrane filtration separative element of body delivery line connection, the gas of described membrane filtration separative element is detained side and passes through entrapped air volume pipe
The gas collection pipeline of the described preposition blower fan front end of road connection, the gas permeation side of described membrane filtration separative element is arranged by gas
Putting pipeline and connecting gas blowdown stack, described discharge pipe connects rearmounted blower fan.
2. the device of two sections of bioanalysises according to claim 1 and membrane filtration combined treatment VOCs class waste gas, its feature exists
In described membrane filtration separative element uses PolyEtherImide filter membrane.
3. the device of two sections of bioanalysises according to claim 1 and membrane filtration combined treatment VOCs class waste gas, its feature exists
In being provided with circulation fluid filtration device and circulation fluid impurity blowoff valve in described filtrate cycle pipeline.
4. the device of two sections of bioanalysises according to claim 1 and membrane filtration combined treatment VOCs class waste gas, its feature exists
In described biofiltration device bottom is provided with shower water blowoff valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620211396.9U CN205672754U (en) | 2016-03-18 | 2016-03-18 | A kind of two sections of bioanalysises and the device of membrane filtration combined treatment VOCs class waste gas |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620211396.9U CN205672754U (en) | 2016-03-18 | 2016-03-18 | A kind of two sections of bioanalysises and the device of membrane filtration combined treatment VOCs class waste gas |
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| CN205672754U true CN205672754U (en) | 2016-11-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109276993A (en) * | 2018-11-28 | 2019-01-29 | 北京博阳环拓环保科技有限公司 | A kind of cooperating type VOC bioremediation and cooperating type VOC biological treatment system |
-
2016
- 2016-03-18 CN CN201620211396.9U patent/CN205672754U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109276993A (en) * | 2018-11-28 | 2019-01-29 | 北京博阳环拓环保科技有限公司 | A kind of cooperating type VOC bioremediation and cooperating type VOC biological treatment system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210521 Address after: 101300 No.19 Dongying Road, Zhaofeng industrial base, zhaoquanying Town, Shunyi District, Beijing Patentee after: BEIJING WEIYUTE TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 100101 808, block F, triumph City, 170 Beiyuan Road, Chaoyang District, Beijing Patentee before: BEIJING VICTEX ENVIRONMENTAL PROTECTION TECHNOLOGY DEVELOPMENT Co.,Ltd. |