CN207493492U - A kind of VOCs biological treatment devices - Google Patents
A kind of VOCs biological treatment devices Download PDFInfo
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- CN207493492U CN207493492U CN201721550080.3U CN201721550080U CN207493492U CN 207493492 U CN207493492 U CN 207493492U CN 201721550080 U CN201721550080 U CN 201721550080U CN 207493492 U CN207493492 U CN 207493492U
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- tower body
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- biological treatment
- pond
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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 VOCs biological treatment devices, including preposition centrifugal blower, bio-trickling filter, first circulation pumps, bio-trickling filter includes tower body, it is arranged on the spray thrower on tower body top, the drop filter filler being arranged in the middle part of tower body, the gas distributor for being arranged on tower body lower part and the air inlet for being arranged on tower body bottom, tower body bottom is spray liquid holding tank, leakage fluid dram is provided on spray liquid holding tank, preposition centrifugal blower is connect with air inlet, it is pumped and connected by first circulation between leakage fluid dram and spray thrower, it is characterized in that, further include second circulation pump, biodegradable pond, second circulation mouth is provided on spray liquid holding tank, second circulation mouth is connect with the feed end in biodegradable pond by pipeline, it is pumped and connected by second circulation between the discharge end and spray thrower in biodegradable pond.It is mainly used for the biological removal of VOC gas.
Description
Technical field
The utility model belongs to field of chemical equipment, and in particular to a kind of VOCs biological treatment devices.
Background technology
Petroleum ＆ Petrochemical Enterprises in process of production, due to device maintenance leakage, storage tank loss, sewage disposal process volatilize
Discharge etc. can all generate exhaust gas, and the main component of exhaust gas is the pollutants such as alkane, alkene, mercaptan, thioether, aromatic compound.
Generally removing above-mentioned VOC gas mainly has the removals such as absorption process, absorption method, plasma method, photocatalytic method, combustion method, bioanalysis
Mode, wherein bioanalysis are to be widely used at present and a kind of method of safety, but there are equipment volume is big, place for bioanalysis at present
The problems such as effect is limited is managed, especially for the water insoluble ingredients in VOCs exhaust gas, treatment effeciency is low.
Utility model content
Technical problem to be solved in the utility model is：How a kind of efficient and cheap operating cost volatility is provided
Organic matter removal device.
The technical solution of the utility model is：A kind of VOCs biological treatment devices, including preposition centrifugal blower, bio-trickling
Tower, first circulation pump, bio-trickling filter include tower body, the spray thrower for being arranged on tower body top, the drop being arranged in the middle part of tower body filter
Filler, the gas distributor for being arranged on tower body lower part and the air inlet for being arranged on tower body bottom, tower body bottom are stored for spray liquid
Slot is provided with leakage fluid dram on spray liquid holding tank, and preposition centrifugal blower connect with air inlet, passes through between leakage fluid dram and spray thrower
First circulation pump connection further includes second circulation pump, biodegradable pond, second circulation mouth is provided on spray liquid holding tank, the
Two circulation ports are connect with the feed end in biodegradable pond by pipeline, by the between the discharge end and spray thrower in biodegradable pond
Two circulating pumps connect.
Further, it is provided with hydraulic barrier in biodegradable pond.
Further, it is provided with aerator in biodegradable pond.
Further, aerator is made of air pump and the aeration tube being connected on air pump.
Further, it is provided with electrically operated valve on the pipeline between second circulation mouth and biodegradable pond.
Pending VOC gas are entered by preposition centrifugal blower from the air inlet of bio-trickling filter lower part, by tower body
Interior gas distributor is sailed against the current, and equipped with drop filter filler in tower body, the spray liquid of spray liquid holding tank will by first circulation pump
Spray liquid is transported to spray thrower and is sprayed, and is come into full contact with gas on drop filter filler surface, completes gas-liquid mass transfer and reach
Adsorb the purpose of capture.Spray liquid in tower body is discharged into certain speed in biodegradable pond by second circulation mouth, is utilized
The ability of function bacterium degradation VOC gas regenerates spray liquid, and the spray liquid after regeneration is returned to by second circulation pump circulation
At the top of tower body,
It is sprayed by spray thrower.
Compared with prior art, the utility model has the advantages that：
The utility model emphasis considers the capture and bioaugmentation and biodegradation to VOCs exhaust gas, and equipment is simple, easy to operate, absorption
The material of saturation is utilized by mixed biologic bacterium processing Posterior circle, does not generate secondary pollution, operating cost is greatly saved.This reality
New device small volume is tested, it is simple for process, it is especially suitable for the removal of underload volatile organic matter.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Reference numeral is in figure：The preposition centrifugal blowers of 1-, 2- gas distributors, 3- tower bodies, 4- first circulations pump, 5- sprays
Device, 6- drops filter filler, 7- biodegradations pond, 8- hydraulic barriers, 9- second circulations pump, 10- air pumps, 11- aeration tubes.
Specific embodiment
Embodiment 1
As shown in Figure 1, a kind of VOCs biological treatment devices, including preposition centrifugal blower 1, bio-trickling filter, first circulation
Pump 4, bio-trickling filter includes tower body 3, the spray thrower 5 that is arranged on 3 top of tower body, the drop filter filler 6 for being arranged on the middle part of tower body 3,
The gas distributor 2 for being arranged on 3 lower part of tower body and the air inlet for being arranged on 3 bottom of tower body, 3 bottom of tower body are stored for spray liquid
Slot is provided with leakage fluid dram on spray liquid holding tank, and preposition centrifugal blower 1 is connect with air inlet, leads between leakage fluid dram and spray thrower 3
First circulation pump connection 4 is crossed, second circulation pump 9, biodegradable pond 7 is further included, second circulation is provided on spray liquid holding tank
Mouthful, second circulation mouth is connect with the feed end in biodegradable pond 7 by pipeline, the discharge end and spray thrower 5 in biodegradable pond 7 it
Between pass through second circulation pump 9 connection.
Embodiment 2
On the basis of embodiment 1, hydraulic barrier 8 is provided in biodegradable pond 7.Hydraulic barrier 8 is set, work(can be extended
Energy bacterium is to the recovery time of gas.
Embodiment 3
On the basis of embodiment 1 or 2, aerator is provided in biodegradable pond 7.Increase aerator, ensure life
The oxygen demand of object function bacterium eubolism.
Embodiment 4
On the basis of embodiment 3, aerator is made of air pump 10 and the aeration tube 11 being connected on air pump 10.
Embodiment 5
On the basis of embodiment 1, electrically operated valve is provided on the pipeline between second circulation mouth and biodegradable pond 7.
Electrically operated valve, convenient for control loop amount.
Experimental example 1
Air source comes from certain wastewater treatment field sewage with oil pond entrance, and tower body diameter 1.2m, height 2.5m import non-methane total hydrocarbons is dense
It spends for 350mg/m3, benzene 14mg/m3, toluene 21mg/m3Dimethylbenzene 35mg/m3, charge flow rate 240m3/ h, gas by it is preposition from
Heart wind turbine enters tower body bottom, is come into full contact on drop filter filler surface with circulation fluid in tower body, and drop filter filler is cartwheel pattern
Filler, volume 1.33m3, filler superficial residence time is filtered as 20s in drop by calculating gas, and amount of liquid is 0.8m in tower body3,
Internal circulation of liquid spray flux is 0.42m3/ h, the liquid under spraying is by electrically operated valve with 0.3m3The speed of/h enters biodegradation
In pond, biodegradable pool size is 3*2*1m, and liquid residence time in biodegradable pond is pumped by second circulation with same for 20h
Sample 0.3m3/ h speed is entered in spray thrower, and total spray flux is 0.72m3/ h, liquid-gas ratio 3L/m3, spray thrower is tubular type spray
Device, size 1000*900mm, wherein a concentration of 85mg/m3 of gas vent, benzene exit concentration are 3mg/m3, toluene exit concentration
8mg/m3, dimethylbenzene exit concentration 12mg/m3, device total hydrocarbon treatment effeciency is up to 75.7%, and benzene treatment effeciency is 78.5%, toluene
Treatment effeciency is 61.9%, and hexichol treatment effeciency is 65.7%, and exit concentration meets petrochemical industry pollutant GB31571-2015
Discharge standard, qualified discharge.
Experimental example 2
Air source comes from certain wastewater treatment field sewage oil separator, tower body diameter 1.2m, height 2.5m, and import non-methane total hydrocarbons is a concentration of
420mg/m3, benzene 18mg/m3, toluene 30mg/m3Dimethylbenzene 31mg/m3, charge flow rate 216m3/ h, gas is by preposition centrifugation wind
Machine enters tower body bottom, is come into full contact on drop filter filler surface with circulating liquid in tower body, and drop filter filler is filled out for cartwheel pattern
Material, volume 1.25m3, filler superficial residence time is filtered as 20.8s in drop by calculating gas, and amount of liquid is 0.8m in tower body3,
Internal circulation of liquid spray flux is 0.55m3/ h, the liquid under spraying is by electrically operated valve with 0.3m3The speed of/h enters biodegradation
In pond, the biodegradation pool size is 3*2*1m, and liquid residence time in biodegradable pond pumps for 20h by second circulation
With similary 0.3m3/ h speed is entered in spray thrower, and total spray flux is 085m3/ h, spray thrower are tubular type spray thrower, and size is
A concentration of 76mg/m3 of 1000*900mm gas vents, wherein benzene exit concentration are 2.6mg/m3, toluene exit concentration 7.1mg/m3,
Dimethylbenzene exit concentration 10.1mg/m3, device total hydrocarbon treatment effeciency is up to 81.9%, and benzene treatment effeciency is 85.5%, toluene processing
Efficiency is 76.3%, and hexichol treatment effeciency is 67.4%, and exit concentration meets petrochemical industry pollutant GB31571-2015 discharges
Standard, qualified discharge.
Claims (5)
1. a kind of VOCs biological treatment devices, including preposition centrifugal blower, bio-trickling filter, first circulation pump, bio-trickling filter
Including tower body, the spray thrower that is arranged on tower body top, the drop filter filler being arranged in the middle part of tower body, the gas for being arranged on tower body lower part
Distributor and the air inlet for being arranged on tower body bottom, tower body bottom are spray liquid holding tank, the row of being provided on spray liquid holding tank
Liquid mouth, preposition centrifugal blower are connect with air inlet, are pumped and connected by first circulation between leakage fluid dram and spray thrower, feature exists
In further including second circulation pump, biodegradable pond, second circulation mouth, second circulation mouth and life be provided on spray liquid holding tank
The feed end of object degraded pond is connected by pipeline, is pumped and connected by second circulation between the discharge end and spray thrower in biodegradable pond
It connects.
2. a kind of VOCs biological treatment devices according to claim 1, which is characterized in that folding is provided in biodegradable pond
Flow baffle.
3. a kind of VOCs biological treatment devices according to claim 1 or 2, which is characterized in that set in biodegradable pond
There is aerator.
4. a kind of VOCs biological treatment devices according to claim 3, which is characterized in that aerator is by air pump and connection
Aeration tube on air pump is formed.
5. a kind of VOCs biological treatment devices according to claim 3, which is characterized in that second circulation mouth and biodegradation
Electrically operated valve is provided on pipeline between pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721550080.3U CN207493492U (en) | 2017-11-20 | 2017-11-20 | A kind of VOCs biological treatment devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721550080.3U CN207493492U (en) | 2017-11-20 | 2017-11-20 | A kind of VOCs biological treatment devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207493492U true CN207493492U (en) | 2018-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721550080.3U Active CN207493492U (en) | 2017-11-20 | 2017-11-20 | A kind of VOCs biological treatment devices |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110339703A (en) * | 2019-07-16 | 2019-10-18 | 成都霸中霸科技发展有限责任公司 | A kind of factory's organic exhaust gas biological cleaning processing unit |
| CN110354672A (en) * | 2019-08-06 | 2019-10-22 | 东莞市康莱环保科技有限公司 | A kind of VOCs biological treating equipment |
-
2017
- 2017-11-20 CN CN201721550080.3U patent/CN207493492U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110339703A (en) * | 2019-07-16 | 2019-10-18 | 成都霸中霸科技发展有限责任公司 | A kind of factory's organic exhaust gas biological cleaning processing unit |
| CN110354672A (en) * | 2019-08-06 | 2019-10-22 | 东莞市康莱环保科技有限公司 | A kind of VOCs biological treating equipment |
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