CN106237832A - A kind of tower biological filter emission-control equipment saving occupation of land - Google Patents
A kind of tower biological filter emission-control equipment saving occupation of land Download PDFInfo
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- CN106237832A CN106237832A CN201610738690.XA CN201610738690A CN106237832A CN 106237832 A CN106237832 A CN 106237832A CN 201610738690 A CN201610738690 A CN 201610738690A CN 106237832 A CN106237832 A CN 106237832A
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- biological filter
- tower biological
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- biofilter
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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
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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
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
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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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- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (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 present invention provides a kind of tower waste gas biofilter processing means saving occupation of land, it is mainly characterized by, tower biological filter is to be made up of multiple identical biological filter unit layer superposition from the bottom to top, tower biological filter shape is cylinder, cuboid or other shapes, each elementary layer is set to relatively independent biofilter processing unit, i.e. air inlet and the air vent of each independent biofilter processing unit is parallel with one another, is simultaneously connected with air inlet pipe and exhaustor.Waste gas respectively enters the processing unit of each layer by admission line, after treatment, unified by emission by exhaust pipe, its advantage is that floor space is little, flexible operation, multiple combination technique can be realized, improve treatment effeciency, adapt to the fluctuation of pollutant emission load, be especially suitable for industrial waste gas VOCs and odor treatment.
Description
Technical field
The present invention relates to the biological treatment of the odor pollution thing such as volatile organic matter VOCs, hydrogen sulfide in a kind of waste gas of degrading
Device, a kind of tower biological filter emission-control equipment saving occupation of land, flexible operation.
Background technology
Volatile organic matter VOCs(Volatile Organic Compounds) refer to that boiling point is at the chemical combination of 50 250 DEG C
Thing, under room temperature, saturated vapour pressure is more than 133.32Pa, the type organic being present in vapour form in air.VOCs composition is multiple
Miscellaneous, of a great variety, essentially from industries such as building decoration, organic chemical industry, petroleum and petrochemical industry, packages printing, external coatings.Volatility
Organic substance VOCs is one of four big atmosphere pollutions, belongs to formation PM2.5 and the key factor of photochemical fog, it is possible to infringement people
Somatic nervous system, blood constituent and cardiovascular system are very big to health and social environment influence.Hydrogen sulfide is from natural gas
The production processes such as purification, petroleum refining, and coal gas processed, process hides, pharmacy, papermaking, synthesis chemical fibre.Hydrogen sulfide is colourless gas
Body, irritant stench, volatile, it is one of the major pollutants of air, is not only detrimental to health, also can set by heavy corrosion
Standby etc..At present, the foul smell technology such as VOCs and hydrogen sulfide of administering includes active carbon adsorption, burns and Production by Catalytic Combustion Process, condensation skill
Art, chemical absorbing technology, plasma technique, photocatalysis technology, membrane separation technique and biodegradation technique etc..Wherein, waste gas
Purification biotechnology, especially biofilter purification techniques, have that processing cost is low, the feature of non-secondary pollution, at home and abroad
Developed rapidly, be particularly suited for processing high flow capacity, low concentration VOCs and foul smell discharge.Although biofilter technology has aobvious
Work advantage, but there is also the problems such as floor space is big, treatment effeciency is unstable.Industrial undertaking often uses land limited, pollutes
Thing discharge fluctuation, common biofilter technology application is subject to certain restrictions.Owing to ordinary biofilter volume is fixed, when useless
During the change of gas air quantity, the waste gas time of staying in biofilter also can change, affect steady removal efficiency.Due to micro-life
Thing growth is more slow, and when waste gas air quantity and pollutant levels amplitude of variation are bigger, in the reactor short time, more difficult adaptation, past
Toward causing emission compliance difficulty.
Summary of the invention
The present invention seeks to for not enough present in above-mentioned technology, it is provided that save occupation of land, flexible operation, adaptation Industry Waste
The tower biological filter emission-control equipment of gas discharge fluctuation.
The object of the present invention is achieved like this, including multiple biofilters processing unit, filler, support gas distribution net, enters
Trachea, exhaustor, spray header, blower fan, water pump and percolate delivery pipe etc..It is characterized in that, tower biological filter is by multiple
Identical biofilter processing unit superposition from the bottom to top is constituted, and its shape is cylinder, cuboid or other shapes.Each list
Unit's layer is set to relatively independent biofilter processing unit.The air inlet of each independent biofilter processing unit and aerofluxus
Mouth is parallel with one another, is simultaneously connected with an air inlet pipe and an exhaustor.Waste gas respectively enters the place of each layer by admission line
Reason unit, after purifying, then concentrates discharge by discharge tube.Air inlet pipe connects the blower fan shared, and connects unit
The air inlet of layer.Before entering each elementary layer air inlet, set air inlet valve respectively.Spray header front end connects water pump,
It is connected with the shower water shower nozzle at unit layer top.Before shower water enters each elementary layer, it is respectively provided with spray header
Valve.Each unit layer top arranges waste gas outlet, and is connected with exhaustor.Percolate floss hole is set bottom each unit layer, and
It is connected with percolate delivery pipe, unified discharge tower biological filter.
Beneficial effect of the present invention
Present invention outstanding advantages is that floor space is little, owing to using tower structure, by traditional biological filter tank big for floor space
Verticalization, is greatly saved floor space.Such as, certain industrial pollution source VOCs discharge amount of exhaust gas is 15000m3/ h, is stopped by empty bed
Staying the time (EBRT) is 60s, and packed height is 2m, and ordinary biofilter floor space needs about 125m2.According to the present invention's
Tower biological filter processes, and by 5 elementary layer designs, total height is more than 10m, and floor space is only the 1/ of ordinary biofilter
5, i.e. 25m2。
Secondly as tower biological filter each unit layer is relatively independent biofilter processing module, pass through intake valve
The simple opening and closing of door, the just operation quantity of scalable biofilter processing unit, with flexible adaptation industrial gas emission
Change undulatory property, and convenient for automatically controlling offer.The present invention lists three kinds of different compound modes as an example:
(1) series connection between upper and lower two elementary layers in same tower biological filter；Series connection between (2) two set tower biological filters；(3)
Series connection one by one between two set tower biological filter same unit layers.Additionally, also other combinations can be carried out according to practical situation.Always
It, owing to ordinary biofilter being divided into independent elementary layer, the tower biological filter of the present invention is flexible adaptation pollutant
The fluctuation of discharge load (air quantity and pollutant levels) provides approach, is especially suitable for industrial waste gas VOCs and odor treatment.
3rd, two-stage tower biological filter tandem compound, it is convenient to increase the empty bed time of staying of exhaust-gas treatment
(EBCT), thus realize the efficient removal of pollutant VOCs and foul smell.Coordinate the filler combination of different characteristic, at further raising
Reason efficiency, reduces the operation problems such as blocking.Process in the first order and use the filler that particle diameter is relatively big, voidage is relatively big, be not easily blocked,
The filler that particle diameter is less, voidage is less, absorbability is stronger is used in the second level processes.The first order so can be avoided raw
Thing biofilter unit layer holds susceptible to plugging problem, can improve again treatment effeciency.
In a word, the tower biological filter of the present invention, the biofilter that common level is laid vertically is changed, modularity, pole
Reduce greatly floor space, add the suitability and the motility for the treatment of facility；By two-stage series connection and different filler combination,
Add the sky bed time of staying, reduce operation troubles, improve pollutants removal rate.The tower biological filter of the present invention, can be extensive
It is applied to sewage pumping station, sewage disposal, Treatment of Sludge, refuse disposal, fermentation pharmacy, rubber plastic, paint, printing and dyeing skin
Leather, domestic animal cultivation, food processing, paper-making industry produce a large amount of volatile organic matters (VOCs) or the industrial trade of foul smell.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram
Fig. 2 is tower biological filter of the present invention processing unit structural representation
Fig. 3 is that tower upper and lower two-layer series connection in the present invention same biofilter processes waste gas schematic diagram
Fig. 4 tower biological filter of the present invention two-stage series connection waste gas treatment process schematic diagram
Fig. 5 is two-stage tower biological filter of the present invention elementary layer series connection waste gas treatment process schematic diagram.
Detailed description of the invention
100 tower biological filter elementary layers, 101 air inlet pipe, 102 blower fans, 103 support gas distribution net, percolate row bottom 104
Put pipe, 105 bio-filter stuffings, 106 shower nozzles, 107 water pumps, 108 water pipes, 109 air inlet valves, 110 spray header valves,
111 exhaustors, 112 air inlets, 113 air vents, 114 percolate outlets, 115 first order tower biological rate ponds, 116 second level
Tower biological filter, 117 first order bio-filter stuffings, 118 second level bio-filter stuffings, 119 blower fans, 120 waste gas connect
Pipe
The present invention will be further described below in conjunction with the accompanying drawings,
Fig. 1 understands, and tower biological filter is columnar tank, and its cross section can be circular, square, rectangle or other shapes
Shape.If tank body overlaps the identical elementary layer of stem structure 100 from top to bottom.An air inlet 112 is set bottom each elementary layer.Useless
Gas air inlet pipe 101 front end sets a blower fan 102.Air inlet pipe 101 end is connected with the air inlet 112 bottom each unit layer respectively.?
Setting valve 119 before each unit layer bottom air inlet, the waste gas controlling each elementary layer enters.Elementary layer bottom side sets diafiltration
Liquid floss hole 114, is then connected with percolate delivery pipe 104, with the percolate accumulated in discharging each unit.At the bottom of biofilter
A certain size waste gas cavity is stayed in portion, and it is provided above supporting gas distribution net 103.Biology is uniformly laid on gas distribution net 103 supporting
Filter tank filler 105.Bio-filter stuffing 105 top arranges irrigation system, including some shower nozzles 106 and water pipe 108.Water pipe 108
Front end sets a water pump 107, for shower water is extracted into each biological filter unit layer.Biological filter unit layer is entered at water pipe 108
Before, if valve 110, to control shower water entrance.Each elementary layer top sets an exhaust vent 113, and air vent 113 is in succession
Waste gas exhaust pipe 111, waste gas is after biodegradation, by exhaustor 111 qualified discharge.
Fig. 2 understands, and tower biological filter elementary layer is the tank body of cylinder, cuboid or other shapes.Tower unit layer
Bottom sets an air inlet 112, and exhaust inlet pipe 101 is connected with air inlet 112 by valve 109.Tower biological filter elementary layer
Bottom sets percolate floss hole 114, is connected with percolate delivery pipe 104.The waste gas staying a certain size bottom biofilter is empty
Chamber, it arranges support gas distribution net 103.Bio-filter stuffing 105 is uniformly laid on gas distribution net 103 supporting.Biofilter is filled out
Expect that 105 tops are some shower nozzles 106.Shower nozzle 106 is connected with water pipe 108, before water pipe is connected into elementary layer, arranges valve
110.Biological filter unit layer top sets an exhaust vent 113, and air vent 113 is connected with waste gas exhaust pipe 111.Waste gas warp
After crossing biodegradation, discharge exhaustor 111.
Tower biological filter waste gas treatment process is as follows: pending waste gas is passed through blower fan 102 through each list by air inlet pipe 101
Unit's layer valve 109 and air inlet 112 enter bottom biological filter unit layer, by the support gas distribution net 103 bottom each unit layer
Even into the biologic packing material layer 105 in elementary layer.Biologic packing material 105 apposition growth many includes the microorganism such as antibacterial, fungus.
Through microorganism absorption, absorb and degrade, the pollutant such as VOCs and foul smell are degraded and are removed.Through purification gas by
The air vent 113 of each unit layer focuses on waste gas exhaust pipe 111 and discharges.For the humidity that holding is certain, need filler is watered
Fill.By feeding spraying pump 107, shower water is respectively delivered to the shower nozzle at each unit layer top.The shower water of each elementary layer by
Aqueduct valve 110 controls.Valve 110 can be according to service requirement, manual or automatic control.The percolate that each elementary layer produces is then
Focus on delivery pipe 104 by bottom percolate row's mouth 114 and discharge biofilter.
The tower biological filter of the present invention is equivalent to common biofilter is divided into some separate processing units, then
These processing units are in parallel, and vertical pile from top to bottom, it is built into tower structures.It is achieved in that biofilter
Unit-modularized and verticalization, in the case of minimum floor space, it is possible to process large quantity of exhaust gas.So, the most greatly reduce
General filter chamber floor space, and change the single structure of ordinary biofilter, by biological filter unit and modularity,
Make biofilter process waste gas and there is motility and extensibility, thus adapt to industrial gas emission air quantity and pollutional load
Change.
Several process combination of the tower biological filter that use the present invention are set forth below.
From the figure 3, it may be seen that under conditions of keeping tower biological filter overall structure holding constant, by the former air vent of lower floor
113 are connected with the waste gas inlet 112 of last layer by waste gas connecting tube 120, it is achieved series connection processes.Additionally, upper lower unit
Layer can lay different fillers respectively, and first order bio-filter stuffing 117 lays in lower floor, and upper strata is laid biofilter, the second level and filled out
Material 118, to adapt to the needs of exhaust-gas treatment.Owing to waste gas is introduced into lower floor's biological filter unit, concentration is higher, and microorganism obtains
Nutrient is more, and growth of microorganism is very fast, and biomembrane accumulating rate is fast, results in blockage, therefore lower floor's filler particles be relatively large in diameter, empty
Gap rate is relatively big and the first order bio-filter stuffing 117 that is not easily blocked.Owing to pollutant purify through lower floor's biological filter unit
After, concentration is relatively low, and it is tower that upper strata biological filter unit fills the second level that particle diameter is less, voidage is less, absorbability is stronger
Bio-filter stuffing 118, so contributes to microorganism contact growth, further degradation of contaminant, stably reaching standard.
As shown in Figure 4, i.e. tower biological filter two-stage series connection processes.This technique is made up of two-stage tower biological filter: the
One-level tower biological filter 115 and tower biological filter, the second level 116.Arrange after the exhaustor of first order tower biological filter 115
Blower fan 119, blower fan 119 air inlet pipe with tower biological filter, the second level 116 again is connected.Two-stage is laid not in tower biological filter
Filler with type: the first order that particle diameter is relatively big, voidage is relatively big and is not easily blocked is laid in first order tower biological filter
Bio-filter stuffing 117；Tower biological filter, the second level lays that particle diameter is less, voidage is less, absorbability is stronger
Tower biological filter, second level filler 118.
As shown in Figure 5, i.e. it is in series mutually between the elementary layer of two tower type filter chambers.It is made up of two set tower biological filters:
First order tower biological filter 115 and tower biological filter, the second level 116.The row of first order tower biological filter unit layer
QI KOU by pipeline directly air inlet with tower biological filter, the second level be connected.Waste gas is after unit has processed, by
The exhaustor of two grades of tower biological filters is discharged.Filling different types of filler in two-stage tower biological filter, the first order is tower
In biofilter 115, filler particles is relatively large in diameter, voidage is relatively big and is not easily blocked first order bio-filter stuffing 117.Second
Fill, in level tower biological filter 116, the tower biological filter, the second level that particle diameter is less, voidage is less, absorbability is stronger to fill out
Material 118.
Thus can demonstrate,prove, draw inferences about other cases from one instance, the example be given except the present embodiment, moreover it is possible to do multiple combination.
Claims (2)
1. save a tower biological filter emission-control equipment for occupation of land, including multiple biofilters processing unit, biological filter
Pond filler, support gas distribution net, air inlet pipe, exhaustor, spray header, percolate delivery pipe, blower fan, water pump, is characterized in that, tower
Biofilter is to be made up of multiple identical biofilter processing unit superpositions from the bottom to top, and its shape is cylinder, cuboid
Or other shapes, each elementary layer is set at relatively independent biofilter processing unit, i.e. each independent biofilter
Admission line and the discharge duct of reason unit are parallel with one another, are simultaneously connected with a total inlet pipe and a total air escape pipe, and waste gas leads to
Cross admission line and respectively enter the processing unit of each layer, after purifying, then concentrate discharge by discharge tube；Air inlet pipe is even
Connect shared blower fan, and connect the air inlet of unit layer, before entering each elementary layer air inlet, set air inlet respectively
Valve, spray header front end connects water pump, is connected with the shower water shower nozzle at unit layer top, enters each at shower water
Before elementary layer, being respectively provided with spray header valve, each unit layer top arranges waste gas outlet, and is connected with exhaustor, each unit
Percolate floss hole is set bottom Ceng, and is connected with percolate delivery pipe, unified discharge tower biological filter.
A kind of tower biological filter emission-control equipment saving occupation of land the most according to claim 1, is characterized in that, same
It is in series mutually between the elementary layer of tower biological filter, the series connection between two-stage tower biological filter, two-stage tower biological filter
Series connection one by one between elementary layer；The different types of filler of filling in two-stage tower biological filter: first order tower biological filter
Lay the filler that particle diameter is relatively big, voidage is relatively big and is not easily blocked；Tower biological filter, the second level lays that particle diameter is less, space
The filler that rate is less, absorbability is stronger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610738690.XA CN106237832A (en) | 2016-08-29 | 2016-08-29 | A kind of tower biological filter emission-control equipment saving occupation of land |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610738690.XA CN106237832A (en) | 2016-08-29 | 2016-08-29 | A kind of tower biological filter emission-control equipment saving occupation of land |
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| Publication Number | Publication Date |
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| CN106237832A true CN106237832A (en) | 2016-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610738690.XA Pending CN106237832A (en) | 2016-08-29 | 2016-08-29 | A kind of tower biological filter emission-control equipment saving occupation of land |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107088354A (en) * | 2017-06-26 | 2017-08-25 | 深圳市友健科技有限公司 | Biophotolysis purifier |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101259367A (en) * | 2008-04-17 | 2008-09-10 | 东北电力大学 | Technique and device for simultaneously removing malodor of multiple gas mixture |
| CN101912724A (en) * | 2010-08-12 | 2010-12-15 | 江苏苏净集团有限公司 | Multifunctional bacterial filter waste gas treatment device |
| CN206082154U (en) * | 2016-08-29 | 2017-04-12 | 郑晓宇 | Save tower biological filter exhaust treatment device who takes up an area of |
-
2016
- 2016-08-29 CN CN201610738690.XA patent/CN106237832A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101259367A (en) * | 2008-04-17 | 2008-09-10 | 东北电力大学 | Technique and device for simultaneously removing malodor of multiple gas mixture |
| CN101912724A (en) * | 2010-08-12 | 2010-12-15 | 江苏苏净集团有限公司 | Multifunctional bacterial filter waste gas treatment device |
| CN206082154U (en) * | 2016-08-29 | 2017-04-12 | 郑晓宇 | Save tower biological filter exhaust treatment device who takes up an area of |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107088354A (en) * | 2017-06-26 | 2017-08-25 | 深圳市友健科技有限公司 | Biophotolysis purifier |
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Application publication date: 20161221 |