CN106237836A - The vent gas treatment of a kind of sludge drying machine and discharging mechanism - Google Patents
The vent gas treatment of a kind of sludge drying machine and discharging mechanism Download PDFInfo
- Publication number
- CN106237836A CN106237836A CN201610675393.5A CN201610675393A CN106237836A CN 106237836 A CN106237836 A CN 106237836A CN 201610675393 A CN201610675393 A CN 201610675393A CN 106237836 A CN106237836 A CN 106237836A
- Authority
- CN
- China
- Prior art keywords
- filter material
- spray
- tail gas
- spray column
- discharging mechanism
- Prior art date
- 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.)
- Granted
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 36
- 238000001035 drying Methods 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 238000007599 discharging Methods 0.000 title claims abstract description 17
- 239000007921 spray Substances 0.000 claims abstract description 85
- 239000000463 material Substances 0.000 claims abstract description 71
- 244000005700 microbiome Species 0.000 claims abstract description 58
- 238000001914 filtration Methods 0.000 claims abstract description 36
- 238000001802 infusion Methods 0.000 claims abstract description 30
- 239000012530 fluid Substances 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 25
- 230000008569 process Effects 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 235000016709 nutrition Nutrition 0.000 claims abstract description 10
- 238000002372 labelling Methods 0.000 claims abstract description 9
- 239000000470 constituent Substances 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 40
- 238000003860 storage Methods 0.000 claims description 31
- 239000000428 dust Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 150000002894 organic compounds Chemical class 0.000 claims description 14
- 230000000813 microbial effect Effects 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 9
- 239000008187 granular material Substances 0.000 claims description 9
- 230000033228 biological regulation Effects 0.000 claims description 6
- 238000000354 decomposition reaction Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 239000006228 supernatant Substances 0.000 claims description 4
- 239000003575 carbonaceous material Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000001502 supplementing effect Effects 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 10
- 239000003610 charcoal Substances 0.000 abstract description 6
- 238000000746 purification Methods 0.000 abstract description 5
- 210000000416 exudates and transudate Anatomy 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 56
- 239000000203 mixture Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 230000009931 harmful effect Effects 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 4
- 150000002484 inorganic compounds Chemical class 0.000 description 4
- 229910010272 inorganic material Inorganic materials 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 231100000614 poison Toxicity 0.000 description 3
- 230000007096 poisonous effect Effects 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- SIKMVWPMDNIKAY-UHFFFAOYSA-N N-[(3-methoxyphenyl)methyl]-5H-chromeno[3,4-c]pyridine-8-carboxamide Chemical class COC=1C=C(CNC(=O)C=2C=CC3=C(C=2)OCC2=CN=CC=C23)C=CC=1 SIKMVWPMDNIKAY-UHFFFAOYSA-N 0.000 description 2
- -1 aldehyde compound Chemical class 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000005686 electrostatic field Effects 0.000 description 2
- 239000012717 electrostatic precipitator Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000628997 Flos Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 239000004531 microgranule Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- 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
- B01D53/85—Biological processes with gas-solid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/14—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by rotating vanes, discs, drums or brushes
-
- 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
- B01D53/14—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 by absorption
- B01D53/1456—Removing acid components
-
- 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
- B01D53/14—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 by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Treating Waste Gases (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The present invention proposes vent gas treatment and the discharging mechanism of a kind of sludge drying machine.The tail gas that sludge drying is produced by the present invention successively carries out dedusting, spray and biofiltration and processes.The present invention uses the microorganism filter material cultivated in charcoal substrate, enhances the adsorptivity to tail gas by the micropore of charcoal, and enhances the firmness of microorganism attachment；Centrifugal rotation structure is set, it is possible to the filtering residue of accumulation on timely and effective cleaning filter material, extends filter material service life, improve purification efficiency；Carry out filter material spraying fluid infusion, to maintain its suitable humidity, pH value and nutritional labeling, filter material transudate reclaimed, filter, constituent adjustment Posterior circle spray, the pollution in transudate can be removed, effectively control pH value and the component ratio of bulking liquor.
Description
Technical field
The present invention relates to technical field of sludge treatment, particularly relate to vent gas treatment and the discharge machine of a kind of sludge drying machine
Structure.
Background technology
Mud is a kind of important pollution output object formed in the middle of industrial and agricultural production and urban life, at water supply source
The activities such as the Industrial Wastewater Treatment such as purification, sanitary sewage emission treatment, papermaking, printing and dyeing, training of channel excavation and drainage dredging
In all can produce mud.Containing a large amount of harmful microorganisms, heavy metal and organic pollution in mud, if the most properly located
Put, natural environment and people's health can be brought serious negative effect.
Sludge incineration is to make the inflammable substance in mud at high temperature produce burning, makes its oxidation Decomposition, thus reaches
Reduce mud capacity, kill harmful microorganism, remove toxicity and make full use of the purpose of the energy.Sludge incineration is at present in state
The sludge high temperature treatment technology that outer application is relatively broad and ripe, can make sludge volume minimize, and have processing speed
Hurry up, place limits less, reduce transport stacks cost, secondary and utilizes the advantage of the energy.Sludge incineration technology is in China the most also
Obtain significant progress.
Sludge incineration is useless after including mud material collection, mechanical dehydration, sludge drying, burning, incineration flue gas process, burning
The links such as material process, heat recovery and utilization.Sludge drying is processing step required in the middle of sludge incineration.Mud raw material is through machine
Moisture content after tool processed remains at about 80%, in order to realize burning, it is necessary to further will by drying and other treatment
Its moisture content is reduced to about 40%-50%.
Mud drying process is mainly the process of moisture evaporation, the mode contacted according to heat-conducting medium with mud, is divided into straight
Connect mummification, indirectly drying.Directly mummification is to flow through the surface of mud as heat-conducting medium, by directly using hot-air or heat smoke
Contact is to sludge transfer heat.In indirectly drying, the heat-conducting medium such as conduction oil does not produces with mud and directly contact, but passes through to flow
Through internal heat exchanger, deliver heat to the mud outside heat exchanger, promote sludge water content to evaporate.
During mummification, except the moisture in mud is discharged in vapour form, the effumability contained in mud
Compound also can be converted into gaseous state therewith, forms sludge drying tail gas.Sludge drying tail gas complicated component, wherein inorganic compound bag
Including sulfide, ammonia etc., organic compound includes aminated compounds, aldehyde compound, VFA, ketone, ethers etc.
Composition, the many poisonous and harmfuls of these compositions, breath malodor, must be processed before discharge, otherwise be polluted the environment, and seriously be endangered
And health.It addition, sludge drying tail gas also can carry the dust from mud microgranule is master that wafts, it is also desirable to before discharging
Purify, otherwise can increase particulate in air content, cause heavy metal pollution.
The Main Means processing sludge drying tail gas in prior art is dust separation and compound absorption.Dust separation
The means such as Electrostatic Absorption dedusting or cyclonic separation dedusting can be used, remove the mud granule in tail gas.Compound absorb be with water,
Alkaline solutions etc. clean the tail gas after dedusting, absorb easily soluble component and acid ingredient in tail gas, reduce its harmfulness.But, existing
Some process technique can not remove all harmful components in tail gas more up hill and dale, particularly can not effectively remove and wherein can
Enough cause stench and bring that health of human body threatens containing active group organic compound；And the application of the compositions such as alkaline solution is also
Likely produce secondary pollution.
Biological treatment is the most emerging sludge drying tail gas processing mode, its principle be utilize in filtration tank micro-
Organic compound ingredient in tail gas is adsorbed and decomposes by biological filter material, makes these organic compound parts be converted into micro-
Composition required for self growth biological, another part is then converted into the filtering residue in filter material.This technology is to sludge drying tail gas
The scavenging action of middle harmful components is more thorough, does not has secondary pollution, can notable energy efficient, operating cost is significantly reduced.
The problem that existing biological treatment brings is: decline in organic compound ingredient adsorbed in tail gas and filter material
The microorganism died all can be converted into filtering residue, the micropore that filtering residue blocking filter material has, and affects gas permeability, and reduces absorption and make
With, it is difficult to again effectively clear up, therefore, causes microorganism filter material to shorten service life, need often to change；It addition, filter material
The performance of effect depends on the activity keeping wherein microorganism, therefore needs to provide suitable humidity and nutrient for microorganism, existing
In technology in filtration tank mounting spray head, rely on spray to keep the skin wet for the microorganism in filter material and nutriment and regulation pH value,
But, owing to spray solution is repeatedly circulated, its composition is difficult to control to, and is also easily subject in filter material the filtering residue and residual of accumulation
The pollution of liquid.
Summary of the invention
In view of problem above present in above-mentioned prior art, the present invention propose a kind of sludge drying machine vent gas treatment and
Discharging mechanism.The tail gas that sludge drying is produced by the present invention successively carries out dedusting, spray and biofiltration and processes；Wherein, utilize
Dust removal process removes wafing from mud granule in tail gas；By the soluble inorganic compound in cleaning showers tail gas, and increase
Tailing air humidity degree, strengthens biofiltration effect；In biofiltration tower with microorganism filter material absorption and decomposed tail gas in organic
Compound.The present invention uses the microorganism filter material cultivated in charcoal substrate, is enhanced tail gas by the micropore of charcoal
Adsorptivity, and enhance microorganism attachment firmness；Centrifugal rotation structure is set, it is possible to timely and effective cleaning filter material
The filtering residue of upper accumulation, extends filter material service life, improves purification efficiency；Carry out filter material spraying fluid infusion, to maintain it suitable
Humidity, pH value and nutritional labeling, reclaim filter material transudate, filter, constituent adjustment Posterior circle spray, can remove and ooze out
Pollution in liquid, effectively controls pH value and the component ratio of bulking liquor.
The invention provides vent gas treatment and the discharging mechanism of a kind of sludge drying machine, it is characterised in that including: dedusting fills
Put, spray column and biofiltration tower；Dust arrester is for removing the dust granules thing in the tail gas that sludge drying machine is discharged；
Spray column tail gas after cleaning showers removing dust device processes, removes inorganic soluble compound therein, and increases
Tail gas humidity；Biofiltration tower is the organic compound in the tail gas after spray column processes, biofiltration for absorption and decomposition
Microorganism filter material is set in tower, and to the spray fluid infusion of described microorganism filter material to maintain its suitable humidity, regulation filter material
Internal pH value and supplementary contained nutritional labeling；Further, the bottom of spray column is liquid storage tank, and the solution that this liquid storage tank stores is used for
For spray column itself spray process and biofiltration tower in spray fluid infusion feed flow.
Preferably, described spray column has air inlet pipe, and described air inlet pipe is by the bottom of tail gas input to spray column, air inlet
Pipe end is uniformly distributed some ventholes so that tail gas overflows；Air inlet pipe end is positioned under the liquid level of liquid storage tank；Spray column is also
Having mouth spray, described mouth spray is arranged at spray column top, is got off by the solution spraying extracted from liquid storage tank.
Preferably, described biofiltration tower top has jet head sets, and described jet head sets is made up of several shower nozzles, each
Shower nozzle is to the microorganism filter material spray fluid infusion being disposed below.
Preferably, described microorganism filter material includes support frame, substrate and microbial layer；Support frame is for by micro-
Biological filter material suspension be installed in biofiltration tower, and be supported and fixed on the substrate on this framework and be grown on substrate it
On microbial layer.
It may further be preferable that use biological carbon materials as described substrate.
Preferably, the support frame of described microorganism filter material cylindrically, and has rotation at the centrage of cylinder
Axle, biofiltration tower can built-in motor and drive mechanism thereof, by rotary shaft export torque, drive microorganism filter material around this axle
Rotate, rotate produced centrifugal action and make the filtering residue attached be thrown off microorganism filter material.
It may further be preferable that the periphery above support frame arranges the cover plate of semicircular arc so that upwards thrown away
Filtering residue can fall on described cover plate.
Preferably, the bottom of biofiltration tower has accumulator tank, this accumulator tank be used for collecting during centrifugal rotation from
Filtering residue that microorganism filter material throws away and fluid infusion, and reclaim microorganism filter material static time ooze the fluid infusion leached and nature from it
The filtering residue come off；Accumulator tank has the bottom of spill, and the minimum point of bottom arranges sludge outlet.
It may further be preferable that described accumulator tank has return duct, the supernatant after being precipitated by filtering residue is back to spray
Drench the liquid storage tank in tower.
Preferably, the solution in liquid storage tank is extracted by water pump, then along liquid-transport pipe-line through defecator, by branch
Joint is divided into two-way, and wherein a road enters biofiltration tower after component adjusting device, sample connection and connects jet head sets,
To provide fluid infusion, an other road return spray column and connect mouth spray, thus realizing following in spray column for microorganism filter material
Ring spray is drenched.
Visible, the tail gas that sludge drying is produced by the present invention successively carries out dedusting, spray and biofiltration and processes；Wherein,
Liquid storage tank is placed on inside spray column, it is achieved that space-saving；Circulated sprinkling reclaims and reduces total water consumption；There is specific knot
The microorganism filter material high adsorption capacity of structure and matrix components, microbial activity are high, filtering residue cleaning means quickness and high efficiency, it is possible to notable
Extend filter material service life, improve purification efficiency；Filter material is implemented spray fluid infusion, its humidity, pH value and nutritional labeling can be tieed up
Hold in suitable degree.
Accompanying drawing explanation
Fig. 1 is the overall architecture schematic diagram of the preferred embodiment of the present invention；
Fig. 2 is spray column and the biofiltration tower structural representation of the preferred embodiment of the present invention；
Fig. 3 is the microorganism filter medium structure schematic diagram of the preferred embodiment of the present invention.
Detailed description of the invention
Below by embodiment, technical scheme is done the brightest.
Fig. 1 is the overall architecture schematic diagram of the preferred embodiment of the present invention.Sludge drying machine 1 carries out heat drying dehydration to mud
Steam, escaping gas and the mud dust granules produced during processing this is discharged with the form of tail gas.Tail gas enters
Entering vent gas treatment and the discharging mechanism of the present invention, this mechanism specifically includes dust arrester 2, spray column 3 and biofiltration tower 4.
Tail gas performs dedusting in this mechanism successively, spray removes inorganic soluble compound, biofiltration absorption and decomposing organic
The process of compound so that the finally dust granules thing in the drying tail gas of airborne release and poisonous, harmful, odor pollutant quilt
Substantially eliminate, reach environmental emission standard.In order to ensure emission compliance, dust arrester 2, spray column 3 and biofiltration tower 4 are all
There is gas-tight property, it is ensured that the just tail gas in the middle of processing procedure will not be released out.
The concrete form of dust arrester 2 can use electrostatic precipitator or cyclone separator.Inside electrostatic precipitator
Generate high-voltage electrostatic field so that the mud dust granules in tail gas through electrostatic field carry electric charge and be adsorbed on electrode it
On.Cyclone separator makes the tail gas entering this device form the whirlwind of strong rotation by the agitation of blade, and density is big
Mud dust granules is thrown out of because of centrifugal action, thus is separated.Dust arrester 2 one aspect can be so that tail gas obtains only
Change, also on the other hand be able to reclaim mud granule and get up to be fed again into desiccation machine to process.After removing dust device 2 purifies
Tail gas and then successively entrance spray column 3, biofiltration tower 4 are processed.
Fig. 2 shows spray column and the biofiltration tower structural representation of the present invention.Tail gas after removing dust device 2 process
The bottom to spray column 3 is inputted by air inlet pipe 3001, and from the equally distributed some ventholes 3002 of air inlet pipe 3001 end
Overflow hence into spray column 3 internal.The bottom of spray column 3 is liquid storage tank 3003, and this liquid storage tank is used for as spray column 3 itself
Spray fluid infusion offer water in spray process and biofiltration tower 4, and for receiving and store from spray column 3 spray itself
The water drenched and the filter material transudate from biofiltration tower 4 backflow, thus realize periodical feeding.Air inlet pipe 3001 end position
Under the liquid level of liquid storage tank 3003, the tail gas therefore overflowed from venthole 3002 first with the form of bubble in liquid storage tank
Liquid storage, then flow up at the hollow space within spray column 3, fully absorb water at tail gas during liquid storage tank
Point, it is achieved that the humidification to tail gas, humidity increases the organic compound in tail gas by the microorganism adsorption in biofiltration tower 4
With decomposition, there is facilitation；And, the inorganic compound such as the sulfide that contains in tail gas, ammonia is soluble in water, therefore, it is possible to
A part is absorbed by the liquid storage in liquid storage tank 3003.Mouth spray 3004 is arranged at spray column 3 top, will extract from liquid storage tank 3003
Solution spraying get off, again drop among liquid storage tank 3003；Water droplet is in spray dropping process, in the hollow of spray column 3
Launch large-area being fully contacted with the tail gas flowed up in part, further absorb the inorganic chemical of remaining in tail gas
Thing, it is achieved that the comparison of ingredients such as sulfide, ammonia is cleaned thoroughly.Certainly, it is contemplated that iterative cycles spray will ultimately result in
In the middle of the liquid storage of liquid storage tank 3003, inorganic compound dissolves saturated, and therefore the liquid storage in liquid storage tank 3003 is also required to periodic replacement,
To be hereinafter discussed in detail about the process in liquid storage cyclic process, the content that regulates and change.Through cleaning showers
Tail gas afterwards flows out spray column from the exhaustor 3005 of spray column 3 top, and flows into biofiltration tower 4.
The top of biofiltration tower 4 connects described exhaustor 3005, thus after spray column 3 cleaning showers and humidification
Tail gas enters the top of biofiltration tower 4, and from top to bottom flows in biofiltration tower 4 inner space.Experienced by dedusting
Purifying and after cleaning showers, in tail gas, poisonous, harmful, the odor pollutant of remaining are mainly aminated compounds, aldehydes chemical combination
The organic compound such as thing, VFA, ketone, ethers.In suitable substrate, the microorganism of apposition growth can adsorb tail
Above-mentioned organic compound in gas, the microorganism being available for using is mainly heterotrophism mushroom, and these mushrooms are capable of organic compound
The oxidation of thing, and these organic compound are degraded to water, carbon dioxide and other product not having a negative impact environment
Thing, these products part is absorbed as the nutriment required for microorganism its own existence, is separately had some parts with filtering residue
Form is attached on microorganism filter material.But, the growth of microorganism is survived and will depend on the disposal ability of tail gas
There is provided sufficient humidity, suitable nutrient substance for it, and the pH value of its environment is adjusted to suitable degree.In the present invention
In, utilize the jet head sets 4001 on biofiltration tower top to spray fluid infusion to the microorganism filter material 4002 being disposed below, spray
Fluid infusion is absorbed by filter material, thus microorganism filter material 4002 is maintained at suitable humidity, and is regulated inside filter material by fluid infusion
The pH value of water environment and contained nutritional labeling, it is ensured that the growth survival of microorganism in microorganism filter material and degradation capability.In order to
Realize uniform fluid infusion, and spray dynamics controlled at zone of reasonableness, it is to avoid spray causes microbial body to be washed to come off energetically,
Use the jet head sets 4001 that several shower nozzles form such that it is able to by the water outlet speed controlling of each shower nozzle zone of reasonableness with
In, reach spray water flow soft uniformly.
As it is shown on figure 3, the structure of microorganism filter material 4002 includes support frame 4002A, substrate 4002B and microbial layer
4002C.Support frame 4002A is for being installed on microorganism filter material 4002 suspension in biofiltration tower 4, and supports fixing
Substrate 4002B on this framework and be grown on the microbial layer 4002C on substrate.The present invention uses biological carbon materials
As substrate 4002B, charcoal is the material that biomass high temperature pyrolysis under anaerobic is formed, and it has as activated carbon
Substantial amounts of micropore, therefore specific surface area is big, high adsorption capacity, and the organic compound in tail gas can play the work that absorption is fixing
With；And these micropores are conducive to the enrichment of moisture and nutritional labeling, the growth to microorganism is highly beneficial.Microbial layer
4002C is grown in the micropore of charcoal, the most chimeric with substrate from microcosmic so that microbial layer is firmly attached to all the time
On substrate, thus the centrifugal rotation avoiding microorganism filter material causes coming off of microbial layer.
As it is shown on figure 3, support frame 4002A is cylindrically, and at the centrage of cylinder, there is rotary shaft 4002D, raw
Thing filtration tank 4 can built-in motor and drive mechanism thereof, by rotary shaft 4002D export torque, drive microorganism filter material 4002
Rotate around this axle.Rotating produced centrifugal action makes the filtering residue attached be thrown off microorganism filter material, thus reaches cleaning filter
The effect of slag.Periphery above support frame 4002A arranges the cover plate 4002E of semicircular arc so that the filter upwards thrown away
Slag can fall on cover plate 4002E, and then slides, and falls the bottom of biofiltration tower 4；The filtering residue thrown away downwards then falls directly on life
The bottom of thing filtration tank 4.Along with the rotation of microorganism filter material 4002, fluid infusion therein naturally also can be thrown out of, therefore, periodically
After clearing up filtering residue by the way of centrifugal rotation, fluid infusion to be sprayed is to recover the humidity of filter material.
Returning to Fig. 2, tail gas is after the absorption and decomposition of microorganism filter material 4002, and the organic compound contained is basic
Eliminate, and then be certainly positioned at the floss hole 4003 below microorganism filter material 4002 and discharge.
In the bottom of biofiltration tower 4, there is accumulator tank 4004, during this accumulator tank 4004 is used for collecting centrifugal rotation
The filtering residue thrown away from microorganism filter material 4002 and fluid infusion, and ooze, when recovery microorganism filter material 4002 is static, the benefit leached from it
Liquid and the filtering residue naturally come off.Fluid infusion and filtering residue precipitate in accumulator tank 4004；Accumulator tank 4004 has the end of spill
Portion, and the minimum point of bottom arranges sludge outlet 4005, in order to and the filtering residue of precipitation is discharged from this outlet；And after filtering residue precipitation
The liquid storage tank 3003 that supernatant is then back in spray column 3 by return duct 4006.Owing to experienced by precipitation process, the supernatant of backflow
Liquid is substantially free of the solid impurities such as filtering residue, meanwhile, filtering residue under deadweight can in time from sludge outlet discharge, this it is avoided that
Filtering residue and fluid infusion mutually mix or filtering residue gathers the problems such as the secondary pollution brought and blocking pipeline for a long time.
The present invention is described below and realizes the part of circulated sprinkling and constituent adjustment.Solution in liquid storage tank 3003 is by water pump
3006 extractions, then along liquid-transport pipe-line through defecator 3007, are divided into two-way by branch joint 3010, and wherein a road is passed through
Enter biofiltration tower 4 after component adjusting device 3008, sample connection 3009 and connect jet head sets 4001, in order to for microorganism
Filter material provides fluid infusion, an other road return spray column 3 and connect mouth spray 3004, thus realizing the circulated sprinkling in spray column.
Wherein, defecator 3007 is the solid constituents such as the filtering residue in order to thoroughly filter in the solution of circulation and stress residual, it is to avoid this
A little composition blocking mouth sprays and the eyelet of jet head sets.For accessing a road of biofiltration tower 4, component adjusting device 3008 is used for
Adding nutrient composition and the regulation pH value being suitable to growth of microorganism, this device can use connect with infusion pipeline some
Liquid inlet tee joint interface, accesses supply nutritional solution and the pipeline of pH value regulation liquid by these three-way interfaces.Sample connection 3009 can
Use connection infusion pipeline three-way tap, for after constituent adjustment from infusion pipeline sample drawn carry out nutritional labeling
And the mensuration of pH value, provide foundation for regulation.
Visible, the tail gas that sludge drying is produced by the present invention successively carries out dedusting, spray and biofiltration and processes；Wherein,
Liquid storage tank is placed on inside spray column, it is achieved that space-saving；Circulated sprinkling reclaims and reduces total water consumption；There is ad hoc structure
, filtering residue cleaning means quickness and high efficiency high with the microorganism filter material high adsorption capacity of matrix components, microbial activity, it is possible to significantly prolong
Long filter material service life, improve purification efficiency；Filter material is implemented spray fluid infusion, its humidity, pH value and nutritional labeling can be maintained
In suitable degree.
Above example is merely to illustrate the present invention, and not limitation of the present invention, about the common skill of technical field
Art personnel, without departing from the spirit and scope of the present invention, it is also possible to make a variety of changes and modification, the most all etc.
Same technical scheme falls within scope of the invention, and the scope of patent protection of the present invention should be defined by the claims.
Claims (10)
1. the vent gas treatment of a sludge drying machine and discharging mechanism, it is characterised in that including: dust arrester, spray column and
Biofiltration tower；Dust arrester is for removing the dust granules thing in the tail gas that sludge drying machine is discharged；Spray column is used for spraying
Clean the tail gas after removing dust device processes, remove inorganic soluble compound therein, and increase tail gas humidity；Biological mistake
Filter tower is the organic compound in the tail gas after spray column processes for absorption and decomposition, arranges microorganism filter in biofiltration tower
Material, and to the spray fluid infusion of described microorganism filter material to maintain its suitable humidity, the internal pH value of regulation filter material and supplementing
Contained nutritional labeling；Further, the bottom of spray column is liquid storage tank, and the solution that this liquid storage tank stores is for the spray for spray column itself
Spray fluid infusion feed flow in pouring process and biofiltration tower.
Vent gas treatment the most according to claim 1 and discharging mechanism, it is characterised in that described spray column has air inlet pipe,
Described air inlet pipe is by the bottom of tail gas input to spray column, and air inlet pipe end is uniformly distributed some ventholes so that tail gas overflows；
Air inlet pipe end is positioned under the liquid level of liquid storage tank；Spray column also has mouth spray, and described mouth spray is arranged at spray column top,
The solution spraying extracted from liquid storage tank is got off.
Vent gas treatment the most according to claim 1 and discharging mechanism, it is characterised in that described biofiltration tower top has
Jet head sets, described jet head sets is made up of several shower nozzles, and each shower nozzle is to the microorganism filter material spray fluid infusion being disposed below.
Vent gas treatment the most according to claim 1 and discharging mechanism, it is characterised in that described microorganism filter material includes supporting
Framework, substrate and microbial layer；Support frame is for being installed on the suspension of microorganism filter material in biofiltration tower, and supports
It is fixed on the substrate on this framework and is grown on the microbial layer on substrate.
Vent gas treatment the most according to claim 4 and discharging mechanism, it is characterised in that use biological carbon materials as described
Substrate.
Vent gas treatment the most according to claim 4 and discharging mechanism, it is characterised in that the carriage of described microorganism filter material
Frame cylindrically, and has rotary shaft at the centrage of cylinder, biofiltration tower can built-in motor and drive mechanism thereof, pass through
Export torque to rotary shaft, drive microorganism filter material to rotate around this axle, rotate the filtering residue that produced centrifugal action makes to attach
It is thrown off microorganism filter material.
Vent gas treatment the most according to claim 6 and discharging mechanism, it is characterised in that the peripheral setting above support frame
The cover plate of semicircular arc so that the filtering residue upwards thrown away can fall on described cover plate.
Vent gas treatment the most according to claim 1 and discharging mechanism, it is characterised in that the bottom of biofiltration tower has back
Receive groove, filtering residue that this accumulator tank throws away from microorganism filter material during collect centrifugal rotation and fluid infusion, and reclaim micro-life
Ooze the fluid infusion leached and the filtering residue naturally come off from it when thing filter material is static；Accumulator tank has the bottom of spill, and the end
The minimum point in portion arranges sludge outlet.
Vent gas treatment the most according to claim 8 and discharging mechanism, it is characterised in that described accumulator tank has return duct,
The liquid storage tank that supernatant after being precipitated by filtering residue is back in spray column.
Vent gas treatment the most according to claim 1 and discharging mechanism, it is characterised in that the solution in liquid storage tank is by water pump
Extraction, then along liquid-transport pipe-line through defecator, is divided into two-way by branch joint, and wherein a road fills through constituent adjustment
Put, enter biofiltration tower after sample connection and connect jet head sets, in order to providing fluid infusion for microorganism filter material, an other road is returned
Return spray column and connect mouth spray, thus realizing the circulated sprinkling in spray column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610675393.5A CN106237836B (en) | 2016-08-16 | 2016-08-16 | A kind of vent gas treatment and discharging mechanism of sludge drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610675393.5A CN106237836B (en) | 2016-08-16 | 2016-08-16 | A kind of vent gas treatment and discharging mechanism of sludge drying machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106237836A true CN106237836A (en) | 2016-12-21 |
| CN106237836B CN106237836B (en) | 2019-01-01 |
Family
ID=57592908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610675393.5A Active CN106237836B (en) | 2016-08-16 | 2016-08-16 | A kind of vent gas treatment and discharging mechanism of sludge drying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106237836B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201510A (en) * | 2019-06-05 | 2019-09-06 | 南京化工园博瑞德水务有限公司 | A kind of processing method of sludge drying tail gas |
| CN110835220A (en) * | 2019-11-28 | 2020-02-25 | 天津凯英科技发展股份有限公司 | Sludge anaerobic digestion method and application |
| CN111318554A (en) * | 2020-04-01 | 2020-06-23 | 大唐环境产业集团股份有限公司 | Ammonium removal system and method for fly ash |
| EP3669969A1 (en) * | 2018-12-18 | 2020-06-24 | Huber SE | Drying system and method for drying a wet good |
| CN111773899A (en) * | 2020-07-06 | 2020-10-16 | 山东康源环保科技有限公司 | Useless trade of danger is handled VOCs combination processing apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102068878A (en) * | 2010-12-02 | 2011-05-25 | 广州中洲环保科技有限公司 | Method for treating odors produced by drying sewage sludge |
| CN203803354U (en) * | 2014-05-08 | 2014-09-03 | 山东天力干燥股份有限公司 | Municipal sewage drying tail gas treatment device |
| CN104587808A (en) * | 2013-10-30 | 2015-05-06 | 杭州楚天科技有限公司 | Sludge drying tail gas treatment apparatus and treatment method thereof |
-
2016
- 2016-08-16 CN CN201610675393.5A patent/CN106237836B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102068878A (en) * | 2010-12-02 | 2011-05-25 | 广州中洲环保科技有限公司 | Method for treating odors produced by drying sewage sludge |
| CN104587808A (en) * | 2013-10-30 | 2015-05-06 | 杭州楚天科技有限公司 | Sludge drying tail gas treatment apparatus and treatment method thereof |
| CN203803354U (en) * | 2014-05-08 | 2014-09-03 | 山东天力干燥股份有限公司 | Municipal sewage drying tail gas treatment device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3669969A1 (en) * | 2018-12-18 | 2020-06-24 | Huber SE | Drying system and method for drying a wet good |
| CN110201510A (en) * | 2019-06-05 | 2019-09-06 | 南京化工园博瑞德水务有限公司 | A kind of processing method of sludge drying tail gas |
| CN110835220A (en) * | 2019-11-28 | 2020-02-25 | 天津凯英科技发展股份有限公司 | Sludge anaerobic digestion method and application |
| CN111318554A (en) * | 2020-04-01 | 2020-06-23 | 大唐环境产业集团股份有限公司 | Ammonium removal system and method for fly ash |
| CN111773899A (en) * | 2020-07-06 | 2020-10-16 | 山东康源环保科技有限公司 | Useless trade of danger is handled VOCs combination processing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106237836B (en) | 2019-01-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106237836B (en) | A kind of vent gas treatment and discharging mechanism of sludge drying machine | |
| CN106076042B (en) | Gush bed mud carbonization potting tail gas multistage purification processing system in river lake | |
| CN204429097U (en) | A kind of biofilter odor purification system | |
| CN105944503B (en) | A kind of online circular regeneration organic waste gas treatment method and device | |
| CN207137663U (en) | A kind of VOCs organic waste gas treatment equipments | |
| CN200995119Y (en) | Dust-collecting deodorization purifier by multifunctional combined method | |
| CN206746314U (en) | A kind of foul gas processing unit | |
| CN112717679A (en) | Organic waste gas multistage purification equipment and process integrating regenerative oxidation function | |
| CN104338436A (en) | Deodorizing system for efficiently processing high concentration mixed stink | |
| CN103599695A (en) | Integrated treatment device and integrated treatment method of organic waste gas | |
| CN205796953U (en) | A kind of biological deodorizing tower | |
| CN203458937U (en) | Waste gas treatment device | |
| CN208449008U (en) | A kind of combined type organic waste-gas purification and recyclable device | |
| CN205412669U (en) | Malodorous gas processing system | |
| CN206560771U (en) | A kind of active carbon adsorption device | |
| CN204485644U (en) | A kind of gas cleaning plant | |
| CN104891729B (en) | Sewage plant tail water advanced treatment apparatus and technology thereof | |
| RU2494145C1 (en) | Microbiological air treatment apparatus | |
| CN207024954U (en) | One kind is granulated waste gas treatment equipment | |
| CN206911120U (en) | VOCs biodegradation washing systems | |
| CN206746308U (en) | A kind of exhaust air deodorization purifier | |
| CN108404648A (en) | A kind of microorganism waste gas purification apparatus | |
| CN213725781U (en) | Biological deodorization device | |
| CN201625658U (en) | Organic waste cracking and carbonizing system with novel tail gas treating device | |
| CN207546185U (en) | A kind of high efficiency composition deodorization device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A tail gas treatment and emission mechanism for a sludge drying machine Effective date of registration: 20231222 Granted publication date: 20190101 Pledgee: Zhejiang Qingtian Rural Commercial Bank Co.,Ltd. Youzhu Branch Pledgor: GREEN WATER CO.,LTD. Registration number: Y2023980073042 |