CN104338437B - A kind of deodoration system - Google Patents
A kind of deodoration system Download PDFInfo
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- CN104338437B CN104338437B CN201310342193.4A CN201310342193A CN104338437B CN 104338437 B CN104338437 B CN 104338437B CN 201310342193 A CN201310342193 A CN 201310342193A CN 104338437 B CN104338437 B CN 104338437B
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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
Abstract
The invention discloses a kind of deodoration system. Deodoration system comprises foul smell collection conduit, gas-liquid pre-mixing apparatus, bio-trickling filter, gas emission pipe and centrifugal blower; Foul smell collection conduit connects the air inlet of gas-liquid pre-mixing apparatus, the gas outlet of gas-liquid pre-mixing apparatus is connected to bio-trickling top of tower air inlet by pipeline, the bleeding point of centrifugal blower connects bio-trickling tower bottom gas outlet, and the exhaust outlet of centrifugal blower is connected with gas emission pipe; Under the swabbing action of centrifugal blower, mix the liquid that foul smell introduces in gas-liquid pre-mixing apparatus, ejects with gas-liquid pre-mixing apparatus through foul smell collection conduit and carry out premixed by gas-liquid turbulent flow atomizing type, gas after premixed is delivered in bio-trickling filter more from top to bottom via after the microbial degradation of perching in the inner, discharges by gas emission pipe. By the way, the present invention has the advantage that throughput is large, mass transfer effect is good, deodorizing effect is excellent, economical and practical.
Description
Technical field
The present invention relates to environment odor treatment technical field, particularly relate to a kind of deodoration system.
Background technology
Comprise as one or more groups such as ammonia, hydrogen sulfide, methyl sulfide and methyl mercaptans for compositionThe treatment technology of the environment stench closing mainly contains Physical, chemical method, advanced oxidation processes and bioanalysis.But Physical, chemical method exist that adsorption capacity is limited, adsorbent reactivation is difficult, operating costHigh, easily produce the drawbacks such as secondary pollution, related application has been subject to certain restriction, and advanced oxidationMethod is also in development, and practical engineering application is less. Bioanalysis is to be applied at present municipal environmentThe mainstream technology of field foul smell processing, wherein the bio-trickling filter deodorization technologies that adopt more.
But, lower air inlet, upper intermittent shower gas-liquid arrangement that current bio-trickling method is common,It has strict requirement to shower nozzle quantity and arrangement, water spray and atomizing effect, onceThere is the situations such as spray inequality, water shortage, very easily cause that part filler is dry, acidifying, causeThe air-flow in this class region penetrates rapidly filler (growth of microorganism rate reduction maybe cannot be grown), entersAnd cause biological deodorizing system to occur that odor removal efficient is low, the concentration of giving vent to anger is high, filter liquor pH value is low etc.Situation; Also there is the gas-liquid arrangement that adopts lower air inlet, continuous spray, but such gas-liquid layout sideFormula exists that water consumption is large, air loss is large, and throughput is little, easily produce the problems such as anaerobic zone, Chang YuThe startup stage of bio-film colonization, use, actually rare when actual motion.
Summary of the invention
The present invention provides removing of a kind of efficient processing environment foul gas for solving the problems of the technologies described aboveSmelly system, its throughput is large, mass transfer effect is good, deodorizing effect is excellent, and economical and practical.
For solving the problems of the technologies described above, the invention provides a kind of deodoration system, comprising: foul smell is collectedPipeline, gas-liquid pre-mixing apparatus, bio-trickling filter, gas emission pipe and centrifugal blower; Foul smellCollection conduit connects the air inlet of gas-liquid pre-mixing apparatus, and the gas outlet of gas-liquid pre-mixing apparatus is passed throughPipeline is connected to bio-trickling top of tower air inlet, and the bleeding point of centrifugal blower connects bio-trickling filterGas outlet, bottom, the exhaust outlet of centrifugal blower is connected with gas emission pipe; When work, centrifugalUnder the swabbing action of blower fan, the mixing foul smell of high concentration is introduced gas-liquid premixed through foul smell collection conduitIn device and with the liquid that gas-liquid pre-mixing apparatus ejects, undertaken by gas-liquid turbulent flow atomizing typePremixed, the gas after premixed is delivered in bio-trickling filter more from top to bottom via inhabiting itAfter interior microbial degradation, discharge by gas emission pipe.
Wherein, gas-liquid pre-mixing apparatus comprises airtight cavity and at least one atomization tubulation;
On cavity inner wall, be provided with piping fixing structure, atomization tubulation is fixed by piping fixing structureOn cavity inner wall, wherein, atomization tubulation one end opening, the other end are airtight, the pipe of atomization tubulationOn wall, be provided with the adjustable jet orifice of multiple angles; When work, liquid applies pressure in external pressure sourceUnder power, in the opening part of atomization tubulation enters atomization tubulation and by jet orifice spray form withMix foul smell and carry out premixed atomized liquid.
Wherein, cavity inner wall is also provided with air-flow perforated plate, atomization tubulation at piping fixing structure andUnder the acting in conjunction of air-flow perforated plate, be fixed on cavity inner wall; Wherein, cavity inner wall, pipeline are solidThe common device inner chamber that forms between fixed structure, air-flow perforated plate and atomization tubulation, and, chamberThe common gas-liquid mixed chamber that forms between body inwall, air-flow perforated plate and atomization tubulation.
Wherein, piping fixing structure is the plectane consistent with cavity longitudinal section with air-flow perforated plate,On plectane, be provided with corresponding atomization tubulation quantity and for the through hole of atomization tubulation is installed.
Wherein, atomization tubulation quantity is three, and atomization tubulation mode triangular in shape on plectane is arranged;Or atomization tubulation quantity is four, atomization tubulation mode of assuming diamond in shape on plectane is arranged.
Wherein, the caliber of atomization tubulation is 10-300mm; Jet orifice is circular hole, jet orifice diameterFor 1-7mm, on same circumference, jet orifice number is 3-15, and jet orifice setting is no less than3 layers, jet orifice center and atomization tubulation center angle are 0-90 °.
Wherein, deodoration system comprises spray piping and pressure pump;
Wherein, between cavity inner wall and piping fixing structure, form fluid storage chamber, pressure pumpWater inlet end connects spray piping, and the water side of pressure pump connects liquid host cavity will inject in itLiquid be transferred to atomization tubulation inside from atomization tubulation opening part.
Wherein, in bio-trickling filter packing material can be haydite, active carbon, bamboo charcoal, polyurethane,The filler of polyethylene bead, Pall ring or polyhedron empty ball.
The deodoration system of embodiment of the present invention: gas-liquid pre-mixing apparatus and biological dripping that connection is setFilter tower, the liquid that the mixing foul smell of the high concentration of introducing and gas-liquid pre-mixing apparatus eject passes through gasLiquid turbulent flow atomizing type carries out premixed, can effectively expand the contact area of gas-liquid two-phase, entersAnd strengthening foul gas is in the mass transport process of gas-liquid two-phase, can greatly improve odor pollution materialRemoval situation, and after premixed, moistening gas is uniformly distributed in bio-trickling filter, filler tableFace is moistening, for biological growth metabolism provides suitable life condition, has effectively ensured that biology fallsSeparate the efficiency of odor pollution material. In addition, its throughput is large, filler long service life, andEconomical and practical.
Brief description of the drawings
Fig. 1 is deodoration system embodiment structural front view of the present invention;
Fig. 2 is the left view of deodoration system shown in Fig. 1;
Fig. 3 is the top view of deodoration system shown in Fig. 1;
Fig. 4 is the enlarged diagram of the pre-mixing apparatus of gas-liquid shown in Fig. 1;
Fig. 5 is the principle schematic of atomization tubulation in the pre-mixing apparatus of gas-liquid shown in Fig. 4;
Fig. 6, Fig. 7 are all that in the pre-mixing apparatus of gas-liquid shown in Fig. 5, atomization tubulation is arranged schematic diagram.
Detailed description of the invention
Below in conjunction with drawings and embodiments, the present invention is described in detail.
Consult in conjunction with Fig. 1 to Fig. 3, the deodoration system of embodiment of the present invention, comprising: smellyGas collection conduit 1, gas-liquid pre-mixing apparatus 3, bio-trickling filter 4, gas emission pipe 7 andCentrifugal blower 6.
Wherein, foul smell collection conduit 1 connects the air inlet 31 of gas-liquid pre-mixing apparatus 3, and gas-liquid is pre-The gas outlet 32 of mixing arrangement 3 is connected to bio-trickling filter 4 top air inlets 41 by pipeline,The bleeding point 61 of centrifugal blower 6 connects bio-trickling filter 4 gas outlets, bottom 42, centrifugal blower 6Exhaust outlet 62 be connected with gas emission pipe 7.
Particularly, consult incorporated by reference to Fig. 4 and Fig. 5, gas-liquid pre-mixing apparatus 3 comprises closeCavity 30 and at least one atomization tubulation 14 of closing, wherein, be provided with pipeline on cavity 30 inwallsFixed structure 13, atomization tubulation 14 is fixed on cavity 30 inwalls by piping fixing structure 13;Atomization tubulation 14 1 end openings, the other end are airtight, and, on the tube wall of atomization tubulation 14, arrangeThere is the adjustable jet orifice of multiple angles 15.
Further, piping fixing structure 13 and air-flow perforated plate 11 can be and cavity 30 allThe plectane that longitudinal section is consistent, is provided with corresponding atomization tubulation 14 quantity and for mist is installed on plectaneChange the installing hole (not indicating) of tubulation 14. Certainly piping fixing structure 13 and air-flow perforated plate,11 are not limited to this structure of plectane.
Wherein, atomization tubulation 14 quantity are at least one, are preferably 3-6. Such as, atomizationWhen tubulation 14 quantity are three, atomization tubulation 14 mode triangular in shape on plectane is arranged (as figureShown in 6); Or when atomization tubulation 14 quantity are four, atomization tubulation 14 is water chestnut on plectaneShape mode is arranged (as shown in Figure 7). Multiple atomization tubulations 14 are set can be within the same unit intervalSpray and form more water smoke to be full of the space in cavity, and then the more foul smell of solution absorption,Reach good premixed effect. Further, the caliber of atomization tubulation 14 is generally 10-300mm,Be preferably 40-200mm; Jet orifice 15 is circular hole, and jet orifice 15 diameters are 1-7mm, preferablyFor 3-5mm; On same circumference, jet orifice 15 numbers are 3-15, are preferably 4-10; And,Jet orifice 15 arranges and is no less than 3 layers, jet orifice 15 centers and atomization tubulation 14 center angle αFor 0-90 °. By to atomization tubulation 14 and the design parameter of jet orifice 15 is thereon setPreferably arrange, in reaching good premixed effect, have pair dissolubility stench to dissolveThe effect absorbing.
In a concrete application implementation mode, cavity 30 inwalls are also provided with air-flow perforated plate 11,Atomization tubulation 14 is fixed under the acting in conjunction of piping fixing structure 13 and air-flow perforated plate 11On cavity 30 inwalls. Wherein, the inwall of cavity 30, piping fixing structure 13, air-flow perforated plate11 and atomization tubulation 14 between the common device inner chamber 19 that forms, and, in cavity 30Between wall, air-flow perforated plate 11 and atomization tubulation 14, common formation one is for carrying out gas-liquid mixedThe gas-liquid mixed chamber 16 of process.
In other concrete application implementation mode, deodoration system also comprises spray piping 2 and conduct pressureThe pressure pump 18 in power source, forms fluid storage chamber between cavity inner wall and piping fixing structure 1312, the water inlet end of pressure pump 18 connects spray piping 2, the water side 181 of pressure pump 18Connect liquid host cavity 12 so that the liquid injecting in it is transferred to mist from atomization tubulation 14 opening partsChange tubulation 14 inside. When work, liquid under pressure pump 18 applied pressure effects from atomizationThe opening part of tubulation 14 enters in atomization tubulation 14 and by penetrating of arranging on atomization tubulation 14Head piece 15 sprays and forms and mix foul smell and carry out premixed atomized liquid.
When work, foul smell is from air inlet 31 access to plant inner chambers 19, and continues to pass through air-flow perforationPlate 11, and spray liquid is filled rapidly atomization tubulation 14 by spray piping 2. Wherein, at gasUnder the effect of stream perforated plate 11, gas distribution is more even, and gas is turbulence state, and flow perturbation addsPlay, the water jet spraying rapidly from atomization tubulation 14 jet orifices 15 during this time, disturbs at strong gasAction is broken into rapidly the water smoke of fine particle size and fully mixes with foul smell under using.
In an other embodiment, the material of bio-trickling filter 4 interior fillings be haydite, active carbon,Conventional in the bio-trickling filters such as bamboo charcoal, polyurethane, polyethylene bead, polyhedron empty ball or Pall ringFiller 5. Wherein, filler 5 be preferably the specific area such as polyhedron empty ball or Pall ring large,The material that porosity is high, certainly, the filler 5 of bio-trickling filter 4 interior fillings can be wherein onePlant or several combinations. Take filler 5 as example as polyhedron empty ball, filler 5 diameters are 25mm,Filler 5 specific area 450m2/m3, filler 5 porositys 90%, filler 5 height 2m.
In above-mentioned embodiment, bio-trickling filter 4 comprises filler 5 supporting constructions of glass steel material9 and tower body sealing cover 8, filler 5 supporting constructions 9 are provided with multiple minute ventilation, filler 5Be arranged in these filler 5 supporting constructions 9, tower body sealing cover 8 lids are established filler 5 supporting construction 9 shapesBecome confined space. When deodoration system work, it encircles by under the swabbing action of centrifugal blower 6Border foul gas through foul smell collection conduit 1 introduce in gas-liquid pre-mixing apparatus 3 and with at pressure (hydraulic) waterPump 18 liquid (as water or nutrient solution) that lower gas-liquid pre-mixing apparatus 3 ejects of exerting pressure passes throughGas-liquid turbulent flow atomizing type carries out premixed, and the gas after premixed is delivered to bio-trickling filter 4 againInside, from top to bottom via after the microbial degradation of perching in the inner, discharge by gas emission pipe 7.
Embodiment of the present invention, by gas-liquid pre-mixing apparatus 3, utilizes gas-liquid impingement atomizationPrinciple, can make shower water be broken into rapidly the water smoke of fine particle size and fully mix with foul gas,Thereafter, after premixed, moistening gas is discharged from gas outlet and is delivered to bio-trickling filter by pipeline4 tops, the gas after premix from top to down, continue to pass through in bio-trickling filter 4 by filler 5 shapesThe space of the packing layer becoming; When operation, because gas-liquid premixed operation has expanded gas-liquid two effectivelyThe contact area of phase, and then strengthened foul gas in the mass transport process of gas-liquid two-phase, greatly improveThe removal situation of odor pollution material, and after premix moistening gas in bio-trickling filter 4Be uniformly distributed, filler 5 surface wettabilities, for biological growth metabolism provides suitable life condition,As moistening gas regulation, stabilate after can utilizing premix drips the pH value in filter tower 4, energyThe enough efficiency that effectively ensures biodegradation odor pollution material. In addition, its throughput large, fill outExpect 5 long service life, and economical and practical.
In a concrete Application Example, for example, specifically in sewage treatment plant, pumping plant, soot etc.When deodoration system of the present invention is implemented in municipal administration place or other place, in above-mentioned place, hydrogen sulfide andAmmonia is generally its main foul smell composition. Concrete, gas-liquid pre-mixing apparatus 3 can be selected 3 mistsChange tubulation 14, its caliber is 150mm, and atomization tubulation 14 arranges 6 layers of jet orifice 15, same layer circleOn week, evenly establish 4 diameter 5mm circular hole jet orifices 15, jet orifice 15 centers and atomization tubulation14 center angle α are 30 °; Bio-trickling filter 4 selects polyhedron empty ball as filler 5, filler 5Diameter 25mm, filler 5 specific area 450m2/m3, filler 5 porositys 90%, filler 5 height2m, processes air quantity 100m3/ h, void tower time of staying 20s.
Operation result demonstration, the premixed biological deodorizing system of gas-liquid is to containing two kinds of hydrogen sulfide and ammoniasThe foul smell of odorant pollutant has good degraded and removes ability, and wherein the clearance of hydrogen sulfide can be grownPhase is stabilized in 99.99% left and right, and the clearance of ammonia also has 98.95%, all can meet " cities and towns dirtWater treatment plant's pollutant emission standard " factory circle (buffer zone edge) toxic emission primary standard.
In sum, tool of the present invention has the following advantages:
(1) bio-trickling filter inner transmission matter efficiency is high, has greatly improved the removal of odor pollution materialSituation. The main cause that its mass-transfer efficiency is high has: after gas-liquid premix, gas-liquid contact area is large, strongChange odorant in the mass transport process of gas-liquid two-phase; Gas-liquid two-phase is uniformly distributed in tower, pressure dropLittle, gas-liquid two-phase fully contacts with filler and the inner short stream of formation that is difficult for of filler.
(2) effectively having avoided that the uneven filler causing of spray is dry, acidifying phenomenon, is that biology is rawLong metabolism provides suitable life condition.
(3) gas-liquid premixed operation replaces the traditional spray system of bio-trickling filter, water use efficiencyImprove.
These are only embodiments of the present invention, not thereby limit the scope of the claims of the present invention, allEquivalent structure or the conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do, or straightConnect or be indirectly used in other relevant technical fields, be all in like manner included in patent protection of the present inventionIn scope.
Claims (7)
1. a deodoration system, is characterized in that, comprising:
Foul smell collection conduit, gas-liquid pre-mixing apparatus, bio-trickling filter, gas emission pipe and fromHeart blower fan;
Described foul smell collection conduit connects the air inlet of described gas-liquid pre-mixing apparatus, and described gas-liquid is pre-The gas outlet of mixing arrangement is connected to described bio-trickling top of tower air inlet by pipeline, described fromThe bleeding point of heart blower fan connects described bio-trickling tower bottom gas outlet, the exhaust of described centrifugal blowerMouth is connected with described gas emission pipe;
When work, under the swabbing action of described centrifugal blower, the mixing foul smell of high concentration through described inFoul smell collection conduit is introduced in described gas-liquid pre-mixing apparatus and with described gas-liquid pre-mixing apparatus and is sprayedThe liquid penetrating carries out premixed by gas-liquid turbulent flow atomizing type, and the gas after premixed is carried againTo in described bio-trickling filter from top to bottom via after the microbial degradation of perching in the inner, by instituteStating gas emission pipe discharges;
Wherein, described gas-liquid pre-mixing apparatus comprises airtight cavity and at least one atomization tubulation;
On described cavity inner wall, be provided with piping fixing structure, described atomization tubulation is by described pipelineFixed structure is fixed on described cavity inner wall, wherein, described atomization tubulation one end opening, anotherHold airtightly, on the tube wall of described atomization tubulation, be provided with the adjustable jet orifice of multiple angles;
When work, liquid is under external pressure source is exerted pressure, from the opening part of described atomization tubulationEnter in described atomization tubulation and spray and form and mix foul smell and carry out premix by described jet orificeThe atomized liquid closing.
2. deodoration system according to claim 1, is characterized in that:
Described cavity inner wall is also provided with air-flow perforated plate, and described atomization tubulation is fixed at described pipelineUnder the acting in conjunction of structure and described air-flow perforated plate, be fixed on described cavity inner wall;
Wherein, described cavity inner wall, described piping fixing structure, described air-flow perforated plate and instituteState the common device inner chamber that forms between atomization tubulation, and, described cavity inner wall, described air-flowThe common gas-liquid mixed chamber that forms between perforated plate and described atomization tubulation.
3. deodoration system according to claim 2, is characterized in that:
Described piping fixing structure is consistent with described cavity longitudinal section with described air-flow perforated platePlectane, on described plectane, be provided with corresponding described atomization tubulation quantity and for described atomization is installedThe through hole of tubulation.
4. deodoration system according to claim 3, is characterized in that:
Described atomization tubulation quantity is three, described atomization tubulation side triangular in shape on described plectaneFormula is arranged;
Or described atomization tubulation quantity is four, described atomization tubulation is water chestnut on described plectaneShape mode is arranged.
5. deodoration system according to claim 2, is characterized in that:
The caliber of described atomization tubulation is 10-300mm;
Described jet orifice is circular hole, and described jet orifice diameter is 1-7mm, institute on same circumferenceState jet orifice number and be 3-15, and described jet orifice setting is no less than 3 layers, described in penetrateHead piece center and described atomization tubulation center angle are 0-90 °.
6. deodoration system according to claim 2, is characterized in that:
Described deodoration system comprises spray piping and pressure pump;
Wherein, between described cavity inner wall and described piping fixing structure, form fluid storage chamber, instituteThe water inlet end of stating pressure pump connects described spray piping, and the water side of described pressure pump connects instituteState fluid storage chamber injecting liquid in it from described in described atomization tubulation opening part is transferred toAtomization tubulation inside.
7. deodoration system according to claim 1, is characterized in that:
In described bio-trickling filter, packing material can be haydite, active carbon, bamboo charcoal, polyurethane, poly-The filler of ethene bead, Pall ring or polyhedron empty ball.
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| CN201310342193.4A CN104338437B (en) | 2013-08-08 | 2013-08-08 | A kind of deodoration system |
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| CN201310342193.4A CN104338437B (en) | 2013-08-08 | 2013-08-08 | A kind of deodoration system |
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| CN104338437B true CN104338437B (en) | 2016-05-04 |
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| CN105536512B (en) * | 2016-01-25 | 2018-05-04 | 扬州大学 | A kind of gas-lifting type two-phase partitioning membrane bioreactor |
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| CN1365847A (en) * | 2001-11-30 | 2002-08-28 | 清华大学 | Biologic cleaning method for low-concentration organic waste gas |
| KR20050082778A (en) * | 2004-02-20 | 2005-08-24 | 학교법인 한림대학교 | Removal method for methyl ethyl ketone using geotrichum-immobilized biofilter |
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