CN105582792A - Equipment and method for synchronously removing odor substances and microorganism aerosol - Google Patents
Equipment and method for synchronously removing odor substances and microorganism aerosol Download PDFInfo
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- CN105582792A CN105582792A CN201410460781.2A CN201410460781A CN105582792A CN 105582792 A CN105582792 A CN 105582792A CN 201410460781 A CN201410460781 A CN 201410460781A CN 105582792 A CN105582792 A CN 105582792A
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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
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Abstract
The present invention belongs to the technical field of waste gas treatment, and relates to equipment and a method for synchronously removing odor substances and a microorganism aerosol. The equipment comprises a wet washing zone, a biological filtration zone, a drying zone and an ultraviolet photocatalyst reaction zone. According to the method, waste gas containing odor and a microorganism aerosol firstly passes through the wet washing zone, the gas is humidified while the partial water-soluble odor substances is removed, the obtained material enters the biological filtration zone, the biological filtration zone and the drying zone are connected, the drying zone and the ultraviolet photocatalyst reaction zone are connected, the TiO2 in a photocatalyst filtration mesh layer produces hydroxyl radical (.OH) and reactive oxygen (.O) having extremely strong oxidation property under the irradiation of an ultraviolet lamp, the hydroxyl radical (.OH) and the reactive oxygen (.O) react with the odor substances while the un-removed microorganism aerosol in the biological filtration zone is removed, and the purified odorless and sterile gas is discharged from a gas exhaust port. According to the present invention, the equipment can synchronously removing the odor substances and the microorganism aerosol, and has characteristics of high removal efficiency, stable effect, and no secondary pollution.
Description
Technical field
The invention belongs to exhaust-gas treatment field, particularly a kind of synchronous removal odorant and bacterial gas are moltenThe apparatus and method for of glue.
Background technology
In recent years, along with the quickening of urbanization process, increasing municipal sewage plant, life rubbishThe operation of in succession going into operation of the urban operating mechanisms such as rubbish treatment plant and house refuse terminal, is improving aspect urban environmentBringing into play more and more important effect. But in municipal sewage or domestic rubbish disposal process, sewage orSulfur-bearing in house refuse, nitrogen material and a large amount of microorganism probably stir or aeration effect under with gasForm spills in atmosphere, thereby causes the pollution containing odorant and microbial aerosol waste gas simultaneously.Along with the enhancing day by day of socioeconomic development, growth in the living standard and Public Environmental Awareness, city dirtThe odorant that the urban operating mechanism such as water treatment plant, domestic garbage treatment plant, house refuse terminal produces andMicrobial aerosol pollutes has become matter of utmost importance urgently to be resolved hurrily.
Biologic treating technique is that the one that grows up nearly decades is for exhaust-gas treatment, particularly [DanThe new technology of body processing. With conventional materialization treatment technology, as phases such as absorption and sorption, catalysis, burningsRatio, biologic treating technique has that treatment effect is good, non-secondary pollution, investment and operating cost low, be easy toThe advantages such as management especially more can show its superiority in the time processing the waste gas of large flow, low concentration. BiologicalThe principle for the treatment of technology be utilize microorganism metabolic process by the degradation of pollutant in waste gas or be converted intoHarmless or low harmful class material. For the waste gas large-minded, concentration is low, biologic treating technique is more economical.Research data shows, the investment of biotechnology and operating cost are only 1/4～1/20 of materialization treatment technology.Biologic treating technique, particularly bio-filter technology, be widely used in municipal sewage plant, lifeOdorant and microbial aerosol that the urban operating mechanisms such as destructor plant and house refuse terminal of living produceProcessing.
But microbial aerosol is held back in the existence of bio-filter technology processing waste gas and loss bacterial gas is moltenThe double action of glue, this is because Biofiltration apparatus is a kind of system of microbial immobilized growth, itsThe high density of middle filling and the filler of high-specific surface area may be held back the microorganism in air inlet. And it is attached on fillerGrowth has considerable microorganism, and under the effect of air-flow, these microorganisms are likely with aerocolloidalForm effusion filter tank and again cause atmosphere pollution.
Ultraviolet catalytic oxidation technology be a kind of by ultraviolet radiation (UV) and catalyst (as TiO2Deng)In conjunction with the method in order to exhaust-gas treatment. The absorption of ultraviolet catalytic oxidation technology using catalyst as ultraviolet lightAgent, produces electrons pair, and bring out and produce oxidation activity group, under the exciting of ultraviolet light, catalysisAgent light decomposes the free radical (as OH) and active oxygen (O) that generation oxidability is stronger, can be oxidized and be permittedThe difficult degradation exhaust emission that many microorganisms and alone oxidant cannot decompose. Ultraviolet catalytic oxidation technologyCan be oxidized at normal temperatures and pressures, not produce secondary pollution, can make majority can not or hard degradationOrganic pollution permineralization, and there is the ability of very strong killing microorganisms.
The urban operating mechanisms such as municipal sewage plant, domestic garbage treatment plant and house refuse terminal produceOdorant and microbial aerosol pollution effect scope are wide, and intractability is large. Although various treatment technologiesVaried, but most of technology is not yet ripe and perfect, exists accommodation little, and treatment effect is low,The problems such as floor space is large, or investment and operating cost high, bookkeeping complexity, is easy to produce secondary dirtThe problem such as dye. Therefore, lack especially now equipment that odorant and microbial aerosol remove simultaneously andTechnology.
Summary of the invention
Consider the cities such as municipal sewage plant, domestic garbage treatment plant and house refuse terminal in the pastThe stench that political affairs facility produces and the deficiency of microbial aerosol treatment facility and biofiltration, ultraviolet catalyticTechnology pluses and minuses separately, the present invention proposes establishing of a kind of synchronous removal odorant and microbial aerosolStandby, improve the treatment effect containing odorant and microbial aerosol waste gas, save floor space, saveInvestment and disposal cost.
Another object of the present invention is to provide the present invention and proposes a kind of synchronous odorant and bacterial gas removedThe method of colloidal sol.
Send out the equipment that proposes a kind of synchronous removal odorant and microbial aerosol of chewing for of the present invention, byWet scrubbing district, biofiltration district, dry section and ultraviolet catalytic reaction zone connect to form successively, containing dislikingThe waste gas of sordes matter and microbial aerosol passes through this four regions successively, and the gas after final purification is from purpleFlow out the gas outlet of bottom, outer light-catalyzed reaction district. Wherein:
On the sidewall of bottom, wet scrubbing district, have an air inlet, at air inlet, place is provided with perforated pipe,Floating stuffing is equipped with in wet scrubbing district, on the sidewall on top, wet scrubbing district, has a discharge outlet.
In biofiltration district, fill the lightweight active polyurethane biologic packing material that particle diameter is little, porosity is large, rawOn thing filtering area sidewall, have the import of nutrient solution spray, in this nutrient solution spray import department, one connection is installedThe pipeline of nutrient solution spray thrower, this nutrient solution spray thrower is above biofiltration district filler, and nutrient solution spraysDrench device by the regular spraying nutrient solution of pipeline, nutrient solution recycles, bottom support filler be that gas dividesFabric swatch, the microorganism in filler is taking heterotrophicy bacteria and fungi as main.
Drier is equipped with in dry section inside, and dry section is connected with ultraviolet catalytic reaction zone.
Ultraviolet light catalyst reaction zone is made up of several ultraviolet lamp tubes, fills dichloride in anatase type two in reaction zoneTitanium dioxide photocatalyst and coating material, form photocatalyst filter stratum reticulare.
The present invention of the present invention proposes a kind of method of synchronous removal odorant and microbial aerosol, containsFirst the waste gas of odorant and microbial aerosol pass through wet scrubbing district, and gas obtains humidification, simultaneouslyThe odorant of part good water solubility is removed, and then enters biofiltration district, and biofiltration is filled out in districtFill the lightweight active bio filler that particle diameter is little, porosity is large, biofiltration district upper portion side wall is established tubular type nutritionLiquid spray thrower, another sidewall of top sets out tracheae, and escape pipe is connected with dry section; Dry section and ultraviolet lightCatalyst reaction zone connects, the TiO in photocatalyst2Under the irradiation of uviol lamp, produce oxidizing force extremely strongHydroxy (OH) and active oxygen (O), react with odorant, removes in biofiltration simultaneouslyThe removed microbial aerosol of Qu Wei, odorless, aseptic gas after purification are discharged from gas outlet.
Equipment tool of the present invention has the following advantages:
1. by the advantage combination of biofiltration and ultraviolet catalytic treatment technology, be developed into a kind of associating biofiltration,Ultraviolet catalytic technology remove that Municipal facility produces simultaneously containing stench and microbial aerosol waste gasEquipment. This compact equipment, structure is succinct, and floor space is little, and operation is simple with maintenance, nothingSecondary pollution.
2. part stench and microbial aerosol can be removed by wet scrubbing district, play pre-humidifying effect simultaneously, subtractHumidification frequency and the load in Shao Liao biofiltration district.
3. biofiltration one ultraviolet catalytic equipment is without recirculated water, and nutrient solution is for regularly providing, and energy consumption is low, pipeReason is convenient.
Brief description of the drawings
Fig. 1. the structural representation of present device.
Reference numeral
1. air inlet 2. perforated pipes
3. wet scrubbing district 4. discharge outlet
5. gas distribution grid 6. biofiltration districts
7. biofiltration district filler 8. nutrient solution spray imports
9. nutrient solution spray thrower 10. dry sections
11. uviol lamp 12. photocatalyst filtering net layers
13. gas outlets
Detailed description of the invention
Embodiment 1.
Refer to Fig. 1. What lucite was made combine utilizes biofiltration, ultraviolet catalytic reaction to carry outContaining that the urban operating mechanisms such as municipal sewage plant, domestic garbage treatment plant and house refuse terminal produce dislikedThe equipment of smelly and microbial aerosol exhaust-gas treatment, its basic structure is cylinder type, is mainly washed by wet typeWash district 3, biofiltration district 6, dry section 10 and four part compositions of ultraviolet catalytic reaction zone;
On the sidewall of 3 bottoms, wet scrubbing district, have an air inlet 1, be provided with and wear at air inlet 1 placeHole pipe 2 has a discharge outlet 4 on the sidewall on 3 tops, wet scrubbing district;
Light polyurethane biologic packing material 7 is housed in biofiltration district 6, on the sidewall in biofiltration districtHave spraying nutrient solution liquid import 8, in this nutrient solution spray import department, one connection nutrient solution spray is installedThe pipeline of device 9, this nutrient solution spray thrower 9 is above biofiltration district filler; Microorganism in fillerTaking heterotrophicy bacteria and fungi as main; Nutrient solution spray thrower 9 is by the regular spraying nutrient solution of pipeline;
In ultraviolet catalytic reaction zone, establish some ultraviolet lamp tubes 11, fill nanometer anatase titaniaPhotocatalyst and coating material, form photocatalyst filter stratum reticulare 12.
The urban operating mechanisms such as municipal sewage plant, domestic garbage treatment plant and house refuse terminal produceWaste gas containing stench and microbial aerosol is bored a hole via gas from the air inlet 1 of 3 bottoms, gas humidification districtPipe 2 enters wet scrubbing district 3, and gas obtains humidification, and the odorant of part good water solubility is able to simultaneouslyRemove, then enter biofiltration district 6, the interior filling high density degree in biofiltration district 6, the little activity in apertureBiologic packing material 7, is easy to microorganism colonization, growth, is easy to hold back the microbial aerosol in air inlet simultaneously,After the desiccant dryness in drying district 10, enter ultraviolet catalytic reaction zone afterwards, under ultraviolet effectReact with foul gas, remove the not removed microbial aerosol in biofiltration district 6 simultaneously, cleanOdorless, aseptic gas after change are discharged from gas outlet 13, and unnecessary humidification liquid is from the discharge outlet 4 of bottomDischarge.
Having set up treating capacity according to this method is 5000m3Between the municipal sewage sludge dehydration of/h containing stenchWith the waste gas treatment equipment of microbial aerosol, air inlet hydrogen sulfide, ammonia, heterotrophicy bacteria and fungi aerosolConcentration is respectively 4.3mg/m3，10.5mg/m3，9000～11000mg/m3With 5000～6000mg/m3Municipal wastewater treatment plant gas, the time of staying is 40s, while operation under room temperature condition, the hydrogen sulfide of gas outletBe respectively 0mg/m with ammonia3And 0.02mg/m3, clearance is respectively 100% and 99.8%, in giving vent to angerHeterotrophicy bacteria and fungi do not detect, and clearance is 100%.
Claims (7)
1. a synchronous apparatus and method for of removing odorant and microbial aerosol, is characterized in that:Connected to form successively by wet scrubbing district, biofiltration district, dry section and ultraviolet light catalyst reaction zone, itsOn the sidewall of bottom, middle wet scrubbing district, have an air inlet, at air inlet, place is provided with perforated pipe, wetOn the sidewall on formula scrubbing section top, have a discharge outlet, in biofiltration district, filling particle diameter is little, porosity is largeLightweight active bio filler, on sidewall, have spray liquid import, be provided with one in this spray liquid import departmentConnect the pipeline of nutrient solution spray thrower, this nutrient solution spray thrower above biofiltration district filler, described inDry section inside drier is housed, dry section is connected with ultraviolet light catalyst reaction zone, described ultravioletPhotocatalyst reaction district is made up of several ultraviolet lamp tubes, fills nanometer anatase titania photocatalyst simultaneouslyAnd coating material, forming photocatalyst filter stratum reticulare, described blower fan is arranged on complete equipment backmost.
2. one according to claim 1 is synchronously removed odorant and microbial aerosol in waste gasEquipment, it is characterized in that: in described wet scrubbing district fill filler, inside establish liquid levels indicating gage,Ensure that liquid level is higher than gas inlet, lower than discharge outlet.
3. the equipment of a kind of synchronous removal odorant according to claim 1 and microbial aerosol,It is characterized in that: the filler of filling in described biofiltration district is low-density light polyurethane filler,Packing material size is 2～3cm, and porosity is 96%～98%, is beneficial to exhaust-gas treatment microorganism colonization, waste gasProcessing and the absorption of air inlet microbial aerosol and holding back, is the packing support of porous bottom biofiltration districtPlate, aperture is 3～5mm, has air distribution function concurrently.
4. the equipment of a kind of synchronous removal odorant according to claim 1 and microbial aerosol,It is characterized in that: described ultraviolet light catalyst reaction zone is made up of several ultraviolet lamp tubes, fills sharp simultaneouslyTitanium type nano-titania photocatalyst and coating material, form photo-catalytic filtering screen.
5. one kind is utilized the one described in claim 1～4 any one synchronously to remove odorant and microorganismAerocolloidal method, is characterized in that: containing the municipal wastewater treatment plant gas head of foul smelling and microbial aerosolFirst pass through wet scrubbing district, gas obtains humidification, simultaneously odorant and the microorganism of part good water solubilityAerosol is removed, and then enters biofiltration district, and filling high density degree in biofiltration district, aperture are littleActive bio filler, be easy to microorganism colonization, growth, be easy to hold back the bacterial gas in air inlet simultaneouslyColloidal sol, drying district enters in ultraviolet light catalyst reaction zone after being dried afterwards, the TiO in photocatalyst2At purpleUnder the irradiation of outside line, produce the extremely strong hydroxy of oxidizing force (OH) and active oxygen (O), [DanBody reacts, and removes the not removed microbial aerosol in biofiltration district, purified gas simultaneouslyDischarge from exhaust outlet, blower fan is placed in equipment, and guarantee equipment is in negative pressure state, avoid containing stench andThe Leakage Gas of microbial aerosol.
6. method according to claim 5, is characterized in that: install at described top, biofiltration districtNutrient solution spray thrower, by the regular spraying nutrient solution of pipeline, excessive nutrient solution enters wet scrubbing district,Set the unnecessary nutrient solution of liquid level higher than level indicator and discharged by discharge outlet, biofiltration is arranged in districtLine pH and moisture content monitoring probe, and form FEEDBACK CONTROL with sprinkling equipment, ensure filler pH and wet containingAmount is respectively 6～9 and 40～60%.
7. method according to claim 5, is characterized in that: enter through the dried gas of dry sectionEnter ultraviolet light catalyst reaction zone, the ultraviolet wavelength that uviol lamp produces is 253nm, and radiation intensity is 1200μm/cm2, reaction temperature is 0～50 DEG C, and reaction pressure is normal pressure, and reaction time 5～10s can be effectiveThe odorant of removing microbial aerosol and not removing previous stage.
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| CN201410460781.2A CN105582792B (en) | 2014-09-12 | 2014-09-12 | A kind of synchronous apparatus and method for for removing odorant and microbial aerosol |
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| CN201410460781.2A CN105582792B (en) | 2014-09-12 | 2014-09-12 | A kind of synchronous apparatus and method for for removing odorant and microbial aerosol |
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| CN105582792A true CN105582792A (en) | 2016-05-18 |
| CN105582792B CN105582792B (en) | 2018-03-02 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106378278A (en) * | 2016-11-15 | 2017-02-08 | 笪亚臣 | Special non-pollution dry waiting room for furniture |
| CN107364951A (en) * | 2017-08-23 | 2017-11-21 | 中国地质大学（武汉） | A kind of apparatus and method that microbial aerosol pollutant in sewage is reduced from source |
| CN108607299A (en) * | 2016-12-12 | 2018-10-02 | 江苏帕斯玛环境科技有限公司 | Novel portable water scrubber |
| CN109173701A (en) * | 2018-10-29 | 2019-01-11 | 广东盈睿通环境科技有限公司 | A kind of organic exhaust gas biological purification system and technique |
| CN109865425A (en) * | 2017-12-01 | 2019-06-11 | 河南正达环保科技有限公司 | A kind of device and method of catalytic oxidation treatment exhaust gas |
| CN110180341A (en) * | 2019-07-08 | 2019-08-30 | 上海品境节能环保科技有限公司 | It is a kind of for handling the bio-trickling device of doctorization exhaust gas |
| CN110386668A (en) * | 2019-09-04 | 2019-10-29 | 山东和正环保工程有限公司 | A kind of economic benefits and social benefits denitrification dephosphorization apparatus |
| CN111870729A (en) * | 2020-06-16 | 2020-11-03 | 西安交通大学 | Human-computer coexistence in-vitro new coronavirus optical killing method |
| CN112058077A (en) * | 2020-08-21 | 2020-12-11 | 中国科学院生态环境研究中心 | Equipment for treating volatile organic compounds and bioaerosol by using bio-photoelectric multi-energy field |
| CN112076623A (en) * | 2020-08-21 | 2020-12-15 | 中国科学院生态环境研究中心 | Method for treating volatile organic compounds and bioaerosol |
| CN113082999A (en) * | 2021-04-12 | 2021-07-09 | 江苏协佳环保科技有限公司 | Combined biological deodorization equipment |
| CN114028940A (en) * | 2021-11-25 | 2022-02-11 | 江南大学 | Assembled organic pollution waste gas treatment device and method |
| CN114392649A (en) * | 2021-12-24 | 2022-04-26 | 北京建筑大学 | Biological deodorization system and method for enhanced removal of microbial aerosol |
| CN116283007A (en) * | 2023-03-03 | 2023-06-23 | 河海大学 | Coral aggregate based on microorganism repair enhancement and preparation method and device thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106378278A (en) * | 2016-11-15 | 2017-02-08 | 笪亚臣 | Special non-pollution dry waiting room for furniture |
| CN106378278B (en) * | 2016-11-15 | 2018-09-11 | 笪亚臣 | A kind of furniture Special pollution-free waits for stove room |
| CN108607299A (en) * | 2016-12-12 | 2018-10-02 | 江苏帕斯玛环境科技有限公司 | Novel portable water scrubber |
| CN107364951A (en) * | 2017-08-23 | 2017-11-21 | 中国地质大学（武汉） | A kind of apparatus and method that microbial aerosol pollutant in sewage is reduced from source |
| CN109865425A (en) * | 2017-12-01 | 2019-06-11 | 河南正达环保科技有限公司 | A kind of device and method of catalytic oxidation treatment exhaust gas |
| CN109173701A (en) * | 2018-10-29 | 2019-01-11 | 广东盈睿通环境科技有限公司 | A kind of organic exhaust gas biological purification system and technique |
| CN110180341A (en) * | 2019-07-08 | 2019-08-30 | 上海品境节能环保科技有限公司 | It is a kind of for handling the bio-trickling device of doctorization exhaust gas |
| CN110386668A (en) * | 2019-09-04 | 2019-10-29 | 山东和正环保工程有限公司 | A kind of economic benefits and social benefits denitrification dephosphorization apparatus |
| CN111870729A (en) * | 2020-06-16 | 2020-11-03 | 西安交通大学 | Human-computer coexistence in-vitro new coronavirus optical killing method |
| CN112058077A (en) * | 2020-08-21 | 2020-12-11 | 中国科学院生态环境研究中心 | Equipment for treating volatile organic compounds and bioaerosol by using bio-photoelectric multi-energy field |
| CN112076623A (en) * | 2020-08-21 | 2020-12-15 | 中国科学院生态环境研究中心 | Method for treating volatile organic compounds and bioaerosol |
| CN113082999A (en) * | 2021-04-12 | 2021-07-09 | 江苏协佳环保科技有限公司 | Combined biological deodorization equipment |
| CN114028940A (en) * | 2021-11-25 | 2022-02-11 | 江南大学 | Assembled organic pollution waste gas treatment device and method |
| CN114392649A (en) * | 2021-12-24 | 2022-04-26 | 北京建筑大学 | Biological deodorization system and method for enhanced removal of microbial aerosol |
| CN116283007A (en) * | 2023-03-03 | 2023-06-23 | 河海大学 | Coral aggregate based on microorganism repair enhancement and preparation method and device thereof |
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