CN206535415U - A kind of device of large-wind-volume low-concentration foul gas purification - Google Patents
A kind of device of large-wind-volume low-concentration foul gas purification Download PDFInfo
- Publication number
- CN206535415U CN206535415U CN201720166888.5U CN201720166888U CN206535415U CN 206535415 U CN206535415 U CN 206535415U CN 201720166888 U CN201720166888 U CN 201720166888U CN 206535415 U CN206535415 U CN 206535415U
- Authority
- CN
- China
- Prior art keywords
- ozone
- water
- ozone water
- gas
- concentration
- 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.)
- Active
Links
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model belongs to waste gas purification technical field, specially a kind of device of large-wind-volume low-concentration foul gas purification.Unit two large divisions is used including Ozone Water preparation unit and Ozone Water；Ozone Water preparation unit is made up of ozone generator, cold water draft machine, cold water storage tank, gas-liquid mixing pump and high-concentration ozone water surge tank, for preparing the Ozone Water that concentration is high, stability is good；Ozone Water includes reaction tower body, high-pressure high-concentration Ozone Water release, catalyst unit, the secondary utilization area of ozone, collecting tank, elution fluid circulation, liquid knockout and attached pipe fitting using unit；The secondary utilization area of Ozone Water release, catalyst unit, ozone is arranged in reaction tower body, at least 2 layers of catalyst unit.The utility model uses low temperature pressuring method, forms high-concentration ozone water, and effectively reduces the selfdecomposition of ozone, and the ozone concentration in tail gas can be made to be less than ambient air quality（GB 3095‑2012）Middle prescribed limits.
Description
Technical field
The utility model belongs to waste gas purification technical field, and in particular to catalytic ozonation large-wind-volume low-concentration effluvium
The device of body.
Background technology
Foul gas pollution has turned into focus and emphasis that current public's environmental pollution is complained.Foul gas species is various,
Wherein only there is kind more than 4000 with human olfactory is sentient, because the odor threshold of many odorants is low, such as sulfur-bearing is organic
Thing, the material such as organic amine, even if the concentration of odorant is not high, also easily causes people's olfactory organ displeased, so as to damage
Quality of life.The lighter makes one not feel well, the symptoms such as headache, dizzy, Nausea and vomiting and distraction occur, it is heavy then to people
Respiratory system, the circulatory system, digestive system, respiratory system, internal system and the neuropsychiatric of body are caused in various degree
Murder by poisoning, or even some aromatic compounds, such as benzene, toluene, styrene can also make human body produce distortion, canceration.Therefore, have
The control for closing foul gas pollution receives much concern always, especially the purified treatment of the foul gas of large-wind-volume low-concentration, increasingly
As one of topmost task in Air Pollution Control field.
Currently used in the purification method of large-wind-volume low-concentration foul gas, Ozonation because with good purification,
Easy to use the advantages of, receive much concern.But caused using during Ozonation, there is ozone itself the easily reason such as decomposition
Its utilization rate is not high, and the residence time is long, the shortcomings of reaction of ozone and odorant is slow, therefore, ozone and light technology, catalyst,
The technique units such as bioanalysis are combined, the popular way as current ozone purification stench.
In terms of ozone and light technology synergy, ozone produces oxygen atom under ultraviolet light decomposition, oxygen atom except with stench
Substance reaction, can also self compounding generation oxygen, so as to cause ozone utilization rate extremely low, the luminous effect of uviol lamp is limited in addition
The more low factor of rate, utilization rate of ultraviolet light so that ozone is restricted with light technology synergy application.
Ozone is combined with catalyst, to improving ozone utilization rate aspect effect significantly, but due to the easy selfdecomposition of ozone, ozone
Utilization rate is still satisfied with not to the utmost, is happened occasionally in addition situations such as catalyst easy in inactivation, blocking, catalytic ozonation technique is only indivedual
Field is applied.
Aspect is used in combination in the technique units such as ozone and bioanalysis, because ozone utilization rate is not improved at all, and newly-increased
Plus technique improve to the requirement in terms of place, equipment investment, running management, thus limit its promote and use.
The utility model is directed in ozonation technology, and the problem of ozone utilization rate is not high improves ozone there is provided one kind
It is simultaneously used for the method and apparatus that foul gas is purified by utilization rate, has widened application of the ozone oxidation in field of gas purification.
The content of the invention
The purpose of this utility model is to provide a kind of ozone utilization rate height, strong adaptability, running management convenience and investment
The device for the large-wind-volume low-concentration foul gas purification that the relatively low concentration of expense is high, stability is good.
The device for the large-wind-volume low-concentration foul gas purification that the utility model is provided, including Ozone Water preparation unit and smelly
Oxygen water uses unit two large divisions；Wherein, the Ozone Water preparation unit by ozone generator, cold water draft machine, cold water storage tank,
Gas-liquid mixing pump and high-concentration ozone water surge tank composition, for preparing the Ozone Water that concentration is high, stability is good；Wherein, gas-liquid
Mixing pump is respectively with ozone generator and cold water storage tank UNICOM, cold water prepared by the ozone of ozone generator and cold water draft machine
It is pumped into Ozone Water surge tank.
The ozone generator is produced using the gas discharge form of air-source or source of oxygen, needs to carry out source of the gas before use
Drying process.
The cold water draft machine and the integrated unit of cold water storage tank, the cold water temperature of preparation are compared at 0 ~ 10 DEG C
Normal-temperature water, water is dissolved using cold water as ozone, solubility of the ozone in water can be improved more than five times, while also greatly improving
The useful life of Ozone Water.Cold water need to add ozone stabilizers before in water, and the stabilizer is silicates, and dosage is pressed
Weight is than 0.5 ‰ ~ 5%, and silicates stabilizer used, which can effectively adsorb the total ferrous ion of water and other, catalysis point to ozone
The metal ion of solution effect, such as copper ion, manganese ion after stabilizer, can effectively reduce Ozone Water decomposition.
The gas-liquid mixing pump and the integrated equipment of Ozone Water surge tank, gas-liquid mixing pump automatically produce ozone generator
In raw ozone suction pump, it is sufficiently mixed with the cold water that with the addition of stabilizer, forms the Ozone Water of high concentration, outlet pressure exists
Between 0.15 ~ 5 MPa, ozone water-carrying capacity handles air quantity according to foul gas and determined, general control liquid-gas ratio is（0.1-2）：1
（L/m³）.
The Ozone Water includes reaction tower body, high-pressure high-concentration Ozone Water release, catalyst unit, ozone two using unit
Secondary utilization area, collecting tank, elution fluid circulation, liquid knockout and attached pipe fitting.Wherein, Ozone Water release, catalyst unit, smelly
The secondary utilization area of oxygen is arranged in reaction tower body, at least 2 layers of catalyst unit；
Wherein, reaction tower body is stainless steel or other resistance to ozone corrosion materials, circular or square core structure.React tower body
Top be provided with purified gas outlet.
High-pressure high-concentration Ozone Water release is connected with Ozone Water surge tank by pipeline, using perforated pipe or nozzle shape
Formula, discharges Ozone Water.Ozone Water release be placed in above and below between two layers of catalyst elementary layer, Ozone Water is eluted under after discharging
Catalyst elementary layer, part Ozone Water, to upper strata catalyst elementary layer, is further fully reacted by air stream drawn.
Catalyst unit is made up of hollow netted plastic ball, catalyst filler, and catalyst filler is placed in hollow netted plastic ball, is kept away
Exempt from directly to accumulate catalyst filler, cause excessively stream resistance big, the problem of air-flow is easily short-circuit；As needed, catalyst elementary layer can be set
Two layers or multilayer.The hollow netted plastic ball serves not only as the support member of catalyst filler, is also used for airflow uniform distribution and Ozone Water
In being uniformly distributed for catalyst filler surface, material is the inert material of resistance to ozone, caliber size 20-100mm, mesh size 2-10
Mesh；The catalyst filler is spherical, bar-shaped or other irregular, the main metal oxide for including having catalysis, tools
There are the carrier of adsorption function, metal oxide supported amount 0.5-10%（Weight ratio）；Metal oxide can using titanium, copper, zinc, iron,
The oxide of nickel, manganese etc.；Carrier can use alundum (Al2O3), activated carbon, bamboo charcoal, hydrophobic zeolite with adsorption function etc., lead to
Suction-operated is crossed, the contact probability of ozone and odorant can be improved, reaction efficiency is improved.
The secondary utilization area of ozone, on the top of upper strata catalyst unit, is double-deck bell-mouth structure of air, and lower horn mouth is half-open, upper loudspeaker
Mouth is closed, and the upper and lower fixed gap of horn mouth interval one is easy to gas to circulate, and is passed the gas through the excessively stream speed in space and be
0.5-3 m/s。
Collecting tank connects with reaction tower body phase, for collecting the Ozone Water eluted from lower floor's catalyst unit, by lower floor
The abundant reaction of catalyst unit, ozone in water content is greatly reduced, into collecting tank after, a small amount of ozone continues and dissolving in water
Odorant reacts in water, further enhances deodorizing effect.
Eluting fluid circulation includes nozzle, water circulating pump, the attached pipe fitting of circulating water chennel, wherein, circulating water chennel bottom leads to
Piping and collecting tank UNICOM, circulating water chennel top pass through pipeline and the UNICOM of ozone secondary utilization area in reaction tower body, nozzle
Be arranged at the top in the secondary utilization area of ozone, water circulating pump respectively with circulating water chennel and nozzle UNICOM；Fluid circulation is eluted to use
In to the progress elution trapping of micro residue ozone, it is ensured that ozone content is less than 0.1 mg/m3 in tail gas, less than surrounding air matter
Amount standard（GB 3095-2012）Middle prescribed limits, are dispelled while having concurrently and carrying out elution to the solable matter escaped in waste gas.
Leacheate uses clear water or deionized water, and adds some cosolvents in leacheate, increases the elution effect of ozone, such as adds
Hydroquinones etc., dosage is 0.1 ‰ -5%（Weight ratio）.
Liquid knockout is arranged at reaction tower body top, and it is to eliminate air-flow to pass through solution dehumidification while migration during tower body that it, which is acted on,.It can use
Silk screen filter or baffling corrugated plating form.
Its workflow is as shown in Figure 1.
Outside air or oxygen prepare ozone after drying process by ozone generator, the ozone in gas-liquid mixing pump with
Cold water from cold water storage tank is sufficiently mixed, and the cold water is prepared by cold water draft machine, is controlled as 0-10 DEG C of water temperature, is added in cold water
Ozone stabilizers silicates, dosage is by weight 0.5 ‰ ~ 5%.The high-pressure high-concentration Ozone Water of formation is collected in Ozone Water
In surge tank, pressure inside the tank is reached after 0.15 ~ 5 MPa, smelly on the catalyst filler that Ozone Water release elutes in reaction tower
Oxygen water-carrying capacity presses liquid-gas ratio（0.1-2）：1（L/m³）Control.In reaction tower ozone is entered back into after ozone and odorant reaction
Secondary utilization area, and elution trapping is carried out to micro residue ozone by eluting fluid circulation, it is ensured that ozone content in tail gas
Less than 0.1 mg/m3, less than ambient air quality（GB 3095-2012）Middle prescribed limits, and can to what is escaped in waste gas
Soluble substance carries out elution and dispelled.Leacheate uses clear water or deionized water, and adds the cosolvents such as hydroquinones, and cosolvent is thrown
Dosage is 0.1 ‰ -5%（Weight ratio）.The liquid knockout on the reacted tower body top of gas after final purification eliminates solution dehumidification while migration heel row
Go out.
Key point of the present utility model is：
1st, the cold water temperature for preparing Ozone Water is at 0 ~ 10 DEG C, and cold water need to add ozone stabilizers before in water,
The stabilizer is silicates, and dosage is by weight 0.5 ‰ ~ 5%；
2nd, the gas-liquid mixing pump is automatic by ozone suction pump, is sufficiently mixed, is formed with the cold water that with the addition of stabilizer
The Ozone Water of high concentration, outlet pressure is between 0.15 ~ 5 MPa, and ozone water-carrying capacity handles air quantity according to foul gas and determined, presses
Liquid-gas ratio（0.1-2）：1（L/m³）Consider；
3rd, Ozone Water release be placed in above and below between two layers of catalyst elementary layer, Ozone Water is eluted after discharging in lower catalyst
Elementary layer, part Ozone Water, to upper strata catalyst elementary layer, is further fully reacted by air stream drawn；
4th, catalyst filler is placed in hollow netted plastic ball, it is to avoid directly accumulate catalyst filler, causes excessively stream resistance big, gas
The problem of stream is easily short-circuit.Hollow netted plastic ball material is the inert material of resistance to ozone, caliber size 20-100mm, mesh size 2-
10 mesh；The catalyst filler is spherical, bar-shaped or other are irregular, the main metal oxide for including there is catalysis,
Carrier with adsorption function, metal oxide supported amount 0.5-10%（Weight ratio）；Metal oxide can using titanium, copper, zinc,
The oxide of iron, nickel, manganese etc.；Carrier can use alundum (Al2O3), activated carbon, bamboo charcoal, hydrophobic zeolite with adsorption function etc.；
5th, catalyst elementary layer sets two layers or multilayer, and collecting tank is set in lower catalyst elementary layer, and connects with reaction tower body phase,
For collecting the Ozone Water eluted from lower catalyst elementary layer, into collecting tank after, a small amount of ozone continues and dissolving in water
Odorant reacts in water, further enhances deodorizing effect；
6th, the secondary utilization area of ozone, on upper catalyst elementary layer top, is double-deck bell-mouth structure of air, and lower horn mouth is half-open, upper loudspeaker
Mouth is closed, and the fixed gap of horn mouth interval one, is easy to gas to circulate up and down, and it is 0.5- to pass the gas through the excessively stream speed in space
3 m/s；
7th, the secondary utilization leacheate of ozone uses clear water or deionized water, and adds some cosolvents in leacheate, such as
Hydroquinones etc., dosage is 0.1 ‰ -5%（Weight ratio）.
Advantage of the present utility model
Compared with existing similar technology, the utility model has the characteristics that and advantage：
（1）Using low temperature pressuring method, high-concentration ozone water is formed, Ozone Water is prepared than electrolysis or photodissociation method, can carry
It is high more than 5 times, and effectively reduce the selfdecomposition of ozone；
（2）By the way of stabilizer is added in Ozone Water, ozone can be prevented effectively under some metal ion catalysises
Decomposition；
（3）The pressurized ozone water of formation, can directly be utilized, without separately being lifted with pump；
（4）Bilayer or multilayer catalyst unit with catalysis and adsorption function are set, ozone utilization rate is not only improved, also increases
The reaction probabilities of odorant and ozone are added；
（5）Catalyst filler is placed in hollow netted plastic ball, can avoid directly accumulating catalyst filler, gas-flow resistance is reduced
With avoid air flow shortcircuit problem, while reduce catalyst filler loss, be also beneficial to airflow uniform distribution and Ozone Water in catalyst filler
Surface is uniformly distributed；
（6）Ozone secondary utilization area is set, remaining ozone is carried out it is secondary make full use of, improve efficiency, also make tail gas
In ozone concentration be less than ambient air quality（GB 3095-2012）Middle prescribed limits.
Brief description of the drawings
Fig. 1 is Ozone Water preparation unit and utilizes system diagram.
Label in figure：1- tower bodies；2- high-pressure ozone water releases；The upper catalyst elementary layers of 3-；Catalyst elementary layer under 4-；5- is received
Collect groove；The secondary utilization area of 6- ozone；Horn mouth under 7-；The upper horn mouths of 8-；9- nozzles；10- water circulating pumps；11- circulating water chennels；
12- liquid knockouts.
Embodiment
Embodiment 1：
Effluvium is discharged between regulating reservoir, biochemistry pool, sedimentation basin, sludge concentration tank and the sludge dewatering of one Sewage Disposal
In body, the m3/h of total gas couette 20000 after closed collection, the foul gas stench composition comprising hydrogen sulfide, organic amine,
Thioether etc., concentration range is between 10 ~ 100 mg/m3.Using the utility model technical matters, odor concentration is more than before treatment
When 25000, odor concentration is less than 300 after processing（15 meters of aiutages）, it is much smaller than《National emission standard for odor pollutants》（GB
14554-93）Setting, stench elimination factor be more than 98.8%.The embodiment uses source of oxygen as the ozoniferous unstripped gas of production,
Ozone generator uses dielectric impedance gas discharge form, the kg/h of ozone yield 2；Using screw cooling-water machine, refrigerating capacity 30
KW, the m3/h of chilled-water flow 5；Gas-liquid mixing pump uses turbulence pump, flow 6m3/h, the kW of power 4,40 meters of lift；Tower body diameter
3.0 meters, using double-deck catalyst elementary layer, catalyst unit layer height is 0.8 meter up and down, hollow netted plastic ball material PP（It is poly-
Propylene）, the mm of diameter 50, catalyst is pelletiod size 5-8 mm, by activated alumina and manganese dioxide, titanium dioxide compounding
Into three's weight specific activity aluminum oxide:Manganese dioxide:Titanium dioxide is 100:10:2.The secondary utilization leacheate of ozone is using clear
Water, and add in clear water the hydroquinones of 5 ‰ concentration, the m3/h of pump flow 12.5, the kW of power 2.2,15 meters of lift.
Embodiment 2：
One garbage compression station, produces foul gas in garbage sorting and compression link, garbage compression station operation room is carried out
Stench composition includes hydrogen sulfide, organic amine, sulphur in total m3/h of foul gas flow 15000, the foul gas after collecting for ventilation
Alcohols, thioether etc., concentration range is between 5 ~ 80 mg/m3.Using the utility model technical matters, odor concentration before treatment
During more than 18000, odor concentration is less than 150 after processing（15 meters of aiutages）, it is much smaller than《National emission standard for odor pollutants》
（GB 14554-93）Setting, stench elimination factor be more than 99%.The embodiment is used as the ozoniferous raw material of production using air-source
Gas, ozone generator uses dielectric impedance gas discharge form, the kg/h of ozone yield 1；Using air-cooled water cooling machine, refrigeration
22 kW, the m3/h of chilled-water flow 3.6 are measured, wherein sodium metasilicate is added, addition 5 ‰；Gas-liquid mixing pump uses turbulence pump, flow
4m3/h, the kW of power 2.2,30 meters of lift；2.5 meters of tower body diameter, using double-deck catalyst elementary layer, catalyst unit layer height up and down
It is 0.7 meter, hollow netted plastic ball material PP（Polypropylene）, the mm of diameter 40, catalyst is pelletiod size 5-8 mm, by living
Property aluminum oxide and manganese dioxide, cupric oxide compounding form, three's part by weight activated alumina:Manganese dioxide:Cupric oxide is
100:10:5.The secondary utilization leacheate of ozone uses clear water, the m3/h of pump flow 10, the kW of power 1.5,16 meters of lift.
Claims (6)
1. a kind of device of large-wind-volume low-concentration foul gas purification, it is characterised in that including Ozone Water preparation unit and ozone
Water uses unit two large divisions；Wherein, the Ozone Water preparation unit is by ozone generator, cold water draft machine, cold water storage tank, gas
Liquid mixing pump and high-concentration ozone water surge tank composition, for preparing the Ozone Water that concentration is high, stability is good；Wherein, gas-liquid is mixed
Pump is closed respectively with ozone generator and cold water storage tank UNICOM, water supply pump prepared by the ozone of ozone generator and cold water draft machine
Enter Ozone Water surge tank；
The Ozone Water includes reaction tower body, high-pressure high-concentration Ozone Water release, catalyst unit, the secondary profit of ozone using unit
With area, collecting tank, elution fluid circulation, liquid knockout and attached pipe fitting；Wherein, Ozone Water release, catalyst unit, ozone two
Secondary utilization area is arranged in reaction tower body, at least 2 layers of catalyst unit；
Wherein, reaction tower body is circular or square core structure；The top for reacting tower body is provided with purified gas outlet；
High-pressure high-concentration Ozone Water release is connected with Ozone Water surge tank by pipeline, using perforated pipe or form of nozzle, is used
In release Ozone Water；Ozone Water release be placed in above and below between two layers of catalyst elementary layer, Ozone Water is eluted under after discharging
Catalyst elementary layer, part Ozone Water, to upper strata catalyst elementary layer, is further fully reacted by air stream drawn；
Catalyst unit is made up of hollow netted plastic ball, catalyst filler, and catalyst filler is placed in hollow netted plastic ball, it is to avoid straight
Accumulation catalyst filler is connect, causes excessively stream resistance big, the problem of air-flow is easily short-circuit；
The secondary utilization area of ozone, on the top of upper strata catalyst unit, is double-deck bell-mouth structure of air, and lower horn mouth is half-open, upper horn mouth
Closing, the upper and lower fixed gap of horn mouth interval one is easy to gas to circulate, and it is 0.5-3 to pass the gas through the excessively stream speed in space
m/s；
Collecting tank connects with reaction tower body phase, for collecting the Ozone Water eluted from lower floor's catalyst unit；
Eluting fluid circulation includes nozzle, water circulating pump, the attached pipe fitting of circulating water chennel, wherein, circulating water chennel bottom passes through pipe
Road and collecting tank UNICOM, circulating water chennel top are set by pipeline and the UNICOM of ozone secondary utilization area in reaction tower body, nozzle
Top in the secondary utilization area of ozone, water circulating pump respectively with circulating water chennel and nozzle UNICOM；Elute fluid circulation be used for pair
Micro residue ozone carries out elution trapping, it is ensured that ozone content is less than 0.1 mg/m3 in tail gas；
Liquid knockout is arranged at reaction tower body top, for eliminating air-flow by solution dehumidification while migration during tower body, using silk screen filter or
Baffling corrugated plating form.
2. the device of foul gas purification according to claim 1, it is characterised in that the ozone generator uses air
The gas discharge form of source or source of oxygen produces ozone, by drying device source of the gas is dried processing using preceding.
3. the device of foul gas purification according to claim 1, it is characterised in that cold water draft machine and the cold water storage
The integrated unit of tank, the cold water temperature of preparation is at 0 ~ 10 DEG C, and cold water need to add ozone stabilizers before in water, should
Stabilizer is silicates, and dosage is by weight 0.5 ‰ ~ 5%.
4. the device of foul gas purification according to claim 1, it is characterised in that the gas-liquid mixing pump and Ozone Water
In the integrated equipment of surge tank, the ozone suction pump that gas-liquid mixing pump automatically produces ozone generator, with the addition of stabilization
The cold water of agent is sufficiently mixed, and forms the Ozone Water of high concentration, outlet pressure is between 0.15 ~ 5 MPa, and ozone water-carrying capacity is according to evil
Odour processing air quantity is determined, controls the liquid-gas ratio to be（0.1-2）：1（L/m³）.
5. the device of foul gas purification according to claim 1, it is characterised in that the hollow netted plastic ball bore
Size 20-100mm, mesh size 2-10 mesh；The catalyst filler is spherical, bar-shaped or other are irregular, and material includes tool
There are the metal oxide of catalysis, the carrier with adsorption function, metal oxide supported amount 0.5-10%（Weight ratio）.
6. the device of foul gas according to claim 5 purification, it is characterised in that the metal oxide using titanium,
Copper, zinc, iron, the oxide of nickel or manganese；Carrier uses alundum (Al2O3), activated carbon, bamboo charcoal or hydrophobic boiling with adsorption function
Stone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720166888.5U CN206535415U (en) | 2017-02-23 | 2017-02-23 | A kind of device of large-wind-volume low-concentration foul gas purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720166888.5U CN206535415U (en) | 2017-02-23 | 2017-02-23 | A kind of device of large-wind-volume low-concentration foul gas purification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206535415U true CN206535415U (en) | 2017-10-03 |
Family
ID=59946101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720166888.5U Active CN206535415U (en) | 2017-02-23 | 2017-02-23 | A kind of device of large-wind-volume low-concentration foul gas purification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206535415U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106853331A (en) * | 2017-02-23 | 2017-06-16 | 复旦大学 | A kind of device of large-wind-volume low-concentration foul gas purification |
| CN113856436A (en) * | 2021-12-02 | 2021-12-31 | 中建八局第二建设有限公司 | Deodorization device and method for sewage plant |
-
2017
- 2017-02-23 CN CN201720166888.5U patent/CN206535415U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106853331A (en) * | 2017-02-23 | 2017-06-16 | 复旦大学 | A kind of device of large-wind-volume low-concentration foul gas purification |
| CN113856436A (en) * | 2021-12-02 | 2021-12-31 | 中建八局第二建设有限公司 | Deodorization device and method for sewage plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204187738U (en) | integrated household purifying humidifier | |
| CN202080917U (en) | Circulating closed-loop type ammonia nitrogen stripping system | |
| CN200995119Y (en) | Dust-collecting deodorization purifier by multifunctional combined method | |
| CN104001421B (en) | A kind of employing pretreated compound bio deodorization process of bubble-free aeration and device | |
| CN106853331A (en) | A kind of device of large-wind-volume low-concentration foul gas purification | |
| CN206535415U (en) | A kind of device of large-wind-volume low-concentration foul gas purification | |
| CN109942157A (en) | Solar-electricity catalytic integration effluent treatment plant | |
| CN206587585U (en) | Fermentation tail gas processing device | |
| CN105289231A (en) | Waste gas treatment system | |
| CN103962000A (en) | Biological treatment system for waste gas | |
| CN111592195B (en) | Vertical tubular rural sewage treatment plant | |
| CN101613166A (en) | Recycling treatment process of high-concentration ammonia nitrogen waste water | |
| CN207708831U (en) | A kind of hospital's emission-control equipment | |
| CN206082159U (en) | Organic stench exhaust treatment device of cities and towns sewage treatment plant high concentration | |
| CN205164498U (en) | Integrated treatment purifier of pollutant in waste gas | |
| CN108793322A (en) | A kind of removal of ammonia nitrogen absorption and electrolytic regeneration reactor and its application method | |
| CN214571174U (en) | High ammonia-nitrogen concentration deodorization effluent disposal system | |
| CN101612521A (en) | A kind of ecological odor biodegradation purifying device | |
| CN210473600U (en) | Gas purification and deodorization device | |
| CN207546185U (en) | A kind of high efficiency composition deodorization device | |
| CN210620387U (en) | Double-effect nitrogen and phosphorus removal device | |
| CN210393863U (en) | Aquaculture wastewater ozone treatment equipment | |
| CN210620365U (en) | Bionic oxygen-increasing micro-electrolysis artificial wetland device | |
| CN209128117U (en) | A kind of device of reverse osmosis concentrated water organic matter and ammonia nitrogen removal simultaneously | |
| CN218107294U (en) | Municipal sludge piling site stink collecting and biological deodorizing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |