A kind of sludge aerobic desiccation deodorization device
Technical field
The utility model relates to sludge deodorization field more particularly to a kind of sludge aerobic desiccation deodorization devices.
Background technique
With largely building up for large size city sewage treatment plant, as the foul smell of sewage plant auxiliary product, and it is corresponding
Odor control also has been to be concerned by more and more people.The foul smell generated during municipal sewage treatment is concentrated mainly on intake pump
At room, primary sedimentation tank, aeration tank, storage basin, sludge concentration tank, sludge dewatering computer room and heap canopy.These odor causing substances mainly have
The organic matters such as the inorganic matters such as hydrogen sulfide, ammonia and low-molecular-weight fatty acid, amine, aldehydes, ketone, ethers, halogenated hydrocarbons;According to analysis, at
The concentration highest of ammonia, followed by H2S in point;Methyl mercaptan is maximum in the intensity of foul smell, followed by H2S, these pollutants have easy
Volatilization, the features such as olfact is low, not only the serious living environment of pollution nearby residents, is detrimental to health, and to sewage at
Metal material, equipment and the pipeline for managing factory have aggressive, therefore take odor removal measure very necessary;Currently, deodorization master
It to be completed by spray washing, also need to carry out the secondary treatment of foul smell after spray washing, operating cost is higher.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of sludge aerobic desiccation deodorization dresses
It sets, which includes caustic wash tower, photocatalysis apparatus and activated carbon adsorption device, combines spray washing+photocatalysis+activity
The group technology of charcoal absorption improves the service life and reduction later period operating cost of active carbon by increasing photocatalysis apparatus, together
When can greatly improve the exhaust treatment efficiency of VOC class.
The purpose of this utility model adopts the following technical scheme that realization:
A kind of sludge aerobic desiccation deodorization device, including caustic wash tower, photocatalysis apparatus and activated carbon adsorption device;The alkali
The bottom for washing tower is equipped with alkali cleaning input port, and the top of caustic wash tower is equipped with alkali cleaning delivery outlet, and one end of the photocatalysis equipment is equipped with
Photocatalysis input port, the other end are equipped with photocatalysis delivery outlet, and one end of the active carbon adsorption equipment is equipped with absorption input port, separately
One end is equipped with absorption delivery outlet, and the alkali cleaning delivery outlet is connected to photocatalysis input port, and the photocatalysis delivery outlet and absorption are defeated
Entrance connection.
Further, multiple spray throwers are equipped in the caustic wash tower, multiple spray throwers are mounted in caustic wash tower from top to bottom.
Further, multiple filter mesh layers are additionally provided in the caustic wash tower, multiple filter mesh layers and multiple spray thrower intervals are arranged.
Further, reflux unit is equipped with outside the caustic wash tower, the reflux unit includes reflux pump, water inlet pipe and goes out
Water pipe, one end of the reflux pump connect water inlet pipe, and the water inlet pipe is connected to the bottom of caustic wash tower, the reflux pump it is another
End connection outlet pipe, the outlet pipe are connected on spray thrower.
Further, photocatalytic plate and ultraviolet lamp are installed in the photocatalysis apparatus, are coated on the photocatalytic plate
Photochemical catalyst.
Further, multiple active carbon slabs are installed in the activated carbon adsorption device.
Further, the absorption delivery outlet is connected with centrifugal blower.
Compared with prior art, the utility model has the beneficial effects that:
The sludge aerobic desiccation deodorization device of the utility model, the deodorization device include caustic wash tower, photocatalysis apparatus and work
Property charcoal adsorbent equipment, combine spray washing+photocatalysis+activated carbon adsorption group technology, by increase photocatalysis apparatus mention
The service life and reduction later period operating cost of high activity charcoal, while can greatly improve the exhaust treatment efficiency of VOC class.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the sludge aerobic desiccation deodorization device of the utility model;
Fig. 2 is the structural schematic diagram of the caustic wash tower of the utility model.
In figure: 1, caustic wash tower;11, alkali cleaning input port;12, alkali cleaning delivery outlet;2, photocatalysis apparatus;21, photocatalysis inputs
Mouthful;22, photocatalysis delivery outlet;3, activated carbon adsorption device;31, input port is adsorbed;32, delivery outlet is adsorbed;4, spray thrower;5, it filters
Stratum reticulare;6, reflux unit;61, reflux pump;62, water inlet pipe;63, outlet pipe;7, centrifugal blower.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
Embodiment 1:
Referring to Fig.1-2, a kind of sludge aerobic desiccation deodorization device, including caustic wash tower 1, photocatalysis apparatus 2 and active carbon are inhaled
Adsorption device 3.
The bottom of caustic wash tower 1 is equipped with alkali cleaning input port 11, and the top of caustic wash tower 1 is equipped with alkali cleaning delivery outlet 12, and photocatalysis is set
Standby one end is equipped with photocatalysis input port 21, and the other end is equipped with photocatalysis delivery outlet 22, and one end of active carbon adsorption equipment is equipped with
Input port 31 is adsorbed, the other end is equipped with absorption delivery outlet 32, and alkali cleaning delivery outlet 12 is connected to photocatalysis input port 21, and photocatalysis is defeated
Outlet 22 is connected to absorption input port 31, and absorption delivery outlet 32 is connected with centrifugal blower 7, and centrifugal blower 7 plays the role of drainage,
The foul smell entered from caustic wash tower 1 is successively passed through caustic wash tower 1, photocatalysis apparatus 2 and activated carbon adsorption device 3 to handle.
Multiple spray throwers 4 are equipped in caustic wash tower 1, multiple spray throwers 4 are mounted on from top to bottom in caustic wash tower 1, in caustic wash tower 1
Multiple filter mesh layers 5 are additionally provided with, multiple filter mesh layers 5 are arranged with multiple spray throwers 4 interval, and the setting of filter mesh layer 5 can adsorb foul smell
In macromolecular particle object.Reflux unit 6 is equipped with outside caustic wash tower 1, reflux unit 6 includes reflux pump 61, water inlet pipe 62 and goes out
Water pipe 63, one end of reflux pump 61 connect water inlet pipe 62, and water inlet pipe 62 is connected to the bottom of caustic wash tower 1, reflux pump 61 it is another
End connection outlet pipe 63, outlet pipe 63 are connected on spray thrower 4, and the lye sprayed out from spray thrower 4 will be given up by caustic wash tower 1
It in sulfur-containing compound in gas and removes, alkaline stream drops down onto the bottom of caustic wash tower 1, again from spray after the collection of reflux unit 6
It is sprayed out in device 4, achievees the effect that recycle.
Photocatalytic plate and ultraviolet lamp are installed in photocatalysis apparatus 2, are coated with photochemical catalyst on photocatalytic plate.Photochemical catalyst
Under the irradiation of ultraviolet lamp, it reacts with the organic matter in foul smell, the volatile organic matter in exhaust gas is passed through into catalysis mineralising
Low molecular product is resolved into later.
Multiple active carbon slabs are installed, active carbon slab relies on the remaining exhaust gas in exhaust gas in activated carbon adsorption device 3
Activated carbon adsorption feature is reduced to client destination value.
Using arrow direction as foul smell flow direction, the sludge aerobic desiccation deodorization device of the utility model, the deodorization device
Including caustic wash tower 1, photocatalysis apparatus 2 and activated carbon adsorption device 3, spray washing+photocatalysis+activated carbon adsorption group is combined
Technique is closed, the service life and reduction later period operating cost of active carbon are improved by increasing photocatalysis apparatus 2, while can be greatly
The exhaust treatment efficiency of VOC class is improved, it is higher for the anti-shock loading of exhaust gas.
Above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement belong to
In the utility model range claimed.