A kind of foul waste gas biological deodorizing device
Technical field
The utility model belongs to environmental protecting device field, particularly relates to a kind of foul waste gas biological deodorizing device.
Background technology
The industries such as sewage disposal, garbage disposal and disposal, livestock and poultry cultivation, chemical industry, petrochemical industry, pharmacy can produce the foul gas containing materials such as hydrogen sulfide, ammonia, methyl mercaptan, ethyl mercaptan, ethyl sulfide and methyl amine, not only reduce the sensory experience of people, and serious harm can be caused to health and ecological environment.Along with the enhancing day by day of socioeconomic development, growth in the living standard and Public Environmental Awareness, administer foul gas and pollute the task of top priority becoming efforts at environmental protection.
Technology at present for above-mentioned foul gas process mainly contains Dilution air, shelters, chemical absorbing, chemical spray, charcoal absorption and biotechnology etc., wherein biological odor removal method becomes mainstream technology gradually.But because the parameter such as temperature and pH value of waste gas is very large to the influential effect of biological deodorizing, in addition the foul gas fluctuation of concentration produced in actual production process is large, component is comparatively complicated, when adopting conventional single treatment technology process foul gas, have that treatment effeciency is low, system cloud gray model is unstable, be difficult to realize the problem such as qualified discharge after foul gas process; And the problem such as when adopting multiple treatment facility to be combined into row relax, ubiquity equipment is many, complicated operation, floor space are large.
Utility model content
The purpose of this utility model is the deficiency existed for prior art, and provide a kind of foul waste gas biological deodorizing device, the utility model is high to foul waste gas treatment effeciency, simple to operate, floor space is little, can realize the stably reaching standard discharge of foul waste gas.
The technical solution adopted in the utility model is as follows:
A kind of foul waste gas biological deodorizing device, comprise tower body, side, tower body bottom is provided with air inlet, and top is provided with gas outlet; Be divided in turn from the bottom to top in tower body be interconnected spray-absorption district, biological deodorizing district, spray washing district and dehydrating demisting district: top, spray-absorption district is provided with the absorbing liquid shower be connected with absorbing liquid import, is provided with absorbing liquid outlet bottom spray-absorption district; Biological deodorizing is provided with biologic packing material in district, is provided with the nutrient solution shower be connected with nutrient solution import above biologic packing material, and below is provided with for connecing the first flow guiding inclined plate drawing nutrient solution, and the first flow guiding inclined plate and tower body junction are provided with nutrient solution outlet; Top, spray washing district is provided with the cleaning solution shower be connected with cleaning solution import, and be provided with bottom spray washing district for connecing the second flow guiding inclined plate drawing cleaning solution, the second flow guiding inclined plate and tower body junction are provided with cleaning solution and export; Dehydrating demisting filler is provided with in dehydrating demisting district.
Preferably, be provided with spray-absorption filler in described spray-absorption district below absorbing liquid shower, spray-absorption filler is the one in porcelain lopps, the ball dumped packing of porous plastics or structured packing.
Preferably, staggered first deflection plate is provided with between described spray-absorption filler and air inlet.
Preferably, the second deflection plate is provided with between the first flow guiding inclined plate and biologic packing material in described biological deodorizing district.
Preferably, be provided with spray washing filler in described spray washing district below cleaning solution shower, spray washing filler is the one in porcelain lopps, the ball dumped packing of porous plastics or structured packing.
Preferably, the 3rd deflection plate is provided with between the second flow guiding inclined plate and spray washing filler in described spray washing district.
Preferably, described biologic packing material is that multilayer is arranged.
Preferably, described biologic packing material can be made up of the porous polypropylene bead of many inner filled polyurethane sponge blocks, and biologic packing material is attached with complex microorganism.
Preferably, described dehydrating demisting filler is silk screen class filler or corrugated plating class filler.
Preferably, corresponding with spray-absorption filler, biologic packing material, spray washing filler and dehydrating demisting filler tower body place is respectively equipped with manhole.
During work, enter spray-absorption district in by blower fan from the air inlet of side, tower body bottom by needing foul waste gas to be processed, absorbing liquid is sprayed downwards from absorbing liquid import by absorbing liquid shower, absorbing liquid after spray-absorption filler by the first deflection plate baffling, then be collected after absorbing liquid outlet outflow and recycle, foul waste gas fully contacts with absorbing liquid in spray-absorption district, spray-absorption filler is conducive to improving its contact effect, water soluble contaminants in foul waste gas is absorbed by liquid absorption, and its temperature and pH value are adjusted in suitable scope, for biological deodorizing creates advantage.
Foul waste gas after the process of spray-absorption district upwards flows into biological deodorizing district, when foul waste gas contacts with biologic packing material, wherein biodegradable composition through complex microorganism biodegradation and be removed, nutrient solution is sprayed towards biologic packing material from nutrient solution import by nutrient solution shower, nutrient solution to flow downwards through after biologic packing material baffling to the first flow guiding inclined plate after the second deflection plate, then is guided to be collected after nutrient solution outlet through the first flow guiding inclined plate and recycles.Complex microorganism in biologic packing material is attached on porous polypropylene bead, adds the contact area of complex microorganism and foul waste gas, and the confinement capabilities of polyurethane sponge block to nutrient solution is wherein high, meets the material requisite of complex microorganism growth.
Foul waste gas after the process of biological deodorizing district upwards flows into spray washing district, foul waste gas fully contacts with spray washing filler, the amounts of residual contamination composition wherein do not eliminated in biological deodorizing district is effectively removed at this, cleaning solution is sprayed downwards from cleaning solution import by cleaning solution shower simultaneously, foul waste gas is washed, ensure that the foul waste gas after process meets the standard of discharge, cleaning solution flows downward by baffling to the second flow guiding inclined plate after the 3rd deflection plate, then is guided to after cleaning solution outlet through the second flow guiding inclined plate and is collected and recycles.
Foul waste gas after the process of spray washing district upwards flows into dehydrating demisting district, and foul waste gas fully contacts with dehydrating demisting filler and sloughs the moisture in gas, then drains into the external world through the gas outlet of tower body.
After absorbing liquid, nutrient solution and cleaning solution are collected separately, continue participation and recycle.
The design of manhole, facilitates staff to enter in tower body and changes corresponding filler and other components or overhaul.
Compared with prior art, tool has the following advantages the utility model: structure is simple, floor space is little, easy and simple to handle and high to foul waste gas treatment effeciency, can realize the stably reaching standard discharge of foul waste gas.
Accompanying drawing explanation
Fig. 1 is the structural representation of foul waste gas biological deodorizing device in detailed description of the invention, wherein, I be spray-absorption district, II is biological deodorizing district, III is spray washing district, IV for dehydrating demisting district.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model:
As shown in Figure 1, a kind of foul waste gas biological deodorizing device, comprises tower body 10, and side, its underpart is provided with air inlet 11, and tower body 10 top is provided with gas outlet 12; Be divided in turn from the bottom to top in tower body 10 be interconnected spray-absorption district I, biological deodorizing district II, spray washing district III and dehydrating demisting district IV.
Top, spray-absorption district I is provided with the absorbing liquid shower 22 be connected with absorbing liquid import 20, absorbing liquid outlet 21 is provided with bottom spray-absorption district I, be provided with spray-absorption filler 23 below absorbing liquid shower 22, between spray-absorption filler 23 and air inlet 11, be provided with staggered first deflection plate 24.
Two-layer biologic packing material 33 is provided with in biological deodorizing district II, the nutrient solution shower 32 be connected with nutrient solution import 30 is provided with above biologic packing material 33, below is provided with for connecing the first flow guiding inclined plate 35 drawing nutrient solution, be provided with the second deflection plate 34, first flow guiding inclined plate 35 between first flow guiding inclined plate 35 and lower floor's biologic packing material 33 and be provided with nutrient solution outlet 31 with tower body 10 junction.
Spray washing filler 43 is provided with in spray washing district III, the cleaning solution shower 42 be connected with cleaning solution import 40 is provided with above spray washing filler 43, below is provided with for connecing the second flow guiding inclined plate 45 drawing cleaning solution, be provided with the 3rd deflection plate 44, second flow guiding inclined plate 45 between second flow guiding inclined plate 45 and spray washing filler 43 to be provided with cleaning solution with tower body 10 junction and to export 41.
Dehydrating demisting filler 50 is provided with in dehydrating demisting district IV.
Described biologic packing material 33 is made up of the porous polypropylene bead of multiple inner filled polyurethane sponge block and framework, porous polypropylene bead is attached with complex microorganism, biologic packing material is attached with complex microorganism.
Tower body 10 cylindrical shell and spray-absorption filler 23, biologic packing material 33, spray washing filler 43 and dehydrating demisting filler 50 corresponding position are all provided with manhole 60.
During work, enter in spray-absorption district I by needing foul waste gas to be processed from the air inlet 11 of side, tower body 10 bottom, absorbing liquid is sprayed downwards from absorbing liquid import 20 by absorbing liquid shower 22, absorbing liquid flows down through by the first deflection plate 24 baffling after spray-absorption filler 23, then recycles from being collected after absorbing liquid outlet 21 is flowed out; Foul waste gas upwards flows and fully to contact with absorbing liquid, and the water soluble contaminants in foul waste gas is absorbed by liquid absorption, and the temperature of foul waste gas and pH value are adjusted in suitable scope, for biological deodorizing creates advantage.
Foul waste gas after spray-absorption district I process enters biological deodorizing district II, and foul waste gas fully contacts with biologic packing material 33, and wherein biodegradable composition is subject to the biodegradation of complex microorganism and is removed; Nutrient solution is sprayed towards biologic packing material 33 from nutrient solution import 30 by nutrient solution shower 32, nutrient solution to flow downwards through after biologic packing material 33 baffling to the first flow guiding inclined plate 35 after the second deflection plate 34, then is collected after the first flow guiding inclined plate 35 is guided to nutrient solution outlet 31 and recycles.In biologic packing material 33, on complex microorganism attachment porous polypropylene bead, add the contact area of complex microorganism and foul waste gas, meanwhile, the confinement capabilities of polyurethane sponge block to nutrient solution and cleaning solution is high, meets the material requisite of complex microorganism growth.
Foul waste gas after biological deodorizing district II process enters spray washing district III, and foul waste gas upwards flows and fully to contact with spray washing filler 43, and the amounts of residual contamination composition wherein do not eliminated at biological deodorizing district II is effectively removed at this; Simultaneously, cleaning solution is sprayed downwards from cleaning solution import 40 by cleaning solution shower 42, foul waste gas is washed, ensure that the foul waste gas after process meets the standard of discharge, cleaning solution flows downward by baffling to the second flow guiding inclined plate 45 after the 3rd deflection plate 44, then is guided to be collected after cleaning solution outlet 41 through the second flow guiding inclined plate 45 and recycles.
Foul waste gas after spray washing district III process enters dehydrating demisting district IV, dehydrating demisting filler is silk screen class filler or corrugated plating class filler, foul waste gas upwards flows and fully to contact with dehydrating demisting filler 50, remove the moisture carried in gas, then drain into the external world through the gas outlet 12 of tower body 10.
After absorbing liquid, nutrient solution and cleaning solution are collected separately, continue participation and recycle.
The design of manhole 60, facilitates staff to enter in tower body 10 and changes corresponding filler and other components or overhaul.