CN103623693B - A kind of Efficient biological deodorization equipment - Google Patents
A kind of Efficient biological deodorization equipment Download PDFInfo
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- CN103623693B CN103623693B CN201310684354.8A CN201310684354A CN103623693B CN 103623693 B CN103623693 B CN 103623693B CN 201310684354 A CN201310684354 A CN 201310684354A CN 103623693 B CN103623693 B CN 103623693B
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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 invention discloses a kind of Efficient biological deodorization equipment, comprising: the inside of trickling filter (1) is provided with demister (9), the first spray thrower (71), the first porous aggregate bed (61), the second spray thrower (72), the second porous aggregate bed (62) and gaseous diffuser (5) from top to bottom successively; Gaseous diffuser (5) is communicated with air blast (2); The bottom of trickling filter (1) is communicated with the inlet of the first water pump (41) with the inlet of bacterium flow container (3) respectively; The liquid outlet of bacterium flow container (3) is communicated with the inlet of the first water pump (41); The liquid outlet of the first water pump (41) is communicated with the inlet of the second spray thrower (72) with the inlet of the first spray thrower (71) respectively; Deodorizing bacterium liquid is provided with in bacterium flow container (3).The embodiment of the present invention can not only promote the biomembranous speed of growth, shortens the biofilm development cycle, promote deodorizing capability, and can effectively prevent porous aggregate bed from blocking.
Description
Technical field
The present invention relates to deodorization technology field, particularly relate to a kind of Efficient biological deodorization equipment.
Background technology
The foul smell in sewage treatment plant and garbage disposal plant is one of air-polluting major source always; The main component of these foul smell comprises the materials such as ammonia, hydrogen sulfide and VOC (Volatile Organic Compounds, VOC), and therefore these foul smell have that toxicity is large, corrosivity is high, be difficult to the features such as removal.
At present, sewage treatment plant and garbage disposal plant mainly adopt biological deodorization method to remove foul smell; Biological deodorization method mainly utilizes the microorganism after domestication that odorant is decomposed into carbon dioxide and water, or other easy regenerant, thus reaches the object of deodorization.In the prior art, sewage treatment plant and garbage disposal plant mainly carry out biological deodorization in a filter tower, its specific practice is: input nutrient solution to dripping in filter tower, the microorganism making to have deodorizing capability forms biomembrane on the porous aggregate bed dripping filter tower, thus utilizes into biomembrane and carry out deodorizing; But, the nutrition that nutrient solution can provide for growth of microorganism is limited, and do not enter the nutritional labeling uneven concentration of the nutrient solution dripping filter tower in the same time, therefore biofilm development speed is slow, growth cycle long, effective degraded space of foul smell is little, deodorizing capability is weak; Meanwhile, the too high through hole of porous aggregate bed that also may cause of nutrient solution concentration of local blocks.
Summary of the invention
Main purpose of the present invention is to provide a kind of Efficient biological deodorization equipment, can not only promote the biomembranous speed of growth, shortens the biofilm development cycle, promote deodorizing capability, and can effectively prevent porous aggregate bed from blocking.
The object of the invention is to be achieved through the following technical solutions:
A kind of Efficient biological deodorization equipment, comprising: trickling filter 1, air blast 2, bacterium flow container 3 and the first water pump 41;
The inside of trickling filter 1 is provided with cylindrical chamber; This cylindrical chamber is provided with demister 9, first spray thrower 71, first porous aggregate bed 61, second spray thrower 72, second porous aggregate bed 62 and gaseous diffuser 5 from top to bottom successively; Gaseous diffuser 5 is communicated with the air blast 2 of trickling filter 1 outside;
The bottom of trickling filter 1 is communicated with the inlet of the first water pump 41 with the inlet of bacterium flow container 3 respectively; The liquid outlet of bacterium flow container 3 is communicated with the inlet of the first water pump 41; The liquid outlet of the first water pump 41 is communicated with the inlet of the second spray thrower 72 with the inlet of the first spray thrower 71 respectively;
The foul smell of odor source enters gaseous diffuser 5 under the effect of air blast 2, and is diffused into the inside of trickling filter 1 by gaseous diffuser 5; Foul smell spreads from bottom to top in the inside of trickling filter 1, and is constantly cleaned, until discharge from the gas outlet being located at trickling filter 1 top;
Deodorizing bacterium liquid is provided with in bacterium flow container 3; This deodorizing bacterium liquid comprises following each raw material by weight ratio: the supernatant of the mixture of activated sludge and secondary matured waste 800 ~ 1300 parts, the nitrobacteria after acclimation: 35 ~ 65 parts, the sulfide-oxidizing enzyme after acclimation 40 ~ 60 parts.
As seen from the above technical solution provided by the invention, the Efficient biological deodorization equipment that the embodiment of the present invention provides have employed deodorizing bacterium liquid self-loopa and deodorizing bacterium liquid on trickling filter 1 and to circulate between trickling filter 1 and bacterium flow container 3 these two kinds of methods of operation, and circulation is not nutrient solution, but comprise the supernatant of the mixture of activated sludge and secondary matured waste, nitrobacteria after acclimation, sulfide-oxidizing enzyme after acclimation is at interior deodorizing bacterium liquid, have employed about the two groups spray throwers placed and porous aggregate bed simultaneously, and porous aggregate bed is made up of the upper packing layer of high density polyethylene (HDPE) particle and the lower packing layer of light ceramic, therefore this Efficient biological deodorization equipment can not only promote the biomembranous speed of growth, shorten the biofilm development cycle, promote deodorizing capability, and can effectively prevent porous aggregate bed from blocking.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the Efficient biological deodorization equipment that Fig. 1 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection scope of the present invention.
Below the Efficient biological deodorization equipment that the embodiment of the present invention provides is described in detail.
As shown in Figure 1, a kind of Efficient biological deodorization equipment, it specifically can comprise the following steps: trickling filter 1, air blast 2, bacterium flow container 3 and the first water pump 41; The inside of trickling filter 1 is provided with cylindrical chamber; This cylindrical chamber is provided with demister 9, first spray thrower 71, first porous aggregate bed 61, second spray thrower 72, second porous aggregate bed 62 and gaseous diffuser 5 from top to bottom successively; The bottom of trickling filter 1 is provided with air inlet, and gaseous diffuser 5 is communicated with by the air blast 2 of this air inlet with trickling filter 1 outside; The bottom of trickling filter 1 is communicated with the inlet of the first water pump 41 with the inlet of bacterium flow container 3 respectively; The liquid outlet of bacterium flow container 3 is communicated with the inlet of the first water pump 41; The liquid outlet of the first water pump 41 is communicated with the inlet of the second spray thrower 72 with the inlet of the first spray thrower 71 respectively;
The foul smell of odor source enters gaseous diffuser 5 under the effect of air blast 2, and is diffused into the inside of trickling filter 1 by gaseous diffuser 5; Foul smell spreads from bottom to top in the inside of trickling filter 1, and is constantly cleaned, until discharge from the gas outlet being located at trickling filter 1 top;
Deodorizing bacterium liquid is provided with in bacterium flow container 3; This deodorizing bacterium liquid comprises following each raw material by weight ratio: the supernatant of the mixture of activated sludge and secondary matured waste 800 ~ 1300 parts, the nitrobacteria after acclimation: 35 ~ 65 parts, the sulfide-oxidizing enzyme after acclimation 40 ~ 60 parts.
Particularly, the specific implementation of each parts of this Efficient biological deodorization equipment can comprise:
(1) the first valve 81 can be provided with between the bottom of trickling filter 1 and the inlet of the first water pump 41; The second valve 82 can be provided with between the bottom of trickling filter 1 and the inlet of bacterium flow container 3.
When the first valve 81 is closed, when the second valve 82 is opened, the deodorizing bacterium liquid in bacterium flow container 3 enters the first spray thrower 71 and the second spray thrower 72 under the effect of the first water pump 41, and arrives the inside of trickling filter 1 by the first spray thrower 71 and the second spray thrower 72 spray; Deodorizing bacterium liquid can move downward gradually in the inside of trickling filter 1, and constantly purifies foul smell, until be collected at the bottom of trickling filter 1; The deodorizing bacterium liquid be collected at bottom trickling filter 1 can turn back to bacterium flow container 3 by the second valve 82, thus deodorizing bacterium liquid is circulated between trickling filter 1 and bacterium flow container 3.
When the first valve 81 is opened, when the second valve 82 is closed, the first water pump 41 obtains the deodorizing bacterium liquid be collected at bottom trickling filter 1 by the first valve 81; Deodorizing bacterium liquid enters the first spray thrower 71 and the second spray thrower 72 under the effect of the first water pump 41, and arrives the inside of trickling filter 1 by the first spray thrower 71 and the second spray thrower 72 spray; Deodorizing bacterium liquid can move downward gradually in the inside of trickling filter 1, and constantly purifies foul smell, until turn back to the bottom of trickling filter 1, thus makes the self-loopa on trickling filter 1 of deodorizing bacterium liquid.
Generally, this Efficient biological deodorization equipment adopts the method for operation of deodorizing bacterium liquid self-loopa on trickling filter 1, and namely the first valve 81 is opened, and the second valve 82 is closed; This method of operation can make deodorizing bacterium liquid have a circulation rate faster, improves odor removal efficient and processing load, has saved operating cost.When being located at the odor concentration of gas outlet institute Exhaust Gas at trickling filter 1 top lower than (when declining when the deodorizing capability of Efficient biological deodorization equipment) during primary standard in emission standard for odor pollutants (GB GB14554-93), the method of operation that this Efficient biological deodorization equipment adopts deodorizing bacterium liquid to circulate between trickling filter 1 and bacterium flow container 3, namely the first valve 81 is closed, and the second valve 82 is opened; Deodorizing bacterium liquid in bacterium flow container 3 can add in trickling filter 1 by this method of operation, thus improves deodorizing capability.These two kinds of methods of operation use as required, can save operating cost, can ensure that again this Efficient biological deodorization equipment has stronger deodorizing capability and odor removal efficient faster.
The second water pump 42 is provided with between (2) second valves 82 and the inlet of bacterium flow container 3; The deodorizing bacterium liquid be collected at bottom trickling filter 1 is sent in bacterium flow container 3 by the second water pump 42.Because the deodorizing bacterium liquid be collected at bottom trickling filter 1 is less, and the deodorizing bacterium liquid of bacterium flow container 3 is more, the pressure of bacterium flow container 3 is greater than the pressure of trickling filter 1, therefore need by the second water pump 42, the deodorizing bacterium liquid be collected at bottom trickling filter 1 to be sent in bacterium flow container 3, circulate between trickling filter 1 and bacterium flow container 3 to realize deodorizing bacterium liquid.
(3) first porous aggregate beds 61 and the second porous aggregate bed 62 are all preferably be made up of upper packing layer and lower packing layer; Upper packing layer is preferably made up of the high density polyethylene (HDPE) particle (High DensityPolyethylene, HDPE) of granularity at 23 ~ 27mm; Lower packing layer is made up of the light ceramic of granularity at 20 ~ 30mm.In actual applications, the high density polyethylene (HDPE) particle YP type biologic packing material that preferably adopts Beijing Tayyip International Water Co., Ltd to produce.The porosity of light ceramic is high, surface area under identical weight is very large, and the strand arrangement of high density polyethylene (HDPE) particle is regular, strand does not have side chain, and density is higher, there is good impact resistance and non-oxidizability, the foul smell corrosion that being not easily corroded property is higher, therefore more easily grow biomembrane by the above-mentioned porous aggregate bed that both are formed, and gas-liquid can be made more easily to contact, can also effectively prevent porous aggregate bed from blocking.
(4) deodorizing bacterium liquid can fall the first porous aggregate bed 61 after the first spray thrower 71 sprays, and part deodorizing bacterium liquid can grow biomembrane on the first porous aggregate bed 61, and part deodorizing bacterium liquid can continue to move downward; The deodorizing bacterium liquid continuing through the first porous aggregate bed 61 to move downward can fall the second porous aggregate bed 62 with the deodorizing bacterium liquid sprayed from the second spray thrower 72, part deodorizing bacterium liquid can grow biomembrane on the second porous aggregate bed 62, part deodorizing bacterium liquid can continue to move downward, until fall the bottom of trickling filter 1.About the two groups spray throwers placed add foul smell with porous aggregate bed and contact with biomembranous with deodorizing bacterium liquid, thus improve the deodorizing capability of this Efficient biological deodorization equipment.The outer rim of the first porous aggregate bed 61 and the interior contact of trickling filter 1, the interior contact of the second porous aggregate bed 62 and trickling filter 1, this can make foul smell have to pass through porous aggregate bed could to discharge from trickling filter 1, too increase foul smell to contact with biomembranous with deodorizing bacterium liquid, thus improve the deodorizing capability of this Efficient biological deodorization equipment.
(5) thickness of upper packing layer preferably trickling filter 1 inside cylindrical chamber height 1/5 ~ 1/8, the thickness of lower packing layer preferably trickling filter 1 inside cylindrical chamber height 1/5 ~ 1/8, this both can enable foul smell fully contact with biomembrane with deodorizing bacterium liquid, can ensure that again gas passes through the speed of the first porous aggregate bed 61 and the second porous aggregate bed 62, therefore can not only improve the deodorizing capability of this Efficient biological deodorization equipment, can also ensure that this Efficient biological deodorization equipment has odor removal efficient faster.
(6) cylindrical chamber of trickling filter 1 inside is circular cylindrical cavity, and its basal diameter is between 0.5 ~ 5m; This can enable foul smell have wider flow section in the inside of trickling filter 1, improves the speed that foul smell rises to top, thus makes this Efficient biological deodorization equipment have odor removal efficient faster.
(7) first spray throwers 71 and the second spray thrower 72 all adopt impact type spray thrower, and its spray radius can be 0.5 ~ 3m, and in actual applications, spray radius can adjust according to the cross section size of the cylindrical chamber of trickling filter 1 inside.This can enable deodorizing bacterium liquid be sprayed onto the first porous aggregate bed 61 and the second porous aggregate bed 62 more equably, thus biofilm development speed can be avoided inconsistent and cause the through hole of porous aggregate bed to block, biomembrane also can be made to have a growth cycle faster.
(8) demister 9 preferably adopts baffle type mist eliminator; This demister of the prior art not only structure simple, take up space little, and effectively can remove the droplet of more than 50 μm, therefore, it is possible to prevent deodorizing bacterium liquid to be discharged in air with gas, save operating cost.
(9) gaseous diffuser 5 preferably adopts tubaeform expansion mouth, and this can make foul smell be uniformly dispersed, and the gas rate of climb is consistent on the first porous aggregate bed 61 and the second porous aggregate bed 62.
(10) activated sludge preferably adopts following steps to be prepared from the supernatant of the mixture of secondary matured waste: mixed with the ratio of secondary matured waste according to weight ratio 1:1 ~ 1:10 by the activated sludge under aerobic condition, and aeration after 1 ~ 5 hour static 30 minutes, by the supernatant of the supernatant liquor in this mixture as the mixture of activated sludge and secondary matured waste.
(11) nitrifier after acclimation preferably adopts following steps to be prepared from:
Step c1, chooses secondary matured waste, and accesses in sulfide-oxidizing enzyme enriched medium, carries out shaking table cultivate 1 ~ 3 day at 28 ~ 38 DEG C with the rotating speed of 120 ~ 180r/min, obtained sulfide-oxidizing enzyme pregnant solution.
Wherein, sulfide-oxidizing enzyme enriched medium comprises following each raw material by weight ratio: hydrosulphuric acid 10 ~ 20 parts, dipotassium hydrogen phosphate 0.5 ~ 3 part, 0.5 ~ 2 part, calcium chloride, ammonium chloride 1 ~ 5 part, 1 ~ 2 part, magnesium chloride and 1000 parts, water.
Step c2, by sulfide-oxidizing enzyme pregnant solution access sulfide-oxidizing enzyme isolation and purification culture base, and cultivates 3 ~ 6 days, obtained sulfide-oxidizing enzyme refined solution at 28 ~ 38 DEG C.
Wherein, the volume ratio of sulfide-oxidizing enzyme pregnant solution and sulfide-oxidizing enzyme isolation and purification culture base is preferably 1 ~ 3%; Sulfide-oxidizing enzyme isolation and purification culture base comprises following each raw material by weight ratio: 5 ~ 15 parts, sulphur powder, dipotassium hydrogen phosphate 0.5 ~ 3 part, 1 ~ 3 part, calcium chloride, ammonium chloride 1 ~ 5 part, 1 ~ 3 part, magnesium chloride and 1000 parts, water.
Step c3, by sulfide-oxidizing enzyme refined solution access sulfide-oxidizing enzyme screening and culturing base, and cultivates 7 ~ 15 days, the sulfide-oxidizing enzyme namely after obtained acclimation at 28 ~ 38 DEG C.
Wherein, the volume ratio of sulfide-oxidizing enzyme refined solution and sulfide-oxidizing enzyme screening and culturing base is preferably 1 ~ 3%; Sulfide-oxidizing enzyme screening and culturing base comprises following each raw material by weight ratio: 5 ~ 15 parts, sodium thiosulfate, dipotassium hydrogen phosphate 0.1 ~ 1 part, 0.1 ~ 0.5 part, calcium chloride, ammonium chloride 1 ~ 5 part, 0.1 ~ 1 part, magnesium chloride and 1000 parts, water.
(12) nitrobacteria after acclimation is preferably mixed according to the part by weight of 1:1 ~ 10:1 by the nitrifier after acclimation and the nitrococcus after acclimation.
1. the nitrifier after acclimation preferably adopts following steps to be prepared from:
Step a1, chooses the activated sludge under aerobic condition, and accesses in nitrifying bacteria enrichment culture medium, carries out shaking table cultivate 3 ~ 7 days at 28 ~ 38 DEG C with the rotating speed of 120 ~ 180r/min, obtained nitrifying bacteria enrichment liquid.
Wherein, nitrifying bacteria enrichment culture medium comprises following each raw material by weight ratio: 0.5 ~ 5 part, ammonium sulfate, 0.1 ~ 1 part, magnesium sulfate, 0.1 ~ 3 part, sodium chloride, dipotassium hydrogen phosphate 0.1 ~ 6 part, 0.05 ~ 0.5 part, ferrous sulfate, 0.5 ~ 5 part, calcium carbonate and 1000 parts, water.Activated sludge under this aerobic condition preferably adopts the activated sludge in the Aerobic Pond of sewage treatment plant, and its benefit is above discussed, and repeats no more herein; Activated sludge is accessed nitrifying bacteria enrichment culture medium and can adopt conventional cut-in method of the prior art, because it belongs to prior art, therefore repeat no more herein.
Step a2, by nitrifying bacteria enrichment liquid access nitrifier isolation and purification culture base, and cultivates 7 ~ 15 days, obtained nitrifier refined solution at 28 ~ 38 DEG C.
Wherein, the volume ratio of nitrifying bacteria enrichment liquid and nitrifier isolation and purification culture base is preferably 1 ~ 3%; Described nitrifier isolation and purification culture base preferably includes following each raw material by weight ratio: 0.5 ~ 5 part, ammonium sulfate, 0.1 ~ 1 part, magnesium sulfate, 0.1 ~ 3 part, sodium chloride, dipotassium hydrogen phosphate 0.1 ~ 6 part, 0.05 ~ 0.5 part, ferrous sulfate, calcium bicarbonate 0.5 ~ 5 part, 0.05 ~ 5 part, calcium chloride and 1000 parts, water.Nitrifying bacteria enrichment liquid access nitrifier isolation and purification culture base can be adopted conventional cut-in method of the prior art, because it belongs to prior art, therefore repeat no more herein.
Step a3, by nitrifier refined solution access nitrifier screening and culturing base, and cultivates 7 ~ 15 days, the nitrifier namely after obtained acclimation at 28 ~ 38 DEG C;
Wherein, the volume ratio of nitrifier refined solution and nitrifier screening and culturing base is preferably 1 ~ 3%; Nitrifier screening and culturing base comprises following each raw material by weight ratio: 0.1 ~ 3 part, ammonium sulfate, 0.1 ~ 1 part, magnesium sulfate, 0.1 ~ 2 part, sodium chloride, dipotassium hydrogen phosphate 0.1 ~ 3 part, 0.05 ~ 0.4 part, ferrous sulfate, calcium bicarbonate 0.5 ~ 2 part, 0.05 ~ 3 part, calcium chloride, diphenylamines 0.1 ~ 3 part, the concentrated sulfuric acid 50 ~ 150 parts and 1000 parts, water.Nitrifier refined solution access nitrifier screening and culturing base can be adopted conventional cut-in method of the prior art, because it belongs to prior art, therefore repeat no more herein.
2. the nitrococcus after acclimation preferably adopts following steps to be prepared from:
Step b1, chooses the activated sludge under aerobic condition, and accesses in nitrococcus enriched medium, carries out shaking table cultivate 3 ~ 7 days at 28 ~ 38 DEG C with the rotating speed of 120 ~ 180r/min, obtained nitrococcus pregnant solution.
Wherein, nitrococcus enriched medium comprises following each raw material by weight ratio: 0.1 ~ 5 part, ammonium sulfate, 0.1 ~ 2 part, magnesium sulfate, 0.1 ~ 4 part, sodium chloride, dipotassium hydrogen phosphate 0.1 ~ 6 part, 0.05 ~ 0.6 part, ferrous sulfate, 0.1 ~ 5 part, calcium carbonate and 1000 parts, water.Activated sludge under this aerobic condition preferably adopts the activated sludge in the Aerobic Pond of sewage treatment plant, and its benefit is above discussed, and repeats no more herein; Activated sludge is accessed nitrococcus enriched medium and can adopt conventional cut-in method of the prior art, because it belongs to prior art, therefore repeat no more herein.
Step b2, by nitrococcus pregnant solution access nitrococcus isolation and purification culture base, and cultivates 7 ~ 15 days, obtained nitrococcus refined solution at 28 ~ 38 DEG C.
Wherein, the volume ratio of nitrococcus pregnant solution and nitrococcus isolation and purification culture base is preferably 1 ~ 3%; Institute's nitrococcus isolation and purification culture base comprises following each raw material by weight ratio: 0.5 ~ 5 part, ammonium sulfate, 0.1 ~ 1 part, magnesium sulfate, 0.1 ~ 3 part, sodium chloride, dipotassium hydrogen phosphate 0.1 ~ 5 part, 0.05 ~ 0.4 part, ferrous sulfate, 0.1 ~ 5 part, calcium carbonate and 1000 parts, water.Nitrococcus pregnant solution access nitrococcus isolation and purification culture base can be adopted conventional cut-in method of the prior art, because it belongs to prior art, therefore repeat no more herein.
Step b3, by nitrococcus refined solution access nitrococcus screening and culturing base, and cultivates 7 ~ 15 days, the nitrococcus namely after obtained acclimation at 28 ~ 38 DEG C.
Wherein, the volume ratio of nitrococcus refined solution and nitrococcus screening and culturing base is preferably 1 ~ 3%; Nitrococcus screening and culturing base comprises following each raw material by weight ratio: 0.1 ~ 2 part, ammonium sulfate, 0.1 ~ 1.5 part, magnesium sulfate, 0.1 ~ 2 part, sodium chloride, dipotassium hydrogen phosphate 0.1 ~ 3 part, 0.05 ~ 0.5 part, ferrous sulfate, calcium bicarbonate 0.5 ~ 2 part, 0.05 ~ 2 part, calcium chloride, sulfanilic acid 0.1 ~ 2 part, acetic acid 5 ~ 50 parts, phenol 0.1 ~ 2 part and 1000 parts, water.Nitrococcus refined solution access nitrococcus screening and culturing base can be adopted conventional cut-in method of the prior art, because it belongs to prior art, therefore repeat no more herein.
Further, the foul gas of different places, its constituent is different, therefore also needs different types of microorganism to decompose foul gas.The deodorizing bacterium liquid used in the present invention extracts nitrobacteria from the activated sludge of sewage treatment plant, and carry out expansion breeding, because these nitrobacterias experienced by long-term naturally taming in the activated sludge of sewage treatment plant, therefore these nitrobacterias have become the dominant strain adapting to foul smell environment in sewage treatment plant, can breed by rapid, high volume in this environment, and in its growth and breeding process, a large amount of foul smell in sewage treatment plant can be changed into self nutrient or innocuous substance.Simultaneously, deodorizing bacterium liquid used in the present invention extracts sulfide-oxidizing enzyme from the secondary matured waste of garbage compost field, and carry out expansion breeding, because these sulfide-oxidizing enzyme experienced by long-term naturally taming in the secondary matured waste of garbage compost field, therefore these sulfide-oxidizing enzyme have become the dominant strain adapting to foul smell environment in garbage compost field, can breed by rapid, high volume in this environment, and in its growth and breeding process, a large amount of foul smell in garbage compost field can be changed into self nutrient or innocuous substance.The nitrobacteria that above-mentioned expansion is bred by the deodorizing bacterium liquid used in the present invention mixes with the sulfide-oxidizing enzyme that above-mentioned expansion is bred, and using the carbon source of the supernatant of the mixture of activated sludge and secondary matured waste as nitrobacteria and sulfide-oxidizing enzyme, facilitate the growth and breeding of nitrobacteria and sulfide-oxidizing enzyme, therefore this deodorizing bacterium liquid efficiently can remove the foul smell in sewage treatment plant and garbage disposal plant rapidly.Visible, the Efficient biological deodorization equipment that the embodiment of the present invention provides is very suitable for the foul smell removing sewage treatment plant and garbage disposal plant.
As can be seen from technique scheme, the embodiment of the present invention can not only promote the biomembranous speed of growth, shortens the biofilm development cycle, promote deodorizing capability, and can effectively prevent porous aggregate bed from blocking.
For making goal of the invention of the present invention, technical scheme and beneficial effect clearly, below by one group of embodiment, and the invention will be further described in conjunction with respective drawings, but following embodiment is not construed as limiting the invention.
Embodiment one
A kind of Efficient biological deodorization equipment, have employed the technical scheme that the invention described above provides, its special character is: the height of trickling filter 1 is 8m; The cylindrical chamber of trickling filter 1 inside is circular cylindrical cavity, and its basal diameter is 4m; The upper packing layer of the first porous aggregate bed 61 and the thickness of lower packing layer are 1m; The upper packing layer of the second porous aggregate bed 62 and the thickness of lower packing layer are 1m; The volume of bacterium flow container 3 is 2m
3.
Utilize the embodiment of the present invention the foul smell of Efficient biological deodorization equipment process sewage treatment plants is provided.First, the first water pump 41 is made to be in off-duty state (namely foul smell does not carry out the inside of trickling filter 1), close the first valve 81, open the second valve 82, deodorizing bacterium liquid is circulated 24 hours between bacterium flow container 3 and trickling filter 1, this can make deodorizing bacterium liquid fully be attached to the first porous aggregate bed 61 and the second porous aggregate bed 62, and can make the first porous aggregate bed 61 and the second porous aggregate bed 62 all form complete biomembrane.After deodorizing bacterium liquid circulates 24 hours between bacterium flow container 3 and trickling filter 1, open the first valve 81, close the second valve 82, make the self-loopa on trickling filter 1 of deodorizing bacterium liquid, and control the first water pump 41 and enter running status; First water pump 41 between the centrifugal machine room of sewage treatment plants, press filtration machine room, UASB pond, air supporting, between sludge condensation, UASB regulating reservoir, UASB sedimentation basin, comprehensive adjustment pond, hydrolysis acidification pool, mud stacks the places such as field and collects foul smell, and send into bacterium flow container 3; Foul smell, after the purification of bacterium flow container 3, is discharged by the exhaust outlet at trickling filter 1 top.
When Efficient biological deodorization equipment that the embodiment of the present invention provides is after sewage treatment plants runs 15 days, the gas extracting the air inlet of trickling filter 1 bottom and the exhaust outlet at trickling filter 1 top respectively detects; The testing result at the air inlet place of trickling filter 1 bottom is as follows: ammonia index is detected as 5.8mg/m by GB GB/T14679
3, hydrogen sulfide index is detected as 1.5mg/m by GB GB/T14676
3, odor concentration index is detected as 1000 by GB GB/T14675; The testing result of the exhaust ports at trickling filter 1 top is as follows: ammonia index is detected as 0.8mg/m by GB GB/T14679
3, hydrogen sulfide index is detected as 0.03mg/m by GB GB/T14676
3, odor concentration index is detected as 10 by GB GB/T14675; As can be seen here, provide after Efficient biological deodorization equipment process through the embodiment of the present invention, the indices of this sewage treatment plants all reaches the primary standard in emission standard for odor pollutants (GB GB14554-93).
Embodiment two
A kind of Efficient biological deodorization equipment, have employed the technical scheme that the invention described above provides, its special character is: the height of trickling filter 1 is 18m; The cylindrical chamber of trickling filter 1 inside is circular cylindrical cavity, and its basal diameter is 4m; The upper packing layer of the first porous aggregate bed 61 and the thickness of lower packing layer are 3m; The upper packing layer of the second porous aggregate bed 62 and the thickness of lower packing layer are 3m; The volume of bacterium flow container 3 is 26m
3.
Utilize the embodiment of the present invention the foul smell of Efficient biological deodorization equipment disposal of refuse Treatment stations is provided.First, the first water pump 41 is made to be in off-duty state (namely foul smell does not carry out the inside of trickling filter 1), close the first valve 81, open the second valve 82, deodorizing bacterium liquid is circulated 24 hours between bacterium flow container 3 and trickling filter 1, this can make deodorizing bacterium liquid fully be attached to the first porous aggregate bed 61 and the second porous aggregate bed 62, and can make the first porous aggregate bed 61 and the second porous aggregate bed 62 all form complete biomembrane.After deodorizing bacterium liquid circulates 24 hours between bacterium flow container 3 and trickling filter 1, open the first valve 81, close the second valve 82, make the self-loopa on trickling filter 1 of deodorizing bacterium liquid, and control the first water pump 41 and enter running status; First water pump 41 from the pre-treatment workshop in garbage disposal plant, primary fermentation workshop, secondary fermentation workshop, after places such as workshop of becoming thoroughly decomposed collect foul smell, and send into bacterium flow container 3; Foul smell, after the purification of bacterium flow container 3, is discharged by the exhaust outlet at trickling filter 1 top.
When Efficient biological deodorization equipment that the embodiment of the present invention provides is after garbage disposal plant factory runs 15 days, the gas extracting the air inlet of trickling filter 1 bottom and the exhaust outlet at trickling filter 1 top respectively detects; The testing result at the air inlet place of trickling filter 1 bottom is as follows: ammonia index is detected as 13.7mg/m by GB GB/T14679
3, hydrogen sulfide index is detected as 1.5mg/m by GB GB/T14676
3, odor concentration index is detected as 2000 by GB GB/T14675; The testing result of the exhaust ports at trickling filter 1 top is as follows: ammonia index is detected as 1mg/m by GB GB/T14679
3, hydrogen sulfide index is detected as 0.03mg/m by GB GB/T14676
3, odor concentration index is detected as 10 by GB GB/T14675; As can be seen here, provide after Efficient biological deodorization equipment process through the embodiment of the present invention, the indices in this garbage disposal plant all reaches the primary standard in emission standard for odor pollutants (GB GB14554-93).
As fully visible, the embodiment of the present invention provide the deodorizing rate of Efficient biological deodorization equipment more than 90%, and can not secondary pollution be caused.The embodiment of the present invention can not only promote the biomembranous speed of growth, shortens the biofilm development cycle, promote deodorizing capability, and can effectively prevent porous aggregate bed from blocking.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (9)
1. an Efficient biological deodorization equipment, is characterized in that, comprising: trickling filter (1), air blast (2), bacterium flow container (3) and the first water pump (41);
The inside of trickling filter (1) is provided with cylindrical chamber; This cylindrical chamber is provided with demister (9), the first spray thrower (71), the first porous aggregate bed (61), the second spray thrower (72), the second porous aggregate bed (62) and gaseous diffuser (5) from top to bottom successively; Gaseous diffuser (5) is communicated with the air blast (2) of trickling filter (1) outside;
The bottom of trickling filter (1) is communicated with the inlet of the first water pump (41) with the inlet of bacterium flow container (3) respectively; The liquid outlet of bacterium flow container (3) is communicated with the inlet of the first water pump (41); The liquid outlet of the first water pump (41) is communicated with the inlet of the second spray thrower (72) with the inlet of the first spray thrower (71) respectively;
The foul smell of odor source enters gaseous diffuser (5) under the effect of air blast (2), and is diffused into the inside of trickling filter (1) by gaseous diffuser (5); Foul smell spreads from bottom to top in the inside of trickling filter (1), and is constantly cleaned, until discharge from the gas outlet being located at trickling filter (1) top;
Deodorizing bacterium liquid is provided with in bacterium flow container (3); This deodorizing bacterium liquid comprises following each raw material by weight ratio: the supernatant of the mixture of activated sludge and secondary matured waste 800 ~ 1300 parts, the nitrobacteria after acclimation: 35 ~ 65 parts, the sulfide-oxidizing enzyme after acclimation 40 ~ 60 parts;
The first described porous aggregate bed (61) and the second porous aggregate bed (62) are all be made up of upper packing layer and lower packing layer; Upper packing layer is made up of the high density polyethylene (HDPE) particle of granularity at 23 ~ 27mm; Lower packing layer is made up of the light ceramic of granularity at 20 ~ 30mm.
2. Efficient biological deodorization equipment according to claim 1, is characterized in that, is provided with the first valve (81) between the bottom of trickling filter (1) and the inlet of the first water pump (41); The second valve (82) is provided with between the bottom of trickling filter (1) and the inlet of bacterium flow container (3);
When the first valve (81) is closed, when second valve (82) is opened, deodorizing bacterium liquid in bacterium flow container (3) enters the first spray thrower (71) and the second spray thrower (72) under the effect of the first water pump (41), and arrives the inside of trickling filter (1) by the first spray thrower (71) and the second spray thrower (72) spray; Deodorizing bacterium liquid can move downward gradually in the inside of trickling filter (1), and constantly purifies foul smell, until be collected at the bottom of trickling filter (1); The deodorizing bacterium liquid being collected at trickling filter (1) bottom can turn back to bacterium flow container (3) by the second valve (82), thus deodorizing bacterium liquid is circulated between trickling filter (1) and bacterium flow container (3);
When the first valve (81) is opened, when the second valve (82) is closed, the first water pump (41) obtains the deodorizing bacterium liquid being collected at trickling filter (1) bottom by the first valve (81); Deodorizing bacterium liquid enters the first spray thrower (71) and the second spray thrower (72) under the effect of the first water pump (41), and arrives the inside of trickling filter (1) by the first spray thrower (71) and the second spray thrower (72) spray; Deodorizing bacterium liquid can move downward gradually in the inside of trickling filter (1), and constantly purifies foul smell, until turn back to the bottom of trickling filter (1), thus makes deodorizing bacterium liquid in the upper self-loopa of trickling filter (1).
3. Efficient biological deodorization equipment according to claim 2, is characterized in that, is provided with the second water pump (42) between the inlet of the second valve (82) and bacterium flow container (3); The deodorizing bacterium liquid being collected at trickling filter (1) bottom is sent in bacterium flow container (3) by the second water pump (42).
4. Efficient biological deodorization equipment according to any one of claim 1 to 3, is characterized in that, the thickness of described upper packing layer is 1/5 ~ 1/8 of the cylindrical chamber height of trickling filter (1) inside; The thickness of described lower packing layer is 1/5 ~ 1/8 of the cylindrical chamber height of trickling filter (1) inside.
5. Efficient biological deodorization equipment according to any one of claim 1 to 3, is characterized in that, the outer rim of the first porous aggregate bed (61) and the interior contact of trickling filter (1); The interior contact of the second porous aggregate bed (62) and trickling filter (1).
6. Efficient biological deodorization equipment according to any one of claim 1 to 3, is characterized in that, the cylindrical chamber of trickling filter (1) inside is circular cylindrical cavity, and its basal diameter is between 0.5 ~ 5m.
7. Efficient biological deodorization equipment according to any one of claim 1 to 3, is characterized in that, described the first spray thrower (71) and the second spray thrower (72) all adopt impact type spray thrower, and its spray radius is 0.5 ~ 3m.
8. Efficient biological deodorization equipment according to any one of claim 1 to 3, is characterized in that, described demister (9) adopts baffle type mist eliminator.
9. Efficient biological deodorization equipment according to any one of claim 1 to 3, it is characterized in that, activated sludge adopts following steps to be prepared from the supernatant of the mixture of secondary matured waste: mixed with the ratio of secondary matured waste according to weight ratio 1:1 ~ 1:10 by the activated sludge under aerobic condition, and aeration after 1 ~ 5 hour static 30 minutes, by the supernatant of the supernatant liquor in this mixture as the mixture of activated sludge and secondary matured waste.
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| CN108467289A (en) * | 2018-05-22 | 2018-08-31 | 吉林省畜牧兽医科学研究院 | Biodegradable purification system and animals died of illness corpse produce organic fertilizer method |
| CN108751395A (en) * | 2018-06-01 | 2018-11-06 | 北京工业大学 | The method of the vulcanisation hydrogen of two-stage and volatile organic matter coupling aerobic denitrification advanced nitrogen |
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| CN109316948A (en) * | 2018-08-31 | 2019-02-12 | 中国石油化工股份有限公司 | A kind of processing unit of the volatile organic gases of small molecule containing sludge |
| CN113813776B (en) * | 2021-09-28 | 2022-07-15 | 中国城市建设研究院有限公司 | High-concentration odor treatment process |
| CN113750755A (en) * | 2021-09-29 | 2021-12-07 | 重庆林德科技发展有限公司 | Deodorization system of garbage transfer station |
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| CN202844876U (en) * | 2012-08-23 | 2013-04-03 | 江苏碧程环保设备有限公司 | Novel high-efficiency biological deodorization purifier |
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