CN102614774A - Biological treatment system of sludge odor and method for treating sludge odor by utilizing same - Google Patents
Biological treatment system of sludge odor and method for treating sludge odor by utilizing same Download PDFInfo
- Publication number
- CN102614774A CN102614774A CN2012100996121A CN201210099612A CN102614774A CN 102614774 A CN102614774 A CN 102614774A CN 2012100996121 A CN2012100996121 A CN 2012100996121A CN 201210099612 A CN201210099612 A CN 201210099612A CN 102614774 A CN102614774 A CN 102614774A
- Authority
- CN
- China
- Prior art keywords
- foul smell
- biological
- treatment system
- mud
- filler
- 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.)
- Pending
Links
Images
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses a biological treatment system of sludge odor and a method for treating the sludge odor by utilizing the same, relating to the field of solid waste treatment. The biological treatment system of the sludge odor comprises an odor collector, an odor fan, an intake pipe, a biological deodorization tower, an outlet pipe, an active carbon adsorption device, a gas monitor and a discharge pipe. The method for treating the sludge odor by utilizing the biological treatment system comprises the following steps of: (1) injecting a bacterial solution enriched with thiobacillus denitrificans and nitrobacteria, acclimatizing for three weeks to finish starting; and (2) charging odor into the biological treatment system for treating through the odor fan. According to the biological treatment system of the sludge odor and the method for treating the sludge odor by utilizing the same, disclosed by the invention, main components of the sludge odor are removed by utilizing thiobacillus denitrificans and nitrobacteria, soft-hard bilayer fillers are adopted and active carbon is adopted for the following adsorption, thus the treatment effect is ensured; in addition, the biological treatment system of the sludge odor and the method for treating the sludge odor by utilizing the same, disclosed by the invention, have the advantages of low energy consumption and operation cost, and high safety and reliability, and is suitable for odor treatment of a large/middle sludge treatment project.
Description
Technical field
The present invention relates to the solid waste process field.
Background technology
Along with the social development quickening of urbanization process, the increase of sewage treatment plant's construction, the output of mud also increases sharply.The processing of mud has become focus point new in the comprehensive environmental improvement with disposal.Because mud gives an offensive smell, and in the process of Treatment of Sludge and disposal, surrounding environment and operating personnel is produced harmful effect, so will carry out collection and treatment to the foul smell that mud produces.The main component of mud foul smell has inorganic matters such as hydrogen sulfide, ammonia and methyl mercaptan, methylamine, methyl sulphur etc., and is the highest with hydrogen sulfide and ammonia concentration in the composition.
The comparison morning that deodorization technology develops abroad, the field of application is also very wide, and development time is not long at home, and receives the restriction of each side, like technology, and industry, even comprise price or the like factor.
The deodorization process method can be divided into and absorbs absorption method and two kinds of firing methods, and the absorption absorption method is divided into two kinds of absorption process and absorption methods again, and absorption process is mainly chemical method and bioanalysis, and absorption method is mainly activated carbon filter process.Firing method and activated carbon filter process operating cost are too high, seldom adopt in sewage treatment plant deodorizing field, and adopting more general method at present is chemical method and bioanalysis.The biological deodorizing method mainly contains activated sludge process, biological soil method, biological washing method, bio-trickling method and biofiltration process etc.But, also do not have a kind of special foul smell that produces in the sludge handling process that is directed against to carry out Treatment Technology and device at present.
Summary of the invention
The purpose of this invention is to provide a kind of biological treatment system of mud foul smell and utilize it to handle the method for mud foul smell.
The biological treatment system of mud foul smell of the present invention comprises foul smell gathering-device, foul smell blower fan, air inlet pipe, biological deodorizing tower, outlet, absorbent charcoal adsorber, gas monitor and delivery pipe; Wherein the foul smell gathering-device links to each other with the biological deodorizing tower through air inlet pipe, and air inlet pipe is provided with the foul smell blower fan; The biological deodorizing tower links to each other with the inlet of absorbent charcoal adsorber through outlet, and delivery pipe is arranged in the outlet of absorbent charcoal adsorber, and gas monitor is arranged on the outlet.
Said biological deodorizing tower is provided with foul smell outlet, heat-insulation layer, heating tube, carrier pipe, nozzle, hard filler, temperature probe, support, soft filler, ventilative dividing plate, foul smell import, nutrient solution section, floss hole; Wherein the tower wall of biological deodorizing tower is provided with heat-insulation layer, is provided with heating tube at the middle part of heat-insulation layer; Cat head is provided with the foul smell outlet, and the foul smell outlet is provided with ball valve; Soft filler is arranged on the ventilative dividing plate, and hard filler is arranged on soft filler top, between hard filler and the soft filler support is set; The tower wall that one end of carrier pipe passes the biological deodorizing tower is communicated with the nutrient solution section of bottom; The tower wall that the other end passes the biological deodorizing tower is arranged at the top of hard filler; The carrier pipe of hard filler top is provided with a plurality of nozzles; Reflux pump is arranged on the carrier pipe, and the bottom nutrient solution is transported to top through carrier pipe; Be provided with the import of mud foul smell between nutrient solution section and the ventilative dividing plate; The bottom of biological deodorizing tower is provided with floss hole, and floss hole is provided with ball valve.
Utilize the method for the biological treatment system processing mud foul smell of mud foul smell to carry out according to the following steps:
One, the enrichment bacterium liquid injection of 10L thiobacillus denitrificans and nitrobacteria is equipped with in the biological deodorizing tower of filler; Discharge bacterium liquid after leaving standstill 8h,, and spray the extension film through air blast pump continuous aerating oxygen in the biological deodorizing tower; Aeration was cultivated after 1 day; Begin to feed the mud foul smell, nutrient solution was changed once in 5 days, and the maintenance air inflow is 20～40m
3/ min, spray flux is 1.25m
3/ h tamed for 3 weeks, accomplished to start;
Two, by the foul smell gathering-device foul smell that each link of sludge handling process produces is collected together; Sending into the biological deodorizing tower by the foul smell blower fan carries out a biological disposal upon; Gas is through after the absorbent charcoal adsorber purified treatment, and through discharged, the air inflow of gas is 20～40m
3/ min, gas is 100s at dwell time in the tower, the nutrient solution spray flux is 1.25m
3/ h.
Among the present invention, the foul smell gathering-device in order to collect the foul smell that produces in the sludge treating system, guarantees that surrounding environment and operating personnel are unaffected, and the outlet of foul smell gathering-device links to each other with the foul smell blower fan;
The foul smell blower fan is carried the device that produces foul smell in the sludge handling process;
Ball valve, the device of control foul smell and nutrient solution discharging;
Wire mesh demister stops the air-flow that rises to bring the mist that produces into the foul smell outlet;
Heat-insulation layer, temperature probe, in establish heating tube, control the inner-tower filling material temperature jointly;
Hard polyurethane foams filler and flexible polyurethane foams filler, filling surface and internal voids thereof are rich in biomembrane, and microorganism can be closely knit above that and propagation rapidly, thereby suitable place is provided for the existence of microorganism; It is two-layer in addition filler to be divided into soft or hard, can prevent filler distortion, for the existence of microorganism provides suitable place;
Support is arranged between the two-layer filler, prevents the filler distortion;
Floss hole is arranged on biological deodorizing tower below, discharges the nutrition waste liquid;
The upper end of carrier pipe of band reflux pump is passed the deodorizing tower wall and is connected with nozzle, and its lower end is passed the deodorizing tower wall and submerged in the nutrient solution of bottom the backflow nutrient solution; Nozzle is sprinkled upon backflow nutrient solution spray on the filler;
The biological deodorizing tower comprises the nutrient solution reflux, is specially reflux pump, return duct and shower nozzle.Hydrogen sulfide in the mud foul smell and ammonia are solution soluble in water, and therefore refluxing by nutrient solution sprays, and can absorb hydrogen sulfide and ammonia in the foul smell better, for the microorganism on the filler provides better contact environment;
Detector can be monitored operation conditions, treatment effect in real time;
Absorbent charcoal adsorber absorbs the clean foul smell that is untreated, and ensures treatment effect;
Floss hole, the foul smell after the emission treatment.
The present invention utilizes the biological treatment system of mud foul smell to handle the method for mud foul smell, and the foul smell that produces in the sludge handling process is collected by the foul smell gathering-device, is transported in the biological deodorizing tower through blower fan and carries out a biological disposal upon.Gases such as main component hydrogen sulfide, ammonia are dissolved in the nutrient solution spray liquid of backflow in the foul smell, after the absorption degraded of thiobacillus denitrificans that loads on double-deck filler and nitrobacteria, are disposed to absorbent charcoal adsorber.Gas after the absorbent charcoal adsorber purified treatment passes through discharged.
Microorganism on the biological deodorizing tower packing is thiobacillus denitrificans and nitrobacteria, and these two kinds of bacteriums are a symbiosis system.Under aerobic or anaerobic condition, thiobacillus denitrificans utilizes oxygen or nitrate as the electron acceptor H that can degrade
2S, nitrate
Under the nitrobacteria effect, can from the nitrification of ammonia, obtain.Thiobacillus denitrificans can be simultaneously with H
2S is oxidized to elemental sulfur or sulfate and is nitrogen with nitrate reduction.The syntaxial system that thiobacillus denitrificans and nitrobacteria are formed can effectively be degraded to hydrogen sulfide and ammonia simultaneously;
Filler adopts the two-layer filler of soft or hard to adopt the polyurethane foam filler, and filling surface and internal voids thereof are rich in biomembrane.The polyurethane foam specific area is big, and porosity is high, has network structure, and microorganism can be closely knit above that and propagation rapidly.It is two-layer in addition filler to be divided into soft or hard, is soft filler below, is hard filler above, can prevent filler distortion, for the existence of microorganism provides suitable place.Soft filler and hard filler are separated through support, and both thickness ratios are 2: 1;
The charcoal absorption of biological treatment following adopted had both guaranteed treatment effect, had prolonged the regeneration of activated carbon time again; Adopt nutrient solution backflow spraying method can more effectively absorb hydrogen sulfide and ammonia in the mud foul smell, for the microorganism on the filler provides better degraded environment; System is provided with temperature temperature probe, the accurate appearance of nutrient solution PH, gas-detecting device, can monitor operation conditions, treatment effect in real time; Between nozzle and outlet, wire mesh demister is set, the air-flow that this wire mesh demister can be avoided rising is effectively brought the mist that produces into foul smell gas outlet.
The invention has the beneficial effects as follows:
1, is thiobacillus denitrificans and nitrobacteria syntaxial system in the micropopulation in the biological deodorizing tower, can removes main component hydrogen sulfide and the ammonia in the mud foul smell effectively simultaneously, and can reclaim elemental sulfur;
2, this biological deodorizing tower adopts the double-deck filler of soft or hard.Soft packing and hard packing are the fillers of extensive use in the sewage disposal, and using it in processing of decontamination mud foul smell is an innovative point of the present invention.Two kinds of fillers of soft or hard place same reactor; Waste gas is through material, specific area, roughness, intensity, density, double bed deodorizing tower that the distribute water and air performance is different; The degree of each component of soft or hard filling adsorption waste gas is different, and each component translational speed is different, forms velocity gradient; Change the hydraulic characteristic(s) of flowing phase, have to be used in the treatment effeciency that improves the mud foul smell.
3, the charcoal absorption of biological treatment following adopted had both guaranteed treatment effect, prolonged the regeneration of activated carbon time again, thereby it was low to have energy consumption, and operating cost is low, safe and reliable advantage;
4, adopt nutrient solution backflow spraying method can absorb hydrogen sulfide and ammonia in the mud foul smell better, for the microorganism on the filler provides better contact environment; Gas-liquid adopts counter-current operation, and the mud foul smell is got into by the deodorizing tower bottom, and by the absorption of the microorganism on the filler, degraded, purified gas is discharged by the gas outlet, top.The intermittent shower nutrient solution at the top of packed tower adopts nutrient solution backflow spraying method can more effectively absorb gas such as hydrogen sulfide and ammonia in the mud foul smell, simultaneously for microorganism provides growth required moisture and nutriment, and washes away biological metabolite.
5, system is provided with temperature temperature probe, the accurate appearance of nutrient solution pH, gas-detecting device, can monitor operation conditions, treatment effect in real time.
The present invention is used for the foul smell of big-and-middle-sized Treatment of Sludge project and handles.
Description of drawings
Fig. 1 is the structural representation of the biological treatment system of mud foul smell of the present invention, and wherein 1 is foul smell gathering-device, the 2nd, foul smell blower fan, the 3rd, ball valve, the 4th, wire mesh demister, the 5th, heat-insulation layer, the 6th, nozzle, the 7th, temperature probe, the 8th, hard filler, the 9th, heating tube, the 10th, support, the 11st, soft filler, the 12nd, ventilative dividing plate, the 13rd, floss hole, the 14th, carrier pipe, the 15th, reflux pump, the 16th, gas monitor, the 17th, absorbent charcoal adsorber, the 18th, delivery pipe, the 19th, outlet, the 20th, biological deodorizing tower, the 21st, air inlet pipe, the 22nd, nutrient solution section, the 23rd, foul smell import, the 24th, foul smell outlet.
The specific embodiment
Technical scheme of the present invention is not limited to the following cited specific embodiment, also comprises the combination in any between each specific embodiment.
The specific embodiment one: the biological treatment system of this embodiment mud foul smell comprises foul smell gathering-device 1, foul smell blower fan 2, air inlet pipe 21, biological deodorizing tower 20, outlet 19, absorbent charcoal adsorber 17, gas monitor 16 and delivery pipe 18; Wherein foul smell gathering-device 1 links to each other with biological deodorizing tower 20 through air inlet pipe 21, and air inlet pipe 21 is provided with foul smell blower fan 2; Biological deodorizing tower 20 links to each other with the inlet of absorbent charcoal adsorber 17 through outlet 19, and delivery pipe 18 is arranged in the outlet of absorbent charcoal adsorber 17, and gas monitor 16 is arranged on the outlet 19.
The specific embodiment two: what this embodiment and the specific embodiment one were different is: said biological deodorizing tower 20 is provided with foul smell outlet 24, heat-insulation layer 5, heating tube 9, carrier pipe 14, nozzle 6, hard filler 8, temperature probe 7, support 10, soft filler 11, ventilative dividing plate 12, foul smell import 23, nutrient solution section 22, floss hole 13; Wherein the tower wall of biological deodorizing tower 20 is provided with heat-insulation layer 5, is provided with heating tube 9 at the middle part of heat-insulation layer 5; Cat head is provided with foul smell outlet 24, and foul smell outlet 24 is provided with ball valve 3; Soft filler 11 is arranged on the ventilative dividing plate 12, and hard filler 8 is arranged on soft filler 11 tops, between hard filler 8 and the soft filler 11 support 10 is set; The tower wall that one end of carrier pipe 14 passes biological deodorizing tower 20 is communicated with the nutrient solution section 22 of bottom; The tower wall that the other end passes biological deodorizing tower 20 is arranged at the top of hard filler 8; The carrier pipe 14 of hard filler 8 tops is provided with a plurality of nozzles 6; Reflux pump 15 is arranged on the carrier pipe 14, and the bottom nutrient solution is transported to top through carrier pipe 14; Be provided with mud foul smell import 23 between nutrient solution section 22 and the ventilative dividing plate 12; The bottom of biological deodorizing tower 20 is provided with floss hole 13, and floss hole 13 is provided with ball valve 3.Other is identical with the specific embodiment one.
The beneficial effect of this embodiment is:
1, is thiobacillus denitrificans and nitrobacteria syntaxial system in the micropopulation in the biological deodorizing tower, can removes main component hydrogen sulfide and the ammonia in the mud foul smell effectively simultaneously, and can reclaim elemental sulfur;
2, this biological deodorizing tower adopts the double-deck filler of soft or hard.Soft packing and hard packing are the fillers of extensive use in the sewage disposal, and using it in processing of decontamination mud foul smell is an innovative point of the present invention.Two kinds of fillers of soft or hard place same reactor; Waste gas is through material, specific area, roughness, intensity, density, double bed deodorizing tower that the distribute water and air performance is different; The degree of each component of soft or hard filling adsorption waste gas is different, and each component translational speed is different, forms velocity gradient; Change the hydraulic characteristic(s) of flowing phase, have to be used in the treatment effeciency that improves the mud foul smell.
3, the charcoal absorption of biological treatment following adopted had both guaranteed treatment effect, prolonged the regeneration of activated carbon time again, thereby it was low to have energy consumption, and operating cost is low, safe and reliable advantage;
4, adopt nutrient solution backflow spraying method can absorb hydrogen sulfide and ammonia in the mud foul smell better, for the microorganism on the filler provides better contact environment; Gas-liquid adopts counter-current operation, and the mud foul smell is got into by the deodorizing tower bottom, and by the absorption of the microorganism on the filler, degraded, purified gas is discharged by the gas outlet, top.The intermittent shower nutrient solution at the top of packed tower adopts nutrient solution backflow spraying method can more effectively absorb gas such as hydrogen sulfide and ammonia in the mud foul smell, simultaneously for microorganism provides growth required moisture and nutriment, and washes away biological metabolite.
5, system is provided with temperature temperature probe, the accurate appearance of nutrient solution pH, gas-detecting device, can monitor operation conditions, treatment effect in real time.
The specific embodiment three: what this embodiment was different with the specific embodiment one or two is: said biological deodorizing tower also comprises wire mesh demister 4, and wire mesh demister 4 is arranged between nozzle 6 and the foul smell outlet 24.Other is identical with the specific embodiment one or two.
The specific embodiment four: what this embodiment was different with one of specific embodiment one to three is: said biological deodorizing tower 20 also comprises precision acidity meter, and precision acidity meter is arranged in the nutrient solution section 22.Other is identical with one of specific embodiment one to three.
The specific embodiment five: what this embodiment was different with one of specific embodiment one to four is: said hard filler 8 is hard polyurethane foams.Other is identical with one of specific embodiment one to four.
The specific embodiment six: what this embodiment was different with one of specific embodiment one to five is: said soft filler 11 is flexible polyurethane foams.Other is identical with one of specific embodiment one to five.
The specific embodiment seven: what this embodiment was different with one of specific embodiment one to five is: the thickness ratio of soft filler 11 and hard filler 8 is 2: 1.Other is identical with one of specific embodiment one to six.
The specific embodiment eight: what this embodiment was different with one of specific embodiment one to seven is: in the nutrient solution section 22, contain 5.0g Na in every liter of nutrient solution
2S
2O
35H
2O, 2.0g K
2HPO
4, 2.0g KNO
3, 1.0g NaHCO
3, 0.6gMgSO
47H
2O, 0.5g NH
4Cl, 0.03g FeSO
47H
2O, 0.75g CaCl
2, solvent is a water, the pH value of nutrient solution is 7.0～7.6.Other is identical with one of specific embodiment one to seven.
The specific embodiment nine: the method that this embodiment utilizes the biological treatment system of mud foul smell to handle the mud foul smell is carried out according to the following steps:
One, the enrichment bacterium liquid injection of 10L thiobacillus denitrificans and nitrobacteria is equipped with in the biological deodorizing tower 20 of filler; Discharge bacterium liquid after leaving standstill 8h,, and spray the extension film through air blast pump continuous aerating oxygen in biological deodorizing tower 20; Aeration was cultivated after 1 day; Begin to feed the mud foul smell, nutrient solution was changed once in 5 days, and the maintenance air inflow is 20～40m
3/ min, spray flux is 1.25m
3/ h tamed for 3 weeks, accomplished to start;
Two, by foul smell gathering-device 1 foul smell that each link of sludge handling process produces is collected together; Sending into biological deodorizing tower 20 by foul smell blower fan 2 carries out a biological disposal upon; Gas is through after absorbent charcoal adsorber 17 purified treatment, and through delivery pipe 18 dischargings, the air inflow of gas is 20～40m
3/ min, gas is 100s at dwell time in the tower, the nutrient solution spray flux is 1.25m
3/ h.
In this embodiment, the thiobacillus denitrificans bacterial classification is taken from Longhua, Xi'an Industrial Co., Ltd. (former Xi'an sulfuric acid plant) troilite powder material storage yard soil, desulfurizer is discharged sewer mouth mud and near soil.Nutrient solution is got the nutrient solution in the nutrient solution section 8.Get an amount of above-mentioned soil sample and join respectively in the 250mL conical flask, vibration is got the 10mL supernatant and is inoculated in the conical flask that the 100mL fluid nutrient medium is housed.Enrichment culture is 5 days on constant temperature oscillator, and temperature is 28 ℃, and rotating speed is 180r/min.Bacterial classification repeats to move and connects enrichment culture, alternately cultivated for 3 weeks after, get the pregnant solution microscopy and find that the thalli morphology size is consistent, be glassy yellow around the thalline, have sulphur grain deposition.The nutrient solution streak inoculation on solid plate, behind the 4d, prong shape bacterium colony occurred on the flat board.The separation and Culture of ruling once more so alternately for several times, until purifying, is moved then and is connected to the inclined-plane and preserves subsequent use.
Nitrobacteria is selected U.S. Bi Wofeng Company products
microbial bacterial agent for use.
The specific embodiment ten: what this embodiment and the specific embodiment nine were different is: temperature is 27～35 ℃ in the tower of biological deodorizing tower 20.
Adopt following examples to verify beneficial effect of the present invention:
Embodiment one:
The biological treatment system of present embodiment mud foul smell comprises foul smell gathering-device 1, foul smell blower fan 2, air inlet pipe 21, biological deodorizing tower 20, outlet 19, absorbent charcoal adsorber 17, gas monitor 16 and delivery pipe 18; Wherein foul smell gathering-device 1 links to each other with biological deodorizing tower 20 through air inlet pipe 21, and air inlet pipe 21 is provided with foul smell blower fan 2; Biological deodorizing tower 20 links to each other with the inlet of absorbent charcoal adsorber 17 through outlet 19, and delivery pipe 18 is arranged in the outlet of absorbent charcoal adsorber 17, and gas monitor 16 is arranged on the outlet 19.Said biological deodorizing tower 20 is provided with foul smell outlet 24, heat-insulation layer 5, heating tube 9, carrier pipe 14, nozzle 6, hard filler 8, temperature probe 7, support 10, soft filler 11, ventilative dividing plate 12, foul smell import 23, nutrient solution section 22, floss hole 13; Wherein the tower wall of biological deodorizing tower 20 is provided with heat-insulation layer 5, is provided with heating tube 9 at the middle part of heat-insulation layer 5; Cat head is provided with foul smell outlet 24, and foul smell outlet 24 is provided with ball valve 3; Soft filler 11 is arranged on the ventilative dividing plate 12, and hard filler 8 is arranged on soft filler 11 tops, between hard filler 8 and the soft filler 11 support 10 is set; The tower wall that one end of carrier pipe 14 passes biological deodorizing tower 20 is communicated with the nutrient solution section 22 of bottom; The tower wall that the other end passes biological deodorizing tower 20 is arranged at the top of hard filler 8; The carrier pipe 14 of hard filler 8 tops is provided with a plurality of nozzles 6; Reflux pump 15 is arranged on the carrier pipe 14, and the bottom nutrient solution is transported to top through carrier pipe 14; Be provided with mud foul smell import 23 between nutrient solution section 22 and the ventilative dividing plate 12; The bottom of biological deodorizing tower 20 is provided with floss hole 13, and floss hole 13 is provided with ball valve 3.Said biological deodorizing tower 20 also comprises wire mesh demister 4, and wire mesh demister 4 is arranged between nozzle 6 and the foul smell outlet 24.
Utilize the method for the biological treatment system processing mud foul smell of above-mentioned mud foul smell to carry out according to the following steps:
One, the enrichment bacterium liquid injection of 10L thiobacillus denitrificans and nitrobacteria is equipped with in the biological deodorizing tower 20 of filler; Discharge bacterium liquid after leaving standstill 8h,, and spray the extension film through air blast pump continuous aerating oxygen in biological deodorizing tower 20; Aeration was cultivated after 1 day; Begin to feed the mud foul smell, nutrient solution was changed once in 5 days, and the maintenance air inflow is 40m
3/ min, spray flux is 1.25m
3/ h tamed for 3 weeks, accomplished to start;
Two, by foul smell gathering-device 1 foul smell that each link of sludge handling process produces is collected together; Sending into biological deodorizing tower 20 by foul smell blower fan 2 carries out a biological disposal upon; Gas is through after absorbent charcoal adsorber 17 purified treatment, and through delivery pipe 18 dischargings, the air inflow of gas is 40m
3/ min, gas is 100s at dwell time in the tower, the nutrient solution spray flux is 1.25m
3/ h.
The beneficial effect of present embodiment is:
1, is thiobacillus denitrificans and nitrobacteria syntaxial system in the micropopulation in the biological deodorizing tower, can removes main component hydrogen sulfide and the ammonia in the mud foul smell effectively simultaneously, and can reclaim elemental sulfur;
2, this biological deodorizing tower adopts the double-deck filler of soft or hard.Soft packing and hard packing are the fillers of extensive use in the sewage disposal, and using it in processing of decontamination mud foul smell is an innovative point of the present invention.Two kinds of fillers of soft or hard place same reactor; Waste gas is through material, specific area, roughness, intensity, density, double bed deodorizing tower that the distribute water and air performance is different; The degree of each component of soft or hard filling adsorption waste gas is different, and each component translational speed is different, forms velocity gradient; Change the hydraulic characteristic(s) of flowing phase, have to be used in the treatment effeciency that improves the mud foul smell.
3, the charcoal absorption of biological treatment following adopted had both guaranteed treatment effect, prolonged the regeneration of activated carbon time again, thereby it was low to have energy consumption, and operating cost is low, safe and reliable advantage;
4, adopt nutrient solution backflow spraying method can absorb hydrogen sulfide and ammonia in the mud foul smell better, for the microorganism on the filler provides better contact environment; Gas-liquid adopts counter-current operation, and the mud foul smell is got into by the deodorizing tower bottom, and by the absorption of the microorganism on the filler, degraded, purified gas is discharged by the gas outlet, top.The intermittent shower nutrient solution at the top of packed tower adopts nutrient solution backflow spraying method can more effectively absorb gas such as hydrogen sulfide and ammonia in the mud foul smell, simultaneously for microorganism provides growth required moisture and nutriment, and washes away biological metabolite.
5, system is provided with temperature temperature probe, the accurate appearance of nutrient solution pH, gas-detecting device, can monitor operation conditions, treatment effect in real time.
Claims (10)
1. the biological treatment system of a mud foul smell is characterized in that the biological treatment system of mud foul smell comprises foul smell gathering-device (1), foul smell blower fan (2), air inlet pipe (21), biological deodorizing tower (20), outlet (19), absorbent charcoal adsorber (17), gas monitor (16) and delivery pipe (18); Wherein foul smell gathering-device (1) links to each other with biological deodorizing tower (20) through air inlet pipe (21), and air inlet pipe (21) is provided with foul smell blower fan (2); Biological deodorizing tower (20) links to each other with the inlet of absorbent charcoal adsorber (17) through outlet (19), and delivery pipe (18) is arranged in the outlet of absorbent charcoal adsorber (17), and gas monitor (16) is arranged on the outlet (19).
2. the biological treatment system of a kind of mud foul smell according to claim 1 is characterized in that said biological deodorizing tower (20) is provided with foul smell outlet (24), heat-insulation layer (5), heating tube (9), carrier pipe (14), nozzle (6), hard filler (8), temperature probe (7), support (10), soft filler (11), ventilative dividing plate (12), foul smell import (23), nutrient solution section (22), floss hole (13); Wherein the tower wall of biological deodorizing tower (20) is provided with heat-insulation layer (5), is provided with heating tube (9) at the middle part of heat-insulation layer (5); Cat head is provided with foul smell outlet (24), and foul smell outlet (24) is provided with ball valve (3); Soft filler (11) is arranged on the ventilative dividing plate (12), and hard filler (8) is arranged on soft filler (11) top, between hard filler (8) and the soft filler (11) support (10) is set; The tower wall that one end of carrier pipe (14) passes biological deodorizing tower (20) is communicated with the nutrient solution section (22) of bottom; The tower wall that the other end passes biological deodorizing tower (20) is arranged at the top of hard filler (8); The carrier pipe (14) of hard filler (8) top is provided with a plurality of nozzles (6); Reflux pump (15) is arranged on the carrier pipe (14), and the bottom nutrient solution is transported to top through carrier pipe (14); Be provided with mud foul smell import (23) between nutrient solution section (22) and the ventilative dividing plate (12); The bottom of biological deodorizing tower (20) is provided with floss hole (13), and floss hole (13) is provided with ball valve (3).
3. the biological treatment system of a kind of mud foul smell according to claim 2 is characterized in that said biological deodorizing tower (20) also comprises wire mesh demister (4), and wire mesh demister (4) is arranged between nozzle (6) and the foul smell outlet (24).
4. the biological treatment system of a kind of mud foul smell according to claim 2 is characterized in that said biological deodorizing tower (20) also comprises precision acidity meter, and precision acidity meter is arranged in the nutrient solution section (22).
5. the biological treatment system of a kind of mud foul smell according to claim 2 is characterized in that said hard filler (8) is a hard polyurethane foams.
6. the biological treatment system of a kind of mud foul smell according to claim 2 is characterized in that said soft filler (11) is a flexible polyurethane foams.
7. the biological treatment system of a kind of mud foul smell according to claim 2 is characterized in that the thickness ratio of soft filler (11) and hard filler (8) is 2: 1.
8. the biological treatment system of a kind of mud foul smell according to claim 2 is characterized in that containing 5.0g Na in every liter of nutrient solution in the nutrient solution section (22)
2S
2O
35H
2O, 2.0g K
2HPO
4, 2.0g KNO
3, 1.0g NaHCO
3, 0.6g MgSO
47H
2O, 0.5g NH
4Cl, 0.03g FeSO
47H
2O, 0.75g CaCl
2, solvent is a water, the pH value of nutrient solution is 7.0～7.6.
9. utilize the biological treatment system of the described a kind of mud foul smell of claim 1 to handle the method for mud foul smell, the method that it is characterized in that utilizing the biological treatment system of mud foul smell to handle the mud foul smell is carried out according to the following steps:
One, the enrichment bacterium liquid injection of 10L thiobacillus denitrificans and nitrobacteria is equipped with in the biological deodorizing tower (20) of filler; Discharge bacterium liquid after leaving standstill 8h,, and spray the extension film through air blast pump continuous aerating oxygen in biological deodorizing tower (20); Aeration was cultivated after 1 day; Begin to feed the mud foul smell, nutrient solution was changed once in 5 days, and the maintenance air inflow is 20～40m
3/ min, spray flux is 1.25m
3/ h tamed for 3 weeks, accomplished to start;
Two, by foul smell gathering-device (1) foul smell that each link of sludge handling process produces is collected together; Sending into biological deodorizing tower (20) by foul smell blower fan (2) carries out a biological disposal upon; Gas is through after absorbent charcoal adsorber (17) purified treatment; Through delivery pipe (18) discharging, the air inflow of gas is 20～40m
3/ min, gas is 100s at dwell time in the tower, the nutrient solution spray flux is 1.25m
3/ h.
10. the biological treatment system of a kind of mud foul smell according to claim 8 is handled the method for mud foul smell, it is characterized in that the interior temperature of tower of biological deodorizing tower (20) is 27～35 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100996121A CN102614774A (en) | 2012-04-06 | 2012-04-06 | Biological treatment system of sludge odor and method for treating sludge odor by utilizing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100996121A CN102614774A (en) | 2012-04-06 | 2012-04-06 | Biological treatment system of sludge odor and method for treating sludge odor by utilizing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102614774A true CN102614774A (en) | 2012-08-01 |
Family
ID=46555191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100996121A Pending CN102614774A (en) | 2012-04-06 | 2012-04-06 | Biological treatment system of sludge odor and method for treating sludge odor by utilizing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102614774A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243022A (en) * | 2013-05-08 | 2013-08-14 | 江苏大学 | Simple device and method for collecting volatile gas generated by bacteria |
| CN104129852A (en) * | 2014-06-20 | 2014-11-05 | 浙江工商大学 | Method and reaction device for reducing H2S inner sources of garbage landfill |
| CN104370419A (en) * | 2014-11-13 | 2015-02-25 | 成都绿源新创环保科技有限公司 | Odor purification and aeration integrated system used in sewage treatment plant |
| CN104437033A (en) * | 2014-11-13 | 2015-03-25 | 上海市动物无害化处理中心 | Integrated deodorization device for animal harmless centralized treatment place |
| CN104961318A (en) * | 2015-06-25 | 2015-10-07 | 天津霍普环保科技有限公司 | Deodorizing device of electric osmosis water extractor |
| CN105169902A (en) * | 2015-09-14 | 2015-12-23 | 广州市净水有限公司 | Sludge deodorization material and sludge deodorization device |
| CN105363342A (en) * | 2014-08-27 | 2016-03-02 | 中国石油化工股份有限公司 | Organic waste gas treatment method |
| WO2016086505A1 (en) * | 2014-12-02 | 2016-06-09 | 北京空间飞行器总体设计部 | Detoxification device for toxic gas |
| CN107049586A (en) * | 2017-01-24 | 2017-08-18 | 福建唯德仑医疗器械有限公司 | A kind of cleaner |
| CN108187486A (en) * | 2018-01-29 | 2018-06-22 | 江苏丰源环保科技工程有限公司 | A kind of sludge odor processing method |
| CN108264203A (en) * | 2018-04-04 | 2018-07-10 | 浙江荣晟环保纸业股份有限公司 | A kind of processing system and method for paper waste foul smell |
| CN111617600A (en) * | 2019-02-28 | 2020-09-04 | 上海惠志环保科技有限公司 | Waste gas treatment process |
| CN112495133A (en) * | 2020-11-30 | 2021-03-16 | 江苏新中金环保科技股份有限公司 | Activated carbon-based catalytic desulfurization process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201073591Y (en) * | 2007-08-20 | 2008-06-18 | 郑州大学 | Novel fetor discharge gas biological purification device |
| CN201625504U (en) * | 2010-03-10 | 2010-11-10 | 中国石油天然气股份有限公司 | High-efficient deodorization device for bio-trickling filter |
| CN102002408A (en) * | 2010-12-16 | 2011-04-06 | 哈尔滨工业大学 | Marsh gas biological desulphurization energy-saving method |
| CN202044904U (en) * | 2011-04-23 | 2011-11-23 | 濮阳市元光科技有限公司 | Effluvial gas treatment device |
-
2012
- 2012-04-06 CN CN2012100996121A patent/CN102614774A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201073591Y (en) * | 2007-08-20 | 2008-06-18 | 郑州大学 | Novel fetor discharge gas biological purification device |
| CN201625504U (en) * | 2010-03-10 | 2010-11-10 | 中国石油天然气股份有限公司 | High-efficient deodorization device for bio-trickling filter |
| CN102002408A (en) * | 2010-12-16 | 2011-04-06 | 哈尔滨工业大学 | Marsh gas biological desulphurization energy-saving method |
| CN202044904U (en) * | 2011-04-23 | 2011-11-23 | 濮阳市元光科技有限公司 | Effluvial gas treatment device |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243022A (en) * | 2013-05-08 | 2013-08-14 | 江苏大学 | Simple device and method for collecting volatile gas generated by bacteria |
| CN104129852A (en) * | 2014-06-20 | 2014-11-05 | 浙江工商大学 | Method and reaction device for reducing H2S inner sources of garbage landfill |
| CN105363342A (en) * | 2014-08-27 | 2016-03-02 | 中国石油化工股份有限公司 | Organic waste gas treatment method |
| CN104437033A (en) * | 2014-11-13 | 2015-03-25 | 上海市动物无害化处理中心 | Integrated deodorization device for animal harmless centralized treatment place |
| CN104370419A (en) * | 2014-11-13 | 2015-02-25 | 成都绿源新创环保科技有限公司 | Odor purification and aeration integrated system used in sewage treatment plant |
| CN104437033B (en) * | 2014-11-13 | 2016-05-18 | 上海市动物无害化处理中心 | A kind of for the innoxious integrated odor removal that focuses on place of animal |
| WO2016086505A1 (en) * | 2014-12-02 | 2016-06-09 | 北京空间飞行器总体设计部 | Detoxification device for toxic gas |
| CN104961318A (en) * | 2015-06-25 | 2015-10-07 | 天津霍普环保科技有限公司 | Deodorizing device of electric osmosis water extractor |
| CN105169902A (en) * | 2015-09-14 | 2015-12-23 | 广州市净水有限公司 | Sludge deodorization material and sludge deodorization device |
| CN107049586A (en) * | 2017-01-24 | 2017-08-18 | 福建唯德仑医疗器械有限公司 | A kind of cleaner |
| CN108187486A (en) * | 2018-01-29 | 2018-06-22 | 江苏丰源环保科技工程有限公司 | A kind of sludge odor processing method |
| CN108264203A (en) * | 2018-04-04 | 2018-07-10 | 浙江荣晟环保纸业股份有限公司 | A kind of processing system and method for paper waste foul smell |
| CN108264203B (en) * | 2018-04-04 | 2023-09-26 | 浙江荣晟环保纸业股份有限公司 | System and method for treating odor of papermaking wastewater |
| CN111617600A (en) * | 2019-02-28 | 2020-09-04 | 上海惠志环保科技有限公司 | Waste gas treatment process |
| CN112495133A (en) * | 2020-11-30 | 2021-03-16 | 江苏新中金环保科技股份有限公司 | Activated carbon-based catalytic desulfurization process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102614774A (en) | Biological treatment system of sludge odor and method for treating sludge odor by utilizing same | |
| CN103623693B (en) | A kind of Efficient biological deodorization equipment | |
| CN106215687A (en) | Biofilter odor treating device and method | |
| CN104338436B (en) | A kind of efficient processing high concentration is mixed the deodoration system of foul smell | |
| CN104001421B (en) | A kind of employing pretreated compound bio deodorization process of bubble-free aeration and device | |
| CN206027431U (en) | Device of waste gas is handled to biological method of multistage | |
| CN101992020A (en) | Waste gas treatment process and fluidized-bed bioreactor used for same | |
| CN103111184A (en) | Device for removing NOx (Nitrogen Oxide), SO2 (Sulfur Dioxide) and PM2.5 (Particulate Matter 2.5) simultaneously | |
| CN103253823A (en) | Method and system for realizing efficient wastewater treatment and waste methane gas oxidation together via artificial wetland | |
| CN101011591A (en) | Method and apparatus for treating malodorous gas by using composite microorganism and nano composite carrier | |
| CN203370458U (en) | Waste gas washing tower | |
| CN102921293B (en) | Method for processing foul gas through using biological combined technology | |
| CN106268291A (en) | Filter tower device and the method for biological desulphurization deodorization are dripped in a kind of biological desulphurization deodorization | |
| CN109078479A (en) | A kind of compound bio method processing sewage plant exhaust device and waste gas processing method | |
| CN103721561B (en) | Remove NO under a kind of aerobic environment simultaneously x, SO 2and PM 2.5biologic filtration method | |
| CN112495180A (en) | Thermophilic biological trickling filtration gas-liquid two-phase device and application thereof in removing heavy metals in flue gas | |
| CN203155087U (en) | Device for simultaneously removing NOX, SO2 and PM2.5 (Particulate Matters 2.5) | |
| CN111530270A (en) | Efficient biological treatment device and treatment method for waste gas | |
| CN104891729B (en) | Sewage plant tail water advanced treatment apparatus and technology thereof | |
| JP2016123957A (en) | Apparatus and method for treating waste water containing dissolved substance and volatile substance | |
| CN112915775B (en) | Sludge drying odor treatment method and device | |
| CN2710731Y (en) | Biological catalystic-oxidation equipment for removing sulphur | |
| CN206746308U (en) | A kind of exhaust air deodorization purifier | |
| CN113101800A (en) | Volatile organic compound treatment reaction system and application thereof | |
| CN107998874B (en) | Constructed wetland VOCs waste gas purification method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120801 |