CN111908751A - Sludge deodorization treatment method based on multilayer microorganism composite bacterial filler - Google Patents
Sludge deodorization treatment method based on multilayer microorganism composite bacterial filler Download PDFInfo
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- CN111908751A CN111908751A CN202010797019.9A CN202010797019A CN111908751A CN 111908751 A CN111908751 A CN 111908751A CN 202010797019 A CN202010797019 A CN 202010797019A CN 111908751 A CN111908751 A CN 111908751A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/84—Biological processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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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
- 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
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Hydrology & Water Resources (AREA)
- Biomedical Technology (AREA)
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biodiversity & Conservation Biology (AREA)
- Treating Waste Gases (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a sludge deodorization treatment method based on multilayer microorganism composite bacterial fillers, which relates to the technical field of sludge deodorization treatment and comprises the following steps: (1) preparing microbial compound bacteria; (2) preparing the composite bacterial filler; (3) comprehensively preparing the microbial composite bacterial filler; (4) burying the microbial composite bacteria filler; (5) performing aeration deodorization treatment on the sludge; (6) circularly treating the sludge waste gas; (7) and drying and recycling the sludge. According to the sludge deodorization treatment method based on the multilayer microorganism composite bacterial fillers, the multilayer microorganism composite bacterial fillers are buried in the sludge tank at equal intervals, so that the sludge and the sewage in the sludge tank can be conveniently subjected to deodorization treatment for multiple times in a layering manner, the deodorization effect is favorably improved, the deodorization effect is better, the microorganism composite bacteria can decompose substances in the sludge, the degradation of peculiar smell substances is realized, the sludge is purified, and meanwhile, harmful substances in the sludge and the sewage can be effectively removed.
Description
Technical Field
The invention relates to the technical field of sludge deodorization treatment, in particular to a sludge deodorization treatment method based on a multilayer microorganism composite bacterial filler.
Background
Sludge is a product after sewage treatment, and is an extremely complex heterogeneous body consisting of organic debris, bacterial cells, inorganic particles, colloids and the like. The main characteristics of the sludge are high water content (up to more than 99 percent), high organic matter content, easy decomposition and stink generation, fine particles, small specific gravity and colloidal liquid state. It is a thick matter between liquid and solid. According to its origin, it can be divided into: municipal sludge, pipe network sludge, river and lake sludge and industrial sludge. The odor of the sludge is serious, so the sludge needs to be deodorized.
The existing sludge deodorization treatment method is complex, sludge needs to be divided into three parts of sludge, sewage and waste gas to be treated respectively, the treatment efficiency is low, the treatment is troublesome, and a mode of adding a microorganism composite microbial inoculum is mostly adopted in the sludge deodorization process.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a sludge deodorization treatment method based on multilayer microorganism composite bacterial fillers, which solves the problems that the existing sludge deodorization treatment method proposed in the background art is complex, sludge needs to be divided into three parts of sludge, sewage and waste gas to be treated respectively, the treatment efficiency is low, the treatment is troublesome, and a mode of adding a microorganism composite bacterial agent is adopted in the sludge deodorization process, and the added microorganism composite bacterial agent is easy to run off due to the fluidity of the sludge, so that the stable and continuous removal effect is difficult to maintain.
In order to achieve the purpose, the invention is realized by the following technical scheme, and the sludge deodorization treatment method based on the multilayer microorganism composite bacterial filler comprises the following steps:
(1) preparing microbial compound bacteria;
(2) preparing the composite bacterial filler;
(3) comprehensively preparing the microbial composite bacterial filler;
(4) burying the microbial composite bacteria filler;
(5) performing aeration deodorization treatment on the sludge;
(6) circularly treating the sludge waste gas;
(7) and drying and recycling the sludge.
Optionally, the sludge deodorization treatment method based on the multilayer microorganism composite bacterial filler comprises the following specific steps:
(1) preparation of microorganism composite bacteria
Placing the microbial strains with the deodorization effect in a culture medium for culturing, and mixing various types of microbial strains to form a complex flora after culturing;
(2) preparation of composite bacterial filler
Fully stirring and mixing the fly ash nano modified material, the corn straw powder, the wheat bran and part of the dried sludge, and then placing the mixture into a mould for compression molding to obtain a molded filler carrier;
(3) comprehensive preparation of microbial composite bacterial filler
Inoculating the composite flora into a filler carrier, wherein the inoculation can adopt a mode of placing the filler carrier in a composite flora liquid for full infiltration so that deodorant bacteria are uniformly attached to the interior of the filler to form a single-layer microbial composite bacterial filler, and then repeating the steps to sequentially prepare a plurality of layers of microbial composite bacterial fillers;
(4) microorganism composite bacteria filler landfill
Embedding each microbial composite bacterial filler in a sludge tank layer by layer, and injecting sludge to ensure that the microbial composite bacterial fillers are positioned in the sludge and sewage and the microbial composite bacterial fillers of each layer are arranged in parallel;
(5) and aeration and deodorization treatment of sludge
A cover plate is arranged above the sludge tank to seal the sludge tank, then oxygen is introduced into the sludge tank to carry out aeration treatment, so that the activity and treatment effect of the microbial composite bacteria are enhanced, and the microbial composite bacteria in each layer of composite bacteria filler degrade sludge and peculiar smell substances in sewage, thereby realizing sludge deodorization;
(6) sludge and waste gas circulating treatment
Waste odorous gas generated by the sludge tank can be circularly returned to the inside of the sludge tank through the gas induced draft device, and a certain amount of oxygen is added as a gas source of the aeration system, so that the multi-layer microbial composite bacterial filler can circularly deodorize the odorous substances in the waste gas for many times, and the comprehensive deodorization treatment of sludge, sewage and waste gas is realized;
(7) drying and recycling the sludge
After the sludge deodorization treatment is finished, the sludge after the deodorization treatment in the sludge pool can be pumped out through a sludge pump and pumped into a sludge dewatering device for dewatering treatment, and finally the dewatered and dried sludge can be reused as fertilizer.
Optionally, the microbial composite bacteria is a combination of two or more of cellulose decomposition bacteria, alcaligenes faecalis, bacillus, algicidal bacteria and the like.
Optionally, the composite bacterial filler is prepared from, by mass, 35-40 parts of fly ash nano modified material, 20-25 parts of corn straw powder, 8-10 parts of wheat bran and 5-10 parts of dried sludge.
Optionally, the microbial composite bacterial filler is provided with three or more layers, and the distances between the microbial composite bacterial fillers of the layers are equal.
The invention provides a sludge deodorization treatment method based on a multilayer microorganism composite bacterial filler, which has the following beneficial effects: the sludge deodorization treatment method based on the multilayer microorganism composite bacterial filler is characterized in that the multilayer microorganism composite bacterial filler is embedded in a sludge tank at equal intervals, facilitates the layered deodorization treatment of the sludge and the sewage in the sludge tank for a plurality of times, is beneficial to improving the deodorization effect and leading the deodorization effect to be better, wherein the microorganism composite bacteria can decompose substances in the sludge to realize the degradation of the odor substances, thereby realizing the purification of the sludge and effectively removing harmful substances in the sludge and the sewage, the microbial compound bacteria used by the microbial compound bacteria filler are the combination of two or more than two of cellulose decomposition bacteria, alcaligenes faecalis, bacillus, algae dissolving bacteria and the like, the microbial strains can degrade organic wastes and have the function of deodorization, meanwhile, the heavy metal ions in the sludge and the sewage can be adsorbed, so that the method has higher benefit value;
the composite bacterial filler is prepared from the raw materials of fly ash nanometer modified materials, corn straw powder and wheat bran, the prepared filler carrier is strong in pressure resistance, the formed filler carrier is of a net structure, the internal pores are uniformly distributed, the propagation and attachment of microorganism composite bacteria are facilitated, and the activity of the microorganism composite bacteria is higher, wherein the preparation mass ratio of the raw materials is 35-40 parts of the fly ash nanometer modified materials, 20-25 parts of the corn straw powder, 8-10 parts of the wheat bran and 5-10 parts of dried sludge, and part of the dried sludge with the humidity of 75% is added to facilitate the viscosity enhancement, so that the compression forming of the filler carrier is facilitated, the adaptability of the filler carrier and the sludge can be better, the filler can be naturally degraded, the fertility of the sludge can be enhanced, the environmental pollution cannot be caused, and the energy-saving and environment-friendly effects are achieved;
the activity and the treatment effect that the compound fungus of microorganism can be strengthened to aeration treatment are let in oxygen among the mud aeration deodorization processing procedure, thereby make the compound fungus of microorganism in each layer of compound fungus filler can fully degrade the peculiar smell material in mud and the sewage, and the inside of mud pond and as aeration systems' air supply are sent back to in the circulation of the gaseous induced air device circulation of waste odorous gas that the mud pond produced, can repeat through the compound fungus filler of multilayer microorganism, so that the compound fungus filler of multilayer microorganism carries out the multiple cycle deodorization to the peculiar smell material in this part waste gas, realize mud, the comprehensive deodorization of sewage and waste gas is handled.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
A sludge deodorization treatment method based on multilayer microorganism composite bacterial fillers comprises the following steps:
(1) preparing microbial compound bacteria;
(2) preparing the composite bacterial filler;
(3) comprehensively preparing the microbial composite bacterial filler;
(4) burying the microbial composite bacteria filler;
(5) performing aeration deodorization treatment on the sludge;
(6) circularly treating the sludge waste gas;
(7) and drying and recycling the sludge.
A sludge deodorization treatment method based on multilayer microorganism composite bacterial filler comprises the following specific steps:
(1) preparation of microorganism composite bacteria
Placing the microbial strains with the deodorization effect in a culture medium for culturing, and mixing various types of microbial strains to form a complex flora after culturing;
the microbial compound bacteria are the combination of two or more of cellulose decomposition bacteria, alcaligenes faecalis, bacillus, algae dissolving bacteria and the like, and the microbial bacteria can degrade organic waste, have the deodorization effect, can adsorb heavy metal ions in sludge and sewage, and have higher benefit value;
(2) preparation of composite bacterial filler
Fully stirring and mixing the fly ash nano modified material, the corn straw powder, the wheat bran and part of the dried sludge, and then placing the mixture into a mould for compression molding to obtain a molded filler carrier;
the composite bacterial filler is prepared from 35-40 parts of fly ash nano modified material, 20-25 parts of corn straw powder, 8-10 parts of wheat bran and 5-10 parts of dried sludge by mass, and a filler carrier prepared from the fly ash nano modified material, the corn straw powder and the wheat bran is high in pressure resistance, the formed filler carrier is of a net structure, internal pores are uniformly distributed, propagation and attachment of microorganism composite bacteria are facilitated, activity of the microorganism composite bacteria is high, the dried sludge with partial humidity of 75% is added, viscosity is enhanced conveniently, compression forming of the filler carrier is facilitated, and meanwhile adaptability of the filler carrier and sludge is better;
(3) comprehensive preparation of microbial composite bacterial filler
Inoculating the composite flora into a filler carrier, wherein the inoculation can adopt a mode of placing the filler carrier in a composite flora liquid for full infiltration so that deodorant bacteria are uniformly attached to the interior of the filler to form a single-layer microbial composite bacterial filler, and then repeating the steps to sequentially prepare a plurality of layers of microbial composite bacterial fillers;
(4) microorganism composite bacteria filler landfill
Embedding each microbial composite bacterial filler in a sludge tank layer by layer, and injecting sludge to ensure that the microbial composite bacterial fillers are positioned in the sludge and sewage and the microbial composite bacterial fillers of each layer are arranged in parallel;
the microbial composite bacterial filler is provided with three or more layers, the distances among the microbial composite bacterial fillers of each layer are equal, and the microbial composite bacterial fillers of the multiple layers can be embedded in the sludge tank at equal intervals, so that the sludge and the sewage in the sludge tank can be deodorized for multiple times in a layered manner, the deodorization effect can be improved, and the deodorization effect is better;
(5) and aeration and deodorization treatment of sludge
A cover plate is arranged above the sludge tank to seal the sludge tank, then oxygen is introduced into the sludge tank to carry out aeration treatment, so that the activity and treatment effect of the microbial composite bacteria are enhanced, and the microbial composite bacteria in each layer of composite bacteria filler degrade sludge and peculiar smell substances in sewage, thereby realizing sludge deodorization;
(6) sludge and waste gas circulating treatment
Waste odorous gas generated by the sludge tank can be circularly returned to the inside of the sludge tank through the gas induced draft device, and a certain amount of oxygen is added as a gas source of the aeration system, so that the multi-layer microbial composite bacterial filler can circularly deodorize the odorous substances in the waste gas for many times, and the comprehensive deodorization treatment of sludge, sewage and waste gas is realized;
(7) drying and recycling the sludge
After the sludge deodorization treatment is finished, the sludge after the deodorization treatment in the sludge pool can be pumped out through a sludge pump and pumped into a sludge dewatering device for dewatering treatment, and finally the dewatered and dried sludge can be reused as fertilizer.
In summary, the sludge deodorization treatment method based on the multilayer microorganism composite bacterial filler comprises the following specific steps:
(1) and preparing the microbial compound bacteria: placing the microbial strains with the deodorization effect in a culture medium for culturing, and mixing various types of microbial strains to form a complex flora after culturing;
(2) and preparing the composite bacterial filler: fully stirring and mixing the fly ash nano modified material, the corn straw powder, the wheat bran and part of the dried sludge, and then placing the mixture into a mould for compression molding to obtain a molded filler carrier;
(3) and comprehensively preparing the microbial composite bacterial filler: inoculating the composite flora into the filler carrier, wherein the inoculation can adopt a mode of placing the filler carrier in the composite flora liquid for full infiltration so that deodorant bacteria are uniformly attached to the interior of the filler to form a single-layer microorganism composite bacterial filler, then repeating the steps to sequentially prepare a plurality of layers of microorganism composite bacterial fillers,
(4) and (3) burying microbial composite bacteria filler: embedding each microbial composite bacterial filler in a sludge tank layer by layer, and injecting sludge to ensure that the microbial composite bacterial fillers are positioned in the sludge and sewage and the microbial composite bacterial fillers of each layer are arranged in parallel;
(5) and sludge aeration deodorization treatment: the cover plate is arranged above the sludge tank to seal the sludge tank, then oxygen is introduced into the sludge tank to carry out aeration treatment, the activity and the treatment effect of the microorganism composite bacteria are enhanced, the microorganism composite bacteria in each layer of composite bacteria filler degrade the sludge and peculiar smell substances in the sewage, thereby realizing sludge deodorization,
(6) and sludge waste gas circulating treatment: waste odorous gas generated by the sludge tank can be circularly returned to the inside of the sludge tank through the gas induced draft device, and a certain amount of oxygen is added as an air source of the aeration system, so that the multi-layer microorganism composite bacterial filler can circularly deodorize the odorous substances in the waste gas for many times, and the comprehensive deodorization treatment of sludge, sewage and waste gas is realized.
(7) Drying and recycling the sludge: after the sludge deodorization treatment is finished, the sludge after the deodorization treatment in the sludge pool can be pumped out through a sludge pump and pumped into a sludge dewatering device for dewatering treatment, and finally the dewatered and dried sludge can be reused as fertilizer.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A sludge deodorization treatment method based on multilayer microorganism composite bacterial fillers is characterized by comprising the following steps:
(1) preparing microbial compound bacteria;
(2) preparing the composite bacterial filler;
(3) comprehensively preparing the microbial composite bacterial filler;
(4) burying the microbial composite bacteria filler;
(5) performing aeration deodorization treatment on the sludge;
(6) circularly treating the sludge waste gas;
(7) and drying and recycling the sludge.
2. The method for deodorizing sludge based on the multilayer microbial composite bacterial filler according to claim 1, characterized in that the method for deodorizing sludge based on the multilayer microbial composite bacterial filler comprises the following specific steps:
(1) preparation of microorganism composite bacteria
Placing the microbial strains with the deodorization effect in a culture medium for culturing, and mixing various types of microbial strains to form a complex flora after culturing;
(2) preparation of composite bacterial filler
Fully stirring and mixing the fly ash nano modified material, the corn straw powder, the wheat bran and part of the dried sludge, and then placing the mixture into a mould for compression molding to obtain a molded filler carrier;
(3) comprehensive preparation of microbial composite bacterial filler
Inoculating the composite flora into a filler carrier, wherein the inoculation can adopt a mode of placing the filler carrier in a composite flora liquid for full infiltration so that deodorant bacteria are uniformly attached to the interior of the filler to form a single-layer microbial composite bacterial filler, and then repeating the steps to sequentially prepare a plurality of layers of microbial composite bacterial fillers;
(4) microorganism composite bacteria filler landfill
Embedding each microbial composite bacterial filler in a sludge tank layer by layer, and injecting sludge to ensure that the microbial composite bacterial fillers are positioned in the sludge and sewage and the microbial composite bacterial fillers of each layer are arranged in parallel;
(5) and aeration and deodorization treatment of sludge
A cover plate is arranged above the sludge tank to seal the sludge tank, then oxygen is introduced into the sludge tank to carry out aeration treatment, so that the activity and treatment effect of the microbial composite bacteria are enhanced, and the microbial composite bacteria in each layer of composite bacteria filler degrade sludge and peculiar smell substances in sewage, thereby realizing sludge deodorization;
(6) sludge and waste gas circulating treatment
Waste odorous gas generated by the sludge tank can be circularly returned to the inside of the sludge tank through the gas induced draft device, and a certain amount of oxygen is added as a gas source of the aeration system, so that the multi-layer microbial composite bacterial filler can circularly deodorize the odorous substances in the waste gas for many times, and the comprehensive deodorization treatment of sludge, sewage and waste gas is realized;
(7) drying and recycling the sludge
After the sludge deodorization treatment is finished, the sludge after the deodorization treatment in the sludge pool can be pumped out through a sludge pump and pumped into a sludge dewatering device for dewatering treatment, and finally the dewatered and dried sludge can be reused as fertilizer.
3. The sludge deodorization treatment method based on the multilayer microorganism composite bacterial filler as claimed in claim 2, characterized in that: the microorganism composite bacteria is a combination of two or more than two of cellulose decomposition bacteria, alcaligenes faecalis, bacillus, algae dissolving bacteria and the like.
4. The sludge deodorization treatment method based on the multilayer microorganism composite bacterial filler as claimed in claim 2, characterized in that: the composite bacterial filler is prepared from 35-40 parts of fly ash nano modified material, 20-25 parts of corn straw powder, 8-10 parts of wheat bran and 5-10 parts of dried sludge in a mass ratio.
5. The sludge deodorization treatment method based on the multilayer microorganism composite bacterial filler as claimed in claim 2, characterized in that: the microbial composite bacterial filler is provided with three or more layers, and the distances among the microbial composite bacterial fillers in all the layers are equal.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001239242A (en) * | 2000-03-02 | 2001-09-04 | Puraseramu:Kk | Deodorizing device and deodorizing method |
| CN103801256A (en) * | 2013-12-31 | 2014-05-21 | 北京仁创生态环保科技有限公司 | Porous adsorption medium for water treatment and preparation method of porous adsorption medium |
| CN204310866U (en) * | 2014-12-25 | 2015-05-06 | 北京从实和德环保科技有限公司 | A kind of whole process odor removal |
| CN106390735A (en) * | 2015-07-29 | 2017-02-15 | 仁维国际股份有限公司 | Bioreactor |
-
2020
- 2020-08-10 CN CN202010797019.9A patent/CN111908751A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001239242A (en) * | 2000-03-02 | 2001-09-04 | Puraseramu:Kk | Deodorizing device and deodorizing method |
| CN103801256A (en) * | 2013-12-31 | 2014-05-21 | 北京仁创生态环保科技有限公司 | Porous adsorption medium for water treatment and preparation method of porous adsorption medium |
| CN204310866U (en) * | 2014-12-25 | 2015-05-06 | 北京从实和德环保科技有限公司 | A kind of whole process odor removal |
| CN106390735A (en) * | 2015-07-29 | 2017-02-15 | 仁维国际股份有限公司 | Bioreactor |
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