CN108187486A - A kind of sludge odor processing method - Google Patents

A kind of sludge odor processing method Download PDF

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Publication number
CN108187486A
CN108187486A CN201810083525.4A CN201810083525A CN108187486A CN 108187486 A CN108187486 A CN 108187486A CN 201810083525 A CN201810083525 A CN 201810083525A CN 108187486 A CN108187486 A CN 108187486A
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Prior art keywords
filter layer
sludge odor
sludge
layer
sprinkling
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Pending
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CN201810083525.4A
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Chinese (zh)
Inventor
陈国防
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JIANGSU FENGYUAN ENVIRONMENTAL TECHNOLOGY ENGINEERING Co Ltd
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JIANGSU FENGYUAN ENVIRONMENTAL TECHNOLOGY ENGINEERING Co Ltd
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Priority to CN201810083525.4A priority Critical patent/CN108187486A/en
Publication of CN108187486A publication Critical patent/CN108187486A/en
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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
    • B01D53/85—Biological processes with gas-solid contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • 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
    • B01D53/02—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 by adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • 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
    • B01D53/14—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 by absorption
    • B01D53/1431—Pretreatment by other processes
    • B01D53/145—Pretreatment by separation of solid or liquid material
    • 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
    • B01D53/26—Drying gases or vapours
    • B01D53/261—Drying gases or vapours by adsorption
    • 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
    • B01D53/26—Drying gases or vapours
    • B01D53/263—Drying gases or vapours by absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/95—Specific microorganisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/40—Absorbents explicitly excluding the presence of water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B01D2253/108—Zeolites
    • 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses a kind of sludge odor processing method, including：Sludge odor is sent to dedusting tank first and is dusted processing, then sludge odor is delivered in sprinkling tank and carries out high temperature sprinkling processing, then sludge odor is delivered in biofiltration reactor, there are three filter layers for setting in biofiltration reactor, three filter layers include from top to bottom spaced wet down filter layer successively, adsorption filter layer and filler filter layer, sludge odor enters biofiltration inside reactor from the bottom of biofiltration reactor, then reducing temperature and humidity filter layer is passed through in bottom-up flowing successively, adsorption filter layer and biologic packing material filter layer, it is discharged after being filtered finally by biologic packing material filter layer from the top of biofiltration reactor；The method of the present invention is suitable for processing, the foul gas of the mud discharging of low concentration, by odorous gas by adsorb, filter and microbiological treatment after discharged by chimney, reduce foul gas concentration, reduce the stink of foul gas.

Description

A kind of sludge odor processing method
Technical field
The present invention relates to a kind of odor treatment method more particularly to a kind of sludge odor processing methods, belong to sludge odor Processing technology field.
Background technology
Sludge is the solid sediment matter as caused by water and sewage disposal process, is the product after sewage disposal, is one The extremely complex heterogeneous body that kind is made of organic debris, microorganism, inorganic particle, colloid etc., high organic content are held Easily degenerate smelly, the foul gas of generation seriously pollutes environment, and foul gas is primarily generated at the blowdown in sewage disposal process Pumping plant, trash rack, aeration settling pit, sludge condensation, dehydration and drying in sludge treatment facilities and sludge handling process turn Fortune, heat drying, compost etc., different treatment facilities and process can generate a variety of different foul gas, odorant type It is various, it derives from a wealth of sources, different degrees of murder by poisoning can all be caused to human body respiration, digestion, angiocarpy, endocrine and nervous system, Wherein aromatic compound such as benzene, toluene, styrene etc. can also make human body generate distortion, canceration, so removing foul gas is One very important work.
Invention content
To solve the deficiencies in the prior art, the present invention provides a kind of sludge odor processing method, suitable for processing, low dense The foul gas of the mud discharging of degree, by odorous gas by adsorb, filter and microbiological treatment after discharged by chimney, reduce Foul gas concentration reduces the stink of foul gas.
The technical solution adopted in the present invention is：
A kind of sludge odor processing method, including：
The sludge odor of collection is sent by air blower to dedusting tank first and is dusted processing, then by the dirt after dust removal process Mud foul smell is delivered in sprinkling tank and carries out high temperature sprinkling processing, and then by high temperature sprinkling, treated that sludge odor is delivered to biology In filtration reactor, filter layer there are three settings, three filter layers are included from top to bottom successively in biofiltration reactor Spaced wet down filter layer, adsorption filter layer and filler filter layer, high temperature sprinkling treated sludge odor is from biology The bottom of filtration reactor enters biofiltration inside reactor, and then bottom-up flowing is filtered successively by reducing temperature and humidity Layer, adsorption filter layer and biologic packing material filter layer, reducing temperature and humidity filter layer carry out reducing temperature and humidity processing to sludge odor first, Then sludge odor is adsorbed by the mineral spike in adsorption filter layer, after being filtered finally by biologic packing material filter layer It is discharged from the top of biofiltration reactor, the biologic packing material filter layer includes several spaced packing layers, each Filler surface in packing layer is attached with microorganism.
As the further preferred of the method for the present invention, the dedusting tank is internally provided with dedusting filtering bag, the dedusting Filter bag is made of to use polyester staple fiber or terylene long fibre as raw material；The long stapled service life one of terylene short fiber peacekeeping terylene As be 4-6 times of glass fabric, have good gas permeability, dust collection efficiency is high, and easy deashing, efficiency of dust collection is up to 98.99%.
As the further preferred of the method for the present invention, high temperature sprinkling processing is that sludge odor sprinkling high-temperature water is steamed Gas, sludge odor bottom-up flowing in sprinkling tank, high-temperature vapor sprays from up to down in sprinkling tank, and high-temperature water steams It is solid-cone body that the sprinkling form formed in the process is spilt in gas blowout；Sludge odor is made all to be sprayed by high-temperature vapor, is improved dirty The contact area of mud foul smell and high-temperature vapor.
As the further preferred of the method for the present invention, the reducing temperature and humidity filter layer is by calcium chloride and active carbon particle Composition, and voidage is 88%；It is flowed from reducing temperature and humidity filter layer convenient for sludge odor, with the chlorine in reducing temperature and humidity filter layer Change calcium and active carbon particle contact.
As the further preferred of the method for the present invention, the mineral spike in the adsorption filter layer includes diatomite and boiling Stone, several zeolites are uniformly added in diatomite, and the voidage of the adsorption filter layer is 75%, convenient for sludge odor from It flows in adsorption filter layer, is contacted with the mineral spike in adsorption filter layer.
As the further preferred of the method for the present invention, the zeolite is irregular block structure, the volume of every perpleexite For 1cm3。
As the further preferred of the method for the present invention, the biologic packing material filter layer includes bottom-up spaced First packing layer, the second packing layer and third packing layer, the spacing distance between two neighboring packing layer are 10cm；Effectively increase Add the contact area of microorganism and sludge odor.
As the further preferred of the method for the present invention, the thickness of first packing layer is 25cm, and described second fills out The thickness of the bed of material is 35cm, and the thickness of the third packing layer is 20cm.
As the further preferred of the method for the present invention, the filler in first packing layer is haydite and wood powder；Second Filler in packing layer is bark and wheat bran, and the filler in third packing layer is the sludge of hay and moisture content below 70%；Its In the fillers sheet such as sludge below 70% of wood powder, bark, wheat bran, hay and moisture content with contain organic nutrient, rise To skeleton and the double effect of nutrient is supplied, when operation suspension, microorganism can utilize the organic principle of filler to continue to life Activity.
As the further preferred of the method for the present invention, the sludge odor is transported into life with the frequency of 2-3 times/h In object filtration reactor；The sludge odor in biofiltration reactor is delivered into every time at least in biofiltration reactor It stops 20 minutes.
The beneficial effects of the present invention are：Suitable for processing, the foul gas of the mud discharging of low concentration, by stink gas Body by adsorb, filter and microbiological treatment after discharged by chimney, reduce foul gas concentration, reduce the smelly of foul gas Taste.
Specific embodiment：
Specific introduction is done to the present invention with reference to embodiment.
The present embodiment is a kind of sludge odor processing method, including：
The sludge odor of collection is sent by air blower to dedusting tank first and is dusted processing, then by the dirt after dust removal process Mud foul smell is delivered in sprinkling tank and carries out high temperature sprinkling processing, and then by high temperature sprinkling, treated that sludge odor is delivered to biology In filtration reactor, there are three filter layers for setting in biofiltration reactor, and three filter layers including being spaced successively from top to bottom Wet down filter layer, adsorption filter layer and the filler filter layer of setting, high temperature sprinkling treated sludge odor is from biofiltration The bottom of reactor enters biofiltration inside reactor, and then bottom-up flowing is successively by reducing temperature and humidity filter layer, suction Attached filter layer and biologic packing material filter layer, reducing temperature and humidity filter layer carry out reducing temperature and humidity processing to sludge odor first, then Sludge odor is adsorbed by the mineral spike in adsorption filter layer, from life after being filtered finally by biologic packing material filter layer The top discharge of object filtration reactor, biologic packing material filter layer includes several spaced packing layers, in each packing layer Filler surface be attached with microorganism.
In the present embodiment, dedusting tank is internally provided with dedusting filtering bag, and dedusting filtering bag is using polyester staple fiber material, in reality Border is in application, can also use terylene long fibre to make dedusting filtering bag for raw material；The long stapled use of terylene short fiber peacekeeping terylene Service life is usually 4-6 times of glass fabric, there is good gas permeability, and dust collection efficiency is high, easy deashing, and efficiency of dust collection is reachable 98.99%。
In the present embodiment, high temperature sprinkling processing is that high-temperature vapor is sprayed to sludge odor, and sludge odor is in sprinkling tank Bottom-up flowing, high-temperature vapor spray from up to down in sprinkling tank, and the spray that high-temperature vapor sprinkling is formed in the process It is solid-cone body to spill form；Sludge odor is made all to be sprayed by high-temperature vapor, improves sludge odor and high-temperature vapor Contact area.
In the present embodiment, reducing temperature and humidity filter layer is made of calcium chloride and active carbon particle, and voidage is 88%；Just It flows from reducing temperature and humidity filter layer in sludge odor, is contacted with the calcium chloride in reducing temperature and humidity filter layer and active carbon particle.
In the present embodiment, the mineral spike in adsorption filter layer includes diatomite and zeolite, several zeolites uniformly add In diatomite, the voidage of adsorption filter layer is 75%, is flowed from adsorption filter layer convenient for sludge odor, with adsorption filtration Mineral spike contact in layer.
In the present embodiment, zeolite is irregular block structure, and the volume per perpleexite is 1cm3。
In the present embodiment, biologic packing material filter layer includes bottom-up spaced first packing layer, the second packing layer And third packing layer, the spacing distance between two neighboring packing layer are 10cm；It is effectively increased microorganism and sludge odor Contact area；Moreover, in the present embodiment, the thickness of the first packing layer is 25cm, and the thickness of the second packing layer is 35cm, and third is filled out The thickness of the bed of material is 20cm, meanwhile, in the present embodiment, the filler in the first packing layer is haydite and wood powder；In second packing layer Filler for bark and wheat bran, the filler in third packing layer is the sludge of hay and moisture content below 70%；Wood therein Contain organic nutrient with the fillers sheets such as the sludge of powder, bark, wheat bran, hay and moisture content below 70%, play skeleton With for the double effect of nutrient, when operation suspension, microorganism can utilize the organic principle of filler continue to vital movement.
In the present embodiment, sludge odor is transported into the frequency of 2 times/h in biofiltration reactor, i.e. conveying every time It is stopped 30 minutes in biofiltration reactor into the sludge odor in biofiltration reactor；In practical application, sludge Foul smell can also be transported into the frequency of 3 times/h in biofiltration reactor, i.e., deliver into biofiltration reaction every time Sludge odor in device stops 20 minutes in biofiltration reactor.
The method of the present invention is suitable for processing, the foul gas of the mud discharging of low concentration, by odorous gas by absorption, It is discharged after filtering and microbiological treatment by chimney, reduces foul gas concentration, reduce the stink of foul gas.
The above is only the preferred embodiment of patent of the present invention, it is noted that for the common skill of the art For art personnel, under the premise of patent principle of the present invention is not departed from, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the protection domain of patent of the present invention.

Claims (10)

1. a kind of sludge odor processing method, which is characterized in that including：
The sludge odor of collection is sent by air blower to dedusting tank first and is dusted processing, then by the dirt after dust removal process Mud foul smell is delivered in sprinkling tank and carries out high temperature sprinkling processing, and then by high temperature sprinkling, treated that sludge odor is delivered to biology In filtration reactor, filter layer there are three settings, three filter layers are included from top to bottom successively in biofiltration reactor Spaced wet down filter layer, adsorption filter layer and filler filter layer, high temperature sprinkling treated sludge odor is from biology The bottom of filtration reactor enters biofiltration inside reactor, and then bottom-up flowing is filtered successively by reducing temperature and humidity Layer, adsorption filter layer and biologic packing material filter layer, reducing temperature and humidity filter layer carry out reducing temperature and humidity processing to sludge odor first, Then sludge odor is adsorbed by the mineral spike in adsorption filter layer, after being filtered finally by biologic packing material filter layer It is discharged from the top of biofiltration reactor, the biologic packing material filter layer includes several spaced packing layers, each Filler surface in packing layer is attached with microorganism.
2. a kind of sludge odor processing method according to claim 1, which is characterized in that set inside the dedusting tank There is dedusting filtering bag, the dedusting filtering bag is made of to use polyester staple fiber or terylene long fibre as raw material.
3. a kind of sludge odor processing method according to claim 1, which is characterized in that the high temperature sprinkling, which is handled, is High-temperature vapor is sprayed to sludge odor, sludge odor bottom-up flowing in sprinkling tank, high-temperature vapor is in sprinkling tank It sprays from up to down, and the sprinkling form that high-temperature vapor sprinkling is formed in the process is solid-cone body.
A kind of 4. sludge odor processing method according to claim 1, which is characterized in that the reducing temperature and humidity filter layer It is made of calcium chloride and active carbon particle, and voidage is 88%.
A kind of 5. sludge odor processing method according to claim 1, which is characterized in that the ore deposit in the adsorption filter layer Object spike includes diatomite and zeolite, several zeolites are uniformly added in diatomite, the voidage of the adsorption filter layer It is 75%.
6. a kind of sludge odor processing method according to claim 5, which is characterized in that the zeolite is irregular block Shape structure, the volume per perpleexite are 1cm3。
A kind of 7. sludge odor processing method according to claim 1, which is characterized in that the biologic packing material filter layer Including bottom-up spaced first packing layer, the second packing layer and third packing layer, between two neighboring packing layer Spacing distance be 10cm.
A kind of 8. sludge odor processing method according to claim 7, which is characterized in that the thickness of first packing layer It spends for 25cm, the thickness of second packing layer is 35cm, and the thickness of the third packing layer is 20cm.
A kind of 9. sludge odor processing method according to claim 7 or 8, which is characterized in that first packing layer In filler be haydite and wood powder；Filler in second packing layer is bark and wheat bran, and the filler in third packing layer is hay With sludge of the moisture content below 70%.
10. a kind of sludge odor processing method according to claim 1, which is characterized in that the sludge odor is with 2-3 The frequency of secondary/h is transported into biofiltration reactor.
CN201810083525.4A 2018-01-29 2018-01-29 A kind of sludge odor processing method Pending CN108187486A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112915774A (en) * 2021-04-06 2021-06-08 广东省南方环保生物科技有限公司 Sludge odor and sewage odor co-processing method and device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050084949A1 (en) * 2003-10-20 2005-04-21 Biorem Technologies, Inc. Biological filter
CN1745883A (en) * 2004-09-11 2006-03-15 中国石油化工股份有限公司 Purification for stink and organic waste gas
KR100608086B1 (en) * 2000-06-07 2006-08-02 삼성엔지니어링 주식회사 Carrier system and treatment process for purifying stinking gas and volatile organic compound
CN102614774A (en) * 2012-04-06 2012-08-01 哈尔滨工业大学 Biological treatment system of sludge odor and method for treating sludge odor by utilizing same
CN204107300U (en) * 2014-08-20 2015-01-21 福建正仁环保有限公司 One way of life refuse odor treatment system
CN106621789A (en) * 2016-12-20 2017-05-10 航天凯天环保科技股份有限公司 Purification device and process of sludge drying and granulation waste gas

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100608086B1 (en) * 2000-06-07 2006-08-02 삼성엔지니어링 주식회사 Carrier system and treatment process for purifying stinking gas and volatile organic compound
US20050084949A1 (en) * 2003-10-20 2005-04-21 Biorem Technologies, Inc. Biological filter
CN1745883A (en) * 2004-09-11 2006-03-15 中国石油化工股份有限公司 Purification for stink and organic waste gas
CN102614774A (en) * 2012-04-06 2012-08-01 哈尔滨工业大学 Biological treatment system of sludge odor and method for treating sludge odor by utilizing same
CN204107300U (en) * 2014-08-20 2015-01-21 福建正仁环保有限公司 One way of life refuse odor treatment system
CN106621789A (en) * 2016-12-20 2017-05-10 航天凯天环保科技股份有限公司 Purification device and process of sludge drying and granulation waste gas

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112915774A (en) * 2021-04-06 2021-06-08 广东省南方环保生物科技有限公司 Sludge odor and sewage odor co-processing method and device
CN112915774B (en) * 2021-04-06 2022-11-29 广东省南方环保生物科技有限公司 Sludge odor and sewage odor co-processing method and device

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Application publication date: 20180622