CN107010808A - A kind of method for handling domestic sludge - Google Patents
A kind of method for handling domestic sludge Download PDFInfo
- Publication number
- CN107010808A CN107010808A CN201710311579.7A CN201710311579A CN107010808A CN 107010808 A CN107010808 A CN 107010808A CN 201710311579 A CN201710311579 A CN 201710311579A CN 107010808 A CN107010808 A CN 107010808A
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- China
- Prior art keywords
- domestic sludge
- mixture
- temperature
- handling
- carried out
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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
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- 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
- C02F11/004—Sludge detoxification
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/027—Lightweight materials
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of method for handling domestic sludge, high-temperature retorting carbonization and high temperature glazing are carried out after to domestic sludge deep dehydration, after it is mixed with auxiliary material, the ceramic product available for sale has been made.The ceramic product can be used for configuration construction timber concrete, realizes harmless treatment and the recycling of domestic sludge, turns waste into wealth.
Description
Technical field
The present invention relates to a kind of method for handling domestic sludge.
Background technology
With the high speed development of social economy, the amount of domestic sludge also cumulative year after year.It is existing to be used to handle domestic sludge
Method be generally Sludge landfill technology, sludge composting technology and sludge incineration technology.Dehydration rate of these three technologies to sludge
Only up to 60% or so, sludge incineration technology can cause secondary pollution, and the impervious barrier used in Sludge landfill technology is water
Mud, underground water pollution can be caused after cement ruptures.
Meanwhile, these three technologies can discharge toxic gas and waste residue, and the recovery of utilization and heavy metal to resource is almost
It is zero, extra economic benefit will not be produced substantially, i.e., can not accomplish innoxious, the recycling treatment to domestic sludge.
The content of the invention
It is an object of the invention to provide a kind of method for handling domestic sludge, accomplish to the harmless of domestic sludge
Change, recycling treatment.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：
A kind of method for handling domestic sludge, comprises the following steps：
（1）Stirring dehydration：Domestic sludge and dehydrating agent are mixed into stirring, made by the dehydrating agent micro- in the domestic sludge
Biological cell wall is ruptured, and the domestic sludge is dehydrated；
（2）Extruding filtering：Domestic sludge extruding after dehydration is filtered into solid-like；
（3）High-frequency microwave detoxifies：The domestic sludge of solid-like is carried out disinfection sterilization by microwave, generation is had into poison gas
Body exports and collects processing；
（4）Coagulation dispensing：Auxiliary material formation mixture is added into the domestic sludge after disinfection；
（5）High-temperature retorting is carbonized：High-temperature retorting carbonization is carried out to the mixture, carbon molecules net is made into, by the domestic sludge
In heavy metal particles be solidificated in the carbon molecules net, formed carbonized mixture；
（6）High temperature glazing：High temperature glazing is carried out to the carbonized mixture, the carbonized mixture is wrapped up by glaze layer, is formed
Haydite.
Preferably, in the step（3）Before, the domestic sludge of solid-like is crushed into powdering.
Preferably, in the step（4）Afterwards, the mixture is squeezed into graininess.
Preferably, in the step（6）Afterwards, concrete is configured by aggregate of the haydite.
Preferably, in the step（3）In, pass sequentially through the life of infrared ray, microwave, ultraviolet to solid-like dirty
Mud carries out disinfection sterilization.
Preferably, in the step（5）In, high-temperature retorting carbonization, the carbon are carried out to the mixture by the kiln that is carbonized
Feed direction of the temperature along the mixture changed in kiln gradually rises, the temperature in the carbonization kiln 300 DEG C -600 DEG C it
Between.
Preferably, in the step（6）In, high temperature coloured glaze glazing, institute are carried out to the carbonized mixture by glaze kiln
The temperature in glaze kiln is stated between 1100 DEG C -1300 DEG C.
Preferably, in the step（3）In, by the toxic gas by being collected processing again after heavy grey room.
Preferably, in the step（4）In, the auxiliary material includes silica, alundum (Al2O3), di-iron trioxide.
Due to the utilization of above-mentioned technical proposal, the present invention has following advantages compared with prior art：A kind of use of the invention
In the method for processing domestic sludge, after to domestic sludge deep dehydration, high-temperature retorting carbon is carried out after it is mixed with auxiliary material
Change and high temperature glazing, the ceramic product available for sale has been made.The ceramic product can be used for configuration construction timber concrete, real
Harmless treatment and the recycling of domestic sludge are showed, have turned waste into wealth.
Embodiment
Technical scheme is further elaborated with reference to specific embodiment.
A kind of method for handling domestic sludge, comprises the following steps：
（1）Stirring dehydration：Domestic sludge and dehydrating agent are put into stirring pool and mix stirring, is made by dehydrating agent in domestic sludge
Microorganism wall rupture, to domestic sludge carry out deep dehydration；
（2）Extruding filtering：Domestic sludge and water after dehydration is passed through in filter press together, by setting the pressure in filter press
Parameter, solid-like is filtered into by domestic sludge extruding；In the present embodiment, by the filter press, three points of domestic sludge decrement is made
Two, reach the purpose of deep dehydration, dewatered sludge；After the step is to the dehydration of domestic sludge, its moisture content as little as 45% with
Under, detoxification.Sterilization rate reaches more than 70%；Domestic sludge is pressed into by filter cake by filter press；
（3）Domestic sludge is crushed by powdering and/or small bulk by cake breaker；
（4）High-frequency microwave detoxifies：The domestic sludge after broken is carried out disinfection sterilization by microwave, the toxic gas of generation is led
Go out and collect processing；Infrared ray, microwave, ultraviolet is passed sequentially through to carry out disinfection to the domestic sludge after broken sterilization；The step
Principle be according to infrared ray, microwave, ultraviolet disinfection characteristic, using high-frequency microwave converter technique, to domestic sludge
Organic molecule carry out chain rupture formula decomposition, short molecular chain is become by long chain, thus change its organic molecule structure and
Chemical property, departs from toxic gas, reaches the purpose of disinfection, and its sterilization effect is more than 90%；
（5）Poison gas processing：Toxic gas is subjected to ash fall by heavy grey room, toxic gas is sent into again recycled afterwards
Handled in equipment；The recycling equipment includes acid ＆ alkali liquid scrubbing tower, and processing method includes plasma, activated carbon, light and touched
The technologies such as matchmaker；
（6）Coagulation dispensing：Auxiliary material formation mixture is added into the domestic sludge after disinfection；In the present embodiment, this is auxiliary
Material includes silica, alundum (Al2O3), di-iron trioxide；
（7）The mixture is squeezed into graininess by specification size as required；
（8）High-temperature retorting is carbonized：High-temperature retorting carbonization is carried out to mixture, makes granular mixture expanded, is made into carbon molecules
Net, the heavy metal particles in domestic sludge are solidificated in carbon molecules net, form carbonized mixture；Heavy metal particles after solidification
It will not again escape and pollute；In the present embodiment, high-temperature retorting carbonization, the carbon are carried out to granular mixture by the kiln that is carbonized
The temperature changed in kiln gradually rises along the feed direction of granular mixture, and the temperature of the carbonization kiln feed end is 300 DEG C, the carbon
The temperature for changing kiln discharge end is 600 DEG C；
（9）High temperature glazing：High temperature glazing is carried out to carbonized mixture, carbonized mixture is wrapped up by glaze layer, haydite is formed；Pass through
Glaze layer wraps up carbonized mixture, completely eliminated organic contamination, heavy metal particles is not escaped again, has reached permanent cured heavy
The purpose of metallic particles；In the present embodiment, carbonized mixture is carried out in high temperature coloured glaze glazing, the glaze kiln by glaze kiln
Temperature between 1100 DEG C -1300 DEG C；By carrying out high temperature coloured glaze glazing to carbonized mixture, carbonized particles are not only increased
Hardness, while protecting carbon molecules net；And water imbibition is reduced, heat-insulating property is improved；Haydite is exported from glaze kiln
When, its temperature is at 800 DEG C or so；By in step（6）Middle addition silica, adds the hardness of haydite；By in step
（6）Middle addition alundum (Al2O3) and di-iron trioxide, improve the anti-corrosive properties of haydite；
（10）Light aggregate concrete is configured by aggregate of the haydite, water used herein can use step（2）In obtained dirt
Water, realizes the zero-emission of waste water；Using building block and the shaping mechanism of concrete foaming technique into lightweight concrete building block and self-insurance
Warm concrete compound block；Harmless treatment and the recycling of domestic sludge are realized, is turned waste into wealth.
Haydite prepared by the present embodiment method, its bulk density is 730kg/m3；Its cylindrical compress strength is 6.0Mpa；Per hour
Water absorption rate is only 5%；Coefficient of softing is 0.9；Grain type coefficient is 1.6.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and be carried out, and it is not intended to limit the scope of the present invention, all according to the present invention
The equivalent change or modification that Spirit Essence is made, should all cover within the scope of the present invention.
Claims (9)
1. a kind of method for handling domestic sludge, it is characterised in that：Comprise the following steps：
（1）Stirring dehydration：Domestic sludge and dehydrating agent are mixed into stirring, made by the dehydrating agent micro- in the domestic sludge
Biological cell wall is ruptured, and the domestic sludge is dehydrated；
（2）Extruding filtering：Domestic sludge extruding after dehydration is filtered into solid-like；
（3）High-frequency microwave detoxifies：The domestic sludge of solid-like is carried out disinfection sterilization by microwave, generation is had into poison gas
Body exports and collects processing；
（4）Coagulation dispensing：Auxiliary material formation mixture is added into the domestic sludge after disinfection；
（5）High-temperature retorting is carbonized：High-temperature retorting carbonization is carried out to the mixture, carbon molecules net is made into, by the domestic sludge
In heavy metal particles be solidificated in the carbon molecules net, formed carbonized mixture；
（6）High temperature glazing：High temperature glazing is carried out to the carbonized mixture, the carbonized mixture is wrapped up by glaze layer, is formed
Haydite.
2. a kind of method for handling domestic sludge according to claim 1, it is characterised in that：In the step（3）
Before, the domestic sludge of solid-like is crushed into powdering.
3. a kind of method for handling domestic sludge according to claim 1, it is characterised in that：In the step（4）
Afterwards, the mixture is squeezed into graininess.
4. a kind of method for handling domestic sludge according to claim 1, it is characterised in that：In the step（6）
Afterwards, concrete is configured by aggregate of the haydite.
5. a kind of method for handling domestic sludge according to claim 1, it is characterised in that：In the step（3）
In, pass sequentially through infrared ray, microwave, ultraviolet and the domestic sludge of solid-like is carried out disinfection sterilization.
6. a kind of method for handling domestic sludge according to claim 1, it is characterised in that：In the step（5）
In, temperature the sending along the mixture in high-temperature retorting carbonization, the carbonization kiln is carried out to the mixture by the kiln that is carbonized
Material direction gradually rises, and the temperature in the carbonization kiln is between 300 DEG C -600 DEG C.
7. a kind of method for handling domestic sludge according to claim 1, it is characterised in that：In the step（6）
In, high temperature coloured glaze glazing is carried out to the carbonized mixture by glaze kiln, the temperature in the glaze kiln is at 1100 DEG C -1300
Between DEG C.
8. a kind of method for handling domestic sludge according to claim 1, it is characterised in that：In the step（3）
In, by the toxic gas by being collected processing again after heavy grey room.
9. a kind of method for handling domestic sludge according to claim 1, it is characterised in that：In the step（4）
In, the auxiliary material includes silica, alundum (Al2O3), di-iron trioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311579.7A CN107010808B (en) | 2017-05-05 | 2017-05-05 | Method for treating domestic sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311579.7A CN107010808B (en) | 2017-05-05 | 2017-05-05 | Method for treating domestic sludge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107010808A true CN107010808A (en) | 2017-08-04 |
| CN107010808B CN107010808B (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710311579.7A Active CN107010808B (en) | 2017-05-05 | 2017-05-05 | Method for treating domestic sludge |
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| Country | Link |
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| CN (1) | CN107010808B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109485232A (en) * | 2018-12-12 | 2019-03-19 | 河南力诚环保科技有限公司 | A kind of medicament for deeply dehydrating sludge, method and device |
| CN114835470A (en) * | 2022-04-08 | 2022-08-02 | 广州市净水有限公司 | Method for preparing ceramic artware by utilizing dried sludge |
| CN115707674A (en) * | 2022-11-02 | 2023-02-21 | 中建能源管理(辽宁)有限公司 | Method for treating domestic sludge by fermenting ultrahigh-temperature aerobic microorganisms |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792247A (en) * | 2010-03-19 | 2010-08-04 | 杭州新源环境工程有限公司 | Sludge treatment method capable of combining powerful dehydration with low-temperature mummification |
| CN102491731A (en) * | 2011-12-08 | 2012-06-13 | 复旦大学 | Preparation method of biological ceramsite |
| CN102875003A (en) * | 2012-11-05 | 2013-01-16 | 天津城市建设学院 | Integrated technology of thermal decomposing, dry distilling and gasifying sludge and preparing of ceramsite |
-
2017
- 2017-05-05 CN CN201710311579.7A patent/CN107010808B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792247A (en) * | 2010-03-19 | 2010-08-04 | 杭州新源环境工程有限公司 | Sludge treatment method capable of combining powerful dehydration with low-temperature mummification |
| CN102491731A (en) * | 2011-12-08 | 2012-06-13 | 复旦大学 | Preparation method of biological ceramsite |
| CN102875003A (en) * | 2012-11-05 | 2013-01-16 | 天津城市建设学院 | Integrated technology of thermal decomposing, dry distilling and gasifying sludge and preparing of ceramsite |
Non-Patent Citations (1)
| Title |
|---|
| 段光复: "《电镀废水处理及回用技术手册》", 30 June 2016 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109485232A (en) * | 2018-12-12 | 2019-03-19 | 河南力诚环保科技有限公司 | A kind of medicament for deeply dehydrating sludge, method and device |
| CN114835470A (en) * | 2022-04-08 | 2022-08-02 | 广州市净水有限公司 | Method for preparing ceramic artware by utilizing dried sludge |
| CN115707674A (en) * | 2022-11-02 | 2023-02-21 | 中建能源管理(辽宁)有限公司 | Method for treating domestic sludge by fermenting ultrahigh-temperature aerobic microorganisms |
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| Publication number | Publication date |
|---|---|
| CN107010808B (en) | 2020-08-04 |
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Effective date of registration: 20170829 Address after: East Lake Garden yangshe Jiangsu province 215600 Suzhou Zhangjiagang city 13 Building 601 Applicant after: Li Suqing Applicant after: Li Wendong Address before: 215699, No. 10, Tang Qiao Road, Zhangjiagang Economic Development Zone (South District, Suzhou, Jiangsu) Applicant before: ZHANGJIAGANG RUISAIKE ECOLOGICAL TECHNOLOGY CO.,LTD. |
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Application publication date: 20170804 Assignee: Guangdong Jiayuan Environmental Protection Group Co.,Ltd. Assignor: Li Suqing|Li Wendong Contract record no.: X2021980010496 Denomination of invention: A method for treating domestic sludge Granted publication date: 20200804 License type: Exclusive License Record date: 20211009 |
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Assignee: Guangdong Jiayuan Environmental Protection Group Co.,Ltd. Assignor: Li Suqing|Li Wendong Contract record no.: X2021980010496 Date of cancellation: 20221031 |
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