CN110436736A - A kind of Environmental-protection recycling sludge zero discharge integrated processing system - Google Patents
A kind of Environmental-protection recycling sludge zero discharge integrated processing system Download PDFInfo
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- CN110436736A CN110436736A CN201910649805.1A CN201910649805A CN110436736A CN 110436736 A CN110436736 A CN 110436736A CN 201910649805 A CN201910649805 A CN 201910649805A CN 110436736 A CN110436736 A CN 110436736A
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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
- C02F11/04—Anaerobic treatment; Production of methane by such 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
- 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
- C02F11/12—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
- C02F11/125—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using screw filters
-
- 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
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
- C02F2303/10—Energy recovery
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention discloses a kind of Environmental-protection recycling sludge zero discharge integrated processing system, including folding spiral shell primary dewatering system, sludge bioleaching modification and deep dehydration system, sludge at low temperature anhydration system, sludge at low temperature cracking system, residual neat recovering system or sludge anaerobic handle reaction unit, folded spiral shell primary dewatering system and sludge bioleaching modification and deep dehydration system are connected, sludge bioleaching is modified and deep dehydration system is connected with sludge at low temperature anhydration system, sludge at low temperature anhydration system and sludge at low temperature cracking system or sludge anaerobic processing reaction unit are connected, sludge at low temperature cracking system and residual neat recovering system are connected, the water that processing is separated is carried out to sludge by each device and returns to purified treatment in sewage disposal system；Sludge forms organic carbon discharge or sludge resolves into gas repeatedly, is discharged from gas collection tapping equipment, and organic carbon carries out secondary use as new material, thoroughly realizes minimizing, the innoxious, recycling, zero-emission of sludge.
Description
Technical field
The present invention relates to technical field of sludge treatment, and in particular to has arrived a kind of integrated place of Environmental-protection recycling sludge zero discharge
Reason system.
Background technique
In recent years, urban wastewater treatment cause in China's obtains tremendous expansion, greatly changes so that China's water environment obtains
It is kind.But sharply increasing for water treatment plant and sewage load, causes urban wastewater treatment firm to generate in sewage disposal process
Sewage sludge total amount also sharply rises, so that becoming the new environmental pollution in China city threatens source.
Current sludge treating system faces following two main problem: first is that processing cost, processing cost major embodiment
In energy consumption, excessive energy consumption not only waste of resource in sludge treating system operational process, and also expense is high, and it is general to look forward to
Industry is difficult to undertake high charges for water and electricity, and country advocates energy-saving and emission-reduction, and the development of sludge treating system is also toward Environmental-protection recycling
Direction develop.Second is that safely disposing secondary pollution during processing, secondary pollution is mainly manifested in the stench of sludge
With the waste water of generation.
Summary of the invention
The purpose of the present invention is to provide a kind of Environmental-protection recycling sludge zero discharge integrated processing systems, can reduce energy
Consumption, reaches energy saving purpose, to reduce Treatment of Sludge expense, and can prevent the secondary pollution in treatment process.
In order to achieve the above objectives, the present invention provides a kind of Environmental-protection recycling sludge zero discharge integrated processing systems, including
Folded spiral shell primary dewatering system, sludge bioleaching are modified and deep dehydration system, sludge at low temperature anhydration system, sludge at low temperature crack
System, residual neat recovering system or sludge anaerobic handle reaction unit, and described folded spiral shell primary dewatering system one end and sludge organism drip
Leaching is modified and deep dehydration system is connected, and the sludge bioleaching is modified and deep dehydration system one end is done with sludge at low temperature
Change system is connected, and sludge at low temperature anhydration system one end and sludge at low temperature cracking system or sludge anaerobic handle reaction unit
It is connected, sludge at low temperature cracking system one end is connected with residual neat recovering system.
Preferably, the folded spiral shell primary dewatering system includes delivery pump, spiral sludge dewatering machine, chemicals dosing plant, dirt
Pug storehouse, level-one quantify screw conveyor, and the delivery pump is connected by conveyance conduit with spiral sludge dewatering machine, described to add
Medicine device is set to spiral sludge dewatering machine one end and coupled, the spiral sludge dewatering machine other end and level-one sludge material
Storehouse is connected, and the sludge storage bin other end quantifies screw conveyor with level-one and is connected.
Preferably, the sludge bioleaching is modified and deep dehydration system includes bio-modification agent solution tank, stirs
It mixes device, close phase belt deep dehydration machine, secondary sludge feed bin and second level and quantifies screw conveyor, level-one quantifies screw conveyor
One end is connected with bio-modification agent solution tank, and described bio-modification agent solution tank one end is equipped with agitating device and is connected, institute
It states agitating device one end to be connected with close phase belt deep dehydration machine, the close phase belt deep dehydration machine and secondary sludge feed bin
It is connected, the secondary sludge feed bin quantifies screw conveyor with second level and is connected.
Preferably, the sludge at low temperature anhydration system includes that sludge distributing device, low temperature desiccation apparatus and three-level are quantitative
Screw conveyor, the second level quantify screw conveyor and are connected with sludge distributing device, and sludge distributing device one end is equipped with low
Warm desiccation apparatus is simultaneously connected, and low temperature desiccation apparatus one end quantifies screw conveyor with three-level and is connected.
Preferably, the sludge at low temperature cracking system includes that low temperature pyrolyzer device, level Four quantify screw conveyor, storage
Slot is deposited, the three-level quantifies screw conveyor and is connected with low temperature pyrolyzer device, and the low temperature pyrolyzer device is quantitative by level Four
Screw conveyor is connected with reserve tank, and the residual neat recovering system includes heat exchanger, cooling device and level-one sewage treatment dress
It sets, described heat exchanger one end is connected with low temperature pyrolyzer device, and heat exchanger one end low temperature pyrolyzer device is connected, described to change
The hot device other end is connected with cooling device, and the cooling device other end is filled with by conveyance conduit and with level-one sewage treatment
It sets and is connected.
Preferably, sludge at low temperature anhydration system one end is quantified at screw conveyor and sludge anaerobic by three-level
Reason reaction system is connected, and the sludge anaerobic processing reaction system includes at sludge anaerobic processing reaction unit and secondary sewage
Device, gas collection tapping equipment are managed, the three-level quantifies screw conveyor one end sludge anaerobic processing reaction unit and is connected, described
Sludge anaerobic processing reaction unit is connected with secondary sewage processing unit, gas collection tapping equipment respectively.
Using the above structure, the beneficial effect is that:
After each device handles sludge, the water separated empties back into sewage disposal system at purification the present invention
Reason；Sludge forms organic carbon discharge or sludge resolves into carbon dioxide, nitrogen repeatedly, is discharged, has from gas collection tapping equipment
Machine carbon carries out secondary use as new material；The heat generated in the process, which empties back into system, to be recycled, thorough
Bottom realizes the minimizing of sludge, innoxious, recycling, zero-emission.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Environmental-protection recycling sludge zero discharge integrated processing system of the present invention.
In figure: 1- folds spiral shell primary dewatering system, 101- delivery pump, 102- spiral sludge dewatering machine, 103- chemicals dosing plant,
104- sludge storage bin, 105- level-one quantify screw conveyor, and 2- sludge bioleaching is modified and deep dehydration system, 201- are biological
Modifier solution tank, 202- agitating device, the close phase belt deep dehydration machine of 203-, 204- secondary sludge feed bin, 205- second level are fixed
Amount screw conveyor, 3- sludge at low temperature anhydration system, 301- sludge distributing device, 302- low temperature desiccation apparatus, 303- three-level are quantitative
Screw conveyor, 4- sludge at low temperature cracking system, 401- low temperature pyrolyzer device, 402- level Four quantify screw conveyor, 403- storage
Deposit slot, 5- residual neat recovering system, 501- heat exchanger, 502- cooling device, 503- level-one sewage-treatment plant, at 6- sludge anaerobic
Reaction unit is managed, 601- sludge anaerobic handles reaction unit, 602- secondary sewage processing unit, 603- gas collection tapping equipment.
Specific embodiment
Environmental-protection recycling sludge zero discharge integrated processing system of the present invention, including folded spiral shell primary dewatering system, dirt
Mud bioleaching is modified and deep dehydration system, sludge at low temperature anhydration system, sludge at low temperature cracking system, residual neat recovering system or
Sludge anaerobic handles reaction unit.
Embodiment one: the sludge of moisture content 90-95% is lifted into folded spiral shell sludge by delivery pump 101 in sludge concentration tank
Dewaterer 102 adds flocculant into sludge by chemicals dosing plant 103, sludge is made to form big since moisture percentage in sewage sludge is very high
Grain floc sedimentation isolates most free water, absorption water, sludge is made to realize primary dewatering, dehydration under the action of mechanical presses
The about 65-75% of moisture percentage in sewage sludge afterwards, the sludge after primary dewatering are collected in sludge storage bin 104, and level-one is then passed through
Quantitative screw conveyor 105 is delivered to the bio-modification agent solution tank 201 of sludge bioleaching modification and deep dehydration system 2,
By adding bio-modification agent into sludge, Sludge Surface molecular structure changes, and is passing through 203 stirring action of agitating device
Under, hydrophobicity is become by original water imbibition, moisture included in sludge is in the height for flowing to close phase belt deep dehydration machine 203
Extrusion pressure is rapidly separated out, dewatered moisture content of the cake about 48-53%, and sludge is added in the bioleaching modified stage
Bio-modification agent only change the water absorbing properties of sludge, do not change the chemical property of sludge, so the moisture separated can
Continue purified treatment in sludge concentration tank to return to.Mud cake after deep dehydration is collected in secondary sludge feed bin 204, then
Screw conveyor 205, which is quantified, by second level is delivered to progress desiccation dehydration in the low temperature desiccation apparatus 302 of low temperature anhydration system 3,
Due to containing a large amount of organic matter in sludge at this time, there is certain viscosity, so being arranged in 302 front end of low temperature desiccation apparatus
Some sludge distributing devices 301, sludge by distributing device 301 it is broken, squeeze, molding, formed uniform bar be distributed in it is low
The screen surface of warm 302 feed inlet of desiccation apparatus.
Embodiment two: the sludge after desiccation quantifies screw conveyor 303 by three-level and is delivered to sludge at low temperature cracking system 4
Low temperature pyrolyzer device 4 carry out innoxious, recycling treatment, it is poisonous and harmful due to containing a large amount of germ, worm's ovum etc. in sludge
Substance, it is directly agricultural, secondary pollution may be caused to soil, environment, the low temperature pyrolyzer device 4 that this patent uses operates normally
About 300-600 DEG C of temperature, sludge in anaerobic, sealed environment, be killed rapidly, decompose by the poisonous and harmful substances such as germ, worm's ovum,
Organic matter is completely converted into organic carbon discharge, this organic carbon calorific value with higher can directly act on fuel, can also be used as
The raw material of active carbon carries out secondary use.Since sludge enters the certain moisture of oil-containing before cracking system 4, the shape in cracking process
It is discharged at high-temperature vapor, while with a large amount of heat, in order to reduce the energy consumption of cracker, high-temperature vapor is passed through remaining
501 heat exchangers of heat recovery system 5 preheat dewatered sludge, after reuse part energy, are passed through sludge at low temperature desiccation system
In system in 3 hot-water heating system, to hot water carry out heat supply, by steam preheating all of, then by cooling device 502 formed condensation
It is discharged into level-one sewage-treatment plant 503 after water and carries out purified treatment, the organic carbon being converted in low temperature pyrolyzer device 4 by sludge is big
Part, which returns to, carries out burning heat supply in low temperature pyrolyzer device 4, a small amount of discharge is cooled to room temperature, and carries out secondary benefit as new material
With remaining technical solution one is identical.
Embodiment three: the sludge after desiccation quantifies screw conveyor 303 by three-level and is delivered to sludge anaerobic processing reaction
The sludge anaerobic processing reaction unit 601 of system 6 carries out the protein and glycogen of Anaerobic Treatment generation, anti-by iterative cycles
Carbon dioxide, water and nitrogen should be resolved into, carbon dioxide and nitrogen are discharged by gas collection tapping equipment 603, and water passes through second level dirt
Water treatment facilities 602 carries out purified treatment, remaining technical solution one is identical.
Above content is example and explanation of the invention, but does not mean that the obtainable advantage of the present invention is so limited, all
It is wherein one the advantages of may being realized in simple transformation, and/or some embodiments to structure in practice process of the present invention
It is a or it is multiple within the scope of protection of this application.
Claims (6)
1. a kind of Environmental-protection recycling sludge zero discharge integrated processing system, it is characterised in that: including folding spiral shell primary dewatering system
(1), sludge bioleaching modification and deep dehydration system (2), sludge at low temperature anhydration system (3), sludge at low temperature cracking system
(4), residual neat recovering system (5) or sludge anaerobic processing reaction unit (6), described folded spiral shell primary dewatering system (1) one end and dirt
Mud bioleaching is modified and deep dehydration system (2) is connected, the sludge bioleaching modification and deep dehydration system (2) one
End is connected with sludge at low temperature anhydration system (3), described sludge at low temperature anhydration system (3) one end and sludge at low temperature cracking system
(4) or sludge anaerobic processing reaction unit (6) is connected, described sludge at low temperature cracking system (4) one end and residual neat recovering system
(5) it is connected.
2. Environmental-protection recycling sludge zero discharge integrated processing system according to claim 1, it is characterised in that: the folded spiral shell
Primary dewatering system include delivery pump (101), spiral sludge dewatering machine (102), chemicals dosing plant (103), sludge storage bin (104),
Level-one quantifies screw conveyor (105), and the delivery pump (101) is connected by conveyance conduit with spiral sludge dewatering machine (102)
It connects, the chemicals dosing plant (103) is set to spiral sludge dewatering machine (102) one end and coupled, the overlapping screwed sludge dewatering equipment
Machine (102) other end is connected with level-one sludge storage bin (104), and sludge storage bin (104) other end and level-one quantify spiral
Conveyer (105) is connected.
3. Environmental-protection recycling sludge zero discharge integrated processing system according to claim 2, it is characterised in that: the sludge
Bioleaching is modified and deep dehydration system (2) includes bio-modification agent solution tank (201), agitating device (202), close phase belt
Deep dehydration machine (203), secondary sludge feed bin (204) and second level quantify screw conveyor (205), and level-one quantifies screw conveyor
(105) one end is connected with bio-modification agent solution tank (201), and the bio-modification agent solution tank (201) one end is equipped with stirring
Device (202) is simultaneously connected, and described agitating device (202) one end is connected with close phase belt deep dehydration machine (203), described close
Phase belt deep dehydration machine (203) is connected with secondary sludge feed bin (204), and the secondary sludge feed bin (204) and second level are fixed
Amount screw conveyor (205) is connected,
Environmental-protection recycling sludge zero discharge integrated processing system according to claim 3, it is characterised in that: the sludge is low
Warm anhydration system (3) includes that sludge distributing device (301), low temperature desiccation apparatus (302) and three-level quantify screw conveyor (303),
The second level quantifies screw conveyor (205) and is connected with sludge distributing device (301), and described sludge distributing device (301) one end is set
There is low temperature desiccation apparatus (302) and be connected, described low temperature desiccation apparatus (302) one end and three-level quantify screw conveyor
(303) it is connected.
4. Environmental-protection recycling sludge zero discharge integrated processing system according to claim 4, it is characterised in that: the sludge
Low temperature pyrolyzer system (4) includes that low temperature pyrolyzer device (401), level Four quantify screw conveyor (402), reserve tank (403), described
Three-level quantifies screw conveyor (303) and is connected with low temperature pyrolyzer device (401), and the low temperature pyrolyzer device (401) passes through four
Grade quantitative screw conveyor (402) is connected with reserve tank (403).
5. Environmental-protection recycling sludge zero discharge integrated processing system according to claim 5, it is characterised in that: the waste heat
Recovery system (5) includes heat exchanger (501), cooling device (502) and level-one sewage-treatment plant (503), the heat exchanger
(501) one end is connected with low temperature pyrolyzer device (401), and heat exchanger (501) one end low temperature pyrolyzer device (401) is connected
Logical, heat exchanger (501) other end is connected with cooling device (502), cooling device (502) other end with pass through it is defeated
Send pipeline with and level-one sewage-treatment plant (503) be connected.
6. Environmental-protection recycling sludge zero discharge integrated processing system according to claim 4, it is characterised in that: the sludge
Low temperature anhydration system (3) one end quantifies screw conveyor (303) by three-level and connects with sludge anaerobic processing reaction system (6)
Logical, sludge anaerobic processing reaction system (6) includes sludge anaerobic processing reaction unit (601) and secondary sewage processing unit
(602), gas collection tapping equipment (603), the three-level quantify screw conveyor (303) one end sludge anaerobic processing reaction unit
(601) it is connected, sludge anaerobic processing reaction unit (601) is discharged with secondary sewage processing unit (602), gas collection respectively
Device (603) is connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910649805.1A CN110436736A (en) | 2019-07-18 | 2019-07-18 | A kind of Environmental-protection recycling sludge zero discharge integrated processing system |
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| CN201910649805.1A CN110436736A (en) | 2019-07-18 | 2019-07-18 | A kind of Environmental-protection recycling sludge zero discharge integrated processing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186983A (en) * | 2020-02-02 | 2020-05-22 | 江苏科威环保技术有限公司 | Sludge treatment device and treatment method thereof |
| CN113105092A (en) * | 2021-04-19 | 2021-07-13 | 浙江诺曼环保工程技术有限公司 | Low-temperature drying and resource utilization treatment process for aerobic sludge in beer industry |
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2019
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| CN101935139A (en) * | 2010-09-21 | 2011-01-05 | 同济大学 | Method for producing mash gas from municipal sludge through dry method anaerobic fermentation |
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| Title |
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| 全国勘察设计注册环保工程师环保专业管理委员会等编: "《注册环保工程师专业考试复习教材 水污染防治工程技术与实践 上 第4版》", 31 March 2017, 北京：中国环境出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186983A (en) * | 2020-02-02 | 2020-05-22 | 江苏科威环保技术有限公司 | Sludge treatment device and treatment method thereof |
| CN113105092A (en) * | 2021-04-19 | 2021-07-13 | 浙江诺曼环保工程技术有限公司 | Low-temperature drying and resource utilization treatment process for aerobic sludge in beer industry |
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