CN104787995A - Sludge treatment system and treatment method - Google Patents
Sludge treatment system and treatment method Download PDFInfo
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- CN104787995A CN104787995A CN201510174961.9A CN201510174961A CN104787995A CN 104787995 A CN104787995 A CN 104787995A CN 201510174961 A CN201510174961 A CN 201510174961A CN 104787995 A CN104787995 A CN 104787995A
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- kiln
- mud
- stirrer
- heating water
- dominant bacteria
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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
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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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- 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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/46—Solid fuels essentially based on materials of non-mineral origin on sewage, house, or town refuse
-
- 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
- C02F2303/06—Sludge reduction, e.g. by lysis
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Treatment Of Sludge (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
Abstract
The invention discloses a sludge treatment system and a treatment method. The sludge treatment system comprises a stirrer, a dominant bacteria sprayer, a biological drying workshop, a drying granulation device and an air purification device, wherein a first conveying belt is arranged between the stirrer and the biological drying workshop; the nozzle of the dominant bacteria sprayer is positioned above a feed opening of the stirrer; the drying granulation device comprises a rotary kiln and a heating furnace; a raising plate is arranged inside the rotary kiln; a heating water jacket is arranged on the outer surface of the rotary kiln; a feed opening and an air inlet are formed in one end of the rotary kiln, and a discharge opening and an air outlet are formed in the other end of the rotary kiln; the heating furnace is provided with a heating water layer; the heat outlet of the heating furnace is connected with the air inlet of the rotary kiln; a second conveying belt is arranged between the biological drying workshop and the feed opening of the rotary kiln; the heating water jacket is connected with the heating water layer; the air purification device is connected with the air outlet of the rotary kiln. Reduction of pollution caused by sludge and waste utilization are realized.
Description
Technical field
The present invention relates to mechanical means, particularly relate to a kind of sludge treating system and treatment process.
Background technology
At present, along with the increase gradually of the daily water yield, the sewage load of sewage work every day also increases gradually, accordingly, a large amount of mud will be produced in sewage treatment process, and in the treating processes of mud, be usually directly discarded in the PEs such as farmland, river, ocean, become new source of pollution.But, also contain a large amount of energy in mud, how to have designed and a kind ofly reduce sludge pollution and the equipment that can make full use of mud contained energy is technical problem to be solved by this invention.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of sludge treating system and treatment process, realizes reducing the pollution that causes of mud by sludge treating system, and makes full use of mud contained energy and realize utilization of waste material.
Technical scheme provided by the invention is, a kind of sludge treating system, comprises stirrer, dominant bacteria sprinker, biological dewatered workshop, dries granulating equipment and air-purification unit, the first conveying belt is provided with between described stirrer and described biological dewatered workshop, the shower nozzle of described dominant bacteria sprinker is positioned at above the feeding mouth of described stirrer, described oven dry granulating equipment comprises kiln and process furnace, described kiln inside is provided with material delivering plate, the outside surface of described kiln is provided with heating water jacket, one end of described kiln is provided with opening for feed and inlet mouth, the other end of described kiln is provided with discharge port and air outlet, described process furnace has heating water layer, the heat outlet of described process furnace is connected with the inlet mouth of described kiln, the second conveying belt is provided with between described biological dewatered workshop and the opening for feed of described kiln, described heating water jacket is connected with described heating water layer, described air-purification unit is connected with the air outlet of described kiln.
Further, described stirrer comprises materials-stored box and Duo Gen screw shaft, and one end of described materials-stored box is provided with feeding mouth, and the other end of described materials-stored box is provided with discharge gate, and described screw shaft is rotating to be connected in described materials-stored box.
Further, described in every root, screw shaft is connected with drive-motor.
Further, described heating water jacket is tube-in-tube structure, and one end of described tube-in-tube structure has water-in, and the other end of described tube-in-tube structure has water return outlet, and described tube-in-tube structure is coated on the outside of described kiln.
Further, described heating water jacket is coil arrangement, and described coil arrangement is wrapped in the outside of described kiln.
Further, Temperature Humidity Sensor is provided with in described biological dewatered workshop.
The present invention also provides a kind of method for sludge treatment, and adopt above-mentioned sludge treating system, concrete steps comprise:
Step 1: batch mixing, puts into stirrer by mud and on mud, sprays dominant bacteria by dominant bacteria sprinker, and mud and dominant bacteria to be stirred by stirrer and form mud compound;
Step 2: biological dewatered, delivers to biological dewatered workshop by the first conveying belt by mud compound, and mud compound carries out sufficient natural mummification in biological dewatered workshop;
Step 3: dry granulation, by the second conveying belt, the mud compound after mummification is delivered in kiln again, kiln rotates through material delivering plate and mud compound is rolled in kiln, the high temperature hot gas that process furnace produces enters in large kiln carries out heating, drying to mud compound, meanwhile, the hot water in the heating water layer of process furnace enters into heating water jacket and further carries out heating, drying to the mud compound of kiln.
Further, described step 1 is specially: mud and plant material are together put into stirrer and on mud, sprays dominant bacteria by dominant bacteria sprinker.
Further, the weight ratio of mud and plant material is 10: (1 ~ 3), and the weight ratio of mud and dominant bacteria is 500: (2 ~ 3).
Compared with prior art, advantage of the present invention and positively effect are: sludge treating system provided by the invention and treatment process, mud and dominant bacteria can be mixed fully by stirrer and form mud compound, mud compound enters into biological dewatered workshop and carries out nature mummification, under the effect of dominant bacteria, spontaneous heating is carried out mummification to realize the quick removal of moisture by mud compound, mud compound after mummification carries out oven dry granulation by kiln, process furnace produce high temperature hot gas by rapidly and efficiently the mud compound entering into kiln is carried out heating, drying, and the temperature that the heating water jacket that kiln is arranged can keep the end of kiln to keep higher, guarantee that mud compound also can obtain enough heats at the end of kiln and dry, to reduce the water content that biomass fuel pellet is made in final acquisition, improve product quality, simultaneously, the tail gas that kiln is discharged realizes by air-purification unit process the requirement that no pollution discharge meets environmental protection, realize the pollution caused by sludge treating system reduction mud, and make full use of mud contained energy and realize utilization of waste material.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of sludge treating system embodiment of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the present embodiment sludge treating system, comprises stirrer 1, dominant bacteria sprinker 2, biological dewatered workshop 3, dries granulating equipment 4 and air-purification unit 5, the first conveying belt 61 is provided with between described stirrer 1 and described biological dewatered workshop 3, the shower nozzle 21 of described dominant bacteria sprinker 2 is positioned at above the feeding mouth 11 of described stirrer 1, described oven dry granulating equipment 4 comprises kiln 41 and process furnace 42, described kiln 41 inside is provided with material delivering plate (not shown), the outside surface of described kiln 41 is provided with heating water jacket 411, one end of described kiln 41 is provided with opening for feed (not shown) and inlet mouth (not shown), the other end of described kiln 41 is provided with discharge port (not shown) and air outlet (not shown), described process furnace 42 has heating water layer 421, the heat outlet (not shown) of described process furnace 42 is connected with the inlet mouth of described kiln 41, the second conveying belt 62 is provided with between described biological dewatered workshop 2 and the opening for feed of described kiln 41, described heating water jacket 411 is connected with described heating water layer 421, described air-purification unit 5 is connected with the air outlet of described kiln 41.
Specifically, the present embodiment sludge treating system sprays dominant bacteria by dominant bacteria sprinker 2 in stirrer 1, and stirrer 1 forms mud compound together with uniform to dominant bacteria and mud stirring and evenly mixing, mud compound is transported in biological dewatered workshop 3 by the first conveying belt 61, spontaneous heating is carried out mummification by mud compound under the effect of dominant bacteria, sludge organism mummification required time is 8-10 days, wherein 1-4 days temperature are from the highest 65-70 DEG C of normal temperature appreciation, within 5-7 days, temperature is down to 50-60 DEG C, within 8-10 days, temperature remains on 40-50 DEG C, the activity of dominant bacteria can make the intercellular substance water in mud and intracellular water activate, moisture is made to raise along with temperature and evaporate, realize the dehydration and drying to mud, and without the need to relying on environment's heat, dominant bacteria can also make the metal in mud separate out, stable state is become by chemical combination state, and be finally solidificated in the slag after biomass fuel combustion.The dominant bacteria high temperature mummification stage has killed pathogenic bacteria in mud and parasitic ovum, realize innoxious, make the water ratio of the mud compound after the mummification exported from biological dewatered workshop 3 about 40%, realize minimizing, dry after granulation through compound cycle granulation stoving oven, make biomass fuel, realize resource utilization.Mud compound after mummification is transported in kiln 41 by the second conveying belt 62, process furnace 42 can adopt fire coal, the heat form such as combustion gas or fuel oil, the heat part that process furnace 42 produces enters into kiln 41 by high-temperature gas and directly heats the mud compound of kiln 41, another part heat heated the water in heating water layer 421, hot water circulation in heating water layer 421 flow in the heating water jacket 411 outside kiln 41, heating water jacket 411 can guarantee that kiln 41 afterbody still has higher temperature, avoid kiln 41 tail temperature too low and oven dry granulation cannot be carried out, improve the yield rate of drying granulation, mud compound rolls at kiln 41 and can drying forming be biomass fuel pellet by material delivering plate, and carried by the 3rd conveying belt 63 between the discharge port that is arranged on kiln 41 and stockyard 7.Meanwhile, process furnace 42 is input to hot gas in kiln 41 after drying mud compound, is discharged into the external world through air-purification unit 5, realizes the discharge of nuisanceless no pollution.
Wherein, in order to improve stirring efficiency and optimize Blending Efficiency of Blending, stirrer 1 comprises materials-stored box 11 and Duo Gen screw shaft 12, one end of described materials-stored box 11 is provided with feeding mouth (not shown), the other end of described materials-stored box 11 is provided with discharge gate (not shown), and described screw shaft 12 is rotating to be connected in described materials-stored box 11.Concrete, cooperatively interacted by many screw shaft 12 and stir and promote mud and move forward, can more effective raising stirring efficiency, and the mud that many screw shaft 12 stir influences each other, and makes Blending Efficiency of Blending better.And screw shaft 12 is connected with drive-motor 13 described in every root.
In addition, described heating water jacket 42 can be tube-in-tube structure, and one end of described tube-in-tube structure has water-in, and the other end of described tube-in-tube structure has water return outlet, and described tube-in-tube structure is coated on the outside of described kiln 41; Or heating water jacket 42 is coil arrangement, described coil arrangement is wrapped in the outside of described kiln 41.
Preferably, be provided with Temperature Humidity Sensor (not shown) in described biological dewatered workshop 2, meanwhile, the present embodiment sludge treating system can also be configured with TV visible system, infrared system and computer system etc., realizes Automated condtrol monitoring.
The present invention also provides a kind of method for sludge treatment, and adopt above-mentioned sludge treating system, concrete steps comprise:
Step 1: batch mixing, puts into stirrer by mud and on mud, sprays dominant bacteria by dominant bacteria sprinker, and mud and dominant bacteria to be stirred by stirrer and form mud compound.Preferably, mud and plant material are together put into stirrer and on mud, sprays dominant bacteria by dominant bacteria sprinker, wherein, plant material can utilize the branch of afforestation waste, leaf, agricultural crop straw and wood chip etc. " three surplus things ", achieve the recycle of agriculture and forestry organic waste material, and plant material is as auxiliary material, for the activity of dominant bacteria provides carbon source, improve the permeability of mud, be beneficial to the mummification speed improving mud, improve the calorific value of biomass fuel.Preferably, the weight ratio of mud and plant material is 10: (1 ~ 3), and the weight ratio of mud and dominant bacteria is 500: (2 ~ 3).
Step 2: biological dewatered, delivers to biological dewatered workshop by the first conveying belt by mud compound, and mud compound carries out sufficient natural mummification in biological dewatered workshop;
Step 3: dry granulation, by the second conveying belt, the mud compound after mummification is delivered in kiln again, kiln rotates through material delivering plate and mud compound is rolled in kiln, the high temperature hot gas that process furnace produces enters in large kiln carries out heating, drying to mud compound, meanwhile, the hot water in the heating water layer of process furnace enters into heating water jacket and further carries out heating, drying to the mud compound of kiln.
Sludge treating system provided by the invention and treatment process, mud and dominant bacteria can be mixed fully by stirrer and form mud compound, mud compound enters into biological dewatered workshop and carries out nature mummification, under the effect of dominant bacteria, spontaneous heating is carried out mummification to realize the quick removal of moisture by mud compound, mud compound after mummification carries out oven dry granulation by kiln, process furnace produce high temperature hot gas by rapidly and efficiently the mud compound entering into kiln is carried out heating, drying, and the temperature that the heating water jacket that kiln is arranged can keep the end of kiln to keep higher, guarantee that mud compound also can obtain enough heats at the end of kiln and dry, to reduce the water content that biomass fuel pellet is made in final acquisition, improve product quality, simultaneously, the tail gas that kiln is discharged realizes by air-purification unit process the requirement that no pollution discharge meets environmental protection, realize the pollution caused by sludge treating system reduction mud, and make full use of mud contained energy and realize utilization of waste material.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a sludge treating system, is characterized in that, comprises stirrer, dominant bacteria sprinker, biological dewatered workshop, dries granulating equipment and air-purification unit, the first conveying belt is provided with between described stirrer and described biological dewatered workshop, the shower nozzle of described dominant bacteria sprinker is positioned at above the feeding mouth of described stirrer, described oven dry granulating equipment comprises kiln and process furnace, described kiln inside is provided with material delivering plate, the outside surface of described kiln is provided with heating water jacket, one end of described kiln is provided with opening for feed and inlet mouth, the other end of described kiln is provided with discharge port and air outlet, described process furnace has heating water layer, the heat outlet of described process furnace is connected with the inlet mouth of described kiln, the second conveying belt is provided with between described biological dewatered workshop and the opening for feed of described kiln, described heating water jacket is connected with described heating water layer, described air-purification unit is connected with the air outlet of described kiln.
2. sludge treating system according to claim 1, it is characterized in that, described stirrer comprises materials-stored box and Duo Gen screw shaft, and one end of described materials-stored box is provided with feeding mouth, the other end of described materials-stored box is provided with discharge gate, and described screw shaft is rotating to be connected in described materials-stored box.
3. sludge treating system according to claim 2, is characterized in that, described in every root, screw shaft is connected with drive-motor.
4. sludge treating system according to claim 1, it is characterized in that, described heating water jacket is tube-in-tube structure, and one end of described tube-in-tube structure has water-in, the other end of described tube-in-tube structure has water return outlet, and described tube-in-tube structure is coated on the outside of described kiln.
5. sludge treating system according to claim 1, is characterized in that, described heating water jacket is coil arrangement, and described coil arrangement is wrapped in the outside of described kiln.
6. sludge treating system according to claim 1, is characterized in that, is provided with Temperature Humidity Sensor in described biological dewatered workshop.
7. a method for sludge treatment, is characterized in that, adopt as arbitrary in claim 1-6 as described in sludge treating system, concrete steps comprise:
Step 1: batch mixing, puts into stirrer by mud and on mud, sprays dominant bacteria by dominant bacteria sprinker, and mud and dominant bacteria to be stirred by stirrer and form mud compound;
Step 2: biological dewatered, delivers to biological dewatered workshop by the first conveying belt by mud compound, and mud compound carries out sufficient natural mummification in biological dewatered workshop;
Step 3: dry granulation, by the second conveying belt, the mud compound after mummification is delivered in kiln again, kiln rotates through material delivering plate and mud compound is rolled in kiln, the high temperature hot gas that process furnace produces enters in large kiln carries out heating, drying to mud compound, meanwhile, the hot water in the heating water layer of process furnace enters into heating water jacket and further carries out heating, drying to the mud compound of kiln.
8. according to method for sludge treatment according to claim 7, it is characterized in that, described step 1 is specially: mud and plant material are together put into stirrer and on mud, sprays dominant bacteria by dominant bacteria sprinker.
9. according to method for sludge treatment according to claim 8, it is characterized in that, the weight ratio of mud and plant material is 10: (1 ~ 3), and the weight ratio of mud and dominant bacteria is 500: (2 ~ 3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510174961.9A CN104787995B (en) | 2015-04-15 | 2015-04-15 | Sludge treatment system and treatment method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510174961.9A CN104787995B (en) | 2015-04-15 | 2015-04-15 | Sludge treatment system and treatment method |
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| CN104787995A true CN104787995A (en) | 2015-07-22 |
| CN104787995B CN104787995B (en) | 2017-01-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108759369A (en) * | 2018-05-25 | 2018-11-06 | 江苏泰瑞耐火有限公司 | Environmentally friendly roller drier |
| CN111253991A (en) * | 2020-03-27 | 2020-06-09 | 刘国庆 | Biomass fuel processing method and processing system |
| CN114447464A (en) * | 2021-12-16 | 2022-05-06 | 山东天力能源股份有限公司 | High-temperature pyrolysis treatment system and method for waste lithium batteries |
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| CN114447464A (en) * | 2021-12-16 | 2022-05-06 | 山东天力能源股份有限公司 | High-temperature pyrolysis treatment system and method for waste lithium batteries |
| CN114447464B (en) * | 2021-12-16 | 2024-04-16 | 山东天力能源股份有限公司 | Waste lithium battery high-temperature pyrolysis treatment system and method |
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| CN104787995B (en) | 2017-01-18 |
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