CN113354221A - Vehicle-mounted small-scale sludge emergency treatment method and treatment device - Google Patents
Vehicle-mounted small-scale sludge emergency treatment method and treatment device Download PDFInfo
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- CN113354221A CN113354221A CN202110544900.2A CN202110544900A CN113354221A CN 113354221 A CN113354221 A CN 113354221A CN 202110544900 A CN202110544900 A CN 202110544900A CN 113354221 A CN113354221 A CN 113354221A
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- 239000010802 sludge Substances 0.000 title claims abstract description 245
- 238000000034 method Methods 0.000 title claims abstract description 27
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000002156 mixing Methods 0.000 claims abstract description 45
- 239000003814 drug Substances 0.000 claims abstract description 36
- 230000001954 sterilising effect Effects 0.000 claims abstract description 21
- 239000000706 filtrate Substances 0.000 claims abstract description 19
- 239000006228 supernatant Substances 0.000 claims abstract description 16
- 230000003750 conditioning effect Effects 0.000 claims abstract description 11
- 239000008394 flocculating agent Substances 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 238000005189 flocculation Methods 0.000 claims abstract description 7
- 230000016615 flocculation Effects 0.000 claims abstract description 7
- 230000001502 supplementing effect Effects 0.000 claims abstract description 4
- 239000002244 precipitate Substances 0.000 claims abstract description 3
- 238000004887 air purification Methods 0.000 claims description 18
- 238000001125 extrusion Methods 0.000 claims description 16
- 238000004659 sterilization and disinfection Methods 0.000 claims description 16
- 239000002912 waste gas Substances 0.000 claims description 7
- 238000001556 precipitation Methods 0.000 claims description 6
- 230000001143 conditioned effect Effects 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 229940079593 drug Drugs 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 241000700605 Viruses Species 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000018044 dehydration Effects 0.000 description 6
- 238000006297 dehydration reaction Methods 0.000 description 6
- 244000052616 bacterial pathogen Species 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000028659 discharge Diseases 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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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
- C02F11/004—Sludge detoxification
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet radiation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/147—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Treatment Of Sludge (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention relates to a vehicle-mounted small-scale sludge emergency treatment method and a vehicle-mounted small-scale sludge emergency treatment device, and belongs to the technical field of environmental protection. The sludge is lifted to the sludge mixing bin by the sludge lifting pump; adding ozone and a sludge conditioner PAM for conditioning, sterilizing and dehydrating; adding a flocculating agent into the filtrate generated after the sludge is dewatered to treat the filtrate, discharging the precipitate formed by flocculation, and supplementing the obtained supernatant into a medicament storage bin to reduce the consumption of clear water; after odor generated in the sludge treatment process in the sludge mixing bin and the sludge dewatering and extruding equipment is collected by an in-vehicle air purifying unit, the odor is purified by ozone prepared in the vehicle; the air inside the vehicle is sterilized by the ultraviolet sterilizing lamp of the air purifying unit inside the vehicle. The sludge treatment capacity of the invention is 900-1500Kg/h, the water content of the sludge with the water content of more than 95 percent is reduced to about 80 percent, the virus killing rate is more than or equal to 99 percent, and the operation cost is reduced by 6 to 8 percent.
Description
Technical Field
The invention belongs to the technical field of environmental protection, and particularly relates to a vehicle-mounted small-scale sludge emergency treatment method and device.
Background
The problems of high dispersion and transportation cost, high construction and operation cost of sludge treatment facilities, high management difficulty and the like of residual sludge and river sludge generated by sewage plants, small-scale sludge of small-scale livestock and poultry farms and the like are urgently solved. And the sludge contains a large amount of microorganisms, pathogenic bacteria and other microorganisms which need to be disinfected so as to reduce the environmental biological risk of the sludge.
At present, vehicle-mounted sludge treatment equipment mainly only reduces sludge, and a large amount of conditioning agents are added in the sludge treatment process, so that the problem of increasing the sludge amount is particularly prominent.
Therefore, in small-scale sludge treatment projects, particularly aiming at the characteristics of rapidness and urgency of small-scale emergency treatment projects, the sludge treatment process and equipment which are stable, reliable, economical, reasonable and flexible in operation are sought, and the requirements for sludge reduction and harmless treatment are very wide.
Disclosure of Invention
Aiming at the characteristics of small-scale distributed sludge treatment, the problems of high construction and operation cost and high management difficulty of distributed sludge treatment are solved, and the vehicle-mounted small-scale sludge emergency treatment device which is high in working efficiency, economical in cost, simple in equipment and convenient to operate is provided for carrying out reduction and harmless treatment on sludge dewatering and disinfection. The method is suitable for small-scale sludge emergency treatment projects, such as rural domestic sludge, urban river sludge and the like.
The purpose of the invention is realized by the following technical scheme:
the invention relates to a vehicle-mounted small-scale sludge emergency treatment method, which comprises the following steps:
s1: lifting the sludge to a sludge mixing bin in the sludge treatment vehicle through a sludge lifting pump;
s2: ozone generated by an ozone generator is mixed with a sludge conditioner PAM, then the mixture is added into a sludge mixing bin, is stirred and mixed with sludge for conditioning the sludge, and the conditioning agent is used for performing contact sterilization on the sludge in the sludge mixing bin;
s3: dehydrating the sludge conditioned in the step S2 in a sludge dehydrating extrusion device;
s4: adding a flocculating agent into the filtrate generated after the sludge dewatering treatment to treat the filtrate, discharging the precipitate formed by flocculation, and supplementing the obtained supernatant into a medicament storage bin;
s5: after odor generated in the sludge treatment process in the sludge mixing bin and the sludge dewatering and extruding equipment is collected by an in-vehicle air purifying unit, the odor is purified by ozone prepared in the vehicle;
s6: the air inside the vehicle is sterilized by the ultraviolet sterilizing lamp of the air purifying unit inside the vehicle.
Preferably, the adding amount of the sludge conditioner PAM added in the step S2 is 2-3% of the volume of the sludge.
Preferably, the concentration of ozone in the step S3 is 20% -30%.
Preferably, in the step S5, the flocculant is PAM, and the addition amount is 1% to 2% of the volume of the filtrate.
The treatment device comprises a sludge lifting pump, a sludge mixing bin, a sludge dewatering and extruding device, an ozone generator, a medicament storage bin and an air purification unit in a vehicle, wherein one end of a sludge pipe of the sludge lifting pump is connected with sludge, the other end of the sludge pipe is connected with the sludge mixing bin in the sludge treatment vehicle, the feeding end of the sludge dewatering and extruding device is connected with the sludge mixing bin, the discharging end of the sludge dewatering and extruding device is provided with a dewatered sludge outlet, a collecting tank is arranged below the sludge mixing bin and the collecting tank, the sludge mixing bin and the collecting tank are both connected with the medicament storage bin through a medicament feeding pipeline, one side of the bottom of the collecting tank is provided with a sludge precipitation outlet, the other side of the bottom of the collecting tank is connected with the medicament storage bin through a supernatant pipeline, supernatant flows back, and the ozone generator is respectively connected with the medicament storage bin and the air purification unit in the vehicle; the air purification unit in the vehicle is also respectively connected with the sludge mixing bin and the sludge dewatering and extruding equipment, collects waste gas and purifies the air in the vehicle.
Preferably, the sludge dewatering extrusion equipment is a plurality of screw presses arranged in parallel, sludge inlets of the screw presses are connected with the sludge mixing bin, and a collecting tank is arranged below the sludge dewatering extrusion equipment.
Preferably, the air purification unit in the vehicle comprises an ozone generator and a plurality of ultraviolet sterilization lamps arranged in the vehicle, a gas collection box of the ozone generator is connected with the air purification unit at the top of the carriage and is connected to the top of the sludge mixing bin and the sludge dewatering extrusion equipment through pipelines to collect waste gas; the ozone generator is connected to the liquid level of the medicament in the medicament storage bin through a pipeline, and gaseous ozone is dissolved in the sludge conditioning medicament for contact disinfection of sludge.
The invention has the beneficial effects that:
the invention realizes sludge reduction and harmless treatment through the treatment processes of the sludge dewatering, sludge disinfection and air disinfection devices, and performs sterilization treatment on waste gas generated in the treatment process, wherein the treatment capacity is 900-1500 Kg/h. Through the treatment process, the water content of the sludge with the water content of more than 95 percent is reduced to about 80 percent, the virus killing rate is more than or equal to 99 percent, and the operation cost is reduced by 6 to 8 percent.
Drawings
FIG. 1 is an overall process flow diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
In the figure: 1. the system comprises a mobile vehicle-mounted unit, 2 an automatic control unit, 3 a dehydration extrusion device, 4 an ozone generator, 5 an air purification unit, 6 a clean water inlet, 7 a sludge inlet, 8 a filtrate flocculation precipitation outlet, 9 a dehydration sludge outlet, 10 a medicament storage bin, 11 an ultraviolet sterilizing lamp, 12 a sludge mixing bin and 13 a collecting tank.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Example (b): the invention relates to a vehicle-mounted small-scale sludge emergency treatment method, which comprises the following steps:
s1: lifting the sludge into a sludge mixing bin 12 in the sludge treatment vehicle through a sludge lifting pump;
s2: ozone generated by the ozone generator 4 is mixed with a sludge conditioner PAM, then the mixture is added into a sludge mixing bin 12, the mixture is stirred and mixed with sludge for conditioning the sludge, and the conditioning agent sludge mixing bin 12 is used for carrying out contact sterilization on the sludge;
s3: dehydrating the sludge conditioned in the step S2 in a sludge dehydrating extrusion device 3;
s4: adding a flocculating agent into the filtrate generated after the sludge dewatering treatment to treat the filtrate, discharging sludge sediment formed by flocculation, and supplementing the obtained supernatant into the medicament storage bin 10;
s5: after odor generated in the sludge treatment process in the sludge mixing bin 12 and the sludge dewatering and extruding equipment 3 is collected by the in-vehicle air purifying unit 5, the odor is purified by ozone prepared in the vehicle;
s6: the air inside the vehicle is sterilized by the ultraviolet sterilizing lamp 11 of the air purifying unit 5 inside the vehicle.
The adding amount of the sludge conditioner PAM added in the step S2 is 2-3% of the volume of the sludge. And in the step S3, the ozone is dissolved in a sludge conditioner PAM solution, and the concentration of the ozone is 20-30%. In the step S5, the flocculating agent is PAM, and the addition amount of the flocculating agent is 1-2% of the volume of the filtrate.
The vehicle-mounted small-scale sludge emergency treatment device comprises a sludge lifting pump, a sludge mixing bin 12, a sludge dewatering extrusion device 3, an ozone generator 4, a medicament storage bin 10 and an in-vehicle air purification unit 5, wherein one end of a sludge pipe of the sludge lifting pump is connected with sludge, the other end of the sludge pipe is connected with the sludge mixing bin 12 in a sludge treatment vehicle, the feeding end of the sludge dewatering extrusion device 3 is connected with the sludge mixing bin 12, the discharging end of the sludge pipe is provided with a dewatered sludge outlet 9, the lower part of the sludge pipe is provided with a collecting tank 13, the sludge mixing bin 12 and the collecting tank 13 are both connected with the medicament storage bin 10 through a medicament feeding pipeline, one side of the bottom of the collecting tank 13 is provided with a filtrate flocculation and precipitation outlet 8, the other side of the bottom of the collecting tank 13 is connected with the medicament storage bin 10 through a supernatant pipeline, supernatant is refluxed, and the ozone generator 4 is respectively connected with the medicament storage bin 10 and the in-vehicle air purification unit 5; the carriage top air purification unit 5 is also connected with the sludge mixing bin 10 and the top of the sludge dewatering and extruding device 3 through pipelines respectively, collects waste gas and purifies air in the vehicle.
The sludge lifting pump is an existing outsourcing device, sludge to be treated is lifted into the sludge treatment vehicle, the sludge lifting pump has good adaptability to sludge with different water contents and sludge with different properties, and the requirement of lifting the sludge into the sludge mixing bin 12 in the sludge treatment vehicle is met so as to meet the condition of subsequent sludge treatment.
The sludge mixing bin 12 is internally provided with a stirrer (existing equipment), the sludge and a sludge conditioner PAM are arranged in the mixing bin, the using amount of the sludge and the sludge conditioner PAM is determined according to the water content of the sludge, the adding amount is generally 2% -3% of the sludge inlet volume, and the ozone concentration is 20% -30%; mixing to condition the sludge, and improving the sludge dewatering performance; mixing with sludge, sterilizing the sludge by contact, and passing through O3The high-energy free radicals generated by decomposition kill pathogenic bacteria in the sludge and the like, thereby ensuring the killing rate of viruses in the sludge. And (3) dehydrating the conditioned sludge in a sludge dehydrating extrusion device (conventional filter pressing dehydration), reducing the water content of the sludge from more than 95% to about 80%, collecting sludge cakes for discharge treatment, and reducing the sludge amount by about 75% after the sludge is subjected to reduction treatment by the sludge dehydrating extrusion device.
The sludge dewatering and extruding equipment 3 is a screw press (existing outsourcing equipment) arranged in parallel and used for dewatering sludge, a collecting tank 13 is arranged below the sludge dewatering and used for collecting extruded filtrate, a medicament storage bin 10 is connected with the collecting tank 13 through a pipeline, a flocculating agent PAM is added into the collecting tank 13 through the medicament storage bin 10, the addition amount is 1% -2% of the volume of the filtrate, so that particulate matters in the filtrate are precipitated and discharged through a flocculation precipitation outlet 8 formed in the bottom of the filtrate; the supernatant is used as the supplement of the water for the medicament storage bin and flows back to the medicament storage bin 10, so that the consumption of clear water resources is reduced.
The in-vehicle air purification unit 5 comprises an ozone generator 4 and a plurality of ultraviolet sterilization lamps 11 arranged on the top wall and the side wall of the in-vehicle interior, a gas collecting box of the ozone generator 4 is connected with the air purification unit 5 on the top of the carriage, the gas collecting box is connected to a sludge mixing bin 12 and the top of the sludge dewatering extrusion equipment 3 through pipelines to collect waste gas, the ozone prepared on site by the ozone generator 4 is used for air purification and sludge disinfection, and the ozone generates high-energy free radicals in the decomposition process to realize odor purification; the ozone generator 4 is connected to the medicament storage bin 10 through a pipeline below the medicament liquid level, and gaseous ozone is dissolved in the sludge conditioning medicament for contact disinfection of sludge. The ultraviolet sterilizing lamps 11 are arranged on the top wall and the side wall of the interior of the automobile and used for sterilizing air in the interior of the automobile, an appropriate number of ultraviolet sterilizing lamp tubes are selected according to the size of the volume of the interior of the automobile, and when the equipment runs, the interior of the automobile is unattended, so that the damage of ultraviolet light to a human body does not exist.
An on-board unit: the above devices were integrated into a vehicle with a car size L W H of about 6.98W 2.29W 3.45 m.
Valves are arranged on all pipelines of the device, an automatic control unit 2 is of the existing structure and is respectively connected with a sludge lifting pump, a sludge discharge pump, a stirrer in a medicament storage bin, a stirrer in a sludge mixing bin, a screw press of a dewatering and extruding unit 3, a supernatant reflux pump, an ozone generator, all pipeline valves, an ozone generator 4 of an air purification unit 5 and an ultraviolet sterilizing lamp 11 to control the on and off of the ozone generator and the pipeline valves.
After sludge is mixed by a conditioner, sterilized by ozone and subjected to spiral dehydration, mud cakes are directly discharged, filtrate is subjected to coagulating sedimentation, and supernatant is used for ozone sterilization of the sludge, so that water can be saved. After the treatment of the process, the sludge is reduced and harmless, the reduction of the sludge after dehydration reaches about 75 percent, the virus killing rate reaches more than 99 percent, and an ultraviolet sterilizing lamp is arranged in the sludge treatment vehicle to sterilize odor generated in the sludge treatment process, so that the air pollution is reduced. The process can reduce the addition of a large amount of medicaments in the traditional sludge dewatering, realize automatic control of equipment, reduce the labor cost and further reduce the sludge treatment cost. In addition, the sludge treatment equipment is integrated in the vehicle, can flexibly move according to the sludge treatment requirement, and is well suitable for projects such as small-scale sludge treatment.
Certain vacation village sludge treatment project not incorporated into municipal pipe network
The daily treatment scale of the project is 10 tons, and the mud inlet/outlet index is shown in table 1.
The project sludge is lifted to a sludge mixing bin through a sludge lifting pump of a sludge treatment vehicle, a certain amount of sludge conditioner is added into the bin to improve the sludge dewatering performance, return water with certain content of ozone is added to kill pathogenic bacteria in the sludge and remove odor in the sludge, the conditioned sludge enters a spiral dewatering machine to be dewatered, the water content of the sludge is reduced to be more than 95% to about 80%, and sludge cakes are dewatered and sterilized to meet the requirement of sludge delivery. After a flocculating agent is added to the filtrate generated by dehydration, flocculating precipitation is directly discharged outside the vehicle, the supernatant is supplemented into the medicament storage bin 10 for ozone sterilization water, the consumption of clean water resources is reduced, and after ozone is blended into the supernatant, pollutants such as COD (chemical oxygen demand) in the supernatant can be decomposed.
The project has low operation cost in practical application, does not need to build sludge treatment facilities, has less sludge, and can be used for other sites needing to treat the sludge after treatment, thereby increasing the service efficiency of the sludge treatment vehicle.
It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.
Claims (7)
1. A vehicle-mounted small-scale sludge emergency treatment method is characterized by comprising the following steps: the method comprises the following steps:
s1: lifting the sludge to a sludge mixing bin in the sludge treatment vehicle through a sludge lifting pump;
s2: ozone generated by an ozone generator is mixed with a sludge conditioner PAM, then the mixture is added into a sludge mixing bin, is stirred and mixed with sludge for conditioning the sludge, and the conditioning agent is used for performing contact sterilization on the sludge in the sludge mixing bin;
s3: dehydrating the sludge conditioned in the step S2 in a sludge dehydrating extrusion device;
s4: adding a flocculating agent into the filtrate generated after the sludge dewatering treatment to treat the filtrate, discharging the precipitate formed by flocculation, and supplementing the obtained supernatant into a medicament storage bin;
s5: after odor generated in the sludge treatment process in the sludge mixing bin and the sludge dewatering and extruding equipment is collected by an in-vehicle air purifying unit, the odor is purified by ozone prepared in the vehicle;
s6: the air inside the vehicle is sterilized by the ultraviolet sterilizing lamp of the air purifying unit inside the vehicle.
2. The emergency treatment method for the vehicle-mounted small-scale sludge according to claim 1, characterized in that: the adding amount of the sludge conditioner PAM added in the step S2 is 2-3% of the volume of the sludge.
3. The emergency treatment method for the vehicle-mounted small-scale sludge according to claim 1, characterized in that: the concentration of the ozone in the step S3 is 20% -30%.
4. The emergency treatment method for the vehicle-mounted small-scale sludge according to claim 1, characterized in that: in the step S5, the flocculating agent is PAM, and the addition amount of the flocculating agent is 1-2% of the volume of the filtrate.
5. The treatment apparatus for the emergency treatment of the vehicle-mounted small-scale sludge according to any one of claims 1 to 4, wherein: the device comprises a sludge lifting pump, a sludge mixing bin, a sludge dewatering extrusion device, an ozone generator, a medicament storage bin and an air purification unit in a vehicle, wherein one end of a sludge pipe of the sludge lifting pump is connected with sludge, the other end of the sludge pipe is connected with the sludge mixing bin in the sludge treatment vehicle, the feeding end of the sludge dewatering extrusion device is connected with the sludge mixing bin, the discharging end of the sludge mixing bin is provided with a dewatered sludge outlet, a collecting tank is arranged below the sludge mixing bin and the collecting tank, the sludge mixing bin and the collecting tank are both connected with the medicament storage bin through a drug adding pipeline, one side of the bottom of the collecting tank is provided with a sludge precipitation outlet, the other side of the bottom of the collecting tank is connected with the medicament storage bin through a supernatant pipeline, supernatant is refluxed, and the ozone generator is respectively connected with the medicament storage bin and the air purification unit in the vehicle; the air purification unit in the vehicle is also respectively connected with the sludge mixing bin and the sludge dewatering and extruding equipment, collects waste gas and purifies the air in the vehicle.
6. The emergency treatment device for the vehicle-mounted small-scale sludge according to claim 1, wherein: the sludge dewatering extrusion equipment is a plurality of screw presses arranged in parallel, sludge inlets of the screw presses are connected with the sludge mixing bin, and a collecting tank is arranged below the screw presses.
7. The emergency treatment device for the vehicle-mounted small-scale sludge according to claim 1, wherein: the air purification unit in the vehicle comprises an ozone generator and a plurality of ultraviolet sterilization lamps arranged in the vehicle, a gas collection box of the ozone generator is connected with the air purification unit at the top of the carriage and is connected to the top of the sludge mixing bin and the sludge dewatering extrusion equipment through pipelines to collect waste gas; the ozone generator is connected to the liquid level of the medicament in the medicament storage bin through a pipeline, and gaseous ozone is dissolved in the sludge conditioning medicament for contact disinfection of sludge.
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| CN202936294U (en) * | 2012-11-09 | 2013-05-15 | 南京中创水务集团股份有限公司 | Novel sludge treatment equipment |
| CN103496837A (en) * | 2013-10-21 | 2014-01-08 | 程中和 | Oily sludge dehydration processing equipment and method thereof |
| CN106277678A (en) * | 2016-10-21 | 2017-01-04 | 深圳市深水水务咨询有限公司 | River bottom mud waterborne moveable processing system |
| CN106915850A (en) * | 2017-04-26 | 2017-07-04 | 王磊 | A kind of portable sewage sludge processing platform |
| CN210915803U (en) * | 2019-07-05 | 2020-07-03 | 东至县佳泽利环境资源科技有限公司 | Be applied to villages and small towns sewage treatment's dual-purpose sludge dewatering equipment |
| CN111285500A (en) * | 2020-03-23 | 2020-06-16 | 泰普斯(福建)环境技术有限责任公司 | Environment-friendly treatment system suitable for toilet excrement is not arranged outward |
| CN213078037U (en) * | 2020-06-04 | 2021-04-30 | 杭州爱新空环境科技有限公司 | Deodorization system of garbage transfer station |
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Application publication date: 20210907 |