CN202705209U - Screw extrusion type sludge deep dewatering granulator - Google Patents

Screw extrusion type sludge deep dewatering granulator Download PDF

Info

Publication number
CN202705209U
CN202705209U CN 201220398200 CN201220398200U CN202705209U CN 202705209 U CN202705209 U CN 202705209U CN 201220398200 CN201220398200 CN 201220398200 CN 201220398200 U CN201220398200 U CN 201220398200U CN 202705209 U CN202705209 U CN 202705209U
Authority
CN
China
Prior art keywords
sludge
screw rod
mud cake
mud
cartridge filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN 201220398200
Other languages
Chinese (zh)
Inventor
柳建国
柳思佳
Original Assignee
柳建国
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 柳建国 filed Critical 柳建国
Priority to CN 201220398200 priority Critical patent/CN202705209U/en
Application granted granted Critical
Publication of CN202705209U publication Critical patent/CN202705209U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Abstract

The utility model relates to biological sludge processing equipment, in particular to a screw extrusion type sludge deep dewatering granulator. A sludge concentration mechanism, a dewatering mechanism and a granulation mechanism are arranged on a support. The sludge concentration and dewatering mechanism comprises a filter barrel and a screw, wherein two ends of the filter barrel (5) are fixedly installed on two sides of a machine support (15), the screw (4) is positioned in the filter barrel, and two ends of the screw are installed on the machine support through bearings. The main transmission end of the screw is connected with a transmission mechanism, an organic dilute sludge inlet (3) is arranged at one end of the filter barrel, an organic sludge cake extruding port is arranged at the other end of the filter barrel, the granulation mechanism is correspondingly arranged with the sludge cake extruding port in a matched mode, and the granulation mechanism and the screw (4) are coaxially arranged. The screw extrusion type sludge deep dewatering granulator is a mechanical method except an existing landfill method, an existing burning method, an existing composting method and an existing biological method at home and board, enables complex biological sludge dewater, concentrating, transporting and processing processes to be simple and unattended to operate, and also enables biological sludge process to truly be environmental-protection and profitable industries.

Description

A kind of screw rod extrusion type deeply dehydrating sludge tablets press
Technical field
The utility model relates to a kind of biological sludge processing units, particularly relates to a kind of biological sludge deep processing equipment that adopts mechanical process biological sludge to be processed, produced high-quality fertilizer.
Background technology
The in recent years sewage disposal work of China has had unprecedented development; huge effect is being played aspect the solution water pollution problems by sewage work; alleviated to a great extent the crisis that China's water pollutes, but the large number of biological mud that most of sewage works produce disposing of sewage how dispose by safe handling at a loss what to do.At present China's biological sludge year generation has reached more than 3,000 ten thousand tons (80% water ratio), wherein has 80% biological sludge not dealt carefully with, and biological sludge has become sewage work's problem demanding prompt solution.Contain a large amount of microbial cells and organic colloidal matter in the biological sludge, cause the mud viscosity large, the dehydration difficulty, existing device for dehydrating sladge waste usually can only be with biological sludge dehydration to water ratio about 80%, water ratio is higher after the sludge dewatering, for subsequent transportation, processing bring difficulty.Current, domestic sewage work concentrates, is dehydrated into mud cake (water ratio 80%) to biological sludge by machinery, mud cake being transported to the strange land processes again, it is average more than 100 yuan/tons that mud concentrates, dewaters, transports total expenses, mud cake adopts 150-200 yuan/ton of burning, compost, biological treatment government subsidy, but most mud cake or stealthily disorderly unloaded or landfill by outsourcing.Current mud cake is processed the method that focuses on that adopts, gone into operation sewage work more than 3000 of China, belong to middle or small sewage treatment more than 95%, the daily output biological sludge is all below 200 tons (80% water ratio), be unworthy building separately sludge treatment factory, the big city focuses on and can manage it, small and medium-sized cities, the county town, small towns mud cake transportation distance is too far away, so sewage work can only be concentrated with biological sludge, be dehydrated into landfill (moisture content of the cake just allows landfill below 60%) behind the mud cake, biological sludge country has listed the danger wastes list in, can not safe handling exist great environmental safety hidden danger.State's internal filter cake is processed also to be in and is established the exemplary project stage at present, the anaerobic digestion biologic treating technique is Developing mainstream, but the technique that sludge organism is processed exists worldwide three large technical barriers: sand setting, scum silica frost, desulfurization, daily operation operative technique difficulty is larger, the exemplary project of introduction of foreign technology stops production more than 90% in succession, as Gaobeidian City, Beijing, several hundred million yuan of in succession stopping productions of little red door each project investment of sewage work.The sludge treatment factory that pilot project is built focuses on mud cake, need thin up modified during biological treatment, repeat after the processing to concentrate, dewater, need to add the husk (dry-matter ratio) of 50% sludge quantity during compost treatment, the byproduct that produces after the sludge treatment does not have utility value or utility value well below required expense.Repeating to transport, repeat to dewater, add a large amount of auxiliary materials in the existing biological sludge treating processes is the high reasons of biological sludge processing costs, process that construction investment is large, processing operative technique, to require height be the bottleneck that pilot project is promoted, rely on separately handling income incompetence to make profits and suppressed the development of sludge treatment industry.
The utility model content
The utility model is not enough for prior art; a kind of screw rod extrusion type deeply dehydrating sludge tablets press is proposed; on the basis of biological sludge washing; can one-stoply finish the dehydration of organic sludge, concentrated, granulation, biological sludge is processed on the spot high-quality, highly enriched, the particulate state organic fungi-manure of agricultural use.
The technical scheme that the utility model adopts:
A kind of screw rod extrusion type deeply dehydrating sludge tablets press, comprise machine rack (15), at described machine rack (15) the sludge concentrator structure is installed, dewatering device and granulating mechanism, described mud is concentrated, dewatering device comprises cartridge filter (5), screw rod (4), described cartridge filter (5) two ends are fixedly mounted on machine rack (15) both sides, screw rod (4) is arranged in the described cartridge filter (5), its two ends are installed on the machine rack (15) by bearing, upper the arranging of screw thread of described screw rod (4) satisfied following condition: from screw rod (4) rear end to front end, pitch diminishes gradually; Described screw rod (4) cooperates with cartridge filter (5) inner tight; second half section is the mud enriching section; the first half section is the sludge dewatering section; screw rod (4) main transmission end is connected with transmission rig; described cartridge filter (5) one ends are provided with organic rare mud import (3); the other end is organic mud cake extrusion; granulating mechanism and mud cake extrusion Corresponding matching arrange; described granulating mechanism comprises pellet head; grain-cutter (12); described pellet head is provided with a plurality of organic mud cake extrusion cavities (11), and grain-cutter (12) cooperates with described pellet head and the coaxial installation of screw rod (4).
Described screw rod extrusion type deeply dehydrating sludge tablets press; be provided with discharging setter (10) at mud cake extrusion place; described discharging setter (10) and mud cake extrusion are fixed on screw rod (4) front axle bearing frame, in order to regulate the water ratio of mud cake.
Described screw rod extrusion type deeply dehydrating sludge tablets press; be provided with dirty water collecting tank (6) in described cartridge filter (5) periphery; dirty water collecting tank (6) two ends and machine rack fix; collection box (6) bottom is provided with outfall (7), and outfall (7) connects detention tank by drainage pipeline.
Described screw rod extrusion type deeply dehydrating sludge tablets press; grain-cutter (12) is provided with 3~6 blades and evenly distributes around its center mounting hole; blade is 45 degree blade and pellet head Surface Contacts; screw rod (4) rotating shaft between grain-cutter (12) front portion and its fitting nut is provided with buffer spring, is provided with pad between described fitting nut and the buffer spring.
Described screw rod extrusion type deeply dehydrating sludge tablets press, cartridge filter (5) use stainless steel strand MULTILAYER COMPOSITE welding fabrication, and two ends welding assembly flange, described cartridge filter (5) can stop the following mud particulate of 400 orders, can bear 100 MPa pressure.
Described screw rod extrusion type deeply dehydrating sludge tablets press; upper and pellet head cooperation is provided with organic mud cake particle collection box (13) at the machine rack (15) of mud cake extrusion one side; described mud cake particle collection box (13) upper end is provided with dirty gas outlet (9), and the lower end is provided with organic mud cake particle outlet (14).
The beneficial effects of the utility model:
The use of the utility model screw rod extrusion type deeply dehydrating sludge tablets press, the 5th kind of having realized occurring after the domestic and international existing landfill method, composting process, burning method, four kinds of biological sludge treatment processs of biological process are namely processed and the mechanical process of deep processing biological sludge.Mechanical process is different from existing four kinds of biological sludge treatment process maximums, does not still process biological sludge, and is biological sludge to be used as free Raw material processing produce high-quality fertilizer.Process biological sludge and can not create profits tax, the income of perhaps making profits is far below the processing cost expenditure, and the processing biological sludge is made profits greater than the processing cost expenditure, generates profit income; Processing need to be collected handling and be meaned and ask for, and processing can be created profits tax and mean and contribute.Mechanical process is compared ten large advantages with existing four kinds of biological sludge treatment processs: 1. once finish: disposable processing, the processing of finishing biological sludge; 2. on the spot processing: save the biological rare mud of sewage work and concentrate, dewater, transport operation, avoid transportation and strange land to process and cause the secondary pollution risk; 3. reduce expenses: significantly reduce and process construction investment and daily handling expenditure, do not need to build separately sludge treatment factory strange land and focus on mud cake, save huge trucking costs and disposal costs; 4. process comprehensively: be not subject to processing the scale restriction, big or small sewage work can both use; 5. raise the efficiency: reduced 80% treatment process and treatment cycle, 6. simple to operate: the automation unmanned; 7. deep processing: biological sludge is processed into high-quality, highly enriched, particulate state organic fungi-manure; 8. the place is few: a set of equipment only needs 60 square metres of production plants; 9. go into operation fast: engineering project is few, and construction speed is fast, the operation of can going into operation in 3 months, and two weeks can be finished if technological transformation is updated the equipment; 10. extra earning profits tax: the byproduct added value is high, and the fertilizer wide application is by selling byproduct fertilizer extra earning profits tax.Mechanical process can also be processed changing food waste, domestic refuse, tail dish rubbish, agricultural crop straw, industrial organic waste, urbanization manure pit rubbish, plant's fowl and animal excrement rubbish etc., can be processed into fertilizer to all organic wastes.Mechanical process processing biological sludge is produced the high-quality organic fungi-manure of agricultural use, and is the first both at home and abroad, opened the agricultural epoch of biological sludge, brings huge Social benefit and economic benefit for environmental protection, agricultural, employment.
Description of drawings
Fig. 1: biological sludge wash trough synoptic diagram;
Fig. 2: screw rod extrusion type deeply dehydrating sludge granulator structure synoptic diagram.
Embodiment
Embodiment one: referring to Fig. 2, the utility model screw rod extrusion type deeply dehydrating sludge tablets press, comprise machine rack 15, at described machine rack 15 sludge concentrator structure, dewatering device and granulating mechanism are installed, described mud is concentrated, dewatering device comprises cartridge filter 5, screw rod 4, described cartridge filter 5 two ends are fixedly mounted on the both sides of machine rack 15, screw rod 4 is arranged in the described cartridge filter 5, its two ends are installed on the machine rack 15 by bearing, arranging of screw thread satisfied following condition on the described screw rod 4: from screw rod 4 rear ends to front end, pitch diminishes gradually; Described screw rod 4 cooperates with cartridge filter 5 inner tight; second half section is the mud enriching section; the first half section is the sludge dewatering section; screw rod 4 main transmission ends are connected with transmission rig; described cartridge filter 5 one ends are provided with organic rare mud import 3; the other end is the mud cake extrusion; granulating mechanism and mud cake extrusion Corresponding matching arrange; described granulating mechanism comprises pellet head, grain-cutter 12; described pellet head is provided with a plurality of organic mud cake extrusion cavities 11, and grain-cutter 12 cooperates with described pellet head and screw rod 4 coaxial installations.
Among the figure, label 1 is the power motor of transmission rig, and 2 is retarding mechanism.
Embodiment two: referring to Fig. 2; the screw rod extrusion type deeply dehydrating sludge tablets press of present embodiment; be provided with dirty water collecting tank 6 in described cartridge filter 5 peripheries; dirty water collecting tank 6 two ends and machine rack fix; collection box 6 bottoms are provided with outfall 7, and outfall 7 connects detention tank by drainage pipeline.Number in the figure 8 is the machine assembling window on the dirty water collecting tank.
Embodiment three: referring to Fig. 2; the screw rod extrusion type deeply dehydrating sludge tablets press of present embodiment; different from embodiment one or embodiment two is; described grain-cutter 12 is provided with 3~6 blades and evenly distributes around its center mounting hole; blade is 45 degree blade and pellet head Surface Contacts; screw rod 4 rotating shafts between grain-cutter 12 front portions and its fitting nut are provided with buffer spring, are provided with pad between described fitting nut and the buffer spring.
Embodiment four: referring to Fig. 2; the screw rod extrusion type deeply dehydrating sludge tablets press of present embodiment; different from aforementioned each embodiment is; the place is provided with discharging setter 10 at the mud cake extrusion; described discharging setter 10 and mud cake extrusion are fixed on screw rod 4 front axle bearing framves, in order to regulate the water ratio of mud cake.
Embodiment five: referring to Fig. 2; the screw rod extrusion type deeply dehydrating sludge tablets press of present embodiment; different from aforementioned each embodiment is; cooperation is provided with organic mud cake particle collection box 13 with pellet head on the machine rack 15 of mud cake extrusion one side; described mud cake particle collection box 13 upper ends are provided with dirty gas outlet 9, and the lower end is provided with organic mud cake particle outlet 14.
The utility model screw rod extrusion type deeply dehydrating sludge tablets press, cartridge filter 5 use stainless steel strand MULTILAYER COMPOSITE welding fabrication, and two ends welding assembly flange, described cartridge filter 5 can stop the following mud particulate of 400 orders, can bear 100 MPa pressure.
The utility model screw rod extrusion type deeply dehydrating sludge tablets press has compiled that biological sludge is concentrated, dehydration, three kinds of functions of granulation, and this machine is comprised of screw rod 4, cartridge filter 5, dirty water collecting tank 6, pellet head, grain-cutter 12, discharging setter 10, organic mud cake particle collection box 13, electric motor 1, wheel box 2, machine rack 15; Screw rod 4 is provided with certain pitch and tapering, capacity is very large between the pitch of rear portion, and the capacity that becomes gradually to the front portion is very little, and 5 ones closely cooperate in the screw thread on the screw rod 4 and the cartridge filter, screw rod 4 is arranged in the cartridge filter 5, and its two ends are installed on the machine rack 15 by bearing; Cartridge filter 5 adopts stainless steel strand MULTILAYER COMPOSITE welding fabrication, very little of slit allows sewage to pass through between silk and the silk, its two ends are installed on the machine rack 15 by flange, overanxious cylinder 5 rear portion machine racks 15 outsides are provided with organic rare mud import 3, the feed pipe front end communicates with cartridge filter 5, and the rear end connects organic mudpan; Dirty water collecting tank 6 is totally-enclosed, and in the middle of cartridge filter 5, screw rod 4 were included in, its two ends were screwed on the machine rack 15, and dirty water collecting tank 6 bottoms are provided with sewage outlet 7, and pipeline connects detention tank; Screw rod 4 front axle bolster fronts are equipped with discharging setter 10; Screw rod 4 front portions or discharging setter 10 front portions are provided with the extruding pelletization head, and head is provided with organic mud cake extrusion cavities 11 of multi-turn certain size; The head front is equipped with grain-cutter 12, and grain-cutter 12 an even distribution 3-6 blade, blade are 45 degree blade and head Surface Contacts, and grain-cutter 12 central authorities are set as square hole and are installed in the anterior and screw rod 4 of screw rod 4 and rotate synchronously; Grain-cutter 12 front portions are equipped with stage clip, and stage clip front namely screw rod 4 ends is equipped with compressing tablet and screwed cap; Pellet head is covered with organic mud cake particle collection box 13; collection box 13 bottoms are provided with organic mud cake particle discharge port 14; discharge port 14 is equipped with iron sheet transport pipe connection granule drying machine downstairs, and collection box 13 tops are provided with dirty gas and export 9 gas exhaust duct communication chamber trunk of funnels.
The utility model screw rod extrusion type deeply dehydrating sludge tablets press; before producing fertilizer, the processing biological sludge at first needs biological sludge is washed; washing methods is: under the earth's surface on next door, sewage work biological rare sewage sludge storage pond; adopt skeleton construction to build the rare sludge washing of a biology pond; the rare sludge washing of this biology pond comprises the modified pond 21 of mud, sludge washing pond 22, organic sludge settling tank 24, detention tank 25 and desilting dehydration pond, and detention tank 25 bottoms are the husky pond 26 of collection.20 is biological rare mud import among the figure, and 23 for being communicated with window, and 27 are sand pump installation window, and 28 is sewage outlet, and 29 is that organic sposh pump is installed window.Foregoing description is referring to Fig. 1.The modified pond 21 of mud is provided with a plurality of windows 23 that are communicated with the partition wall top that sludge washing pond 22 shares, sludge washing pond 22 is provided with a plurality of wickets with the partition wall top that organic sludge settling tank 24 shares and communicates, organic sludge settling tank 24 is provided with a plurality of wickets with the partition wall top that detention tank 25 shares and communicates, and detention tank 25 buries the water bend pipe with water drain and communicates; The wicket that each pond body is interconnected, pipeline are from the modified pond of mud to the inlet of sewer, successively decreasing successively, it highly keeps waterhead between pond and the pond, need not any power making sposh or sewage can also be that the modified pond of mud flows into last pond naturally from first pond, and naturally flows into water drain and be back in sewage work's sewage lagoon.
When biological rare mud pumps into the modified pond 21 of mud of biological sludge wash trough from sewage work rare sewage sludge storage pond, add a certain amount of flocculation agent, rare mud with slowly flow into sludge washing pond 22 after flocculation agent fully mixes; Rare mud enters behind the wash trough 22 that heavier micro heavy, sand setting is deposited in the wash trough bottom under the flocculation agent effect, and lighter organic sludge flows into precipitation in the organic sludge settling tank 24 together with sewage; During wash trough bottom accumulation certain thickness sand setting, with mortar pump sand setting is pumped into desilting dehydration pond dehydration; Organic sposh flows into organic sludge settling tank 24 through precipitation, concentrated unnecessary effluent stream detention tank 25, and sewage flows into water drain through settling tank 25 precipitation top clear water and flows back to sewage work's sewage lagoon; Organic sludge is processed through precipitation, the concentrated specific equipment deeply dehydrating sludge tablets press that pumps into; The desilting that washs out adds a certain proportion of cement, lime production pavior brick, water-permeable brick, azulejo, non-dwelling house brick through natural-dehydration, also can be used as land remediation, road, gardens or directly security landfill.Select the iron trichloride flocculation agent during biological sludge washing, iron trichloride has significant removal heavy metal and the effect of coagulated particles sand setting, make heavy metal and desilting rapid subsidence, adopting heavy dose of delivering medicament is the decades of times of general sewage purification consumption, heavy metal, sand setting adopt repeatedly precipitation, collection method, thoroughly heavy metal, sand setting are washed away from biological sludge.
Organic rare mud after the washing pumps in (if the little supercharging midway of pressure) deeply dehydrating sludge tablets press with the sludge pump high pressure from the organic sludge settling tank, and this machine cartridge filter 5,4 second half sections of screw rod are mud enriching section, and the first half section is the sludge dewatering section; Rare mud enters sewage outflow from the silk seam of cartridge filter 5 under high Water Pressure in the cartridge filter 5, and the silk seam can stop the following mud particulate of 400 orders; Mud is when cartridge filter 5 interior rear portion accumulation some amount, and electric motor low speed drives screw rod 4 and rotates, and the screw thread on the screw rod 4 drives mud and promotes forward, makes rare mud further concentrated; Mud be pushed into cartridge filter during 5 second half section the capacity between pitch more and more less, the dorsad pressure that mud and cartridge filter 5 produce is increasing, crunch is enough to broken biological sludge cell walls, and mud iuntercellular and intracellular moisture are squeezed out, and reaches the purpose of sludge dewatering; Adjust discharging setter 10 according to the extruding pelletization needs, make sludge dewatering after water ratio about 40%, it is suitable to produce mud cake particle smooth finish, hardness, granulating rate; Released cartridge filter 5 by screw rod 4 after the sludge dewatering and extrude from the organic mud cake extrusion cavities 11 of pellet head, the grain-cutter 12 of pellet head front will be extruded uniformly organic mud cake and be cut into particle; Particle is collected case 13 and collects from the bottom transport pipe and slip into downstairs granule drying machine; The deeply dehydrating sludge tablets press successively rotates, and organic rare mud constantly pumps in the cartridge filter 5 and is concentrated, dehydration, granulation; The dirty water collecting tank 6 that the sewage of extruding from the silk seam is closed is collected, and flows into the detention tank precipitation from lower pipeline, and precipitation upper back clear water flows to sewer line and is back to sewage work's sewage lagoon; Dirty water collecting tank 6 water shoots and organic rare mud import 3 are equipped with reverse pipeline, and closed shutter backward rotation screw rod 4 develops the mud of leaving in the cartridge filter 5; The dirty gas that produces during mud granulizing is from emission by exhaust pipe to outdoor.
Simultaneously, can granule drying machine be arranged with the deeply dehydrating sludge tablets press is supporting, through the particle that organic mud cake particle collection box 13 is collected slides into downstairs granule drying machine from bottom iron sheet pipeline, under dryer agitating vane stirring at low speed, utilize electric heating drying machine oven dry pellet moisture, the particle bake out temperature is no more than 80 degree, and the dirty gas of generation is discharged outdoor from vapor pipe; Organic mud cake particle water ratio about 15% (national standard is not higher than 20%) after the oven dry, the organic mud cake particle after opening discharging machine and will drying advances the fertilizer storage pool; Organic fertilizer particles packs, weigh, seal that to be transported to the warehouse for sale.
Market analysis
Protection of the environment is the fundamental state policy of China, and curbing environmental pollution is the important process of governments at all levels.Whole nation sewage work has gone into operation more than 3000, biological sludge year more than 3,000 ten thousand tons of generations (80% water ratio), at present, thoroughly the pollution of radical cure biological sludge and harm also do not have the reliable management method of cover and a low-cost processes technology, prior art sewage work only can concentrate mud, be dehydrated into the mud cake of water ratio 80%, again mud cake is transported to the strange land and focuses on, be transported to again the strange land after the processing and dispose; The mud cake outward transport of high-moisture percentage is processed, and has increased processing costs and secondary pollution risk, has increased the re-treatment operation.The utility model is processed the biological sludge that sewage work produces on the spot, safety, environmental protection, economy, efficient, and popularizing application prospect is wide, is bound to exhibit one's skill to the full at sludge treatment, environmental protection, agriculture field make positive contribution.
Ecological benefits
The existing treatment process landfill method of biological sludge, composting process, burning method, biological process all can not rationally be processed, biological sludge is the most unmanageable rubbish in the rubbish, and the high organism of water ratio is many, distributes violent stench, containing a large amount of bacteriums, pathogenic agent, is out-and-out problem rubbish.The utility model is processed the omnidistance sealing of biological sludge on the spot, can not pollute surrounding enviroment and underground water source; Grain grows in the soil, and the human grain that consumes produces ight soil, and ight soil generates biological sludge, and biological sludge is produced fertilizer and presented a gift in return the soil, has formed a perfect ecological circulation.The best approach that it is protection of the environment that mechanical process is processed biological sludge, keep ecological balance, take full advantage of sludge resource, processing cost is minimum.
Screw rod extrusion type deeply dehydrating sludge tablets press adopts the screw extrusion press principle, and cartridge filter substitutes extruded tube, and cartridge filter adopts stainless steel strand MULTILAYER COMPOSITE welding fabrication, and every square centimeter can be born 100 MPa pressure; Moisture content of the cake can reach 65% after the dehydration of the best plate and frame sludge filter press of biological sludge dehydration effect, and every square centimeter of filter pressure just has the 0.6-1 MPa, and the Centrifugal sludge dehydration machine is deviate from moisture content of the cake about 80%.It mainly is that the intracellular water of mud is difficult for deviating from that biological sludge is difficult for dehydration, adopt the high pressure press filtration can make the biological sludge cell walls broken, intracellular water also can be deviate from, Here it is, and sludge filter press is deviate from the low reason of moisture content of the cake than mud centrifugal drier, the screw extrusion press extrusion pressure is far longer than the pressure of pressure filter, and water ratio can be down to below 20% after the sludge dewatering.The biological sludge that China town domestic sewage treatment plant produces, mainly be that toilet ight soil and sand setting form, ight soil is decomposed to form biological sludge through long-time anaerobism, aerobic sigestion in septic tank, sewer line and sewage work's settling tank, organic content on average is higher than 50% in the biological sludge, the biological sludge fertilizer efficiency is better than the fowl and animal excrement fertilizer, and most of heavy metal content index is lower than national standard in the biological sludge.For the security that guarantees that biological sludge is agricultural, the dosing washing washes out micro heavy and sand setting in the biological sludge during processing biological sludge, also can reduce half mud handling capacity, makes the fertilizer organic content of production reach more than 95% highly concentrated; In order to guarantee the easy to use and mechanized application of fertilizer, with the organic mechanical pelleting after the washing, the oven drying at low temperature particle keeps probiotics survival rate in the fertilizer.The utility model is applicable to the big or small sewage work of various scales, and the method for processing biological sludge is carried out the on the spot principle of processing, avoids transporting with the strange land and processes the secondary pollution that causes, and sewage work saves also that mud is concentrated, dehydration, transportation operation; Compare with existing biological sludge treatment process, reduced 80% treatment process, treatment cycle and treatment facility.The same treatment ability only accounts for 10% investment and 30% daily processing costs of existing method for sludge treatment, and sells the fertilizer extra earning profits tax that the processing biological sludge obtains.Mechanical process processing biological sludge has thoroughly changed people's concept, biological sludge becomes the inexhaustible not complete renewable resource of using, make that complicated biological sludge is concentrated, dehydration, transportation, processing, transportation, treatment procedures become unmanned simple to operate, also make sludge treatment really become the industry of environmental protection, profit.
Biological sludge dosing washing and mechanical pelleting are two important component parts of mechanical process processing biological sludge, and be indispensable.If biological sludge washs without dosing, the impurity in the biological sludge can stop up the discharge hole of deeply dehydrating sludge tablets press, makes the biological sludge can't granulation, does not also reach agricultural fertilizer standard even not granulation deep dehydration is extruded mud cake; If mechanical pelleting is not produced fertilizer, biological sludge does not just need the dosing washing yet, adopts existing method landfill, compost, burning, biological treatment behind the biological sludge dehydration.

Claims (9)

1. screw rod extrusion type deeply dehydrating sludge tablets press, comprise machine rack (15), at described machine rack (15) the sludge concentrator structure is installed, dewatering device and granulating mechanism, described mud is concentrated, dewatering device comprises cartridge filter (5), screw rod (4), it is characterized in that: described cartridge filter (5) two ends are fixedly mounted on machine rack (15) both sides, screw rod (4) is arranged in the described cartridge filter (5), its two ends are installed on the machine rack (15) by bearing, upper the arranging of screw thread of described screw rod (4) satisfied following condition: from screw rod (4) rear end to front end, pitch diminishes gradually; Described screw rod (4) cooperates with cartridge filter (5) inner tight; second half section is the mud enriching section; the first half section is the sludge dewatering section; screw rod (4) main transmission end is connected with transmission rig; described cartridge filter (5) one ends are provided with organic rare mud import (3); the other end is organic mud cake extrusion; granulating mechanism and mud cake extrusion Corresponding matching arrange; described granulating mechanism comprises pellet head; grain-cutter (12); described pellet head is provided with a plurality of organic mud cake extrusion cavities (11), and grain-cutter (12) cooperates with described pellet head and the coaxial installation of screw rod (4).
2. screw rod extrusion type deeply dehydrating sludge tablets press according to claim 1; it is characterized in that: be provided with discharging setter (10) at mud cake extrusion place; described discharging setter (10) and mud cake extrusion are fixed on screw rod (4) front axle bearing frame, in order to regulate the water ratio of mud cake.
3. screw rod extrusion type deeply dehydrating sludge tablets press according to claim 1; it is characterized in that: be provided with dirty water collecting tank (6) in described cartridge filter (5) periphery; dirty water collecting tank (6) two ends and machine rack fix; collection box (6) bottom is provided with outfall (7), and outfall (7) connects detention tank by drainage pipeline.
4. screw rod extrusion type deeply dehydrating sludge tablets press according to claim 2; it is characterized in that: be provided with dirty water collecting tank (6) in described cartridge filter (5) periphery; dirty water collecting tank (6) two ends and machine rack fix; collection box (6) bottom is provided with outfall (7), and outfall (7) connects detention tank by drainage pipeline.
5. each described screw rod extrusion type deeply dehydrating sludge tablets press according to claim 1~4; it is characterized in that: grain-cutter (12) is provided with 3~6 blades and evenly distributes around its center mounting hole; blade is 45 degree blade and pellet head Surface Contacts; screw rod (4) rotating shaft between grain-cutter (12) front portion and its fitting nut is provided with buffer spring, is provided with pad between described fitting nut and the buffer spring.
6. screw rod extrusion type deeply dehydrating sludge tablets press according to claim 5; it is characterized in that: cartridge filter (5) uses stainless steel strand MULTILAYER COMPOSITE welding fabrication; two ends welding assembly flange; described cartridge filter (5) can stop the following mud particulate of 400 orders, can bear 100 MPa pressure.
7. each described screw rod extrusion type deeply dehydrating sludge tablets press according to claim 1~4; it is characterized in that: upper and pellet head cooperation is provided with organic mud cake particle collection box (13) at the machine rack (15) of mud cake extrusion one side; described mud cake particle collection box (13) upper end is provided with dirty gas outlet (9), and the lower end is provided with organic mud cake particle outlet (14).
8. screw rod extrusion type deeply dehydrating sludge tablets press according to claim 6; it is characterized in that: upper and pellet head cooperation is provided with organic mud cake particle collection box (13) at the machine rack (15) of mud cake extrusion one side; described mud cake particle collection box (13) upper end is provided with dirty gas outlet (9), and the lower end is provided with organic mud cake particle outlet (14).
9. each described screw rod extrusion type deeply dehydrating sludge tablets press according to claim 1~4; it is characterized in that: cartridge filter (5) uses stainless steel strand MULTILAYER COMPOSITE welding fabrication; two ends welding assembly flange; described cartridge filter (5) can stop the following mud particulate of 400 orders, can bear 100 MPa pressure.
CN 201220398200 2012-08-13 2012-08-13 Screw extrusion type sludge deep dewatering granulator Withdrawn - After Issue CN202705209U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220398200 CN202705209U (en) 2012-08-13 2012-08-13 Screw extrusion type sludge deep dewatering granulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220398200 CN202705209U (en) 2012-08-13 2012-08-13 Screw extrusion type sludge deep dewatering granulator

Publications (1)

Publication Number Publication Date
CN202705209U true CN202705209U (en) 2013-01-30

Family

ID=47585531

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220398200 Withdrawn - After Issue CN202705209U (en) 2012-08-13 2012-08-13 Screw extrusion type sludge deep dewatering granulator

Country Status (1)

Country Link
CN (1) CN202705209U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102815847A (en) * 2012-08-13 2012-12-12 柳建国 Method for producing organic fertilizer by processing biological sludge, and sludge dewatering granulator
CN104944735A (en) * 2015-06-08 2015-09-30 柳建国 Dewatering and drying treatment method used in biological sludge plant, sludge dewatering extruder and sludge drying extruder
CN106007329A (en) * 2016-07-19 2016-10-12 杰斯(扬州)智能环保科技有限公司 Processing system for treating and recycling sludge
CN110917994A (en) * 2019-11-20 2020-03-27 湖南工业大学 Portable kitchen garbage granulating device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102815847A (en) * 2012-08-13 2012-12-12 柳建国 Method for producing organic fertilizer by processing biological sludge, and sludge dewatering granulator
CN102815847B (en) * 2012-08-13 2013-12-11 柳建国 Method for producing organic fertilizer by processing biological sludge, and sludge dewatering granulator
CN104944735A (en) * 2015-06-08 2015-09-30 柳建国 Dewatering and drying treatment method used in biological sludge plant, sludge dewatering extruder and sludge drying extruder
CN104944735B (en) * 2015-06-08 2017-12-01 柳建国 Dehydration and drying processing method and its sludge drying extruder in biological sludge factory
CN106007329A (en) * 2016-07-19 2016-10-12 杰斯(扬州)智能环保科技有限公司 Processing system for treating and recycling sludge
CN110917994A (en) * 2019-11-20 2020-03-27 湖南工业大学 Portable kitchen garbage granulating device

Similar Documents

Publication Publication Date Title
CN101838053B (en) Method for constructing artificial wetland through aged refuse for processing sewage
CN102491594B (en) Multifunctional stereo comprehensive treatment and recycling system for urban sewage
CN205189098U (en) A rainwater garden for building district
CN104944735A (en) Dewatering and drying treatment method used in biological sludge plant, sludge dewatering extruder and sludge drying extruder
CN202705209U (en) Screw extrusion type sludge deep dewatering granulator
CN104450501B (en) A kind of distributing life in the countryside waste resource utilization device and application thereof
CN102531293B (en) Centralized treatment system for sewage in rural area
CN106957130B (en) Treatment method of domestic sewage and organic solid waste
CN204224405U (en) A kind of city sewage sludge reclamation treatment system
CN203781972U (en) Modular livestock and poultry breeding wastewater harmless and resourceful treatment system
CN104860491B (en) A kind of separation integrated treatment of domestic sewage in rural areas source utilizes system
CN102815847B (en) Method for producing organic fertilizer by processing biological sludge, and sludge dewatering granulator
CN203794743U (en) Movable type river way sewage purifying device
CN100596303C (en) Solar biomimetric methane reactor
CN204356328U (en) A kind of distributing life in the countryside waste resource utilization device
CN202028606U (en) Integrated treatment system for municipal organic garbage
CN1448350A (en) Method and device for biological treatment and regenerative utilization of urban night soil and domestic waste water
CN207259275U (en) A kind of domestic sewage of villages and small towns high effect cleaningization handles and recycles equipment
CN102718319A (en) Device for treating production wastewater of jujube processing industry and treatment process thereof
CN202924891U (en) Sludge drying belt filter press
CN102153216B (en) Method and equipment for removing heavy metal from rubbish hydrolysate
CN202465457U (en) Centralized processing system of sewage in rural areas
CN201883005U (en) Fecal treatment device and system
CN102746037A (en) Garbage and sewage integrated purification and fertilizer production system
CN206328286U (en) A kind of city sewage deep treatment device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130130

Effective date of abandoning: 20131211

RGAV Abandon patent right to avoid regrant