CN206229521U - Urban household waste treatment system - Google Patents

Urban household waste treatment system Download PDF

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Publication number
CN206229521U
CN206229521U CN201521110823.6U CN201521110823U CN206229521U CN 206229521 U CN206229521 U CN 206229521U CN 201521110823 U CN201521110823 U CN 201521110823U CN 206229521 U CN206229521 U CN 206229521U
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China
Prior art keywords
rubbish
air floatation
floatation machine
machine
air
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CN201521110823.6U
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Inventor
李继宏
王凤美
李磊
李小飞
李金龙
刘昌晨
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Anhui Jihong Environment-Friendly Technology Co Ltd
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Anhui Jihong Environment-Friendly Technology Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/82Recycling of waste of electrical or electronic equipment [WEEE]

Abstract

The utility model discloses a kind of tramp iron separator of urban household waste treatment system, tramp iron separator is arranged on belt conveyor;Tramp iron separator is permanent magnetism self-unloading type deferrization device, is provided with framework, the permanent magnetic core of double field structures, abandons iron belt, reducing motor and roller;Tramp iron separator respectively sets one at the two ends of belt conveyor.Using above-mentioned technical proposal, advanced treating is carried out to application of city life garbage;The pernicious gas in rubbish can be decomposed, while can also dilute the harmful substance in rubbish;So that moieties floating, circulation, substantially reduce the labour intensity in processing procedure, a large amount of man power and materials are saved;Using rubbish as raw materials for production, organic matter therein, inorganic matter are separated and rationally utilized, production organic fertilizer, building block material;White pollution thing produces building thermal insulation material, realizes garbage harmless, resource.

Description

Urban household waste treatment system
Technical field
The utility model belongs to the technical field of environmental engineering.More specifically, the utility model is related to a kind of cities and towns The tramp iron separator of domestic garbage treating system.
Background technology
With the fast development of China's economy, substantial amounts of resource is consumed, produce substantial amounts of waste, had a strong impact on and make About economic development and threaten the life life quality of people.Develop the economy, pollution administration, it has also become the common recognition of modern society, The direction of environmental protection work is to implement to walk sustainable development, create the national development strategy of harmonious society.Environmental protection is for I One fundamental state policy of state.Energy-conserving and environment-protective industry is classified as seven emerging strategic industries that country accelerates to cultivate and develop by country One of.
According to statistics, about 2.77 hundred million tons of China application of city life garbage yield in 2011, accounts for whole world refuse production 26%, it is the big country of rubbish first in the world, and also it is annual also with 5%~8% or so speed increase.
China's urban life storage rubbish alreadys exceed 8,000,000,000 tons, takes up an area more than 80 ten thousand mu;Occupation of land amount is with every year about 4.8% Speed is increasing.Garbage-surrounded city, alarm bell has been beaten to urban development, more consumes substantial amounts of human and material resources and financial resources to process.
At present, the trash processing way of China, mainly there is sanitary landfills, burning electricity generation, compost etc..Wherein, sanitary landfills Substantial amounts of land resource is wasted, and easily underground water source etc. is polluted;Burning electricity generation can reduce garbage bulk 50%~95%, but invest big, costly, the harmful substances such as dioxin, mercury can be also discharged, the slag and dust of residual also have It is malicious, harmful, and burned a large amount of recyclable resources;The cycle of compost is long, and organic matter and inorganic matter need the packing just can be with Reclaim.
Utility model content
In order to solve the problems, such as prior art, the utility model provides a kind of removing for urban household waste treatment system Ironware, harmless treatment and recycling the purpose is to realize townm refuse.
To achieve these goals, the technical scheme that the utility model is taken is:
Urban household waste treatment system of the present utility model is provided with bag breaker, belt conveyor, four axle disintegrating machines, vertical Spiral air floatation machine, dissolved gas floatator, solid-liquid separating machine, sewage purifier, garbage disposal station;
Rubbish is sent to four axle disintegrating machines by described bag breaker by belt conveyor;
Conveyer belt is set between four described axle disintegrating machines and vertical helical air floatation machine;Through four described axle crusher in crushing Rubbish afterwards is sent to described vertical helical air floatation machine by conveyer belt;
Described vertical helical air floatation machine is connected by returning to pure water pipe with sewage purifier;Described vertical helical gas Floating machine is connected by sewage pipe with solid-liquid separating machine;
The outlet of sewer of described solid-liquid separating machine is connected by pipeline with sewage purifier.
Described bag breaker is provided with vibration screening device, the lower section of described vibration screening device, set transmission mechanism with Described belt conveyor is connected.
Described vibration screening device is provided with adjustable sieve separation structure, and the sieve plate same direction of described adjustable sieve separation structure sets Put, its cross section constitutes " V " shape, as bakie.
Described adjustable sieve separation structure is provided with sieve plate apart from adjustment structure, and described sieve plate is used to adjust apart from adjustment structure The groove width of bakie.
On bakie described in each, pusher is set;Its pusher direction is consistent with the direction of bakie.
Described belt conveyor is provided with tramp iron separator.
Described tramp iron separator is permanent magnetism self-unloading type deferrization device, is provided with framework, the permanent magnetic core of double field structures, abandons iron Belt, reducing motor and roller.
Described tramp iron separator respectively sets one at the two ends of described belt conveyor.
The electric-controlled that described refuse disposal system is provided with the startup, stopping and protection of control threephase asynchronous machine sets up It is standby.
Described electrical control equipment is provided with control computer or PLC control modules.
Described electrical control equipment is provided with overload protecting circuit, open-phase protection circuit, current foldback circuit, under-voltage protection Circuit, short-circuit protection circuit, overheating protection circuit.
Four described axle disintegrating machines include four cutter shafts, respectively two main shearing cutter shafts and two secondary shearing cutter shafts;Two Individual main shearing cutter shaft is disposed adjacent, and the main shear knife on the main shearing cutter shaft forms main shear blade;Two secondary shearing cutter shafts set The secondary shear knife put on two both sides of main shearing cutter shaft, two secondary shearing cutter shafts forms secondary shearing with main shear knife respectively Sword.
Four described axle disintegrating machines are provided with crusher screen.
In described vertical helical air floatation machine, the rotating guide of Spiral distribution is provided with along its axis.
In the lower section of described rotating guide, filter screen is provided with, in the upper surface of described filter screen, is provided with and scrapes Plate.
The sewage draining valve of time opening is provided with the bottom of described vertical helical air floatation machine.
Observation window is set in described vertical helical air floatation machine lower end cone.
In the upper end of described vertical helical air floatation machine, floating object guiding gutter is set.
Described dissolved gas floatator is provided with flotation tank, dissolved air water pump, pressure air-dissolving tank and air compressor machine.
Described dissolved gas floatator is provided with folded plate coagulating basin.
Described dissolved gas floatator is provided with regulating reservoir.
Described dissolved gas floatator is provided with administration apparatus.
Scraping machine is provided with described flotation tank.
Described dissolved gas floatator is provided with release.
Described solid-liquid separating machine is provided with rotary drum screen cloth concentration structure.
Described solid-liquid separating machine is provided with conditioning mixer.
Described conditioning mixer is provided with thickened sludge import, flocculating agent import.
Described sewage purifier is provided with air floatation machine and air-dissolving apparatus.
Described air floatation machine is steel circular profile, is internally provided with release, uniform device, sludge sump, scraper plate and transmission System;Described air floatation machine is additionally provided with sludge discharging pipe and clear water outlet pipe.
Described air floatation machine is provided with a medicine storing pot and No. one is mixed medicinal cupping.
A described medicine storing pot and a medicament mixed in medicinal cupping is polyacrylamide, polymer alumina, salt phenol, dioxy Change the one kind in chlorine, chlorine dioxide and sodium hypochlorite, or various any combination.
Described air floatation machine is connected by sewage pump with sewage pipe.
Described sewage pipe is mixed medicinal cupping and is connected with No. two medicine storing pots and No. two.
Described No. two medicine storing pots and No. two medicaments mixed in medicinal cupping are polyacrylamide, polymer alumina, salt phenol, dioxy Change the one kind in chlorine, chlorine dioxide and sodium hypochlorite, or various any combination.
Described air-dissolving apparatus include air compressor machine, air accumulator, dissolving;Described dissolving passes through high-pressure pump and air floatation machine Connection;Described air compressor machine is connected with air accumulator;Described air accumulator is connected by gas control cabinet with dissolving.
The unlimited implement of described refuse disposal system is arranged in garbage disposal station, described Biohazard Waste Disposal Room is closed prefabricated house structure, is provided with rubbish is transported into and garbage disposal product is transported transport channel and transport door.
Described garbage disposal station is provided with personnel's inlet/outlet.
The wall or door of described garbage disposal station are provided with system operation observation window.
Described garbage disposal station is provided with ventilation equipment.
The utility model uses above-mentioned technical proposal, and rubbish is treated as useful resource, is set by civil engineering, machinery It is standby, with techniques such as centrifugation, magnetic, floating, filterings, at home and abroad initiate with water as medium, with physics, chemical method Advanced treating is carried out to application of city life garbage;The pernicious gas in rubbish can be decomposed, while harmful in also diluting rubbish Material;By centrifuging process so that moieties floating, circulation, the labour intensity in processing procedure is substantially reduced, save a large amount of Man power and material;Using rubbish as raw materials for production, organic matter therein, inorganic matter are separated and rationally utilized, produce organic fertilizer Material, building block material;White pollution thing produces building thermal insulation material, realizes garbage harmless, resource;It has the special feature that It is:
1st, rubbish is without packing, it is not necessary to early stage treatment is carried out to rubbish, reduces processing links;
2nd, device miniaturization, realizes the treatment in situ of rubbish, solves the problems such as the decrement transport of rubbish;
3rd, the garbage treatment quantity of whole production process is big, floor space is small, and each Biohazard Waste Disposal only needs soil about 600m2;Low cost, less energy consumption;Small investment, its popularization and application are not limited by region and environment, it is easy to popularized;
4th, the water in processing procedure can be reused, and fully achieve zero-emission, the no pollution of garbage disposal;Fully examine Consider the various compositions contained by rubbish, maximized secondary utilization can be obtained, while not resulting in secondary pollution;
5th, above-mentioned technical proposal can create huge economic benefit, be particularly suitable for the national conditions and garbage property of China.
Brief description of the drawings
Content shown in accompanying drawing and the mark in figure are briefly described as follows:
Fig. 1 is general structure schematic diagram of the present utility model;
Fig. 2 is the tramp iron separator structural representation in the utility model;
Fig. 3 is dissolved gas floatator structural representation of the present utility model;
Fig. 4 is vertical helical air floatation machine structural representation of the present utility model;
Fig. 5 is solid-liquid separating machine structural representation of the present utility model;
Fig. 6 is the structural representation of sewage purifier of the present utility model;
Fig. 7 is garbage disposal station structural representation of the present utility model;
Fig. 8 is the structural representation of vibration screening device of the present utility model;
Fig. 9 is the top view of structure shown in Fig. 8.
Marked in figure:
1st, bag breaker, 2, belt conveyor, 3, tramp iron separator, 4, four axle disintegrating machines, 5, vertical helical air floatation machine, 6, molten gas gas Floating machine, 7, solid-liquid separating machine, 8, sewage purifier, 9, electrical control equipment, 10, garbage disposal station, 11, return to water purification Pipe, 12, sewage pipe.
13rd, regulating reservoir, 14, administration apparatus, 15, sewage pump, 16, folded plate coagulating basin, 17, release, 18, scraping machine, 19, Flotation tank, 20, dissolved air water storage pond, 21, sludge-tank, 22, dissolved air water pump, 23, pressure air-dissolving tank, 24, air compressor machine.
25th, rotating guide, 26, screen net, 27, sewage draining valve, 28, observation window.
29th, flocculating agent import, 30, conditioning mixer, 31, screen cloth thickened sludge, 32, rotary drum screen cloth concentration structure, 33, dirty Mud cake, 34, thickened sludge import.
35th, air compressor machine, 36, air accumulator, 37, gas control cabinet, 38, dissolving, 39, medicine storing pot, 40, No. one is mixed medicinal cupping, 41st, air floatation machine, 42, sludge discharging pipe, 43, clear water outlet pipe, 44, high-pressure pump, 45, sewage pump, 46, sewage pipe, 47, No. two drug storages Tank, 48, No. two are mixed medicinal cupping.
49th, transport channel, 50, transport door, 51, personnel's inlet/outlet, 52, system operation observation window, 53, ventilation equipment.
54th, scraper plate, 55, framework, 56, the permanent magnetic core of double field structures, 57, abandon iron belt, 58, reducing motor, 59, rolling Cylinder.
60th, vibration screening device, 61, adjustable sieve separation structure, 62, sieve plate, 63, bakie, 64, pusher.
Specific embodiment
Below against accompanying drawing, by the description to embodiment, specific embodiment of the present utility model is made further in detail Thin explanation, it is more complete, accurate to help those skilled in the art to have inventive concept of the present utility model, technical scheme With deep understanding.
Structure of the present utility model as shown in Figure 1, is urban household waste treatment system.
The theory that the utility model is based on energy-conserving and environment-protective, innovation drives, there is provided application of city life garbage secondary utilization system Handling process, equipment technology, meet country on energy-conserving and environment-protective industrial policy and developing direction, with emerging strategic industries Feature.The utility model is at home and abroad initiated with water as medium, with physics, chemical method, depth is carried out to application of city life garbage Degree and thoroughly treatment, realize garbage harmless, resource, it is proposed that new thinking and new method.
The technology of garbage disposal that the utility model is provided, treats rubbish as useful resource, realizes rubbish Secondary utilization.Its advantage is:
1st, rubbish is adapted to China's actual conditions without packing, i.e., carry out integrated treatment to all kinds of rubbish;
2nd, device miniaturization, realizes the treatment in situ of rubbish, solves the problems such as the decrement transport of rubbish;
3rd, take up an area less, each Biohazard Waste Disposal only needs soil about 600m2, cost is small, energy consumption is low;
4th, zero-emission, the no pollution of garbage disposal are fully achieved, has prevented secondary pollution.
The utility model reduces the high efficiency of carbon emission, belongs to the gold medal under the United Nations's Clean Development Mechanism (UNCDM) item Project.By taking a medium-sized city as an example, about 4000 tons of house refuse of daily output, after implementing the utility model, can be reduced every year at present More than 840,000 tons of CO2 emissions (CER).This will make tremendous contribution for completing energy-saving and emission-reduction index;Meanwhile, rubbish The secondary product for utilizing of material after sorting can create 2.16 hundred million yuans of annual profits tax.
In order to solve the problems, such as prior art and overcome its defect, the harmless treatment and recovery of townm refuse are realized The goal of the invention for utilizing, the technical scheme that the utility model is taken is:
As shown in figure 1, urban household waste treatment system of the present utility model is provided with bag breaker 1, belt conveyor 2, four Axle disintegrating machine 4, vertical helical air floatation machine 5, dissolved gas floatator 6, solid-liquid separating machine 7, sewage purifier 8, garbage disposal station 10;
Rubbish is sent to four axle disintegrating machines 4 by described bag breaker 1 by belt conveyor 2;
Conveyer belt is set between four described axle disintegrating machines 4 and vertical helical air floatation machine 5;Through four described axle disintegrating machines 4 Rubbish after broken is sent to described vertical helical air floatation machine 5 by conveyer belt;
Described vertical helical air floatation machine 5 is connected by returning to pure water pipe 11 with sewage purifier 8;Described vertical spiral Rotation air floatation machine 5 is connected by sewage pipe 12 with solid-liquid separating machine 7;
The outlet of sewer of described solid-liquid separating machine 7 is connected by pipeline with sewage purifier 8.
Above-mentioned technical proposal of the present utility model, is related to civil engineering, plant equipment, with centrifugation, magnetic, floating, mistake The techniques such as filter, the organic matter in rubbish, inorganic matter are separated and rationally utilized, production organic fertilizer, building block material;White Pollutant produces building thermal insulation material.Rubbish as raw materials for production, its product can be created huge economic benefit, meet me The national conditions and garbage property of state, suit measures to local conditions, small investment, be easy to popularization.
In view of the various compositions contained by rubbish, maximized secondary utilization can be obtained, while not resulting in secondary dirt Dye;With water as medium, the pernicious gas in rubbish can be decomposed, while the harmful substance in rubbish can be also diluted, by centrifugation Technique so that moieties floating, circulation, substantially reduces the labour intensity in processing procedure, saves a large amount of man power and materials;Place Water during reason can be reused, and accomplish zero-emission.Entirely the garbage treatment quantity of production process is big, it is few to consume energy, its Popularization and application are not limited by region and environment.
Townm refuse can produce following product using after technical finesse of the present utility model:
1st, plastics, including plastic film, packaging bag, plastic bottle etc., account for 10%-the 15% of rubbish total amount, into circulation It is economical;
2nd, sandstone, cullet, livestock and poultry bone, xylocarp shell etc., account for the 5% of rubbish total amount, and building is processed into after crushed Material;
3rd, metal, accounts for 2%-the 3% of rubbish total amount, into recycling economy;
4th, moisture, accounts for 20%-the 30% of rubbish total amount, is circulated into processing system of the present utility model after treatment Use;
5th, the organic substance that garbage disposal is formed, accounts for 10%-the 15% of rubbish total amount, by residual after anaerobic digestion Material is stayed, then by after sterilization and dried process, being the soil supplement fertilizer of high-quality.
As shown in figure 1, bag breaker 1 is provided with multiple bale broken hooks, moved under motor driving, by the various packaging bags of load garbage Hook breaks, and rubbish is all shaken off to the belt of belt conveyor 2.
As shown in Figure 8 and Figure 9:Described bag breaker 1 is provided with vibration screening device 60, described vibration screening device 60 Lower section, sets transmission mechanism and is connected with described belt conveyor 2.Tentatively sorted by vibration screening device 60, mainly All kinds of batteries are sifted out, wherein mainly No. 2 batteries.
The rubbish gone out in the sub-sieve of bag breaker 1 is sent to belt conveyor 2 by the transmission mechanism, then is sent to four axle disintegrating machines 4 Crushed.
Described vibration screening device 60 is provided with adjustable sieve separation structure 61, and the sieve plate 62 of described adjustable sieve separation structure 61 is same One direction is set, and its cross section constitutes " V " shape, as bakie 63.The battery of all kinds of cylinders is leaked down by bakie 63, then is passed through Container collection.
Will be stuck in groove due to being arranged to the rubbish such as " V " shape structure, columned battery, wait pusher 64 to determine When be pushed out, realize the separation of battery.
Described adjustable sieve separation structure 61 is provided with sieve plate apart from adjustment structure, and described sieve plate is used to adjust apart from adjustment structure Save the groove width of bakie 63.To adapt to the sub-sieve of different size of battery.This is mainly selected according to the rubbish situation of different regions Select and adjust.
On bakie 63 described in each, pusher 64 is set;Its pusher direction is consistent with the direction of bakie.Pusher Structure 64 realizes that timing pusher is moved;Or pusher motion is carried out according to the signal that induction installation is obtained, battery is first from rubbish First separate.
By above-mentioned technical proposal, the harmful substances such as battery are separated from rubbish first, be the depth of next step Treatment is got ready, and is laid the foundation.
The rubbish that belt conveyor 2 then will be eliminated except iron operation impurity iron puts into four axle disintegrating machines 4, then will Rubbish after broken is delivered to vertical helical air floatation machine 5.
As shown in Fig. 2 described belt conveyor 2 is provided with tramp iron separator 3.
Described tramp iron separator 3 is permanent magnetism self-unloading type deferrization device, is provided with framework 55, the permanent magnetic core of double field structures 56th, iron belt 57, reducing motor 58 and roller 59 are abandoned.
The tramp iron separator 3 of said structure removes ferromagnetic material suitable for automatic from non-magnetic material, with perfect double Field structure, to ensure whole machine fault-free longtime running in adverse circumstances.
Due to abandoning the continuous motion of iron belt 57, scrap iron is adsorbed from magnetic position, go to non-magnetic position, given up Iron automatically falls off, and carries out the collection of scrap iron, recycles.
Described tramp iron separator 3 respectively sets one at the two ends of described belt conveyor 2.
A tramp iron separator 3 is respectively set at the two ends of described belt conveyor 2, its effect is:Ensure all of Magnetic Materials Matter can be eliminated.
When setting, the suction of the suction of tramp iron separator 3 less than the tramp iron separator 3 of rear end of front end can be made, make two tramp iron separators 3 Each performs its own functions, fully removes magnetisable material;And the tramp iron separator 3 of rear end abandons iron belt 57 movement velocity less than front end except iron Device 3, it is ensured that scrap iron is difficult for drop-off.
As shown in figure 1, described refuse disposal system is provided with the electricity of the startup, stopping and protection of control threephase asynchronous machine Gas control control equipment 9.
The motor controlling cabinet of refuse disposal system of the present utility model is for controlling the startup of threephase asynchronous, stopping Only, the control device for running, protecting.Star-triangle conversion decompression startup, soft start, three kinds of startups of self-coupling voltage reducing can be divided into Mode, reduces dash current when starting, can relatively frequently start and stop motor, and motor is unlikely to overheat, and can be easily The starting characteristic of regulation motor, so as to extend the life-span of motor.
Described electrical control equipment 9 is provided with control computer or PLC control modules.Electrical control equipment 9 is using electricity Brain programming operation, realizes the automation of whole-process control.The operation speed of computer or PLC control module program setting all devices Degree, is allowed to mutually coordinated.
Described electrical control equipment 9 is provided with overload protecting circuit, open-phase protection circuit, current foldback circuit, under-voltage guarantor Protection circuit, short-circuit protection circuit, overheating protection circuit.
Above-mentioned setting, makes motor have the defencive function of the failure such as overload, disconnected phase, excessively stream, under-voltage, overheat, short circuit, realizes The normal work of system and safety in production, and ensure that equipment is not in catastrophe failure, extend its service life.
As shown in figure 1, four described axle disintegrating machines 4 include four cutter shafts, respectively two main shearing cutter shaft and two pairs Shearing cutter shaft;Two main shearing cutter shafts are disposed adjacent, and the main shear knife on the main shearing cutter shaft forms main shear blade;Two pairs Shearing cutter shaft is arranged on two both sides of main shearing cutter shaft, the secondary shear knife on two secondary shearing cutter shafts respectively with main shearing knife-edge Into secondary shear blade.
One group of cutter is respectively provided with each main shearing cutter shaft and secondary shearing cutter shaft.
The shearing mechanism of said structure is:
Main cut mode:Relative cutting is formed between adjacent main shear knife group cutting edge;
Secondary cut mode:Formation is relative between adjacent main shear knife group and secondary shear knife group cutting edge cuts
Four described axle disintegrating machines 4 are provided with crusher screen.
The discharging size of four axle disintegrating machines 4 is controlled by screen cloth, and after material is by cutting at one time, particle size is than screen cloth net The small material of eye will discharge from mesh;The size material bigger than mesh, by the guide effect of main shear knife and secondary shear knife, Returning to broken case along screen cloth inner surface carries out secondary cutting;So circulation, until material all can discharge from mesh Untill.
As shown in figure 4, in described vertical helical air floatation machine 5, the rotating guide 25 of Spiral distribution is provided with along its axis.
Rubbish after crushing, preliminary sorting is carried out in vertical helical air floatation machine 5, separates floating object.
In the lower section of described rotating guide, filter screen 26 is provided with, in the upper surface of described filter screen 26, be provided with Scraper plate 54.The effect of scraper plate 54 is to prevent rubbish from blocking sieve mesh, improves overanxious ability and effect.
The sewage draining valve 27 of time opening is provided with the bottom of described vertical helical air floatation machine 5.Some proportions are larger Dirt, precipitation is formed in the bottom of vertical helical air floatation machine 5, can be by sewage draining valve 27 by its regular discharge.
Observation window 28 is set in the described lower end cone of vertical helical air floatation machine 5.Observation window is used to observe vertical helical The accumulation situation of the heavier dirt of the lower end cone of air floatation machine 5, is processed to open sewage draining valve 27 in time.
In the upper end of described vertical helical air floatation machine 5, floating object guiding gutter is set.Floating object is discharged vertical by guiding gutter Formula spiral air floatation machine 5 is reclaimed.
The rotating guide 25 of Spiral distribution rotates at a high speed, more convenient and thoroughly report realizes dividing for floating object and other rubbish From.At this moment described floating object is mainly plastics and greasy dirt, regenerated plastics will can be produced after plastics recovery, after greasy dirt is reclaimed Harmless treatment is carried out as the raw material of industry, fully accomplishes twice laid.
As shown in figure 3, described dissolved gas floatator 6 is provided with flotation tank 19, dissolved air water pump 22, pressure air-dissolving tank 23 and pneumatics Machine 24.
Dissolved gas floatator 6 is steel design, and its operation principle is:
Air is forced to be dissolved in water by being pumped into pressure air-dissolving tank 23 under 0.5Mpa pressure, is discharged suddenly In the case of, the air being dissolved in water is separated out, and forms a large amount of fine and close microbubble groups, is adsorbed in slow uphill process and suspended Thing, makes aerosol density decline and float, and reaches the purpose of removal SS and CODcr.Industrial, life is small in can apply to cities and towns Area, food, medical treatment, butcher, gelatine, gelatin, chemical industry, leather, weaving, hotel, printing and dyeing, rubbish, the sewage of the every profession and trade such as papermaking Administer and easily qualified discharge or reuse.
Described dissolved gas floatator 6 is provided with folded plate coagulating basin 16.Folded plate coagulating basin 16 is extension cohesion route, improves cohesion Effect.
Described dissolved gas floatator 6 is provided with regulating reservoir 13.Regulating reservoir 13 takes phase according to the chemical property of sewage and sludge The measure answered.
Described dissolved gas floatator 6 is provided with administration apparatus 14.It is mainly used in delivering the medicine of cohesion.
Scraping machine 18 is provided with described flotation tank 19.After air supporting, a large amount of foams can be generated in liquid surface, needed To be removed using scraping machine 18.
Described dissolved gas floatator 6 is provided with release 17.Release is the critical component for producing microbubble, what dissolving came Dissolved air water is sufficiently mixed with waste water herein, suddenly release, produces vigorous agitation and vortex, forms diameter and is about 20-80um's Microbubble, so as to invest on the floccule body in waste water, so as to reduce the rising proportion of floccule body, clear water is completely separated out;
Micro- flotation air floatation machine substantially increases the effect of sewage disposal by brand-new rectification measure.Its general principle is:
Micro- flotation technology, when removal suspension solid content and colloidal attitude material is separated, is the microbubble for producing physical method Adhered to each other with the fine flotation material in handled water, fine wadding polymers, form intergranular capsule folder and middle bubble bridge formation is viscous Attached " the copolymerization adhesion " for having both at the same time, in addition chemical flocculation effect, completes micro- flotation.Separation of solid and liquid is realized, enables sewage net Change.
The characteristics of dissolved gas floatator 6:
1st, micro- flotation air floatation machine is furnished with high-efficiency dissolued-air system, microbubble average diameter in below 1um, and at present both at home and abroad The level of 20-50um compares, and at least reduces 20 times, i.e., when molten tolerance is equal, microbubble total surface area is at least increased More than 400 times.In fact, because dissolved-air rate is greatly improved, microbubble total surface area or bubble density increased thousands of times.Science is ground Study carefully and show:After microbubble diameter is less than certain value, according to statistical mechanics, the impact of its periphery hydrone warm-up movement will lose Balance, bubble will participate in part Brownian movement, extremely advantageous to expand micro- in oxygen molecule in bubble is to sewage, thus aeration effect will It is higher by and is far above thousands of times;
2nd, special stainless steel mechanism is used in micro- flotation air floatation machine, unprecedented rectification, steady flow result is played, and Special efficient release system, eliminates the energy of dissolved air water, that is to say, that make high energy of the molten gas from depth balance to greatest extent Value, drops to the low energy value almost close to normal pressure;
3rd, micro- flotation air floatation machine compact conformation, miniaturization, floor space are small;As day processes 1000-4000m3Water, if Standby height only 5.5m, takes up an area 10m2, either inside is may be mounted at completely;
4th, mechanomotive force consumption is few, and more than 50% can be reduced than common air supporting;
5th, chemical consumption is low, and more than 50% can be reduced than common Bubble-floating Method;
6th, discharge concentration is high.Up to more than 4%, water outlet is as clear as crystal, and, up to more than 96%, insoluble COD can for SS clearances All removals.
As shown in figure 5, described solid-liquid separating machine 7 is provided with rotary drum screen cloth concentration structure 32.
Structure 32 is concentrated by the moisture extrusion in sludge by rotary drum screen cloth, sludge volume is substantially reduced, form screen cloth Thickened sludge 31.
Described solid-liquid separating machine 7 is provided with conditioning mixer 30.The inconsistent sludge of concentration is well mixed.
Described conditioning mixer 30 is provided with thickened sludge import 34, flocculating agent import 29.
Screen cloth thickened sludge 31 is discharged outside solid-liquid separating machine 7 by after pressure processing, forming sludge cake 33, by transporting Defeated machinery is transported, and is processed further.Because the Main Ingredients and Appearance of sludge cake 33 at this moment has been inorganic matter, so this practicality is new Type also sets building block production equipment herein, and the sludge cake 33 that will be produced in garbage processing procedure carries out deep processing, produces Construction material, increases economic efficiency.
Concentration is a kind of important method for reducing sludge volume.In sludge handling process, gravity concentration is typically all used The preprocess form that is operated as sludge dewatering of method.But solid-liquid separating machine of the present utility model 7 is dense using two section type rotary drum Contracting mud, is on the basis of former belt filter press and Barrate type grilling machine, by the new dirt of optimum organization Mud concentrator, can apply to various industrial sludge dewater treatments, butcher, at animal husbandry sludge dewatering treatment, municipal sewage Solid-liquid separation dehydration treatment in reason factory sludge dewatering treatment, the condensing treatment of purification plant sludge, the various flows of food chemistry mining industry.
The concentration of NC type lightweight center transmission thickener activated sludge suitable for the industries such as municipal administration, light industry, NC types are heavy Than great, the fast sludge condensation of subsidence velocity suitable for the treatment of the industry sewages such as mine, smelting, steel.
The technology features of two section type drum concentration mud:
1st, overall investment is saved, including plant equipment, automatic control electrical system, civil engineering and fees paid for taking rural land;
2nd, floor space is small, usually 1st/to ten/5ths of conventional treatment process floor space, plant area's arrangement It is compact, it is attractive in appearance;
3rd, the water quality after processing is good, can be better than one-level emission standard A or miscellaneous domestic water quality standard;
4th, technological process is short, and the efficiency of transmission of oxygen is high, and system oxygen-transfer efficiency is up to 30% -35%, oxygen supply power consumption It is low;
5th, the rate of filtration is fast, and treatment load is much higher than conventional treatment process;
6th, strong shock resistance, climate, water and change of water quality influence is small, is particularly suitable for cold weather area, and Can intermittent duty;
7th, closed factory building can be built up, the influence of foul smell, noise to surrounding environment is reduced, visual perception's effect is good;
8th, all using PLC Based Intelligent Controls, operating personnel are few, and operational management is convenient, are easy to safeguard;
9th, whole modular constructions, are convenient for the reorganization and expansion in later stage.
As shown in fig. 6, described sewage purifier 8 is provided with air floatation machine 44 and air-dissolving apparatus.
Described air floatation machine 44 is steel circular profile, is internally provided with release, uniform device, sludge sump, scraper plate and biography Dynamic system;Described air floatation machine 44 is additionally provided with sludge discharging pipe 42 and clear water outlet pipe 43.
Described air floatation machine 44 is provided with a medicine storing pot 39 and No. one is mixed medicinal cupping 40.
A described medicine storing pot 39 and medicament mixed in medicinal cupping 40 be polyacrylamide, polymer alumina, salt phenol, One kind in chlorine dioxide, chlorine dioxide and sodium hypochlorite, or various any combination.
Wherein:
Polyacrylamide (PAM):It is high molecular weight water soluble polymer, insoluble in most of organic solvents, with good Flocculability, can reduce the frictional resistance between liquid.
Effect of the air supporting from polyacrylamide:
Bubble-floating Method mainly uses the gas to be aoxidized sewage, and most of air supporting is directed to the depth of two stage biological treatment Treatment, current most common industry is directed to the supplement process after oil-polluted water oil removal.Bubble-floating Method can be efficiently used for activity The concentration of sludge;The removal of suspended impurity in sewage.Air supporting is relatively good from the polyacrylamide effect of anion, particularly portion Divide dissolved air flotation method, have both infinite reflux, the technological advantage of full air-dissolving air-float, and comparing gas distribution Bubble-floating Method has treatment sewage The characteristics of measuring big, treatment effect is high;Have the advantages that to save electric energy compared to electrolytic gas float glass process and operating cost is relatively low, be adapted to the modern times Industry energy conservation, environmental protection, the requirement for subtracting consumption, synergy.
Aluminium polychloride:It is that traditional inorganic coagulant is low molecule crystallization with the fundamental difference of traditional inorganic coagulant Salt, and the structure of aluminium polychloride is made up of the changeable polycarboxy complex compound of form, flocculation sediment speed is fast, is applicable pH value model Width is enclosed, to pipe-line equipment non-corrosiveness, purifying water effect substantially, can the weight such as chromaticness SS, COD, BOD and arsenic, mercury effectively in branch water removal Metal ion, the product is widely used in drinking water, industrial water and sewage treatment area.
Chlorine dioxide (disinfectant):Chlorine dioxide because it has sterilizing ability strong, human body and animal are safe from harm with And the features such as do not cause secondary pollution to environment and enjoy the favor of people.Chlorine dioxide be not only it is a kind of do not produce it is carcinogenic Broadspectrum environment-protective type disinfection sanitizer, but also show significant effect at the aspect such as sterilization, food fresh keeping, deodorant.As oxygen Agent, deodorant, biocide, antistaling agent, bleaching agent etc..
Secondary sodium chloride (also making sodium hypochlorite):Strong oxidizer, as bleaching agent, oxidant and water scavengine agent be used for papermaking, Weaving, light industry etc., with bleaching, sterilized, sterilization effect.For the purification of water, and make disinfectant, association with pulp bleaching etc., With chloramines processed etc. in medical industry.
Described air floatation machine 44 is connected by sewage pump 45 with sewage pipe 46.
Described sewage pipe 46 is mixed medicinal cupping 48 and is connected with No. two medicine storing pots 47 and No. two.
Described No. two medicine storing pots 47 and No. two medicaments mixed in medicinal cupping 48 be polyacrylamide, polymer alumina, salt phenol, One kind in chlorine dioxide, chlorine dioxide and sodium hypochlorite, or various any combination.
It is identical that above-mentioned medicament mixes medicinal cupping 40 with a medicine storing pot 39 and No. one.
Described air-dissolving apparatus include air compressor machine 35, air accumulator 36, dissolving 38;Described dissolving 38 passes through high-pressure pump 44 are connected with air floatation machine 44;Described air compressor machine 35 is connected with air accumulator 36;Described air accumulator 36 by gas control cabinet 37 with it is molten Gas tank 38 is connected.
Sewage purifier stable and reliable operation of the present utility model, effluent quality is good, and processing cost bottom is easy to operate, It is easy to grasp.
Dissolved air flotation sewage treatment machine is steel design, and its operation principle is:
Air is forced to be dissolved in water by being pumped into pressure air-dissolving tank under 0.5MPA pressure, in unexpected release In the case of, the air being dissolved in water is separated out, and forms a large amount of to close microbubble group, is adsorbed in slow uphill process and suspended Thing, makes aerosol density decline and float, and reaches the purpose of removal SS and COD, and the product adaptation is in oil, chemical industry, papermaking, skin The sewage disposals such as leather, printing and dyeing, food, starch.
Dissolved gas floatator use new and effective molten gas equipment --- microbubble generator, instead of traditional bleed equipment to Molten gas in water, and some inclined tube groups are installed in air supporting region, including casing, Slag Scraping Device, spiral discharging machine collectively constitute one Complete air-float purifier.
Theoretically, pneumatically supported treatment effect is not contacted directly with the residence time, and only relevant with air supporting area, If the air flotation zone of depth of water H is reduced into depth of water H/10, then air supporting distance and residence time will all reduce 10 times, here it is writing " shallow pool theory " of name.It is increase air supporting area that air flotation zone adds the purpose of inclined tube, greatly reduces Reynolds number, keeps away air supporting Exempt to be carried out under turbulent condition, manufacture good laminar condition, reach the effect of shallow air-floatation.Similarly, when the density of suspension During more than 1, due to being mounted with inclined tube group, the effect of shallow pond precipitation will be produced, so that being carried out under being deposited in turbulent-flow conditions.Grain The polluter for being difficult to float that footpath religion is big, proportion religion is big will be focused in mud collection area, reach the purpose of water purification.By current side Formula can be divided into:Flat flow dissolved gas floatator, up flow type dissolved gas floatator and composite type dissolved gas floatator.
Sewage purifier of the present utility model has following technical characterstic:
The air-breathing in water suction, pressurization mixing, 10~30 microns of micro air bubble size in pump.Conventional apparatus are overcome to run unstable Fixed, air pocket seethes and discharges blockage problem.Air floatation machine is easy for installation, and high treating effect, energy ezpenditure is low, can effectively remove The frivolous flco for precipitating is difficult in waste water.
1st, air supporting function eliminates sludge bulking;
2nd, disposal ability is big, efficiency high, take up an area it is few;
3rd, skill process and device structure are simple, are easy to use, safeguard;
4th, float machine when to water in be aerated, to go water removal in surfactant and stink have positive effect, simultaneously because Aeration increased the dissolved oxygen in water, for postorder treatment provides advantage.
Solid suspension, grease and various glue that dissolved gas floatator herein is used to remove in various industry and municipal wastewater The equipment of shape thing.Dissolved gas floatator is widely used in oil refining, chemical industry, brewages, vegetable oil production and refining, butcher, electroplate, printing and dyeing Deng the treatment of industrial wastewater and municipal wastewater.
Vertical-flow dissolved gas floatator (being also circular dissolved gas floatator), manages using new molten mechanism of qi, devises novel and unique Air dissolving system, the remarkable treatment effect of its excellent operating characteristics finds full expression in Industrial Wastewater Treatment.The product Product are mainly adapted to the sewage disposals such as oil, chemical industry, papermaking, leather, printing and dyeing, food, starch.
The dissolved air flotation sewage treatment machine structure is mainly comprised the following steps:
1st, air floatation machine:
Circular steel design, is the main body and core of water treatment machine.There are release, uniform device, sludge pipe, water outlet in inside Pipe, sludge sump, scraper plate and transmission system etc..
Release is placed in the middle position of air floatation machine, is the critical component for producing microbubble, and the dissolved air water that dissolving comes exists Here it is sufficiently mixed with waste water, suddenly release, produces vigorous agitation and vortex, forms the microbubble that diameter is about 20-80um, So as to invest on the floccule body in waste water, so as to reduce the rising proportion of floccule body, clear water is completely separated out;
The structure of uniform device journey taper, is connected on release, and Main Function is that the clear water that will separate and sludge are equal It is even to intersperse among tank body;
Outlet pipe is distributed in tank body lower part, and is connected to tank top spilling by a upright pipe,
Overfall is provided with water level regulation handle, is easy to water level in regulation tank;
Sludge pipe is installed on tank base, for discharging sediment;
Tank body top does not have sludge sump, there is scraper plate on groove, and scraper plate can not stall, and the sludge of floating constantly is scraped into sludge sump It is interior, it flow in sludge-tank certainly.
2nd, air dissolving system:
Air dissolving system is mainly made up of dissolving, air accumulator, air compressor, high-pressure pump.
Dissolving is the part of most critical in system, and its effect is exactly to realize being fully contacted for water and air, accelerates air Dissolving.It is a closed pressure resistant cylinder of steel, and indoor design has baffle plate, spacer, the dispersion that can accelerate gas and water body, mass transfer mistake Journey, improves molten gas efficiency.
3rd, pharmacy jar:
Pharmacy jar steel round can, for dissolving storage liquid, two of which is dissolving tank, with agitating device, in addition two Individual is medicament storage tank, and volume is supporting with treatment capacity of water.
Installation steps:
Dissolved gas floatator is widely used in plumbing and wastewater treatment, and it is difficult to precipitate in can effectively removing waste water Frivolous flco.Its installation steps should be as follows:
1st, the electric appliance box of air floatation machine should typically be placed on staircase side, and environment should clean, cleaning.
2nd, before air floatation machine is installed, it is necessary to compacting foundation.And with the padded 100-150mm of concrete mortar.Also can built on stilts installation, But basic necessity can undertake weight when equipment is run.
3rd, outlet can connect sewer discharge, need to such as enter lower road treatment process, directly can connect with lower road processing equipment.
4th, adjustment level is needed after in place.
5th, the duct coupling between import and reaction tank, it is desirable to more short better, in order to avoid wadding doubts body be destroyed in the duct.
6th, outlet can be connected to sludge sump or sludge treatment device.
7th, gas air floatation machine need to set cleaning sewer, can dig open channel, it is also possible to directly be connected to regulating reservoir using pipeline, so as to The water for rinsing flotation tank is discharged.
Dissolved gas floatator is a kind of separation of solid and liquid airfloat equipment used in sewage, mainly Water warfare, sanitary sewage, The impurity such as SS, CODcr in sewage can be effectively removed in Industrial Wastewater Treatment.Points for attention of dissolved gas floatator and daily Maintenance method is as follows:
1st, clarified water pump, air compressor machine, scraping machine want intermittent oiling to lubricate, and general air compressor machine two months plus once oil, half a year change It is once oily.
2nd, into the necessary dosing of sewage of dissolved gas floatator, otherwise effect is undesirable.
3rd, pressure gauge reading must not exceed 0.6MPa on dissolving.
4th, inspect periodically on the dissolving of dissolved gas floatator safety valve whether reliable operation.
5th, when release is blocked, vacuum pumping valve can be opened, opens release tongue piece, make it voluntarily clear with clear water Wash.
6th, how much flotation tank should regard sediment, periodically be cleaned.
Dissolved gas floatator be widely used in water factory, sewage farm, steel, oil, chemical industry, printing and dyeing, weaving etc. each Industry, gas and recirculation water are sucked together through pump inlet, then through pump impeller meet into tiny dissolved air water, then by pressure-reducing valve Milky dissolved air water is discharged into, flocculation is floated, so as to reach purification purpose.Several advantages of dissolved gas floatator are:
1st, dissolved gas floatator performance steady in a long-term, easy to operate, easy care, low noise;
2nd, the efficient absorption of dissolved gas floatator (air-dissolving air-float equipment) microbubble and suspended particulate, improves the removal effect of SS Really;
3rd, air floatation machine automatically control and simplicity maintenance, become real " fool " formula processing system.
4th, dissolved gas floatator multiphase flow pump may replace force (forcing) pump, air compressor machine, large-scale dissolving, ejector and discharge first-class;
5th, dissolved air water dissolved efficiency 80-100%, than 3 times of traditional air-dissolving air-float efficiency high;
6th, dissolved gas floatator can be mixed with being pressurizeed in air-breathing, pump in water suction, gas-liquid dissolved efficiency is high, micro air bubble≤20 μm;
7th, multilayer spoil disposal, it is ensured that outlet effect;
8th, low pressure operation, up to 99%, outgassing rate is up to 99% to molten gas efficiency high.
As shown in fig. 7, the unlimited implement of described refuse disposal system is arranged in garbage disposal station 10, it is described Garbage disposal station 10 be closed prefabricated house structure, be provided with the transport channel 49 that rubbish is transported into and garbage disposal product is transported And transport door 50.
Described transport channel 49 is the passage of slope shape, facilitates the turnover of rubbish and Working vehicle.Transport door 50 is real It is now automatic, or electric opening, make more convenient operation, quick.
Described unlimited implement includes bag breaker 1, belt conveyor 2, tramp iron separator 3, four axle disintegrating machines 4 and vertical spiral Rotation air floatation machine.
Described garbage disposal station 10 is provided with personnel's inlet/outlet 51.Described electrical control equipment 9 may also be arranged on rubbish In rubbish treatment station 10.
The wall or door of described garbage disposal station 10 are provided with system operation observation window 52.
Described garbage disposal station 10 is provided with ventilation equipment 53.Because garbage disposal station 10 has certain sealing Can, therefore, the dirty gas in garbage disposal station 10 is discharged by ventilation equipment 53, and carry out purification of air treatment.
Economic and Efficiency Analysis of the present utility model:
After the technical solution of the utility model popularization and application, the price of every suit system is about at 40-50 ten thousand yuan.By one Enterprise produces 5000 sets of calculating, and annual value of production, can about 300,000,000 yuan of contribution tax up to more than 2,000,000,000 yuan.
Rubbish is produced into building thermal insulation material and other products after separating, 1,500,000 tons of rubbish of year consumption can therefrom be changed into Resource, value per ton can produce 7.5 hundred million yuan of value with 1000 yuan of calculating, year 300000000 yuan of contribution tax.
If taking technology transfer mode, annual by 1000 enterprise calculations are transferred the possession of, 50,000 yuan of each enterprise's transfer fee can 50,000,000 yuan of acquiring technology transfer fee.
After project is gone into operation, indices average annual growth 10%.
Due to China so that global rubbish quantum of output it is increasing, it is necessary to treatment space it is very big, therefore, implement this The technical prospect of utility model is very optimistic.
The utility model is exemplarily described above in conjunction with accompanying drawing, it is clear that the utility model is implemented not to be received The limitation of aforesaid way, as long as employing changing for the various unsubstantialities that method design of the present utility model and technical scheme are carried out Enter, or it is not improved by it is of the present utility model design and technical scheme directly apply to other occasions, in the utility model Protection domain within.

Claims (1)

1. urban household waste treatment system, is provided with bag breaker (1), belt conveyor (2), tramp iron separator (3), four axle disintegrating machines (4), vertical helical air floatation machine (5), dissolved gas floatator (6), solid-liquid separating machine (7), sewage purifier (8), Biohazard Waste Disposal Room (10);
It is characterized in that:
Described bag breaker (1) is provided with multiple bale broken hooks, is moved under motor driving, and the various packaging bag hooks of load garbage are broken, Rubbish is all shaken off to the belt of belt conveyor (2);
Rubbish is sent to four axle disintegrating machines (4) by described bag breaker (1) by belt conveyor (2);
Described tramp iron separator (3) is arranged on belt conveyor (2);
Described tramp iron separator (3) is permanent magnetism self-unloading type deferrization device, is provided with framework (55), the permanent magnetic core of double field structures (56) iron belt (57), reducing motor (58) and roller (59), are abandoned;
Described tramp iron separator respectively sets one at the two ends of described belt conveyor (2);
Conveyer belt is set between four described axle disintegrating machines (4) and vertical helical air floatation machine (5);Through four described axle disintegrating machines (4) rubbish after crushing is sent to described vertical helical air floatation machine (5) by conveyer belt;
Four described axle disintegrating machines (4) include four cutter shafts, respectively two main shearing cutter shafts and two secondary shearing cutter shafts;Two Main shearing cutter shaft is disposed adjacent, and the main shear knife on the main shearing cutter shaft forms main shear blade;Two secondary shearing cutter shafts are set Secondary shear knife on two both sides of main shearing cutter shaft, two secondary shearing cutter shafts forms secondary shear blade with main shear knife respectively;
Described vertical helical air floatation machine (5) is connected by returning to pure water pipe (11) with sewage purifier (8);Described is vertical Spiral air floatation machine (5) is connected by sewage pipe (12) with solid-liquid separating machine (7);
In described vertical helical air floatation machine (5), the rotating guide (25) of Spiral distribution is provided with along its axis;
The outlet of sewer of described solid-liquid separating machine (7) is connected by pipeline with sewage purifier (8);
Described sewage purifier (8) is provided with air floatation machine (44) and air-dissolving apparatus;Described air floatation machine (44) is circular for steel Profile, is internally provided with release, uniform device, sludge sump, scraper plate and transmission system;Described air floatation machine (44) is additionally provided with sludge Outlet pipe (42) and clear water outlet pipe (43);Described air floatation machine (44) is provided with a medicine storing pot (39) and No. one is mixed medicinal cupping (40);
Described garbage disposal station (10) is closed prefabricated house structure, is provided with that rubbish is transported into and garbage disposal product is transported Transport channel (49) and transport door (50).
CN201521110823.6U 2015-12-25 2015-12-25 Urban household waste treatment system Active CN206229521U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111617860A (en) * 2020-06-04 2020-09-04 钱桂林 Garbage disposal device with compression structure based on construction waste
CN113562947A (en) * 2021-09-24 2021-10-29 南京工大环境科技南通有限公司 Sludge deironing device for environmental improvement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111617860A (en) * 2020-06-04 2020-09-04 钱桂林 Garbage disposal device with compression structure based on construction waste
CN113562947A (en) * 2021-09-24 2021-10-29 南京工大环境科技南通有限公司 Sludge deironing device for environmental improvement

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