CN105478231B - Urban household waste treatment system - Google Patents
Urban household waste treatment system Download PDFInfo
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- CN105478231B CN105478231B CN201511003366.5A CN201511003366A CN105478231B CN 105478231 B CN105478231 B CN 105478231B CN 201511003366 A CN201511003366 A CN 201511003366A CN 105478231 B CN105478231 B CN 105478231B
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- 238000011282 treatment Methods 0.000 title claims abstract description 31
- 239000010791 domestic waste Substances 0.000 title claims abstract description 8
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 101
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 72
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 67
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/16—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts
- B03C1/22—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with non-movable magnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physical Water Treatments (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of tramp iron separator of urban household waste treatment system (3), it is arranged on belt conveyor (2)；Described tramp iron separator (3) is permanent magnetism self-unloading type deferrization device, be provided with framework (55), double field structures permanent magnetic core (56), abandon iron belt (57), reducing motor (58) and roller (59).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 labor intensity in processing procedure, save a large amount of man power and materials；Using rubbish as raw materials for production, organic matter therein, inorganic matter are separated and rationally utilized, produces organic fertilizer, building block material；White pollution thing produces building thermal insulation material, realizes garbage harmless, recycling.
Description
Technical field
The invention belongs to the technical field of environmental engineering.A kind of more particularly it relates to application of city life garbage
Processing system.
Background technology
With the fast development of China's economy, substantial amounts of resource is consumed, produces substantial amounts of waste, has a strong impact on and makes
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 country and accelerates cultivation and seven emerging strategic industries developed by country
One of.
According to statistics, about 2.77 hundred million tons of China's application of city life garbage yield in 2011, accounts for whole world refuse production
26%, it is the big country of rubbish first, and annual also with 5%~8% or so speed increase in the world.
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 is beaten to urban development, more consumed substantial amounts of human and material resources and financial resources to handle.
At present, the trash processing way in China, mainly there are 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 investment is big, costly, can also discharge the harmful substances such as dioxin, mercury, the clinker and dust of residual also have
It is malicious, harmful, and burned a large amount of recyclable resources；The cycle length of compost, organic matter and inorganic matter need to dispense just can be with
Recovery.
The content of the invention
In order to solve the problems, such as that prior art is present, the present invention provides a kind of urban household waste treatment system, its purpose
It is the harmless treatment and recycling for realizing townm refuse.
To achieve these goals, the technical scheme taken of the present invention is：
The urban household waste treatment system of the present invention is provided with bag breaker, belt conveyor, four axle disintegrating machines, vertical helical
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 is set
Put, its cross section forms " V " shape, turns into bakie.
Described adjustable sieve separation structure is provided with sieve plate and is used to adjust apart from adjustment structure apart from adjustment structure, described sieve plate
The groove width of bakie.
On each described bakie, 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, be provided with framework, double field structures permanent magnetic core, abandon iron
Belt, reducing motor and roller.
Described tramp iron separator respectively sets one at the both ends of described belt conveyor.
The electric-controlled that described refuse disposal system is provided with startup, stopping and the protection of control threephase asynchronous machine is set 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 are set
The secondary shear knife put on the both sides of two main shearing cutter shafts, 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, provided with filter screen, in the upper surface of described filter screen, provided with scraping
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 No.1 medicine storing pot and No.1 mixes medicinal cupping.
The medicament that described No.1 medicine storing pot and No.1 mix in medicinal cupping is polyacrylamide, polymer alumina, salt phenol, dioxy
Change one kind in chlorine, chlorine dioxide and sodium hypochlorite, or a variety of any combination.
Described air floatation machine is connected by sewage pump with sewage pipe.
Described sewage pipe is mixed medicinal cupping with No. two medicine storing pots and No. two and is connected.
Described No. two medicine storing pots and No. two medicaments mixed in medicinal cupping are polyacrylamide, polymer alumina, salt phenol, dioxy
Change one kind in chlorine, chlorine dioxide and sodium hypochlorite, or a variety of any combination.
Described air-dissolving apparatus includes 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 transported into provided with rubbish and transport channel that garbage disposal product transports 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 present invention uses above-mentioned technical proposal, and rubbish is treated as useful resource, by civil engineering, plant equipment,
With techniques such as centrifugation, magnetic, floating, filterings, at home and abroad initiate using water as medium, with physics, chemical method pair
Application of city life garbage carries out advanced treating；The pernicious gas in rubbish can be decomposed, while can also dilute the nuisance in rubbish
Matter；Pass through centrifuging process so that moieties floating, circulation, substantially reduce the labor intensity in processing procedure, save a large amount of people
Power and material resources；Using rubbish as raw materials for production, organic matter therein, inorganic matter are separated and rationally utilized, produce organic fertilizer,
Building block material；White pollution thing produces building thermal insulation material, realizes garbage harmless, recycling；It, which has the special feature that, is：
1st, rubbish is without packing, it is not necessary to carries out processing early stage to rubbish, reduces processing links；
2nd, device miniaturization, the treatment in situ of rubbish is realized, 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；Cost is low, less energy consumption；Small investment, its popularization and application are not limited by region and environment, are easy to popularize；
4th, the water in processing procedure can reuse, and fully achieve zero-emission, the no pollution of garbage disposal；Fully examine
Consider the various compositions contained by rubbish, maximized secondary use can be obtained, while secondary pollution will not be caused；
5th, above-mentioned technical proposal can create huge economic benefit, be particularly suitable for the national conditions and garbage property in China.
Brief description of the drawings
Content shown in accompanying drawing and the mark in figure are briefly described as follows：
Fig. 1 is the general structure schematic diagram of the present invention；
Fig. 2 is the tramp iron separator structural representation in the present invention；
Fig. 3 is the dissolved gas floatator structural representation of the present invention；
Fig. 4 is the vertical helical air floatation machine structural representation of the present invention；
Fig. 5 is the solid-liquid separating machine structural representation of the present invention；
Fig. 6 is the structural representation of the sewage purifier of the present invention；
Fig. 7 is the garbage disposal station structural representation of the present invention；
Fig. 8 is the structural representation of the vibration screening device of the present invention；
Fig. 9 is the top view of structure shown in Fig. 8.
In figure mark for：
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, No.1 medicine storing pot, 40, No.1 mix 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.
Embodiment
Below against accompanying drawing, by the description to embodiment, embodiment of the invention is made further details of
Illustrate, to help those skilled in the art to have more complete, accurate and deep reason to inventive concept of the invention, technical scheme
Solution.
Structure of the invention as shown in Figure 1, is urban household waste treatment system.
Theory of the present invention based on energy-conserving and environment-protective, innovation driving, there is provided application of city life garbage secondary utilization system processing
Technique, equipment technology, meet country on energy-conserving and environment-protective industrial policy and developing direction, the spy with emerging strategic industries
Point.The present invention is at home and abroad initiated using water as medium, and with physics, chemical method, depth and thorough is carried out to application of city life garbage
Bottom is managed, and realizes garbage harmless, recycling, it is proposed that new thinking and new method.
Technology of garbage disposal provided by the invention, rubbish is treated as useful resource, realizes the secondary of rubbish
Utilize.Its advantage is：
1st, rubbish is adapted to China's actual conditions, i.e., carries out integrated treatment to all kinds of rubbish without packing；
2nd, device miniaturization, the treatment in situ of rubbish is realized, 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 present invention reduces the high efficiency of carbon emission, the gold medal project belonged under the United Nations's Clean Development Mechanism (UNCDM) item.
By taking a medium-sized city as an example, about 4000 tons of house refuse is produced daily at present, after implementing the present invention, can reduce carbon dioxide row every year
High-volume more than 840,000 tons of (CER).This will make tremendous contribution for completing energy-saving and emission-reduction index；Meanwhile the thing after refuse classification
The product of matter secondary use can create 2.16 hundred million yuans of annual profits tax.
In order to solve the problems, such as that prior art exists and overcomes its defect, the harmless treatment and recovery of townm refuse are realized
The goal of the invention utilized, the technical scheme that the present invention takes are：
Broken as shown in figure 1, the urban household waste treatment system of the present invention is provided with bag breaker 1, belt conveyor 2, four axles
Broken 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.
The above-mentioned technical proposal of the present invention, is related to civil engineering, plant equipment, with centrifugation, magnetic, floating, filtering etc.
Technique, the organic matter in rubbish, inorganic matter are separated and rationally utilized, production organic fertilizer, building block material；White pollution
Thing produces building thermal insulation material.Huge economic benefit can be created, meets China using rubbish as raw materials for production, its product
National conditions and garbage property, suit measures to local conditions, and small investment, are easy to popularize.
In view of the various compositions contained by rubbish, maximized secondary use can be obtained, while secondary dirt will not be caused
Dye；Using water as medium, the pernicious gas in rubbish can be decomposed, while can also dilute the harmful substance in rubbish, passes through centrifugation
Technique so that moieties floating, circulation, substantially reduce the labor intensity in processing procedure, save a large amount of man power and materials；Place
Water during reason can reuse, and accomplish zero-emission.Entirely the garbage treatment quantity of production process is big, power consumption is few, its
Popularization and application are not limited by region and environment.
After technical finesse of the townm refuse using the present invention, following product can be produced：
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, are processed into building after crushed
Material；
3rd, metal, 2%-the 3% of rubbish total amount is accounted for, into recycling economy；
4th, moisture, 20%-the 30% of rubbish total amount is accounted for, the processing system that the present invention is entered after processing recycles；
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 is high-quality soil supplement fertilizer after sterilization and drying process.
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 is broken, 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, transmission mechanism is set to be 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.
Belt conveyor 2 is sent to by the transmission mechanism in the rubbish that the sub-sieve of bag breaker 1 goes out, 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 forms " V " shape, turns into bakie 63.All kinds of cylindrical batteries are leaked down by bakie 63, then are passed through
Container collection.
It will be stuck in due to being arranged to the rubbish such as " V " shape structure, columned battery in groove, wait pusher 64 fixed
When be pushed out, realize the separation of battery.
Described adjustable sieve separation structure 61 is provided with sieve plate and is used to adjust apart from adjustment structure apart from adjustment structure, described sieve plate
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 each described bakie 63, pusher 64 is set；Its pusher direction is consistent with the direction of bakie.Pusher
Structure 64 realizes that timing pusher is moved；Or the signal obtained according to induction installation carries out pusher motion, by battery from rubbish it is first
First separate.
Pass through above-mentioned technical proposal, the harmful substances such as battery are separated from rubbish first, be the depth of next step
Processing is got ready, and is laid the foundation.
Belt conveyor 2 carries out iron removaling operation, and the rubbish for eliminating impurity iron then is put 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 has perfect pair suitable for removing ferromagnetic material automatically from non-magnetic material
Field structure, to ensure complete 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, goes to non-magnetic position, given up
Iron is automatically fallen off, and is carried out the collection of scrap iron, is recycled.
Described tramp iron separator 3 respectively sets one at the both ends of described belt conveyor 2.
One tramp iron separator 3 is respectively set at the both ends of described belt conveyor 2, its effect is：Ensure all Magnetic Materials
Matter can be eliminated.
When setting, the suction of tramp iron separator 3 of front end can be made to make two tramp iron separators 3 less than the suction of the tramp iron separator 3 of rear end
Each performs its own functions, fully removes magnetisable material；And the iron removaling abandoned the movement velocity of iron belt 57 and be less than front end of the tramp iron separator 3 of rear end
Device 3, ensure that scrap iron is difficult for drop-off.
As shown in figure 1, described refuse disposal system is provided with the electricity of startup, stopping and the protection of control threephase asynchronous machine
Gas control control equipment 9.
The present invention refuse disposal system motor controlling cabinet be for control the startup of threephase asynchronous, stopping,
Operation, the control device of protection.Three kinds of star-triangle conversion decompression startup, soft start, self-coupling voltage reducing startup sides can be divided into
Formula, reduce dash current when starting, can relatively frequently start and stop motor, and make motor be unlikely to overheat, and can easily adjust
The starting characteristic of motor is saved, 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, realize 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, make motor that there is the defencive function of the failure such as overload, disconnected phase, excessively stream, under-voltage, overheat, short circuit, realize
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 shafts and two pairs
Shear 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 the both sides of two main shearing cutter shafts, the secondary shear knives 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：Relative cutting is formed between adjacent main shear knife group and secondary shear knife group cutting edge
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 material is by after cutting at one time, and 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,
Broken case, which is returned to, 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 broken, preliminary sorting is carried out in vertical helical air floatation machine 5, separates floating object.
In the lower section of described rotating guide, provided with filter screen 26, in the upper surface of described filter screen 26, it is 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 periodically be discharged it by sewage draining valve 27.
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 handled 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, and more convenient and thorough report realizes point of 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, discharged suddenly by being pumped into pressure air-dissolving tank 23 under 0.5Mpa pressure
In the case of, the air being dissolved in water separates out, and forms a large amount of fine and close microbubble groups, adsorbs and suspends in slow uphill process
Thing, aerosol density is declined and is floated, reach the purpose for removing SS and CODcr.It is small to can apply in cities and towns industry, life
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 simultaneously easily qualified discharge or reuse.
Described dissolved gas floatator 6 is provided with folded plate coagulating basin 16.Folded plate coagulating basin 16 is to extend 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 launching 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, and it is about 20-80um's to form diameter
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 separate remove suspension solid content and colloidal attitude material when, be by microbubble caused by physical method
It is adhered to each other with the fine flotation material in handled water, fine wadding polymers, forms intergranular capsule folder and middle bubble bridge formation is viscous
Attached " the copolymerization adhesion " to have both at the same time, chemical flocculation acts in addition, 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, and microbubble average diameter is in below 1um, and at present both at home and abroad
The horizontal of 20-50um is compared, and at least reduces 20 times, i.e., when molten tolerance is equal, microbubble total surface area at least increases
More than 400 times.In fact, because dissolved-air rate greatly improves, microbubble total surface area or bubble density add 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, it is extremely advantageous expand in oxygen molecule in bubble into sewage it is micro-, 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, plays unprecedented rectification, steady flow result, and
Special efficient release system, the energy of dissolved air water is eliminated to greatest extent, that is to say, that make high energy of the molten gas from depth balance
Value, is dropped to almost close to the low energy value of normal pressure；
3rd, micro- flotation air floatation machine it is compact-sized, miniaturization, floor space it is small；As day handles 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, it is high to discharge concentration.Up to more than 4%, water outlet is as clear as crystal, and for SS clearances up to more than 96%, insoluble COD can
All remove.
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, forms 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 forms sludge cake 33 after pressure processing, and discharges outside solid-liquid separating machine 7, 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 the present invention is also
Building block production equipment is set herein, caused sludge cake 33 in garbage processing procedure is subjected to deep processing, production building
Material, increase economic efficiency.
Concentration is to reduce a kind of important method of sludge volume.In sludge handling process, gravity concentration is typically all used
The preprocess form that is operated as sludge dewatering of method.But the solid-liquid separating machine 7 of the present invention uses two section type drum concentration mud
Water separator, it is on the basis of former belt filter press and Barrate type grilling machine, the new sludge formed by optimum organization is dense
Contracting equipment, can apply to various industrial sludge dewater treatments, butcher, animal husbandry sludge dewatering treatment, municipal sewage plant
Solid-liquid separation dehydration processing in the condensing processing of sludge dewatering treatment, purification plant sludge, the various flows of food chemistry mining industry.
The concentration of NC type lightweight center transmission thickeners activated sludge suitable for the industries such as municipal administration, light industry, NC types are heavy
Than great suitable for the processing of the industry sewages such as mine, smelting, steel, the fast sludge condensation of subsidence velocity.
The technology features of two section type drum concentration mud：
1st, overall investment saves, including plant equipment, automatic control electrical system, civil engineering and fees paid for taking rural land；
2nd, floor space is small, usually 1st/10 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 handling 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 supplies oxygen power consumption up to 30% -35%
It is low；
5th, the rate of filtration is fast, and processing load is much higher than conventional treatment process；
6th, strong shock resistance, climate, water and change of water quality influence are small, particularly suitable for cold weather area, and
Can intermittent duty；
7th, closed factory building can be built up, reduces the influence of foul smell, noise to surrounding environment, visual perception's effect is good；
8th, all using PLC intelligent controls, operating personnel are few, and operational management is convenient, is easy to safeguard；
9th, whole modular constructions, it is 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 No.1 medicine storing pot 39 and No.1 mixes medicinal cupping 40.
Described No.1 medicine storing pot 39 and No.1 mix medicament in medicinal cupping 40 for polyacrylamide, polymer alumina, salt phenol,
One kind in chlorine dioxide, chlorine dioxide and sodium hypochlorite, or a variety of any combination.
Wherein：
Polyacrylamide (PAM)：For high molecular weight water soluble polymer, insoluble in most of organic solvents, have well
Flocculability, the frictional resistance between liquid can be reduced.
The effect of polyacrylamide is selected in air supporting：
Bubble-floating Method is mainly aoxidized sewage using gas, and most of air supporting is the depth for two stage biological processing
Processing, current most common industry are to be 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 there is processing sewage compared to gas distribution Bubble-floating Method
The characteristics of amount is big, and treatment effect is high；There is the advantages of saving electric energy and relatively low operating cost compared to electrolytic gas float glass process, be adapted to the modern times
Industry energy conservation, environmental protection, subtract consumption, the requirement of synergy.
Aluminium polychloride：It is that traditional inorganic coagulant crystallizes for low molecule 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
Enclose width, to pipe-line equipment non-corrosiveness, purifying water effect is obvious, can effectively branch water removal in chromaticness SS, COD, BOD and arsenic, mercury etc. weight
Metal ion, the product are widely used in drinking water, industrial water and sewage treatment area.
Chlorine dioxide (disinfectant)：Chlorine dioxide because it has that sterilizing ability is strong, human body and animal are safe from harm with
And environment is not caused to enjoy the favor of people the features such as secondary pollution.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 in sterilization, food fresh keeping, deodorization etc..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., there is bleaching, sterilization, sterilization.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 with No. two medicine storing pots 47 and No. two and is connected.
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 a variety of any combination.
It is identical that above-mentioned medicament with No.1 medicine storing pot 39 and No.1 mixes medicinal cupping 40.
Described air-dissolving apparatus includes 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 connects.
The sewage purifier stable and reliable operation of the present invention, effluent quality is good, processing cost bottom, easy to operate, 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, what is discharged suddenly by being pumped into pressure air-dissolving tank under 0.5MPA pressure
In the case of, the air being dissolved in water separates out, and is formed largely to close microbubble group, adsorbs and suspend in slow uphill process
Thing, aerosol density is declined and is floated, reach the purpose for removing SS and COD, the product adaptation is in oil, chemical industry, papermaking, skin
The sewage disposals such as leather, printing and dyeing, food, starch.
Dissolved gas floatator uses 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 does not contact directly with the residence time, and only relevant with air supporting area,
If depth of water H air flotation zone is reduced to depth of water H/10, then air supporting distance and residence time will all reduce 10 times, and here it is work
" shallow pool theory " of name.The purpose that air flotation zone adds inclined tube is increase air supporting area, greatly reduces Reynolds number, keeps away air supporting
Exempt to carry 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 not easy 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.
The sewage purifier of the present invention has following technical characterstic：
The air-breathing in water suction, the interior pressurization mixing of pump, 10~30 microns of micro air bubble size.Overcome conventional apparatus operation unstable
Fixed, air pocket seethes and discharged blockage problem.Air floatation machine is easy for installation, and high treating effect, energy expenditure is low, can effectively remove
It is difficult to the frivolous flco precipitated 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 be aerated into water, to going surfactant in water removal and stink to have positive effect, simultaneously because
Aeration adds the dissolved oxygen in water, and advantage is provided for postorder processing.
Dissolved gas floatator herein is used to remove solid suspension, grease and the various glue 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 processing of industrial wastewater and municipal wastewater.
Vertical-flow dissolved gas floatator (being also circular dissolved gas floatator), managed using new molten mechanism of qi, devise novel and unique
Air dissolving system, the remarkable treatment effect of its excellent operating characteristics, found full expression in Industrial Wastewater Treatment.The production
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 mainly comprises the following steps：
1st, air floatation machine：
Circular steel design, it 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 in tank body；
Outlet pipe is distributed in tank body lower part, and is connected to tank top by a upright pipe and overflows,
Overfall is provided with water level regulation handle, is easy to adjust water level in 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 to certainly in sludge-tank.
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 it is exactly the abundant contact for realizing water and air that it, which is acted on, accelerates air
Dissolving.It is a closed pressure resistant cylinder of steel, and indoor design has baffle plate, spacer, can accelerate gas and the scattered of water body, mass transfer mistake
Journey, improve molten gas efficiency.
3rd, pharmacy jar：
Pharmacy jar steel round can, decoction being stored for dissolving, two of which is dissolving tank, with agitating device, in addition two
Individual is medicament storage tank, and volume is supporting with processing capacity of water.
Installation steps：
Dissolved gas floatator is widely used in plumbing and wastewater treatment, and it can effectively be removed is difficult to precipitate in 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 installation, 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 during equipment operation.
3rd, outlet can connect sewer discharge, need to such as enter lower road treatment process, directly can connect with lower road processing equipment.
4th, need adjustment horizontal after in place.
5th, the duct coupling between import and reaction tank, it is desirable to it is more short better, it is destroyed in the duct in order to avoid wadding doubts body.
6th, outlet can be connected to sludge sump or sludge treatment device.
7th, dissolved gas floatator need to set cleaning sewer, can dig open channel, directly can also be connected to regulating reservoir using pipeline, with
Just the water for rinsing flotation tank discharges.
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 adds once oil, half a year to change for two months
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 blocks, vacuum pumping valve can be opened, release tongue piece is opened, makes it voluntarily clear with clear water
Wash.
6th, how much flotation tank should regard sediment, periodically be cleaned.
It is each that dissolved gas floatator is widely used in water factory, sewage farm, steel, oil, chemical industry, printing and dyeing, weaving etc.
Industry, gas and recirculation water are sucked together through pump inlet, then the impeller meet through pump is 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, SS removal effect is improved
Fruit；
3rd, air floatation machine automatically controls and easy maintenance, becomes real " fool " formula processing system.
4th, it is first-class to may replace force (forcing) pump, air compressor machine, large-scale dissolving, ejector and release for dissolved gas floatator multiphase flow pump；
5th, dissolved air water dissolved efficiency 80-100%, than traditional 3 times of air-dissolving air-float efficiency high；
6th, dissolved gas floatator can be so that in water suction, air-breathing, pressurization mixing in pump, gas-liquid dissolved efficiency be high, micro air bubble≤20
μm；
7th, multilayer spoil disposal, it is ensured that outlet effect；
8th, low pressure operation, for molten gas efficiency high up to 99%, outgassing rate is up to 99%.
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 transported into provided with rubbish and transport channel 49 that garbage disposal product transports
And transport door 50.
Described transport channel 49 is the passage of slope shape, facilitates the disengaging of rubbish and Working vehicle.It is real to transport door 50
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
Revolve 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 processing 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 processing.
The Economic and Efficiency Analysis of the present invention：
After technical scheme popularization and application, the price of every suit system is about at 40-50 ten thousand yuan.By an enterprise
5000 sets of calculating of production, annual value of production, can about 300,000,000 yuan of contribution tax up to more than 2,000,000,000 yuan.
Building thermal insulation material and other products are produced into after rubbish separation, 1,500,000 tons of rubbish of year consumption, can be therefrom 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, each 50,000 yuan of 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 or even global rubbish quantum of output is increasing, it is necessary to which the space of processing is very big, and therefore, implementation is originally
The technical prospect of invention is very optimistic.
The present invention is exemplarily described above in conjunction with accompanying drawing, it is clear that present invention specific implementation is not by aforesaid way
Limitation, as long as the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is employed, or without changing
Enter and the design of the present invention and technical scheme are directly applied into other occasions, within protection scope of the present invention.
Claims (1)
1. a kind of urban household waste treatment system, provided with bag breaker (1), belt conveyor (2), four axle disintegrating machines (4), vertical
Spiral 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 crushing 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 is vertical
Spiral 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)；
It is characterized in that：
Described bag breaker (1) is provided with vibration screening device (60), the lower section of described vibration screening device (60), sets transmission
Mechanism is connected with described belt conveyor (2)；
Described vibration screening device (60) is provided with adjustable sieve separation structure (61), the sieve plate of described adjustable sieve separation structure (61)
(62) same direction is set, and its cross section forms " V " shape, turns into bakie (63)；
Described adjustable sieve separation structure (61) is provided with sieve plate and is used to adjust apart from adjustment structure apart from adjustment structure, described sieve plate
The groove width of bakie (63)；
On each described bakie (63), pusher (64) is set；Its pusher direction is consistent with the direction of bakie (63)；
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
(56) iron belt (57), reducing motor (58) and roller (59), are abandoned；
Described tramp iron separator (3) respectively sets one at the both ends of described belt conveyor (2)；And make the tramp iron separator (3) of front end
Suction is less than the suction of the tramp iron separator (3) of rear end；
Described refuse disposal system is provided with the electrical control equipment (9) of startup, stopping and the protection of control threephase asynchronous machine；
Described electrical control equipment (9) is provided with control computer or PLC control modules；
Described electrical control equipment (9) 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 (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 the both sides of two main shearing cutter shafts, two secondary shearing cutter shafts forms secondary shear blade with main shear knife respectively；
Four described axle disintegrating machines (4) are provided with crusher screen；
In described vertical helical air floatation machine (5), the rotating guide (25) of Spiral distribution is provided with along its axis；
In the lower section of described rotating guide (25), provided with filter screen (26), in the upper surface of described filter screen (26),
Provided with scraper plate (54)；
The sewage draining valve (27) of time opening is provided with the bottom of described vertical helical air floatation machine (5)；
Observation window (28) is set in described vertical helical air floatation machine (5) lower end cone；
In the upper end of described vertical helical air floatation machine (5), floating object guiding gutter is set；
Described dissolved gas floatator (6) is provided with flotation tank (19), dissolved air water pump (22), pressure air-dissolving tank (23) and air compressor machine
(24)；
Described dissolved gas floatator is provided with folded plate coagulating basin (16)；
Described dissolved gas floatator is provided with regulating reservoir (13)；
Described dissolved gas floatator is provided with administration apparatus (14)；
Scraping machine (18) is provided with described flotation tank；
Described dissolved gas floatator is provided with release (17)；
Described solid-liquid separating machine is provided with rotary drum screen cloth concentration structure (32)；
Described solid-liquid separating machine is provided with conditioning mixer (30)；
Described conditioning mixer (30) is provided with thickened sludge import (34), flocculating agent import (29)；
Described sewage purifier (8) is provided with air floatation machine (41) and air-dissolving apparatus；
Described air floatation machine (41) 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 (41) is provided with No.1 medicine storing pot (39) and No.1 mixes medicinal cupping (40)；
Described No.1 medicine storing pot (39) and No.1 mix medicament in medicinal cupping (40) for polyacrylamide, polymer alumina, salt phenol,
One kind in chlorine dioxide and sodium hypochlorite, or a variety of any combination；
Described air floatation machine (41) is connected by sewage pump (15) with sewage pipe (46)；
Described sewage pipe (46) is mixed medicinal cupping (48) with No. two medicine storing pots (47) and No. two and is connected；
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 and sodium hypochlorite, or a variety of any combination；
Described air-dissolving apparatus includes air compressor machine (35), air accumulator (36), dissolving (38)；Described dissolving (38) passes through height
Press pump (44) is connected with air floatation machine (41)；Described air compressor machine (35) is connected with air accumulator (36)；Described air accumulator (36) is logical
Gas control cabinet (37) is crossed to be connected with dissolving (38)；
The unlimited implement of described refuse disposal system is arranged in garbage disposal station (10), described Biohazard Waste Disposal
Room is closed prefabricated house structure, is transported into provided with rubbish and transport channel (49) that garbage disposal product transports and transport door
(50)；
Described garbage disposal station (10) is provided with personnel's inlet/outlet (51)；
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).
Priority Applications (1)
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|---|---|---|---|
| CN201511003366.5A CN105478231B (en) | 2015-12-25 | 2015-12-25 | Urban household waste treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511003366.5A CN105478231B (en) | 2015-12-25 | 2015-12-25 | Urban household waste treatment system |
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| CN105478231A CN105478231A (en) | 2016-04-13 |
| CN105478231B true CN105478231B (en) | 2018-04-06 |
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