CN205236090U - Municipal solid waste processing system's four -axis breaker - Google Patents
Municipal solid waste processing system's four -axis breaker Download PDFInfo
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- CN205236090U CN205236090U CN201521110625.XU CN201521110625U CN205236090U CN 205236090 U CN205236090 U CN 205236090U CN 201521110625 U CN201521110625 U CN 201521110625U CN 205236090 U CN205236090 U CN 205236090U
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Abstract
The utility model discloses a municipal solid waste processing system's four -axis breaker, including four arbors, be two owners respectively and cut arbor and two vice shearing arbors, two owners cut the adjacent setting of arbor, the owner shears the epaxial owner of sword and shears the main cutting edge of knife -edge one -tenth, two vice shearing arbor settings are in the both sides that two owners sheared the arbor, two vice epaxial pair of shearing swoves on the shearing sword respectively with mainly shear the knife -edge and become vice cutting edge, four -axis breaker (4) be equipped with the breaker screen cloth. Adopt above -mentioned technical scheme, carry out the advanced treatment to municipal solid waste, the harmful gas in the rubbish can be decomposed, the harmful substance in the rubbish also can be diluted simultaneously, which saves large amounts of human and material resources. Regard rubbish as raw materials for production, separate and the rational utilization production organic fertilizer, building block material with wherein organic matter, inorganic matter, white pollution thing producing building insulation material realizes refuse innocent treatment, resourceization.
Description
Technical field
The utility model belongs to the technical field of environmental engineering. More specifically, the utility model relates to a kind of four axle disintegrating machines of urban household waste treatment system.
Background technology
Along with the fast development of China's economy, consume a large amount of resources, producing a large amount of refuses, have a strong impact on and restrict economic development and threatening people's life life quality. Develop the economy, administer pollution, become the common recognition of modern society, the direction of environmental protection work is the national development strategy of implementing sustainable development, creating harmonious society. Environmental protection is a fundamental state policy of China. Country classifies energy-conserving and environment-protective industry as country as and accelerates one of seven strategic new industries of cultivation and development.
According to statistics, approximately 2.77 hundred million tons of China's application of city life garbage generations in 2011, account for 26% of whole world refuse production, are rubbish the first big countries in the world, and annual also with the speed increase of 5%～8% left and right.
China's urban life storage rubbish has exceeded 8,000,000,000 tons, takes up an area more than 80 ten thousand mu; Occupation of land amount is increasing with annual approximately 4.8% speed. Garbage-surrounded city, has beaten alarm bell to urban development, has more expended a large amount of human and material resources and financial resources and has processed.
At present, the trash processing way of China, mainly contains sanitary landfills, burning electricity generation, compost etc. Wherein, a large amount of land resource has been wasted in sanitary landfills, and easily underground water source etc. is polluted; Burning electricity generation can make garbage bulk dwindle 50%～95%, but investment is large, expense is high, also can discharge the harmful substance such as dioxin, mercury, and residual slag and dust are also poisonous, harmful, and have burned a large amount of callable resources; The cycle of compost is long, and organic matter and inorganic matter need packing just can reclaim.
Utility model content
The problem existing in order to solve prior art, the utility model provides a kind of four axle disintegrating machines of urban household waste treatment system, its objective is the harmless treatment and the recycling that realize townm refuse.
To achieve these goals, the technical scheme that the utility model is taked is:
Urban household waste treatment system of the present utility model 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;
Described bag breaker is sent to four axle disintegrating machines by belt conveyor by rubbish;
Between four described axle disintegrating machines and vertical helical air floatation machine, conveyer belt is set; Rubbish after four described axle crusher in crushing is delivered to described vertical helical air floatation machine by conveyer belt;
Described vertical helical air floatation machine is connected with sewage purifier by returning to pure water pipe; Described vertical helical air floatation machine is connected with solid-liquid separating machine by sewage pipe;
The outlet of sewer of described solid-liquid separating machine is connected with sewage purifier by pipeline.
Described bag breaker is provided with vibration screening device, and the below of described vibration screening device arranges transmission mechanism and is connected with described belt conveyor.
Described vibration screening device is provided with adjustable sieve separation structure, the same direction setting of sieve plate of described adjustable sieve separation structure, and its cross section forms " V " shape, becomes bakie.
Described adjustable sieve separation structure is provided with sieve plate distance adjustment structure, and described sieve plate distance adjustment structure is for regulating 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 wherein provided with framework, two field structures permanent magnetic core, abandon iron belt, reducing motor and cylinder.
Described tramp iron separator respectively arranges one at the two ends of described belt conveyor.
Described refuse disposal system is provided with controls the startup of threephase asynchronous machine, the electrical control equipment that stops and protecting.
Described electrical control equipment is provided with controls computer or PLC control module.
Described electrical control equipment is provided with overload protecting circuit, open-phase protection circuit, current foldback circuit, under-voltage protecting circuit, short-circuit protection circuit, overheating protection circuit.
Four described axle disintegrating machines comprise four cutter shafts, are respectively two main shearing cutter shafts and two secondary cutter shafts of shearing; The adjacent setting of two main shearing cutter shafts, the main shear knife on described main shearing cutter shaft forms main shear blade; Two secondary shearing cutter shafts are arranged on the both sides of two main shearing cutter shafts, and two secondary secondary shear knives of shearing on cutter shafts form secondary shear blade with main shear knife respectively.
Four described axle disintegrating machines are provided with crusher screen.
In described vertical helical air floatation machine, be provided with the rotating guide of Spiral distribution along its axis.
Below described rotating guide, be provided with filter screen, at the upper surface of described filter screen, be provided with scraper plate.
Be provided with the sewage draining valve of time opening in the bottom of described vertical helical air floatation machine.
In described vertical helical air floatation machine lower end cone, observation window is set.
In the upper end of described vertical helical air floatation machine, floating thing 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 flap coagulating basin.
Described dissolved gas floatator is provided with regulating reservoir.
Described dissolved gas floatator is provided with administration apparatus.
On described flotation tank, be provided with scraping machine.
Described dissolved gas floatator is provided with release.
Described solid-liquid separating machine is provided with the concentrated structure of rotary drum screen cloth.
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, and its inside is provided with release, uniform device, sludge sump, scraper plate and transmission system; Described air floatation machine is also provided with sludge discharging pipe and Graceful pipe.
Described air floatation machine is provided with a medicine storing pot and mixes medicinal cupping No. one.
A described medicine storing pot and the medicament of mixing for No. in medicinal cupping are the one in polyacrylamide, polymer alumina, salt phenol, chlorine dioxide, chlorine dioxide and clorox, or multiple any combination.
Described air floatation machine is connected with sewage pipe by sewage pump.
Described sewage pipe is with No. two medicine storing pots and mix medicinal cupping No. two and be connected.
No. two described medicine storing pots and the medicament of mixing for No. two in medicinal cupping are the one in polyacrylamide, polymer alumina, salt phenol, chlorine dioxide, chlorine dioxide and clorox, or multiple any combination.
Described air-dissolving apparatus comprises air compressor machine, air accumulator, dissolving; Described dissolving is connected with air floatation machine by high-pressure pump; Described air compressor machine is connected with air accumulator; Described air accumulator is connected with dissolving by gas control cabinet.
The unlimited implement of described refuse disposal system is arranged in garbage disposal station, and described garbage disposal station is airtight prefabricated house structure, is provided with rubbish is transported into and garbage disposal product transports transport channel and transport door.
Described garbage disposal station is provided with personnel's inlet/outlet.
The wall of described garbage disposal station or door are provided with system operation observation window.
Described garbage disposal station is provided with ventilation equipment.
The utility model adopts technique scheme, rubbish is used as to useful resource and treats, by civil engineering, plant equipment, use the techniques such as centrifugation, magnetic, floating, filtration, pioneering taking water as medium at home and abroad, use physics, chemical method to carry out advanced treating to application of city life garbage; Can decompose the pernicious gas in rubbish, also can dilute the harmful substance in rubbish simultaneously; By centrifuging process, make part material floats, circulation, greatly reduce the labour intensity in processing procedure, save a large amount of man power and materials; Using rubbish as raw materials for production, organic matter wherein, inorganic matter are separated and rationally utilized, produce organic fertilizer, building block material; White pollution thing is produced building thermal insulation material, realizes garbage harmless, resource; Its feature having is:
1, rubbish, without packing, does not need that rubbish is carried out to early stage and processes, and reduces processing links;
2, device miniaturization, realizes the processing on the spot of rubbish, has solved the difficult problems such as the decrement transport of rubbish;
3, the garbage treatment quantity of whole production process is large, floor space is little, and each Biohazard Waste Disposal only needs the about 600m in soil2; Cost is low, less energy consumption; Small investment, it is applied and is not subject to region and environmental limit, is easy to popularize;
4, the water in processing procedure can reuse, and has realized zero-emission, zero pollution of garbage disposal completely; Take into full account the various compositions that rubbish is contained, can obtain maximized secondary utilization, can not cause secondary pollution simultaneously;
5, technique scheme can be created huge economic benefit, is particularly suitable for national conditions and the garbage property of China.
Brief description of the drawings
Mark brief description in content shown in accompanying drawing and figure is 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.
In figure, be labeled as:
1, bag breaker, 2, belt conveyor, 3, tramp iron separator, 4, four axle disintegrating machines, 5, vertical helical air floatation machine, 6, dissolved gas floatator, 7, solid-liquid separating machine, 8, sewage purifier, 9, electrical control equipment, 10, garbage disposal station, 11, return to pure water pipe, 12, sewage pipe.
13, regulating reservoir, 14, administration apparatus, 15, sewage pump, 16, flap coagulating basin, 17, release, 18, scraping machine, 19, flotation tank, 20, dissolved air water deposits pond, 21, sludge-tank, 22, dissolved air water pump, 23, pressure air-dissolving tank, 24, air compressor machine.
25, rotating guide, 26, screen net, 27, sewage draining valve, 28, observation window.
29, flocculating agent import, 30, conditioning mixer, 31, screen cloth thickened sludge, 32, the concentrated structure of rotary drum screen cloth, 33, sludge cake, 34, thickened sludge import.
35, air compressor machine, 36, air accumulator, 37, gas control cabinet, 38, dissolving, 39, a medicine storing pot, 40, mix medicinal cupping No. one, 41, air floatation machine, 42, sludge discharging pipe, 43, Graceful pipe, 44, high-pressure pump, 45, sewage pump, 46, sewage pipe, 47, No. two medicine storing pots, 48, mix medicinal cupping No. two.
49, transport channel, 50, transport door, 51, personnel's inlet/outlet, 52, system operation observation window, 53, ventilation equipment.
54, scraper plate, 55, framework, 56, the permanent magnetic core of two field structures, 57, abandon iron belt, 58, reducing motor, 59, cylinder.
60, vibration screening device, 61, adjustable sieve separation structure, 62, sieve plate, 63, bakie, 64, pusher.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, detailed description of the invention of the present utility model is described in further detail, to help those skilled in the art to have more complete, accurate and deep understanding to inventive concept of the present utility model, technical scheme.
Structure of the present utility model is as shown in Figure 1 urban household waste treatment system.
The theory that the utility model drives based on energy-conserving and environment-protective, innovation, provides application of city life garbage secondary utilization system treatment process, equipment technology, meets country about energy-conserving and environment-protective industrial policy and developing direction, has the feature of strategic new industry. The utility model is pioneering taking water as medium at home and abroad, uses physics, chemical method, and application of city life garbage is carried out the degree of depth and thoroughly processed, and realizes garbage harmless, resource, has proposed new thinking and new method.
The technology of garbage disposal that the utility model provides, is used as rubbish as useful resource and treats, and has realized the secondary utilization of rubbish. Its advantage is:
1, rubbish, without packing, is applicable to China's actual conditions, all kinds of rubbish is carried out to integrated treatment;
2, device miniaturization, realizes the processing on the spot of rubbish, has solved the difficult problems such as the decrement transport of rubbish;
3, take up an area less, each Biohazard Waste Disposal only needs the about 600m in soil2, cost is little, energy consumption is low;
4, realize zero-emission, zero pollution of garbage disposal completely, stopped secondary pollution.
The utility model reduces the high efficiency of carbon emission, belongs to the gold medal project under the United Nations's Clean Development Mechanism (UNCDM) item. Taking a medium-sized city as example, produce at present approximately 4000 tons of house refuses daily, implement, after the utility model, can reduce every year CO2 emissions (CER) more than 840,000 tons. This will make huge contribution for completing energy-saving and emission-reduction index; Meanwhile, the product of the material secondary utilization after refuse classification can be created 2.16 hundred million yuans of annual profits tax.
In order to solve the problem of prior art existence and to overcome its defect, realize the goal of the invention of harmless treatment and the recycling of townm refuse, the technical scheme that the utility model is taked 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 machines 4, vertical helical air floatation machine 5, dissolved gas floatator 6, solid-liquid separating machine 7, sewage purifier 8, garbage disposal station 10;
Described bag breaker 1 is sent to four axle disintegrating machines 4 by belt conveyor 2 by rubbish;
Between four described axle disintegrating machines 4 and vertical helical air floatation machine 5, conveyer belt is set; Rubbish after four described axle disintegrating machine 4 fragmentations is delivered to described vertical helical air floatation machine 5 by conveyer belt;
Described vertical helical air floatation machine 5 is connected with sewage purifier 8 by returning to pure water pipe 11; Described vertical helical air floatation machine 5 is connected with solid-liquid separating machine 7 by sewage pipe 12;
The outlet of sewer of described solid-liquid separating machine 7 is connected with sewage purifier 8 by pipeline.
Technique scheme of the present utility model, relates to civil engineering, plant equipment, uses the techniques such as centrifugation, magnetic, floating, filtration, and the organic matter in rubbish, inorganic matter are separated and rationally utilized, and produces organic fertilizer, building block material; White pollution thing is produced building thermal insulation material. Using rubbish as raw materials for production, its product can be created huge economic benefit, meets national conditions and the garbage property of China, suits measures to local conditions, and small investment, is easy to popularize.
Consider the various compositions that rubbish is contained, can obtain maximized secondary utilization, can not cause secondary pollution simultaneously; Taking water as medium, can decompose the pernicious gas in rubbish, also can dilute the harmful substance in rubbish simultaneously, by centrifuging process, make part material floats, circulation, greatly reduce the labour intensity in processing procedure, save a large amount of man power and materials; Water in processing procedure can reuse, and accomplishes zero-emission. The garbage treatment quantity of whole production process is large, power consumption is few, and it is applied and is not subject to region and environmental limit.
Townm refuse adopts after technical finesse of the present utility model, can produce following product:
1, plastics, comprise plastic film, packaging bag, plastic bottle etc., account for 10%-15% of rubbish total amount, enter recycling economy;
2, sandstone, cullet, livestock and poultry bone, xylocarp shell etc., account for 5% of rubbish total amount, is processed into after crushed construction material;
3, metal, accounts for 2%-3% of rubbish total amount, enters recycling economy;
4, moisture, accounts for 20%-30% of rubbish total amount, enters after treatment treatment system of the present utility model and recycles;
5, the organic substance that garbage disposal forms, accounts for 10%-15% of rubbish total amount, by the residuals after anaerobic digestion, then after sterilization and dry processing, is that the soil of high-quality supplements fertilizer.
As shown in Figure 1, bag breaker 1 is provided with multiple bale broken hooks, and motion under motor drives is broken by the various packaging bag hooks of load garbage, 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, the below of described vibration screening device 60, arranges transmission mechanism and is connected with described belt conveyor 2. Carrying out preliminary sorting by vibration screening device 60, mainly all kinds of batteries are sifted out, is mainly wherein No. 2 batteries.
Be sent to belt conveyor 2 at 1 point of rubbish sifting out of bag breaker by this transmission mechanism, then be sent to four axle disintegrating machines 4 and carry out fragmentation.
Described vibration screening device 60 is provided with adjustable sieve separation structure 61, the same direction setting of sieve plate 62 of described adjustable sieve separation structure 61, and its cross section forms " V " shape, becomes bakie 63. All kinds of columniform batteries leak down by bakie 63, then collect by container.
Owing to being arranged to " V " shape structure, the rubbish such as columned battery will be stuck in groove, wait for that pusher 64 timings are released, and realize the separation of battery.
Described adjustable sieve separation structure 61 is provided with sieve plate distance adjustment structure, and described sieve plate distance adjustment structure is for regulating the groove width of bakie 63. To adapt to the sub-sieve of different big or small batteries. This mainly selects and regulates according to the rubbish situation of different regions.
On each described bakie 63, pusher 64 is set; Its pusher direction is consistent with the direction of bakie. Pusher 64 is realized the motion of timing pusher; Or the signal obtaining according to induction installation carries out pusher motion, and first battery is separated from rubbish.
By technique scheme, first the harmful substances such as battery are separated from rubbish, get ready for next step advanced treating, lay the foundation.
Belt conveyor 2 carries out deironing operation, then the rubbish of having removed impurity iron is dropped into four axle disintegrating machines 4, then the rubbish after fragmentation is delivered to vertical helical air floatation machine 5.
As shown in Figure 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, be wherein provided with framework 55, two field structures permanent magnetic core 56, abandon iron belt 57, reducing motor 58 and cylinder 59.
The tramp iron separator 3 of said structure is applicable to from non-magnetic material automatically to remove ferromagnetic material, has perfect two field structures, to ensure that complete machine fault-free in adverse circumstances moves for a long time.
Owing to abandoning the continuous motion of iron belt 57, from magnetic position, scrap iron is adsorbed, forward non-magnetic position to, scrap iron falls automatically, carries out collection, the recycling of scrap iron.
Described tramp iron separator 3 respectively arranges one at the two ends of described belt conveyor 2.
At the two ends of described belt conveyor 2, a tramp iron separator 3 is respectively set, its effect is: guarantee that all magnetisable materials all can be eliminated.
In the time arranging, can make tramp iron separator 3 suction of front end be less than the suction of the tramp iron separator 3 of rear end, Each performs its own functions to make two tramp iron separators 3, fully removes magnetisable material; And the tramp iron separator 3 of rear end abandon the tramp iron separator 3 that iron belt 57 movement velocitys are less than front end, ensure scrap iron difficult drop-off.
As shown in Figure 1, described refuse disposal system is provided with and controls the startup of threephase asynchronous machine, the electrical control equipment 9 that stops and protecting.
The motor controlling cabinet of refuse disposal system of the present utility model is the startup for controlling threephase asynchronous, the control appliance that stops, moving, protect. Can be divided into the startup of star-triangle conversion decompression, soft start, three kinds of Starting mode of self-coupling voltage reducing, dash current while reducing to start, start and stop motor more continually, and make motor be unlikely to overheated, and can regulate easily the starting characteristic of motor, thereby extend the life-span of motor.
Described electrical control equipment 9 is provided with controls computer or PLC control module. Electrical control equipment 9 adopts computer programming operation, realizes the omnidistance automation of controlling. The speed of service of computer or PLC control module program setting all devices, makes it mutual coordination.
Described electrical control equipment 9 is provided with overload protecting circuit, open-phase protection circuit, current foldback circuit, under-voltage protecting circuit, short-circuit protection circuit, overheating protection circuit.
Above-mentioned setting, makes motor have the defencive function of the faults such as overload, disconnected phase, overcurrent, under-voltage, overheated, short circuit, realizes normal work and the safety in production of system, and guarantees that equipment there will not be catastrophe failure, extends its service life.
As shown in Figure 1, four described axle disintegrating machines 4 comprise four cutter shafts, are respectively two main shearing cutter shafts and two secondary cutter shafts of shearing; The adjacent setting of two main shearing cutter shafts, the main shear knife on described main shearing cutter shaft forms main shear blade; Two secondary shearing cutter shafts are arranged on the both sides of two main shearing cutter shafts, and two secondary secondary shear knives of shearing on cutter shafts form secondary shear blade with main shear knife respectively.
Each main shearing cutter shaft and secondary shearing on cutter shaft all arrange one group of cutter.
The shearing mechanism of said structure is:
Main cut mode: form cutting relatively between adjacent main shear knife group cutting edge;
Secondary cut mode: form relative cutting 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, material by cutting at one time after, particle size will discharging from mesh than the little material of screen cloth mesh; The material that size is larger than mesh, by the guide effect of main shear knife and secondary shear knife, turns back to broken case along screen cloth inner surface and carries out secondary cutting; So circulation, until material can all dischargings from mesh.
As shown in Figure 4, in described vertical helical air floatation machine 5, be provided with the rotating guide 25 of Spiral distribution along its axis.
Rubbish after fragmentation, carries out preliminary sorting at vertical helical air floatation machine 5, and floating thing is separated.
Below described rotating guide, be provided with filter screen 26, at the upper surface of described filter screen 26, be provided with scraper plate 54. The effect of scraper plate 54 is to prevent that rubbish from stopping up screen cloth mesh, improves overanxious ability and effect.
Be provided with the sewage draining valve 27 of time opening in the bottom of described vertical helical air floatation machine 5. The dirt that some proportions are larger, forms precipitation in the bottom of vertical helical air floatation machine 5, can it regularly be discharged by sewage draining valve 27.
In described vertical helical air floatation machine 5 lower end cones, observation window 28 is set. Observation window is used for the situation of accumulating of the heavier dirt of observing vertical helical air floatation machine 5 lower end cones, processes to open in time sewage draining valve 27.
In the upper end of described vertical helical air floatation machine 5, floating thing guiding gutter is set. Floating thing is discharged vertical helical air floatation machine 5 by guiding gutter and is reclaimed.
Rotating guide 25 High Rotation Speeds of Spiral distribution, more convenient and thorough report is realized separating of floating thing and other rubbish. At this moment described floating thing is mainly plastics and greasy dirt, will after plastics recovery, can produce regenerated plastics, after greasy dirt reclaims, carries out harmless treatment 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 air compressor machine 24.
Dissolved gas floatator 6 is steel design, and its operation principle is:
Air is by being pumped into pressure air-dissolving tank 23, under 0.5Mpa pressure, forced to be dissolved in water, the in the situation that of sudden outburst, the air being dissolved in water is separated out, form a large amount of fine and close microbubble groups, in rising process, adsorb suspension, aerosol density is declined and float, reach the object of removing SS and CODcr. Can be applied to industry in cities and towns, residence district, food, medical treatment, butcher, rubbish, waste water control easily qualified discharge or the reuse of the every profession and trade such as gelatine, gelatin, chemical industry, leather, weaving, hotel, printing and dyeing, papermaking.
Described dissolved gas floatator 6 is provided with flap coagulating basin 16. Flap coagulating basin 16 is to extend cohesion route, improves flocculating result.
Described dissolved gas floatator 6 is provided with regulating reservoir 13. Regulating reservoir 13 takes appropriate measures according to the chemical property of sewage and mud.
Described dissolved gas floatator 6 is provided with administration apparatus 14. Be mainly used in throwing in the medicine of cohesion.
On described flotation tank 19, be provided with scraping machine 18. After air supporting, can generate a large amount of foams at liquid surface, need to adopt scraping machine 18 by its removing.
Described dissolved gas floatator 6 is provided with release 17. Release is the critical component that produces microbubble, the dissolved air water that dissolving comes here fully mixes with waste water, sudden outburst, produce vigorous agitation and eddy current, form the microbubble that diameter is about 20-80um, thereby invest on the floccule body in waste water, thus the rising proportion of reduction floccule body, and clear water is thoroughly separated;
Micro-flotation air floatation machine, by brand-new rectification measure, has improved the effect of sewage disposal greatly. Its general principle is:
Micro-flotation technology is in the time separating removal suspension solid content and colloidal attitude material, that the microbubble that physical method is produced adheres to each other with the fine flotation material in water of processing, fine wadding polymers, form " copolymerization adhesion " that intergranular capsule folder and the adhesion of middle bubble bridge formation have both at the same time, in addition chemical flocculation effect, completes micro-flotation. Realize Separation of Solid and Liquid, sewage is purified.
The feature of dissolved gas floatator 6:
1, micro-flotation air floatation machine is furnished with high-efficiency dissolued-air system, and microbubble average diameter, below 1um, with the level comparison of domestic and international 20-50um at present, has at least reduced 20 times, and, in the time that molten tolerance equates, microbubble total surface area has at least increased more than 400 doubly. In fact,, because dissolved-air rate significantly improves, microbubble total surface area or bubble density have increased thousands of times. Scientific research shows: when microbubble diameter is less than after certain value, according to statistical mechanics, the impact of its periphery hydrone warm-up movement is by disequilibrium, and bubble will participate in part Brownian movement, very be conducive in bubble oxygen molecule micro-to expanding in sewage, thereby aeration effect will exceed and be far above thousands of times;
2, in micro-flotation air floatation machine, adopt special stainless steel mechanism, play unprecedented rectification, steady flow result, and special efficient delivery system, eliminate to greatest extent the energy of dissolved air water, that is to say, make the high energy value of molten gas from depth balance, drop to the low energy value that almost approaches normal pressure;
3, micro-flotation air floatation machine compact conformation, miniaturization, floor space are little; As day is processed 1000-4000m3The water yield, device height is 5.5m only, takes up an area 10m2, can be arranged on inside, workshop completely;
4, this mechanomotive force consumption is few, can reduce more than 50% than common air supporting;
5, chemical consumption is low, can reduce more than 50% than common By Bubble-floating Method;
6, discharge concentration is high. Can reach more than 4%, water outlet is as clear as crystal, and SS clearance reaches more than 96%, and non-dissolubility COD can all remove.
As shown in Figure 5, described solid-liquid separating machine 7 is provided with the concentrated structure 32 of rotary drum screen cloth.
By the concentrated structure 32 of rotary drum screen cloth, the moisture in mud is extruded, sludge volume is dwindled greatly, form screen cloth thickened sludge 31.
Described solid-liquid separating machine 7 is provided with conditioning mixer 30. Inconsistent concentration mud is mixed.
Described conditioning mixer 30 is provided with thickened sludge import 34, flocculating agent import 29.
Screen cloth thickened sludge 31, after pressure processing, forms sludge cake 33, and discharges outside solid-liquid separating machine 7, is transported by Transport Machinery, further processes. Because the main component of sludge cake 33 has at this moment been inorganic matter, so the utility model also arranges building block production equipment at this, the sludge cake producing in garbage processing procedure 33 is carried out to deep processing, produce construction material, increase economic efficiency.
Concentrated is a kind of important method that reduces sludge volume. In sludge handling process, generally all adopt the method for gravity concentration as the pretreatment form of sludge dewatering operation. But solid-liquid separating machine 7 of the present utility model adopts two section type drum concentration mud, on the basis of former belt filter press and Barrate type grilling machine, the novel sludge concentration device forming through optimum organization, can be applied to various industrial sludge processed, butchers, solid-liquid separation dehydration processing in animal husbandry sludge dewatering treatment, sludge from wastewater treatment plant processed, the condensing processing of water treatment plant's mud, the various flow processs of food chemistry mining industry.
The light-duty central transmission concentrator of NC type is applicable to the concentrated of activated sludge in the industry such as municipal administration, light industry, and NC type heavy type is applicable in the industry sewage disposals such as mine, smelting, iron and steel than great, and the fast mud of subsidence velocity is concentrated.
The technology features of two section type drum concentration mud:
1, overall investment economizes, and comprises plant equipment, automatic control electrical system, civil engineering and fees paid for taking rural land;
2, floor space is little, is generally 1/5th to 1/10th of conventional treatment process floor space, and plant area's characteristics of compact layout is attractive in appearance;
3, water quality after treatment is good, can be better than one-level A discharge standard or miscellaneous domestic water quality standard;
4, technological process is short, and the efficiency of transmission of oxygen is high, and system oxygen-transfer efficiency can reach 30%-35%, and oxygen supply power consumption is low;
5, the rate of filtration is fast, processes load and is much higher than conventional treatment process;
6, strong shock resistance, climate, the water yield and change of water quality impact are little, are particularly suitable for cold weather area, and can intermittent duty;
7, can build up closed factory building, reduce foul smell, the impact of noise on surrounding environment, visual perception is effective;
8, all adopt PLC Based Intelligent Control, operating personnel are few, and operational management is convenient, are convenient to safeguard;
9, whole modular constructions, are convenient to carry out the reorganization and expansion in later stage.
As shown in Figure 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, and its inside is provided with release, uniform device, sludge sump, scraper plate and transmission system; Described air floatation machine 44 is also provided with sludge discharging pipe 42 and Graceful pipe 43.
Described air floatation machine 44 is provided with a medicine storing pot 39 and mixes medicinal cupping 40 No. one.
A described medicine storing pot 39 and the medicament of mixing for No. in medicinal cupping 40 are the one in polyacrylamide, polymer alumina, salt phenol, chlorine dioxide, chlorine dioxide and clorox, or multiple any combination.
Wherein:
Polyacrylamide (PAM): be high molecular weight water soluble polymer, be insoluble to most of organic solvents, there is good flocculability, can reduce the frictional resistance between liquid.
The effect of polyacrylamide is selected in air supporting:
By Bubble-floating Method is mainly to utilize gas that sewage is oxidized, and air supporting great majority are the advanced treating for two stage biological processing, and current modal industry is for the supplementary processing after oil-polluted water oil removal. By Bubble-floating Method concentrating for activated sludge effectively; The removal of suspended impurity in sewage. Air supporting selects the polyacrylamide effect of anion relatively good, and particularly partial reflux dissolved air flotation has both the technological advantage of infinite reflux, full air-dissolving air-float, and compare gas distribution By Bubble-floating Method, to have the amount of disposing of sewage large, the feature that treatment effect is high; Compare electrolytic gas float glass process have advantages of the electric energy of saving and operating cost lower, be applicable to modern enterprise energy-saving and environmental protection, subtract the requirement of consumption, synergy.
Aluminium polychloride: be that with the fundamental difference of traditional inorganic coagulant traditional inorganic coagulant is low molecular crystalline salt, and the structure of aluminium polychloride is made up of the changeable polynary carboxyl complex compound of form, flocculation sediment speed is fast, applicable pH value wide ranges, to pipe-line equipment non-corrosiveness, purifying water effect is obvious, can effectively prop up the heavy metal ion such as middle chromaticness SS, COD, BOD and arsenic, mercury that dewater, and this product is widely used in drinking water, water for industrial use and sewage treatment area.
Chlorine dioxide (disinfectant): chlorine dioxide because its to have sterilizing ability strong, to human body and animal is safe from harm and environment is not caused to the features such as secondary pollution and enjoy people's favor. Chlorine dioxide is not only one and is not produced carcinogenic Broadspectrum environment-protective type disinfection sanitizer, but also shows significant effect at aspects such as sterilization, food fresh keeping, deodorizing. As oxidant, deodorant, biocide, antistaling agent, bleaching agent etc.
Inferior sodium chloride (also making clorox): strong oxidizer, for papermaking, weaving, light industry etc., has the effect of bleaching, sterilization, sterilization as bleaching agent, oxidant and water scavengine agent. For water purification, and make disinfectant, association with pulp bleaching etc., in medical industry, use chloramines processed etc.
Described air floatation machine 44 is connected with sewage pipe 46 by sewage pump 45.
Described sewage pipe 46 is with No. two medicine storing pots 47 and mix medicinal cupping 48 for No. two and be connected.
No. two described medicine storing pots 47 and the medicament of mixing for No. two in medicinal cupping 48 are the one in polyacrylamide, polymer alumina, salt phenol, chlorine dioxide, chlorine dioxide and clorox, or multiple any combination.
Above-mentioned medicament and a medicine storing pot 39 and to mix medicinal cupping 40 No. one identical.
Described air-dissolving apparatus comprises air compressor machine 35, air accumulator 36, dissolving 38; Described dissolving 38 is connected with air floatation machine 44 by high-pressure pump 44; Described air compressor machine 35 is connected with air accumulator 36; Described air accumulator 36 is connected with dissolving 38 by gas control cabinet 37.
Sewage purifier stable and reliable operation of the present utility model, effluent quality is good, at the bottom of processing cost, easy to operate, is easy to grasp.
Dissolved air flotation sewage treatment machine is steel design, and its operation principle is:
Air is by being pumped into pressure air-dissolving tank, under 0.5MPA pressure, forced to be dissolved in water, the in the situation that of sudden outburst, the air being dissolved in water is separated out, form a large amount of extremely close microbubble groups, in rising process, adsorb suspension, make aerosol density decline and float, reach the object of removing SS and COD, this product adaptation is in sewage disposals such as oil, chemical industry, papermaking, leather, printing and dyeing, food, starch.
Dissolved gas floatator adopts new and effective molten gas equipment---microbubble generator, replace traditional bleed equipment to molten gas in water, and some inclined tube groups are installed in air supporting region, comprise that casing, Slag Scraping Device, spiral discharging machine form a complete air-float purifier jointly.
Theoretically, pneumatically supported treatment effect and the time of staying are not contacted directly, and only relevant with air supporting area, if the air flotation zone of depth of water H is reduced to depth of water H/10, air supporting distance so and the time of staying all will be dwindled 10 times, Here it is famous " shallow pool theory ". It is to increase air supporting area that air flotation zone adds the object of inclined tube, greatly reduces Reynolds number, makes air supporting avoid carrying out under turbulent condition, manufactures good laminar condition, reaches the effect of shallow air-floatation. In like manner, in the time that the density of suspension is greater than 1, due to inclined tube group being installed, will produce the effect of shallow pond precipitation, carry out thereby make to be deposited under turbulent-flow conditions. Particle diameter religion is large, proportion teaches the polluter of large difficult floating will focus in mud collection area, reaches the object of water purification. Can be divided into by water flow mode: 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:
Water suction limit, limit is air-breathing, and in pump, pressurization mixes, 10～30 microns of micro air bubble sizes. Overcome prior device fluctuation of service, air pocket seethes and discharges blockage problem. Air floatation machine is easy for installation, and treatment effect is good, and energy consumes low, can effectively remove the frivolous flco that is difficult to precipitation in waste water.
1, air supporting function is eliminated sludge bulking;
2, disposal ability is large, efficiency is high, occupation of land is few;
3, skill process and device structure are simple, easy to use, maintenance;
4, floating machine time to aeration in water, surfactant and the stink removed in water are had to positive effect, simultaneously because aeration has increased the dissolved oxygen in water, for postorder processing provides advantage.
Dissolved gas floatator is herein used for the equipment of solid suspension, grease and the various jellies of removing various industry and municipal wastewater. Dissolved gas floatator is widely used in oil refining, chemical industry, brewages, vegetable oil production and refining, butcher, electroplate, the processing of the industrial wastewater such as printing and dyeing and municipal wastewater.
Vertical-flow dissolved gas floatator (being also circular dissolved gas floatator), applies new molten mechanism of qi reason, has designed the air dissolving system of novel uniqueness, and the treatment effect of its good operating characteristics brilliance finds full expression in Industrial Wastewater Treatment. This product is mainly adapted to the sewage disposals such as oil, chemical industry, papermaking, leather, printing and dyeing, food, starch.
This dissolved air flotation sewage treatment machine structure mainly consists of the following components:
1, air floatation machine:
Circular steel design is main body and the core of water treatment machine. There are release, uniform device, sludge pipe, outlet pipe, sludge sump, scraper plate and transmission system etc. in inside.
Release is placed in the middle position of air floatation machine, it is the critical component that produces microbubble, the dissolved air water that dissolving comes here fully mixes with waste water, sudden outburst, produce vigorous agitation and eddy current, form diameter and be about the microbubble of 20-80um, thereby invest on the floccule body in waste water, thereby the rising proportion that reduces floccule body, clear water is thoroughly separated;
The structure of uniform device journey taper, is connected on release, and Main Function is that the clear water of separating and mud are dispersed evenly in tank body;
Outlet pipe is distributed in tank body lower part, and is connected to tank top by a uprise and overflows,
Overfall is provided with water level regulating handle, is convenient to water level in regulating tank;
Sludge pipe is installed on tank base, for discharging sediment;
Tank body top does not have sludge sump, has scraper plate on groove, and not stall of scraper plate is moving, constantly the mud of floating is scraped in sludge sump, certainly flow in sludge-tank.
2, 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 the abundant contact that realizes water and air, accelerates air dissolves. It is an airtight withstand voltage cylinder of steel, and indoor design has baffle plate, spacer, the dispersion that can accelerate gas and water body, mass transport process, improves molten gas efficiency.
3, pharmacy jar:
Pharmacy jar steel round can, for dissolving storage liquid, wherein two is dissolving tank, and with agitating device, two other 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 remove the frivolous flco that is difficult to precipitation in waste water effectively. Its installation steps should be as follows:
1, the electric appliance box of air floatation machine generally should be placed on staircase side, and environment should be totally, clean.
2, before air floatation machine is installed, must compacting foundation. And with the padded 100-150mm of concrete mortar. Also can make somebody a mere figurehead installation, but basic necessity can be born the equipment weight in when operation.
3, outlet can be connected sewer discharge, and as need enter lower road treatment process, directly Yu Xia road treatment facility joins.
4, after in place, need adjustment level.
5, the duct coupling between import and reaction tank, it is more short better to require, in order to avoid the doubtful body of wadding is destroyed in pipeline.
6, outlet can be connected to sludge sump or sludge treatment device.
7, gas air floatation machine need be established cleaning sewer, can dig open channel, also can directly adopt pipeline to be connected to regulating reservoir, discharges to rinse the water of flotation tank.
Dissolved gas floatator is a kind of Separation of Solid and Liquid airfloat equipment using in sewage, mainly in water purification, sanitary sewage, Industrial Wastewater Treatment, can effectively remove the impurity such as SS, CODcr in sewage. The points for attention of dissolved gas floatator and daily maintenance method are as follows:
1, clarified water pump, air compressor machine, scraping machine want intermittent oiling lubricated, and general air compressor machine adds once oil for two months, change once oil half a year.
2, enter the necessary dosing of sewage of dissolved gas floatator, otherwise effect is undesirable.
3, dissolving pressure gauge reading must not exceed 0.6MPa.
4, make regular check on the dissolving of dissolved gas floatator whether reliable operation of safety valve.
5, when release occurs to stop up, can open vacuum pumping valve, release tongue piece is opened, make its self-cleaning with clear water.
6, should to look sediment how many for flotation tank, regularly clean.
Dissolved gas floatator is used in the industry-by-industries such as water factory, sewage farm, iron and steel, oil, chemical industry, printing and dyeing, weaving widely, gas is sucked together with pump inlet with recirculation water, become tiny dissolved air water through the impeller meet of pump again, be released into milky dissolved air water through pressure-reducing valve again, make a flocculation floating, thereby reach purification object. Several advantages of dissolved gas floatator are:
1, dissolved gas floatator performance steady in a long-term, easy to operate, easy care, low noise;
2, the efficient adsorption of dissolved gas floatator (air-dissolving air-float equipment) microbubble and suspended particulate, has improved the removal effect of SS;
3, air floatation machine is controlled and easy maintenance automatically, becomes real " fool " formula treatment system.
4, dissolved gas floatator multiphase flow pump can replace force (forcing) pump, air compressor machine, large-scale dissolving, ejector and discharge first-class;
5, dissolved air water dissolved efficiency 80-100%, higher 3 times than traditional air-dissolving air-float efficiency;
6, in can water suction limit, limit air-breathing, the pump of dissolved gas floatator, pressurization mixes, gas-liquid dissolved efficiency is high, micro air bubble≤20 μ m;
7, multilayer spoil disposal, guarantees outlet effect;
8, low pressure operation, molten gas efficiency is up to 99%, and outgassing rate is up to 99%.
As shown in Figure 7, the unlimited implement of described refuse disposal system is arranged in garbage disposal station 10, described garbage disposal station 10 is airtight prefabricated house structure, is provided with rubbish is transported into and garbage disposal product transports transport channel 49 and transport door 50.
The passage that described transport channel 49 is slope shape, facilitates the turnover of rubbish and Working vehicle. Transport door 50 is realized automatically, or electric opening, makes more convenient operation, quick.
Described unlimited implement comprises bag breaker 1, belt conveyor 2, tramp iron separator 3, four axle disintegrating machines 4 and vertical helical air floatation machine.
Described garbage disposal station 10 is provided with personnel's inlet/outlet 51. Described electrical control equipment 9 also can be arranged in garbage disposal station 10.
The wall of described garbage disposal station 10 or door 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 property, therefore, by ventilation equipment 53, the dirty gas in garbage disposal station 10 is discharged to the line space of going forward side by side gas purified treatment.
Economic and Efficiency Analysis of the present utility model:
After the technical solution of the utility model is applied, the price of every suit system is about 40-50 ten thousand yuan. Produce 5000 covers by enterprise and calculate, annual value of production can reach more than 2,000,000,000 yuan, can contribution tax approximately 300,000,000 yuan.
Rubbish is produced into building thermal insulation material and other products after separating, and 1,500,000 tons, year consumption rubbish, therefrom can change resource into, and value per ton, with 1000 yuan of calculating, can produce and be worth 7.5 hundred million yuan, 300,000,000 yuan of year contribution taxes.
If take technology transfer mode, annual by transferring the possession of 1000 enterprise calculation, 50,000 yuan of each enterprise transfer fees, can obtain 5,000 ten thousand yuan of technology transfer fees.
After project is gone into operation, indices average annual growth 10%.
Due to China so that global rubbish quantum of output increasing, need space to be processed very large, therefore, implement technical prospect of the present utility model very optimistic.
By reference to the accompanying drawings the utility model is exemplarily described above; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (1)
1. four axle disintegrating machines of urban household waste treatment system, is characterized in that: described urban household waste treatment system alsoBe provided with bag breaker (1), belt conveyor (2), vertical helical air floatation machine (5), dissolved gas floatator (6), solid-liquid separating machine (7),Sewage purifier (8), garbage disposal station (10);
Described bag breaker (1) is sent to four axle disintegrating machines (4) by belt conveyor (2) by rubbish;
Between four described axle disintegrating machines (4) and vertical helical air floatation machine (5), conveyer belt is set; Through four described axle disintegrating machines(4) rubbish after fragmentation is delivered to described vertical helical air floatation machine (5) by conveyer belt;
Described vertical helical air floatation machine (5) is connected with sewage purifier (8) by returning to pure water pipe (11); DescribedVertical helical air floatation machine (5) is connected with solid-liquid separating machine (7) by sewage pipe (12);
The outlet of sewer of described solid-liquid separating machine (7) is connected with sewage purifier (8) by pipeline;
It is characterized in that:
Four described axle disintegrating machines (4) comprise four cutter shafts, are respectively two main shearing cutter shafts and two secondary cutter shafts of shearing; TwoThe adjacent setting of main shearing cutter shaft, the main shear knife on described main shearing cutter shaft forms main shear blade; Two secondary cutter shafts of shearing are arranged onThe both sides of two main shearing cutter shafts, two secondary secondary shear knives of shearing on cutter shaft form secondary shear blade with main shear knife respectively;
Four described axle disintegrating machines (4) are provided with crusher screen.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457723A (en) * | 2015-12-25 | 2016-04-06 | 安徽继宏环保科技有限公司 | Four-shaft crusher of urban household garbage disposal system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457723A (en) * | 2015-12-25 | 2016-04-06 | 安徽继宏环保科技有限公司 | Four-shaft crusher of urban household garbage disposal system |
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