CN105618458A - Vibration screening device of urban living garbage treatment system - Google Patents
Vibration screening device of urban living garbage treatment system Download PDFInfo
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- CN105618458A CN105618458A CN201511003436.7A CN201511003436A CN105618458A CN 105618458 A CN105618458 A CN 105618458A CN 201511003436 A CN201511003436 A CN 201511003436A CN 105618458 A CN105618458 A CN 105618458A
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- air
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- screening device
- garbage
- vibration screening
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- 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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
Abstract
The invention discloses a vibration screening device of a urban living garbage treatment system. The vibration screening device is provided; a transmission mechanism is arranged below the vibration screening device, and is connected with a belt conveyor; the vibration screening device is provided with an adjustable screening structure; screening plates of the adjustable screening structure are arranged in the same direction, and cross sections thereof are V-shaped to form funnels; and material pushing mechanisms are arranged on all of the funnels, and the material pushing directions thereof are consistent with the directions of the funnels. The vibration screening device deeply treats urban living garbage, can decompose harmful gas in the garbage, can dilute harmful substances in the garbage, enables one part of substances to float and circulate so as to largely reduce the labor intensity in the treatment process and to save a lot of manpower and material resources, uses the garbage as production raw materials, separates and reasonably uses organic matters and inorganic matters in the garbage for producing organic fertilizers and building block materials, and produces white pollutants as building insulation materials to realize garbage harmlessness and reclamation.
Description
Technical field
The invention belongs to the technical field of environment protection engineering. In particular, it relates to the vibration screening device of a kind of application of city life garbage treatment system.
Background technology
Along with the fast development of China's economy, consume a large amount of resources, produce a large amount of refuses, seriously affect and restrict Economic development and threaten the life life quality of people. Develop the economy, pollution administration, become the common recognition of modern society, environment protection work direction be implement walk Sustainable development, create harmonious society national development strategy. Environment protection is a fundamental state policy of China. Country is classified as energy-conserving and environment-protective industry as one of country's seven emerging strategic industries accelerating cultivation and development.
According to statistics, China's application of city life garbage generation about 2.77 hundred million tons in 2011, accounts for the 26% of whole world refuse production, is rubbish first big country in the world, and annual also with about 5%��8% speed increase.
China's urban life storage rubbish, more than 8,000,000,000 tons, takes up an area more than 80 ten thousand mu; Occupation of land amount is increasing with the speed of annual about 4.8%. Garbage-surrounded city, has beaten alarm bell to urban development, more consumes a large amount of human and material resources and financial resources process.
At present, the trash processing way of China, mainly contains sanitary landfill, burning electricity generation, compost etc. Wherein, sanitary landfill wastes a large amount of land resources, and is easily polluted by underground water source etc.; Burning electricity generation can make garbage bulk reduce 50%��95%, but investment is greatly, costly, also can discharge the objectionable impurities such as Dioxins, mercury, and the slag of residual and dust are also poisonous, harmful, and have burned a large amount of recyclable resource; The cycle of compost is long, and organism and inorganics need packing just can reclaim.
Summary of the invention
In order to solve prior art Problems existing, the present invention provides the vibration screening device of a kind of application of city life garbage treatment system, its objective is to realize harmless treatment and the recycling of townm refuse.
In order to realize above-mentioned purpose, the technical scheme that the present invention takes is:
The application of city life garbage treatment system of the present invention is provided with bag breaker, rotary conveyor, four axle crushers, vertical helical air supporting machine, air-dissolving air-float machine, solid-liquid separating machine, sewage purifier, refuse treatment station;
Rubbish is sent to four axle crushers by rotary conveyor by described bag breaker;
Between four described axle crushers and vertical helical air supporting machine, travelling belt is set; Rubbish after four described axle crusher in crushing delivers to described vertical helical air supporting machine by travelling belt;
By returning, pure water pipe is connected described vertical helical air supporting machine with sewage purifier; Described vertical helical air supporting machine is connected with solid-liquid separating machine by waste pipe;
The sewage outlet of described solid-liquid separating machine is connected with sewage purifier by pipeline.
Described bag breaker is provided with vibration screening device, the lower section of described vibration screening device, arranges transport sector and is connected with described rotary conveyor.
Described vibration screening device is provided with adjustable screening structure, and the same direction of the sieve plate of described adjustable screening structure is arranged, and its cross section forms " V " shape, becomes bakie.
Described adjustable screening 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 bakie described in each, pusher is set; Its pusher direction is consistent with the direction of bakie.
Described rotary 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 magnetic pole structure permanent magnetic core, abandon iron belt, deceleration motor and cylinder.
Described tramp iron separator respectively arranges one at the two ends of described rotary conveyor.
Described refuse disposal system is provided with the electrical control equipment of the startup, stopping and the protection that control phase asynchronous motor.
Described electrical control equipment is provided with control computer or PLC control module.
Described electrical control equipment is provided with overload protection circuit, open-phase protection circuit, current foldback circuit, under-voltage protecting circuit, short-circuit protection circuit, overheating protection circuit.
Four described axle crushers comprise four cutter shafts, are respectively two main shearing cutter shafts and two secondary shearing cutter shafts; Two main shearing cutter shafts are disposed adjacent, and 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 sheared on cutter shafts form secondary shear blade respectively with main shear knife.
Four described axle crushers are provided with crusher screen cloth.
In described vertical helical air supporting machine, it is provided with the rotating guide of Spiral distribution along its axis.
In the lower section of described rotating guide, it is provided with filter screen, at the upper surface of described filter screen, it is provided with scraper plate.
The sewage draining valve of time opening it is provided with in the bottom of described vertical helical air supporting machine.
Hold under described vertical helical air supporting machine and cone arranges viewing window.
In the upper end of described vertical helical air supporting machine, floating matter diversion trench is set.
Described air-dissolving air-float machine is provided with air flotation pool, dissolved air water pump, pressure air-dissolving tank and air compressor machine.
Described air-dissolving air-float machine is provided with flap coagulating basin.
Described air-dissolving air-float machine is provided with equalizing tank.
Described air-dissolving air-float machine is provided with administration apparatus.
It is provided with scraping machine on described air flotation pool.
Described air-dissolving air-float machine is provided with reliever.
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 stirrer.
Described conditioning stirrer is provided with thickened sludge import, flocculation agent import.
Described sewage purifier is provided with air supporting machine and air-dissolving apparatus.
Described air supporting machine is steel circular profile, and its inside is provided with reliever, uniform device, sludge sump, scraper plate and transmission system; Described air supporting machine is also provided with sludge discharging pipe and clear water goes out pipe.
Described air supporting machine be provided with a medicine storing pot and No. one mix medicine tank.
It is the one in polyacrylamide, polymer alumina, salt phenol, dioxide peroxide, dioxide peroxide and clorox that a described medicine storing pot and No. one mix the medicament in medicine tank, or multiple arbitrary combination.
Described air supporting machine is connected with waste pipe by sump pump.
Described waste pipe is mixed medicine tank with No. two medicine storing pots and No. two and is connected.
It is the one in polyacrylamide, polymer alumina, salt phenol, dioxide peroxide, dioxide peroxide and clorox that No. two described medicine storing pots and No. two mix the medicament in medicine tank, or multiple arbitrary combination.
Described air-dissolving apparatus comprises air compressor machine, gas-holder, dissolving; Described dissolving is connected with air supporting machine by high-pressure pump; Described air compressor machine is connected with gas-holder; Described gas-holder is connected with dissolving by gas control cabinet.
The unlimited implement of described refuse disposal system is arranged in refuse treatment station, and described refuse treatment station is airtight prefabricated house structure, is provided with rubbish is transported into and refuse treatment product transports transport passage and transport door.
Described refuse treatment station is provided with personnel's inlet/outlet.
Wall or the door of described refuse treatment station are provided with system cloud gray model viewing window.
Described refuse treatment station is provided with ventilation installation.
The present invention adopts technique scheme, rubbish is used as useful resource treat, by civil engineering, mechanical means, uses the techniques such as centrifugation, magnetic, floating, filtration, pioneering at home and abroad is medium taking water, uses physics, chemical process that application of city life garbage is carried out advanced treatment; The obnoxious flavour in rubbish can be decomposed, also can dilute the objectionable impurities in rubbish simultaneously; Pass through centrifuging process so that part material floats, circulation, greatly reduce the labour intensity in treating processes, save a large amount of man power and material; Using rubbish as raw materials for production, by organism wherein, inorganics separation also Appropriate application, produce organic fertilizer, building block material; White pollution thing produces building thermal insulation material, it is achieved garbage harmless, resource utilization; Its feature having is:
1, rubbish is without the need to packing, it is not necessary to rubbish carries out process in early stage, reduces processing links;
2, device miniaturization, it is achieved the treatment in situ of rubbish, the difficult problem such as decrement transport solving rubbish;
3, the garbage treatment quantity of whole production process is big, floor space is little, and each refuse treatment station only needs soil to be about 600m2; Cost is low, less energy consumption; Less investment, it is applied not by region and environmental limit, is easy to universal;
4, the water in treating processes can reuse, and fully achieves zero release, the no pollution of refuse treatment; Fully consider the various compositions contained by rubbish, maximized second stage employ can be obtained, secondary pollution can not be caused simultaneously;
5, technique scheme can create huge economic benefit, is particularly suitable for national conditions and the garbage property of China.
Accompanying drawing explanation
Content shown in accompanying drawing and the mark brief description in figure are as follows:
Fig. 1 is the overall structure schematic diagram of the present invention;
Fig. 2 is the tramp iron separator structural representation in the present invention;
Fig. 3 is the air-dissolving air-float machine structural representation of the present invention;
Fig. 4 is the vertical helical air supporting 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 refuse treatment station structure schematic diagram of the present invention;
Fig. 8 is the structural representation of the vibration screening device of the present invention;
Fig. 9 is the vertical view of structure shown in Fig. 8.
Figure is labeled as:
1, bag breaker, 2, rotary conveyor, 3, tramp iron separator, 4, four axle crushers, 5, vertical helical air supporting machine, 6, air-dissolving air-float machine, 7, solid-liquid separating machine, 8, sewage purifier, 9, electrical control equipment, 10, refuse treatment station, 11, return pure water pipe, 12, waste pipe.
13, equalizing tank, 14, administration apparatus, 15, sump pump, 16, flap coagulating basin, 17, reliever, 18, scraping machine, 19, air flotation pool, 20, dissolved air water deposit pond, 21, sludge sump, 22, dissolved air water pump, 23, pressure air-dissolving tank, 24, air compressor machine.
25, rotating guide, 26, filter screen cloth, 27, sewage draining valve, 28, viewing window.
29, flocculation agent import, 30, conditioning stirrer, 31, screen cloth thickened sludge, 32, the concentrated structure of rotary drum screen cloth, 33, mud cake, 34, thickened sludge import.
35, air compressor machine, 36, gas-holder, 37, gas control cabinet, 38, dissolving, 39, medicine storing pot, 40, mix medicine tank for No. one, 41, air supporting machine, 42, sludge discharging pipe, 43, clear water go out pipe, 44, high-pressure pump, 45, sump pump, 46, waste pipe, 47, No. two medicine storing pots, mix medicine tank for 48, No. two.
49, transport passage, 50, transport door, 51, personnel's inlet/outlet, 52, system cloud gray model viewing window, 53, ventilation installation.
54, scraper plate, 55, framework, 56, the permanent magnetic core of two magnetic pole structure, 57, abandon iron belt, 58, deceleration motor, 59, cylinder.
60, vibration screening device, 61, adjustable screening structure, 62, sieve plate, 63, bakie, 64, pusher.
Embodiment
Compare accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail, to help the technician of this area that invention design, the technical scheme of the present invention are had more complete, accurate and deep understanding.
The structure of the present invention as shown in Figure 1 is application of city life garbage treatment system.
The theory that the present invention drives based on energy-conserving and environment-protective, innovation, it provides application of city life garbage secondary utilization system treatment process, equipment technology, meets country about energy-conserving and environment-protective industry policy and developing direction, has the feature of emerging strategic industries. The present invention is pioneering at home and abroad is medium taking water, uses physics, chemical process, application of city life garbage carries out the degree of depth and thoroughly process, it is achieved garbage harmless, resource utilization, it is proposed that new thinking and new method.
Technology of garbage disposal provided by the invention, is used as rubbish as useful resource and treats, it is achieved that the second stage employ of rubbish. Its advantage is:
1, rubbish is without the need to packing, is applicable to China's actual conditions, namely all kinds of rubbish is carried out comprehensive treating process;
2, device miniaturization, it is achieved the treatment in situ of rubbish, the difficult problem such as decrement transport solving rubbish;
3, taking up an area less, each refuse treatment station only needs soil to be about 600m2, cost is little, energy consumption is low;
4, fully achieve zero release, the no pollution of refuse treatment, stop secondary pollution.
The present invention reduces the high efficiency of carbon discharge, belongs to the gold medal project under United Nations's Clean Development mechanism (UNCDM) item. For a medium-sized city, daily output domestic refuse about 4000 tons at present, after implementing the present invention, can reduce CO2 emissions (CER) more than 840,000 tons every year. This for completing energy-saving and emission-reduction index will make tremendous contribution; Meanwhile, the product of material second stage employ after refuse classification can create annual profits tax 2.16 hundred million yuans.
In order to solve prior art Problems existing and overcome its defect, it is achieved the harmless treatment of townm refuse and the goal of the invention of recycling, the technical scheme that the present invention takes is:
As shown in Figure 1, the application of city life garbage treatment system of the present invention is provided with bag breaker 1, rotary conveyor 2, four axle crusher 4, vertical helical air supporting machine 5, air-dissolving air-float machine 6, solid-liquid separating machine 7, sewage purifier 8, refuse treatment station 10;
Rubbish is sent to four axle crushers 4 by rotary conveyor 2 by described bag breaker 1;
Between four described axle crushers 4 and vertical helical air supporting machine 5, travelling belt is set; Rubbish after four described axle crusher 4 fragmentations delivers to described vertical helical air supporting machine 5 by travelling belt;
By returning, pure water pipe 11 is connected described vertical helical air supporting machine 5 with sewage purifier 8; Described vertical helical air supporting machine 5 is connected with solid-liquid separating machine 7 by waste pipe 12;
The sewage outlet of described solid-liquid separating machine 7 is connected with sewage purifier 8 by pipeline.
The technique scheme of the present invention, it relates to civil engineering, mechanical means, uses the techniques such as centrifugation, magnetic, floating, filtration, by the organism in rubbish, inorganics separation Appropriate application, produces organic fertilizer, building block material; White pollution thing produces building thermal insulation material. Using rubbish as raw materials for production, its product can create huge economic benefit, meets national conditions and the garbage property of China, suits measures to local conditions, and less investment, is easy to universal.
Consider the various compositions contained by rubbish, maximized second stage employ can be obtained, secondary pollution can not be caused simultaneously; Take water as medium, it is possible to decompose the obnoxious flavour in rubbish, also can dilute the objectionable impurities in rubbish simultaneously, pass through centrifuging process so that part material floats, circulation, greatly reduce the labour intensity in treating processes, save a large amount of man power and material; Water in treating processes can reuse, and accomplishes zero release. The garbage treatment quantity of whole production process is big, power consumption is few, and it is applied not by region and environmental limit.
After townm refuse adopts the technical finesse of the present invention, following product can be produced:
1, plastics, comprise plastic film, packing bag, Plastic Bottle etc., account for 10% the 15% of rubbish total amount, enter recycling economy;
2, sandstone, glass cullet, livestock and poultry bone, hard shell etc., account for the 5% of rubbish total amount, be processed into material of construction after crushed;
3, metal, accounts for 2% the 3% of rubbish total amount, enters recycling economy;
4, moisture, accounts for 20% the 30% of rubbish total amount, and the treatment system entering the present invention after treatment recycles;
5, the organic substance that refuse treatment is formed, accounts for 10% the 15% of rubbish total amount, by the residuals after anaerobic digestion, then after sterilization and drying treatment, is that the soil of high-quality supplements fertilizer.
As shown in Figure 1, bag breaker 1 is provided with multiple broken bag hook, and under motor drives, the various packing bag hooks of load garbage are broken, all shaken off by rubbish on the belt of rotary conveyor 2 by motion.
As shown in Figure 8 and Figure 9: described bag breaker 1 is provided with vibration screening device 60, the lower section of described vibration screening device 60, arranges transport sector and is connected with described rotary conveyor 2. Carry out preliminary sorting by vibration screening device 60, mainly all kinds of battery is sifted out, wherein mainly No. 2 batteries.
It is sent to rotary conveyor 2 at bag breaker 1 point of rubbish sifted out by this transport sector, then it is sent to four axle crushers 4 and carries out fragmentation.
Described vibration screening device 60 is provided with adjustable screening structure 61, and the same direction of the sieve plate 62 of described adjustable screening structure 61 is arranged, and its cross section forms " V " shape, becomes bakie 63. All kinds of cylindrical battery is leaked down by bakie 63, then passes through container collection.
Owing to being arranged to " V " shape structure, the rubbish such as the battery of cylinder shape will be stuck in groove, waits that pusher 64 timing is released, it is achieved the separation of battery.
Described adjustable screening 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 the battery of different size. This mainly rubbish situation according to different areas carry out selecting and regulating.
On bakie 63 described in each, pusher 64 is set; Its pusher direction is consistent with the direction of bakie. Pusher 64 realizes timing pusher motion; Or carry out pusher motion according to the signal that induction installation obtains, first battery is separated from rubbish.
By technique scheme, first the objectionable impuritiess such as battery are separated from rubbish, for next step advanced treatment is got ready, lay the foundation.
Rotary conveyor 2 carries out deironing operation, then the rubbish eliminating impurity iron drops into four axle crushers 4, then the rubbish after fragmentation is delivered to vertical helical air supporting machine 5.
As shown in Figure 2, described rotary 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 magnetic pole structure permanent magnetic core 56, abandon iron belt 57, deceleration motor 58 and cylinder 59.
The tramp iron separator 3 of said structure is applicable to from non-magnetic material automatically remove ferromagnetic material, has perfect two magnetic pole structures, to ensure complete machine trouble free long-time running in severe environment.
Owing to abandoning the continuous motion of iron belt 57, from there being the position of magnetic to be adsorbed by scrap iron, forwarding nonmagnetic 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 rotary conveyor 2.
Respectively arranging a tramp iron separator 3 at the two ends of described rotary conveyor 2, its effect is: guarantee that all magnetic substances all can be eliminated.
When arranging, it is possible to making tramp iron separator 3 suction of front end be less than the suction of tramp iron separator 3 of rear end, Each performs its own functions to make two tramp iron separators 3, fully removes magnetic substance; And the tramp iron separator 3 of rear end abandon the tramp iron separator 3 that iron belt 57 movement velocity is less than front end, ensure scrap iron difficult drop-off.
As shown in Figure 1, described refuse disposal system is provided with the electrical control equipment 9 of the startup, stopping and the protection that control phase asynchronous motor.
The motor controlling cabinet of the refuse disposal system of the present invention is used to control the operating device of the startup of three-phase asynchronous motor, stopping, operation, protection. The startup of star-delta conversion decompression, soft startup, self-coupling voltage reducing three kinds of Starting mode can be divided into, reduce rush current when starting, it is possible to more frequently start and stop motor, and make motor be unlikely to overheated, and can conveniently regulate the starting characteristic of motor, thus extend the life-span of motor.
Described electrical control equipment 9 is provided with control computer or PLC control module. Electrical control equipment 9 adopts computer programming to operate, it is achieved the automatization of whole-process control. The travelling speed of computer or PLC control module program setting all devices, makes it mutual coordination.
Described electrical control equipment 9 is provided with overload protection 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 protection function of overload, disconnected phase, overcurrent, the fault such as under-voltage, overheated, short-circuit, it is achieved the normal operation of system and safety in production, and guarantees that equipment there will not be catastrophe failure, extend its work-ing life.
As shown in Figure 1, four described axle crushers 4 comprise four cutter shafts, are respectively two main shearing cutter shafts and two secondary shearing cutter shafts; Two main shearing cutter shafts are disposed adjacent, and 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 sheared on cutter shafts form secondary shear blade respectively with main shear knife.
Each main shearing cutter shaft and secondary shearing all arrange one group of cutter on cutter shaft.
The shearing mechanism of said structure is:
Main cut mode: formed between adjacent main shear knife group cutting edge and relatively cut;
Secondary cut mode: form relative cutting between adjacent main shear knife group with secondary shear knife group cutting edge
Four described axle crushers 4 are provided with crusher screen cloth.
The discharging size of four axle crushers 4 is controlled by screen cloth, and material is by after cutting at one time, and the particle size material less than sieve mesh will discharging from mesh; The material that dimension ratio mesh is big, by the guide effect of main shear knife and secondary shear knife, returns broken case along screen cloth internal 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 supporting machine 5, the rotating guide 25 of Spiral distribution it is provided with along its axis.
Rubbish after fragmentation, carries out preliminary sorting at vertical helical air supporting machine 5, floating matter is separated.
In the lower section of described rotating guide, it is provided with filter screen 26, at the upper surface of described filter screen 26, it is provided with scraper plate 54. The effect of scraper plate 54 prevents rubbish from being blocked by sieve mesh, it is to increase overanxious ability and effect.
The sewage draining valve 27 of time opening it is provided with in the bottom of described vertical helical air supporting machine 5. The dirt that some proportions are bigger, forms precipitation, it is possible to it regularly discharged by sewage draining valve 27 in the bottom of vertical helical air supporting machine 5.
Described vertical helical air supporting machine 5 times end cones arrange viewing window 28. Viewing window, for observing the accumulation situation of the heavier dirt of vertical helical air supporting machine 5 times end cones, processes to open sewage draining valve 27 in time.
In the upper end of described vertical helical air supporting machine 5, floating matter diversion trench is set. Floating matter is discharged vertical helical air supporting machine 5 by diversion trench and is reclaimed.
Rotating guide 25 high speed rotating of Spiral distribution, more convenient and thorough report realizes being separated of floating matter and other rubbish. At this moment described floating matter mainly plastics and greasy dirt, will can produce reprocessed plastic(s) after plastics recovery, carry out harmless treatment as industrial raw material, fully accomplish utilization of waste material after being reclaimed by greasy dirt.
As shown in Figure 3, described air-dissolving air-float machine 6 is provided with air flotation pool 19, dissolved air water pump 22, pressure air-dissolving tank 23 and air compressor machine 24.
Air-dissolving air-float machine 6 is steel design, and its principle of work is:
Air is by being pumped into pressure air-dissolving tank 23, it is forced to be dissolved in water under 0.5Mpa pressure, when release suddenly, the air being dissolved in water precipitates out, form a large amount of fine and close microbubble group, slow uphill process adsorbs suspended substance, makes aerosol density decline and float, reach the object removing SS and CODcr. Can be applied in cities and towns industry, biotope, food, medical treatment, butcher, gelatine, gelatin, chemical industry, leather, weaving, hotel, printing and dyeing, the rubbish of the every profession and trade such as papermaking, waste water control easily qualified discharge or reuse.
Described air-dissolving air-float machine 6 is provided with flap coagulating basin 16. Flap coagulating basin 16 extends cohesion route, it is to increase flocculating result.
Described air-dissolving air-float machine 6 is provided with equalizing tank 13. Equalizing tank 13 takes corresponding measure according to the chemical property of sewage and mud.
Described air-dissolving air-float machine 6 is provided with administration apparatus 14. It is mainly used in throwing in the medicine of cohesion.
It is provided with scraping machine 18 on described air flotation pool 19. After air supporting, a large amount of foam can be generated at fluid surface, it is necessary to adopt scraping machine 18 to be removed.
Described air-dissolving air-float machine 6 is provided with reliever 17. Reliever is the key part producing microbubble, the dissolved air water that dissolving comes fully mixes with waste water here, suddenly release, produce vigorous agitation and eddy current, form the microbubble that diameter is about 20-80um, thus on attached flocs unit in waste water, thus reducing the rising proportion of flocs unit, clear water is thoroughly separated;
Micro-flotation air supporting machine, by brand-new rectification measure, substantially increases the effect of sewage disposal. Its ultimate principle is:
Micro-flotation technology is when being separated removal suspension solid substance and colloidal attitude material, it is that the fine flotation material in the microbubble of physical method generation and handled water, the poly-thing of fine wadding are adhered to each other, formed " copolymerization adhesion " that between grain, capsule folder and middle bubble are built bridge and adhered to and have both at the same time, in addition chemical flocculation effect, completes micro-flotation. Realize solid-liquid separation, sewage is purified.
The feature of air-dissolving air-float machine 6:
1, micro-flotation air supporting machine is furnished with efficient air dissolving system, and microbubble mean diameter, at below 1um, compares with the level of domestic and international 20 50um at present, at least reduces 20 times, and namely when molten tolerance is equal, microbubble total surface area at least increases more than 400 doubly. In fact, owing to dissolved-air rate significantly improves, microbubble total surface area or bubble density add thousands of times. Scientific research shows: after microbubble diameter is less than certain value, according to statistical mechanics, the impact force of its periphery water molecules thermal motion is by overbalance, and bubble will participate in part pedesis, very being conducive to oxygen molecule in bubble to expand micro-in sewage, thus aeration effect will exceed and be far above thousands of times;
2, adopt special stainless steel mechanism in micro-flotation air supporting machine, play unprecedented rectification, steady flow result, and special efficient release system, eliminate the energy of dissolved air water to greatest extent, that is, make the high energy value of molten gas from depth balance, drop to almost close to the low energy value of normal pressure;
3, micro-flotation air supporting machine compact construction, miniaturization, floor space are little; As processed 1000 4000m day3The water yield, device height is 5.5m only, takes up an area 10m2, inside, workshop can be arranged on completely;
4, this mechanomotive force consumption is few, can reduce by more than 50% than common air supporting;
5, chemical consumption is low, can reduce by more than 50% than common air supporting method;
6, concentration height is discharged. Can reaching more than 4%, water outlet is as clear as crystal, and SS clearance reaches more than 96%, and insoluble 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 by the moisture extrusion in mud, sludge volume is reduced greatly, forms screen cloth thickened sludge 31.
Described solid-liquid separating machine 7 is provided with conditioning stirrer 30. Mud inconsistent for concentration is mixed.
Described conditioning stirrer 30 is provided with thickened sludge import 34, flocculation agent import 29.
Screen cloth thickened sludge 31, after press working, forms mud cake 33, and outside discharging solid-liquid separating machine 7, transports by Transport Machinery, process further. Owing to the major ingredient of mud cake 33 at this moment has been inorganics, so the present invention also arranges building block production unit at this, the mud cake 33 produced in garbage processing procedure is carried out deep processing, produce material of construction, it is to increase economic benefit.
Concentrated is a kind of important method reducing sludge volume. In sludge handling process, generally all adopt the preprocess form that the method for gravity concentration operates as sludge dewatering. But the solid-liquid separating machine 7 of the present invention adopts two section type drum concentration mud-water separation machine, it is on the basis of former belt filter press and Barrate type grilling machine, the novel sludge concentration device become through optimum combination, it is possible to be applied to various industrial sludge processed, butcher, livestock industry sludge dewatering treatment, sludge from wastewater treatment plant processed, the condensing process of water purification plant's mud, solid-liquid separation dehydration process in the various flow process of food chemical industry mining industry.
It is concentrated that NC type lightweight center transmission thickner is applicable in the industry such as municipal administration, light industry active sludge, NC type heavy type be applicable to the industry sewage such as mine, smelting, iron and steel process in than great, the sludge condensation that sinking velocity is fast.
The technology features of two section type drum concentration mud-water separation machine:
1, overall investment economizes, and comprises mechanical means, automatic control electrical system, civil engineering and expropriation of land expense;
2, floor space is little, is generally 1st/10 to ten/5ths of conventional treatment process floor space, and plant area arranges compact, attractive in appearance;
3, the quality after processing is good, can be better than one-level emission standard A or miscellaneous domestic water quality standard;
4, technical process is short, the transmission efficiency height of oxygen, and system oxygen-transfer efficiency can reach 30% 35%, and oxygen supply power consumption is low;
5, filtration velocity is fast, and processing load is much higher than conventional treatment process;
6, strong shock resistance, affects little by weather, the water yield and change of water quality, is particularly suitable for cold weather area, and can intermittent operation;
7, can building up closed factory building, reduce foul smell, noise to the impact of surrounding environment, visual perception is effective;
8, all adopting PLC intelligent control, operator are few, and operational management is convenient, are convenient to safeguard;
9, whole modularization structure, is convenient to carry out the reorganization and expansion in later stage.
As shown in Figure 6, described sewage purifier 8 is provided with air supporting machine 44 and air-dissolving apparatus.
Described air supporting machine 44 is steel circular profile, and its inside is provided with reliever, uniform device, sludge sump, scraper plate and transmission system; Described air supporting machine 44 is also provided with sludge discharging pipe 42 and clear water goes out pipe 43.
Described air supporting machine 44 be provided with a medicine storing pot 39 and No. one mix medicine tank 40.
It is the one in polyacrylamide, polymer alumina, salt phenol, dioxide peroxide, dioxide peroxide and clorox that a described medicine storing pot 39 and No. one mix the medicament in medicine tank 40, or multiple arbitrary combination.
Wherein:
Polyacrylamide (PAM): be high molecular weight water soluble polymer, is insoluble to most of organic solvent, has good flocculence, it is possible to reduce the friction resistance between liquid.
The effect of polyacrylamide is selected in air supporting:
Air supporting method mainly utilizes gas that sewage is oxidized, air supporting great majority be for two stage biological process advanced treatment, industry the most common at present be for oily(waste)water oil removal after supplementary process. Air supporting method can concentrated for active sludge effectively; The removal of suspended impurity in sewage. Air supporting selects the polyacrylamide effectiveness comparison of negatively charged ion good, particularly partial reflux dissolved air flotation, has both the technological advantage of total reflux, full air-dissolving air-float, and compares cloth gas air supporting method and have the amount of disposing of sewage greatly, the feature that process effect is high; Compare electrolytic gas float glass process to have and save electric energy and the lower advantage of working cost, the requirement be applicable to modern enterprise energy-saving and environmental protection, subtracting consumption, synergy.
Polymerize aluminum chloride: be that tradition inorganic coagulant is low molecule crystal salt with the fundamental difference of tradition inorganic coagulant, and the structure of polymerize aluminum chloride is made up of many units carboxyl complex compound that form is changeable, flocculation sediment speed is fast, it is suitable for pH value wide ranges, to pipe-line equipment non-corrosiveness, purifying water effect is obvious, can effectively prop up except look matter SS, COD, BOD and the heavy metal ion such as arsenic, mercury in water, and this product is extensively for tap water, process water and sewage treatment area.
Dioxide peroxide (sterilizing agent): dioxide peroxide because its to have sterilizing ability strong, human body and animal are not endangered and environment are not caused the features such as secondary pollution and enjoys the favor of people. Dioxide peroxide is not only a kind of Broadspectrum environment-protective type disinfection sanitizer not producing carcinogens, but also shows significant effect in sterilization, food fresh keeping, deodorizing etc. As oxygenant, deodorizing composition, biocide, preservation agent, SYNTHETIC OPTICAL WHITNER etc.
Secondary sodium-chlor (also makes clorox): strong oxidizer, is used for papermaking, weaving, light industry etc. as SYNTHETIC OPTICAL WHITNER, oxygenant and water scavengine agent, has the effect of bleaching, sterilization, sterilization. For water purification, and make sterilizing agent, association with pulp bleaching etc., with chloramines processed etc. in medicine industry.
Described air supporting machine 44 is connected with waste pipe 46 by sump pump 45.
Described waste pipe 46 is mixed medicine tank 48 with No. two medicine storing pots 47 and No. two and is connected.
It is the one in polyacrylamide, polymer alumina, salt phenol, dioxide peroxide, dioxide peroxide and clorox that described No. two medicine storing pots 47 and No. two mix the medicament in medicine tank 48, or multiple arbitrary combination.
It is identical that above-mentioned medicament and medicine storing pot 39 mix medicine tank 40 with No. one.
Described air-dissolving apparatus comprises air compressor machine 35, gas-holder 36, dissolving 38; Described dissolving 38 is connected with air supporting machine 44 by high-pressure pump 44; Described air compressor machine 35 is connected with gas-holder 36; Described gas-holder 36 is connected with dissolving 38 by gas control cabinet 37.
The sewage purifier stable and reliable operation of the present invention, 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 principle of work is:
Air is by being pumped into pressure air-dissolving tank, it is forced to be dissolved in water under 0.5MPA pressure, when release suddenly, the air being dissolved in water precipitates out, form a large amount of extremely close microbubble group, in slow uphill process, adsorb suspended substance, make aerosol density decline and float, reaching the object removing SS and COD, this product adaptation is in sewage disposals such as oil, chemical industry, papermaking, leather, printing and dyeing, food, starch.
Air-dissolving air-float machine adopts new and effective molten gas equipment microbubble generator, replace traditional bleed equipment molten gas in water, and some inclined tube groups are installed in air supporting region, comprise casing, slag scraper, spiral discharging machine and jointly form a complete air-float purifier.
Theoretically, pneumatically supported process effect and the residence time 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, so the air supporting Distance geometry residence time all will reduce 10 times, and this is exactly famous " shallow pool theory ". It is 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 state, manufacture good laminar flow regime, reach the effect of shallow air-floatation. With reason, when the density of suspended substance is greater than 1, owing to having installed inclined tube group, the effect of shallow pond precipitation will be produced, thus carry out under making to be deposited in turbulent-flow conditions. Particle diameter religion is big, the proportion big pollution substance not easily floated of religion will focus in mud collection area, reaches the object of water purification. Can be divided into by water flow mode: flat flow air-dissolving air-float machine, upflowing air-dissolving air-float machine and composite type air-dissolving air-float machine.
The sewage purifier of the present invention has following technology feature:
Water suction limit, limit air-breathing, pressurization mixing in pump, micro bubble size 10��30 microns. Overcoming conventional apparatus fluctuation of service, big bubble seethes and discharges blockage problem. Air supporting machine is easy for installation, processes effective, and energy expenditure is low, it is possible to effectively remove the frivolous wadding body being difficult to precipitation in waste water.
1, air supporting function eliminates sludge bulking;
2, processing power is big, efficiency height, take up an area few;
3, skill process and device structure are simply, easy to use, maintenance;
4, floating machine time to aeration in water, tensio-active agent and stink to removing in water have positive effect, add the dissolved oxygen in water due to aeration simultaneously, for postorder process provides favourable condition.
The equipment of suspended solid, grease and various jelly of air-dissolving air-float machine herein for removing in various industry and municipal wastewater. Air-dissolving air-float machine is widely used in oil refining, chemical industry, brewages, vegetable oil production and refining, butcher, electroplate, the process of the trade effluent such as printing and dyeing and municipal wastewater.
Vertical-flow air-dissolving air-float machine (is also circular air-dissolving air-float machine), applies new molten gas mechanism, devises novel unique air dissolving system, and the process effect of its excellent processing property brilliance, is fully demonstrated 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 supporting machine:
Circular steel design is main body and the core of water treatment machine. There are reliever, uniform device, sludge pipe, rising pipe, sludge sump, scraper plate and transmission system etc. in inside.
Reliever is placed in the central position of air supporting machine, it it is the key part producing microbubble, the dissolved air water that dissolving comes fully mixes with waste water here, suddenly release, produce vigorous agitation and eddy current, form the microbubble that diameter is about 20-80um, thus on attached flocs unit in waste water, thus reducing the rising proportion of flocs unit, clear water is thoroughly separated;
The structure of uniform device journey taper, is connected on reliever, and main effect is dispersed evenly in tank body by the clear water separated and mud;
Rising pipe is distributed in tank body lower part, and is connected to tank top by a uprise and overflows,
Spillway is provided with regulation of level handle, is convenient in regulating tank water level;
Sludge pipe is installed on tank base, for discharging throw out;
Tank body top does not have sludge sump, and groove has scraper plate, and scraper plate not stall is moved, and constantly scrapes in sludge sump by the mud of floating, certainly flow in sludge sump.
2, air dissolving system:
Air dissolving system is primarily of dissolving, gas-holder, air compressor, high-pressure pump composition.
Dissolving is the part of most critical in system, and its effect is exactly the abundant contact realizing water and air, accelerates air dissolves. It is a closed pressure resistant cylinder of steel, and indoor design has baffle plate, every cover, can accelerate dispersion, the mass transfer process of gas and water body, it is to increase molten gas efficiency.
3, pharmacy jar:
Pharmacy jar steel round can, for dissolving storage liquid, wherein two is dissolving vessel, and with whipping appts, two other is medicament storage tank, and volume is supporting with processing power size.
Installation steps:
Air-dissolving air-float machine is widely used in plumbing and wastewater treatment, and it can remove the frivolous wadding body being difficult to precipitation in waste water effectively. Its installation steps should be as follows:
1, the electric appliance box of air supporting machine generally should be placed on staircase side, environment should totally, cleaning.
2, before air supporting machine is installed, it is necessary to compacting foundation. And with the padded 100-150mm of concrete mortar. Also installation can be maked somebody a mere figurehead, but basis necessity can undertake weight when equipment runs.
3, outlet can connect water drain discharge, as entered lower road treatment process, can directly connect with lower road treatment facility.
4, adjustment level is needed after in place.
5, connect pipeline between import with reaction tank, it is desired to more short more good, it is destroyed in the duct in order to avoid body doubted by wadding.
6, outlet can be connected to sludge sump or sludge treatment device.
7, gas air supporting machine need to establish cleaning water drain, can dig open channel, it is also possible to directly adopts pipeline to be connected to equalizing tank, so that the water rinsing air flotation pool discharges.
Air-dissolving air-float machine is a kind of solid-liquid separation airfloat equipment used in sewage, mainly can effectively remove the impurity such as SS, the CODcr in sewage in Water warfare, sanitary sewage, Industrial Wastewater Treatment. Precaution and the daily maintenance procedure of air-dissolving air-float machine are as follows:
1, fresh water pump, air compressor machine, scraping machine regularly to be added oil lubrication, and general air compressor machine adds once oil for two months, change once oil half a year.
2, the necessary dosing of sewage of air-dissolving air-float machine is entered, otherwise effect is undesirable.
3, dissolving upward pressure table reading must not more than 0.6MPa.
4, safety valve whether reliable operation is made regular check on the dissolving of air-dissolving air-float machine.
5, when reliever occurs to block, it is possible to open vacuum pumping valve, reliever tongue piece is opened, makes its self-cleaning with clear water.
6, how many air flotation pools should look throw out, regularly cleans.
Air-dissolving air-float machine 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 import with backflow water, again through pump impeller hand over be cut into tiny dissolved air water, the dissolved air water of oyster white it is released into again through reducing valve, flocculation is floated, thus reaches purification object. Several advantages of air-dissolving air-float machine are:
1, air-dissolving air-float captain phase stability, easily operation, easily maintenance, low noise;
2, the efficient absorption of air-dissolving air-float machine (air-dissolving air-float equipment) microbubble and suspended particle, it is to increase the removal effect of SS;
3, air supporting machine controls and the maintenance of simplicity automatically so that it is become real " fool " formula treatment system.
4, air-dissolving air-float machine 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 than traditional air-dissolving air-float efficiency 3 times;
6, air-dissolving air-float machine can water suction limit, limit air-breathing, pressurization mixing, gas-liquid dissolved efficiency height, micro bubble��20 ��m in pump;
7, multilayer row mud, it is ensured that water outlet effect;
8, low pressure operation, molten gas efficiency, up to 99%, releases gas rate up to 99%.
As shown in Figure 7, the unlimited implement of described refuse disposal system is arranged in refuse treatment station 10, described refuse treatment station 10 is airtight prefabricated house structure, is provided with rubbish is transported into and refuse treatment product transports transport passage 49 and transport door 50.
Described transport passage 49 is the passage of slope shape, facilitates the turnover of rubbish and Working vehicle. Transport door 50 realizes automatically, or electric opening, makes more convenient operation, fast.
Described unlimited implement comprises bag breaker 1, rotary conveyor 2, tramp iron separator 3, four axle crusher 4 and vertical helical air supporting machine.
Described refuse treatment station 10 is provided with personnel's inlet/outlet 51. Described electrical control equipment 9 also can be arranged in refuse treatment station 10.
Wall or the door of described refuse treatment station 10 are provided with system cloud gray model viewing window 52.
Described refuse treatment station 10 is provided with ventilation installation 53. Owing to refuse treatment station 10 has certain sealing property, therefore, by ventilation installation 53, the gas of the dirt in refuse treatment station 10 is discharged, line space of going forward side by side gas purifying treatment.
The Economic and Efficiency Analysis of the present invention:
After the technical scheme of the present invention is applied, the price of every suit system is about 40 50 ten thousand yuan. Producing 5000 covers by an enterprise to calculate, annual value of production can reach more than 2,000,000,000 yuan, can contribution tax about 300,000,000 yuan.
Rubbish is produced into building thermal insulation material and other products after being separated, and year consumes 1,500,000 tons, rubbish, therefrom can be changed into resource, and every ton is worth with 1000 yuan of calculating, can produce value 7.5 hundred million yuan, year contribution tax 300,000,000 yuan.
If taking transfer of technology mode, annual by transferring the possession of 1000 enterprise calculation, each enterprise's transfer fee 50,000 yuan, can acquiring technology transfer fee 5,000 ten thousand yuan.
After project is gone into operation, every index average annual growth 10%.
Owing to the rubbish quantum of output in China and even the whole world is increasing, it is necessary to the space of process is very big, therefore, the technical prospect implementing the present invention is very optimistic.
Above in conjunction with accompanying drawing to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that the design of the method for the present invention carries out with technical scheme; or without improving, the design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention.
Claims (1)
1. a vibration screening device for application of city life garbage treatment system, described application of city life garbage treatment system is provided with bag breaker (1), rotary conveyor (2), four axle crushers (4), vertical helical air supporting machine (5), air-dissolving air-float machine (6), solid-liquid separating machine (7), sewage purifier (8), refuse treatment station (10);
Rubbish is sent to four axle crushers (4) by rotary conveyor (2) by described bag breaker (1);
Between four described axle crushers (4) and vertical helical air supporting machine (5), travelling belt is set; Rubbish after four described axle crushers (4) are broken delivers to described vertical helical air supporting machine (5) by travelling belt;
By returning, pure water pipe (11) is connected described vertical helical air supporting machine (5) with sewage purifier (8); Described vertical helical air supporting machine (5) is connected with solid-liquid separating machine (7) by waste pipe (12);
The sewage outlet of described solid-liquid separating machine (7) is connected with sewage purifier (8) by pipeline;
It is characterized in that:
Described bag breaker (1) arranges described vibration screening device (60), the lower section of described vibration screening device (60), arranges transport sector and is connected with described rotary conveyor (2);
Described vibration screening device (60) is provided with adjustable screening structure (61), the same direction of the sieve plate (62) of described adjustable screening structure (61) is arranged, its cross section forms " V " shape, becomes bakie (63);
On bakie (63) described in each, pusher (64) is set; Its pusher direction is consistent with the direction of bakie (63).
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Application publication date: 20160601 |