CN102107207B - Method and system for extracting resource material from domestic waste - Google Patents

Method and system for extracting resource material from domestic waste Download PDF

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Publication number
CN102107207B
CN102107207B CN 200910261688 CN200910261688A CN102107207B CN 102107207 B CN102107207 B CN 102107207B CN 200910261688 CN200910261688 CN 200910261688 CN 200910261688 A CN200910261688 A CN 200910261688A CN 102107207 B CN102107207 B CN 102107207B
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sieve
leading portion
conveyer belt
weight
thing
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CN102107207A (en
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黄市承
曾孟津
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Abstract

The invention relates to method and system for extracting resource materials from domestic waste. The method comprises a domestic waste storage and feeding step with the use of a plurality of automatic equipment, a bag breaking step and a fore-end treatment step, a fore-end screened material separation step, a primary treatment step, a primary screened material separation step, a primary sieve residue air separation step, a secondary treatment step, a secondary screened material separation step, a secondary sieve residue air separation step, a magnetic separation step and a back-end air separation step. As a result, different materials in the domestic waste are automatically sorted and recovered according to the sizes, the weights, the specific gravities and the magnetic attraction properties of the materials; the domestic waste is classified into the following categories: impurities (combustible impurities), organic materials, heavy materials, magnetic metals, and light-weight materials (including flat materials and soft rubber bags); then the materials classified on the property basis are subjected to the next resource recovery and regeneration treatment and other recycling and harmless treatments; and finally, the purposes of decomposition, quantity reduction, carbon reduction and resource reuse of the domestic waste are achieved.

Description

Domestic garbage resources material extracting method and system
Invention field
The present invention is the technological means that relevant a kind of domestic garbage resources classification is reclaimed, especially refer to a kind of utilize a plurality of automation equipments in regular turn to house refuse repeatedly screen, classification such as sink-float, magnetic in the selection by winnowing, water, make in the house refuse various materials according to the characteristic of its different sizes, weight, proportion the high efficiency domestic garbage resources material extracting method and the system of the recovery of classifying automatically.
Background technology
Live in the people in city, discharge rubbish in daily life always, but domestic waste but is the thing of nearly decades as the referred agenda of environmental problem.For a long time, people are confined to landfill always and burn dual mode the processing mode of house refuse.This processing mode in the scope that natural purifying ability allowed, generally can not brought harm and influence to environment in the level of consumption not high period.Yet along with the development of the raising, particularly chemical industry of Increase of population, people's quality of life, not only discharge capacity surge of domestic waste, and also the composition that is difficult to natural decomposition increases, and rubbish manifests day by day to the harm and the influence of environment.
Along with environmental problem is much accounted of gradually, energy-saving and environmental protection become the development topic of various countries, have begun to provide for garbage disposal the chance of industry development.Rubbish average annual growth rate in the whole world is 8.42%, and Chinese rubbish growth rate reaches more than 10%.4.9 hundred million tons of rubbish of the annual generation in the whole world, only China just produces nearly 1.5 hundred million tons of municipal refuses every year.Chinese city house refuse accumulation volume of cargo in storage has reached 7,000,000,000 tons.Under so huge rubbish storage pressure, have reason to believe that the garbage disposal industry can become following each domestic star's industry.
In the urbanization evolution, rubbish once was the burden of urban development as the product of city metabolism, and all there was the situation of garbage-surrounded city in many in the world cities.Now, rubbish is considered to " city mineral reserve " tool potentiality to be exploited, never exhausted, is " resource that mislays ".This is to going deep into and in-depth that rubbish is familiar with, also is the inevitable requirement of urban development.
Regenerated resources become the ground zero that resources circulation reclaims, and become resources circulation simultaneously and reclaim economic important component part.In addition, recycling in the process at waste resource and waste and scrap, not only solved the shortage of resources problem, significantly reduced garbage discharge amount simultaneously, just is " killing two birds with one stone ".China constantly puts into effect the development of policy support garbage disposal industry, and national governments also begin to pay much attention to the minimizing of rubbish, innoxious, recycling treatment, step up its investment, and can predict that the prospect of garbage disposal industry is very wide.
Yet present existing comprehensive treatment technique, reclaimer and technology, and the house refuse composition that mixes effectively can't be carried out pre-treatment, key is that the structure in the house refuse is too complicated, usually can't be by directly effectively classification of mechanized equipment; And sort in the manpower mode merely; yet problems such as the working environment of, stench big in amount, classification error rate height can't be properly settled all the time; and often mixing virose material in the rubbish exists; manual sort's mode will be very easy to make the letter sorting personnel to be subjected to virus infections, the non-permanent processing mode of historical facts or anecdotes.
The huge resource material that can recycling of in rubbish folder because often meet during garbage disposal; and these materials have different sizes; weight; the characteristic of proportion; moreover also be mingled with wrappage therebetween; silt; dust and dirt; sewage ... even may have problems such as poisonous substance; therefore; the inventor is engaged in the garbage disposal experience long-pending ten several years; just set about researching and developing the classification of relative refuse; separate; technology such as clean; so that the resource of carrying out of house refuse energy automation is extracted; do with real through the research and development of ten several years; sieve and invent out a kind of utilization; eddy flow; magnetic separation; wind-force; barrier; device and measures such as buoyancy (air supporting) and other auxiliary sorting, thereby in being difficult for, created a kind of extracting method and system of domestic garbage resources material.
Summary of the invention
Main purpose of the present invention is to be the technology of extracting about a kind of domestic garbage resources material is provided, and this technology comprises the extracting method and the system of relevant domestic garbage resources material.
For reaching above-mentioned purpose, the extracting method of domestic garbage resources material of the present invention comprises:
A kind of domestic garbage resources material extracting method, it comprises following key step:
Step 1: storing and broken bag step, after with a feeding web house refuse being sent into a broken bag device, carry out broken bag by this broken bag device and handle, make part by the rubbish of wrappage parcel by separating in the wrappage, and rubbish is sent to a leading portion separator with a broken bag conveyer belt;
Step 2: leading portion treatment step, this leading portion separator is provided with a plurality of leading portion sieve apertures, leading portion residues greater than the leading portion sieve aperture in the rubbish is sent into one first separator by a leading portion conveyer belt, carries in the tank less than leading portion sieve set leading portion below thing falls into this leading portion separator of leading portion sieve aperture;
Step 3: first treatment step, this first separator is provided with a plurality of first sieve apertures, this first sieve aperture is greater than the leading portion sieve aperture, and the first residues warp let-off one first greater than first sieve aperture enters one second separator behind the conveyer belt apparatus against the wind, sieves in thing falls into one first set conveying tank of first separator below less than first of first sieve aperture;
Step 4: second treatment step, second separator is provided with a plurality of second sieve apertures, this second sieve aperture is greater than first sieve aperture, and send into one second contrary wind conveyer belt apparatus greater than second residues of second sieve aperture, sieve in thing falls into one second set conveying tank of below less than second of second sieve aperture;
Step 5: the magnetic separation treatment step, collect first sieve from the thing and second magnetic metal that sieves in thing with a concentration equipment.
Described leading portion sieve aperture is microscler aspect, first sieve aperture and the rounded aspect of second sieve aperture.
The default bore of described leading portion sieve aperture is that the default bore of 4~8mm, first sieve aperture is that the default bore of 20~60mm, second sieve aperture is 80~135mm.
Described this leading portion treatment step comprises that more leading portion sieve is from the thing separating step, the leading portion sieve is after thing falls into this leading portion conveying tank, by current it is imported a rotational flow sand sinking device and carry out the sand setting separation, again current are imported a leading portion barrier apparatus and exclude collection floating thing and floating material, collect suspended organic matter in the water through a leading portion air-floating apparatus again;
This first treatment step comprises that more one first sieve is from thing separating step and one first residues selection by winnowing step, sieve in the thing separating step in first, first sieve is after thing falls into the first conveying tank, by current first sieve is imported one first spiral-flow tank from thing, this first spiral-flow tank utilizes eddy flow to carry out separating of weight material with buoyancy, make proportion greater than the electrodeposition substance of water to first spiral-flow tank bottom, the material that will be deposited on first spiral-flow tank bottom by one first screw device is delivered to a weight conveyer belt, and carry out the magnetic separation treatment step with this concentration equipment, this concentration equipment is across weight conveyer belt top and collects magnetic metal and it is recycled to a metal recovery section, the weight of magnetic of the not having weight recovery area that then leads, proportion is collected with the organic matter that carries out floating thing and floating material in the water surface of first spiral-flow tank less than the material floats of water; In the first residues selection by winnowing step, with this first against the wind conveyer belt apparatus first residues is carried out selection by winnowing, make the lighter material sieve of weight to a light thing recovery area, the heavier material of weight is sent into one second separator;
This second treatment step comprises that more one second sieve is from thing separating step and one second residues selection by winnowing step, sieve in the thing separating step in second, second sieve imports one second spiral-flow tank with second sieve from thing by current after thing falls into the second conveying tank, this second spiral-flow tank utilizes eddy flow to carry out separating of weight material with buoyancy, make proportion greater than the electrodeposition substance of water to second spiral-flow tank bottom, the material that will be deposited on second spiral-flow tank bottom by one second screw device is delivered to this weight conveyer belt, and carry out the magnetic separation treatment step with this concentration equipment, collect magnetic metal and it is recycled to metal recovery section by this weight conveyer belt top, the weight of magnetic of the not having aforementioned weight recovery area that then leads, proportion less than the material floats of water in the water surface of second spiral-flow tank, and import a grid band of accepting second spiral-flow tank, can drain to the 3rd of grid band below less than the material of the grid of grid band and carry tank, the material that will drain to grid band below by current imports second barrier apparatus collection floating thing and floating material, and greater than the material of the grid of grid band be sent to one the 3rd against the wind conveyer belt apparatus carry out a back segment selection by winnowing step with one the 4th contrary wind conveyer belt apparatus, sieve from extremely light thing recovery area with the 3rd material that conveyer belt apparatus is lighter with weight against the wind, the heavier material of weight is sent into material sieve once more that weight is lighter in the 4th contrary wind conveyer belt apparatus again to light thing recovery area, remains than heavy substance and is then sent to the foreign material recovery area by the 4th contrary wind conveyer belt apparatus; In the second residues selection by winnowing step, with the second contrary wind conveying device second residues is carried out selection by winnowing, make the lighter material sieve of weight from sending into a foreign material recovery area to light thing recovery area, the heavier material of weight.
Described first sieve is sent to one first barrier apparatus with proportion less than the material of water with current and collects with the organic matter that carries out floating thing and floating material in the thing separating step.
Aforementioned domestic garbage resources material extracting method can realize that it comprises a charging and storing platform by domestic garbage resources material extraction system provided by the present invention, compiles for house refuse and stores; One broken bag device is in order to will be by the rubbish of wrappage parcel, by separating in the wrappage; One leading portion separator has a plurality of leading portion sieve apertures, with material is sieved from; One leading portion is carried tank, fall into for material less than the leading portion sieve aperture, to import a rotational flow sand sinking device less than the material of leading portion sieve aperture by current and carry out the sand setting separation, again current are imported a leading portion barrier apparatus and exclude collection floating thing and floating material, collect suspended organic matter in the water through a leading portion air-floating apparatus again; One leading portion conveyer belt is connected in the leading portion separator to carry the material greater than the leading portion sieve aperture; One first separator is connected in the leading portion conveyer belt and has a plurality of first sieve apertures, after staying, send into greater than the material of leading portion sieve aperture sieve, and with first sieve aperture to material sieve from, this first sieve aperture is greater than aforementioned leading portion sieve aperture; One first carries tank, be positioned at the below of first separator, fall into for material less than first sieve aperture, to import one first spiral-flow tank less than the material of first sieve aperture by current, this first spiral-flow tank utilizes eddy flow and buoyancy to carry out gently, the separation of heavy substance, make proportion greater than the electrodeposition substance of water to first spiral-flow tank bottom, the material that will be deposited on first spiral-flow tank bottom by one first screw device is delivered to a weight conveyer belt, being across weight conveyer belt top with a concentration equipment collects magnetic metal and it is recycled to a metal recovery section, the weight of magnetic of the not having weight recovery area that then leads, proportion less than the material floats of water in the water surface of first spiral-flow tank to carry out the collection of floating thing and floating material; One first conveyer belt apparatus against the wind, be connected in first separator with carry and selection by winnowing greater than the material of first sieve aperture, make the lighter material sieve of weight to a light thing recovery area; One second separator, be connected in the first contrary wind conveyer belt apparatus and have a plurality of second sieve apertures, for aforementioned first against the wind the conveyer belt apparatus sieve stay weight heavier material in back to send into, and with second sieve aperture to material sieve from, this second sieve aperture is greater than aforementioned first sieve aperture; One second carries tank, be positioned at the below of second separator, fall into for material less than second sieve aperture, to import one second spiral-flow tank less than the material of second sieve aperture by current, this second spiral-flow tank utilizes eddy flow to carry out separating of weight rubbish with buoyancy, make proportion greater than the electrodeposition substance of water to second spiral-flow tank bottom, the material that will be deposited on second spiral-flow tank bottom by one second screw device is delivered to aforementioned weight conveyer belt, collect magnetic metal and it is recycled to the aforementioned metal recovery area by the concentration equipment that is across weight conveyer belt top, the weight of magnetic of the not having aforementioned weight recovery area that then leads, proportion is collected with the organic matter that carries out floating thing and floating material in the water surface of second spiral-flow tank less than the material floats of water; And one second conveyer belt apparatus against the wind, be connected in second separator with carry and selection by winnowing greater than the material of second sieve aperture, the material sieve that weight is lighter to aforementioned light thing recovery area, the heavier material of weight sends into a foreign material recovery area.
Described leading portion sieve aperture is microscler aspect, first sieve aperture and the rounded aspect of second sieve aperture.
Described domestic garbage resources material extraction system further comprises first barrier apparatus that is undertaken in first spiral-flow tank, with current the material of proportion less than water is imported in first barrier apparatus to carry out the collection of floating thing and floating material.
Described domestic garbage resources material extraction system further comprises a grid band that is undertaken in second spiral-flow tank, for proportion import less than the material of water and with grid to material sieve from; One is arranged on the 3rd of grid band below carries tank, will drain to grid band below the 3rd by current and carry the material of tank to import one second barrier apparatus to carry out the collection of floating thing and floating material; One back segment pneumatic separation device, comprise one the 3rd contrary wind conveyer belt apparatus and the 4th conveyer belt apparatus against the wind, the 3rd contrary wind conveyer belt apparatus is sent into after staying for the material sieve greater than grid, the material sieve that weight is lighter is from extremely light thing recovery area, the 4th contrary wind conveyer belt apparatus is sent into for heavier material after staying through the 3rd contrary wind conveyer belt apparatus sieve, and the material that wherein wt is lighter sieves from extremely light thing recovery area, and makes the residue foreign material deliver to the foreign material recovery area.
The default bore of described leading portion sieve aperture is that the default bore of 4~8mm, first sieve aperture is that the default bore of 20~60mm, second sieve aperture is 80~135mm.
Compared to prior art, beneficial effect of the present invention is to provide a kind of thinking pattern that is different from present stage house refuse separation, by the classification means such as rising and falling in screening, selection by winnowing, the water, make various materials in the house refuse according to the characteristic of its different sizes, weight, proportion and automatically classification reclaim proposition, effectively reaching the purpose that fast categorized consumer waste is reclaimed, and has the effect of high efficiency and high accuracy.
Description of drawings
Fig. 1 is a program schematic diagram of the present invention;
Fig. 2 A is a system architecture schematic diagram of the present invention;
Fig. 2 B is a system of the present invention sectional perspective outside drawing;
Fig. 3 A is a leading portion separator front view of the present invention;
Fig. 3 B is a leading portion separator side view cutaway drawing of the present invention;
Fig. 3 C is the local front cross-section view of leading portion separator of the present invention;
Fig. 4 A is the present invention's first separator front view;
Fig. 4 B is the present invention's first separator side view cutaway drawing;
Fig. 4 C is the present invention's second separator and follow-up linking structural scheme of mechanism;
Fig. 5 is the present invention's first spiral-flow tank cross-sectional schematic;
Fig. 6 A is the present invention's first contrary wind conveyer belt apparatus stereo appearance figure;
Fig. 6 B removes fan housing assembly schematic diagram for the present invention's first contrary wind conveyer belt apparatus;
Fig. 7 A is a barrier apparatus front view of the present invention;
Fig. 7 B is a barrier apparatus schematic side view of the present invention.
The specific embodiment
Following according to the technological means that summary of the invention disclosed, enumerate be suitable for embodiments of the present invention and cooperate graphic explanation as the back:
See also Fig. 1 and Fig. 2 A, shown in Fig. 2 B, domestic garbage resources material extracting method of the present invention comprises storing and broken bag step 100 and leading portion treatment step 200, the leading portion sieve is from thing separating step 210, first treatment step 300, first sieve is from thing separating step 310, the first residues selection by winnowing step 320, second treatment step 400, second sieve is from thing separating step 410, the second residues selection by winnowing step 420, magnetic separation step 500 and back segment selection by winnowing step 600, and in each step, cooperate rotational flow separation, magnetic separation, processes such as selection by winnowing, house refuse is repeatedly screened, selection by winnowing, rise and fall in the water, classification such as magnetic separation, make in the house refuse various materials according to its different sizes, weight, proportion, the characteristic of magnetic and sort out organic matter automatically, metal object, weight, light thing, reclaim the carrying out of operation in order to do profit, and when leading portion treatment step 200, sewage of being carried secretly in the rubbish and pollutant can tentatively be washed out, and after the sewage disposal means with the water resource cycling and reutilization.
Please consult simultaneously shown in Fig. 2 A, Fig. 2 B, Fig. 3 A, Fig. 3 B, Fig. 3 C, at first, undressed house refuse is come together in charging and storing platform 10, and the usefulness for vehicle, the facility of house refuse delivery are toppled over and promoted, divide into groups, pave is sent to a broken bag device 12 with a feeding web 11 with rubbish again.Broken bag device 12 has the hammer cutter (not shown) of meeting hard bendable can automatic broken bulk organic matter, and it is minimum that the inorganic matter percentage of damage is dropped to, in order to separation.House refuse is sent into broken bag device 12 and is carried out broken bag and handle, and makes by the rubbish of wrappage parcel by separating in the wrappage, and with a broken bag conveyer belt 13 rubbish is sent to a leading portion separator 20;
Described leading portion separator 20 is connected in broken bag conveyer belt 13, and in the below one leading portion conveying tank 21 is set.Leading portion separator 20 has a leading portion hollow cylinder 22, leading portion hollow cylinder 22 inner a part of inner peripheral surfaces are provided with the pointed body 23 of most garbage bag breakings of some one-tenth row arrangement and prevent most rubbish guide body 23A that the rubbish operation is blocked, rubbish can be held up a high position and fall again and it is better disperseed and drop, with further to as yet not broken bag wrap up the smooth broken bag of rubbish completely and handle.
Also be provided with some leading portion sieve apertures 221 on the stack shell of leading portion hollow cylinder 22, separate class to sieve by 221 pairs of materials of leading portion sieve aperture, the default bore of leading portion sieve aperture 221 is 4~8mm, with 6mm is good, because the waste density in the leading portion separator 20 is bigger, this leading portion sieve aperture 221 is microscler aspect during enforcement, to reduce the probability that may stop up to bottom line.Leading portion sieve aperture 221 on leading portion separator 20 corresponding hollow cylinder 22 stack shells is provided with hairbrush 222, hairbrush 222 has rigid bristle, in order to brushing from leading portion sieve aperture 221, further reduce the probability that leading portion sieve aperture 221 stops up in sieving the material of in process, blocking leading portion sieve aperture 221.
Leading portion residues greater than leading portion sieve aperture 221 in the rubbish is sent into one first separator 30 by a leading portion conveyer belt 24; Leading portion sieve less than leading portion sieve aperture 221 is carried in the tank 21 from the leading portion that thing falls into leading portion separator 20 belows, and will import a rotational flow sand sinking device 25 less than the material of leading portion sieve aperture 221 by current and carry out sand setting and separate, again current are imported a leading portion barrier apparatus 26 and exclude collection floating thing and floating material, collect suspended organic matter 802 in the water through a leading portion air-floating apparatus 27 again.
Leading portion separator 20 peripheries are provided with most collar flanges 28, give the roller support by the paired running roller 29 of majority (or pulley) respectively, driven by motor 291, and low small angle of inclination (about 1-5 degree), high back feature before leading portion separator 20 is had,, when rolling, can transfer toward the rear end by front end automatically and be handled leading portion hollow cylinder 22 in order to do rubbish by smooth broken bag.
Please consult simultaneously shown in Fig. 2 A, Fig. 2 B, Fig. 4 A, Fig. 4 B, first separator 30 is sent into for the leading portion residues, and is provided with the first conveying tank 31 in the below.First separator 30 has one first hollow cylinder 301, also be provided with some first sieve apertures 302 on the stack shell of first hollow cylinder 301, with sieve by 302 pairs of materials of first sieve aperture from, the default bore of first sieve aperture 302 is 20~60mm, with 50mm is good, and this first sieve aperture 302 is circular aspect during enforcement.
Send into one first contrary wind conveyer belt apparatus 32 greater than first residues of first sieve aperture 302; Sieve in thing falls into one first set conveying tank 31 of first separator, 30 belows less than first of first sieve aperture 302;
About the structure of first hollow cylinder 301 and the difference of above-mentioned leading portion hollow cylinder 22 more are provided with pointed body 23 of garbage bag breaking and rubbish guide body 23A at leading portion hollow cylinder 22, all the other structures are all identical, and relevant explanation is omitted.See also Fig. 2 A, Fig. 2 B, Fig. 4 A, shown in Figure 5, first sieve is after thing falls into the first set conveying tank 31 of first separator, 30 belows, by current first sieve is imported one first spiral-flow tank 311 from thing, this first spiral-flow tank 311 utilizes eddy flow to carry out separating of weight rubbish with buoyancy, make proportion greater than the electrodeposition substance of water to first spiral-flow tank, 311 bottoms, the material that will be deposited on first spiral-flow tank, 311 bottoms by one first screw device 312 is delivered to a weight conveyer belt 313, be across weight conveyer belt 313 tops with a concentration equipment 50 and collect magnetic metal, and it is recycled to a metal recovery section 803, the weight of magnetic of the not having weight recovery area 804 that then leads.
And proportion less than the material floats of water in the water surface of first spiral-flow tank 311, first spiral-flow tank, 311 downstreams are provided with one first barrier apparatus, 315 first barrier apparatus 315, with current proportion are imported in first barrier apparatus, 315 first barrier apparatus 315 less than the material of water and collect with the organic matter 802 that carries out floating thing and floating material.
See also Fig. 2 A and Fig. 6 A, shown in Fig. 6 B, first residues is sent into the first contrary wind conveyer belt apparatus 32, the material that weight is lighter (for example: the flexible glue bag, flat packages etc.) sieve is to a light thing recovery area 805, it mainly is to utilize the contrary wind opposite with throughput direction to come the light thing of selection by winnowing, and make lighter material can be blown recovery, shown in this embodiment first conveyer belt apparatus 32 against the wind comprises a feeding belt 321, one short conveying belt 322, one is positioned at the following conveyer belt 323 of short conveying belt 322 belows, one be connected in short conveying belt 322 downstreams go out strip 324, wherein short conveying belt 322 falls within down conveyer belt 323 for weight than heavy substance with feeding belt 321 maintenances one spacing and is delivered to second separator 40, be provided with a blower fan 325 in feeding belt 321 belows towards this spacing blowing, after making material as the light as flat flexible glue bag of weight fall within short conveying belt 322 because of contrary wind upwards blows afloat, derive by going out strip 324, during enforcement in first against the wind conveyer belt apparatus 32 be covered with a fan housing assembly 326 and think and make that effect is more remarkable against the wind.
Please consult simultaneously shown in Fig. 2 A and Fig. 4 A, Fig. 4 B, the heavier material of weight is sent in second separator 40 after the first contrary wind conveyer belt apparatus, 32 sieves stay, owing to structure and the operation principles all identical person of second separator 40 with first separator 30, therefore for simplicity of illustration and for the purpose of illustrating, still shown in Fig. 4 A, Fig. 4 B, carry out the member explanation that indicates in the bracket.
Tank 41 is carried in second of these second separator, 40 belows, and has one second hollow cylinder 401.Also be provided with some second sieve apertures 402 on the stack shell of second hollow cylinder 401, with sieve by 402 pairs of materials of second sieve aperture from, the default bore of second sieve aperture 402 is 80~135mm, with 120mm is good, because the default bore of second sieve aperture 402 does not more have blocking problem, therefore also can adopt the aspect of circular hole to implement when only implementing.Send into one second contrary wind conveyer belt apparatus 42 greater than second residues of second sieve aperture 402, sieve in thing falls into one second set conveying tank 41 of below less than second of second sieve aperture 402.
See also Fig. 2 A, Fig. 2 B, Fig. 4 C and shown in Figure 5, after second separator 40 is handled, second carries tank 41 to fall into from thing for second sieve, and by current with second the sieve import one second spiral-flow tank 411 from thing, because the structure and all identical person of operation principles of second spiral-flow tank 411 and first spiral-flow tank 311, so still carry out the member explanation that indicates in the bracket by shown in Figure 5.
The sharp 511 usefulness eddy flows of this second spiral-flow tank carry out separating of weight rubbish with buoyancy, make proportion greater than the electrodeposition substance of water to second spiral-flow tank, 411 bottoms, the material that will be deposited on second spiral-flow tank, 411 bottoms by one second screw device 412 is delivered to aforementioned weight conveyer belt 313, concentration equipment 50 is across weight conveyer belt 313 tops and collects magnetic metal, and it is recycled to aforementioned metal recovery area 803, the weight of magnetic of the not having aforementioned weight recovery area 804 that then leads.
And proportion less than the material floats of water in the water surface of second spiral-flow tank 411, second spiral-flow tank, 411 downstreams are accepted a grid band 413 are set, for proportion import less than the material of water and with grid to material sieve from; Grid band 413 belows are provided with one the 3rd and carry tank 414, make will drain to grid band 413 belows the 3rd by current and carry the material of tank 414 to import the organic matter 802 that one second barrier apparatus 415 carries out floating thing and floating material to collect.
Send into a back segment pneumatic separation device 60 after staying greater than the material sieve of the grid of grid band 413, back segment pneumatic separation device 60 comprises one the 3rd conveyer belt apparatus 61 and one the 4th contrary wind conveyer belt apparatus 62 against the wind.The 3rd conveyer belt apparatus 61 against the wind, the material sieve of weight is light as flat flexible glue bag is to light thing recovery area 805; Heavier material was sent into one the 4th contrary wind conveyer belt apparatus 62 after the 3rd contrary wind conveyer belt apparatus 61 sieves stayed, and wherein wt is gently sieved from extremely light thing recovery area 805 as the material of flat flexible glue bag, and make the residue foreign material deliver to foreign material recovery area 801, when implementing, can also further sieve and pick up, reclaim will mix in organic matter 802 wherein to these.
By can find out among Fig. 4 C second separator 40 sieve from material, be to carry out proportion in the conveying of second below falling into earlier tank 41 back inflows second spiral-flow tank 411 to separate, and proportion be lighter than the suspended solid of water can be by second spiral-flow tank, 411 overhead stream to grid band 413, grid band 413 is to adopt the transmission means that is tilted to, make the material on the grid band 413 upwards be transported to the 3rd contrary wind conveyer belt apparatus 61, and the 4th contrary wind conveyer belt apparatus 62 is undertaken in the weight blanking position of the 3rd contrary wind conveyer belt apparatus 61 belows, and its relevant feeding belt 611 also is to adopt the transmission means that is tilted to.
And after second separator 40 is handled, second residues greater than second sieve aperture 402 can be admitted to one second contrary wind conveyer belt apparatus 42, because the second against the wind conveyer belt apparatus 42 and first structure and all identical person of operation principles of conveyer belt apparatus 32 against the wind, therefore by simplicity of illustration and for the purpose of illustrating still by carrying out being indicated in the bracket member explanation shown in Fig. 6 A, Fig. 6 B.
Second residues by second against the wind conveyer belt apparatus 42 utilize the contrary wind opposite so that weight is gently sieved to a light thing recovery area 805 as the material of flat flexible glue bag with throughput direction, shown in this embodiment second conveyer belt apparatus 42 against the wind comprises a feeding belt 421, one short conveying belt 422, one is positioned at the following conveyer belt 423 of short conveying belt 422 belows, one be connected in short conveying belt 422 downstreams go out strip 424, wherein short conveying belt 422 falls within down conveyer belt 423 for weight than heavy substance with feeding belt 421 maintenances one spacing and is delivered to foreign material recovery area 801, be provided with a blower fan 425 in feeding belt 421 belows towards this spacing blowing, after making the lighter material of weight fall within short conveying belt 422 because of contrary wind upwards blows afloat, derive by going out strip 424, during enforcement in second against the wind conveyer belt apparatus 42 be covered with a fan housing assembly 426 and think and make that effect is more remarkable against the wind.
See also shown in Fig. 7 A, Fig. 7 B, barrier apparatus such as aforementioned leading portion barrier apparatus 26, first barrier apparatus 315, second barrier apparatus 415, the all identical person of its structure and operation principles, so with the 26 representative explanations of leading portion barrier apparatus, this leading portion barrier apparatus 26 has some aperture plates 261 and nets the drive device 262 of filter action in order to drive aperture plate 261, collect floating thing and floating material and be used for excluding, and floating thing and the floating material person of comprising mostly are organic matter greatly, therefore can be used in the recovery of carrying out organic matter 802.
In sum, the present invention provides about domestic garbage resources material extracting method and system, it mainly is to utilize a plurality of automation equipments to come in regular turn house refuse repeatedly to be screened, selection by winnowing, rise and fall in the water, classification such as magnetic separation, make in the house refuse various materials according to its different sizes, weight, proportion, the characteristic of magnetic and automatically classification reclaim, for example make and to be divided into foreign material (flammable foreign material) in the house refuse, organic matter (comprises that the kitchen is surplus, melon and fruit peel, organic matter swims, suspended organic matter etc.), weight (comprises sand, stone, brick, glass, inorganic heavy foreign material such as pottery), the magnetic metal thing, light thing five big classes such as (flat flexible glue bags), to sort out good material by attribute then and carry out follow-up resource recovery, the decomposition of house refuse composition is finally finished in regeneration and other resource and harmless treatment, the purpose that decrement and secondary utilize.Before take off the specific embodiment and graphic only for illustrating the realization embodiments of the invention, only this embodiment is not in order to limit claim of the present invention, such as do not break away from equivalent method and device that spirit of the present invention is done, all should belong to and including in claim category of the present invention.

Claims (10)

1. domestic garbage resources material extracting method is characterized in that this method comprises:
Step 1: storing and broken bag step (100), after with a feeding web (11) house refuse being sent into a broken bag device (12), carrying out broken bag by this broken bag device (12) handles, make part by the rubbish of wrappage parcel by separating in the wrappage, and rubbish is sent to a leading portion separator (20) with a broken bag conveyer belt (13);
Step 2: leading portion treatment step (200), this leading portion separator (20) is provided with a plurality of leading portion sieve apertures (221), leading portion residues greater than leading portion sieve aperture (221) in the rubbish is sent into one first separator (30) by a leading portion conveyer belt (24), carries in the tank (21) less than leading portion sieve set leading portion below thing falls into this leading portion separator (20) of leading portion sieve aperture (221);
Step 3: first treatment step (300), this first separator (30) is provided with a plurality of first sieve apertures (302), this first sieve aperture (302) is greater than leading portion sieve aperture (221), and the first residues warp let-off one first greater than first sieve aperture (302) enters one second separator (40) behind the conveyer belt apparatus (32) against the wind, sieves in thing falls into one first set conveying tank (31) of first separator (30) below less than first of first sieve aperture (302);
Step 4: second treatment step (400), second separator (40) is provided with a plurality of second sieve apertures (402), this second sieve aperture (402) is greater than first sieve aperture (302), and send into one second contrary wind conveyer belt apparatus (42) greater than second residues of second sieve aperture (402), sieve in thing falls into one second set conveying tank (41) of below less than second of second sieve aperture (402);
Step 5: magnetic separation treatment step (500), collect first sieve from the thing and second magnetic metal that sieves in thing with a concentration equipment (50).
2. domestic garbage resources material extracting method according to claim 1 is characterized in that: leading portion sieve aperture (221) is microscler aspect, first sieve aperture (302) and the rounded aspect of second sieve aperture (402).
3. domestic garbage resources material extracting method according to claim 1 is characterized in that: the default bore of leading portion sieve aperture (221) is that the default bore of 4~8mm, first sieve aperture (302) is that the default bore of 20~60mm, second sieve aperture (402) is 80~135mm.
4. domestic garbage resources material extracting method according to claim 1, it is characterized in that: this leading portion treatment step (200) comprises that more leading portion sieve is from thing separating step (210), the leading portion sieve is after thing falls into this leading portion conveying tank (21), by current it is imported a rotational flow sand sinking device (25) and carry out the sand setting separation, again current are imported a leading portion barrier apparatus (26) and exclude collection floating thing and floating material, collect suspended organic matter in the water through a leading portion air-floating apparatus (27) again;
This first treatment step (300) comprises that more one first sieve is from thing separating step (310) and one first residues selection by winnowing step (320), sieve in thing separating step (310) in first, first sieve is after thing falls into the first conveying tank (31), by current first sieve is imported one first spiral-flow tank (311) from thing, this first spiral-flow tank (311) utilizes eddy flow to carry out separating of weight material with buoyancy, make proportion greater than the electrodeposition substance of water to first spiral-flow tank (311) bottom, the material that will be deposited on first spiral-flow tank (311) bottom by one first screw device (312) is delivered to a weight conveyer belt (313), and carry out magnetic separation treatment step (500) with this concentration equipment (50), this concentration equipment (50) is across weight conveyer belt (313) top and collects magnetic metal and it is recycled to a metal recovery section (803), the weight of magnetic of the not having weight recovery area (804) that then leads, proportion is collected with the organic matter that carries out floating thing and floating material in the water surface of first spiral-flow tank (311) less than the material floats of water; In the first residues selection by winnowing step (320), with this first against the wind conveyer belt apparatus (32) first residues is carried out selection by winnowing, make the lighter material sieve of weight to a light thing recovery area (805), the heavier material of weight is sent into one second separator (40);
This second treatment step (400) comprises that more one second sieve is from thing separating step (410) and one second residues selection by winnowing step (420), sieve in thing separating step (410) in second, second sieve falls into second from thing and carries tank (41) back by current second sieve to be imported one second spiral-flow tank (411) from thing, this second spiral-flow tank (411) utilizes eddy flow to carry out separating of weight material with buoyancy, make proportion greater than the electrodeposition substance of water to second spiral-flow tank (411) bottom, the material that will be deposited on second spiral-flow tank (411) bottom by one second screw device (413) is delivered to this weight conveyer belt (313), and carry out magnetic separation treatment step (500) with this concentration equipment (50), collect magnetic metal and it is recycled to metal recovery section (803) by this weight conveyer belt (313) top, the weight of magnetic of the not having aforementioned weight recovery area (804) that then leads, proportion less than the material floats of water in the water surface of second spiral-flow tank (411), and import a grid band (413) of accepting second spiral-flow tank (411), can drain to the 3rd of grid band (413) below less than the material of the grid of grid band (413) and carry tank (414), the material that will drain to grid band (413) below by current imports second barrier apparatus (415) collection floating thing and floating material, and greater than the material of the grid of grid band (413) be sent to one the 3rd against the wind conveyer belt apparatus (61) with one the 4th against the wind conveyer belt apparatus (62) carry out a back segment selection by winnowing step (600), sieve from extremely light thing recovery area (805) with the 3rd material that conveyer belt apparatus (61) is lighter with weight against the wind, the heavier material of weight is sent into material sieve once more that weight is lighter in the 4th contrary wind conveyer belt apparatus (62) again to light thing recovery area (805), remains than heavy substance and is then sent to foreign material recovery area (801) by the 4th contrary wind conveyer belt apparatus (62); In the second residues selection by winnowing step (420), with the second contrary wind conveying device (42) second residues is carried out selection by winnowing, make the lighter material sieve of weight from sending into a foreign material recovery area (801) to light thing recovery area (805), the heavier material of weight.
5. domestic garbage resources material extracting method according to claim 4 is characterized in that: first sieve is sent to one first barrier apparatus (315) with proportion less than the material of water with current and collects with the organic matter (802) that carries out floating thing and floating material in thing separating step (310).
6. domestic garbage resources material extraction system is characterized in that this system comprises:
One charging and storing platform (10) compile for house refuse and to store;
One broken bag device (12) is in order to will be by the rubbish of wrappage parcel, by separating in the wrappage;
One leading portion separator (20) has a plurality of leading portion sieve apertures (221), with material is sieved from;
One leading portion is carried tank (21), fall into for material less than leading portion sieve aperture (221), to import a rotational flow sand sinking device (25) less than the material of leading portion sieve aperture (221) by current and carry out the sand setting separation, again current are imported a leading portion barrier apparatus (26) and exclude collection floating thing and floating material, collect suspended organic matter in the water through a leading portion air-floating apparatus (27) again;
One leading portion conveyer belt (24) is connected in leading portion separator (20) to carry the material greater than leading portion sieve aperture (221);
One first separator (30), be connected in leading portion conveyer belt (24) and have a plurality of first sieve apertures (302), after staying, send into greater than the material of leading portion sieve aperture (221) sieve, and with first sieve aperture (302) to material sieve from, this first sieve aperture (302) is greater than aforementioned leading portion sieve aperture (221);
One first carries tank (31), be positioned at the below of first separator (30), fall into for material less than first sieve aperture (302), to import one first spiral-flow tank (311) less than the material of first sieve aperture (302) by current, this first spiral-flow tank (311) utilizes eddy flow and buoyancy to carry out gently, the separation of heavy substance, make proportion greater than the electrodeposition substance of water to first spiral-flow tank (311) bottom, the material that will be deposited on first spiral-flow tank (311) bottom by one first screw device (312) is delivered to a weight conveyer belt (313), being across weight conveyer belt (313) top with a concentration equipment (50) collects magnetic metal and it is recycled to a metal recovery section (803), the weight of magnetic of the not having weight recovery area (804) that then leads, proportion less than the material floats of water in the water surface of first spiral-flow tank (311) to carry out the collection of floating thing and floating material;
One first conveyer belt apparatus (32) against the wind, be connected in first separator (30) with carry and selection by winnowing greater than the material of first sieve aperture (302), make the lighter material sieve of weight to a light thing recovery area (805);
One second separator (40), be connected in the first contrary wind conveyer belt apparatus (32) and have a plurality of second sieve apertures (402), the heavier material of weight was sent into after conveyer belt apparatus (32) sieve stayed against the wind for aforementioned first, and with second sieve aperture (402) to material sieve from, this second sieve aperture (402) is greater than aforementioned first sieve aperture (302);
One second carries tank (41), be positioned at the below of second separator (40), fall into for material less than second sieve aperture (402), to import one second spiral-flow tank (411) less than the material of second sieve aperture (402) by current, this second spiral-flow tank (411) utilizes eddy flow to carry out separating of weight rubbish with buoyancy, make proportion greater than the electrodeposition substance of water to second spiral-flow tank (411) bottom, the material that will be deposited on second spiral-flow tank (411) bottom by one second screw device (412) is delivered to aforementioned weight conveyer belt (313), collect magnetic metal and it is recycled to aforementioned metal recovery area (803) by the concentration equipment (50) that is across weight conveyer belt (313) top, the weight of magnetic of the not having aforementioned weight recovery area (804) that then leads, proportion is collected with the organic matter that carries out floating thing and floating material in the water surface of second spiral-flow tank (411) less than the material floats of water; And
One second contrary wind conveyer belt apparatus (42), be connected in second separator (40) with carry and selection by winnowing greater than the material of second sieve aperture (402), the material sieve that weight is lighter to aforementioned light thing recovery area (805), the heavier material of weight sends into a foreign material recovery area (801).
7. domestic garbage resources material extraction system according to claim 6 is characterized in that: leading portion sieve aperture (221) is microscler aspect, first sieve aperture (302) and the rounded aspect of second sieve aperture (402).
8. domestic garbage resources material extraction system according to claim 6, it is characterized in that: it further comprises first barrier apparatus (315) that is undertaken in first spiral-flow tank (311), with current the material of proportion less than water is imported in first barrier apparatus (315) to carry out the collection of floating thing and floating material.
9. domestic garbage resources material extraction system according to claim 6 is characterized in that: it further comprises a grid band (413) that is undertaken in second spiral-flow tank (411), for proportion import less than the material of water and with grid to material sieve from; One is arranged on the 3rd of grid band (413) below carries tank (414), will drain to grid band (413) below the 3rd by current and carry the material of tank (414) to import one second barrier apparatus (415) to carry out the collection of floating thing and floating material; One back segment pneumatic separation device (70), comprise one the 3rd contrary wind conveyer belt apparatus (61) and one the 4th contrary wind conveyer belt apparatus (62), the 3rd contrary wind conveyer belt apparatus (61) is sent into after staying for the material sieve greater than grid, the material sieve that weight is lighter is from extremely light thing recovery area (805), the 4th contrary wind conveyer belt apparatus (62) is sent into for heavier material after staying through the 3rd contrary wind conveyer belt apparatus (61) sieve, and the material that wherein wt is lighter sieves from extremely light thing recovery area (805), and makes the residue foreign material deliver to foreign material recovery area (801).
10. domestic garbage resources material extraction system according to claim 6 is characterized in that: the default bore of leading portion sieve aperture (221) is that the default bore of 4~8mm, first sieve aperture (302) is that the default bore of 20~60mm, second sieve aperture (402) is 80~135mm.
CN 200910261688 2009-12-24 2009-12-24 Method and system for extracting resource material from domestic waste Expired - Fee Related CN102107207B (en)

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CN103071582B (en) * 2013-01-22 2015-07-22 吴劲松 Garbage water classification system
CN103263974B (en) * 2013-03-06 2015-09-16 吴劲松 A kind of refuse moisture class process automation control system
CN103894394B (en) * 2014-03-24 2017-03-01 陈雄晖 Solar energy community's life refuse classification treating stations
CN109719112B (en) * 2018-08-03 2023-09-08 葛洲坝中材洁新(武汉)科技有限公司 System for cooperatively disposing household garbage by utilizing cement line
CN112705462A (en) * 2020-12-10 2021-04-27 李嘉豪 Garbage sorting machine with separation effect monitoring function

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