CN210171946U - Complete equipment for sorting and recovering domestic solid garbage - Google Patents

Abstract

The utility model discloses a complete set of equipment for sorting and recovering domestic solid garbage, which comprises a bag breaking, plastic selecting and iron selecting integrated machine, a multifunctional sieving machine and a specific gravity sorting machine; the bag breaking, plastic selecting and iron selecting integrated machine comprises a storage bin, wherein the storage bin is obliquely arranged relative to a horizontal plane, and a bag breaking mechanism, a plastic selecting mechanism and an iron selecting mechanism are sequentially arranged along the storage bin from top to bottom; the bag breaking mechanism comprises a plurality of movable cutters, a plurality of movable cutter rollers and a plurality of fixed cutters, wherein the plurality of movable cutters are transversely arranged and arranged in the storage bin; a plurality of fixed cutters are correspondingly and transversely arranged and are arranged on a side plate at one side of the storage bin; the plastic selecting mechanism comprises a blowpipe, a negative pressure air draft nozzle, a material raising poking roller and a plastic pumping baffle, the blowpipe and the negative pressure air draft nozzle are correspondingly arranged on two sides of the storage bin, and the blowpipe is located below the side of the negative pressure air draft nozzle. The utility model discloses select separately domestic solid waste becomes more meticulous, with a large amount of metals in the rubbish, waste plastics recycle, the thing carries out biological fermentation production fertilizer under the screen, and harmful waste selects separately recovery processing alone in the rubbish, and is economic high-efficient, and changing waste into valuables does benefit to resource saving and environmental protection.

Description

Complete equipment for sorting and recovering domestic solid garbage

Technical Field

The utility model relates to a domestic solid waste recovery processing technique especially relates to a domestic solid waste selects separately to retrieve complete sets.

Background

The domestic solid garbage contains a large amount of organic wastes, causes public nuisance to the world, and causes serious atmospheric pollution and water quality pollution to social environment, thereby leading people to be well-known all over the world. Due to various differences of different living standards, different technological levels, different thought consciousness and the like of people of various countries, the treatment modes and the process technology of the domestic solid waste are greatly different, the emerging industry does not have mature and shaped scientific and advanced production process and supporting facilities, particularly the domestic process technology is in the laggard level, and the industry successively undergoes the process methods of incineration, carbonization, separation and the like. The prior advanced separation process also belongs to a rough separation process method, and the waste separation is lack of scientificity and rationality, such as: the process methods have great hidden danger and cause great environmental pollution to land, water sources and atmosphere. Therefore, in order to overcome the technical defects of the existing domestic solid waste sorting treatment process, a domestic solid waste sorting and recycling production process is researched and designed, which is a technical problem to be solved urgently by technical personnel in the field.

Disclosure of Invention

The utility model discloses be not enough to prior art, provide a domestic solid waste and select separately recovery complete sets, select separately domestic solid waste to become more meticulous, with a large amount of metals in the rubbish, waste plastics recycle, the screen underflow thing carries out biological fermentation production fertilizer, selects separately recovery processing with harmful waste in the rubbish alone, and is economic high-efficient, and changing waste into valuables is favorable to resource saving and environmental protection.

The utility model adopts the technical proposal that:

designing complete equipment for sorting and recycling the domestic solid garbage, which comprises a bag breaking, plastic selecting and iron selecting integrated machine, a multifunctional sieving machine and a specific gravity sorting machine; the bag breaking, plastic selecting and iron selecting integrated machine comprises a storage bin, wherein the storage bin is obliquely arranged relative to a horizontal plane, and a bag breaking mechanism, a plastic selecting mechanism and an iron selecting mechanism are sequentially arranged along the storage bin from top to bottom; the bag breaking mechanism comprises a plurality of movable cutters, a plurality of movable cutter rollers and a plurality of fixed cutters, and the plurality of movable cutters are transversely arranged and arranged in the storage bin; a plurality of fixed cutters are transversely arranged corresponding to the movable cutters and are arranged on a side plate on one side of the storage bin; the plastic selecting mechanism comprises a blowing pipe, a negative pressure air suction nozzle and a material raising and stirring roller, the blowing pipe and the negative pressure air suction nozzle are correspondingly arranged on two sides of the storage bin, and the blowing pipe is positioned below the negative pressure air suction nozzle; the negative pressure air draft nozzle is obliquely arranged upwards relative to the side plate of the storage bin; a material raising poking roller is arranged above the side of the blowing pipe, and a plastic extracting baffle plate is connected to the inlet of the negative pressure air draft nozzle and extends obliquely downwards and is close to the blowing pipe; the iron selecting mechanism comprises an iron selecting magnetic roller, and the iron selecting magnetic roller is arranged on a side plate of the fixed cutter mounting side and is positioned below the side of the blowing pipe.

The complete equipment for sorting and recovering the domestic solid garbage comprises a multifunctional sieving machine, a box body and a cylindrical screen, wherein the screen is arranged in the box body; the feeding end of the screen is provided with a feeding hole and a feeding hopper, the bottom of the box body is provided with a discharging hole relative to the screen, the discharging end of the screen is obliquely downwards provided with a diversion trench, a parabolic roller is arranged above the side of the diversion trench, the tail end of the diversion trench is provided with a material crusher, and the discharging hole of the diversion trench is connected with the feeding hole of the material crusher; the multifunctional sieving machine is connected with the bag breaking, plastic selecting and iron selecting integrated machine through a spiral conveyer.

In the complete equipment for sorting and recovering the domestic solid garbage, the cylindrical screen is obliquely arranged downwards, and the feeding end of the cylindrical screen is higher than the discharging end of the cylindrical screen; the screen is composed of a plurality of sections, the mesh shape of the first section of screen is square or round, and other sections are rectangles; the mesh sizes between the sections are sequentially increased from front to back along the length direction of the screen; a plurality of discharge ports are correspondingly arranged relative to each section of screen mesh and are arranged in a straight line.

According to the complete equipment for sorting and recovering the domestic solid garbage, the bin is obliquely arranged relative to the horizontal plane, and the inclination angle is 30-60 degrees; the fixed cutter is correspondingly arranged on an inclined side plate at the bottom side of the storage bin, and the axis of the movable cutter rotating roller is deviated to the side plate at one side of the storage bin relative to the transverse central plane of the storage bin; meanwhile, a row of cutter protection flow distribution plates are arranged along the inner wall of the inclined bottom plate on the side where the fixed cutter is located in the forward direction, and the upper ends of the cutter protection flow distribution plates start from the feed inlet and extend downwards and are close to the fixed cutter; the knife protection splitter plate corresponds to the movable knife one by one, and the central plane of the knife protection splitter plate coincides with the plane of the rotating track of the corresponding movable knife.

The complete equipment for sorting and recycling the domestic solid garbage is characterized in that a multistage belt conveyor is arranged in a garbage storage workshop and is connected end to end, a plurality of mechanical arms are distributed along the belt conveyor, a quantitative feeder is arranged at the feeding end of the first-stage belt conveyor, the garbage is uniformly distributed on a parallel belt conveyor by the quantitative feeder, the mechanical arms sequentially sort out clothes, hard plastic and glass garbage in the conveying process, and the discharging end of the last-stage belt conveyor is correspondingly connected with an inlet of a bin of a bag breaking, plastic selecting and iron selecting integrated machine.

According to the domestic solid garbage sorting and recycling process corresponding to the domestic solid garbage sorting and recycling device, after relatively large clothes, hard plastics and glass are sequentially sorted out in a garbage storage workshop by a manipulator, the rest garbage enters an inclined bag-breaking plastic-sorting iron-sorting all-in-one machine, the garbage is in a throwing-falling shape when entering the all-in-one machine, and in the throwing-falling process, heavy objects such as bricks, stones, waste metals and glass bottles with large specific gravity fall to a close position firstly, light materials with small specific gravity fall to a far position later, and the heavy objects fall to an inclined bottom plate of the bag-breaking plastic-sorting iron-sorting all-in-one machine; the inclined bottom plate of the bag breaking, plastic selecting and iron selecting integrated machine is provided with a forward flow direction protection knife shunting device, when garbage flows downwards on an inclined plate, the garbage flows forward and is shunted by a protection knife, so that bricks and metals on the lower layer of a material layer avoid a bag breaking knife roller blade transfer track and a fixed knife which are arranged on the lower part and offset upwards from the center, the top end of the knife roller blade is 80-260 mm away from the bottom plate, the axial distance between the knife blades is 100-220 mm, when the garbage flows to the moment, bags, strips and long tree branches are scattered and flow downwards, the broken light plastic is lifted under the high-speed rotation action of the knife roller, the light plastic in the garbage is in a flying state through a material lifting stirring roller and a blowing device which are arranged below the knife roller, then the light plastic is extracted and collected through the arranged air extracting device, and is crushed, cleaned, dehydrated and granulated; and selecting and collecting waste steel and iron by a magnetic iron selecting roller in the downward flowing process of the plastic-selected garbage, conveying the rest garbage to a roller screening machine with multiple screening functions by a conveyor for screening, and performing biological fermentation on screened objects to produce the organic fertilizer.

According to the domestic solid garbage sorting and recycling process, the roller screening machine is provided with a plurality of sections of rolling screening nets, the first section of screen holes are square holes or round holes with the size of 20-50 mm, fragile materials such as rotten vegetable leaves, fruits, leaves, weeds, waste paper and the like in the section are turned over up and down, and the fragile materials are broken by beating and then screened down from the section along with silt; the second section of sieve pore is set as rectangle of 230mm 90mm, waste battery, plastic bottle, bottle cap, glass bottle, plastic strip, plate, etc. smaller than the size are sieved, the waste battery, glass bottle, plastic bottle and plastic cap are separated by specific gravity separation method, and the plastic cap is crushed to separate out particles with different colors; the third section of screen is provided with rectangular holes of 330mm x 120mm, and the shoes and caps are screened; when the clothes-breaking materials and long branches larger than the section of sieve pores flow out of the drum sieve, the clothes-pulling-out device is arranged at the outlet for recycling, and the branches flow down and enter the wood pulverizer for pulverization.

The invention has the beneficial effects that:

1. the utility model discloses the corresponding technology of domestic solid waste sorting facilities uses waste recycling as the purpose, firstly sorts domestic solid waste to become more meticulous, sorts the harmful heavy metal waste battery of waste in the rubbish separately and recycles, with the waste that has the value of recovery such as a large amount of waste plastics in the rubbish, rational utilization realizes changing waste into valuables, improves social and economic benefits, is converted into turning into the torsion and lacking to be sufficient by the present policy subsidy, benefits the nation and the people; and secondly, by a recycling process method, the problem that waste gas generated by combustion pollutes the atmospheric environment by using waste plastics collected in the prior art as fuel is avoided, and the environmental pollution of waste batteries is avoided.

2. The utility model discloses domestic solid waste selects separately retrieves complete sets adopts broken bag to select to mould selection iron all-in-one, through addding the magnetic separation roller on the feeder hopper to and add guiding gutter, throwing thing roller and material crusher at the screen cloth discharge end, make the device collect screening, selection iron and tear piece/crushing function in an organic whole, thereby realize the purpose of product function pluralism. Compared with the existing production process structure, the garbage treatment device has the advantages that the whole structure is compact, the occupied area is small, and meanwhile, the material transfer is omitted, so that the garbage treatment path is shortened, the operation and the use are convenient, and the production efficiency is improved.

3. The utility model discloses domestic solid waste selects separately retrieves complete sets has adopted multi-functional screening machine, is the form of multistage different shapes and/or size of a dimension with the design of screen cloth mesh, and rubbish is got into the back by the feed inlet, leans on the dead weight along the rotatory whereabouts in-process of screen cloth inner wall, and the rubbish of different shapes or size of a dimension can be segmented in proper order and sieve away to reduce the refuse treatment load of whole production line, refuse treatment efficiency is high, and the degree of automation of whole production line is also high.

4. The utility model discloses the corresponding technology of solid waste sorting facilities alive changes former processing procedure, selects separately earlier screening behind the light plastics, and the process is moulded to the selection that positive negative pressure combined with light plastics when rubbish breaks the bag, does not adhere to silt at the plastic bag, selects by wind-force when the proportion is lighter, has improved the plastics rate of recovery, has avoided present technology to beat rubbish at the drum screen and has rolled the in-process, because of the higher problem of adhering to plastics surface influence plastics recovery of silt moisture.

5. The utility model discloses the corresponding technology of the solid waste sorting equipment alive, when rubbish gets into the inclined broken bag selection plastic separation iron selection all-in-one, because rubbish proportion is different, when heavy objects such as waste battery, glass bottle fall into the feed bin, distribute in the swash plate bottom, move the sword and rotate and leave 80mm ~ 260mm height, waste battery, glass bottle can not cause the under-sieve thing because of smashing and glass the disintegrating slag is many; the waste battery is recovered and specially treated, so that the problem that the land is polluted by the heavy metal of the waste battery is avoided.

6. The utility model discloses solid waste sorting process alive successfully separates breakable materials such as vegetable leaf, fruit, leaf, weeds, waste paper in the rubbish, and undersize such as silt send into the fermentation workshop and carry out biological treatment, can produce organic fertilizer.

Drawings

FIG. 1 is a process flow diagram of the complete equipment for sorting and recovering domestic solid garbage according to the present invention;

FIG. 2 is a schematic structural view of the bag breaking, plastic selecting and iron selecting integrated machine of the complete equipment for sorting and recovering domestic solid garbage;

FIG. 3 is a schematic sectional view taken along line A-A in FIG. 2;

FIG. 4 is a view schematically illustrating the structure of the direction B in FIG. 2 (the section of the storage bin);

reference numbers in the diagrams of fig. 2-4: 1-1 parts of a bin, 1-2 parts of a movable knife, 1-3 parts of a fixed knife, 1-4 parts of a knife protection flow distribution plate, 1-5 parts of a movable knife roller, 1-11 parts of a feed inlet, 1-12 parts of a discharge outlet, 1-13 parts of a lower side plate, 1-14 parts of an upper side plate, 1-15 parts of a bin end plate; 1-21 parts of a blowpipe, 1-22 parts of a negative pressure air suction nozzle, 1-23 parts of a material raising and shifting roller, 1-24 parts of a plastic suction baffle, 1-25 parts of an air volume adjusting valve, 1-26 parts of a magnetic iron selecting roller; 1-31 parts of a center plane of a knife protection and shunt plate, 1-32 parts of a moving knife rotation trajectory line;

FIG. 5 is a schematic view of the multi-functional screening machine of the complete equipment for sorting domestic solid waste of the present invention;

FIG. 6 is a schematic view of the screen and adjoining portions of FIG. 5;

FIG. 7 is a schematic view of an axially expanded configuration of the screen panel of FIG. 6;

numbers in the diagrams of fig. 5-7: 2-1 parts of a frame, 2-2 parts of a box body, 2-3 parts of a cylindrical screen, 2-4 parts of a magnetic separation roller, 2-5 parts of a diversion trench, 2-6 parts of a parabolic roller, 2-7 parts of a material crusher; 2-11 parts of feed inlet, 2-12 parts of feed hopper, 2-13 parts of discharge outlet, 2-14 parts of screen mesh; 2-21 parts of a second rotating main shaft 2-22 parts of a driving motor 2-23 parts of spokes 2-24 parts of a coupling; 2-31, a first rotating main shaft, 2-32, a beating belt, 2-33 and an upper cover.

Detailed Description

The technical solution of the present invention will be described in detail with reference to the accompanying drawings by the following detailed description. The following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention.

Example 1

Referring to fig. 1 and 2-4, the embodiment is a complete set of equipment for sorting and recycling domestic solid garbage, which comprises a bag breaking, plastic selecting and iron selecting integrated machine, a multifunctional sieving machine and a specific gravity sorting machine; the bag breaking, plastic selecting and iron selecting integrated machine comprises a bin 1-1, and a bag breaking mechanism, a plastic selecting mechanism and an iron selecting mechanism are sequentially arranged along the bin from top to bottom; the bag breaking mechanism comprises moving blades 1-2, a moving blade roller 5, fixed blades 1-3 and knife protection flow distribution plates 1-4, wherein the upper part of a storage bin is provided with a feeding hole 1-11, the lower part of the storage bin is provided with a discharging hole 1-12, and the storage bin is obliquely arranged relative to a horizontal plane. A plurality of movable cutters are transversely arranged and are arranged at the lower part in the stock bin; a plurality of fixed cutters are transversely arranged corresponding to the movable cutters and are arranged on a side plate on one side of the storage bin; the inclined side plate at the fixed cutter mounting side is used as a lower side plate 1-13, and the inclined side plate at the other side of the storage bin is used as an upper side plate 1-14 relative to the lower side plate.

The fixed knife is correspondingly arranged on the lower side plate, and the axis where the movable knife roller is located deviates to the upper side plate of the storage bin relative to the transverse central plane of the storage bin. A row of knife protection flow distribution plates are arranged along the inner wall of the lower side plate in the forward direction, and the upper ends of the knife protection flow distribution plates start from the feed inlet and extend downwards and are close to the fixed knife. The knife protection splitter plate corresponds to the moving knife one by one, and the central plane 1-31 of the knife protection splitter plate is superposed with the plane of the rotating track line 1-32 of the corresponding moving knife.

The plastic selecting mechanism comprises blowpipes 1-21, negative pressure air suction nozzles 1-22 and material raising and shifting rollers 1-23, the blowpipes and the negative pressure air suction nozzles are correspondingly arranged on two sides of the storage bin, and the blowpipes are positioned below the negative pressure air suction nozzles; the negative pressure air draft nozzle is obliquely arranged upwards relative to the side plate of the storage bin; a material raising poking roller is arranged above the side of the blowing pipe, and a plastic extracting baffle plate 1-24 is connected to the inlet of the negative pressure air extracting nozzle and extends obliquely downwards and is close to the blowing pipe; the iron selecting mechanism comprises iron selecting magnetic rollers 1-26, and the iron selecting magnetic rollers are arranged on a side plate on the installation side of the fixed cutter and are positioned below the side of the blowing pipe.

When the solid garbage falls into the bin in a parabolic dispersion mode, waste metal, bricks and stones, glass bottles and the like with large specific gravity firstly fall into the lower side plate part of the bin, materials with small specific gravity and the wrapped objects fall into the upper layer, and in the process that the heavy objects slide down on the lower side plate, the materials are separated according to the track by the knife protection splitter plate, the rotating track of the moving knife rotating along with the rotation of the moving knife main shaft and the center of the knife protection splitter plate are on the same plane, the rotating diameter of the moving knife tip is a certain distance away from the lower side plate, and the moving knife and the fixed knife are matched to crush the wrapped objects and the light objects on the upper part of the material layer. 3-8 rows of movable blades can be arranged upwards on the movable blade main shaft, and each row of movable blades is counted according to 10-20, and the movable blades are specifically determined according to different yields. The utility model sets the bin to be inclined, after the garbage falls into the bin by the conveying equipment, because the throwing force forms a throwing line shape, the metal, brick, stone and the like with large specific gravity fall in the near place in advance, and the light garbage and the like fall on the surface layer of the heavy object in the back; when garbage slides down along the inclined plate, the metal, the masonry and the like flow down to the bag breaking movable knife roller by the knife protection splitter plate structure, and the garbage can avoid the position of the rotating track of the movable knife to flow down, so that the movable knife cannot be damaged, and the service life of the movable knife is prolonged. And, establish the eccentric position in the feed bin with the sword roller that moves of broken bag (promptly the roll body is close to relatively and sets up in one of them side slope curb plate), move the sword top footpath and be nearer from one side feed bin wallboard, the sword roller rotates to stationary knife side folk prescription, and the bag form thing is whole to one side by the sword roller and is beaten to improve broken bag rate.

In addition, the bin is obliquely arranged relative to the horizontal plane, and only a small amount of light materials are arranged on the knife roll, so that the power can be reduced, and the energy consumption is saved; because the garbage is basically discharged along the side plate on one side of the storage bin, the heavy object slides downwards by the dead weight, and the light garbage is basically stirred by the rotation of the knife roll, so that the effect of uniform material distribution is achieved, and good conditions are created for the next production process.

Example 2

See fig. 1, 2-4, 5-7. The domestic solid waste sorting and recycling complete equipment of the embodiment is different from the domestic solid waste sorting and recycling complete equipment of the embodiment 3 in that: further, the multifunctional sieving machine comprises a frame 2-1, a box body 2-2, a cylindrical screen 2-3, a magnetic separation roller 2-4, a diversion trench 2-5, a parabolic roller 2-6, a material crusher 2-7 and the like. The screen is arranged in the box body, the box body and the screen are downwards and obliquely arranged on the rack along the length direction from front to back, and the rack is provided with a screen rotating mechanism connected with the screen; the feeding end of the screen is provided with a feeding port 2-11 and a feeding hopper 2-12, the feeding hopper is provided with a magnetic separation roller, the bottom of the box body is provided with a plurality of discharging ports 2-13 corresponding to each section of screen, and the plurality of discharging ports 2-13 are arranged in a straight line corresponding to each section of screen. A diversion trench is obliquely arranged at the discharge end of the screen, a parabolic roller is arranged above the side of the diversion trench, a material crusher is arranged at the tail end of the diversion trench, and a discharge port of the diversion trench is connected with a feed port of the material crusher; the multifunctional sieving machine is connected with the bag breaking, plastic selecting and iron selecting integrated machine through a spiral conveyer.

The cylindrical screen is obliquely arranged downwards, and the feeding end of the cylindrical screen is higher than the discharging end of the cylindrical screen; the screen is composed of a plurality of sections, the mesh shape of the first section of screen is square or round, and other sections are rectangles; the mesh sizes between the sections are sequentially increased from front to back along the length direction of the screen. The screen rotating mechanism comprises a second rotating main shaft 2-21 and a driving motor 2-22. The second rotating main shaft is arranged along the axial center line of the screen, and two ends of the second rotating main shaft are rotatably supported on the rack. The surface of the second rotating main shaft is fixedly connected with the screen through a plurality of radial spokes 2-23. The driving motor is directly connected with one end of the rotating main shaft through the shaft couplings 2-24.

Because the components of the garbage are complex and the moisture content is high, the sieve pores are easy to block or the silt is stuck on the sieve net, so that the normal sieving is influenced; therefore, the top of the box body and the upper part outside the screen are provided with the screen cleaning mechanism. The net cleaning mechanism comprises a first rotating main shaft 2-31 and a beating belt 2-32 fixed on the rotating main shaft. The upper cover 2-33 is arranged on the box body and outside the net cleaning mechanism. The net cleaning mechanism additionally arranged can clean the screen at regular time according to the blocking condition of the screen so as to ensure the normal screening of the screen.

When the garbage screening machine is used specifically, after garbage enters from the feeding hole, in the process of falling along the inner wall of the screen by self-weight in a rotating manner, silt and fragile organic matter crushed aggregates such as rotten fruits, vegetable leaves, paper shreds and the like are screened out by the first section of square hole or round hole screen; the mesh of the second section screen can be designed into a rectangle larger than the mesh size of the first section screen, the section can screen out and collect waste batteries, large and small glass bottles, plastic bottles, bottle caps and the like, and then the waste batteries, glass bottle pieces and plastics can be classified and recycled by a weight sorting machine independently arranged outside, so that most of manual sorting loads are replaced, the automation degree is improved, and the production cost is reduced. Because the waste batteries in the garbage can be completely sorted out and uniformly treated, the serious pollution to soil and atmosphere caused by the smashing of the waste batteries along with the burying of undersize materials in the conventional production process is avoided. The mesh of the third section of screen can be designed into a rectangle, and the size of the mesh is larger than that of the mesh of the second section of screen, the third section of screen can screen shoes, caps and small clothes, the rest oversize materials are large clothes, materials and the like, the oversize materials flow down along the diversion trench at the discharge end of the screen, the clothes are thrown out in the down-flow process, and the materials such as wood boards, branches and the like enter the pulverizer to be pulverized.

The utility model discloses multi-functional screening machine is through addding the magnetic separation roller on the feeder hopper to and add guiding gutter, parabolic roller and material crusher at the screen cloth discharge end, make the device collect screening, selection iron and tear piece/crushing function in an organic whole, thereby realize the purpose of product function pluralism, moreover for current production technology structure, the utility model discloses overall structure is compact, and area is little, has saved the material simultaneously and has forwarded for the refuse treatment route shortens, thereby operation convenient to use has improved production efficiency.

In addition, with the form of screen cloth mesh design for the different shapes of multistage and/or size of a dimension, rubbish gets into the back by the feed inlet, leans on the dead weight to follow the rotatory whereabouts in-process of screen cloth inner wall, and different shapes or the size of a dimension's rubbish can be segmented in proper order and sieve away to reduce the refuse treatment load of whole production line, refuse treatment is efficient, and the degree of automation of whole production line is also high.

Example 3

The difference between the complete equipment for sorting and recovering the domestic solid garbage in the embodiment and the embodiments 3 and 4 is that: a bin of the bag breaking, plastic selecting and iron selecting integrated machine is obliquely arranged relative to a horizontal plane, and the inclination angle is 30-60 degrees; the fixed cutter is correspondingly arranged on an inclined side plate at the bottom side of the storage bin, and the axis of the movable cutter rotating roller is deviated to the side plate at one side of the storage bin relative to the transverse central plane of the storage bin; meanwhile, a row of cutter protection flow distribution plates are arranged along the inner wall of the inclined bottom plate on the side where the fixed cutter is located in the forward direction, and the upper ends of the cutter protection flow distribution plates start from the feed inlet and extend downwards and are close to the fixed cutter; the knife protection splitter plate corresponds to the movable knife one by one, and the central plane of the knife protection splitter plate coincides with the plane of the rotating track of the corresponding movable knife.

The utility model discloses domestic solid waste selects separately retrieves complete sets is equipped with multistage band conveyer end to end in the rubbish storage workshop, and it has a plurality of manipulators to distribute along band conveyer, and first level band conveyer feed end is equipped with batcher, by batcher with rubbish evenly distributed on parallel belt feeder, by the manipulator in proper order with clothing class, stereoplasm plastic class, glass class rubbish sorting out in transportation process, last level band conveyer discharge end corresponds continuously with the entry of broken bag selection plastics selection iron selection all-in-one's feed bin. The plastic selecting mechanism of the integrated machine for breaking bags, selecting plastics and selecting iron is connected with the plastic selecting mechanism, and a plastic breaking device, a plastic washing device, a dehydrating device and a plastic granulating device are sequentially arranged. Organic matter crushed aggregates screened by a multifunctional screening machine and wood crushed aggregates crushed by a material crusher are transferred to a fermentation workshop through a conveyor arranged in the middle for fermentation treatment, and silt, crushed aggregates and sludge after plastic breaking and plastic washing are transferred to the fermentation workshop through the conveyor arranged in the middle for fermentation treatment to produce organic fertilizer.

The corresponding process of the complete equipment for sorting and recovering the domestic solid waste in the embodiment is shown in figure 1, clothes, hard plastics and glass are sequentially sorted out in a waste storage workshop, and the subsequent process flow is as follows:

1) after larger articles in the garbage are sorted by a manipulator process, the rest garbage enters an inclined bag-breaking plastic-selecting iron-selecting integrated machine, the garbage is in a throwing-off shape when entering the integrated machine, and in the throwing-off process, due to different specific gravities, heavy objects such as bricks, stones, waste metals, glass bottles and the like with large specific gravities fall to the near position firstly, and light materials with small specific gravities fall to the far position later and fall onto an inclined bottom plate of the bag-breaking plastic-selecting iron-selecting integrated machine;

2) the inclined bottom plate of the bag breaking, plastic selecting and iron selecting integrated machine is provided with a forward-flow cutter protecting and shunting device, when garbage flows downwards on the inclined plate, the garbage flows forward and in shunting mode with the cutter protecting, so that the brick stones and the metal are enabled to avoid the transfer track and the fixed cutter of the bag breaking knife roller blade arranged at the lower part, and the effect of protecting the blade is achieved. The top end of a knife roll blade is 80-260 mm away from a bottom plate, the axial distance between the blades is 100-220 mm, garbage after bulk waste sorting is carried out by a manipulator and enters an inclined type belt-breaking plastic-sorting and iron-sorting all-in-one machine, firstly, a movable knife main roller rotates to break up bag-shaped objects, long branches and the like, light plastic is lifted at the position due to the rotation of the knife roll, and a material lifting poking roller and a blowing device are arranged below the knife roll, the light plastic is extracted to a collecting box by wind power under the action of a negative pressure air extracting device without silt adhesion, the light plastic is output from the lower bottom of the collecting box by a conveyor, the plastic is sorted according to colors by manual sorting, the recycling value is improved, and then, particles with different colors are produced by plastic breaking, plastic washing and dehydration to serve as raw materials of plastic products;

3) and selecting and collecting waste steel and iron by a magnetic iron selecting roller in the downward flowing process of the plastic-selected garbage, conveying the rest garbage to a roller screening machine with multiple screening functions by a conveyor for screening, and performing biological fermentation treatment on screened objects to produce the organic fertilizer.

Referring to fig. 1, in a storage workshop, garbage is uniformly distributed on a parallel belt conveyor 1 by a constant feeder, clothes are sorted out by a mechanical arm 1 in the conveying process, hard plastic is sorted out by a mechanical arm 2, glass is sorted out by a mechanical arm 3 in the conveying process of the belt conveyor 2, and sorted substances are selected by a mechanical arm 4 according to garbage components according to different garbage components in each region in the process that the garbage is conveyed to a bag breaking plastic selecting iron selecting machine by a belt conveyor 3.

The utility model discloses the corresponding technology of domestic solid waste sorting facilities when rubbish gets into in the refuse dump storage workshop, carries out intelligent sorting to major possession wastes material with the manipulator to replace manual letter sorting major possession process, practice thrift the manual work, reduction in production cost changes operational environment.

The conveying equipment adopts different conveying modes according to different processes, and the constant feeder feeds materials to the bag breaking, plastic selecting and iron selecting integrated machine in a chain plate feeding mode (a manual sorting room is arranged in the process). A screw conveyor mode is used between the bag breaking, plastic selecting and iron selecting integrated machine and the drum screening machine, so that the sealing performance is good; the screw conveyor is used for undersize materials of the drum screening machine, and then the screw conveyor is used for overall conveying, so that the occupied area of facilities can be saved; water is used for conveying after the plastic crushing process, and circulating water is adopted, so that water pollution is avoided.

The light plastics are selected and collected in a positive and negative pressure combination mode in the process of the integrated machine for breaking bags, selecting plastics and selecting iron. Two ways are adopted for recycling, one is that granulation is directly processed, and the utilization value is low; secondly, the granules are classified and processed manually according to colors, so the utilization value is high.

The corresponding technology of domestic solid waste sorting recovery plant of this embodiment, it is further, adopt the drum sieve extension to classify the great solid waste of proportion: the roller screening machine is provided with a plurality of sections of rolling screening nets, the first section of screen holes are square holes or round holes (between 20mm and 50 mm) with the size of about 30mm, fragile materials such as rotten vegetable leaves, fruits, leaves, weeds, waste paper and the like in the first section of screen holes are turned up and down, and the fragile materials are screened down from the first section of screen holes along with silt after being beaten and broken; the second section of sieve pore is set as rectangle of 230mm 90mm, waste battery, plastic bottle, bottle cap, glass bottle, plastic strip, plate, etc. smaller than the size are sieved, the waste battery, glass bottle, plastic bottle and plastic cap are separated by specific gravity separation method, and the plastic cap is crushed to separate out particles with different colors; the third section of screen mesh is provided with rectangular holes of 330mm x 120mm, and the shoe and cap type garbage is screened out; when the clothes-breaking materials and long branches larger than the section of sieve pores flow out of the drum sieve, the clothes-pulling-out device is arranged at the outlet for recycling, and the branches flow down and enter the wood pulverizer for pulverization.

And (3) conveying the silt separated from the wood chips and the broken plastics and the washed plastic precipitated silt to a fermentation workshop along with the crushed materials screened by the roller screening machine to produce the organic fertilizer. The plastic screened out from the multifunctional drum screening machine, large plastic bottles and plastic plates are manually classified according to colors, the small plastic and the bottle caps are sorted out by a specific gravity sorting machine, the plastic is crushed to be less than 3mm by a crusher and then enters a plastic color sorting machine, and plastic grains with different colors are sorted to be used as raw materials of plastic products.

The utility model discloses the corresponding technology of recovery plant is selected separately to domestic solid waste adopts following gas treatment measure/flow, solves the production place gas pollution problem. 1. The quantitative feeder is closed, the feed inlet is provided with an air exhaust cover (a forklift feeding mode), and the joint of the discharge outlet and the conveyor is closed; 2. the conveyor is provided with an upper cover for sealing, the manual sorting room is arranged at the middle section of the conveyor for sealing, and gas is pumped out along with garbage channels at two ends of the conveyor; 3. an air exhaust cover is arranged at the joint of the conveyor and the bag breaking, plastic selecting and iron selecting integrated machine; 4. the space between the integrated machine and the drum screening machine is directly sealed by spiral feeding; 5. the discharge port of the drum screening machine is provided with an air exhaust cover, and crushed aggregates screened by the drum are directly in a closed state by spiral conveying. After which the screw is fully conveyed.

The utility model discloses the corresponding technology of recovery plant is selected separately to domestic solid waste, including organic matter biological fermentation process, by the organic matter class crushed aggregates of multi-functional screening machine undersize, through the wooden crushed aggregates that material crusher smashed and broken silt and crushed aggregates after moulding, wash the mud after moulding and all change over to fermentation workshop into through the conveyer, produce the fertilizer.

The above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (7)

1. A complete set of equipment for sorting and recycling domestic solid garbage comprises a bag breaking, plastic selecting and iron selecting integrated machine, a multifunctional sieving machine and a specific gravity sorting machine; the method is characterized in that: the bag breaking, plastic selecting and iron selecting integrated machine comprises a storage bin, wherein the storage bin is obliquely arranged relative to a horizontal plane, and a bag breaking mechanism, a plastic selecting mechanism and an iron selecting mechanism are sequentially arranged along the storage bin from top to bottom; the bag breaking mechanism comprises a plurality of movable cutters, a plurality of movable cutter rollers and a plurality of fixed cutters, and the plurality of movable cutters are transversely arranged and arranged in the storage bin; a plurality of fixed cutters are transversely arranged corresponding to the movable cutters and are arranged on a side plate on one side of the storage bin; the plastic selecting mechanism comprises a blowing pipe, a negative pressure air draft nozzle, a material raising poking roller and a plastic draft baffle plate, wherein the blowing pipe and the negative pressure air draft nozzle are correspondingly arranged on two sides of the storage bin, and the blowing pipe is positioned below the negative pressure air draft nozzle; the negative pressure air draft nozzle is obliquely arranged upwards relative to the side plate of the storage bin; a material raising poking roller is arranged above the side of the blowing pipe, and a plastic extracting baffle plate is connected to the inlet of the negative pressure air draft nozzle and extends obliquely downwards and is close to the blowing pipe; the iron selecting mechanism comprises an iron selecting magnetic roller, and the iron selecting magnetic roller is arranged on a side plate of the fixed cutter mounting side and is positioned below the side of the blowing pipe.

2. The domestic solid waste sorting and recycling plant according to claim 1, characterized in that: the multifunctional sieving machine comprises a rack, a box body and a cylindrical screen, wherein the screen is arranged in the box body, the box body and the screen are obliquely and downwards arranged on the rack from front to back along the length direction, and a screen rotating mechanism connected with the screen is arranged on the rack; the feeding end of the screen is provided with a feeding hole and a feeding hopper, the bottom of the box body is provided with a discharging hole relative to the screen, the discharging end of the screen is obliquely downwards provided with a diversion trench, a parabolic roller is arranged above the side of the diversion trench, the tail end of the diversion trench is provided with a material crusher, and the discharging hole of the diversion trench is connected with the feeding hole of the material crusher; the multifunctional sieving machine is connected with the bag breaking, plastic selecting and iron selecting integrated machine through a spiral conveyer.

3. The domestic solid waste sorting and recycling plant according to claim 2, characterized in that: the cylindrical screen is obliquely arranged downwards, and the feeding end of the cylindrical screen is higher than the discharging end of the cylindrical screen; the screen is composed of a plurality of sections, the mesh shape of the first section of screen is square or round, and other sections are rectangles; the mesh sizes between the sections are sequentially increased from front to back along the length direction of the screen; a plurality of discharge ports are correspondingly arranged relative to each section of screen mesh and are arranged in a straight line.

4. The domestic solid waste sorting and recycling plant according to claim 1, 2 or 3, characterized in that: the bin of the bag breaking, plastic selecting and iron selecting integrated machine is obliquely arranged relative to the horizontal plane, and the inclination angle is 30-60 degrees; the fixed cutter is correspondingly arranged on an inclined side plate at the bottom side of the storage bin, and the axis of the movable cutter rotating roller is deviated to the side plate at one side of the storage bin relative to the transverse central plane of the storage bin; meanwhile, a row of cutter protection flow distribution plates are arranged along the upper inner wall of the inclined bottom plate on the side where the fixed cutter is located in the forward direction, and the upper ends of the cutter protection flow distribution plates start from the feed port and extend downwards and are close to the fixed cutter; the knife protection splitter plate corresponds to the movable knife one by one, and the central plane of the knife protection splitter plate coincides with the plane of the rotating track of the corresponding movable knife.

5. The domestic solid waste sorting recovery plant of claim 4, wherein: the garbage sorting machine is characterized in that a multistage belt conveyor is arranged between a garbage storage workshop and is connected end to end, a plurality of mechanical arms are distributed along the belt conveyor, a constant feeder is arranged at the feeding end of the first-stage belt conveyor, garbage is uniformly distributed on parallel belt conveyors by the constant feeder, the mechanical arms sequentially sort out large articles, such as clothes, hard plastic and glass garbage, in the conveying process, and the discharging end of the final-stage belt conveyor is correspondingly connected with an inlet of a bin of the bag breaking, plastic selecting and iron selecting integrated machine.

6. The domestic solid waste sorting recovery plant of claim 5, wherein: and the plastic selecting mechanism of the bag breaking, plastic selecting and iron selecting integrated machine is connected with the next process of the plastic selecting mechanism and is sequentially provided with a plastic breaking device, a plastic washing device, a dewatering device and a plastic granulating device.

7. The domestic solid waste sorting recovery plant of claim 6, wherein: the plastic washing device is connected with the fermentation device through a conveyor arranged in the middle.

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