Smart sorting system of domestic waste
Technical Field
The invention belongs to the technical field of environmental protection, and particularly relates to a domestic garbage fine sorting system.
Background
The domestic garbage sorting process consisting of the feeding part, the sorting part and the electric control part is an important component of the domestic garbage recycling process and is a sorting workshop arranged in front of a recycling workshop. All the operations of the equipment are manually controlled by the electric control part.
The recycling process has certain requirements on the components of the existing process equipment for sorting the household garbage according to the requirements of feed components and treatment capacity, and the sorting equipment can separate all the components of the household garbage only by needing a large-size effective sorting area and a complicated sorting flow so as to achieve the purpose of sorting.
For the sorting equipment, the sufficient scattering of materials is the precondition of sorting, but the single bag breaking device can not fully scatter the materials, so the sorted materials are still unclear and belong to primary rough sorting. The existing domestic garbage sorting process requires large equipment size, large installation site, high energy consumption and complex operation, reduces the land utilization rate, increases unnecessary material consumption, and brings high requirements for design, manufacture, installation and operation.
Disclosure of Invention
The invention aims to solve the technical and social problems of multiple devices, large installation field, high energy consumption, complex operation and the like in the existing garbage sorting process, provides a household garbage fine sorting process, has the characteristics of achieving the precondition of fine sorting and clear final discharge, and is small in occupied area, low in energy consumption, material-saving and in line with the environmental protection concept.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a smart sorting system of domestic waste which characterized in that: the fine sorting system comprises a feeding device, a crusher, a bouncing screen, a conveying belt and an electric control part; the output end of the feeding device is connected with the input end of the primary crusher through the conveying belt, the output end of the primary crusher is connected with the input end of the bouncing sieve through the conveying belt, and the output end of the bouncing sieve is connected with the final-stage crusher through the conveying belt.
Preferably, the bounce screen is provided with a heavy material output end and a light material output end, the light material output end is connected with a secondary crusher, the secondary crusher is connected with the input end of a final crusher through a conveying belt, and the heavy material output end is connected with the manual sorting platform through the conveying belt.
Preferably, one output port of the manual sorting platform is connected with the final-stage crusher, and the other output port of the manual sorting platform is connected with the inorganic matter collecting box.
Preferably, the bouncing screen is also provided with a screen underflow output end, the screen underflow output end is connected with the input end of the bouncing sorting machine through a conveying belt, and the output end of the bouncing sorting machine is connected with the input end of the final-stage crusher through the conveying belt.
Preferably, the feeding device comprises a rack, a motor, a apron limiter and a feeding hopper are arranged on the rack, the motor drives a chain wheel through a speed reducer, a conveying chain is arranged on the chain wheel, the conveying chain is connected with an apron to form an apron conveying belt, the feeding hopper is positioned above the apron conveying belt, the apron limiter comprises a box-type frame and an adjusting device, the box-type frame is arranged at the end part of the rack close to the output end of the apron conveying belt, a material shifting roller is arranged in the box-type frame, stepped shifting plates are uniformly distributed on the surface of the material shifting roller and fixedly connected and combined by a plurality of transverse shifting plates and vertical shifting plates, and the stepped shifting plates are obliquely arranged from the middle to the two sides of the material shifting roller to form a step shape; adjusting devices are installed on two sides of the box-type frame, each adjusting device comprises an adjusting screw rod, the adjusting screw rods are hung at the top of the box-type frame, a rotating shaft of the material stirring roller is arranged at the bottom end of each adjusting screw rod, a certain gap is formed between the material stirring roller and the output end of the conveying chain, and a blanking hopper is arranged below the output end of the apron conveying belt.
Preferably, a bag breaking machine is further arranged between the primary crusher and the bouncing screen.
Preferably, a magnetic separator is arranged on any conveying belt between the bag breaking machine and the final-stage crusher, and the magnetic separator, the feeding device, the first-stage crusher, the second-stage crusher, the final-stage crusher, the bag breaking machine, the bouncing screen, the bouncing sorting machine and the conveying belt are respectively and electrically connected with the electric control part.
Preferably, the crusher comprises a crushing roller, a wallboard, a side plate, a feeding hopper, a discharging hopper and a platform, wherein the wallboard is a whole one-step cast molding board, the wallboard is divided into a left wallboard and a right wallboard, and is respectively and movably connected with the feeding hopper, the platform and the side plate, the left wallboard and the right wallboard are respectively and movably connected with a material blocking block, the crushing roller is arranged in the left wallboard and the right wallboard, and crushing cutters are equidistantly arranged on the crushing roller; the thickness of the material blocking block is smaller than the distance between any two crushing cutters; the crushing rolls arranged in the left wall plate and the right wall plate of the crusher are a crushing roll A and a crushing roll B, the crushing roll A and the crushing roll B are arranged in parallel, crushing knives on the crushing rolls are respectively embedded into each other, the material blocking blocks are uniformly distributed on the wall plates on the left side and the right side and are respectively arranged on the crushing knives, the wall plates and the fixed knives on the crushing rolls A and the crushing rolls B, the wall plates are movably connected to the side part of the shell, the fixed knives are arranged at the end part of the fixed knife holder, the fixed knife holder is hinged to the wall plates, the tail ends of the fixed knife holder are connected with tension springs fixed on the wall plates, and the fixed knife part extends into the shell and is mounted with bag breaking knives in a scissor manner; the bag breaking cutter is installed on the surface of the round roller in a staggered mode; a feed inlet is arranged above the shell to ensure that the feeding direction is tangent to the excircle of the round roller; a material receiving plate is arranged in the blanking hopper; the bag breaking knife continuously drives materials to break open bagged garbage through the self-adjusting overload prevention fixed knife device.
Preferably, the bouncing screen comprises a power device, an eccentric assembly, a driving shaft, a driven shaft, a support frame, a shaft support assembly and an outer span angle adjusting device, wherein the eccentric assembly comprises an eccentric assembly shell, an eccentric sleeve with a key groove and a middle support bearing are arranged in the eccentric assembly shell, and a bearing gland and a compression bolt are arranged outside the middle support bearing and are fastened; the driving shaft and the driven shaft are in key connection with the eccentric assembly, and the upper part of the eccentric assembly is provided with a connecting plate and is connected with the sieve plate with the hole; the driving shaft, the driven shaft, the eccentric assembly and the perforated sieve plate form a bouncing sieve linkage device, and the linkage device is arranged on the frame and is arranged on the support frame in an inclined set angle through the outer span angle adjusting device; the driving shaft and the driven shaft are provided with shaft support assemblies, and the shaft support assemblies are connected with shaft support assembly fixing pieces fixedly connected in the main body frame; the power device drives the driving shaft to enable the linkage device to reciprocate together in a periodic mode and enable the sieve plates with the holes to form sieve movement.
Preferably, the bounce sorting machine comprises a bracket, a box body is arranged on the bracket, an obliquely upward arc-shaped conveying belt and an obliquely upward flat plate type transfer conveying belt are arranged in the box body, the input end of the obliquely upward flat plate type transfer conveying belt is arranged below the output end of the arc-shaped conveying belt, and a blower is arranged below the input end of the arc-shaped conveying belt; supporting platforms are arranged on two sides of the top of the support respectively and connected with the crawling ladder; the box body is formed by splicing a top cover and a side cover; the top cover and the side cover are made of angle iron and steel plates which are fixedly connected and are connected into a box body.
A household garbage fine sorting system comprises the following fine sorting steps:
1) after the domestic garbage is uniformly distributed by the feeding device, the domestic garbage is crushed to be below 100mm by a primary crusher and then conveyed to the bag breaking machine;
2) the bag breaking machine conveys the fully-scattered materials into the bouncing sieve, the bouncing sieve vibrates, the materials are divided into heavy materials on the sieve which are obliquely downward, light materials on the sieve which are obliquely upward and undersize materials which fall after passing through a screen mesh of the bouncing sieve, and the light materials on the sieve directly enter the secondary crusher; the screened heavy materials enter a manual sorting platform, and the manual sorting platform manually sorts out the heavy materials and organic materials; the undersize enters a bounce sorting machine;
3) the bounce separator separates light substances on the sieve and heavy substances under the sieve; the heavy materials screened by the bounce sorting machine and the heavy materials sorted by the manual sorting platform are converged and fall into an inorganic material collecting box;
4) the organic matters sorted by the manual sorting platform are input into a final-stage crusher, the materials from the secondary-stage crusher and the light matters from the bouncing sorting machine are converged and then input into the final-stage crusher for crushing, and the household garbage crushed by the final-stage crusher enters a recycling workshop for subsequent treatment.
The invention has the advantages and positive effects that: land utilization and material consumption on the household garbage treatment project are the key for success of the project, and whether the primary household garbage is fully scattered is a decisive factor for the final sorting. The domestic garbage sorting system adopts the process that under the combination of the bounce screen and the bounce bellows, the domestic garbage sorting system can completely replace the original equipment with large size and large occupied area, such as a roller screening device, a winnowing device and the like, so that the land utilization rate is greatly improved.
The combined use of the primary crusher and the bag breaking machine in the domestic garbage sorting and sorting system can completely change the situation that the subsequent sorting effect is influenced because the original single bag breaking machine cannot fully break up the materials, so that the sorting degree reaches the fine sorting. The modular production of the crusher of the sorting system can meet different requirements on the size of final discharge, compared with the prior art, the process has the advantages of achieving the precondition of fine sorting and the characteristic of clear final discharge, and has the advantages of small occupied area, low energy consumption, material saving and environmental protection idea accordance. Under the increasingly serious social problem of the refuse surrounding city, the process directly solves most of the defects in the prior refuse disposal environmental protection project, and further promotes the feasibility of the refuse disposal environmental protection project.
Drawings
FIG. 1 is a schematic diagram of a fine sorting system for household garbage;
FIG. 2 is a schematic view of a feeding device;
FIG. 3 is a right side view of the loading device shown in FIG. 2;
FIG. 4 is a front view of the conveyor chain configuration of FIG. 2;
FIG. 5 is a cut-away view of the conveyor chain configuration of FIG. 2;
FIG. 6 is a front view of the limiter shown in FIG. 2;
FIG. 7 is a right side view of the limiter shown in FIG. 2;
FIG. 8 is a front view of a crusher
FIG. 9 is a view of the cast wall panel of FIG. 8 in combination with a crushing roll;
FIG. 10 is a front view of a bag breaker configuration;
fig. 11 is a view of the circular rollers of the bag breaker of fig. 10;
FIG. 12 is a front elevational view of the self-adjusting overload prevention stationary knife assembly of the bag-breaking machine of FIG. 8;
FIG. 13 is a shear fit of the bag-breaking knife and stationary knife shown in FIG. 8;
FIG. 14 is a front view of a pop-up screen of an eccentric assembly type;
FIG. 15 is a left side view of a pop-up screen of an eccentric assembly pop-up screen;
FIG. 16 is a schematic illustration of an eccentric assembly type of pop-up screen;
FIG. 17 is a front view of a trash bounce sorter;
fig. 18 is a right side view of a trash bounce sorter.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description and accompanying drawings that illustrate the invention.
As shown in figure 1, the invention provides a domestic garbage fine sorting system which comprises a feeding device 1, a primary crusher 2, a secondary crusher 5, a final crusher 7, a bag breaking machine 3, a bouncing screen 4, a manual sorting platform 8, a bouncing sorting machine 6, a magnetic separator 9, a conveying belt and an electric control part.
The output end of the feeding device 1 is connected with the input end of the first-stage crusher 2 through a conveying belt, the output end of the first-stage crusher 2 is connected with the input end of the bouncing sieve 4 through a conveying belt, and the output end of the bouncing sieve 4 is connected with the final-stage crusher 7 through a conveying belt.
The bounce screen 4 is provided with a heavy material output end and a light material output end, the light material output end is connected with a secondary crusher 5, the secondary crusher 5 is connected with the input end of a final crusher 7 through a conveyer belt, and the heavy material output end is connected with a manual sorting platform 8 through the conveyer belt; one output port of the manual sorting platform 8 is connected with the final crusher 7, and the other output port of the manual sorting platform 8 is connected with the inorganic matter collecting box 21; the bounce screen 4 is also provided with an undersize output end which is connected with the input end of the bounce sorting machine 6 through a conveyer belt, and the output end of the bounce sorting machine 6 is connected with the input end of the final-stage crusher 7 through the conveyer belt.
As shown in fig. 2-7, the feeding device 1 comprises a frame 108, a conveying chain 107, and a apron limiter 10000. The frame is provided with a motor 109, an apron limiter 100 and an apron machine feeding hopper 701, the motor 109 drives a chain wheel 110 through a speed reducer 102, a conveying chain 107 is arranged on the chain wheel 110, an apron 707 is connected to the conveying chain 107 to form an apron conveying belt 106, and the feeding hopper 701 is positioned above the apron conveying belt 106. The standard type structure conveying chain 107 is formed by hinging a plurality of round hole chain plates 706-4 and elliptical hole chain plates 706-5, an intermediate wear-resistant sleeve 706-2 is arranged between the two chain plates, two ends of the intermediate wear-resistant sleeve 706-2 are embedded into the elliptical hole chain plates 706-5, a connecting threaded pin shaft 706-1 penetrates through a central hole of the intermediate wear-resistant sleeve 706-2, a flat pad 706-8, an elastic pad 706-9 and a nut 706-7 are arranged at the end part of the connecting threaded pin shaft 706-1 and penetrate through a split pin 706-6, a roller 706-3 coaxial with the intermediate wear-resistant sleeve 706-2 is sleeved outside the intermediate wear-resistant sleeve 706-2, and the connecting threaded pin shaft 706-1 is provided with a nut 706-7 for tightly pressing and fastening the two chain plates. The chain plate is bent by 90 degrees, the end part of a vertical part 706-10 on the chain plate is provided with a round hole or an elliptical hole, a horizontal part 706-11 of the chain plate is provided with a scale bolt hole, and a scale 707 is connected with the conveying chain 107 through the scale bolt hole; the round hole chain plates 706-4 and the elliptical hole chain plates 706-5 on the chain plate 7 are alternately arranged, the round hole chain plates 706-4 are positioned at the outer sides of the elliptical hole chain plates 706-5, and the elliptical hole chain plates 706-5 are clamped in the middle; the middle wear-resistant sleeve 706-2, the connecting threaded pin shaft 706-1 and the roller 706-3 are made of wear-resistant steel, so that the wear resistance of the roller is enhanced, the chain plate material is standard conveying chain 40Cr, and the whole conveying chain 107 is arranged on chain wheels at two ends of the rack and driven by a motor reducer.
The apron limiter 100 comprises a box-type frame 101 and an adjusting device 103, wherein the box-type frame 101 is arranged at the end part of a rack 108 close to the output end of an apron conveyer belt 106, a kick-off roller 104 is arranged in the box-type frame 101, stepped kick-off plates 105 are uniformly distributed on the surface of the kick-off roller 104, and the stepped kick-off plates 105 are formed by fixedly combining a plurality of horizontal kick-off plates 105 and vertical kick-off plates 105 which are obliquely arranged from the middle to two sides of the kick-off roller 104 to form a stepped shape; adjusting devices 103 are installed on two sides of the box-type frame 101, each adjusting device 103 comprises an adjusting screw 103-1, each adjusting screw 103-1 is hung at the top of the box-type frame 101, a rotating shaft of the material stirring roller 104 is arranged at the bottom end of each adjusting screw 103-1, a certain gap is formed between the material stirring roller 104 and the input end of the conveying chain 107, and a discharging hopper 705 is arranged below the output end of the apron conveying belt 106.
In the course of the work of the material limiter 100, the stepped material shifting plate 105 is arranged on the surface of the material shifting roller 104, the stepped material shifting roller 104 rotates backwards away from the garbage surface, the stepped material shifting plate 105 on the surface is used for stirring garbage materials to enable the garbage to pass through the material limiter material shifting roller 104 and the apron conveyer belt 106 without blocking at the constant speed, and the normal work operation of the equipment is not easy to block.
As shown in fig. 1, a bag breaker 3 is further arranged between the primary crusher 2 and the bouncing screen 4; a magnetic separator 9 is arranged on any conveying belt between the bag breaking machine 3 and the final-stage crusher 7, and the magnetic separator 9, the feeding device, the first-stage crusher 2, the second-stage crusher 5, the final-stage crusher 7, the bag breaking machine 3, the bouncing sieve 4, the bouncing sorting machine 6 and the conveying belt are respectively and electrically connected with the electric control part.
As shown in fig. 8-9, the crusher is composed of a crushing roller a205, a crushing roller B206, wall plates 201, side plates, a feeding hopper, a discharging hopper and a platform, the wall plates 201 are formed by an integral one-step casting process, the wall plates 201 are divided into left and right wall plates, the left and right wall plates are respectively movably connected with the feeding hopper, the platform and the side plates and can be connected by corresponding threaded hole bolts, the left and right wall plates are respectively movably connected with a material blocking block 202, the crushing roller a205 and the crushing roller B206 are arranged in the left and right wall plates 201, and crushing cutters 2012 are equidistantly arranged on the crushing rollers; the thickness of the material stop block 202 is smaller than the distance between any two crushing knives 2012. About wallboard built-in crushing roller A205, crushing roller B206, install crushing sword 2012 on the crushing roller, crushing roller A205, crushing roller B206 parallel arrangement and crushing roller go up crushing sword 2012 and imbed each other respectively, embedding section 207 each other has the gear area, keep off material piece 202 equipartition on the wallboard 201 of the left and right sides, and keep off material piece 202 and set up respectively in crushing roller A205, crushing roller B206 on the rectangle neutral space region that crushing sword 2012 imbed each other, the equipartition is provided with multirow square frame strengthening rib on the wallboard 201 face.
As shown in fig. 10-13, the bag breaking machine 3 includes a supporting frame 306, a housing 301 is mounted on a platform 305 on the top of the supporting frame 306, a feeding hopper 308 is mounted on the top of the housing 301, a circular roller 302 is mounted inside the housing 301, a bag breaking knife 302-2 is fixedly mounted on the surface of the circular roller 302, and the bag breaking knife 302-2 is mounted on the surface of the circular roller in a staggered manner; a blanking hopper is arranged below the shell, and a self-adjusting overload-preventing fixed cutter device 303 is arranged on a platform 305 at the top of the supporting frame 306. The self-adjusting overload-preventing fixed cutter device 303 comprises a wall plate 3010 and a fixed cutter 304-1, wherein the wall plate 3010 is movably connected to the side of the shell 301, the fixed cutter 304-1 is installed at the end of a fixed cutter seat 304-5, the fixed cutter seat 304-5 is hinged on the wall plate 3010, the tail end of the fixed cutter seat 304-5 is connected with a tension spring fixed on the wall plate 3010, part of the fixed cutter 304-1 extends into the shell 301 to be mounted in a scissor-type manner with the bag breaking cutter 302-2, and a feeding hole is formed in the upper portion of the shell to enable the feeding direction to be tangential to the excircle of the round roller. A material receiving plate 309 is arranged inside the discharging hopper 307; the bag breaking knife 302-2 continuously drives the materials to break the bagged garbage through the self-adjusting overload prevention fixed knife device 303.
As shown in fig. 14-16, the bouncing screen 4 comprises an eccentric assembly 406, a driving shaft 403, a driven shaft 403, a shaft support assembly 404, a shaft support assembly fixing part 405, and an outer span angle adjusting device 408, wherein the eccentric assembly 406 is an eccentric sleeve with a key slot and a middle support bearing arranged in an eccentric assembly shell, and a bearing gland and a pressing bolt are arranged outside the middle support bearing and fastened; the driving shaft 403 and the driven shaft are connected with an eccentric assembly 406 in a key mode, and the upper portion of the eccentric assembly 406 is provided with a connecting plate 4010 and connected with a perforated sieve plate 407; the active and passive shafts 403, the eccentric assembly 406 and the perforated sieve plate 407 form a bouncing sieve linkage device; a shaft support assembly 404 is mounted on the driving driven shaft 403, and the shaft support assembly 404 is connected with a shaft support assembly fixing part 405 fixedly connected in the main body frame 401; the power device 409 drives a driving shaft to enable the linkage devices to move in a reciprocating type cycle, and the perforated sieve plate 407 forms sieve movement; the linkage is mounted on the frame 401 and is mounted on the support frame 402 at an inclined set angle by means of a straddle angle adjusting device 408.
As shown in fig. 17-18, the bounce sorting machine 6 is provided with a box 609 fixedly connected with a top cover 601 and a side cover 608 by a bracket 602, an obliquely upward arc-shaped conveying belt 604 and an obliquely upward flat plate type transfer conveying belt 603 are arranged in the box 609, an input end of the obliquely upward flat plate type transfer conveying belt 603 is arranged below an output end of the obliquely upward arc-shaped conveying belt 604, and a blower 605 is arranged below an input end of the obliquely upward arc-shaped conveying belt 604; two sides of the top of the support 602 are respectively provided with a supporting platform 606, the supporting platforms 606 are connected with a ladder stand 607, and two sides of the platform of the support 602 are respectively provided with the ladder stand 607; the top cover 601 and the side cover 608 are made of angle iron and steel plates which are fixedly connected and connected into a box 609.
A domestic garbage fine sorting system is characterized in that after domestic garbage is uniformly distributed by a feeding device, the domestic garbage is fed into a primary crusher 2 through a primary crushing feeding conveyer belt 10, the domestic garbage is crushed to be less than 100mm, and then the domestic garbage enters a bag breaking machine 3 through a bag breaking feeding conveyer belt 11 to be subjected to final bag breaking work, so that the domestic garbage is fully scattered for subsequent sorting; after the fully scattered materials are sucked out of ferromagnetic substances on the conveyor belt through the magnetic separator 9, the ferromagnetic substances enter the bounce screen 4 provided with an angle screen mesh through the bounce screen feeding conveyor belt 12, and the bounce screen 4 divides the materials into undersize materials, heavy materials on the screen which are obliquely arranged and light materials on the screen according to the physical characteristics of the weight and the size of the materials. The oversize heavy material gets into manual sorting platform 8 through bounce screen oversize heavy material ejection of compact conveyer belt 15, and on manual sorting platform 8, the inorganic matter that oversize heavy material obtained through manual sorting drops into manual sorting organic matter and collects hopper 20. The organic matter which is manually sorted directly enters the final-stage crusher 7 through a final-stage crushing feeding conveyer belt 17,
light materials on the inclined screen directly enter a secondary crusher 5 for crushing, and undersize materials falling through a screen of a bounce screen 4 enter a bounce separator 6 after being sucked out of ferromagnetic substances through a magnetic separator 9 on a feeding conveyer belt 14 of the bounce separator.
The bounce sorting machine 6 sorts the light matters on the sieve again, heavy matters in the light matters on the sieve are screened out from the rear part of the bounce sorting machine and then are converged with the inorganic heavy matters after manual sorting, and the light matters are sent into the inorganic matter collecting box 21 through a bounce sorting heavy matter discharging conveyer belt 16.
The materials crushed by the secondary crusher 5 are conveyed by the discharge conveyer belt 13 of the secondary crusher, conveyed by the transfer conveyer belt 18 of the secondary crusher, finally converged with the light materials discharged by the bounce separator 6, enter the final crusher, then jointly enter the drying and feeding conveyer belt 19, and finally enter a recycling workshop after being dried. The primary crusher 2 is provided with a primary crushing feeding conveyer belt 10, the bag breaking machine 3 is provided with a bag breaking feeding conveyer belt 11, the bounce screen 4 is provided with a bounce screen feeding conveyer belt 12, the secondary crusher 5 is provided with a secondary crushing back discharging conveyer belt 13, and the bounce separator 6 is provided with a bounce separator feeding conveyer belt 14. The magnetic separator 9 is respectively arranged above the feeding conveyer belt of the bounce screen and the feeding conveyer belt of the bounce separator and is close to the subsequent main equipment.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.