CN111889494A

CN111889494A - Garbage sorting system

Info

Publication number: CN111889494A
Application number: CN202010870459.2A
Authority: CN
Inventors: 不公告发明人
Original assignee: Fuzhou Jiede Environmental Technology Co ltd
Current assignee: Fujian Longyan Longqing Environmental Protection Technology Co.,Ltd.
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2020-11-06

Abstract

The invention provides a garbage sorting system which comprises a receiving hopper with an open upper surface, a drum screen, a sand box, a first dewatering screen and a second dewatering screen, wherein the drum screen inclines upwards from left to right, the sand box is positioned under the drum screen, the upper surface of the sand box is open, a first conveying auger is arranged at the bottom in the receiving hopper, the outlet of the first conveying auger penetrates through the front surface of the receiving hopper and extends out of the receiving hopper, a second conveying auger is arranged below the first conveying auger, a first hopper used for receiving materials output by the first conveying auger is arranged on the second conveying auger, the discharge port of the second conveying auger falls into the feed port of the drum screen, and the feed hopper of the first dewatering screen and the discharge port of the drum screen are correspondingly arranged; the conveying screw is positioned at the bottom of the sand caisson in the sand caisson and inclines upwards; the garbage sorting device is simple in structure, convenient and fast to operate, and capable of better and finely sorting garbage.

Description

Garbage sorting system

Technical Field

The invention relates to the technical field of environmental sanitation equipment, in particular to a garbage sorting system.

Background

With the development and expansion of cities, the cleaning of urban roads brings little pressure to environmental sanitation departments, and at present, the cleaning of the roads is mainly realized by depending on urban motor-driven sweepers which are divided into a dry type and a wet type, wherein the wet type motor-driven sweepers are filled with a large amount of water and also a large amount of silt, branches, leaves and the like.

In the engineering field, the garbage is generally called as high-humidity mixed garbage and has the following characteristics:

1. the mixed receiving components are complex, and the content of the bagged materials is high;

2. the water content is large, the average water content is 50 percent, and the limit water content is up to 70 percent;

3. the contents of kitchen waste and residue soil are high, and the separation and dehydration difficulty is high;

4. the content of perishable substances is high, and serious secondary pollution is caused by improper treatment.

Therefore, the core technology of domestic garbage recycling treatment lies in the effective sorting and deep dehydration process of garbage.

The existing garbage sorting and classification mainly depends on screening and manual sorting, is influenced by garbage components and moisture, and a rotary screen often blocks holes in actual work, and if the moisture is large, the garbage is agglomerated into balls in a crisp way, so that the good classification effect of the garbage can not be realized.

The existing method for deeply dehydrating the garbage mainly adopts a method of combining leaching and fermentation, and mainly has the following problems:

1. the operation environment is severe, and the secondary pollution is serious: the method of draining and fermentation evaporation for removing water has long period, large odor gas discharge amount, large garbage percolate generation amount, extremely high COD and BOD content in the percolate and high treatment cost;

2. the use performance of the fermentation product is extremely unstable under the influence of the change of water in the garbage.

Due to the complex components of the garbage, the garbage sorting method in the prior art cannot sort the garbage accurately and thoroughly in the garbage sorting process.

Disclosure of Invention

In view of the above, the present invention provides a garbage sorting system capable of sorting garbage.

The invention is realized by adopting the following method: a garbage sorting system is characterized in that: the device comprises a receiving hopper with an open upper surface, a rotary screen inclined upwards from left to right, a sand setting box, a first dewatering screen and a second dewatering screen, wherein the sand setting box is positioned under the rotary screen, the upper surface of the sand setting box is open, the first dewatering screen and the second dewatering screen are positioned, a first conveying auger is arranged at the bottom in the receiving hopper, the outlet of the first conveying auger penetrates through the front surface of the receiving hopper and extends out of the receiving hopper, a second conveying auger is arranged below the first conveying auger, a first hopper used for receiving materials from the outlet of the first conveying auger is arranged on the second conveying auger, the discharge port of the second conveying auger falls into the feed port of the rotary screen, and the feed hopper of the first dewatering screen is arranged corresponding to the discharge port of the rotary screen; the conveying screw is positioned at the bottom of the sand sediment box and is inclined upwards in the sand sediment box, and a discharge port of the conveying screw extends out of the sand sediment box and is positioned on the feed side of the second dewatering screen; the device comprises a first dewatering screen, a second dewatering screen, a sand settling tank, a third storage mechanism, a fourth storage mechanism, a fifth storage mechanism and a sixth storage mechanism.

Further, the cover is equipped with first transport sleeve on the first transport auger, the cover is equipped with the second transport sleeve on the second transport auger, first hopper set up in the left end on the second transport sleeve periphery lateral wall.

Further, first mechanism of depositing includes second hopper and third transport sleeve, the second hopper set up in on the telescopic feed inlet is carried to the third, the feed inlet of second hopper set up in under the discharge gate of first dewatering screen, be provided with the third in the third transport sleeve and carry the auger, the third transport sleeve right-hand member face is provided with and is used for the drive the first motor of auger is carried to the third, the telescopic discharge gate below is carried to the third is provided with first connecing the workbin, first connecing be provided with on the workbin with the telescopic discharge gate matched with third hopper is carried to the third, first connecing is provided with first hopper formula lifting machine on the workbin, be provided with under the discharge gate of first hopper formula lifting machine that the upper surface is opened and be used for receiving the first storage case of the material of first hopper formula lifting machine.

Further, the mechanism is deposited to second includes fourth hopper and fourth conveying sleeve, the fourth hopper set up in on the telescopic feed inlet is carried to the fourth, the feed inlet of fourth hopper set up in under the discharge gate of second dewatering screen, be provided with the fourth in the fourth conveying sleeve and carry the auger, fourth conveying sleeve right-hand member face is provided with and is used for the drive the second motor of auger is carried to the fourth, the telescopic discharge gate below is carried to the fourth is provided with the second and connects the workbin, the second connect be provided with on the workbin with the fourth carries telescopic discharge gate matched with fifth hopper, the second connects to be provided with second bucket elevator on the workbin, be provided with under the discharge gate of second bucket elevator that the upper surface is opened and be used for receiving the second storage case of second bucket elevator's material.

Further, the third storage mechanism comprises a sludge pump, a sludge dewatering centrifuge and a third storage box, the sludge pump is arranged at the lower end of the right side face of the advection type sedimentation tank, the sludge pump is connected with the sludge dewatering centrifuge through a pipeline, a fifth conveying sleeve is arranged under the discharge port of the sludge dewatering centrifuge, a sixth hopper is arranged on the peripheral side wall of the fifth conveying sleeve, the feed port of the sixth hopper corresponds to the discharge port of the sludge dewatering centrifuge, a fifth conveying auger is arranged in the fifth conveying sleeve, a third motor for driving the fifth conveying auger is arranged on the lower surface of the sludge dewatering centrifuge, a third material receiving box is arranged under the fifth conveying sleeve, a seventh hopper is arranged on the third material receiving box, the feed port of the seventh hopper is matched with the discharge port of the fifth conveying sleeve, and the discharge hole of the fifth conveying sleeve is arranged right above the feed hole of the seventh hopper, a third bucket elevator is arranged on the third material receiving box, and a third material storage box with an opened upper surface and used for receiving materials of the third bucket elevator is arranged right below the discharge hole of the third bucket elevator.

Furthermore, multiple rows of discharge holes are formed in the peripheral side wall of the rotary screen at equal distances, internal threads for conveying materials are arranged on the inner peripheral side wall of the rotary screen, a material retaining ring is arranged at the feed end of the rotary screen, and the aperture range of the discharge holes is 4-15 mm.

Furthermore, a plurality of spray heads are distributed in the drum screen at equal intervals, and the spray heads and the discharge holes are arranged in a staggered mode.

Further, both ends are all erect and are used for supporting the U-shaped support frame of drum sieve about the sandbox outside, the horizontal pole of U-shaped support frame is located the sandbox top, both ends all are provided with two supporting blocks about the horizontal pole upper surface of U-shaped support frame, two supporting block bilateral symmetry set up, be provided with the gyro wheel between two supporting blocks, the roller sieve erects on the gyro wheel at both ends about, both ends all are provided with and are used for driving around the horizontal pole left surface of left end U-shaped support frame gyro wheel pivoted fourth motor, and the horizontal pole height of left end U-shaped support frame is less than the horizontal pole height of right-hand member U-shaped support frame.

Further, an inclined plate which inclines upwards from left to right is arranged at the bottom in the sand sediment box, an inclined angle A is formed between the inclined plate and the inner bottom surface of the sand sediment box, and the range of the inclined angle A is 15-45 degrees.

The invention has the beneficial effects that: according to the invention, the receiving hopper, the rotary screen, the sand settling box, the horizontal flow type sedimentation tank and the sewage tank are added into the device, so that workers can put garbage into the receiving hopper and can better sort the garbage through the rotary screen, the sand settling box, the horizontal flow type sedimentation tank and the sewage tank in sequence, thereby realizing fine and thorough sorting of the garbage; the garbage sorting device can realize the garbage sorting function, effectively classify recyclable and non-recyclable garbage in the garbage, improve the resource utilization efficiency, prevent secondary pollution generated in the garbage sweeping and sorting process, and greatly reduce the labor intensity of workers; the recovery rate and the recovery purity of each component in the garbage are improved, the resource utilization of the garbage is realized, the garbage sorting effect and the resource utilization of the garbage are improved, the reduction, the harmlessness and the resource of the garbage treatment can be better realized, the sorting efficiency is high, the garbage is sorted in multiple stages, and the accuracy and the high efficiency of the garbage sorting are realized.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the trommel and the sand box.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

Referring to fig. 1 and 2, the present invention provides an embodiment: a garbage sorting system comprises a receiving hopper 1 with an open upper surface, a rotary screen 2 inclined upwards from left to right, a sand settling tank 3, a first dewatering screen 4 and a second dewatering screen 5, wherein the sand settling tank is positioned under the rotary screen 2, the upper surface of the sand settling tank is open, a first conveying auger (not shown) is arranged at the bottom in the receiving hopper 1, the outlet of the first conveying auger penetrates through the front surface of the receiving hopper 1 and extends out of the receiving hopper 1, a second conveying auger (not shown) is arranged below the first conveying auger, a first hopper 11 for receiving materials from the outlet of the first conveying auger is arranged on the second conveying auger, the discharge port of the second conveying auger falls into the feed port of the rotary screen 2, and the feed hopper of the first dewatering screen 4 is arranged corresponding to the discharge port of the rotary screen 2; the conveying screw 31 is positioned at the bottom of the sand caisson and is inclined upwards in the sand caisson 3, and a discharge port of the conveying screw 31 extends out of the sand caisson 3 and is positioned on a feed side of the second dewatering screen 5; a first storage mechanism 6 is arranged below a discharge port of the first dewatering screen 4, a second storage mechanism 7 is arranged below a discharge port of the second dewatering screen 5, the sand settling tank 3 is connected with a sewage tank 32 through a pipeline, the sewage tank 32 is connected with a horizontal flow type sedimentation tank 33 through a pipeline, the horizontal flow type sedimentation tank 33 is connected with a third storage mechanism 8, and the horizontal flow type sedimentation tank 33 is connected with a clean water tank 34 through a pipeline. The working personnel pours the wet garbage into the receiving hopper 1, the wet garbage is conveyed into the first hopper 11 under the action of the first conveying auger, the wet garbage is conveyed onto the second conveying auger through the first hopper 11, the second conveying auger conveys the wet garbage into the drum screen 2 for screening, water and silt are screened into the sand settling tank 3 for sedimentation, then the large-volume wet garbage is conveyed into the first dewatering screen 4 for dewatering operation, the large-volume garbage is stored through the first storage mechanism 6 after the dewatering operation, the working personnel subsequently treat, the silt settled at the bottom of the sand settling tank 3 is conveyed into the second dewatering screen 5 under the action of the conveying auger 31 for dewatering operation, the dewatered sand is stored and recovered through the second storage mechanism 7, the sewage at the upper part of the sand settling tank 3 is conveyed into the sewage tank 32 through a pipeline, the sewage tank 32 conveys the sewage into the advection type sedimentation tank 33 for treatment, after treatment, clear water at the upper part of the horizontal sedimentation tank 33 is conveyed into a clear water tank 34 for storage, and then sludge at the bottom is treated and stored by the third storage mechanism 8, so that garbage sorting is realized.

Referring to fig. 1 and fig. 2, in an embodiment of the present invention, a first conveying sleeve 12 is sleeved on the first conveying auger, a second conveying sleeve 13 is sleeved on the second conveying auger, and the first hopper 11 is disposed at the left end of the outer peripheral sidewall of the second conveying sleeve 13. So that a better conveying action of the material is possible by the action of the first and

second conveying sleeves

12, 13. The left end face of the second conveying sleeve 13 is fixedly provided with a fifth motor 10 for driving the second conveying auger, and the rear end face of the material receiving hopper 1 is provided with a sixth motor (not shown) for driving the first conveying auger.

Referring to fig. 1, in an embodiment of the present invention, the first storage mechanism 6 includes a second hopper 61 and a third conveying sleeve 62, the second hopper 61 is disposed on a feeding port of the third conveying sleeve 62, a feeding port of the second hopper 61 is disposed under a discharging port of the first dewatering screen 4, a third conveying auger (not shown) is disposed in the third conveying sleeve 62, a first motor 63 for driving the third conveying auger is disposed on a right end surface of the third conveying sleeve 62, a first receiving box 64 is disposed under the discharging port of the third conveying sleeve 62, a third hopper 65 matched with the discharging port of the third conveying sleeve 62 is disposed on the first receiving box 64, a first bucket elevator 66 is disposed on the first receiving box 64, and a first storage box having an open upper surface and used for receiving materials of the first bucket elevator 66 is disposed under the discharging port of the first bucket elevator 66 67. So that the sand dehydrated by the first dewatering screen 4 can be conveyed into the third conveying sleeve 62 through the second hopper 61, the first motor 63 is started, the third conveying auger is started by the first motor 63 to convey the sand into the first material receiving box 64, and the sand in the first material receiving box 64 is conveyed into the first material storage box 67 for storage through the first bucket elevator 66 by starting the first bucket elevator 66.

Referring to fig. 1, in an embodiment of the present invention, the second storage mechanism 7 includes a fourth hopper 71 and a fourth conveying sleeve 72, the fourth hopper 71 is disposed on a feeding port of the fourth conveying sleeve 72, a feeding port of the fourth hopper 71 is disposed under a discharging port of the second dewatering screen 5, a fourth conveying auger (not shown) is disposed in the fourth conveying sleeve 72, a second motor 73 for driving the fourth conveying auger is disposed on a right end surface of the fourth conveying sleeve 72, a second receiving box 74 is disposed under the discharging port of the fourth conveying sleeve 72, a fifth hopper 75 matched with the discharging port of the fourth conveying sleeve 72 is disposed on the second receiving box 74, a second bucket elevator 76 is disposed on the second receiving box 74, and a second box storage box having an open upper surface and configured to receive materials of the second bucket elevator 76 is disposed under the discharging port of the second bucket elevator 76 77. The sand dehydrated by the second dewatering screen 5 can be conveyed into the fourth conveying sleeve 72 through the fourth hopper 71, the second motor 73 is started, the fourth conveying auger is started by the second motor 73 to convey the sand into the second material receiving box 74, and the sand in the second material receiving box 74 is conveyed into the second material storage box 77 for storage through the second bucket elevator 76 by starting the second bucket elevator 76.

Referring to fig. 1, in an embodiment of the present invention, the third storage mechanism 8 includes a sludge pump 81, a sludge dewatering centrifuge 82 and a third storage box 83, the sludge pump 81 is disposed at a lower end of a right side surface of the horizontal sedimentation tank 33, the sludge pump 81 is connected to the sludge dewatering centrifuge 82 through a pipeline, a fifth conveying sleeve 84 is disposed right below a discharge port of the sludge dewatering centrifuge 82, a sixth hopper 85 is disposed on a peripheral sidewall of the fifth conveying sleeve 84, a feed port of the sixth hopper 85 corresponds to the discharge port of the sludge dewatering centrifuge 82, a fifth conveying auger (not shown) is disposed in the fifth conveying sleeve 84, a third motor 86 for driving the fifth conveying auger is disposed on a lower surface of the sludge dewatering centrifuge 82, a third material receiving box 87 is disposed below the fifth conveying sleeve 84, the third connects and is provided with seventh hopper 88 on the workbin 87, the feed inlet of seventh hopper 88 with the discharge gate of fifth conveying sleeve 84 cooperatees, just the discharge gate of fifth conveying sleeve 84 set up in directly over the feed inlet of seventh hopper 88, be provided with third bucket elevator 89 on the workbin 87 is met to the third, be provided with the upper surface under the discharge gate of third bucket elevator 89 and open and be used for receiving the material of third bucket elevator 89 third storage case 83. So that the effect through sludge pump 81 can take the mud of advection sedimentation tank 33 bottom out, take the mud out through the pipeline and carry to in sludge dewatering centrifuge 82, can dewater mud through sludge dewatering centrifuge 82's effect, the moisture of deviating from can directly be saved in pipeline transport to clear water pond 34, the mud after the dehydration is carried to fifth transport sleeve 84 in through sludge dewatering centrifuge 82, through opening third motor 86, third motor 86 drives the fifth transport auger and rotates, carry mud to third material receiving box 87 in, carry the mud in the third material receiving box 87 to third storage case 83 through the effect of third bucket elevator 89 and store.

Referring to fig. 2, in an embodiment of the present invention, a plurality of rows of discharge holes 21 are formed in the outer peripheral sidewall of the drum screen 2 at equal distances, the inner peripheral sidewall of the drum screen 2 is provided with internal threads 22 for transmitting materials, a material retaining ring 23 is disposed at the feeding end of the drum screen 2, and the aperture of each discharge hole 21 is in a range of 4mm to 15 mm. The drum sieve 2 can be discharged from water and sand through the discharge hole 21 and enters the sand sediment box 3, and the drum sieve 2 can convey garbage when rotating under the action of the internal thread 22, so that the materials are conveyed from a low position to a high position under the action of the material retaining ring 23 due to the upward inclined arrangement of the drum sieve 2.

Referring to fig. 2, in an embodiment of the present invention, a plurality of spray headers 24 are equidistantly disposed in the drum screen 2, and the spray headers 24 and the discharge holes 21 are staggered. The inside of the drum screen 2 can be cleaned under the action of the spray header 24 after the drum screen 2 finishes material transmission, and the spray header 24 supplies water through the clean water tank 34.

As shown in fig. 1 and fig. 2, in an embodiment of the present invention, U-shaped support frames 9 for supporting the drum screen 2 are respectively erected at the left and right ends of the outer side of the sand caisson 3, a cross bar of the U-shaped support frame 9 is located above the sand caisson 3, two support blocks 91 are respectively disposed at the left and right ends of the upper surface of the cross bar of the U-shaped support frame 9, the two support blocks 91 are arranged in bilateral symmetry, a roller 92 is disposed between the two support blocks 91, the drum screen 2 is erected on the roller 92 at the left and right ends, fourth motors 93 for driving the roller 92 to rotate are disposed at the front and rear ends of the left side surface of the cross bar of the left-end U-shaped support frame 9, and the height of the cross bar of the left-end U-shaped support frame 9 is lower than the height of. Make fourth motor 93 can drive the gyro wheel rotation of left end U-shaped support frame 9 to drive drum sieve 2 and rotate, drum sieve 2 rotates and can drive the gyro wheel rotation on the right-hand member U-shaped support frame 9, makes the rotation that drum sieve 2 can be better, and drum sieve 2 can transport the operation to the material like this.

Referring to fig. 2, in an embodiment of the present invention, an inclined plate 35 that is inclined upward from left to right is disposed at the bottom of the sand box 3, and the inclined plate 35 and the bottom surface of the sand box 3 form an inclined angle a, where the inclined angle a is between 15 ° and 45 °. So that the sediment at the bottom of the sand box 3 can be better conveyed by the conveying screw 31 through the action of the inclined plate 35, and the inclination of the conveying screw 31 is the same as that of the inclined plate 35.

The motor, the drum screen, the sand settling tank, the horizontal sedimentation tank, the sludge pump, the sludge dewatering centrifuge, the conveying auger, the conveying screw, the dewatering screen and the bucket elevator adopted in the invention are all the prior art, and the motor, the drum screen, the sand settling tank, the horizontal sedimentation tank, the sludge pump, the sludge dewatering centrifuge, the conveying auger, the conveying screw, the dewatering screen and the bucket elevator are clearly understood by those skilled in the art and are not described.

The use method of the garbage sorting system comprises the following steps:

step S1, when in use, a worker pours the wet garbage into the receiving hopper, the wet garbage is conveyed to the first hopper through the first conveying auger, the wet garbage falls into the second conveying sleeve through the first hopper, and the wet garbage is conveyed into the drum screen through the second conveying auger;

step S2, a fourth motor is started, the fourth motor drives a roller to rotate, the roller rotates to drive a drum screen to rotate, and moisture and fine particles of wet garbage in the drum screen fall into a sand sediment box through a discharge hole;

step S3, conveying the large wet garbage such as leaves to a first dewatering screen by a rotary screen for dewatering, conveying the large wet garbage to a second hopper by the first dewatering screen after dewatering, conveying the material to a third conveying sleeve by the second hopper, starting a first motor, conveying the material to a third hopper by a third conveying auger, and conveying the large wet garbage after dewatering to a first storage box by a first bucket elevator for storage;

s4, settling sand through a sand settling box, conveying the sand to a second dewatering screen through a conveying screw for dewatering after settling, conveying the sand to a fourth hopper through the second dewatering screen after dewatering, conveying the sand to a fourth conveying sleeve through the fourth hopper, starting a second motor, conveying the sand to a fifth hopper through a fourth conveying auger, putting the sand into a second material receiving box, starting a second bucket elevator, conveying the dewatered sand to a second storage box for storage, and conveying water separated by the first dewatering screen and the second dewatering screen to a sewage pool through a pipeline;

s5, conveying the water on the upper layer after the sediment box is precipitated into a sewage tank through a pipeline, conveying the sewage into a horizontal flow type sedimentation tank through the pipeline by the sewage tank, treating the sewage under the action of the horizontal flow type sedimentation tank, and conveying the clean water on the upper layer to a clean water tank through the pipeline after the sedimentation treatment;

step S6, starting a sludge pump after sedimentation, pumping out sludge in the horizontal flow sedimentation tank, conveying the sludge to a sludge dewatering centrifuge through a pipeline for frequent dewatering treatment, and conveying water dewatered by the sludge dewatering centrifuge to a clean water tank through a pipeline;

and S7, conveying the dewatered sludge to a sixth hopper, conveying the dewatered sludge to a fifth conveying sleeve through the sixth hopper, starting a third motor, conveying the sludge to a seventh hopper through a fifth conveying auger, storing the sludge in a third material receiving box through the seventh hopper, and conveying the sludge in the third material receiving box to a third material storage box through a third bucket elevator for storage, so that the garbage sorting operation is realized.

The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.

Claims

1. A garbage sorting system is characterized in that: the device comprises a receiving hopper with an open upper surface, a rotary screen inclined upwards from left to right, a sand setting box, a first dewatering screen and a second dewatering screen, wherein the sand setting box is positioned under the rotary screen, the upper surface of the sand setting box is open, the first dewatering screen and the second dewatering screen are positioned, a first conveying auger is arranged at the bottom in the receiving hopper, the outlet of the first conveying auger penetrates through the front surface of the receiving hopper and extends out of the receiving hopper, a second conveying auger is arranged below the first conveying auger, a first hopper used for receiving materials from the outlet of the first conveying auger is arranged on the second conveying auger, the discharge port of the second conveying auger falls into the feed port of the rotary screen, and the feed hopper of the first dewatering screen is arranged corresponding to the discharge port of the rotary screen; the conveying screw is positioned at the bottom of the sand sediment box and is inclined upwards in the sand sediment box, and a discharge port of the conveying screw extends out of the sand sediment box and is positioned on the feed side of the second dewatering screen; the device comprises a first dewatering screen, a second dewatering screen, a sand settling tank, a third storage mechanism, a fourth storage mechanism, a fifth storage mechanism and a sixth storage mechanism.

2. A waste sorting system according to claim 1, wherein: the cover is equipped with first transport sleeve on the first transport auger, the cover is equipped with the second on the second transport auger and carries sleeve, first hopper set up in the second carries sleeve periphery lateral wall upper left end.

3. A waste sorting system according to claim 1, wherein: first mechanism of depositing includes second hopper and third transport sleeve, the second hopper set up in on the telescopic feed inlet is carried to the third, the feed inlet of second hopper set up in under the discharge gate of first dewatering screen, be provided with the third in the third transport sleeve and carry the auger, the third transport sleeve right-hand member face is provided with and is used for the drive the first motor of auger is carried to the third, the telescopic discharge gate below is carried to the third is provided with first connecing the workbin, first connecing be provided with on the workbin with telescopic discharge gate matched with third hopper is carried to the third, first connecing is provided with first fill formula lifting machine on the workbin, be provided with under the discharge gate of first fill formula lifting machine that the upper surface is opened and be used for receiving the first storage case of the material of first fill formula lifting machine.

4. A waste sorting system according to claim 1, wherein: the mechanism is deposited to second includes fourth hopper and fourth transport sleeve, the fourth hopper set up in on the fourth transport sleeve's feed inlet, the feed inlet of fourth hopper set up in under the discharge gate of second dewatering screen, be provided with the fourth in the fourth transport sleeve and carry the auger, fourth transport sleeve right-hand member face is provided with and is used for the drive the second motor of auger is carried to the fourth, the fourth is carried telescopic discharge gate below and is provided with the second and connects the workbin, the second connect be provided with on the workbin with fourth transport sleeve's discharge gate matched with fifth hopper, the second connects and is provided with second bucket elevator on the workbin, be provided with under the discharge gate of second bucket elevator that the upper surface is opened and be used for receiving the second storage case of second bucket elevator's material.

5. A waste sorting system according to claim 1, wherein: the third storage mechanism comprises a sludge pump, a sludge dewatering centrifuge and a third storage box, the sludge pump is arranged at the lower end of the right side face of the advection type sedimentation tank, the sludge pump is connected with the sludge dewatering centrifuge through a pipeline, a fifth conveying sleeve is arranged under the discharge port of the sludge dewatering centrifuge, a sixth hopper is arranged on the peripheral side wall of the fifth conveying sleeve, the feed inlet of the sixth hopper corresponds to the discharge port of the sludge dewatering centrifuge, a fifth conveying auger is arranged in the fifth conveying sleeve, a third motor for driving the fifth conveying auger is arranged on the lower surface of the sludge dewatering centrifuge, a third material receiving box is arranged under the fifth conveying sleeve, a seventh hopper is arranged on the third material receiving box, the feed inlet of the seventh hopper is matched with the discharge port of the fifth conveying sleeve, and the discharge hole of the fifth conveying sleeve is arranged right above the feed hole of the seventh hopper, a third bucket elevator is arranged on the third material receiving box, and a third material storage box with an opened upper surface and used for receiving materials of the third bucket elevator is arranged right below the discharge hole of the third bucket elevator.

6. A waste sorting system according to claim 1, wherein: multiple rows of discharge holes are formed in the peripheral side wall of the rotary screen at equal distances, internal threads for conveying materials are formed in the inner peripheral side wall of the rotary screen, a material retaining ring is arranged at the feeding end of the rotary screen, and the aperture range of the discharge holes is 4-15 mm.

7. A waste sorting system according to claim 6, wherein: a plurality of spray heads are distributed in the drum screen at equal intervals, and the spray heads and the discharge holes are arranged in a staggered mode.

8. A waste sorting system according to claim 1, wherein: the utility model discloses a screening device, including a sand caisson, drum sieve, two supporting blocks, drum sieve, roller screen, drum sieve, motor, power supply, the U-shaped support frame that is used for supporting the drum sieve is all erect at both ends about the sand caisson outside, the horizontal pole of U-shaped support frame is located the sand caisson top, both ends all are provided with two supporting blocks about the horizontal pole upper surface of U-shaped support frame, two supporting block bilateral symmetry sets up, be provided with the gyro wheel between two supporting blocks, the drum sieve erects on the gyro wheel at both ends about, and both ends all are provided with and are used.

9. A waste sorting system according to claim 1, wherein: the bottom in the sand sediment box is provided with an inclined plate which inclines upwards from left to right, the inclined plate and the inner bottom surface of the sand sediment box form an inclined angle A, and the inclined angle A ranges from 15 degrees to 45 degrees.