CN111922060B

CN111922060B - Integrated equipment for screening and crushing polluted soil and adding liquid medicine

Info

Publication number: CN111922060B
Application number: CN202010627842.5A
Authority: CN
Inventors: 龚庆碗; 倪晓静
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2022-03-29
Anticipated expiration: 2040-07-01
Also published as: CN111922060A

Abstract

The invention discloses a polluted soil screening and crushing and liquid dosing and mixing integrated device, which comprises: the device comprises a support, a conveying belt, a crushing mechanism, a screening mechanism, a mixing mechanism, a mounting frame and a liquid medicine preparation mechanism; the soil treatment device comprises a support, a conveying belt, a liquid medicine mixing mechanism, a screening mechanism, a mixing mechanism and a liquid medicine mixing mechanism, wherein the conveying belt is erected at one end of the top side of the support, the crushing mechanism is fixedly connected to the conveying frame of the conveying belt, the mounting frame is arranged at the other end of the top side of the support, the liquid medicine mixing mechanism is arranged on the top side of the mounting frame, the screening mechanism is arranged at one end of the mounting frame, and the mixing mechanism is arranged at the bottom side of one end of the mounting frame.

Description

Integrated equipment for screening and crushing polluted soil and adding liquid medicine

Technical Field

The invention relates to the technical field of soil improvement, in particular to a polluted soil screening, crushing and liquid dosing and mixing integrated device.

Background

The soil is an important component of ecological environment, along with the vigorous promotion of governments and environmental protection personnel, the importance of soil pollution remediation is increasingly highlighted, the soil pollutants can be roughly divided into two categories of inorganic pollutants and organic pollutants, when the soil contains excessive harmful substances and exceeds the self-cleaning capacity of the soil, the composition, the structure and the function of the soil can be changed, the microbial activity is inhibited, the harmful substances or decomposition products thereof are gradually accumulated in the soil and are absorbed by the human body through 'soil → plant → human body' or 'soil → water → human body' indirectly, and the degree of harming the health of the human body is reached, namely the soil pollution;

the invention discloses an all-in-one machine for restoring soil polluted by heavy metal, which is disclosed by the application publication No. CN104646406B, and integrates soil crushing, screening and leaching, so that labor force is saved, the operation of workers is facilitated, the soil polluted by heavy metal can be effectively restored, although the all-in-one operation can be realized, during screening, waste residues generated by screening are discharged everywhere, so that a screen is blocked, continuous operation cannot be continuously and stably carried out, and the treatment efficiency of the soil can be delayed;

the crushing sieve is suitable for repairing heavy metal contaminated soil, and has the application publication number of CN 109759213A.A gap is arranged between two soil crushing gears, an inlet is arranged right above the gap, a turntable is arranged right below the gap, and the turntable is provided with a plurality of soil crushing rods; the connecting pipe is communicated with the crushing chamber and the screening machine; the crushing and screening integrated machine suitable for repairing heavy metal contaminated soil has the advantages of high efficiency, and although the soil is treated, the supplement and the mixing of liquid medicine cannot be realized, the supplement and the improvement of the soil cannot be completed, and a better treatment effect cannot be achieved.

Along with the upgrading of the urban industry and the updating of cities, the soil remediation industry is developed vigorously, remediation projects are increased day by day, the pollution types are complex, the development of the remediation industry puts higher requirements on remediation technologies and equipment, a quick and efficient integrated treatment device is not arranged for soil treatment at the present stage, the soil can not be treated continuously by crushing, screening and adding medicine, each operation process is a single flow, the continuity is poor, the treatment is discontinuous, reciprocating feeding and discharging are needed, a large amount of manpower and material resources are consumed, the treatment efficiency is low, and the treatment effect is poor.

Disclosure of Invention

The invention solves the problem of providing the integrated equipment for screening and crushing the polluted soil and adding the liquid medicine, which can realize the operation of crushing, screening and adding the medicine to the soil, can continuously treat the soil and is convenient for treating the polluted soil, greatly improves the treatment efficiency through the integrated equipment, can purify the polluted soil more quickly and better protects the soil environment.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a pollute broken and liquid adds medicine and mixes integrated equipment of soil screening, includes: the device comprises a support, a conveying belt, a crushing mechanism, a screening mechanism, a mixing mechanism, a mounting frame and a liquid medicine preparation mechanism; the conveyer belt has been erect to the top side one end of support, the rigid coupling has broken mechanism on the conveying frame of conveyer belt, the top side other end at the support is installed to the mounting bracket, liquid medicine preparation mechanism installs the top side at the mounting bracket, screening mechanism installs the one end at the mounting bracket, compounding mechanism is installed to the one end bottom side of mounting bracket.

Preferably, broken mechanism includes broken motor and broken case, install initiative crushing roller between the bottom both sides inner wall of broken case, install two cooperation crushing rollers side by side between the top both sides inner wall of broken case, cooperation belt pulley and driving pulley are installed respectively to the same end of roller of cooperation crushing roller and initiative crushing roller, install broken motor through the bolt cooperation on one side tank wall of broken case, broken motor's the pivot passes through the shaft coupling cooperation with the roller other end of initiative crushing roller and is connected.

Preferably, the two matched crushing rollers and the driving crushing roller are arranged in an equal triangular shape, the two matched crushing rollers and the driving crushing roller are mutually matched, and the belt is matched and sleeved on the outer sides of the matched belt wheel and the driving belt wheel in a surrounding mode.

Preferably, screening mechanism includes a screening section of thick bamboo, the sieve mesh has been seted up on the circumference wall of a screening section of thick bamboo, the top outside cover of a screening section of thick bamboo is equipped with the cingulum, and the gyro wheel frame welds the top side of dress at the mounting bracket, the gyro wheel is installed through the shaft cooperation in the inside of gyro wheel frame, the top side at the mounting bracket is installed through the bolt cooperation to the motor that rolls, the gear that rolls is installed in the output tip cooperation of the motor that rolls, the funnel has been erect to the bottom side of a screening section of thick bamboo.

Preferably, the rolling gear is arranged on the bottom side of the toothed belt, the toothed belt and the rolling gear are of a meshed structure, and the cylinder walls at two ends of the screening cylinder are tangent to the circumferential surface of the roller respectively.

Preferably, the compounding mechanism includes a mixing barrel, install the compounding motor through the bolt cooperation on the top end face of mixing barrel, install the compounding lead screw through the shaft coupling cooperation in the pivot of compounding motor, the compounding lead screw is provided with inside the mixing barrel, the periphery top side at the mixing barrel is established to the reposition of redundant personnel pipe support, the guide plate welds the top periphery top side of dress at the mixing barrel, the guiding gutter has been seted up to the inside of guide plate, and the guiding gutter fit is inserted and is equipped with the flow distribution plate, the top side at the shunt tubes is installed through the bolt cooperation to the reposition of redundant personnel motor, the rim plate is installed in the pivot of reposition of redundant personnel motor, the side eccentric position at the rim plate is installed through the pin cooperation in the top of connecting rod, the bottom of connecting rod articulates on the top side of flow distribution plate.

Preferably, the bottom of shunt tubes is provided with a plurality of honeycomb ducts, the honeycomb ducts are fixed on the top side of the circumferential surface of the mixing barrel in sequence, and the top ends of the shunt tubes penetrate through the inside of one side of the guide plate.

Preferably, the liquid medicine preparation mechanism includes first reaction tank and second reaction tank, first reaction tank and second reaction tank are arranged side by side, the cooperation of finished product pond is installed in one side of first reaction tank, the another side bearer of finished product pond is equipped with the storage tank, the water tank erects the opposite side at the second reaction tank, be provided with the water pump between water tank and the second reaction tank, the both ends of water pump pass through the pipe intercommunication with water tank and second reaction tank respectively.

Preferably, an overflow groove is arranged between the first reaction tank and the second reaction tank, a diversion hole is arranged at the joint of the finished product tank and the first reaction tank, the storage tank and the finished product tank are communicated through a conduit, and the storage tank is connected with one side of the diversion plate through a conduit.

The invention has the beneficial effects that:

according to the invention, by arranging the crushing mechanism, soil is conveyed to the crushing box through the conveying belt, the crushing motor operates, and under the matched rotation of the matched crushing roller and the active crushing roller, the soil can be crushed, and the later-stage material mixing operation can be matched, so that the full mixing of a medicament and the soil is ensured;

through the arrangement of the screening mechanism, the rolling motor operates to drive the rolling gear to rotate, the screening barrel rolls, particles with proper sizes can be discharged through the screen holes, unqualified particles are discharged through the bottom port of the screening barrel, the soil is screened, mixed impurities in the soil are removed, the particles of the mixed soil are ensured to be equal, and the material mixing operation is facilitated;

through the arrangement of the mixing mechanism, the mixing motor operates to drive the mixing screw rod to rotate, so that soil can be lifted, and in the lifting process, the shunting motor operates to drive the wheel disc to rotate, so that intermittent input of liquid medicine can be ensured, the input liquid medicine is shunted through the shunting pipe, so that the soil is supplemented step by step, the soil and the liquid medicine can be fully mixed, soil hardening is avoided, and the mixing effect is improved;

by arranging the liquid medicine mixing mechanism, purified water in the water tank is conveyed into the second reaction tank, medicines are put into the second reaction tank for mixing, the mixed medicines flow into the first reaction tank, and the medicines are put again, so that the liquid medicine is mixed, and the liquid medicine can be matched to realize the medicament mixing operation;

according to the invention, by arranging the crushing mechanism, the screening mechanism, the mixing mechanism and the liquid medicine mixing mechanism, the soil crushing, screening and medicine adding mixing operation can be realized, the soil can be continuously treated, the treatment of the polluted soil is facilitated, the treatment efficiency is greatly improved through integrated equipment, the polluted soil can be more quickly purified, and the soil environment is better protected.

Drawings

FIG. 1 is an overall structure diagram of the contaminated soil screening, crushing and liquid dosing and mixing integrated equipment in the invention;

FIG. 2 is an internal structure diagram of a crushing mechanism in the whole polluted soil screening, crushing and liquid dosing and mixing integrated equipment;

FIG. 3 is a structural diagram of an integral screening mechanism of the integrated equipment for screening, crushing and liquid dosing and mixing of the polluted soil;

FIG. 4 is a structural diagram of a material mixing mechanism in the whole polluted soil screening, crushing and liquid dosing and mixing integrated equipment;

FIG. 5 is a structural diagram of an integral Chinese medicinal water preparation mechanism of the integrated equipment for screening, crushing and liquid dosing and mixing of the contaminated soil according to the present invention;

illustration of the drawings:

1. a support; 2. a conveyor belt; 3. a crushing mechanism; 4. a screening mechanism; 5. a material mixing mechanism; 6. a mounting frame; 7. a liquid medicine preparing mechanism; 31. a crushing motor; 32. a crushing box; 33. matching with a crushing roller; 34. an active crushing roller; 35. a belt pulley is matched; 36. a driving pulley; 37. a belt; 41. a screening drum; 42. screening holes; 43. a roller; 44. a toothed belt; 45. a tumbling motor; 46. a roll gear; 47. a roller frame; 48. a funnel; 51. a mixing barrel; 52. a material mixing screw rod; 53. a mixing motor; 54. a baffle; 55. a shunt tube; 56. a shunt motor; 57. a wheel disc; 58. a connecting rod; 59. a flow distribution plate; 71. a material storage tank; 72. a finished product pool; 73. a first reaction tank; 74. a second reaction tank; 75. a water tank; 76. and (4) a water pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Specific examples are given below.

Referring to fig. 1 to 5, an integrated device for screening, crushing and liquid dosing and mixing of contaminated soil comprises: the device comprises a support 1, a conveyor belt 2, a crushing mechanism 3, a screening mechanism 4, a mixing mechanism 5, a mounting frame 6 and a liquid medicine preparation mechanism 7; conveyer belt 2 has been erect to the top side one end of support 1, the rigid coupling has crushing mechanism 3 on the conveying frame of conveyer belt 2, the top side other end at support 1 is installed to mounting bracket 6, the top side at mounting bracket 6 is installed to liquid medicine dispensing mechanism 7, screening mechanism 4 installs the one end at mounting bracket 6, compounding mechanism 5 is installed to the one end bottom side of mounting bracket 6.

As an embodiment of the present invention, the crushing mechanism 3 includes a crushing motor 31 and a crushing box 32, a driving crushing roller 34 is installed between two side inner walls of the bottom of the crushing box 32, two matching crushing rollers 33 are installed between two side inner walls of the top of the crushing box 32 in parallel, a matching belt wheel 35 and a driving belt wheel 36 are installed at the same end of the roller shaft of the matching crushing roller 33 and the driving crushing roller 34 respectively, the crushing motor 31 is installed on one side wall of the crushing box 32 through a bolt in a matching manner, the rotating shaft of the crushing motor 31 is connected with the other end of the roller shaft of the driving crushing roller 34 through a coupling in a matching manner, the two matching crushing rollers 33 and the driving crushing roller 34 are arranged in an equal triangular shape, the two matching crushing rollers 33 and the driving crushing roller 34 are mutually engaged, the belt 37 is fittingly sleeved around the outer sides of the matching belt wheel 35 and the driving belt wheel 36, during operation carries soil to the top port department of broken case 32 through conveyer belt 2, and broken motor 31 operation drives the rotation of initiative crushing roller 34, can realize the rotation of driving pulley 36, and under the cooperation of belt 37, can drive two cooperation band pulleys 35 rotatoryly, under the cooperation rotation of cooperation crushing roller 33 with initiative crushing roller 34, can carry out the breakage to soil, can cooperate the compounding operation in later stage, guarantees medicament and soil intensive mixing.

As an embodiment of the present invention, the sieving mechanism 4 includes a sieving cylinder 41, a sieving hole 42 is formed in a circumferential wall of the sieving cylinder 41, a toothed belt 44 is sleeved outside a top of the sieving cylinder 41, a roller frame 47 is welded on a top side of the mounting frame 6, a roller 43 is installed inside the roller frame 47 through a wheel shaft, a rolling motor 45 is installed on the top side of the mounting frame 6 through a bolt, a rolling gear 46 is installed at an output end of the rolling motor 45, a hopper 48 is installed at a bottom side of the sieving cylinder 41, the rolling gear 46 is installed at a bottom side of the toothed belt 44, the toothed belt 44 and the rolling gear 46 are engaged with each other, cylinder walls at two ends of the sieving cylinder 41 are respectively tangent to a circumferential surface of the roller 43, when the sieving machine works, crushed soil crushed by the crushing box 32 is guided into a top end of the sieving cylinder 41 through a guide pipe, and the rolling motor 45 works, drive the gear 46 rotation that rolls, under the cooperation of cingulum 44, it is rotatory to drive a screening section of thick bamboo 41, the bottom side of screening section of thick bamboo 41 is provided with gyro wheel 43, can cooperate the support operation of rolling of realization to a screening section of thick bamboo 41, at the in-process of the rolling of a screening section of thick bamboo 41, can be with the suitable sieve mesh 42 discharge that passes through of particle size, unqualified bottom port through a screening section of thick bamboo 41 discharges, the realization is to the screening of soil, get rid of the interior mixed impurity of soil, guarantee that the granule of mixed soil is impartial, the compounding operation of being convenient for.

As an embodiment of the present invention, the mixing mechanism 5 includes a mixing barrel 51, a mixing motor 53 is installed on the top end surface of the mixing barrel 51 through a bolt, a mixing screw 52 is installed on the rotating shaft of the mixing motor 53 through a coupling, the mixing screw 52 is provided inside the mixing barrel 51, the shunt tube 55 is erected on the top side of the circumferential surface of the mixing barrel 51, the guide plate 54 is welded on the top side of the top circumferential surface of the mixing barrel 51, a guide groove is formed inside the guide plate 54, a shunt plate 59 is inserted into the guide groove in a matching manner, the shunt motor 56 is installed on the top side of the shunt tube 55 through a bolt in a matching manner, the wheel disc 57 is installed on the rotating shaft of the shunt motor 56, the top end of the connecting rod 58 is installed on the side eccentric position of the wheel disc 57 through a pin in a matching manner, the bottom end of the connecting rod 58 is hinged on the top side of the shunt plate 59, the bottom of shunt tubes 55 is provided with a plurality of honeycomb ducts, the periphery top side at compounding section of thick bamboo 51 is fixed in proper order to the honeycomb duct, inside one side at guide plate 54 is worn to establish on the top of shunt tubes 55, in operation, soil after the screening carries compounding section of thick bamboo 51's bottom through funnel 48, when carrying out the compounding, compounding motor 53 operation, it is rotatory to drive compounding lead screw 52, can promote soil, in the promotion process, shunt motor 56 operation, it is rotatory to drive rim plate 57, at the cooperation of connecting rod 58, can realize that flow distribution plate 59 slides from top to bottom in the guiding gutter, can guarantee the input of liquid medicine clearance formula, the liquid medicine of input passes through shunt tubes 55 reposition of redundant personnel, progressively mends the medicine to soil, mix and roll under the normal running fit of compounding lead screw 52, can guarantee soil and liquid medicine intensive mixing, avoid soil hardening, improve the compounding effect.

As an embodiment of the present invention, the liquid medicine preparing mechanism 7 includes a first reaction tank 73 and a second reaction tank 74, the first reaction tank 73 and the second reaction tank 74 are arranged in parallel, the finished product tank 72 is installed on one side of the first reaction tank 73 in a matching manner, the other side frame of the finished product tank 72 is provided with a storage tank 71, the water tank 75 is installed on the other side of the second reaction tank 74, a water pump 76 is arranged between the water tank 75 and the second reaction tank 74, two ends of the water pump 76 are respectively communicated with the water tank 75 and the second reaction tank 74 through a conduit, an overflow tank is arranged between the first reaction tank 73 and the second reaction tank 74, a diversion hole is arranged at a connection part of the finished product tank 72 and the first reaction tank 73, the storage tank 71 and the finished product tank 72 are communicated through a conduit, one side of the storage tank 71 and one side of the diversion plate 54 are connected through a conduit, and during operation, the water pump 76 works, carry the second reaction tank 74 with the water purification in the water tank 75 in, mix through putting into the medicine in the second reaction tank 74, the medicine of mixing flows into first reaction tank 73 in, put into the medicine once more, realize the allotment to liquid medicine, the liquid medicine that the allotment finishes is carried in finished product pond 72, the inspection of being convenient for detects, the liquid medicine of finished product pond 72 can be carried in the storage tank 71, carry the one side of guide plate 54 through the pressurization, can cooperate the realization medicament mixing operation.

The working principle is as follows: during operation, soil is conveyed to the top port of the crushing box 32 through the conveyor belt 2, the crushing motor 31 is operated to drive the driving crushing roller 34 to rotate, the rotation of the driving belt wheel 36 can be realized, the two matching belt wheels 35 can be driven to rotate under the matching of the belt 37, the soil can be crushed under the matching rotation of the matching crushing roller 33 and the driving crushing roller 34, the later-stage material mixing operation can be matched, the sufficient mixing of a medicament and the soil is ensured, the crushed soil after the crushing of the crushing box 32 enters the top end of the sieving cylinder 41 through the guide pipe in a guiding way, the rolling motor 45 is operated to drive the rolling gear 46 to rotate, the sieving cylinder 41 can be driven to rotate under the matching of the toothed belt 44, the bottom side of the sieving cylinder 41 is provided with the roller 43, the rolling operation of supporting the sieving cylinder 41 can be matched, and in the rolling process of the sieving cylinder 41, proper particle size can be discharged through the sieve mesh 42, unqualified soil is discharged through the bottom port of the screening cylinder 41, the soil is screened, mixed impurities in the soil are removed, the equal particles of the mixed soil are ensured, the material mixing operation is convenient, the screened soil is conveyed to the bottom end of the material mixing cylinder 51 through the funnel 48, when the material mixing is carried out, the material mixing motor 53 operates to drive the material mixing screw rod 52 to rotate, the soil can be lifted, the shunt motor 56 operates to drive the wheel disc 57 to rotate in the lifting process, the shunt plate 59 can slide up and down in the diversion trench through the matching of the connecting rod 58, the intermittent input of liquid medicine can be ensured, the input liquid medicine is shunted through the shunt pipe 55, the soil is supplemented with the medicine step by step, the mixing and rolling are carried out under the rotation matching of the material mixing screw rod 52, the soil and the liquid medicine can be ensured to be fully mixed, the soil is prevented from being hardened, the material mixing effect is improved, the purified water in the water tank 75 is conveyed into the second reaction tank 74 through the operation of the water pump 76, through throwing in the medicine in second reaction tank 74 and mixing, mixed medicine flows into first reaction tank 73 in, throws in the medicine once more, realizes the allotment to liquid medicine, and the liquid medicine that the allotment finishes is carried in finished product pond 72, and the inspection of being convenient for detects, and the liquid medicine of finished product pond 72 can be carried in storage tank 71, carries the one side of guide plate 54 through the pressurization, can cooperate the realization medicament mixing operation.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a pollute broken and liquid medicine that add of soil screening mixes integration equipment which characterized in that includes: the device comprises a support (1), a conveyor belt (2), a crushing mechanism (3), a screening mechanism (4), a mixing mechanism (5), a mounting rack (6) and a liquid medicine preparation mechanism (7); a conveyor belt (2) is erected at one end of the top side of the support (1), a crushing mechanism (3) is fixedly connected to the conveyor frame of the conveyor belt (2), the mounting frame (6) is mounted at the other end of the top side of the support (1), the liquid medicine mixing mechanism (7) is mounted at the top side of the mounting frame (6), the screening mechanism (4) is mounted at one end of the mounting frame (6), and a mixing mechanism (5) is mounted at the bottom side of one end of the mounting frame (6);

the liquid medicine mixing mechanism (7) comprises a first reaction tank (73) and a second reaction tank (74), the first reaction tank (73) and the second reaction tank (74) are arranged in parallel, one side of a finished product tank (72) is installed on one side of the first reaction tank (73) in a matching mode, a storage tank (71) is arranged on the other side frame of the finished product tank (72), a water tank (75) is erected on one side of the second reaction tank (74), a water pump (76) is arranged between the water tank (75) and the second reaction tank (74), and two ends of the water pump (76) are respectively communicated with the water tank (75) and the second reaction tank (74) through guide pipes;

an overflow groove is arranged between the first reaction tank (73) and the second reaction tank (74), a diversion hole is arranged at the joint of the finished product tank (72) and the first reaction tank (73), the storage tank (71) is communicated with the finished product tank (72) through a conduit, and the storage tank (71) is connected with one side of the diversion plate (54) through a conduit;

the crushing mechanism (3) comprises a crushing motor (31) and a crushing box (32), an active crushing roller (34) is arranged between the inner walls of the two sides of the bottom of the crushing box (32), two matched crushing rollers (33) are arranged between the inner walls of the two sides of the top of the crushing box (32) in parallel, the same ends of the roll shafts of the matched crushing roll (33) and the driving crushing roll (34) are respectively provided with a matched belt wheel (35) and a driving belt wheel (36), a crushing motor (31) is arranged on the box wall at one side of the crushing box (32) in a matching way through a bolt, the rotating shaft of the crushing motor (31) is connected with the other end of the roll shaft of the active crushing roll (34) in a matching way through a shaft coupling, the two matched crushing rolls (33) and the active crushing roll (34) are arranged in an equal triangular way, the two matched crushing rollers (33) are mutually matched with the driving crushing roller (34), and a belt (37) is matched, surrounded and sleeved on the outer sides of the matched belt wheel (35) and the driving belt wheel (36);

the screening mechanism (4) comprises a screening barrel (41), a screen hole (42) is formed in the circumferential wall of the screening barrel (41), a toothed belt (44) is sleeved on the outer side of the top of the screening barrel (41), a roller frame (47) is welded on the top side of the mounting frame (6), a roller (43) is installed inside the roller frame (47) in a matched mode through a wheel shaft, a rolling motor (45) is installed on the top side of the mounting frame (6) in a matched mode through bolts, a rolling gear (46) is installed at the output end portion of the rolling motor (45) in a matched mode, a funnel (48) is installed on the bottom side of the screening barrel (41), the rolling gear (46) is arranged on the bottom side of the toothed belt (44), the toothed belt (44) and the rolling gear (46) are of meshed structures, and the barrel walls of the two ends of the screening barrel (41) are tangent to the circumferential surface of the roller (43) respectively;

the mixing mechanism (5) comprises a mixing barrel (51), a mixing motor (53) is installed on the top end face of the mixing barrel (51) through bolt matching, a mixing screw rod (52) is installed on a rotating shaft of the mixing motor (53) through coupling matching, the mixing screw rod (52) is arranged inside the mixing barrel (51), a shunt pipe (55) is erected on the top side of the circumferential surface of the mixing barrel (51), a guide plate (54) is welded on the top side of the circumferential surface of the mixing barrel (51), a guide groove is formed in the guide plate (54), a shunt plate (59) is inserted in the guide groove in a matching manner, the shunt motor (56) is installed on the top side of the shunt pipe (55) through bolt matching, a wheel disc (57) is installed on the rotating shaft of the shunt motor (56), and the top end of a connecting rod (58) is installed on the side eccentric position of the wheel disc (57) through pin matching, the bottom end of the connecting rod (58) is hinged to the top side of the flow distribution plate (59), the bottom end of the flow distribution pipe (55) is provided with a plurality of flow guide pipes, the flow guide pipes are sequentially fixed to the top side of the circumferential surface of the mixing barrel (51), and the top end of the flow distribution pipe (55) penetrates through the inner portion of one side of the flow guide plate (54).