CN110744750A - Material crushing and grading equipment - Google Patents

Material crushing and grading equipment Download PDF

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Publication number
CN110744750A
CN110744750A CN201911037538.9A CN201911037538A CN110744750A CN 110744750 A CN110744750 A CN 110744750A CN 201911037538 A CN201911037538 A CN 201911037538A CN 110744750 A CN110744750 A CN 110744750A
Authority
CN
China
Prior art keywords
stage
filter screen
stirring
stirring chamber
crushing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201911037538.9A
Other languages
Chinese (zh)
Inventor
付茂筠
渠立华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou Proud Automation Technology Co Ltd
Original Assignee
Xuzhou Proud Automation Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xuzhou Proud Automation Technology Co Ltd filed Critical Xuzhou Proud Automation Technology Co Ltd
Priority to CN201911037538.9A priority Critical patent/CN110744750A/en
Publication of CN110744750A publication Critical patent/CN110744750A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
    • B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/22—Feed or discharge means
    • B02C18/2225—Feed means
    • B02C18/2241—Feed means of conveyor belt type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/24—Drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24—Passing gas through crushing or disintegrating zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/14—Removing waste, e.g. labels, from cleaning liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B02C2023/165—Screen denying egress of oversize material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
    • B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B2017/0424—Specific disintegrating techniques; devices therefor
    • B29B2017/044—Knives
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Disintegrating Or Milling (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

The material crushing and grading equipment provided by the invention adopts step-by-step crushing, is uniform in crushing and has a good crushing effect. The three-stage stirring chamber is arranged in the water tank, materials firstly enter the first-stage stirring chamber through the inlet of the water tank and are stirred and crushed completely, the materials can fall into the second-stage stirring chamber through the first-stage filter screen after stirring and crushing are finished, the materials are continuously stirred and crushed when particles meeting requirements fall into the third-stage stirring chamber through the second-stage filter screen, the particles meeting the requirements fall into the outlet through the third-stage filter screen, the particles fall into the spiral conveyor from the outlet and are conveyed into the water tank through the spiral conveyor, water is used for filtering the materials, the water and debris in the water tank are discharged out of the water tank through the drain pipe after filtering is finished, the crushed particles are intercepted on the fourth-stage filter screen, and the crushed materials can be recycled after moisture of the crushed materials is evaporated. The invention can be used for primarily cleaning materials while crushing the materials, thereby reducing the breeding of bacteria and being beneficial to the health of workers.

Description

Material crushing and grading equipment
Technical Field
The invention relates to crushing equipment, in particular to material crushing and grading equipment, and belongs to the technical field of mechanical technicians.
Background
With the continuous development of plastics, the existing plastic products are attractive in appearance, firm, durable and light in weight, are more and more popular with people, and gradually permeate into all corners of people in life and work. However, plastic products have the disadvantages that the plastic products are dirty and difficult to clean, and the plastic products are damaged after being used for a long time, and many families can directly throw the plastic into the garbage can, but some plastic products belong to recyclable garbage, but before being reused, the plastic products need to be crushed.
The existing plastic crusher has unsatisfactory crushing effect and uneven crushing, and the crushed fragments can cause environmental pollution.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the material crushing and grading equipment which is good in crushing effect and uniform in crushing, and crushed fragments cannot pollute the environment.
The invention relates to material crushing and grading equipment which comprises a shell, wherein a first-stage stirring chamber, a second-stage stirring chamber and a third-stage stirring chamber are sequentially arranged in the shell from top to bottom, a first-stage filter screen is arranged between the first-stage stirring chamber and the second-stage stirring chamber, a second-stage filter screen is arranged between the second-stage stirring chamber and the third-stage stirring chamber, a third-stage filter screen is arranged between the third-stage stirring chamber and a shell discharge port, the mesh number of the first-stage filter screen is smaller than that of the second-stage filter screen;
a driven wheel and a bearing are sleeved outside the shell, the driven wheel is connected with a driving wheel, the driving wheel is connected with a second motor, the shell is installed on the ground through the bearing and a support, and the second motor is installed on the support;
a spiral conveyor is arranged at the lower part of a discharge port at the bottom of the shell, the discharge port of the spiral conveyor is connected with an inlet of a water tank, a water outlet at the bottom of the water tank is connected with a water discharge pipe, and a drain valve and a drain pump are arranged on the water discharge pipe;
the stirring shaft penetrates through the first-stage, second-stage and third-stage filter screens and extends to the bottom of the shell, and a first-stage stirring blade, a second-stage stirring blade and a third-stage stirring blade are mounted on the stirring shaft; the primary stirring blades are triangular blades and are uniformly distributed on a stirring shaft in the primary stirring chamber; the secondary stirring blade comprises a supporting shaft A and crushing teeth uniformly distributed on the supporting shaft A, and the crushing teeth are uniformly distributed on a stirring shaft in the secondary stirring chamber and can crush particles with smaller diameters; the third-stage stirring blade comprises an upper supporting shaft, a lower supporting shaft and spiral knives uniformly distributed between the two supporting shafts B, and the spiral knives are uniformly distributed on a stirring shaft in the third-stage stirring chamber.
Further, the dust cover is installed to casing discharge gate department, and the dust cover bottom extends to screw conveyer's feed inlet.
Further, sealing rings are arranged between the first-stage, second-stage and third-stage filter screens and the stirring shaft.
Further, two blowers are installed inside the casing.
Preferably, the mesh number of the first-level filter screen is 600 meshes-1000 meshes, the mesh number of the second-level filter screen is 900 meshes-1500 meshes, the mesh number of the third-level filter screen is 1350 meshes-2250 meshes, and the mesh number of the fourth-level filter screen is 2500 meshes-2600 meshes.
Preferably, the housing is a hollow cylinder.
Compared with the prior art, the invention has the following advantages:
1) the invention adopts step-by-step crushing, the crushing is uniform, and the crushing effect is good. The three-stage stirring chamber is arranged in the water tank, materials firstly enter the first-stage stirring chamber through the inlet of the water tank and are stirred and crushed completely, the materials can fall into the second-stage stirring chamber through the first-stage filter screen after stirring and crushing are finished, the materials are continuously stirred and crushed when particles meeting requirements fall into the third-stage stirring chamber through the second-stage filter screen, the particles meeting the requirements fall into the outlet through the third-stage filter screen, the particles fall into the spiral conveyor from the outlet and are conveyed into the water tank through the spiral conveyor, water is used for filtering the materials, the water and debris in the water tank are discharged out of the water tank through the drain pipe after filtering is finished, the crushed particles are intercepted on the fourth-stage filter screen, and the crushed materials can be recycled after moisture of the crushed materials is evaporated. The invention can be used for primarily cleaning materials while crushing the materials, thereby reducing the breeding of bacteria and being beneficial to the health of workers.
2) The stirring blades adopted by each stage of stirring chamber are different, so that the crushed particles of the material are smaller, and the subsequent processing is facilitated.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a secondary stirring blade of the secondary stirring chamber of the invention;
FIG. 3 is a schematic structural diagram of a three-stage stirring blade of a three-stage stirring chamber of the invention.
In the figure: 1. the conveying belt comprises a conveying belt, 2, a second motor 21, a first motor 211, a stirring shaft, 3, a driving wheel, 4, a driven wheel, 5, a support, 6, a discharge port, 7, a dust cover, 8, a spiral conveyor, 9, a blower, 10, a shell, 11, a first-stage stirring blade, 12, a first-stage filter screen 12, 13, a second-stage stirring blade, 131, a support shaft A, 132, a crushing tooth, 14, a second-stage filter screen 14, 15, a third-stage stirring blade, 151, a support shaft B, 152, a spiral knife, 16, a bearing, 17, a third-stage filter screen 17, 18, a water tank, 19, a fourth-stage filter screen, 20, a drain valve, 222, a drain pump and 22.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in the figure, the material crushing and grading equipment comprises a shell 10, wherein the shell 10 is a hollow cylinder; a first-stage stirring chamber, a second-stage stirring chamber and a third-stage stirring chamber are sequentially arranged in the shell 10 from top to bottom, a first-stage filter screen 1212 is arranged between the first-stage stirring chamber and the second-stage stirring chamber, a second-stage filter screen 1414 is arranged between the second-stage stirring chamber and the third-stage stirring chamber, a third-stage filter screen 1717 is arranged between the third-stage stirring chamber and the discharge hole 6 of the shell 10, the mesh number of the first-stage filter screen 1212 is smaller than that of the second-stage filter screen 1414, and the mesh;
a driven wheel 4 and a bearing 16 are sleeved outside the shell 10, the driven wheel 4 is connected with a driving wheel 3, the driving wheel 3 is connected with a second motor 2, the shell 10 is installed on the ground through a support 5, and the second motor 2 is installed on the support 5;
the lower part of a discharge port 6 at the bottom of the shell 10 is provided with a screw conveyor 8, the screw conveyor 8 is used for effectively preventing blanking accumulation and influencing the conveying process, the discharge port 6 of the screw conveyor 8 is connected with an inlet of a water tank 18, a water outlet at the bottom of the water tank 18 is connected with a water discharge pipe 22, and a drainage pump 222 is arranged on the water discharge pipe 22 and used for quickly draining water and debris in the water tank 18;
the stirring device also comprises a first motor arranged at the top of the primary stirring chamber and a stirring shaft 211 connected with an output shaft of the first motor, wherein the stirring shaft 211 passes through primary, secondary and tertiary filter screens 1717 and extends to the bottom of the shell 10, and a sealing ring is arranged between the filter screens and the stirring shaft 211, so that crushed particles are effectively prevented from falling into the stirring chamber below from a gap between the filter screens and the stirring shaft 211; the stirring shaft 211 is provided with a first-stage stirring blade 11, a second-stage stirring blade 13 and a third-stage stirring blade 15, wherein the first-stage stirring blade 11 is a triangular blade and is uniformly distributed on the stirring shaft 211 in the first-stage stirring chamber;
the secondary stirring blade 13 comprises a support shaft A131 and stirring teeth 132 uniformly distributed on the support shaft A131, and the stirring teeth are uniformly distributed on a stirring shaft 211 in the secondary stirring chamber and can be used for crushing particles with smaller diameters; the third-stage stirring blade 15 comprises an upper supporting shaft, a lower supporting shaft and spiral knives 152 uniformly distributed between the two supporting shafts B151, and the spiral knives are uniformly distributed on a stirring shaft 211 in the third-stage stirring chamber.
In order to prevent the crushed materials from falling into the screw conveyer 8 from the shell 10 and generating dust, the dust cover 7 is arranged at the discharge port 6, the bottom of the dust cover 7 extends to the feed port of the screw conveyer 8, the crushed materials enter the screw conveyer 8 from the discharge port 6 through the dust cover 7, all the dust generated in the process is blocked by the dust cover 7, part of the dust is adsorbed on the dust cover 7, and the other part of the dust enters the water tank 18 along with the crushed materials, so that the dust removal effect is achieved, the pollution to the environment is reduced, and the environment protection is facilitated.
In order to prevent the filter screen from being blocked by the particles, two blowers 9 are arranged in the shell 10 and continuously blow air to the interior of the shell 10, so that the filter screen is effectively prevented from being blocked, meanwhile, the crushed particles are accelerated to fall to the bottom of the shell 10, and the working efficiency of the invention is improved.
The user can select the mesh number of the filter screen according to the needs, the mesh number of the first-stage filter screen 1212 is 600-1000 meshes, the second-stage filter screen 1414 is 900-1500 meshes, the third-stage filter screen 1717 is 1350-2250 meshes, and the fourth-stage filter screen 19 is 2500-2600 meshes.
When the plastic crusher is used, plastic to be crushed is conveyed into the shell 10 through the conveying belt 1, the plastic firstly enters the first-stage stirring chamber, the first motor 2121, the second motor 2 and the air blower 9 are started, the first motor 21 drives the stirring shaft 211 to rotate, the first-stage stirring blades 11 start to crush the plastic in the first-stage stirring chamber, meanwhile, the second motor 2 drives the driving wheel 3 to rotate, the driving wheel 3 drives the driven wheel 4 to rotate, the driven wheel 4 is fixed on the shell 10, so the shell 10 rotates along with the rotation of the shell 10, the movement of the plastic in the shell 10 is further accelerated under the rotation of the shell 10, the crushing speed is accelerated, the plastic particles crushed in the first-stage stirring chamber pass through the first-stage filter screen 1212 and fall into the second-stage stirring chamber, the stirring blades in the second-stage stirring chamber are crushing teeth to crush the plastic particles for the second time, if the diameter of the plastic particles after the secondary crushing is smaller than the diameter of the holes on the secondary filter screen 1414, the plastic particles can pass through the secondary filter screen 1414 and fall into a third-stage stirring chamber, the plastic particles after the secondary crushing are crushed in the third-stage stirring chamber for three times, if the diameter of the plastic particles after the secondary crushing is smaller than the diameter of the holes on the third-stage filter screen 1717, the plastic particles can pass through the third-stage filter screen 1717 and fall into the bottom of the shell 10, and fall into the screw conveyor 8 through dustproof cloth from the discharge hole 6 at the bottom of the shell 10, the plastic particles are conveyed into the water tank 18 by the screw conveyor 8, and fall into a fourth-stage filter screen 19 at the bottom of the water tank 18 after being cleaned and dedusted by clean water in the water tank 18, and because the mesh number of the fourth-stage filter screen 19 is larger than the third-stage filter screen 1717, the. The drain valve 20 is opened and the drain pump 222 is activated, and the water, debris or dust in the tank 18 is removed from the drain pipe 22 along with the contaminated water, which is activated to more quickly remove the contaminated water from the tank 18.
In order to prolong the service life of the filter screens, the first-stage, second-stage, third-stage and fourth-stage filter screens 12, 14, 17 and 19 are made of iron.
The invention has good crushing effect, uniform crushing and high crushing efficiency.

Claims (6)

1. A material crushing and grading device is characterized by comprising a shell, wherein a first-stage stirring chamber, a second-stage stirring chamber and a third-stage stirring chamber are sequentially arranged in the shell from top to bottom, a first-stage filter screen is arranged between the first-stage stirring chamber and the second-stage stirring chamber, a second-stage filter screen is arranged between the second-stage stirring chamber and the third-stage stirring chamber, a third-stage filter screen is arranged between the third-stage stirring chamber and a shell discharge port, the mesh number of the first-stage filter screen is smaller than that of the second-stage filter screen, and the;
a driven wheel and a bearing are sleeved outside the shell, the driven wheel is connected with a driving wheel, the driving wheel is connected with a second motor, the shell is installed on the ground through the bearing and a support, and the second motor is installed on the support;
a spiral conveyor is arranged at the lower part of a discharge port at the bottom of the shell, the discharge port of the spiral conveyor is connected with an inlet of a water tank, a water outlet at the bottom of the water tank is connected with a water discharge pipe, and a drain valve and a drain pump are arranged on the water discharge pipe;
the stirring shaft penetrates through the first-stage, second-stage and third-stage filter screens and extends to the bottom of the shell, and a first-stage stirring blade, a second-stage stirring blade and a third-stage stirring blade are mounted on the stirring shaft; the primary stirring blades are triangular blades and are uniformly distributed on a stirring shaft in the primary stirring chamber; the secondary stirring blade comprises a supporting shaft A and crushing teeth uniformly distributed on the supporting shaft A, and the crushing teeth are uniformly distributed on a stirring shaft in the secondary stirring chamber and can crush particles with smaller diameters; the third-stage stirring blade comprises an upper supporting shaft, a lower supporting shaft and spiral knives uniformly distributed between the two supporting shafts B, and the spiral knives are uniformly distributed on a stirring shaft in the third-stage stirring chamber.
2. The material crushing and grading device as claimed in claim 1, wherein a dust cover is installed at the discharge port of the housing, and the bottom of the dust cover extends to the feed port of the screw conveyor.
3. The material crushing and grading device of claim 1, wherein a sealing ring is arranged between the first-stage, second-stage and third-stage filter screens and the stirring shaft.
4. The material crushing and classifying apparatus according to claim 1, wherein two blowers are installed inside the casing.
5. The material pulverizing and classifying apparatus as claimed in claim 1, wherein the mesh number of the primary filter screen is 600-1000 meshes, the secondary filter screen is 900-1500 meshes, the tertiary filter screen is 1350-2250 meshes, and the quaternary filter screen is 2500-2600 meshes.
6. The material crushing and grading device of claim 1, wherein the housing is a hollow cylinder.
CN201911037538.9A 2019-10-29 2019-10-29 Material crushing and grading equipment Withdrawn CN110744750A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911037538.9A CN110744750A (en) 2019-10-29 2019-10-29 Material crushing and grading equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911037538.9A CN110744750A (en) 2019-10-29 2019-10-29 Material crushing and grading equipment

Publications (1)

Publication Number Publication Date
CN110744750A true CN110744750A (en) 2020-02-04

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ID=69280813

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911037538.9A Withdrawn CN110744750A (en) 2019-10-29 2019-10-29 Material crushing and grading equipment

Country Status (1)

Country Link
CN (1) CN110744750A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113455203A (en) * 2021-05-21 2021-10-01 毋晓冰 Multifunctional straw biomass crushing system and crushing method
CN115722099A (en) * 2022-10-27 2023-03-03 盛世生态环境股份有限公司 Preparation equipment of biochar and use method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113455203A (en) * 2021-05-21 2021-10-01 毋晓冰 Multifunctional straw biomass crushing system and crushing method
CN115722099A (en) * 2022-10-27 2023-03-03 盛世生态环境股份有限公司 Preparation equipment of biochar and use method thereof

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