CN111896434A - Crushing and screening equipment test system - Google Patents
Crushing and screening equipment test system Download PDFInfo
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- CN111896434A CN111896434A CN202010746934.5A CN202010746934A CN111896434A CN 111896434 A CN111896434 A CN 111896434A CN 202010746934 A CN202010746934 A CN 202010746934A CN 111896434 A CN111896434 A CN 111896434A
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- 238000012216 screening Methods 0.000 title claims abstract description 86
- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 85
- 238000007599 discharging Methods 0.000 claims abstract description 75
- 238000007689 inspection Methods 0.000 claims abstract description 19
- 238000005070 sampling Methods 0.000 claims abstract description 16
- 238000004458 analytical method Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 8
- 238000012552 review Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 5
- 238000012806 monitoring device Methods 0.000 claims description 4
- 230000001629 suppression Effects 0.000 claims description 4
- 239000003595 mist Substances 0.000 claims 1
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- 235000019580 granularity Nutrition 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0272—Investigating particle size or size distribution with screening; with classification by filtering
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- 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
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- 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
- B02C23/02—Feeding devices
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/12—Sieving bulk materials during loading or unloading
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/14—Pulverising loaded or unloaded materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
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Abstract
The invention provides a crushing and screening equipment test system which comprises a feeding module, a discharging module, a screening and crushing module, a discharging module and a testing module which are sequentially connected; the inspection module is connected with the discharging module and used for randomly sampling materials on the discharging module for inspection and analysis; the screening and crushing module comprises a vibrating screen and a crusher, the vibrating screen is provided with an oversize material chute and an undersize material chute, the oversize material chute is connected with a feed inlet of the crusher, and the undersize material chute is connected with the discharging module; the discharge port of the crusher is connected with the discharge module; the discharging module is respectively connected with the vibrating screen and the crusher, and the communication between the discharging module and the vibrating screen or the crusher is realized by controlling the opening and closing state of the discharging module. The whole crushing and screening equipment test system is modularized, and the unloading module is selectively communicated with the vibrating screen and the crusher, so that the efficiency of the crusher can be independently verified, the efficiency of the combined crushing and screening can be verified, and the test requirements of different crushing and screening equipment are met.
Description
Technical Field
The invention relates to the field of crushing and screening equipment tests, in particular to a crushing and screening equipment test system.
Background
The crushing and screening equipment is used as a material crushing machine and is widely applied to production lines of powder, mineral aggregate, aggregate and the like in the industries of mining, metallurgy, chemical industry, casting, building materials, water conservancy and hydropower, traffic construction and the like. In industrial production, due to different production process requirements, the solid materials have strict requirements on particle size classification, so that crushing and screening equipment meeting the requirement conditions of particle size needs is selected according to the particle size requirements of products. The common crushing and screening equipment only comprises a single crusher, but the particle size distribution of materials generated by crushing by using the single crusher cannot meet the process requirements, so the particle size distribution requirements can be met only by combining the crusher and a vibrating screen by adopting a screening and crushing combined process; moreover, because the original materials have different particle sizes, if the original materials are sieved by using the vibrating screen without adopting a sieving and crushing combined process, the extra load of the crusher is increased and the energy consumption is wasted.
To crushing and screening equipment manufacture factory, for satisfying the customer requirement, need to correspondingly produce the equipment that satisfies its granularity requirement, if the novel equipment with the manufacturing and designing is tried at the customer scene, not only be unfavorable for collecting data on probation, moreover try to verify consuming time overlength, influence the progress. At present, no special crushing and screening laboratory exists in China, and a system and/or a method which can be used for crushing and screening equipment tests are urgently needed, so that the test data of the crushing and screening equipment can be conveniently collected, and the functions of the crushing and screening equipment can be verified.
Disclosure of Invention
Therefore, it is necessary to provide a crushing and screening test system and a test method for testing crushing and screening devices combined by a screening and screening combined process, collecting and analyzing test data, and verifying functions thereof.
A crushing and screening equipment test system comprises a feeding module, a discharging module, a screening and crushing module, a discharging module and a test module which are sequentially connected, wherein the test module randomly samples materials on the discharging module for test analysis; the screening and crushing module comprises a vibrating screen and a crusher, the vibrating screen is provided with an oversize material chute and an undersize material chute, the oversize material chute is connected with a feeding hole of the crusher, the undersize material chute is connected with a discharging module, and a discharging hole of the crusher is connected with the discharging module; the discharging module is respectively connected with the vibrating screen and the crusher, and the communication between the discharging module and the vibrating screen or the crusher is realized by controlling the opening and closing state of the discharging module.
In one embodiment, the feeding module comprises a first conveyor, one end of the first conveyor is a first feeding end, the other end of the first conveyor is a first discharging end, and the first conveyor is inclined upwards in the vertical direction from the first feeding end to the first discharging end; the first feeding end is arranged below the ground level, and a first feeding notch communicated with the first feeding end is formed in the ground above the first feeding end; the first discharging end is arranged above the ground level and is connected with the discharging module.
In one embodiment, the discharging module comprises a second conveyor, one end of the second conveyor is a second feeding end, the other end of the second conveyor is a second discharging end, and the second conveyor is inclined upwards in the vertical direction from the second feeding end to the second discharging end; the second feeding end is arranged below the horizon, the second discharging end is arranged above the horizon, and a second feeding notch communicated with the second feeding end is formed in the ground above the second feeding end; the second feeding notch is respectively communicated with a crusher discharge port and a screen underflow pipe.
In one embodiment, the screening and crushing module further comprises an electric flat carriage for carrying and transferring the crusher, the crusher is arranged on the electric flat carriage and moves along with the electric flat carriage; a crusher interface and a vibrating screen interface are arranged on the bearing surface of the electric flat carriage, one end of the crusher interface is connected with a crusher discharge port, and the other end of the crusher interface is communicated with a second feeding notch; one end of a vibrating screen interface is connected with the undersize material chute, and the other end of the vibrating screen interface is communicated with the second feeding notch.
In one embodiment, a base is arranged around the outer edge of the second feeding notch, a sealing ring is arranged around the top of the base, and the sealing ring is inflated to abut against the bottom plate of the electric flat car by inflating the sealing ring, so that the second feeding notch is sealed.
In one embodiment, a dry fog dust suppression device is arranged in the second feeding notch, and a dust curtain is arranged at the conveying section between the junction of the second conveyor and the ground level and the second feeding end.
In one embodiment, two transparent layers are symmetrically arranged on the two opposite side pipe walls of the oversize material slide pipe, and a light source is arranged outside one of the transparent layers and used for illuminating the inside of the oversize material slide pipe; and a monitoring device is arranged on the outer side of the other transparent layer and is used for observing the distribution condition of the materials in the oversize material slide pipe.
In one embodiment, the oversize chute is connected with the feed inlet of the crusher through a hollow flexible connector, and the undersize chute is connected with the discharge module through a hollow flexible connector.
In one embodiment, the inspection module comprises a sampling device and a multi-layer screening device, one end of the sampling device is connected with the discharging module, and the other end of the sampling device is connected with the feeding port of the multi-layer screening device; and a plurality of screening layers are arranged in the multilayer screening device, and the inspection is completed by collecting and recording the weight of the material in each screening layer and analyzing the material to generate a grading curve.
In one embodiment, the system further comprises a review module, wherein the review module is respectively connected with the discharging module and the feeding module, screens the materials on the discharging module into finished products and coarse materials, and returns the coarse materials to the feeding module.
Compared with the prior art, the whole crushing and screening equipment test system is modularized, the unloading module is selectively communicated with the vibrating screen and the crusher, the effects of the crusher and the sieve can be independently verified, the combined effects of the crushing and screening can be verified, the test module randomly samples and collects data for analysis, and the test result is accurate and reasonable; and each modular component can be flexibly combined and coordinately operated, is easy to replace, and meets the test conditions of various crushing and screening devices such as a roller crusher, a counterattack crusher or a hammer crusher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings of the embodiments can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a crushing and screening equipment testing system according to an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural view of a screening and crushing module according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view at A in FIG. 3;
FIG. 5 is a schematic structural diagram of an outfeed module according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an inspection module according to an embodiment of the present invention.
Wherein: 1-feed module, 11-first conveyor, 111-first feed end, 112-first discharge end, 12-first feed slot, 2-discharge module, 3-sift-break module, 31-vibrating screen, 311-oversize chute, 3111-clear layer, 3112-light source, 3113-monitoring device, 312-undersize chute, 32-breaker, 321-breaker feed inlet, 322-breaker discharge outlet, 33-electric flat car, 331-breaker interface, 332-vibrating screen interface, 34-electric flat car track, 4-discharge module, 41-second conveyor, 411-second feed end, 412-second discharge end, 42-second feed slot, 43-base, 431-sealing ring, 44-dry fog dust suppression device, 45-dustproof curtain, 5-inspection module, 51-sampling device, 52-multilayer screening device, 521-screening layer, 522-screening discharge port, 53-charging basket, 54-intelligent scale, 6-review module, 61-inspection screen, 62-bucket elevator, 63-PVC chute and 7-hollow soft connecting piece.
Detailed Description
To facilitate an understanding of the present invention, a crushing and screening device testing system will now be described more fully with reference to the accompanying drawings. A preferred embodiment of a crushing and screening plant test system is shown in the accompanying drawings. However, a crushing and screening device testing system may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the application is used, the description is only for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "coupled" to another element, it can be directly coupled to the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of a crushing and screening device testing system is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 to 3, an embodiment of the present invention provides a crushing and screening equipment testing system, which includes a feeding module 1, a discharging module 2, a screening and crushing module 3, a discharging module 4 and a checking module 5, wherein the feeding module 1, the discharging module 2, the screening and crushing module 3 and the discharging module 4 are sequentially connected, so that a material sequentially flows from the feeding module 1, the discharging module 2, the screening and crushing module 3 and the discharging module 4, the checking module 5 is connected with the discharging module 4, and the material on the discharging module 4 is randomly sampled for checking and analyzing; the screening and crushing module 3 comprises a vibrating screen 31 and a crusher 32, the vibrating screen 31 can screen materials into two specifications of oversize materials and undersize materials, and is correspondingly provided with an oversize material chute 311 for conveying the oversize materials and an undersize material chute 312 for conveying the undersize materials, the oversize material chute 311 is connected with a crusher feed port 321, the undersize material chute 312 is connected with a discharge module 4, and a crusher discharge port 322 is connected with the discharge module 4; the discharging module 2 is respectively connected with the vibrating screen 31 and the crusher 32, and the discharging module 2 is communicated with the vibrating screen 31 or the crusher 32 by controlling the opening and closing state of the discharging module 2. Through unloading module 2 and selectively communicating with shale shaker 31 and breaker 32, can verify the efficiency of breaker 32 alone, can verify the broken efficiency after the combination of sieve again to through 5 random sampling collection data analysis of test module, the test result is accurate reasonable, has satisfied the test requirement of different crushing and screening equipment, provides fine condition for design equipment verification.
Specifically, in the present embodiment, in order to reduce the number of the transferring parts, the vibrating screen 31 is disposed above the crusher 32, and the material is fed into the crusher 32 by using the gravity of the material, at this time, the discharging module 2 may be a discharger, when the discharger is opened, the discharger is communicated with the crusher 32, and the material is fed into the crusher 32 at the discharger; when the discharger is closed, the material is fed into the vibrating screen 31. Test materials are transferred to the unloading module 2 through the feeding module 1, when only the crusher 32 needs to be tested, the unloading module 2 is started, so that the materials directly enter the crusher 32 to be crushed and are sent out by the discharging module 4, random sampling is performed by the inspection module 5 for inspection and analysis, and the function of independently verifying the efficacy of the crusher 32 is realized; when the vibrating screen 31 and the crusher 32 need to be tested simultaneously, the unloading module 2 is closed, so that the material enters the vibrating screen 31 and is screened into oversize materials and undersize materials by the vibrating screen 31, the oversize materials enter the crusher 32 through the oversize material chute 311 to be crushed and are discharged by the discharging module 4, the undersize materials are sent to the discharging module 4 through the undersize material chute 312 and are discharged by the discharging module 4, random sampling is performed by the inspection module 5 for inspection and analysis, and the function of verifying the efficacy of the screening and crushing combined equipment is realized.
Further, as shown in fig. 1, the feeding module 1 includes a first conveyor 11, one end of the first conveyor 11 is a first feeding end 111, and the other end is a first discharging end 112, and the first feeding end 111 inclines upward in a vertical direction toward the first discharging end 112; the first feeding end 111 is arranged below the horizon, and a first feeding notch 12 communicated with the first feeding end 111 is formed in the ground above the first feeding end 111; the first discharge end 112 is arranged above the horizon and is connected with the discharge module 2. Through offering first feed notch 12 on ground and locating first feed end 111 below first feed notch 12, reducible various transfer, lifting part, it can directly be in adopting the material place to push the material into first feed notch 12. Preferably, the first conveyor can adopt a belt conveyor, has strong conveying capacity, long conveying distance and simple structure, is easy to maintain, and can conveniently carry out programmed control and automatic operation.
Further, as shown in fig. 1 and fig. 3, the discharging module 4 includes a second conveyor 41, one end of the second conveyor 41 is a second feeding end 411, the other end is a second discharging end 412, and the second feeding end 411 is inclined upwards in the vertical direction towards the second discharging end 412; the second feeding end 411 is arranged below the horizon, the second discharging end 412 is arranged above the horizon, and a second feeding notch 42 communicated with the second feeding end 411 is formed on the ground above the second feeding end 411; the second feed slot 42 communicates with the crusher output 322 and the undersize chute 312, respectively. Through set up second feed notch 42 on ground and locate second feed end 411 below second feed notch 42, reducible various transfer parts utilize material self action of gravity, directly will sieve the material after the crushing module 3 breakage or screening send into second feed notch 42 can. Preferably, the second conveyor can adopt a belt conveyor, has strong conveying capacity, long conveying distance and simple structure, is easy to maintain, and can conveniently carry out programmed control and automatic operation.
Further, as shown in fig. 3, the screening and crushing module 3 further comprises an electric flat carriage 33 for carrying and transporting the crusher 32, the electric flat carriage 33 can move to and from an assembly shop and a test site through the electric flat carriage 33, and the crusher 32 is arranged on the electric flat carriage 33 and can move along with the electric flat carriage 33; a crusher interface 331 and a vibrating screen interface 332 are arranged on the bearing surface of the electric flat carriage 33, one end of the crusher interface 331 is connected with the crusher discharge port 322, and the other end of the crusher interface 331 is communicated with the second feed notch 42, so that crushed materials directly enter the second feed notch 42 and fall on the conveying section of the second feed end 411 of the second conveyor of the discharge module 4; shale shaker interface 332 one end is connected with undersize thing elephant trunk 312, and the other end and second feed notch 42 intercommunication make the material after being sieved directly get into second feed notch 42, fall on the transport section of the second feed end 411 of the second conveyer of ejection of compact module 4, have reduced the setting of transfer piece.
Further, as shown in fig. 3 and 4, a base 43 is annularly arranged on the outer edge of the second feeding notch 42, a sealing ring 431 is annularly arranged on the top of the base 43, specifically, a U-shaped groove with an upward opening is arranged on the top of the base 43, the sealing ring 431 is an inflation sealing ring and is arranged in the U-shaped groove around the base 43, after inflation is carried out on the sealing ring 431, the sealing ring 431 is inflated to abut against the bottom plate of the electric flat carriage 33 upwards, the left and the right abut against the inner wall of the U-shaped groove, and the second feeding notch 42 is sealed by matching the base 43 and the bottom plate of the electric flat carriage 33.
Further, as shown in fig. 5, a dry fog dust suppression device 44 is disposed in the second feeding slot 42, and a dust curtain 45 is disposed at the conveying section between the junction of the second conveyor and the ground line and the second feeding end 411 to prevent the dust and debris from overflowing, so as to protect the environment.
Further, as shown in fig. 3, two transparent layers 3111 are symmetrically disposed on two opposite side walls of the oversize product chute 311, and a light source 3112 is disposed outside one of the transparent layers 3111 for illuminating the inside of the oversize product chute 311; on the outside of the other transparent layer 3111, a monitor device 3113 is arranged for observing the distribution of the material in the oversize chute 311. Preferably, the transparent layer 3111 can be made of organic glass, has a smooth surface and high strength, and meets the requirement of material sliding; the monitoring device 3113 may employ a cloud camera for real-time observation.
Further, as shown in fig. 3, the oversize chute 311 is connected with the crusher feed port 321 through a hollow flexible connector 7, and the undersize chute 312 is connected with the discharge module 4 through a hollow flexible connector 7. When the screening and crushing module 3 comprises the electric flat carriage 33, the undersize chute 312 is connected with the vibrating screen interface 332 of the electric flat carriage 33 through the hollow soft connector 7, and is communicated with the second feeding notch 42 of the discharging module 4 through the vibrating screen interface 332.
Specifically, in this embodiment, canvas may be used as the hollow flexible connecting member 7, so that the joint between the vibrating screen 31 and the crusher 32, the joint between the vibrating screen 31 and the discharging module 4, or the joint between the undersize chute 312 and the vibrating screen interface 332 has a sufficient range of motion, and the joint between the vibrating screen 31 and the crusher 32, between the vibrating screen 31 and the discharging module 4, or between the undersize chute 312 and the vibrating screen interface 332 is prevented from being damaged due to different vibration amplitudes and frequencies.
Further, as shown in fig. 1 and fig. 6, the inspection module 5 comprises a sampling device 51 and a multi-layer screening device 52, wherein one end of the sampling device 51 is connected with the discharging module 4, and the other end is connected with the feed inlet of the multi-layer screening device 52; a plurality of screening layers 521 are arranged in the multilayer screening device 52, and the inspection is completed by collecting and recording the weight of the material in each screening layer 521 and analyzing the material to generate a grading curve.
Specifically, in this embodiment, the sampling device 51 may adopt a sampling machine, the multi-layer screening device 52 may adopt a rotary vibration sieve, the sampling machine randomly samples the materials after the crushing and screening on the transportation section (the part above the horizon) of the second conveyor 41 of the discharging module 4, and sends the materials into the rotary vibration sieve, the materials are screened into the materials with various granularities through the rotary vibration sieve, a screening discharging port 522 is correspondingly arranged on each screening layer 521, each screening discharging port 522 is connected with a bucket 53, an intelligent scale 54 is placed below the bucket 53, weight data is obtained, the intelligent scales 54 are connected with the PLC, meter data (namely, weight data) of the intelligent scale 54 are automatically collected through the PLC, the data are analyzed, a grading curve of the materials after the crushing and screening is automatically generated, and an effect of automatically collecting the intelligent analysis is realized.
Further, as shown in fig. 1 and 2, the system further comprises a review module 6, wherein the review module 6 is respectively connected with the discharging module 4 and the feeding module 1, screens the materials on the discharging module 4 into finished products and coarse materials, and returns the coarse materials to the feeding module 1.
Specifically, in this embodiment, the review module 6 includes the inspection screen 61 and the bucket elevator 62, the feeding port of the inspection screen 61 is connected to the second discharging end 412 of the discharging module 4, after the material enters the inspection screen 61, the inspection screen 61 is screened into a finished product and a coarse material, the finished product is sent out or stored separately, the coarse material is sent into the feeding port of the bucket elevator 62 and lifted to a high position by the bucket elevator 62, and slides down onto the transporting section of the first transporting machine 11 of the feeding module 1 through the chute connected to the discharging port of the bucket elevator 62, and is sent into the screening and crushing module 3 again by the first transporting machine 11 to continue screening and crushing, so as to form a closed cycle until all the materials meet the requirement of particle size. Preferably, the chute connected with the discharge port of the bucket elevator 62 is a PVC chute 63, the inner wall is smooth, and material blocking can be reduced.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A crushing and screening equipment test system is characterized by comprising a feeding module, a discharging module, a screening and crushing module, a discharging module and a test module which are sequentially connected, wherein the test module randomly samples materials on the discharging module for test analysis; the screening and crushing module comprises a vibrating screen and a crusher, the vibrating screen is provided with an oversize material chute and an undersize material chute, the oversize material chute is connected with a feeding hole of the crusher, the undersize material chute is connected with the discharging module, and a discharging hole of the crusher is connected with the discharging module; the discharging module is respectively connected with the vibrating screen and the crusher, and the discharging module is communicated with the vibrating screen or the crusher by controlling the opening and closing state of the discharging module.
2. The crushing and screening equipment testing system of claim 1, wherein the feeding module comprises a first conveyor having a first feeding end at one end and a first discharge end at the other end, the first conveyor being inclined upwardly in a vertical direction from the first feeding end to the first discharge end; the first feeding end is arranged below the ground level, and a first feeding notch communicated with the first feeding end is formed in the ground above the first feeding end; the first discharging end is arranged above the ground level and connected with the discharging module.
3. The crushing and screening equipment testing system of claim 1, wherein the discharge module comprises a second conveyor having a second feed end at one end and a second discharge end at the other end, the second conveyor being inclined upwardly in a vertical direction from the second feed end to the second discharge end; the second feeding end is arranged below the horizon, the second discharging end is arranged above the horizon, and a second feeding notch communicated with the second feeding end is formed in the ground above the second feeding end; the second feeding notch is respectively communicated with the crusher discharge port and the undersize material chute.
4. A crushing and screening equipment testing system according to claim 3, wherein said screening and crushing module further comprises a motorized cart for carrying and transporting said crusher, said crusher being mounted on said motorized cart for movement therewith; a crusher interface and a vibrating screen interface are arranged on the bearing surface of the electric flat carriage, one end of the crusher interface is connected with the discharge hole of the crusher, and the other end of the crusher interface is communicated with the second feeding notch; and one end of the vibrating screen interface is connected with the undersize material chute, and the other end of the vibrating screen interface is communicated with the second feeding notch.
5. A crushing and screening equipment testing system according to claim 4, wherein the outer edge of the second feeding notch is provided with a base, the top of the base is provided with a sealing ring in a surrounding manner, and the second feeding notch is sealed by inflating the sealing ring to expand the sealing ring to abut against the bottom plate of the electric flat carriage.
6. The crushing and screening equipment testing system of claim 5, wherein a dry mist dust suppression device is disposed in the second feed chute opening, and a dust curtain is disposed in the conveying section between the junction of the second conveyor and the ground level and the second feed end.
7. The crushing and screening equipment test system according to claim 1, wherein two transparent layers are symmetrically arranged on two opposite side pipe walls of the oversize chute, and a light source is arranged outside one of the transparent layers and used for illuminating the inside of the oversize chute; and a monitoring device is arranged on the outer side of the other transparent layer and is used for observing the distribution condition of the materials in the oversize material slide pipe.
8. The crushing and screening equipment testing system of claim 1, wherein the oversize chute is connected with the crusher feed inlet through a hollow flexible connector, and the undersize chute is connected with the discharge module through a hollow flexible connector.
9. The crushing and screening equipment testing system of any one of claims 1-8, wherein the inspection module comprises a sampling device and a multi-layer screening device, one end of the sampling device is connected with the discharging module, and the other end of the sampling device is connected with a feeding port of the multi-layer screening device; and a plurality of screening layers are arranged in the multilayer screening device, and the inspection is completed by collecting and recording the weight of the material in each screening layer and analyzing the material to generate a grading curve.
10. The crushing and screening equipment testing system of any one of claims 1-8, further comprising a review module connected to the discharge module and the feed module, respectively, for screening material on the discharge module into finished product and coarse material and returning the coarse material to the feed module.
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| CN202010746934.5A CN111896434A (en) | 2020-07-29 | 2020-07-29 | Crushing and screening equipment test system |
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| CN202010746934.5A CN111896434A (en) | 2020-07-29 | 2020-07-29 | Crushing and screening equipment test system |
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Application publication date: 20201106 |