CN112536132A - Machine-made sand shell breaking and core retaining desliming system and desliming process thereof - Google Patents
Machine-made sand shell breaking and core retaining desliming system and desliming process thereof Download PDFInfo
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- CN112536132A CN112536132A CN202011294441.9A CN202011294441A CN112536132A CN 112536132 A CN112536132 A CN 112536132A CN 202011294441 A CN202011294441 A CN 202011294441A CN 112536132 A CN112536132 A CN 112536132A
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- crusher
- screen
- desliming
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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
- B02C21/00—Disintegrating plant with or without drying of the material
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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
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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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
- 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
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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
- 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
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention provides a machine-made sand shell-breaking and core-retaining desliming process which comprises the steps of coarse breaking, directly feeding a coarse material into a primary crusher, performing primary crushing on the coarse material through a crusher to form a coarse material, then performing middle breaking, performing secondary crushing on the coarse material through a middle crusher to form a fine material, then screening, and screening out useless materials by using a vibrating screen; the material granularity is reduced and partial soil is removed through the coarse crusher, the material with small granularity is crushed through the middle crusher and is screened, and pretreatment processes such as pre-screening are reduced. The quality of the finished sand is improved.
Description
Technical Field
The invention relates to a machine-made sand shell-breaking and core-keeping desliming system and a desliming process thereof.
Background
In the machine-made sand production industry, when the raw materials contain non-useful materials with strong adhesion such as clay, the screen materials are attached to the surface of coarse aggregate, and the non-useful materials are difficult to separate from the useful materials by screening and washing, so that the non-useful materials attached to the surface of the useful materials are removed.
The existing technical principle is that a desliming agent is added into a wool material, mixed and stirred, and the desliming agent reacts with soil and then is subjected to shell breaking, or a bar feeder is used for pre-screening and then is subjected to shell breaking, for example, in a dry desliming method for rock stripping tailings with the publication number of CN104860560B, the mined wool material and the desliming agent are mixed and then are subjected to crushing and screening, but the standing time of 4-18 hours is required for the desliming agent to fully react with the soil on the wool material, the production efficiency is not high, and the effect can be generated only by fully mixing the desliming agent with the wool material.
Disclosure of Invention
In order to solve the technical problems, the invention provides a machine-made sand shell-breaking and core-keeping desliming system and a desliming process thereof.
The invention is realized by the following technical scheme.
The invention provides a machine-made sand shell-breaking, core-keeping and desliming process, which comprises the following steps:
s1, coarse crushing, namely directly feeding the coarse material into a primary crusher, and performing primary crushing on the coarse material through the crusher to form coarse material;
s2, performing intermediate crushing, and performing secondary crushing on the coarse material through an intermediate crusher to form fine material;
s3, screening, namely screening out the unused materials by using a vibrating screen;
the vibrating screen is a composite vibrating screen;
and materials are conveyed among the primary crusher, the middle crusher and the vibrating screen through a conveying belt.
The primary crusher feeds materials through a bar feeder.
The composite screen is provided with a plurality of layers of screen meshes.
The screen meshes are sequentially reduced in size from top to bottom and are vertically arranged in parallel.
The discharge end of the screen is provided with a movable door.
The granularity of the material after being crushed by the middle crusher is 5-15 mm. A machine-made sand shell-breaking and core-retaining desliming system comprises a discharge hopper, a coarse breaker, a middle breaker and a composite sieve; the coarse crusher is arranged below the discharge hopper, the materials crushed by the coarse crusher are conveyed into the middle crusher through the conveying device, and the materials crushed by the middle crusher are conveyed into the composite sieve through the conveying device. Before coarse crushing, the screening work capacity of the bar feeder is cancelled, the blockage of the bar feeder in the screening process can be reduced, after the materials passing through the bar feeder enter a crusher, the materials enter the crusher and are crushed to form continuous gradation, the surfaces of various different particle diameters can be fully extruded, rubbed and collided to crush shells of aggregate surfaces, the soft particles are crushed into small-particle semi-finished materials and all enter a middle crusher, the crushed materials pass through the middle crusher and then enter a screening workshop, at the moment, useless materials are stripped from the aggregate surface, and the mesh size of a screen mesh of a useless material separating screen is controlled to separate the useless materials. The size of the mesh of the screen of the useless material separating screen can be reduced from 40-15 mm to 5-15 mm by the process. And meanwhile, the quality of the finished sand is ensured.
The conveying device is a conveying belt. The speed of entering breaker material can be adjusted through conveyor belt, improves the desliming success rate.
The mesh size of the composite sieve is 5-15 mm.
The invention has the beneficial effects that: the material granularity is reduced and partial soil is removed through the coarse crusher, and the material with small granularity is crushed through the middle crusher and is screened, so that the pretreatment procedure is reduced. The quality of the finished sand is improved.
Drawings
FIG. 1 is a schematic diagram of a rough breaking system of the present invention;
FIG. 2 is a schematic diagram of the construction of the breaking system of the present invention;
in the figure: the method comprises the following steps of 1-a dump truck, 2-a discharge hopper, 3-a bar feeder, 4-a rough crusher, 5-a first conveyer belt, 6-a middle crusher, 7-a composite sieve and 8-a second conveyer belt.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
A machine-made sand shell-breaking, core-keeping and desliming process comprises the following steps:
s1, coarse crushing, namely directly feeding the coarse material into a primary crusher, and performing primary crushing on the coarse material through the crusher to form coarse material;
s2, performing intermediate crushing, and performing secondary crushing on the coarse material through an intermediate crusher to form fine material;
s3, screening, namely screening out the unused materials by using a vibrating screen;
the vibrating screen is a composite vibrating screen;
and materials are conveyed among the primary crusher, the middle crusher and the vibrating screen through a conveying belt.
The primary crusher feeds materials through a bar feeder.
The composite screen is provided with a plurality of layers of screen meshes.
The screen meshes are sequentially reduced in size from top to bottom and are vertically arranged in parallel.
The discharge end of the screen is provided with a movable door.
The granularity of the material after being crushed by the middle crusher 6 is 5-15 mm.
The device used in the process comprises a discharge hopper 2, a rough crusher 4, a middle crusher 6 and a composite sieve 7; the coarse crusher 4 is arranged below the discharge hopper 2, materials crushed by the coarse crusher 4 are conveyed into the middle crusher 6 through the conveying device, and the materials crushed by the middle crusher 6 are conveyed into the composite sieve 7 through the conveying device.
The conveying device is a conveying belt.
The mesh size of the composite sieve 7 is 5-15 mm of the first conveying belt.
Example 1
And (3) passing the obtained natural soil sample through a 3.0mm mesh screen, and separating impurities such as cobblestones, tree roots and the like.
Taking 30Kg of screened soil sample, and mixing 15L of water into slurry. Putting 100Kg of broken stone into the slurry to enable the slurry to be uniformly coated on the surface of the broken stone, and taking out the broken stone to be naturally dried for 12 hours at normal temperature. And recording the total mass W1 of the mud-wrapped macadam sample after air drying.
S1, the discharge hopper 2 feeds the materials in the dump truck 1 into the rough crusher 4 for crushing;
the materials crushed by the coarse crusher 4 are conveyed into the middle crusher 6 through a first conveyer belt 5;
after the middle crusher 6 crushes the middle materials, the materials are conveyed into the compound sieve 7 through the second conveying belt 8 to be sieved, and then the weight W2 of the finished materials and the weight W3 of the useless materials are respectively weighed
The W2 weight is 98Kg and the W2 weight is 32 Kg.
Example 2
According to the embodiment, the feeding speed between the crusher and the vibrating screen is adjusted according to different materials and attachments thereof by controlling the conveying speed of the conveying belt, so that the crusher can fully desliming the materials;
in the implementation process, the feeding speeds of the bar feeder 3, the first conveying belt 6 and the second conveying belt 8 are all 100 tons per hour, and the surface of the material sieved by the vibrating screen has no soil adhesion.
Example 3
As shown in fig. 3, a first screen 2, a second screen 3 and a third screen 4 are arranged in a vibrating screen 1, if the granularity of useless materials needs to be utilized, fine materials firstly enter the first screen through an inlet end of the vibrating screen, aggregate with larger granularity is left on the screen surface of the first screen 2 and is accumulated on an outlet of the first screen under the action of the vibrating screen, the aggregate is prevented from falling, aggregate with smaller granularity falls on the second screen 3 for screening, and the same material with larger granularity is left on the screen surface of the second screen and is accumulated on the outlet of the second screen and is blocked by a second turnover door 6; then the material with smaller granularity falls on the third screen 4, the third screen 4 reserves the aggregate with smaller granularity on the screen surface for storage, the tiny useless material falls in the useless silo 9, and the useful material piled up in the above-mentioned screen respectively opens the bolt of the turnover door according to the aggregate demand and takes out the use, or directly opens the turnover door of the corresponding screen of required granularity, lets the aggregate directly fall in the useful silo.
Claims (5)
1. A machine-made sand shell-breaking, core-keeping and desliming process comprises the following steps:
s1, coarse crushing, namely directly feeding the coarse material into a primary crusher, and performing primary crushing on the coarse material through the crusher to form coarse material;
s2, performing intermediate crushing, and performing secondary crushing on the coarse material through an intermediate crusher to form fine material;
s3, screening, namely screening out the unused materials by using a vibrating screen;
the vibrating screen is a composite vibrating screen;
and materials are conveyed among the primary crusher, the middle crusher and the vibrating screen through a conveying belt.
2. The machine-made sand shelling, coring and desliming process of claim 1, wherein: the primary crusher feeds materials through a bar feeder.
3. The machine-made sand shelling, coring and desliming process of claim 1, wherein: the composite screen is provided with a plurality of layers of screen meshes.
4. The machine-made sand shelling, coring and desliming process of claim 3 wherein: the screen meshes are sequentially reduced in size from top to bottom and are vertically arranged in parallel.
5. The machine-made sand shelling, coring and desliming process of claim 4 wherein: the discharge end of the screen is provided with a movable door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011294441.9A CN112536132A (en) | 2020-11-18 | 2020-11-18 | Machine-made sand shell breaking and core retaining desliming system and desliming process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011294441.9A CN112536132A (en) | 2020-11-18 | 2020-11-18 | Machine-made sand shell breaking and core retaining desliming system and desliming process thereof |
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| CN112536132A true CN112536132A (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011294441.9A Pending CN112536132A (en) | 2020-11-18 | 2020-11-18 | Machine-made sand shell breaking and core retaining desliming system and desliming process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113413999A (en) * | 2021-06-28 | 2021-09-21 | 中国水利水电第九工程局有限公司 | Online intelligent detection control technology for quality of semi-finished product in grit coarse crushing production workshop |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002126563A (en) * | 2000-10-24 | 2002-05-08 | Nakayama Iron Works Ltd | Dry sand making device |
| CN208437008U (en) * | 2018-03-15 | 2019-01-29 | 湖北领驭建设有限公司 | A kind of sandstone aggregate production system for building |
| CN109876917A (en) * | 2019-02-28 | 2019-06-14 | 贵州成智重工科技有限公司 | A kind of high-quality sandstone aggregate impacts dry milling production line and processing method entirely |
| CN211664969U (en) * | 2019-06-28 | 2020-10-13 | 华润水泥(武宣)有限公司 | Improve accurate dry method desilting system of building aggregate ore utilization ratio |
| CN111940064A (en) * | 2020-07-23 | 2020-11-17 | 江苏山宝集团有限公司 | Processing technology of high-quality aggregate |
-
2020
- 2020-11-18 CN CN202011294441.9A patent/CN112536132A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002126563A (en) * | 2000-10-24 | 2002-05-08 | Nakayama Iron Works Ltd | Dry sand making device |
| CN208437008U (en) * | 2018-03-15 | 2019-01-29 | 湖北领驭建设有限公司 | A kind of sandstone aggregate production system for building |
| CN109876917A (en) * | 2019-02-28 | 2019-06-14 | 贵州成智重工科技有限公司 | A kind of high-quality sandstone aggregate impacts dry milling production line and processing method entirely |
| CN211664969U (en) * | 2019-06-28 | 2020-10-13 | 华润水泥(武宣)有限公司 | Improve accurate dry method desilting system of building aggregate ore utilization ratio |
| CN111940064A (en) * | 2020-07-23 | 2020-11-17 | 江苏山宝集团有限公司 | Processing technology of high-quality aggregate |
Non-Patent Citations (1)
| Title |
|---|
| 陈安迪 陈振发: "《粉末涂料与涂装技术》", 31 October 1986, 安徽科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113413999A (en) * | 2021-06-28 | 2021-09-21 | 中国水利水电第九工程局有限公司 | Online intelligent detection control technology for quality of semi-finished product in grit coarse crushing production workshop |
| CN113413999B (en) * | 2021-06-28 | 2022-06-28 | 中国水利水电第九工程局有限公司 | On-line intelligent detection control method for quality of semi-finished product in grit coarse crushing production workshop |
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