CN113680500A - Preparation process of non-metal abrasive - Google Patents
Preparation process of non-metal abrasive Download PDFInfo
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- CN113680500A CN113680500A CN202110968619.1A CN202110968619A CN113680500A CN 113680500 A CN113680500 A CN 113680500A CN 202110968619 A CN202110968619 A CN 202110968619A CN 113680500 A CN113680500 A CN 113680500A
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- grade
- crushing
- feeding
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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
- B02C23/02—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
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a preparation process of a non-metal abrasive, which comprises the following process flow S1: feeding; s2: the method comprises the following steps of (1) carrying out primary crushing, namely conveying a material to a first bin by using a lifting machine, and conveying the material to a crusher by using a feeding machine to carry out primary coarse crushing on the raw material; according to the invention, the feeding of the traditional loader is changed into the feeding of a travelling automatic feeder, the feeding of the traditional loader is realized, the automatic overturning of the bin is realized by adding a pump station system, the problem that tail gas pollutes the environment can be solved, according to the defects of the traditional production process, a roller screen is added to a new production line, the first-step rough separation is carried out on semi-finished products in advance, a jaw crusher is added for carrying out circulating fine crushing, six roller crushers are added for carrying out circulating crushing on raw materials, the product quality and the product yield are improved, the product can be screened, and the raw materials are shaped by adding a gamma crusher, so that the defect of the product density is solved.
Description
Technical Field
The invention relates to the technical field of abrasive processes, in particular to a preparation process of a nonmetal abrasive.
Background
The traditional preparation process of the non-metal abrasive material comprises the following steps: the method comprises the steps of loading by a loader, feeding by a feeding machine, crushing by a jaw crusher, lifting to a bin by a lifter, crushing by a double-roller crusher, screening by a screening machine, screening by a magnetic separator, screening by a vibrating machine, packaging and warehousing, and returning unqualified materials to the bin for crushing again during screening by the screening machine.
Disclosure of Invention
The invention aims to provide a non-metal abrasive preparation process, which aims to solve the technical problems that the product quality cannot be guaranteed in the traditional process, the product structure is single, and the product process needs to be further improved so as to meet the requirements of customers.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation process of a non-metal abrasive comprises the following process flows:
s1: feeding;
s2: the method comprises the following steps of (1) carrying out primary crushing, namely conveying a material to a first bin by using a lifting machine, and conveying the material to a crusher by using a feeding machine to carry out primary coarse crushing on the raw material;
s3: a second crushing step, which includes two fine crushing steps, wherein the material obtained in step S2 is conveyed to a second bin by a lifter, and is subjected to a first fine crushing step by a crusher, the first fine crushed material is conveyed to a roller screen by the lifter, and is conveyed to the bin after being screened, and is subjected to a second fine crushing step by the crusher;
s4: conveying the qualified material obtained in the step S3 to a third bin through a lifting machine, and crushing the qualified material through a first pair of rollers and a second pair of rollers;
s5: and the material obtained in the step S4 is lifted to a fourth bin through a lifting machine, and the material is finely crushed in the fourth bin through a third roller pair, a fourth roller pair, a fifth roller pair and a sixth roller pair in sequence.
S6: the qualified materials obtained in the step S5 are conveyed to a vibrating screen by a lifting machine for screening, shaped by a gamma machine, and conveyed to the vibrating screen by the lifting machine for secondary screening;
s7: performing primary fine screening, namely deslagging the material obtained in the step S6 by using a magnetic separator, screening out products of different grades, and deslagging the products of different grades again by using a winnowing machine respectively to obtain products of different grades;
s8: the secondary fine screening is to convey the products of different grades obtained in the step S7 to a linear vibrating screen for fine screening through a hoisting machine respectively, and remove slag through a magnetic separator again to determine the final product level;
s9: the products of the respective layers obtained in S8 are packaged separately.
Preferably, the products of different levels obtained in S8 are respectively crushed by a ball mill, then detected by an airflow analyzer, and screened and graded again, thereby further improving the grade of the products.
Preferably, in the feeding in S1, the feeding is performed using a traveling type automatic feeder.
Preferably, the reject material in S3 is returned to the roller screen via a hoist for recycling.
Preferably, four grades of materials including the first grade, the second grade, the third grade and the fourth grade are screened in S7, then the first grade material is subjected to deslagging again by the air separator to obtain the 1 st grade material, the second grade material is subjected to deslagging again by the air separator to obtain the 2 nd grade material, the third grade material is subjected to deslagging again by the air separator to obtain the 3 rd grade material and the 4 th grade material, and the fourth grade material is subjected to deslagging again by the air separator to obtain the 5 th grade material and the 6 th grade material.
Preferably, the materials of grades 1, 2, 3, 4, 5 and 6 obtained in the step S6 are respectively conveyed to a linear vibrating screen for fine selection through a lifting machine, and are finally deslagged through a magnetic separator again to determine the final product level.
Preferably, the reject material obtained in S5 is returned to the fourth silo for cyclic fine crushing.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the feeding of the traditional loader is changed into the feeding of a traveling type automatic feeding machine, the feeding is realized, the automatic overturning and feeding into the feeding machine are realized by additionally arranging a pump station system on the storage bin, and the problem of tail gas pollution to the environment can be solved.
2. According to the defects of the traditional production process, the roller screen is added to a new production line, the semi-finished products are subjected to first-step rough separation in advance, the jaw crusher is added for circular fine crushing, the raw materials are subjected to circular crushing by adding six roller crushers, the product quality and the yield are improved, products can be screened, the raw materials are reshaped by adding the gamma crusher, the product density defect is overcome, the products can be screened again, the products are sequentially subjected to a magnetic separator and an air separator to remove iron and other impurities in the products, in order to improve the qualification rate of the products, the products are subjected to first fine screening, the product levels are determined one by one, the iron and impurities are removed for the second time, the product quality is guaranteed, and partial products are added into the ball mill to be crushed again according to the requirements of clients, and the air flow analyzer is used for detecting, so that the grade of the product is improved, and the performance of the product is improved.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood 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.
Referring to fig. 1, the present invention provides the following technical solutions: a preparation process of a non-metal abrasive comprises the following process flows:
s1: feeding, in order to solve the problem of tail gas pollution, the feeding of a traditional loader is changed into the feeding of a traveling automatic feeder, and a pump station system is additionally arranged on a storage bin to realize automatic overturning and entering into the feeder;
s2: the method comprises the following steps of (1) carrying out primary crushing, namely conveying a material to a first bin by using a lifting machine, and conveying the material to a crusher by using a feeding machine to carry out primary coarse crushing on the raw material;
s3: performing secondary crushing, including two times of fine crushing, conveying the material obtained in the step S2 to a second bin through an elevator, performing primary fine crushing through a crusher, conveying the primary fine crushed material to a roller screen through the elevator, screening and then conveying the material to the bin, and performing secondary fine crushing through the crusher;
s4: conveying the qualified material obtained in the step S3 to a third bin through a lifting machine, and crushing the qualified material through a first pair of rollers and a second pair of rollers;
s5: the material obtained in S4 is lifted to a fourth bin through a lifter, and the material is finely crushed in the fourth bin through a third roller pair, a fourth roller pair, a fifth roller pair and a sixth roller pair in sequence, so that the raw material is circularly crushed by six roller pairs for improving the product quality and the yield, and the product is sieved.
S6: the qualified materials obtained in the step S5 are conveyed to a vibrating screen through a lifting machine for screening, and are reshaped through a gamma machine, and then are conveyed to the vibrating screen through the lifting machine for secondary screening, in order to solve the density defect of the product, a gamma crusher is added for reshaping, and the product is sieved again;
s7: performing primary fine screening, namely deslagging the material obtained in the step S6 by using a magnetic separator, screening products of different grades, deslagging the products of different grades again by using a winnowing machine respectively to obtain products of different grades, removing iron and other impurities in the products by sequentially passing the products through the magnetic separator and the winnowing machine, performing primary fine screening on the products to improve the qualification rate of the products, and determining the product grades one by one;
s8: the secondary fine screening is to convey the products of different grades obtained in the step S7 to a linear vibrating screen for fine screening through a hoisting machine respectively, remove slag through a magnetic separator again, determine the final product level, and remove iron and impurities for the second time in order to guarantee the product quality;
s9: the products of the respective layers obtained in S8 are packaged separately.
The products of different levels obtained in S8 are respectively crushed by the ball mill, then detected by the airflow analyzer, and screened and graded again, so as to further improve the grade of the products.
Wherein, in the feeding in S1, the feeding is performed using a traveling type automatic feeder.
Wherein the material rejected in S3 is returned to the roller screen via the elevator for circulation.
Screening four grades of materials including a first grade, a second grade, a third grade and a fourth grade in S7, deslagging the first grade of material again by an air separator to obtain a 1 st grade of material, deslagging the second grade of material again by the air separator to obtain a 2 nd grade of material, deslagging the third grade of material again by the air separator to obtain 3 rd and 4 th grade of material, and deslagging the fourth grade of material again by the air separator to obtain 5 th and 6 th grade of material.
And (3) respectively conveying the materials of grades 1, 2, 3, 4, 5 and 6 obtained in the step (S6) to a linear vibrating screen for fine selection through a lifting machine, and finally deslagging through a magnetic separator again to determine the final product level.
Wherein the reject material obtained in S5 is returned to the fourth silo for cyclic fine crushing.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The preparation process of the non-metal abrasive is characterized by comprising the following process flows:
s1: feeding;
s2: the method comprises the following steps of (1) carrying out primary crushing, namely conveying a material to a first bin by using a lifting machine, and conveying the material to a crusher by using a feeding machine to carry out primary coarse crushing on the raw material;
s3: a second crushing step, which includes two fine crushing steps, wherein the material obtained in step S2 is conveyed to a second bin by a lifter, and is subjected to a first fine crushing step by a crusher, the first fine crushed material is conveyed to a roller screen by the lifter, and is conveyed to the bin after being screened, and is subjected to a second fine crushing step by the crusher;
s4: conveying the qualified material obtained in the step S3 to a third bin through a lifting machine, and crushing the qualified material through a first pair of rollers and a second pair of rollers;
s5: and the material obtained in the step S4 is lifted to a fourth bin through a lifting machine, and the material is finely crushed in the fourth bin through a third roller pair, a fourth roller pair, a fifth roller pair and a sixth roller pair in sequence.
S6: the qualified materials obtained in the step S5 are conveyed to a vibrating screen by a lifting machine for screening, shaped by a gamma machine, and conveyed to the vibrating screen by the lifting machine for secondary screening;
s7: performing primary fine screening, namely deslagging the material obtained in the step S6 by using a magnetic separator, screening out products of different grades, and deslagging the products of different grades again by using a winnowing machine respectively to obtain products of different grades;
s8: the secondary fine screening is to convey the products of different grades obtained in the step S7 to a linear vibrating screen for fine screening through a hoisting machine respectively, and remove slag through a magnetic separator again to determine the final product level;
s9: the products of the respective layers obtained in S8 are packaged separately.
2. The process for preparing a non-metallic abrasive according to claim 1, wherein: and (4) respectively crushing the products of different levels obtained in the step (S8) by a ball mill, detecting by an airflow analyzer, and screening and grading again to further improve the grade of the products.
3. The process for preparing a non-metallic abrasive according to claim 1, wherein: at the time of feeding in S1, feeding was performed using a traveling type automatic feeder.
4. The process for preparing a non-metallic abrasive according to claim 1, wherein: material rejected in S3 is returned to the roller screen via the elevator for circulation.
5. The process for preparing a non-metallic abrasive according to claim 1, wherein: screening four grades of materials including a first grade, a second grade, a third grade and a fourth grade in S7, deslagging the first grade of material again through an air separator to obtain a 1 st grade of material, deslagging the second grade of material again through the air separator to obtain a 2 nd grade of material, deslagging the third grade of material again through the air separator to obtain 3 rd and 4 th grades of material, and deslagging the fourth grade of material again through the air separator to obtain 5 th and 6 th grades of material.
6. The process according to claim 5, wherein the abrasive is selected from the group consisting of: and (5) respectively conveying the materials of grades 1, 2, 3, 4, 5 and 6 obtained in the step (S6) to a linear vibrating screen for fine selection through a lifting machine, and finally deslagging through a magnetic separator again to determine the final product level.
7. The process for preparing a non-metallic abrasive according to claim 1, wherein: the reject material obtained in S5 is returned to the fourth silo for cyclic fine crushing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110968619.1A CN113680500B (en) | 2021-08-23 | 2021-08-23 | Nonmetallic abrasive preparation process |
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| CN202110968619.1A CN113680500B (en) | 2021-08-23 | 2021-08-23 | Nonmetallic abrasive preparation process |
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| CN113680500A true CN113680500A (en) | 2021-11-23 |
| CN113680500B CN113680500B (en) | 2023-05-02 |
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Cited By (1)
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| CN115501963A (en) * | 2022-09-21 | 2022-12-23 | 无锡新而立机械设备有限公司 | Marble powder making system and powder making process thereof |
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| CN113680500B (en) | 2023-05-02 |
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