CN109675706B - A coal-fired slag crushing, screening and grading device - Google Patents
A coal-fired slag crushing, screening and grading device Download PDFInfo
- Publication number
- CN109675706B CN109675706B CN201910131299.7A CN201910131299A CN109675706B CN 109675706 B CN109675706 B CN 109675706B CN 201910131299 A CN201910131299 A CN 201910131299A CN 109675706 B CN109675706 B CN 109675706B
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- screening
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- shaped frame
- covering
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- 239000002893 slag Substances 0.000 title claims abstract description 33
- 238000012216 screening Methods 0.000 title claims abstract description 27
- 230000000694 effects Effects 0.000 claims abstract description 17
- 239000000428 dust Substances 0.000 claims abstract description 8
- 230000002265 prevention Effects 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims description 15
- 230000005484 gravity Effects 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000004568 cement Substances 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 description 10
- 239000010408 film Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000013039 cover film Substances 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- B02C23/04—Safety devices
-
- 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
- B02C23/08—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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
- Crushing And Grinding (AREA)
Abstract
本发明属于水泥生产技术领域，尤其涉及一种燃煤炉渣粉碎筛分分级装置。本发明通过在粉碎机主体上设置出料管、进料管、滤网单元以及覆盖单元的方式，达到粉碎时避免粉尘扬起，以及渣料有效筛分分级的效果。本发明具有粉碎时覆盖保护结构合理有效，防粉尘扬起效果好，覆盖结构自动封闭，以及滤网筛分结构简单有效，筛分时截留料超重报警效果好，结构灵敏、自动化程度高的优点。
The present invention belongs to the technical field of cement production, and in particular, relates to a coal-fired furnace slag crushing, screening and grading device. The present invention achieves the effect of avoiding dust from being raised during crushing and effectively screening and grading slag by arranging a discharge pipe, a feed pipe, a filter unit and a covering unit on the main body of the crusher. The present invention has the advantages of a reasonable and effective covering protection structure during crushing, good dust prevention effect, automatic closure of the covering structure, a simple and effective filter screening structure, a good overweight alarm effect of the intercepted material during screening, a sensitive structure and a high degree of automation.
Description
Technical Field
The invention belongs to the technical field of cement production, and particularly relates to a coal-fired slag crushing, screening and grading device.
Background
In the cement production process, the coal-fired furnace slag is required to be crushed and graded so as to facilitate the mixing and use of the following raw materials, and the conventional process is generally realized through a crushing and screening machine. On the other hand, most of the traditional crushing and screening machines have the problem that dust is easy to pollute in the crushing process, and the health of operators is greatly endangered.
The patent publication No. CN206425068U, chinese patent publication No. 2017.08.22 discloses a crushing device, including cement manufacture groove and rubble foam storage device, the internally mounted in cement manufacture groove has the motor safety cover, the axis of rotation is installed to the top of motor safety cover, the below of openable and closable elastic plate is provided with preliminary crushing device, the second motor is installed to the below of grinder, the below of second motor is provided with the base.
However, the crushing device in the patent of the utility model has the problems of open feed inlet, inconvenient overall use and untidy.
Disclosure of Invention
The invention aims to provide a coal-fired slag crushing, screening and classifying device which can achieve the effects of avoiding dust lifting during crushing and effectively screening and classifying slag materials by arranging a discharging pipe, a feeding pipe, a filter screen unit and a covering unit on a crusher main body. The invention has the advantages of reasonable and effective covering protection structure during crushing, good dust-proof effect, automatic sealing of the covering structure, simple and effective screening structure of the filter screen, good overweight alarm effect of trapped materials during screening, sensitive structure and high degree of automation.
The technical scheme includes that the coal-fired furnace slag crushing, screening and classifying device comprises a crusher body, a discharging pipe, a feeding pipe, a filter screen unit and a covering unit, wherein the discharging pipe and the feeding pipe are arranged on the crusher body, the filter screen unit is arranged on the discharging pipe and used for screening and classifying the coal-fired furnace slag in a mode of intercepting large-particle coal-fired furnace slag through a filter screen, and the covering unit is arranged on the feeding pipe and used for covering the feeding pipe after feeding in a mode of being aligned into a complete circle after being tensioned through two semicircular covering films so as to achieve a dust-raising prevention effect.
The further preferable technical scheme is that the filter screen unit comprises an annular screen frame arranged on the lower end face of the discharge pipe, a filter screen main body arranged in the annular screen frame, a mounting ring arranged on the annular screen frame, a plugging groove arranged on the outer ring face of the discharge pipe, a mounting hole arranged on the mounting ring, and a plugging column plugged on the plugging groove and the mounting hole and used for fixing the annular screen frame.
The further preferable technical scheme is that the filter screen unit further comprises a U-shaped frame which is arranged in the inserting groove and is opened outwards, an elastic part which is arranged on the inner bottom surface of the inserting groove and is used for jacking up the U-shaped frame, and an electrified lighting part which is arranged in the inserting groove and is used for intercepting more large-particle coal-fired slag on the filter screen main body and is used for lighting a lamp when the elastic part is pressed down by gravity.
The further preferable technical scheme is that the elastic part comprises a limit groove arranged on the lower surface of the U-shaped frame, a limit column arranged on the inner bottom surface of the inserting groove and inserted into the limit groove, and a support spring sleeved on the limit column and used for jacking up the U-shaped frame.
The further preferable technical scheme is that the electrified lighting part comprises a bulb arranged on the outer side surface of the upper layer plate of the U-shaped frame, a direct current dry battery arranged on the lower surface of the U-shaped frame, a lower conducting plate arranged on the inner bottom surface of the inserting groove, an upper conducting plate arranged on the lower surface of the U-shaped frame, an inserting ring groove arranged on the inner side surface of the U-shaped frame, two arc-shaped conducting plates arranged on the inserting ring groove, and a conducting ring which is adhered to the end surface of the annular inserting column and is used for contacting and connecting the two arc-shaped conducting plates.
The further preferable technical scheme is that the two lower conducting strips are respectively connected with the two electrodes of the direct current dry battery through wires, and the two upper conducting strips are respectively connected with the bulb and one of the arc-shaped conducting strips through wires.
The further preferable technical scheme is that a screw-connection column for inserting the hollow inserting column is arranged at the opening position of the middle part of the U-shaped frame, and a screw-connection ring for screw-connection installation on the screw-connection column is arranged in the inserting column.
The further preferable technical scheme is that the covering unit comprises a mounting ring which is arranged on the side surface of the feeding pipe in a clamping way and has an inverted U-shaped section, two semicircular frame bodies which are arranged on the central annular surface of the inner side of the mounting ring in an adhering way by the arc-shaped edge, and a covering film main body which is arranged in the semicircular frame bodies.
The further preferable technical scheme is that the semicircular frame body is made of rubber.
The further preferable technical scheme is that the two semicircular frame bodies are provided with magnet piece grooves on the straight line edges of the middle parts, and magnet pieces used for aligning and sealing the two cover film main bodies in a magnetic attraction mode after the external feeding pipe is withdrawn are adhered to the magnet piece grooves.
According to the invention, the discharging pipe, the feeding pipe, the filter screen unit and the covering unit are arranged on the crusher main body, so that the effects of avoiding dust lifting during crushing and effectively screening and classifying slag materials are achieved. The invention has the advantages of reasonable and effective covering protection structure during crushing, good dust-proof effect, automatic sealing of the covering structure, simple and effective screening structure of the filter screen, good overweight alarm effect of trapped materials during screening, sensitive structure and high degree of automation.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the position structure of the filter unit in the present invention.
Fig. 3 is a schematic view showing the position structure of the elastic portion and the energizing light portion in the present invention.
Fig. 4 is a schematic diagram of the position structure of the upper conductive sheet and the arc conductive sheet in the present invention.
Fig. 5 is a schematic view of a position structure of a covering unit in the present invention.
Fig. 6 is a schematic view of a position structure of a semicircular frame body in the present invention.
Fig. 7 is a schematic view of the position structure of a magnet sheet in the present invention.
Detailed Description
The following description is of the preferred embodiments of the invention and is not intended to limit the scope of the invention.
1,2,3, 4, 5 And 6 and 7, the coal-fired slag crushing, screening and classifying device comprises a crusher body 11, a discharging pipe 12 and a feeding pipe 13 which are arranged on the crusher body 11, a filter screen unit 1 which is arranged on the discharging pipe 12 and is used for classifying the coal-fired slag by intercepting large-particle coal-fired slag through a filter screen, and a covering unit 2 which is arranged on the feeding pipe 13 and is used for covering the feeding pipe 13 after feeding and further achieving a dust-raising prevention effect by aligning the two semicircular covering films after tensioning.
In this embodiment, after the large-sized coal-fired slag is added at the feeding pipe 13, the main body 11 of the pulverizer ensures a basic pulverizing effect, and finally most of the material is changed into small particles, and the small particles pass through the discharging pipe 12 and finally penetrate through the filter screen unit 1, so that the effect of the large-sized coal-fired slag is poor in the cement production process, and therefore, the filter screen unit 1 can be used for refining and pulverizing again after interception, so as to ensure a basic screening classification pulverizing effect.
On the other hand, the feeding pipe 13 is closed after feeding, so that the feeding pipe 13 is closed by the covering unit 2 when the crusher body 11 runs and crushes, dust is prevented from being raised, and the cleanliness of the production environment and the physical health of operators are ensured.
The filter screen unit 1 comprises an annular screen frame 101 arranged on the lower end face of the discharging pipe 12, a filter screen main body 102 arranged in the annular screen frame 101, a mounting ring 103 arranged on the annular screen frame 101, a plugging groove 104 arranged on the outer annular face of the discharging pipe 12, a mounting hole 105 arranged on the mounting ring 103, and a plugging column 106 plugged on the plugging groove 104 and the mounting hole 105 and used for fixing the annular screen frame 101. The filter screen unit 1 further comprises a U-shaped frame 107 arranged in the inserting groove 104 and opening outwards, an elastic part 108 arranged on the inner bottom surface of the inserting groove 104 and used for jacking up the U-shaped frame 107, and an energizing and lighting part 109 arranged in the inserting groove 104 and used for intercepting more large-particle coal-fired slag on the filter screen main body 102 and performing lighting prompt when the elastic part 108 is pressed down by gravity.
In this embodiment, the filter screen main body 102 is trapped by qualified coal-fired slag with smaller particles, and large particles are finally installed on the discharge pipe 12 through the annular screen frame 101, the mounting ring 103 and the plug-in column 106, so that the effectiveness of the filtering and screening classification operation is ensured.
On the other hand, the plug-in column 106 is disposed on the U-shaped frame 107, an elastic portion 108 for elastic support is disposed below the U-shaped frame 107, and after a large amount of large-particle coal-fired slag is trapped on the filter screen main body 102, the plug-in column 106 presses down the U-shaped frame 107, finally the power-on lighting portion 109 is switched from a separated open state to a contact conductive state, then a bulb for warning indication emits light, an operator is prompted that a large amount of material is present on the filter screen main body 102, filtering is not needed, the filter screen main body 102 is shut down after the crushing is completed, the filter screen main body 102 is removed and large-particle coal-fired slag is poured down, and then the subsequent crushing operation is performed, so that the filter screen main body 102 is prevented from being pressed, and the large-particle coal-fired slag accumulated for many times can be subjected to further crushing operation in other manners.
The elastic portion 108 includes a limit groove 108a disposed on the lower surface of the U-shaped frame 107, a limit post 108b disposed on the inner bottom surface of the insertion groove 104 and inserted into the limit groove 108a, and a support spring 108c sleeved on the limit post 108b and used for lifting up the U-shaped frame 107. The power-on lighting part 109 comprises a bulb 109a arranged on the outer side surface of the upper layer plate of the U-shaped frame 107, a direct current dry battery 109b arranged on the lower surface of the U-shaped frame 107, a lower conducting plate 109c arranged on the inner bottom surface of the plugging groove 104, an upper conducting plate 109d arranged on the lower surface of the U-shaped frame 107, a plugging ring groove 109e arranged on the inner side surface of the U-shaped frame 107, two arc conducting plates 109f arranged on the plugging ring groove 109e, and a conducting ring 109g which is adhered on the end surface of the annular plugging column 106 and is used for contacting and connecting the two arc conducting plates 109 f. The two lower conductive pieces 109c are respectively connected to the two electrodes of the dc dry battery 109b by wires, and the two upper conductive pieces 109d are respectively connected to the bulb 109a and one of the arc conductive pieces 109f by wires. The middle opening position of the U-shaped frame 107 is provided with a screw-connection column 110 for inserting the hollow insertion column 106, and a screw-connection ring 111 for screw-connection installation on the screw-connection column 110 is arranged in the insertion column 106.
In this embodiment, the usage method and advantages of the elastic portion 108 and the energizing lighting portion 109 are as follows:
Firstly, initially, the supporting spring 108c lifts up the whole supporting spring 108c, and the left and right groups of the lower conductive sheet 109c and the upper conductive sheet 109d are in an up-down separated state, so that two only two open-circuit positions between the direct current dry battery 109b and the bulb 109a are formed, and the open-circuit positions are synchronously separated or contacted;
secondly, after a large amount of large-particle coal-fired slag is trapped on the filter screen main body 102, the crushing and pouring are required to be notified, and at the moment, the bulb 109a should emit light to prompt, so that the implementation manner is that the U-shaped frame 107 and the supporting spring 108c are pressed down, the lower conducting plate 109c and the upper conducting plate 109d are mutually propped together to complete a contact state, then the direct current dry battery 109b supplies power to the bulb 109a, the bulb 109a emits light smoothly to play a role of warning, and a red light source or a buzzer can be arranged, so that the effect is better;
Thirdly, after the bulb 109a emits light and alarms, after the batch in the crusher main body 11 is crushed, the equipment is closed, the plug-in column 106 is taken out, the annular net frame 101 and the filter screen main body 102 are taken down, large particles are poured out to intercept coal-fired slag, and then the crushing operation after reinstallation can be performed, so that the discharge pipe 12 is prevented from being blocked, and the filter screen main body 102 is prevented from being crushed;
Fourth, the pre-warning value of the interception amount on the filter screen main body 102 may be set by numerical adjustment methods such as the elastic coefficient of the supporting spring 108c, the vertical distance between the lower conductive sheet 109c and the upper conductive sheet 109d, and the weight of the annular screen frame 101 itself, for example, when the filter screen main body 102 is thicker and can bear more interception materials, the elastic coefficient of the supporting spring 108c may be appropriately increased, and the vertical distance between the lower conductive sheet 109c and the upper conductive sheet 109d may also be appropriately increased;
Fifth, the lower conductive plate 109c is vertically aligned with the upper conductive plate 109d, and the U-shaped frame 107 may play a supporting and limiting role after being pressed down, so as to prevent the U-shaped frame 107 from crushing the dc dry battery 109b, and the screw connection between the screw connection post 110 and the screw connection ring 111 ensures that the plug connection post 106 is not easy to fall off from the plug connection slot 104.
The covering unit 2 comprises a mounting ring 201 which is arranged on the side surface of the feeding pipe 13 in a clamping manner and has an inverted U-shaped section, two semicircular frame bodies 202 which are arranged on the central annular surface of the inner side of the mounting ring 201 in an adhering manner by virtue of arc-shaped edges, and a covering film main body 203 which is arranged in the semicircular frame bodies 202. The semicircular frame 202 is made of rubber. The two semicircular frames 202 are provided with magnet slots 204 on the straight edges of the middle part, and magnet sheets 205 for aligning and sealing the two cover film main bodies 203 by magnetic attraction after the external feeding pipe is withdrawn are adhered to the magnet slots 204.
In this embodiment, the two semicircular frames 202 and the cover film main body 203 form a solid semicircular structure, the circular edges of the semicircular structure are bonded, the two linear edges are close to each other and are bonded through the two rows of the magnet sheets 205, so that the external feeding pipe has the advantages of convenient insertion and feeding due to resistance when inserted into the middle of the two linear edges, and the feeding is completed, after the external feeding pipe is pulled out, the linear edges rely on self elasticity and attractive magnetic force between the two rows of the magnet sheets 205, the initial alignment can be restored after the pulling-out action, the effect of a complete circle is formed by splicing, and the cover unit 2 is finally sealed, so that dust is not easy to raise when the pulverizer main body 11 runs.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various modifications may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention. These are all non-inventive modifications which are intended to be protected by the patent laws within the scope of the appended claims.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910131299.7A CN109675706B (en) | 2019-02-22 | 2019-02-22 | A coal-fired slag crushing, screening and grading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910131299.7A CN109675706B (en) | 2019-02-22 | 2019-02-22 | A coal-fired slag crushing, screening and grading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109675706A CN109675706A (en) | 2019-04-26 |
| CN109675706B true CN109675706B (en) | 2024-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910131299.7A Active CN109675706B (en) | 2019-02-22 | 2019-02-22 | A coal-fired slag crushing, screening and grading device |
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| CN110448948B (en) * | 2019-08-19 | 2021-08-13 | 福建省众道发展有限公司 | A convenient-to-use device for filtering and removing impurities for sweet potato powder |
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| CN209885970U (en) * | 2019-02-22 | 2020-01-03 | 福建福清万年青水泥有限公司 | Coal-fired furnace slag crushing, screening and grading device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20160137016A (en) * | 2015-05-22 | 2016-11-30 | (주)글로벌코리아 | How to screening device and selection of iron steel slag recycling |
| CN107197969B (en) * | 2017-03-08 | 2021-05-11 | 铅山县黄岗山有机资源开发有限公司 | Gravity sensing rolling and screening integrated machine for automatic tea processing |
| CN108636506A (en) * | 2018-05-30 | 2018-10-12 | 长沙曙光医疗科技有限公司 | A kind of broken reclaimer of milling of energy saving and environment friendly medical orthopaedics waste plaster |
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- 2019-02-22 CN CN201910131299.7A patent/CN109675706B/en active Active
Patent Citations (5)
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|---|---|---|---|---|
| CN202212145U (en) * | 2011-07-28 | 2012-05-09 | 黄山新力油墨科技有限公司 | Dispersing cylinder cover |
| CN106965351A (en) * | 2017-03-30 | 2017-07-21 | 山东天海新材料工程有限公司 | A kind of polyethylene board reducing mechanism |
| CN207446590U (en) * | 2017-11-03 | 2018-06-05 | 重庆利普科技有限公司 | A kind of powder spraying apparatus of environment protection-type electrostatic powder coating |
| CN108671619A (en) * | 2018-05-23 | 2018-10-19 | 杨小洲 | A kind of alarm type wastewater treatment device based on pressure sensitive |
| CN209885970U (en) * | 2019-02-22 | 2020-01-03 | 福建福清万年青水泥有限公司 | Coal-fired furnace slag crushing, screening and grading device |
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| CN109675706A (en) | 2019-04-26 |
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