CN210022424U - Slag and cement combined grinding production line - Google Patents
Slag and cement combined grinding production line Download PDFInfo
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- CN210022424U CN210022424U CN201920562829.9U CN201920562829U CN210022424U CN 210022424 U CN210022424 U CN 210022424U CN 201920562829 U CN201920562829 U CN 201920562829U CN 210022424 U CN210022424 U CN 210022424U
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Abstract
The utility model provides a combined grinding production line for slag and cement, which comprises a slag feeding mechanism, a grinding device, a slag powder selecting mechanism, a slag finished product collecting mechanism, a cement feeding mechanism, a cement powder selecting mechanism, a cement secondary grinding mechanism and a cement finished product collecting mechanism, wherein the slag feeding mechanism, the grinding device and the slag finished product collecting mechanism are sequentially connected, and the slag powder selecting mechanism is connected with the grinding device; the cement feeding mechanism, the grinding device, the cement powder selecting mechanism, the cement secondary grinding mechanism and the cement finished product collecting mechanism are sequentially connected. When the vertical mill is used for pre-grinding, all materials are lifted mechanically, so that the pneumatic conveying power consumption of the materials in the mill and the power consumption of a system fan are greatly reduced; the design of one-line dual-purpose and one-grinding dual-purpose saves the occupied space and reduces the investment cost.
Description
Technical Field
The utility model relates to a slay and cement grinding system specifically are slay and cement combined grinding production line.
Background
The slag is the residue of ore after mineral processing or smelting, the slag is not easy to stack and can cause environmental pollution, in order to improve the resource recycling rate, the slag is widely applied to industrial production and plays an important role, and is mixed with cement clinker to prepare slag cement, so that the problems of slag pollution to the environment and resource waste are solved, and on the other hand, because a large amount of slag is consumed in the preparation of the slag cement, the exploitation of cement raw ore is reduced to a great extent, and the energy is saved. At present, the production line for producing cement is basically composed of grinding equipment which takes a roller press, a vertical mill and a ball mill as mainstream. The slag production system mainly uses a roller press and a vertical mill as mainstream grinding equipment, slag is high in grindability, various and harsh in performance of the grinding equipment, and when slag cement is generally prepared, two production lines of slag and cement are generally built in a factory respectively, and then finished products are mixed into the slag cement according to a certain proportion, so that the two production lines not only occupy a large space, but also increase the investment cost.
In order to respond to national energy-saving consumption-reducing opening and overcome the defects of two production lines required by the production of slag cement at present, the company provides a slag and cement combined grinding production line. Two traditional production lines are combined into one, and especially, the vertical mill is used together, so that the cost is greatly saved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough of prior art, provide a slay and cement combination grinding production line, merge into one with two traditional production lines, especially to the used together of vertical mill, practiced thrift very big cost, for two traditional production lines, this novel production line has the advantage such as the occupation space is little, investment cost is low.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
a combined grinding production line for slag and cement comprises a slag feeding mechanism, a grinding device, a slag powder selecting mechanism, a slag finished product collecting mechanism, a cement feeding mechanism, a cement powder selecting mechanism, a cement secondary grinding mechanism and a cement finished product collecting mechanism, wherein the slag feeding mechanism, the grinding device and the slag finished product collecting mechanism are sequentially connected, and the slag powder selecting mechanism is connected with the grinding device; the cement feeding mechanism, the grinding device, the cement powder selecting mechanism, the cement secondary grinding mechanism and the cement finished product collecting mechanism are sequentially connected.
The hot blast stove is connected with the milling device; and starting the hot blast stove when the slag powder is produced.
The milling device is a vertical mill.
The slag feeding mechanism comprises a belt conveyor I and a rotary air-locking feeding machine I which are sequentially connected, and a discharge port of the rotary air-locking feeding machine is connected with the vertical mill.
The slag powder selecting mechanism comprises a belt conveyor II, a hoister III and a rotary air locking feeder II which are sequentially connected, and the belt conveyor II is connected with the vertical mill.
The slag finished product collecting mechanism comprises a first bag type dust collector, a second air conveying chute and a second elevator which are sequentially connected, and the first bag type dust collector is connected with the vertical mill.
The cement feeding mechanism comprises a belt conveyor III, a hoister III and a rotary air locking feeder II which are sequentially connected, and the vertical mill is connected with the rotary air locking feeder II.
The cement powder selecting mechanism comprises a fourth hoister, a V-shaped powder selecting machine, a dynamic powder selecting machine and a fifth hoister which are sequentially connected, wherein the fourth hoister is connected with the outlet of the vertical mill, and the fifth hoister is connected with the inlet of the vertical mill.
The cement secondary grinding mechanism comprises an air conveying chute III and a ball mill which are sequentially connected, and the air conveying chute III is connected with a discharge port of the dynamic powder concentrator.
The cement finished product collecting mechanism comprises an air conveying chute IV, an air conveying chute I and a lifter I which are sequentially connected, the air conveying chute IV is connected with a discharge port of the ball mill, and the ball mill is connected with a bag type dust collector II.
The utility model has the advantages and beneficial effects that: firstly, when the vertical mill is used for pre-grinding, all materials are mechanically lifted, so that the pneumatic conveying power consumption of the materials in the mill and the power consumption of a system fan are greatly reduced; and secondly, the design of one-line dual-purpose and one-grinding dual-purpose saves the occupied space and reduces the investment cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of a cement production line according to the present invention;
fig. 3 is a schematic structural diagram of the slag production line of the present invention.
In the figure: 1. a first belt conveyor; 2. a first hoister; 3. a first air delivery chute; 4. a second air conveying chute; 5. a first bag type dust collector; 6. an electric butterfly valve; 7. vertical grinding; 8. a first rotary air-locking feeder; 9. a second rotary air-locking feeder; 10. a first belt conveyor; 11. a belt conveyor II; 12. a hot blast stove; 13. a belt conveyor III; 14. a third hoister; 15. a fourth hoister; 16. a V-shaped powder concentrator; 17. a dynamic powder concentrator; 18. a fifth hoisting machine; 19. an air delivery chute III; 20. a ball mill; 21. a bag type dust collector II; 22. and a fourth air conveying chute.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
as shown in fig. 1, a combined grinding production line for slag and cement comprises a first elevator 1, a second elevator 2, a first air conveying chute 3, a second air conveying chute 4, a first bag type dust collector 5, an electric butterfly valve 6, a vertical mill 7, a first rotary air locking feeder 8, a second rotary air locking feeder 9, a first belt conveyor 10, a second belt conveyor 11, a hot blast stove 12, a third belt conveyor 13, a third elevator 14, a fourth elevator 15, a V-shaped powder concentrator 16, a dynamic powder concentrator 17, a fifth elevator 18, a third air conveying chute 19, a ball mill 20, a second bag type dust collector 21 and a fourth air conveying chute 22; the V-shaped powder concentrator 16 belongs to first-stage powder concentration, the dynamic powder concentrator 17 belongs to second-stage powder concentration, and the V-shaped powder concentrator 16 and the dynamic powder concentrator 17 jointly form a powder concentration system.
As shown in fig. 1, the vertical mill 7 forms a common unit of a slag grinding system and a cement combined grinding system, and the vertical mill 7 is connected with the hot blast stove 12.
As shown in fig. 3, the first belt conveyor 10, the first rotary air-locking feeder 8 and the vertical mill 7 are sequentially connected to realize the slag conveying, grinding, powder selecting and drying operations, and the vertical mill 7, the second belt conveyor 11, the third elevator 14 and the second rotary air-locking feeder 9 are sequentially connected to form a circulating system to realize the slag conveying, grinding, powder selecting and drying operations.
As shown in figure 3, the electric butterfly valve 6 is arranged between the vertical mill 7 and the first bag type dust collector 5, and the vertical mill 7, the first bag type dust collector 5, the second air conveying chute 4 and the second elevator 2 are sequentially connected, so that the conveying and collecting operation of slag finished products is realized.
As shown in fig. 2, the third belt conveyor 13, the third elevator 14, the second rotary airlock feeder 9 and the vertical mill 7 are connected in sequence to realize the conveying and grinding operation of the cement mixture.
As shown in fig. 2, the V-shaped powder concentrator 16 and the dynamic powder concentrator 17 are connected in sequence to form a powder concentration system, so as to realize the first-stage powder concentration and the second-stage powder concentration of the cement admixture;
as shown in fig. 2, the vertical mill 7, the fourth elevator 15, the V-type powder concentrator 16, the dynamic powder concentrator 17, and the fifth elevator 18 are connected in sequence to form a circulation system, so as to realize the regrinding operation of the cement admixture coarse particles.
As shown in fig. 2, the dynamic powder concentrator 17, the air delivery chute iii 19 and the ball mill 20 are connected in sequence to form a secondary grinding system, so as to further refine the finer cement admixture particles.
As shown in fig. 2, the ball mill 20 is connected with the second bag type dust collector 21 to realize dust collection processing on the output end of the ball mill.
As shown in fig. 2, the ball mill 20, the air delivery chute four 22, the air delivery chute one 3 and the elevator one 1 are connected in sequence, so that the operations of conveying, collecting and the like of the cement admixture finished product are realized.
The utility model discloses a design of slay and cement combined grinding production line, this production line mainly contain slay grinding system and cement combined grinding system two parts. When slag is produced, the water content of the finished product is lower than 1%, and the fineness of the product is more than 420m2The slag raw material enters a first rotary air-locking feeding machine 8 through a first belt conveyor 10 and is fed into a vertical mill 7 as shown in figure 3, drying, grinding, powder selection and other operations are realized in the vertical mill 7, coarse particles are discharged outside through a slag discharge port and are conveyed to a third elevator 14 through a second belt conveyor 11, the coarse particles enter the vertical mill 7 again through a second rotary air-locking feeding machine 9 for grinding, fine particles are collected through a first bag type dust collector 5 and are conveyed to a finished slag product warehouse through a second air conveying chute 4 and a second elevator 2 in sequence.
When cement is produced, the water content of finished products is lower than 1%, and the fineness of the products is more than 350m2kg, the yield is higher than 120t/h, as shown in fig. 2, the cement mixture is fed into the vertical mill 7 through the third belt conveyor 13, the third elevator 14 and the second rotary air-locking feeder 9 in sequence, the grinding operation of the cement mixture is carried out, the vertical mill 7 plays a role of pre-grinding, the ground particles enter the V-shaped powder concentrator 16 through the fourth elevator 15 for primary powder selection, the coarser particles are lifted to the vertical mill 7 for secondary grinding through the fifth elevator 18, the finer particles enter the dynamic powder concentrator 17 for secondary powder selection, the coarser particles enter the fifth elevator 18, and the cement is ground in the vertical mill 7 again, the selected fine particles are conveyed into a ball mill 20 through an air conveying chute III 19 for secondary grinding operation, and a finished product is conveyed into a cement finished product warehouse through an air conveying chute IV 22, an air conveying chute I3 and a lifter I1 at one time.
The utility model discloses vertical mill can regard as the end grinding equipment to producing slay grinding production line, off-the-shelf ore depositThe fineness of the slag is more than 420m2The material is/kg, and is transported to a slag powder warehouse through conveying equipment; for a cement combined grinding production line, a vertical mill can be used as pre-grinding equipment, a product is sieved by a V-shaped powder concentrator, a dynamic powder concentrator and the like, a finer cement mixture enters a ball mill for further grinding, and the final fineness of the cement mixture is 350m2And about/kg, and transporting to a cement warehouse through transportation equipment. Two products of one production line realize the design thinking of vertical grinding and grinding, thereby realizing the design purpose.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. The utility model discloses concrete realization does not receive the restriction of above-mentioned mode, as long as adopted the utility model discloses a method design and technical scheme go on various insubstantial improvements, or not improve will the utility model discloses a design and technical scheme are directly applied to other occasions, all are within the protection scope.
Claims (10)
1. The utility model provides a grinding production line is united to slay and cement which characterized in that: the slag powder grinding device comprises a slag feeding mechanism, a powder grinding device, a slag powder selecting mechanism, a slag finished product collecting mechanism, a cement feeding mechanism, a cement powder selecting mechanism, a cement secondary grinding mechanism and a cement finished product collecting mechanism, wherein the slag feeding mechanism, the powder grinding device and the slag finished product collecting mechanism are sequentially connected, and the slag powder selecting mechanism is connected with the powder grinding device; the cement feeding mechanism, the grinding device, the cement powder selecting mechanism, the cement secondary grinding mechanism and the cement finished product collecting mechanism are sequentially connected.
2. The slag and cement combined grinding production line according to claim 1, characterized in that: the hot blast stove is connected with the milling device; and starting the hot blast stove when the slag powder is produced.
3. The slag and cement combined grinding production line according to claim 1, characterized in that: the milling device is a vertical mill.
4. The slag and cement combined grinding production line according to claim 3, characterized in that: the slag feeding mechanism comprises a belt conveyor I and a rotary air-locking feeding machine I which are sequentially connected, and a discharge port of the rotary air-locking feeding machine is connected with the vertical mill.
5. The slag and cement combined grinding production line according to claim 3, characterized in that: the slag powder selecting mechanism comprises a belt conveyor II, a hoister III and a rotary air locking feeder II which are sequentially connected, and the belt conveyor II is connected with the vertical mill.
6. The slag and cement combined grinding production line according to claim 3, characterized in that: the slag finished product collecting mechanism comprises a first bag type dust collector, a second air conveying chute and a second elevator which are sequentially connected, and the first bag type dust collector is connected with the vertical mill.
7. The slag and cement combined grinding production line according to claim 3, characterized in that: the cement feeding mechanism comprises a belt conveyor III, a hoister III and a rotary air locking feeder II which are sequentially connected, and the vertical mill is connected with the rotary air locking feeder II.
8. The slag and cement combined grinding production line according to claim 3, characterized in that: the cement powder selecting mechanism comprises a fourth hoister, a V-shaped powder selecting machine, a dynamic powder selecting machine and a fifth hoister which are sequentially connected, wherein the fourth hoister is connected with the outlet of the vertical mill, and the fifth hoister is connected with the inlet of the vertical mill.
9. The slag and cement combined grinding production line according to claim 8, characterized in that: the cement secondary grinding mechanism comprises an air conveying chute III and a ball mill which are sequentially connected, and the air conveying chute III is connected with a discharge port of the dynamic powder concentrator.
10. The slag and cement combined grinding production line according to claim 9, characterized in that: the cement finished product collecting mechanism comprises an air conveying chute IV, an air conveying chute I and a lifter I which are sequentially connected, the air conveying chute IV is connected with a discharge port of the ball mill, and the ball mill is connected with a bag type dust collector II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920562829.9U CN210022424U (en) | 2019-04-24 | 2019-04-24 | Slag and cement combined grinding production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920562829.9U CN210022424U (en) | 2019-04-24 | 2019-04-24 | Slag and cement combined grinding production line |
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| CN210022424U true CN210022424U (en) | 2020-02-07 |
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| CN201920562829.9U Active CN210022424U (en) | 2019-04-24 | 2019-04-24 | Slag and cement combined grinding production line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115212984A (en) * | 2022-06-21 | 2022-10-21 | 黄石新兴管业有限公司 | Online crushing and screening equipment and process for large-particle-size nickel ores |
| CN115888948A (en) * | 2022-11-16 | 2023-04-04 | 成武金利宏新能源有限公司 | Preparation method of slag micro powder |
-
2019
- 2019-04-24 CN CN201920562829.9U patent/CN210022424U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115212984A (en) * | 2022-06-21 | 2022-10-21 | 黄石新兴管业有限公司 | Online crushing and screening equipment and process for large-particle-size nickel ores |
| CN115888948A (en) * | 2022-11-16 | 2023-04-04 | 成武金利宏新能源有限公司 | Preparation method of slag micro powder |
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