CN220004242U - Cement grinding aid feeding device - Google Patents
Cement grinding aid feeding device Download PDFInfo
- Publication number
- CN220004242U CN220004242U CN202321303146.4U CN202321303146U CN220004242U CN 220004242 U CN220004242 U CN 220004242U CN 202321303146 U CN202321303146 U CN 202321303146U CN 220004242 U CN220004242 U CN 220004242U
- Authority
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- China
- Prior art keywords
- screen plate
- box body
- crushing
- crushing box
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004568 cement Substances 0.000 title claims abstract description 22
- 238000000227 grinding Methods 0.000 title claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000003756 stirring Methods 0.000 claims abstract description 31
- 238000012216 screening Methods 0.000 claims abstract description 24
- 239000011344 liquid material Substances 0.000 claims abstract description 7
- 230000007423 decrease Effects 0.000 claims abstract description 3
- 238000007790 scraping Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000010298 pulverizing process Methods 0.000 description 8
- 239000011343 solid material Substances 0.000 description 8
- 241001233242 Lontra Species 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 239000013590 bulk material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model discloses a cement grinding aid feeding device, which comprises a screening and crushing device and a mixing device; the screening and crushing device comprises a crushing box body and a screening screen plate; the screening screen plate comprises a conical screen plate and an annular screen plate; the height of the conical screen plate gradually decreases from the middle to the edge; the top of the crushing box body is provided with a feeding pipe; the feeding pipe comprises a first vertical pipe, an inclined pipe and a second vertical pipe which are sequentially communicated; the first vertical pipe is rotationally connected with the crushing box body; the crushing box body is provided with a driving component for driving the first vertical pipe to rotate; the outer wall of the inclined tube is provided with a vertical rotating shaft which extends downwards and is arranged corresponding to the central part of the conical screen plate; the rotating shaft is provided with a crushing assembly for materials on the annular screen plate; the bottom of the crushing box body is provided with a discharging pipe which extends downwards and is communicated with the inside of the mixing device; the mixing device is provided with a liquid material inlet, and the bottom of the mixing device is provided with a discharge pipe; the mixing device is internally provided with a stirring device.
Description
Technical Field
The utility model belongs to the technical field of grinding aid production equipment, and particularly relates to a cement grinding aid feeding device.
Background
The cement grinding aid is a chemical additive for improving the grinding effect and performance of cement, and can obviously improve the mildness of the cement, improve the fluidity of the cement and reduce the grinding energy consumption. When the cement grinding aid is produced, various solid additives, water and other liquid additives are required to be mixed and stirred, and finally the cement grinding aid which is uniformly mixed is obtained. Wherein various solid additives in the raw materials, such as phosphorous acid, sodium lignin sulfonate and the like, are easy to generate agglomeration phenomenon after long-time placement. When the cement grinding aid is produced, the weighed materials are added into a stirring device by using a screw conveyer or a conveyor belt and the like, and the liquid materials are conveyed into the stirring device by using a pump and the like and then are stirred and mixed. However, since the solid material is agglomerated and the stirring time is correspondingly prolonged, the production efficiency is low, and therefore, a cement grinding aid feeding device is needed to solve the problems.
Disclosure of Invention
The utility model aims to provide a feeding device capable of carrying out preliminary treatment on solid materials, and the problem that the stirring production speed is influenced due to the fact that massive materials directly enter a mixing box body is avoided. In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the cement grinding aid feeding device comprises a screening and crushing device and a mixing device, wherein the screening and crushing device comprises a crushing box body and a screening screen plate arranged in the crushing box body; the screening screen plate comprises a conical screen plate and an annular screen plate used for connecting the conical screen plate and the inner wall of the crushing box body; the height of the conical screen plate is gradually reduced from the middle to the edge; a feeding pipe is arranged at the top of the crushing box body; the feeding pipe comprises a first vertical pipe, an inclined pipe and a second vertical pipe which are sequentially communicated; the first vertical pipe is rotationally connected with the crushing box body, and the upper end of the first vertical pipe extends out of the crushing box body; the crushing box body is provided with a driving component for driving the first vertical pipe to rotate; a vertical rotating shaft is arranged on the outer wall of the inclined tube, extends downwards and is arranged corresponding to the central part of the conical screen plate; the rotating shaft is provided with a crushing assembly for materials on the annular screen plate; the bottom of the crushing box body is provided with a discharging pipe which extends downwards and is communicated with the inside of the mixing device; the mixing device is provided with a liquid material feeding hole, and the bottom of the mixing device is provided with a discharge pipe; and a stirring device is arranged in the mixing device.
Further, the crushing assembly comprises at least one inclined connecting rod which is arranged on the rotating shaft and extends towards the inner wall of the crushing box body, and a crushing roller which is positioned above the annular screen plate; the inclined connecting rod comprises an inclined rod connected with the rotating shaft and a horizontal rod connected with the inclined rod; the horizontal rod is parallel to the surface of the annular screen plate, and the crushing roller is rotationally connected with the horizontal rod; the crushing roller is used for extruding the materials on the annular screen plate.
Further, a driven bevel gear is sleeved on the part of the vertical pipe positioned outside the crushing box body; the driving component is a first motor arranged on the crushing box body; and a driving bevel gear for driving the driven bevel gear is arranged at the output end of the first motor.
Further, the upper end of the first vertical pipe is communicated with a feed hopper through a rotary joint.
Further, the rotating shaft penetrates through the center part of the conical mesh plate and is rotationally connected with the conical mesh plate; the part of the rotating shaft above the conical screen plate is connected with a first scraping plate through a fixing rod, and the part of the rotating shaft below the conical screen plate is connected with a second scraping plate through a fixing rod; the first scraping plate is abutted with the upper surface of the conical screen plate; and the second scraping plate is abutted with the bottom surface of the crushing box body.
Further, a plurality of crushing protrusions are arranged on the surface of the crushing roller.
Further, the stirring device comprises a stirring rod positioned in the mixing device, a plurality of stirring blades arranged on the stirring rod and a second motor; the second motor is located outside the mixing device, and an output shaft of the second motor is connected with the stirring rod and used for driving the stirring rod to rotate.
Further, a plurality of spoilers are arranged on the inner wall of the mixing device.
The utility model has the beneficial effects that: 1. the utility model is provided with a screening and crushing device, solid materials enter a crushing box body in a first movable vertical pipe, firstly, the materials fall onto a screening screen plate, large-block materials are intercepted on the screening screen plate, small-particle materials enter the lower part of the screening screen plate, and finally enter a mixing device through a discharging pipe to be mixed with liquid materials;
2. the crushing assembly is arranged in the utility model, when the large-sized materials are intercepted by the screening screen plate, the large-sized materials gradually slide down along the conical screen plate until the large-sized materials fall onto the annular screen plate, the crushing assembly rotates along with the rotating shaft, and then the crushing assembly extrudes and crushes the materials falling onto the annular screen plate, and the crushed materials fall below the screening screen plate through the annular screen plate, so that the large-sized materials can be crushed without opening a crushing box body to clean the intercepted materials;
3. according to the utility model, the materials enter the crushing box body from the first vertical pipe and then fall down through the second vertical pipe, and the driving assembly can drive the second vertical pipe to rotate, so that the materials can uniformly fall onto the conical screen plate, and only the intercepted large-sized materials and small-sized particles can enter the annular screen plate, so that the crushing pressure of the crushing assembly is greatly reduced.
Description of the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the A-A structure of the screening and pulverizing apparatus of the present utility model;
reference numerals: 1. crushing a box body; 2. a mixing device; 3. a discharge pipe; 4. a first motor; 5. a first vertical pipe; 6. a rotary joint; 7. a feed hopper; 8. a discharge pipe; 9. an inclined tube; 10. a second vertical pipe; 11. a rotating shaft; 12. a diagonal rod; 13. a horizontal bar; 14. a pulverizing roller; 15. conical mesh plate; 16. an annular screen plate; 17. a second scraping plate; 18. a second motor; 19. a stirring rod; 20. and a first scraper.
Detailed Description
The technical solution of the present utility model will be further described with reference to fig. 1-2 and examples, so that those skilled in the art can more clearly understand the contents of the technical solution.
Example 1:
the cement grinding aid feeding device comprises a screening and crushing device and a mixing device 2; a feeding pipe is arranged at the top of the crushing box body 1; the feeding pipe comprises a first vertical pipe 5, an inclined pipe 9 and a second vertical pipe 10 which are sequentially communicated; the first vertical pipe 5 is rotatably connected with the crushing box body 1, and the upper end of the first vertical pipe extends out of the crushing box body 1; a driving component for driving the first vertical pipe 5 to rotate is arranged outside the crushing box body 1; the part of the first vertical pipe 5 positioned outside the crushing box body 1 is sleeved with a driven bevel gear; the driving component is a motor I4 arranged on the crushing box body 1; the output end of the motor I4 is provided with a drive bevel gear for driving a driven bevel gear. The upper end of the first vertical pipe 5 is communicated with a feed hopper 7 through a rotary joint 6, and the feed hopper is fixed at the top of the crushing box body through a bracket.
The screening and crushing device comprises a crushing box body 1 and a screening screen plate arranged in the crushing box; the screening screen plate comprises a conical screen plate 15 and an annular screen plate 16 used for connecting the conical screen plate 15 and the inner wall of the crushing box body 1; the height of the conical screen 15 gradually decreases from the middle to the edge. The weighed solid materials can be added into the feed hopper through the screw conveyor or the conveyor belt, and the solid materials are uniformly scattered onto the conical screen plate along with the rotation of the first vertical pipe of the motor, and the higher parts of the corresponding conical screen plate are arranged on the second vertical pipe, so that the solid materials can be uniformly scattered on the upper part of the conical screen plate, and the screening of the materials is facilitated. The massive materials slide down along the conical screen until falling into the annular screen.
A vertical rotating shaft 11 is arranged on the outer wall of the inclined tube 9, and the rotating shaft 11 extends downwards and is arranged corresponding to the central part of the conical screen plate 15; the rotating shaft 11 is provided with a crushing assembly for materials on the annular screen plate 16; because the bulk material falls into annular otter board department, consequently when the pivot rotates, smash the subassembly and smash the bulk material, the material after smashing then passes annular otter board and falls into the below. The bottom of the crushing box body 1 is provided with a discharge pipe 3, and the discharge pipe 3 extends downwards to be communicated with the inside of the mixing device 2; the mixing device 2 is provided with a liquid material feeding hole, and the bottom of the mixing device is provided with a discharge pipe 8; a stirring device is arranged in the mixing device 2.
In this embodiment, the mixing device is not modified, and any mixing device in the prior art may be used. In this embodiment solid material, for example materials such as sodium lignin sulfonate, through the feeder hopper in adding crushing box, through being provided with cone otter board and cyclic annular otter board in this embodiment, realized separating bulk material, simultaneously, crushing subassembly need not smash whole materials, only need smash the bulk material of interception, reduced crushing subassembly's load, and then improved production efficiency. The crushed materials enter the mixing device for stirring and mixing, and the effect of uniform mixing can be achieved at a high speed because large materials do not exist.
Example 2:
the difference between this embodiment and embodiment 1 is that a specific structure of a pulverizing assembly is provided in this embodiment, the pulverizing assembly includes at least one inclined connecting rod disposed on the rotating shaft 11 and extending toward the inner wall of the pulverizing box 1, and a pulverizing roller 14 located above the annular mesh plate 16; the inclined connecting rod comprises an inclined rod 12 connected with the rotating shaft 11 and a horizontal rod 13 connected with the inclined rod 12; the horizontal rod 13 is parallel to the surface of the annular screen plate 16, and the crushing roller 14 is rotationally connected with the horizontal rod 13; the crushing roller 14 is used for pressing the material on the annular net plate 16. The surface of the pulverizing roller 14 is provided with a plurality of pulverizing protrusions. In this embodiment, when the motor first drives the rotating shaft to rotate, the crushing roller rotates around the rotating shaft, and the crushing roller can crush the bulk materials on the surface in the process of continuously rotating on the annular screen plate, so that the bulk materials are prevented from accumulating on the surface of the annular screen plate.
Example 3:
this embodiment differs from embodiment 2 in that: in this embodiment, the rotating shaft 11 penetrates through the central part of the conical mesh plate 15 and is rotationally connected with the conical mesh plate 15; the part of the rotating shaft 11 above the conical screen plate 15 is connected with a first scraping plate 20 through a fixing rod, and the part of the rotating shaft 11 below the conical screen plate 15 is connected with a second scraping plate 17 through a fixing rod; the first scraping plate 20 is abutted with the upper surface of the conical screen plate 15; the second scraper 17 abuts against the bottom surface of the crushing box 1. In this embodiment, the first scraper and the second scraper are additionally arranged, and the first scraper and the second scraper are driven to rotate when the rotating shaft rotates, so that the materials at the bottoms of the conical screen plate, the annular screen plate and the crushing box body can be stirred when the first scraper and the second scraper rotate, and the materials fall down in an acceleration manner.
The structure of the stirring device is provided in the embodiment, and the stirring device comprises a stirring rod 19 positioned in the mixing device 2, a plurality of stirring blades arranged on the stirring rod 19, and a second motor 18; the second motor 18 is located outside the mixing device 2, and an output shaft of the second motor 18 is connected with the stirring rod 19, so as to drive the stirring rod 19 to rotate. A plurality of spoilers are arranged on the inner wall of the mixing device 2. The liquid material is conveyed into the mixing device by the pump, the solid material enters the mixing device after passing through the crushing box body, and the stirring device in the mixing device can mix and stir the materials, so that the mixed materials are obtained, and finally the materials are discharged from the lowest discharge pipe.
Claims (8)
1. The utility model provides a cement grinding aid feeding device, includes screening reducing mechanism to and mixing arrangement (2), its characterized in that: the screening and crushing device comprises a crushing box body (1) and a screening screen plate arranged in the crushing box; the screening screen plate comprises a conical screen plate (15) and an annular screen plate (16) used for connecting the conical screen plate (15) with the inner wall of the crushing box body (1); the height of the conical screen plate (15) gradually decreases from the middle to the edge; the top of the crushing box body (1) is provided with a feeding pipe; the feeding pipe comprises a first vertical pipe (5), an inclined pipe (9) and a second vertical pipe (10) which are sequentially communicated; the first vertical pipe (5) is rotationally connected with the crushing box body (1), and the upper end of the first vertical pipe extends out of the crushing box body (1); a driving component for driving the first vertical pipe (5) to rotate is arranged outside the crushing box body (1); a vertical rotating shaft (11) is arranged on the outer wall of the inclined tube (9), and the rotating shaft (11) extends downwards and is arranged corresponding to the central part of the conical screen plate (15); the rotating shaft (11) is provided with a crushing assembly for materials on the annular screen plate (16); the bottom of the crushing box body (1) is provided with a discharge pipe (3), and the discharge pipe (3) extends downwards to be communicated with the inside of the mixing device (2); the mixing device (2) is provided with a liquid material feeding hole, and the bottom of the mixing device is provided with a discharge pipe (8); a stirring device is arranged in the mixing device (2).
2. The cement grinding aid charging device as defined in claim 1, wherein: the crushing assembly comprises at least one inclined connecting rod which is arranged on the rotating shaft (11) and extends towards the inner wall of the crushing box body (1), and a crushing roller (14) which is positioned above the annular screen plate (16); the inclined connecting rod comprises an inclined rod (12) connected with the rotating shaft (11) and a horizontal rod (13) connected with the inclined rod (12); the horizontal rod (13) is parallel to the surface of the annular screen plate (16), and the crushing roller (14) is rotationally connected with the horizontal rod (13); the crushing roller (14) is used for extruding the materials on the annular screen plate (16).
3. The cement grinding aid charging device as defined in claim 1, wherein: the part of the first vertical pipe (5) positioned outside the crushing box body (1) is sleeved with a driven bevel gear; the driving component is a motor I (4) arranged on the crushing box body (1); and a driving bevel gear for driving the driven bevel gear is arranged at the output end of the motor I (4).
4. A cement grinding aid charging device as defined in claim 3, wherein: the upper end of the first vertical pipe (5) is communicated with a feed hopper (7) through a rotary joint (6).
5. The cement grinding aid charging device as defined in claim 1, wherein: the rotating shaft (11) penetrates through the center of the conical screen plate (15) and is rotationally connected with the conical screen plate (15); the part of the rotating shaft (11) above the conical screen plate (15) is connected with a first scraping plate (20) through a fixing rod, and the part of the rotating shaft (11) below the conical screen plate (15) is connected with a second scraping plate (17) through a fixing rod; the first scraping plate (20) is abutted with the upper surface of the conical screen plate (15); the second scraper (17) is abutted with the bottom surface of the crushing box body (1).
6. A cement grinding aid charging device as defined in claim 2, wherein: a plurality of crushing bulges are arranged on the surface of the crushing roller (14).
7. The cement grinding aid charging device as defined in claim 1, wherein: the stirring device comprises a stirring rod (19) positioned in the mixing device (2), a plurality of stirring blades arranged on the stirring rod (19) and a second motor (18); the second motor (18) is located outside the mixing device (2), and an output shaft of the second motor (18) is connected with the stirring rod (19) and used for driving the stirring rod (19) to rotate.
8. The cement grinding aid charging device as defined in claim 7, wherein: the inner wall of the mixing device (2) is provided with a plurality of spoilers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321303146.4U CN220004242U (en) | 2023-05-26 | 2023-05-26 | Cement grinding aid feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321303146.4U CN220004242U (en) | 2023-05-26 | 2023-05-26 | Cement grinding aid feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220004242U true CN220004242U (en) | 2023-11-14 |
Family
ID=88682922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321303146.4U Active CN220004242U (en) | 2023-05-26 | 2023-05-26 | Cement grinding aid feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220004242U (en) |
-
2023
- 2023-05-26 CN CN202321303146.4U patent/CN220004242U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |