CN220003794U - Cement grinding aid dosing unit - Google Patents
Cement grinding aid dosing unit Download PDFInfo
- Publication number
- CN220003794U CN220003794U CN202320984287.0U CN202320984287U CN220003794U CN 220003794 U CN220003794 U CN 220003794U CN 202320984287 U CN202320984287 U CN 202320984287U CN 220003794 U CN220003794 U CN 220003794U
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- CN
- China
- Prior art keywords
- pipe
- section
- liquid inlet
- stirring
- communicated
- 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
- 238000003756 stirring Methods 0.000 claims abstract description 66
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 238000002156 mixing Methods 0.000 claims abstract description 24
- 238000003860 storage Methods 0.000 claims abstract description 18
- 238000009826 distribution Methods 0.000 claims abstract description 16
- 238000009792 diffusion process Methods 0.000 claims abstract description 12
- 230000008602 contraction Effects 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- 230000007423 decrease Effects 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 5
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 18
- 239000012530 fluid Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 5
- 239000011344 liquid material Substances 0.000 description 5
- 239000011343 solid material Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 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 batching device, which comprises a batching tank and a liquid storage tank; the material mixing tank is provided with a material inlet pipe I and a material outlet pipe; a second feed pipe is arranged on the liquid storage tank; the mixing tank is internally provided with a first stirring component and a second stirring component; the stirring assembly I and the stirring assembly II have the same structure and comprise circular arc-shaped distribution pipes with one closed end and a plurality of injection pipes; the injection pipe comprises a liquid inlet pipe and a sleeve; the liquid inlet pipe is communicated with the distribution pipe, and a nozzle is arranged on the liquid inlet pipe; the sleeve comprises a suction section, a contraction section, a mixing section and a diffusion section which are connected in sequence; the diameter of the contraction section gradually decreases from the suction section to the mixing section; the larger the part diameter of the diffusion section away from the mixing section is; the suction section is communicated with a suction pipe extending downwards; the nozzle extends into the convergent section; the other end of the distribution pipe of the stirring assembly I is communicated with a liquid inlet pump, and the inlet end of the liquid inlet pump is communicated with the liquid storage tank; the other end of the distributing pipe of the stirring component I is communicated with a pressure air source arranged outside the batching tank.
Description
Technical Field
The utility model belongs to the technical field of cement grinding aid production equipment, and particularly relates to a cement grinding aid batching device.
Background
The cement grinding aid is a chemical additive which is added in the process of grinding cement clinker and is used for obviously improving grinding efficiency or reducing energy consumption without damaging cement performance.
The common liquid cement grinding aid comprises water, triethanolamine, sodium ethoxide and other solid components, wherein the mass fraction of the water is about 60%, the mass fraction of the triethanolamine is about 15%, and the content of the solid components is less than about 2-5%. The common proportioning device is a simple stirring device, the weighed solid materials and liquid materials are directly added into the proportioning tank, and the materials added into the proportioning tank are stirred and mixed by utilizing the stirring blades, so that the liquid cement grinding aid is obtained. The method has the following problems that the viscosity of the triethanolamine is large, stirring dead angle areas are easy to appear at the edge of the batching tank, insufficient stirring is caused, and salt materials in the cement grinding aid are easy to cause corrosion of stirring blades, so that equipment is damaged. It is therefore desirable to relate to a cement grinding aid dosing device that addresses the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a cement grinding aid proportioning device which is fully and uniformly stirred and does not use a mechanical blade for stirring, and in order to achieve the purposes, the utility model adopts the following technical scheme:
a cement grinding aid batching device comprises a batching tank and a liquid storage tank; the top of the material mixing tank is provided with a first feeding pipe, and the bottom of the material mixing tank is provided with a discharging pipe; a second feed pipe is arranged on the liquid storage tank; a first stirring component and a second stirring component are arranged in the material mixing tank; the first stirring component and the second stirring component have the same structure and comprise an arc-shaped distributing pipe with one end closed and a plurality of spraying pipes arranged on the distributing pipe; the injection pipe comprises a liquid inlet pipe and a sleeve sleeved outside the liquid inlet pipe; the liquid inlet pipe is communicated with the distribution pipe, and a nozzle is arranged on the liquid inlet pipe; the sleeve comprises a suction section, a contraction section, a mixing section and a diffusion section which are connected in sequence; the diameter of the contraction section gradually decreases from the suction section to the mixing section; the part of the diffusion section, which is far away from the mixing section, has larger diameter; the suction section is communicated with a suction pipe extending downwards; the nozzle extending into the convergent section; the other end of the distribution pipe of the stirring assembly I is communicated with the outlet end of a liquid inlet pump arranged outside the batching tank through a connecting pipe, and the inlet end of the liquid inlet pump is communicated with the liquid storage tank; the other end of the distributing pipe of the stirring assembly I is communicated with a pressure air source arranged outside the material mixing tank.
Further, the liquid inlet pipe and the distribution pipe are tangentially arranged.
Further, the other end of the diffusion section is connected with an elbow, and the outlet direction of the elbow is bent and extended towards the direction close to the distribution pipe.
Further, the first stirring assembly is located above the second stirring assembly.
Further, the spraying pipes are uniformly distributed, and the outlets of the plurality of spraying pipes of the stirring assembly I and the stirring assembly II are arranged in a clockwise direction or a counterclockwise direction.
Further, the arrangement directions of the spraying pipes of the first stirring assembly and the second stirring assembly are opposite.
Further, a plurality of spoilers are arranged on the inner wall of the material mixing tank.
The utility model has the beneficial effects that: the liquid components of the utility model firstly enter the liquid storage tank, such as triethanolamine and water enter the liquid storage tank, the viscosity of the mixed liquid is reduced due to the existence of water, then the liquid material enters the stirring device I by utilizing the liquid inlet pump, the liquid respectively enters the liquid inlet pipes of the plurality of injection pipes and is sprayed out of the nozzles at high speed to enter the contraction section, at the moment, negative pressure is generated at the suction end of the sleeve, the liquid in the liquid storage tank enters the suction section from the suction pipes, and is mixed with the fluid sprayed out of the nozzles at the mixing section, finally is sprayed out of the diffusion section and is discharged along the bent pipe, so that the liquid forms rotary water flow, thereby playing the effect of hydraulic stirring, and the solid material added into the material preparation tank at the moment is gradually dissolved in the stirring process, so as to avoid the occurrence of stirring dead angle area. In addition, the stirring device II is arranged, the pressure air source is utilized for spraying, so that the pressure air source and the liquid are mixed in the sprayer of the stirring device II, and the pneumatic stirring effect is finally realized. The utility model does not adopt a mechanical stirring device, and avoids the damage of the stirring blade.
Description of the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic structural view of a second stirring device according to the present utility model;
FIG. 3 is a schematic view of the structure of the ejector tube of the present utility model;
reference numerals: 1. a liquid storage tank; 2. a batching tank; 3. a first feeding pipe; 4. a discharge pipe; 5. stirring the first component; 6. stirring component II; 7. a distribution pipe; 8. a liquid inlet pipe; 9. a suction section; 10. bending the pipe; 11. a mixing section; 12. a diffusion section; 13. a constriction section; 14. a suction pipe; 15. a nozzle; 16. a jet pipe; 17. and a liquid inlet pump.
Detailed Description
The technical solution of the present utility model will be further described with reference to fig. 1 to 3 and examples, so that those skilled in the art can more clearly understand the content of the technical solution.
The cement grinding aid batching device comprises a batching tank 2 and a liquid storage tank 1; the top of the batching tank 2 is provided with a first feeding pipe 3, and the bottom of the batching tank is provided with a discharging pipe 4; a second feeding pipe is arranged on the liquid storage tank 1; a plurality of spoilers are arranged on the inner wall of the batching tank 2.
A first stirring assembly 5 and a second stirring assembly 6 are arranged in the batching tank 2; the stirring assembly I5 and the stirring assembly II 6 have the same structure and comprise a distributing pipe 7 which is in arc-shaped bending and is closed at one end, and a plurality of spraying pipes 16 which are arranged on the distributing pipe 7, wherein the spraying pipes 16 are uniformly distributed on the distributing pipe. The injection pipe 16 comprises a liquid inlet pipe 8 and a sleeve sleeved outside the liquid inlet pipe 8; the liquid inlet pipe 8 is communicated with the distribution pipe 7, and a nozzle 15 is arranged on the liquid inlet pipe 8; the liquid inlet pipe 8 and the distribution pipe 7 are tangentially arranged.
The sleeve comprises a suction section 9, a contraction section 13, a mixing section 11 and a diffusion section 12 which are connected in sequence; the diameter of the constriction section 13 gradually decreases from the suction section 9 to the mixing section 11; the larger the diameter of the portion of the diffuser section 12 that is further from the mixing section 11; the suction section 9 is communicated with a suction pipe 14 which extends downwards; the nozzle 15 extends into the convergent section 13; the other end of the diffuser 12 is connected with a bent pipe 10, and the outlet direction of the bent pipe 10 is bent and extended towards the direction approaching the distribution pipe 7. The outlets of the plurality of injection pipes 16 of the stirring assembly I5 and the stirring assembly II 6 are arranged in a clockwise direction or a counterclockwise direction.
The other end of the distribution pipe 7 of the stirring assembly I5 is communicated with the outlet end of the liquid inlet pump 17 arranged outside the batching tank 2 through a connecting pipe, and the inlet end of the liquid inlet pump 17 is communicated with the liquid storage tank 1; the other end of the distributing pipe 7 of the stirring assembly I5 is communicated with a pressure air source arranged outside the batching tank 2, and the pressure air source can be provided by a compressor or an air pump.
In the injection pipe in the embodiment, when fluid enters the liquid inlet pipe, the fluid is injected from the nozzle at a high speed, in the process, negative pressure is generated in the suction chamber, so that materials in the material mixing tank enter the contraction section from the suction pipe, then the materials are mixed with the fluid injected from the nozzle in the mixing section and are discharged from the diffusion section, and the bent pipe mixed fluid rotates in the tank body, so that the stirring of the materials in the material mixing tank is realized.
The first stirring assembly 5 is located above the second stirring assembly 6. The spraying pipes 16 of the stirring assembly I5 and the stirring assembly II 6 are arranged in opposite directions.
In practice, liquid materials, such as triethanolamine and water, are fed into the liquid storage tanks from the respective storage tanks by the pump bodies along the respective conveying pipelines, and small amounts of solid additives are weighed and then fed into the dosing tanks from the feed pipes. And then the liquid is pumped into the batching tank by utilizing the liquid inlet pump, and the liquid forms rotary fluid in the batching tank to drive the solid materials in the tank to be mixed and stirred, so that the dissolution of the solid materials is accelerated. After the liquid material is fed, the pressure air source is conveyed into the stirring device II, and the stirring device II is used for stirring pneumatically to drive the materials in the tank body to mix until the materials are uniformly mixed. In addition, in the embodiment, the spoiler is arranged, so that the disturbance degree can be further enhanced.
The valves and meters for each conduit are not described in detail in this embodiment, and valves and meters may be provided on the conduits in a conventional arrangement to monitor the flow rate delivered to the tank. In addition, the top of the batching jar is also provided with a pressure relief emptying valve, which is not shown in the figure. And a branch is arranged at the outlet end of the liquid inlet pump and is directly communicated with the inside of the batching tank, but is not communicated with the stirring device I, and at the moment, the pneumatic stirring can be directly used without using liquid materials to realize the stirring function.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. The cement grinding aid batching device comprises a batching tank (2) and a liquid storage tank (1); the method is characterized in that: the top of the batching tank (2) is provided with a first feeding pipe (3), and the bottom of the batching tank is provided with a discharging pipe (4); a second feeding pipe is arranged on the liquid storage tank (1); a first stirring component (5) and a second stirring component (6) are arranged in the batching tank (2); the stirring assembly I (5) and the stirring assembly II (6) have the same structure and comprise a distributing pipe (7) with one end closed and a plurality of spraying pipes (16) arranged on the distributing pipe (7); the injection pipe (16) comprises a liquid inlet pipe (8) and a sleeve sleeved outside the liquid inlet pipe (8); the liquid inlet pipe (8) is communicated with the distribution pipe (7), and a nozzle (15) is arranged on the liquid inlet pipe (8); the sleeve comprises a suction section (9), a contraction section (13), a mixing section (11) and a diffusion section (12) which are connected in sequence; the diameter of the contraction section (13) gradually decreases from the suction section (9) to the mixing section (11); the larger the part diameter of the diffusion section (12) which is far away from the mixing section (11); the suction section (9) is communicated with a suction pipe (14) which extends downwards; the nozzle (15) extends into the constriction (13); the other end of the distribution pipe (7) of the stirring assembly I (5) is communicated with the outlet end of a liquid inlet pump (17) arranged outside the batching tank (2) through a connecting pipe, and the inlet end of the liquid inlet pump (17) is communicated with the liquid storage tank (1); the other end of the distributing pipe (7) of the stirring assembly I (5) is communicated with a pressure air source arranged outside the batching tank (2).
2. The cement grinding aid dosing unit of claim 1, wherein: the liquid inlet pipe (8) and the distribution pipe (7) are tangentially arranged.
3. The cement grinding aid dosing unit of claim 2, wherein: the other end of the diffusion section (12) is connected with an elbow pipe (10), and the outlet direction of the elbow pipe (10) is bent and extended towards the direction close to the distribution pipe (7).
4. A cement grinding aid dosing unit as claimed in claim 3, characterized in that: the stirring assembly I (5) is positioned above the stirring assembly II (6).
5. A cement grinding aid dosing unit as claimed in claim 3, characterized in that: the spraying pipes (16) are uniformly distributed, and outlets of the spraying pipes (16) of the stirring component I (5) and the stirring component II (6) are arranged in a clockwise direction or a counterclockwise direction.
6. The cement grinding aid dosing unit of claim 5, wherein: the arrangement directions of the spraying pipes (16) of the stirring component I (5) and the stirring component II (6) are opposite.
7. The cement grinding aid dosing unit of claim 5, wherein: a plurality of spoilers are arranged on the inner wall of the batching tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320984287.0U CN220003794U (en) | 2023-04-27 | 2023-04-27 | Cement grinding aid dosing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320984287.0U CN220003794U (en) | 2023-04-27 | 2023-04-27 | Cement grinding aid dosing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220003794U true CN220003794U (en) | 2023-11-14 |
Family
ID=88682088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320984287.0U Active CN220003794U (en) | 2023-04-27 | 2023-04-27 | Cement grinding aid dosing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220003794U (en) |
-
2023
- 2023-04-27 CN CN202320984287.0U patent/CN220003794U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |