Cement grinding aid compounding and mixing device

The cement grinding aid compounding and mixing device solves the problems of high price and fixed ratio of traditional finished grinding aids, and enables flexible adjustment of grinding aid ratio, reducing costs and stabilizing cement quality to meet different process requirements.

CN223732567UActive Publication Date: 2025-12-30SICHUAN YADONG CEMENT CO LTD
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Patent Information

Application Number
CN202520047924.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-12-30
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

Traditional finished grinding aids are expensive, and their fixed proportions make them difficult to adapt to different process requirements, resulting in unstable cement quality and complex management.

Method used

A cement grinding aid compound mixing device was designed. Through the combination of components such as pump body, stirring device and metering pump, the mixing, stirring and dilution of two mother liquors can be realized. The mixing ratio of mother liquor and water can be flexibly adjusted to produce finished grinding aids that meet the requirements.

Benefits of technology

It enables flexible adjustment of grinding aid ratio, reduces costs, ensures stable cement quality, meets different process requirements, and simplifies management processes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cement grinding aid compounding and mixing device which comprises a pump body and a stirring device, the pump body and the stirring device are connected through two mother liquor pipelines, and the two mother liquor pipelines are sequentially connected with a manual valve, a mother liquor tank, a manual valve, a metering pump and an electric valve from the pump body to the stirring device. The stirring device is communicated with the storage tank through the conveying pump and is connected with the water pump. The device has the beneficial effects that the pump body conveys mother liquor to the corresponding mother liquor tanks for storage through the two mother liquor pipelines; the manual valve controls inlet and outlet of mother liquor, the two metering pumps respectively extract two kinds of mother liquor according to a preset proportion, the electric valve controls the flow direction of the mother liquor, and the mother liquor independently enters the stirring device. And the grinding aid is conveyed to the conveying pump and then pumped into the storage tank to be stored. The mixing, stirring and diluting of two mother solutions are realized, and the finished grinding aid meeting the requirements is produced. By adjusting the ratio of the mother liquor to the water, the requirements of different cement production processes can be met, the cost is saved, and the cement quality is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cement grinding aid mixing field, concretely relates to a cement grinding aid compound mixing device. BACKGROUND

[0002] Adding grinding aids in cement mill can improve grinding efficiency, reduce energy consumption, improve cement performance, and also reduce production cost. Grinding aids can effectively eliminate the electrostatic adsorption and ball packing of cement fine particles by changing the dispersibility and fluidity of the material in the mill, thereby optimizing the cement particle size distribution and improving the grinding efficiency.

[0003] Cement plants usually purchase finished grinding aids, which cannot be adjusted in time when the process in the cement mill changes. The use of grinding aids is crucial for improving grinding efficiency and cement quality during cement production. It reduces the adsorption force between particles and the agglomeration phenomenon, thereby improving grinding efficiency, reducing energy consumption, and improving the physical properties of cement.

[0004] However, the traditional method of directly purchasing finished grinding aids has the problems of high cost, insufficient flexibility, complex storage and management, and quality fluctuations. Finished grinding aids are expensive, and the fixed ratio is difficult to adapt to different process requirements. Special storage facilities and management measures are needed, and the quality may be affected by the supplier and production batch, resulting in unstable cement quality. SUMMARY

[0005] The utility model aims at providing a cement grinding aid compound mixing device to solve the technical problems of expensive finished grinding aids and fixed ratio difficult to adapt to different process requirements.

[0006] To solve the above technical problems, the utility model provides a cement grinding aid compound mixing device, which comprises a pump body and a stirring device. The pump body and the stirring device are connected by two mother liquor pipelines. The two mother liquor pipelines are sequentially connected with a manual valve, a mother liquor tank, a manual valve, a metering pump, and an electric valve between the pump body and the stirring device. The stirring device is connected with a storage tank through a delivery pump. The stirring device is connected with a water pump.

[0007] Further, a manual valve is arranged between the stirring device and the delivery pump, and a manual valve is arranged between the delivery pump and the storage tank.

[0008] Further, a manual valve, an electromagnetic valve, and a flow meter are sequentially arranged between the stirring device and the water pump.

[0009] Further, the electric valve is an electric butterfly valve, and the delivery pump is a sludge screw pump.

[0010] Further, the stirring device comprises a stirring tank, a stirrer motor is arranged at the central part of the upper end of the stirring tank, the output end of the stirrer motor penetrates the stirring tank, the output end of the stirrer motor is connected with stirring blades, a first inspection cover, a mother liquor inlet and a material level meter are further arranged at the upper part of the stirring tank, and a discharge pipe is communicated with the lower end of the stirring tank.

[0011] Further, the longitudinal section of the lower wall in the stirring tank is V-shaped, and the discharge pipe is located at the middle part of the lower end of the stirring tank.

[0012] Further, the upper end of the storage tank is provided with a second inspection cover and a guardrail, the lower end of the storage tank is provided with a discharge port, and a crawling ladder is arranged at the side of the storage tank.

[0013] Further, the bottom end of the inside of the storage tank is inclined, and the discharge port is located in the direction of the inclination of the slope.

[0014] Further, the container transport vehicle is further connected with the pump body.

[0015] The cement grinding aid compound mixing device has the advantages that: compared with the prior art, the pump body is connected with two mother liquor pipelines, and the mother liquor is respectively delivered to the corresponding mother liquor tank for storage; the manual valve controls the inlet and outlet of the mother liquor, and is convenient for maintenance. Then, two metering pumps respectively extract two kinds of mother liquor according to the preset proportion, and the electric valve controls the flow direction of the mother liquor, so that the mother liquor can enter the stirring device alone, and cross contamination is avoided. The mother liquor and water added by the water pump are fully mixed in the stirring device. After the mixing is completed, the stirring device controls the delivery of the grinding aid to the delivery pump, and then the grinding aid is pumped into the storage tank for storage.

[0016] The device realizes the mixing, stirring and dilution of two kinds of mother liquor, and produces finished grinding aid meeting the requirements. By flexibly adjusting the mixing ratio of the mother liquor and water, the different cement production process requirements can be met, the cost is saved, and the cement quality is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a device flow diagram of the utility model;

[0018] Figure 2 It is a stirring device structure schematic view of the utility model;

[0019] Figure 3 It is a storage tank structure schematic view of the utility model;

[0020] The components are as follows: 1-Pump body, 2-Manual valve, 3-Mother liquor tank, 4-Metering pump, 5-Electric valve, 6-Flow meter, 7-Agitator, 701-Agitator motor, 702-First inspection cover, 703-Agitator tank, 704-Agitator blades, 705-Level gauge, 706-Mother liquor inlet, 707-Discharge pipe, 8-Transfer pump, 9-Storage tank, 902-Second inspection cover, 903-Guardrail, 904-Ladder, 905-Discharge port, 101-First mother liquor pipeline, 102-Second mother liquor pipeline, 11-Water pump, 12-Solenoid valve, 13-Container transport vehicle. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only one embodiment of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] To make the objectives, technical solutions and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments.

[0023] In the following description, references to "an embodiment," "an embodiment," "an example," "example," etc., indicate that the described embodiment or example may include a particular feature, structure, characteristic, property, element, or limitation, but not every embodiment or example necessarily includes that particular feature, structure, characteristic, property, element, or limitation. Furthermore, the repeated use of the phrase "an embodiment according to this application," while possibly referring to the same embodiment, does not necessarily refer to the same embodiment.

[0024] In this embodiment: as Figure 1 As shown, it includes a pump body 1 and a stirring device 7. The pump body 1 and the stirring device 7 are connected by two mother liquor pipelines, namely the first mother liquor pipeline 101 and the second mother liquor pipeline 102. The two mother liquor pipelines are connected in sequence from the pump body 1 to the stirring device 7 to a manual valve 2, a mother liquor tank 3, a metering pump 4, and an electric valve 5. The stirring device 7 is connected to a storage tank 9 through a transfer pump 8 and a water pump 11.

[0025] The pump body 1 is used to deliver different types of mother liquor transported by the container transport vehicle 13 into the mother liquor pipeline respectively, the mother liquor tank 3 is used to store the mother liquor, and the capacity is designed according to the frequency of use of the mother liquor, the metering pump 4 is used to measure the amount of mother liquor out of the mother liquor tank 3, and the flow of the metering pump 4 is set according to a certain proportion, the stirring device 7 is used to mix and stir two kinds of mother liquor, and a certain amount of water is added for dilution according to the demand, and the grinding aid after stirring and dilution is delivered to the storage tank 9 through the delivery pump 8.

[0026] In the embodiment, the pump body 1 is used to deliver different types of mother liquor transported by the container transport vehicle 13 into the corresponding mother liquor tank 3, and different types of mother liquor are manually set into the corresponding mother liquor tank 3 through different manual valves 2, and different types of mother liquor are delivered into the corresponding mother liquor tank 3 by controlling the opening and closing of different manual valves 2. In the embodiment, the mother liquor tank 3 has two, which are used to store two kinds of mother liquor, and the manual valve 2 is arranged at the inlet and outlet of the mother liquor tank 3 respectively, which is used to manually adjust the inlet and outlet of the mother liquor and facilitate the shutdown and maintenance of the mother liquor tank 3.

[0027] The metering pump 4 can simultaneously complete the functions of delivery, metering and adjustment, two metering pumps 4 respectively output two different types of mother liquor according to a certain proportion, and each set of electric valve 5 is installed behind each metering pump 4, which is used to control the flow direction of the mother liquor after the mother liquor is out of the metering pump 4. Because two kinds of mother liquor share a pipeline when entering the stirring device 7, when the first mother liquor pipeline 101 metering pump 4 is running, the first mother liquor pipeline 101 electric valve 5 is opened, the second mother liquor pipeline 102 metering pump 4 is closed, and the second mother liquor pipeline 102 electric valve 5 is closed, to prevent the mother liquor of the first mother liquor pipeline 101 from entering the second mother liquor pipeline 102 metering pump 4.

[0028] When the second mother liquor pipeline 102 metering pump 4 is running, the second mother liquor pipeline 102 electric valve 5 is opened, the first mother liquor pipeline 101 metering pump 4 is closed, and the first mother liquor pipeline 101 electric valve 5 is closed, to prevent the mother liquor of the second mother liquor pipeline 102 from entering the metering pump 4 of the first mother liquor pipeline 101.

[0029] The manual valve 2 is arranged between the stirring device 7 and the delivery pump 8, and the manual valve 2 is arranged between the delivery pump 8 and the storage tank 9.

[0030] The manual valve 2, the electromagnetic valve 12 and the flow meter 6 are sequentially arranged between the stirring device 7 and the water pump 11.

[0031] The flow meter 6 is used to measure the flow of water in the pipeline, and a certain amount of water is often needed to be added for dilution in the cement grinding aid compounding process. The water flows through the electromagnetic valve 12 and the manual valve 2 to enter the stirring device 7 through the flow meter 6.

[0032] The electric valve 5 is an electric butterfly valve, and the conveying pump 8 is a sludge screw pump.

[0033] The stirring device 7 comprises a stirring tank 703, the inside of the shell of the stirring tank 703 is subjected to anticorrosion treatment, so as to reduce the corrosion of the inside liquid to the tank body, a stirrer motor 701 is arranged at the upper end center of the stirring tank 703, the stirrer motor 701 is used for providing power, the output end of the stirrer motor 701 penetrates through the stirring tank 703, the output end of the stirrer motor 701 is connected with stirring blades 704, the stirring blades 704 rotate at high speed under the drive of the stirrer motor 701, so that the mother liquor and water in the stirring tank 703 are fully mixed, and the mixing and dilution effect is achieved, a first inspection cover 101, a mother liquor inlet 706 and a material level meter 705 are further arranged at the upper part of the stirring tank 703, the first inspection cover 101 facilitates daily maintenance work, and a discharge pipe 707 is connected to the lower end of the stirring tank 703.

[0034] The longitudinal section of the lower wall in the stirring tank 703 is V-shaped, and the discharge pipe 707 is located at the middle of the lower end of the stirring tank 703.

[0035] The upper end of the storage tank 9 is provided with a second inspection cover 102 and a guardrail, the lower end of the storage tank 9 is provided with a discharge port 905, the side of the storage tank 9 is provided with a crawling ladder 904, the inside of the storage tank 9 is subjected to anticorrosion treatment, so as to reduce the corrosion of the inside liquid to the tank body, when the maintenance work is carried out, personnel can reach the top of the storage tank 9 through the crawling ladder 904, and the guardrail arranged at the top of the storage tank 9 can prevent personnel from falling and guarantee safety.

[0036] The inside bottom end of the storage tank 9 is inclined, and the discharge port 905 is located at the inclined direction of the slope, so as to facilitate the discharge of the materials in the tank.

[0037] The container transport vehicle 13 is further connected with the pump body 1.

[0038] The cement grinding aid compound mixing and stirring device can effectively mix, stir and dilute two kinds of mother liquor, and produce finished grinding aid meeting the requirements, the cost of the grinding aid can be saved, the mixing and blending ratio of the grinding aid mother liquor and water can be adjusted in time according to the cement production process, and the cement quality is guaranteed.

[0039] Work flow: firstly, the container transport vehicle 13 transports different types of mother liquor to the pump body 1, the pump body 1 transports the mother liquor to the corresponding mother liquor tank 3 for storage through two mother liquor pipelines, the manual valve 2 controls the inlet and outlet of the mother liquor, and daily maintenance is facilitated.

[0040] Then, two metering pumps 4 extract two kinds of mother liquor according to the preset ratio, and the electric valve 5 controls the flow direction of the mother liquor, so as to ensure that the mother liquor enters the stirring device 7 alone and avoids cross contamination.

[0041] In the stirring device 7, the stirrer motor 701 drives the stirring blade 704 to rotate at high speed, so as to mix the mother liquor and the water added through the water pump 11, the electromagnetic valve 12 and the flow meter 6. The flow meter 6 accurately measures the water quantity, so as to ensure that the dilution ratio is accurate.

[0042] After the mixing is completed, the stirring device 7 controls the delivery of the grinding aid to the delivery pump 8 and then to the storage tank 9 through the manual valve 2. The inside of the storage tank 9 is subjected to anticorrosion treatment, so as to ensure the quality of the grinding aid.

[0043] The lower end of the storage tank 9 is designed to be inclined, so as to facilitate the discharge of the material. When necessary, personnel can climb the ladder 904 to the top of the storage tank 9 to perform maintenance, and the guardrail ensures safety.

[0044] The device realizes the mixing, stirring and dilution of two kinds of mother liquor, and produces the finished grinding aid meeting the requirements. By flexibly adjusting the blending ratio of the mother liquor and water, the different cement production process requirements can be met, the cost can be saved, and the cement quality can be ensured.

[0045] The above description of the disclosed embodiments is that the skilled in the art can implement or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A cement grinding aid compounding and mixing device, characterized in that: Including pump body and stirring device, the pump body and stirring device are connected through two mother liquor pipelines, two said mother liquor pipelines are connected manual valve, mother liquor tank, manual valve, metering pump, electric valve in turn between pump body to stirring device, the stirring device is communicated storage tank through delivery pump, the stirring device is connected water pump.

2. The cement grinding aid compound mixing device according to claim 1, characterized in that: Manual valve is arranged between the stirring device and the delivery pump, and manual valve is arranged between the delivery pump and the storage tank.

3. The cement grinding aid compound mixing device according to claim 1, characterized in that: Manual valve, solenoid valve and flow meter are arranged in sequence between the stirring device and the water pump.

4. The cement grinding aid compound mixing device according to claim 1, characterized in that: The electric valve adopts electric butterfly valve, and the delivery pump adopts sludge screw pump.

5. The cement grinding aid compound mixing device according to claim 1, characterized in that: The stirring device includes a stirring tank, a stirrer motor is arranged at the central part of the upper end of the stirring tank, the output end of the stirrer motor penetrates the stirring tank, the output end of the stirrer motor is connected with stirring blades, a first inspection cover, a mother liquor inlet and a material level meter are further arranged at the upper part of the stirring tank, and a discharge pipe is communicated with the lower end of the stirring tank.

6. The cement grinding aid compound mixing device according to claim 5, characterized in that: The longitudinal section of the lower wall in the stirring tank is V-shaped, and the discharge pipe is located at the middle part of the lower end of the stirring tank.

7. The cement grinding aid compound mixing device according to claim 1, characterized in that: A second inspection cover and a guardrail are arranged at the upper end of the storage tank, a discharge port is arranged at the lower end of the storage tank, and a crawling ladder is arranged at the side of the storage tank.

8. The cement grinding aid compounding and mixing device according to claim 7, characterized in that: The bottom end of the storage tank is inclined, and the discharge port is located in the direction of the slope.

9. The cement grinding aid compounding and mixing device according to claim 1, characterized in that: A container transport vehicle is further included, and the container transport vehicle is connected with the pump body.