Stirring equipment for cement blending

Abstract

The utility model discloses stirring equipment for cement blending, which comprises a stirring and mixing tank, a top cover is arranged at the upper end of a tank body of the stirring and mixing tank, the top cover is connected with a fixed table through a support rod, a weighing platform is placed at the upper end of the fixed table, a weighing hopper is arranged at the upper end of the weighing platform, and the weighing hopper is connected with the exhaust end of an induced draft fan. The induced draft fan is fixed in a placement hole formed in the center of the top cover, the air suction end of the induced draft fan is connected with a first movable pipe, and a gear ring is embedded in the outer wall of the top cover. The stirring equipment for cement blending is provided with the weighing platform capable of weighing raw materials, the weight of different raw materials can be conveniently controlled, the device is provided with the induced draft fan and the servo motor, the induced draft fan conveys powder through the first movable pipe, and the powder is conveyed through the servo motor. And the servo motor drives the movable pipe and the induced draft fan to perform angle adjustment work through the gear, the gear ring and the top cover, so that cement raw materials at different positions are conveniently and efficiently conveyed, and the cement blending and stirring effects are improved.

Description

Technical field:

[0001] The utility model relates to the technical field of cement production, in particular to a mixing device for cement mixing. Background technology:

[0002] The production process of silicate cement is representative in cement production equipment. It uses limestone and clay as the main raw materials, which are crushed, batched, and ground into raw materials, and then fed into cement kilns to calcine clinker, and then the clinker is ground with appropriate amount of gypsum (sometimes mixed materials or admixtures). In the process of cement production line, at least 3 tons of materials (including various raw materials, fuels, clinker, mixed materials, gypsum) are ground for every ton of silicate cement produced. According to statistics, the power consumed by the grinding operation of dry cement production line accounts for more than 60% of the power of the whole plant, of which raw material grinding accounts for more than 30%, coal grinding accounts for about 3%, and cement grinding accounts for about 40%. Therefore, it is of great significance to reasonably select grinding equipment and process flow, optimize process parameters, operate correctly, and control operation system to ensure product quality and reduce energy consumption.

[0003] Cement clinker is the main raw material for making cement powder, which needs to be mixed in proportion with limestone, sand, clay and gypsum. The existing patent number is CN201920871428.1, which is a cement mixing equipment for processing dust during the mixing process. However, the device does not explain the process of the proportioned raw materials entering the mixing tank, so the proportioning and mixing method of cement clinker cannot be improved. Therefore, the existing technology has shortcomings and needs to be improved. Utility model content:

[0004] The utility model aims to provide a mixing device for cement mixing, so as to solve the problem of poor mixing ratio in the cement production process proposed in the above background technology.

[0005] The utility model is implemented by the following technical scheme: a mixing device for cement mixing, comprising a mixing tank, a top cover is provided on the upper end of the tank body of the mixing tank, and the top cover is connected to a fixed platform through a support rod, and a weighing platform is placed on the upper end of the fixed platform, a weighing bucket is provided on the upper end of the weighing platform, and the weighing bucket is connected to the exhaust end of the induced draft fan, the induced draft fan is fixed in an installation hole provided in the center of the top cover, and the suction end of the induced draft fan is connected to a first movable pipe, a gear ring is embedded in the outer wall of the top cover, and meshing gears are provided on the outer wall of the gear ring, and the lower end of the gear is connected to the motor shaft of a servo motor, the servo motor is fixed on the mixing tank, and a controller is provided on the mixing tank, and the controller is electrically connected to the induced draft fan, the weighing platform and the servo motor through a wire.

[0006] Preferably, the top cover is configured as an annular "F"-shaped structure, and adjacent transverse and vertical surfaces of the lower half of the top cover are evenly and annularly provided with 3 / 5 spherical grooves, and balls are interspersed in the 3 / 5 spherical grooves, and the balls are in contact with the outer wall of the stirring mixing tank.

[0007] Preferably, an electric push rod is fixed on a section of the vertical tube of the first movable tube, and a matching second movable tube is sleeved on the outer wall of a section of the vertical tube of the first movable tube, and the second movable tube is connected to the telescopic shaft of the electric push rod through a connecting rod, and the electric push rod is electrically connected to the controller through a wire.

[0008] Preferably, the weighing bucket is configured as a bowl-shaped structure, and the bottom end of the inner wall of the weighing bucket is configured as a hemispherical structure, and two symmetrical feeding pipes are provided at the lower end of the weighing bucket.

[0009] Preferably, a solenoid valve is provided on the discharge pipe, and the solenoid valve is electrically connected to the controller via a wire.

[0010] The advantages of the utility model are as follows: the cement mixing equipment is provided with a scale platform for weighing raw materials, which is convenient for controlling the weight of different raw materials, and the device is provided with an induced draft fan and a servo motor. The induced draft fan conveys powder through the first movable tube, and the servo motor drives the movable tube and the induced draft fan to adjust the angle through the gear, gear ring and top cover, so that cement raw materials at different positions can be conveniently and efficiently conveyed, thereby improving the effect of cement mixing and stirring. Description of the drawings:

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 This is a structural diagram of a cement mixing device of the utility model;

[0013] Figure 2 The utility model is a mixing device for cement mixing Figure 1 Enlarged view of point A in the middle;

[0014] Figure 3 The utility model is a top view of a top cover connecting gear ring of a cement mixing device.

[0015] In the figure: 1, stirring and mixing tank, 2, top cover, 3, induced draft fan, 4, first movable pipe, 5, electric push rod, 6, connecting rod, 7, second movable pipe, 8, weighing bucket, 9, fixed platform, 10, weighing platform, 11, feeding pipe, 12, ball bearing, 13, servo motor, 14, gear, 15, gear ring. Specific implementation method:

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-3 The utility model provides a technical solution: a mixing device for cement mixing, comprising a mixing tank 1, a top cover 2, an induced draft fan 3, a first movable pipe 4, an electric push rod 5, a connecting rod 6, a second movable pipe 7, a weighing bucket 8, a fixed platform 9, a weighing platform 10, a feeding pipe 11, a ball 12, a servo motor 13, a gear 14 and a gear ring 15. The upper end of the tank body of the mixing tank 1 is provided with a top cover 2, and the top cover 2 is connected to the fixed platform 9 through a support rod, and a weighing platform 10 is placed on the upper end of the fixed platform 9, a weighing bucket 8 is provided on the upper end of the weighing platform 10, and the weighing bucket 8 is connected to the exhaust end of the induced draft fan 3, the weighing bucket 8 is set as a bowl-shaped structure, and the bottom end of the inner wall of the weighing bucket 8 is set as a hemispherical structure, and the lower end of the weighing bucket 8 is provided with two symmetrical feeding pipes 11, and the structural setting of the bottom end of the inner wall of the weighing bucket 8 makes the discharge operation of the raw materials smoother and avoids the raw materials from remaining in the weighing bucket 8.

[0018] A solenoid valve is provided on the feeding pipe 11, and the solenoid valve is electrically connected to the controller through a wire. The solenoid valve controls the feeding pipe 11 to be flexibly closed and opened to avoid leakage during the process of raw materials being collected by the weighing bucket 8. The induced draft fan 3 is fixed in the mounting hole set in the center of the top cover 2, and the suction end of the induced draft fan 3 is connected to the first movable tube 4, and an electric push rod 5 is fixed on a section of the vertical tube of the first movable tube 4. The model of the electric push rod 5 is set to ANT-35, and a matching second movable tube 7 is sleeved on the outer wall of a section of the vertical tube of the first movable tube 4, and the second movable tube 7 is connected to the telescopic shaft of the electric push rod 5 through a connecting rod 6. The electric push rod 5 is electrically connected to the controller through a wire, and the electric push rod 5 drives the second movable tube 7 to move to a suitable position, making the first movable tube 4 more convenient for conveying different raw materials.

[0019] A gear ring 15 is embedded in the outer wall of the top cover 2, and a meshing gear 14 is provided on the outer wall of the gear ring 15, and the lower end of the gear 14 is connected to the motor shaft of the servo motor 13. The model of the servo motor 13 is set to JSF6040-30-DF-1000, and the top cover 2 is set to an annular "F" type structure, and the adjacent horizontal and vertical surfaces of the lower half of the top cover 2 are evenly provided with 3 / 5 spherical grooves in a ring shape, and balls 12 are interspersed in the 3 / 5 spherical grooves. The balls 12 are in contact with the outer wall of the mixing tank 1. The balls 12 rotate with the mixing tank 1 by friction as the top cover 2 rotates, thereby avoiding the top cover 2 from being overloaded and reducing the resistance during the movement of the top cover 2.

[0020] The servo motor 13 is fixed on the stirring and mixing tank 1 , and a controller is provided on the stirring and mixing tank 1 , and the controller is electrically connected to the induced draft fan 3 , the weighing platform 10 and the servo motor 13 through wires.

[0021] Working principle: When using the cement mixing equipment, first, the controller controls the electric push rod 5, the weighing platform 10, the solenoid valve, the servo motor 13 and the induced draft fan 3 to be powered on and started, the electric push rod 5 drives the second movable tube 7 to move along the vertical tube of the first movable tube 4 and penetrate into the corresponding external proportioning raw material storage box, the induced draft fan 3 inputs the corresponding proportioning raw materials into the weighing bucket 8 through the first movable tube 4 and the second movable tube 7, the weighing bucket 8 is weighed and displays the corresponding weight on the weighing platform 10, when the weight is appropriate, the induced draft fan 3 stops working, the solenoid valve opens to allow the proportioning raw materials of the weighing bucket 8 to enter from the discharge pipe 11 The mixing tank 1 is put into the mixing tank 1, and then the servo motor 13 is started to drive the gear ring 15 to rotate through the gear 14. The rotation of the gear ring 15 drives the top cover 2 to rotate. The rotation of the top cover 2 drives the ball 12 to rotate with the mixing tank 1 by friction. Then, when the first movable tube 4 rotates to a suitable position, it stops and continues to perform the same operation as before, and continues to quantitatively convey the raw materials in other external proportioning raw material storage boxes. Finally, after all the raw materials are conveyed, the power of the mixing tank 1 is turned on to mix the raw materials. This is the use process of the mixing equipment for cement mixing.

[0022] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cement mixing device, comprising a mixing tank (1), wherein a top cover (2) is arranged at the upper end of the tank body of the mixing tank (1), and the top cover (2) is connected to a fixed platform (9) through a support rod, and a weighing platform (10) is placed at the upper end of the fixed platform (9), characterized in that: A weighing bucket (8) is provided at the upper end of the weighing platform (10), and the weighing bucket (8) is connected to the exhaust end of the induced draft fan (3); the induced draft fan (3) is fixed in a placement hole provided at the center of the top cover (2), and the suction end of the induced draft fan (3) is connected to the first movable pipe (4); a gear ring (15) is embedded in the outer wall of the top cover (2), and a meshing gear (14) is provided on the outer wall of the gear ring (15), and the lower end of the gear (14) is connected to the motor shaft of the servo motor (13); the servo motor (13) is fixed on the stirring and mixing tank (1), and a controller is provided on the stirring and mixing tank (1), and the controller is electrically connected to the induced draft fan (3), the weighing platform (10) and the servo motor (13) through a wire.

2. A cement mixing device according to claim 1, characterized in that: The top cover (2) is configured as an annular "F"-shaped structure, and adjacent transverse and vertical surfaces of the lower half of the top cover (2) are evenly and annularly provided with 3 / 5 spherical grooves, and balls (12) are inserted into the 3 / 5 spherical grooves, and the balls (12) are in contact with the outer wall of the stirring and mixing tank (1).

3. A cement mixing device according to claim 1, characterized in that: An electric push rod (5) is fixed on a section of the vertical tube of the first movable tube (4), and a matching second movable tube (7) is sleeved on the outer wall of a section of the vertical tube of the first movable tube (4), and the second movable tube (7) is connected to the telescopic shaft of the electric push rod (5) through a connecting rod (6), and the electric push rod (5) is electrically connected to the controller through a wire.

4. The cement mixing device according to claim 1, characterized in that: The weighing bucket (8) is configured as a bowl-shaped structure, and the bottom end of the inner wall of the weighing bucket (8) is configured as a hemispherical structure, and two symmetrical feeding pipes (11) are provided at the lower end of the weighing bucket (8).

5. A cement mixing device according to claim 4, characterized in that: The feed pipe (11) is provided with a solenoid valve, and the solenoid valve is electrically connected to the controller via a wire.

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