Anti-settling storage tank stirring device for mortar production

Abstract

The utility model discloses a kind of anti-precipitation's storage tank stirring device for mortar production, it is related to mortar production equipment technical field, including base, the upper portion of base is provided with storage tank body, the upper end of storage tank body is fixedly installed with variable-speed motor, the upper end of base is fixedly installed with air compressor, the upper end of base is fixedly installed with circulating pump, the outer wall of storage tank body is installed with multiple groups of aeration head, the outer wall of storage tank body is installed with suction pipe, the inside top of storage tank body is rotatably installed with stirring shaft stem, the outer wall of stirring shaft stem is sequentially installed with dispersion vane group, helical propulsion vane group and scrape bottom vane group from top to bottom.The utility model, mortar can be realized preliminary uniform mixing in short time, prevent mortar from depositing inside storage tank body, can realize the full range, multi-angle stirring mixing of mortar inside storage tank body, effectively eliminate stirring dead angle, prevent mortar from depositing.

Description

Technical Field

[0001] This utility model relates to the technical field of mortar production equipment, and in particular to a mixing device for a storage tank used in mortar production to prevent sedimentation. Background Technology

[0002] In the fields of construction engineering and ready-mixed mortar production, storage tanks are key equipment for mortar storage and transfer. Mortar is typically composed of sand, cementitious materials (such as cement), aggregates, and admixtures. Its components have significant density differences, making it prone to stratification and sedimentation when left to stand. This leads to decreased material uniformity and affects construction quality (such as insufficient strength and cracking). Therefore, storage tanks must be equipped with stirring devices to maintain mortar uniformity and prevent solid particle deposition.

[0003] However, in existing technologies, the stirring structure is simple, and dead zones for sedimentation are common. Traditional devices mostly use single-layer paddle or anchor blades, which can only achieve stirring in local areas. Static dead zones easily form at the bottom, walls, and center of the tank. For mortar containing coarse aggregates (such as sand and gravel), the bottom layer is severely deposited under gravity, while the upper cementitious material and water easily separate, resulting in a "thin on top, thick on bottom" stratification phenomenon. At the same time, the tank body is mostly designed with a flat bottom or a small-angle conical bottom, which results in poor material flowability. The gap between the bottom scraper blades and the bottom of the tank is large, making it impossible to completely remove the bottom sediment. Long-term use can easily form a hardened scale layer, further aggravating the sedimentation problem. Utility Model Content

[0004] The purpose of this utility model is to solve the problems existing in the prior art by proposing a mixing device for a mortar production storage tank that prevents sedimentation.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a mortar production anti-settling storage tank mixing device, comprising a base, a storage tank body disposed above the base, a variable speed motor fixedly installed at the upper end of the storage tank body, an air compressor fixedly installed at the upper end of the base, a circulation pump fixedly installed at the upper end of the base, multiple sets of aeration heads installed through the outer wall of the storage tank body, a suction pipe installed through the outer wall of the storage tank body, and a stirring shaft rotatably installed at the top of the inner part of the storage tank body. A dispersing blade group, a spiral propulsion blade group, and a bottom scraping blade group are sequentially installed on the outer wall of the stirring shaft from top to bottom.

[0006] Preferably, the upper end of the stirring shaft is fixed to the output end of the variable speed motor, and the lower part of the stirring shaft and the dispersing blade group, the spiral propulsion blade group and the bottom scraping blade group are all located inside the storage tank body.

[0007] Preferably, a return pipe is installed through the upper end of the storage tank body, and a connecting pipe is fixedly installed at the feed inlet of one end of the circulating pump.

[0008] Preferably, the lower end of the return pipe is fixed to the upper outlet of the circulating pump, and the other end of the connecting pipe is fixed to one end of the suction pipe.

[0009] Preferably, a circular pipe is provided at the bottom of the storage tank body, and an air guide pipe is fixedly installed on the outer wall of the circular pipe.

[0010] Preferably, the other end of the air guide pipe is fixed to the air outlet of the air compressor, one end of each of the multiple aeration heads is fixed to the outer wall of the circular pipe, and the multiple aeration heads are connected to the circular pipe.

[0011] Preferably, a support base is fixedly installed on the outer wall of the return pipe, and a support frame is fixedly installed on the outer wall of the storage tank body. One end of the support base is fixed to the outer wall of the support frame, and the lower end of the support frame is fixed to the upper end of the base.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0013] 1. In this utility model, the mortar inside the storage tank can be stirred by the coordinated work of the spiral propulsion blade group, the dispersion blade group and the bottom scraping blade group. The high-speed rotation of the dispersion blade group initially disperses the mortar that has just entered the storage tank. The spiral propulsion blade group pushes the material up and down to circulate. The bottom scraping blade group stirs the material inside the storage tank, which enables the mortar to achieve initial uniform mixing in a short time and prevents the mortar from settling inside the storage tank. Combined with the bottom aeration device and the circulation return system, the mortar inside the storage tank can be stirred and mixed in a full range and at multiple angles, effectively eliminating stirring dead zones and preventing mortar settling.

[0014] 2. In this utility model, with the cooperation of an air compressor, a circular pipe, multiple sets of aeration heads and air guide pipes, the compressed air generated by the air compressor is introduced into the interior of multiple sets of aeration heads through the air guide pipe and the circular pipe. The air is released by the multiple sets of aeration heads to form a bubble flow, which disturbs the mortar at the bottom of the storage tank body, further preventing the bottom mortar from settling. It is especially suitable for mortar that has been stored statically for a long time.

[0015] 3. In this utility model, with the cooperation of the circulating pump, connecting pipe, suction pipe and return pipe, the circulating pump extracts the mortar inside the storage tank body through the connecting rod and suction pipe, and sends it back to the inside of the storage tank body through the return pipe, forming a forced circulation of "bottom extraction and top injection", which enhances the mixing effect of materials and ensures that the mortar inside the storage tank body is uniform. Attached Figure Description

[0016] Figure 1 This utility model provides a three-dimensional structural diagram of a mixing device for an anti-sedimentation storage tank used in mortar production;

[0017] Figure 2This utility model presents a partial front view of a mixing device for an anti-sedimentation storage tank used in mortar production.

[0018] Figure 3 This utility model proposes a half-sectional structural diagram of the storage tank body for a mortar production anti-settling mixing device.

[0019] Figure 4 This utility model provides a structural diagram of the mixing shaft and spiral propulsion blade assembly in a mixing device for an anti-sedimentation storage tank used in mortar production.

[0020] Figure 5 This utility model presents a schematic diagram of the structure of the annular pipe and aeration head in the mixing device of a mortar production anti-sedimentation storage tank.

[0021] Legend: 1. Base; 2. Support frame; 3. Storage tank body; 4. Variable speed motor; 5. Air compressor; 6. Circulation pump; 7. Support seat; 8. Circular pipe; 9. Return pipe; 10. Aeration head; 11. Air guide pipe; 12. Connecting pipe; 13. Suction pipe; 14. Stirring shaft; 15. Spiral propulsion blade assembly; 16. Dispersing blade assembly; 17. Bottom scraper blade assembly. Detailed Implementation

[0022] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0024] Example 1: As Figure 1 - Figure 5As shown, this utility model provides a mixing device for a mortar production storage tank to prevent sedimentation. It includes a base 1, a storage tank body 3 above the base 1, a variable speed motor 4 fixedly installed at the upper end of the storage tank body 3, an air compressor 5 fixedly installed at the upper end of the base 1, a circulation pump 6 fixedly installed at the upper end of the base 1, multiple sets of aeration heads 10 penetrating through the outer wall of the storage tank body 3, a suction pipe 13 penetrating through the outer wall of the storage tank body 3, and a stirring shaft 14 rotatably installed at the top of the inside of the storage tank body 3. A dispersing blade group 16, a spiral propulsion blade group 15, and a bottom scraping blade group 17 are sequentially installed on the outer wall of the stirring shaft 14 from top to bottom. The upper end of the stirring shaft 14 is fixed to the output end of the variable speed motor 4, and the lower part of the stirring shaft 14 and the dispersing blade group 16, the spiral propulsion blade group 15, and the bottom scraping blade group 17 are all located inside the storage tank body 3.

[0025] A return pipe 9 is installed through the upper end of the storage tank body 3. A connecting pipe 12 is fixedly installed at one end of the feed inlet of the circulating pump 6. The lower end of the return pipe 9 is fixed to the upper end of the discharge port of the circulating pump 6. The other end of the connecting pipe 12 is fixed to one end of the suction pipe 13.

[0026] A circular pipe 8 is provided below the storage tank body 3. An air guide pipe 11 is fixedly installed on the outer wall of the circular pipe 8. The other end of the air guide pipe 11 is fixed to the air outlet of the air compressor 5. One end of multiple aeration heads 10 is fixed to the outer wall of the circular pipe 8, and multiple aeration heads 10 are connected to the circular pipe 8.

[0027] The specific settings and functions of this embodiment are described in detail below. A stirring shaft 14 is installed inside the storage tank body 3. A dispersing blade group 16, a spiral propulsion blade group 15, and a bottom scraping blade group 17 are installed sequentially from top to bottom on the outer wall of the stirring shaft 14. A variable speed motor 4 is installed at the upper end of the storage tank body 3, and the upper end of the stirring shaft 14 is fixed to the output end of the variable speed motor 4. By starting the variable speed motor 4, the variable speed motor 4 will drive the dispersing blade group 16, the spiral propulsion blade group 15, and the bottom scraping blade group 17 to rotate inside the storage tank body 3 through the stirring shaft 14. This can stir the mortar inside the storage tank body 3. The dispersing blade group 16 rotates at high speed to initially disperse the mortar that has just entered the storage tank body 3. The spiral propulsion blade group 15 pushes the material up and down to circulate. The bottom scraping blade group 17 stirs the material at the bottom of the tank, so that the mortar can be initially and uniformly mixed in a short time, preventing the mortar from settling inside the storage tank body 3.

[0028] The dispersing blade assembly 16 consists of multiple turbine blades with a blade diameter of 0.5-0.7 times the tank diameter and a blade inclination angle of 25°-35°. When the stirring shaft 14 rotates, the dispersing blade assembly 16 rotates at high speed, generating strong shear force, which can quickly disperse the slurry layer and cementitious materials, avoid the "water separation" phenomenon, and at the same time fully stir and mix the upper layer of materials.

[0029] The spiral propulsion blade assembly 15 adopts a double spiral structure with a pitch of 0.6-1.0 times the diameter of the storage tank body 3. During the rotation process, the spiral propulsion blade assembly 15 pushes the mortar to circulate up and down along the axial direction, forming vertical convection, effectively preventing material stratification and promoting the overall mixing of materials in the tank.

[0030] The bottom scraper blade assembly 17 is composed of arc-shaped sawtooth blades with a blade thickness of 8-12mm. The edges are inlaid with wear-resistant materials (such as tungsten carbide), and the distance between the blade assembly and the inclined conical bottom is 5-10mm. The bottom scraper blade assembly 17 rotates close to the conical bottom inside the storage tank body 3, which can effectively remove sand, aggregate and other materials deposited at the bottom of the storage tank body 3, prevent scale from forming at the bottom of the storage tank body 3, and at the same time stir the bottom material.

[0031] Bottom aeration device: It consists of a circular pipe 8, multiple sets of aeration heads 10, air guide pipe 11 and air compressor 5. The microporous aeration heads 10 are evenly distributed below the inclined conical bottom of the storage tank body 3. They are connected to the air compressor 5 through the circular pipe 8 and air guide pipe 11. The air compressor 5 provides compressed air of 0.2-0.3MPa, which is released through the multiple sets of aeration heads 8 to form a bubble flow, which disturbs the mortar at the bottom of the storage tank body 3 and further prevents the bottom mortar from settling. It is especially suitable for mortar that has been stored statically for a long time.

[0032] The circulation and reflux system consists of a circulation pump 6, a reflux pipe 9, a connecting pipe 12, and a suction pipe 13. The inlet of the circulation pump 6 is connected to the storage tank body 3 through the connecting pipe 12 and the suction pipe 13, and the suction pipe 13 extends into the interior of the storage tank body 3. The outlet of the circulation pump 6 is connected to the storage tank body 3 through the reflux pipe 9, and one end of the reflux pipe 9 extends into the interior of the storage tank body 3. The circulation pump 6 extracts the mortar from the interior of the storage tank body 3 through the connecting pipe 12 and the suction pipe 13, and sends it back into the interior of the storage tank body 3 through the reflux pipe 9, forming a forced circulation of "bottom extraction and top injection", which enhances the mixing effect of the material and ensures that the mortar inside the storage tank body 3 is uniform.

[0033] Example 2: Figure 1 , Figure 2 and Figure 3 As shown, a support base 7 is fixedly installed on the outer wall of the return pipe 9, and a support frame 2 is fixedly installed on the outer wall of the storage tank body 3. One end of the support base 7 is fixed to the outer wall of the support frame 2, and the lower end of the support frame 2 is fixed to the upper end of the base 1.

[0034] The overall effect of this embodiment is that by installing a support frame 2 on the outer wall of the storage tank body 3, the support frame 2 can be supported, thereby improving the stability of the storage tank body 3 during operation; by installing a support seat 7 on the outer wall of the return pipe 9, and fixing one end of the support seat 7 to the outer wall of the support frame 2, the return pipe 9 can be supported, thereby improving the stability of the return pipe 9.

[0035] The operating method and working principle of this device are as follows: First, mortar is injected into the storage tank body 3 through the feed inlet. The variable speed motor 4 is started, and the output end of the variable speed motor 4 drives the stirring shaft 14 to rotate inside the storage tank body 3. The stirring shaft 14 drives the dispersing blade group 16, the spiral propulsion blade group 15, and the bottom scraping blade group 17 to start rotating. The dispersing blade group 16 rotates at high speed to initially disperse the mortar that has just entered the tank. The spiral propulsion blade group 15 pushes the material up and down for circulation, and the bottom scraping blade group 17 stirs the material at the bottom of the tank, so that the mortar achieves initial uniform mixing in a short time. Then, the circulation pump 6 is started, and the circulation pump 6 circulates... The mortar inside the storage tank body 3 is extracted through the connecting pipe 12 and the suction pipe 13, and then sent back to the inside of the storage tank body 3 through the return pipe 9, forming a forced circulation of "bottom extraction and top injection", which enhances the mixing effect of the material and ensures that the mortar inside the storage tank body 3 is uniform. Finally, the air compressor 5 is started, and the air compressor 5 provides compressed air of 0.2-0.3MPa, which is introduced into the interior of multiple sets of aeration heads 10 through the air guide pipe 11 and the circular pipe 8. The multiple sets of aeration heads 10 release air bubbles to disturb the mortar at the bottom of the storage tank body 3, further preventing the sedimentation of the bottom mortar, which is especially suitable for mortar that has been stored statically for a long time.

[0036] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from the technical solution of this utility model shall still fall within the protection scope of this utility model.

Claims

1. A mixing device for a mortar production storage tank to prevent sedimentation, comprising a base (1), characterized in that: A storage tank body (3) is provided above the base (1). A variable speed motor (4) is fixedly installed at the upper end of the storage tank body (3). An air compressor (5) is fixedly installed at the upper end of the base (1). A circulation pump (6) is fixedly installed at the upper end of the base (1). Multiple aeration heads (10) are installed through the outer wall of the storage tank body (3). A suction pipe (13) is installed through the outer wall of the storage tank body (3). A stirring shaft (14) is rotatably installed at the top of the inside of the storage tank body (3). A dispersing blade group (16), a spiral propulsion blade group (15), and a bottom scraping blade group (17) are installed sequentially from top to bottom on the outer wall of the stirring shaft (14).

2. The mixing device for an anti-sedimentation storage tank in mortar production according to claim 1, characterized in that: The upper end of the stirring shaft (14) is fixed to the output end of the variable speed motor (4), and the lower part of the stirring shaft (14), the dispersing blade group (16), the spiral propulsion blade group (15) and the bottom scraping blade group (17) are all located inside the storage tank body (3).

3. The mixing device for an anti-sedimentation storage tank in mortar production according to claim 1, characterized in that: A return pipe (9) is installed through the upper end of the storage tank body (3), and a connecting pipe (12) is fixedly installed at the feed inlet of one end of the circulating pump (6).

4. The mixing device for an anti-sedimentation storage tank in mortar production according to claim 3, characterized in that: The lower end of the return pipe (9) is fixed to the upper outlet of the circulating pump (6), and the other end of the connecting pipe (12) is fixed to one end of the suction pipe (13).

5. The mixing device for an anti-sedimentation storage tank in mortar production according to claim 1, characterized in that: A circular pipe (8) is provided below the storage tank body (3), and an air guide pipe (11) is fixedly installed on the outer wall of the circular pipe (8).

6. The mixing device for an anti-sedimentation storage tank in mortar production according to claim 5, characterized in that: The other end of the air duct (11) is fixed to the air outlet of the air compressor (5), and one end of each of the multiple aeration heads (10) is fixed to the outer wall of the annular pipe (8), and each of the multiple aeration heads (10) is connected to the annular pipe (8).

7. The mixing device for an anti-sedimentation storage tank in mortar production according to claim 3, characterized in that: A support base (7) is fixedly installed on the outer wall of the return pipe (9), and a support frame (2) is fixedly installed on the outer wall of the storage tank body (3). One end of the support base (7) is fixed to the outer wall of the support frame (2), and the lower end of the support frame (2) is fixed to the upper end of the base (1).

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