Cement bin convenient to clean

Through the design of the lifting mechanism and cleaning components, the motor drives the screw to drive the annular water pipe and scraper to move, combined with high-pressure spraying and scraping, the problem of poor cleaning of the inner wall of the cement silo is solved, and the cleaning efficiency and safety are improved.

CN223315665UActive Publication Date: 2025-09-09PINGLIANG QILIANSHAN CEMENT CO LTD
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Patent Information

Application Number
CN202422541827.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-21
Publication Date
2025-09-09
Estimated Expiration
2034-10-21

AI Technical Summary

Technical Problem

After long-term use, the materials in cement silos are compacted and hardened, resulting in poor material discharge, low cleaning efficiency and unsafe conditions, affecting production and economic benefits.

Method used

A cement silo including a lifting mechanism and a cleaning component was designed. A motor-driven screw was used to drive the annular water pipe and scraper to move up and down. A high-pressure water pump was used to spray and scrape off the adhered cement slurry. The motor was stopped by a distance sensor to prevent sticking.

Benefits of technology

It achieves efficient cleaning of the inner wall of the cement silo, reduces cement waste, and improves production efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223315665U_ABST
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Abstract

The utility model discloses a cement bin convenient to clean, which belongs to the technical field of cement bins and comprises a support and a cement bin body fixedly mounted on the support, a feed pipe is arranged at the top of the cement bin body, the bottom of the cement bin body is of a cone structure and is provided with a discharge pipe, and a discharge valve is arranged on the discharge pipe. The lifting mechanism is arranged in the cement bin body, the cleaning assembly is in transmission fit with the lifting mechanism, the water supply mechanism is arranged at the top of the cement bin body, the cleaning assembly comprises an annular water pipe and an annular scraping plate located above the annular water pipe, and a plurality of spraying holes are formed in the annular pipe wall of the outer side of the annular water pipe; the water outlet end of the water supply mechanism communicates with the annular water pipe through a spring-shaped hose, and the annular scraper is in sliding fit with the inner wall of the cement bin body. According to the utility model, the motor rotates forwards and backwards to drive the sliding seat on the screw rod to reciprocate up and down, so that the inner wall of the cement bin is sprayed and scraped at high pressure in time through the annular water pipe and the annular scraping plate which are arranged on the sliding seat.
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Description

Technical Field

[0001] The utility model relates to the technical field of cement silos, in particular to a cement silo which is easy to clean. Background Art

[0002] Cement plants and large-scale mixing stations store large amounts of bulk cement, which is stored in cement silos. However, during long-term use, the cement silos will become compacted and hardened, which will cause poor material discharge. In severe cases, this will affect normal production and directly affect the economic benefits of the enterprise. After long-term accumulation, the volume ratio of the cement silo will be reduced.

[0003] At present, when cement is stored in a cement silo, it is impossible to discharge all the cement slurry. Some cement slurry will stick to the inner wall of the cement silo, which not only causes a waste of cement slurry, but also makes it difficult to clean the cement stuck on the inner wall of the cement silo. Currently, manual cleaning is used, which is not only inefficient but also unsafe. Utility Model Content

[0004] The purpose of the utility model is to provide a cement silo that is easy to clean, aiming to solve the problem of poor cleaning effect of the inner wall of the cement silo existing in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a cement silo that is easy to clean, comprising a bracket and a cement silo body fixedly mounted on the bracket, a feed pipe being connected through the top of the cement silo body, a conical structure at the bottom of the cement silo body and a discharge pipe being provided, a discharge valve being provided on the discharge pipe, and a lifting mechanism and a cleaning assembly being provided in the cement silo body, as well as a water supply mechanism being provided on the top of the cement silo body, the cleaning assembly comprising an annular water pipe and an annular scraper located above the annular water pipe, the annular water pipe and the annular scraper being coaxially arranged and both being in transmission cooperation with the lifting mechanism, a plurality of spray holes acting on the inner wall of the silo body being provided on the annular pipe wall outside the annular water pipe, the water outlet end of the water supply mechanism being connected to the annular water pipe through a spring-shaped hose, and the annular scraper being in sliding cooperation with the inner wall of the cement silo body.

[0006] Furthermore, the lifting mechanism includes a motor, a vertically arranged screw and a sliding rod. The motor is fixedly installed on the top of the cement silo body, one end of the screw is fixedly connected to the output shaft of the motor, and the other end is rotatably connected to the inner wall of the cement silo body. The sliding rod is arranged inside the cement silo body and the screw and the sliding rod are symmetrically arranged with the axis of the cement silo body as the center. The screw is provided with a sliding seat that is threadedly engaged with it, and the sliding rod is provided with a sliding seat that is slidably engaged with it. The annular water pipe is fixedly installed between the two sliding seats, and the annular scraper is sleeved on the outside of the two sliding seats and fixedly connected to them.

[0007] Furthermore, the water supply mechanism includes a water collecting tank, a partition chamber is provided inside the water collecting tank, and the partition chamber and the water collecting tank are integrally formed, a high-pressure water pump is provided inside the partition chamber, the water outlet end of the high-pressure water pump is connected to the annular water pipe through a spring-shaped hose, and the water inlet end of the high-pressure water pump passes through the partition chamber and is connected to the water source inside the water collecting tank.

[0008] Furthermore, the annular water pipe is made of stainless steel.

[0009] Furthermore, a distance sensor is provided at the bottom end of the annular water pipe, and the distance sensor is electrically connected to the control end of the motor through a controller.

[0010] The utility model has the following beneficial effects:

[0011] The utility model provides a cement silo that is easy to clean. The forward and reverse rotation of the motor drives the sliding seat on the screw to reciprocate up and down, and an annular water pipe and an annular scraper are fixedly installed on the sliding seat, so that the cement slurry stuck on the inner wall of the cement silo can be sprayed and scraped off with high pressure in time; a distance sensor arranged at the bottom end of the annular water pipe can control the motor to stop in time to prevent the cement slurry from sticking to the cleaning component. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a structural diagram of the water supply mechanism of the present utility model;

[0014] Figure 3 This is a schematic structural diagram of the annular scraper of the present utility model;

[0015] In the figure: 1. Cement silo body; 2. Feed pipe; 3. Annular water pipe; 4. Annular scraper; 5. Spray hole; 6. Spring hose; 7. Motor; 8. Screw; 9. Slide rod; 10. Sliding seat; 11. Water collecting tank; 12. Partition chamber; 13. High-pressure water pump; 14. Distance sensor. DETAILED DESCRIPTION

[0016] like Figures 1 to 3As shown, a cement silo that is easy to clean includes a bracket and a cement silo body 1 fixedly mounted on the bracket, a feed pipe 2 is connected through the top of the cement silo body 1, the bottom of the cement silo body 1 is a cone structure and is provided with a discharge pipe, the discharge pipe is provided with a discharge valve, and also includes a lifting mechanism and a cleaning component arranged in the cement silo body 1, and a water supply mechanism arranged at the top of the cement silo body 1, the cleaning component includes an annular water pipe 3 and an annular scraper 4 located above the annular water pipe 3, the annular water pipe 3 and the annular scraper 4 are coaxially arranged and both are driven by the lifting mechanism, a plurality of spray holes 5 acting on the inner wall of the silo body are provided on the annular pipe wall outside the annular water pipe 3, the water outlet end of the water supply mechanism is connected to the annular water pipe 3 through a spring-shaped hose 6, and when the lifting mechanism drives the annular water pipe 3 to move up and down, the spring-shaped hose 6 can freely extend and retract its length; the annular scraper 4 slides in cooperation with the inner wall of the cement silo body 1.

[0017] The lifting mechanism includes a motor 7, a vertically arranged screw 8 and a sliding rod 9. The motor 7 is fixedly mounted on the top of the cement silo body 1. One end of the screw 8 is fixedly connected to the output shaft of the motor 7, and the other end is rotatably connected to the inner wall of the cement silo body 1. The sliding rod 9 is arranged inside the cement silo body 1 and the screw 8 and the sliding rod 9 are symmetrically arranged with the axis of the cement silo body 1 as the center. The screw 8 is provided with a sliding seat 10 that is threadedly matched with it, and the sliding rod 9 is provided with a sliding seat 10 that is slidably matched with it. The annular water pipe 3 is fixedly mounted between the two sliding seats 10, and the annular scraper 4 is sleeved on the outside of the two sliding seats 10 and fixedly connected to them.

[0018] The water supply mechanism includes a water collecting tank 11, a partition chamber 12 is provided inside the water collecting tank 11, and the partition chamber 12 and the water collecting tank 11 are integrally formed. A high-pressure water pump 13 is provided inside the partition chamber 12, and the water outlet end of the high-pressure water pump 13 is connected to the annular water pipe 3 through a spring-shaped hose 6, and the water inlet end of the high-pressure water pump 13 passes through the partition chamber 12 and is connected to the water source inside the water collecting tank 11, and then high-pressure spraying is performed on the inner wall of the cement silo body 1 through the spray hole 5 on the annular water pipe 3.

[0019] The annular water pipe 3 is made of stainless steel, and the spring-shaped hose 6 is a spring-shaped hose made of plastic.

[0020] A distance sensor 14 is provided at the bottom end of the annular water pipe 3 , and the distance sensor 14 is electrically connected to the control end of the motor 7 through a controller.

[0021] The specific operation process of the utility model is as follows:

[0022] When the cement in the cement silo is completely discharged, the motor 7 and the high-pressure water pump 13 are started at the same time, driving the screw 8 to rotate, so that the sliding seat 10 threadedly connected to the screw 8 reciprocates up and down, thereby driving the annular water pipe 3 and the annular scraper 4 in the cleaning component to move up and down, and the spray holes 5 on the annular pipe wall outside the annular water pipe 3 spray high pressure to the inner wall of the cement silo body 1, and the annular scraper 4 located above the annular water pipe 3 scrapes the inner wall after spraying, and scrapes off the cement slurry on the inner wall; when the cement in the cement silo is not completely discharged, in order to prevent the cement slurry remaining on the upper end of the inner wall from solidifying, the staff can start the motor 7 to make the cleaning component scrape downwards. When the distance sensor 14 approaches to a certain distance range from the cement surface, the controller controls the motor 7 to stop in time and return to its original position to prevent the cleaning component from sticking to the cement.

Claims

1. A cement silo that is easy to clean, comprising a bracket and a cement silo body (1) fixedly mounted on the bracket, wherein a feed pipe (2) is connected through the top of the cement silo body (1), and the bottom of the cement silo body (1) is a cone structure and is provided with a discharge pipe, and a discharge valve is provided on the discharge pipe, characterized in that: The invention also includes a lifting mechanism and a cleaning component arranged in the cement silo body (1), and a water supply mechanism arranged on the top of the cement silo body (1). The cleaning component includes an annular water pipe (3) and an annular scraper (4) located above the annular water pipe (3). The annular water pipe (3) and the annular scraper (4) are coaxially arranged and both are in transmission cooperation with the lifting mechanism. A plurality of spray holes (5) acting on the inner wall of the silo body are provided on the annular pipe wall outside the annular water pipe (3). The water outlet end of the water supply mechanism is connected to the annular water pipe (3) through a spring-shaped hose (6). The annular scraper (4) is in sliding cooperation with the inner wall of the cement silo body (1).

2. The cement silo that is easy to clean according to claim 1, characterized in that: The lifting mechanism comprises a motor (7), a vertically arranged screw (8) and a slide rod (9); the motor (7) is fixedly mounted on the top of the cement silo body (1); one end of the screw (8) is fixedly connected to the output shaft of the motor (7), and the other end is rotatably connected to the inner wall of the cement silo body (1); the slide rod (9) is arranged inside the cement silo body (1) and the screw (8) and the slide rod (9) are symmetrically arranged with the axis of the cement silo body (1) as the center; the screw (8) is provided with a sliding seat (10) threadedly engaged with the screw; the slide rod (9) is provided with a sliding seat (10) slidably engaged with the screw; the annular water pipe (3) is fixedly mounted between the two sliding seats (10); the annular scraper (4) is sleeved on the outside of the two sliding seats (10) and fixedly connected thereto.

3. The cement silo that is easy to clean according to claim 1, characterized in that: The water supply mechanism comprises a water collecting tank (11), a partition chamber (12) is provided inside the water collecting tank (11), and the partition chamber (12) and the water collecting tank (11) are integrally formed, a high-pressure water pump (13) is provided inside the partition chamber (12), a water outlet end of the high-pressure water pump (13) is connected to the annular water pipe (3) through a spring-shaped hose (6), and a water inlet end of the high-pressure water pump (13) passes through the partition chamber (12) and is connected to a water source inside the water collecting tank (11).

4. The cement silo that is easy to clean according to claim 1, characterized in that: The annular water pipe (3) is made of stainless steel.

5. The cement silo that is easy to clean according to claim 1, characterized in that: A distance sensor (14) is provided at the bottom end of the annular water pipe (3), and the distance sensor (14) is electrically connected to the control end of the motor (7) through a controller.