A calcium carbonate additive device with split flow mixing

Abstract

The utility model discloses a kind of calcium carbonate additive adding devices with shunting mixing, including conveying belt assembly, additive storage tank, drop guide pipe, guide hopper, monitoring camera, shunting component, mixing component, also support monitoring control room, display terminal, main control unit and heating sheet, temperature sensor, liquid level sensor.Shunting component realizes additive shunt accurate delivery and flow monitoring, mixing component is forced to mix with the mixing of additive and powder, and each electrical component and main control unit linkage realize intelligent control and monitoring.The utility model device solves the problem that uneven distribution of prior art additive, poor mixing effect, improves additive adding accuracy and mixing uniformity, reduces artificial inspection dependence, adapts to low temperature and other multiple working conditions, and guarantees calcium carbonate processing quality stability.

Description

Technical Field

[0001] This utility model belongs to the field of calcium carbonate processing equipment, specifically relating to a calcium carbonate additive device with diversion mixing. Background Technology

[0002] In the calcium carbonate processing industry, especially in production scenarios where product purity and particle uniformity are critical, the addition of liquid additives before raw material grinding directly impacts the quality of subsequent products. Liquid additives need to be controlled at 0.1%-0.3% of the total powder mass to improve powder dispersibility and reduce particle agglomeration during grinding. However, current additive addition equipment in the industry is still insufficient for adapting to continuous industrial production, affecting production efficiency and product quality stability, and hindering the industry's development towards greater efficiency and intelligence.

[0003] Early additive addition often employed a "manual monitoring + manual adjustment" model. Operators had to visually observe the powder flow rate on the conveyor belt and manually adjust the drip valve in dusty and noisy environments. This method was susceptible to human experience and fatigue, easily leading to deviations in additive dosage: excessive addition could cause material to adhere to the inner wall of the grinder, increasing cleaning frequency and maintenance costs; insufficient addition would result in uneven powder dispersion, affecting the particle size consistency of the ground product. Furthermore, long-term operation in harsh environments did not meet the safety and human-centered requirements of modern industrial production.

[0004] The subsequent semi-automatic monitoring systems, while enabling remote monitoring of the additive dripping status via surveillance cameras and reducing some manual inspection work, still have significant limitations: First, additive delivery is mostly single-path or simple multi-pipe parallel, without a precise diversion and adjustment structure, making it difficult to adapt to situations where powder accumulates or sparsely on the conveyor belt, easily leading to uneven additive addition in different areas; second, the mixing of additives and powder relies on natural falling and belt vibration, and the mixing uniformity needs to be improved. In some scenarios, additional mixing equipment is required for secondary processing, increasing equipment investment and production processes; third, the impact of ambient temperature on additive flowability is not considered. In low-temperature environments, the viscosity of additives increases, which may cause problems such as drip tube blockage and poor dripping, affecting production continuity.

[0005] Furthermore, existing semi-automatic systems mostly only provide visual monitoring and cannot collect key parameters such as additive flow rate and mixing temperature in real time, nor do they have automatic adjustment capabilities. When the drip flow rate is abnormal or the additive storage tank is insufficient, manual handling by operators is required, which may result in a certain amount of defective products or temporary shutdowns. Automated additive delivery technologies in other fields are difficult to directly apply due to significant differences in the types of additives they can handle, flow ranges, and processing requirements of calcium carbonate.

[0006] In summary, existing calcium carbonate additive technology does not fully meet the demands of continuous production in terms of precise diversion, efficient mixing, environmental adaptability, and intelligent control. The industry needs an additive device that can adjust additive flow, improve mixing efficiency, adapt to different operating conditions, and possess basic monitoring and early warning functions. This would improve product quality stability, increase production efficiency, reduce energy consumption and costs, and facilitate the optimization and upgrading of the calcium carbonate processing industry. Utility Model Content

[0007] To address the aforementioned shortcomings, this invention develops a calcium carbonate additive device with a diversion and mixing mechanism, solving the problems of uneven distribution, poor mixing, weak monitoring, and poor low-temperature compatibility of calcium carbonate additives in the prior art, thereby improving product quality.

[0008] To achieve the above technical objectives, the present invention adopts the following technical solution:

[0009] A calcium carbonate additive addition device with diversion mixing includes a conveyor belt assembly, an additive storage tank, a dripping conduit for dripping the additive in the additive storage tank onto the powder mixture conveyed by the conveyor belt assembly, a guide funnel disposed between the dripping conduit and the conveyor belt assembly, a monitoring camera disposed outside the conveyor belt assembly, and a diversion component disposed between the additive storage tank and the dripping conduit.

[0010] Furthermore, the monitoring camera is positioned directly above the material feeding funnel and the dripping conduit. The diversion assembly includes a diversion chamber, two flow monitors, and an electric flow control valve corresponding to each flow monitor. The input end of the diversion chamber is connected to the bottom of the additive storage tank, and the output end of the diversion chamber is connected to the dripping conduit. The flow monitors and the electric flow control valves are both located on the connecting pipeline between the diversion chamber and the dripping conduit.

[0011] Furthermore, it also includes a mixing component located between the feed funnel and the conveyor belt assembly, the mixing component including a mixing bin, a small drive motor and a stirring component.

[0012] Furthermore, the top of the mixing hopper is connected to the outlet of the guide funnel, the bottom of the mixing hopper is provided with a discharge port corresponding to the conveyor belt assembly, the small drive motor is fixed to the outer wall of the mixing hopper, the stirring component includes a stirring rod and stirring blades, one end of the stirring rod is connected to the output end of the small drive motor, and the other end extends into the mixing hopper, and the stirring blades are fixed to the rod body of the stirring rod located inside the mixing hopper.

[0013] Furthermore, it also includes a monitoring and control room, a display terminal located in the monitoring and control room, and a main control unit. The flow monitor, electric flow control valve, and monitoring camera are all electrically connected to the main control unit.

[0014] Furthermore, the inner wall of the mixing chamber is provided with heating elements, the heating elements are wrapped with an insulation layer, and the heating elements are electrically connected to the main control unit.

[0015] Furthermore, a temperature sensor is provided on the inner wall of the mixing hopper, and the temperature sensor is electrically connected to the main control unit.

[0016] Furthermore, the conveyor belt assembly is provided with a protective cover covering the conveyor belt assembly, the protective cover is provided with a port facing the discharge port of the mixing assembly, and the dripping conduit is provided with a flow regulating valve for adjusting the flow rate.

[0017] Furthermore, the feed funnel is provided with an elastic sheet located directly below the outlet of the drip conduit. The elastic sheet is within the field of view of the monitoring camera, and the monitoring camera also covers the connecting pipe of the diversion component.

[0018] Furthermore, a liquid level sensor is provided on the outside of the auxiliary agent storage tank. The liquid level sensor is electrically connected to the main control unit and is used to monitor the remaining amount of auxiliary agent in the auxiliary agent storage tank in real time and feed it back to the main control unit.

[0019] Compared with the prior art, the present invention has the following advantages:

[0020] 1. Optimize diversion and control to improve the problem of uneven distribution of adjuvants.

[0021] Compared to existing technologies with fixed single-channel or simple multi-channel dripping modes, this invention constructs a control system using a diversion component (including a diversion chamber, a flow monitor, and an electric flow control valve). The flow monitor collects the additive flow data of each pipeline in real time and feeds it back to the main control unit. The main control unit drives the electric flow control valve to dynamically adjust the flow of each pipeline, realizing the diversion adjustment of additives, adapting to the differences in powder distribution on the conveyor belt assembly, reducing additive addition errors, improving the uniformity of calcium carbonate product quality, and improving the problems of "local under-mixing" and "local over-mixing" in existing technologies.

[0022] 2. Enhances mixing effects and improves the limitations of natural mixing.

[0023] Existing technologies rely on natural falling and belt vibration mixing. This invention adds a mixing component (including a mixing hopper, a small drive motor, and a stirring component). The small drive motor drives the stirring blades to perform forced shearing and mixing of the additives and powders, improving the mixing uniformity. This eliminates the need for subsequent secondary mixing processes, reduces equipment investment costs, and shortens the production cycle. At the same time, the heating elements and insulation layer on the inner wall of the mixing hopper form a temperature control system. With real-time feedback from a temperature sensor, the temperature inside the hopper can be controlled within a suitable range for additive flow, avoiding the decrease in fluidity caused by increased additive viscosity at low temperatures. This improves the poor low-temperature adaptability of existing technologies.

[0024] 3. Improve monitoring functions and enhance process controllability

[0025] Compared to existing technologies that rely solely on visual monitoring, this invention integrates multi-dimensional data from flow monitoring, temperature monitoring, liquid level monitoring, and visual monitoring through a main control unit: the monitoring camera covers the dripping conduit, the material funnel, and the diversion component pipeline, combined with an elastic sheet to assist in identifying the dripping status; the liquid level sensor provides real-time feedback on the remaining amount in the additive storage tank, enabling material shortage warnings; all parameters are visualized on the display terminal, supporting remote control, reducing the frequency of manual inspections, and lowering the exposure risk of operators in high-dust and high-noise environments, thus meeting the basic requirements of modern industrial intelligent and safe production. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of the device of this utility model;

[0027] Figure 2 This is a schematic diagram of the monitoring and control system of the present invention.

[0028] In the attached diagram: 1-Conveyor belt assembly; 2-Auxiliary agent storage tank; 3-Drip conduit; 4-Conveying funnel; 5-Monitoring camera; 6-Monitoring control room; 7-Display terminal; 8-Main control unit; 9-Mounting platform; 10-Support bracket; 11-Load-bearing column; 12-Elastic sheet; 13-Protective cover; 14-Port; 15-Flow regulating valve; 16-Diverter compartment; 17-Flow monitor; 18-Electric flow control valve; 19-Mixing bin; 20-Small drive motor; 21-Heating element; 22-Level sensor. Detailed Implementation

[0029] The following is in conjunction with the appendix Figure 1 , 2 The present invention will be further described in detail with examples:

[0030] The conveyor belt assembly 1 serves as the foundation for material conveying. A monitoring camera 5 is fixedly installed on its outer side. The lens of the monitoring camera 5 faces the upper part of the guide funnel 4 and the dripping conduit 3, while also covering the connecting pipes of the diversion assembly. The guide funnel 4 is positioned between the dripping conduit 3 and the conveyor belt assembly 1. An elastic sheet 12 is installed inside the guide funnel 4, directly below the outlet of the dripping conduit 3. The elastic sheet 12 is within the field of view of the monitoring camera 5. A flow regulating valve 15 for adjusting the flow rate is installed on the dripping conduit 3. The conveyor belt assembly 1 is covered with a protective cover 13, and the protective cover 13 has an opening 14 facing the discharge port of the mixing assembly. The additive storage tank 2 is used to store additives, and a liquid level sensor 22 is installed on its outside. The liquid level sensor 22 is electrically connected to the main control unit 8. The bottom of the additive storage tank 2 is connected to the input end of the diversion chamber 16 in the diversion assembly. The output end of the diversion chamber 16 is connected to each drop conduit 3 in a corresponding manner. A flow monitor 17 and an electric flow controller are installed sequentially on each connecting pipe between the diversion chamber 16 and the drop conduit 3. Valve 18; A mixing assembly is provided between the feed funnel 4 and the conveyor belt assembly 1. The top of the mixing chamber 19 in the mixing assembly is connected to the outlet of the feed funnel 4. The bottom of the mixing chamber 19 has a discharge port corresponding to the conveyor belt assembly 1. A small drive motor 20 is fixedly installed on the outer wall of the mixing chamber 19. The output end of the small drive motor 20 is connected to one end of the stirring rod in the mixing component. The other end of the stirring rod extends through the side wall of the mixing chamber 19 into the interior of the mixing chamber 19. An agitator is fixedly installed on the rod body inside the mixing chamber 19. The mixing blades and the inner wall of the mixing hopper 19 are equipped with heating elements 21 and temperature sensors. The heating elements 21 are wrapped with an insulation layer. Both the heating elements 21 and the temperature sensors are electrically connected to the main control unit 8. In addition, a monitoring and control room 6 is provided. The monitoring and control room 6 is equipped with a display terminal 7 and the main control unit 8. The flow monitor 17, the electric flow control valve 18, and the monitoring camera 5 are all electrically connected to the main control unit 8 to realize the transmission of operating data of each component and the issuance of control commands, so as to ensure that the entire device can stably and accurately complete the calcium carbonate additive addition operation.

[0031] The technical principle of this utility model is as follows:

[0032] This invention relates to a calcium carbonate additive device with a diversion mixing mechanism. Based on a synergistic design of "regulation-mixing-monitoring," it achieves stable addition of additives during calcium carbonate processing. The specific principle is as follows:

[0033] From the perspective of additive delivery control, the liquid additives in the additive storage tank are transported by gravity to the distribution chamber of the distribution assembly. The distribution chamber then diverts the additives into two connecting pipelines. Flow monitors on each pipeline collect additive flow data in real time, convert it into electrical signals, and transmit it to the main control unit. Based on the difference between the preset flow parameters and the actual collected data, the main control unit sends adjustment commands to the electric flow control valve. By controlling the valve opening, the flow rate is dynamically corrected, ensuring that the additive delivery volume of the two pipelines matches the powder distribution requirements of different areas on the conveyor belt assembly. Simultaneously, the flow regulating valve on the dripping conduit can serve as a backup adjustment mechanism to further ensure flow stability and improve the problem of uneven additive distribution in traditional fixed delivery modes.

[0034] In the additive and powder mixing stage, the additives collected by the guide funnel and the powder conveyed by the conveyor belt assembly simultaneously enter the mixing hopper. A small drive motor drives the stirring rod to rotate the stirring blades, breaking up the agglomeration of the additives and powder through shearing and stirring actions, achieving forced mixing. When the ambient temperature is low and the viscosity of the additives increases, the temperature sensor on the inner wall of the mixing hopper monitors the temperature inside the hopper in real time and feeds it back to the main control unit. The main control unit controls the heating element to start heating, which, together with the outer insulation layer, reduces heat loss, maintaining the temperature inside the hopper within a suitable range for additive flow, ensuring the stability of the mixing process and avoiding problems with poor mixing at low temperatures.

[0035] At the monitoring and control level, the monitoring camera captures real-time images of the dripping conduit outlet, the elastic sheet inside the feed funnel, and the connecting pipes of the diversion component. The vibrations caused by the additive dripping onto the elastic sheet help monitoring personnel determine whether the dripping is normal. The image signals, along with data collected by the flow monitor, temperature sensor, and level sensor, are all transmitted to the main control unit, processed, and displayed on the terminal. When the level sensor detects insufficient additive storage in the tank, or when the flow rate or temperature data exceeds the preset range, the main control unit can trigger an alarm and adjust relevant components, thereby achieving monitoring and control of the device's operation, reducing manual intervention, and ensuring stable operation of the device.

[0036] Those skilled in the art will recognize that the examples described herein are intended to help the reader understand the principles of this invention, and should be understood as not limiting the scope of protection of this invention to such specific statements and embodiments. Those skilled in the art can make various other specific modifications and combinations based on these technical teachings disclosed herein without departing from the scope of this invention, and these modifications and combinations are still within the scope of protection of this invention.

Claims

1. A calcium carbonate additive device with a split-flow mixing function, characterized in that, It includes a conveyor belt assembly (1), an additive storage tank (2), a dripping conduit (3) for dripping the additive in the additive storage tank (2) onto the powder mixture conveyed by the conveyor belt assembly (1), and also includes a guide funnel (4) between the dripping conduit (3) and the conveyor belt assembly (1), a monitoring camera (5) located outside the conveyor belt assembly (1), and a diversion assembly located between the additive storage tank (2) and the dripping conduit (3); The monitoring camera (5) is positioned above the material funnel (4) and the dripping conduit (3). The diversion assembly includes a diversion chamber (16), two flow monitors (17), and an electric flow control valve (18) corresponding to the flow monitors (17). The input end of the diversion chamber (16) is connected to the bottom of the auxiliary agent storage tank (2), and the output end of the diversion chamber (16) is connected to the dripping conduit (3). The flow monitors (17) and the electric flow control valve (18) are both located on the connecting pipe between the diversion chamber (16) and the dripping conduit (3).

2. The calcium carbonate additive device with split-flow mixing according to claim 1, characterized in that, It also includes a mixing component located between the feed funnel (4) and the conveyor belt assembly (1), the mixing component including a mixing bin (19), a small drive motor (20) and a stirring component.

3. The calcium carbonate additive device with split-flow mixing according to claim 2, characterized in that, The top of the mixing hopper (19) is connected to the outlet of the guide funnel (4), and the bottom of the mixing hopper (19) is provided with a discharge port corresponding to the conveyor belt assembly (1). The small drive motor (20) is fixed to the outer wall of the mixing hopper (19). The stirring component includes a stirring rod and stirring blades. One end of the stirring rod is connected to the output end of the small drive motor (20), and the other end extends into the mixing hopper (19). The stirring blades are fixed to the rod body of the stirring rod located inside the mixing hopper (19).

4. The calcium carbonate additive addition device with split-flow mixing according to claim 1, characterized in that, It also includes a monitoring and control room (6), a display terminal (7) located in the monitoring and control room (6), and a main control unit (8). The flow monitor (17), the electric flow control valve (18), and the monitoring camera (5) are all electrically connected to the main control unit (8).

5. The calcium carbonate additive device with split-flow mixing according to claim 2, characterized in that, The mixing hopper (19) is provided with a heating element (21) on its inner wall. The heating element (21) is wrapped with an insulation layer on its outer side. The heating element (21) is electrically connected to the main control unit (8).

6. The calcium carbonate additive device with split-flow mixing according to claim 2, characterized in that, The mixing hopper (19) is equipped with a temperature sensor on its inner wall, and the temperature sensor is electrically connected to the main control unit (8).

7. The calcium carbonate additive device with split-flow mixing according to claim 1, characterized in that, The conveyor belt assembly (1) is provided with a protective cover (13) covering the conveyor belt assembly (1), the protective cover (13) is provided with a port (14) facing the discharge port of the mixing assembly, and the dripping conduit (3) is provided with a flow regulating valve (15) for adjusting the flow rate.

8. The calcium carbonate additive device with split-flow mixing according to claim 1, characterized in that, The feed funnel (4) is provided with an elastic sheet (12) located directly below the outlet of the dripping conduit (3). The elastic sheet (12) is located within the field of view of the monitoring camera (5), and the monitoring camera (5) also covers the connecting pipe of the diversion component.

9. The calcium carbonate additive device with split-flow mixing according to claim 1, characterized in that, The auxiliary agent storage tank (2) is equipped with a liquid level sensor (22) on the outside. The liquid level sensor (22) is electrically connected to the main control unit (8) and is used to monitor the remaining amount of auxiliary agent in the auxiliary agent storage tank (2) in real time and feed it back to the main control unit (8).

Images