Integrated device for storing, conveying, metering and proportioning powder materials

Abstract

The utility model relates to the technical field of material processing equipment, in particular to a powder material storage, conveying, metering and slurry preparation integrated device which comprises a material storage system, a conveying and metering system and a slurry preparation system, and the material storage system comprises a feed pipe, a material storage bin, a bin top dust collector, a conical feed opening and a Roots blower; the conveying and metering system comprises a metering screw conveyor, a scraper conveyor and a wet dust collector; the slurry preparation system comprises an efficient slurry preparation tank, a stirrer, a water inlet pipe and a discharge pipe. According to the integrated device for storing, conveying, metering and proportioning the powder materials, the layout of a traditional complex production line is greatly optimized through the simple operation process, the control system easy to operate, the excellent treatment efficiency and the accurate metering capacity of the integrated device. The whole production efficiency is remarkably improved, high efficiency, accuracy, continuity, environmental protection and automation level of the powder materials in the treatment process are guaranteed, and a brand new solution is provided for processing and treatment of the powder materials.

Description

Technical Field

[0001] The utility model relates to the technical field of material processing equipment, in particular to an integrated device for storing, conveying, measuring and dispensing powder materials. Background Art

[0002] In many industries such as chemical, pharmaceutical, and food, powder materials are important production raw materials, and their processing process involves storage, transportation, metering, and slurry preparation. In the traditional production process, powder materials are usually stored in bulk or packaged forms, which have problems such as large volume, large floor space, and susceptibility to pollution; there are various transportation methods, including pneumatic transportation, screw transportation, vibration transportation, etc., but there are problems such as dust and agglomeration; the metering process relies on manual operation, which has errors and instability; in the slurry preparation process, the mixing of powder materials and liquids needs to consider suspension, dissolution, emulsification and other requirements. However, the operation processes of traditional processing methods are often separated from each other, and usually have problems such as low efficiency, low precision, and complex operation. With the continuous expansion of production scale, traditional powder material processing methods can no longer meet the needs of large-scale and continuous production in modern industry. Therefore, it is an urgent need in the industry to develop a device that can efficiently, accurately, continuously, environmentally friendly, and automatically process powder materials. Utility Model Content

[0003] The purpose of the utility model is to provide an integrated device for powder material storage, transportation, metering and slurry preparation, so as to solve the problems that the traditional processing method proposed in the above background technology is often separated from each other, usually has low efficiency, low precision, complicated operation and the like. With the continuous expansion of production scale, the traditional powder material processing method can no longer meet the needs of large-scale and continuous production in modern industry.

[0004] To achieve the above-mentioned objectives, the utility model provides an integrated device for storing, conveying, metering and preparing slurry of powder materials, including a material storage system, a conveying and metering system and a slurry preparation system, wherein the material storage system includes a feed pipe, a storage bin, a bin top dust collector, a conical discharge port and a Roots blower; the conveying and metering system includes a metering screw conveyor, a scraper conveyor and a wet dust collector; the slurry preparation system includes a high-efficiency slurry preparation tank, an agitator, a water inlet pipe and a discharge pipe; the feed pipe is connected to the top of the storage bin, the bin top dust collector is installed on the top of the storage bin, the bottom of the storage bin is connected to one end of the metering screw conveyor, and the bottom of the other end of the metering screw conveyor is connected to the feed port of the high-efficiency slurry preparation tank through a scraper conveyor, the wet dust collector is connected to the scraper conveyor at the front end of the feed port, the water inlet pipe is connected to the top of the high-efficiency slurry preparation tank, and the discharge pipe is connected to one side of the bottom of the high-efficiency slurry preparation tank.

[0005] Preferably, the storage bin is made of stainless steel, the outer wall is coated with an anti-corrosion coating, the inner wall is coated with an anti-corrosion coating and an anti-stick coating, two vibrators are symmetrically installed in the middle of the outer wall, one or more conical discharge ports are set at the bottom of the storage bin, and several inflation boxes are arranged on the inclined surface around the conical discharge port.

[0006] Preferably, the conical discharge port is composed of a conical section, a straight section and a bellows section from top to bottom, an electric gate valve is arranged on the straight section, and an air flow nozzle is arranged above the electric gate valve.

[0007] Preferably, the output end of the Roots blower is respectively connected to the air charging box and the air flow nozzle through pipelines.

[0008] Preferably, the metering screw conveyor consists of a screw conveyor and a fixed pull rope, one end of the screw conveyor is connected to the conical discharge port, the other end is suspended by a fixed pull rope, and the middle part is supported and fixed by a support beam.

[0009] Preferably, the shell of the high-efficiency slurry distribution tank is made of stainless steel, lined with an anti-corrosion material layer, a triangular baffle is arranged on the inner wall, and an anti-eddy current baffle is arranged on the bottom.

[0010] Preferably, a pneumatic valve is provided on the water inlet pipe.

[0011] Preferably, the electric gate valve and the pneumatic valve are both automatically controlled.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The integrated device for powder material storage, transportation, metering and slurry preparation has greatly optimized the layout of the traditional complex production line with its simple operation process, easy-to-operate control system, excellent processing efficiency and precise metering ability. Through this design, not only the overall production efficiency is significantly improved, but also the high efficiency, accuracy, continuity, environmental protection and automation level of powder material processing are ensured, thus providing a new solution for the processing and treatment of powder materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the bottom structure of the storage bin in the utility model;

[0016] Figure 3 It is a structural schematic diagram of the conical feeding port in the utility model.

[0017] The meaning of each number in the figure is:

[0018] 1. Storage system; 2. Conveying and metering system; 3. Slurry preparation system; 11. Feed pipe; 12. Storage bin; 121. Vibrator; 122. Inflatable box; 13. Dust collector on top of bin; 14. Conical discharge port; 141. Cone section; 142. Straight section; 143. Bellows section; 1421. Air flow nozzle; 1422. Electric gate valve; 15. Roots blower; 21. Measuring screw conveyor; 22. Scraper conveyor; 23. Wet dust collector; 211. Screw conveyor; 212. Fixed pull rope; 213. Support beam; 31. High-efficiency slurry preparation tank; 32. Agitator; 33. Water inlet pipe; 34. Discharge pipe; 311. Feed port; 312. Triangular baffle; 313. Anti-vortex baffle; 331. Pneumatic valve. DETAILED DESCRIPTION

[0019] 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 in 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.

[0020] The utility model provides an integrated device for powder material storage, transportation, metering and slurry mixing, such as Figure 1-Figure 3As shown, it includes a storage system 1, a conveying and metering system 2 and a slurry preparation system 3. The storage system 1 includes a feed pipe 11, a storage bin 12, a bin top dust collector 13, a conical discharge port 14 and a Roots blower 15; the conveying and metering system 2 includes a metering screw conveyor 21, a scraper conveyor 22 and a wet dust collector 23; the slurry preparation system 3 includes a high-efficiency slurry preparation tank 31, an agitator 32, a water inlet pipe 33 and a discharge pipe 34; the feed pipe 11 is connected to the top of the storage bin 12, the bin top dust collector 13 is installed on the top of the storage bin 12, and the bottom of the storage bin 12 is connected to the top of the storage bin 12. The metering screw conveyor 21 is connected to one end of the metering screw conveyor 21, and the bottom of the other end of the metering screw conveyor 21 is connected to the feed port 311 of the high-efficiency slurry mixing tank 31 through the scraper conveyor 22. The wet dust collector 23 is connected to the scraper conveyor 22 at the front end of the feed port 311. The water inlet pipe 33 is connected to the top of the high-efficiency slurry mixing tank 31, and the discharge pipe 34 is connected to the bottom side of the high-efficiency slurry mixing tank 31. The powder material is directly introduced into the storage bin 12 through the feed pipe 11. The dust collector 13 on the top of the bin effectively prevents the dust generated by the material during the feeding process and keeps the working environment clean. The design of the storage bin 12 ensures the safe storage of materials and provides a stable source of materials for subsequent transportation and metering. The materials at the bottom of the storage bin 12 are accurately metered by the metering screw conveyor 21. The spiral structure of the screw conveyor can evenly transport the materials and monitor the weight of the materials in real time through the weighing sensor 212 to ensure the accuracy of the metering. Subsequently, the material is smoothly transported to the feed port 311 of the efficient slurry mixing tank 31 through the scraper conveyor 22. The setting of the wet dust collector 23 further reduces dust during material transportation, ensuring the cleanliness of the working environment and the purity of the material. The efficient slurry mixing tank 31 is the core component of the slurry mixing system. Its shell is made of stainless steel and lined with an anti-corrosion material layer to ensure the corrosion resistance and long-term stable operation of the equipment. The setting of the triangular baffle 312 and the anti-eddy current baffle 313 optimizes the material flow during the slurry mixing process and improves the uniformity and efficiency of the slurry mixing. The water inlet pipe 33 is connected to the top of the efficient slurry mixing tank 31. The concentration of the slurry can be accurately controlled by adjusting the water inlet. Finally, the prepared slurry flows out through the discharge pipe 34 for use in subsequent processes.

[0021] In this embodiment, the storage bin 12 is made of stainless steel, the outer wall is coated with an anti-corrosion coating, the inner wall is coated with an anti-corrosion coating and an anti-stick coating, two vibrators 121 are symmetrically installed in the middle of the outer wall, and one or more conical discharge ports 14 are set at the bottom of the storage bin 12, and a number of inflation boxes 122 are arranged on the inclined surface around the conical discharge port 14.

[0022] Specifically, the conical discharge port 14 comprises a conical section 141 , a straight section 142 and a bellows section 143 from top to bottom. An electric gate valve 1422 is provided on the straight section 142 , and an air flow nozzle 1421 is provided above the electric gate valve 1422 for spraying air to the straight section 142 .

[0023] Furthermore, the output end of the Roots blower 15 is connected to the gas charging box 122 and the air flow nozzle 1421 through pipelines to ensure the delivery of gas.

[0024] Furthermore, the metering screw conveyor 21 is composed of a screw conveyor 211 and a fixed pull rope 212. One end of the screw conveyor 211 is connected to the conical discharge port 14, and the other end is connected and suspended by the fixed pull rope 212. The middle part is supported and fixed by a support beam 213.

[0025] Furthermore, the shell of the high-efficiency slurry distribution tank 31 is made of stainless steel, lined with an anti-corrosion material layer, a triangular baffle 312 is arranged on the inner wall, and an anti-eddy current baffle 313 is arranged on the bottom to prevent the generation of eddy currents.

[0026] Furthermore, a pneumatic valve 331 is provided on the water inlet pipe 33 to facilitate the on-off control of the water inlet pipe 33 .

[0027] Furthermore, both the electric gate valve 1422 and the pneumatic valve 331 are automatically controlled to facilitate the switching operation of the electric gate valve 1422 and the pneumatic valve 331.

[0028] When the utility model is used, the integrated device for storing, conveying, metering and slurry preparation of powder materials first enters the storage bin 12 for storage through the air flow conveying pump and the feed pipe 11, and the dust generated during the feeding process is absorbed and purified by the dust collector 13 on the top of the bin; the vibrator 121 on the storage bin 12 is regularly turned on to vibrate to prevent the calcium carbonate powder from absorbing water and getting wet and adhering to the inner wall of the storage bin 12; the calcium carbonate powder enters the metering screw conveyor 21 through the conical discharge port 14 at the bottom of the silo, and then is conveyed into the efficient slurry preparation tank 31 through the scraper conveyor 22, and the dust generated during the process is absorbed and purified by the wet dust collector 23. The calcium carbonate flow rate and the material-liquid ratio are set according to the demand and concentration, and the calcium carbonate feed amount and water intake are automatically controlled. The calcium carbonate emulsion of the required concentration is obtained by stirring and preparing through the agitator 32, and then conveyed to the required process for use through the discharge pipe 34.

[0029] Conveying and metering process: the Roots blower 15, the screw conveyor 211 and the scraper conveyor 22 are put into operation, and the electric gate valve 1422 is opened by setting the amount through the automatic control system. The powder material in the storage bin 12 falls into the screw conveyor 211 from the conical discharge port 14 under the action of gravity and then enters the scraper conveyor 22 for transportation; the air box 122 at the bottom of the storage bin 12 is filled with high-pressure air generated by the Roots blower, and the powder material is discharged in a fluidized state under a certain air volume. The outer shell of the air box 122 is carbon steel, and the top is a breathable cloth made of synthetic polyester staple fiber. The material is fluidized by blowing out high-pressure gas, and vibration can also be generated at the same time; during the discharge process of the conical discharge port 14, the air flow nozzle 1421 sprays high-pressure air, and the middle part of the screw conveyor 211 is supported by the support beam 213, and a shock absorber is installed on the top of the support beam 213; the dust generated during the transportation process is collected and processed by the wet dust collector 23.

[0030] Slurry preparation process: according to the concentration and dosage requirements of the prepared slurry, the powder material flow rate and the material-liquid ratio are set, and the automatic control system controls the opening of the electric gate valve 1422 and the pneumatic valve 331 to allow the material and water to enter the high-efficiency slurry preparation tank 31, and under the joint action of the agitator 32, the triangular baffle 312, and the anti-vortex baffle 313, the material is evenly and efficiently mixed to form slurry, and then transported to the required process through the discharge pipe 34 for use.

[0031] The application of the utility model shortens the calcium carbonate slurry preparation time by half, and the prepared emulsion concentration is uniform and stable. The dust generated during the storage and transportation of calcium carbonate powder is absorbed and processed, and the slurry can be prepared continuously and stably through automatic control, thus achieving the purpose of efficient, accurate, continuous, environmentally friendly and automated processing of calcium carbonate powder.

[0032] Finally, it should be noted that the electronic components of the scraper conveyor 22, wet dust collector 23, etc. in this embodiment are all universal standard parts or parts known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods. In the idle part of this device, all the above-mentioned electrical components are connected by wires respectively, and the specific connection means should refer to the working sequence between the electrical components in the above-mentioned working principle to complete the electrical connection, which are all well-known technologies in the art.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An integrated device for powder material storage, transportation, metering and slurry preparation, characterized in that: The invention comprises a material storage system (1), a conveying and metering system (2) and a slurry preparation system (3), wherein the material storage system (1) comprises a feed pipe (11), a material storage bin (12), a dust collector on the bin top (13), a conical discharge port (14) and a Roots blower (15); the conveying and metering system (2) comprises a metering screw conveyor (21), a scraper conveyor (22) and a wet dust collector (23); the slurry preparation system (3) comprises a high-efficiency slurry preparation tank (31), an agitator (32), a water inlet pipe (33) and a material discharge pipe (34); the feed pipe (11) is connected to the ... 2) top, the silo top dust collector (13) is installed on the top of the storage silo (12), the bottom of the storage silo (12) is connected to one end of the metering screw conveyor (21), the bottom of the other end of the metering screw conveyor (21) is connected to the feed port (311) of the high-efficiency slurry distribution tank (31) through the scraper conveyor (22), the wet dust collector (23) is connected to the scraper conveyor (22) at the front end of the feed port (311), the water inlet pipe (33) is connected to the top of the high-efficiency slurry distribution tank (31), and the discharge pipe (34) is connected to one side of the bottom of the high-efficiency slurry distribution tank (31).

2. The integrated device for powder material storage, transportation, metering and slurry preparation according to claim 1 is characterized in that: The storage bin (12) is made of stainless steel, the outer wall is coated with an anti-corrosion coating, the inner wall is coated with an anti-corrosion coating and an anti-sticking coating, two vibrators (121) are symmetrically installed in the middle of the outer wall, one or more conical discharge ports (14) are arranged at the bottom of the storage bin (12), and a plurality of air filling boxes (122) are arranged on the inclined surface around the conical discharge port (14).

3. The integrated device for powder material storage, transportation, metering and slurry preparation according to claim 2 is characterized in that: The conical discharge port (14) comprises, from top to bottom, a conical section (141), a straight section (142) and a bellows section (143); an electric gate valve (1422) is arranged on the straight section (142); and an air flow nozzle (1421) is arranged above the electric gate valve (1422).

4. The integrated device for powder material storage, transportation, metering and slurry preparation according to claim 3 is characterized in that: The output end of the Roots blower (15) is connected to the air charging box (122) and the air flow nozzle (1421) through pipelines.

5. The integrated device for powder material storage, transportation, metering and slurry preparation according to claim 1 is characterized in that: The metering screw conveyor (21) is composed of a screw conveyor (211) and a fixed pull rope (212). One end of the screw conveyor (211) is connected to the conical discharge port (14), and the other end is connected and suspended by the fixed pull rope (212). The middle part is supported and fixed by a support beam (213).

6. The integrated device for powder material storage, transportation, metering and slurry preparation according to claim 1 is characterized in that: The shell of the high-efficiency slurry distribution tank (31) is made of stainless steel, lined with an anti-corrosion material layer, a triangular baffle (312) is arranged on the inner wall, and an anti-eddy current baffle (313) is arranged on the bottom.

7. The integrated device for powder material storage, transportation, metering and slurry preparation according to claim 3 is characterized in that: A pneumatic valve (331) is provided on the water inlet pipe (33).

8. The integrated device for powder material storage, transportation, metering and slurry preparation according to claim 7 is characterized in that: The electric gate valve (1422) and the pneumatic valve (331) are both automatically controlled.

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