Continuous production device for improving mixing efficiency of anti-caking powder

Abstract

The utility model provides a continuous production device for improving the mixing efficiency of anti-caking powder. The continuous production device comprises a conveyor and a high-speed mixer, the conveyor is composed of a conveyor motor, a transmission device, a feeding hopper, a conveyor cylinder, a temperature control electric heating plate, a conveying screw, a conveying shaft and a discharging port. The high-speed mixer is composed of a feeding port, an atomizing nozzle, a paddle, a mixing shaft, a discharging port, a high-speed mixer cylinder, a high-speed mixer motor and a transmission device; and the discharging opening is fixedly connected with the feeding opening. The device disclosed by the utility model can solve the problems of low sieving rate and low mixing efficiency caused by non-uniform dry and wet degrees and agglomeration of anti-caking powder in continuous production.

Description

Technical Field

[0001] The utility model relates to the field of anti-caking powder production, and particularly relates to a continuous production device for improving the mixing efficiency of anti-caking powder. Background Art

[0002] In the conventional production process of anti-caking powder, carrier powder (calcium carbonate, diatomite, talcum powder, etc.), other oil agents and liquid additives are often added to the mixing equipment and then the mixing equipment is started for mixing, which belongs to intermittent production, but there is often a situation of uneven mixing. Because during the mixing process, the added oil agent or liquid additive often has a high freezing point and will solidify at normal temperature, so the liquid temperature is usually increased for mixing. When the high-temperature liquid is mixed with the low-temperature powder, condensation and agglomeration are likely to occur, so it is impossible to disperse the oil agent or other additives into the powder well, resulting in uneven dryness and wetness of the produced powder, agglomeration, low sieving rate and low mixing efficiency. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a continuous production device for improving the mixing efficiency of anti-caking powder, which can solve the problems of low sieving rate and low mixing efficiency caused by uneven dryness and wetness of the powder and agglomeration in the production of anti-caking powder.

[0004] To solve the above technical problem, a continuous production device for improving the mixing efficiency of anti-caking powder provided by the utility model includes: a conveyor and a high-speed mixer; the conveyor sequentially includes: a conveyor motor and a transmission device, a transmission shaft electrically connected to the conveyor motor and the transmission device, a conveying screw arranged on the transmission shaft, a conveyor cylinder sleeved outside the conveying screw, a temperature control electric heating plate sleeved on the inner peripheral wall of the conveyor cylinder, a feeding funnel respectively arranged at the front end top of the conveyor cylinder and a discharging port at the rear end bottom; the high-speed mixer sequentially includes: a mixing shaft, a plurality of blades arranged on the mixing shaft, a high-speed mixer cylinder sleeved outside the blades, a plurality of atomizing nozzles arranged on the top of the high-speed mixer cylinder, a feeding port respectively arranged at the rear end top of the high-speed mixer cylinder and a discharging port at the front end bottom, and a high-speed mixer motor and a transmission device electrically connected to the mixing shaft; the discharging port is fixedly connected to the feeding port.

[0005] Specifically, the size of the conveyor cylinder is determined according to the production capacity of the high-speed mixer, the length is 1-8 meters, and the diameter is 100-800 mm.

[0006] Specifically, frequency converters are connected to both the conveyor motor and the transmission device and the high-speed mixer motor and the transmission device.

[0007] Specifically, the conveyor motor and the transmission device can control the conveying speed of the conveying shaft to be 10 - 300 revolutions per minute.

[0008] Specifically, the temperature-controlled electric heating plate is also connected with a temperature sensor and a temperature controller.

[0009] Specifically, the heating range of the temperature-controlled electric heating plate is 20 - 350 degrees.

[0010] Specifically, the atomizing nozzle introduces the oil agent and liquid additives required in the production of the anti-caking powder into the high-speed mixer.

[0011] Specifically, the material of the atomizing nozzle is stainless steel or ceramic.

[0012] Specifically, the high-speed mixer motor and the transmission device can control the rotation speed of the mixing shaft to be 10 - 300 revolutions per minute.

[0013] Specifically, the material discharging port and the feeding port are hermetically nested and connected.

[0014] Specifically, an anti-bridging device or a pneumatic vibrator can be installed at the nested connection to prevent the anti-caking powder from blocking the nested connection.

[0015] The device of the present utility model heats up the carrier powder and then uniformly and quantitatively adds it into the high-speed mixer, thereby solving the problems of unstable feeding of the high-speed mixer resulting in unstable ratio, and the powder quickly condensing after the high-temperature liquid enters the high-speed mixer due to too low powder temperature, thus causing uneven mixing. By installing a temperature-controlled heating plate on the conveyor, controlling the temperature of the heating plate, heating the powder to the required temperature, and then adjusting the rotation speed of the conveyor, the powder is continuously and quantitatively fed into the high-speed mixer. After being mixed by the high-speed mixer, an optimized powder is continuously obtained. The deviation rate of the liquid content of the powder product produced by the high-speed mixer is reduced from the original plus or minus 17% to within plus or minus 1%, and the passing rate through an 80-mesh sieve is increased from the original 84% to more than 97% after transformation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the present utility model, the following briefly introduces the drawings required for the present utility model. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0017] Figure 1 It is a schematic structural diagram of the present utility model.

[0018] SYMBOL DESCRIPTION

[0019] 1 Conveyor motor and drive device

[0020] 2 Feed hopper

[0021] 3 Conveyor cylinder

[0022] 4 Temperature control electric heating plate

[0023] 5 Conveyor screw

[0024] 6 Transmission shaft

[0025] 7 Discharge opening

[0026] 8 Loading opening

[0027] 9 Atomizing nozzle

[0028] 10 Paddle

[0029] 11 Mixing shaft

[0030] 12 Outlet

[0031] 13 High-speed mixer cylinder

[0032] 14 High-speed mixer motor and drive device Detailed implementation manners

[0033] Next, the technical solutions in the present utility model will be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0034] Embodiment 1

[0035] Reference Figure 1, which shows a continuous production device for improving the mixing efficiency of anti-caking powder provided by the present utility model, including: a conveyor and a high-speed mixer; the conveyor successively includes: a conveyor motor and a transmission device 1, a transmission shaft 6 electrically connected to the conveyor motor and the transmission device 1, a conveying screw 5 arranged on the transmission shaft 6, a conveyor cylinder 3 sleeved outside the conveying screw 5, a temperature control electric heating plate 4 sleeved on the inner peripheral wall of the conveyor cylinder 3, a feeding funnel 2 respectively arranged at the front end top of the conveyor cylinder 3 and a discharging port 7 at the rear end bottom; the high-speed mixer successively includes: a mixing shaft 11, a plurality of blades 10 arranged on the mixing shaft 11, a high-speed mixer cylinder 13 sleeved outside the blades 10, a plurality of atomizing nozzles 9 arranged on the top of the high-speed mixer cylinder 13, a feeding port 8 respectively arranged at the rear end top of the high-speed mixer cylinder 13 and a discharging port 12 at the front end bottom, and a high-speed mixer motor and a transmission device 14 electrically connected to the mixing shaft 11; the discharging port 7 is fixedly connected to the feeding port 8.

[0036] The size of the conveyor cylinder 3 is determined according to the production capacity of the high-speed mixer, with a length of 1 - 48 meters and a diameter of 100 - 800 mm. Both the conveyor motor and the transmission device 1 and the high-speed mixer motor and the transmission device 14 are connected with frequency converters. The conveyor motor and the transmission device 1 can control the conveying speed of the transmission shaft 6 at 10 - 300 revolutions per minute. The temperature control electric heating plate 4 is also connected with a temperature sensor and a temperature controller. The heating range of the temperature control electric heating plate 4 is 20 - 350 degrees.

[0037] The atomizing nozzles 9 are connected through a conveying pipeline with the oil agent, liquid additives, etc. required in the production process to introduce them into the high-speed mixer (the connection can be realized through the prior art, so it is not shown). The material of the atomizing nozzles 9 is stainless steel or ceramic. The high-speed mixer motor and the transmission device 14 can control the rotation speed of the mixing shaft at 10 - 300 revolutions per minute. The discharging port 7 and the feeding port 8 are in a sealed nested connection. An anti-bridging device or a pneumatic vibrator can be installed at the nested connection to prevent the anti-caking powder from blocking the nested connection (not shown).

[0038] Embodiment Two

[0039] The working principle of the device of the present utility model:

[0040] 1. Feed the carrier powder into the conveyor from the feed hopper 2. Control the temperature of the carrier powder inside the conveyor by setting the temperature controller of the temperature control electric heating plate 4 on the inner peripheral wall of the conveyor cylinder 3. Generally, control the temperature of the carrier powder to be set at 30 - 100 degrees. (The temperature of the carrier powder is different from the actual temperature of the temperature control electric heating plate 4. The temperature of the temperature control electric heating plate 4 itself will be very high (above 300 degrees), which can accelerate the heating efficiency. When the temperature of the carrier powder inside the conveyor reaches the set temperature, such as 60 degrees, the temperature sensor in the temperature control electric heating plate 4 will transmit a signal to the temperature controller to turn off the temperature control electric heating plate 4.)

[0041] 2. The conveyor motor and the transmission device 1 control the rotation of the transmission shaft 6, and the conveying screw 5 continuously conveys the heated carrier powder quantitatively backward to the discharge port 7. Generally, control the powder temperature at the discharge port 7 to be 30 - 70 degrees, and the powder then enters the high-speed mixer from the feeding port 8.

[0042] 3. The atomizing nozzle 9 introduces the oil agent and liquid additives required in the production of the anti-caking powder into the high-speed mixer. The oil agent and liquid additives are heated to the required temperature by the reaction kettle, generally 90 - 120 degrees.

[0043] 4. The high-temperature oil agent and liquid additives are mixed with the medium-temperature carrier powder and then mixed and dispersed by the mixing shaft 11 driving the paddle 10, and then discharged through the discharge port 12 and then enter the packaging and inspection process. It should be noted that the paddle 10 of the high-speed mixer has both the functions of stirring and pushing materials. During the rotation of the paddle 10 with the mixing shaft 11, the materials are stirred and mixed; in the present utility model, the paddle 10 realizes the material pushing by setting the torsion angle of the paddle. By setting different torsion angles, the transmission speed of the materials can also be adjusted; without wishing to be bound by this, the paddle can also be set to have the same shape as the conveying screw 5 of the conveyor motor and the transmission device 1 (for facilitating the pushing of materials). At this time, a number of rod-shaped bodies perpendicular to the surface of the paddle need to be connected (such as welded) to the surface of the paddle to enhance its stirring function.

[0044] Example Three

[0045] Inspect with the screening rate and liquid content deviation rate of different production methods:

[0046] (1) Take 3 - 10 samples of the powder at the discharge port produced in Example Two. The amount of the oil agent and liquid additives added in Example Two accounts for 20% of the total amount of the finished product.

[0047] (2) Take 3 - 10 samples of the powder produced intermittently by the conventional method. The powder also adds the same proportion of oil agent and liquid as in Example Two.

[0048] (3) Detection items:

[0049] A Liquid Content Deviation Rate: The oil agent and liquid content are tested by measuring the solid content of the finished product;

[0050] B Sieving Rate: The passing rate of sieving is obtained by passing the finished product through an 80-mesh sieve.

[0051] The inspection data of the finished products produced by the two methods are shown in Table 1 below:

[0052] Table 1: Comparison of Inspection Data of Finished Products Produced by Two Methods

[0053]

[0054] As can be seen from Table 1 above, for a continuous production device for improving the mixing efficiency of anti-caking powder provided by the present utility model, after adding a heating section to the conveyor, the mixing uniformity is greatly improved, and the passing rate through an 80-mesh sieve increases from 84% originally to over 97% after the transformation; after using the present utility model, the liquid content deviation rate of the powder product of the high-speed mixer is reduced from the original plus or minus 17% to within plus or minus 1%.

[0055] The above are only the preferred embodiments of the present utility model and are not intended to limit the protection scope of the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A continuous production device for improving the mixing efficiency of anti-caking powder, characterized in that, Comprising: A conveyor and a high-speed mixer; The conveyor sequentially includes: a conveyor motor and a transmission device, a transmission shaft electrically and mechanically connected to the conveyor motor and the transmission device, a conveying screw welded on the transmission shaft, a conveyor cylinder sleeved outside the conveying screw, a temperature control electric heating plate sleeved on the inner peripheral wall of the conveyor cylinder, a feeding hopper respectively arranged at the front end top of the conveyor cylinder and a discharging opening at the rear end bottom; The high-speed mixer sequentially includes: a mixing shaft, a plurality of blades arranged on the mixing shaft, a high-speed mixer cylinder sleeved outside the blades, a plurality of atomizing nozzles arranged on the top of the high-speed mixer cylinder, a feeding opening respectively arranged at the rear end top of the high-speed mixer cylinder and a discharging opening at the front end bottom, and a high-speed mixer motor and a transmission device electrically and mechanically connected to the mixing shaft; The discharging opening is fixedly connected to the feeding opening in a sealed manner.

2. The continuous production device according to claim 1, wherein The size of the conveyor cylinder is determined according to the production capacity of the high-speed mixer, with a length of 1 - 8 meters and a diameter of 100 - 800 mm.

3. The continuous production device according to claim 1, characterized in that, The conveyor motor and the transmission device and the high-speed mixer motor and the transmission device are both connected with frequency converters.

4. The continuous production device according to claim 1, characterized in that, The conveyor motor and the transmission device can control the conveying speed of the transmission shaft at 10 - 300 revolutions per minute.

5. The continuous production device according to claim 1, wherein The temperature control electric heating plate is also connected with a temperature sensor and a temperature controller.

6. The continuous production device according to claim 1, wherein The heating range of the temperature control electric heating plate is 20 - 350 degrees.

7. The continuous production device according to claim 1, characterized in that, The atomizing nozzles introduce the oil agent and liquid additives required in the production of the anti-caking powder into the high-speed mixer.

8. The continuous production device according to claim 1, characterized in that, The high-speed mixer motor and the transmission device can control the rotation speed of the mixing shaft at 10 - 300 revolutions per minute.

9. The continuous production device according to claim 1, characterized in that, The discharging opening and the feeding opening are nested and connected in a sealed manner.

10. The continuous production device according to claim 9, wherein, An anti-bridging device or a pneumatic vibrator can be installed at the nested connection to prevent the anti-caking powder from blocking the nested connection.

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