Size mixing device

Abstract

The utility model relates to a size mixing device which comprises a reaction kettle, a cooling mechanism and a stirring mechanism used for stirring size, the cooling mechanism comprises a first material guide pipe, a second material guide pipe, a first coil pipe and a water tank filled with water, the first material guide pipe is connected with a pump body, one end of the first coil pipe is communicated with the first material guide pipe, and the other end of the first coil pipe is communicated with the second material guide pipe. The other end of the first coil pipe is communicated with the second guide pipe, cooling is carried out through the cooling mechanism, specifically, slurry sequentially flows through the first guide pipe, the first coil pipe and the second guide pipe from the interior of the reaction kettle through the pump body and then flows back into the reaction kettle from the second guide pipe, the first coil pipe is arranged in the water tank, and when the slurry flows through the first coil pipe, the second coil pipe is arranged in the water tank; the slurry is rapidly cooled through water in the water tank, heat dissipation of the slurry is facilitated in the process that the slurry flows through the first material guide pipe and the second material guide pipe, and therefore the slurry cooling device has a good cooling effect, and reaction of the slurry is promoted.

Description

Technical Field

[0001] The utility model relates to the technical field of slurry mixing equipment, in particular to a slurry mixing device. Background Art

[0002] The slurry mixing device is a common mechanical equipment, which is widely used in the chemical, food, pharmaceutical and other industries. It is mainly used for mixing, stirring, dispersing and other working processes of solid particles and liquids. For example, the preparation of calcium carbonate, the common preparation method of calcium carbonate is: mixing quicklime and water in a certain proportion, stirring well to obtain lime slurry, and then introducing kiln gas for carbonization reaction to generate calcium carbonate slurry.

[0003] Since the reaction of quicklime and water releases a large amount of heat, the existing slurry mixing device cannot quickly cool down, which is not conducive to the reaction of the slurry. Utility Model Content

[0004] The purpose of the utility model is to design a slurry mixing device to solve the technical problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a slurry mixing device, comprising a reactor and a stirring mechanism for stirring the slurry, and also comprising a cooling mechanism, wherein the cooling mechanism comprises a first material guide pipe, a second material guide pipe, a first coil and a water tank, wherein the first material guide pipe is connected to a pump body, the first material guide pipe is connected to the bottom of the reactor, the second material guide pipe is connected to the top of the reactor, the first coil is arranged in the water tank, one end of the first coil is connected to the first material guide pipe, and the other end of the first coil is connected to the second material guide pipe.

[0006] Furthermore, the cooling mechanism also includes a second coil for water circulation, and the second coil is arranged in the reactor.

[0007] Furthermore, the stirring mechanism includes a motor, a stirring shaft and a plurality of stirring blades, the stirring shaft is connected to the output shaft of the motor, a plurality of stirring blades are arrayed on the stirring shaft, and the stirring blades and the stirring shaft are arranged on the inner ring of the second coil.

[0008] Furthermore, the first material guiding pipe is connected to a material discharging pipe, the first material guiding pipe is provided with a first valve, and the material discharging pipe is provided with a second valve.

[0009] Furthermore, the bottom of the reactor is connected with an air guide pipe.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the utility model cools through a cooling mechanism. Specifically, the slurry is allowed to flow from the reactor through the first material guide pipe, the first coil and the second material guide pipe in sequence through a pump body, and then flows back into the reactor from the second guide pipe. The first coil is arranged in a water tank. When the slurry flows through the first coil, the water in the water tank quickly cools the slurry. The process of the slurry flowing through the first material guide pipe and the second material guide pipe is also beneficial to the heat dissipation of the slurry. Therefore, the utility model has a good cooling effect and promotes the reaction of the slurry. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 It is a cross-sectional view of the utility model;

[0013] The names of the components marked in the figure are as follows: 1. Reactor; 2. Stirring mechanism; 201. Motor; 202. Stirring shaft; 203. Stirring blade; 3. Cooling mechanism; 301. First material guide pipe; 302. Second material guide pipe; 303. First coil; 304. Water tank; 305. Second coil; 4. Pump body; 5. Discharge pipe; 6. First valve; 7. Second valve. DETAILED DESCRIPTION

[0014] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0015] Example: Please refer to Figure 1-2A slurry mixing device comprises a reactor 1 and a stirring mechanism 2 for stirring slurry, a feed port is provided on the top of the reactor 1, quicklime and water are added from the feed port; a cooling mechanism 3 is also provided, the cooling mechanism 3 comprises a first material guide pipe 301, a second material guide pipe 302, a first coil 303 and a water tank 304, the water tank 304 is filled with cold water, and the cold water completely immerses the first coil 303, the first material guide pipe 301 is connected to a pump body 4, the first material guide pipe 301 is communicated with the bottom of the reactor 1, the second material guide pipe 302 is communicated with the top of the reactor 1, the first coil 303 is arranged in the water tank 304, and a support frame is provided in the water tank 304 for supporting the first coil 303, one end of the first coil 303 is communicated with the first material guide pipe 301, and the first coil 303 is connected to the first material guide pipe 301. The other end of the first coil 303 is connected to the second guide pipe 302, and the slurry is pumped from the reactor 1 into the first guide pipe 301 through the pump body 4, and the slurry flows through the first guide pipe 301, the first coil 303 and the second guide pipe 302 in sequence, and then flows back to the reactor 1 through the second guide pipe 302. When the slurry flows through the first coil 303, the water in the water tank 304 quickly cools the slurry. Since a section of the first guide pipe 301 and the second guide pipe 302 are exposed to the outside, the process of the slurry flowing through the first guide pipe 301 and the second guide pipe 302 is also conducive to the heat dissipation of the slurry. The cooling mechanism 3 also includes a second coil 305 for water circulation, which is arranged in the reactor 1 and connected to the reactor 1 through a connecting plate. The inner wall of the reactor 1 is fixedly connected, and the second coil 305 runs through the top and bottom of the reactor 1 in sequence. The second coil 305 is connected to a water pump, which is connected to an external water pool, and water circulates in the second coil 305 through the water pump; the stirring mechanism 2 includes a motor 201, a stirring shaft 202 and a plurality of stirring blades 203, the motor 201 is fixedly installed on the top of the reactor 1, the stirring shaft 202 is connected to the output shaft of the motor 201, and a plurality of stirring blades 203 are arrayed on the stirring shaft 202, and the stirring shaft 202 is driven to rotate by the motor 201, and the stirring blades 203 rotate with the stirring shaft 202, thereby realizing the stirring of the slurry, so that the slurry reaction is more sufficient; the second coil 305 is set as a spiral coil, and the stirring blades 203 and the stirring The shaft 202 is arranged on the inner ring of the second coil 305, and there is a certain gap between the stirring blade 203 and the second coil 305, so the second coil 305 will not affect the normal operation of the stirring blade 203; the bottom of the reactor 1 is connected with an air guide pipe, wherein the kiln gas is introduced into the air guide pipe through an air pump, and then the kiln gas is introduced into the reactor 1 from the bottom of the reactor 1 through the air guide pipe, so that the kiln gas and the slurry are fully in contact, which is conducive to the slurry to fully react to generate calcium carbonate slurry; the first guide pipe 301 is connected with a discharge pipe 5, the first guide pipe 301 is provided with a first valve 6, and the discharge pipe 5 is provided with a second valve 7, the first valve 6 is closed, and the second valve 7 is opened, so that the calcium carbonate slurry is discharged from the discharge pipe 5, so that the calcium carbonate slurry is further processed.

[0016] The working principle of this embodiment is as follows: when in use, close the first valve 6 and the second valve 7, add a certain amount of slurry such as quicklime and water into the reactor 1, start the motor 201, and drive the stirring shaft 202 and the stirring blade 203 to rotate through the motor 201, so as to stir the slurry. After a period of reaction, start the pump body 4, open the first valve 6, and make the slurry flow from the reactor 1 through the first guide pipe 301, the first coil 303 and the second guide pipe 302 in sequence through the pump body 4, and then flow back to the reactor 1 from the second guide pipe. The slurry flows through the first coil At 303, the slurry is quickly cooled by the water in the water tank 304, and the process of the slurry flowing through the first material guide pipe 301 and the second material guide pipe 302 is also beneficial to the heat dissipation of the slurry, which is beneficial to the reaction of the slurry and makes the slurry react more fully; after a period of reaction, kiln gas is introduced through the air guide pipe, so that the slurry and the kiln gas further react to generate calcium carbonate slurry. After the sufficient reaction is completed, the first valve 6 is closed and the second valve 7 is opened, so that the calcium carbonate slurry is discharged from the discharge pipe 5, thereby conveying the calcium carbonate slurry to the next processing step.

[0017] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A slurry mixing device, comprising a reaction kettle (1) and a stirring mechanism (2) for stirring the slurry, characterized in that: The invention also comprises a cooling mechanism (3), wherein the cooling mechanism (3) comprises a first material guide pipe (301), a second material guide pipe (302), a first coil (303) and a water tank (304); the first material guide pipe (301) is connected to a pump body (4); the first material guide pipe (301) is connected to the bottom of the reaction kettle (1); the second material guide pipe (302) is connected to the top of the reaction kettle (1); the first coil (303) is arranged in the water tank (304); one end of the first coil (303) is connected to the first material guide pipe (301); and the other end of the first coil (303) is connected to the second material guide pipe (302).

2. The slurry mixing device according to claim 1, characterized in that: The cooling mechanism (3) further comprises a second coil (305) for water circulation, wherein the second coil (305) is arranged in the reactor (1).

3. The slurry mixing device according to claim 2, characterized in that: The stirring mechanism (2) comprises a motor (201), a stirring shaft (202) and a plurality of stirring blades (203); the stirring shaft (202) is connected to the output shaft of the motor (201); a plurality of stirring blades (203) are arranged in an array on the stirring shaft (202); and the stirring blades (203) and the stirring shaft (202) are arranged on the inner ring of the second coil (305).

4. The slurry mixing device according to claim 1, characterized in that: The first material guiding pipe (301) is connected to a material discharging pipe (5), a first valve (6) is provided on the first material guiding pipe (301), and a second valve (7) is provided on the material discharging pipe (5).

5. The slurry mixing device according to claim 1, characterized in that: The bottom of the reaction kettle (1) is connected with an air guide pipe.

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