CN219502732U

CN219502732U - Dustless premixing device for industrial production of magnesium fluosilicate

Info

Publication number: CN219502732U
Application number: CN202320369400.4U
Authority: CN
Inventors: 王浩宇; 吴现叶; 张家凯; 赵江; 王庄
Original assignee: Kunming Heqi Industry & Trade Co ltd
Current assignee: Kunming Heqi Industry & Trade Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-08-11
Anticipated expiration: 2033-03-02

Abstract

The utility model discloses a dust-free premixing device for industrial production of magnesium fluosilicate, which comprises: the device comprises a stirring assembly, a return pipe, a stirring reaction tank, a dust fall interface, a feeding interface and a dust fall spraying assembly; the stirring component is arranged on the stirring reaction tank and stretches into the stirring reaction tank to be stirred; the dust falling interface and the feeding interface are symmetrically arranged on the top surface of the stirring reaction tank. The volume of the magnesia powder in the tank body is effectively increased, magnesia particles are reduced to continuously rise in the tank body and adhere to the inner wall, caking on the inner wall of the tank body is reduced, and cleaning is convenient.

Description

Dustless premixing device for industrial production of magnesium fluosilicate

Technical Field

The utility model relates to the technical field of fluorosilicate production, in particular to a dust-free premixing device for industrial production of magnesium fluorosilicate.

Background

Fluosilicic acid (H) ₂ SiF ₆ ) The salts of (C) are widely used, and are obtained through purification operation after fluosilicic acid solution reacts with corresponding metal salts and oxides thereof. In order to reduce the cost, the fluorine-containing waste liquid produced by the phosphate fertilizer and the phosphate compound fertilizer can be recovered, and after the fluosilicic acid is prepared by purifying and impurity removing processing, the fluosilicate is produced and used as a raw material.

When magnesium fluosilicate salt is produced, magnesium oxide needs to be purchased additionally as a raw material for use. In order to ensure that the raw materials are fully reacted in the reaction, the purchased magnesium oxide is a fine powder, and when fluosilicic acid is added, the magnesium oxide can be completely dissolved into the fluosilicic acid after being stirred for a period of time due to the overlarge surface area of particles. In the blanking process, powder of the powder magnesia staying on the liquid level rotates along with a stirring paddle, dust emission is enhanced, production environment air is not polluted, raw materials are lost, and overflowed powder is difficult to recover. Some powder which does not overflow through the feed inlet is adhered to the inner wall of the tank body, and after long-term adhesion, the powder is difficult to clean and causes raw material loss, so that the magnesia powder cannot fully participate in the reaction.

Disclosure of Invention

The utility model provides a dust-free premixing device for industrial production of magnesium fluosilicate, which is used for solving the technical problems that magnesium oxide powder is difficult to dissolve rapidly when fluosilicic acid is added into magnesium oxide powder, and the magnesium oxide powder flying in a tank body during stirring is easy to adhere to the inner wall of the tank body, so that caking is caused, cleaning is difficult, and raw materials are wasted in the prior art.

The utility model provides a dust-free premixing device for industrial production of magnesium fluosilicate, which comprises: the device comprises a stirring assembly, a return pipe, a stirring reaction tank, a dust fall interface, a feeding interface and a dust fall spraying assembly; the stirring component is arranged on the stirring reaction tank and stretches into the stirring reaction tank to be stirred; the dust falling interface and the feeding interface are symmetrically arranged on the top surface of the stirring reaction tank;

one end of the return pipe is communicated with the lower part of the stirring reaction tank, and the other end of the return pipe is communicated with the dust fall spraying assembly;

a dust falling spray head is arranged at the extending end of the dust falling spray assembly; the dust falling spray heads are respectively stretched into the stirring reaction tank through the dust falling interface and the feeding interface.

Preferably, the dust fall spray assembly comprises: a hose and a cover; one end of the hose is communicated with the return pipe, and the other end of the hose is provided with a dust settling nozzle; the cover body is sleeved on the hose and is arranged along the hose in a sliding way; when in dust fall operation, the cover body is covered on the dust fall interface or/and the feeding interface.

Preferably, it comprises: a valve; the valve is arranged on the return pipe.

Preferably, the inner side wall of the bottom surface of the cover body is provided with a thread structure and is in threaded connection with the dust falling interface or/and the feeding interface through the thread structure.

Preferably, the center area of the cover body is provided with a jack; the hose is arranged in the jack in a penetrating way.

Preferably, the stirring assembly comprises: the device comprises a rotating shaft, a motor, a primary stirring paddle and a secondary stirring paddle; the motor is arranged outside the stirring reaction tank and is in driving connection with the rotating shaft; the rotating shaft stretches into the stirring reaction tank to be arranged; the first-stage stirring paddles and the second-stage stirring paddles are arranged on the rotating shaft at intervals.

The utility model has the beneficial effects that:

1) According to the dust-free premixing device for industrial production of magnesium fluosilicate, the liquid outlet pipe is arranged at the lower part of the stirring reaction tank, the liquid outlet pipe is communicated with the dust-falling spray head, the cover body is sleeved on the dust-falling spray head, when magnesium oxide is fed, the dust-falling spray head is inserted into the tank body through the spray opening arranged at the other side of the stirring reaction tank, the cover body is covered, the surface wetting of magnesium oxide dust particles in the feeding process is realized, the weight of the magnesium oxide dust particles is increased, and the dust particles are prevented from overflowing outside the tank body through the cover body. Thereby effectively realizing the volume increase of the magnesia powder in the tank body, reducing the continuous rising of magnesia particles in the tank body and adhering to the inner wall, being beneficial to reducing the caking on the inner wall of the tank body and facilitating the cleaning.

2) The dust-free premixing device for industrially producing magnesium fluosilicate provided by the utility model has the advantages that the dust-free premixing device is used for spraying and stirring fluosilicic acid solution at the lower layer in the reaction tank in the dust-falling spray head, so that other impurities are prevented from being introduced, and the difficulty of subsequent impurity removal operation is effectively reduced.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of a dust-free premixing device for industrial production of magnesium fluosilicate;

fig. 2 is a schematic perspective view of a cover body according to the present utility model;

legend description:

1. a motor 1; 2. a mounting base; 3. stirring the reaction tank; 4. a feed port; 13. a dust falling interface; 5. a rotating shaft; 8. a primary stirring paddle; 9. a secondary stirring paddle; 6. A return pipe; 7. a valve; 10. a hose; 11. dust falling spray heads; 12. a cover body; 121. and a jack.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

The technical means which are not described in detail and are not used for solving the technical problems of the utility model are all arranged according to common general knowledge in the field, and various common general knowledge arrangement modes can be realized.

Referring to fig. 1-2, the dust-free premixing device for industrial production of magnesium fluosilicate provided by the utility model comprises: the device comprises a motor 1, a mounting seat 2, a stirring reaction tank 3, a feeding interface 4, a dust falling interface 13, a rotating shaft 5, a primary stirring paddle 8, a secondary stirring paddle 9, a return pipe 6, a valve 7, a hose 7, a dust falling spray head 11, a cover body 12 and an inserting hole 121.

The top surface of the stirring reaction tank 3 is provided with a mounting seat 2; the motor 1 is arranged on the mounting seat 2; the motor 1 is in driving connection with the rotating shaft 5 through a coupler; the lower part of the rotating shaft 5 is provided with a first-stage stirring paddle and a second-stage stirring paddle 9 at intervals to realize the full mixing and stirring of materials in the stirring reaction tank 3, and after the magnesium oxide powder heats the fluosilicic acid solution, the magnesium oxide powder is easy to form accumulation in the central area of the liquid level due to larger blanking amount, and the magnesium oxide powder in the peripheral areas on two sides can be contacted and dissolved with the fluosilicic acid solution faster due to thinner material. The dust fall spraying components are inserted into the stirring reaction tank 3 to be obliquely arranged in the stirring reaction tank 3 through the feeding interfaces 4 and the dust fall interfaces 13 which are symmetrically arranged at two sides of the stirring reaction tank 3, so that fluosilicic acid spraying is carried out on the magnesium oxide powder stack in the central area, the dust amount in the stirring reaction tank 3 is reduced, meanwhile, the reaction and dissolution of the magnesium oxide powder and fluosilicic acid of the stack can be promoted, and the dissolution promotion effect is realized.

The device can be used for premixing fluosilicic acid solution and magnesium oxide powder and also can be used for the reaction of the fluosilicic acid solution and the magnesium oxide powder, and when the device is used for premixing, a mixed reaction liquid barrel slurry pump can be pumped into a lower-stage reaction tank for reaction.

The dust fall spraying component is communicated with the return pipe 6 communicated with the liquid outlet at the lower part of the stirring reaction tank 3, fluosilicic acid solution pre-stored in the stirring reaction tank 3 is fully utilized, the stacked magnesium oxide and the raised dust are dissolved, the addition of other substances is reduced, and the subsequent purification operation is facilitated. The dust fall spray assembly mainly comprises a hose 7, a cover body 12 and a dust fall spray header, and also comprises necessary connection installation parts, which are not described herein.

The dust fall nozzle 11 is in pipeline communication with the return pipe 6 through the hose 7, and the cover body 12 is sleeved between the hose 7 and the dust fall nozzle 11 and can move along the hose 7 according to installation requirements. The pipe is a threaded pipe with a shaping function after a certain angle is adjusted, the pipe body can be moderately bent according to the requirement, the spraying angle of the spray head in the tank body can be fixed, and the threaded pipe is a commercially available hose 7.

The cover body 12 is a threaded cover, and is connected with the feed port 4 and the dust falling port 13 through threads, so that the cover is convenient to detach, and the amount of dust overflowing from the feed port 4 and the dust falling port 13 can be reduced.

In order to facilitate the control of the opening and closing of the return pipe 6 and the material transport, the return pipe 6 is provided with a valve 7 and/or a mud pump.

In one embodiment, the cover 12 is provided with a receptacle 121 to facilitate insertion of the hose 7.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A dust-free premixing device for industrial production of magnesium fluosilicate, which is characterized by comprising: the device comprises a stirring assembly, a return pipe, a stirring reaction tank, a dust fall interface, a feeding interface and a dust fall spraying assembly; the stirring component is arranged on the stirring reaction tank and stretches into the stirring reaction tank to be stirred; the dust falling interface and the feeding interface are symmetrically arranged on the top surface of the stirring reaction tank;

2. The dust-free premixing device for industrial production of magnesium fluosilicate according to claim 1, wherein the dust-falling spray assembly comprises: a hose and a cover; one end of the hose is communicated with the return pipe, and the other end of the hose is provided with a dust settling nozzle; the cover body is sleeved on the hose and is arranged along the hose in a sliding way; when in dust fall operation, the cover body is covered on the dust fall interface or/and the feeding interface.

3. The dust-free premixing device for industrial production of magnesium fluosilicate according to claim 1, comprising: a valve; the valve is arranged on the return pipe.

4. The dust-free premixing device for industrial production of magnesium fluosilicate according to claim 2, wherein the inner side wall of the bottom surface of the cover body is provided with a thread structure and is in threaded connection with the dust falling interface or/and the feeding interface through the thread structure.

5. The dust-free premixing device for industrial production of magnesium fluosilicate according to claim 2, wherein the central area of the cover body is provided with a jack; the hose is arranged in the jack in a penetrating way.

6. The dust-free premixing device for industrial production of magnesium fluosilicate according to claim 1, wherein the stirring assembly comprises: the device comprises a rotating shaft, a motor, a primary stirring paddle and a secondary stirring paddle; the motor is arranged outside the stirring reaction tank and is in driving connection with the rotating shaft; the rotating shaft stretches into the stirring reaction tank to be arranged; the first-stage stirring paddles and the second-stage stirring paddles are arranged on the rotating shaft at intervals.