Hydrolysis device for titanium dioxide production

Abstract

The utility model provides a hydrolysis device for titanium dioxide production, which comprises a tank body, a sealing cover is sleeved on the top of the tank body, a stirring component is arranged in the tank body, a jacking component is arranged between the sealing cover and the tank body, and a quantifying component is arranged on the top of the sealing cover. When titanium dioxide is hydrolyzed, a stirring motor is started to drive a stirring shaft to rotate, meanwhile, the stirring shaft can drive a reinforcing block and a fixing frame to rotate, the fixing frame can drive two arc-shaped plates to rotate, and the two arc-shaped plates are crossed, so that raw materials in the tank body can be conveyed and stirred up and down in a reciprocating manner; the stirring shaft drives the sleeve and the blades to stir the upper part, the middle part and the lower part of the tank body at the same time, so that the reaction speed in the tank body is accelerated, the working efficiency of the hydrolysis process is improved, and the problems of poor stirring effect and great reduction of the working speed in the prior art are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of titanium dioxide production, in particular to a hydrolysis device for titanium dioxide production. Background Art

[0002] Titanium dioxide is an inorganic substance, amphoteric oxide in white solid or powdered form. It is non-toxic, has optimal opacity, optimal whiteness and brightness, and is considered to be the best white pigment in the world today. Hydrolysis in a hydrolysis pot is a very important process step in production. The hydrolysis process conditions and specific operations will affect the quality of the final product.

[0003] After searching, in the prior art, the Chinese patent with patent publication number CN211733867U discloses "a hydrolysis device for titanium dioxide production, including a bracket, a hydrolysis tank body is arranged on the bracket, the hydrolysis tank body is composed of an outer tank body and an inner tank body, a steam heating layer is provided between the outer tank body and the inner tank body, an outer cone is arranged at the lower end of the outer tank body, an inner cone is arranged at the lower end of the inner tank body, and a discharge pipe is arranged at the lower end of the inner cone; a cover is movably arranged on the upper end surface of the hydrolysis tank body, a stirring rod is movably arranged at the center of the cover through a first bearing, a fixing frame is movably connected to the lower end of the stirring rod through a second bearing, the fixing frame is fixedly connected to the lower end of the inner cone, and a blade is arranged on the stirring rod located at the inner tank body; a discharge pipe is arranged on the left side of the cover, and a pipeline is arranged on the right side of the cover. The utility model has the beneficial effects of being able to meet the process requirements of hydrolysis, conveniently discharging the gas generated during the hydrolysis process, and simple discharge of the hydrolysis product, and convenient use", but still has the following defects:

[0004] (1) During the hydrolysis process, the stirring operation is performed only by the stirring rod driving the blades. This method has a poor stirring effect and greatly reduces the working rate.

[0005] (2) When the inner wall and stirring parts of the hydrolysis device need to be cleaned after a period of time, it is necessary to manually open the cover and take out the stirring rod. Due to the heavy weight of the stirring rod and the cover, it is difficult to operate and inconvenient.

[0006] Therefore, we have made improvements to this and proposed a hydrolysis device for titanium dioxide production. Utility Model Content

[0007] The purpose of the utility model is to address the current problem that in the hydrolysis process, the stirring operation is only carried out by driving the blades with a stirring rod, the stirring effect of this method is poor, the working rate is greatly reduced, and when the inner wall and the stirring parts of the hydrolysis device need to be cleaned after a period of time, the sealing cover needs to be opened manually to take out the stirring rod, which is difficult to operate and inconvenient due to the heavy weight of the stirring rod and the sealing cover.

[0008] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0009] A hydrolysis device for titanium dioxide production is used to improve the above problems.

[0010] The utility model is specifically as follows:

[0011] It comprises a tank body, a cover is sleeved on the top of the tank body, a stirring component is arranged inside the tank body, a lifting component is arranged between the cover and the tank body, and a quantitative component is arranged on the top of the cover;

[0012] The stirring assembly includes a stirring motor, a stirring shaft, a reinforcement block, a fixing frame, an arc plate, a sleeve, blades, a discharge pipe and a first solenoid valve. The stirring motor is bolted to the top of the cover, the stirring shaft is fixedly connected to the output end of the stirring motor and passes through the cover, the reinforcement block is fixedly connected to the periphery of the stirring shaft, the fixing frame is arranged at the periphery of the stirring shaft and is fixedly connected to the reinforcement block, the two arc plates are respectively fixedly connected to the two side walls of the fixing frame and are cross-shaped, the three sleeves are fixedly connected to the periphery of the stirring shaft and are evenly distributed at equal distances, the two blades are fixedly connected to the side wall of the sleeve, the discharge pipe is fixedly connected to the bottom of the tank body and is communicated with the tank body, and the first solenoid valve is arranged on the side wall of the discharge pipe.

[0013] As a preferred technical solution of the utility model, the lifting assembly includes a fixed plate, a support plate, a hydraulic cylinder and an annular sealing plate, the two fixed plates are fixedly connected to the side walls of the cover and are arranged opposite to each other, the two support plates are fixedly connected to the side walls of the tank body and correspond to the positions of the two fixed plates, the hydraulic cylinder is bolted to the top of the support plate, the telescopic end of the hydraulic cylinder is fixedly connected to the bottom of the fixed plate, the annular sealing plate is fixedly connected to the periphery of the tank body and is used in conjunction with the cover, and the cross-section of the annular sealing plate is L-shaped.

[0014] As a preferred technical solution of the utility model, the quantitative component includes a transparent feed hopper, a scale line and a second solenoid valve. The transparent feed hopper passes through the cover and is fixedly connected to the cover. The scale line is arranged on the side wall of the transparent feed hopper. The second solenoid valve is arranged on the side wall of the transparent feed hopper.

[0015] As a preferred technical solution of the utility model, a heating chamber is provided inside the tank body, and an electric heating wire is arranged around the inside of the heating chamber.

[0016] As a preferred technical solution of the utility model, a scraper is fixedly connected to the side wall of the fixing frame, and a connecting plate used in conjunction with a discharge pipe is fixedly connected to the bottom of the fixing frame.

[0017] As a preferred technical solution of the utility model, two side walls of the reinforcement block are fixedly connected to two reinforcement plates, and the two reinforcement plates are fixedly connected to the side walls of the fixing frame.

[0018] As a preferred technical solution of the utility model, a support frame is fixedly connected to the periphery of the tank body, and a heat insulation layer is provided on the side wall of the tank body.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] In the solution of the utility model:

[0021] 1. Through the stirring assembly, when the titanium dioxide is hydrolyzed, the stirring motor is started to drive the stirring shaft to rotate, and the stirring shaft will drive the reinforcement block and the fixing frame to rotate, and the fixing frame will drive the two arc plates to rotate. The two arc plates are in a cross shape so that the raw materials in the tank body can be transported and stirred up and down. The stirring shaft drives the sleeve and the blades to stir the upper, middle and lower parts of the tank body at the same time, which speeds up the reaction speed inside the tank body and improves the working efficiency of the hydrolysis process, solving the problem of poor stirring effect and greatly reduced working speed in the prior art;

[0022] 2. By setting up the jacking assembly, the hydraulic cylinder is started, and the telescopic end of the hydraulic cylinder will drive the fixed plate to move upward, and the fixed plate will also drive the sealing cover, the stirring motor and the stirring shaft to move upward. At this time, the sealing cover will be moved out from the annular sealing plate. When the distance between the sealing cover and the tank body reaches the requirement, the hydraulic cylinder is closed, and then the inside of the tank body and the stirring assembly are flushed with a high-pressure nozzle. This solves the problem in the prior art that when the inner wall and the stirring parts of the hydrolysis device need to be cleaned after a period of time, the sealing cover needs to be manually opened to take out the stirring rod, which is difficult to operate and inconvenient due to the heavy weight of the stirring rod and the sealing cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the structure of a hydrolysis device for producing titanium dioxide provided by the utility model;

[0024] Figure 2 A schematic diagram of the structure of the stirring assembly, scraper, connecting plate and reinforcing plate of the hydrolysis device for titanium dioxide production provided by the utility model;

[0025] Figure 3 A schematic diagram of the structure of the jacking assembly and the heat insulation layer of the hydrolysis device for titanium dioxide production provided by the utility model;

[0026] Figure 4 A schematic diagram of the quantitative component structure of a hydrolysis device for titanium dioxide production provided by the utility model;

[0027] Figure 5This is a schematic diagram of the reinforcing chamber and heating wire structure of the hydrolysis device for titanium dioxide production provided by the utility model.

[0028] Indicated in the figure:

[0029] 1. Tank body; 2. Sealing cover; 3. Stirring assembly; 301. Stirring motor; 302. Stirring shaft; 303. Reinforcement block; 304. Fixed frame; 305. Arc plate; 306. Sleeve; 307. Blade; 308. Discharge pipe; 309. First solenoid valve; 4. Lifting assembly; 401. Fixed plate; 402. Support plate; 403. Hydraulic cylinder; 404. Annular sealing plate; 5. Dosing assembly; 501. Feed hopper; 502. Scale line; 503. Second solenoid valve; 6. Heating chamber; 7. Heating wire; 8. Scraper; 9. Connecting plate; 10. Reinforcement plate; 11. Support frame; 12. Insulation layer. DETAILED DESCRIPTION

[0030] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0031] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0033] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0034] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, this embodiment provides a hydrolysis device for titanium dioxide production, comprising a tank body 1, a cover 2 is sleeved on the top of the tank body 1, a stirring component 3 is arranged inside the tank body 1, a lifting component 4 is arranged between the cover 2 and the tank body 1, and a quantitative component 5 is arranged on the top of the cover 2;

[0035] The stirring assembly 3 includes a stirring motor 301, a stirring shaft 302, a reinforcement block 303, a fixing frame 304, an arc plate 305, a sleeve 306, a blade 307, a discharge pipe 308 and a first solenoid valve 309. The stirring motor 301 is bolted to the top of the cover 2. The stirring shaft 302 is fixedly connected to the output end of the stirring motor 301 and passes through the cover 2. The reinforcement block 303 is fixedly connected to the periphery of the stirring shaft 302. The fixing frame 304 is arranged on the periphery of the stirring shaft 302 and is fixedly connected to the reinforcement block 303. The two arc plates 305 are respectively fixedly connected to the two side walls of the fixing frame 304 and are in a cross shape. The three sleeves 306 are all fixedly connected to the periphery of the stirring shaft 302 and are evenly distributed at equal distances. The two blades 307 The discharge pipe 308 is fixedly connected to the side wall of the sleeve 306, and the discharge pipe 308 is fixedly connected to the bottom of the tank body 1 and is communicated with the tank body 1. The first solenoid valve 309 is arranged on the side wall of the discharge pipe 308. When the titanium dioxide is hydrolyzed, the stirring motor 301 is started to drive the stirring shaft 302 to rotate, and the stirring shaft 302 will drive the reinforcement block 303 and the fixing frame 304 to rotate, and the fixing frame 304 will drive the two arc plates 305 to rotate. The two arc plates 305 are in a cross shape so that the raw materials in the tank body 1 can be transported and stirred up and down. The stirring shaft 302 drives the sleeve 306 and the blades 307 to stir the upper, middle and lower positions of the tank body 1 at the same time, thereby accelerating the reaction speed inside the tank body 1 and improving the working efficiency of the hydrolysis process.

[0036] like Figure 3 As shown, as a preferred embodiment, on the basis of the above-mentioned manner, further, the lifting assembly 4 includes a fixed plate 401, a support plate 402, a hydraulic cylinder 403 and an annular sealing plate 404, the two fixed plates 401 are fixedly connected to the side walls of the cover 2 and are arranged opposite to each other, the two support plates 402 are fixedly connected to the side walls of the tank body 1 and correspond to the positions of the two fixed plates 401, the hydraulic cylinder 403 is bolted to the top of the support plate 402, the telescopic end of the hydraulic cylinder 403 is fixedly connected to the bottom of the fixed plate 401, and the annular sealing plate 404 is fixedly connected to the bottom of the fixed plate 401. The annular sealing plate 404 is fixedly connected to the periphery of the tank body 1 and is used in conjunction with the sealing cover 2. The cross-section of the annular sealing plate 404 is L-shaped. When the hydraulic cylinder 403 is started, the telescopic end of the hydraulic cylinder 403 will drive the fixed plate 401 to move upward, and the fixed plate 401 will also drive the sealing cover 2, the stirring motor 301 and the stirring shaft 302 to move upward. At this time, the sealing cover 2 will be moved out of the annular sealing plate 404. When the distance between the sealing cover 2 and the tank body 1 reaches the requirement, the hydraulic cylinder 403 is closed, and then the inside of the tank body 1 and the stirring assembly 3 are rinsed with a high-pressure nozzle.

[0037] like Figure 4As shown, as a preferred embodiment, on the basis of the above method, further, the quantitative component 5 includes a transparent feed hopper 501, a scale line 502 and a second solenoid valve 503, the transparent feed hopper 501 passes through the cover 2 and is fixedly connected to the cover 2, the scale line 502 is arranged on the side wall of the transparent feed hopper 501, and the second solenoid valve 503 is arranged on the side wall of the transparent feed hopper 501, and the titanium dioxide hydrolysis raw material is put into the transparent feed hopper 501. According to observing the scale line 502, the quantitative purpose can be achieved, thereby meeting the different quantity requirements of titanium dioxide hydrolysis each time.

[0038] like Figure 5 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, a heating chamber 6 is opened inside the tank body 1, and an electric heating wire 7 is arranged around the inside of the heating chamber 6. During the hydrolysis process of titanium dioxide, the electric heating wire 7 in the heating chamber 6 is started, and the tank body 1 can be heated by the electric heating wire 7. There is no need to add boiling water into the tank body 1 midway, and there is no need to pass steam for heating, which greatly improves convenience.

[0039] like Figure 2 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the side wall of the fixed frame 304 is fixedly connected with a scraper 8, and the bottom of the fixed frame 304 is fixedly connected with a connecting plate 9 used in conjunction with the discharge pipe 308. When the stirring shaft 302 drives the fixed frame 304 to rotate, the fixed frame 304 will drive the scraper 8 and the connecting plate 9 to rotate at the same time. The scraper 8 will scratch the inner wall of the tank body 1 to prevent titanium dioxide from adhering to the inner wall of the tank body 1 during the hydrolysis process, and the connecting plate 9 will stir the top of the discharge pipe 308 to avoid clogging the discharge pipe 308.

[0040] like Figure 2 As shown, as a preferred embodiment, on the basis of the above method, further, the two side walls of the reinforcement block 303 are fixedly connected with two reinforcement plates 10, and the two reinforcement plates 10 are fixedly connected to the side walls of the fixed frame 304. By setting the reinforcement plates 10, the stability between the fixed frame 304 and the reinforcement block 303 can be improved, so that the fixed frame 304 is more stable during the rotation process.

[0041] like Figure 1 and Figure 3 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the periphery of the tank body 1 is fixedly connected with a support frame 11, and the side wall of the tank body 1 is provided with a heat insulation layer 12. By providing the support frame 11, the tank body 1 can be supported and stabilized. The temperature of the tank body 1 is very high during the production process, and the safety of the operator can be guaranteed by the heat insulation layer 12 to avoid burns.

[0042] Specifically, when the hydrolysis device for titanium dioxide production is used: first, the titanium dioxide hydrolysis raw material is put into the transparent feed hopper 501, and the quantitative purpose can be achieved by observing the scale line 502, and the second solenoid valve 503 is started to facilitate the titanium dioxide hydrolysis raw material to fall into the tank body 1, and then a suitable water source is subsequently injected into the tank body 1, and then the stirring motor 301 is started to drive the stirring shaft 302 to rotate, and at the same time, the stirring shaft 302 will drive the reinforcement block 303 and the fixing frame 304 to rotate, and the fixing frame 304 will drive the two arc plates 305 to rotate, and the two arc plates 305 are in a cross shape so that the raw materials in the tank body 1 can be transported and stirred up and down, and the stirring shaft 302 drives the sleeve 306 and the blade 307 to stir the upper, middle and lower positions of the tank body 1 at the same time, so as to accelerate the reaction speed inside the tank body 1 and improve the working efficiency of the hydrolysis process, and start the electric heating wire 7 in the heating chamber 6, and the tank body 1 can be heated by the electric heating wire 7, and there is no need to add heat to the inside of the tank body 1 midway. Boiling water is added, and there is no need to introduce steam for heating, which greatly improves convenience. When the stirring shaft 302 drives the fixing frame 304 to rotate, the fixing frame 304 will drive the scraper 8 and the connecting plate 9 to rotate. The scraper 8 will scratch the inner wall of the tank body 1 to prevent titanium dioxide from adhering to the inner wall of the tank body 1 during the hydrolysis process. The connecting plate 9 will stir the top of the discharge pipe 308 to avoid clogging the discharge pipe 308. After the hydrolysis work is completed, the first solenoid valve 309 is opened to carry out the discharge work. However, when the inner wall of the tank body 1 and the stirring assembly 3 need to be cleaned after a period of time, the hydraulic cylinder 403 is started, and the telescopic end of the hydraulic cylinder 403 will drive the fixed plate 401 to move upward, and the fixed plate 401 will also drive the cover 2, the stirring motor 301 and the stirring shaft 302 to move upward. At this time, the cover 2 will be moved out of the annular sealing plate 404. When the distance between the cover 2 and the tank body 1 reaches the requirement, the hydraulic cylinder 403 is closed, and then the inside of the tank body 1 and the stirring assembly 3 are rinsed with a high-pressure nozzle.

[0043] All technical features in this embodiment can be freely combined according to actual needs.

[0044] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A hydrolysis device for producing titanium dioxide, comprising a tank (1), characterized in that: The top of the tank body (1) is sleeved with a cover (2), a stirring assembly (3) is arranged inside the tank body (1), a lifting assembly (4) is arranged between the cover (2) and the tank body (1), and a dosing assembly (5) is arranged on the top of the cover (2); The stirring assembly (3) comprises a stirring motor (301), a stirring shaft (302), a reinforcement block (303), a fixing frame (304), an arc plate (305), a sleeve (306), a blade (307), a discharge pipe (308) and a first solenoid valve (309), wherein the stirring motor (301) is bolted to the top of the cover (2), the stirring shaft (302) is fixedly connected to the output end of the stirring motor (301) and passes through the cover (2), the reinforcement block (303) is fixedly connected to the periphery of the stirring shaft (302), and the fixing frame (304) is fixedly connected to the outer periphery of the stirring shaft (302). The two arc plates (305) are respectively fixedly connected to the two side walls of the fixing frame (304) and are in a cross shape. The three sleeves (306) are all fixedly connected to the periphery of the stirring shaft (302) and are evenly distributed at equal intervals. The two blades (307) are all fixedly connected to the side walls of the sleeves (306). The discharge pipe (308) is fixedly connected to the bottom of the tank body (1) and is in communication with the tank body (1). The first solenoid valve (309) is arranged on the side wall of the discharge pipe (308).

2. A hydrolysis device for titanium dioxide production according to claim 1, characterized in that: The lifting assembly (4) comprises a fixing plate (401), a supporting plate (402), a hydraulic cylinder (403) and an annular sealing plate (404); the two fixing plates (401) are fixedly connected to the side walls of the cover (2) and are arranged opposite to each other; the two supporting plates (402) are fixedly connected to the side walls of the tank body (1) and correspond to the positions of the two fixing plates (401); the hydraulic cylinder (403) is bolted to the top of the supporting plate (402); the telescopic end of the hydraulic cylinder (403) is fixedly connected to the bottom of the fixing plate (401); the annular sealing plate (404) is fixedly connected to the periphery of the tank body (1) and is used in conjunction with the cover (2); and the cross section of the annular sealing plate (404) is L-shaped.

3. A hydrolysis device for titanium dioxide production according to claim 1, characterized in that: The quantitative component (5) comprises a transparent feed hopper (501), a scale line (502) and a second solenoid valve (503); the transparent feed hopper (501) penetrates the cover (2) and is fixedly connected to the cover (2); the scale line (502) is arranged on the side wall of the transparent feed hopper (501); and the second solenoid valve (503) is arranged on the side wall of the transparent feed hopper (501).

4. A hydrolysis device for titanium dioxide production according to claim 1, characterized in that: A heating chamber (6) is provided inside the tank body (1), and an electric heating wire (7) is arranged around the inside of the heating chamber (6).

5. A hydrolysis device for titanium dioxide production according to claim 1, characterized in that: A scraper (8) is fixedly connected to the side wall of the fixing frame (304), and a connecting plate (9) used in conjunction with a discharge pipe (308) is fixedly connected to the bottom of the fixing frame (304).

6. A hydrolysis device for titanium dioxide production according to claim 1, characterized in that: Two side walls of the reinforcement block (303) are fixedly connected to two reinforcement plates (10), and the two reinforcement plates (10) are fixedly connected to the side walls of the fixing frame (304).

7. A hydrolysis device for titanium dioxide production according to claim 1, characterized in that: A support frame (11) is fixedly connected to the periphery of the tank body (1), and a heat insulation layer (12) is provided on the side wall of the tank body (1).

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