CN218291134U

CN218291134U - Calcium titanate preparation equipment by electrodeposition method

Info

Publication number: CN218291134U
Application number: CN202221724724.7U
Authority: CN
Inventors: 王三元; 周绿山; 颜爽; 徐明阳; 王泽�
Original assignee: SICHUAN UNIVERSITY OF ARTS AND SCIENCE
Current assignee: SICHUAN UNIVERSITY OF ARTS AND SCIENCE
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2023-01-13
Anticipated expiration: 2032-07-06

Abstract

The utility model relates to a calcium titanate preparation device by an electrodeposition method, which comprises an electrodeposition tank, a peristaltic pump, a delivery pump A, an intermediate tank, a delivery pump B and a settling tank; a heating jacket is arranged outside the electrodeposition tank, and a stirring paddle and an electrode plate are arranged inside the electrodeposition tank; the top of the electrodeposition tank is respectively provided with a main material port, a liquid inlet and an exhaust port, and the bottom of the electrodeposition tank is provided with a liquid outlet pipe; the delivery pump A is connected between the liquid outlet pipe and the middle groove; the delivery pump B is connected between the intermediate tank and the settling tank; an outlet pipe of the delivery pump A is connected with a settling agent adding pipe which is vertically inserted; the utility model discloses accomplish heating and electrodeposition in a retort to through setting up the settling cask, not only accomplish the mixture of precipitant and reaction liquid in transportation process, and through set up a central section of thick bamboo and an overflow section of thick bamboo in the settling cask, shortened the settling time.

Description

Calcium titanate preparation equipment by electrodeposition method

Technical Field

The utility model belongs to calcium titanate preparation equipment field, specific theory relates to a calcium titanate equipment is prepared to electrodeposition method.

Background

The electro-deposition process for preparing calcium titanate photocatalyst uses the ethanol solution of calcium nitrate tetrahydrate and the ethanol solution of tetrabutyl titanate as raw materials, and makes the calcium nitrate tetrahydrate and tetrabutyl titanate react to generate calcium titanate under the conditions of heating and electrifying the electrode plate. At present, a water bath kettle is usually used for heating a tetrahydrate calcium nitrate ethanol solution, and then the tetrahydrate calcium nitrate ethanol solution is transferred to a tank with an electrodeposition device for electrodeposition reaction, and because calcium titanate generated after the electrodeposition reaction has extremely small particles, a precipitator needs to be added into the deposition tank after the reaction and stirred, and the calcium titanate can be collected after more than 2 hours of deposition, the required reaction and deposition time is long, so that the industrial process of preparing the calcium titanate photocatalyst by an electrodeposition method is restricted.

Disclosure of Invention

In order to overcome the problem that exists among the background art, the utility model provides an electrodeposition method preparation calcium titanate equipment through setting up the electrodeposition tank, accomplishes heating and electrodeposition in a retort to through setting up the settling cask, not only accomplish the mixture of precipitant and reaction liquid in transportation process, and through setting up a center section of thick bamboo and an overflow section of thick bamboo in the settling cask, shortened the settling time.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the device for preparing the calcium titanate by the electrodeposition method comprises an electrodeposition tank, a peristaltic pump, a delivery pump A, an intermediate tank, a delivery pump B and a settling tank; a heating jacket is arranged outside the electrodeposition tank, and a stirring paddle and an electrode plate are arranged inside the electrodeposition tank; the top of the electrodeposition tank is respectively provided with a main material port, a liquid inlet and an exhaust port, and the bottom of the electrodeposition tank is provided with a liquid outlet pipe; the delivery pump A is connected between the liquid outlet pipe and the middle groove; the delivery pump B is connected between the intermediate tank and the settling tank; and a settling agent adding pipe which is vertically inserted is connected to an outlet pipe of the delivery pump A.

Preferably, a thermometer and a pH meter are arranged in the electrodeposition tank; the heating jacket is provided with a heating liquid inlet and a heating liquid outlet.

Preferably, the electrode plate is fixed on the upper part of the electrodeposition tank through an electrode plate fixing piece; the electrode plate fixing piece comprises a supporting plate, two symmetrical clamping plates arranged at the lower end of the supporting plate and a fixing frame arranged on the upper end face of the supporting plate; an electrode plate clamping passage is formed between the fixing frame and the clamping plate; the electrode plate clamping passage is shorter than the electrode plate; two fixing holes for fixing the electrode plate are formed in the fixing frame; the lower end face of the supporting plate is an arc-shaped face, the radian is consistent with the top filling radian of the electrodeposition tank, and the top filling of the electrodeposition tank is provided with a plate electrode insertion through hole; the size of the support plate is larger than that of the electrode plate insertion hole; and the electrode plate is provided with a connecting hole matched with the fixing hole.

Preferably, the electrode plate fixing member is made of an insulating material.

Preferably, a central cylinder and an overflow cylinder are arranged in the settling tank; the central cylinder is arranged inside the settling tank, the overflow cylinder is arranged outside the settling tank, and the central cylinder and the overflow cylinder are concentric with the settling tank, wherein the overflow cylinder is higher than the central cylinder, and an outlet pipe of the delivery pump B penetrates through the tank wall of the settling tank and a pipe orifice of the settling tank and is inserted into the central cylinder downwards; the lower part of the overflow cylinder is conical and gradually reduced into a discharge pipe penetrating out of the bottom of the tank; a liquid return pipe is arranged at the bottom of the settling tank and communicated to the intermediate tank; the upper part of the settling tank is also provided with a clear liquid discharge pipe.

Preferably, the pipeline outlet of the delivery pump B is provided with a buffer plate with the diameter larger than that of the outlet pipe, and the buffer plate is connected with the outlet pipe through a connecting rod.

Preferably, the settling tank is higher than the intermediate tank, and the outlet of the liquid return pipe on the settling tank is higher than the intermediate tank.

The utility model has the advantages that:

the utility model can complete heating and electrodeposition simultaneously in one device by arranging the electrode plate in the electrodeposition tank and arranging the heating jacket outside the electrodeposition tank, thereby improving the reaction efficiency of electrodeposition and shortening the reaction time of electrodeposition; a precipitator adding pipe is inserted into an outlet pipe of the conveying pump A, so that the mixing of the precipitator and the reaction liquid can be completed in the reaction liquid conveying process; compared with a mode of adding a precipitator into the electrodeposition tank for precipitation after electrodeposition is finished, the method avoids the influence of the residue of the precipitator on the electrodeposition reaction of the next tank, and completes the mixing of the precipitator and the reaction liquid without additional power supply; by arranging the settling tank, the electrodeposition process and the reaction process are separated, so that the intermittent reaction time is shortened; the sedimentation tank is matched with the middle tank, so that continuous sedimentation of reaction materials is realized, and semi-intermittent production of the whole process is realized.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the electrodeposition tank of the present invention;

FIG. 3 is a top view of an electrodeposition tank of the present invention;

fig. 4 is a schematic structural view of the electrode plate fixing member of the present invention;

FIG. 5 is a schematic view of the internal structure of the settling tank of the present invention;

FIG. 6 is a schematic diagram of the electrode plate structure of the present invention;

remarking: the peristaltic pump is of a conventional structure, the thermometer and the pH meter are arranged in the tank body in a conventional arrangement, and the peristaltic pump, the thermometer and the pH meter are omitted in the attached drawing;

in the figure, 1-an electrodeposition tank, 2-a delivery pump A, 3-an intermediate tank, 4-a delivery pump B, 5-a settling tank, 6-a heating jacket, 7-a stirring paddle, 8-a plate electrode, 9-a main material port, 10-a liquid inlet, 11-an exhaust port, 12-a liquid outlet pipe, 13-a settling agent adding pipe, 14-a heating liquid inlet, 15-a heating liquid outlet, 16-a support plate, 17-a clamping plate, 18-a fixing frame, 19-a fixing hole, 20-a connecting hole, 21-a central cylinder, 22-an overflow cylinder, 23-a discharge pipe, 24-a liquid return pipe, 25-a buffer plate, 26-a connecting rod, 27-a handle, 28-a plate electrode clamping channel, 29-an electrodeposition tank support, 30-a settling tank support, 31-a terminal plate electrode, 32-a fixing support rod and 33-a clear liquid discharge pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will make a detailed description of a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.

The method is characterized in that calcium nitrate tetrahydrate ethanol solution is heated in a water bath kettle, then transferred to an electrodeposition device with a heating function, and after electrodeposition is completed, precipitator is added in the electrodeposition device under stirring condition for sedimentation, so that the calcium titanate is prepared intermittently, the reaction time is long, only sedimentation needs more than 2 hours, the equipment is specially designed for simplifying the equipment and saving investment, the equipment investment is saved, and the sedimentation rate is greatly improved.

As shown in figures 1-6, the electrodeposition method calcium titanate preparation equipment comprises an electrodeposition tank 1, a peristaltic pump, a delivery pump A2, an intermediate tank 3, a delivery pump B4 and a settling tank 5. The bottom of the electrodeposition tank 1 is provided with a liquid outlet pipe 12 for discharging reaction liquid, a delivery pump A2 is connected between the liquid outlet pipe 12 and the intermediate tank 3, a delivery pump B4 is connected between the intermediate tank 3 and the sedimentation tank 5, and an outlet pipe of the delivery pump A2 is connected with a sedimentation agent adding pipe 13 which is vertically inserted. The calcium titanate electrodeposition reaction is carried out in the electrodeposition tank 1, after the reaction is finished, the reaction liquid is conveyed to the intermediate tank 3 through the conveying pump A2, in the conveying process to the intermediate tank 3, the precipitator is added through the precipitator adding pipe 13, after the precipitator is added into the outlet pipe of the conveying pump A2, in the conveying process, the conveying power is used for mixing the precipitator and the reaction materials in the conveying pipe, the reaction materials are continuously mixed after entering the intermediate tank 3, and the mixing of the precipitator and the reaction materials is realized without additionally providing stirring power.

The electrodeposition tank 1 is internally provided with a stirring paddle 7, an electrode plate 8, a thermometer and a pH meter, wherein the thermometer and the pH meter respectively monitor the temperature and the pH value in the electrodeposition reaction process. The whole electrodeposition reaction is carried out under stirring and heating conditions. The heating jacket 6 is arranged outside the electrodeposition tank 1, the heating jacket 6 is provided with a heating liquid inlet 14 and a heating liquid outlet 15, and the heating liquid is circularly heated through the heating liquid inlet 14 and the heating liquid outlet 15, so that the temperature control of the reaction liquid in the tank is more facilitated. The top of the electro-deposition tank 1 is respectively provided with a main material port 9, a liquid inlet 10 and an exhaust port 11, and a calcium nitrate tetrahydrate ethanol solution is added into the electro-deposition tank 1 through the main material port 9; the pump outlet pipe of the peristaltic pump is communicated with the liquid inlet 10, the tetrabutyl titanate ethanol solution is added into the electrodeposition tank 1 through the peristaltic pump, and the peristaltic pump can meet the requirement of controlling the adding speed of the tetrabutyl titanate ethanol solution because the adding speed of the tetrabutyl titanate ethanol solution needs to be controlled in the electrodeposition reaction.

The electrode plate 8 is fixed on the top of the electrodeposition tank 1 through an electrode plate fixing piece. The material of electrode plate mounting is insulating material, including the backup pad 16, locate the splint 17 of two symmetries of backup pad 16 lower extreme and set up the fixed frame 18 at the backup pad 16 up end, form electrode plate clamping passageway 28 between fixed frame 18 and the splint 17, electrode plate clamping passageway weak point is in electrode plate 8, set up two fixed orificess 19 that are used for fixed electrode plate 8 on the fixed frame 18, correspondingly, set up on the electrode plate 8 with fixed orifices 19 assorted connecting hole 20, the top of irritating of electrodeposition tank 1 is seted up the electrode plate and is inserted the through-hole. Fixation of the electrode plate 8: after the electrode plate 8 passes through the electrode plate clamping passage 28 and the connecting hole 20 and the fixing hole 19 are opposed to each other, the electrode plate 8 is connected to the electrode plate holder by passing an insulating bolt through the connecting hole 20 and the fixing hole 19. After the electrode plate 8 is connected with the electrode plate fixing piece, the electrode plate 8 is inserted into the electrodeposition tank 1 along the electrode plate insertion through hole, and after the material temperature and the pH value meet the reaction requirements, the electrode plate 8 is powered on to start the electrodeposition reaction. The lower terminal surface of backup pad 16 is the arcwall face, and the radian is unanimous with the top of irritating radian of electrodeposition tank 1, and the size of backup pad 16 is greater than the electrode plate patchhole, inserts the back, and in electrode plate 8 inserted electrodeposition tank 1, backup pad 16 supported at the tank deck of electrodeposition tank 1, and fixed frame 18 leaks in electrodeposition tank 1.

A central cylinder 21 and an overflow cylinder 22 are arranged in the settling tank 5, wherein the central cylinder 21 is arranged outside the inner overflow cylinder 22, the central cylinder 21 and the overflow cylinder 21 are concentrically fixed with the settling tank 5 through a fixing support rod 32, the overflow cylinder 22 is higher than the central cylinder 21, the lower part of the overflow cylinder 22 is conical, and the lower part of the overflow cylinder 22 is gradually reduced into a discharge pipe 23 penetrating out of the bottom of the tank. The outlet pipe of the delivery pump B4 is inserted through the wall of the settling tank 5, with the pipe orifice facing downwards, into the central cylinder 21. A liquid return pipe 24 is arranged at the bottom of the settling tank 5, and the liquid return pipe 24 is communicated with the intermediate tank 3. The liquid return pipe 24 is arranged at the bottom of the settling tank 5 and is positioned outside the overflow cylinder 22, the non-precipitated materials can be returned to the middle tank 3, the materials which are not completely precipitated are prevented from being accumulated and retained at the bottom of the settling tank 5, the upper part of the settling tank 5 is provided with a clear liquid discharge pipe 33, and the supernatant is discharged through the clear liquid discharge pipe 33. Continuous and cyclic sedimentation of the reaction material liquid after the precipitant is added is realized through the intermediate tank 3, the central cylinder 21, the overflow cylinder 22, the discharge pipe 23, the liquid return pipe 24, the clear liquid discharge pipe 33 and the delivery pump B, namely, the high solid content reaction material can be continuously discharged from the discharge pipe 23, the reaction material liquid is continuously input into the intermediate tank 3, the clear liquid in the sedimentation tank 3 is continuously discharged through the clear liquid discharge pipe 33, and only the electrodeposition process is intermittent in the whole calcium titanate generation process.

After the reaction of calcium nitrate tetrahydrate and tetrabutyl titanate is finished in the electrodeposition tank 1, the calcium nitrate tetrahydrate and the tetrabutyl titanate are conveyed to the intermediate tank 3 through the conveying pump A2, the mixing of a precipitator (liquid precipitator) and reaction liquid is finished in the conveying pipeline and the intermediate tank 3, the material mixed with the precipitator is conveyed to the central cylinder 21 through the conveying pump B4, the central cylinder 21 buffers conveying power to avoid the stirring and mixing action caused by the impact of the material, after the power buffering, the reaction material overflows to the overflow cylinder 22 from the central cylinder 21 and finishes the precipitation in the overflow cylinder 22, precipitated slag is discharged from the discharge pipe 23, clear liquid overflows from the overflow cylinder 22 and returns to the intermediate tank 3 through the liquid return pipe 24, and the circulation and continuous precipitation are realized. The buffer plate 25 is arranged at the pipe orifice of the outlet pipe of the delivery pump B, so that the impact of the delivery of the materials on the materials in the central cylinder 21 can be further reduced, and the sedimentation rate is improved. The material discharged from the discharge pipe 23 is subjected to subsequent filtration and drying processes.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. An electrodeposition method preparation calcium titanate equipment, which is characterized in that: comprises an electrodeposition tank (1), a peristaltic pump, a delivery pump A (2), an intermediate tank (3), a delivery pump B (4) and a settling tank (5); a heating jacket (6) is arranged outside the electrodeposition tank (1), and a stirring paddle (7) and an electrode plate (8) are arranged inside the electrodeposition tank; the top of the electro-deposition tank (1) is respectively provided with a main material port (9), a liquid inlet (10) and an exhaust port (11), and the bottom of the electro-deposition tank is provided with a liquid outlet pipe (12); the delivery pump A (2) is connected between the liquid outlet pipe (12) and the intermediate tank (3); the delivery pump B (4) is connected between the intermediate tank (3) and the settling tank (5); and a settling agent adding pipe (13) which is vertically inserted is connected to an outlet pipe of the delivery pump A (2).

2. The apparatus for preparing calcium titanate by electrodeposition according to claim 1, wherein: a thermometer and a pH meter are arranged in the electrodeposition tank (1); the heating jacket (6) is provided with a heating liquid inlet (14) and a heating liquid outlet (15).

3. The apparatus for preparing calcium titanate by electrodeposition according to claim 1, wherein: the electrode plate (8) is fixed on the upper part of the electrodeposition tank (1) through an electrode plate fixing piece; the electrode plate fixing piece comprises a supporting plate (16), two symmetrical clamping plates (17) arranged at the lower end of the supporting plate and a fixing frame (18) arranged on the upper end face of the supporting plate; an electrode plate clamping passage is formed between the fixing frame (18) and the clamping plate (17); the electrode plate clamping passage is shorter than the electrode plate (8); two fixing holes (19) for fixing the electrode plate (8) are formed in the fixing frame (18); the lower end face of the supporting plate (16) is an arc-shaped face, the radian is consistent with the radian of the top pouring of the electrodeposition tank (1), and the top pouring of the electrodeposition tank (1) is provided with a plate electrode insertion through hole; the support plate (16) is larger than the electrode plate insertion hole; the electrode plate (8) is provided with a connecting hole (20) matched with the fixing hole (19).

4. The apparatus for preparing calcium titanate by electrodeposition according to claim 3, wherein: the electrode plate fixing piece is made of an insulating material.

5. The apparatus for preparing calcium titanate by electrodeposition according to claim 1, wherein: a central cylinder (21) and an overflow cylinder (22) are arranged in the settling tank (5); the central cylinder (21) is arranged outside the inner overflow cylinder (22), the central cylinder (21) and the overflow cylinder (22) are concentric with the settling tank (5), wherein the overflow cylinder (22) is higher than the central cylinder (21), and an outlet pipe of the delivery pump B (4) penetrates through the tank wall of the settling tank (5) and is inserted into the central cylinder (21) with a downward pipe orifice; the lower part of the overflow cylinder (22) is conical and gradually reduced into a discharge pipe (23) penetrating out of the bottom of the tank; a liquid return pipe (24) is arranged at the bottom of the settling tank (5), the liquid return pipe (24) is communicated to the intermediate tank (3), and a clear liquid discharge pipe (33) is further arranged at the upper part of the settling tank (5).

6. The apparatus of claim 5, wherein the apparatus comprises: and a pipeline outlet of the delivery pump B (4) is provided with a buffer plate (25) with the diameter larger than that of the outlet pipe, and the buffer plate (25) is connected with the outlet pipe through a connecting rod (26).

7. The apparatus for preparing calcium titanate by electrodeposition according to claim 5, wherein: the settling tank (5) is higher than the middle tank (3), and the outlet of the liquid return pipe (24) on the settling tank (5) is higher than the middle tank (3).