CN217698001U

CN217698001U - Iron phosphate dihydrate crystallization device

Info

Publication number: CN217698001U
Application number: CN202221864507.8U
Authority: CN
Inventors: 李江
Original assignee: Yuntu New Energy Materials Jingzhou Co ltd
Current assignee: Yuntu New Energy Materials Jingzhou Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-11-01
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a ferric phosphate dihydrate crystallization device belongs to ferric phosphate production facility field, solves the problem that current ferric phosphate crystallization device stirring efficiency is not high. It comprises a reaction tank and a stirring mechanism; rabbling mechanism include driving motor, sleeve, (mixing) shaft and a plurality of puddler, just driving motor's output and muffjoint, the sleeve run through the retort and with (mixing) shaft sliding connection, sleeve and (mixing) shaft between be equipped with and drive (mixing) shaft pivoted limit structure, the puddler fix the lower part at the (mixing) shaft, the baffle inner wall of puddler top is fixed with the ring, the bottom of ring is equipped with a plurality of sliding assembly along its axle center swivelling movement, every sliding assembly bottom all be connected with the spring, every the spring all correspond and connect a puddler that is located the top. The utility model discloses a ferric phosphate dihydrate crystallization device can effectively improve stirring effect, and then improves crystallization reaction efficiency.

Description

Iron phosphate dihydrate crystallization device

Technical Field

The utility model relates to an iron phosphate production facility, more specifically says that it relates to an iron phosphate dihydrate crystallization device.

Background

The iron phosphate is salt acted by iron salt solution and sodium phosphate, wherein the iron is trivalent and more than two hydrates, and the iron phosphate is mainly used for manufacturing lithium iron phosphate battery materials, catalysts, ceramics and the like. The preparation of the ferric phosphate dihydrate is generally formed by crystallization through chemical reaction, specifically, iron powder and dilute phosphoric acid are mixed to react to generate Fe (H2 PO 4) 2, then an oxidant is added to oxidize the mixture to generate ferric phosphate precipitate, and the ferric phosphate dihydrate is filtered and dried to obtain high-purity battery-grade ferric phosphate; the ferric phosphate dihydrate is a nano flaky crystal of a quasi-red iron phosphate crystal form, and a reaction kettle of the ferric phosphate dihydrate is also called a crystallization device. The existing ferric phosphate dihydrate crystallization device generally comprises a reaction tank, a stirring mechanism, a filter screen and a heating plate, wherein raw materials are put into the reaction tank, the stirring mechanism is utilized to carry out stirring reaction, after ferric phosphate precipitation is generated, waste liquid is discharged, ferric phosphate is filtered out on the filter screen, and the heating plate is restarted to heat and dry the inner cavity of the reaction tank, so that ferric phosphate dihydrate crystals are obtained. But current ferric phosphate crystallization device dihydrate, its rabbling mechanism only can be poor to the stirring of raw materials in the horizontal direction, stirring effect, influences batching efficiency greatly. Therefore, the development of a novel ferric phosphate dihydrate crystallization device is urgently needed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to the above-mentioned of prior art, provide a ferric phosphate dihydrate crystallization device, can effectively improve stirring effect, and then improve crystallization reaction efficiency.

The technical scheme of the utility model is like this: a ferric phosphate dihydrate crystallization device comprises a reaction tank and a stirring mechanism, wherein a partition plate is arranged in the reaction tank, a heating plate is arranged at the lower part between the partition plate and the reaction tank, and a filter screen is arranged at the bottom of the reaction tank on the inner side of the partition plate; the stirring mechanism comprises a driving motor, a sleeve, a stirring shaft and a plurality of stirring rods, wherein the driving motor is fixed at the top center of the reaction tank, the output end of the driving motor is connected with the sleeve, the sleeve penetrates through the reaction tank and is connected with the stirring shaft in a sliding manner, a limiting structure for driving the stirring shaft to rotate is arranged between the sleeve and the stirring shaft, the stirring rods are fixed at the lower part of the stirring shaft, a circular ring is fixed on the inner wall of the partition plate above the stirring rods, a plurality of sliding assemblies which can rotationally slide along the axis of the circular ring are arranged at the bottom of the circular ring, each sliding assembly is connected with a spring at the bottom, each spring is correspondingly connected with one stirring rod which is positioned at the topmost end, and each spring which is positioned at the topmost end is arranged between the stirring rod and the partition plate and is provided with a touch mechanism for lifting the stirring rod.

As a further improvement, the limiting structure comprises limiting strips and limiting grooves, the limiting strips are symmetrically fixed at the top end of the stirring shaft, the limiting grooves are symmetrically formed in the inner wall of the sleeve, and the limiting strips are inserted in the limiting grooves in a sliding mode.

Furthermore, the sliding assembly comprises a T-shaped sliding block, a T-shaped sliding groove which is annularly arranged along the circumferential direction of the circular ring is formed in the bottom of the circular ring, the T-shaped sliding block is slidably mounted in the T-shaped sliding groove, and the spring is connected with the T-shaped sliding block.

Further, touching mechanism include ball and arc piece, the ball activity inlay and establish in the one end bottom that is located the puddler on top, be located on top the baffle inner wall of puddler below is equipped with a supporting bench, the arc piece fix on a supporting bench, the ball contact with the top surface of arc piece, just the top surface both ends of arc piece are equipped with the inclined plane.

Furthermore, the top of the reaction tank is communicated with a feed hopper.

Furthermore, a plurality of discharge pipes with valves are arranged at the bottom of the reaction tank.

Advantageous effects

Compared with the prior art, the utility model, have following advantage:

the utility model discloses a ferric phosphate dihydrate crystallization device, through the mode of inserting the (mixing) shaft design for sliding in the sleeve, utilize the spring to be connected with the ring simultaneously for (mixing) shaft and puddler can the horizontal rotation, can slide from top to bottom again, in the process of ferric phosphate crystallization, put into the retort with the raw materials, then start the rabbling mechanism work, driving motor drives the sleeve and rotates, the sleeve drives (mixing) shaft and puddler rotation again, realize the horizontal stirring to the raw materials; at the pivoted in-process, the puddler is touched the mechanism intermittent type nature touching and is lifted up, later resets under the elastic force of its self gravity and spring for reciprocating motion about (mixing) shaft and the puddler realizes the upper and lower stirring to the raw materials, and the ascending motion stirring of its two directions can effectively improve stirring effect, and then improves crystallization reaction efficiency.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a schematic bottom view of the ring of the present invention;

fig. 4 is a side view structure enlarged schematic view of the middle arc block of the present invention.

Wherein: 1-reaction tank, 2-partition board, 3-heating board, 4-driving motor, 5-sleeve, 6-stirring shaft, 7-stirring rod, 8-circular ring, 9-spring, 10-limit strip, 11-T-shaped slide block, 12-rolling ball, 13-arc block, 14-supporting table, 15-inclined surface, 16-feeding hopper, 17-discharging hopper, 18-filtering screen and 19-T-shaped chute.

Detailed Description

The invention will be further described with reference to specific embodiments shown in the drawings.

Referring to fig. 1-4, the utility model discloses a ferric phosphate dihydrate crystallization device, including retort 1 and rabbling mechanism, wherein, be equipped with baffle 2 in retort 1, the upper and lower both ends of baffle 2 and the upper and lower both ends of the inner wall of retort 1 are through welded seal, make the retort inside baffle 2 form sealed reaction chamber, the lower part between baffle 2 and retort 1 is equipped with hot plate 3, hot plate 3 encircles baffle 2 and sets up, filter screen 18 has been placed to the retort 1 bottom of baffle 2 inboard, filter screen 18 laminates in retort 1 bottom; the stirring mechanism comprises a driving motor 4, a sleeve 5, a stirring shaft 6 and a plurality of stirring rods 7, wherein the driving motor 4 is fixed at the center of the top of the reaction tank 1, the output end of the driving motor 4 is connected with the sleeve 5, the sleeve 5 penetrates through the reaction tank 1 and is in sliding connection with the stirring shaft 6, a limiting structure for driving the stirring shaft 6 to rotate is arranged between the sleeve 5 and the stirring shaft 6, specifically, the limiting structure comprises a limiting strip 10 and a limiting groove, wherein the limiting strip 10 is symmetrically fixed at the top end of the stirring shaft 6, the limiting strip 10 extends along the axial direction of the stirring shaft 6, the limiting groove is symmetrically arranged on the inner wall of the sleeve 5 and extends along the axial direction of the sleeve 5, the limiting strip 10 is inserted in the limiting groove in a sliding manner, so that the stirring shaft 6 can be driven by the sleeve 5 to rotate and can slide up and down relative to the sleeve 5 and cannot rotate relative to the sleeve 5, puddler 7 is fixed in the lower part of (mixing) shaft 6, puddler 7 arranges the three-layer from top to bottom altogether, and every layer evenly arranges threely, 2 inner walls of baffle above puddler 7 are fixed with ring 8, ring 8 is located the top of the one deck puddler 7 of top, be equipped with a plurality of slip subassemblies along its axle center rotational sliding in the bottom of ring 8, specifically, slip subassembly includes T shape slider 11, wherein, ring 8 bottom is seted up along its circumference annular T shape spout 19 of arranging, T shape slider 11 slidable mounting is in T shape spout 19, every slip subassembly bottom all is connected with spring 9, spring 9 is connected with T shape slider 11, every spring 9 all corresponds and connects one puddler 7 that is located the top, all be equipped with the touching mechanism that is used for lifting puddler 7 between every puddler 7 that is located the top and the baffle 2. Specifically, touching mechanism includes ball 12 and arc piece 13, wherein, ball 12 activity is inlayed and is established in the one end bottom that is located topmost puddler 7, ball 12 activity is placed in puddler 7 bottom is seted up some recesses, and the centre of a circle of ball 12 is located the top of puddler 7 bottom surface, the baffle 2 inner wall that is located topmost puddler 7 below is equipped with brace table 14, arc piece 13 is fixed on brace table 14, arc piece 13 is the arc structure in overlooking the direction, guarantee that ball 12 can contact with arc piece 13, contact at ball 2 and the top surface of arc piece 13, and the top surface both ends of arc piece 13 are equipped with inclined plane 15, be convenient for ball 12 slide to the top surface of arc piece 13, it is required to explain, the minimum of inclined plane 15 is located the puddler 7 back that resets, the minimum below of ball 12, guarantee that ball 12 can slide along inclined plane 15.

The utility model discloses a ferric phosphate dihydrate crystallization device, through the mode of sliding the (mixing) shaft 6 and pegging graft at sleeve 5, utilize spring 9 to be connected with ring 8 simultaneously for (mixing) shaft 6 and puddler 7 can the horizontal rotation, can slide from top to bottom again, in the process of ferric phosphate crystallization, put into retort 1 with the raw materials, then start the rabbling mechanism work, driving motor 4 drives sleeve 5 and rotates, the sleeve drives (mixing) shaft 6 and puddler 7 again and rotates, realize the horizontal stirring to the raw materials; in the rotating process, the stirring rod 7 is intermittently touched by the touch mechanism to be lifted, and the intermittent touch is as follows: after ball and the 15 contacts of inclined plane, puddler 7 is lifted up, resets under its self gravity and spring 9's elastic action after crossing arc piece 13 for reciprocating motion about (mixing) shaft 6 and puddler 7 realizes the upper and lower stirring to the raw materials, and the ascending motion stirring of its two directions can effectively improve stirring effect, and then improves crystallization reaction efficiency.

Preferably, a feed hopper 16 is communicated with the top of the reaction tank 1 to facilitate the feeding of raw materials. Furthermore, a plurality of discharge pipes 17 with valves are arranged at the bottom of the reaction tank 1, so that waste liquid can be discharged conveniently.

In other embodiments, a blower may be disposed on the top of the reaction tank, and the blower is communicated with the hot air blower through a pipeline, so as to blow hot air into the reaction tank 1, thereby further improving the heating and drying efficiency.

What has been described above is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make a plurality of modifications and improvements without departing from the structure of the present invention, and these will not affect the effect of the present invention and the practicability of the patent.

Claims

1. A ferric phosphate dihydrate crystallization device comprises a reaction tank (1) and a stirring mechanism, and is characterized in that a partition plate (2) is arranged in the reaction tank (1), a heating plate (3) is arranged at the lower part between the partition plate (2) and the reaction tank (1), and a filter screen (18) is placed at the bottom of the reaction tank (1) on the inner side of the partition plate (2); the stirring mechanism comprises a driving motor (4), a sleeve (5), a stirring shaft (6) and a plurality of stirring rods (7), wherein the driving motor (4) is fixed at the center of the top of the reaction tank (1), the output end of the driving motor (4) is connected with the sleeve (5), the sleeve (5) penetrates through the reaction tank (1) and is in sliding connection with the stirring shaft (6), a limiting structure for driving the stirring shaft (6) to rotate is arranged between the sleeve (5) and the stirring shaft (6), the stirring rods (7) are fixed at the lower part of the stirring shaft (6), a circular ring (8) is fixed on the inner wall of the partition plate (2) above the stirring rods (7), a plurality of sliding assemblies which rotate and slide along the axis of the sliding assemblies are arranged at the bottom of the circular ring (8), a spring (9) is connected to the bottom of each sliding assembly, each spring (9) is correspondingly connected with one stirring rod (7) located at the topmost end, and a touch mechanism for lifting up the stirring rods (7) is arranged between each stirring rod (7) located at the topmost end and the partition plate (2).

2. The iron phosphate dihydrate crystallization device according to claim 1, wherein the limiting structure comprises limiting strips (10) and limiting grooves, the limiting strips (10) are symmetrically fixed at the top end of the stirring shaft (6), the limiting grooves are symmetrically arranged on the inner wall of the sleeve (5), and the limiting strips (10) are slidably inserted into the limiting grooves.

3. The iron phosphate dihydrate crystallization device according to claim 1, characterized in that the sliding assembly comprises a T-shaped sliding block (11), the bottom of the ring (8) is provided with a T-shaped sliding groove (19) which is annularly arranged along the circumference of the ring, the T-shaped sliding block (11) is slidably arranged in the T-shaped sliding groove (19), and the spring (9) is connected with the T-shaped sliding block (11).

4. The iron phosphate dihydrate crystallization device according to claim 3, characterized in that the touch mechanism comprises a ball (12) and an arc-shaped block (13), the ball (12) is movably embedded at the bottom of one end of the topmost stirring rod (7), a support table (14) is arranged on the inner wall of the partition plate (2) below the topmost stirring rod (7), the arc-shaped block (13) is fixed on the support table (14), the ball (12) is in contact with the top surface of the arc-shaped block (13), and inclined surfaces (15) are arranged at two ends of the top surface of the arc-shaped block (13).

5. The iron phosphate dihydrate crystallization device according to any of claims 1-4, characterized in that the top of the reaction tank (1) is connected with a feed hopper (16).

6. The crystallization apparatus of ferric phosphate dihydrate according to claim 5, characterized in that the bottom of the reaction tank (1) is provided with a plurality of discharge pipes (17) with valves.