CN116159522B - Hydrogen peroxide dropwise adding device in preparation of ferric phosphate and application method thereof - Google Patents

Hydrogen peroxide dropwise adding device in preparation of ferric phosphate and application method thereof Download PDF

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Publication number
CN116159522B
CN116159522B CN202310347196.0A CN202310347196A CN116159522B CN 116159522 B CN116159522 B CN 116159522B CN 202310347196 A CN202310347196 A CN 202310347196A CN 116159522 B CN116159522 B CN 116159522B
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plate
groove
opening
ring
branch pipe
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CN116159522A (en
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王红强
王镖
柯君雄
田忠涛
段卫东
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Cangzhou Caike Lithium Energy Co ltd
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Cangzhou Caike Lithium Energy Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1862—Stationary reactors having moving elements inside placed in series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0046—Sequential or parallel reactions, e.g. for the synthesis of polypeptides or polynucleotides; Apparatus and devices for combinatorial chemistry or for making molecular arrays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/37—Phosphates of heavy metals
    • C01B25/375—Phosphates of heavy metals of iron
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention relates to the field of ferric phosphate preparation devices, in particular to a hydrogen peroxide dropwise adding device in ferric phosphate preparation and a use method thereof, wherein the hydrogen peroxide dropwise adding device comprises a filter press, a liquid outlet pipe and an oxidation tank with a liquid inlet pipe at the top end; the separation plate is arranged in the oxidation tank and divides the oxidation tank into an upper cavity and a lower cavity which are mutually independent, and the separation plate is provided with a plurality of through holes penetrating through the upper surface and the lower surface of the separation plate; a first opening and closing part for opening and closing the through hole; the guide pipe is arranged on the front side surface of the vertical plate and used for conveying hydrogen peroxide; the first branch pipe and the first nozzle are arranged on the outer side surface of the first branch pipe; the second branch pipe and the second nozzle are arranged on the outer side surface of the second branch pipe; the second opening and closing part is used for opening and closing the second branch pipe; and the third opening and closing part is used for opening and closing the liquid outlet pipe. By the method, ferrous dihydrogen phosphate solution can be continuously produced and continuously enter the oxidation tank, so that the production efficiency of ferric phosphate is improved.

Description

Hydrogen peroxide dropwise adding device in preparation of ferric phosphate and application method thereof
Technical Field
The invention relates to the field of ferric phosphate preparation devices, in particular to a hydrogen peroxide dropwise adding device in ferric phosphate preparation and a use method thereof.
Background
The ferric phosphate belongs to an important precursor material in the production of a lithium iron phosphate battery anode material, wherein a one-step method is a common method for preparing the ferric phosphate, one step of the one-step method is to oxidize filtered ferrous dihydrogen phosphate solution under the action of hydrogen peroxide, and filter out precipitated ferric phosphate, and in the hydrogen peroxide oxidation process, when the ferrous dihydrogen phosphate solution in an oxidation tank is not completely oxidized, a channel of the ferrous dihydrogen phosphate solution entering the oxidation tank needs to be temporarily closed, so that ferrous dihydrogen phosphate cannot be continuously produced, and the production efficiency of the ferric phosphate is reduced.
In the patent of application number CN202121342726.5, patent name is an automatic dropwise add apparatus for producing of peroxide production process hydrogen peroxide, including weighing jar, junction housing, reation kettle, backup pad and pivot, the liquid storage pot is installed in grafting of first junction tube other end outer wall, the second connecting pipe is installed in grafting of liquid storage pot lower extreme outer wall one side, the second connecting pipe is installed in grafting of second connecting pipe other end outer wall, and the junction housing is installed in grafting of second connecting pipe run through reation kettle one end outer wall, the backup pad is installed to junction housing inner wall one side, the bearing is installed in grafting of backup pad upper end outer wall one side, the pivot is installed in the inside rotation of bearing, the baffle is installed to pivot lower extreme outer wall one side, impeller is installed to pivot upper end outer wall one side. The device improves the scattering area of the hydrogen peroxide, improves the mixing efficiency between the hydrogen peroxide and other materials, but only considers the oxidation efficiency of the hydrogen peroxide, and does not solve the technical problems.
Disclosure of Invention
Accordingly, the present invention is directed to a hydrogen peroxide dripping device in the preparation of ferric phosphate and a use method thereof, so as to solve the problem that when ferrous dihydrogen phosphate solution in an oxidation tank is not completely oxidized, a channel for the ferrous dihydrogen phosphate solution to enter the oxidation tank needs to be temporarily closed, so that ferrous dihydrogen phosphate cannot be continuously produced, and the production efficiency of ferric phosphate is reduced.
Based on the above object, the invention provides a hydrogen peroxide dropwise adding device in iron phosphate preparation, which comprises a filter press, a liquid outlet pipe and an oxidation tank with a liquid inlet pipe at the top end, wherein one end of the liquid outlet pipe is communicated with the bottom of the oxidation tank, an inlet of the filter press is communicated with the other end of the liquid outlet pipe, and the hydrogen peroxide dropwise adding device further comprises:
the separation plate is arranged in the oxidation tank and divides the oxidation tank into an upper cavity and a lower cavity which are mutually independent, and is provided with a plurality of through holes penetrating through the upper surface and the lower surface of the separation plate;
a first opening and closing part for opening and closing the through hole;
the device comprises a vertical plate and a guide pipe arranged on the front side surface of the vertical plate, wherein the guide pipe is used for conveying hydrogen peroxide;
the first branch pipe passes through the tank body of the oxidation tank, and one end of the first branch pipe is communicated with the guide pipe;
the second branch pipe passes through the tank body of the oxidation tank, and one end of the second branch pipe is communicated with the guide pipe;
the second opening and closing part is used for opening and closing the second branch pipe;
and the third opening and closing part is used for opening and closing the liquid outlet pipe.
Further, the hydrogen peroxide dropwise adding device further comprises:
the motor and the rotating shaft of the output shaft of the motor are fixed at the bottom end, the motor is arranged on the front side surface of the vertical plate, the motor is positioned right below the oxidation tank, the rotating shaft penetrates through the bottom of the oxidation tank, the rotating shaft extends into the oxidation tank, and the rotating shaft is rotationally connected with the bottom of the oxidation tank;
and one end of the second stirring blade is fixed on the side surface of the rotating shaft, and the second stirring blade is positioned in the lower cavity.
Further, the hydrogen peroxide solution dropwise add device still includes a plurality of second stirring leaves that are located the upper chamber, the pivot passes the division board, and the pivot extends to the upper chamber, the pivot is connected with the division board rotation, and the pivot is equipped with the sealing washer with the rotation junction of division board, the one end of second stirring leaf is fixed in the side surface of pivot.
Further, the third opening and closing part includes:
a lateral groove transversely arranged on the front side surface of the vertical plate;
the sliding plate is in sliding connection with the side groove, and a surface groove is transversely formed in the side surface of the sliding plate, facing the rotating shaft;
the gear rack comprises a first gear and a toothed plate positioned in the surface groove, wherein the first gear is arranged on a rotating shaft, and a first straight rack matched with the first gear is arranged on the side surface of the toothed plate facing the rotating shaft;
a driving assembly for driving the toothed plate to move into the surface groove or to move out of the surface groove so that the first spur rack and the first gear are separated from or meshed with each other;
the outer sealing plate is provided with a guide hole penetrating through the upper surface and the lower surface of the outer sealing plate, and the diameter of the guide hole is equal to the inner diameter of the liquid outlet pipe;
the surface hole penetrates through the side surface of the liquid outlet pipe, the surface hole penetrates through the inner wall of the liquid outlet pipe, the outer sealing plate is connected with the surface hole in a sliding mode, and when the guide hole is completely staggered with the liquid outlet pipe, the outer sealing plate closes the liquid outlet pipe.
Further, the driving assembly includes:
the driving cylinder and the push rod are arranged on the output shaft of the driving cylinder, and the driving cylinder is arranged on the front side surface of the vertical plate;
the device comprises an adjusting plate and a through groove arranged on the side surface of the sliding plate, which faces the oxidation tank, wherein the adjusting plate is in sliding connection with the through groove, an adjusting chute is arranged on the side surface of the adjusting plate, which faces the oxidation tank, the bottom end of the push rod is in sliding connection with the adjusting chute, the through groove is communicated with the surface groove, the side surface of the adjusting plate, which faces the surface groove, is an inclined surface, and the inclined surface is inclined from top to bottom to the vertical plate;
the springs are arranged in the surface grooves, the springs are arranged at two ends of the toothed plate, one ends of the springs are fixed on the side wall of the surface groove facing the outside, the other ends of the springs are fixed on the bottom surface of the toothed plate, and when the inclined planes are arranged in the through grooves, the bottom surface of the toothed plate moves to the lower side of the adjusting groove under the action of the springs.
Further, the second opening and closing part includes:
the adjusting rod and the driving rod are fixed at one end of the adjusting rod at the bottom end of the adjusting rod, the adjusting rod penetrates through the bottom of the guide pipe, and the adjusting rod is connected with the inner wall of the guide pipe in a sliding mode;
the outer shaft, a second gear and a third gear are arranged on the outer shaft, one end of the outer shaft is rotationally connected with the front side surface of the vertical plate, the second gear is meshed with a second straight rack arranged on the side surface of the driving rod, the third gear is meshed with a third straight rack arranged on the outer side surface of the sliding plate, and when the adjusting rod seals the second branch pipe, the guide hole is positioned in the liquid outlet pipe, so that the liquid outlet pipe is communicated; when the adjusting rod opens the second branch pipe, the guide hole is completely staggered with the liquid outlet pipe.
Further, the first opening and closing part includes:
the bottom plate is positioned below the partition plate and is provided with a bottom hole for the rotating shaft to pass through, and the bottom plate is also provided with a plurality of through holes penetrating through the upper surface and the lower surface of the bottom plate;
the plugs are arranged on the upper surface of the bottom plate, the plugs are in one-to-one correspondence with the through holes, the through holes are positioned right above the corresponding plugs, and the diameters of the plugs are equal to the diameters of the through holes;
and the lifting assembly is used for driving the bottom plate to do lifting motion.
Further, the lifting assembly includes:
the inner block is rotationally connected with an outer ring groove arranged on the outer side surface of the oxidation tank;
a plurality of side holes are arranged on the inner side surface of the lower cavity, and penetrate through the outer side surface of the oxidation tank;
the extension plate is fixed on the side surface of the bottom plate at one end, the extension plate penetrates through the side hole, and the outer side surface of the extension plate is in threaded connection with the inner thread arranged on the inner side surface of the side ring plate;
and the driving mechanism is used for driving the side ring plate to rotate.
Further, the driving mechanism includes:
the inner ring plate is positioned in the lower cavity, a bottom ring groove is formed in the lower surface of the inner ring plate, the bottom end of the supporting plate is fixed on the side wall of the lower cavity, and the top end of the supporting plate is rotationally connected with the bottom ring groove;
the wheel axle and a fourth gear arranged on the wheel axle, one end of the wheel axle is rotationally connected with the bottom surface of the side hole, and the fourth gear is meshed with an outer tooth ring arranged on the outer side surface of the inner ring plate;
an inner gear ring arranged on the inner side surface of the side ring plate, and meshed with the fourth gear;
the side rods and the connecting rods with the side surfaces fixedly connected with one ends of the side rods are arranged in a plurality of mode, and the other ends of the side rods are in sliding connection with inner sliding grooves arranged on the inner side surfaces of the inner ring plates;
the bottom rod is fixed at one end of the bottom surface of the connecting rod, a first surface ring groove and a linkage groove corresponding to the bottom rod are arranged on the side surface of the rotating shaft, the linkage groove is positioned above the first surface ring groove, and the linkage groove is communicated with the first surface ring groove;
the bottom ring plate is sleeved on the first surface ring groove, the upper surface of the bottom ring plate is in contact connection with the side surface of the bottom rod, and the bottom ring plate is used for driving the end part of the bottom rod extending to the first surface ring groove to move into the linkage groove;
an inner rod with one end fixed on the lower surface of the bottom ring plate, wherein an inner hole is arranged in the rotating shaft, and the inner rod is connected with the inner hole in a sliding way;
the side surface of the rotating shaft, which is positioned outside the oxidation tank, is provided with a second surface ring groove, the linkage ring plate is sleeved on the second surface ring groove, the height of the second surface ring groove is larger than that of the linkage ring plate, the inner hole is communicated with the second surface ring groove, and the bottom of the inner rod is rotationally connected with an end surface ring groove arranged on the upper end surface of the linkage ring plate;
the driving cylinder is a double-head cylinder, one output shaft of the double-head cylinder is fixedly connected with the push rod, and the other output shaft of the double-head cylinder is positioned right below the lower surface of the linkage annular plate.
The invention also provides a use method of the hydrogen peroxide dripping device in the preparation of the ferric phosphate, which adopts the hydrogen peroxide dripping device in the preparation of the ferric phosphate and comprises the following steps:
step one: the third opening and closing part closes the liquid outlet pipe, the first opening and closing part opens the through hole, the ferrous dihydrogen phosphate solution enters the upper cavity through the liquid inlet pipe and enters the lower cavity through the through hole, and after enough ferrous dihydrogen phosphate solution is introduced into the lower cavity, the first opening and closing part closes the through hole, so that the ferrous dihydrogen phosphate solution starts to enter the upper cavity;
step two: the second opening and closing part opens the second branch pipe, and then hydrogen peroxide is introduced into the guide pipe, so that the hydrogen peroxide entering the first branch pipe is dripped into the upper cavity through the first nozzle to oxidize ferrous dihydrogen phosphate solution in the upper cavity, and the hydrogen peroxide entering the second branch pipe is dripped into the upper cavity through the second nozzle to oxidize ferrous dihydrogen phosphate solution in the lower cavity;
step three: after the ferrous dihydrogen phosphate in the lower cavity is completely oxidized into ferric phosphate, the second opening and closing part closes the second branch pipe, and the third opening and closing part opens the liquid outlet pipe, so that the solution containing ferric phosphate in the lower cavity can enter the filter press along the liquid outlet pipe for filtering;
step four: after the solution containing ferric phosphate in the lower cavity is completely filtered, the liquid outlet pipe is closed by the third opening and closing part, the through hole is opened by the first opening and closing part, so that mixed liquid containing ferrous dihydrogen phosphate solution and ferric phosphate in the upper cavity enters the lower cavity, then the second branch pipe is opened by the second opening and closing part, and after the lower cavity is filled with enough liquid, the through hole is closed by the first opening and closing part;
step five: repeating the third step to the fourth step until the preset iron phosphate yield is reached.
The invention has the beneficial effects that: by adopting the hydrogen peroxide dropwise adding device in the preparation of the ferric phosphate and the use method thereof, two mutually independent parts are divided into the oxidation tank, after the ferrous dihydrogen phosphate solution in the lower cavity is completely oxidized and is completely released, the ferrous dihydrogen phosphate solution stored in the upper cavity and partially oxidized is released into the lower cavity, so that the ferrous dihydrogen phosphate solution can be continuously produced and continuously enter the oxidation tank, and the production efficiency of the ferric phosphate is improved.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the invention and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is an enlarged view of the inside of the oxidation tank according to the present invention;
FIG. 3 is an enlarged view of a portion of the divider plate of the present invention;
FIG. 4 is an enlarged view of FIG. 3 at A;
FIG. 5 is an enlarged view at B in FIG. 3;
FIG. 6 is an enlarged view of a portion of the skateboard of the present invention;
FIG. 7 is a front cross-sectional view of a liquid outlet tube according to the present invention;
FIG. 8 is a top cross-sectional view of a liquid outlet tube according to the present invention;
fig. 9 is a partial enlarged view of the driving cylinder in the present invention;
fig. 10 is an enlarged view of fig. 9 at C;
FIG. 11 is a front cross-sectional view of the present invention at a skateboard;
figure 12 is a side cross-sectional view of the present invention at a skateboard.
Marked in the figure as:
1. a vertical plate; 2. an oxidation tank; 3. a conduit; 4. a first branch pipe; 5. a second branch pipe; 6. an adjusting rod; 7. a filter press; 8. a rotating shaft; 9. a motor; 10. a liquid outlet pipe; 11. a slide plate; 12. a side groove; 13. a first gear; 14. a driving cylinder; 15. a toothed plate; 16. a surface groove; 17. a first nozzle; 18. a second nozzle; 19. a liquid inlet pipe; 20. a first stirring blade; 21. a second stirring blade; 22. a partition plate; 23. a side ring plate; 24. a through hole; 25. a bottom plate; 26. perforating; 27. a chock; 28. an inner ring plate; 29. a bottom bar; 30. a connecting rod; 31. a bottom hole; 32. a linkage groove; 33. a first surface ring groove; 34. a bottom ring plate; 35. an inner bore; 36. an inner rod; 37. an inner block; 38. an extension plate; 39. a side hole; 40. an internal thread; 41. an inner gear ring; 42. a wheel axle; 43. a fourth gear; 44. a brace rod; 45. a side bar; 46. an inner chute; 47. a bottom ring groove; 48. an outer shaft; 49. a second gear; 50. a third gear; 51. a fixed rod; 52. an outer sealing plate; 53. a guide hole; 54. surface holes; 55. a linkage annular plate; 56. an end surface ring groove; 57. a second surface ring groove; 58. a through groove; 59. an adjusting plate; 60. adjusting the chute; 61. a push rod; 62. a spring; 63. a driving rod; 64. an outer ring groove.
Detailed Description
The present invention will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent.
It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
In a first aspect of the present invention, as shown in fig. 1, 2 and 3, a hydrogen peroxide dripping device in the preparation of ferric phosphate is provided, and the hydrogen peroxide dripping device includes a filter press 7, a liquid outlet pipe 10, and an oxidation tank 2 with a liquid inlet pipe 19 at the top, wherein one end of the liquid outlet pipe 10 is communicated with the bottom of the oxidation tank 2, an inlet of the filter press 7 is communicated with the other end of the liquid outlet pipe 10, and the hydrogen peroxide dripping device further includes:
a partition plate 22 arranged in the oxidation tank 2, wherein the partition plate 22 divides the oxidation tank 2 into an upper cavity and a lower cavity which are mutually independent, and the partition plate 22 is provided with a plurality of through holes 24 penetrating through the upper surface and the lower surface of the partition plate;
a first opening and closing portion for opening and closing the through hole 24;
the hydrogen peroxide treatment device comprises a vertical plate 1 and a guide pipe 3 arranged on the front side surface of the vertical plate 1, wherein the guide pipe 3 is used for conveying hydrogen peroxide;
the first branch pipe 4 and the first nozzle 17 arranged on the outer side surface of the first branch pipe 4, the first nozzle 17 is positioned in the upper cavity, the inlet of the first nozzle 17 is communicated with the inside of the first branch pipe 4, the first branch pipe 4 passes through the tank body of the oxidation tank 2, and one end of the first branch pipe 4 is communicated with the guide pipe 3;
the second branch pipe 5 and the second nozzle 18 arranged on the outer side surface of the second branch pipe 5, the second nozzle 18 is positioned in the lower cavity, the inlet of the second nozzle 18 is communicated with the interior of the second branch pipe 5, the second branch pipe 5 passes through the tank body of the oxidation tank 2, and one end of the second branch pipe 5 is communicated with the guide pipe 3;
a second opening and closing part for opening and closing the second branch pipe 5;
a third opening and closing part for opening and closing the liquid outlet pipe 10.
In this embodiment, the use of the hydrogen peroxide dropwise adding device includes the following steps: step one: the third opening and closing part closes the liquid outlet pipe 10, the first opening and closing part opens the through hole 24, the ferrous dihydrogen phosphate solution enters the upper cavity through the liquid inlet pipe 19 and enters the lower cavity through the through hole 24, and after enough ferrous dihydrogen phosphate solution is introduced into the lower cavity, the first opening and closing part closes the through hole 24, so that the ferrous dihydrogen phosphate solution starts to enter the upper cavity; step two: the second opening and closing part opens the second branch pipe 5, and then hydrogen peroxide is introduced into the guide pipe 3, so that the hydrogen peroxide entering the first branch pipe 4 is dripped into the upper cavity through the first nozzle 17 to oxidize ferrous dihydrogen phosphate solution in the upper cavity, and the hydrogen peroxide entering the second branch pipe 5 is dripped into the upper cavity through the second nozzle 18 to oxidize ferrous dihydrogen phosphate solution in the lower cavity; step three: after the ferrous dihydrogen phosphate in the lower cavity is completely oxidized into ferric phosphate, the second opening and closing part closes the second branch pipe 5, and the third opening and closing part opens the liquid outlet pipe 10, so that the solution containing ferric phosphate in the lower cavity can enter the filter press 7 along the liquid outlet pipe 10 for filtering; step four: after the solution containing ferric phosphate in the lower cavity is completely filtered, the liquid outlet pipe 10 is closed by the third opening and closing part, the through hole 24 is opened by the first opening and closing part, so that the mixed liquid containing ferrous dihydrogen phosphate solution and ferric phosphate in the upper cavity enters the lower cavity, then the second branch pipe 5 is opened by the second opening and closing part, and after the lower cavity is filled with enough liquid, the through hole 24 is closed by the first opening and closing part; step five: repeating the third step to the fourth step until the preset iron phosphate yield is reached. Through the device, the inside of the oxidation tank 2 is divided into two mutually independent parts, after the ferrous dihydrogen phosphate solution in the lower cavity is completely oxidized and is completely released, the ferrous dihydrogen phosphate solution stored in the upper cavity and partially oxidized is released into the lower cavity, so that the ferrous dihydrogen phosphate solution can be continuously produced and continuously enter the oxidation tank 2, thereby improving the production efficiency of ferric phosphate
As an embodiment, as shown in fig. 1 and 2, the hydrogen peroxide dropwise adding device further includes:
the motor 9 and the rotating shaft 8 with the bottom end fixed on the output shaft of the motor 9 are arranged on the front side surface of the vertical plate 1, the motor 9 is positioned right below the oxidation tank 2, the rotating shaft 8 penetrates through the bottom of the oxidation tank 2, the rotating shaft 8 extends into the oxidation tank 2, and the rotating shaft 8 is rotationally connected with the bottom of the oxidation tank 2;
and one end of the second stirring blades 21 is fixed on the side surface of the rotating shaft 8, and the second stirring blades 21 are positioned in the lower cavity.
In the present embodiment, the second stirring blade 21 is driven to stir by the motor 9 to increase the oxidation rate.
Here, preferably, as shown in fig. 2, the hydrogen peroxide solution dropping device further includes a plurality of second stirring blades 21 located in the upper cavity, the rotating shaft 8 passes through the partition plate 22, and the rotating shaft 8 extends into the upper cavity, the rotating shaft 8 is rotationally connected with the partition plate 22, a sealing ring is disposed at a rotational connection position of the rotating shaft 8 and the partition plate 22, and one end of the second stirring blade 21 is fixed on a side surface of the rotating shaft 8. Also, the oxidation rate in the upper chamber can be increased by the first stirring vane 20.
As an embodiment, as shown in fig. 1, 6, 7, and 8, the third opening/closing portion includes:
a side groove 12 transversely arranged on the front side surface of the vertical plate 1;
a sliding plate 11 slidably connected to the side groove 12, wherein a surface groove 16 is transversely provided on a side surface of the sliding plate 11 facing the rotating shaft 8;
the first gear 13 and the toothed plate 15 positioned in the surface groove 16, the first gear 13 is arranged on the rotating shaft 8, and a first straight rack matched with the first gear 13 is arranged on the side surface of the toothed plate 15 facing the rotating shaft 8;
a driving assembly for driving the toothed plate 15 to move inward of the surface groove 16 or to move outward of the surface groove 16 so that the first spur rack and the first gear 13 are separated from or engaged with each other;
a fixed rod 51 and an outer sealing plate 52 with one end fixed on the side surface of the fixed rod 51, wherein one end of the fixed rod 51 is fixed on the lower surface of the sliding plate 11, the outer sealing plate 52 is provided with a guide hole 53 penetrating through the upper surface and the lower surface of the outer sealing plate, and the diameter of the guide hole 53 is equal to the inner diameter of the liquid outlet pipe 10;
the surface holes 54 penetrate through the side surface of the liquid outlet pipe 10, the surface holes 54 penetrate through the inner wall of the liquid outlet pipe 10, the outer sealing plate 52 is in sliding connection with the surface holes 54, and when the guide holes 53 are completely staggered with the liquid outlet pipe 10, the outer sealing plate 52 closes the liquid outlet pipe 10;
in this embodiment, when the driving assembly drives the toothed plate 15 to move out of the surface groove 16, so that the first rack is meshed with the first gear 13, the motor 9 is started to drive the slide plate 11 to move, and if the guide hole 53 finally enters the liquid outlet pipe 10 during the movement of the slide plate 11, the liquid outlet pipe 10 is opened; if the guide hole 53 is completely offset from the outlet pipe 10, the outer seal plate 52 closes the outlet pipe 10. When the driving assembly drives the toothed plate 15 to move into the surface groove 16 so that the first straight rack is separated from the first gear 13, the motor 9 will not drive the sliding plate 11 to move, and the moving state of the sliding plate 11 will stop.
As an embodiment, as shown in fig. 1, 9, 11, and 12, the driving assembly includes:
a driving cylinder 14 and a push rod 61 provided on an output shaft of the driving cylinder 14, wherein the driving cylinder 14 is provided on a front side surface of the vertical plate 1;
the device comprises an adjusting plate 59 and a through groove 58 arranged on the side surface of the sliding plate 11 facing the oxidation tank 2, wherein the adjusting plate 59 is in sliding connection with the through groove 58, an adjusting sliding groove 60 is arranged on the side surface of the adjusting plate 59 facing the oxidation tank 2, the bottom end of a push rod 61 is in sliding connection with the adjusting sliding groove 60, the through groove 58 is communicated with the surface groove 16, the side surface of the adjusting plate 59 facing the surface groove 16 is an inclined surface, and the inclined surface is inclined from top to bottom towards the vertical plate 1;
and the springs 62 are positioned in the surface grooves 16, the springs 62 are arranged at two ends of the toothed plate 15, one ends of the springs 62 are fixed on the side wall of the surface groove 16 facing the outside, the other ends of the springs 62 are fixed on the bottom surface of the toothed plate 15, and when the inclined surface is positioned in the through groove 58, the bottom surface of the toothed plate 15 moves to the lower part of the adjusting groove under the action of the springs 62.
In the present embodiment, when the cylinder drives the adjusting plate 59 to move upward through the push rod 61 so that the inclined surface moves into the through groove 58, at this time, the bottom surface of the toothed plate 15 moves under the adjusting groove under the action of the spring 62, and at this time, the first straight rack is separated from the first gear 13; when the cylinder drives the adjusting plate 59 to move downwards through the push rod 61, the inclined surface contacts with the bottom surface of the toothed plate 15, and finally pushes the toothed plate 15 to move towards the outside of the adjusting groove, so that the first straight rack is meshed with the first gear 13, and after meshing, the first gear 13 can drive the sliding plate 11 to move.
As an embodiment, as shown in fig. 1 and 6, the second opening and closing part includes:
the adjusting rod 6 and the driving rod 63 with one end fixed at the bottom end of the adjusting rod 6, the adjusting rod 6 passes through the bottom of the catheter 3, and the adjusting rod 6 is in sliding connection with the inner wall of the catheter 3;
an outer shaft 48, and a second gear 49 and a third gear 50 mounted on the outer shaft 48, wherein one end of the outer shaft 48 is rotatably connected with the front side surface of the vertical plate 1, the second gear 49 is meshed with a second straight rack provided on the side surface of the driving rod 63, the third gear 50 is meshed with a third straight rack provided on the outer side surface of the sliding plate 11, and when the adjusting rod 6 seals the second branch pipe 5, the guide hole 53 is positioned in the liquid outlet pipe 10, so that the liquid outlet pipe 10 is conducted; when the second branch pipe 5 is opened by the adjusting rod 6, the guide hole 53 is completely staggered from the liquid outlet pipe 10.
In this embodiment, when the guide hole 53 is completely staggered from the liquid outlet pipe 10, the liquid outlet pipe 10 is closed at this time, the adjusting rod 6 is located below the second branch pipe 5, the second branch pipe 5 is opened, the sliding plate 11 moves, so that the guide hole 53 gradually moves towards the liquid outlet pipe 10, in this process, the adjusting rod 6 gradually moves upwards through the second gear 49 and the third gear 50, after all the second branch pipes 5 are sealed by the adjusting rod 6, the sliding plate 11 continues to move for a certain distance, the guide hole 53 gradually enters into the liquid outlet pipe 10, and finally the liquid outlet pipe 10 is completely opened.
As an embodiment, as shown in fig. 1, 2 and 3, the first opening and closing part includes:
a bottom plate 25 positioned below the partition plate 22, the bottom plate 25 being provided with a bottom hole 31 for passing the rotation shaft 8 therethrough, the bottom plate 25 being further provided with a plurality of through holes 24 penetrating the upper and lower surfaces thereof;
the plugs 27 are arranged on the upper surface of the bottom plate 25, the plugs 27 are in one-to-one correspondence with the through holes 24, the through holes 24 are positioned right above the corresponding plugs 27, and the diameter of the plugs 27 is equal to that of the through holes 24;
a lifting assembly for driving the bottom plate 25 to make lifting movement.
In the present embodiment, the bottom plate 25 is driven to move by the lifting assembly, the through holes 24 are closed when the plugs 27 enter the corresponding through holes 24, and the through holes 24 are opened when the plugs 27 are disengaged from the corresponding through holes 24.
As an embodiment, as shown in fig. 3 and 5, the lifting assembly includes:
the oxidation tank comprises a side ring plate 23 sleeved on the outer side surface of the oxidation tank 2 and an inner block 37 arranged on the inner side surface of the side ring plate 23, wherein the inner block 37 is rotationally connected with an outer ring groove 64 arranged on the outer side surface of the oxidation tank 2;
a plurality of side holes 39 arranged on the inner side surface of the lower cavity, wherein the side holes 39 penetrate through the outer side surface of the oxidation tank 2;
an extension plate 38 having one end fixed to a side surface of the bottom plate 25, the extension plate 38 passing through the side hole 39, and an outer side surface of the extension plate 38 being screw-coupled with an internal screw thread 40 provided at an inner side surface of the side ring plate 23;
a driving mechanism for driving the side ring plate 23 to rotate.
In this embodiment, when the driving mechanism drives the side ring plate 23 to rotate, the bottom plate 25 is driven to move up and down by the internal thread 40.
As an embodiment, as shown in fig. 3, 4, 5, 9, and 10, the driving mechanism includes:
the inner ring plate 28 and the supporting plate positioned below the inner ring plate 28, wherein the inner ring plate 28 is positioned in the lower cavity, the lower surface of the inner ring plate 28 is provided with a bottom ring groove 47, the bottom end of the supporting plate is fixed on the side wall of the lower cavity, and the top end of the supporting plate is rotationally connected with the bottom ring groove 47;
an axle 42 and a fourth gear 43 mounted on the axle 42, wherein one end of the axle 42 is rotatably connected with the bottom surface of the side hole 39, and the fourth gear 43 is meshed with an external gear ring arranged on the outer side surface of the inner ring plate 28;
an inner gear ring 41 provided on an inner side surface of the side ring plate 23, the inner gear ring 41 being engaged with the fourth gear 43;
the side rods 45 and the connecting rods 30 with the side surfaces fixedly connected with one ends of the side rods 45, the side rods 45 are provided with a plurality of pieces, and the other ends of the side rods 45 are in sliding connection with the inner sliding grooves 46 arranged on the inner side surface of the inner ring plate 28;
the bottom rod 29 with one end fixed on the bottom side surface of the connecting rod 30, the side surface of the rotating shaft 8 is provided with a first surface ring groove 33 and a linkage groove 32 corresponding to the bottom rod 29, the linkage groove 32 is positioned above the first surface ring groove 33, and the linkage groove 32 is communicated with the first surface ring groove 33;
the bottom ring plate 34 is sleeved on the first surface ring groove 33, the upper surface of the bottom ring plate 34 is in contact connection with the side surface of the bottom rod 29, and the bottom ring plate 34 is used for driving the end part of the bottom rod 29 extending to the first surface ring groove 33 to move into the linkage groove 32;
an inner rod 36 with one end fixed on the lower surface of the bottom ring plate 34, an inner hole 35 is arranged in the rotating shaft 8, and the inner rod 36 is in sliding connection with the inner hole 35;
the linkage ring plate 55, the side surface of the rotating shaft 8, which is positioned outside the oxidation tank 2, is provided with a second surface ring groove 57, the linkage ring plate 55 is sleeved on the second surface ring groove 57, the height of the second surface ring groove 57 is larger than that of the linkage ring plate 55, the inner hole 35 is communicated with the second surface ring groove 57, and the bottom of the inner rod 36 is rotationally connected with an end surface ring groove 56 arranged on the upper end surface of the linkage ring plate 55;
the driving cylinder 14 is a double-headed cylinder, one output shaft of the double-headed cylinder is fixedly connected with the push rod 61, and the other output shaft of the double-headed cylinder is positioned right below the lower surface of the linkage ring plate 55.
In this embodiment, during pushing the push rod 61 by the double-headed cylinder, the output shaft of the double-headed cylinder opposite to the lower side of the linkage ring plate 55 will gradually get away from the linkage ring plate 55, after the slide plate 11 moves to a proper position, the double-headed cylinder is started again, so that the output shaft of the double-headed cylinder opposite to the lower side of the linkage ring plate 55 will gradually move towards the linkage ring plate 55, at this time, the output shaft of the double-headed cylinder will not immediately contact with the linkage ring plate 55, after ensuring that the first spur rack is separated from the first gear 13, the output shaft of the double-headed cylinder contacts with the linkage ring plate 55, and finally pushes the inner rod 36 to move upwards, so that the end part of the bottom rod 29 located in the first surface ring groove 33 gradually enters the linkage groove 32 from the first surface ring groove 33, and when the end part of the bottom rod 29 enters the linkage groove 32, the inner ring plate 28 will be driven to rotate after the motor 9 is started, so as to drive the side ring plate 23 to rotate through the fourth gear 43, thereby achieving the purpose of driving the bottom plate 25 to move up and down.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the invention (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the invention, the steps may be implemented in any order and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present invention should be included in the scope of the present invention.

Claims (3)

1. The utility model provides a hydrogen peroxide solution dropwise add device in iron phosphate preparation, includes pressure filter (7), drain pipe (10) and top are equipped with oxidation jar (2) of feed liquor pipe (19), the one end of drain pipe (10) with the bottom intercommunication of oxidation jar (2), the import of pressure filter (7) communicates its characterized in that with the other end of drain pipe (10), hydrogen peroxide solution dropwise add device still includes:
the separation plate (22) is arranged in the oxidation tank (2), the separation plate (22) divides the oxidation tank (2) into an upper cavity and a lower cavity which are mutually independent, and the separation plate (22) is provided with a plurality of through holes (24) penetrating through the upper surface and the lower surface of the separation plate;
a first opening/closing portion for opening/closing the through hole (24);
the hydrogen peroxide treatment device comprises a vertical plate (1) and a guide pipe (3) arranged on the front side surface of the vertical plate (1), wherein the guide pipe (3) is used for conveying hydrogen peroxide;
the device comprises a first branch pipe (4) and a first nozzle (17) arranged on the outer side surface of the first branch pipe (4), wherein the first nozzle (17) is positioned in the upper cavity, an inlet of the first nozzle (17) is communicated with the inside of the first branch pipe (4), the first branch pipe (4) passes through a tank body of the oxidation tank (2), and one end of the first branch pipe (4) is communicated with the guide pipe (3);
the second branch pipe (5) and a second nozzle (18) are arranged on the outer side surface of the second branch pipe (5), the second nozzle (18) is positioned in the lower cavity, the inlet of the second nozzle (18) is communicated with the inside of the second branch pipe (5), the second branch pipe (5) passes through the tank body of the oxidation tank (2), and one end of the second branch pipe (5) is communicated with the guide pipe (3);
a second opening and closing part for opening and closing the second branch pipe (5);
a third opening and closing part for opening and closing the liquid outlet pipe (10);
the hydrogen peroxide dropwise adding device further comprises:
the motor (9) and the rotating shaft (8) with the bottom end fixed on the output shaft of the motor (9), the motor (9) is arranged on the front side surface of the vertical plate (1), the motor (9) is positioned right below the oxidation tank (2), the rotating shaft (8) penetrates through the bottom of the oxidation tank (2), the rotating shaft (8) extends into the oxidation tank (2), and the rotating shaft (8) is rotationally connected with the bottom of the oxidation tank (2);
a plurality of second stirring blades (21) with one end fixed on the side surface of the rotating shaft (8), wherein the second stirring blades (21) are positioned in the lower cavity;
the third opening and closing part includes:
a side groove (12) transversely arranged on the front side surface of the vertical plate (1);
a sliding plate (11) which is in sliding connection with the side groove (12), wherein a surface groove (16) is transversely arranged on the side surface of the sliding plate (11) facing the rotating shaft (8);
the gear comprises a first gear (13) and a toothed plate (15) positioned in the surface groove (16), wherein the first gear (13) is arranged on a rotating shaft (8), and a first straight rack matched with the first gear (13) is arranged on the side surface of the toothed plate (15) facing the rotating shaft (8);
a driving assembly for driving the toothed plate (15) to move inward of the surface groove (16) or to move outward of the surface groove (16) so that the first spur rack and the first gear (13) are separated from or engaged with each other;
the liquid discharge device comprises a fixed rod (51) and an outer sealing plate (52) with one end fixed on the side surface of the fixed rod (51), wherein one end of the fixed rod (51) is fixed on the lower surface of a sliding plate (11), the outer sealing plate (52) is provided with a guide hole (53) penetrating through the upper surface and the lower surface of the outer sealing plate, and the diameter of the guide hole (53) is equal to the inner diameter of a liquid discharge pipe (10);
the surface hole (54) penetrates through the side surface of the liquid outlet pipe (10), the surface hole (54) penetrates through the inner wall of the liquid outlet pipe (10), the outer sealing plate (52) is in sliding connection with the surface hole (54), and when the guide hole (53) is completely staggered with the liquid outlet pipe (10), the outer sealing plate (52) closes the liquid outlet pipe (10);
the drive assembly includes:
a driving cylinder (14) and a push rod (61) arranged on an output shaft of the driving cylinder (14), wherein the driving cylinder (14) is arranged on the front side surface of the vertical plate (1);
the device comprises an adjusting plate (59) and a through groove (58) arranged on the side surface of the sliding plate (11) facing the oxidation tank (2), wherein the adjusting plate (59) is in sliding connection with the through groove (58), an adjusting chute (60) is arranged on the side surface of the adjusting plate (59) facing the oxidation tank (2), the bottom end of a push rod (61) is in sliding connection with the adjusting chute (60), the through groove (58) is communicated with the surface groove (16), the side surface of the adjusting plate (59) facing the surface groove (16) is an inclined surface, and the inclined surface is inclined from top to bottom in the direction of the vertical plate (1);
the springs (62) are positioned in the surface grooves (16), the springs (62) are arranged at two ends of the toothed plate (15), one ends of the springs (62) are fixed on the side wall of the surface grooves (16) facing the outside, the other ends of the springs (62) are fixed on the bottom surface of the toothed plate (15), and when the inclined planes are positioned in the through grooves (58), the bottom surface of the toothed plate (15) moves to the lower side of the adjusting sliding groove (60) under the action of the springs (62);
the second opening and closing part includes:
the device comprises an adjusting rod (6) and a driving rod (63) with one end fixed at the bottom end of the adjusting rod (6), wherein the adjusting rod (6) penetrates through the bottom of the catheter (3), and the adjusting rod (6) is in sliding connection with the inner wall of the catheter (3);
an outer shaft (48) and a second gear (49) and a third gear (50) which are arranged on the outer shaft (48), wherein one end of the outer shaft (48) is rotationally connected with the front side surface of the vertical plate (1), the second gear (49) is meshed with a second straight rack arranged on the side surface of the driving rod (63), the third gear (50) is meshed with a third straight rack arranged on the outer side surface of the sliding plate (11), and when the adjusting rod (6) seals the second branch pipe (5), the guide hole (53) is positioned in the liquid outlet pipe (10) so that the liquid outlet pipe (10) is conducted; when the second branch pipe (5) is opened by the adjusting rod (6), the guide hole (53) is completely staggered with the liquid outlet pipe (10);
the first opening and closing part includes:
the bottom plate (25) is positioned below the partition plate (22), the bottom plate (25) is provided with a bottom hole (31) for allowing the rotating shaft (8) to pass through, and the bottom plate (25) is also provided with a plurality of through holes penetrating through the upper surface and the lower surface of the bottom plate;
the plugs (27) are arranged on the upper surface of the bottom plate (25), the plugs (27) are in one-to-one correspondence with the through holes (24) on the partition plate (22), the through holes (24) on the partition plate (22) are positioned right above the corresponding plugs (27), and the diameter of each plug (27) is equal to that of the through hole (24) on the partition plate (22);
the lifting assembly is used for driving the bottom plate (25) to do lifting motion;
the lifting assembly includes:
the device comprises a side ring plate (23) sleeved on the outer side surface of the oxidation tank (2) and an inner block (37) arranged on the inner side surface of the side ring plate (23), wherein the inner block (37) is rotationally connected with an outer ring groove (64) arranged on the outer side surface of the oxidation tank (2);
a plurality of side holes (39) are arranged on the inner side surface of the lower cavity, and the side holes (39) penetrate through the outer side surface of the oxidation tank (2);
an extension plate (38) with one end fixed on the side surface of the bottom plate (25), wherein the extension plate (38) passes through the side hole (39), and the outer side surface of the extension plate (38) is in threaded connection with an internal thread (40) arranged on the inner side surface of the side ring plate (23);
a driving mechanism for driving the side ring plate (23) to rotate;
the driving mechanism includes:
the inner ring plate (28) and a stay bar (44) positioned below the inner ring plate (28), wherein the inner ring plate (28) is positioned in the lower cavity, a bottom ring groove (47) is formed in the lower surface of the inner ring plate (28), the bottom end of the stay bar (44) is fixed on the side wall of the lower cavity, and the top end of the stay bar (44) is rotationally connected with the bottom ring groove (47);
the wheel axle (42) and a fourth gear (43) arranged on the wheel axle (42), one end of the wheel axle (42) is rotationally connected with the bottom surface of the side hole (39), and the fourth gear (43) is meshed with an external gear ring arranged on the outer side surface of the inner ring plate (28);
an inner gear ring (41) arranged on the inner side surface of the side ring plate (23), wherein the inner gear ring (41) is meshed with the fourth gear (43);
the side rods (45) and the connecting rods (30) with the side surfaces fixedly connected with one ends of the side rods (45), the side rods (45) are provided with a plurality of side rods, and the other ends of the side rods (45) are in sliding connection with inner sliding grooves (46) arranged on the inner side surfaces of the inner ring plates (28);
the bottom rod (29) is fixed on the side surface of the bottom of the connecting rod (30), a first surface annular groove (33) and a linkage groove (32) corresponding to the bottom rod (29) are arranged on the side surface of the rotating shaft (8), the linkage groove (32) is positioned above the first surface annular groove (33), and the linkage groove (32) is communicated with the first surface annular groove (33);
the bottom ring plate (34) is sleeved on the first surface ring groove (33), the upper surface of the bottom ring plate (34) is in contact connection with the side surface of the bottom rod (29), and the bottom ring plate (34) is used for driving the end part of the bottom rod (29) extending to the first surface ring groove (33) to move into the linkage groove (32);
an inner rod (36) with one end fixed on the lower surface of the bottom ring plate (34), an inner hole (35) is arranged in the rotating shaft (8), and the inner rod (36) is in sliding connection with the inner hole (35);
the linkage ring plate (55), the side surface of the rotating shaft (8) positioned outside the oxidation tank (2) is provided with a second surface ring groove (57), the linkage ring plate (55) is sleeved on the second surface ring groove (57), the height of the second surface ring groove (57) is larger than that of the linkage ring plate (55), the inner hole (35) is communicated with the second surface ring groove (57), and the bottom of the inner rod (36) is rotationally connected with an end surface ring groove (56) arranged on the upper end surface of the linkage ring plate (55);
the driving cylinder (14) is a double-head cylinder, one output shaft of the double-head cylinder is fixedly connected with the push rod (61), and the other output shaft of the double-head cylinder is positioned right below the lower surface of the linkage annular plate (55).
2. The hydrogen peroxide dripping device in the preparation of the ferric phosphate according to claim 1, further comprising a plurality of first stirring blades (20) positioned in the upper cavity, wherein the rotating shaft (8) penetrates through the partition plate (22), the rotating shaft (8) extends into the upper cavity, the rotating shaft (8) is rotationally connected with the partition plate (22), a sealing ring is arranged at the rotational connection part of the rotating shaft (8) and the partition plate (22), and one end of each first stirring blade (20) is fixed on the side surface of the rotating shaft (8).
3. The use method of the hydrogen peroxide dropwise adding device in the preparation of the ferric phosphate as defined in claim 1 or 2 is characterized by comprising the following steps:
step one: the third opening and closing part closes the liquid outlet pipe (10), the first opening and closing part opens the through hole (24) on the partition plate (22), the ferrous dihydrogen phosphate solution enters the upper cavity through the liquid inlet pipe (19) and enters the lower cavity through the through hole (24) on the partition plate (22), and after enough ferrous dihydrogen phosphate solution is introduced into the lower cavity, the first opening and closing part closes the through hole (24) on the partition plate (22) so that the ferrous dihydrogen phosphate solution starts to enter the upper cavity;
step two: the second opening and closing part opens the second branch pipe (5), then hydrogen peroxide is introduced into the guide pipe (3), so that the hydrogen peroxide entering the first branch pipe (4) is dripped into the upper cavity through the first nozzle (17) to oxidize ferrous dihydrogen phosphate solution in the upper cavity, and the hydrogen peroxide entering the second branch pipe (5) is dripped into the upper cavity through the second nozzle (18) to oxidize ferrous dihydrogen phosphate solution in the lower cavity;
step three: after ferrous dihydrogen phosphate in the lower cavity is completely oxidized into ferric phosphate, the second opening and closing part closes the second branch pipe (5), and the third opening and closing part opens the liquid outlet pipe (10), so that the solution containing ferric phosphate in the lower cavity can enter the filter press (7) along the liquid outlet pipe (10) for filtering;
step four: after the solution containing ferric phosphate in the lower cavity is completely filtered, the liquid outlet pipe (10) is closed by the third opening and closing part, the through hole (24) on the partition plate (22) is opened by the first opening and closing part, so that the mixed liquid containing ferrous dihydrogen phosphate solution and ferric phosphate in the upper cavity enters the lower cavity, then the second branch pipe (5) is opened by the second opening and closing part, and after the lower cavity is filled with enough liquid, the through hole (24) on the partition plate (22) is closed by the first opening and closing part;
step five: repeating the third step to the fourth step until the preset iron phosphate yield is reached.
CN202310347196.0A 2023-04-04 2023-04-04 Hydrogen peroxide dropwise adding device in preparation of ferric phosphate and application method thereof Active CN116159522B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160258265A1 (en) * 2013-10-30 2016-09-08 Enn Coal Gasification Mining Co. Nozzle and underground coal gasification method
CN112569893A (en) * 2021-03-01 2021-03-30 山东亚邦化工科技有限公司 Gasification sulfur trioxide dehydration is with cyclization cauldron
CN115385322A (en) * 2022-10-31 2022-11-25 沧州彩客新能源有限公司 Preparation method and system of lithium iron phosphate anode material
CN218131869U (en) * 2022-08-18 2022-12-27 山东隆升环境科技有限公司 Acid-base neutralization adjusting device for preparing ferroferric oxide from ferrous sulfate

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160258265A1 (en) * 2013-10-30 2016-09-08 Enn Coal Gasification Mining Co. Nozzle and underground coal gasification method
CN112569893A (en) * 2021-03-01 2021-03-30 山东亚邦化工科技有限公司 Gasification sulfur trioxide dehydration is with cyclization cauldron
CN218131869U (en) * 2022-08-18 2022-12-27 山东隆升环境科技有限公司 Acid-base neutralization adjusting device for preparing ferroferric oxide from ferrous sulfate
CN115385322A (en) * 2022-10-31 2022-11-25 沧州彩客新能源有限公司 Preparation method and system of lithium iron phosphate anode material

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