Sodium fluoride slurry separation equipment

By designing and using the filter and regulating components in combination, the automatic cleaning of the filter screen and the stabilization of the filtration speed in the sodium fluoride slurry separation equipment are achieved, solving the problem of reduced filtration speed caused by filter screen clogging and ensuring continuous operation of the equipment.

CN223747136UActive Publication Date: 2026-01-02BINZHOU AOXIANG CHEM CO LTD
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Patent Information

Application Number
CN202520124762.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-01-02
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

In existing sodium fluoride slurry separation equipment, fine sodium fluoride particles gradually accumulate on the filter screen surface, resulting in a reduction in the effective filtration area of ​​the filter screen and a gradual decrease in the filtration speed.

Method used

A sodium fluoride slurry separation device including a filter assembly and an adjustment assembly was designed. The vertical reciprocating motion of the filter screen is achieved by the coordinated movement of the push ring and the limit ring driven by the cylinder, the damping spring is squeezed to maintain the filtration speed, and the inner wall of the reactor is cleaned by the scraper to prevent clogging.

Benefits of technology

It effectively prevents filter clogging, maintains stable filtration speed, and facilitates filter replacement and cleaning of the inner wall of the reactor, thus solving the problem of gradually decreasing filtration speed.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of chemical industry, and discloses sodium fluoride slurry separation equipment which comprises a reaction kettle, a sealing cover is in threaded connection with the upper part of the reaction kettle, a motor is fixedly connected with the upper part of the middle part of the sealing cover, a positioning sleeve penetrating through the sealing cover is arranged on the side wall of the motor, and a feeding sleeve is inserted into the upper part of the positioning sleeve; a filtering assembly is arranged above the positioning sleeve and is used for filtering the sodium fluoride slurry; an adjusting assembly is arranged in the reaction kettle and is used for cleaning the inner wall of the reaction kettle; the filter assembly comprises a groove formed in the positioning sleeve, limiting rods are symmetrically and fixedly arranged at the two ends of the groove, damping springs sleeve the limiting rods, limiting rings sleeve the limiting rods and are located above the damping springs, and a filter screen is fixedly arranged between the two limiting rings and is inserted into the positioning sleeve; through the filtering assembly, the problem that fine-particle sodium fluoride is accumulated on the surface of a filter screen, so that the effective filtering area of the filter screen is continuously reduced, and the filtering speed is gradually reduced is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of chemical industry, concretely is a kind of sodium fluoride slurry separation equipment. BACKGROUND

[0002] Sodium fluoride is an inorganic compound, mainly applied in coating industry as phosphating accelerator, agricultural insecticide, sealing material, preservative and each field, can be used as agricultural insecticide, has bactericidal effect, as wood preservative, water treatment agent, ceramic pigment, the manufacture of boiling steel, light metal fluoride salt treatment agent, smelting refining and as protective layer, used as UF3 adsorbent in nuclear industry, in sealing material, brake pad production increases wear resistance, mechanical sheet planer steel insert increases welding strength, as phosphating accelerator in coating industry, makes phosphating liquid stable, phosphating is refined, improves phosphating film performance.

[0003] The existing sodium fluoride slurry separation equipment has the following disadvantages: the solid particles in the sodium fluoride slurry can block the filter screen of the filter, since the particle size of the sodium fluoride crystals is not uniform during the formation process, the smaller particles can easily embed in the pores of the filter screen, and the fine particles of sodium fluoride can gradually accumulate on the surface and inside the pores of the filter screen, so that the effective filtering area of the filter screen is continuously reduced, resulting in a gradual reduction in the filtering speed. SUMMARY

[0004] The utility model aims at providing a kind of sodium fluoride slurry separation equipment to solve the above-mentioned background technology fine particle sodium fluoride gradually accumulated on the surface of filter screen, so that the effective filtering area of the filter screen is continuously reduced, resulting in a gradual reduction in the filtering speed problem.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of sodium fluoride slurry separation equipment, including reaction kettle, reaction kettle upper portion is connected with cover, the upper portion of the middle part of cover is fixedly connected with motor, the side wall of motor is equipped with the positioning sleeve that penetrates cover, positioning sleeve top is inserted with feed sleeve;

[0006] The positioning sleeve is provided with a filter assembly for filtering the sodium fluoride slurry;

[0007] An adjusting assembly is arranged in the reaction kettle for cleaning the inner wall of the reaction kettle;

[0008] The filter assembly includes a groove opened in the positioning sleeve, a limiting rod is symmetrically fixed at both ends of the groove, a damping spring is sleeved on the limiting rod, a limiting ring adapted to the limiting rod is arranged above the damping spring, a filter screen is arranged between the two limiting rings and is inserted into the positioning sleeve, a cavity is symmetrically arranged below the feed sleeve, a gas cylinder is detachably installed in the cavity, a pushing ring is detachably installed at the end of the gas cylinder, and the pushing ring is arranged above the limiting ring.

[0009] Preferably, the adjusting assembly comprises a stirring rod arranged in the reaction kettle, the motor output shaft penetrates the reaction kettle, the output shaft of the motor is fixedly connected with the stirring rod, the stirring rod is symmetrically provided with sleeves, and the sleeves are provided with six groups; a connecting shaft is inserted in the sleeve; a scraper is fixedly connected at the end of the connecting shaft; a fixed shaft is inserted in the sleeve; a gear is rotatably connected on the fixed shaft; a driving sleeve is fixedly connected on the gear and penetrates the sleeve; and a tooth groove adapted to the gear is formed in the connecting shaft.

[0010] Preferably, the positioning sleeve is provided with two groups and symmetrically arranged on both sides of the motor, and the diameter of the positioning sleeve is the same as that of the feeding sleeve.

[0011] Preferably, a drainage cylinder is inserted below the side wall of the reaction kettle, and a sealing cover is threadedly connected on the drainage cylinder.

[0012] Preferably, the limiting rod is inserted in the cavity, and a through hole for the limiting rod to vertically slide is formed in the pushing ring.

[0013] Preferably, a limiting groove for the connecting shaft to horizontally slide is formed in the sleeve, and a sealing gasket is bonded in the limiting groove and arranged above and below the connecting shaft.

[0014] Preferably, the scraper is arc-shaped as a whole, and the curvature of the scraper is adapted to that of the inner wall of the reaction kettle.

[0015] Compared with the prior art, the present utility model has the advantages that:

[0016] 1. In the present utility model, the sodium fluoride slurry is injected into the feeding sleeve, the driving cylinder is driven, the pushing ring is driven by the cylinder, the limiting ring is pushed downward by the pushing ring, the limiting ring vertically moves in the limiting rod, the pushing ring vertically moves on the limiting rod through the through hole, the filter screen is driven by the limiting ring, the filter screen vertically reciprocates in the groove, the filter screen extrudes the damping spring when moving, the spring generates a reaction force after being extruded, and the spring provides damping when being extruded, so that the sodium fluoride slurry on the filter screen quickly passes through the filter screen and enters the reaction kettle, when the effective filtering area of the filter screen continuously decreases, the sodium fluoride slurry is injected into another feeding sleeve, thereby filtering the sodium fluoride slurry and replacing the clogged filter screen, and the problem that fine particles of sodium fluoride accumulate on the surface of the filter screen, the effective filtering area of the filter screen continuously decreases, and the filtering speed gradually decreases is solved.

[0017] 2、 The utility model discloses, sodium fluoride particle surface has electric charge or has certain adsorbability, rotation drive cover, drive cover drive gear, gear rotates on fixed shaft, gear tooth drive tooth groove when rotating, tooth groove drive connecting shaft, connecting shaft slide horizontally in limit groove, and connecting shaft drives the scraper, and makes the scraper adhere in the reaction kettle inner wall, and motor drives the stirring rod, and the stirring rod drives the connecting shaft through the sleeve, and the connecting shaft drives the scraper, and the scraper is scraped to the sodium fluoride slurry adhered in the reaction kettle inner wall, and it is convenient to clean the reaction kettle inner wall, and through the adjusting assembly, it is convenient to clean the reaction kettle inner wall. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model proposes a whole structure schematic diagram of sodium fluoride slurry separation equipment;

[0019] Figure 2 The utility model proposes a filter assembly partial structure schematic diagram of sodium fluoride slurry separation equipment;

[0020] Figure 3 The utility model proposes a cavity extension structure schematic diagram of sodium fluoride slurry separation equipment;

[0021] Figure 4 The utility model proposes a reaction kettle internal extension structure schematic diagram of sodium fluoride slurry separation equipment;

[0022] Figure 5 The utility model proposes a A place extension structure schematic diagram of sodium fluoride slurry separation equipment.

[0023] In the drawing: 1, reaction kettle;2, cover;3, motor;4, positioning cover;5, feed cover;6, adjusting assembly;601, stirring rod;602, sleeve;603, connecting shaft;604, drive cover;605, scraper;606, tooth groove;607, limit groove;608, gear;609, fixed shaft;610, sealing gasket;7, filter assembly;701, recess;702, limit rod;703, damping spring;704, filter screen;705, limit ring;706, cavity;707, pneumatic cylinder;708, push ring;709, through -hole;8, drainage cylinder;9, sealing cover. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] Example one

[0026] Please refer to Figure 1 - Figure 5 , one of the fluorinated sodium slurry separation equipment, including the reaction kettle, the reaction kettle 1 is threadedly connected with the cover 2, the upper part of the middle part of the cover 2 is fixedly connected with the motor 3, the side wall of the motor 3 is provided with the positioning sleeve 4 penetrating through the cover 2, the positioning sleeve 4 is provided with two groups and symmetrically arranged on both sides of the motor 3, the diameter size of the positioning sleeve 4 is same with the diameter size of the feeding sleeve 5, when the effective filtering area of the filter screen 704 is continuously reduced, the fluorinated sodium slurry is injected into another feeding sleeve 5, so as to filter the fluorinated sodium slurry and replace the clogged filter screen 704, ensure that the work is carried out without stopping, the positioning sleeve 4 is inserted with the feeding sleeve 5 at the top, the drainage cylinder 8 is inserted at the lower part of the side wall of the reaction kettle 1, the sealing cover 9 is threadedly connected with the drainage cylinder 8; by rotating the sealing cover 9, the liquid in the reaction kettle 1 can be quickly discharged from the drainage cylinder 8;

[0027] The positioning sleeve 4 is provided with the filtering assembly 7 for filtering the fluorinated sodium slurry;

[0028] The filtering assembly 7 comprises the groove 701 opened on the positioning sleeve 4, the limiting rods 702 are symmetrically and fixedly arranged at both ends of the groove 701, the damping springs 703 are sleeved on the limiting rods 702, the limiting rings 705 are sleeved on the limiting rods 702 and located above the damping springs 703, the filter screens 704 are arranged between the two limiting rings 705 and inserted on the positioning sleeve 4, the cavities 706 are symmetrically arranged below the feeding sleeve 5, the cylinders 707 are detachably installed in the cavities 706, the pushing rings 708 are detachably installed at the end portions of the cylinders 707, the pushing rings 708 are arranged above the limiting rings 705, the limiting rods 702 are inserted in the cavities 706, and the through holes 709 are arranged in the pushing rings 708 for the limiting rods 702 to vertically slide; the limiting rods 702 vertically move in the through holes 709 in the pushing rings 708, the limiting rings 705 drive the filter screens 704, and the filter screens 704 vertically reciprocate in the groove 701.

[0029] The adjusting assembly 6 is arranged in the reaction kettle 1 for cleaning the inner wall of the reaction kettle 1;

[0030] The adjusting assembly 6 comprises a stirring rod 601 arranged in the reaction kettle 1, the output shaft of the motor 3 penetrates the reaction kettle 1, and the output shaft of the motor 3 is fixedly connected with the stirring rod 601, a sleeve 602 is symmetrically arranged on the stirring rod 601, and the sleeve 602 is provided with six groups, a connecting shaft 603 is inserted in the sleeve 602, a scraper 605 is fixedly connected at the end of the connecting shaft 603, the scraper 605 is arc-shaped as a whole and the curvature of the scraper is matched with the curvature of the inner wall of the reaction kettle 1; the connecting shaft 603 drives the scraper 605, the scraper 605 scrapes off the sodium fluoride slurry adhered to the inner wall of the reaction kettle 1, a fixing shaft 609 is inserted in the sleeve 602, a gear 608 is rotatably connected on the fixing shaft 609, a driving sleeve 604 is fixedly connected on the gear 608 and penetrates the sleeve 602, and a tooth groove 606 matched with the gear 608 is formed in the connecting shaft 603.

[0031] A limiting groove 607 for horizontal sliding of the connecting shaft 603 is formed in the sleeve 602, sealing pads 610 are bonded in the limiting groove 607, and the sealing pads 610 are provided with two groups and are arranged above and below the connecting shaft 603; the sealing pads 610 arranged above and below the connecting shaft 603 prevent the sodium fluoride slurry from being injected into the limiting groove 607.

[0032] Working principle:

[0033] In use, the sodium fluoride slurry is injected into the feeding sleeve 5, the driving cylinder 707 is driven, the cylinder 707 vertically reciprocates and drives the pushing ring 708, the pushing ring 708 pushes the limiting ring 705 to move downward, the limiting ring 705 vertically moves in the limiting rod 702, the pushing ring 708 vertically moves on the limiting rod 702 through the through hole 709, the limiting ring 705 drives the filter screen 704, the filter screen 704 vertically reciprocates in the groove 701, the filter screen 704 extrudes the damping spring 703 when moving, the spring generates a reaction force after being extruded, and the spring provides damping when being extruded, so that the sodium fluoride slurry on the filter screen 704 quickly passes through the filter screen 704 and enters the reaction kettle 1, when the effective filtering area of the filter screen 704 continuously decreases, the sodium fluoride slurry is injected into another feeding sleeve 5, so that the sodium fluoride slurry is filtered and the clogged filter screen 704 is replaced, through the filtering assembly 7, the problem that fine particles of sodium fluoride accumulate on the surface of the filter screen 704, the effective filtering area of the filter screen 704 continuously decreases, and the filtering speed gradually decreases is solved.

[0034] The surface of the sodium fluoride particles is charged or has certain adsorptivity, the driving sleeve 604 is rotated, the driving sleeve 604 drives the gear 608, the gear 608 rotates on the fixed shaft 609, the gear 608 drives the tooth groove 606 when rotating, the tooth groove 606 drives the connecting shaft 603, the connecting shaft 603 slides horizontally in the limiting groove 607, the connecting shaft 603 drives the scraper 605, so that the scraper 605 is attached to the inner wall of the reaction kettle 1, the motor 3 drives the stirring rod 601, the stirring rod 601 drives the connecting shaft 603 through the sleeve 602, the connecting shaft 603 drives the scraper 605, the scraper 605 scrapes the sodium fluoride slurry attached to the inner wall of the reaction kettle 1, and the inner wall of the reaction kettle 1 is conveniently cleaned.

[0035] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and deform in various ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A sodium fluoride slurry separation apparatus comprising a reactor vessel (1) characterised in that: The upper portion of the cover (2) is fixedly connected with a motor (3), and the side wall of the motor (3) is provided with a positioning sleeve (4) penetrating through the cover (2). A filtering assembly (7) is arranged on the positioning sleeve (4) and used for filtering the sodium fluoride slurry. An adjusting assembly (6) is arranged in the reaction kettle (1) and used for cleaning the inner wall of the reaction kettle (1). The filtering assembly (7) comprises a groove (701) formed in the positioning sleeve (4), two limit rods (702) symmetrically and fixedly arranged at the two ends of the groove (701), a damping spring (703) sleeved on the limit rod (702), a limit ring (705) arranged above the damping spring (703) and matched with the limit rod (702), a filter screen (704) arranged between the two limit rods (702) and inserted into the positioning sleeve (4), and a cavity (706) symmetrically formed below the feeding sleeve (5), wherein a gas cylinder (707) is detachably installed in the cavity (706), a pushing ring (708) is detachably installed at the end of the gas cylinder (707), and the pushing ring (708) is arranged above the limit ring (705).

2. A sodium fluoride slurry separation apparatus according to claim 1, wherein: The adjusting assembly (6) comprises a stirring rod (601) arranged in the reaction kettle (1), wherein the output shaft of the motor (3) penetrates through the reaction kettle (1), the output shaft of the motor (3) is fixedly connected with the stirring rod (601), the stirring rod (601) is symmetrically provided with six sleeves (602), the sleeve (602) is provided with a connecting shaft (603) inserted thereinto, a scraper (605) is fixedly connected to the end of the connecting shaft (603), a fixing shaft (609) is inserted into the sleeve (602), a gear (608) is rotatably connected to the fixing shaft (609), a driving sleeve (604) is fixedly connected to the gear (608) and penetrates through the sleeve (602), and a tooth groove (606) matched with the gear (608) is formed in the connecting shaft (603).

3. A sodium fluoride slurry separation apparatus according to claim 1, wherein: The positioning sleeve (4) is provided with two groups and symmetrically arranged on the two sides of the motor (3), and the diameter of the positioning sleeve (4) is the same as that of the feeding sleeve (5).

4. A sodium fluoride slurry separation apparatus according to claim 1, wherein: A drainage cylinder (8) is inserted into the lower portion of the side wall of the reaction kettle (1), and a sealing cover (9) is threadedly connected to the drainage cylinder (8).

5. A sodium fluoride slurry separation apparatus according to claim 1, wherein: The limit rod (702) is inserted into the cavity (706), and a through hole (709) is formed in the pushing ring (708) and used for vertical sliding of the limit rod (702).

6. A sodium fluoride slurry separation apparatus according to claim 2, wherein: A limiting groove (607) is formed in the sleeve (602) and used for horizontal sliding of the connecting shaft (603), and a sealing gasket (610) is bonded in the limiting groove (607).

7. A sodium fluoride slurry separation apparatus according to claim 2, wherein: The scraper (605) is arc-shaped, and the curvature of the scraper (605) is matched with the curvature of the inner wall of the reaction kettle (1).