Pretreatment device for phosphogypsum

By installing a crushing box and a rotating screen in the phosphogypsum pretreatment device, the problem of soluble impurities caused by phosphogypsum agglomeration is solved, thereby improving the washing effect of phosphogypsum and making cleaning more convenient.

CN223875179UActive Publication Date: 2026-02-06SICHUAN HONGSEN LANGCHEN ECOLOGICAL ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520336431.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-02-06
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

In the existing technology, the clumping of phosphogypsum blocks makes it difficult to effectively remove soluble impurities, thus affecting the washing effect.

Method used

A pretreatment device including a phosphogypsum crushing box and a rotating screen box was designed. The crushing component breaks up the phosphogypsum blocks, and the rotating motor drives the screen box to rotate, so that the sprayed water can fully contact the phosphogypsum and improve the washing effect.

Benefits of technology

It effectively reduces the volume of phosphogypsum blocks, promotes the rapid removal of soluble impurities, improves washing efficiency, and facilitates subsequent cleaning of residues.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pretreatment device for ardealite, which belongs to the field of ardealite and comprises an ardealite washing tank, a top cover is movably sleeved outside the top end of the ardealite washing tank, an ardealite crushing tank is arranged at the top of the top cover, and a crushing component is arranged in the ardealite crushing tank; according to the pretreatment device for ardealite, by arranging the ardealite crushing box and the crushing assembly, ardealite waste residues can be conveniently crushed and scattered before being washed, the size of the ardealite waste residues can be effectively reduced, and by arranging the rotating motor, a net box can be driven to rotate, so that the ardealite waste residues in the net box are scattered due to stress; according to the phosphogypsum waste residue spraying device, sprayed water can make full contact with phosphogypsum waste residues, soluble impurities contained in the phosphogypsum waste residues can be rapidly removed, the washing effect of the phosphogypsum waste residues is improved, and therefore convenience is brought to washing of the phosphogypsum waste residues.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of phosphogypsum, and particularly relates to a pretreatment device for phosphogypsum. BACKGROUND

[0002] Phosphogypsum, also known as phosphogypsum waste residue, is an industrial by-product gypsum produced in the production of high-concentration phosphate compound fertilizer, and the color of the phosphogypsum is usually grayish white or grayish black. In the process of phosphogypsum recycling, in order to remove the soluble impurities in the phosphogypsum, a pretreatment device is usually used for water washing processing.

[0003] According to the pretreatment device for industrial waste phosphogypsum with the authorization announcement number CN220574148U, it can be known that the patent is the known prior art, and the patent has the advantages that the cleaning water can be uniformly sprayed, thereby improving the water washing effect of the phosphogypsum. However, the technical scheme of the patent still has the following defects in the actual use process: when the phosphogypsum blocks fall on the filter screen for flushing, since some phosphogypsum blocks are large in size due to caking, the soluble impurities contained in the phosphogypsum blocks are difficult to be effectively removed quickly by the sprayed water, thereby bringing inconvenience to the water washing of the phosphogypsum. Therefore, the present application provides a pretreatment device for phosphogypsum. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a pretreatment device for phosphogypsum to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a pretreatment device for phosphogypsum, comprising a phosphogypsum washing box, a top cover movably sleeved outside the top end of the phosphogypsum washing box, a phosphogypsum crushing box arranged on the top of the top cover, and a crushing assembly arranged in the phosphogypsum crushing box.

[0006] A support block is fixedly connected inside the phosphogypsum washing box, and a mesh box is movably sleeved inside the phosphogypsum washing box. A spraying assembly is arranged on the bottom of the top cover, and a rotating assembly is arranged on the bottom of the mesh box.

[0007] As a preferred embodiment, the top of the phosphogypsum crushing box is movably sleeved with a feeding plug, and the bottom of the phosphogypsum crushing box is fixedly connected with the middle part of the top cover through a discharging pipe.

[0008] As a preferred embodiment, the crushing assembly comprises a driving shaft movably sleeved inside the phosphogypsum crushing box, a driving motor fixedly connected to one end of the driving shaft, and a crushing blade fixedly connected to the outside of the driving shaft.

[0009] As a preferred implementation form, the spraying assembly comprises a water conveying sleeve fixedly connected to the bottom of the top cover, and a water inlet pipe fixedly connected to the top of the water conveying sleeve, wherein the outside of the water inlet pipe is fixedly installed with a water inlet valve, and the bottom of the water conveying sleeve is fixedly installed with a spray head.

[0010] As a preferred implementation form, the rotating assembly comprises a rotating shaft movably sleeved to the bottom of the phosphogypsum washing tank, and the top end of the rotating shaft is fixedly connected to the bottom of the mesh box, the bottom end of the rotating shaft is fixedly connected with a rotating motor, and the outside of the rotating motor is fixedly sleeved with a protective cover.

[0011] As a preferred implementation form, the bottom of the phosphogypsum washing tank is fixedly connected with a liquid discharge pipe, the outside of the liquid discharge pipe is fixedly installed with a liquid discharge valve, one side of the top cover is fixedly connected with a mounting block, and the bottom of the mounting block is fixedly connected with an electric push rod.

[0012] Compared with the prior art, the phosphogypsum pretreatment device has the following beneficial effects:

[0013] The phosphogypsum pretreatment device can facilitate the crushing and scattering of the phosphogypsum waste residue before washing, effectively reduce the volume of the phosphogypsum waste residue, and drive the mesh box to rotate through the rotating motor, so that the phosphogypsum waste residue in the mesh box is scattered due to stress, and the sprayed water can fully contact the phosphogypsum waste residue, thereby rapidly removing the soluble impurities contained in the phosphogypsum waste residue and improving the washing effect of the phosphogypsum waste residue, thereby facilitating the washing of the phosphogypsum waste residue.

[0014] The phosphogypsum pretreatment device can facilitate the washing of the phosphogypsum waste residue before treatment, and facilitate the opening of the top cover after the washing of the phosphogypsum waste residue is completed, so that the staff can take out and clean the residual phosphogypsum waste residue in the mesh box in the phosphogypsum washing tank. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a front view of the structure of the utility model;

[0016] Figure 2 is a partial sectional view of the structure of the utility model;

[0017] Figure 3 is a top view of the mesh box in the structure of the utility model;

[0018] Figure 4 is a top view of the water conveying sleeve in the structure of the utility model.

[0019] In the figure: 1, phosphogypsum washing box; 2, top cover; 3, phosphogypsum crushing box; 4, crushing assembly; 41, drive shaft; 42, drive motor; 43, crushing blade; 5, discharge pipe; 6, supporting block; 7, net box; 8, spraying assembly; 81, water delivery sleeve; 82, water inlet pipe; 83, spray head; 9, rotating assembly; 91, rotating shaft; 92, rotating motor; 93, protective cover; 10, liquid discharge pipe; 11, mounting block; 12, electric push rod. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with examples.

[0021] The following examples are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements of the method of the utility model under the concept of the utility model all belong to the range required to be protected by the utility model.

[0022] Please refer to Figure 1 and Figure 2 The utility model provides a kind of for the pretreatment device of phosphogypsum, including phosphogypsum washing box 1, the outside of phosphogypsum washing box 1 top end is movably sleeved with top cover 2, and the top of top cover 2 is provided with phosphogypsum crushing box 3, and the inside of phosphogypsum crushing box 3 is provided with crushing assembly 4, and crushing assembly 4 includes drive shaft 41, and drive shaft 41 is movably sleeved in the inside of phosphogypsum crushing box 3, and one end of drive shaft 41 is fixedly connected with drive motor 42, and the outside of drive shaft 41 is fixedly connected with crushing blade 43, and the top of phosphogypsum crushing box 3 is movably sleeved with feeding plug, and the bottom of phosphogypsum crushing box 3 is fixedly connected with the middle part of top cover 2 by discharge pipe 5;

[0023] In the embodiment, when opening drive motor 42, drive shaft 41 is rotated, and drive shaft 41 drives crushing blade 43 to rotate, and then feeding plug is opened upwards, phosphogypsum waste residue is added into the inside of phosphogypsum crushing box 3 from feeding plug, so that phosphogypsum waste residue contacts with crushing blade 43, which is convenient for crushing and scattering phosphogypsum waste residue, can effectively reduce the volume of phosphogypsum waste residue, and the phosphogypsum waste residue after crushing and scattering enters into the inside of phosphogypsum washing box 1 along discharge pipe 5.

[0024] Please refer to Figure 2 , Figure 3 and Figure 4The inside of the phosphogypsum washing box 1 is fixedly connected with a supporting block 6, and the inside of the phosphogypsum washing box 1 movably sleeves a mesh box 7, the bottom of the top cover 2 is provided with a spraying assembly 8, the spraying assembly 8 comprises a water conveying sleeve 81, the water conveying sleeve 81 is fixedly connected to the bottom of the top cover 2, and the top of the water conveying sleeve 81 is fixedly connected with a water inlet pipe 82, the outside of the water inlet pipe 82 is fixedly installed with a water inlet valve, and the bottom of the water conveying sleeve 81 is fixedly installed with a spray head 83, the bottom of the mesh box 7 is provided with a rotating assembly 9, the rotating assembly 9 comprises a rotating shaft 91, the rotating shaft 91 movably sleeves the bottom of the phosphogypsum washing box 1, and the top end of the rotating shaft 91 is fixedly connected with the bottom of the mesh box 7, the bottom end of the rotating shaft 91 is fixedly connected with a rotating motor 92, and the outside of the rotating motor 92 is fixedly sleeved with a protective cover 93.

[0025] In the embodiment, when the broken and scattered phosphogypsum waste residue falls into the inside of the mesh box 7, the water inlet valve is opened, so that water flows into the inside of the water conveying sleeve 81 along the water inlet pipe 82 and is sprayed out from the spray head 83, at the same time, the rotating motor 92 is opened, so that the rotating shaft 91 rotates and drives the mesh box 7 to rotate, so that the phosphogypsum waste residue in the mesh box 7 can be scattered due to stress, so that the sprayed water can fully contact the phosphogypsum waste residue, thereby facilitating water washing of the phosphogypsum waste residue and quickly removing the soluble impurities contained in the phosphogypsum waste residue, thereby improving the water washing effect of the phosphogypsum waste residue.

[0026] Please refer to Figure 1 and Figure 2 The bottom of the phosphogypsum washing box 1 is fixedly connected with a liquid discharge pipe 10, the outside of the liquid discharge pipe 10 is fixedly installed with a liquid discharge valve, one side of the top cover 2 is fixedly connected with a mounting block 11, and the bottom of the mounting block 11 is fixedly connected with an electric push rod 12.

[0027] In the embodiment, when the phosphogypsum waste residue is water washed, the liquid discharge valve is opened, and the liquid gathered at the bottom of the inner cavity of the phosphogypsum washing box 1 can be discharged by the liquid discharge pipe 10, thereby facilitating subsequent collection of the water washing liquid, and when the water washing of the phosphogypsum waste residue is completed, the electric push rod 12 is started to extend, and the electric push rod 12 drives the top cover 2 to vertically move upward by the mounting block 11, so that the top cover 2 is separated from the phosphogypsum washing box 1, thereby facilitating taking and cleaning the residual phosphogypsum waste residue on the mesh box 7 in the phosphogypsum washing box 1.

[0028] The working principle and use process of the utility model: first open drive motor 42, make drive shaft 41 rotate, and drive shaft 41 will drive broken blade 43 to rotate, again open feeding plug, add phosphogypsum waste residue from the feeding plug to the inside of phosphogypsum crushing box 3, make phosphogypsum waste residue and broken blade 43 contact, conveniently crush and scatter phosphogypsum waste residue, can effectively reduce the volume of phosphogypsum waste residue, and the phosphogypsum waste residue after crushing and scattering will enter the inside of phosphogypsum washing box 1 along discharge pipe 5;

[0029] Then open the water inlet valve, make water flow into the inside of water delivery sleeve 81 along water inlet pipe 82, and spray out from the nozzle 83, simultaneously open the rotary motor 92, make rotary shaft 91 rotate, and rotary shaft 91 will drive mesh box 7 to rotate, make the phosphogypsum waste residue in the mesh box 7 can be scattered due to stress, make the sprayed water can fully contact with phosphogypsum waste residue, conveniently wash phosphogypsum waste residue with water;

[0030] Finally open the drain valve, utilize drain pipe 10 can discharge the liquid gathered in the bottom of the cavity of phosphogypsum washing box 1, and when the washing of phosphogypsum waste residue is completed, start electric push rod 12, make it extend, and electric push rod 12 will drive top cover 2 to vertically move up by utilizing mounting block 11, make top cover 2 and phosphogypsum washing box 1 separate, this can take out and clean the phosphogypsum waste residue remaining on the mesh box 7 in the inside of phosphogypsum washing box 1.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principle of the utility model, the scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. A device for pre-treatment of phosphogypsum, comprising a phosphogypsum washing tank (1), characterized in that: The outer movable sleeve of the top end of the phosphogypsum washing box (1) is provided with a top cover (2), the top of the top cover (2) is provided with a phosphogypsum crushing box (3), the inside of the phosphogypsum crushing box (3) is provided with a crushing assembly (4); The inside of the phosphogypsum washing box (1) is fixedly connected with a supporting block (6), and the inside of the phosphogypsum washing box (1) is movably sleeved with a mesh box (7), the bottom of the top cover (2) is provided with a spraying assembly (8), and the bottom of the mesh box (7) is provided with a rotating assembly (9).

2. A device for pre-treatment of phosphogypsum according to claim 1, characterized in that: The top of the phosphogypsum crushing box (3) is movably sleeved with a feeding plug, and the bottom of the phosphogypsum crushing box (3) is fixedly connected with the middle part of the top cover (2) through a discharging pipe (5).

3. A device for pre-treatment of phosphogypsum according to claim 1, characterized in that: The crushing assembly (4) comprises a driving shaft (41), the driving shaft (41) is movably sleeved in the inside of the phosphogypsum crushing box (3), one end of the driving shaft (41) is fixedly connected with a driving motor (42), and the outside of the driving shaft (41) is fixedly connected with a crushing blade (43).

4. A device for pre-treatment of phosphogypsum according to claim 1, characterized in that: The spraying assembly (8) comprises a water conveying sleeve (81), the water conveying sleeve (81) is fixedly connected to the bottom of the top cover (2), the top of the water conveying sleeve (81) is fixedly connected with a water inlet pipe (82), the outside of the water inlet pipe (82) is fixedly installed with a water inlet valve, and the bottom of the water conveying sleeve (81) is fixedly installed with a spray head (83).

5. A device for pre-treatment of phosphogypsum according to claim 1, characterized in that: The rotating assembly (9) comprises a rotating shaft (91), the rotating shaft (91) is movably sleeved at the bottom of the phosphogypsum washing box (1), the top end of the rotating shaft (91) is fixedly connected with the bottom of the mesh box (7), the bottom end of the rotating shaft (91) is fixedly connected with a rotating motor (92), and the outside of the rotating motor (92) is fixedly sleeved with a protective cover (93).

6. A device for pre-treatment of phosphogypsum according to claim 1, characterized in that: The bottom of the phosphogypsum washing box (1) is fixedly connected with a drainage pipe (10), the outside of the drainage pipe (10) is fixedly installed with a drainage valve, one side of the top cover (2) is fixedly connected with a mounting block (11), and the bottom of the mounting block (11) is fixedly connected with an electric push rod (12).

Citation Information

Patent Citations

  • Pretreatment device for industrial waste phosphogypsum

    CN220574148U