A phosphogypsum filtrate screening machine

Abstract

The utility model discloses a kind of phosphogypsum filtrate screening machines, including support table, the top of the support table is fixedly connected with support frame, the top of the support table is fixedly connected with separation tank, the top of the support frame is fixedly connected with mixing tank, this phosphogypsum filtrate screening machine, by setting drive mechanism, when gypsum mixed solution processing ends, gypsum mixed solution is injected to the inside of filter cover, one motor is started at this time, so that one motor can be driven gear ring fast rotation by gear, that is, drive filter cover fast rotation, so that the liquid in filter cover inside is subjected to centrifugal force and can flow fast to the inside of separation tank, so that gypsum solid can be discharged by second discharge pipe, so that the automatic filtration separation effect of gypsum mixed solution is achieved, and then greatly improve gypsum filtrate screening convenience.

Description

Technical Field

[0001] This utility model relates to the technical field of a phosphogypsum filtrate screening machine, specifically a phosphogypsum filtrate screening machine. Background Technology

[0002] Phosphogypsum is a solid waste generated during the production of phosphate fertilizers and phosphoric acid. It is also a solid waste residue produced during the treatment of phosphate rock with sulfuric acid in phosphoric acid production, and its main component is calcium sulfate. The large-scale stockpiling of phosphogypsum not only occupies land resources but also causes air, water, and soil pollution due to wind and rain erosion. Prolonged exposure to phosphogypsum may lead to death or illness in humans. During the landfilling or stockpiling of phosphogypsum, rainwater action produces leachate, which has high phosphorus and fluorine content and a very low pH. Once it seeps into the ground, it not only wastes a large amount of phosphorus and fluorine resources but also severely pollutes nearby groundwater and surface water resources, causing very serious impacts on nearby watersheds and residents' lives. Therefore, it is necessary to screen and treat phosphogypsum leachate to protect the ecological environment.

[0003] Chinese Patent CN211896046U discloses a phosphogypsum filtrate screening mechanism, relating to the technical field of phosphogypsum treatment devices. This phosphogypsum filtrate screening mechanism includes a base with two sets of support pillars welded to the top. A processing tank and a screening tank are welded to the top of each set of support pillars. The mechanism uses a drive motor to pulverize phosphate rock in the phosphogypsum filtrate via a rotating shaft, turning the phosphate rock into a slurry. Concentrated sulfuric acid is then introduced through a feeding pipe, causing the concentrated sulfuric acid to fully decompose the phosphate rock into a mixture of phosphoric acid and phosphogypsum, thus achieving resource recovery. The screening tank can be pulled out for easy removal of phosphoric acid and phosphogypsum. A water inlet pipe delivers cleaning water to the cleaning assembly, which is then sprayed into the processing tank through a nozzle to clean it. A pump delivers cleaning water to the screening tank to clean it.

[0004] The aforementioned patent has some shortcomings: when treating phosphogypsum filtrate in the existing technology, the phosphogypsum filtrate needs to be collected and separated after decomposition, which increases the number of treatment steps and reduces the treatment efficiency. Utility Model Content

[0005] The purpose of this invention is to provide a phosphogypsum filtrate screening machine to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a phosphogypsum filtrate screening machine, comprising a support platform, a support frame fixedly connected to the top of the support platform, a separation box fixedly sleeved on the top of the support platform, a mixing box fixedly sleeved on the top of the support frame, a filter cover movably sleeved inside the separation box, a toothed ring fixedly sleeved on the top of the filter cover, a first discharge pipe fixedly sleeved on the bottom of the separation box, a second discharge pipe fixedly sleeved on the bottom of the filter cover, a driving mechanism provided on the top of the separation box, a sliding column movably sleeved on the bottom of the inner cavity of the separation box, a mixing mechanism provided on the top of the mixing box, and a moving mechanism provided on the bottom of the support platform.

[0007] Preferably, the drive mechanism includes a primary motor, which is fixedly mounted on the top of the separation box. A gear is fixedly sleeved on the output shaft of the primary motor, and the gear meshes with a gear ring.

[0008] Preferably, there are several sliding columns, which are evenly distributed around the filter cover at the bottom of the separation chamber.

[0009] Preferably, the aforementioned.

[0010] Preferably, the mixing mechanism includes a second motor, which is fixedly installed on the top of the mixing tank, and a stirring arm is fixedly sleeved on the output shaft of the second motor.

[0011] Preferably, the moving mechanism includes a support column, which is fixedly connected to the bottom of the support platform, and a sliding wheel is installed at the bottom of the support column.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: This phosphogypsum filtrate screening machine, by setting a drive mechanism, when the gypsum mixture is finished being processed, injects the gypsum mixture into the inside of the filter cover. At this time, the No. 1 motor is started, so that the No. 1 motor drives the gear ring to rotate rapidly through the gear, that is, drives the filter cover to rotate rapidly. Thus, the liquid inside the filter cover is subjected to centrifugal force and flows rapidly into the inside of the separation box, so that the gypsum solids can be discharged through the No. 2 discharge pipe, thereby achieving the automatic filtration and separation effect of the gypsum mixture, and greatly improving the convenience of gypsum filtrate screening.

[0013] In addition, the phosphogypsum filtrate screening machine is equipped with a mixing mechanism. When sulfuric acid solution needs to be added, the No. 2 motor is started, which drives the stirring arm to rotate quickly, thus stirring the sulfuric acid solution and the slurry. This increases the mixing speed of the slurry and the sulfuric acid solution, thereby increasing the processing speed of the gypsum filtrate. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a front view of the structure of this utility model;

[0016] Figure 3 This is a bottom view of the filter cover in the structure of this utility model.

[0017] In the diagram: 1. Support platform; 2. Support frame; 3. Separation box; 4. Mixing box; 5. Filter cover; 6. Gear ring; 7. No. 1 discharge pipe; 8. No. 2 discharge pipe; 9. Drive mechanism; 91. No. 1 motor; 92. Gear; 10. Sliding column; 11. Mixing mechanism; 111. No. 2 motor; 112. Stirring arm; 12. Moving mechanism; 121. Support column; 122. Sliding wheel. Detailed Implementation

[0018] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0019] The components of the present invention embodiments described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0020] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] Please see Figure 1-3 An embodiment of this utility model provides a phosphogypsum filtrate screening machine, comprising a support platform 1, a support frame 2 fixedly connected to the top of the support platform 1, a separation box 3 fixedly sleeved on the top of the support platform 1, a mixing box 4 fixedly sleeved on the top of the support frame 2, a filter cover 5 movably sleeved inside the separation box 3, a toothed ring 6 fixedly sleeved on the top of the filter cover 5, a first discharge pipe 7 fixedly sleeved on the bottom of the separation box 3, a second discharge pipe 8 fixedly sleeved on the bottom of the filter cover 5, a driving mechanism 9 provided on the top of the separation box 3, a sliding column 10 movably sleeved on the bottom of the inner cavity of the separation box 3, a mixing mechanism 11 provided on the top of the mixing box 4, and a moving mechanism 12 provided on the bottom of the support platform 1.

[0024] The drive mechanism 9 includes a primary motor 91, which is fixedly mounted on the top of the separation box 3. A gear 92 is fixedly sleeved on the output shaft of the primary motor 91, and the gear 92 meshes with the gear ring 6. By setting up the drive mechanism 9, when the gypsum mixture is finished being processed, the gypsum mixture is injected into the interior of the filter cover 5. At this time, the primary motor 91 is started, so that the primary motor 91 drives the gear ring 6 to rotate rapidly through the gear 92, which in turn drives the filter cover 5 to rotate rapidly. As a result, the liquid inside the filter cover 5 is subjected to centrifugal force and flows rapidly into the interior of the separation box 3, so that the gypsum solids can be discharged through the secondary discharge pipe 8. This achieves the automatic filtration and separation effect of the gypsum mixture, thereby greatly improving the convenience of gypsum filtrate screening.

[0025] There are several sliding columns 10, which are evenly distributed around the bottom of the inner cavity of the separation box 3. By setting the sliding columns 10, when the filter cover 5 is separating the gypsum mixture, the sliding columns 10 can support the rapidly rotating filter cover 5, thereby avoiding the problem of friction between the filter cover 5 and the inner wall of the separation box 3 when the filter cover 5 is rotating rapidly, thus improving the smoothness of the rotation of the filter cover 5.

[0026] The mixing mechanism 11 includes a second motor 111, which is fixedly installed on the top of the mixing tank 4. A stirring arm 112 is fixedly sleeved on the output shaft of the second motor 111. By setting up the mixing mechanism 11, when sulfuric acid solution needs to be added, the second motor 111 is started, which drives the stirring arm 112 to rotate rapidly, thereby stirring the sulfuric acid solution and the slurry, thus increasing the mixing speed of the slurry and the sulfuric acid solution, and thus increasing the processing speed of the gypsum filtrate.

[0027] The moving mechanism 12 includes a support column 121, which is fixedly connected to the bottom of the support platform 1. A sliding wheel 122 is installed at the bottom of the support column 121. By setting up the moving mechanism 12, when the screening machine needs to be moved and conveyed, the support platform 1 is pushed, so that the sliding wheel 122 can drive the support platform 1 to move horizontally through the support column 121, that is, drive the separation box 3 to move horizontally, thereby achieving the effect of moving and conveying the screening machine, and thus bringing convenience to the adjustment of the working position of the screening machine.

[0028] Working principle: When the gypsum mixture treatment is finished, the gypsum mixture is injected into the interior of the filter hood 5. At this time, the first motor 91 is started, which drives the gear ring 6 to rotate rapidly through the gear 92, thereby driving the filter hood 5 to rotate rapidly. As a result, the liquid inside the filter hood 5 is subjected to centrifugal force and flows rapidly into the interior of the separation tank 3, allowing the gypsum solids to be discharged through the second discharge pipe 8. This achieves the automatic filtration and separation effect of the gypsum mixture, greatly improving the convenience of gypsum filtrate screening. When the filter hood 5 is separating the gypsum mixture, several sliding columns 10 support the rapidly rotating filter hood 5, thus avoiding friction between the filter hood 5 and the inner wall of the separation tank 3 during rapid rotation. This improves the smoothness of the rotation of the filter cover 5. When sulfuric acid solution needs to be added, the second motor 111 is started, which drives the stirring arm 112 to rotate quickly, thus stirring the sulfuric acid solution and the slurry, thereby increasing the mixing speed of the slurry and the sulfuric acid solution, and thus increasing the processing speed of the gypsum filtrate. When the screening machine needs to be moved and conveyed, the support platform 1 is pushed, so that the sliding wheel 122 can drive the support platform 1 to move horizontally through the support column 121, that is, drive the separation box 3 to move horizontally, thereby achieving the effect of moving and conveying the screening machine, and thus bringing convenience to the adjustment of the working position of the screening machine. The contents not described in detail in this description belong to the prior art known to those skilled in the art.

[0029] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A phosphogypsum filtrate screening machine, characterized in that: The system includes a support platform (1), a support frame (2) fixedly connected to the top of the support platform (1), a separation box (3) fixedly sleeved on the top of the support platform (1), a mixing box (4) fixedly sleeved on the top of the support frame (2), a filter cover (5) movably sleeved inside the separation box (3), a toothed ring (6) fixedly sleeved on the top of the filter cover (5), a first discharge pipe (7) fixedly sleeved on the bottom of the separation box (3), a second discharge pipe (8) fixedly sleeved on the bottom of the filter cover (5), a driving mechanism (9) provided on the top of the separation box (3), a sliding column (10) movably sleeved on the bottom of the inner cavity of the separation box (3), a mixing mechanism (11) provided on the top of the mixing box (4), and a moving mechanism (12) provided on the bottom of the support platform (1).

2. The phosphogypsum filtrate screening machine according to claim 1, characterized in that: The drive mechanism (9) includes a first motor (91), which is fixedly installed on the top of the separation box (3). A gear (92) is fixedly sleeved on the output shaft of the first motor (91), and the gear (92) meshes with the gear ring (6).

3. The phosphogypsum filtrate screening machine according to claim 1, characterized in that: The number of sliding columns (10) is several, and the several sliding columns (10) are evenly distributed around the filter cover (5) at the bottom of the inner cavity of the separation box (3).

4. The phosphogypsum filtrate screening machine according to claim 1, characterized in that: The mixing mechanism (11) includes a second motor (111), which is fixedly installed on the top of the mixing box (4), and a stirring arm (112) is fixedly sleeved on the output shaft of the second motor (111).

5. A phosphogypsum filtrate screening machine according to claim 1, characterized in that: The moving mechanism (12) includes a support column (121), which is fixedly connected to the bottom of the support platform (1), and a sliding wheel (122) is installed at the bottom of the support column (121).

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