A filter for removing impurities in the production of a flame retardant

Abstract

The utility model relates to the technical field of flame retardant production, disclose a kind of impurity filter for flame retardant production, including filter tank and feed pipe, the inner wall middle part of filter tank is equipped with dismounting cleaning mechanism, the dismounting cleaning mechanism is used to quickly dismount the sieve plate blocked, accelerate production efficiency, the bottom of feed pipe is equipped with flow regulating mechanism, the flow regulating mechanism is used to control the raw material flow of flowing through feed pipe;The dismounting cleaning mechanism includes first fixed plate, the first fixed plate sliding connection is in the inner wall middle part of filter tank, the inner wall of first fixed plate is fixedly connected with sieve plate. In the utility model, the connecting plate rotation drives the contact of both sides brush and sieve plate hole, and the impurities in the hole are brushed out, so that the sieve plate is prevented from being blocked to reduce the filtering efficiency. The brushed impurities roll down to the sieve plate groove and accumulate. The staff presses the rotating plate to move it to the filter tank direction, and the rotating plate drives the synchronous movement of the second rotating shaft.

Description

Technical Field

[0001] This utility model relates to the field of flame retardant production technology, and in particular to a filter for removing impurities in flame retardant production. Background Technology

[0002] Flame retardants are a class of functional additives that can prevent materials from burning, slow down the burning rate, or increase the ignition point of materials through chemical or physical actions. They are widely used in polymer materials, textiles, and building materials and are key materials for ensuring fire safety. Flame retardant production impurity removal filters are required in the flame retardant production process.

[0003] Flame retardant production impurity removal filters are specialized solid-liquid and solid-gas separation devices designed specifically for flame retardant production processes. Their core function is to remove metal particles, unreacted raw material residues, and precipitated impurities mixed in during the pretreatment, reaction synthesis, and finished product refining stages of flame retardant raw materials. This ensures the purity, particle size uniformity, and subsequent application performance of the flame retardant product, making it a key piece of equipment for controlling product quality in flame retardant production. The flame retardant production impurity removal filter mainly consists of a housing to ensure stable equipment operation, inlet and outlet components and a flow guiding structure, as well as a filtration unit to separate impurities. Through interception, adsorption, and sieving, it separates solid impurities from the materials used in flame retardant production, while ensuring the integrity of the effective components of the flame retardant. However, the impurities generated during flame retardant production are complex. In practical applications, impurities are limited by process characteristics and structural design, easily embedding in the filter cartridge pores or adhering to the filter media surface, leading to filtration channel blockage. This requires frequent filter screen disassembly and cleaning, which is not only time-consuming and labor-intensive but also disrupts continuous production due to downtime, significantly reducing production efficiency. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a filter for removing impurities in the production of flame retardants. It aims to improve the problem in the prior art where impurities easily embed themselves in the filter cartridge holes or adhere to the surface of the filter material, causing blockage of the filter channel. This requires manual disassembly and cleaning of the filter screen, which is not only time-consuming and labor-intensive, but also affects the continuous production rhythm due to machine downtime, greatly reducing production efficiency.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a filter for removing impurities in flame retardant production, comprising a filter tank and a feed pipe, wherein a disassembly and cleaning mechanism is installed in the middle of the inner wall of the filter tank, the disassembly and cleaning mechanism being used to quickly disassemble the clogged screen plate and accelerate production efficiency; a flow regulating mechanism is installed at the bottom of the feed pipe, the flow regulating mechanism being used to control the flow rate of raw materials flowing through the feed pipe; the disassembly and cleaning mechanism includes a first fixing plate, the first fixing plate being slidably connected to the middle of the inner wall of the filter tank, a screen plate being fixedly connected to the inner wall of the first fixing plate, a first rotating shaft being rotatably connected to the left and right sides of the upper middle part of the inner wall of the filter tank, a connecting plate being fixedly connected to the outer wall of the first rotating shaft, a brush being fixedly connected to the left and right ends of the connecting plate, and fixing components being installed on the front and rear sides of the outer wall of the first fixing plate.

[0006] As a further description of the above technical solution: The fixing component includes a second rotating shaft, which is rotatably connected to the front side of the outer wall of the first fixing plate. A rotating plate is fixedly connected to the front end of the second rotating shaft, and a pressure plate is fixedly connected to the end of the second rotating shaft. A spring is sleeved on the outer wall of the second rotating shaft, and the end of the spring is rotatably connected to the outer wall of the first fixing plate, while the front end of the spring is fixedly connected to the outer wall of the rotating plate.

[0007] As a further description of the above technical solution: The flow regulation mechanism includes a first sleeve, which is rotatably connected to the bottom right side of the outer wall of the feed pipe. A first circular plate is fixedly connected to the top of the outer wall of the first sleeve, and a first limiting post is fixedly connected to the top wall of the first circular plate. A first partition is fixedly connected to the rear side of the bottom of the outer wall of the first sleeve. A third rotating shaft is rotatably connected to the inner wall of the first sleeve. A second sleeve is fixedly connected to the bottom of the outer wall of the third rotating shaft. A second partition is fixedly connected to the front side of the outer wall of the second sleeve. A second circular plate is fixedly connected to the top of the outer wall of the third rotating shaft, and a second limiting post is fixedly connected to the top wall of the second circular plate. A drive assembly is installed on the bottom left side of the outer wall of the feed pipe.

[0008] As a further description of the above technical solution: The drive assembly includes a support plate, which is fixedly connected to the bottom left side of the outer wall of the feed pipe. An electric push rod is installed at the middle of the right end of the support plate. A push plate is fixedly connected to the output end of the electric push rod. A first annular plate is fixedly connected to the rear right end of the push plate. The inner wall of the first annular plate is slidably connected to the outer wall of the first limiting post. A second annular plate is fixedly connected to the front right end of the push plate. The inner wall of the second annular plate is slidably connected to the outer wall of the second limiting post.

[0009] As a further description of the above technical solution: A storage tank is located on the right side of the filter tank, and a booster pump is installed in the middle of the top wall of the storage tank.

[0010] As a further description of the above technical solution: The outer right side of the storage tank is connected to a feed pipe, the front side of the outer wall of the feed pipe is connected to the top wall of the filter tank, and the front end of the feed pipe is connected to a shower head.

[0011] As a further description of the above technical solution: The bottom wall of the storage tank is connected to a discharge pipe, and the bottom wall of the storage tank is fixedly connected to multiple support legs.

[0012] As a further description of the above technical solution: An installation plate is fixedly connected to the upper middle part of the front side of the outer wall of the filter tank, and a glass plate is fixedly connected to the inner wall of the installation plate.

[0013] This utility model has the following beneficial effects: 1. In this utility model, the rotating connecting plate drives the brushes on both sides to contact the holes of the screen plate, brushing out the impurities in the holes, avoiding screen plate blockage and reducing filtration efficiency. The brushed impurities roll down to the groove of the screen plate and accumulate. The operator presses the rotating plate to move it towards the filter tank. The rotating plate drives the second rotating shaft to move synchronously. The second rotating shaft drives the pressure plate to move synchronously, separating the pressure plate from the inner wall of the filter tank. Then, the rotating plate is pulled backward to drive the first fixed plate to move outward, quickly removing the screen plate for cleaning, reducing the impact of downtime on the production rhythm.

[0014] 2. In this utility model, the electric push rod is activated to drive the push plate forward. The push plate drives the first limit post and the second limit post forward. The rotation of the first limit post and the second limit post causes the first partition and the second partition to separate from the pipe wall of the feed pipe, thereby adjusting the flow area of ​​the pipeline and thus adjusting the total amount of raw liquid injected into the filter tank. This prevents the raw liquid in the filter tank from accumulating too much and causing excessive pressure in the tank, which could lead to the rupture of the screen plate and the filter tank. Attached Figure Description

[0015] Figure 1 This is a perspective view of a flame retardant production impurity removal filter proposed in this utility model; Figure 2 for Figure 1 Enlarged view of point A in the middle; Figure 3 This is a front view of a flame retardant production impurity removal filter proposed in this utility model; Figure 4 This is a schematic diagram of the disassembly and cleaning mechanism of a flame retardant production impurity removal filter proposed in this utility model; Figure 5This is a schematic diagram of the fixing component of a flame retardant production impurity removal filter proposed in this utility model; Figure 6 This is a schematic diagram of the flow regulation mechanism of a flame retardant production impurity removal filter proposed in this utility model; Figure 7 This is a partial structural exploded view of the flow regulation mechanism of a flame retardant production impurity removal filter proposed in this utility model; Figure 8 This is a partial structural cross-sectional view of the flow regulation mechanism of a flame retardant production impurity removal filter proposed in this utility model.

[0016] Legend: 1. Filter tank; 2. Disassembly and cleaning mechanism; 201. First fixed plate; 202. Screen plate; 203. First rotating shaft; 204. Connecting plate; 205. Brush; 206. Fixing assembly; 2061. Second rotating shaft; 2062. Rotating plate; 2063. Pressure plate; 2064. Spring; 3. Flow regulating mechanism; 301. First sleeve; 302. First circular plate; 303. First limiting post; 304. First partition plate; 305. 306. Third rotating shaft; 307. Second sleeve; 308. Second partition plate; 309. Second circular plate; 310. Second limiting post; 310. Drive assembly; 3101. Support plate; 3102. Electric push rod; 3103. Push plate; 3104. First annular plate; 3105. Second annular plate; 4. Storage tank; 5. Booster pump; 6. Feed pipe; 7. Shower head; 8. Discharge pipe; 9. Support leg; 10. Mounting plate; 11. Glass plate. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Reference Figure 4 , Figure 5 and Figure 8This utility model provides an embodiment of a flame retardant production impurity removal filter, comprising a filter tank 1 and a feed pipe 6. A disassembly and cleaning mechanism 2 is installed in the middle of the inner wall of the filter tank 1. The disassembly and cleaning mechanism 2 is used to quickly disassemble the clogged screen plate 202, thereby accelerating production efficiency. A flow regulating mechanism 3 is installed at the bottom of the feed pipe 6, used to control the flow rate of raw materials flowing through the feed pipe 6. The disassembly and cleaning mechanism 2 includes a first fixing plate 201, which is slidably connected to the middle of the inner wall of the filter tank 1. A screen plate 202 is fixedly connected to the inner wall of the first fixing plate 201. The screen plate 202 is V-shaped. A first rotating shaft 203 is rotatably connected to the upper left and right sides of the inner wall of the filter tank 1. A connecting plate 204 is fixedly connected to the outer wall of the first rotating shaft 203. A hairpin is fixedly connected to the left and right ends of the connecting plate 204. Brush 205 is used to scrub the screen plate 202. Fixing components 206 are installed on the front and rear sides of the outer wall of the first fixing plate 201. The fixing components 206 include a second rotating shaft 2061. The second rotating shaft 2061 is rotatably connected to the front side of the outer wall of the first fixing plate 201. A rotating plate 2062 is fixedly connected to the front end of the second rotating shaft 2061. A pressure plate 2063 is fixedly connected to the end of the second rotating shaft 2061. A spring 2064 is sleeved on the outer wall of the second rotating shaft 2061. The end of the spring 2064 is rotatably connected to the outer wall of the first fixing plate 201. The front end of the spring 2064 is fixedly connected to the outer wall of the rotating plate 2062. A feed pipe 6 is connected to the right side of the outer wall of the storage tank 4. The front side of the outer wall of the feed pipe 6 is connected to the top wall of the filter tank 1. A shower head 7 is connected to the front end of the feed pipe 6, so that the original liquid is dispersed and sprayed out through the holes on the surface of the shower head 7. Specifically, the booster pump 5 is started, pressurizing the inside of the storage tank 4. Under pressure, the flame retardant concentrate in the storage tank 4 is injected into the filter tank 1 through the feed pipe 6. The injected concentrate flows to the shower head 7 inside the filter tank 1 and is sprayed out through the evenly distributed holes on the surface of the shower head 7. This prevents the concentrate from falling continuously and rapidly onto a single part of the screen plate 202 in the form of a concentrated water flow, thus preventing the screen plate 202 from being damaged due to excessive local pressure. The concentrate sprayed from the shower head 7 first falls onto the connecting plate 204, and then flows through the surface of the connecting plate 204 to the surface of the screen plate 202. The concentrate filtered by the screen plate 202 flows out from the discharge pipe 8 at the bottom of the filter tank 1 for use in subsequent processes. Simultaneously, the falling raw liquid exerts a downward force on the connecting plate 204, causing it to rotate around the first rotating shaft 203. As the connecting plate 204 rotates, it drives the brushes 205 installed on both sides to rotate synchronously, ensuring continuous contact between the brushes 205 and the holes on the surface of the sieve plate 202. During the rotation of the brushes 205, impurities clogging the holes are brushed out, preventing impurities from accumulating and clogging the sieve plate 202, thus reducing filtration efficiency. Because the sieve plate 202 has a V-shaped structure, the impurities brushed out by the brushes 205 will roll downwards along the inclined surface of the sieve plate 202 under gravity, eventually accumulating in the groove at the bottom of the sieve plate 202. The filter can be filtered through the glass plate 1 on the side of the filter tank 1. 1. Observe the accumulation of impurities in the groove of the sieve plate 202 in real time. When the groove is full of impurities, press the rotating plate 2062 by hand to move it towards the filter tank 1. The rotating plate 2062 drives the second rotating shaft 2061 connected to it to move synchronously. The spring 2064, which is in cooperation with the second rotating shaft 2061, is compressed and begins to store energy and contract. When the second rotating shaft 2061 moves, it drives the pressure plate 2063 at its end to move synchronously, so that the pressure plate 2063 gradually separates from the outer wall of the filter tank 1. Then, rotate the rotating plate 2062 so that its direction is perpendicular to the initial direction, and then pull the rotating plate 2062 backward to drive the first fixed plate 201 to move outward, thereby opening the sieve plate. The screen plate 202 is quickly removed from the filter tank 1 for impurity cleaning, which greatly shortens the disassembly and cleaning time of the screen plate 202 and reduces the impact of equipment downtime on the production schedule. After the screen plate 202 is cleaned, it is put back into the installation position of the filter tank 1. The rotating plate 2062 is rotated around the second rotating shaft 2061 in the vertical direction. Then, the pressing of the rotating plate 2062 is stopped, the spring 2064 begins to release energy and return to the initial state. The elastic force of the spring 2064 drives the pressure plate 2063 to move outward until the pressure plate 2063 is in close contact with the inner wall of the filter tank 1, thereby fixing the screen plate 202 in the filter tank 1 and ensuring that subsequent filtration operations can proceed normally.

[0019] Reference Figure 2 , Figure 6 and Figure 7The flow regulating mechanism 3 includes a first sleeve 301, which is rotatably connected to the bottom right side of the outer wall of the feed pipe 6. A first circular plate 302 is fixedly connected to the top of the outer wall of the first sleeve 301, and a first limiting post 303 is fixedly connected to the top wall of the first circular plate 302. A first partition plate 304 is fixedly connected to the rear side of the bottom of the outer wall of the first sleeve 301. A third rotating shaft 305 is rotatably connected to the inner wall of the first sleeve 301. A second sleeve 306 is fixedly connected to the bottom of the outer wall of the third rotating shaft 305. A second partition plate 307 is fixedly connected to the front side of the outer wall of the second sleeve 306. The second partition plate 307 and the first partition plate 304 are the same size, and their outlines fit the wall of the feed pipe 6. A second circular plate 308 is fixedly connected to the top of the outer wall of the third rotating shaft 305, and a second limiting post 309 is fixedly connected to the top wall of the second circular plate 308. A drive is installed on the bottom left side of the outer wall of the feed pipe 6. Component 310, the drive component 310 includes a support plate 3101, the support plate 3101 is fixedly connected to the bottom left side of the outer wall of the feed pipe 6, an electric push rod 3102 is installed at the middle of the right end of the support plate 3101, the electric push rod 3102 is model KT1610-100, driven by an electric motor and converted from high-speed rotational motion to low-speed high-torque motion through a reduction gear, and then converted from rotational motion to linear motion through a screw and nut mechanism to achieve precise control, a push plate 3103 is fixedly connected to the output end of the electric push rod 3102, a first annular plate 3104 is fixedly connected to the rear right end of the push plate 3103, the inner wall of the first annular plate 3104 is slidably connected to the outer wall of the first limiting post 303, a second annular plate 3105 is fixedly connected to the front right end of the push plate 3103, and the inner wall of the second annular plate 3105 is slidably connected to the outer wall of the second limiting post 309; Specifically, when it is necessary to adjust the flow rate of the flame retardant concentrate injected into filter tank 1, the electric push rod 3102 is activated. The push rod extends and pushes the connected push plate 3103 forward in the horizontal direction. When the push plate 3103 moves forward, it drives the first limiting post 303 and the second limiting post 309 on both sides to move forward synchronously. When the first limiting post 303 moves, it causes the first circular plate 302 to rotate around the axis of the first sleeve 301. The first sleeve 301 rotates synchronously with the first circular plate 302. When the first sleeve 301 rotates, it drives the first partition plate 304 connected to it to rotate together, so that the first partition plate 304 gradually separates from the pipe wall of the feed pipe 6, forming a gap for the concentrate to flow. At the same time, during the movement of the second limiting post 309, it causes the second circular plate 308 to rotate around the third... When the axis of the rotating shaft 305 rotates, the second circular plate 308 rotates, causing the third rotating shaft 305 to rotate synchronously. When the third rotating shaft 305 rotates, it causes the second sleeve 306, which is fixedly connected to it, to rotate together. The second sleeve 306 causes the second partition 307, which is connected to it, to rotate together, so that the second partition 307 gradually separates from the wall of the feed pipe 6, thus forming a flow gap. By adjusting the size of the gap between the first partition 304 and the second partition 307 and the wall of the feed pipe 6, the flow area inside the feed pipe 6 can be adjusted to control the total amount of raw liquid injected into the filter tank 1. This avoids excessive accumulation of raw liquid inside the filter tank 1 due to excessive injection, prevents the sieve plate 202 from being damaged due to excessive pressure, and prevents the filter tank 1 from rupturing, ensuring the normal operation of the equipment.

[0020] Reference Figure 1 , Figure 2 and Figure 8 A storage tank 4 is provided on the right side of the filter tank 1 for storing the flame retardant concentrate. A booster pump 5 is installed in the middle of the top wall of the storage tank 4. The booster pump 5 is a BZ50 / 12.5 model. The pump body is driven by a power unit to pressurize the liquid and deliver it to the filtration system in a high-pressure form. A discharge pipe 8 is connected to the inner bottom wall of the storage tank 4 to allow the filtered flame retardant to flow out. Multiple support legs 9 are fixedly connected to the bottom wall of the storage tank 4 to support the filter tank 1. An installation plate 10 is fixedly connected to the upper middle part of the front side of the outer wall of the filter tank 1. A glass plate 11 is fixedly connected to the inner wall of the installation plate 10 to facilitate the staff to observe the situation inside the tank. Specifically, the storage tank 4 is used to store the flame retardant concentrate to be filtered. The booster pump 5 installed on the top of the storage tank 4 can provide pressure to the inside of the storage tank 4 after starting, so that the flame retardant concentrate in the tank flows upward into the filter tank 1 through the feed pipe 6 under pressure for filtration. The discharge pipe 8 connected to the bottom of the storage tank 4 is used for the smooth flow of the filtered flame retardant. The glass plate 11 makes it easy for the staff to observe the inside of the filter tank 1 during the operation of the equipment.

[0021] Working principle: The booster pump 5 is started to pressurize the storage tank 4, causing the flame retardant concentrate to be injected into the filter tank 1 through the feed pipe 6. The concentrate falls onto the connecting plate 204 and then flows onto the surface of the sieve plate 202. After filtration, it flows out from the discharge pipe 8 at the bottom of the filter tank 1. Simultaneously, the concentrate causes the connecting plate 204 to rotate around the first rotating shaft 203, driving the brushes 205 on both sides to contact the holes of the sieve plate 202. During the rotation of the brushes 205, impurities in the holes are brushed out, preventing clogging of the sieve plate 202 and reducing filtration efficiency. Because the sieve plate 202 has a V-shaped structure, the brushed impurities roll downwards and accumulate in the grooves of the sieve plate 202. When the grooves of the sieve plate 202 are full, the operator observes through the glass plate 11 and presses the rotating plate 2062 to move it towards the filter tank 1. 2. The second rotating shaft 2061 moves synchronously, and the spring 2064 begins to store energy and contract. The second rotating shaft 2061 drives the pressure plate 2063 to move synchronously, and the pressure plate 2063 separates from the outer wall of the filter tank 1. Then, the rotating plate 2062 is rotated perpendicular to the original direction, and then the rotating plate 2062 is pulled backward to drive the first fixed plate 201 to move outward, thereby quickly removing and cleaning the screen plate 202, greatly shortening the disassembly and cleaning time and reducing the impact of downtime on the production rhythm. After that, the cleaned screen plate 202 is put into the filter tank 1, and the rotating plate 2062 is rotated to make the direction of the pressure plate 2063 vertical. Then, the pressure of the rotating plate 2062 is stopped, and the spring 2064 begins to release energy and return to its original state, driving the pressure plate 2063 to move outward until it contacts the inner wall of the filter tank 1, thereby fixing the screen plate 202. When the flame retardant concentrate flows through the feed pipe 6, the electric push rod 3102 is activated. The push rod extends, causing the push plate 3103 to move forward. The push plate 3103 causes the first limiting post 303 and the second limiting post 309 on both sides to move forward synchronously. As the first limiting post 303 moves, it causes the first circular plate 302 connected to it to rotate around the first sleeve 301. At the same time, the first sleeve 301 rotates synchronously. When the first sleeve 301 rotates, it causes the first partition plate 304 to rotate, separating it from the pipe wall of the feed pipe 6. As the second limiting post 309 moves, it causes the first partition plate 304 connected to it to rotate. The second circular plate 308 rotates around the third rotating shaft 305. The second circular plate 308 drives the third rotating shaft 305 to rotate, and the third rotating shaft 305 drives the connected second sleeve 306 to rotate. The second sleeve 306 drives the second partition 307 to rotate, causing it to separate from the wall of the feed pipe 6. By adjusting the gap between the first partition 304 and the second partition 307 and the wall of the feed pipe 6, the flow area of ​​the pipeline is adjusted, thereby adjusting the total amount of raw liquid injected into the filter tank 1. This prevents excessive accumulation of raw liquid inside the filter tank 1, which could cause excessive pressure inside the tank and rupture of the sieve plate 202 and the filter tank 1.

[0022] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model 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 utility model should be included within the protection scope of the present utility model.

Claims

1. A filter for removing impurities in flame retardant production, comprising a filter tank (1) and a feed pipe (6), characterized in that: The filter tank (1) is equipped with a disassembly and cleaning mechanism (2) in the middle of its inner wall. The disassembly and cleaning mechanism (2) is used to quickly disassemble the blocked screen plate (202) and speed up production efficiency. The bottom of the feed pipe (6) is equipped with a flow regulating mechanism (3). The flow regulating mechanism (3) is used to control the flow rate of raw materials flowing through the feed pipe (6). The disassembly and cleaning mechanism (2) includes a first fixing plate (201), which is slidably connected to the middle of the inner wall of the filter tank (1). A sieve plate (202) is fixedly connected to the inner wall of the first fixing plate (201). A first rotating shaft (203) is rotatably connected to the upper left and right sides of the inner wall of the filter tank (1). A connecting plate (204) is fixedly connected to the outer wall of the first rotating shaft (203). A brush (205) is fixedly connected to the left and right ends of the connecting plate (204). Fixing components (206) are installed on the front and rear sides of the outer wall of the first fixing plate (201).

2. The impurity removal filter for flame retardant production according to claim 1, characterized in that: The fixing component (206) includes a second rotating shaft (2061), which is rotatably connected to the front side of the outer wall of the first fixing plate (201). A rotating plate (2062) is fixedly connected to the front end of the second rotating shaft (2061), and a pressure plate (2063) is fixedly connected to the end of the second rotating shaft (2061). A spring (2064) is sleeved on the outer wall of the second rotating shaft (2061). The end of the spring (2064) is rotatably connected to the outer wall of the first fixing plate (201), and the front end of the spring (2064) is fixedly connected to the outer wall of the rotating plate (2062).

3. A filter for removing impurities in the production of a flame retardant according to claim 1, characterized in that: The flow regulating mechanism (3) includes a first sleeve (301), which is rotatably connected to the bottom right side of the outer wall of the feed pipe (6). A first circular plate (302) is fixedly connected to the top of the outer wall of the first sleeve (301). A first limiting post (303) is fixedly connected to the top wall of the first circular plate (302). A first partition (304) is fixedly connected to the rear side of the bottom of the outer wall of the first sleeve (301). A third rotating shaft (305) is rotatably connected to the inner wall of the first sleeve (301). A second sleeve (306) is fixedly connected to the bottom of the outer wall of the third rotating shaft (305). A second partition (307) is fixedly connected to the front side of the outer wall of the second sleeve (306). A second circular plate (308) is fixedly connected to the top of the outer wall of the third rotating shaft (305). A second limiting post (309) is fixedly connected to the top wall of the second circular plate (308). A drive assembly (310) is installed on the bottom left side of the outer wall of the feed pipe (6).

4. The impurity removal filter for flame retardant production according to claim 3, characterized in that: The drive assembly (310) includes a support plate (3101), which is fixedly connected to the bottom left side of the outer wall of the feed pipe (6). An electric push rod (3102) is installed at the middle of the right end of the support plate (3101). A push plate (3103) is fixedly connected to the output end of the electric push rod (3102). A first annular plate (3104) is fixedly connected to the rear right end of the push plate (3103). The inner wall of the first annular plate (3104) is slidably connected to the outer wall of the first limiting post (303). A second annular plate (3105) is fixedly connected to the front right end of the push plate (3103). The inner wall of the second annular plate (3105) is slidably connected to the outer wall of the second limiting post (309).

5. A filter for removing impurities in flame retardant production according to claim 1, characterized in that: A storage tank (4) is provided on the right side of the filter tank (1), and a booster pump (5) is installed in the middle of the top wall of the storage tank (4).

6. The impurity removal filter for flame retardant production according to claim 5, characterized in that: The outer right side of the storage tank (4) is connected to the feed pipe (6), the front side of the outer wall of the feed pipe (6) is connected to the top wall of the filter tank (1), and the front end of the feed pipe (6) is connected to the shower head (7).

7. A flame retardant production impurity removal filter according to claim 5, characterized in that: The bottom wall of the storage tank (4) is connected to a discharge pipe (8), and the bottom wall of the storage tank (4) is fixedly connected to multiple support legs (9).

8. A filter for removing impurities in the production of a flame retardant according to claim 1, characterized in that: An installation plate (10) is fixedly connected to the upper middle part of the front side of the outer wall of the filter tank (1), and a glass plate (11) is fixedly connected to the inner wall of the installation plate (10).

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