High-efficiency sedimentation separator for the purification of ferrous sulfate byproducts in titanium dioxide waste

Abstract

This utility model relates to the field of sedimentation separator technology, and discloses a high-efficiency sedimentation separator for purifying ferrous sulfate byproducts from titanium dioxide waste. It includes a separation tank, with a separation mechanism fixedly connected to the middle of the inner wall of the tank. This separation mechanism is used to thoroughly remove internal contaminants. A sealing mechanism is fixedly connected to the top of the outer wall of the separation mechanism to seal the separator. An inspection mechanism is fixedly connected to one side of the outer wall of the separation tank. The separation mechanism includes a feed pipe, which is fixedly connected to the top of the outer wall of the separation tank. In this utility model, the ferrous sulfate byproduct solution from titanium dioxide waste enters through the feed pipe, and the reagent is introduced through the discharge pipe and the diversion pipe. A motor drives the stirring blades to rotate, preventing leakage and the entry of impurities. The clarified liquid is discharged from the discharge pipe, and a portion can be returned through the diversion pipe. The inspection mechanism is used to monitor the liquid level, water quality, and equipment status to ensure operational effectiveness.

Description

Technical Field

[0001] This utility model relates to the field of sedimentation separator technology, and in particular to a high-efficiency sedimentation separator for the purification of ferrous sulfate byproducts in titanium dioxide waste. Background Technology

[0002] Purification of ferrous sulfate byproducts from titanium dioxide production refers to the treatment of ferrous sulfate, a byproduct generated during titanium dioxide production, to remove impurities and achieve a certain purity standard. The purification of ferrous sulfate byproducts from titanium dioxide production requires the selection of appropriate processes based on the type of impurities and the intended use. Common methods include filtration and precipitation. Precipitation involves adding a precipitant to cause impurity ions to precipitate as hydroxides, carbonates, and sulfides, ensuring complete precipitation of the target impurities, reducing solid waste emissions from titanium dioxide production, and lowering environmental treatment costs.

[0003] The high-efficiency sedimentation separator for purifying ferrous sulfate byproducts from titanium dioxide production is a specialized separation device for ferrous sulfate, a waste byproduct generated during titanium dioxide production. Its function is to accelerate the separation of solid impurities from the liquid phase in waste acid through physical and physicochemical processes, thereby improving the purity of the ferrous sulfate solution and providing high-quality raw materials for subsequent resource utilization. However, in existing high-efficiency sedimentation separators for purifying ferrous sulfate byproducts from titanium dioxide production, the ferrous sulfate solution is highly acidic and contains many impurities, which easily form stubborn scale in narrow sections and dead corners of the equipment flow channel. This leads to uneven internal flow field and interference with particle sedimentation, resulting in excessive impurities in the purified liquid and low treatment efficiency. Furthermore, scaling can narrow the flow channel, clog the equipment, and affect the continuity of production. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a high-efficiency sedimentation separator for the purification of ferrous sulfate byproducts in titanium dioxide waste. It aims to improve the problem in the prior art where stubborn scale forms in narrow flow channels and dead corners, leading to uneven internal flow field and interference with particle sedimentation, thus affecting the continuity of production.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a high-efficiency sedimentation separator for the purification of ferrous sulfate byproducts in titanium dioxide waste, comprising a separation tank, a separation mechanism fixedly connected to the middle of the inner wall of the separation tank, the separation mechanism being used to thoroughly remove internal dirt, a sealing mechanism fixedly connected to the top of the outer wall of the separation mechanism, the sealing mechanism being used to seal the separator, and an inspection mechanism fixedly connected to one side of the outer wall of the separation tank; the separation mechanism includes a feed pipe fixedly connected to the top of the outer wall of the separation tank, a discharge pipe fixedly connected to the left side of the outer wall of the feed pipe, an air outlet pipe installed on the rear side of the outer wall of the feed pipe, a diversion pipe connected to one side of the outer wall of the discharge pipe, a stirring frame rotatably connected to the middle of the inner wall of the feed pipe, and a stirring assembly fixedly connected to the middle of the outer wall of the stirring frame.

[0006] As a further description of the above technical solution:

[0007] The stirring assembly includes a motor, which is fixedly connected to the bottom of the outer wall of the separation tank. A fixed shaft is fixedly connected to the output end of the motor. Multiple stirring blades are fixedly connected to one side of the outer wall of the fixed shaft. The stirring blades are fixedly connected to the middle of the inner wall of the stirring frame.

[0008] As a further description of the above technical solution:

[0009] The sealing mechanism includes a sealing ring, which is fixedly connected to the top of the outer wall of the separation tank. A support block is fixedly connected to one side of the outer wall of the sealing ring. A rotating frame is rotatably connected to the top of the support block. A fixing block is fixedly connected to one side of the outer wall of the rotating frame. An adjusting frame is fixedly connected to the top right side of the rotating frame. Fixing components are fixedly connected to all four sides of the outer wall of the sealing ring.

[0010] As a further description of the above technical solution:

[0011] The fixing component includes a rotating shaft, which is rotatably connected to the outer wall of the sealing ring. A handle is rotatably connected to the top of the outer wall of the rotating frame. A fixing clamp is rotatably connected to the top of the outer wall of the rotating shaft. An adjusting clamp is rotatably connected to the outer wall of the rotating frame. An exhaust pipe is provided on one side of the outer wall of the sealing ring.

[0012] As a further description of the above technical solution:

[0013] The inspection mechanism includes a sealing door, which is rotatably connected to one side of the outer wall of the separation tank. A sealing gasket is fixedly connected around the outer wall of the sealing door, and a connecting component is fixedly connected to one side of the outer wall of the sealing door.

[0014] As a further description of the above technical solution:

[0015] The connecting assembly includes a handle, which is fixedly connected to one side of the outer wall of the sealing door. A fixing buckle is fixedly connected to one side of the outer wall of the separation tank, and the fixing buckle is engaged with the handle.

[0016] As a further description of the above technical solution:

[0017] The bottom side of the separator is connected to a discharge hole, and a valve is rotatably connected to the top of the outer wall of the discharge hole.

[0018] As a further description of the above technical solution:

[0019] A fixing ring is fixedly connected to the top of the outer wall of the separation tank, and multiple support legs are fixedly connected to the outer wall of the fixing ring.

[0020] This utility model has the following beneficial effects:

[0021] 1. In this utility model, the waste ferrous sulfate solution from titanium dioxide enters through the feed pipe, and the reagent is introduced through the discharge pipe and the diversion pipe. The motor drives the stirring blade to rotate, accelerating the reaction between the reagent and impurities to form flocs and precipitates. The gas outlet pipe discharges the feed gas to maintain stable gas pressure inside the tank. The mixed liquid flows into the separation tank. The separation mechanism guides the fluid to be evenly distributed and reduces the flow rate, so that the flocs settle under gravity. The sealing mechanism ensures that the tank is sealed to prevent leakage and the entry of impurities. The clarified liquid is discharged from the discharge pipe, and part of it can be returned through the diversion pipe. The settled sludge is discharged through the sludge discharge port at the bottom of the tank for treatment. The inspection mechanism is used to monitor the liquid level, water quality and equipment status to ensure the operating effect.

[0022] 2. In this utility model, the sealing mechanism achieves sealing of the top of the separation tank through the cooperation of multiple components. The core component, the sealing ring, fits snugly with the tank opening to prevent leakage. The support block provides a fulcrum for the rotating frame. During operation, rotating the handle drives the rotating frame to cover the top of the tank. The fixing block assists in positioning. In the fixing assembly, the rotating shaft drives the fixing clamp to fasten the tank body. The adjusting clamp reinforces different positions. The double fixing ensures that the rotating frame, the sealing ring, and the tank body fit tightly. In addition, the exhaust pipe can balance the pressure inside the tank, avoid damage to the sealing structure, and meet the needs of various working conditions for the gas passage. Attached Figure Description

[0023] Figure 1 This is a perspective view of the high-efficiency sedimentation separator for purifying waste ferrous sulfate from titanium dioxide, as proposed in this utility model.

[0024] Figure 2 This is a front view of the high-efficiency sedimentation separator for purifying waste ferrous sulfate from titanium dioxide, as proposed in this utility model.

[0025] Figure 3 This is a structurally exploded view of the high-efficiency sedimentation separator for purifying waste ferrous sulfate from titanium dioxide, as proposed in this utility model.

[0026] Figure 4 This is a partial structural exploded view of the high-efficiency sedimentation separator for purifying waste ferrous sulfate from titanium dioxide, as proposed in this utility model.

[0027] Figure 5 This is a partial structural schematic diagram of the high-efficiency sedimentation separator for purifying waste ferrous sulfate from titanium dioxide, as proposed in this utility model.

[0028] Legend:

[0029] 1. Separating tank; 2. Separating mechanism; 201. Feed pipe; 202. Discharge pipe; 203. Air outlet pipe; 204. Diverter pipe; 205. Stirring frame; 206. Stirring assembly; 2061. Motor; 2062. Fixed shaft; 2063. Stirring blade; 3. Sealing mechanism; 301. Sealing ring; 302. Support block; 303. Rotating frame; 304. Fixed block; 305. Adjusting frame; 306. Fixed assembly; 3061. Rotating shaft; 3062. Handle; 3063. Fixed clamp; 3064. Adjusting clamp; 3065. Exhaust pipe; 4. Inspection mechanism; 401. Sealing door; 402. Sealing gasket; 403. Connecting assembly; 4031. Rotary handle; 4032. Fixing buckle; 5. Discharge hole; 6. Valve; 7. Support leg; 8. Fixing ring. Detailed Implementation

[0030] 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.

[0031] Reference Figure 1 , Figure 3 and Figure 4 This utility model provides an embodiment of a high-efficiency sedimentation separator for purifying ferrous sulfate byproducts in titanium dioxide waste. It includes a separation tank 1, with a separation mechanism 2 fixedly connected to the middle of the inner wall of the separation tank 1. The separation mechanism 2 is used to thoroughly remove internal dirt. A sealing mechanism 3 is fixedly connected to the top of the outer wall of the separation mechanism 2, used to seal the separator. An inspection mechanism 4 is fixedly connected to one side of the outer wall of the separation tank 1. The separation mechanism 2 includes a feed pipe 201, which is fixedly connected to the top of the outer wall of the separation tank 1. A discharge pipe 202 is fixedly connected to the left side of the outer wall of the feed pipe 201. An air outlet pipe 203 is installed on the rear side of the outer wall of the 01. A diversion pipe 204 is connected to one side of the outer wall of the discharge pipe 202. A stirring frame 205 is rotatably connected to the middle of the inner wall of the feed pipe 201. A stirring assembly 206 is fixedly connected to the middle of the outer wall of the stirring frame 205. The stirring assembly 206 includes a motor 2061. The motor 2061 is fixedly connected to the bottom of the outer wall of the separation tank 1. A fixed shaft 2062 is fixedly connected to the output end of the motor 2061. Multiple stirring blades 2063 are fixedly connected to one side of the outer wall of the fixed shaft 2062. The stirring blades 2063 are fixedly connected to the middle of the inner wall of the stirring frame 205.

[0032] Specifically, the ferrous sulfate solution from titanium dioxide waste enters the top of separator 1 through feed pipe 201. Flocculants or other agents may be added and discharged through discharge pipe 202 and diversion pipe 204 for initial mixing. Gas is discharged through vent pipe 203 to maintain stable pressure inside the tank. Motor 2061 drives stirring assembly 206 to rotate at high speed, accelerating the reaction between the agents and impurities, forming larger flocs and precipitates. The mixed solution flows out from the bottom of feed pipe 201 and enters the main body of separator 1. Separation mechanism 2 guides the fluid to distribute evenly, creating a laminar flow environment. Under gravity, the flocs and precipitates settle, and the clear liquid flows outwards. The flow is upward, and the sealing mechanism 3 ensures that the tank is sealed and maintains stable pressure. The clarified liquid is discharged through the discharge pipe 202 and enters the subsequent treatment. Some of the clarified liquid can be returned to the feed end. The sludge discharge port sends the sludge into the treatment system. The inspection mechanism 4 is used to monitor the liquid level, water quality changes and equipment status in the tank, so that the operators can judge the sedimentation effect and the amount of flocculant added, and detect equipment failure in time. The reaction is accelerated by stirring, the sedimentation time is shortened and the purification efficiency is improved. The uniform water distribution and laminar flow design improve the sedimentation effect. The closed operation prevents the spread of pollution. The visual inspection mechanism 4 facilitates monitoring and reduces maintenance costs.

[0033] Reference Figure 1 , Figure 2 and Figure 5 The sealing mechanism 3 includes a sealing ring 301, which is fixedly connected to the top of the outer wall of the separation tank 1. A support block 302 is fixedly connected to one side of the outer wall of the sealing ring 301. A rotating frame 303 is rotatably connected to the top of the support block 302. A fixing block 304 is fixedly connected to one side of the outer wall of the rotating frame 303. An adjusting frame 305 is fixedly connected to the top right side of the rotating frame 303. Fixing components 306 are fixedly connected to all four sides of the outer wall of the sealing ring 301. The fixing components 306 include a rotating shaft 3061, which is rotatably connected to all four sides of the outer wall of the sealing ring 301. A handle 3062 is rotatably connected to the top of the outer wall of the rotating frame 303. A fixing clamp 3063 is rotatably connected to the top of the outer wall of the rotating shaft 3061. An adjusting clamp 3064 is rotatably connected to all four sides of the outer wall of the rotating frame 303. An exhaust pipe 3065 is provided on one side of the outer wall of the sealing ring 301.

[0034] Specifically, the sealing mechanism 3 achieves sealing of the top of the separator 1 through the coordinated work of its components. The sealing ring 301 is fixed to the outer wall of the top of the separator 1, directly fitting the tank opening to prevent gas and material leakage. The support block 302 provides a fulcrum for rotation, the rotating frame 303 covers the top of the tank, and the fixing block 304 cooperates with the structure on the tank to stabilize the position. By operating the fixing component 306 and rotating the rotating shaft 3061, the fixing clamp 3063 is fastened to the tank, securing the connection from multiple directions. The adjusting clamp 3064 can be rotated and adjusted to strengthen the sealing stability. The exhaust pipe 3065 of the sealing ring 301 discharges excess gas when the pressure is high, balancing the pressure and avoiding damage to the seal or safety issues. It can also be used as a gas sampling or ventilation channel.

[0035] Reference Figure 1 , Figure 2 and Figure 3 The inspection mechanism 4 includes a sealing door 401, which is rotatably connected to one side of the outer wall of the separation tank 1. A sealing gasket 402 is fixedly connected around the outer wall of the sealing door 401. A connecting assembly 403 is fixedly connected to one side of the outer wall of the sealing door 401. The connecting assembly 403 includes a handle 4031, which is fixedly connected to one side of the outer wall of the sealing door 401. A fixing buckle 4032 is fixedly connected to one side of the outer wall of the separation tank 1. The fixing buckle 4032 engages with the handle 4031. A discharge hole 5 is connected to one side of the bottom of the separation tank 1. A valve 6 is rotatably connected to the top of the outer wall of the discharge hole 5. A fixing ring 8 is fixedly connected to the top of the outer wall of the separation tank 1. Multiple support legs 7 are fixedly connected around the outer wall of the fixing ring 8.

[0036] Specifically, the sealing door 401 of the inspection mechanism 4 is rotatably connected to the outer wall of the separator 1, and its surrounding sealing gaskets 402 fit together with the separator 1 to form a sealing structure, ensuring stable pressure inside the tank; the handle 4031 of the connecting component 403 engages with the fixing buckle 4032 on the outer wall of the separator 1, realizing the quick opening, closing and locking of the sealing door 401, which makes it convenient for staff to open the sealing door 401 to inspect, maintain or clean the inside of the separator 1; the discharge hole 5 at the bottom of the separator 1 is controlled to open and close by the valve 6, which can discharge the material or residue inside the tank when needed; the top fixing ring 8 and the surrounding support legs 7 are used to securely install the separator 1 on other equipment or bases to ensure the stability of the overall structure.

[0037] Working principle: The ferrous sulfate solution from titanium dioxide waste enters the equipment from the top of the separator 1 through the feed pipe 201. Simultaneously, flocculant and reagents may be introduced through the discharge pipe 202 and the diversion pipe 204 to achieve preliminary mixing of the solution and wastewater. The vent pipe 203 is used to discharge the gas generated during the feeding process, maintaining stable gas pressure inside the tank. The motor 2061 drives the fixed shaft 2062 and the stirring blades 2063 to rotate at high speed, driving the stirring frame 205 to rotate, causing the solution to form a strong turbulence inside the feed pipe 201 and within the separator 1. The intense turbulence and the stirring component 206 accelerate the collision and contact between the reagent and impurities in the wastewater, promoting flocculation or chemical reactions, causing the impurities to form larger flocs or precipitates. The mixed solution flows out from the bottom of the feed pipe 201 and enters the main body of the separator 1. At this time, the separation mechanism 2 guides the fluid to distribute evenly, reduces the flow velocity, and creates a laminar flow environment suitable for sedimentation. Under the action of gravity, the denser flocs or precipitates settle to the bottom of the tank, while the purified clear liquid flows upward and enters the upper part of the separator 1. Structure 3 ensures that the separation tank 1 is in a closed state during operation to prevent liquid leakage or the entry of external impurities, while maintaining stable pressure inside the tank. The clarified liquid is discharged through the discharge pipe 202 at the top of the separation tank 1 and enters subsequent treatment for further filtration, reuse, or discharge in compliance with standards. If the discharge pipe 202 is designed with a diversion pipe 204, part of the clear liquid can be returned to the feed end for diluting high-concentration wastewater or recycling flocculants. The bottom of the separation tank 1 is equipped with a sludge discharge port, which is sent to the sludge treatment system for resource utilization or harmless disposal. The inspection mechanism 4 is used to monitor the liquid level, water quality changes, or equipment operating status in the tank in real time, so that operators can judge the sedimentation effect, whether the flocculant dosage is reasonable, or detect equipment failure in time. Mechanical stirring accelerates the chemical reaction and flocculation process, shortens the sedimentation time, and improves the purification efficiency. Uniform water distribution and laminar flow design reduce fluid disturbance, improve the sedimentation effect, and prevent the re-suspension of settled impurities. Closed operation prevents pollution diffusion. The visual inspection mechanism 4 facilitates real-time monitoring and reduces maintenance costs.

[0038] The sealing mechanism 3 achieves sealing of the top of the separator 1 and related functions through the coordinated operation of its components. The sealing ring 301 is fixed to the top of the outer wall of the separator 1 and directly fits against the tank opening, serving as the core component of the seal and preventing leakage of internal gas or materials. The support block 302 provides support and positioning, offering a stable fulcrum for the rotating frame 303. When sealing the separator 1 is required, rotating the handle 3062 drives the rotating frame 303 to rotate around the support block 302, causing the rotating frame 303 to cover the top of the separator 1. At this time, the fixing block 304 on the rotating frame 303 can cooperate with the corresponding structure on the separator 1 to further position and stabilize the position of the rotating frame 303. Subsequently, the fixing component 306 is operated, and the rotating shaft 3061 is rotated to drive the fixing clamp. Rotation of 3063 causes it to engage with the separator 1 or related structure, tightly connecting the rotating frame 303 to the separator 1 from multiple directions. Adjusting clamp 3064 can rotate and adjust its position around the outer wall of the rotating frame 303, reinforcing different positions and enhancing the stability of the seal. Through the double fixing of fixing clamp 3063 and adjusting clamp 3064, the rotating frame 303, sealing ring 301 and separator 1 are tightly fitted, achieving a good sealing effect. In addition, the exhaust pipe 3065 on the outer wall of sealing ring 301 can promptly discharge excess gas when the internal pressure of separator 1 is too high, balancing the internal pressure and preventing damage to the sealing structure or safety problems caused by excessive pressure. It can also serve as a channel for gas sampling or ventilation when needed, meeting the needs of different working conditions.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency sedimentation separator for purifying ferrous sulfate byproducts in titanium dioxide waste, comprising a separation tank (1), characterized in that: A separation mechanism (2) is fixedly connected to the middle of the inner wall of the separation tank (1). The separation mechanism (2) is used to thoroughly remove internal dirt. A sealing mechanism (3) is fixedly connected to the top of the outer wall of the separation mechanism (2). The sealing mechanism (3) is used to seal the separator. An inspection mechanism (4) is fixedly connected to one side of the outer wall of the separation tank (1). The separation mechanism (2) includes a feed pipe (201), which is fixedly connected to the top of the outer wall of the separation tank (1). A discharge pipe (202) is fixedly connected to the left side of the outer wall of the feed pipe (201). An air outlet pipe (203) is installed on the rear side of the outer wall of the feed pipe (201). A diversion pipe (204) is connected to one side of the outer wall of the discharge pipe (202). A stirring frame (205) is rotatably connected to the middle of the inner wall of the feed pipe (201). A stirring assembly (206) is fixedly connected to the middle of the outer wall of the stirring frame (205).

2. The high-efficiency sedimentation separator for purifying waste ferrous sulfate from titanium dioxide production according to claim 1, characterized in that: The stirring assembly (206) includes a motor (2061), which is fixedly connected to the bottom of the outer wall of the separation tank (1). The output end of the motor (2061) is fixedly connected to a fixed shaft (2062). A plurality of stirring blades (2063) are fixedly connected to one side of the outer wall of the fixed shaft (2062). The stirring blades (2063) are fixedly connected to the middle of the inner wall of the stirring frame (205).

3. The high-efficiency sedimentation separator for purifying ferrous sulfate byproducts in titanium dioxide waste according to claim 1, characterized in that: The sealing mechanism (3) includes a sealing ring (301), which is fixedly connected to the top of the outer wall of the separation tank (1). A support block (302) is fixedly connected to one side of the outer wall of the sealing ring (301). A rotating frame (303) is rotatably connected to the top of the support block (302). A fixing block (304) is fixedly connected to one side of the outer wall of the rotating frame (303). An adjusting frame (305) is fixedly connected to the right side of the top of the rotating frame (303). Fixing components (306) are fixedly connected to all four sides of the outer wall of the sealing ring (301).

4. The high-efficiency sedimentation separator for purifying waste ferrous sulfate from titanium dioxide production according to claim 3, characterized in that: The fixing component (306) includes a rotating shaft (3061), which is rotatably connected to the outer wall of the sealing ring (301). A handle (3062) is rotatably connected to the top of the outer wall of the rotating frame (303). A fixing clip (3063) is rotatably connected to the top of the outer wall of the rotating shaft (3061). An adjusting clip (3064) is rotatably connected to the outer wall of the rotating frame (303). An exhaust pipe (3065) is provided on one side of the outer wall of the sealing ring (301).

5. The high-efficiency sedimentation separator for purifying waste ferrous sulfate from titanium dioxide production according to claim 1, characterized in that: The inspection mechanism (4) includes a sealing door (401), which is rotatably connected to one side of the outer wall of the separation tank (1). A sealing gasket (402) is fixedly connected around the outer wall of the sealing door (401), and a connecting assembly (403) is fixedly connected to one side of the outer wall of the sealing door (401).

6. The high-efficiency sedimentation separator for purifying waste ferrous sulfate from titanium dioxide production according to claim 5, characterized in that: The connecting assembly (403) includes a handle (4031), which is fixedly connected to one side of the outer wall of the sealing door (401). A fixing buckle (4032) is fixedly connected to one side of the outer wall of the separation tank (1), and the fixing buckle (4032) engages with the handle (4031).

7. The high-efficiency sedimentation separator for purifying waste ferrous sulfate from titanium dioxide production according to claim 1, characterized in that: The bottom side of the separator (1) is connected to a discharge hole (5), and a valve (6) is rotatably connected to the top of the outer wall of the discharge hole (5).

8. The high-efficiency sedimentation separator for purifying waste ferrous sulfate from titanium dioxide as described in claim 1, characterized in that: A fixing ring (8) is fixedly connected to the top of the outer wall of the separation tank (1), and multiple support legs (7) are fixedly connected around the outer wall of the fixing ring (8).

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