Settling device for titanium dioxide industry wastewater

Abstract

The application relates to the technical field of wastewater treatment, in particular to a settling device for titanium dioxide industrial wastewater, which comprises a sedimentation frame, long frames are fixedly arranged on the front and back sides of the top of the sedimentation frame, and connecting strips are slidably arranged in the long frames. The settling device for titanium dioxide industrial wastewater is characterized in that a motor drives the rotation of the internal thread sleeve on the side, the rectangular frame is limited by the reinforcing strips, the internal thread sleeve drives the rectangular frame, the connecting strips, the round rod and the arc-shaped groove to move left and right through the reinforcing strips, when the arc-shaped groove moves to contact the side of the limiting block, the round rod is deflected, the discharge roller on the side is deflected, and the flocculating agent in the collecting groove is deflected, so that the discharge roller drives the flocculating agent in the discharge roller to move left and right and be in the state of discharging, and then the flocculating agent is uniformly and quickly delivered into the sedimentation frame, and the speed of treating the titanium dioxide industrial wastewater is increased.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wastewater treatment, in particular to a settling device for titanium dioxide industrial wastewater. BACKGROUND

[0002] Titanium dioxide, as an inorganic chemical pigment with extremely wide application, is well known for its excellent hiding power, whiteness and stability. There are two main technical routes for the industrial production of titanium dioxide, namely the sulfuric acid method and the more modern chlorination method. The sulfuric acid method has a long history and a relatively complex process. The production starts with the fine grinding of ilmenite raw materials to increase the contact area for subsequent reactions. The ground ore powder is subjected to a vigorous acidolysis reaction in a strong acid environment to convert titanium elements into soluble sulfate solution. In order to facilitate subsequent separation and purification, the solution needs to be reduced to adjust the valence of specific metal ions. Then, the key step of freezing crystallization is introduced, which precipitates a large amount of ferrous sulfate from the solution by cooling to separate and remove iron impurities. After filtering the preliminarily purified titanium liquid, the titanium components need to be converted into solid titanium dioxide, which is usually done by calcination in a high-temperature rotary kiln. The calcined crude titanium dioxide needs to be crushed and ground to achieve the required fineness and particle size distribution for pigment application.

[0003] The existing industrial wastewater generated in the production process of titanium dioxide is complex, usually containing various suspended particles that are difficult to settle naturally, heavy metal ions and acidic substances. In order to effectively purify such wastewater, the method of adding flocculants is commonly used. Flocculants can promote the collision and aggregation of fine impurity particles in wastewater through physical and chemical actions such as electric neutralization, adsorption bridging, and net capture sweeping, gradually forming larger and heavier flocculation bodies, which eventually settle to the bottom of the pool under the action of gravity, achieving solid-liquid separation and purifying the water quality. Since the wastewater treatment pool is usually designed to be very wide, in order to ensure that the flocculant can fully contact and react with the impurities in the wastewater, the staff must carry the flocculant material and move frequently on the pool periphery or the pre-set platform, and switch different dosing points for dispersed addition. This point-to-point dosing method is labor-intensive and difficult to achieve uniform distribution of flocculants in the entire large water space in a short time, thereby delaying the overall speed of effective settlement of impurities to the bottom of the pool in the entire wastewater treatment process.

[0004] In view of this, we propose a settling device for titanium dioxide industrial wastewater. SUMMARY

[0005] The present application aims to provide a settling device for titanium dioxide industrial wastewater, to solve the problem of high labor intensity and difficulty in achieving uniform distribution of flocculant in the entire large water space within a short time, thereby delaying the overall speed of effective sedimentation of impurities to the bottom of the pool in the entire wastewater treatment process, due to the fact that the wastewater treatment pool is usually designed very wide, in order to ensure that the flocculant can fully contact and react with the impurities in the wastewater, the staff must carry the flocculant material, find the preset platform at the periphery of the pool body or frequently move, and switch different adding points for dispersion, which is a point-to-point adding method. To achieve the above purpose, the present application provides the following technical scheme: a settling device for titanium dioxide industrial wastewater, comprising a sedimentation frame, long frames are fixedly arranged on the front and rear sides of the top of the sedimentation frame, connecting strips are slidably arranged in the long frames, a moving mechanism for scattering flocculant is fixedly arranged on the opposite side of the two connecting strips, a motor is fixedly connected to the right side of the sedimentation frame, the left end of the rotating shaft of the motor penetrates into the interior of the sedimentation frame and is fixedly connected with a reciprocating screw rod, the left end of the reciprocating screw rod is rotatably connected with the left side of the inner wall of the sedimentation frame, a scraping mechanism for cleaning the sedimentation frame is threadedly connected to the side surface of the reciprocating screw rod, a drainage groove is formed in the left side of the sedimentation frame, and a sealing plate is clamped in the interior of the drainage groove.

[0006] Preferably, the moving mechanism comprises a rectangular frame, the front and rear sides of the rectangular frame are fixedly connected with the opposite sides of the two connecting strips respectively, a round rod is movably inserted into the middle of the inner wall of the rectangular frame, a discharge roller is fixedly sleeved with the middle of the side surface of the round rod, a plurality of collection grooves are annularly formed at equal distances on the side surface of the discharge roller, a receiving frame is fixedly connected to the top of the rectangular frame, the rectangular frame provides stable support and guides the flow of materials, the movably inserted round rod enables the discharge roller to rotate flexibly, the plurality of collection grooves annularly distributed on the surface of the discharge roller efficiently temporarily store target materials, significantly improving the collection capacity per unit time, the trapezoidal receiving frame at the top serves as a material inlet, its unique shape facilitates smooth and concentrated flow of materials into the interior of the rectangular frame, avoiding inlet blockage and ensuring continuous and stable supply of materials to the collection grooves below.

[0007] Preferably, four arc-shaped grooves are arranged on the left and right sides of the side of the round rod, limit rings are fixedly arranged on the left and right sides of the top of the precipitation frame, four limit blocks are fixedly connected inside the limit rings, the side of the limit block is chamfered, and the side of the limit block is in sliding fit with the side of the inner wall of the arc-shaped groove, the bottom of the inner wall of the precipitation frame is chamfered, the limit block in the limit ring is in sliding fit with the arc-shaped groove on the round rod, the axial movement and the circumferential freedom of the discharge roller are effectively constrained, the rotating track is stable and reliable, the chamfering of the side of the limit block greatly reduces the friction resistance, the rotating operation is more convenient and smooth, and the chamfering of the bottom of the precipitation frame is a key flow guide design, which can guide the titanium dioxide wastewater to naturally slide to a specific area, greatly facilitates the subsequent cleaning or discharge process, and reduces the accumulation of materials at the bottom.

[0008] Preferably, the shape of the inside of the receiving frame is isosceles trapezoidal, and the bottom of the inner wall of the receiving frame is communicated with the top of the rectangular frame. The bottom of the inner wall of the rectangular frame is provided with a discharge groove, and the bottom of the rectangular frame is fixedly connected with two connecting blocks. The opposite side of the two connecting blocks is fixedly connected with a triangular block, and the triangular block is located at the bottom of the discharge groove. The isosceles trapezoidal cross-section of the receiving frame is the key to its efficient operation. This structure, which is large at the top and small at the bottom, has a natural converging and flow guiding effect on the material, effectively preventing the clogging of the flocculating agent and ensuring smooth falling of the material into the rectangular frame. The discharge groove at the bottom is the outlet for the material to leave the rectangular frame. The triangular block above the discharge groove can effectively guide the movement into the precipitation frame, ensuring the continuity and reliability of the discharge.

[0009] Preferably, the scraping mechanism comprises an internal thread sleeve movably sleeved on the side of the reciprocating screw rod, two reinforcing strips fixedly connected to the top of the two connecting strips respectively, a connecting frame fixedly connected to the bottom of the internal thread sleeve, a T-shaped strip slidingly arranged in the connecting frame, a vertical bar of the T-shaped strip in contact with the bottom of the inner wall of the precipitation frame, a first compression spring fixedly connected to the top of the horizontal bar of the T-shaped strip, and the top end of the first compression spring fixedly connected to the upper side of the inner wall of the connecting frame. The internal thread sleeve cooperates with the reciprocating screw rod to convert rotary motion into linear reciprocating motion. The scraping function is realized by the elastically compressed T-shaped strip. The first compression spring continuously applies downward pressure to ensure that the bottom end of the vertical bar of the T-shaped strip is always in close contact with the bottom of the precipitation frame. Even if the internal bottom surface is inclined, the T-shaped strip can still adaptively fit. During the reciprocating motion, the T-shaped strip scrapes off the material deposited on the bottom and pushes it to the side of the discharge groove, significantly improving the cleaning efficiency and effect.

[0010] Preferably, the sealing plate comprises a T-shaped plate, the vertical plate of the T-shaped plate is rotationally connected to the left side of the precipitation frame, the side of the horizontal plate of the T-shaped plate is slidably matched with the inside of the drainage groove, the left side of the T-shaped plate is provided with an L-shaped slot, a C-shaped strip is slidably arranged in the L-shaped slot, a second compression spring is arranged above the C-shaped strip, and the second compression spring provides downward elastic force in a normal state to push the C-shaped strip to keep in a low position in the L-shaped slot; when the T-shaped plate is closed, the right side vertical plate part of the C-shaped strip is automatically clamped into the pre-set clamping groove at the bottom of the drainage groove under the action of the compression spring, forming a firm mechanical locking, without additional manual operation, the locking can be completed, accidental opening of the sealing plate is effectively prevented, and when opening, the C-shaped strip is only needed to be slid upward to be out of the clamping groove.

[0011] Preferably, the top of the horizontal strip of the C-shaped strip is fixedly provided with a second compression spring, the top end of the second compression spring is fixedly connected with the top of the inner wall of the horizontal slot of the L-shaped slot, and the bottom of the inner wall of the drainage groove is provided with a clamping groove matched with the right side vertical groove of the C-shaped strip.

[0012] Preferably, the left side of the precipitation frame is provided with a right-angle slot, the inside of the right-angle slot is slidably matched with the side of the left side vertical strip of the C-shaped strip, and the sliding matching of the right-angle slot at the left side of the precipitation frame with the left side vertical strip of the C-shaped strip provides a key guide and limiting action for the locking mechanism; when the C-shaped strip is operated to slide upward and downward to lock and unlock, the left side vertical strip always moves in the right-angle slot, which firstly ensures that the sliding direction of the C-shaped strip is stable and cannot deviate or be stuck, and secondly, the side wall of the right-angle slot limits the horizontal movement of the C-shaped strip, so that the right side vertical groove part of the C-shaped strip can be accurately and reliably aligned and clamped into the clamping groove at the bottom of the drainage groove.

[0013] Compared with the prior art, the present application has the following beneficial effects:

[0014] In the present application, the inner thread sleeve at the side of the motor is rotated by the motor, and the rectangular frame, the connecting strip, the circular rod and the arc-shaped groove are driven to move left and right by the inner thread sleeve through the reinforcing strip limiting the rectangular frame, so that when the arc-shaped groove moves to contact the side of the limiting block, the circular rod is deflected, and the discharge roller at the side of the circular rod and the flocculating agent in the collecting groove are deflected, so that the discharge roller drives the flocculating agent in the discharge roller to move left and right and be in a discharging state, the flocculating agent is uniformly and quickly conveyed into the inside of the precipitation frame, and the speed of treating titanium dioxide industrial wastewater is increased.

[0015] In the application, the inner thread sleeve is moved back and forth by the motor, the connecting frame is moved by the inner thread sleeve, and the T-shaped strip is moved by the connecting frame, when the T-shaped strip is at the highest point of the inclined surface inside the precipitation frame, the bottom of the T-shaped strip receives the pressure from the bottom of the inner wall of the precipitation frame, the first compression spring is compressed, the T-shaped strip is in the stress of the first compression spring, and the bottom of the precipitation frame is contacted, when the T-shaped strip moves to the lowest point of the inclined inner wall of the precipitation frame, the T-shaped strip is reset by the first compression spring, the T-shaped strip is in the contact state with the inner wall of the precipitation frame, and then the impurities in the inner wall of the precipitation frame are quickly moved to the side of the drainage groove.

[0016] In the application, the C-shaped strip is moved to the upper side of the inner wall of the L-shaped groove, the second compression spring is compressed, the right vertical strip of the C-shaped strip is moved out of the clamping groove, the fixing of the T-shaped plate is released, the T-shaped plate is turned up, the left vertical strip of the C-shaped strip is moved into the horizontal groove of the right angle groove, the C-shaped strip is relaxed, the left vertical strip of the C-shaped strip is moved into the horizontal groove of the right angle groove through the second compression spring, and the drainage groove is quickly opened. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic diagram of the application;

[0018] Figure 2 It is a three-dimensional structure sectional view of the precipitation frame of the application;

[0019] Figure 3 It is a three-dimensional structure schematic diagram of the moving mechanism of the application;

[0020] Figure 4 It is a partial three-dimensional structure sectional view of the moving mechanism of the application;

[0021] Figure 5 It is a partial three-dimensional structure development diagram of the rectangular frame of the application;

[0022] Figure 6 It is a partial three-dimensional structure sectional view of the precipitation frame of the application;

[0023] Figure 7 It is a partial three-dimensional structure development diagram of the scraping mechanism of the application;

[0024] Figure 8 It is a partial three-dimensional structure sectional view of the scraping mechanism of the application;

[0025] Figure 9 It is a partial three-dimensional structure schematic diagram of the sealing plate of the application;

[0026] Figure 10 It is a partial three-dimensional structure development diagram of the sealing plate of the application.

[0027] In the figure: 1, the precipitation frame; 101, right angle groove; 2, long frame; 3, connecting strip; 4, moving mechanism; 401, rectangular frame; 402, round rod; 403, discharge roller; 404, collection groove; 405, storage frame; 406, arc groove; 407, limiting ring; 408, limiting block; 409, discharge groove; 4010, connecting block; 4011, triangular block; 5, motor; 6, reciprocating screw rod; 7, scraping mechanism; 701, internal thread sleeve; 702, reinforcing strip; 703, connecting frame; 704, T-shaped strip; 705, first compression spring; 8, discharge groove; 801, clamping groove; 9, sealing plate; 901, T-shaped plate; 902, L-shaped groove; 903, C-shaped strip; 904, second compression spring. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0029] Please refer to Figure 1 To the figure, the present application provides a technical scheme: a settling device for titanium dioxide industrial wastewater, comprising a precipitation frame 1, long frames 2 are fixedly arranged on the front and rear sides of the top of the precipitation frame 1, connecting strips 3 are slidably arranged in the long frames 2, moving mechanisms 4 for spreading flocculants are fixedly arranged on the opposite sides of the two connecting strips 3, a motor 5 is fixedly connected to the right side of the precipitation frame 1, a reciprocating screw rod 6 is fixedly connected to the left end of the rotating shaft of the motor 5 and penetrates into the inside of the precipitation frame 1, the left end of the reciprocating screw rod 6 is rotatably connected to the left side of the inner wall of the precipitation frame 1, a scraping mechanism 7 for cleaning the precipitation frame 1 is threadedly connected to the side surface of the reciprocating screw rod 6, a discharge groove 8 is formed in the left side of the precipitation frame 1, and a sealing plate 9 is clamped in the inside of the discharge groove 8.

[0030] Example one:

[0031] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 to Figure 6 The present embodiment provides a technical scheme:

[0032] The moving mechanism 4 comprises a rectangular frame 401, the front and back sides of the rectangular frame 401 are fixedly connected with the sides opposite to the two connecting strips 3 respectively, a round rod 402 is movably inserted into the middle of the inner wall of the rectangular frame 401, a discharging roller 403 is fixedly sleeved with the middle of the side surface of the round rod 402, a plurality of collecting grooves 404 are annularly and equidistantly formed in the side surface of the discharging roller 403, and a receiving frame 405 is fixedly connected with the top of the rectangular frame 401;

[0033] Four arc-shaped grooves 406 are formed in the left and right sides of the side surface of the round rod 402, limit rings 407 are fixedly arranged on the left and right sides of the top of the sedimentation frame 1, four limit blocks 408 are fixedly connected with the inside of the limit rings 407, the side surface of the limit blocks 408 is chamfered, and the side surface of the limit blocks 408 is in sliding fit with the side surface of the inner wall of the arc-shaped grooves 406, and the bottom of the inner wall of the sedimentation frame 1 is chamfered;

[0034] In the embodiment, the bottom of the sedimentation frame 1 which is chamfered can make the impurities inside the sedimentation frame 1 move to the side of the bottom of the inner wall of the sedimentation frame 1 which is inclined, when the inner thread sleeve 701 drives the rectangular frame 401 and the round rods 402 on the two sides of the rectangular frame 401 to move left and right through the reinforcing strips 702, the moving round rods 402 can move with the arc-shaped grooves 406 inside the round rods 402 and be in contact with the side surface of the limit blocks 408, so that the arc-shaped grooves 406 drive the round rods 402 and the discharging rollers 403 on the side surfaces of the round rods 402 to rotate;

[0035] Embodiment two:

[0036] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 to Figure 8 , the embodiment provides a technical scheme:

[0037] The shape of the inside of the receiving frame 405 is isosceles trapezoidal, the bottom of the inner wall of the receiving frame 405 is in communication with the top of the rectangular frame 401, a discharging groove 409 is formed in the bottom of the inner wall of the rectangular frame 401, two connecting blocks 4010 are fixedly connected with the bottom of the rectangular frame 401, triangular blocks 4011 are fixedly connected with the opposite sides of the two connecting blocks 4010 and located at the bottom of the discharging groove 409;

[0038] The scraping mechanism 7 comprises an internally-threaded sleeve 701 movably sleeved on the side of the reciprocating screw rod 6, two reinforcing strips 702 fixedly connected to the top of the two connecting strips 3 respectively and fixedly connected to the front and rear of the internally-threaded sleeve 701, a connecting frame 703 fixedly connected to the bottom of the internally-threaded sleeve 701, a T-shaped strip 704 slidably arranged in the connecting frame 703, the bottom of the vertical strip of the T-shaped strip 704 in contact with the bottom of the inner wall of the sedimentation frame 1, the top of the horizontal strip of the T-shaped strip 704 fixedly connected with the first compression spring 705, and the top end of the first compression spring 705 fixedly connected with the upper side of the inner wall of the connecting frame 703.

[0039] In the embodiment, the internally-threaded sleeve 701 is continuously moved left and right by rotating the reciprocating screw rod 6 and limiting the internally-threaded sleeve 701 by the reinforcing strips 702, and the T-shaped strip 704 is moved by the connecting frame 703, so that the impurities deposited on the bottom of the inner wall of the sedimentation frame 1 are quickly discharged.

[0040] Embodiment three:

[0041] Please refer to Figure 2 、 Figure 6 、 Figure 7 、 Figure 8 、 Figure 9 to Figure 10 The embodiment provides a technical scheme:

[0042] The sealing plate 9 comprises a T-shaped plate 901, the vertical plate of the T-shaped plate 901 is rotatably connected to the left side of the sedimentation frame 1, the side of the horizontal plate of the T-shaped plate 901 is slidably matched with the inside of the drainage groove 8, the left side of the T-shaped plate 901 is provided with an L-shaped groove 902, and the C-shaped strip 903 is slidably arranged in the L-shaped groove 902.

[0043] The top of the horizontal strip of the C-shaped strip 903 is fixedly provided with the second compression spring 904, the top end of the second compression spring 904 is fixedly connected with the top of the inner wall of the horizontal groove of the L-shaped groove 902, and the bottom of the inner wall of the drainage groove 8 is provided with a clamping groove 801 matched with the right side vertical groove of the C-shaped strip 903.

[0044] The left side of the sedimentation frame 1 is provided with a right-angle groove 101, and the inside of the right-angle groove 101 is slidably matched with the side of the left side vertical strip of the C-shaped strip 903.

[0045] In the embodiment, when the right side vertical strip of the C-shaped strip 903 is in the inside of the clamping groove 801, the sedimentation frame 1 can be sealed, and when the left side vertical strip of the C-shaped strip 903 moves to the inside of the right-angle groove 101, the drainage groove 8 can be opened, and the T-shaped plate 901 can be deflected to the upper side of the sedimentation frame 1.

[0046] The use method and advantages of the present application are as follows:

[0047] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 As shown in the figure, first pour the flocculant into the inside of the storage frame 405, and make part of the flocculant inside the collection tank 404 on the upper side of the discharge roller 403, drive the inner threaded sleeve 701 on the side of the motor 5 to rotate, at the same time limit the rectangular frame 401 through the reinforcing strip 702, make the inner threaded sleeve 701 drive the rectangular frame 401 and the two connecting strips 3 to move left and right through the reinforcing strip 702, at the same time the two round rods 402 move left and right with the arc-shaped groove 406 on the side, when the arc-shaped groove 406 moves to contact the side of the limiting block 408, make the round rod 402 deflect, at the same time drive the discharge roller 403 on the side to deflect with the flocculant inside the collection tank 404, make the discharge roller 403 drive the flocculant inside to move left and right continuously and be in the state of discharging, that is, the flocculant can be quickly and uniformly transported into the inside of the precipitation frame 1, which increases the speed of titanium dioxide industrial wastewater treatment;

[0048] When the titanium dioxide industrial wastewater is separated from the impurities inside and the separated wastewater is discharged, drive the inner threaded sleeve 701 limited by the reinforcing strip 702 through the rotating shaft of the motor 5 to move left and right continuously, make the inner threaded sleeve 701 drive the connecting frame 703 at the bottom to move, and drive the T-shaped strip 704 to move through the connecting frame 703, when the T-shaped strip 704 is at the highest point of the inclined surface inside the precipitation frame 1, the bottom of the T-shaped strip 704 receives the pressure from the inner wall bottom of the precipitation frame 1, compresses the first compression spring 705 upward, so that the T-shaped strip 704 is in the stress of the first compression spring 705 compression, and touches the bottom of the precipitation frame 1, when the T-shaped strip 704 moves to the lowest point of the inclined inner wall of the precipitation frame 1, the T-shaped strip 704 moves downward through the elastic force of the first compression spring 705 reset, so that the T-shaped strip 704 can be in contact with the inner wall of the precipitation frame 1 all the time, and then can quickly move the impurities of the inner wall of the precipitation frame 1 to the side of the discharge slot 8;

[0049] By moving the C-shaped strip 903 to the upper side of the inner wall of the L-shaped groove 902, the second compression spring 904 is compressed, the right vertical strip of the C-shaped strip 903 is moved out of the inside of the clamping groove 801, the fixing state of the T-shaped plate 901 is released, then the T-shaped plate 901 is turned up, the left vertical strip of the C-shaped strip 903 is moved to the inside of the horizontal groove of the right-angle groove 101, finally the C-shaped strip 903 is relaxed, the left vertical strip of the C-shaped strip 903 is moved to the inside of the horizontal groove of the right-angle groove 101 by the elastic force of the second compression spring 904, the drainage groove 8 can be quickly opened, and the impurities precipitated in the inside of the sedimentation frame 1 can be quickly taken out.

[0050] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above-mentioned embodiments, the above-mentioned embodiments and descriptions in the specification are only preferred examples of the present application, and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A settling device for titanium dioxide industrial wastewater, comprising a precipitation frame (1), long frames (2) are fixedly arranged on the front and back sides of the top of the precipitation frame (1), characterized in that: The inside of the long frame (2) is slidably provided with connecting strips (3), and the opposite sides of the two connecting strips (3) are fixedly provided with moving mechanisms (4) for spreading flocculants, the moving mechanism (4) comprises a rectangular frame (401), the front and rear sides of the rectangular frame (401) are fixedly connected with the opposite sides of the two connecting strips (3) respectively, a round rod (402) is movably inserted into the middle of the inner wall of the rectangular frame (401), a discharging roller (403) is fixedly sleeved on the middle of the side of the round rod (402), a plurality of collecting grooves (404) are annularly and equidistantly formed on the side of the discharging roller (403), a receiving frame (405) is fixedly connected to the top of the rectangular frame (401), four arc-shaped grooves (406) are formed on the left and right sides of the side of the round rod (402), limit rings (407) are fixedly arranged on the left and right sides of the top of the sedimentation frame (1), four limit blocks (408) are fixedly connected inside the limit ring (407), the side of the limit block (408) is rounded, and the side of the limit block (408) is in sliding fit with the side of the inner wall of the arc-shaped groove (406), the bottom of the inner wall of the sedimentation frame (1) is beveled, a motor (5) is fixedly connected to the right side of the sedimentation frame (1), the left end of the rotating shaft of the motor (5) penetrates into the inside of the sedimentation frame (1) and is fixedly connected with a reciprocating lead screw (6), the left end of the reciprocating lead screw (6) is in rotary fit with the left side of the inner wall of the sedimentation frame (1), a scraping mechanism (7) for cleaning the sedimentation frame (1) is screw-connected to the side of the reciprocating lead screw (6), the scraping mechanism (7) comprises an internal thread sleeve (701), the internal thread sleeve (701) is movably sleeved on the side of the reciprocating lead screw (6), two reinforcing strips (702) are fixedly connected to the front and rear sides of the internal thread sleeve (701), the top of the two reinforcing strips (702) is fixedly connected with the bottom of the two connecting strips (3) respectively, a connecting frame (703) is fixedly connected to the bottom of the internal thread sleeve (701), a T-shaped strip (704) is slidably arranged inside the connecting frame (703), the bottom of the vertical strip of the T-shaped strip (704) is in contact with the bottom of the inner wall of the sedimentation frame (1), a first compression spring (705) is fixedly connected to the top of the horizontal strip of the T-shaped strip (704), the top end of the first compression spring (705) is fixedly connected with the upper side of the inner wall of the connecting frame (703), a drainage groove (8) is formed on the left side of the sedimentation frame (1), and a sealing plate (9) is clamped in the inside of the drainage groove (8).

2. The settling device for titanium dioxide industry wastewater according to claim 1, characterized in that: The inside of the receiving frame (405) is isosceles trapezoidal, and the bottom of the inner wall of the receiving frame (405) is communicated with the top of the rectangular frame (401), a discharging groove (409) is formed in the bottom of the inner wall of the rectangular frame (401), two connecting blocks (4010) are fixedly connected to the bottom of the rectangular frame (401), triangular blocks (4011) are fixedly connected to the opposite sides of the two connecting blocks (4010) and located at the bottom of the discharging groove (409).

3. The device for settling titanium dioxide industry wastewater according to claim 1, characterized in that: The sealing plate (9) comprises a T-shaped plate (901), the vertical plate of the T-shaped plate (901) is rotationally connected to the left side of the precipitation frame (1), the side of the horizontal plate of the T-shaped plate (901) is slidably matched with the inside of the drainage groove (8), the left side of the T-shaped plate (901) is provided with an L-shaped groove (902), and the inside of the L-shaped groove (902) is slidably provided with a C-shaped strip (903).

4. The settling device for titanium dioxide industry wastewater according to claim 3, characterized in that: The top of the horizontal strip of the C-shaped strip (903) is fixedly provided with a second compression spring (904), the top end of the second compression spring (904) is fixedly connected with the top of the inner wall of the horizontal groove of the L-shaped groove (902), and the bottom of the inner wall of the drainage groove (8) is provided with a clamping groove (801) matched with the right side vertical groove of the C-shaped strip (903).

5. The settling device for titanium dioxide industry wastewater according to claim 1, characterized in that: The left side of the precipitation frame (1) is provided with a right-angle groove (101), and the inside of the right-angle groove (101) is slidably matched with the side of the left side vertical strip of the C-shaped strip (903).

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