Quartz sand pickling purification device

Abstract

The invention relates to the technical field of quartz sand purification, in particular to a quartz sand pickling purification device. The quartz sand pickling purification device comprises a bottom plate and a pickling kettle, a waste acid valve is arranged at the bottom of the pickling kettle, the top of the bottom plate is fixedly connected with a filter box, and the inner side wall of the filter box is fixedly connected with a sedimentation tank. The quartz sand pickling and purifying device has the beneficial effects that the quartz sand pickling and purifying device is convenient for purifying and recycling pickling waste acid, so that the utilization rate of the waste acid is higher, the pickling cost is lower, and the serious influence on the environment, soil and the like is reduced; according to the waste acid filtering device, the device is simple in structure and convenient to use, precipitated impurities are conveniently scraped and cleaned, meanwhile, the impurities are conveniently extruded, waste acid in the device can be extruded out, the size of the impurities can be reduced, the cleaning efficiency is higher, the cleaning effect is better, and the waste acid filtering effect is guaranteed; the adsorption layer can be subjected to backwashing operation, so that the blockage is avoided, and the filtering efficiency and effect are ensured.

Description

Technical Field

[0001] The invention relates to the technical field of quartz sand purification, in particular to a quartz sand acid washing and purification device. Background Art

[0002] With the development of fiber optic communication, microelectronics, solar energy and other industries, high-purity quartz sand, as an important raw material, has become increasingly important. Impurity elements in quartz sand will significantly affect the performance of quartz products. Among them, transition metals such as iron will affect the light transmittance and conductivity of quartz products; excessive content of alkali metal impurities such as potassium and sodium will reduce the high temperature resistance of quartz products, thereby affecting its thermal stability and optical properties. To obtain ultra-high-quality quartz sand, it is necessary to purify it. Quartz sand pickling and purification mainly uses acid to dissolve and separate impurities in quartz sand to achieve the purpose of purification. In this process, metal oxides and silicate minerals in quartz sand will react chemically under acidic conditions to generate water-soluble compounds, and then these compounds are separated from quartz sand by filtration and other methods to obtain high-purity quartz sand. It mainly uses the characteristics that quartz is insoluble in acid and other impurity minerals can be dissolved by acid to achieve the beneficiation and purification of quartz. Commonly used acids include sulfuric acid, hydrochloric acid and hydrofluoric acid.

[0003] For example, the patent with publication number CN103663469B discloses a quartz sand purification process, including rod grinding, desludging, flotation, acid leaching and magnetic separation, and optimizes each step. The process is simple, the impurity removal effect is good, and refined quartz sand can be obtained.

[0004] However, when the existing quartz sand pickling and purification device is in use, it is not convenient to purify and reuse the pickling waste acid after the pickling and purification is completed, which not only makes the utilization rate of the waste acid low and the pickling cost high, but also has a serious impact on the environment, soil, etc. Summary of the invention

[0005] The present invention aims at the technical problems existing in the prior art and provides a quartz sand pickling and purification device to solve the problem that the existing quartz sand pickling and purification device is not convenient for purifying and reusing the pickling waste acid when in use, which not only leads to a low utilization rate of the waste acid and a high pickling cost, but also causes serious impacts on the environment, soil, etc.

[0006] The technical solution of the present invention to solve the above technical problems is as follows: a quartz sand pickling and purification device comprises a bottom plate and a pickling kettle, a waste acid valve is arranged at the bottom of the pickling kettle, a filter box is fixedly connected to the top of the bottom plate, and a sedimentation tank is fixedly connected to the inner wall of the filter box, the sedimentation tank comprises an inclined plate and a discharge port, and a push plate is connected to the sedimentation tank through a first moving mechanism, a waste acid pipe is fixedly connected to the lower end of the waste acid valve, and the other end of the waste acid pipe passes through the side wall of the filter box and is connected to the sedimentation tank, a sealing plate is slidably connected to the side wall of the discharge port, and a first inclined plate is arranged at the bottom of the sealing plate The top of the sealing plate passes through the top of the filter box and is connected to the top of the filter box through a second movable mechanism, a liquid outlet pipe is fixedly inserted at the top of the filter box, and the lower end of the liquid outlet pipe is connected to the sedimentation tank, an adsorption layer is arranged at the lower end of the liquid outlet pipe, and a first solenoid valve is fixedly connected to the upper end of the liquid outlet pipe, an overflow port is fixedly connected to the upper end of the first solenoid valve, and a connecting mechanism is arranged between the sedimentation tank and the overflow port, a backwashing mechanism for backwashing the adsorption layer is arranged at the top of the filter box, and a collecting mechanism for collecting impurities is arranged on the side wall of the filter box.

[0007] Based on the above technical solution, the present invention can also be improved as follows.

[0008] Furthermore, the first moving mechanism includes a support plate fixedly connected to the top of the base plate, and the side wall of the support plate is fixedly connected to a cylinder, the telescopic end of the cylinder is fixedly connected to a first moving block, the side wall of the first moving block is connected to a second moving block through a telescopic mechanism, and the other end of the second moving block penetrates into the sedimentation tank and is fixed to the side wall of the push plate.

[0009] The beneficial effect of adopting the above further solution is that the cylinder is started to drive the first moving block to move toward the filter box, and the second moving block is driven to move through the telescopic mechanism, thereby driving the push plate to move toward the sealing plate.

[0010] Furthermore, the telescopic mechanism includes two symmetrically arranged first T-shaped guide rods fixedly connected to the side walls of the second moving block, the first moving block is sleeved on the side walls of the first T-shaped guide rods, and the side walls of each first T-shaped guide rod are sleeved with a first spring.

[0011] The beneficial effect of adopting the above further solution is that when the impurities abut against the side wall of the sealing plate, the first spring is gradually compressed, and at this time, the impurities can be squeezed.

[0012] Furthermore, the second moving mechanism includes a first connecting plate fixedly connected to the side wall of the sealing plate, and the first connecting plate is connected to the top of the filter box through a reset mechanism, the side wall of the first connecting plate is fixedly connected with a push rod, and the top of the filter box is slidably connected with a push block, the push block includes a second inclined surface, and a connecting mechanism is arranged between the push block and the first moving block.

[0013] The beneficial effect of adopting the above further scheme is that when the first moving block moves, the pushing block can be driven to move through the connecting mechanism. After the extrusion is completed, when the second inclined surface abuts against the side wall of the pushing rod, the pushing rod can slide upward along the second inclined surface, thereby pushing the sealing plate to move upward. At the same time, the second spring is compressed. At this time, the discharge port is opened, and the extruded impurities can be discharged through the discharge port.

[0014] Furthermore, the connection mechanism includes an L-shaped plate fixedly connected to the side wall of the first moving block, and a second connection plate is fixedly connected between the L-shaped plate and the pushing block.

[0015] The beneficial effect of adopting the above further solution is that when the first moving block moves, the pushing block can be driven to move via the L-shaped plate and the second connecting plate.

[0016] Furthermore, the reset mechanism includes two symmetrically arranged second T-shaped guide rods fixedly connected to the top of the filter box, the first connecting plate is sleeved on the side walls of the second T-shaped guide rods, and the side walls of each second T-shaped guide rod are sleeved with a second spring.

[0017] The beneficial effect of adopting the above further solution is that it plays a guiding and resetting role in the movement of the first connecting plate and the sealing plate.

[0018] Furthermore, the connecting mechanism includes a first connecting pipe fixedly inserted into the side wall of the inclined plate, and one end of the first connecting pipe is connected to the interior of the sedimentation tank and is provided with a filter, the other end of the first connecting pipe is fixedly connected to a second solenoid valve, and a second connecting pipe is fixedly connected between the second solenoid valve and the overflow port.

[0019] The beneficial effect of adopting the above further scheme is that when the second solenoid valve is opened and the first solenoid valve is closed, the push plate can scrape and clean the impurities in the sedimentation tank. When the impurities are against the side wall of the sealing plate, the first spring is gradually compressed. At this time, the impurities can be squeezed. At the same time, the waste acid in the sedimentation tank and the impurities can be discharged into the overflow port through the first connecting pipe, the second solenoid valve and the second connecting pipe.

[0020] Furthermore, the backwash mechanism comprises a fixed cylinder fixedly connected to the top of the filter box, and a movable column is slidably connected inside the fixed cylinder, and a third connecting pipe is fixedly connected between the fixed cylinder and the liquid outlet pipe.

[0021] The beneficial effect of adopting the above further scheme is that during cleaning, when the pushing plate moves, the waste liquid in the sedimentation tank can be discharged into the overflow port through the first connecting pipe, the second solenoid valve and the second connecting pipe. At the same time, when the second moving block moves, the moving column can slide into the fixed cylinder, so that the filtered clear liquid temporarily stored in the fixed cylinder can be squeezed into the liquid outlet pipe through the third connecting pipe, and enter the sedimentation tank after passing through the adsorption layer, so that the adsorption layer can be backwashed to avoid clogging and ensure its filtration efficiency and effect. Moreover, when the pushing plate moves, the impurities on the surface of the adsorption layer can also be scraped and cleaned and squeezed, so that the cleaning efficiency is higher and the effect is better, thereby ensuring the effect of waste acid filtration.

[0022] Furthermore, a third connecting plate is fixedly connected to the top of the second moving block, and an upper end of the third connecting plate is fixed to the bottom of the moving column.

[0023] The beneficial effect of adopting the above further solution is that when the second moving block moves, the moving column can be driven to slide into the fixed cylinder through the third connecting plate.

[0024] Furthermore, the collecting mechanism includes a collecting trough inserted into the side wall of the filter box, and a handle is fixedly connected to the side wall of the collecting trough.

[0025] The beneficial effect of adopting the above further solution is that the impurities discharged through the discharge port can fall into the collection tank for collection, and the collection tank can be pulled out by the handle for unified cleaning.

[0026] The beneficial effects of the present invention are:

[0027] 1) By setting the first moving mechanism and the connecting mechanism, when the quartz sand is used, the pickling and purification is carried out in the pickling kettle. When the waste acid after pickling needs to be filtered, the waste acid valve is opened. At this time, the waste acid can enter the sedimentation tank in the filter box through the waste acid valve and the waste acid pipe, and settle from bottom to top through the inclined plate. The finer particles float up with the liquid and enter the upper adsorption layer and are intercepted. The clear liquid passes naturally, and flows out through the overflow port after passing through the liquid outlet pipe and the first solenoid valve for collection, and can enter the fixed cylinder through the third connecting pipe for temporary storage, so as to be used for subsequent backwashing. When it is necessary to clean the impurities precipitated in the sedimentation tank, the cylinder is started to drive the first moving block to approach The filter box moves in the direction of the filter box, and drives the second moving block to move through the telescopic mechanism, thereby driving the pushing plate to move in the direction close to the sealing plate. At the same time, the second solenoid valve is opened and the first solenoid valve is closed. At this time, the pushing plate can scrape and clean the impurities in the sedimentation tank. When the impurities are against the side wall of the sealing plate, the first spring is gradually compressed. At this time, the impurities can be squeezed. At the same time, the waste acid in the sedimentation tank and the impurities can enter the overflow port through the first connecting pipe, the second solenoid valve and the second connecting pipe for discharge. Moreover, when the first moving block moves, the pushing block can be driven to move through the L-shaped plate and the second connecting plate. After the extrusion is completed, when the second inclined surface and the pushing plate are in contact with each other, the first spring is pressed against the first connecting pipe, and the second connecting pipe is pressed against the second connecting pipe. When the side walls of the moving rod abut against each other, the pushing rod can slide upward along the second inclined surface, thereby pushing the sealing plate to move upward. At the same time, the second spring is compressed. At this time, the discharge port is opened, and the squeezed impurities can fall into the collecting tank through the discharge port for collection. When the sealing plate moves to the top of the impurities, the pushing plate can abut against the side wall of the sealing plate under the action of the first spring. Then, the first moving block is driven to move and reset through the first moving mechanism. At this time, the first spring is gradually reset. At the same time, the pushing block is driven to move and reset through the L-shaped plate and the second connecting plate. At this time, the sealing plate can move downward along the side wall of the pushing plate under the action of the second spring, and under the action of the first inclined surface, it can The impurities adhered to the surface of the push plate are scraped and cleaned, and fall into the collecting tank for collection. After the sealing plate seals the discharge port, the first spring is reset. At this time, when the first moving block continues to move, the telescopic mechanism and the second moving block can drive the push plate to move and reset, which is convenient for scraping and cleaning the precipitated impurities. At the same time, it is convenient to squeeze the impurities, which can not only squeeze out the internal waste acid, but also reduce the volume of impurities, making the cleaning efficiency higher and the effect better, thereby ensuring the effect of waste acid filtration, and facilitating the purification and reuse of pickling waste acid, which not only makes the utilization rate of waste acid higher and the pickling cost lower, but also reduces the serious impact on the environment, soil, etc.

[0028] 2) By setting a backwashing mechanism, when cleaning is performed, when the pushing plate moves, the waste liquid in the sedimentation tank can be discharged into the overflow port through the first connecting pipe, the second solenoid valve and the second connecting pipe. At the same time, when the second moving block moves, the third connecting plate can drive the moving column to slide into the fixed cylinder, so that the filtered clear liquid temporarily stored in the fixed cylinder can be squeezed into the liquid outlet pipe through the third connecting pipe, and enter the sedimentation tank after passing through the adsorption layer, so that the adsorption layer can be backwashed to avoid clogging and ensure the efficiency and effect of the filtration. Moreover, when the pushing plate moves, the impurities on the surface of the adsorption layer can also be scraped and cleaned and squeezed, so that the cleaning efficiency is higher and the effect is better, thereby ensuring the effect of waste acid filtration. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0030] Figure 2 It is a schematic diagram of the overall structure of the present invention from another perspective;

[0031] Figure 3 It is a partial cross-sectional structural schematic diagram of the filter box in the present invention;

[0032] Figure 4 It is a partial cross-sectional structural schematic diagram of the filter box and the sedimentation tank of the present invention;

[0033] Figure 5 It is a structural schematic diagram of the liquid outlet pipe in the present invention;

[0034] Figure 6 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0035] Figure 7 for Figure 3 A schematic diagram of the enlarged structure at B in the middle;

[0036] Figure 8 for Figure 6 Schematic diagram of the enlarged structure at point C in the middle.

[0037] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0038] 1. Bottom plate; 201. Support plate; 202. Cylinder; 203. First moving block; 204. Second moving block; 301. First T-shaped guide rod; 302. First spring; 401. First connecting plate; 402. Push rod; 403. Push block; 404. Second inclined surface; 501. Second T-shaped guide rod; 502. Second spring; 601. Fixed cylinder; 602. Moving column; 603. Third connecting pipe; 701. First connecting pipe; 702. Second solenoid valve ; 703, second connecting pipe; 801, collecting tank; 802, handle; 901, L-shaped plate; 902, second connecting plate; 10, third connecting plate; 11, pickling kettle; 1101, waste acid valve; 12, filter box; 13, sedimentation tank; 1301, inclined plate; 1302, discharge port; 14, waste acid pipe; 15, sealing plate; 1501, first inclined surface; 16, liquid outlet pipe; 17, first solenoid valve; 18, overflow port; 19, adsorption layer; 20, push plate. DETAILED DESCRIPTION

[0039] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0040] With the development of fiber optic communication, microelectronics, solar energy and other industries, high-purity quartz sand, as an important raw material, has become increasingly important. Impurity elements in quartz sand will significantly affect the performance of quartz products. Among them, transition metals such as iron will affect the light transmittance and conductivity of quartz products; excessive content of alkali metal impurities such as potassium and sodium will reduce the high temperature resistance of quartz products, thereby affecting its thermal stability and optical properties. To obtain ultra-high-quality quartz sand, it is necessary to purify it. Quartz sand pickling and purification mainly uses acid to dissolve and separate impurities in quartz sand to achieve the purpose of purification. In this process, metal oxides and silicate minerals in quartz sand will react chemically under acidic conditions to generate water-soluble compounds, and then these compounds are separated from quartz sand by filtration and other methods to obtain high-purity quartz sand. It mainly uses the characteristics that quartz is insoluble in acid and other impurity minerals can be dissolved by acid to achieve the beneficiation and purification of quartz. Commonly used acids include sulfuric acid, hydrochloric acid and hydrofluoric acid.

[0041] After in-depth investigation and research on the quartz sand pickling and purification process, the inventor found that after the pickling and purification are completed, it is not convenient to purify and reuse the waste acid from pickling, which not only leads to a low utilization rate of the waste acid and a high pickling cost, but also has a serious impact on the environment, soil, etc. In response to this, the inventor proposed a quartz sand pickling and purification device to solve the above problems.

[0042] The present invention provides the following preferred embodiments

[0043] like Figure 1-Figure 8As shown, a quartz sand pickling and purification device comprises a bottom plate 1 and a pickling kettle 11, a waste acid valve 1101 is arranged at the bottom of the pickling kettle 11, a filter box 12 is fixedly connected to the top of the bottom plate 1, and a sedimentation tank 13 is fixedly connected to the inner wall of the filter box 12, the sedimentation tank 13 comprises an inclined plate 1301 and a discharge port 1302, and a push plate 20 is connected to the sedimentation tank 13 through a first moving mechanism, a waste acid pipe 14 is fixedly connected to the lower end of the waste acid valve 1101, and the waste acid The other end of the pipe 14 penetrates the side wall of the filter box 12 and is connected to the sedimentation tank 13. The side wall of the discharge port 1302 is slidably connected with a sealing plate 15, and the bottom of the sealing plate 15 is provided with a first inclined surface 1501. The top of the sealing plate 15 penetrates the top of the filter box 12 and is connected to the top of the filter box 12 through a second moving mechanism. A liquid outlet pipe 16 is fixedly inserted at the top of the filter box 12, and the lower end of the liquid outlet pipe 16 is connected to the sedimentation tank 13. The lower end of the liquid outlet pipe 16 is provided with an adsorption Layer 19, the adsorption layer 19 can be made of new polyester material, and the upper end of the liquid outlet pipe 16 is fixedly connected with a first solenoid valve 17, the upper end of the first solenoid valve 17 is fixedly connected with an overflow port 18, and a connecting mechanism is arranged between the sedimentation tank 13 and the overflow port 18, and the top of the filter box 12 is provided with a backwashing mechanism for backwashing the adsorption layer 19, and the side wall of the filter box 12 is provided with a collecting mechanism for collecting impurities, which is convenient for purifying and reusing the waste acid from pickling, which not only makes the utilization rate of the waste acid higher and the pickling cost lower, but also reduces the serious impact on the environment, soil, etc.; it is convenient to scrape and clean the precipitated impurities, and at the same time, it is convenient to squeeze the impurities, which can not only squeeze out the internal waste acid, but also reduce the volume of the impurities, so that the cleaning efficiency is higher and the effect is better, thereby ensuring the effect of waste acid filtration; the adsorption layer 19 can be backwashed to avoid its blockage and ensure its filtration efficiency and effect.

[0044] In this embodiment, Figure 2 , Figure 4 , Figure 6 and Figure 8 As shown, the first moving mechanism includes a support plate 201 fixedly connected to the top of the base plate 1, and the side wall of the support plate 201 is fixedly connected to a cylinder 202, the telescopic end of the cylinder 202 is fixedly connected to a first moving block 203, the side wall of the first moving block 203 is connected to a second moving block 204 through a telescopic mechanism, and the other end of the second moving block 204 penetrates into the sedimentation tank 13 and is fixed to the side wall of the pushing plate 20, and the cylinder 202 is started to drive the first moving block 203 to move in a direction close to the filter box 12, and the second moving block 204 is driven to move through the telescopic mechanism, thereby driving the pushing plate 20 to move in a direction close to the sealing plate 15.

[0045] In this embodiment, Figure 8As shown, the telescopic mechanism includes two symmetrically arranged first T-shaped guide rods 301 fixedly connected to the side walls of the second movable block 204, the first movable block 203 is sleeved on the side walls of the first T-shaped guide rods 301, and the side walls of each first T-shaped guide rod 301 are sleeved with a first spring 302. When impurities collide with the side walls of the sealing plate 15, the first spring 302 is gradually compressed, and at this time, the impurities can be squeezed.

[0046] In this embodiment, Figure 6 and Figure 7 As shown, the second moving mechanism includes a first connecting plate 401 fixedly connected to the side wall of the sealing plate 15, and the first connecting plate 401 is connected to the top of the filter box 12 through a reset mechanism, the side wall of the first connecting plate 401 is fixedly connected with a push rod 402, and the top of the filter box 12 is slidably connected with a push block 403, the push block 403 includes a second inclined surface 404, and a connecting mechanism is arranged between the push block 403 and the first moving block 203, when the first moving block 203 moves, the push block 403 can be driven to move through the connecting mechanism, after the extrusion is completed, when the second inclined surface 404 is against the side wall of the push rod 402, the push rod 402 can slide upward along the second inclined surface 404, thereby pushing the sealing plate 15 to move upward, and at the same time, the second spring 502 is compressed, at this time, the discharge port 1302 is opened, and the extruded impurities can be discharged through the discharge port 1302.

[0047] In this embodiment, Figure 4 and Figure 6 As shown, the connecting mechanism includes an L-shaped plate 901 fixedly connected to the side wall of the first moving block 203, and a second connecting plate 902 is fixedly connected between the L-shaped plate 901 and the pushing block 403. When the first moving block 203 moves, the pushing block 403 can be driven to move by the L-shaped plate 901 and the second connecting plate 902.

[0048] In this embodiment, Figure 7 As shown, the reset mechanism includes two symmetrically arranged second T-shaped guide rods 501 fixedly connected to the top of the filter box 12, the first connecting plate 401 is sleeved on the side walls of the second T-shaped guide rods 501, and the side walls of each second T-shaped guide rod 501 are sleeved with a second spring 502, which guides and resets the movement of the first connecting plate 401 and the sealing plate 15.

[0049] In this embodiment, Figure 3 and Figure 7As shown, the connecting mechanism includes a first connecting pipe 701 fixedly inserted into the side wall of the inclined plate 1301, and one end of the first connecting pipe 701 is connected to the interior of the sedimentation tank 13 and is provided with a filter screen, the other end of the first connecting pipe 701 is fixedly connected to the second solenoid valve 702, and a second connecting pipe 703 is fixedly connected between the second solenoid valve 702 and the overflow port 18, the second solenoid valve 702 is opened, and the first solenoid valve 17 is closed. At this time, the push plate 20 can scrape and clean the impurities in the sedimentation tank 13, when the impurities are against the side wall of the sealing plate 15, the first spring 302 is gradually compressed, at this time, the impurities can be squeezed, and at the same time, the waste acid in the sedimentation tank 13 and the impurities can enter the overflow port 18 through the first connecting pipe 701, the second solenoid valve 702 and the second connecting pipe 703 and be discharged.

[0050] In this embodiment, Figure 6 As shown, the backwashing mechanism includes a fixed cylinder 601 fixedly connected to the top of the filter box 12, and a moving column 602 is slidably connected in the fixed cylinder 601, and a third connecting pipe 603 is fixedly connected between the fixed cylinder 601 and the liquid outlet pipe 16. When cleaning, when the push plate 20 moves, the waste liquid in the sedimentation tank 13 can be discharged into the overflow port 18 through the first connecting pipe 701, the second solenoid valve 702 and the second connecting pipe 703. At the same time, when the second moving block 204 moves, the moving column 602 can be moved to the overflow port 18. 02 slides into the fixed cylinder 601, so that the filtered clear liquid temporarily stored in the fixed cylinder 601 can be squeezed into the liquid outlet pipe 16 through the third connecting pipe 603, and enters the sedimentation tank 13 after passing through the adsorption layer 19, so that the adsorption layer 19 can be backwashed to avoid its blockage and ensure its filtration efficiency and effect. Moreover, when the pushing plate 20 moves, the impurities on the surface of the adsorption layer 19 can also be scraped and cleaned and squeezed, so that the cleaning efficiency is higher and the effect is better, thereby ensuring the effect of waste acid filtration.

[0051] In this embodiment, Figure 6 As shown, the top of the second moving block 204 is fixedly connected to the third connecting plate 10, and the upper end of the third connecting plate 10 is fixed to the bottom of the moving column 602. When the second moving block 204 moves, the moving column 602 can be driven to slide into the fixed cylinder 601 through the third connecting plate 10.

[0052] In this embodiment, Figure 1 and Figure 3 As shown, the collecting mechanism includes a collecting groove 801 inserted into the side wall of the filter box 12, and a handle 802 is fixedly connected to the side wall of the collecting groove 801. Impurities discharged through the discharge port 1302 can fall into the collecting groove 801 for collection, and the collecting groove 801 can be pulled out through the handle 802 for unified cleaning.

[0053] The specific method of use of the present invention is as follows:

[0054] When in use, first, when in use, quartz sand is pickled and purified in the pickling kettle 11. When the waste acid after pickling needs to be filtered, the waste acid valve 1101 is opened. At this time, the waste acid can enter the sedimentation tank 13 in the filter box 12 through the waste acid valve 1101 and the waste acid pipe 14, and settle from bottom to top through the inclined plate 1301. The finer particles float up with the liquid and enter the upper adsorption layer 19 and are intercepted. The clear liquid passes naturally, and flows out through the overflow port 18 after passing through the liquid outlet pipe 16 and the first solenoid valve 17 for collection, and can enter the fixed cylinder 601 through the third connecting pipe 603 for temporary storage, so as to be used for subsequent backwashing;

[0055] When it is necessary to clean the impurities deposited in the sedimentation tank 13, the cylinder 202 is started to drive the first moving block 203 to move toward the filter box 12, and the second moving block 204 is driven to move through the telescopic mechanism, thereby driving the push plate 20 to move toward the sealing plate 15. At the same time, the second solenoid valve 702 is opened and the first solenoid valve 17 is closed. At this time, the push plate 20 can scrape and clean the impurities in the sedimentation tank 13;

[0056] At the same time, when the second moving block 204 moves, the third connecting plate 10 can drive the moving column 602 to slide into the fixed cylinder 601, so that the filtered clear liquid temporarily stored in the fixed cylinder 601 can be squeezed into the liquid outlet pipe 16 through the third connecting pipe 603, and enter the sedimentation tank 13 after passing through the adsorption layer 19, so that the adsorption layer 19 can be backwashed to avoid clogging and ensure the efficiency and effect of its filtration. Moreover, when the pushing plate 20 moves, the impurities on the surface of the adsorption layer 19 can also be scraped and cleaned and squeezed, so that the cleaning efficiency is higher and the effect is better, thereby ensuring the effect of waste acid filtration.

[0057] When the impurities abut against the side wall of the sealing plate 15, the first spring 302 is gradually compressed. At this time, the impurities can be squeezed. At the same time, the waste acid in the sedimentation tank 13 and the impurities can be discharged into the overflow port 18 through the first connecting pipe 701, the second solenoid valve 702 and the second connecting pipe 703. Moreover, when the first moving block 203 moves, the push block 403 can be driven to move through the L-shaped plate 901 and the second connecting plate 902. After the extrusion is completed, when the second inclined surface 404 abuts against the side wall of the push rod 402, the push rod 402 can slide upward along the second inclined surface 404, thereby pushing the sealing plate 15 to move upward. At the same time, the second spring 502 is compressed. At this time, the discharge port 1302 is opened, and the squeezed impurities can fall into the collecting tank 801 through the discharge port 1302 for collection.

[0058] When the sealing plate 15 moves to the top of the impurities, the pushing plate 20 can be against the side wall of the sealing plate 15 under the action of the first spring 302, and then the first moving block 203 is driven to move and reset through the first moving mechanism. At this time, the first spring 302 is gradually reset. At the same time, the pushing block 403 is driven to move and reset through the L-shaped plate 901 and the second connecting plate 902. At this time, the sealing plate 15 can move downward along the side wall of the pushing plate 20 under the action of the second spring 502, and under the action of the first inclined surface 1501, the impurities adhered to the surface of the pushing plate 20 can be scraped and cleaned, and fall into the collecting groove 801 for collection. After the sealing plate 15 seals and blocks the discharge port 1302, the first spring 302 is reset.

[0059] When the first moving block 203 continues to move, the push plate 20 can be driven to move and reset through the telescopic mechanism and the second moving block 204, so that the precipitated impurities can be scraped and cleaned. At the same time, it is convenient to squeeze the impurities, which can not only squeeze out the internal waste acid, but also reduce the volume of impurities, so that the cleaning efficiency is higher and the effect is better, thereby ensuring the effect of waste acid filtration, and facilitating the purification and reuse of pickling waste acid, which not only makes the utilization rate of waste acid higher and the pickling cost lower, but also reduces the serious impact on the environment, soil, etc.

[0060] In summary: The beneficial effects of the present invention are specifically embodied in that it is convenient to purify and reuse the waste acid from pickling, which not only makes the utilization rate of the waste acid higher and the pickling cost lower, but also reduces the serious impact on the environment, soil, etc.; it is convenient to scrape and clean the precipitated impurities, and at the same time, it is convenient to squeeze the impurities, which can not only squeeze out the internal waste acid, but also reduce the volume of the impurities, making the cleaning efficiency higher and the effect better, thereby ensuring the effect of waste acid filtration; the adsorption layer 19 can be backwashed to avoid its blockage, thereby ensuring its filtration efficiency and effect.

[0061] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A quartz sand pickling and purification device, comprising a bottom plate (1) and a pickling kettle (11), wherein a waste acid valve (1101) is provided at the bottom of the pickling kettle (11), characterized in that: The top of the bottom plate (1) is fixedly connected to a filter box (12), and the inner side wall of the filter box (12) is fixedly connected to a sedimentation tank (13), the sedimentation tank (13) comprises an inclined plate (1301) and a discharge port (1302), and a push plate (20) is connected to the sedimentation tank (13) via a first moving mechanism, the lower end of the waste acid valve (1101) is fixedly connected to a waste acid pipe (14), and the other end of the waste acid pipe (14) passes through the side wall of the filter box (12) and is connected to the sedimentation tank (13), the side wall of the discharge port (1302) is slidably connected to a sealing plate (15), and the bottom of the sealing plate (15) is provided with a first inclined surface (1501), and the top of the sealing plate (15) passes through the filter box (12). The top of the filter box (12) is connected to the top of the filter box (12) through a second moving mechanism, a liquid outlet pipe (16) is fixedly inserted into the top of the filter box (12), and the lower end of the liquid outlet pipe (16) is connected to the sedimentation tank (13), an adsorption layer (19) is arranged at the lower end of the liquid outlet pipe (16), and a first solenoid valve (17) is fixedly connected to the upper end of the liquid outlet pipe (16), an overflow port (18) is fixedly connected to the upper end of the first solenoid valve (17), and a connecting mechanism is arranged between the sedimentation tank (13) and the overflow port (18), a backwashing mechanism for backwashing the adsorption layer (19) is arranged at the top of the filter box (12), and a collecting mechanism for collecting impurities is arranged on the side wall of the filter box (12).

2. A quartz sand pickling and purification device according to claim 1, characterized in that: The first moving mechanism comprises a support plate (201) fixedly connected to the top of the bottom plate (1), and the side wall of the support plate (201) is fixedly connected to a cylinder (202), the telescopic end of the cylinder (202) is fixedly connected to a first moving block (203), the side wall of the first moving block (203) is connected to a second moving block (204) via a telescopic mechanism, and the other end of the second moving block (204) penetrates into the sedimentation tank (13) and is fixed to the side wall of the push plate (20).

3. A quartz sand pickling and purification device according to claim 2, characterized in that: The telescopic mechanism comprises two symmetrically arranged first T-shaped guide rods (301) fixedly connected to the side wall of the second moving block (204); the first moving block (203) is sleeved on the side wall of the first T-shaped guide rod (301); and the side wall of each first T-shaped guide rod (301) is sleeved with a first spring (302).

4. A quartz sand pickling and purification device according to claim 2, characterized in that: The second moving mechanism comprises a first connecting plate (401) fixedly connected to the side wall of the sealing plate (15), and the first connecting plate (401) is connected to the top of the filter box (12) via a reset mechanism, the side wall of the first connecting plate (401) is fixedly connected with a push rod (402), and the top of the filter box (12) is slidably connected with a push block (403), the push block (403) comprises a second inclined surface (404), and a connecting mechanism is provided between the push block (403) and the first moving block (203).

5. A quartz sand pickling and purification device according to claim 4, characterized in that: The connection mechanism comprises an L-shaped plate (901) fixedly connected to the side wall of the first moving block (203), and a second connection plate (902) is fixedly connected between the L-shaped plate (901) and the pushing block (403).

6. A quartz sand pickling and purification device according to claim 5, characterized in that: The reset mechanism comprises two symmetrically arranged second T-shaped guide rods (501) fixedly connected to the top of the filter box (12), the first connecting plate (401) being sleeved on the side walls of the second T-shaped guide rods (501), and the side walls of the second T-shaped guide rods (501) are sleeved with second springs (502).

7. A quartz sand pickling and purification device according to claim 1, characterized in that: The connecting mechanism comprises a first connecting pipe (701) fixedly inserted into the side wall of the inclined plate (1301), one end of the first connecting pipe (701) is connected to the interior of the sedimentation tank (13) and is provided with a filter screen, the other end of the first connecting pipe (701) is fixedly connected to a second solenoid valve (702), and a second connecting pipe (703) is fixedly connected between the second solenoid valve (702) and the overflow port (18).

8. A quartz sand pickling and purification device according to claim 2, characterized in that: The backwashing mechanism comprises a fixed cylinder (601) fixedly connected to the top of the filter box (12), a movable column (602) being slidably connected inside the fixed cylinder (601), and a third connecting pipe (603) being fixedly connected between the fixed cylinder (601) and the liquid outlet pipe (16).

9. A quartz sand pickling and purification device according to claim 8, characterized in that: The top of the second moving block (204) is fixedly connected to a third connecting plate (10), and the upper end of the third connecting plate (10) is fixed to the bottom of the moving column (602).

10. A quartz sand pickling and purification device according to claim 1, characterized in that: The collecting mechanism comprises a collecting groove (801) inserted into the side wall of the filter box (12), and a handle (802) is fixedly connected to the side wall of the collecting groove (801).

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