Trichlorosilane synthesis silica fume recycling and re-reacting device

Abstract

The invention relates to the technical field of fine chemical engineering, and discloses a trichlorosilane synthesis silica fume recycling and re-reacting device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a working box, the top of the bottom plate is fixedly connected with a reaction box, the left side of the reaction box is fixedly connected with an air inlet pipe, and the end, away from the reaction box, of the air inlet pipe is fixedly connected with the inner wall of the working box; a discharging pipe is fixedly connected to the surface of the reaction box, a feeding pump is fixedly connected to the end, away from the reaction box, of the discharging pipe, the telescopic mechanism comprises a side plate fixedly connected with the inner wall of the working box, and a telescopic pipe is fixedly connected to a slotted hole in the surface of the side plate. By arranging the telescopic mechanism, the recovery efficiency of silica fume in reaction tail gas is improved, when the silica fume is collected in the working box, a small part of silica fume cannot float in the working box, and silica fume contained in subsequent reaction tail gas and silica fume left after previous treatment are mixed together.

Description

Technical Field

[0001] The invention relates to the technical field of fine chemical industry, in particular to a device for recovering and reacting trichlorosilane synthesis silicon ash. Background Art

[0002] The trichlorosilane synthesis silica ash recovery and re-reaction device is an important equipment for recovering and reusing silica ash produced in the trichlorosilane synthesis process. During the trichlorosilane synthesis process, a certain amount of silica ash will be produced. These silica ash are mainly composed of unreacted silicon powder and other impurities. The trichlorosilane synthesis silica ash recovery and re-reaction device processes the silica ash through a specific process so that it can participate in the trichlorosilane synthesis reaction again.

[0003] Patent application with application number CN202310838534.0 discloses a trichlorosilane synthetic silica ash recovery and re-reaction device, including a reaction tank and a collecting mechanism, the outer wall of the reaction tank is fixedly connected with a vent pipe, the collecting mechanism includes an exhaust pipe, one end of the exhaust pipe is fixedly connected to the outer wall of the reaction tank, an electrifying component is arranged inside the exhaust pipe, and an adsorption component is arranged outside the electrifying component.

[0004] However, the patent also has the following shortcomings: during the synthesis process of trichlorosilane, reaction exhaust gas is generated, and the exhaust gas contains silica ash. When the silica ash in the reaction exhaust gas is collected and processed by a trichlorosilane synthesis silica ash recovery and re-reaction device, the silica ash will easily float around due to the flow of exhaust gas inside the collection device. Although a large amount of silica ash is finally collected by the recovery device, some silica ash still remains inside the collection device, resulting in a decrease in the recovery efficiency of the silica ash. In view of this situation, a trichlorosilane synthesis silica ash recovery and re-reaction device is specially proposed. Summary of the invention

[0005] The object of the present invention is to provide a device for recovering and reacting trichlorosilane synthesized silicon ash to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a trichlorosilane synthetic silicon ash recovery and re-reaction device, comprising a bottom plate, a working box is fixedly connected to the top of the bottom plate, a reaction box is fixedly connected to the top of the bottom plate, an air intake pipe is fixedly connected to the left side of the reaction box, one end of the air intake pipe away from the reaction box is fixedly connected to the inner wall of the working box, a discharge pipe is fixedly connected to the surface of the reaction box, one end of the discharge pipe away from the reaction box is fixedly connected to a feed pump, the feed pump is fixedly connected to the inner wall of the working box, one side of the feed pump is fixedly connected to an absorption pipe, a connecting mechanism is provided at the bottom of the inner wall of the working box, and an impact mechanism is provided at the top of the inner wall of the working box, and also includes: The telescopic mechanism includes a side plate fixedly connected to the inner wall of the working box, a telescopic tube fixedly connected to the surface groove of the side plate, one end of the telescopic tube fixedly connected to a friction pad, a folding ring fixedly connected to the bottom of the inner wall of the side plate, an end of the folding ring away from the bottom of the inner wall of the side plate fixedly connected to a linkage block, both sides of the linkage block are slidably connected to the inner wall of the side plate through sliders, both sides of the inner wall of the linkage block are rotatably connected to clamping arms through a rotating shaft, a scraper assembly is provided at one end of the clamping arm away from the linkage block, and when the telescopic tube is extended and retracted inward and outward, compressed gas will be generated and flow into the folding ring through the internal passage of the side plate.

[0007] According to the above technical solution, the scraper assembly includes a contact block fixedly connected to one end of the clamping arm, the inner wall of the contact block is rotatably connected to a sliding arm on both sides through a rotating shaft, the bottom of the inner wall of the sliding arm is fixedly connected to a bouncing ring, the left side of the sliding arm is fixedly connected to a collision ring, and the sliding arm makes sliding contact with the inner wall of the working box.

[0008] According to the above technical solution, the connecting mechanism includes a connecting block, which is fixedly connected to the bottom of the inner wall of the working box, and the top of the connecting block is fixedly connected to a rotating box. The inner wall of the rotating box is provided with an adjustment component, and the top of the connecting block is provided with a divergence component. The three-phase motor inside the rotating box is remotely started to drive the connecting arm to rotate on the inner wall of the rotating box.

[0009] According to the above technical solution, the divergent component includes a chassis, a cylinder is fixedly connected to the top of the chassis, a vibration rod is fixedly connected to the top of the cylinder, a transmission rod is fixedly connected to the surface of the vibration rod, and a connecting frame is fixedly connected to the surface of the cylinder. The surface of the vibration membrane will float up and down on the inner wall of the connecting frame due to the vibration force.

[0010] According to the above technical solution, the adjustment component includes a connecting arm, one end of the connecting arm is rotatably connected to the inner walls of the rotating box on both sides via a rotating shaft, one end of the connecting arm is fixedly connected to a storage tray, the inner wall of the storage tray is rotatably connected to an absorption plate via a rotating shaft, the top of the absorption plate is fixedly connected to an impact pad, the bottom of the absorption plate is fixedly connected to a trigger arm, and the top of the connecting arm is fixedly connected to a feed pipe. When the silica ash floats upward, it will come into contact with the surface of the absorption plate and be absorbed through the absorption holes on the surface of the absorption plate.

[0011] According to the above technical solution, the impact mechanism includes a circular ring, which is fixedly connected to the top of the inner wall of the working box, a shrinkage tube is fixedly connected to the bottom of the circular ring, a transmission rod is slidably connected to the inner wall of the shrinkage tube, and a landing assembly is provided on the top of the inner wall of the working box. When one end of the transmission rod is extended into the interior of the shrinkage tube, air pressure is generated in the shrinkage tube and flows into the adsorption film through the internal passage of the circular ring.

[0012] According to the above technical solution, the landing assembly includes a connecting plate, which is fixedly connected to the top of the inner wall of the working box, and the inner walls of the connecting plate are rotatably connected with adsorption membranes on both sides through a rotating shaft. The end of the adsorption membrane away from the connecting plate is fixedly connected to the surface of the ring, and the bottom of the adsorption membrane is fixedly connected to a jet membrane, and the inner wall of the jet membrane is fixedly connected to a contraction bag, and the surface of the jet membrane is squeezed so that the internal contraction bag of the jet membrane is pressurized and compressed gas is sprayed outward.

[0013] According to the above technical solution, the diverging component also includes a vibration membrane, which is rotatably connected to the inner walls of the connecting frame on both sides via a rotating shaft, and the end of the vibration membrane away from the connecting frame is fixedly connected to the top of the chassis, and a vibration tube is fixedly connected to the top of the chassis, and the top of the vibration tube is fixedly connected to the bottom of the vibration membrane, and the end of the transmission rod away from the vibration rod is fixedly connected to the top of the vibration membrane, and when gas is ejected from the surface slots of the vibration membrane, the silica ash inside and on the top of the vibration membrane will be blown upward.

[0014] Compared with the prior art, the present invention provides a device for recovering and re-reacting trichlorosilane synthetic silicon ash, which has the following beneficial effects: 1. The present invention is provided with a connecting mechanism. When gas is ejected from the surface slots of the vibration membrane, the silicon ash inside and on the top of the vibration membrane will be blown upward. The silicon ash floating upward will come into contact with the surface of the absorption plate, and will be absorbed through the absorption holes on the surface of the absorption plate. By setting up this mechanism, the silicon ash in the reaction exhaust gas that floats downward to the bottom of the inner wall of the working box and has not been collected can be recovered again, thereby improving the recovery efficiency of the silicon ash in the reaction exhaust gas.

[0015] 2. The present invention is provided with an impact mechanism. When compressed gas is ejected outward from the slots on both sides of the jet membrane, the ejected compressed gas will blow the silicon ash adhered to the top of the inner wall of the working box, so that the silicon ash adhered to the top of the inner wall of the working box is blown and falls downward to the surface of the absorption plate. By setting up this mechanism, the silicon ash floating on the top of the inner wall of the working box in the reaction exhaust gas can be cleaned for a second time, thereby facilitating the absorption plate to more efficiently recover the silicon ash in the exhaust gas.

[0016] 3. The present invention is provided with an adsorption membrane. After the interior of the adsorption membrane receives air pressure, it will expand and contract outward and float up and down on the inner wall of the connecting plate. In the process of floating up and down, the adsorption membrane will also shake off the silicon ash adhering to the surface of the adsorption membrane in the reaction exhaust gas to the bottom, and let the silicon ash float to the bottom on the surface of the absorption plate, thereby improving the efficiency of the absorption plate in recovering silicon ash.

[0017] 4. The present invention is provided with a telescopic mechanism. Since the silica ash in the reaction exhaust gas will adhere to the inner wall of the working box as the exhaust gas and is difficult to clean, the silica ash on the inner wall of the working box can be removed while the silica ash is allowed to float down to the surface of the vibration membrane, thereby improving the recovery efficiency of the silica ash in the reaction exhaust gas. When collecting the silica ash inside the working box, a small part of the silica ash can be prevented from floating inside the working box, and the silica ash contained in the subsequent reaction exhaust gas can be mixed with the silica ash left after the previous treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the internal cross-sectional structure of the working box of the present invention; Figure 3 It is a cross-sectional structural schematic diagram of the connection mechanism of the present invention; Figure 4 is a stereogram of the adjustment assembly of the present invention; Figure 5 is a stereogram of the divergent assembly of the present invention; Figure 6 is a three-dimensional diagram of the impact mechanism of the present invention; Figure 7 is a perspective view of the landing assembly of the present invention; Figure 8 is a three-dimensional diagram of the telescopic mechanism of the present invention; Fig. 9 It is a three-dimensional view of the scraper assembly of the present invention.

[0019] In the figure: 1, bottom plate; 2, working box; 3, reaction box; 4, discharge pipe; 5, feeding pump; 6, air intake pipe; 7, connecting mechanism; 701, connecting block; 702, rotating box; 703, adjusting component; 7031, connecting arm; 7032, feeding pipe; 7033, storage tray; 7034, absorption plate; 7035, impact pad; 7036, trigger arm; 704, divergence component; 7041, bottom plate; 7042, vibration tube; 7043, cylinder; 7044, vibration rod; 7045, connecting frame; 7046, transmission rod; 70 47. Vibrating membrane; 8. Impact mechanism; 801. Ring; 802. Contraction tube; 803. Transmission rod; 804. Landing assembly; 8041. Connecting plate; 8042. Adsorption membrane; 8043. Contraction bag; 8044. Jet membrane; 9. Telescopic mechanism; 901. Side plate; 902. Telescopic tube; 903. Friction pad; 904. Linking block; 905. Folding ring; 906. Clamping arm; 907. Scraper assembly; 9071. Contact block; 9072. Sliding arm; 9073. Bounce ring; 9074. Collision ring; 10. Absorption tube. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] For example, see Figure 1-Figure 5 The present invention provides a technical solution: a trichlorosilane synthetic silicon ash recovery and re-reaction device, comprising a bottom plate 1, a working box 2 is fixedly connected to the top of the bottom plate 1, a reaction box 3 is fixedly connected to the top of the bottom plate 1, an air intake pipe 6 is fixedly connected to the left side of the reaction box 3, an end of the air intake pipe 6 away from the reaction box 3 is fixedly connected to the inner wall of the working box 2, a discharge pipe 4 is fixedly connected to the surface of the reaction box 3, an end of the discharge pipe 4 away from the reaction box 3 is fixedly connected to a feed pump 5, the feed pump 5 is fixedly connected to the inner wall of the working box 2, an absorption pipe 10 is fixedly connected to one side of the feed pump 5, a connecting mechanism 7 is provided at the bottom of the inner wall of the working box 2, and an impact mechanism 8 is provided at the top of the inner wall of the working box 2, and also includes: The connecting mechanism 7 includes a connecting block 701, which is fixedly connected to the bottom of the inner wall of the working box 2, and the top of the connecting block 701 is fixedly connected to a rotating box 702, the inner wall of the rotating box 702 is provided with an adjusting component 703, and the top of the connecting block 701 is provided with a diverging component 704.

[0022] The diverging component 704 includes a chassis 7041, a cylinder 7043 is fixedly connected to the top of the chassis 7041, a vibration rod 7044 is fixedly connected to the top of the cylinder 7043, a transfer rod 7046 is fixedly connected to the surface of the vibration rod 7044, and a connecting frame 7045 is fixedly connected to the surface of the cylinder 7043.

[0023] The adjustment component 703 includes a connecting arm 7031, one end of which is rotatably connected to both sides of the inner wall of the rotating box 702 through a rotating shaft, and one end of the connecting arm 7031 is fixedly connected to a storage tray 7033. When the internal space of the storage tray 7033 is full of silica ash, the working box 2 can be opened, and the absorption pipe 10 can be stretched outward into the inside of the feed pipe 7032. By starting the feed pump 5 to generate suction, the silica ash inside the storage tray 7033 is absorbed into the discharge pipe 4 through the absorption pipe 10, and the silica ash inside the discharge pipe 4 is re-introduced into the inside of the reaction box 3 through the suction device of the reaction box 3, and the trichlorosilane synthesis is continued. The inner wall of the storage tray 7033 is rotatably connected to the absorption plate 7034 through a rotating shaft, and the top of the absorption plate 7034 is fixedly connected to an impact pad 7035. The top of the impact pad 7035 is installed with a telescopic pad. The telescopic pad has internal and external telescopic characteristics. When the telescopic pad is squeezed with the outside, the internal space of the telescopic pad will be compressed, thereby forming a pressure difference with the outside, and forming a negative pressure suction force inside the absorption plate 7034, and finally absorbing outwards through the absorption holes on the surface of the absorption plate 7034. The bottom of the absorption plate 7034 is fixedly connected to a trigger arm 7036, and the top of the connecting arm 7031 is fixedly connected to a feed pipe 7032.

[0024] The diverging component 704 also includes a vibration membrane 7047, which is rotatably connected to the inner walls of the connecting frame 7045 on both sides via a rotating shaft. The end of the vibration membrane 7047 away from the connecting frame 7045 is fixedly connected to the top of the chassis 7041. A storage hole is opened inside the vibration membrane 7047, and the top of the vibration tube 7042 is connected to the inside of the storage hole. When the vibration tube 7042 expands and contracts inwardly, the internal gas will be ejected into the inside of the storage hole. The top of the chassis 7041 is fixedly connected with the vibration tube 7042, and the top of the vibration tube 7042 is fixedly connected to the bottom of the vibration membrane 7047. The end of the transmission rod 7046 away from the vibration rod 7044 is fixedly connected to the top of the vibration membrane 7047.

[0025] The working method of the first embodiment is as follows: the reaction tail gas generated during the synthesis of trichlorosilane inside the reaction box 3 will flow into the working box 2 through the air inlet pipe 6, and the three-phase motor inside the rotating box 702 will drive the connecting arm 7031 to rotate on the inner wall of the rotating box 702 when the remote start is started. When the connecting arm 7031 is rotating, the absorption plate 7034 will rotate inside the storage tray 7033 due to the rotational inertia. When the absorption plate 7034 rotates, the silica ash contained in the reaction tail gas will flow into the interior of the storage tray 7033 through the absorption holes on the surface of the absorption plate 7034. When the connecting arm 7031 rotates to the bottom of the vibration rod 7044 on the inner wall of the rotating box 702, the impact block on the surface of the storage tray 7033 comes into contact with the top of the vibration rod 7044, causing the interior of the vibration rod 7044 to vibrate, and the vibration force is transmitted to the vibration membrane 7047 through the transmission rod 7046 on its surface. The surface of the vibration membrane 7047 is subjected to the vibration force. It will float up and down on the inner wall of the connecting frame 7045, and in the process of floating, it will be squeezed with the vibration tube 7042 at the bottom, thereby driving the vibration tube 7042 to expand and contract downward. When the vibration tube 7042 expands and contracts downward, the gas inside it will be released into the interior of the vibration membrane 7047, and the released gas will be ejected outward from the surface slots of the vibration membrane 7047. In the process of silica ash contained in the reaction exhaust gas floating to the bottom, a part of the silica ash will fall into the top and the inside of the slots of the vibration membrane 7047. When the gas is ejected from the surface slots of the vibration membrane 7047, the silica ash inside and on the top of the vibration membrane 7047 will be blown upward. When the silica ash floating upward, it will come into contact with the surface of the absorption plate 7034, so as to be absorbed through the absorption holes on the surface of the absorption plate 7034, and the silica ash that floats downward to the bottom of the inner wall of the working box 2 and has not been collected in the reaction exhaust gas can be recovered again, thereby improving the recovery efficiency of silica ash in the reaction exhaust gas.

[0026] Example 2: Based on Example 1, continue to refer to Figure 6-Figure 7 The impact mechanism 8 includes a circular ring 801, which is fixedly connected to the top of the inner wall of the working box 2, a shrink tube 802 is fixedly connected to the bottom of the circular ring 801, a transmission rod 803 is slidably connected to the inner wall of the shrink tube 802, and a landing assembly 804 is provided on the top of the inner wall of the working box 2.

[0027] The landing assembly 804 includes a connecting plate 8041, which is fixedly connected to the top of the inner wall of the working box 2. Adsorption membranes 8042 are rotatably connected to the inner walls of the connecting plate 8041 on both sides through a rotating shaft. The end of the adsorption membrane 8042 away from the connecting plate 8041 is fixedly connected to the surface of the ring 801. The adsorption membrane 8042 is made of a membrane material and has the property of being expandable and retractable. A cavity is opened inside the adsorption membrane 8042. When receiving external gas, it will expand and float on the inner wall of the connecting plate 8041. The bottom of the adsorption membrane 8042 is fixedly connected to a jet membrane 8044. The jet membrane 8044 is made of a soft rubber material that is retractable inside and outside, and the jet membrane 8044 is installed inside the adsorption membrane 8042. When the adsorption membrane is subjected to external pressure, the compressed gas inside will be ejected outward into the slots on both sides of the jet membrane 8044. The inner wall of the jet membrane 8044 is fixedly connected to a contraction bag 8043.

[0028] The working method of the second embodiment of the present invention is as follows: when the adsorption film 8042 floats up and down, it will drive the jet film 8044 at its bottom to move up and down. When the bottom of the jet film 8044 is squeezed with the top of the inner wall of the working box 2, the surface of the jet film 8044 is squeezed, so that the internal contraction bag 8043 of the jet film 8044 is pressurized and the compressed gas is sprayed outward. When the compressed gas is sprayed outward from the slots on both sides of the jet film 8044, the sprayed compressed gas will blow the silicon ash adhered to the top of the inner wall of the working box 2, so that the silicon ash adhered to the top of the inner wall of the working box 2 is blown and falls downward to the surface of the absorption plate 7034. By setting up this mechanism, the silicon ash floating on the top of the inner wall of the working box 2 in the reaction tail gas can be cleaned for the second time, so that the absorption plate 7034 can recover the silicon ash in the tail gas more efficiently. When the connecting arm 7031 is in the rotating box When the inner wall of 702 rotates, the impact pad 7035 on the top of the absorption plate 7034 will slide on the bottom of the ring 801. When the top of the impact pad 7035 is in compression contact with the transmission rod 803, one end of the transmission rod 803 is squeezed into the inside of the shrink tube 802 through the top of the impact pad 7035. After one end of the transmission rod 803 is retracted into the inside of the shrink tube 802, air pressure is generated in the shrink tube 802 and flows into the adsorption film 8042 through the internal passage of the ring 801. After receiving the air pressure, the inside of the adsorption film 8042 will expand and contract outward and float up and down on the inner wall of the connecting plate 8041. In the process of floating up and down, the adsorption film 8042 will also shake off the silicon ash adhering to the surface of the adsorption film 8042 in the reaction exhaust gas to the bottom, and let the silicon ash float to the bottom on the surface of the absorption plate 7034, thereby improving the efficiency of the absorption plate 7034 in recovering silicon ash.

[0029] Example 3: Based on Example 2, continue to refer to Figure 8-Figure 9The telescopic mechanism 9 includes a side plate 901 fixedly connected to the inner wall of the working box 2, a telescopic tube 902 is fixedly connected to the surface slot of the side plate 901, a friction pad 903 is fixedly connected to one end of the telescopic tube 902, a folding ring 905 is fixedly connected to the bottom of the inner wall of the side plate 901, and a linkage block 904 is fixedly connected to one end of the folding ring 905 away from the bottom of the inner wall of the side plate 901, and both sides of the linkage block 904 are slidably connected to both sides of the inner wall of the side plate 901 through sliders, and both sides of the inner wall of the linkage block 904 are rotatably connected with a clamping arm 906 through a rotating shaft, and a scraper assembly 907 is provided at one end of the clamping arm 906 away from the linkage block 904.

[0030] The scraper assembly 907 includes a contact block 9071 fixedly connected to one end of the clamping arm 906, and sliding arms 9072 are rotatably connected to the inner walls of the contact block 9071 on both sides through a rotating shaft. A bouncing ring 9073 is fixedly connected to the bottom of the inner wall of the sliding arm 9072, and an adsorption plate is installed on the top of the bouncing ring 9073. The surface of the adsorption plate is made of magnetic material, and magnetic attraction is generated with the inner wall of the working box 2 through the adsorption plate. The bouncing ring 9073 has the function of elastic expansion and contraction. When the bouncing ring 9073 slides on the inner wall of the working box 2, it drives the sliding arm 9072 to rotate left and right on the inner wall of the contact block 9071. A collision ring 9074 is fixedly connected to the left side of the sliding arm 9072.

[0031] The working method of the third embodiment is as follows: when the connecting arm 7031 rotates on the inner wall of the rotating box 702, one end of the trigger arm 7036 at the bottom of the absorption plate 7034 moves to the surface of the friction pad 903, and one end of the trigger arm 7036 squeezes and contacts the inner wall of the friction pad 903, thereby driving the telescopic tube 902 to telescope into the surface slot of the side plate 901. When the telescopic tube 902 telescopes inward and outward, compressed gas is generated and flows into the folding ring 905 through the internal passage of the side plate 901. When the inside of the folding ring 905 receives the compressed gas, The connecting block 904 expands and contracts outwards and pushes the connecting block 904, so that the connecting block 904 contracts outwards on the inner wall of the side plate 901. During the contraction and expansion of the connecting block 904, one side of the contact block 9071 contacts the inner wall of the working box 2, and the sliding arm 9072 on the inner wall of the contact block 9071 generates sliding friction with the inner wall of the working box 2. When the jumping ring 9073 contacts the inner wall of the working box 2, an adsorption plate is installed on the top of the jumping ring 9073, and the surface of the adsorption plate is made of magnetic material. The bouncing ring 9073 has the function of elastic expansion and contraction. When the bouncing ring 9073 slides on the inner wall of the working box 2, the sliding arm 9072 is driven to rotate left and right on the inner wall of the contact block 9071. The sliding arm 9072 is in sliding contact with the inner wall of the working box 2, which causes the multiple small impact rings inside the collision ring 9074 to swing left and right. The multiple small impact rings inside the collision ring 9074 impact the inner wall of the working box 2, thereby causing the inner wall of the working box 2 to vibrate slightly and the silica ash adhered to the inner wall of the working box 2 is removed. Shake it off downwards. The silica ash shaken off downwards will float on the surface of the vibration membrane 7047. The silica ash in the reaction exhaust gas will adhere to the inner wall of the working box 2 along with the exhaust gas and will be difficult to clean. The silica ash on the inner wall of the working box 2 can be removed while allowing the silica ash to float down into the surface of the vibration membrane 7047, thereby improving the recovery efficiency of the silica ash in the reaction exhaust gas. When collecting the silica ash inside the working box 2, a small part of the silica ash can be prevented from floating inside the working box 2, and the silica ash contained in the subsequent reaction exhaust gas can be mixed with the silica ash left after the previous treatment.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A trichlorosilane synthetic silica ash recovery and re-reaction device, comprising a base plate (1), a working box (2) being fixedly connected to the top of the base plate (1), a reaction box (3) being fixedly connected to the top of the base plate (1), an air inlet pipe (6) being fixedly connected to the left side of the reaction box (3), an end of the air inlet pipe (6) away from the reaction box (3) being fixedly connected to the inner wall of the working box (2), a discharge pipe (4) being fixedly connected to the surface of the reaction box (3), an end of the discharge pipe (4) away from the reaction box (3) being fixedly connected to a feed pump (5), the feed pump (5) being fixedly connected to the inner wall of the working box (2), an absorption pipe (10) being fixedly connected to one side of the feed pump (5), a connection mechanism (7) being provided at the bottom of the inner wall of the working box (2), and an impact mechanism (8) being provided at the top of the inner wall of the working box (2), characterized in that: Also includes: The telescopic mechanism (9) comprises a side plate (901) fixedly connected to the inner wall of the working box (2), a telescopic tube (902) fixedly connected to a slot on the surface of the side plate (901), one end of the telescopic tube (902) fixedly connected to a friction pad (903), a folding ring (905) fixedly connected to the bottom of the inner wall of the side plate (901), an end of the folding ring (905) away from the bottom of the inner wall of the side plate (901) fixedly connected to a linkage block (904), two sides of the linkage block (904) slidably connected to two sides of the inner wall of the side plate (901) via sliders, two sides of the inner wall of the linkage block (904) rotatably connected to a clamping arm (906) via a rotating shaft, and one end of the clamping arm (906) away from the linkage block (904) is provided with a scraper assembly (907); The scraper assembly (907) comprises a contact block (9071) fixedly connected to one end of the clamping arm (906); both sides of the inner wall of the contact block (9071) are rotatably connected to sliding arms (9072) via rotating shafts; a bouncing ring (9073) is fixedly connected to the bottom of the inner wall of the sliding arm (9072); and a collision ring (9074) is fixedly connected to the left side of the sliding arm (9072).

2. The trichlorosilane synthesis silicon ash recovery and re-reaction device according to claim 1, characterized in that: The connection mechanism (7) comprises a connection block (701), the connection block (701) being fixedly connected to the bottom of the inner wall of the working box (2), the top of the connection block (701) being fixedly connected to a rotating box (702), the inner wall of the rotating box (702) being provided with an adjustment component (703), and the top of the connection block (701) being provided with a diverging component (704).

3. The trichlorosilane synthesis silicon ash recovery and re-reaction device according to claim 1, characterized in that: The diverging component (704) comprises a chassis (7041), the top of the chassis (7041) is fixedly connected to a cylinder (7043), the top of the cylinder (7043) is fixedly connected to a vibration rod (7044), the surface of the vibration rod (7044) is fixedly connected to a transmission rod (7046), and the surface of the cylinder (7043) is fixedly connected to a connecting frame (7045).

4. The trichlorosilane synthesis silicon ash recovery and re-reaction device according to claim 2, characterized in that: The adjustment component (703) comprises a connecting arm (7031), one end of the connecting arm (7031) being rotatably connected to both sides of the inner wall of the rotating box (702) via a rotating shaft, one end of the connecting arm (7031) being fixedly connected to a material storage tray (7033), the inner wall of the material storage tray (7033) being rotatably connected to an absorption plate (7034) via a rotating shaft, the top of the absorption plate (7034) being fixedly connected to an impact pad (7035), the bottom of the absorption plate (7034) being fixedly connected to a trigger arm (7036), and the top of the connecting arm (7031) being fixedly connected to a material conveying pipe (7032).

5. The trichlorosilane synthesis silicon ash recovery and re-reaction device according to claim 1, characterized in that: The impact mechanism (8) comprises a circular ring (801), the circular ring (801) being fixedly connected to the top of the inner wall of the working box (2), a shrink tube (802) being fixedly connected to the bottom of the circular ring (801), a transmission rod (803) being slidably connected to the inner wall of the shrink tube (802), and a descending assembly (804) being arranged at the top of the inner wall of the working box (2).

6. The trichlorosilane synthesis silicon ash recovery and re-reaction device according to claim 5, characterized in that: The landing assembly (804) comprises a connecting plate (8041), wherein the connecting plate (8041) is fixedly connected to the top of the inner wall of the working box (2), and adsorption films (8042) are rotatably connected to both sides of the inner wall of the connecting plate (8041) via a rotating shaft, and one end of the adsorption film (8042) away from the connecting plate (8041) is fixedly connected to the surface of the ring (801), and the bottom of the adsorption film (8042) is fixedly connected to an air jet film (8044), and the inner wall of the air jet film (8044) is fixedly connected to a contraction bag (8043).

7. The trichlorosilane synthesis silicon ash recovery and re-reaction device according to claim 3, characterized in that: The diverging component (704) further comprises a vibration membrane (7047), wherein the vibration membrane (7047) is rotationally connected to the inner wall of the connecting frame (7045) on both sides via a rotating shaft, wherein one end of the vibration membrane (7047) away from the connecting frame (7045) is fixedly connected to the top of the chassis (7041), a vibration tube (7042) is fixedly connected to the top of the chassis (7041), and the top of the vibration tube (7042) is fixedly connected to the bottom of the vibration membrane (7047), and one end of the transmission rod (7046) away from the vibration rod (7044) is fixedly connected to the top of the vibration membrane (7047).

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