A purification and rectification device for antimony

Abstract

The application belongs to the field of antimony rectification devices, and particularly relates to an antimony purification rectification device, which comprises a rectification tower, a plurality of first tower plates and second tower plates are fixedly arranged in the rectification tower, the first tower plate comprises a fixed plate fixedly arranged in a steam pipeline and a lifting plate movably arranged below the fixed plate, a height adjusting assembly is arranged on the side of the lifting plate, the height adjusting assembly comprises a Z-shaped shaft, one end of the Z-shaped shaft is slidably arranged in a sliding groove, the lifting plate is lowered, and a certain distance is kept between the fixed plate and the lifting plate, the space generated by the distance is a sealing space, the gas formed by antimony trichloride in the rectification tower is transmitted upwards through a steam passage assembly, the transmission of the gas does not pass through the space between the fixed plate and the lifting plate, the transmission space of the steam is reduced, and the transmission efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the field of antimony distillation devices, in particular to an antimony purification and distillation device. Background Art

[0002] In the process of purifying antimony, high-purity antimony trichloride is first extracted by distillation, and then metallic antimony is prepared from the high-purity antimony trichloride. This method can relatively simply separate antimony from its compounds and obtain relatively high-purity metallic antimony. When it is necessary to purify and distill antimony trichloride, high-arsenic antimony smoke dust is first leached in a hydrochloric acid solution, and then the treated leached solution is passed through a distillation device to prepare high-purity antimony trichloride. The working principle of the distillation device is to reach the boiling point of antimony trichloride through internal heating. The antimony trichloride in the leached solution is vaporized and then transmitted out, and then condensed into a liquid or solid, thereby completing the purpose of extracting antimony trichloride.

[0003] A patent document with publication number CN208193714U discloses an antimony purification and distillation device, including a distillation tower head, a distillation tower column, and a distillation tower kettle. The distillation tower column includes a through pipe and a circular partition; the circular partition is installed on the inner wall of the through pipe and is provided with a plurality of through holes; the distillation tower kettle includes a hollow spherical body, the surface of which is provided with a material port and a distillation tower column interface. Using this device to purify antimony can achieve excellent purification effect, safe purification process, and long service life, and can purify crude antimony products.

[0004] The above technical solution can also be used to perform distillation and purification on the leachate solution containing antimony trichloride. Generally speaking, the above technical solution is to release the liquid into the interior of the distillation device, extract the steam formed by the desired substance under high temperature, and then condense the steam to obtain the desired purified substance. The boiling point of antimony trichloride is relatively high. Before the temperature reaches the boiling point of antimony trichloride, most of the liquid will be evaporated into gas and transmitted out. Therefore, when the temperature reaches the boiling point of antimony trichloride, the amount of steam formed will be relatively small. The traditional distillation device is not easy to adjust because of the internal space for steam transmission. When the steam volume is large, the fixed space inside the original device can be applied for air pressure considerations. When the steam volume is small, the fixed space inside the original device becomes larger. A small amount of steam is transmitted in a large space at a slower speed, which makes it difficult for the steam formed by antimony trichloride to be quickly transmitted out.

[0005] To this end, the present invention provides an antimony purification and distillation device. Summary of the Invention

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the present invention to solve the technical problem is as follows: an antimony purification and distillation device according to the present invention comprises a distillation tower and a steam pipe fixedly installed at the uppermost end of the distillation tower, wherein a plurality of first trays and second trays are fixedly installed inside the distillation tower, wherein the second trays are located directly below the first trays, and the first trays and the second trays are components made of the same structure, and the first trays and the second trays face opposite directions:

[0008] The first tower plate includes a fixed plate fixedly installed inside the steam pipe and a lifting plate movably installed below the fixed plate. A height adjustment component is installed on the side of the lifting plate. A plurality of steam channel components are provided on the upper side of the fixed plate. A semi-arc groove is provided on the side of the lifting plate away from the water blocking plate. A sliding groove is provided on the inner wall of the semi-arc groove. The height adjustment component includes a Z-shaped shaft, and one end of the Z-shaped shaft is slidably provided inside the sliding groove.

[0009] Preferably, a water blocking plate is fixedly mounted on one side of the fixed plate, and a side edge of the lifting plate is in movably contact with the water blocking plate.

[0010] Preferably, the steam channel assembly includes a plurality of lifting inner cylinders fixedly mounted on the side of the lifting plate, and a plurality of outer cylinders fixedly mounted on the side of the fixed plate. The plurality of corresponding lifting inner cylinders are lifted and mounted inside the plurality of corresponding outer cylinders, and a sealing ring is fixedly mounted on the outer side of the lifting plate.

[0011] Preferably, an airtight rotating shaft is installed on the outside of the Z-shaped shaft, and the outside of the airtight rotating shaft is fixedly connected to the inside of the distillation tower. A fixed motor is fixedly installed on one end of the Z-shaped shaft, and the fixed motor is located outside the distillation tower.

[0012] Preferably, a cavity adjustment component is movably provided at an upper position inside the lifting inner cylinder, and a connecting metal wire is movably provided inside the lifting inner cylinder.

[0013] Preferably, a plurality of grid plates are fixedly installed inside the distillation tower, and the corresponding grid plates are located directly above the corresponding first tray or second tray, and one end of the plurality of connecting wires is fixedly connected to the corresponding grid plates.

[0014] Preferably, two matching grooves are provided inside the lifting inner cylinder, two displacement grooves are provided at the bottom of the matching groove, and a sealing ring is fixedly installed at the bottom of the matching groove.

[0015] Preferably, the cavity adjustment assembly includes two semi-conical bodies, which are slidably installed inside the matching grooves. A surrounding metal wire is arranged around the lower part of the semi-conical body, one end of the surrounding metal wire is fixedly connected to one of the matching grooves, and the other end of the surrounding metal wire passes through the other matching groove and is fixedly connected to the connecting metal wire.

[0016] Preferably, a sealing strip is fixedly installed on the side of the semi-conical body facing the center of the lifting inner cylinder, and two spring guide columns are fixedly installed on the side of the semi-conical body facing the outside of the lifting inner cylinder. One end of the two spring guide columns is installed inside the matching groove, and a fixed block is fixedly installed on the lower side of the semi-conical body. The fixed block slides inside the displacement groove, and the sealing strip and the sealing ring are components made of high-temperature resistant rubber material.

[0017] Preferably, an annular groove is provided at the lower portion of the semi-conical body, the surrounding metal wire is wrapped around the inside of the annular groove, and a plurality of obstruction columns are fixedly installed inside the annular groove.

[0018] The beneficial effects of the present invention are as follows:

[0019] 1. The antimony purification and distillation device described in the present invention is a sealed space formed by a certain distance between the fixed plate and the lifting plate when the lifting plate descends. The gas formed by the antimony trichloride in the distillation tower is continuously transmitted upward through the steam channel assembly. The gas transmission does not pass through the space between the fixed plate and the lifting plate, thereby reducing the space required for steam transmission and increasing the transmission efficiency. The faster the steam formed by antimony trichloride is transmitted, the faster the antimony purification efficiency.

[0020] 2. The antimony purification and distillation device described in the present invention is driven by the electric power of a fixed motor through the clockwise rotation of the Z-shaped shaft. The airtight rotating shaft arranged inside the distillation tower prevents the gas inside the distillation tower from leaking out when the Z-shaped shaft rotates, ensures that when a gap is generated between the lifting plate and the fixed plate, steam will not leak to the outside, and ensures that the amount of antimony trichloride formed will not decrease.

[0021] 3. The antimony purification and distillation device described in the present invention is characterized by that when the lifting plate descends, the surrounding metal wire will be tightened, and the two semi-conical bodies will move toward each other until they are in close contact. The inner walls of the two semi-conical bodies will be in close contact with the sealing ring, so that the bottoms of the two semi-conical bodies are sealed, and when the gas passes through the upper end of the lifting inner cylinder, it can only pass through the closed space formed by the two semi-conical bodies. At this time, when the gas rises and passes through the cavity adjustment component, it is equivalent to rising from a cylindrical space to a conical space. The gas passing through the cavity adjustment component will be subjected to an upward force, and the gas outlet rate will be significantly improved, further increasing the purification efficiency of antimony trichloride. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below with reference to the accompanying drawings.

[0023] Figure 1 It is an overall stereogram of the present invention;

[0024] Figure 22. It is a three-dimensional schematic diagram of the first tray and the second tray in the present invention;

[0025] Figure 3 It is a three-dimensional schematic diagram of the steam channel assembly, the fixed plate and the lifting plate in the present invention;

[0026] Figure 4 This is a schematic diagram of the first tray being exploded in the present invention;

[0027] Figure 5 It is a three-dimensional schematic diagram of the lifting plate in the present invention;

[0028] Figure 6 It is a three-dimensional schematic diagram of the cavity adjustment component and the lifting inner cylinder in the present invention;

[0029] Figure 7 This is a schematic diagram of the explosion of the lifting inner cylinder in the present invention;

[0030] Figure 8 It is a three-dimensional schematic diagram of the cavity adjustment component of the present invention;

[0031] Figure 9 It is a three-dimensional schematic diagram of the surrounding metal wire in the present invention;

[0032] Figure 10 Schematic diagram of the annular groove in the present invention;

[0033] In the figure: 1. distillation tower; 11. grid plate; 2. steam pipe; 3. first tower plate; 4. second tower plate; 5. height adjustment assembly; 51. fixed motor; 52. air-sealed rotating shaft; 53. Z-axis; 6. steam channel assembly; 61. outer cylinder; 62. lifting inner cylinder; 621. matching groove; 622. displacement groove; 623. sealing ring; 63. cavity adjustment assembly; 631. semi-conical body; 6311. spring guide column; 6312. sealing strip; 6313. fixed block; 6314. annular groove; 6315. obstruction column; 632. surrounding metal wire; 64. connecting metal wire; 7. fixed plate; 71. water-blocking plate; 8. lifting plate; 81. semi-arc groove; 82. sliding groove; 83. sealing ring. DETAILED DESCRIPTION

[0034] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0035] Example 1

[0036] like Figure 1-3As shown, an antimony purification and distillation device according to an embodiment of the present invention includes a distillation tower 1 and a steam pipe 2 fixedly installed at the uppermost end of the distillation tower 1. A plurality of first tower plates 3 and second tower plates 4 are fixedly installed inside the distillation tower 1. The second tower plates 4 are located directly below the first tower plates 3. The first tower plates 3 and the second tower plates 4 are components made of the same structure, and the first tower plates 3 and the second tower plates 4 face opposite directions.

[0037] The first tower plate 3 includes a fixed plate 7 fixedly installed inside the steam pipe 2 and a lifting plate 8 movably installed below the fixed plate 7. A height adjustment component 5 is installed on the side of the lifting plate 8. A plurality of steam channel components 6 are provided on the upper side of the fixed plate 7. A semi-arc groove 81 is provided on the side of the lifting plate 8 away from the water blocking plate 71. A sliding groove 82 is provided on the inner wall of the semi-arc groove 81. The height adjustment component 5 includes a Z-shaped shaft 53. One end of the Z-shaped shaft 53 is slidably arranged inside the sliding groove 82. A fixed motor 51 is fixedly installed on one end of the Z-shaped shaft 53.

[0038] Specifically, high-arsenic antimony smoke is leached in a hydrochloric acid solution, and the leaching solution contains antimony trichloride. The treated leaching solution is transported to the interior of a distillation tower 1. The device is achieved by improving the internal structure of an existing distillation tower, and its external liquid infusion and steam condensation structure adopt existing technologies. In the working process of the distillation tower, a quantitative leaching solution is transported to the interior of the distillation tower, and the leaching solution first flows to the upper side of the first tray 3 and the second tray 4. Under the action of high temperature, the liquid slowly vaporizes and becomes rising steam and is discharged from the interior of the distillation tower 1. There are also some metal ions, impurities or organic substances in the leaching solution. The boiling points of these substances are lower than the boiling point of antimony trichloride. Therefore, the antimony trichloride in the leaching solution needs to be vaporized. When extracting it, the distillation The temperature inside the tower 1 is slowly raised to the boiling point of antimony trichloride, which is approximately between 210 and 230 degrees. Before the temperature reaches this standard, the liquid inside the distillation tower 1 containing metal ions, impurities or organic matter will be vaporized in large quantities. In order to avoid excessive air pressure, the cavity capacity of the distillation tower 1 will be designed to be relatively large. When the fixed plate 7 and the lifting plate 8 are in contact, the capacity of the steam that can be transmitted inside the distillation tower 1 is the largest. Before the temperature reaches the boiling point of antimony trichloride, a large amount of steam is transmitted to the outside of the distillation tower 1. At this time, the solution that was quantitatively input before is greatly reduced. When the temperature reaches the boiling point of antimony trichloride, the antimony trichloride in the solution will be vaporized. The amount of steam vaporized by the shrunken solution is much less than the amount of steam at the beginning. An oversized distillation tower 1 The cavity capacity will reduce the transmission speed of antimony trichloride, drive the fixed motor 51, and the Z-axis 53 will rotate. One end of the Z-axis 53 inside the sliding groove 82 will rotate clockwise. At this time, the lateral displacement of the Z-axis 53 is manifested by the movement of one end of the Z-axis 53 inside the sliding groove 82, and the vertical displacement of the Z-axis 53 is manifested by the descent of the lifting plate 8, that is, inside the steam pipe 2, the lifting plate 8 descends, and there is a certain distance between the fixed plate 7 and the lifting plate 8. The space generated by this distance is a sealed space. The gas formed by antimony trichloride inside the distillation tower 1 is transmitted upward through the steam channel assembly 6. The transmission of the gas will not pass through the space between the fixed plate 7 and the lifting plate 8. The cavity capacity of the traditional distillation device is fixed. When the initial solution is vaporized, a large amount of steam will be generated. At this time, the cavity capacity of the distillation device can ensure that the gas pressure will not be too high. The principle of the distillation tower is to vaporize different substances at different temperatures. Therefore, the vaporized substances need to be extracted and collected separately at a limited temperature. Other vaporized substances can be released or collected separately. When extracting antimony trichloride, a relatively high temperature is required. In the process of increasing the temperature, the solution will shrink a lot, resulting in a large amount of vaporized steam when the temperature reaches the boiling point of antimony trichloride. The amount of vaporized steam will decrease significantly. At this time, the cavity inside the distillation device appears to be too large. An overly large cavity will greatly slow down the transmission efficiency of the steam. At this time, the steam is formed by the vaporization of antimony trichloride. The lower the steam transmission efficiency, the longer the purification process of antimony trichloride will be.In the early stages of this device, when the internal temperature has not yet reached the boiling point of antimony trichloride and a large amount of material is vaporized, the space inside the distillation device is not adjusted to avoid the problem of excessive gas pressure. When the boiling point of antimony trichloride is reached, the solution inside the device has already shrunk significantly, and the amount of steam formed by vaporization is greatly reduced. At this time, by reducing the space required for gas transmission, the speed of gas rise is accelerated. The faster the gas rises and transmits, the faster the antimony trichloride can be extracted, and the faster the antimony trichloride can be purified.

[0039] like Figure 4 As shown, a water blocking plate 71 is fixedly mounted on one side of the fixed plate 7 , and the side edge of the lifting plate 8 is in movable contact with the water blocking plate 71 .

[0040] Specifically, the solution is first poured into the upper side of the fixed plate 7. Due to the setting of the water blocking plate 71, the solution will accumulate on the upper side of the fixed plate 7 until the solution height is higher than the horizontal height of the top of the water blocking plate 71. At this time, the solution will overflow the top of the water blocking plate 71 and flow to the upper side of the next fixed plate 7 set directly below.

[0041] like Figure 4 As shown, the steam channel assembly 6 includes a plurality of lifting inner cylinders 62 fixedly mounted on the upper side of the lifting plate 8, and a plurality of outer cylinders 61 fixedly mounted on the upper side of the fixed plate 7. The plurality of corresponding lifting inner cylinders 62 are lifted and mounted inside the plurality of corresponding outer cylinders 61, and a sealing ring 83 is fixedly mounted on the outer side of the lifting plate 8.

[0042] Specifically, the sealing ring 83 provided on the outside of the lifting plate 8 ensures that the spacing between the fixed plate 7 and the lifting plate 8 is sealed, and the steam rises through the channel inside the lifting inner cylinder 62. The sealing ring 83 is made of rubber that can withstand temperatures above 300 degrees.

[0043] like Figure 5 As shown, an airtight rotating shaft 52 is installed on the outside of the Z-shaped shaft 53 , the outside of the airtight rotating shaft 52 is fixedly connected to the inside of the distillation tower 1 , and the fixed motor 51 is located outside the distillation tower 1 .

[0044] Specifically, the clockwise rotation of the Z-shaped shaft 53 is driven by electricity from the fixed motor 51, and the airtight rotating shaft 52 arranged inside the distillation tower 1 prevents the gas inside the distillation tower 1 from leaking out when the Z-shaped shaft 53 rotates, thereby ensuring that the antimony trichloride extract formed by the solution will not be reduced. The Z-shaped portion of the Z-shaped shaft 53 is located inside the semi-arc groove 81.

[0045] Example 2

[0046] like Figure 6As shown, compared with Example 1, another embodiment of the present invention is that a cavity adjustment component 63 is movably provided at the upper position inside the lifting inner cylinder 62, and a connecting wire 64 is movably provided inside the lifting inner cylinder 62.

[0047] Specifically, the gas rises through the channel inside the lifting inner cylinder 62 and the cavity adjustment component 63 inside it. When the fixed plate 7 remains stationary, the descent of the lifting plate 8 drives the multiple lifting inner cylinders 62 to descend inside the outer cylinder 61. At this time, the gas will pass through the channel inside the lifting inner cylinder 62, the cavity adjustment component 63 and the inner upper end of the outer cylinder 61.

[0048] like Figure 3 As shown, a plurality of grid plates 11 are fixedly installed inside the distillation tower 1 , and the corresponding grid plates 11 are located directly above the corresponding first tray 3 or second tray 4 , and one end of a plurality of connecting wires 64 is fixedly connected to the corresponding grid plates 11 .

[0049] Specifically, one side of the grid plate 11 is provided with a cutout, and the cutout is oriented in the opposite direction to the water blocking plate 71 disposed closest thereto, so that the solution can be poured into the upper side of the fixing plate 7 from the cutout.

[0050] like Figure 7 As shown, two matching grooves 621 are provided inside the lifting inner cylinder 62 , two displacement grooves 622 are provided at the bottom of the matching groove 621 , and a sealing ring 623 is fixedly installed at the bottom of the matching groove 621 .

[0051] like Figure 8 As shown, the cavity adjustment assembly 63 includes two semi-conical bodies 631, which are slidably installed inside the matching groove 621. A surrounding metal wire 632 is arranged around the lower part of the semi-conical body 631. One end of the surrounding metal wire 632 is fixedly connected to one matching groove 621, and the other end of the surrounding metal wire 632 passes through another matching groove 621 and is fixedly connected to the connecting metal wire 64.

[0052] Specifically, when the surrounding wire 632 is relaxed, the two semi-conical bodies 631 are at a certain distance from each other, that is, the two semi-conical bodies 631 are in contact with the inner wall of the corresponding matching groove 621, and the gas rises through the distance between the two semi-conical bodies 631. Because one end of the connecting wire 64 is fixedly connected to the grid plate 11, when the lifting plate 8 descends, the surrounding wire 632 will be tightened to release the vertical length of the surrounding wire 632. At this time, the two semi-conical bodies 631 move toward each other until they are in close contact. The inner walls of the semi-conical bodies 631 will be in close contact with the sealing ring 623, so that the bottoms of the two semi-conical bodies 631 form a seal, so that when the gas passes through the upper end of the inner lifting cylinder 62, it can only pass through the closed space formed by the two semi-conical bodies 631. When the lifting plate 8 has not descended, the surrounding metal wire 632 set on the two semi-conical bodies 631 is in a relaxed state, and the diameter of the ring formed is relatively large. The descent of the lifting plate 8 will make the diameter of the ring formed by the surrounding metal wire 632 smaller, that is, the two semi-conical bodies 631 are tightened.

[0053] like Figure 7-9 As shown, a sealing strip 6312 is fixedly installed on the side of the semi-conical body 631 facing the center of the lifting inner cylinder 62, and two spring guide pillars 6311 are fixedly installed on the side of the semi-conical body 631 facing the outside of the lifting inner cylinder 62. One end of the two spring guide pillars 6311 is installed in the matching groove 621. A fixed block 6313 is fixedly installed on the lower side of the semi-conical body 631. The fixed block 6313 slides in the displacement groove 622. The sealing strip 6312 and the sealing ring 623 are components made of high-temperature resistant rubber material.

[0054] Specifically, the movement of the two semi-conical bodies 631 is achieved through the cooperation of the displacement groove 622 and the fixed block 6313. When the two semi-conical bodies 631 move toward each other, the spring guide column 6311 is deformed and extended. When the surrounding metal wire 632 returns to a relaxed state, the elastic force of the deformation of the spring guide column 6311 will drive the two semi-conical bodies 631 to move in the opposite direction, generating a gap. After the two semi-conical bodies 631 move toward each other and come into close contact, the cavity adjustment component 63 forms a conical sealed space. At this time, when the gas rises through the cavity adjustment component 63, it is equivalent to rising from a cylindrical space to a conical space. The lower part of this conical space The diameter is the same as the diameter of the cylindrical space, and the upper diameter of the conical space is smaller than the diameter of the cylindrical space. According to the throttling phenomenon, the cross-section of the pipe suddenly becomes smaller during the flow of the medium, and the flow speed of the medium will increase. The steam in this device will rise faster, and the linear rise of the gas is just aligned with the steam channel component 6 set above, which can speed up the rising rate of the gas. The rise of the gas inside the cavity of the distillation tower 1 is due to the principle of rising gas after heating, and the rising rate is slow. This device changes the shape of the cavity, and the gas passes through the cylindrical cavity and then passes through the conical cavity to speed up the rising speed of the gas, thereby further increasing the purification efficiency of antimony trichloride.

[0055] like Figure 10 As shown, an annular groove 6314 is provided at the lower portion of the semi-conical body 631 , and the surrounding metal wire 632 is wrapped around the inside of the annular groove 6314 . A plurality of obstruction columns 6315 are fixedly installed inside the annular groove 6314 .

[0056] Specifically, when the surrounding metal wire 632 moves inside the annular groove 6314 , it is blocked by the plurality of blocking posts 6315 , so that the moving surrounding metal wire 632 will not escape from the annular groove 6314 .

[0057] Working principle: high arsenic antimony smoke is leached in hydrochloric acid solution, and then the treated leached solution is transported to the interior of the distillation tower 1. The liquid first flows to the upper side of the first tower plate 3 and the second tower plate 4. Under the action of high temperature, the liquid slowly vaporizes and becomes steam and is discharged from the interior of the distillation tower 1. Because antimony trichloride needs to be vaporized and extracted, the temperature must be slowly raised to the boiling point of antimony trichloride, which is approximately between 210 and 230 degrees. Before the temperature reaches this standard, a large amount of liquid inside the distillation tower 1 will be vaporized. In order to avoid excessive air pressure, the cavity capacity of the distillation tower 1 will be designed to be relatively large. When the fixed plate 7 and the lifting plate 8 are in contact, the capacity of the steam that can be transmitted inside the distillation tower 1 is the largest. Before the temperature reaches the boiling point of antimony trichloride, a large amount of steam is transmitted to the outside of the distillation tower 1. At this time, the solution is large The amount of antimony trichloride shrinks. When the temperature reaches the boiling point of antimony trichloride, the antimony trichloride in the solution will be vaporized. The amount of steam vaporized from the large amount of shrunken solution is much smaller than the amount of steam at the beginning. The excessive cavity capacity of the distillation tower 1 will reduce the transmission speed of antimony trichloride. Through the rotation of the Z-axis 53, one end of the Z-axis 53 inside the sliding groove 82 will rotate clockwise. At this time, the lateral displacement is manifested by the movement of one end of the Z-axis 53 inside the sliding groove 82, and the vertical displacement is manifested by the descent of the lifting plate 8, that is, inside the steam pipe 2, the lifting plate 8 descends and is a certain distance away from the fixed plate 7 and the lifting plate 8. The space generated by this distance is a sealed space. The gas formed by antimony trichloride inside the distillation tower 1 is transmitted upward through the steam channel assembly 6, and the gas transmission will not pass through the space between the fixed plate 7 and the lifting plate 8.

[0058] When the surrounding metal wire 632 is loosened, the two half-cones 631 are at a certain distance, that is, the two half-cones 631 are in contact with the inner wall of the corresponding matching groove 621, and the gas rises through the distance between the two half-cones 631. Since one end of the connecting metal wire 64 is fixedly connected with the grid plate 11, when the lifting plate 8 is lowered, the surrounding metal wire 632 will be tightened to release the vertical length of the surrounding metal wire 632. At this time, the two half-cones 631 move towards each other until they are in close contact. The inner walls of the two half-cones 631 will be in close contact with the sealing ring 623, so that the bottoms of the two half-cones 631 form a seal. When the gas passes through the upper end of the lifting inner cylinder 62, it can only pass through the closed space formed by the two half-cones 631. At this time, when the gas rises through the cavity adjusting assembly 63, it is equivalent to rising from a cylindrical space to a conical space. This principle is similar to the situation that one end of a water pipe is flattened. At this time, the water outlet rate will be significantly increased. The gas passing through the cavity adjusting assembly 63 will be subjected to an upward force, and the linear upward movement of the gas is exactly aligned with the steam passage assembly 6 arranged above, which can accelerate the rising rate of the gas

[0059] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments. The above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of 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. 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. An antimony purification and distillation device, comprising a distillation tower (1) and a steam pipe (2) fixedly installed at the uppermost end of the distillation tower (1), characterized in that: A plurality of first trays (3) and second trays (4) are fixedly installed inside the distillation tower (1), wherein the second trays (4) are located directly below the first trays (3), the first trays (3) and the second trays (4) are components made of the same structure, and the first trays (3) and the second trays (4) face opposite directions; The first tower plate (3) comprises a fixed plate (7) fixedly mounted inside the distillation tower (1) and a lifting plate (8) movably mounted below the fixed plate (7); a height adjustment assembly (5) is mounted on the side of the lifting plate (8); a plurality of steam channel assemblies (6) are arranged on the upper side of the fixed plate (7); a water blocking plate (71) is fixedly mounted on one side of the fixed plate (7); a semi-arc groove (81) is provided on the side of the lifting plate (8) away from the water blocking plate (71); a sliding groove (82) is provided on the inner wall of the semi-arc groove (81); the height adjustment assembly (5) comprises a Z-shaped shaft (53); one end of the Z-shaped shaft (53) is slidably mounted inside the sliding groove (82); and one end of the Z-shaped shaft (53) is fixedly mounted with a fixed motor (51); The steam channel assembly (6) includes a plurality of lifting inner cylinders (62) fixedly mounted on the upper side of the lifting plate (8), and a plurality of outer cylinders (61) fixedly mounted on the upper side of the fixed plate (7), wherein the plurality of corresponding lifting inner cylinders (62) are lifted and mounted inside the plurality of corresponding outer cylinders (61), and a sealing ring (83) is fixedly mounted on the outer side of the lifting plate (8); A cavity adjustment component (63) is movably provided at an upper position inside the lifting inner cylinder (62), and a connecting metal wire (64) is movably provided inside the lifting inner cylinder (62); Two matching grooves (621) are provided inside the lifting inner cylinder (62), two displacement grooves (622) are provided at the bottom of the matching groove (621), and a sealing ring (623) is fixedly installed at the bottom of the matching groove (621); The cavity adjustment assembly (63) includes two semi-conical bodies (631), the semi-conical bodies (631) are slidably mounted inside the matching grooves (621), and a surrounding metal wire (632) is arranged around the lower portion of the semi-conical body (631), one end of the surrounding metal wire (632) is fixedly connected to one of the matching grooves (621), and the other end of the surrounding metal wire (632) passes through the other matching groove (621) and is fixedly connected to the connecting metal wire (64); A sealing strip (6312) is fixedly installed on one side of the semi-conical body (631) facing the center of the lifting inner cylinder (62), and two spring guide pillars (6311) are fixedly installed on one side of the semi-conical body (631) facing the outside of the lifting inner cylinder (62). One end of the two spring guide pillars (6311) is installed inside the matching groove (621). A fixing block (6313) is fixedly installed on the lower side of the semi-conical body (631). The fixing block (6313) slides inside the displacement groove (622). The sealing strip (6312) and the sealing ring (623) are components made of high-temperature resistant rubber material.

2. The antimony purification and distillation device according to claim 1, characterized in that: The side of the lifting plate (8) is in active contact with the water blocking plate (71).

3. The antimony purification and distillation device according to claim 2, characterized in that: An airtight rotating shaft (52) is installed on the outside of the Z-shaped shaft (53), and the outside of the airtight rotating shaft (52) is fixedly connected to the inside of the distillation tower (1). The fixed motor (51) is located outside the distillation tower (1).

4. The antimony purification and distillation device according to claim 1, characterized in that: A plurality of grid plates (11) are fixedly installed inside the distillation tower (1), and the corresponding grid plates (11) are located directly above the corresponding first tower plate (3) or second tower plate (4), and one end of the plurality of connecting metal wires (64) is fixedly connected to the corresponding grid plates (11).

5. The antimony purification and distillation device according to claim 1, characterized in that: An annular groove (6314) is provided at the lower portion of the semi-conical body (631), the surrounding metal wire (632) is surrounded inside the annular groove (6314), and a plurality of obstruction columns (6315) are fixedly installed inside the annular groove (6314).

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