Ammonium rhenate high-pressure leaching device and leaching method

Abstract

The invention belongs to the field of ammonium rhenate preparation, and particularly relates to an ammonium rhenate high-pressure leaching device and method. The top surface of the base is rotationally connected with a rotating column, and the rotating column is driven by a motor; the surface of the rotating column is fixedly connected with a connecting disc; four rotating grooves are formed in the surface of the connecting disc; a material barrel is rotationally connected into each rotating groove; the top surface of the base is fixedly connected with a supporting arm; the top of the supporting arm is fixedly connected with a hydraulic cylinder; the telescopic end of the hydraulic cylinder is fixedly connected with a sealing cover; the top surface of the sealing cover is fixedly connected with a pressurizing pipe; a spiral feeding machine and a suction assembly are installed on the two sides of the rotating column correspondingly, through the arrangement of the four material barrels, when one material barrel conducts pressure leaching, the other material barrels can conduct feeding, leaching liquid suction and waste residue cleaning operation, preparation work before machining and machining are conducted synchronously, the machining efficiency is improved, and the machining efficiency is improved. Therefore, the production continuity is ensured, and the production efficiency is further improved.

Description

Technical Field

[0001] The invention belongs to the field of ammonium rhenate preparation, in particular to an ammonium rhenate high-pressure leaching device and a leaching method. Background Art

[0002] Ammonium rhenate is an inorganic compound with the chemical formula NH4ReO4. It is a common rhenate salt and is commonly used in: catalysts, evaporation of polycrystalline growth from aqueous solutions, pigments and dyes, medical applications, industrial fields and environmental protection fields.

[0003] The prior art also proposes some solutions for ammonium rhenate, such as a Chinese patent with announcement number CN219983960U, which discloses an ammonium rhenate leaching preparation device, including a box body, a box cover, a mixing mechanism, a fixed box and a rectangular through hole, etc. By pulling the connecting rope and driving the support plate to rotate, the materials fall into the box together, reducing the possibility of premature decomposition of the materials put in advance, while reducing the waste of materials, having a simple structure, saving costs, and facilitating the operation of the staff.

[0004] In the above technology, ammonium rhenate is prepared by adding raw materials into a reaction vessel and then leaching under pressure. After the leaching is completed, the reaction vessel needs to be emptied before raw materials can be added again, and then production can be carried out again, which makes the preparation stage before production too long, thereby reducing production efficiency.

[0005] To this end, the present invention provides an ammonium rhenate high-pressure leaching device and a leaching method. 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 its technical problems is: the ammonium rhenate high-pressure leaching device described in the present invention comprises a base; the top surface of the base is rotatably connected to a rotating column, and the rotating column is driven by a motor; the surface of the rotating column is fixedly connected to a connecting disk; the surface of the connecting disk is provided with four rotating grooves; a material barrel is rotatably connected in each of the rotating grooves; the top surface of the base is fixedly connected to a supporting arm; the top of the supporting arm is fixedly connected to a hydraulic cylinder; the telescopic end of the hydraulic cylinder is fixedly connected to a sealing cover, and the sealing cover is adapted to the opening at the top of the material barrel; the top surface of the sealing cover is fixedly connected to a pressurized pipe, And the pressure pipe is connected to the external pressure pump; a screw feeder and a suction assembly are respectively installed on both sides of the rotating column; the screw feeder and the suction assembly are symmetrical about the line between the rotating column and the support arm; the screw feeder is used to feed the ammonium rhenate solution into the barrel; the suction assembly sucks the ammonium rhenate solution in the barrel through the pump; when working, before preparing the ammonium rhenate, the user needs to first use the screw feeder to transport the rhenium-containing concentrate into the barrel, and then the user pours the leaching agent into the barrel containing the concentrate, and then the motor drives the rotating column on the top surface of the base to rotate, and then the rotating column drives The connecting plate rotates, and the connecting plate drives the barrel in the rotating groove on its surface to rotate together, so that the barrel containing the concentrate is rotated to the bottom of the support arm, and then the hydraulic cylinder at the support arm is started, driving the sealing cover to press on the top surface of the barrel, thereby sealing the barrel. At this time, gas is introduced into the barrel through the pressure pipe on the top surface of the barrel, so that the inside of the barrel is in a high-pressure state, so that the rhenium element in the concentrate enters the leaching agent. After the leaching is completed, the hydraulic cylinder drives the sealing cover away from the barrel, and then the rotating column drives the barrel that has completed the leaching operation to rotate to the suction assembly through the connecting plate, and the suction assembly The parts suck the leachate in the barrel, and then the rotating column drives the barrel to rotate again so that it is located at the end away from the support arm. Then the user removes the waste residue in the barrel. After cleaning, the cleaned barrel can be rotated to the bottom of the spiral feeder again to repeat the previous processing flow. Through the setting of four barrels, when one of the barrels is undergoing pressurized leaching, the remaining barrels can perform loading, leachate suction and waste residue cleaning operations, so that the preparatory work before processing and the processing are carried out simultaneously, thereby ensuring the continuity of production and further improving production efficiency.

[0008] Preferably, the top surface of the base is fixedly connected to the limiting cylinder; the rotating column, connecting disk and bucket are all located inside the limiting cylinder; a dumping groove is provided on the side of the limiting cylinder away from the supporting arm, and the dumping groove is adapted to the rotating groove; the inner wall of the limiting cylinder is rotatably connected to a plurality of evenly arranged rollers; the outer surface of the bucket is in contact with the side surfaces of the rollers; during operation, when the connecting disk drives the bucket to rotate inside the limiting cylinder, the rollers on the inner wall of the bucket will contact the surface of the bucket and roll, thereby reducing the friction between the bucket and the limiting cylinder, and when the bucket rotates to the dumping groove, the user can rotate the bucket to make it rotate to horizontal loading, thereby facilitating the user to clean the waste residue inside the bucket. The setting of the rollers can reduce the wear of the bucket and increase its service life, and the setting of the dumping groove can facilitate the user to rotate the bucket, thereby facilitating the user to clean the waste residue inside the bucket.

[0009] Preferably, the surface of the rotating column is fixedly connected with an electric push rod at the corresponding position of the rotating groove; the telescopic end of the electric push rod is fixedly connected with a connecting block; the end of the connecting block away from the electric push rod is rotatably connected with an extrusion roller; the extrusion roller contacts the surface of the barrel; a torsion spring is installed at the rotating connection between the barrel and the rotating groove; during operation, when the user needs to rotate the barrel at the dumping groove, the user needs to start the electric push rod so that the electric push rod drives the extrusion block and the extrusion roller to move toward the dumping groove, thereby squeezing the barrel, causing the barrel to deflect and compress the torsion spring, and when the barrel is cleaned, the electric push rod drives the extrusion roller to reset, and the barrel will also reset under the drive of the torsion spring, and when the barrel rotates in the limit cylinder, the extrusion roller can also cooperate with the roller, so that the barrel can maintain a vertical state, so that the subsequent sealing cover can be smoothly aligned with the barrel.

[0010] Preferably, a metal cylinder is fixedly connected to the side surface of the rotating roller; the metal cylinder is made of magnetizable metal; a magnet plate is inlaid on the surface of the barrel at the corresponding position of the metal cylinder; during operation, after the waste residue in the barrel is cleaned, the electric push rod will drive the extrusion roller to reset, so that the torsion spring can drive the barrel to return to a vertical state. At this time, the metal cylinder on the surface of the extrusion roller will just stick to the magnet plate on the surface of the barrel, thereby adsorbing the barrel and keeping it in a vertical state to prevent it from shaking, which causes the barrel to collide with the roller at the notch of the dumping groove when the connecting plate drives the barrel to rotate, causing damage to the roller.

[0011] Preferably, an extension seat is fixedly connected to the bottom of the support arm, and the extension seat extends to the interior of the limiting cylinder; one end of the extension seat located inside the limiting cylinder is fixedly connected to a screw lifter; a support plate is installed at the lifting end of the screw lifter; the support plate is adapted to the bottom surface of the barrel; during operation, when the hydraulic cylinder drives the sealing cover to buckle toward the top of the barrel, the screw lifter at the end of the extension seat will drive the support plate to rise, so that the top surface of the support plate supports the bottom surface of the barrel, and then the hydraulic cylinder drives the sealing cover to buckle on the top surface of the barrel. At this time, due to the support of the support plate to the barrel, the sealing cover can provide support for the barrel when it is squeezed into the barrel, without the need for the connecting shaft between the barrel and the inner wall of the rotating groove to provide support for the barrel, thereby protecting the connecting shaft between the barrel and the rotating groove to avoid damage to it, which causes the rotation of the barrel in the rotating groove to be obstructed.

[0012] Preferably, a heating tube is fixedly connected to the top surface of the support plate; the inner diameter of the heating tube is consistent with the outer diameter of the barrel; a plurality of circles of evenly arranged heating wires are fixedly connected to the inner wall of the heating tube; when working, after the support plate is pressed against the bottom surface of the barrel, the heating tube will also cover the bottom of the barrel. At this time, the user only needs to start the heating wires on the inner wall of the heating tube to heat the barrel, thereby promoting the rhenium element in the concentrate to enter the leaching agent.

[0013] Preferably, a pair of hydraulic rods are fixedly connected to the outer surface of the limiting cylinder; the two hydraulic rods are respectively located on both sides of the dumping groove; the telescopic ends of the two hydraulic rods are jointly installed with a scraper; during operation, when the user needs to clean the waste residue inside the barrel, the user needs to rotate the barrel to the dumping groove, and drive the squeezing roller through the electric push rod to squeeze the barrel so that the barrel is in a horizontal state. At this time, the hydraulic rod drives the scraper to extend into the barrel to scrape out the waste residue inside the barrel, thereby assisting the user to clean the barrel.

[0014] Preferably, one end of the scraper close to the hydraulic rod is fixedly connected to a pair of connecting rods at both sides; one end of the connecting rod away from the scraper is commonly fixedly connected to a rotating ring; the outer side of the rotating ring is rotatably connected to a connecting ring, and the rotating ring is driven by a motor; the two telescopic ends of the hydraulic rod are respectively fixedly connected to the two sides of the connecting ring; when working, before the hydraulic rod needs to extend the scraper into the barrel, it is necessary to first adjust the rotation angle of the rotating ring so that the scraper is located at the top of the connecting ring, and then the hydraulic rod drives the connecting ring, the rotating ring, the connecting rod and the scraper to extend into the barrel. In this process, since the scraper is located at the top of the barrel, it will not directly contact the waste residue, thereby facilitating the scraper to enter the depth of the barrel, and then the rotating ring rotates 180 degrees, driving the connecting rod and the scraper to rotate 180 degrees along the center of the rotating ring, so that the scraper can be inserted into the waste residue inside the barrel, and then the hydraulic rod drives the connecting ring, the rotating ring, the connecting rod and the scraper to move toward the barrel mouth of the barrel, and then the waste residue inside the barrel is taken out, thereby further facilitating the user to clean the barrel.

[0015] Preferably, a servo motor is fixedly connected to the top surface of the sealing cover; a transmission shaft is provided on the bottom surface of the sealing cover at a position corresponding to the servo motor, and the transmission shaft is connected to the output shaft of the servo motor through a magnetic coupler; a main shaft is rotatably connected to the center of the bottom surface of the sealing cover; the main shaft and the transmission shaft are transmitted through a gear set; a stirring blade is fixedly connected to the surface of the main shaft; during operation, when the hydraulic cylinder buckles the sealing cover on the top surface of the barrel, the servo motor drives the transmission shaft to rotate through the magnetic coupling, and then the transmission shaft drives the main shaft to rotate through the gear set, and finally the main shaft drives the stirring blades on its surface to rotate, thereby stirring the concentrate and leachate inside the barrel, so that the concentrate is fully mixed with the leachate to promote the leaching of rhenium.

[0016] Preferably, a method for high-pressure leaching of ammonium rhenate, which uses the above-mentioned high-pressure leaching device for ammonium rhenate, comprises the following steps:

[0017] S1. First, the rhenium-containing concentrate is put into the barrel through the screw feeder, and then the leaching agent is added. Then the servo motor drives the rotating column with the connecting plate and the barrel to rotate, and the barrel containing the concentrate is rotated to the support arm. Then, the support plate is driven by the screw lift to push the support plate to the bottom of the barrel;

[0018] S2. When the hydraulic cylinder on the top of the support arm presses the sealing cover onto the top surface of the barrel, the external pump will pressurize the inside of the barrel through the extrusion tube, and then the servo motor will drive the main shaft to rotate, and the stirring blades on the surface of the main shaft will stir the concentrate and the leaching agent. At the same time, the heating wire on the inner wall of the heating cylinder will also heat the barrel to promote the dissolution of rhenium in the concentrate into the leaching agent.

[0019] S3. When the leaching operation is completed, the hydraulic cylinder will lift the sealing cover, and the screw lift will lower the support plate and the heating cylinder. Then the rotating column will drive the connecting plate to rotate again, and the barrel that has completed the leaching operation will be rotated to the suction component. The suction component will suck out the leaching liquid in the barrel, and then the barrel containing the waste residue will be rotated to the dumping groove on the surface of the limiting cylinder;

[0020] S4. The barrel located at the dumping chute will be deflected by the push of the electric push rod and the rotating roller until the barrel rotates to a horizontal position. Then the hydraulic rod drives the scraper to extend into the barrel to scrape out the waste residue in the barrel. Then the electric push rod drives the rotating roller to reset, and the barrel is also reset by the torsion spring. The connecting plate can then rotate the empty barrel to the spiral feeder for a new round of processing operations.

[0021] The beneficial effects of the present invention are as follows:

[0022] 1. The high-pressure leaching device and leaching method of ammonium rhenate described in the present invention, through the arrangement of four barrels, when one of the barrels is performing pressurized leaching, the remaining barrels can perform operations such as loading, leaching liquid suction and waste residue cleaning, so that the preparatory work before processing is carried out synchronously with the processing, thereby ensuring the continuity of production and further improving production efficiency.

[0023] 2. The high-pressure leaching device and leaching method of ammonium rhenate described in the present invention can reduce the wear of the barrel and increase its service life through the setting of the roller, and the setting of the dumping chute can facilitate the user to rotate the barrel, thereby facilitating the user to clean the waste residue inside the barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] Figure 1 is a stereogram of the present invention;

[0026] Figure 2 It is a structural schematic diagram of the connection disk in the present invention;

[0027] Figure 3 It is a structural schematic diagram of the limiting cylinder in the present invention;

[0028] Figure 4 It is a structural schematic diagram of the connection block in the present invention;

[0029] Figure 5 It is a schematic diagram of the structure of the connecting ring in the present invention;

[0030] Figure 6 It is a schematic diagram of the structure of the heating wire in the present invention;

[0031] Figure 7 It is a schematic diagram of the structure of the stirring blade in the present invention;

[0032] Figure 8 is a flow chart of the method of the present invention;

[0033] In the figure: 1. base; 2. rotating column; 3. connecting plate; 4. rotating groove; 5. material barrel; 6. supporting arm; 7. hydraulic cylinder; 8. sealing cover; 9. pressurizing pipe; 10. limiting cylinder; 11. dumping groove; 12. roller; 13. electric push rod; 14. connecting block; 15. extrusion roller; 16. metal cylinder; 17. magnet plate; 18. extension seat; 19. screw lifter; 20. support plate; 21. heating cylinder; 22. heating wire; 23. hydraulic rod; 24. scraper; 25. connecting rod; 26. rotating ring; 27. connecting ring; 28. servo motor; 29. ​​transmission shaft; 30. main shaft; 31. stirring blade. DETAILED DESCRIPTION

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

[0035] like Figure 1 to Figure 2 As shown, an ammonium rhenate high-pressure leaching device according to an embodiment of the present invention comprises a base 1; a rotating column 2 is rotatably connected to the top surface of the base 1, and the rotating column 2 is driven by a motor; a connecting plate 3 is fixedly connected to the surface of the rotating column 2; four rotating grooves 4 are opened on the surface of the connecting plate 3; a barrel 5 is rotatably connected in each of the rotating grooves 4; a supporting arm 6 is fixedly connected to the top surface of the base 1; a hydraulic cylinder 7 is fixedly connected to the top of the supporting arm 6; a sealing cover 8 is fixedly connected to the telescopic end of the hydraulic cylinder 7, and the sealing cover 8 is adapted to the opening at the top of the barrel 5; a pressurizing pipe 9 is fixedly connected to the top surface of the sealing cover 8, and the pressurizing pipe 9 is connected to the top surface of the sealing cover 8. An external pressure pump is connected; a screw feeder and a suction assembly are respectively installed on both sides of the rotating column 2; the screw feeder and the suction assembly are symmetrical about the line between the rotating column 2 and the support arm 6; the screw feeder is used to feed the ammonium rhenate solution in the barrel 5; the suction assembly sucks the ammonium rhenate solution in the barrel 5 through the pump; when working, before preparing ammonium rhenate, the user needs to first use the screw feeder to transport the rhenium-containing concentrate into the barrel 5, and then the user pours the leaching agent into the barrel 5 containing the concentrate, and then the motor drives the rotating column 2 on the top surface of the base 1 to rotate, and then the rotating column 2 drives the connecting plate 3 to rotate, The connecting plate 3 then drives the barrel 5 in the rotating groove 4 on its surface to rotate together, so that the barrel 5 filled with the concentrate is rotated to the bottom of the support arm 6, and then the hydraulic cylinder 7 at the support arm 6 is started, driving the sealing cover 8 to press on the top surface of the barrel 5, thereby sealing the barrel 5. At this time, gas is introduced into the barrel 5 through the pressure pipe 9 on the top surface of the barrel 5, so that the inside of the barrel 5 is in a high-pressure state, so that the rhenium element of the concentrate enters the leaching agent. After the leaching is completed, the hydraulic cylinder 7 drives the sealing cover 8 away from the barrel 5, and then the rotating column 2 drives the barrel 5 that has completed the leaching operation to rotate to the suction assembly through the connecting plate 3, and is then The suction component sucks the leachate in the barrel 5, and then the rotating column 2 drives the barrel 5 to rotate again so that it is located at the end away from the support arm 6. Then the user removes the waste residue in the barrel 5. After cleaning, the cleaned barrel 5 can be rotated to the bottom of the spiral feeder again to repeat the previous processing flow. Through the setting of four barrels 5, when one of the barrels 5 is undergoing pressurized leaching, the remaining barrels 5 can perform loading, leachate suction and waste residue cleaning operations, so that the preparatory work before processing is carried out simultaneously with the processing, thereby ensuring the continuity of production and further improving production efficiency.

[0036] like Figure 1 and Figure 3As shown, the top surface of the base 1 is fixedly connected to the limiting cylinder 10; the rotating column 2, the connecting plate 3 and the bucket 5 are all located inside the limiting cylinder 10; the limiting cylinder 10 is provided with a dumping groove 11 on the side away from the supporting arm 6, and the dumping groove 11 is adapted to the rotating groove 4; the inner wall of the limiting cylinder 10 is rotatably connected to a plurality of evenly arranged rollers 12; the outer surface of the bucket 5 is in contact with the side surface of the roller 12; when working, when the connecting plate 3 drives the bucket 5 to rotate inside the limiting cylinder 10, the inner wall of the bucket 5 The roller 12 will contact the surface of the barrel 5 and roll, thereby reducing the friction between the barrel 5 and the limiting cylinder 10. When the barrel 5 rotates to the dumping groove 11, the user can rotate the barrel 5 to make it rotate to horizontal loading, thereby making it convenient for the user to clean the waste residue inside the barrel 5. The setting of the roller 12 can reduce the wear of the barrel 5 and increase its service life. The setting of the dumping groove 11 can facilitate the user to rotate the barrel 5, thereby making it convenient for the user to clean the waste residue inside the barrel 5.

[0037] like Figure 1 and Figure 4 As shown, the surface of the rotating column 2 is fixedly connected with an electric push rod 13 at the corresponding position of the rotating groove 4; the telescopic end of the electric push rod 13 is fixedly connected with a connecting block 14; the end of the connecting block 14 away from the electric push rod 13 is rotatably connected with an extrusion roller 15; the extrusion roller 15 is in contact with the surface of the barrel 5; a torsion spring is installed at the rotation connection between the barrel 5 and the rotating groove 4; when working, when the user needs to rotate the barrel 5 at the dumping groove 11, the user needs to start the electric push rod 13 to make the electric push rod 13 rotate. The push rod 13 drives the extrusion block and the extrusion roller 15 to move toward the dumping groove 11, thereby squeezing the barrel 5, causing the barrel 5 to deflect and compress the torsion spring. When the barrel 5 is cleaned, the electric push rod 13 drives the extrusion roller 15 to reset, and the barrel 5 will also reset under the drive of the torsion spring. When the barrel 5 rotates in the limiting cylinder 10, the extrusion roller 15 can also cooperate with the roller 12, so that the barrel 5 can maintain a vertical state, so that the sealing cover 8 can be smoothly aligned with the barrel 5 later.

[0038] like Figure 4 As shown, a metal cylinder 16 is fixedly connected to the side surface of the rotating roller; the metal cylinder 16 is made of magnetizable metal; a magnet plate 17 is embedded on the surface of the barrel 5 at the corresponding position of the metal cylinder 16; during operation, after the waste residue in the barrel 5 is cleaned, the electric push rod 13 will drive the squeezing roller 15 to reset, so that the torsion spring can drive the barrel 5 to return to the vertical state. At this time, the metal cylinder 16 on the surface of the squeezing roller 15 will just stick to the magnet plate 17 on the surface of the barrel 5, thereby adsorbing the barrel 5 to keep it in a vertical state and prevent it from shaking, which causes the barrel 5 to collide with the roller 12 at the notch of the dumping trough 11 when the connecting plate 3 drives the barrel 5 to rotate, causing the roller 12 to be damaged.

[0039] like Figure 1 , Figure 2 and Figure 6 As shown, the bottom of the support arm 6 is fixedly connected with an extension seat 18, and the extension seat 18 extends to the inside of the limiting cylinder 10; the end of the extension seat 18 located inside the limiting cylinder 10 is fixedly connected with a screw lift 19; the lifting end of the screw lift 19 is installed with a support plate 20; the support plate 20 is adapted to the bottom surface of the barrel 5; when working, when the hydraulic cylinder 7 drives the sealing cover 8 to buckle toward the top surface of the barrel 5, the screw lift 19 at the end of the extension seat 18 will drive the support plate 20 to rise, so that The top surface of the support plate 20 supports the bottom surface of the barrel 5, and then the hydraulic cylinder 7 drives the sealing cover 8 to buckle on the top surface of the barrel 5. At this time, due to the support of the support plate 20 on the barrel 5, when the sealing cover 8 is squeezed into the barrel 5, the support plate 20 can provide support for the barrel 5, and there is no need for the connecting shaft between the barrel 5 and the inner wall of the rotating groove 4 to provide support for the barrel 5, thereby protecting the connecting shaft between the barrel 5 and the rotating groove 4 to avoid damage to it, which would cause the rotation of the barrel 5 in the rotating groove 4 to be obstructed.

[0040] like Figure 1 , Figure 2 and Figure 6 As shown, a heating tube 21 is fixedly connected to the top surface of the support plate 20; the inner diameter of the heating tube 21 is consistent with the outer diameter of the barrel 5; a plurality of circles of evenly arranged heating wires 22 are fixedly connected to the inner wall of the heating tube 21; when working, after the support plate 20 is pressed against the bottom surface of the barrel 5, the heating tube 21 will also cover the bottom of the barrel 5. At this time, the user only needs to start the heating wire 22 on the inner wall of the heating tube 21 to heat the barrel 5, thereby promoting the rhenium element in the concentrate to enter the leaching agent.

[0041] like Figure 1 and Figure 5 As shown, a pair of hydraulic rods 23 are fixedly connected to the outer surface of the limiting cylinder 10; the two hydraulic rods 23 are respectively located on both sides of the dumping groove 11; the telescopic ends of the two hydraulic rods 23 are jointly installed with a scraper 24; during operation, when the user needs to clean the waste residue inside the barrel 5, the user needs to rotate the barrel 5 to the dumping groove 11, and drive the squeezing roller 15 through the electric push rod 13 to squeeze the barrel 5, so that the barrel 5 is in a horizontal state, and at this time the hydraulic rod 23 drives the scraper 24 to extend into the barrel 5 to scrape out the waste residue inside the barrel 5, thereby assisting the user to clean the barrel 5.

[0042] like Figure 1 and Figure 5As shown, one end of the scraper 24 close to the hydraulic rod 23 is fixedly connected to a pair of connecting rods 25 at both sides; one end of the connecting rod 25 away from the scraper 24 is commonly fixedly connected to a rotating ring 26; the outer side of the rotating ring 26 is rotatably connected to a connecting ring 27, and the rotating ring 26 is driven by a motor; the telescopic ends of the two hydraulic rods 23 are respectively fixedly connected to the two sides of the connecting ring 27; when working, before the hydraulic rod 23 needs to extend the scraper 24 into the barrel 5, it is necessary to first adjust the rotation angle of the rotating ring 26 so that the scraper 24 is located at the top of the connecting ring 27, and then the hydraulic rod 23 drives the connecting ring 27, the rotating ring 26, and the connecting ring 27. The rod 25 and the scraper 24 extend into the interior of the barrel 5. During this process, since the scraper 24 is located at the top of the barrel 5, it will not directly contact the waste residue, which makes it convenient for the scraper 24 to enter the depth of the barrel 5. Then the rotating ring 26 rotates 180 degrees, driving the connecting rod 25 and the scraper 24 to rotate 180 degrees along the center of the rotating ring 26, so that the scraper 24 can be inserted into the waste residue inside the barrel 5. Then the hydraulic rod 23 drives the connecting ring 27, the rotating ring 26, the connecting rod 25 and the scraper 24 to move toward the barrel mouth of the barrel 5, thereby bringing out the waste residue inside the barrel 5, thereby further facilitating the user to clean the barrel 5.

[0043] like Figure 6 to Figure 7 As shown, the top surface of the sealing cover 8 is fixedly connected with a servo motor 28; a transmission shaft 29 is provided on the bottom surface of the sealing cover 8 at a position corresponding to the servo motor 28, and the transmission shaft 29 is connected to the output shaft of the servo motor 28 through a magnetic coupler; a main shaft 30 is rotatably connected at the center of the bottom surface of the sealing cover 8; the main shaft 30 and the transmission shaft 29 are driven by a gear set; a stirring blade 31 is fixedly connected to the surface of the main shaft 30; during operation, when the hydraulic cylinder 7 buckles the sealing cover 8 on the top surface of the barrel 5, the servo motor 28 drives the transmission shaft 29 to rotate through the magnetic coupler, and then the transmission shaft 29 drives the main shaft 30 to rotate through the gear set, and finally the main shaft 30 drives the stirring blade 31 on its surface to rotate, thereby stirring the concentrate and the leachate inside the barrel 5, so that the concentrate is fully mixed with the leachate to promote the leaching of rhenium.

[0044] like Figure 8 As shown, a high-pressure leaching method for ammonium rhenate is provided, wherein the leaching method adopts the above-mentioned high-pressure leaching device for ammonium rhenate, and comprises the following steps:

[0045] S1. First, the rhenium-containing concentrate is put into the barrel 5 through the screw feeder, and then the leaching agent is added. Then the servo motor 28 drives the rotating column 2 with the connecting plate 3 and the barrel 5 to rotate, and the barrel 5 containing the concentrate is rotated to the support arm 6. Then, the support plate 20 is driven by the screw lift 19 to push the support plate 20 to the bottom surface of the barrel 5;

[0046] S2. When the hydraulic cylinder 7 on the top of the support arm 6 presses the sealing cover 8 onto the top surface of the barrel 5, the external pump pressurizes the inside of the barrel 5 through the extrusion tube, and then the servo motor 28 drives the main shaft 30 to rotate, and the concentrate and the leaching agent are stirred by the stirring blades 31 on the surface of the main shaft 30. At the same time, the heating wire 22 on the inner wall of the heating cylinder 21 also heats the barrel 5 to promote the dissolution of rhenium in the concentrate into the leaching agent;

[0047] S3. When the leaching operation is completed, the hydraulic cylinder 7 will lift the sealing cover 8, and the screw lift 19 will also lower the support plate 20 and the heating cylinder 21. Then the rotating column 2 will drive the connecting plate 3 to rotate again, and the material barrel 5 that has completed the leaching operation will be rotated to the suction component, and the suction component will suck out the leachate in the material barrel 5, and then the material barrel 5 filled with waste residue will be rotated to the dumping groove 11 on the surface of the limiting cylinder 10;

[0048] S4. The barrel 5 located at the dumping chute 11 will be deflected under the push of the electric push rod 13 and the rotating roller until the barrel 5 is rotated to a horizontal position, and then the hydraulic rod 23 drives the scraper 24 to extend into the barrel 5 to scrape out the waste residue in the barrel 5. Then the electric push rod 13 drives the rotating roller to reset, and the barrel 5 is also reset under the drive of the torsion spring, and the connecting plate 3 can rotate the empty barrel 5 to the spiral feeder for a new round of processing operations.

[0049] When working, an ammonium rhenate high-pressure leaching device includes a base 1; the top surface of the base 1 is rotatably connected to a rotating column 2, and the rotating column 2 is driven by a motor; the surface of the rotating column 2 is fixedly connected to a connecting plate 3; the surface of the connecting plate 3 is provided with four rotating grooves 4; a barrel 5 is rotatably connected in each of the rotating grooves 4; a supporting arm 6 is fixedly connected to the top surface of the base 1; a hydraulic cylinder 7 is fixedly connected to the top of the supporting arm 6; a sealing cover 8 is fixedly connected to the telescopic end of the hydraulic cylinder 7, and the sealing cover 8 is adapted to the opening at the top of the barrel 5; a pressurizing pipe 9 is fixedly connected to the top surface of the sealing cover 8, and the pressurizing pipe 9 is connected to an external pressurizing pump. The rotating column 2 is connected; a screw feeder and a suction assembly are respectively installed on both sides of the rotating column 2; the screw feeder and the suction assembly are symmetrical about the line between the rotating column 2 and the support arm 6; the screw feeder is used to feed the ammonium rhenate solution in the barrel 5; the suction assembly sucks the ammonium rhenate solution in the barrel 5 through a pump; when working, before preparing the ammonium rhenate, the user needs to first use the screw feeder to transport the rhenium-containing concentrate into the barrel 5, and then the user pours the leaching agent into the barrel 5 containing the concentrate, and then the motor drives the rotating column 2 on the top surface of the base 1 to rotate, and then the rotating column 2 drives the connecting plate 3 to rotate, and then the connecting plate 3 is connected to the rotating column 2. The disk 3 drives the barrel 5 in the rotating groove 4 on its surface to rotate together, so that the barrel 5 filled with the concentrate is rotated to the bottom of the support arm 6, and then the hydraulic cylinder 7 at the support arm 6 is started, driving the sealing cover 8 to press on the top surface of the barrel 5, thereby closing the barrel 5. At this time, gas is introduced into the barrel 5 through the pressure pipe 9 on the top surface of the barrel 5, so that the inside of the barrel 5 is in a high-pressure state, so that the rhenium element of the concentrate enters the leaching agent. After the leaching is completed, the hydraulic cylinder 7 drives the sealing cover 8 away from the barrel 5, and then the rotating column 2 drives the barrel 5 that has completed the leaching operation to rotate to the suction assembly through the connecting disk 3, and the suction assembly is used to remove the rhenium element from the concentrate. The component sucks the leachate in the barrel 5, and then the rotating column 2 drives the barrel 5 to rotate again so that it is located at the end away from the support arm 6. Then the user removes the waste residue in the barrel 5. After cleaning, the cleaned barrel 5 can be rotated to the bottom of the spiral feeder again to repeat the previous processing flow. Through the setting of four barrels 5, when one of the barrels 5 is undergoing pressurized leaching, the remaining barrels 5 can perform loading, leachate suction and waste residue cleaning operations, so that the preparatory work before processing is carried out simultaneously with the processing, thereby ensuring the continuity of production and further improving production efficiency.

[0050] Preferably, the top surface of the base 1 is fixedly connected to the limiting cylinder 10; the rotating column 2, the connecting plate 3 and the barrel 5 are all located inside the limiting cylinder 10; the limiting cylinder 10 is provided with a dumping groove 11 on the side away from the supporting arm 6, and the dumping groove 11 is adapted to the rotating groove 4; the inner wall of the limiting cylinder 10 is rotatably connected to a plurality of rollers 12 evenly arranged; the outer surface of the barrel 5 is in contact with the side surface of the roller 12; during operation, when the connecting plate 3 drives the barrel 5 to rotate inside the limiting cylinder 10, the inner wall of the barrel 5 The roller 12 on the material barrel 5 will contact the surface of the material barrel 5 and roll, thereby reducing the friction between the material barrel 5 and the limiting cylinder 10. When the material barrel 5 rotates to the dumping groove 11, the user can rotate the material barrel 5 to make it rotate to horizontal loading, thereby making it convenient for the user to clean the waste residue inside the material barrel 5. The setting of the roller 12 can reduce the wear of the material barrel 5 and increase its service life. The setting of the dumping groove 11 can facilitate the user to rotate the material barrel 5, thereby making it convenient for the user to clean the waste residue inside the material barrel 5.

[0051] Preferably, the surface of the rotating column 2 is fixedly connected with an electric push rod 13 at the corresponding position of the rotating groove 4; the telescopic end of the electric push rod 13 is fixedly connected with a connecting block 14; the end of the connecting block 14 away from the electric push rod 13 is rotatably connected with an extrusion roller 15; the extrusion roller 15 is in contact with the surface of the barrel 5; a torsion spring is installed at the rotating connection between the barrel 5 and the rotating groove 4; when working, when the user needs to rotate the barrel 5 at the dumping groove 11, the user needs to start the electric push rod 13 to make The electric push rod 13 drives the extrusion block and the extrusion roller 15 to move toward the dumping groove 11, thereby squeezing the barrel 5, causing the barrel 5 to deflect and compress the torsion spring. When the barrel 5 is cleaned, the electric push rod 13 drives the extrusion roller 15 to reset, and the barrel 5 will also reset under the drive of the torsion spring. When the barrel 5 rotates in the limiting cylinder 10, the extrusion roller 15 can also cooperate with the roller 12, so that the barrel 5 can maintain a vertical state, so that the sealing cover 8 can be smoothly aligned with the barrel 5 later.

[0052] Preferably, a metal cylinder 16 is fixedly connected to the side surface of the rotating roller; the metal cylinder 16 is made of magnetizable metal; a magnet plate 17 is embedded on the surface of the barrel 5 at the position corresponding to the metal cylinder 16; during operation, after the waste residue in the barrel 5 is cleaned, the electric push rod 13 will drive the squeezing roller 15 to reset, so that the torsion spring can drive the barrel 5 to return to the vertical state. At this time, the metal cylinder 16 on the surface of the squeezing roller 15 will just stick to the magnet plate 17 on the surface of the barrel 5, thereby adsorbing the barrel 5 and keeping it in a vertical state to prevent it from shaking, which causes the barrel 5 to collide with the roller 12 at the notch of the dumping trough 11 when the connecting plate 3 drives the barrel 5 to rotate, causing damage to the roller 12.

[0053] Preferably, an extension seat 18 is fixedly connected to the bottom of the support arm 6, and the extension seat 18 extends to the inside of the limiting cylinder 10; one end of the extension seat 18 located inside the limiting cylinder 10 is fixedly connected to a screw lift 19; a support plate 20 is installed at the lifting end of the screw lift 19; the support plate 20 is adapted to the bottom surface of the barrel 5; when working, when the hydraulic cylinder 7 drives the sealing cover 8 to buckle toward the top surface of the barrel 5, the screw lift 19 at the end of the extension seat 18 will drive the support plate 20 to rise, so that The top surface of the support plate 20 supports the bottom surface of the barrel 5, and then the hydraulic cylinder 7 drives the sealing cover 8 to buckle on the top surface of the barrel 5. At this time, due to the support of the support plate 20 on the barrel 5, when the sealing cover 8 is squeezed into the barrel 5, the support plate 20 can provide support for the barrel 5, and there is no need for the connecting shaft between the barrel 5 and the inner wall of the rotating groove 4 to provide support for the barrel 5, thereby protecting the connecting shaft between the barrel 5 and the rotating groove 4 to avoid damage, which would cause the rotation of the barrel 5 in the rotating groove 4 to be obstructed.

[0054] Preferably, a heating tube 21 is fixedly connected to the top surface of the support plate 20; the inner diameter of the heating tube 21 is consistent with the outer diameter of the barrel 5; a plurality of circles of evenly arranged heating wires 22 are fixedly connected to the inner wall of the heating tube 21; when working, after the support plate 20 is pressed against the bottom surface of the barrel 5, the heating tube 21 will also cover the bottom of the barrel 5. At this time, the user only needs to start the heating wire 22 on the inner wall of the heating tube 21 to heat the barrel 5, thereby promoting the rhenium element in the concentrate to enter the leaching agent.

[0055] Preferably, a pair of hydraulic rods 23 are fixedly connected to the outer surface of the limiting cylinder 10; the two hydraulic rods 23 are respectively located on both sides of the dumping groove 11; the telescopic ends of the two hydraulic rods 23 are jointly installed with a scraper 24; during operation, when the user needs to clean the waste residue inside the barrel 5, the user needs to rotate the barrel 5 to the dumping groove 11, and drive the squeezing roller 15 through the electric push rod 13 to squeeze the barrel 5, so that the barrel 5 is in a horizontal state. At this time, the hydraulic rod 23 drives the scraper 24 to extend into the barrel 5 to scrape out the waste residue inside the barrel 5, thereby assisting the user to clean the barrel 5.

[0056] Preferably, one end of the scraper 24 close to the hydraulic rod 23 is fixedly connected to a pair of connecting rods 25 at both sides; one end of the connecting rod 25 away from the scraper 24 is commonly fixedly connected to a rotating ring 26; the outer side of the rotating ring 26 is rotatably connected to a connecting ring 27, and the rotating ring 26 is driven by a motor; the telescopic ends of the two hydraulic rods 23 are respectively fixedly connected to the two sides of the connecting ring 27; when working, before the hydraulic rod 23 needs to extend the scraper 24 into the barrel 5, it is necessary to first adjust the rotation angle of the rotating ring 26 so that the scraper 24 is located at the top of the connecting ring 27, and then the hydraulic rod 23 drives the connecting ring 27, the rotating ring 26, and the connecting ring 27 to move. The rod 25 and the scraper 24 extend into the interior of the barrel 5. During this process, since the scraper 24 is located at the top of the barrel 5, it will not directly contact the waste residue, which makes it convenient for the scraper 24 to enter the depth of the barrel 5. Then the rotating ring 26 rotates 180 degrees, driving the connecting rod 25 and the scraper 24 to rotate 180 degrees along the center of the rotating ring 26, so that the scraper 24 can be inserted into the waste residue inside the barrel 5. Then the hydraulic rod 23 drives the connecting ring 27, the rotating ring 26, the connecting rod 25 and the scraper 24 to move toward the barrel mouth of the barrel 5, thereby bringing out the waste residue inside the barrel 5, thereby further facilitating the user to clean the barrel 5.

[0057] Preferably, a servo motor 28 is fixedly connected to the top surface of the sealing cover 8; a transmission shaft 29 is provided on the bottom surface of the sealing cover 8 at a position corresponding to the servo motor 28, and the transmission shaft 29 is connected to the output shaft of the servo motor 28 through a magnetic coupler; a main shaft 30 is rotatably connected to the center of the bottom surface of the sealing cover 8; the main shaft 30 and the transmission shaft 29 are driven by a gear set; a stirring blade 31 is fixedly connected to the surface of the main shaft 30; during operation, when the hydraulic cylinder 7 buckles the sealing cover 8 on the top surface of the barrel 5, the servo motor 28 drives the transmission shaft 29 to rotate through the magnetic coupler, and then the transmission shaft 29 drives the main shaft 30 to rotate through the gear set, and finally the main shaft 30 drives the stirring blade 31 on its surface to rotate, thereby stirring the concentrate and the leachate inside the barrel 5, so that the concentrate is fully mixed with the leachate to promote the leaching of the rhenium element.

[0058] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An ammonium rhenate high pressure leaching device, characterized in that: The invention comprises a base (1); a rotating column (2) is rotatably connected to the top surface of the base (1), and the rotating column (2) is driven by a motor; a connecting plate (3) is fixedly connected to the surface of the rotating column (2); four rotating grooves (4) are provided on the surface of the connecting plate (3); a material barrel (5) is rotatably connected in each of the rotating grooves (4); a supporting arm (6) is fixedly connected to the top surface of the base (1); a hydraulic cylinder (7) is fixedly connected to the top of the supporting arm (6); a sealing cover (8) is fixedly connected to the telescopic end of the hydraulic cylinder (7); ), and the sealing cover (8) is adapted to the opening at the top of the barrel (5); a pressurizing tube (9) is fixedly connected to the top surface of the sealing cover (8), and the pressurizing tube (9) is connected to an external pressurizing pump; a screw feeder and a suction assembly are respectively installed on both sides of the rotating column (2); the screw feeder and the suction assembly are respectively symmetrical about the line between the rotating column (2) and the support arm (6); the screw feeder is used to feed the barrel (5); the suction assembly sucks the ammonium rhenate solution in the barrel (5) through a pump.

2. The ammonium rhenate high pressure leaching device according to claim 1, characterized in that: The top surface of the base (1) is fixedly connected to the limiting cylinder (10); the rotating column (2), the connecting plate (3) and the material barrel (5) are all located inside the limiting cylinder (10); a dumping groove (11) is provided on the side of the limiting cylinder (10) away from the supporting arm (6), and the dumping groove (11) is adapted to the rotating groove (4); the inner wall of the limiting cylinder (10) is rotatably connected to a plurality of evenly arranged rollers (12); the outer surface of the material barrel (5) is in contact with the side surface of the roller (12).

3. The ammonium rhenate high pressure leaching device according to claim 2, characterized in that: The surface of the rotating column (2) is fixedly connected with an electric push rod (13) at a position corresponding to the rotating groove (4); the telescopic end of the electric push rod (13) is fixedly connected with a connecting block (14); the end of the connecting block (14) away from the electric push rod (13) is rotatably connected with an extrusion roller (15); the extrusion roller (15) is in contact with the surface of the barrel (5); and a torsion spring is installed at the rotation connection between the barrel (5) and the rotating groove (4).

4. The ammonium rhenate high pressure leaching device according to claim 3, characterized in that: A metal cylinder (16) is fixedly connected to the side surface of the rotating roller; the metal cylinder (16) is made of magnetizable metal; and a magnet plate (17) is embedded on the surface of the material barrel (5) at a position corresponding to the metal cylinder (16).

5. The ammonium rhenate high pressure leaching device according to claim 1, characterized in that: An extension seat (18) is fixedly connected to the bottom of the support arm (6), and the extension seat (18) extends to the inside of the limiting cylinder (10); one end of the extension seat (18) located inside the limiting cylinder (10) is fixedly connected to a screw lift (19); a support plate (20) is installed at the lifting end of the screw lift (19); the support plate (20) is adapted to the bottom surface of the barrel (5).

6. The ammonium rhenate high pressure leaching device according to claim 5, characterized in that: A heating tube (21) is fixedly connected to the top surface of the support plate (20); the inner diameter of the heating tube (21) is consistent with the outer diameter of the barrel (5); and a plurality of evenly arranged heating wires (22) are fixedly connected to the inner wall of the heating tube (21).

7. The ammonium rhenate high pressure leaching device according to claim 2, characterized in that: A pair of hydraulic rods (23) are fixedly connected to the outer surface of the limiting cylinder (10); the two hydraulic rods (23) are respectively located on both sides of the dumping groove (11); and a scraper (24) is commonly installed at the telescopic ends of the two hydraulic rods (23).

8. The high-pressure leaching device for ammonium rhenate according to claim 7, characterized in that: One end of the scraper (24) close to the hydraulic rod (23) is fixedly connected to a pair of connecting rods (25) at both sides; one end of the connecting rod (25) away from the scraper (24) is commonly fixedly connected to a rotating ring (26); the outer side of the rotating ring (26) is rotatably connected to a connecting ring (27), and the rotating ring (26) is driven by a motor; the telescopic ends of the two hydraulic rods (23) are respectively fixedly connected to the two sides of the connecting ring (27).

9. The ammonium rhenate high pressure leaching device according to claim 1, characterized in that: The top surface of the sealing cover (8) is fixedly connected to a servo motor (28); a transmission shaft (29) is arranged on the bottom surface of the sealing cover (8) at a position corresponding to the servo motor (28), and the transmission shaft (29) is connected to the output shaft of the servo motor (28) via a magnetic coupler; a main shaft (30) is rotatably connected to the center of the bottom surface of the sealing cover (8); the main shaft (30) and the transmission shaft (29) are driven by a gear set; and a stirring blade (31) is fixedly connected to the surface of the main shaft (30).

10. A method for high-pressure leaching of ammonium rhenate, the method using an ammonium rhenate high-pressure leaching device as described in any one of claims 1 to 9, characterized in that: The following steps are involved: S1. First, the rhenium-containing concentrate is put into the material barrel (5) through the screw feeder, and then the leaching agent is added. Then, the servo motor (28) drives the rotating column (2) with the connecting plate and the material barrel (5) to rotate, and the material barrel (5) containing the concentrate is rotated to the support arm (6). Then, the support plate (20) is driven by the screw lift (19) to push the support plate (20) to the bottom surface of the material barrel (5); S2. When the hydraulic cylinder (7) on the top of the support arm (6) presses the sealing cover (8) onto the top surface of the barrel (5), the external pump pressurizes the inside of the barrel (5) through the extrusion tube, and then the servo motor (28) drives the main shaft (30) to rotate, and the concentrate and the leaching agent are stirred by the stirring blades (31) on the surface of the main shaft (30). At the same time, the heating wire (22) on the inner wall of the heating cylinder (21) also heats the barrel (5) to promote the dissolution of rhenium in the concentrate into the leaching agent; S3. When the leaching operation is completed, the hydraulic cylinder (7) will lift the sealing cover (8), and the screw lifter (19) will lower the support plate (20) and the heating cylinder (21). Then, the rotating column (2) will drive the connecting plate to rotate again, and the material barrel (5) that has completed the leaching operation will be rotated to the suction component. The suction component will suck out the leaching liquid in the material barrel (5), and then the material barrel (5) containing the waste residue will be rotated to the dumping groove (11) on the surface of the limiting cylinder (10); S4. The material barrel (5) located at the dumping trough (11) will deflect under the push of the electric push rod (13) and the rotating roller until the material barrel (5) is rotated to a horizontal position, and then the hydraulic rod (23) drives the scraper (24) to extend into the material barrel (5) to scrape out the waste residue in the material barrel (5). Then the electric push rod (13) drives the rotating roller to reset, and the material barrel (5) is also reset under the drive of the torsion spring. The connecting plate can then rotate the empty material barrel (5) to the spiral feeder for a new round of processing operations.

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