Device for recovering crude germanium tetrachloride from germanium distillation residues

Abstract

The utility model discloses a device for recovering crude germanium tetrachloride from germanium distillation residues, and relates to the technical field of germanium extraction. The device comprises a distillation kettle, a heating assembly is arranged in the distillation kettle, and a feeding assembly is further arranged at the top of the distillation kettle; the heating assembly comprises a steam box fixedly connected to the front end of the distillation still, rotating pipes are rotationally connected to the upper portion and the lower portion of the rear end of the steam box through rotating joints, and the rear ends of the rotating pipes rotationally penetrate through the rear end face of the steam box and fixedly communicate with the same connecting pipe through the rotating joints. The hollow plate is driven by the rotating pipe to rotate in the distillation kettle, and steam is provided for the interior of the hollow plate through the steam box, so that a mixture of germanium distillation residues and concentrated hydrochloric acid in the distillation kettle is heated and stirred, and the problem that the existing heating effect is not ideal is solved; and meanwhile, the germanium distillation residues are crushed through the rotation of the rotary drum and the crushing sleeve on the mounting rod, so that the problem that the germanium distillation residues are inconvenient to pretreat at present is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to germanium extraction technical field, especially relate to a device for recovering crude germanium tetrachloride from germanium distillation residue. BACKGROUND

[0002] Germanium is a silvery white brittle metal, has good semiconductor properties, has stable chemical properties, and does not react with air or water vapor at room temperature, but in the extraction process of germanium, in order to facilitate the recycling of germanium tetrachloride in germanium distillation residue, the chlorination distillation device is usually used;

[0003] The file with the existing announcement number CN217246829U discloses a chlorination distillation device, which comprises: a distillation reaction device for providing a generation place of germanium tetrachloride gas; a cooling device and a collection tank, the cooling device is in communication with the distillation reaction device to cool the germanium tetrachloride gas generated in the distillation reaction device, and a single collection tank is arranged directly below the cooling device, the collection tank is in communication with the cooling device to collect the liquid germanium tetrachloride cooled and generated in the cooling device;

[0004] However, it still has the following disadvantages in actual use:

[0005] The chlorination distillation device comprises an enamel reaction kettle and a steam jacket, and the steam jacket is sleeved on the outer surface of the enamel reaction kettle. The material in the enamel reaction kettle is heated by the steam in the steam jacket. However, during use, since the steam jacket is located on the outer surface of the enamel reaction kettle, the heating effect of the steam jacket on the material at the central position in the enamel reaction kettle is not ideal, thereby resulting in poor chlorination distillation efficiency.

[0006] The chlorination distillation device comprises a distillation reaction device for providing a generation place of germanium tetrachloride gas, a cooling device for condensing the germanium tetrachloride gas, and a collection tank for collecting the liquid germanium tetrachloride. However, during use, it is not convenient to pretreat the raw materials, resulting in poor chlorination distillation efficiency of the germanium distillation residue in the enamel reaction kettle.

[0007] Therefore, we provide a device for recovering crude germanium tetrachloride from germanium distillation residue to solve the above problems. UTILITY MODEL CONTENTS

[0008] The utility model discloses a device for recovering crude germanium tetrachloride from germanium distillation residue, which comprises a distillation still, a heating assembly arranged inside the distillation still, and a feeding assembly arranged on the top of the distillation still.

[0009] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0010] The utility model discloses a device for recovering crude germanium tetrachloride from germanium distillation residue, which comprises a distillation still, a heating assembly arranged inside the distillation still, and a feeding assembly arranged on the top of the distillation still.

[0011] The heating assembly comprises a steam box fixedly connected to the front end of the distillation still, a rotating pipe rotatably connected to the upper and lower parts of the rear end of the steam box through a rotary joint, and a connecting pipe fixedly connected to the rear end of the rotating pipe and penetrating through the rear end surface of the steam box.

[0012] The feeding assembly comprises a hopper fixedly connected to the top of the distillation still, a mounting plate fixedly connected to the lower part of the inside of the hopper, a rotating drum rotatably connected to the upper surface of the mounting plate, a plurality of sieve holes equidistantly arranged on the outer sidewall of the rotating drum, a plurality of mounting rods fixedly connected to the periphery of the inside of the rotating drum along the vertical direction, a plurality of crushing sleeves equidistantly sleeved on the outer wall of the mounting rods along the axial direction, a rotating shaft fixedly connected to the bottom of the rotating drum, a first bevel gear rotatably penetrating through the mounting plate and sleeved on the bottom end of the rotating shaft, a driving rod rotatably connected to the lower part of the mounting plate through a mounting seat, a second bevel gear sleeved on the outer wall of the driving rod, and the first bevel gear and the second bevel gear are in meshing engagement with each other.

[0013] Further, the utility model discloses that an air inlet cavity is formed in the upper part of the inside of the steam box, a first steam inlet pipe and a first steam outlet pipe are fixedly connected to the front and rear ends of the air inlet cavity respectively, an air outlet cavity is formed in the lower part of the inside of the steam box, a second steam outlet pipe and a second steam inlet pipe are fixedly connected to the front and rear ends of the air outlet cavity respectively, thermometers are fixedly connected to the upper and lower parts of the outer wall of the steam box, the temperature measuring probes of the thermometers extend into the inside of the air inlet cavity and the air outlet cavity respectively, and the front ends of the two rotating pipes are in communication with the rear ends of the first steam outlet pipe and the second steam inlet pipe through rotary joints.

[0014] The utility model discloses a further setting be: the rear end face top and bottom of steam box all are fixedly connected with mounting bracket, the rear end face both sides of mounting bracket all are welded with fixed link, the rear end of fixed link all are welded with fixed plate, and the rear end of fixed plate is fixedly connected on the front end face of distillation kettle.

[0015] The utility model discloses a further setting be: the side outer wall top of distillation kettle is penetrated with liquid inlet pipe, and the other side outer wall of distillation kettle is penetrated with gas outlet pipe, and the bottom center position of distillation kettle is penetrated with blowdown pipe, and the bottom of blowdown pipe is fixedly connected with blowdown valve, and the bottom all of distillation kettle is welded with support rod, and the feed inlet of distillation kettle top is fixedly connected with sealing door.

[0016] The utility model discloses a further setting be: the outer lateral wall of rotating pipe is opened with a plurality of gas outlet holes along its circumferential equidistance, and the gas outlet hole all is located in the inside of sleeve pipe.

[0017] The utility model discloses a further setting be: the sleeve of rotating pipe located distillation kettle outside one section has first synchronous wheel, and the rear end face one side of distillation kettle is fixedly connected with first drive motor through first motor frame, and the sleeve of first drive motor's output shaft has second synchronous wheel, and first synchronous wheel and second synchronous wheel are connected through first synchronous belt drive.

[0018] The utility model discloses a further setting be: the top rotation of hopper is connected with cover plate, and the bottom fixed communication of hopper has telescopic joint, and the both sides outer wall of hopper all are fixedly connected with L type frame, and the horizontal branch of L type frame is fixedly connected in the top of distillation kettle.

[0019] The utility model discloses a further setting be: the outer wall of hopper one side is fixedly connected with second drive motor through second motor frame, and the output shaft of second drive motor and the rear end of drive link all sleeve have third synchronous wheel, and the transmission of third synchronous wheel is connected through second synchronous belt.

[0020] The utility model has the advantages of:

[0021] The utility model discloses a further setting be: the outer wall of hopper one side is fixedly connected with second drive motor through second motor frame, and the output shaft of second drive motor and the rear end of drive link all sleeve have third synchronous wheel, and the transmission of third synchronous wheel is connected through second synchronous belt.

[0022] The utility model discloses a feed assembly is set up, and the second drive motor is started, and the output shaft of second drive motor is brought drive rod to rotate through third synchronous pulley and second synchronous belt, and drive rod is brought the rotation of the rotating shaft through first bevel gear and second bevel gear to make the rotary drum rotate at high speed, and the high -speed rotation of rotary drum makes germanium distillation slag and broken sleeve collide, and then realizes the crushing of germanium distillation slag, and the germanium distillation slag after crushing is added to retort in the chlorination distillation through sieve hole and expansion joint, and the particle size of germanium distillation slag is controlled, and the germanium in germanium distillation slag is recycled, and the recovery efficiency of germanium is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0024] Figure 1 It is the overall structure schematic diagram of a kind of device for recovering crude germanium tetrachloride from germanium distillation slag.

[0025] Figure 2 It is the front view of the distillation kettle of the utility model.

[0026] Figure 3 It is the structure schematic diagram of heating assembly of the utility model.

[0027] Figure 4 It is the structure schematic diagram of steam box of the utility model.

[0028] Figure 5 It is the side view of the steam box of the utility model.

[0029] Figure 6 It is the structure schematic diagram of rotating tube of the utility model.

[0030] Figure 7 It is the front view of the feed assembly of the utility model.

[0031] Figure 8 It is the structure schematic diagram of rotary drum of the utility model.

[0032] Figure 9 It is the structure schematic diagram of mounting rod of the utility model.

[0033] Figure 10 It is the structure schematic diagram of drive rod of the utility model.

[0034] In the drawing, the component list represented by each sign is as follows:

[0035] 1-distillation kettle, 101-liquid inlet pipe, 102-gas outlet pipe, 103-drain pipe, 104-drain valve, 105-supporting rod, 106-sealing door, 2-heating assembly, 201-steam box, 201a-gas inlet cavity, 201a-1-first steam inlet pipe, 201a-2-first steam outlet pipe, 201b-gas outlet cavity, 201b-1-second steam outlet pipe, 201b-2-second steam inlet pipe, 201c-thermometer, 202-mounting frame, 202a-fixing rod, 202b-fixing plate, 203-rotary pipe, 203a-rotary joint, 203b-connection pipe, 203c-first synchronous wheel, 203d-gas outlet hole, 204-sleeve, 205-hollow plate, 206-first driving motor, 206a-first motor frame, 206b-second synchronous wheel, 206c-first synchronous belt, 3-feeding assembly, 301-hopper, 301a-cover plate, 301b-elastic joint, 301c-L-shaped frame, 302-mounting plate, 303-rotating drum, 303a-sieve hole, 303b-rotating shaft, 303c-first bevel gear, 304-mounting rod, 304a-crushing sleeve, 305-driving rod, 305a-mounting seat, 305b-second bevel gear, 306-second driving motor, 306a-second motor frame, 306b-third synchronous wheel, 306c-second synchronous belt. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Embodiment 1

[0037] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , which is the first embodiment of the present application, and provides a device for recovering crude germanium tetrachloride from germanium distillation residue, comprising a distillation kettle 1, and a heating assembly 2 arranged inside the distillation kettle 1. The heating assembly 2 comprises a steam box 201, a rotary pipe 203, a sleeve 204 and a hollow plate 205. Steam is provided to the sleeve 204 and the hollow plate 205 through the steam box 201, and the hollow plate 205 is driven to rotate in the distillation kettle 1 through the rotary pipe 203, thereby solving the problem of poor heating effect of germanium distillation residue in the existing distillation kettle 1.

[0038] Specifically, the steam box 201 is fixedly connected to the front end of the distillation kettle 1, the rear end of the steam box 201 is rotatably connected to the upper and lower parts of the steam box 201 through the rotary joints 203a, the rear end of the rotary pipe 203 is rotatably penetrated through the rear end surface of the steam box 201 and fixedly connected to the same connecting pipe 203b through the rotary joint 203a, the section of the rotary pipe 203 located inside the steam box 201 is sleeved with a plurality of sleeve pipes 204 at equal intervals along the axial direction of the rotary pipe 203, a plurality of hollow plates 205 are fixedly connected to the outer side wall of the sleeve pipe 204 at equal intervals along the circumferential direction of the sleeve pipe 204, the steam box 201 is connected to a steam generator, which is used to provide steam into the rotary pipe 203, the rotary pipe 203 is a hollow pipe, which is used to provide steam into the sleeve pipe 204 and drive the sleeve pipe 204 to rotate, the sleeve pipe 204 is hollow, and the internal space of the sleeve pipe 204 and the internal space of the hollow plate 205 are in communication with each other, the sleeve pipe 204 is arranged to drive the hollow plate 205 to rotate and provide steam into the hollow plate 205, and the arrangement of the hollow plate 205 realizes the stirring and heating of the material in the distillation kettle 1.

[0039] Further, the inside of the steam box 201 is provided with an air inlet cavity 201a at the upper part, the front end and the rear end of the air inlet cavity 201a are fixedly connected to the first steam inlet pipe 201a-1 and the first steam outlet pipe 201a-2 respectively, the inside of the steam box 201 is provided with an air outlet cavity 201b at the lower part, the front end and the rear end of the air outlet cavity 201b are fixedly connected to the second steam outlet pipe 201b-1 and the second steam inlet pipe 201b-2 respectively, the temperature meters 201c are fixedly connected to the side outer wall of the steam box 201 at the upper and lower parts, the temperature measuring probes of the temperature meters 201c extend into the inside of the air inlet cavity 201a and the air outlet cavity 201b respectively, the front ends of the two rotary pipes 203 are communicated with the rear ends of the first steam outlet pipe 201a-2 and the second steam inlet pipe 201b-2 through the rotary joints 203a respectively;

[0040] The rear end surface of the steam box 201 is fixedly connected to the mounting bracket 202 at the upper and lower parts, the mounting bracket 202 is welded with the fixed rods 202a at the two sides of the rear end surface, the rear end of the fixed rod 202a is welded with the fixed plate 202b, and the rear end surface of the fixed plate 202b is fixedly connected to the front end surface of the distillation kettle 1;

[0041] The liquid inlet pipe 101 is penetrated through the upper part of the side outer wall of the distillation kettle 1, the air outlet pipe 102 is penetrated through the other side outer wall of the distillation kettle 1, the blowdown pipe 103 is penetrated through the center position of the bottom of the distillation kettle 1, the blowdown valve 104 is fixedly connected to the bottom end of the blowdown pipe 103, the support rods 105 are welded to the bottom of the distillation kettle 1 at the four surrounding positions, and the sealing door 106 is fixedly connected to the feed inlet of the top of the distillation kettle 1;

[0042] A plurality of air outlet holes 203d are formed in the outer side wall of the rotary pipe 203 at equal intervals along the circumferential direction of the rotary pipe 203, and the air outlet holes 203d are located in the inside of the sleeve pipe 204;

[0043] The rotating pipe 203 is sleeved with a first synchronous wheel 203c at one end outside the distillation kettle 1, the rear end surface side of the distillation kettle 1 is fixedly connected with a first driving motor 206 through a first motor bracket 206a, a second synchronous wheel 206b is sleeved on the output shaft of the first driving motor 206, and the first synchronous wheel 203c and the second synchronous wheel 206b are drivingly connected through a first synchronous belt 206c.

[0044] The operation process of the embodiment is as follows: first, the steam box 201 is connected with a steam generator through the first steam inlet pipe 201a-1 and the second steam outlet pipe 201b-1, so that the steam enters the rotating pipe 203 through the steam inlet cavity 201a in the steam box 201, and the steam in the rotating pipe 203 enters the sleeve pipe 204 and the hollow plate 205 through the steam outlet hole 203d, so that the temperature of the hollow plate 205 is sharply increased, and the mixture of germanium distillation residue and concentrated hydrochloric acid in the distillation kettle 1 is heated. At the same time, the first driving motor 206 is started, the output shaft of the first driving motor 206 drives the first synchronous wheel 203c and the rotating pipe 203 to rotate through the second synchronous wheel 206b and the first synchronous belt 206c, and the hollow plate 205 is driven to rotate through the rotating pipe 203, so that the material in the distillation kettle 1 is stirred, and the germanium distillation residue is chlorinated and distilled. Embodiment 2

[0045] Please refer to Figure 1 , Figure 7 , Figure 8 , Figure 9 and Figure 10 , which is the second embodiment of the utility model, which is based on the previous embodiment, but is different from the previous embodiment: the distillation kettle 1 is further provided with a feeding assembly 3 at the top, the feeding assembly 3 comprises a hopper 301, a mounting plate 302, a rotating drum 303, a mounting rod 304 and a driving rod 305, the germanium distillation residue in the hopper 301 is crushed and screened through the rotating drum 303 and the crushing sleeve 304a on the mounting rod 304, so as to solve the problem that the germanium distillation residue is not convenient to pretreat.

[0046] Specifically, the hopper 301 is fixedly connected at the top of the distillation kettle 1, a mounting plate 302 is fixedly connected inside and below the hopper 301, the upper surface of the mounting plate 302 is rotatably connected with a rotating drum 303, a plurality of sieve holes 303a are equally spaced on the outer side wall of the rotating drum 303, a plurality of mounting rods 304 are fixedly connected around the inside of the rotating drum 303 in the vertical direction, a plurality of crushing sleeves 304a are equally spaced and sleeved on the outer wall of the mounting rod 304 in the axial direction, a rotating shaft 303b is fixedly connected at the bottom of the rotating drum 303, the bottom end of the rotating shaft 303b rotatably penetrates through the mounting plate 302 and is sleeved with a first bevel gear 303c, a driving rod 305 is rotatably connected below the mounting plate 302 through a mounting seat 305a, a second bevel gear 305b is sleeved on the outer wall of the driving rod 305, the first bevel gear 303c and the second bevel gear 305b are in meshing relationship with each other, the hopper 301 is provided to provide pretreated germanium distillation residues into the distillation kettle 1, the mounting plate 302 is provided to mount the rotating drum 303, the rotating drum 303 is provided to drive the germanium distillation residues to rotate at high speed, the sieve holes 303a are provided to screen out germanium distillation residues meeting the particle size, the rotating shaft 303b and the first bevel gear 303c are provided to drive the rotating drum 303 to rotate, the mounting rod 304 is provided to mount the crushing sleeve 304a, a plurality of protrusions are uniformly arranged on the outer side wall of the crushing sleeve 304a, and then the protrusions on the outer side wall of the crushing sleeve 304a crush the germanium distillation residues, the driving rod 305 and the second bevel gear 305b are provided to drive the rotating shaft 303b to rotate, and the mounting seat 305a is provided to mount the driving rod 305.

[0047] Further, the top of the hopper 301 is rotatably connected with a cover plate 301a, the bottom of the hopper 301 is fixedly connected with an expansion joint 301b, and the outer walls on both sides of the hopper 301 are both fixedly connected with L-shaped brackets 301c, and the horizontal branches of the L-shaped brackets 301c are fixedly connected at the top of the distillation kettle 1.

[0048] The outer wall on one side of the hopper 301 is fixedly connected with a second driving motor 306 through a second motor bracket 306a, the output shaft of the second driving motor 306 and the rear end of the driving rod 305 are both sleeved with third synchronous wheels 306b, and the third synchronous wheels 306b are in driving connection through a second synchronous belt 306c.

[0049] The remaining structure is the same as that of Embodiment 1.

[0050] The operation process of the embodiment is as follows: the cover plate 301a is opened, the germanium distillation residue is placed into the rotating drum 303, the cover plate 301a is closed, then the second driving motor 306 is started, the output shaft of the second driving motor 306 drives the driving rod 305 to rotate through the third synchronous wheel 306b and the second synchronous belt 306c, and the driving rod 305 drives the rotating shaft 303b to rotate through the first bevel gear 303c and the second bevel gear 305b, so that the rotating drum 303 rotates at high speed, the germanium distillation residue collides with the crushing sleeve 304a by the high-speed rotation of the rotating drum 303, and the germanium distillation residue is crushed, and the crushed germanium distillation residue is added into the distillation kettle 1 through the sieve hole 303a and the expansion joint 301b to perform chlorination distillation.

[0051] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0052] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A device for recovering crude germanium tetrachloride from germanium distillation residues, comprising a distillation still (1), characterized in that: The inside of the distillation kettle (1) is provided with a heating assembly (2), and the top of the distillation kettle (1) is also provided with a feeding assembly (3); The heating assembly (2) comprises a steam box (201) fixedly connected to the front end of the distillation kettle (1), and a rotating pipe (203) is rotatably connected to the upper and lower parts of the rear end of the steam box (201) through a rotary joint (203a), the rear end of the rotating pipe (203) rotatably penetrates the rear end surface of the steam box (201) and is fixedly connected to the same connecting pipe (203b) through a rotary joint (203a), and a section of the rotating pipe (203) inside the steam box (201) is sleeved with a plurality of sleeve pipes (204) at equal intervals along its axial direction, a plurality of hollow plates (205) are fixedly connected to the outer side wall of the sleeve pipe (204) at equal intervals along its circumferential direction. The feeding assembly (3) comprises a hopper (301) fixedly connected to the top of the distillation kettle (1), and a mounting plate (302) is fixedly connected to the inside of the hopper (301), the upper surface of the mounting plate (302) is rotatably connected with a rotating drum (303), a plurality of sieve holes (303a) are formed in the outer side wall of the rotating drum (303) at equal intervals, a plurality of mounting rods (304) are fixedly connected to the inside of the rotating drum (303) at equal intervals along the vertical direction, a plurality of crushing sleeves (304a) are sleeved on the outer wall of the mounting rod (304) at equal intervals along its axial direction, a rotating shaft (303b) is fixedly connected to the bottom of the rotating drum (303), the bottom end of the rotating shaft (303b) rotatably penetrates the mounting plate (302) and is sleeved with a first bevel gear (303c), a driving rod (305) is rotatably connected to the lower part of the mounting plate (302) through a mounting seat (305a), a second bevel gear (305b) is sleeved on the outer wall of the driving rod (305), and the first bevel gear (303c) and the second bevel gear (305b) are in meshing engagement with each other.

2. A device for recovering crude germanium tetrachloride from germanium distillation residues according to claim 1, characterized in that, An air inlet cavity (201a) is formed in the upper part of the inside of the steam box (201), and a first steam inlet pipe (201a-1) and a first steam outlet pipe (201a-2) are fixedly connected to the front and rear ends of the air inlet cavity (201a), respectively, an air outlet cavity (201b) is formed in the lower part of the inside of the steam box (201), and a second steam outlet pipe (201b-1) and a second steam inlet pipe (201b-2) are fixedly connected to the front and rear ends of the air outlet cavity (201b), respectively, thermometers (201c) are fixedly connected to the upper and lower parts of the side wall of the steam box (201), and the temperature measuring probes of the thermometers (201c) extend into the inside of the air inlet cavity (201a) and the air outlet cavity (201b), respectively, the front ends of the two rotating pipes (203) are in communication with the rear ends of the first steam outlet pipe (201a-2) and the second steam inlet pipe (201b-2) through rotary joints (203a), respectively.

3. A device for recovering crude germanium tetrachloride from germanium distillation residues according to claim 1, characterized in that, The rear end face of the steam box (201) is fixedly connected with mounting racks (202) above and below, and the rear end face of the mounting rack (202) is welded with fixed rods (202a) on both sides, the rear end of the fixed rod (202a) is welded with a fixed plate (202b), and the rear end of the fixed plate (202b) is fixedly connected to the front end face of the distillation kettle (1).

4. A device for recovering crude germanium tetrachloride from germanium distillation residues according to claim 3, characterized in that, A liquid inlet pipe (101) penetrates through the outer wall of one side of the distillation kettle (1), and a gas outlet pipe (102) penetrates through the outer wall of the other side of the distillation kettle (1), a blowdown pipe (103) penetrates through the center of the bottom of the distillation kettle (1), and a blowdown valve (104) is fixedly connected to the bottom end of the blowdown pipe (103), support rods (105) are welded around the bottom of the distillation kettle (1), and a sealing door (106) is fixedly connected in the feed inlet of the top of the distillation kettle (1).

5. The apparatus for recovering crude germanium tetrachloride from germanium distillation residue according to claim 1, wherein A plurality of gas outlet holes (203d) are evenly spaced on the outer wall of the rotating pipe (203) along the circumference, and the gas outlet holes (203d) are located inside the sleeve pipe (204).

6. A device for recovering crude germanium tetrachloride from germanium distillation residues according to claim 1, characterized in that, The rotating pipe (203) is sleeved with a first synchronous wheel (203c) outside the distillation kettle (1), and a first driving motor (206) is fixedly connected to one side of the rear end face of the distillation kettle (1) through a first motor bracket (206a), a second synchronous wheel (206b) is sleeved on the output shaft of the first driving motor (206), and the first synchronous wheel (203c) and the second synchronous wheel (206b) are drivingly connected through a first synchronous belt (206c).

7. A device for recovering crude germanium tetrachloride from germanium distillation residues according to claim 1, characterized in that, The top of the hopper (301) is rotatably connected with a cover plate (301a), and the bottom of the hopper (301) is fixedly connected with an expansion joint (301b), the outer walls of the two sides of the hopper (301) are fixedly connected with L-shaped brackets (301c), and the horizontal supporting arms of the L-shaped brackets (301c) are fixedly connected to the top of the distillation kettle (1).

8. A device for recovering crude germanium tetrachloride from germanium distillation residues according to claim 1, characterized in that, The outer wall of one side of the hopper (301) is fixedly connected with a second driving motor (306) through a second motor bracket (306a), and the output shaft of the second driving motor (306) and the rear end of the driving rod (305) are sleeved with third synchronous wheels (306b), and the third synchronous wheels (306b) are drivingly connected through a second synchronous belt (306c).

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