CN217663953U - Centrifugal machine for removing fixed residues in iodine-containing waste liquid - Google Patents

Abstract

The utility model relates to a centrifuge for getting rid of fixed residue in iodine-containing waste liquid, the on-line screen storage device comprises a base, be equipped with the centrifugation outer container on it, a waste liquid section of thick bamboo and residue frame, centrifugation outer container top is equipped with first motor and communicates there is the feeder hopper, the output shaft of first motor has linked firmly first hydro-cylinder up, first hydro-cylinder piston rod has linked firmly the roof up, the bottom surface of roof tail end is equipped with the pillar, the rigid coupling has a plurality of filter screens on the pillar, one side bottom intercommunication of centrifugation outer container has the fluid-discharge tube, the window is seted up to the front end and the sealing door that can open and shut is connected with, the rear end outer wall is equipped with the second motor, second motor output shaft stretches into the centrifugation outer container forward and has linked firmly vertical extension board, vertical extension board front side is equipped with a plurality of second hydro-cylinders, second hydro-cylinder piston rod has linked firmly same horizontal extension board forward, be equipped with the third motor on the horizontal extension board, third motor output shaft has linked firmly a centrifugation section of thick bamboo up. The utility model discloses can carry out multistage filtration earlier, move outward and upset centrifuge tube after the centrifugation to the residue is fallen in the clearance, it is more practical.

Description

Centrifugal machine for removing fixed residues in iodine-containing waste liquid

Technical Field

The utility model belongs to the technical field of the iodine-containing waste liquid treatment, concretely relates to a centrifuge for getting rid of fixed residue in iodine-containing waste liquid.

Background

Iodine is an important resource and has wide application in medicine, agriculture, dyes, metallurgy, synthetic rubber, national defense and advanced technologies. Therefore, it is important to improve the iodine utilization. At present, a large amount of iodine elements are still dissolved in some industrial waste liquid, and the method has great recycling value. Therefore, enterprises generally adopt certain treatment measures such as distillation extraction, centrifugal separation and the like to purify and recycle iodine components in the iodine-containing waste liquid. Wherein, the centrifugal separation is a treatment process for removing fixed residues in the iodine-containing waste liquid by using corresponding centrifugal equipment. However, when the residues are more, the centrifugal separation is directly carried out, so that the burden of the centrifugal equipment is heavier, the centrifugal effect is reduced, and the conventional centrifugal equipment is inconvenient to clean the residues retained in the centrifugal cylinder after the centrifugation is finished, is often cleaned outwards little by little manually, is low in efficiency, wastes time and labor, is not beneficial to the centrifugal separation of subsequent waste liquid, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims to provide a centrifuge for getting rid of fixed residue in iodine-containing waste liquid can carry out multistage prefilter before centrifugation, effectively alleviate the burden when centrifugation to can make whole centrifuge bowl automatic move outward and the upset after the centrifugation, thereby can clear up the residue fast, in order to solve above-mentioned problem.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a centrifugal machine for removing fixed residues in iodine-containing waste liquid comprises a base, wherein a centrifugal outer box, a waste liquid barrel and a residue frame are arranged on the base, a first motor is arranged at the top of the centrifugal outer box and communicated with a feed hopper, an output shaft of the first motor faces upwards and is fixedly connected with a first oil cylinder, a piston rod of the first oil cylinder faces upwards and is fixedly connected with a top plate, a support column is vertically arranged on the bottom surface of the tail end of the top plate, a plurality of filter screens are fixedly sleeved on the support column, the mesh diameters of the filter screens are gradually decreased from top to bottom, and when the support column extends into the feed hopper, each filter screen can be abutted against the inner wall of the feed hopper; the bottom of one side of the centrifugal outer box is communicated with a liquid discharge pipe with a liquid discharge valve, and the waste liquid cylinder is positioned below one side of the tail end of the liquid discharge pipe and the top of the waste liquid cylinder is open; the front end of the centrifugal outer box is provided with a window, the window can be connected with a sealing door in an opening and closing manner, and the residue frame is positioned below the side where the sealing door is positioned and the top of the residue frame is open; the centrifugal machine is characterized in that a second motor is arranged on the outer wall of the rear end of the centrifugal outer box, an output shaft of the second motor extends forwards into the centrifugal outer box and is fixedly connected with a vertical support plate, a plurality of second oil cylinders are uniformly distributed on the front side of the vertical support plate, a piston rod of each second oil cylinder is forwards and fixedly connected with the same horizontal support plate, a third motor is arranged on the top of the horizontal support plate, an output shaft of the third motor faces upwards and is coaxially and fixedly connected with a centrifugal cylinder, the top of the centrifugal cylinder is open, a plurality of through holes are uniformly distributed in the side portion of the centrifugal cylinder, and the horizontal support plate and the centrifugal cylinder can move forwards to the outside of the centrifugal outer box through windows.

Preferably, all vertically be equipped with the support on the base of residue frame left and right sides, all be about interval distribution has a plurality of third hydro-cylinders on the support, the piston rod of the third hydro-cylinder on two supports sets up relatively and the same board of hitting of the piston rod fixedly connected with of the third hydro-cylinder on the same support, and the piston rod of the third hydro-cylinder on the same support is synchronous flexible, and the piston rod of the third hydro-cylinder on two supports is flexible in turn.

Preferably, the inner bottom of the centrifugal outer box is inclined downwards towards the side where the liquid discharge pipe is located, the tail end of the liquid discharge pipe is inclined downwards towards the side far away from the centrifugal outer box, and the inclination angle of the tail end of the liquid discharge pipe is consistent with that of the inner bottom of the centrifugal outer box.

Preferably, the outsides of the first motor, the second motor and the third motor are all provided with a protective box.

Preferably, the bottom of the base is a rectangular array and is evenly distributed with a plurality of supporting legs at intervals, and the bottom end of each supporting leg is fixedly connected with a damping supporting mechanism.

Preferably, the shock absorption supporting mechanism comprises an upper shock absorption supporting plate and a lower shock absorption supporting plate which are arranged oppositely from top to bottom and are made of foamed aluminum materials, the upper shock absorption supporting plate is fixedly connected with the corresponding supporting leg, the peripheral side of the lower shock absorption supporting plate is fixed on the ground through a plurality of chemical bolts, a hydraulic telescopic rod and a shock absorption spring are fixedly connected between the upper shock absorption supporting plate and the lower shock absorption supporting plate, and the shock absorption spring is sleeved on the outer side of the hydraulic telescopic rod.

The utility model has the advantages that: the utility model relates to a rationally, simple structure, during the use, earlier send into the containing iodine waste liquid through the feeder hopper in the centrifuge tube in the centrifugation outer container, the in-process, under the effect of a plurality of apertures degressive filter screen from top to bottom, can realize the preliminary multistage filtration treatment to containing iodine waste liquid, can effectively detach the great fixed residue of volume in the waste liquid, prepare for follow-up centrifugal separation to work burden when effectively lightening centrifugal separation more is favorable to improving centrifugal separation's efficiency and quality. After the feeding is finished, the third motor is operated, the centrifugal cylinder can be driven to rotate by utilizing the power provided by the third motor, so that the centrifugal separation treatment of the iodine-containing waste liquid is realized in a matching manner, the fixed residues in the waste liquid can be effectively intercepted in the centrifugal cylinder, and the waste liquid enters the centrifugal outer box through the through hole in the centrifugal cylinder and is collected to the inner bottom of the centrifugal outer box. Then, opening a liquid discharge valve, and discharging the separated waste liquid into a waste liquid cylinder through a liquid discharge pipe;

after the centrifugation is accomplished, alright clear away the filter screen with the residue in the centrifuge tube, the operation when clearing away the residue on the filter screen specifically is: the first oil cylinder is operated firstly, so that a piston rod of the first oil cylinder extends to drive the top plate and the support to integrally move upwards, and then the filter screen can be integrally taken out of the feed hopper. Then, the first motor of operation drives first hydro-cylinder and the whole certain angle that rotates of roof, makes filter screen and feeder hopper stagger, alright clear up the residue on the filter screen, and easy operation is convenient, labour saving and time saving can effectively avoid the jam of filter screen, guarantees its filter effect. The operation of clearing the residue in the centrifugal cylinder is as follows: and opening the sealing door, operating the second oil cylinder to extend the piston rod of the second oil cylinder, pushing the transverse support plate and the centrifugal cylinder on the transverse support plate to move forwards until the transverse support plate and the centrifugal cylinder are all moved out of the centrifugal outer box and are placed above the residue frame. Then, the operation second motor drives vertical extension board and wholly rotates 180 degrees, alright overturn downwards with centrifuge bowl's open end to can make the residue in the centrifuge bowl automatically empty fast in the residue frame in the upset in-process, the bulk operation is simple convenient more, labour saving and time saving, need not artifical manual clearance, greatly reduced workman's intensity of labour and the operation degree of difficulty, and efficiency is higher, more is favorable to handling the follow-up centrifugation of iodine-containing waste liquid.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

fig. 3 is a schematic diagram of a right-side sectional structure of the present invention;

FIG. 4 is a schematic view of a right-side cross-sectional structure of the centrifuge outer casing after the centrifuge tube is moved outward and turned over;

FIG. 5 is a schematic view of the top of the centrifugal outer box of the present invention;

FIG. 6 is a schematic top view of the vertical and horizontal support plates of the present invention;

fig. 7 is a schematic front view of the shock-absorbing support mechanism of the present invention.

Reference numbers in the figures: the device comprises a base 1, a centrifugal outer box 2, a waste liquid barrel 3, a residue frame 4, a first motor 5, a feed hopper 6, a first oil cylinder 7, a top plate 8, a support 9, a filter screen 10, a liquid discharge valve 11, a liquid discharge pipe 12, a sealing door 13, a second motor 14, a vertical support plate 15, a second oil cylinder 16, a transverse support plate 17, a third motor 18, a centrifugal barrel 19, a through hole 20, a support 21, a third oil cylinder 22, a striking plate 23, a protective box 24, a support leg 25, a damping support mechanism 26, an upper damping support plate 2601, a lower damping support plate 2602, a hydraulic telescopic rod 2603, a damping spring 2604 and a chemical bolt 27.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 to 7, a centrifuge for removing fixed residues in iodine-containing waste liquid comprises a base 1, wherein a centrifuge outer box 2, a waste liquid cylinder 3 and a residue frame 4 are arranged on the base 1. Be equipped with first motor 5 and the intercommunication has feeder hopper 6 on the top of centrifugal outer container 2, the output shaft of first motor 5 up and the first hydro-cylinder 7 of fixedly connected with, the piston rod of first hydro-cylinder 7 up and fixedly connected with roof 8, the vertical pillar 9 that is equipped with on the bottom surface of 8 tail ends of roof, the fixed cover of being connected with a plurality of filter screens 10 on the pillar 9. The diameter of the meshes of the filter screens 10 decreases progressively from top to bottom, and when the support 9 extends into the feed hopper 6, each filter screen 10 can abut against the inner wall of the feed hopper 6. The bottom of one side of the centrifugal outer box 2 is communicated with a liquid discharge pipe 12 with a liquid discharge valve 11, and the waste liquid cylinder 3 is positioned below one side of the tail end of the liquid discharge pipe 12 and the top of the waste liquid cylinder is open. The front end of the centrifugal outer box 2 is provided with a window, the window can be connected with a sealing door 13 in an opening and closing way, and the residue frame 4 is positioned below the side of the sealing door 13 and the top of the residue frame is open. And a second motor 14 is arranged on the outer wall of the rear end of the centrifugal outer box 2, and an output shaft of the second motor 14 extends forwards into the centrifugal outer box 2 and is fixedly connected with a vertical support plate 15. A plurality of second oil cylinders 16 are uniformly distributed on the front side of the vertical support plate 15, piston rods of the second oil cylinders 16 face forwards and are fixedly connected with the same transverse support plate 17, a third motor 18 is arranged on the top of the transverse support plate 17, and an output shaft of the third motor 18 faces upwards and is coaxially and fixedly connected with a centrifugal cylinder 19. The top of the centrifugal cylinder 19 is open, a plurality of through holes 20 are uniformly distributed on the side part of the centrifugal cylinder 19, and the transverse support plate 17 and the centrifugal cylinder 19 can move forwards to the outside of the centrifugal outer box 2 through the window;

during the use, earlier send the iodine-containing waste liquid into centrifuge tube 19 in the centrifugation outer container 2 through feeder hopper 6, in-process, under the effect of a plurality of apertures degressive filter screen 10 from top to bottom, can realize the preliminary multistage filtration processing to the iodine-containing waste liquid, can effectively detach the great fixed residue of volume in the waste liquid, prepare for follow-up centrifugal separation to work burden when effectively lightening centrifugal separation more is favorable to improving centrifugal separation's efficiency and quality. After the feeding is finished, the third motor 18 is operated, the centrifugal cylinder 19 can be driven to rotate by utilizing the power provided by the third motor 18, so that the centrifugal separation treatment of the iodine-containing waste liquid is realized in a matching manner, the fixed residues in the waste liquid can be effectively intercepted in the centrifugal cylinder 19, and the waste liquid enters the centrifugal outer box 2 through the through hole 20 on the centrifugal cylinder 19 and is collected on the inner bottom of the centrifugal outer box 2. Then, the liquid discharge valve 11 is opened, and the separated waste liquid can be discharged into the waste liquid cylinder 3 through the liquid discharge pipe 12;

after the centrifugation is finished, the residue on the filter screen 10 and in the centrifugal cylinder 19 can be removed, and the operation when the residue on the filter screen 10 is removed is specifically as follows: the first oil cylinder 7 is operated firstly, so that the piston rod of the first oil cylinder is extended to drive the top plate 8 and the support 9 to move upwards integrally, and then the filter screen 10 can be taken out of the feed hopper 6 integrally. Then, the first motor 5 of operation drives first hydro- cylinder 7 and 8 whole certain angles of rotating of roof, makes filter screen 10 stagger with feeder hopper 6, alright clear up the residue on the filter screen 10, and easy operation is convenient, labour saving and time saving can effectively avoid the jam of filter screen 10, guarantees its filter effect. The operation of removing the residue in the centrifugal cylinder 19 specifically comprises the following steps: the sealing door 13 is opened, then the second oil cylinder 16 is operated to extend the piston rod thereof, and the transverse support plate 17 and the centrifugal cylinder 19 thereon are pushed to move forwards integrally until the transverse support plate 17 and the centrifugal cylinder 19 are all moved out of the centrifugal outer box 2 through the window and are placed above the residue frame 4. Then, operation second motor 14 drives vertical extension board 15 and wholly rotates 180 degrees, alright with centrifuge bowl 19 the whole upset of opening end down to can make the residue in centrifuge bowl 19 empty in residue frame 4 automatically fast in the upset in-process, overall operation is simple more convenient, labour saving and time saving, need not artifical manual clearance, greatly reduced workman's intensity of labour and operation degree of difficulty, and efficiency is higher, more is favorable to handling the follow-up centrifugation of iodine-containing waste liquid. The specific manner and structure of the openable and closable connection of the sealing door 13 can be realized by adopting the prior art. The first motor 5 and the second motor 14 are all conventional stepping motors with self-locking function, so that the rotation at a specific angle is realized in a matching manner, and the filtering separation and centrifugal separation operation are not influenced.

In this embodiment, all vertically be equipped with support 21 on the base 1 of the left and right sides of residue frame 4, all be up-down interval distribution on the support 21 and have a plurality of third hydro-cylinders 22, the relative setting of piston rod of the third hydro-cylinder 22 on two supports 21 and the same board 23 of hitting of piston rod fixedly connected with of the third hydro-cylinder 22 on the same support 21. The piston rod of the third oil cylinder 22 on the same support 21 stretches out and draws back synchronously, the piston rod of the third oil cylinder 22 on the two supports 21 stretches out and draws back in turn, make after the centrifuge tube 19 overturns down, the piston rod of the third oil cylinder 22 on the two supports 21 stretches out and draws back in turn to drive two beating plates 23 to beat in turn the left and right sides of the centrifuge tube 19, can further effectively beat the residue of adhesion on the inner wall of the centrifuge tube 19, make the clearance to the residue in the centrifuge tube 19 more complete, avoid the residue to remain, be more favorable to the subsequent centrifugal treatment to the iodine-containing waste liquid.

In this embodiment, the interior bottom of centrifugation outer container 2 sets up towards the side decline of fluid-discharge tube 12 place side, and the tail end of fluid-discharge tube 12 is kept unanimous towards the one side downward sloping setting of keeping away from centrifugation outer container 2 and the inclination of its inclination and the interior bottom of centrifugation outer container 2 for the waste liquid of separating during centrifugation can collect fluid-discharge tube 12 department automatically, and through fluid-discharge tube 12 quick discharge, more can guarantee to arrange that the material is smooth and easy, accelerates flowing back speed, makes the flowing back complete.

In this embodiment, the first motor 5, the second motor 14 and the third motor 18 are all provided with a protective box 24 outside to effectively protect the corresponding motors and prolong the service life of the corresponding motors.

In this embodiment, base 1's bottom is the rectangle array interval equipartition and has a plurality of landing legs 25, the equal fixedly connected with shock attenuation supporting mechanism 26 in bottom of every landing leg 25, make when using, both accessible landing leg 25 and corresponding shock attenuation supporting mechanism 26 effectively support and fix whole equipment, can play good buffering shock attenuation effect through shock attenuation supporting mechanism 26 again, can improve the stationarity of equipment centrifugal operation greatly, more can guarantee centrifugal separation's efficiency and quality, and reduce the adverse effect to the surrounding environment when equipment moves, make equipment environmental protection more practical.

In this embodiment, the damping support mechanism 26 includes the upper damping strut 2601 and the lower damping strut 2602 that are relative setting from top to bottom and are made by foamed aluminum material, the upper damping strut 2601 and the landing leg 25 fixed connection that corresponds, the week side of lower damping strut 2602 is fixed on ground through a plurality of chemical bolts 27, fixedly connected with fluid pressure type telescopic link 2603 and damping spring 2604 between upper damping strut 2601 and the lower damping strut 2602, damping spring 2604 cover is established in the outside of fluid pressure type telescopic link 2603, make when using, the upper damping strut 2601 that the accessible was made by foamed aluminum that has good shock attenuation shock resistance, lower damping strut 2602 and fluid pressure type telescopic link 2603 and damping spring 2604 between them set up the cooperation and play good buffering shock attenuation effect, thereby effectively guarantee the stationarity of equipment during centrifugal operation, and reduce the adverse effect to the surrounding environment when equipment moves, make equipment more environmental protection and practical. In addition, usable chemical bolt 27 will be down shock attenuation extension board 2602 and ground fixed connection, can further strengthen the spacing steadiness of equipment, and especially chemical bolt 27 has advantages such as anchor power is strong, no expansion stress, installation are swift, the engineering time is short, and it still has good acid and alkali-resistance, low temperature resistant, ageing-resistant, heat-resisting, water stain resistant fire-retardant, performance such as antidetonation, more can guarantee to fixed long-term stability and the validity of whole equipment.

The utility model discloses a theory of operation: during the use, earlier send the iodine-containing waste liquid into the centrifuge tube 19 in the centrifugation outer container 2 through feeder hopper 6, in-process, under the effect of a plurality of apertures degressive filter screen 10 from top to bottom, can realize preliminary multistage filtration processing to the iodine-containing waste liquid, can effectively detach the great fixed residue of volume in the waste liquid, prepare for follow-up centrifugal separation to the work burden when effectively lightening centrifugal separation more is favorable to improving centrifugal separation's efficiency and quality. After the feeding is finished, the third motor 18 is operated, the centrifugal cylinder 19 can be driven to rotate by utilizing the power provided by the third motor 18, so that the centrifugal separation treatment of the iodine-containing waste liquid is realized in a matching manner, the fixed residues in the waste liquid can be effectively intercepted in the centrifugal cylinder 19, and the waste liquid enters the centrifugal outer box 2 through the through hole 20 on the centrifugal cylinder 19 and is collected on the inner bottom of the centrifugal outer box 2. Then, the liquid discharge valve 11 is opened, and the separated waste liquid can be discharged into the waste liquid cylinder 3 through the liquid discharge pipe 12;

after the centrifugation is accomplished, alright clear away the filter screen 10 and the residue in the centrifuge tube 19, the operation when clearing away the residue on the filter screen 10 specifically is: the first oil cylinder 7 is operated firstly, so that the piston rod of the first oil cylinder is extended to drive the top plate 8 and the support 9 to move upwards integrally, and then the filter screen 10 can be taken out of the feed hopper 6 integrally. Then, the first motor 5 of operation drives first hydro- cylinder 7 and 8 whole certain angles of rotating of roof, makes filter screen 10 stagger with feeder hopper 6, alright clear up the residue on the filter screen 10, and easy operation is convenient, labour saving and time saving can effectively avoid the jam of filter screen 10, guarantees its filter effect. The operation of removing the residue in the centrifugal cylinder 19 specifically comprises the following steps: the sealing door 13 is opened, then the second oil cylinder 16 is operated to extend the piston rod thereof, and the transverse support plate 17 and the centrifugal cylinder 19 thereon are pushed to move forwards integrally until the transverse support plate 17 and the centrifugal cylinder 19 are all moved out of the centrifugal outer box 2 through the window and are placed above the residue frame 4. Then, operation second motor 14 drives vertical extension board 15 and wholly rotates 180 degrees, alright with the whole upset of the opening end of centrifuge bowl 19 down to can make the residue in centrifuge bowl 19 empty in residue frame 4 automatically fast in the upset process, the bulk operation is simple more convenient, labour saving and time saving, need not artifical manual clearance, greatly reduced workman's intensity of labour and the degree of difficulty of operation, and efficiency is higher, more is favorable to handling the follow-up centrifugation of iodine-containing waste liquid.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (6)

1. The centrifugal machine for removing the fixed residues in the iodine-containing waste liquid comprises a base and is characterized in that a centrifugal outer box, a waste liquid cylinder and a residue frame are arranged on the base, a first motor is arranged on the top of the centrifugal outer box and communicated with a feed hopper, an output shaft of the first motor faces upwards and is fixedly connected with a first oil cylinder, a piston rod of the first oil cylinder faces upwards and is fixedly connected with a top plate, a support pillar is vertically arranged on the bottom surface of the tail end of the top plate, a plurality of filter screens are fixedly sleeved on the support pillar, the mesh diameters of the filter screens are gradually decreased from top to bottom, and when the support pillar extends into the feed hopper, each filter screen can be abutted against the inner wall of the feed hopper; the bottom of one side of the centrifugal outer box is communicated with a liquid discharge pipe with a liquid discharge valve, and the waste liquid cylinder is positioned below one side of the tail end of the liquid discharge pipe and the top of the waste liquid cylinder is open; a window is arranged at the front end of the centrifugal outer box and can be connected with a sealing door in an opening and closing manner, and the residue frame is positioned below the side where the sealing door is positioned and the top of the residue frame is open; the centrifugal machine is characterized in that a second motor is arranged on the outer wall of the rear end of the centrifugal outer box, an output shaft of the second motor extends forwards into the centrifugal outer box and is fixedly connected with a vertical support plate, a plurality of second oil cylinders are uniformly distributed on the front side of the vertical support plate, piston rods of the second oil cylinders are forwards and are fixedly connected with the same horizontal support plate, a third motor is arranged on the top of the horizontal support plate, an output shaft of the third motor faces upwards and is coaxially and fixedly connected with a centrifugal cylinder, the top of the centrifugal cylinder is open, a plurality of through holes are uniformly distributed in the side of the centrifugal cylinder, and the horizontal support plate and the centrifugal cylinder can move forwards to the outside of the centrifugal outer box through windows.

2. The centrifuge for removing the fixed residues in the iodine-containing waste liquid according to claim 1, wherein the bases on the left and right sides of the residue frame are vertically provided with supports, a plurality of third oil cylinders are vertically distributed on the supports at intervals, piston rods of the third oil cylinders on the two supports are oppositely arranged, piston rods of the third oil cylinders on the same support are fixedly connected with the same striking plate, the piston rods of the third oil cylinders on the same support synchronously stretch, and the piston rods of the third oil cylinders on the two supports alternately stretch.

3. The centrifuge for removing fixed residues in iodine-containing waste liquid according to claim 1, wherein the inner bottom of the outer centrifuge box is inclined downwards towards the side where the drain pipe is located, the tail end of the drain pipe is inclined downwards towards the side away from the outer centrifuge box, and the inclination angle of the tail end of the drain pipe is consistent with that of the inner bottom of the outer centrifuge box.

4. The centrifuge for removing the fixed residues in the iodine-containing waste liquid according to claim 1, wherein a protective box is arranged outside each of the first motor, the second motor and the third motor.

5. The centrifuge for removing the fixed residues in the iodine-containing waste liquid as claimed in claim 1, wherein a plurality of support legs are uniformly distributed at intervals on the bottom of the base in a rectangular array, and a damping support mechanism is fixedly connected to the bottom end of each support leg.

6. The centrifuge for removing the fixed residues in the iodine-containing waste liquid according to claim 5, wherein the shock absorption support mechanism comprises an upper shock absorption support plate and a lower shock absorption support plate which are arranged oppositely up and down and are made of foamed aluminum materials, the upper shock absorption support plate is fixedly connected with the corresponding support leg, the periphery of the lower shock absorption support plate is fixed on the ground through a plurality of chemical bolts, a hydraulic telescopic rod and a shock absorption spring are fixedly connected between the upper shock absorption support plate and the lower shock absorption support plate, and the shock absorption spring is sleeved outside the hydraulic telescopic rod.

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