Closed explosion-proof centrifugal machine

Abstract

The invention relates to the field of centrifugal separation equipment, in particular to a closed anti-explosion centrifugal machine which comprises a rack, a rotary drum, a spiral pusher, a feeding pipe and a sealing assembly, the rack comprises a base and a housing, the housing is connected to the base and provided with a mounting cavity, the rotary drum is rotationally embedded in the mounting cavity, the rotating axis of the rotary drum is horizontal, and the rotary drum is provided with a containing cavity; the spiral pusher is rotationally embedded in the containing cavity, the rotating axis of the spiral pusher coincides with the rotating axis of the rotary drum, the spiral pusher is provided with a feeding cavity, a discharging port is formed in the cavity wall of the feeding cavity, the feeding pipe is rotationally connected to the rotary drum, the rotating axis of the feeding pipe coincides with the rotating axis of the rotary drum, one end of the feeding pipe extends into the feeding cavity, and the other end of the feeding pipe extends into the discharging port. The sealing assembly is connected between the rotary drum and the housing. According to the centrifugal machine, the sealing assembly is arranged between the housing and the rotary drum, leakage of solid, liquid and gaseous substances in the mounting cavity through the joint of the housing and the rotary drum is reduced, the sealing performance of the rotary drum and the housing assembly is improved, and the safety of the centrifugal machine is improved.

Description

Technical Field

[0001] The present application relates to the technical field of centrifugal separation equipment, and in particular to a closed explosion-proof centrifuge. Background Art

[0002] The existing horizontal spiral unloading sedimentation centrifuge uses the density difference between two immiscible materials to achieve the separation of two materials, such as solid and liquid, by the centrifugal force generated by the high-speed rotation of the materials. Its drum components are mainly composed of a high-speed drum, a spiral with the same rotation direction as the drum and a slightly higher or lower rotation speed than the drum, a differential and a feed pipe. When the mixture enters the drum through the feed pipe, the high-speed rotating drum generates a huge centrifugal force, which settles the heavy solid phase with high density in the mixture to the inner wall of the drum. Due to the different rotation speeds of the spiral and the drum, there is a relative movement between the two (i.e., the speed difference). The relative movement of the spiral and the drum is used to push the solid phase deposited on the inner wall of the drum to the drum slag outlet for discharge, and the clear liquid after the solid phase is separated is discharged from the liquid outlet at the other end of the centrifuge, thereby achieving the separation of heavy matter and liquid. However, the existing horizontal spiral sedimentation centrifuge cannot be isolated from the air inside, and cannot be applied to the separation of flammable and explosive materials. Summary of the invention

[0003] In order to improve the sealing performance of the centrifuge and ensure the safety of the centrifuge, the present application provides a closed explosion-proof centrifuge.

[0004] The enclosed explosion-proof centrifuge provided in this application adopts the following technical solution: A closed explosion-proof centrifuge comprises a frame, a drum, a screw pusher, a feed pipe and a sealing assembly, wherein the frame comprises a base and a cover shell, the cover shell is connected to the base, the cover shell is provided with a mounting cavity, the drum is rotatably embedded in the mounting cavity, the rotation axis of the drum is horizontal, the drum is provided with a receiving cavity, the screw pusher is rotatably embedded in the receiving cavity, the rotation axis of the screw pusher coincides with the rotation axis of the drum, the screw pusher is provided with a feed cavity, a discharge port is provided at the cavity wall of the feed cavity, the discharge port is communicated with the receiving cavity, the feed pipe is rotatably connected to the drum, the rotation axis of the feed pipe coincides with the rotation axis of the drum, one end of the feed pipe extends into the feed cavity, and the sealing assembly is connected between the drum and the cover shell.

[0005] By adopting the above technical solution, a sealing assembly is arranged between the cover shell and the drum, which reduces the leakage of solid, liquid and gaseous substances in the installation cavity through the connection between the cover shell and the drum, improves the sealing performance of the drum and cover shell assembly, and improves the safety of the centrifuge.

[0006] Preferably, the sealing assembly includes a sleeve, a sealing ring, a third reset member, a third abutting ring, a pushing block and a fourth reset member, the sleeve is coaxially connected to the outer periphery of the drum, a plurality of grooves are provided on the inner side of the sleeve, the plurality of grooves are spaced apart along the axis of the sleeve, the number of the sealing rings is the same as the number of the grooves and corresponds one to one, the sealing ring is embedded in the groove, the inner wall of the sealing ring abuts against the outer wall of the drum, the cover shell is provided with a rotating groove, the sleeve is coaxially rotated and embedded in the rotating groove, a third annular groove is provided on one side surface of the sleeve along the rotation axis of the sleeve, the third abutting ring is slidably embedded in the third annular groove, and the sliding direction of the third abutting ring is parallel to the sleeve The third locking ring is used to lock the rotating shaft axis of the cylinder, and the third locking ring is used to lock the rotating groove wall. The third reset member is connected between the third locking ring and the sleeve. The third reset member makes the third locking ring have a tendency to embed into the third ring groove. The third ring groove is close to the side groove wall of the rotating drum. A connecting groove is provided. The pushing block is slidably embedded in the connecting groove. The sliding direction of the pushing block is perpendicular to the rotating shaft axis of the sleeve. The end of the pushing block away from the rotating shaft axis of the sleeve is provided with a third chamfer, and the third chamfer is used for the third locking ring to abut. The fourth reset member is connected between the pushing block and the sleeve. The fourth reset member makes the pushing block have a tendency to move away from the third locking ring.

[0007] By adopting the above technical solution, the sleeve is connected to the outer periphery of the drum, and the sleeve is embedded in the rotating groove, which prolongs the path that the material in the installation cavity needs to pass through to leak from the connection between the drum and the cover shell, so that a labyrinth seal is formed between the drum and the cover shell, and a groove is provided on the inner wall of the sleeve, and the sealing ring is embedded in the groove. The inner wall of the sealing ring presses against the outer wall of the drum, thereby improving the sealing performance between the drum and the sleeve. When the drum rotates, the sleeve is driven to rotate, and the push block overcomes the elastic force of the fourth reset member and moves outward under the action of centrifugal force. The third chamfer presses against the third pressing ring, and pushes the third pressing ring to overcome the elastic force of the third reset member and slide out of the third ring groove, so that the third pressing ring presses against the wall of the rotating groove, thereby improving the sealing performance between the sleeve and the wall of the rotating groove, thereby improving the sealing performance of the centrifuge state, and improving the safety of the centrifuge.

[0008] Preferably, it also includes a clamping assembly, and second annular grooves are coaxially provided at both ends of the spiral pusher, the number of the clamping assemblies is the same as the number of the second annular grooves and corresponds one to one, the clamping assembly includes a first clamping ring, a first reset member, a second clamping ring and a second reset member, the second clamping ring is coaxially slidably embedded in the second annular groove, the second reset member is connected between the second clamping ring and the spiral pusher, the second reset member makes the second clamping ring have a tendency to move away from the bottom of the second annular groove, the accommodating cavity is provided with a first annular groove, the number of the first annular grooves is the same as the number of the second annular grooves and corresponds one to one, the first clamping ring is coaxially slidably embedded in the first annular groove, the first clamping ring is used to clamp the second clamping ring, the first reset member is connected between the first clamping ring and the drum, and the first reset member makes the first clamping ring have a tendency to move away from the bottom of the first annular groove.

[0009] By adopting the above technical scheme, the spiral pusher and the drum rotate relatively, and the connection between the drum and the spiral pusher is prone to wear. When the gap between the two is too large, it is easy for the material in the feeding chamber to flow through the gap and get embedded in the gap, thereby reducing the wear of the drum and the spiral pusher. The first clamping ring is clamped against the second clamping ring under the action of the first reset member, thereby improving the sealing performance between the drum and the spiral pusher and increasing the service life of the spiral pusher and the drum.

[0010] Preferably, the accommodating chamber is connected to protrusions on both side walls along the rotating axis of the drum, and the protrusions are rotatably embedded in the feed chamber. The outer wall of the protrusion is in contact with the wall of the feed chamber, and the outer periphery of one end of the protrusion away from the wall of the accommodating chamber is provided with a first rounded corner, and the first rounded corner is used for abutting the wall of the feed chamber.

[0011] By adopting the above technical solution, a protrusion is provided on the inner wall of the accommodating chamber, and a first rounded corner is provided on one end of the protrusion away from the wall of the accommodating chamber. The first rounded corner is used for abutting against the wall of the feed chamber, which facilitates the installation of the spiral pusher and improves the assembly efficiency of the centrifuge.

[0012] Preferably, it also includes a first drive motor, a second drive motor, a first transmission assembly and a second transmission assembly, the cover shell includes an upper cover, a lower cover and a screw, the lower cover is connected to the base, the upper cover is hinged to the lower cover along a side perpendicular to the rotation axis of the drum, the hinge axes of the upper cover and the lower cover are parallel to the rotation axis of the drum, the upper cover and the lower cover together form an installation cavity, the screw is connected to the upper cover, the axis of the screw coincides with the rotation axis of the upper cover, the frame also includes a sliding seat, the sliding seat is slidably connected to the base, the sliding direction of the sliding seat is parallel to the rotation axis of the drum, the sliding seat is threadedly connected to the screw, two sliding seats are provided, and the two sliding seats are symmetrically distributed along the rotation axis of the drum, the first drive motor and the second drive motor are respectively connected to the two sliding seats, the first drive motor is used to drive the drum to rotate, the first transmission assembly is connected between the first drive motor and the drum, the second drive motor is used to drive the spiral pusher to rotate, and the second transmission assembly is connected between the second drive motor and the spiral pusher.

[0013] By adopting the above technical solution, the upper cover rotates, which drives the screw to rotate, drives the sliding seat to slide, and drives the first drive motor and the second drive motor to slide. When the upper cover is opened, the connection between the first drive motor and the drum, the second drive motor and the spiral pusher is opened, which reduces the possibility of the first drive motor and the second drive motor being driven by mistake when the upper cover is opened, thereby improving the safety of the centrifuge.

[0014] Preferably, the first transmission assembly and the second transmission assembly both include a driving pulley, a driven pulley, a belt body and a driving shaft, the driven pulley is coaxially connected to a rotating drum or a spiral pusher, the driving pulley is rotatably connected to a base, the rotation axis of the driving pulley is parallel to the rotation axis of the driven pulley, the belt body is sleeved on the outer circumference of the driving pulley and the driven pulley, the driving pulley is coaxially provided with a limiting hole, the driving shaft includes a transmission section and a supporting section, one end of the transmission section is coaxially connected to the output shaft of the first driving motor or the second driving motor, one end of the supporting section is coaxially connected to the other end of the transmission section, the transmission section and the support section are both coaxially slidably embedded in the limiting hole, the transmission section is circumferentially fixed to the limiting hole, and the support section is coaxially rotatably embedded in the limiting hole.

[0015] By adopting the above technical solution, the transmission section and the support section are slidably embedded in the limit block, so that the first drive motor and the second drive motor drive the active pulley to rotate, and then the rotation of the drum and the spiral pusher is realized, thereby reducing the possibility of wear of the output shafts of the first drive motor and the second drive motor when the first drive motor and the second drive motor slide, thereby increasing the service life of the first drive motor and the second drive motor and reducing the production cost.

[0016] Preferably, a first chamfer is provided on a hole wall of the limiting hole away from one end of the cover shell, and the first chamfer is used for abutment of one end of the transmission section close to the support section.

[0017] By adopting the above technical solution, the first chamfer is used to abut the transmission section, guide the transmission section, and facilitate the transmission section to be embedded in the limiting hole, thereby realizing the circumferential fixation of the drive shaft and the active pulley.

[0018] Preferably, the frame also includes a locking assembly, the number of the locking assemblies is the same as the number of sliding seats and corresponds one to one, the locking assembly includes a fixed seat, a locking seat and a fifth reset member, the fixed seat is connected to the sliding seat, the locking seat is slidably connected to the fixed seat, the sliding direction of the locking seat is parallel to the sliding direction of the sliding seat, the fifth reset member is connected between the fixed seat and the locking seat, and the fifth reset member makes the locking seat have a tendency to move away from the fixed seat, the upper cover is connected to the outer wall of the upper cover, the lower cover is connected to the outer wall of the lower cover, the locking seat is close to the side of the cover shell The locking groove is used for the upper limit ring and the lower limit ring to be embedded, and the locking seat is provided with a second chamfer at one end close to the cover shell, the second chamfer is located at the upper end of the locking seat, and the second chamfer is used for the upper limit ring to abut.

[0019] By adopting the above technical solution and arranging a locking seat, an upper limit ring and a lower limit ring are embedded in the locking groove, thereby improving the stability of the connection between the upper cover and the lower cover, reducing the possibility of the upper cover being opened when the centrifuge is working, causing the material in the installation cavity to fly out and cause injuries to the staff, and improving the safety of the centrifuge.

[0020] Preferably, the locking assembly further includes a turntable, a slider, a sixth reset piece, a limit block and a seventh reset piece, the turntable being coaxially connected to the drum, the slider being slidably connected to the turntable, the sliding direction of the slider being perpendicular to the rotation axis of the turntable, the slider being provided with a plurality of sliders, the plurality of sliders being evenly distributed around the rotation axis of the turntable, the number of the sixth reset piece being the same as the number of sliders and corresponding one to one, the sixth reset piece being connected between the slider and the turntable, the sixth reset piece causing the slider to have a tendency to approach the rotation axis of the turntable, the limit block being slidably connected to the fixed seat, the sliding direction of the limit block being perpendicular to the sliding direction of the locking seat, the locking seat being provided with a limit groove, the limit groove being used for the limit block to be embedded, the seventh reset piece being connected between the limit block and the fixed seat, and the seventh reset piece causing the limit block to have a tendency to move away from the locking seat.

[0021] By adopting the above technical solution, when the drum rotates, the turntable is driven to rotate, and the slider slides in the direction away from the drum under the action of centrifugal force, slidingly abuts the limit block, pushing the limit block to slide and embed into the limit groove, thereby realizing relative fixation of the locking seat and the fixing seat, thereby improving the safety of the centrifuge.

[0022] Preferably, it also includes a material receiving trolley, the frame also includes a baffle and a limit assembly, a slag discharge port is provided at the lower cavity wall of the installation cavity, the slag discharge port is communicated with the outside, the material receiving trolley is slidably connected to the base, the sliding direction of the material receiving trolley is horizontal, one end of the baffle is hinged to the cover shell and covers the slag discharge port, the hinge axis of the baffle and the cover shell is perpendicular to the sliding direction of the material receiving trolley, the limit assembly includes a clamping block and an eighth reset member, the clamping block includes an embedded section, a connecting section and an abutting section, the connecting section is rotatably connected to the cover shell, and the connecting section The rotation axis is vertical, one end of the embedded section is connected to one end of the connecting section away from the hinge axis of the baffle and the cover shell, the other end of the embedded section is located on the side of the connecting section close to the baffle, the side wall of the baffle is provided with an embedding groove, the embedding groove is used for the embedding of the embedded section, one end of the abutting section is connected to one end of the connecting section away from the embedded section, the other end of the abutting section is located on the side of the connecting section away from the baffle, the abutting section is used for the material receiving trolley to abut, the eighth reset member is connected between the cover shell and the connecting section, and the embedded section at the upper end of the eighth reset member has a tendency to be embedded in the embedding groove.

[0023] By adopting the above technical solution, when the receiving trolley slides, it abuts against the abutting section, drives the abutting section to rotate, drives the connecting section to rotate, drives the embedded section to rotate and disengage from the embedded groove, and the baffle rotates downward under the action of gravity, so that after the receiving trolley is pushed to the specified position, the baffle automatically opens, and the solid material in the installation cavity is extended into the receiving trolley from the slag discharge port, thereby improving the convenience of the centrifuge.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: 1. A sealing assembly is provided between the cover and the drum to reduce the leakage of solid, liquid and gaseous substances in the installation cavity through the connection between the cover and the drum, improve the sealing performance of the drum and cover assembly, and improve the safety of the centrifuge; 2. The sleeve is connected to the outer periphery of the drum, and the sleeve is embedded in the rotating groove, extending the path that the material in the installation cavity needs to pass through from the connection between the drum and the cover to leak, so that a labyrinth seal is formed between the drum and the cover. A groove is provided on the inner wall of the sleeve, and the sealing ring is embedded in the groove. The inner wall of the sealing ring is pressed against the outer wall of the drum, thereby improving the sealing performance between the drum and the sleeve. When the drum rotates, the sleeve is driven to rotate, and the push block overcomes the elastic force of the fourth reset member and moves outward under the action of centrifugal force. The third chamfer abuts against the third abutting ring, pushing the third abutting ring to overcome the elastic force of the third reset member and slide out of the third ring groove, so that the third abutting ring abuts against the wall of the rotating groove, thereby improving the sealing performance between the sleeve and the wall of the rotating groove, thereby improving the sealing performance of the centrifuge state, and improving the safety of the centrifuge; 3. The upper cover rotates to drive the screw to rotate, drive the sliding seat to slide, and drive the first drive motor and the second drive motor to slide. When the upper cover is opened, the connection between the first drive motor and the drum and the second drive motor and the spiral pusher is opened, which reduces the possibility of the first drive motor and the second drive motor being driven by mistake when the upper cover is opened, causing damage to the staff, thereby improving the safety of the centrifuge. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural diagram of a closed explosion-proof centrifuge, mainly showing the state of the upper cover being opened.

[0026] Figure 2 It is a partial cross-sectional view of a closed explosion-proof centrifuge.

[0027] Figure 3 It is a cross-sectional view of a closed explosion-proof centrifuge.

[0028] Figure 4 It is a partial cross-sectional view of a closed explosion-proof centrifuge, mainly showing the locking components.

[0029] Figure 5 yes Figure 3 Enlarged view of point A in the middle.

[0030] Figure 6 It is a structural diagram of a closed explosion-proof centrifuge.

[0031] Figure 7 It is a partial cross-sectional view of a closed explosion-proof centrifuge, mainly showing the discharge hopper and the receiving trolley.

[0032] Figure 8 yes Figure 1 Enlarged view of point B in the middle.

[0033] Description of reference numerals: 1. Frame; 11. Base; 111. Placement slot; 112. Third slide slot; 113. Support seat; 12. Cover shell; 121. Installation cavity; 122. Rotation slot; 123. Upper cover; 1231. Upper limit ring; 124. Lower cover; 1241. Lower limit ring; 125. Screw; 126. Slag discharge port; 127. First through hole; 13. Sliding seat; 14. Discharging hopper; 141. Accommodating slot; 142. First connecting slot; 143. Second connecting slot; 15. Locking assembly; 151. Fixed seat; 1511. First slide slot; 1512. Third connecting slot; 1513. Guide slot; 152. Locking seat; 1521, locking groove; 1522, second chamfer; 1523, limiting groove; 153, fifth reset member; 154, rotating disk; 1541, second slide groove; 155, slider; 156, sixth reset member; 157, limiting block; 1571, fifth chamfer; 1572, guide block; 1573, second fillet; 158, seventh reset member; 16, baffle; 161, embedded groove; 17, limiting assembly; 171, clamping block; 1711, embedded section; 17111, fourth chamfer; 1712, connecting section; 1713, abutting section; 1714, rotating shaft; 1715, connecting ring; 172, eighth reset member; 2. Drum; 21. Accommodating chamber; 22. Slag outlet; 23. Liquid outlet; 24. First annular groove; 25. Protrusion; 251. First fillet; 3. Screw pusher; 31. Feeding chamber; 32. Discharging port; 33. Second annular groove; 34. Connecting shaft; 4. Feed pipe; 5. Sealing assembly; 51. Sleeve; 511. Groove; 512. Third ring groove; 513. Connecting groove; 52. Sealing ring; 53. Third reset member; 54. Third abutting ring; 55. Pushing block; 551. Third chamfer; 56. Fourth reset member; 6. Tightening assembly; 61. First tightening ring; 62. First resetting member; 63. Second tightening ring; 64. Second resetting member; 7. Driving mechanism; 71. First driving motor; 72. Second driving motor; 8. Transmission mechanism; 81. First transmission assembly; 82. Second transmission assembly; 83. Driving pulley; 831. Limiting hole; 832. First chamfer; 84. Driven pulley; 85. Belt body; 86. Driving shaft; 861. Transmission section; 862. Support section; 9. Material receiving trolley; 91. Box body; 911. Material receiving trough; 912. Abutment block; 913. Column; 92. Handle; 93. Universal wheel. DETAILED DESCRIPTION

[0034] The present application is further described in detail below in conjunction with the accompanying drawings.

[0035] Reference Figure 1 The embodiment of the present application discloses a closed explosion-proof centrifuge including a frame 1, the frame 1 including a base 11, a cover 12 and a sliding seat 13, the cover 12 including an upper cover 123, a lower cover 124 and a screw 125, the upper cover 123 and the lower cover 124 enclose a mounting cavity 121. The lower cover 124 is fixedly connected to the upper end of the base 11, one side of the upper cover 123 along the width direction of the base 11 is hinged to one side of the lower cover 124 along the width direction of the base 11, and the hinge axis of the upper cover 123 and the lower cover 124 is parallel to the length direction of the base 11. The screw 125 is fixedly connected to the upper cover 123, and the axis of the screw 125 coincides with the hinge axis of the upper cover 123 and the lower cover 124. The sliding seat 13 is slidably connected to the base 11, the sliding direction of the sliding seat 13 is parallel to the length direction of the base 11, and the sliding seat 13 is threadedly connected to the screw 125. Two sliding seats 13 are provided, and the two sliding seats 13 are respectively located on both sides of the lower cover 124 along the length direction of the base 11 .

[0036] Reference Figure 1 and Figure 2 The frame 1 further includes a locking assembly 15. The number of the locking assembly 15 is the same as the number of the sliding seats 13 and corresponds one to one. The locking assembly 15 includes a fixed seat 151, a locking seat 152 and a fifth reset member 153. The lower end of the fixed seat 151 is fixedly connected to the upper end of the sliding seat 13. There are two fixed seats 151, and the two fixed seats 151 are symmetrically distributed along the width direction of the base 11. A first slide groove 1511 is provided on the side of the upper end of the fixed seat 151 close to the lower cover 124. One end of the locking seat 152 is slidably embedded in the first slide groove 1511. The sliding direction of the locking seat 152 is parallel to the sliding direction of the sliding seat 13. A locking groove 1521 is provided on the side of the locking seat 152 close to the lower cover 124. An upper stop ring 1231 is fixedly connected to the outer wall of the upper cover 123, and a lower stop ring 1241 is fixedly connected to the outer wall of the lower cover 124. The locking groove 1521 is used for the upper stop ring 1231 and the lower stop ring 1241 to be embedded. The groove wall of the locking groove 1521 fits with the side surface of the upper stop ring 1231 away from the lower stop ring 1241 and the side surface of the lower stop ring 1241 away from the upper stop ring 1231. A second chamfer 1522 is provided at one end of the locking seat 152 close to the lower cover 124. The second chamfer 1522 is located at the upper end of the locking seat 152, and the second chamfer 1522 is used for the upper stop ring 1231 to abut. The fifth reset member 153 is connected between the locking seat 152 and the fixed seat 151, and the fifth reset member 153 makes the locking member have a tendency to approach the lower cover 124. In this embodiment, the fifth reset member 153 is a spring, one end of the fifth reset member 153 is connected to one end of the locking seat 152 close to the bottom of the first slide groove 1511 , and the other end of the fifth reset member 153 is connected to the bottom of the first slide groove 1511 .

[0037] Reference Figure 1 and Figure 3 A closed explosion-proof centrifuge also includes a drum 2, which is coaxially rotatable and embedded in a mounting cavity 121, and the rotation axis of the drum 2 is parallel to the length direction of the base 11. The mounting cavity 121 is provided with first through holes 127 at both sides of the cavity wall along the rotation axis of the drum 2, and both ends of the drum 2 pass through the first through holes 127 on both sides and extend out of the housing 12, and the outer wall of the drum 2 fits with the hole wall of the first through hole 127.

[0038] Reference Figure 4 The locking assembly 15 also includes a limit block 157 and a seventh reset member 158. A third connecting groove 1512 is provided at a groove wall of one side of the first slide groove 1511 close to the drum 2. The third connecting groove 1512 is connected to the outside. The limit block 157 is slidably embedded in the third connecting groove 1512. The sliding direction of the limit block 157 is parallel to the width direction of the base 11. A limit groove 1523 is provided on the side wall of the locking seat 152. The limit groove 1523 is used for the limit block 157 to be embedded. The outer periphery of one end of the limit block 157 close to the locking seat 152 is provided with a fifth chamfer 1571. The fifth chamfer 1571 is used to abut against the wall of the limiting groove 1523, the other end of the limiting block 157 extends out of the third connecting groove 1512, the wall of the third connecting groove 1512 is provided with a guide groove 1513, the side wall of the limiting block 157 is fixedly connected with a guide block 1572, the guide block 1572 is slidably embedded in the guide groove 1513, the sliding direction of the guide block 1572 is parallel to the sliding direction of the limiting block 157, the seventh reset member 158 is connected between the guide block 1572 and the fixed seat 151, and the seventh reset member 158 makes the limiting block 157 have a tendency to move away from the locking seat 152. In this embodiment, the seventh reset member 158 is a spring, one end of the seventh reset member 158 is connected to a side surface of the guide block 1572 close to the locking seat 152, and the other end of the seventh reset member 158 is connected to a side wall of the guide groove 1513 close to the locking seat 152.

[0039] The locking assembly 15 further includes a rotating disk 154, a slider 155 and a sixth reset member 156. The rotating disk 154 is coaxially fixedly connected to the outer periphery of the rotating drum 2. A plurality of second slide grooves 1541 are arranged on the outer periphery of the rotating disk 154. The plurality of second slide grooves 1541 are evenly distributed around the axis of the rotating disk 154. In this embodiment, ten second slide grooves 1541 are arranged. The number of sliders 155 and the sixth reset member 156 is the same as the number of second slide grooves 1541 and corresponds to each other. The slider 155 is slidably embedded in the second slide groove 1541, and the sliding direction of the slider 155 is perpendicular to the rotation axis of the rotating disk 154. A second fillet 1573 is arranged on the outer periphery of the end of the limit block 157 away from the locking seat 152. The second fillet 1573 is used for abutting against the end of the slider 155 away from the bottom of the second slide groove 1541. The sixth reset member 156 is connected between the slider 155 and the rotating disk 154, and the sixth reset member 156 makes the slider 155 have a tendency to be embedded in the second slide groove 1541. In this embodiment, the sixth reset member 156 is a spring, one end of the sixth reset member 156 is connected to one end of the slider 155 close to the bottom of the second slide groove 1541, and the other end of the sixth reset member 156 is connected to the bottom of the second slide groove 1541.

[0040] Reference Figure 1 and Figure 5A closed explosion-proof centrifuge also includes a sealing assembly 5, the number of the sealing assembly 5 is the same as the number of the first through holes 127 and corresponds one to one, and the sealing assembly 5 includes a sleeve 51, a sealing ring 52, a third reset member 53, a third tightening ring 54, a push block 55 and a fourth reset member 56. The sleeve 51 is coaxially fixedly connected to the outer periphery of the drum 2, and a rotating groove 122 is coaxially provided at the hole wall of the first through hole 127, and the sleeve 51 is rotatably embedded in the rotating groove 122. A plurality of grooves 511 are provided at the inner wall of the sleeve 51, and the plurality of grooves 511 are spaced apart along the axis of the sleeve 51. In this embodiment, two grooves 511 are provided. The number of the sealing rings 52 is the same as the number of the grooves 511 and corresponds one to one, and the sealing rings 52 are embedded in the grooves 511, and the inner wall of the sealing ring 52 is pressed against the outer wall of the drum 2, and the outer wall of the sealing ring 52 is pressed against the bottom of the groove 511. In this embodiment, the sealing ring 52 adopts an O-ring. The sleeve 51 is provided with third annular grooves 512 on both side surfaces along the axis of the sleeve 51, and the axis of the third annular groove 512 coincides with the axis of the sleeve 51. The number of the third abutting rings 54 is the same as the number of the third annular grooves 512 and corresponds one to one. The third abutting rings 54 are slidably embedded in the third annular grooves 512, and the sliding direction of the third abutting rings 54 is parallel to the axis of the sleeve 51. The third abutting rings 54 are used to abut the groove wall of the rotating groove 122. The third reset member 53 is connected between the third abutting ring 54 and the sleeve 51, and the third reset member 53 makes the third abutting ring 54 have a tendency to be embedded in the third annular groove 512. In this embodiment, the third reset member 53 is a spring, one end of the third reset member 53 is connected to a side surface of the third abutting ring 54 close to the bottom of the third annular groove 512, and the other end of the third reset member 53 is connected to the bottom of the third annular groove 512. A connecting groove 513 is provided at the groove wall of one side of the third annular groove 512 close to the drum 2. The connecting grooves 513 are provided in a plurality and are divided into two groups. The two groups of connecting grooves 513 correspond to two third annular grooves 512 respectively, and the connecting grooves 513 in the same group are evenly distributed around the axis of the sleeve 51. In this embodiment, twelve connecting grooves 513 are provided. The number of the push blocks 55 and the fourth reset members 56 is the same as the number of the connecting grooves 513 and corresponds to each other. The push block 55 is slidably embedded in the connecting groove 513. The sliding direction of the push block 55 is perpendicular to the axial direction of the sleeve 51. The end of the push block 55 away from the drum 2 is provided with a third chamfer 551. The third chamfer 551 is located on the side of the push block 55 away from the other push block 55. The third chamfer 551 is used to abut against the inner wall of the third tightening ring 54. The fourth reset member 56 is connected between the push block 55 and the sleeve 51. The fourth reset member 56 makes the push block 55 have a tendency to move away from the third tightening ring 54. In this embodiment, the fourth reset member 56 is a spring, one end of the fourth reset member 56 is connected to one end of the push block 55 away from the third abutting ring 54 , and the other end of the fourth reset member 56 is connected to the bottom of the connecting groove 513 .

[0041] The drum 2 is coaxially provided with a housing chamber 21, and a plurality of slag outlets 22 are provided at the chamber wall along one side of the rotation axis of the drum 2, and the plurality of slag outlets 22 are evenly distributed around the rotation axis of the drum 2, and the slag outlets 22 are connected to the mounting chamber 121. In this embodiment, eight slag outlets 22 are provided. A plurality of liquid outlets 23 are provided at the chamber wall on the other side of the housing chamber 21, and the plurality of liquid outlets 23 are evenly distributed around the rotation axis of the drum 2, and the liquid outlets 23 are connected to the mounting chamber 121. In this embodiment, eight liquid outlets 23 are provided.

[0042] Reference Figure 3 and Figure 5 A closed explosion-proof centrifuge also includes a screw pusher 3 and a feed pipe 4. The screw pusher 3 is coaxially rotatable and embedded in the accommodating chamber 21, and the rotation axis of the screw pusher 3 coincides with the rotation axis of the drum 2. The screw pusher 3 is coaxially provided with a feed chamber 31, and a discharge port 32 is provided at the wall of the feed chamber 31, and the discharge port 32 is connected to the accommodating chamber 21. The accommodating chamber 21 is fixedly connected with a protrusion 25 at the cavity wall on both sides along the rotation axis of the drum 2, and the protrusion 25 is rotatably embedded in the feed chamber 31, and the side wall of the protrusion 25 is in contact with the cavity wall of the feed chamber 31, and the outer periphery of the protrusion 25 away from the cavity wall of the accommodating chamber 21 is provided with a first fillet 251, and the first fillet 251 is used to abut against the cavity wall of the feed chamber 31. The feed pipe 4 is located on the side of the drum 2 close to the liquid outlet 23, and is fixedly connected to the base 11. One end of the feed pipe 4 is located outside the drum 2. The end of the feed pipe 4 located outside the drum 2 is used to connect with an external pipeline. The other end of the feed pipe 4 passes through the drum 2 and extends into the feed cavity 31. The axis of the feed pipe 4 coincides with the rotation axis of the drum 2. A connecting shaft 34 is fixedly connected to the inner wall of the feed cavity 31. The axis of the connecting shaft 34 coincides with the rotation axis of the screw pusher 3. The end of the connecting shaft 34 away from the feed pipe 4 passes through the drum 2 and extends out of the cover 12.

[0043] A closed explosion-proof centrifuge also includes a tightening assembly 6, and a first annular groove 24 is provided at the wall of the accommodating chamber 21. The number of the first annular grooves 24 is the same as the number of the protrusions 25 and corresponds one to one, and the axis of the first annular groove 24 coincides with the axis of the protrusion 25. The number of the tightening assembly 6 is the same as the number of the first annular grooves 24 and corresponds one to one. The tightening assembly 6 includes a first tightening ring 61, a first reset member 62, a second tightening ring 63 and a second reset member 64. The first tightening ring 61 is slidably embedded in the first annular groove 24, and the sliding direction of the first tightening ring 61 is parallel to the rotation axis of the drum 2. The first reset member 62 is connected between the first tightening ring 61 and the drum 2, and the first reset member 62 makes the first tightening ring 61 have a tendency to move away from the bottom of the first annular groove 24. In this embodiment, the first reset member 62 adopts a spring, one end of the first reset member 62 is connected to a side surface of the first tightening ring 61 close to the bottom of the first annular groove 24, and the other end of the first reset member 62 is connected to the bottom of the first annular groove 24. The second annular groove 33 is respectively provided at both ends of the spiral pusher 3, and the second clamping ring 63 is slidably embedded in the second annular groove 33. The sliding direction of the second clamping ring 63 is parallel to the sliding direction of the first clamping ring 61, and the side surface of the second clamping ring 63 away from the second annular groove 33 is used to clamp the side surface of the first clamping ring 61 away from the first annular groove 24. The second reset member 64 is connected between the second clamping ring 63 and the spiral pusher 3, and the second reset member 64 makes the second clamping ring 63 have a tendency to move away from the bottom of the second annular groove 33. In this embodiment, the second reset member 64 adopts a spring, one end of the second reset member 64 is connected to the side surface of the second clamping ring 63 close to the bottom of the second annular groove 33, and the other end of the second reset member 64 is connected to the bottom of the second annular groove 33.

[0044] Reference Figure 6 A closed explosion-proof centrifuge also includes a driving mechanism 7. The driving mechanism 7 includes a first driving motor 71 and a second driving motor 72. The first driving motor 71 is located on a sliding seat 13 near a side of the feed pipe 4 along the length direction of the base 11, and the first driving motor 71 is used to drive the drum 2 to rotate. The second driving motor 72 is connected to another sliding seat 13, and the second driving motor 72 is used to drive the screw pusher 3 to rotate.

[0045] A closed explosion-proof centrifuge also includes a transmission mechanism 8. The transmission mechanism 8 includes a first transmission assembly 81 and a second transmission assembly 82, wherein the first transmission assembly 81 is connected between the first drive motor 71 and the drum 2, and the second transmission assembly 82 is connected between the second drive motor 72 and the screw pusher 3.

[0046] Reference Figure 2 and Figure 6The first transmission assembly 81 and the second transmission assembly 82 each include a driving pulley 83, a driven pulley 84, a belt body 85 and a driving shaft 86. The driven pulley 84 is coaxially fixedly connected to the outer periphery of the rotating drum 2 or the connecting shaft 34. The driving pulley 83 is rotatably connected to the base 11, the rotation axis of the driving pulley 83 is parallel to the rotation axis of the driven pulley 84, and the belt body 85 is sleeved on the outer periphery of the driven pulley 84 and the driving pulley 83. The driving pulley 83 is coaxially provided with a limiting hole 831, and the driving shaft 86 includes a transmission section 861 and a support section 862, one end of the transmission section 861 is fixedly connected to the output shaft of the first drive motor 71 or the second drive motor 72, one end of the support section 862 is coaxially fixedly connected to the other end of the transmission section 861, and the transmission section 861 and the support section 862 are coaxially slidably embedded in the limiting hole 831. A first chamfer 832 is provided at the hole wall of the limiting hole 831 away from the lower cover 124, and the first chamfer 832 is used for abutting against one end of the transmission section 861 close to the support section 862. The transmission section 861 is circumferentially fixed to the limiting hole 831, and the support section 862 is coaxially rotatably embedded in the limiting hole 831. The upper end of the base 11 is fixedly connected to the support seat 113, and the other end of the support section 862 is connected to the support seat 113.

[0047] Reference Figure 1 and Figure 7 The base 11 is provided with a placement groove 111 on one side along the width direction of the base 11, and a discharge hopper 14 is fixedly connected to the outer wall of the lower cover 124. The discharge hopper 14 is located on the side of the lower cover 124 close to the second drive motor 72. A slag discharge port 126 is provided on the wall of the installation cavity 121, and the slag discharge port 126 is connected to the discharge hopper 14. The frame 1 also includes a baffle 16, one end of which is hinged to the discharge hopper 14 and covers the slag discharge port 126. The hinge axis of the baffle 16 and the discharge hopper 14 is parallel to the length direction of the base 11, and the hinge axis of the baffle 16 and the discharge hopper 14 is located at one end of the baffle 16 near the placement groove 111 along the width direction of the base 11. A receiving groove 141 is provided at the lower end of the discharge hopper 14, and the baffle 16 is rotatably embedded in the receiving groove 141. In this embodiment, when the baffle 16 is embedded in the receiving groove 141 , a surface of the baffle 16 on one side away from the bottom of the receiving groove 141 is flush with the lower end of the discharge hopper 14 .

[0048] Reference Figure 7 and Figure 8, first connecting grooves 142 are respectively provided on both sides of the length direction of the base 11 of the discharge hopper 14, and second connecting grooves 143 are provided on the groove wall of one side of the first connecting groove 142 away from the hinge axis of the baffle 16 and the discharge hopper 14, and the second connecting groove 143 is connected to the receiving groove 141. The frame 1 also includes a limit assembly 17, the number of the limit assembly 17 is the same as the number of the first connecting grooves 142 and corresponds to each other, the limit assembly 17 includes a clamping block 171 and an eighth reset member 172, and the clamping block 171 includes an embedded section 1711, a connecting section 1712 and an abutting section 1713. One end of the connecting section 1712 close to the hinge axis of the baffle 16 and the discharge hopper 14 is rotatably embedded in the first connecting groove 142, and the rotation axis of the connecting section 1712 is vertical, one end of the embedded section 1711 is fixedly connected to the other end of the connecting section 1712, and the other end of the embedded section 1711 passes through the second connecting groove 143 and then is embedded in the receiving groove 141. The baffle 16 is provided with an embedding groove 161 at the side wall along the hinge axis of the baffle 16 and the discharge hopper 14. The number of the embedding grooves 161 is the same as the number of the embedding sections 1711 and corresponds to each other. The embedding groove 161 is used for embedding the end of the embedding section 1711 away from the connecting section 1712. The embedding section 1711 is provided with a fourth chamfer 17111 on the side away from the bottom of the receiving groove 141. The fourth chamfer 17111 is located on the side of the embedding section 1711 close to the hinge axis of the baffle 16 and the discharge hopper 14. The fourth chamfer 17111 is used to abut against the baffle 16. The connecting section 1712 is fixedly connected with a rotating shaft 1714. The axis of the rotating shaft 1714 coincides with the rotation axis of the connecting section 1712. The lower end of the rotating shaft 1714 passes through the lower groove wall of the first connecting groove 142. The outer periphery of the lower end of the rotating shaft 1714 is coaxially fixedly connected with a connecting ring 1715. The eighth reset member 172 is connected between the connecting ring 1715 and the discharge hopper 14, and the eighth reset member 172 makes the embedding section 1711 have a tendency to embed into the embedding groove 161. In this embodiment, the eighth reset member 172 is a torsion spring, one end of the eighth reset member 172 is connected to the upper surface of the connecting ring 1715, the other end of the eighth reset member 172 is connected to the lower end of the discharge hopper 14, and one end of the abutting section 1713 is fixedly connected to a side surface of the connecting section 1712 away from the baffle 16.

[0049] Reference Figure 1 and Figure 8A closed explosion-proof centrifuge also includes a material receiving trolley 9. The material receiving trolley 9 includes a box body 91, a handle 92 and a universal wheel 93. The box body 91 is slidably embedded in the placement groove 111. The sliding direction of the box body 91 is parallel to the width direction of the base 11. The upper end of the box body 91 is provided with a material receiving groove 911, and the material receiving groove 911 is used to face the lower end of the discharge hopper 14. The upper end of the box body 91 close to the side of the hinge axis of the baffle 16 and the discharge hopper 14 is fixedly connected with an abutment block 912. The abutment block 912 is used to abut the side surface of the baffle 16 away from the bottom of the accommodating groove 141. The upper end of the abutment block 912 is flush with the lower end of the discharge hopper 14. The upper end of the abutment block 912 is fixedly connected with a column 913. The number of the columns 913 is the same as the number of the abutment sections 1713 and corresponds one to one. The column 913 is used to abut the abutment section 1713. The handle 92 is fixedly connected to a side surface of the box body 91 away from the abutment block 912, and the upper end of the universal wheel 93 is fixedly connected to the lower end of the box body 91. There are a plurality of universal wheels 93, and the plurality of universal wheels 93 are divided into two groups. The two groups of universal wheels 93 are spaced apart along the length direction of the base 11, and the universal wheels 93 in the same group are spaced apart along the width direction of the base 11. In this embodiment, there are four universal wheels 93. The four universal wheels 93 are located at the four corners of the box body 91. A third slide groove 112 is provided at the lower groove wall of the placement groove 111. The length direction of the third slide groove 112 is parallel to the width direction of the base 11. There are two third slide grooves 112, and the two third slide grooves 112 correspond to the two groups of universal wheels 93 respectively, and the universal wheels 93 are embedded in the third slide grooves 112.

[0050] The implementation principle of a closed explosion-proof centrifuge in an embodiment of the present application is as follows: the material receiving trolley 9 is pushed into the placement groove 111, the column 913 abuts the abutting section 1713, drives the abutting section 1713 to rotate, drives the connecting section 1712 to rotate, drives the embedded section 1711 to rotate and disengage from the embedded groove 161, releases the relative fixation of the baffle 16 and the discharge hopper 14, and the baffle 16 rotates downward under the action of gravity, so that the outlet of the discharge hopper 14 is opened, so that the material receiving trough 911 of the material receiving trolley 9 behind the discharge hopper 14 is directly opposite, so that the solid phase discharged from the centrifuge falls into the material receiving trough 911. When the receiving groove 911 is full, pull the handle 92 to drive the receiving trolley 9 to slide, and the abutment block 912 abuts the baffle 16, pushing the baffle 16 to embed into the accommodating groove 141. The baffle 16 abuts the fourth chamfer 17111, pushing the embedding section 1711 to rotate. When the embedding groove 161 and the embedding section 1711 are facing each other, the embedding section 1711 is embedded in the embedding groove 161, realizing the relative fixation of the baffle 16 and the discharge hopper 14, so that when the receiving trolley 9 is replaced, the solid phase is temporarily stored in the mounting cavity 121.

[0051] The upper cover 123 is closed, driving the screw 125 to rotate. The screw 125 is threadedly connected with the sliding seat 13, driving the sliding seat 13 to slide, driving the first drive motor 71 and the second drive motor 72 to slide, driving the drive shaft 86 to slide, so that the transmission section 861 is embedded in the limiting hole 831, realizing the circumferential fixation of the drive shaft 86 and the active pulley 83, realizing the first drive motor 71 driving the drum 2 to rotate, and the second drive motor 72 driving the spiral pusher 3 to rotate, so as to realize the operation of the centrifuge. The locking seat 152 slides close to the lower cover 124, the upper limiting ring 1231 and the lower limiting ring 1241 are embedded in the locking groove 1521, the rotating disk 154 rotates, and the slider 155 slides outward under the action of centrifugal force. The slider 155 abuts the second fillet 1573, pushing the limiting block 157 to slide, so that the limiting block 157 is embedded in the limiting groove 1523, realizing the relative fixation of the locking seat 152 and the fixing seat 151.

[0052] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A closed explosion-proof centrifuge, characterized in that: The invention comprises a frame (1), a rotating drum (2), a screw pusher (3), a feeding pipe (4) and a sealing assembly (5); the frame (1) comprises a base (11) and a cover shell (12); the cover shell (12) is connected to the base (11); the cover shell (12) is provided with a mounting cavity (121); the rotating drum (2) is rotatably embedded in the mounting cavity (121); the rotating axis of the rotating drum (2) is horizontal; the rotating drum (2) is provided with a receiving cavity (21); the screw pusher (3) is rotatably embedded in the receiving cavity (21); the screw pusher The rotation axis of the device (3) coincides with the rotation axis of the drum (2); the spiral pusher (3) is provided with a feed chamber (31); a discharge port (32) is provided at the wall of the feed chamber (31); the discharge port (32) is communicated with the accommodating chamber (21); the feed pipe (4) is rotatably connected to the drum (2); the rotation axis of the feed pipe (4) coincides with the rotation axis of the drum (2); one end of the feed pipe (4) extends into the feed chamber (31); and the sealing assembly (5) is connected between the drum (2) and the cover shell (12).

2. The closed explosion-proof centrifuge according to claim 1, characterized in that: The sealing assembly (5) comprises a sleeve (51), a sealing ring (52), a third reset member (53), a third abutting ring (54), a pushing block (55) and a fourth reset member (56); the sleeve (51) is coaxially connected to the outer periphery of the drum (2); a plurality of grooves (511) are provided on the inner side of the sleeve (51); the plurality of grooves (511) are spaced apart along the axis of the sleeve (51); the number of the sealing rings (52) is the same as the number of the grooves (511) and corresponds to each other; The sealing ring (52) is embedded in the groove (511); the inner wall of the sealing ring (52) is pressed against the outer wall of the rotating drum (2); the housing (12) is provided with a rotating groove (122); the sleeve (51) is coaxially rotated and embedded in the rotating groove (122); a third annular groove (512) is provided on a side surface of the sleeve (51) along the rotating axis of the sleeve (51); the third pressing ring (54) is slidably embedded in the third annular groove (512); the sliding direction of the third pressing ring (54) is parallel to The sleeve (51) is provided with a rotation axis; the third abutting ring (54) is used to abut against the groove wall of the rotation groove (122); the third reset member (53) is connected between the third abutting ring (54) and the sleeve (51); the third reset member (53) enables the third abutting ring (54) to have a tendency to be embedded in the third annular groove (512); a connecting groove (513) is provided on a groove wall of one side of the third annular groove (512) close to the drum (2); the pushing block (55) is slidably embedded in the connecting groove (51 3); the sliding direction of the pushing block (55) is perpendicular to the rotation axis of the sleeve (51); a third chamfer (551) is provided at one end of the pushing block (55) away from the rotation axis of the sleeve (51); the third chamfer (551) is used for abutment by the third abutting ring (54); the fourth restoring member (56) is connected between the pushing block (55) and the sleeve (51); the fourth restoring member (56) enables the pushing block (55) to have a tendency to move away from the third abutting ring (54).

3. The closed explosion-proof centrifuge according to claim 1, characterized in that: The screw pusher (3) further comprises a clamping assembly (6); the two ends of the screw pusher (3) are coaxially provided with second annular grooves (33); the number of the clamping assemblies (6) is the same as the number of the second annular grooves (33) and they correspond one to one; the clamping assembly (6) comprises a first clamping ring (61), a first reset member (62), a second clamping ring (63) and a second reset member (64); the second clamping ring (63) is coaxially slidably embedded in the second annular groove (33); the second reset member (64) is connected between the second clamping ring (63) and the screw pusher (3); the second reset member (64) enables the second clamping ring (63) to be locked. The ring (63) has a tendency to move away from the bottom of the second annular groove (33); the accommodating cavity (21) is provided with a first annular groove (24); the number of the first annular grooves (24) is the same as the number of the second annular grooves (33) and corresponds to each other; the first clamping ring (61) is coaxially slidably embedded in the first annular groove (24); the first clamping ring (61) is used to clamp the second clamping ring (63); the first reset member (62) is connected between the first clamping ring (61) and the rotating drum (2); the first reset member (62) enables the first clamping ring (61) to have a tendency to move away from the bottom of the first annular groove (24).

4. The closed explosion-proof centrifuge according to claim 3, characterized in that: The cavity walls of the accommodating cavity (21) on both sides along the rotation axis of the drum (2) are connected with protrusions (25); the protrusions (25) are rotatably embedded in the feeding cavity (31); the outer wall of the protrusion (25) is in contact with the cavity wall of the feeding cavity (31); the outer periphery of one end of the protrusion (25) away from the cavity wall of the accommodating cavity (21) is provided with a first rounded corner (251); the first rounded corner (251) is used for abutting against the cavity wall of the feeding cavity (31).

5. The closed explosion-proof centrifuge according to claim 1, characterized in that: The machine frame (1) further comprises a first drive motor (71), a second drive motor (72), a first transmission assembly (81) and a second transmission assembly (82); the housing (12) comprises an upper housing (123), a lower housing (124) and a screw (125); the lower housing (124) is connected to the base (11); the upper housing (123) is hingedly connected to the lower housing (124) along a side perpendicular to the rotation axis of the drum (2); the hinge axis of the upper housing (123) and the lower housing (124) is parallel to the rotation axis of the drum (2); the upper housing (123) and the lower housing (124) together form a mounting cavity (121); the screw (125) is connected to the upper housing (123); the axis of the screw (125) coincides with the rotation axis of the upper housing (123); the frame (1) further comprises a sliding seat (13); the The sliding seat (13) is slidably connected to the base (11); the sliding direction of the sliding seat (13) is parallel to the rotation axis of the drum (2); the sliding seat (13) is threadedly connected to the screw rod (125); two sliding seats (13) are provided; the two sliding seats (13) are symmetrically distributed along the rotation axis of the drum (2); the first drive motor (71) and the second drive motor (72) are respectively connected to the two sliding seats (13); the first drive motor (71) is used to drive the drum (2) to rotate; the first transmission assembly (81) is connected between the first drive motor (71) and the drum (2); the second drive motor (72) is used to drive the spiral pusher (3) to rotate; the second transmission assembly (82) is connected between the second drive motor (72) and the spiral pusher (3).

6. The closed explosion-proof centrifuge according to claim 5, characterized in that: The first transmission assembly (81) and the second transmission assembly (82) both comprise a driving pulley (83), a driven pulley (84), a belt body (85) and a drive shaft (86); the driven pulley (84) is coaxially connected to the drum (2) or the screw pusher (3); the driving pulley (83) is rotatably connected to the base (11); the rotation axis of the driving pulley (83) is parallel to the rotation axis of the driven pulley (84); the belt body (85) is sleeved on the outer circumference of the driving pulley (83) and the driven pulley (84); the driving pulley (83) is coaxially provided with a limit hole (85) 31); the drive shaft (86) comprises a transmission section (861) and a support section (862); one end of the transmission section (861) is coaxially connected to the output shaft of the first drive motor (71) or the second drive motor (72); one end of the support section (862) is coaxially connected to the other end of the transmission section (861); the transmission section (861) and the support section (862) are coaxially slidably embedded in the limiting hole (831); the transmission section (861) and the limiting hole (831) are circumferentially fixed; and the support section (862) is coaxially rotatably embedded in the limiting hole (831).

7. The closed explosion-proof centrifuge according to claim 6, characterized in that: A first chamfer (832) is provided at the hole wall of the limiting hole (831) at one end away from the cover shell (12); the first chamfer (832) is used for abutting against one end of the transmission section (861) close to the support section (862).

8. The closed explosion-proof centrifuge according to claim 5, characterized in that: The frame (1) further comprises a locking assembly (15); the number of the locking assemblies (15) is the same as the number of the sliding seats (13) and corresponds one to one; the locking assembly (15) comprises a fixed seat (151), a locking seat (152) and a fifth reset member (153); the fixed seat (151) is connected to the sliding seat (13); the locking seat (152) is slidably connected to the fixed seat (151); the sliding direction of the locking seat (152) is parallel to the sliding direction of the sliding seat (13); the fifth reset member (153) is connected between the fixed seat (151) and the locking seat (152); the fifth reset member (153) enables the locking seat (152) The upper cover (123) has a tendency to move away from the fixing seat (151); an upper limit ring (1231) is connected to the outer wall of the upper cover (123); a lower limit ring (1241) is connected to the outer wall of the lower cover (124); a locking groove (1521) is provided on one side of the locking seat (152) close to the cover shell (12); the locking groove (1521) is used for the upper limit ring (1231) and the lower limit ring (1241) to be embedded; a second chamfer (1522) is provided on one end of the locking seat (152) close to the cover shell (12); the second chamfer (1522) is located at the upper end of the locking seat (152); the second chamfer (1522) is used for the upper limit ring (1231) to abut against.

9. The closed explosion-proof centrifuge according to claim 8, characterized in that: The locking assembly (15) further comprises a rotating disk (154), a slider (155), a sixth reset member (156), a limit block (157) and a seventh reset member (158); the rotating disk (154) is coaxially connected to the rotating drum (2); the slider (155) is slidably connected to the rotating disk (154); the sliding direction of the slider (155) is perpendicular to the rotation axis of the rotating disk (154); a plurality of sliders (155) are provided; the plurality of sliders (155) are evenly distributed around the rotation axis of the rotating disk (154); the number of the sixth reset members (156) is the same as the number of the sliders (155) and corresponds to each other one by one; the sixth reset member (156) is connected to the sliders (155); ) and the rotating disk (154); the sixth reset member (156) causes the slider (155) to have a tendency to approach the rotation axis of the rotating disk (154); the limit block (157) is slidably connected to the fixing seat (151); the sliding direction of the limit block (157) is perpendicular to the sliding direction of the locking seat (152); the locking seat (152) is provided with a limit groove (1523); the limit groove (1523) is used for the limit block (157) to be embedded; the seventh reset member (158) is connected between the limit block (157) and the fixing seat (151); the seventh reset member (158) causes the limit block (157) to have a tendency to move away from the locking seat (152).

10. The closed explosion-proof centrifuge according to claim 1, characterized in that: It also includes a material receiving trolley (9); the frame (1) also includes a baffle (16) and a limit assembly (17); a slag discharge port (126) is provided at the lower cavity wall of the installation cavity (121); the slag discharge port (126) is connected to the outside; the material receiving trolley (9) is slidably connected to the base (11); the sliding direction of the material receiving trolley (9) is horizontal; one end of the baffle (16) is hinged to the cover shell (12) and covers the slag discharge port (126); The hinge axis between the baffle (16) and the cover (12) is perpendicular to the sliding direction of the material receiving trolley (9); the limit assembly (17) comprises a clamping block (171) and an eighth reset member (172); the clamping block (171) comprises an embedding section (1711), a connecting section (1712) and an abutting section (1713); the connecting section (1712) is rotatably connected to the cover (12); the rotation axis of the connecting section (1712) is vertical; One end of the embedding section (1711) is connected to one end of the connecting section (1712) away from the hinge axis of the baffle (16) and the housing (12); the other end of the embedding section (1711) is located on a side of the connecting section (1712) close to the baffle (16); a side wall of the baffle (16) is provided with an embedding groove (161); the embedding groove (161) is used for embedding the embedding section (1711); one end of the abutting section (1713) is connected to the connecting section (1712) The eighth reset member (172) is connected between the cover shell (12) and the connecting section (1712); the embedded section (1711) at the upper end of the eighth reset member (172) has a tendency to be embedded in the embedding groove (161).

Images