CN205074110U - Dull and stereotyped airtight scraper centrifugal separator - Google Patents

Abstract

The utility model discloses a flat-plate airtight scraper centrifuge, which comprises a flat-plate base, a driving motor, a bearing seat, a main shaft, a rotating drum and a liquid discharge pipe, the lower end of the rotating drum is provided with a driven pulley, and the output end of the driving motor is provided with a The driving pulley, the driven pulley and the driving pulley are connected by a belt, a filter bag is arranged in the drum, and a cylindrical shell is arranged on the outer drum, and the bottom end of the cylindrical shell is welded to the flat base , The top is provided with an upper cover, and the upper cover is provided with a feed pipe and a scraper device. The scraper device includes a power device, a transmission rod and a scraper rod. One end of the scraper rod is connected to the transmission rod, and the other end is provided with a sleeve. There is a rotating shaft rotating inside the tube, and a rigid roller is connected to both ends of the rotating shaft respectively. Through the rigid roller, the lumped material close to the inner wall of the drum is crushed and scraped, so that the lumped material falls loosely and breaks away from the inner wall of the drum. Finally, the filter bag and the materials are hoisted away from the drum to achieve the technical goal of rapid discharge.

Description

Flat-plate closed scraper centrifuge

technical field

The utility model relates to a centrifuge, in particular to a flat airtight scraper centrifuge.

Background technique

After the high-speed dehydration of the flat-plate closed scraper centrifuge, the filter bag and the material can be lifted out of the centrifuge together to realize rapid discharge, and some materials will form a hard material layer together with the filter after the high-speed dehydration of the centrifuge. The bag is firmly attached to the inner wall of the drum, so that the filter bag cannot be lifted directly, and the hard material layer needs to be crushed or removed manually, which consumes a lot of manpower and material resources, and takes a long time to unload.

Utility model content

The technical problem to be solved by the utility model is to provide a flat-plate airtight scraper centrifuge capable of rapid discharge.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: a flat-plate airtight scraper centrifuge, including a horizontally arranged flat-plate base and a bearing seat arranged on the flat-plate base, and a main shaft is vertically arranged in the bearing seat, and the main shaft passes The first bearing is rotatably connected to the bearing seat. The upper and lower ends of the main shaft extend out of the bearing seat respectively. The upper end of the main shaft is provided with a drum, and the lower end is provided with a driven pulley. Motor, the output end of the drive motor is provided with a driving pulley, the driven pulley and the driving pulley are connected by a belt, a filter bag is detachably arranged inside the drum, and an opening at both ends is sleeved outside the drum A cylindrical shell, the bottom of the cylindrical shell is welded to the flat base, and the top is provided with an upper cover, and the upper cover is provided with a feeding pipe that passes through the upper cover and is inserted into the drum. There is also a discharge pipe located in the cylindrical shell, the upper end of the discharge pipe is not higher than the upper plane of the flatbed base, and the upper cover is also provided with a scraper device, which includes a power unit, a vertical The lower end of the transmission rod is inserted into the drum, and the lower end of the transmission rod is horizontally provided with a scraper rod. One end of the scraper rod is connected to the transmission rod, and the other end is provided with a blade parallel to the inner wall of the drum. The casing, the scraper rod is fixedly connected on the outer wall of the casing, and a rotating shaft is arranged in the casing through the second bearing, the two ends of the rotating shaft protrude out of the casing respectively, and the two ends of the rotating shaft are respectively connected with a rigid roller. The radial direction of the roller is perpendicular to the axial direction of the rotating shaft, and the width of the roller gradually decreases from the center of the roller to the periphery.

The periphery of the roller is toothed.

The scraper rod is also provided with a scraper between the transmission rod and the casing.

The upper cover is also provided with a purge pipe that is inserted into the drum from top to bottom, the lower end of the purge pipe is sealed, and several purge pipes are evenly arranged on the wall of the drum from top to bottom. Purge hole.

A shaft seat is vertically arranged on the outer wall of the cylindrical shell, and a substantially T-shaped connecting plate is arranged on the upper cover. The longitudinal plate of the connecting plate partially overlaps with the shaft seat, and passes through a The hinge shaft is rotatably connected to the shaft seat, one end of the horizontal plate of the connecting plate is fixedly connected to the upper cover, and the other end is connected to the hydraulic push rod arranged on the flat bed through a pin shaft arranged horizontally. The telescopic movement can drive the upper cover to close or open upward around the pin shaft through the connecting plate.

The beneficial effect of the utility model is that: the rigid roller on the scraper device is used to roll the lumped material close to the inner wall of the drum, so that the lumped material falls loosely, and finally separates from the inner wall of the drum and concentrates on the bottom of the drum. After all the materials on the inner wall of the drum are separated, open the upper cover, lift the filter bag together with the materials away from the flat-plate airtight scraper centrifuge, and then complete the unloading. Since the rollers and materials do not slide relative to each other, the rotation speed of the rollers is determined by the drum , and the rotation speed of the drum is very fast, therefore, the whole unloading process is much faster than manual unloading, which saves time and labor. Purging further accelerates the scraping speed and realizes the technical purpose of fast unloading.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is an enlarged view of part A in Fig. 1;

Fig. 3 is an enlarged view of part B in Fig. 2 .

Among Fig. 1～Fig. 3: 1, flat machine base, 2, bearing seat, 3, main shaft, 4, first bearing, 5, rotating drum, 6, driven pulley, 7, driving motor, 8, driving pulley , 9, belt, 10, cylindrical shell, 11, upper cover, 12, feed pipe, 13, liquid discharge pipe, 14, scraper device, 141, power unit, 142, transmission rod, 143, scraper rod, 144 , casing, 145, second bearing, 146, rotating shaft, 147, roller, 148, scraper, 15, purge pipe, 151, purge hole, 16, axle seat, 17, connecting plate, 18, hinge shaft, 19 , Pin shaft, 20, hydraulic push rod, 21, filter bag.

detailed description

Below in conjunction with accompanying drawing, describe the specific embodiment of the utility model in detail.

The flat-plate airtight scraper centrifuge shown in Figures 1 to 3 includes a flat-plate base 1 arranged horizontally and a bearing seat 2 arranged on the flat-plate base 1, and a main shaft 3 is vertically arranged in the bearing seat 2, and the main shaft 3 passes through the The first bearing 4 is rotatably connected with the bearing seat 2, the upper and lower ends of the main shaft 3 protrude out of the bearing seat 2 respectively, the upper end of the main shaft 3 is provided with a drum 5, and the lower end is provided with a driven pulley 6, and the flat base 1 A driving motor 7 for driving the main shaft 3 to rotate is arranged on the top, and the output end of the driving motor 7 is provided with a driving pulley 8. The driven pulley 6 and the driving pulley 8 are connected by a belt 9, and the inside of the drum 5 is detachable. A filter bag 21 is arranged on the ground, and a cylindrical shell 10 with openings at both ends is sleeved on the outside of the drum 5. The bottom end of the cylindrical shell 10 is welded to the flat base 1, and an upper cover 11 is arranged on the top end. 11 is provided with a feed pipe 12 that passes through the upper cover 11 and is inserted into the drum 5, and the flatbed machine base 1 is also provided with a discharge pipe 13 located in the cylindrical housing 10, the upper end of the discharge pipe 13 The nozzle is not higher than the upper plane of the flatbed base 1, and it is characterized in that a scraper device 14 is also provided on the upper cover 11, and the scraper device 14 includes a power unit 141, a transmission rod vertically arranged in the power unit 141 142, the lower end of the transmission rod 142 is inserted into the drum 5, the lower end of the transmission rod 142 is horizontally provided with a scraper rod 143, one end of the scraper rod 143 is connected with the transmission rod 142, and the other end is provided with a blade parallel to the inner wall of the drum 5. Sleeve 144, scraper bar 143 is fixedly connected on the outer wall of sleeve 144, and in sleeve 144, second bearing 145 is rotated to be provided with a rotating shaft 146, and the two ends of rotating shaft 146 stretch out sleeve pipe 144 respectively, and rotating shaft 146 two ends A rigid roller 147 is respectively connected, the radial direction of the roller 147 is perpendicular to the axial direction of the rotating shaft 146 , and the width of the roller 147 gradually decreases from the center of the roller 147 to the periphery.

Roll the agglomerated material close to the inner wall of the drum 5 by the rigid roller 147, so that the agglomerated material falls loosely, separates from the inner wall of the drum 5, and concentrates at the bottom of the drum 5, and the material on the inner wall of the drum 5 is completely After detachment, open the upper cover 11, lift the filter bag 21 together with the material from the flat-plate airtight scraper centrifuge, and complete the discharge. Since the roller 147 does not slide relative to the material, the rotation speed of the roller 147 is determined by the drum 5, and the rotation The rotating speed of the drum 5 is very fast, therefore, the whole unloading process is much faster than manual unloading, which saves time and labor.

The periphery of the roller 147 is toothed. Can reduce the contact area of roller 147 and material like this, increase the pressure of unit contact area, the rolling of roller 147 like this makes agglomerate material fracture more easily.

The scraper rod 143 is also provided with a scraper 148 between the transmission rod 142 and the casing 144 . After the roller 147 has crushed the bulk material, some material will automatically fall to the bottom of the drum 5, while some material will just lift up. At this time, the material can be scraped off by the scraper 148.

The upper cover 11 is also provided with a purge pipe 15 that is inserted into the drum 5 from top to bottom. Several flushing holes 151 are evenly arranged on the bottom.

The purge pipe 15 is a multi-functional device. When the flat-panel airtight scraper centrifuge is scraping, the purge pipe 15 can be connected to the air pump, and the material on the inner wall of the drum 5 can be purged through the high-pressure air flow, and the part warped The material blown off can also blow off the residue particles adhering to the inner wall of the bagging 21 to increase the scraping speed; when the flat-plate airtight scraper centrifuge needs to be cleaned, the cleaning liquid can be injected into the blowing pipe 15 , the cleaning liquid is sprayed from the purge holes 151 to the inner wall of the drum 5 to flush and clean the inner wall of the drum 5 .

A shaft seat 16 is vertically provided on the outer wall of the cylindrical housing 10, and a substantially T-shaped connecting plate 17 is provided on the upper cover 11. The longitudinal plate of the connecting plate 17 partially overlaps with the shaft seat 16, and Rotately connected on the shaft seat 16 by a hinge shaft 18 arranged horizontally, one end of the horizontal plate of the connecting plate 17 is fixedly connected on the upper cover 11, and the other end is connected with the pin shaft 19 arranged horizontally with the flat plate base 1. The hydraulic push rods 20 are connected, and the telescopic movement of the hydraulic push rods 20 can drive the upper cover 11 to close or open upward around the pin shaft 19 through the connecting plate 17 .

The upper cover 1 is opened and closed by the hydraulic push rod 20, which is labor-saving and time-saving. The hydraulic push rod 20 has a long service life. The upper cover 11 can be tightly pressed against the upper end of the cylindrical housing 10 by the principle of leverage.

The working principle of the utility model is: through the roller 147 to crush the block material, the material is broken loose and falls naturally, or the material is scraped off by the scraper 148, and at the same time, the inner wall of the drum 5 is purged through the purge pipe 15 , to blow off the residue debris attached to the inner wall of the filter bag 21, so that there is no agglomerated material attached to the inner wall of the drum 5, so that the filter bag 21 and the material can be lifted as a whole to achieve the technical goal of rapid discharge.

Claims (5)

1. A flat-plate airtight scraper centrifuge, including a flat-plate base (1) arranged horizontally and a bearing seat (2) arranged on the flat-plate base (1), and a main shaft (3) is arranged vertically inside the bearing seat (2), The main shaft (3) is rotationally connected with the bearing seat (2) through the first bearing (4), the upper and lower ends of the main shaft (3) protrude out of the bearing seat (2) respectively, and the upper end of the main shaft (3) is provided with a drum (5 ), the lower end is provided with a driven pulley (6), the flat base (1) is provided with a drive motor (7) that drives the main shaft (3) to rotate, and the output end of the drive motor (7) is provided with a drive pulley (8), the driven pulley (6) and the driving pulley (8) are connected by a belt (9), the inside of the drum (5) is detachably provided with a filter bag (21), and the drum (5) ) is sheathed with a cylindrical shell (10) with openings at both ends. The bottom end of the cylindrical shell (10) is welded to the flat base (1), and the top end is provided with an upper cover (11). The upper cover ( 11) is provided with a feed pipe (12) that passes through the upper cover (11) and is inserted into the drum (5), and the flatbed base (1) is also provided with a The drain pipe (13), the upper end nozzle of the drain pipe (13) is not higher than the upper plane of the tablet base (1), it is characterized in that a scraper device (14) is also arranged on the upper cover (11) , the scraper device (14) comprises a power unit (141), a transmission rod (142) vertically arranged in the power device (141), the lower end of the transmission rod (142) is inserted in the drum (5), and the transmission rod (142 ) is horizontally provided with a scraper bar (143), one end of the scraper bar (143) is connected to the drive rod (142), and the other end is provided with a sleeve (144) parallel to the inner wall of the drum (5), the scraper The rod (143) is fixedly connected to the outer wall of the casing (144), and a rotating shaft (146) is installed in the casing (144) through the rotation of the second bearing (145), and the two ends of the rotating shaft (146) extend out of the casing respectively. (144), rotating shaft (146) two ends are respectively connected with a rigid roller (147), the radial direction of described roller (147) is perpendicular to the axial direction of rotating shaft (146), and the width of roller (147) is from roller ( 147) The center gradually shrinks toward the periphery. 2. The flat-plate sealed scraper centrifuge according to claim 1, characterized in that the periphery of the roller (147) is toothed. 3. The flat-plate airtight scraper centrifuge according to claim 2, characterized in that, the scraper rod (143) is further provided with a scraper (148) between the transmission rod (142) and the casing (144). 4. The flat-plate hermetic scraper centrifuge according to claim 3, characterized in that, said loam cake (11) is also provided with a purge pipe (15) inserted into the drum (5) from top to bottom, so The lower end of the purging pipe (15) is sealed, and the purging pipe (15) is evenly provided with several purging holes (151) from top to bottom on the pipe wall in the rotating drum (5). 5. The flat-plate airtight scraper centrifuge according to claim 4, characterized in that, a shaft seat (16) is vertically arranged on the outer wall of the cylindrical housing (10), and a shaft seat (16) is arranged on the upper cover (11) There is a substantially T-shaped connecting plate (17), the longitudinal plate of the connecting plate (17) partially overlaps with the shaft seat (16), and is connected to the shaft seat (16) by a horizontally arranged hinge shaft (18). One end of the horizontal plate of the connecting plate (17) is fixedly connected to the upper cover (11), and the other end is connected to the hydraulic push rod (20) arranged on the flat bed (1) through a horizontally arranged pin shaft (19). Connected, the telescopic movement of the hydraulic push rod (20) can drive the upper cover (11) to close or open upward around the pin shaft (19) through the connecting plate (17).