CN210994810U - Flat plate sedimentation type centrifuge - Google Patents
Flat plate sedimentation type centrifuge Download PDFInfo
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- CN210994810U CN210994810U CN201922001839.8U CN201922001839U CN210994810U CN 210994810 U CN210994810 U CN 210994810U CN 201922001839 U CN201922001839 U CN 201922001839U CN 210994810 U CN210994810 U CN 210994810U
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Abstract
A flat plate sedimentation type centrifuge comprises a bottom plate, a motor, a rotary drum and a casing; a damping shock absorber is arranged on the lower side of the bottom plate; the rotary drum and the motor are both arranged on the upper side of the bottom plate, and the motor is in transmission connection with a rotary drum belt; the machine shell is covered on the outer side of the rotary drum, and an upper cover is arranged on the upper side of the machine shell; the upper cover is provided with an explosion-proof lamp, a scraping mechanism, a liquid inlet pipe, a material level detector and an observation port; a sight glass made of transparent material is arranged on the sight glass; a liquid pumping device and a feeding pipe are also arranged on the shell corresponding to the upper part of the rotary drum, the liquid pumping devices respectively comprise a pipe body, a support, a hand wheel and a nut, and the pipe body can axially reciprocate relative to the support; the hand wheel drives the nut to rotate, so that the advancing and retreating of the pipe body are controlled, the pipe body can return to an initial state only by turning over the hand wheel after the work flow is finished every time, and the whole work flow is completed. The automatic cleaning machine has the advantages of excellent safety performance, accurate operation, reasonable design, easy cleaning and higher automation degree, and can effectively reduce the labor intensity and improve the production efficiency and the medicine quality.
Description
Technical Field
The utility model relates to a flat plate sedimentation type centrifuge.
Background
Sedimentation centrifuge is widely used in the field of medicine production, and the existing sedimentation centrifuge has the defects of complex operation and unreasonable design, which affects the production efficiency, and has the following specific defects: 1. the traditional sedimentation centrifuge has a three-leg structure, so that the sanitation dead angle is large, the safety performance is poor, the gas in the centrifuge body is not sealed, the toxic and harmful gas cannot be effectively treated, the harm to the body of an operator is large, and the GMP requirement is not met; 2. after the centrifugation of the traditional sedimentation centrifuge, the solid phase needs to be scraped manually and transferred to another container for carrying out secondary dissolution processing on the solid phase material, 4 to 5 persons need to be allocated to each 5 centrifuges, the steps are complex, the labor intensity is high, and the labor cost is high; 3. the traditional sedimentation centrifuge drum is internally provided with baffle plates, the baffle plates are more sanitary and difficult to clean, and automatic scraping, stirring and dissolving can not be realized after the baffle plates are added; 4. the traditional feeding and discharging and liquid pumping device of the sedimentation centrifuge adopts fixed pipelines, is inaccurate in position control, cannot adapt to the separation of different types of raw materials, and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a dull and stereotyped sedimentation formula centrifuge is provided, its security performance is good, the operation is accurate, reasonable in design, easily washs, and degree of automation is higher, can effectively reduce intensity of labour, improves production efficiency and medicine quality.
In order to solve the technical problem, the utility model provides a flat plate sedimentation type centrifuge, which comprises a bottom plate, a motor, a rotary drum and a casing;
the bottom plate is horizontally arranged, and a plurality of damping shock absorbers are arranged on the lower side of the bottom plate;
the rotary drum comprises a rotary drum body, the rotary drum body is a cylinder which is vertically arranged and has an open upper side, an annular liquid blocking plate which horizontally extends inwards is arranged at the open upper side of the rotary drum body, a bearing is arranged at the position, corresponding to the center of the rotary drum, of the upper side of the bottom plate, a rotating shaft is arranged on the bearing, and the upper side of the rotating shaft is coaxially connected with the rotary drum;
the motor is arranged on the upper side of the bottom plate, and an output shaft of the motor is in transmission connection with the rotating shaft through a belt;
the machine shell is a cylinder body which is vertically arranged and has an open upper side, the machine shell covers the outer side of the rotary drum, the upper side of the machine shell exceeds the upper side of the rotary drum, the lower side of the machine shell is fixedly connected with the bottom plate, and the upper side of the machine shell is provided with an upper cover matched with the machine shell;
the outer side of the shell is provided with a sealing assembly, the sealing assembly comprises a hinge seat, a rotating arm and a balance oil cylinder, the hinge seat is fixedly connected to the upper part of the outer wall of the shell, one end of the rotating arm in the length direction is fixedly connected with the upper cover, the other end of the rotating arm in the length direction extends out of the outer side of the upper cover, the middle part of the rotating arm is hinged with the hinge seat, the other end of the rotating arm is hinged with a piston rod of the balance oil;
the upper part of the circumferential side wall of the shell is provided with a feed pipe which penetrates through the side wall of the shell along the horizontal direction, and one end of the feed pipe, which is positioned in the shell, is provided with a vertical downward 90-degree bend;
the upper cover is provided with an explosion-proof lamp, a scraping mechanism, a material level detector and an observation port;
the explosion-proof lamp is arranged on the upper side of the upper cover, and the lower side of the explosion-proof lamp is communicated with the inner side of the shell;
the scraper mechanism comprises a shell, a scraper plate and a scraper shaft, wherein the scraper shaft is arranged in the shell, the middle part of the shell is fixedly connected with an upper cover of the centrifuge, the scraper shaft vertically extends out of the lower side of the shell and extends into the rotary drum, the scraper plate at the lower end of the scraper shaft is a rectangular plate which is vertically arranged, one side of the scraper plate in the length direction is connected to the lower part of the scraper shaft, the lower side of the scraper plate is provided with a plurality of through grooves which are arranged at intervals in the length direction of the scraper plate, an L-shaped rod is arranged at one side of the scraper plate in the thickness direction and above each through groove, the L-shaped rod is composed of a horizontal part and a vertical part which are connected end to end, the horizontal part is connected with the scraper plate along one side of the length direction far away from the vertical part, the vertical part vertically extends downwards along one side of the length direction far away from the horizontal part, the lower side of the vertical part is aligned with the lower side of the scraper plate, the scraper shaft comprises a lifting oil cylinder and a rotating assembly, the scraper and two pistons, the scraper plate is connected with the lower part of the lifting cylinder body, the rotating assembly comprises a rotating cavity, a gear sleeve, a rack and two pistons, the two pistons;
the material level detector comprises a connecting rod and a detecting head, the connecting rod is vertically arranged, the middle part of the connecting rod is fixedly connected with the upper cover, the lower side of the connecting rod extends into the rotary drum from the upper side of the rotary drum, and the detecting head is connected with the lower side of the connecting rod;
the observation port penetrates through the upper cover, and a sight glass made of transparent materials is arranged on the observation port;
a liquid pumping device is also arranged on the position of the shell corresponding to the upper part of the rotary drum, and comprises a liquid taking pipe, a support, a hand wheel and a nut which are horizontally arranged; the liquid taking pipe is arranged along the radial direction of the rotary drum in the length direction, a liquid pumping device is arranged along one side of the rotary drum, which is close to the central axis of the rotary drum in the radial direction, as the front side and one side, which is far away from the central axis of the rotary drum, as the rear side, the middle part of the outer side of the support is fixedly connected with the shell, a cavity which penetrates through the support along the axial direction of the liquid taking pipe is arranged in the support, the front part of the cavity of the support is provided with a guide groove, the rear part of the inner side of the support is provided with a containing part matched with a nut, the containing part extends backwards to the rear side of the support, the nut is arranged at the rear side of the support, the front part of the nut extends into the containing part, the nut can rotate along the axis of the nut in the containing part, the rear side of the support is provided with a limiting gland matched with the nut, the rear, the liquid taking pipe sequentially penetrates through the nut and the support from back to front, the liquid taking pipe can reciprocate back and forth in a cavity of the support, the rear side of the liquid taking pipe exceeds the rear side of the nut, the front side of the liquid taking pipe exceeds the front side of the support, the rear part of the liquid taking pipe is in threaded fit with the nut, and the front part of the liquid taking pipe is in key fit with the cavity of the support; the front side of the liquid taking pipe extends into the rotary drum and is bent downwards for 180 degrees to be opposite to the side wall of the rotary drum, the pipe opening of the liquid taking pipe is a round head, and liquid taking holes are formed in two sides of the round head.
For the sake of simplicity, the flat decanter centrifuge of the present invention is hereinafter referred to simply as the present centrifuge.
The working process and the internal principle of the centrifuge are as follows: injecting a material to be centrifuged into the rotary drum through the feeding pipe for centrifugal operation, then performing liquid extraction through a manually controlled liquid extraction device, manually rotating a hand wheel by a worker to drive a nut to rotate, driving the whole liquid extraction pipe to axially move by the rotation of the nut, gradually enabling an inner side end opening of the liquid extraction pipe to be close to the liquid material rotating at a high speed in the rotary drum, and extracting the liquid phase by the movement of the inner side end of the liquid extraction pipe from inside to outside in the liquid extraction process to finish liquid extraction operation; after the liquid pumping operation is finished, the hand wheel is rotated reversely to enable the liquid taking pipe to return to the initial state again, and the next centrifugal operation is prevented from being influenced; the residual solid-phase materials after the liquid phase is extracted by the liquid extraction device can be stuck on the inner wall of the centrifuge drum, at the moment, the rotating assembly controls the scraper plate to rotate to be close to the inner wall of the drum by changing the pressure of the two oil pumps, stopping precession when the distance is 8-10mm from the inner wall of the rotary drum, keeping the rotary drum rotating at low speed, controlling the scraper plate to gradually move downwards along with the rotation of the rotary drum by the lifting oil cylinder, sequentially scraping off the materials attached to the inner wall of the rotary drum from top to bottom, after the scraping is finished, resetting the scraping plate, stopping the rotating drum, opening the viewing mirror, adding a solvent for dissolving solid-phase materials into the rotating drum, then the drum motor is started, the scraper plate is screwed to the position 8-10mm away from the inner wall of the drum again, and slowly descends to the lowest side of the drum, and reciprocating up and down on the liquid level, the scraping plate with the through groove is equivalent to a rake, and the effects of crushing solid-phase materials and stirring and dissolving are achieved. And crushing the solid-phase materials with different liquid levels, and stirring until the dissolution is finished. And finally, extracting the liquid phase in the rotary drum from the observation port to finish the whole working process.
The centrifuge has the advantages that: 1. the water bottom plate for the centrifuge replaces a three-foot type structure in the prior art, so that the support structure of the centrifuge is easy to clean, the safety performance is greatly improved, toxic and harmful gases are convenient to intensively treat, the weight of the bottom plate accounts for 20-30% of the total weight of the centrifuge, and the occurrence of resonance can be reduced to the greatest extent; 2. the manual liquid pumping device is accurate in operation, the position of the liquid taking pipe can be controlled in time according to the condition of the liquid in the rotary drum, and the liquid pumping operation requirement after different liquid centrifugal operation is met; 3. the rotary drum adopts an embedded liquid blocking plate, is simple to process, attractive in appearance and easy to clean, cancels a baffle plate structure, eliminates sanitary dead corners and realizes automatic unloading; 4. scrape the material operation of expecting the mechanism is automatic to scrape the material back, directly carry out breakage and stirring to the solid phase material and dissolve in the rotary drum, degree of automation is higher, need not manual intervention, and every 5 centrifuge's operating personnel reduce to 2 people, need not to shift the material, can simplify the operating procedure, raise the efficiency, reduce the cost, to sum up, this centrifuge easy operation, reasonable in design can effectively improve production efficiency.
In order to achieve better using effect of the centrifuge, the preferable scheme is as follows:
preferably, the lower side of the vertical part is provided with a taper, and the lower side of the scraping plate and one side of the scraping plate, which is far away from the lifting oil cylinder in the length direction, are both provided with slopes.
Solid phase material after the centrifugation is hard relatively, scrapes and sets up the slope on the flitch and be equivalent to a blade, can be convenient for scrape the flitch and insert the solid phase material in scrape the material, during the solid phase material is convenient for insert to the tapering of vertical portion downside, can be more easy with solid phase material breakage to dissolve with higher speed.
As preferred, the upper cover top still be equipped with the water course that a circumference was arranged, the water course be the most half ring shape, the water course upside be equipped with the water inlet, convex water course downside is equipped with a plurality of vertical outlet pipes of arranging, the outlet pipe downside pass the upper cover from last to down, and every outlet pipe downside all is equipped with a spherical shower nozzle.
The water channel and the corresponding spherical spray head can spray and clean the inside of the centrifugal machine, so that the use is convenient, and the labor is saved.
Drawings
FIG. 1 is a schematic structural view of the centrifuge.
Fig. 2 is a plan view of the centrifuge.
Fig. 3 is a schematic structural diagram of the scraping mechanism of the centrifuge.
Fig. 4 is a top view of the scraping mechanism of the centrifuge.
Fig. 5 is a schematic structural diagram of a scraper plate in the scraper mechanism of the centrifuge.
Fig. 6 is a schematic structural diagram of the liquid pumping device of the centrifuge.
FIG. 7 is a schematic structural diagram of the centrifuge level detector.
Detailed Description
Referring to fig. 1-7, fig. 1 and 2 are only schematic diagrams as the overall structure of the centrifuge, wherein the detailed structures of the scraping mechanism, the rotary drum and the liquid pumping device are subject to the standards of fig. 3-7.
A flat plate decanter centrifuge comprises a bottom plate 1, a motor 14, a rotary drum 3 and a casing 2;
the bottom plate 1 is horizontally arranged, and a plurality of damping shock absorbers 11 are arranged on the lower side of the bottom plate 1;
the rotary drum 3 comprises a rotary drum 3 body, the rotary drum 3 body is a cylinder which is vertically arranged and has an open upper side, the open upper side of the rotary drum 3 body is provided with an annular liquid blocking plate 31 which horizontally extends inwards, a bearing 12 is arranged at the upper side position of the bottom plate 1 corresponding to the center of the rotary drum 3, a rotating shaft 13 is arranged on the bearing 12, and the upper side of the rotating shaft 13 is coaxially connected with the rotary drum 3;
the motor 14 is arranged on the upper side of the bottom plate 1, and an output shaft of the motor 14 is in transmission connection with the rotating shaft 13 through a belt 15;
the casing 2 is a cylinder body which is vertically arranged and has an open upper side, the casing 2 covers the outer side of the rotary drum 3, the upper side of the casing 2 exceeds the upper side of the rotary drum 3, the lower side of the casing 2 is fixedly connected with the bottom plate 1, and the upper side of the casing 2 is provided with an upper cover 7 matched with the casing 2;
the outer side of the machine shell 2 is provided with a sealing component 4, the sealing component 4 comprises a hinge seat 43, a rotating arm 42 and a balance oil cylinder 41, the hinge seat 43 is fixedly connected to the upper part of the outer wall of the machine shell 2, one end of the rotating arm 42 in the length direction is fixedly connected with the upper cover 7, the other end of the rotating arm 42 in the length direction extends out of the upper cover 7, the middle part of the rotating arm 42 is hinged with the hinge seat 43, the other end of the rotating arm 42 is hinged with a piston rod of the balance oil cylinder 41, and the;
a feeding pipe 21 penetrating through the side wall of the machine shell 2 along the horizontal direction is arranged at the upper part of the circumferential side wall of the machine shell 2, and a vertical downward 90-degree bend is arranged at one end of the feeding pipe 21 positioned in the machine shell 2;
the upper cover 7 is provided with an explosion-proof lamp 73, a scraping mechanism 5, a material level detector 6 and an observation port 71;
the explosion-proof lamp 73 is arranged on the upper side of the upper cover 7, and the lower side of the explosion-proof lamp 73 is communicated with the inner side of the machine shell 2;
the scraper mechanism 5 comprises a shell 51, a scraper plate 52 and a scraper shaft 53, wherein the scraper shaft 53 is arranged in the shell 51, the middle part of the shell 51 is fixedly connected with an upper cover 7 of the centrifuge, the scraper shaft 53 vertically extends out of the lower side of the shell 51 and extends into the rotary drum 3, the scraper plate 52 at the lower end of the scraper shaft 53 is a vertically arranged rectangular plate, one side of the scraper plate 52 in the length direction is connected with the lower part of the scraper shaft 53, the lower side of the scraper plate 52 is provided with a plurality of through grooves 521 which are arranged at intervals in the length direction of the scraper chamber 52, one side of the scraper plate 52 in the thickness direction is provided with an L-shaped rod 54 corresponding to the upper part of each through groove 521, the L-shaped rod 54 consists of a horizontal part 541 and a vertical part 542 which are connected end to end, the horizontal part 541 is connected with the scraper plate 52 in the length direction, the vertical part 542 extends downwards vertically along the side of the scraper chamber apart from the horizontal part 541 in the length direction, the vertical part 542 is aligned with the lower side of the scraper plate 52, the vertical part is provided with the lower side of the scraper chamber aligned with the scraper chamber, the scraper shaft 542, the vertical part is provided with a taper, the lower side of the scraper shaft 553, the scraper shaft is provided with a rotary cylinder 553, the rotary piston assembly, the rotary cylinder assembly which is provided with a rotary oil cylinder 553, the rotary oil cylinder which is provided with two rotary oil cylinder barrel 552 and a rotary piston assembly 554, the rotary oil cylinder which is provided with two rotary oil cylinder barrel 552, the rotary oil cylinder barrel 552 and a rotary piston 554;
the material level detector 6 comprises a connecting rod 61 and a detecting head 62, the connecting rod 61 is vertically arranged, the middle part of the connecting rod 61 is fixedly connected with the upper cover 7, the lower side of the connecting rod 61 extends into the rotary drum 3 from the upper side of the rotary drum 3, and the detecting head 62 is connected with the lower side of the connecting rod 61;
the observation port 71 penetrates through the upper cover 7, and a sight glass 72 made of transparent materials is arranged on the observation port 71;
a liquid pumping device 9 is further arranged on the position of the machine shell 2 corresponding to the upper part of the rotary drum 3, and the liquid pumping device 9 comprises a liquid taking pipe 91, a support 92, a hand wheel 93 and a nut 94 which are horizontally arranged; the length direction of the liquid taking pipe 91 is arranged along the radial direction of the rotary drum 3, the side of the liquid taking device 9 close to the central axis of the rotary drum 3 along the radial direction of the rotary drum 3 is front, the side far away from the central axis of the rotary drum 3 is rear, the middle part of the outer side of the support 92 is fixedly connected with the machine shell 2, a cavity 921 penetrating through the support 92 along the axial direction of the liquid taking pipe 91 is arranged in the support 92, a guide groove (not shown in the figure) is arranged in the front part of the cavity 921 of the support 92, a containing part 922 matched with a nut 94 is arranged at the rear part of the inner side of the support 92, the containing part 922 extends backwards to the rear side of the support 92, the nut 94 is arranged at the rear side of the support 92, the front part of the nut 94 extends into the containing part 922, the nut 94 can rotate along the axial line of the nut 94 in the containing part 922, a limit gland 95 matched with the nut 94 is arranged at the, the rear part of the liquid taking pipe 91 is provided with an external thread matched with the nut 94, the front part of the liquid taking pipe 91 is provided with a guide key 911 matched with the guide groove, the liquid taking pipe 91 sequentially passes through the nut 94 and the support 92 from back to front, the liquid taking pipe 91 can reciprocate back and forth in the cavity 921 of the support 92, the rear side of the liquid taking pipe 91 exceeds the rear side of the nut 94, the front side of the liquid taking pipe 91 exceeds the front side of the support 92, the rear part of the liquid taking pipe 91 is in threaded fit with the nut 94, and the front part of the liquid taking pipe 91 is in keyed fit with the cavity 921 of the support 92; the front side of the liquid taking pipe 91 extends into the rotary drum 3 and is bent downwards for 180 degrees to be opposite to the side wall of the rotary drum 3, the pipe orifice of the liquid taking pipe 91 is a round head, and liquid taking holes 912 are arranged on two sides of the round head.
Upper cover 7 top still be equipped with the water course 8 that a circumference was arranged, water course 8 be most half ring shape, 8 upsides of water course be equipped with water inlet 83, the 8 downside of convex water course is equipped with a plurality of vertical outlet pipes 81 of arranging, outlet pipe 81 downside from last to passing upper cover 7 down, and every outlet pipe 81 downside all is equipped with a spherical shower nozzle 82.
The working process and the internal principle of the centrifuge are as follows: firstly, injecting a material to be centrifuged into the rotary drum 3 through the feeding pipe 21 for centrifugal operation, then, performing liquid extraction through the manually controlled liquid extraction device 9, manually rotating a hand wheel 93 by a worker to drive a nut 94 to rotate, driving the whole liquid extraction pipe 91 to axially move by the rotation of the nut 94, gradually enabling an inner side port of the liquid extraction pipe 91 to be close to the liquid material rotating at a high speed in the rotary drum 3, and extracting the liquid phase by the movement of the inner side end of the liquid extraction pipe 91 from inside to outside in the liquid extraction process to finish the liquid extraction operation; after the liquid pumping operation is finished, the hand wheel 93 is rotated reversely to enable the liquid taking pipe 91 to return to the initial state again, so that the next centrifugal operation is prevented from being influenced; the liquid phase is extracted by the liquid extraction device 9, the remaining solid phase material will stick to the inner wall of the centrifuge drum 3, at this time, the rotating assembly 55 controls the scraper 52 to rotate to approach the inner wall of the drum 3 by changing the pressure of two oil pumps, stops screwing in when 8-10mm away from the inner wall of the drum 3, keeps the drum 3 rotating at low speed, controls the scraper 52 to gradually move downwards along with the rotation of the drum 3 by the lifting oil cylinder 531, the material attached to the inner wall of the drum 3 is scraped off from top to bottom in sequence, after the scraping is completed, the scraper 52 resets, the drum 3 stops operating, at this time, the sight glass 72 is opened, the solvent for dissolving the solid phase material is added into the drum 3, then the drum motor 14 is started, the scraper 52 screws in to 8-10mm away from the inner wall of the drum 3 again, slowly descends to the lowest side of the drum 3, and reciprocates up and down on the liquid level, at this, the function of crushing solid-phase materials and stirring for dissolution is achieved. And crushing the solid-phase materials with different liquid levels, and stirring until the dissolution is finished. Finally, the liquid phase in the rotary drum 3 is extracted from the observation port 71, and the whole working process is completed.
The centrifuge has the advantages that: 1. the horizontal base plate 1 for the centrifugal machine replaces a three-foot type structure in the prior art, so that the supporting structure of the centrifugal machine is easy to clean, the safety performance is greatly improved, toxic and harmful gases are conveniently treated in a centralized manner, the weight of the base plate 1 accounts for 20-30% of the total weight of the centrifugal machine, and the occurrence of resonance can be reduced to the greatest extent; 2. the manual liquid pumping device 9 is accurate in operation, the position of the liquid taking pipe 91 can be timely controlled according to the condition of the liquid in the rotary drum 3, and the liquid pumping operation requirement after different liquid centrifugal operations is met; 3. the rotary drum 3 adopts an embedded liquid blocking plate 31, is simple to process, attractive in appearance and easy to clean, cancels a baffle plate structure, eliminates sanitary dead angles and realizes automatic unloading; 4. scrape material mechanism 5 and scrape the material operation automatically to scrape the material back, directly carry out breakage and stirring to the solid phase material and dissolve in rotary drum 3, degree of automation is higher, need not artifical the intervention, and every 5 centrifuge's operating personnel reduces to 2 people, can simplify the operating procedure, reduces intensity of labour, raises the efficiency, reduces the cost, to sum up, this centrifuge easy operation, reasonable in design can effectively improve production efficiency.
Solid phase material after the centrifugation is hard relatively, sets up the slope on scraping flitch 52 and is equivalent to a blade, can be convenient for scrape flitch 52 and insert the solid phase material in scrape the material, and the tapering of vertical portion 542 downside is convenient for insert the solid phase material in, can be more easy with the solid phase material breakage to dissolve with higher speed.
Upper cover 7 top still be equipped with the water course 8 that a circumference was arranged, water course 8 be most half ring shape, 8 upsides of water course be equipped with water inlet 83, the 8 downside of convex water course is equipped with a plurality of vertical outlet pipes 81 of arranging, outlet pipe 81 downside from last to passing upper cover 7 down, and every outlet pipe 81 downside all is equipped with a spherical shower nozzle 82.
The water channel 8 and the corresponding spherical spray head 82 can spray and clean the inside of the centrifuge, so that the use is convenient, and the manpower is saved.
Claims (3)
1. A flat decanter centrifuge, comprising: comprises a bottom plate, a motor, a rotary drum and a shell;
the bottom plate is horizontally arranged, and a plurality of damping shock absorbers are arranged on the lower side of the bottom plate;
the rotary drum comprises a rotary drum body, the rotary drum body is a cylinder which is vertically arranged and has an open upper side, an annular liquid blocking plate which horizontally extends inwards is arranged at the open upper side of the rotary drum body, a bearing is arranged at the position, corresponding to the center of the rotary drum, of the upper side of the bottom plate, a rotating shaft is arranged on the bearing, and the upper side of the rotating shaft is coaxially connected with the rotary drum;
the motor is arranged on the upper side of the bottom plate, and an output shaft of the motor is in transmission connection with the rotating shaft through a belt;
the machine shell is a cylinder body which is vertically arranged and has an open upper side, the machine shell covers the outer side of the rotary drum, the upper side of the machine shell exceeds the upper side of the rotary drum, the lower side of the machine shell is fixedly connected with the bottom plate, and the upper side of the machine shell is provided with an upper cover matched with the machine shell;
the outer side of the shell is provided with a sealing assembly, the sealing assembly comprises a hinge seat, a rotating arm and a balance oil cylinder, the hinge seat is fixedly connected to the upper part of the outer wall of the shell, one end of the rotating arm in the length direction is fixedly connected with the upper cover, the other end of the rotating arm in the length direction extends out of the outer side of the upper cover, the middle part of the rotating arm is hinged with the hinge seat, the other end of the rotating arm is hinged with a piston rod of the balance oil;
the upper part of the circumferential side wall of the shell is provided with a feed pipe which penetrates through the side wall of the shell along the horizontal direction, and one end of the feed pipe, which is positioned in the shell, is provided with a vertical downward 90-degree bend;
the upper cover is provided with an explosion-proof lamp, a scraping mechanism, a material level detector and an observation port;
the explosion-proof lamp is arranged on the upper side of the upper cover, and the lower side of the explosion-proof lamp is communicated with the inner side of the shell;
the scraper mechanism comprises a shell, a scraper plate and a scraper shaft, wherein the scraper shaft is arranged in the shell, the middle part of the shell is fixedly connected with an upper cover of the centrifuge, the scraper shaft vertically extends out of the lower side of the shell and extends into the rotary drum, the scraper plate at the lower end of the scraper shaft is a rectangular plate which is vertically arranged, one side of the scraper plate in the length direction is connected to the lower part of the scraper shaft, the lower side of the scraper plate is provided with a plurality of through grooves which are arranged at intervals in the length direction of the scraper plate, an L-shaped rod is arranged at one side of the scraper plate in the thickness direction and above each through groove, the L-shaped rod is composed of a horizontal part and a vertical part which are connected end to end, the horizontal part is connected with the scraper plate along one side of the length direction far away from the vertical part, the vertical part vertically extends downwards along one side of the length direction far away from the horizontal part, the lower side of the vertical part is aligned with the lower side of the scraper plate, the scraper shaft comprises a lifting oil cylinder and a rotating assembly, the scraper and two pistons, the scraper plate is connected with the lower part of the lifting cylinder body, the rotating assembly comprises a rotating cavity, a gear sleeve, a rack and two pistons, the two pistons;
the material level detector comprises a connecting rod and a detecting head, the connecting rod is vertically arranged, the middle part of the connecting rod is fixedly connected with the upper cover, the lower side of the connecting rod extends into the rotary drum from the upper side of the rotary drum, and the detecting head is connected with the lower side of the connecting rod;
the observation port penetrates through the upper cover, and a sight glass made of transparent materials is arranged on the observation port;
a liquid pumping device is also arranged on the position of the shell corresponding to the upper part of the rotary drum, and comprises a liquid taking pipe, a support, a hand wheel and a nut which are horizontally arranged; the liquid taking pipe is arranged along the radial direction of the rotary drum in the length direction, a liquid pumping device is arranged along one side of the rotary drum, which is close to the central axis of the rotary drum in the radial direction, as the front side and one side, which is far away from the central axis of the rotary drum, as the rear side, the middle part of the outer side of the support is fixedly connected with the shell, a cavity which penetrates through the support along the axial direction of the liquid taking pipe is arranged in the support, the front part of the cavity of the support is provided with a guide groove, the rear part of the inner side of the support is provided with a containing part matched with a nut, the containing part extends backwards to the rear side of the support, the nut is arranged at the rear side of the support, the front part of the nut extends into the containing part, the nut can rotate along the axis of the nut in the containing part, the rear side of the support is provided with a limiting gland matched with the nut, the rear, the liquid taking pipe sequentially penetrates through the nut and the support from back to front, the liquid taking pipe can reciprocate back and forth in a cavity of the support, the rear side of the liquid taking pipe exceeds the rear side of the nut, the front side of the liquid taking pipe exceeds the front side of the support, the rear part of the liquid taking pipe is in threaded fit with the nut, and the front part of the liquid taking pipe is in key fit with the cavity of the support; the front side of the liquid taking pipe extends into the rotary drum and is bent downwards for 180 degrees to be opposite to the side wall of the rotary drum, the pipe opening of the liquid taking pipe is a round head, and liquid taking holes are formed in two sides of the round head.
2. A plate decanter centrifuge according to claim 1, wherein: the downside of vertical portion be equipped with the tapering, scrape flitch downside and scrape the flitch length direction and keep away from one side of lift cylinder and all be equipped with the slope.
3. A plate decanter centrifuge according to claim 1, wherein: the upper cover top still be equipped with the water course that a circumference was arranged, the water course be more than half ring shape, the water course upside be equipped with the water inlet, convex water course downside is equipped with a plurality of vertical outlet pipes of arranging, the outlet pipe downside pass the upper cover from last to down, and every outlet pipe downside all is equipped with a spherical shower nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922001839.8U CN210994810U (en) | 2019-11-19 | 2019-11-19 | Flat plate sedimentation type centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922001839.8U CN210994810U (en) | 2019-11-19 | 2019-11-19 | Flat plate sedimentation type centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210994810U true CN210994810U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922001839.8U Active CN210994810U (en) | 2019-11-19 | 2019-11-19 | Flat plate sedimentation type centrifuge |
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| CN (1) | CN210994810U (en) |
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2019
- 2019-11-19 CN CN201922001839.8U patent/CN210994810U/en active Active
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