CN217431976U

CN217431976U - 4-BMA is with centrifuge that can remove filter residue automatically

Info

Publication number: CN217431976U
Application number: CN202221575659.6U
Authority: CN
Inventors: 王金龙; 段金虎; 孟祥雷; 王朝
Original assignee: Hebei Worldstar Chemical Co ltd
Current assignee: Hebei Worldstar Chemical Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-09-16
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses a 4-BMA centrifuge capable of automatically removing filter residue, which comprises a frame, a centrifuge body, a dehydration filter cylinder, a residue discharge pipe barrel, a filter bag, a movable sealing mechanism and a rotary driving mechanism; the dehydration filter cylinder is rotatably arranged in the centrifuge body, the slag discharge pipe barrel is coaxially and fixedly arranged at the bottom of the dehydration filter cylinder and is communicated with the dehydration filter cylinder, and the bottom of the slag discharge pipe barrel extends out of the dehydration filter cylinder; the filter bag is arranged on the inner side of the dehydration filter cylinder, the top of the filter bag is fixed on the upper part of the dehydration filter cylinder, the bottom of the filter bag is provided with a slag discharge port, and the slag discharge port is fixed on the upper part of the slag discharge pipe barrel. The movable sealing mechanism is arranged, so that the slag discharging pipe barrel can be opened and closed conveniently, and the centrifugation and slag discharging operation are facilitated; the piston seals the slag discharging pipe barrel, so that materials can be prevented from leaking out of the slag discharging pipe barrel, and normal centrifugal operation is guaranteed; the filter residue removing pipe barrel is moved out by the driving piston, so that filter residues can be discharged from the filter residue removing pipe barrel without being shoveled outwards by manpower, the burden of manpower labor is reduced, and the filter residue cleaning efficiency is improved.

Description

4-BMA is with centrifuge that can remove filter residue automatically

Technical Field

The utility model relates to a centrifuge technical field, especially a 4-BMA is with centrifuge that can remove the filter residue automatically.

Background

Meropenem, also known as meropenem, is one of the important members of carbapenem antibiotics. The method for synthesizing meropenem mainly comprises the steps of firstly synthesizing (3S,4S) -4- [ (R) -1-carboxyethyl ] -3- [ (R) -1-isobutyldimethylsilyloxyethyl ] -2-azetidinone, namely 4-BMA, and then carrying out a series of reactions such as diazotization, deprotection, hydrogenation, refining and the like on the intermediate with other raw materials to finally obtain the meropenem. Wherein, in the preparation process of the 4-BMA, after an extract phase is obtained by discharging a raffinate phase, the extract phase needs to be centrifuged, then ethyl ester and acid are added, and concentration is carried out again, so that the 4BMA can be finally precipitated.

At present, when the existing centrifuge is used for 4BMA centrifugation, a large amount of filter residues are accumulated on a filter bag after the centrifuge is centrifuged every time, and the filter cloth needs to be taken out through manual operation; when the filter residue is more, the operator firstly shovels most of the filter residue by a shovel, the weight of the filter residue attached to the filter bag is reduced, then the filter residue is taken out and cleaned, the cleaning time is long, the efficiency is low, the labor intensity is high, and the filter bag is easily damaged when the filter residue is shoveled by the shovel, and the filter bag cannot be reused.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a centrifuge for 4-BMA that can automatically remove filter residue.

In order to achieve the above object, the utility model provides a 4-BMA is with centrifuge that can remove filter residue automatically, including the frame and install the centrifuge body in the frame, still include:

a dewatering cartridge rotatably mounted within the centrifuge body;

the slag discharge pipe barrel is coaxially and fixedly arranged at the bottom of the dehydration filter cylinder and communicated with the dehydration filter cylinder, and the bottom of the slag discharge pipe barrel extends out of the dehydration filter cylinder;

the filter bag is arranged at the inner side of the dehydration filter cylinder, the top of the filter bag is fixed at the upper part of the dehydration filter cylinder, the bottom of the filter bag is provided with a slag discharge port, and the slag discharge port is fixed at the upper part of the slag discharge pipe barrel;

the movable sealing mechanism comprises a piston and a first linear actuator, the first linear actuator is installed on the rack, the piston and the slag discharging pipe barrel are coaxially arranged, the first linear actuator drives the piston to lift and lower so that the piston moves into or out of the slag discharging pipe barrel, and the piston is in sliding sealing connection with the slag discharging pipe barrel when positioned in the slag discharging pipe barrel;

and the rotary driving mechanism comprises a driving motor and a transmission assembly, the driving motor is arranged on the rack, and the driving motor is in transmission connection with the slag discharge pipe barrel through the transmission assembly.

Further, the movable sealing mechanism further comprises a rotating shaft, an upper mounting seat, a spring and a lower mounting seat, wherein the rotating shaft, the upper mounting seat, the spring and the lower mounting seat are sequentially arranged from top to bottom, the upper end of the rotating shaft is fixedly connected with the piston, the lower end of the rotating shaft is rotatably arranged on the upper mounting seat through a bearing, the upper mounting seat is connected with the lower mounting seat through the spring, and the lower mounting seat is connected with the output end of the first linear actuator.

Furthermore, the movable material guide mechanism comprises a second linear actuator, a material guide plate, a guide sleeve and a guide rod, the second linear actuator and the guide sleeve are installed on the rack, the guide rod is slidably installed in the guide sleeve, the bottom of the material guide plate is inclined, and the output end of the second linear actuator and one end of the guide rod are connected with the material guide plate.

Further, the material guide plate has a standby position and a material guide position, when the material guide plate is in the standby position, the material guide plate is positioned on one side of the slag discharge pipe barrel, and when the material guide plate is in the material guide position, the material guide plate is positioned below the slag discharge pipe barrel.

Furthermore, the upper part of the dehydration filter cylinder is provided with an upper-layer ring groove, and the top of the filter bag is concentrically fixed in the upper-layer ring groove through an upper-layer retainer ring.

Furthermore, the upper part of the slag discharging pipe barrel is provided with a lower layer ring groove, and the bottom of the filter bag is concentrically fixed in the upper layer ring groove through a lower layer retainer ring.

Further, drive assembly includes drive pulley, driven pulley and driving belt, and drive pulley installs at the driving motor output, and driven pulley installs on row sediment bobbin, is connected through driving belt between drive pulley and the driven pulley.

The beneficial effects of the technical scheme are as follows: the slag discharge pipe barrel and the piston are arranged, so that the centrifugation and slag discharge operation can be facilitated; the piston seals the slag discharging pipe barrel, so that materials can be blocked, the materials are prevented from being leaked out of the slag discharging pipe barrel, and the normal operation of centrifugal operation is ensured; the filter residue removing pipe barrel is moved out by the driving piston, so that filter residues can be discharged from the filter residue removing pipe barrel without being shoveled outwards by manpower, the burden of manpower labor is reduced, and the filter residue cleaning efficiency is improved.

Drawings

FIG. 1 is a state diagram of the centrifugal operation of the present invention;

FIG. 2 is a state diagram of the utility model when removing filter residue;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is an enlarged view of a portion of FIG. 1 at B;

FIG. 5 is a schematic structural view of a rotary drive mechanism;

in the figure, 1, a frame; 2. a centrifuge body; 3. a dewatering cartridge; 31. an upper ring groove; 4. a slag discharge pipe barrel; 41. a lower layer ring groove; 5. a filter bag; 51. a slag discharge port; 52. an upper layer collar; 53. a lower layer collar; 6. a movable sealing mechanism; 61. a piston; 62. a first linear actuator; 63. a rotating shaft; 64. an upper layer mounting base; 65. a spring; 66. a lower layer mounting seat; 7. a rotation driving mechanism; 71. a drive motor; 72. a drive pulley; 73. a driven pulley; 74. a drive belt; 8. a movable material guide mechanism; 81. a second linear actuator; 82. a material guide plate; 83. a guide sleeve; 84. a guide rod.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.

Referring to fig. 1 to 5, in an embodiment of the present invention, a 4-BMA centrifuge capable of automatically removing filter residue includes a frame 1, a centrifuge body 2 mounted on the frame 1, a dewatering filter cartridge 3, a residue discharge tube 4, a filter bag 5, a movable sealing mechanism 6, and a rotary driving mechanism 7; the top of the centrifuge body 2 is hinged with a cover body, and the cover body is used for covering the top opening of the centrifuge body 2; a liquid outlet is arranged at the bottom of the centrifuge body 2;

wherein, the dewatering filter cylinder 3 is rotatably arranged in the centrifuge body 2; the liquid is discharged into the inner cavity of the centrifuge body 2 through centrifugal dehydration by rotating the dehydration filter cylinder 3;

the slag discharge pipe barrel 4 is coaxially and fixedly arranged at the bottom of the dehydration filter cylinder 3 and is communicated with the dehydration filter cylinder 3, and the bottom of the slag discharge pipe barrel 4 extends out of the dehydration filter cylinder 3; the slag discharge pipe barrel 4 is rotatably arranged in the inner cavity of the centrifuge body 2 through a bearing and supports the dehydration filter cylinder 3; the slag discharge pipe barrel 4 is used for discharging filter residues after the dehydration operation is finished;

the filter bag 5 is arranged at the inner side of the dehydration filter cylinder 3, the top of the filter bag 5 is fixed at the upper part of the dehydration filter cylinder 3, and the bottom of the filter bag 5 is provided with a slag discharge port 51 and is fixed at the upper part of the slag discharge pipe barrel 4; the shape of the filter bag 5 is matched with that of the dehydration filter cylinder 3, the top opening of the filter bag 5 is large, so that materials can be conveniently put in, and the bottom slag discharge port 51 of the filter bag 5 is small, so that filter residues can be conveniently discharged while the filtering effect is ensured; the filter bag 5 is supported by the dehydration filter cylinder 3, the filter bag 5 filters materials, and filter residues are accumulated in the filter bag 5;

the movable sealing mechanism 6 comprises a piston 61 and a first linear actuator 62, wherein the first linear actuator 62 is mounted on the frame 1, the piston 61 and the slag discharge pipe barrel 4 are coaxially arranged, the first linear actuator 62 drives the piston 61 to ascend and descend, so that the piston 61 moves into or out of the slag discharge pipe barrel 4, and the piston 61 is in sliding sealing connection with the slag discharge pipe barrel 4 when being positioned in the slag discharge pipe barrel 4; during centrifugal operation, the piston 61 is positioned at the top of the slag discharging pipe barrel 4 to block materials and avoid leakage of the materials; after the centrifugal operation is finished and filter residues need to be removed, controlling the first linear actuator 62 to drive the piston 61 to descend, so that the piston 61 is moved out of the residue discharge pipe barrel 4, and discharging the filter residues from the residue discharge pipe barrel 4;

the rotary driving mechanism 7 comprises a driving motor 71 and a transmission assembly, the driving motor 71 adopts a variable frequency motor and can control centrifugal rotation speed, the driving motor 71 is arranged on the frame 1, and the driving motor 71 is in transmission connection with the slag discharge pipe barrel 4 through the transmission assembly. The driving motor 71 drives the residue discharge tube barrel 4 to rotate through the transmission assembly, so as to drive the dehydration filter barrel 3 to rotate, and perform centrifugal dehydration operation.

To sum up, during the centrifugal operation, the first linear actuator 62 drives the piston 61 to rise to the top of the slag discharge pipe barrel 4 to block the material, so as to prevent the material from leaking out of the slag discharge pipe barrel 4 and ensure the normal operation of the centrifugal operation; then, the slag discharge tube barrel 4 is driven to rotate by the driving motor 71, the dehydration filter cartridge 3 and the filter bag 5 rotate together with the same, the centrifugal operation is carried out, the liquid enters the inner cavity of the centrifuge body 2 from the filter bag 5 and the dehydration filter cartridge 3, and the filter bag 5 filters out filter residues; after the centrifugal operation is finished and filter residues need to be removed, controlling the first linear actuator 62 to drive the piston 61 to descend, so that the piston 61 is moved out of the residue discharge pipe barrel 4, and discharging the filter residues from the residue discharge pipe barrel 4; the slag discharge pipe barrel 4 can be driven by the driving motor 71 to rotate slowly, so that filter residues are discharged gradually, and most of the filter residues on the filter bag 5 can be scraped and discharged from the slag discharge pipe barrel 4 through manual cooperation; the filter bag 5 can then be removed for fine cleaning, and the filter bag 5 can be easily removed since most of the filter residue adhering to the filter bag 5 is removed.

With reference to fig. 3, on the basis of the above embodiment, preferably, the movable sealing mechanism 6 further includes a rotating shaft 63, an upper mounting seat 64, a spring 65 and a lower mounting seat 66, which are sequentially arranged from top to bottom, wherein an upper end of the rotating shaft 63 is fixedly connected to the piston 61, a lower end of the rotating shaft 63 is rotatably mounted on the upper mounting seat 64 through a bearing, the upper mounting seat 64 is connected to the lower mounting seat 66 through the spring 65, and the lower mounting seat 66 is connected to the output end of the first linear actuator 62.

The rotating shaft 63 and the piston 61 are coaxially arranged, the rotating shaft 63 is used for connecting the piston 61, during centrifugal operation, the piston 61 rotates together with the slag discharge pipe barrel 4 under the friction force, the rotating shaft 63 rotates along with the piston 61, and due to the arrangement of the bearing, the upper mounting seat 64 can be relatively static, so that the static state of the first linear actuator 62 is ensured; the spring 65 can play a buffering role, so that the first linear actuator 62 is prevented from being greatly impacted and vibrated, and the spring 65 can also play an eccentric connection role, namely, when the first linear actuator 62 moves relative to the rotating shaft 63 in the radial direction under the action of external force and the like, the rotating shaft 63 and the piston 61 cannot be rigidly driven to move, so that the production safety is ensured.

With reference to fig. 1, on the basis of the above embodiment, preferably, a movable material guiding mechanism 8 is further provided, the movable material guiding mechanism 8 includes a second linear actuator 81, a material guiding plate 82, a guiding sleeve 83 and a guiding rod 84, the second linear actuator 81 and the guiding sleeve 83 are mounted on the frame 1, the guiding rod 84 is slidably mounted in the guiding sleeve 83, the bottom of the material guiding plate 82 is inclined, and an output end of the second linear actuator 81 and one end of the guiding rod 84 are both connected to the material guiding plate 82.

Specifically, the movable material guide mechanism 8 can guide the filter residues to the collecting device, so that the filter residues are prevented from being scattered; the guide sleeve 83 and the guide rod 84 play a role in guiding and supporting the material guide plate 82, so that the second linear actuator 81 can drive the material guide plate 82 to move stably and linearly; the bottom of the material guide plate 82 is inclined, so that filter residues can be conveniently guided and conveyed, and the filter residues are guided out from the bottom of the material guide plate 82 under the action of gravity.

Further, the material guide plate 82 has a standby position and a material guide position, when the material guide plate 82 is in the standby position, as shown in fig. 2, the material guide plate 82 is located on one side of the slag discharge pipe barrel 4; when the material guiding plate 82 is in the material guiding position, as shown in fig. 1, the material guiding plate 82 is located below the slag discharge tube 4, and the piston 61 is lowered below the material guiding plate 82. When the piston 61 moves out of the residue discharge pipe barrel 4 and descends to the lowest position, the second linear actuator 81 drives the material guide plate 82 to move transversely, so that the material guide plate 82 moves from the standby position to the material guide position, filter residues guided out of the residue discharge pipe barrel 4 fall on the material guide plate 82, and the material guide plate 82 can form a limiting space with an opening at one side part of the top, so that the filter residues are prevented from splashing and scattering, and the filter residues are conveniently guided and sent to the oblique lower part of the material guide plate.

Further, in order to fix the top of the filter bag 5, as shown in fig. 4, an upper ring groove 31 is formed at the upper portion of the dewatering cartridge 3, and the top of the filter bag 5 is concentrically fixed in the upper ring groove 31 by an upper retainer ring 52. The upper layer clamping ring 52 is an elastic telescopic clamping ring and can tightly clamp the top of the filter bag 5 in the upper layer ring groove 31 in an expanding way.

Further, in order to fix the bottom of the filter bag 5, as shown in fig. 3, a lower ring groove 41 is formed at the upper portion of the residue discharge tube 4, and the bottom of the filter bag 5 is concentrically fixed in the upper ring groove 31 by a lower collar 53. The lower retainer ring 53 is an elastic and retractable retainer ring, and can tightly clamp the bottom of the filter bag 5 in the lower ring groove 41.

Further, in order to facilitate the rotation of the slag discharge tube 4, as shown in fig. 5, a transmission assembly is provided, which comprises a driving pulley 72, a driven pulley 73 and a transmission belt 74, wherein the driving pulley 72 is mounted at the output end of the driving motor 71, the driven pulley 73 is mounted on the slag discharge tube 4, and the driving pulley 72 is connected with the driven pulley 73 through the transmission belt 74.

In the above structure, the first linear actuator 62 and the second linear actuator 81 both adopt air cylinders, and other structures can be selected according to requirements, such as hydraulic cylinders, electric push rods, and the like.

In the present embodiment, all the electrical components and the power supplies adapted to the electrical components are connected through wires, and an appropriate controller should be selected according to actual conditions to meet control requirements, specific connection and control sequences.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims

1. The utility model provides a 4-BMA is with centrifuge that can remove filter residue automatically, includes the frame and installs the centrifuge body in the frame, its characterized in that still includes:

a dewatering cartridge rotatably mounted within the centrifuge body;

2. The 4-BMA centrifuge capable of automatically removing filter residues according to claim 1, wherein the movable sealing mechanism further comprises a rotating shaft, an upper mounting seat, a spring and a lower mounting seat which are sequentially arranged from top to bottom, the upper end of the rotating shaft is fixedly connected with the piston, the lower end of the rotating shaft is rotatably mounted on the upper mounting seat through a bearing, the upper mounting seat is connected with the lower mounting seat through the spring, and the lower mounting seat is connected with the output end of the first linear actuator.

3. The 4-BMA centrifuge capable of automatically removing filter residues according to claim 2, further comprising a movable material guiding mechanism, wherein the movable material guiding mechanism comprises a second linear actuator, a material guiding plate, a guiding sleeve and a guiding rod, the second linear actuator and the guiding sleeve are installed on the frame, the guiding rod is slidably installed in the guiding sleeve, the bottom of the material guiding plate is inclined, and the output end of the second linear actuator and one end of the guiding rod are both connected with the material guiding plate.

4. The 4-BMA centrifuge capable of automatically removing filter residues according to claim 3, wherein the guide plate has a standby position and a guide position, and is located at one side of the residue discharge tube barrel when the guide plate is in the standby position, and is located below the residue discharge tube barrel when the guide plate is in the guide position.

5. The centrifuge of claim 1, wherein the filter cartridge has an upper ring groove on its top, and the top of the filter bag is concentrically fixed in the upper ring groove by an upper retainer ring.

6. The 4-BMA centrifuge capable of automatically removing filter residues according to claim 1, wherein the upper part of the residue discharge tube barrel is provided with a lower layer ring groove, and the bottom of the filter bag is concentrically fixed in the upper layer ring groove through a lower layer retainer ring.

7. The 4-BMA centrifuge capable of automatically removing filter residues according to claim 1, wherein the transmission assembly comprises a driving pulley, a driven pulley and a transmission belt, the driving pulley is installed at the output end of the driving motor, the driven pulley is installed on the residue discharge tube barrel, and the driving pulley is connected with the driven pulley through the transmission belt.