CN210965547U - Liquid pumping device of flat plate type sedimentation centrifuge - Google Patents
Liquid pumping device of flat plate type sedimentation centrifuge Download PDFInfo
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- CN210965547U CN210965547U CN201922003334.5U CN201922003334U CN210965547U CN 210965547 U CN210965547 U CN 210965547U CN 201922003334 U CN201922003334 U CN 201922003334U CN 210965547 U CN210965547 U CN 210965547U
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Abstract
The utility model provides a liquid pumping device of a flat plate type sedimentation centrifuge; the device comprises a liquid taking pipe, a closed shell and a sliding piston, wherein the liquid taking pipe penetrates through the closed shell, the sealing is kept between the liquid taking pipe and the closed shell, the liquid taking pipe can move in a reciprocating mode relative to the closed shell, the front end of the liquid taking pipe extends out of the front side of the closed shell and is bent downwards, the front end of the liquid taking pipe is aligned to the inner wall of a rotary drum of the flat plate type sedimentation centrifuge, and a liquid taking port is formed in the front end of the liquid taking; the cavity is arranged between the closed shell and the side wall of the liquid taking pipe, the sliding piston is fixedly connected to the side wall of the liquid taking pipe and is positioned in the cavity, the sliding piston divides the cavity into a first cavity and a second cavity which are mutually independent, and the closed shell is respectively provided with air holes communicated with the first cavity and the second cavity. The beneficial technical effects are as follows: the structure is reasonable, the position of the suction inlet can be adjusted according to different stages of centrifugal operation, the centrifugal operation of the flat plate sedimentation centrifuge is not influenced during normal use, and the liquid pumping operation requirement after the centrifugal operation can be met.
Description
Technical Field
The utility model relates to a liquid pumping device of a plate type sedimentation centrifuge.
Background
Since the 60 s of the 20 th century, centrifuges are widely applied to the industries of chemical industry, pharmacy, food, environmental protection and the like. In recent years, with the rapid development of market economy, the demand of high-performance centrifuges is increasing, especially in the traditional Chinese medicine and plant extraction industry. Meanwhile, nowadays when intelligence and environmental protection are advocated, the functional requirements of the market on the centrifuge are more and more diversified, and on the contrary, the demands of the decanter centrifuge are continuously increased, but the occupied share of the decanter centrifuge is lower compared with the whole centrifuge market, and centrifuge manufacturers are reluctant to invest a large amount of resources for research and development of the decanter centrifuge, so that the structure and the functions of the decanter centrifuge are always in a state of no delay for many years, and the decanter centrifuge still adopts a traditional three-foot manual feeding type, has the defects of incomplete functions, high labor intensity, low working efficiency, incapability of closed operation, high maintenance rate, incapability of cleaning residual solid materials in the centrifuge and the like, does not meet the national requirements on food and drug enterprises, and the state has proposed to stop using.
The core function of the sedimentation centrifuge is to realize solid-liquid separation in the rotary drum by utilizing high-speed rotation, the sedimentation centrifuge needs to utilize a liquid pumping device to pump out separated liquid raw materials, but the liquid pumping device of the existing sedimentation centrifuge usually adopts a straight pipe structure, the inlet of the liquid pumping device is fixed, the position cannot be adjusted, the sedimentation centrifuge cannot adapt to different types of separated raw materials, and the existing liquid pumping device needs manual adjustment, so that the labor intensity is high, and the operation difficulty is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a rational in infrastructure, flat sedimentation centrifuge's of sunction inlet position adjustable drawing liquid device is provided.
In order to solve the technical problem, the utility model provides a liquid pumping device of a flat plate type sedimentation centrifuge;
the device comprises a liquid taking pipe, a closed shell and a sliding piston, wherein the liquid taking pipe penetrates through the closed shell, the sealing is kept between the liquid taking pipe and the closed shell, the liquid taking pipe can move in a reciprocating mode relative to the closed shell, the front end of the liquid taking pipe extends out of the front side of the closed shell and is provided with a bend downwards, the front end of the liquid taking pipe is aligned to the upper portion of the inner wall of a rotary drum of the flat plate type sedimentation centrifuge, and the front end of the liquid taking pipe is provided;
the cavity is arranged between the closed shell and the side wall of the liquid taking pipe, the sliding piston is fixedly connected to the side wall of the liquid taking pipe and is positioned in the cavity, the sliding piston divides the cavity into a first cavity and a second cavity which are independent of each other, and the closed shell is respectively provided with air holes communicated with the first cavity and the second cavity.
After the structure is adopted, the first cavity and the second cavity of the closed shell are respectively connected with the high-pressure air source, the pressure in the first cavity is larger than that in the second cavity, the sliding piston overcomes the pressure of the second cavity and moves towards the rear side to drive the whole liquid taking pipe to move backwards, the liquid taking port of the liquid taking pipe is gradually close to the liquid material rotating at a high speed in the rotary drum, and the liquid material is taken out by the liquid taking pipe to complete liquid taking operation.
The utility model has the advantages of: the structure is reasonable, the position of a suction inlet (namely a liquid taking port of the liquid taking pipe) can be adjusted according to different stages of centrifugal operation, the centrifugal operation of the flat plate sedimentation centrifuge is not influenced during normal use, the liquid pumping operation requirement after the centrifugal operation can be met, the telescopic length of the liquid taking pipe is automatically adjusted, the operation difficulty is reduced, and the labor intensity of workers is reduced.
In order to understand the technical content of the present invention more clearly, the liquid pumping device of the flat plate type sedimentation centrifuge is simply referred to as the liquid pumping device below.
A reset cavity is further arranged in a closed shell of the liquid pumping device, the reset cavity is positioned on the front side of the cavity, a liquid taking pipe passes through the reset cavity, a fixed convex ring is fixedly connected to the side wall of the liquid taking pipe, the fixed convex ring is positioned in the reset cavity, a reset spring is further sleeved outside the liquid taking pipe, one end of the reset spring abuts against the rear end face of the fixed convex ring, and the other end of the reset spring abuts against the inner wall of the reset cavity; after adopting such structure, reset spring and the fixed bulge loop cooperation of liquid taking pipe provide a forward restoring force for the liquid taking pipe, and the liquid taking pipe receives spring force operation after removing at every turn and gets back to initial condition, avoids influencing next centrifugal operation.
A plurality of sealing rings are arranged between the closed shell of the liquid pumping device and the liquid taking pipe; after adopting such structure, the leakproofness of this drawing liquid device can be guaranteed to the sealing washer.
The closed shell of the liquid pumping device comprises a cylinder shell, a reset shell and a guide disc, wherein the cylinder shell and the reset shell are respectively and fixedly connected with the guide disc; after adopting such structure, the structure of closed shell is more concrete, more can satisfy this pumping device's design requirement.
The front end part of a liquid taking pipe of the liquid pumping device is sealed, and a liquid taking port is formed in the side wall of the sealed position of the front end of the liquid taking pipe; after adopting such structure, get the liquid mouth and set up on liquid taking pipe lateral wall, can utilize the centrifugal force entering liquid taking pipe when liquid is at flat sedimentation centrifuge's rotary drum internal rotation, flow out flat sedimentation centrifuge outside then, need not set up in addition and take out liquid power device.
Drawings
Figure 1 is a perspective view of an embodiment of the present fluid extraction device.
Figure 2 is a cross-sectional view of a schematic construction of an embodiment of the present fluid extraction device.
Detailed Description
As shown in fig. 1 to 2
The liquid pumping device comprises a liquid taking pipe 2, a closed shell 1 and a sliding piston 3.
The closed shell 1 comprises a cylinder shell 13, a reset shell 11 and a guide disc 12, the cylinder shell 13 and the reset shell 11 are fixedly connected with the guide disc 12 through threads respectively, the reset shell 11 is positioned on the front side of the cylinder shell 13, a reset cavity 11a is formed between the reset shell 11 and the guide disc 12, a cavity is formed between the cylinder shell 13 and the guide disc 12, the reset cavity 11a is positioned on the front side of the cavity, a connecting flange extends from the outer wall of the reset shell 11, a mounting seat 14 is further sleeved on the outer side of the reset shell 11, when the liquid pumping device is installed, the mounting seat 14 and the reset shell 11 penetrate through the outer wall of the flat-plate sedimentation centrifuge, a mounting flange matched with the connecting flange is arranged on the mounting seat 14, bolts penetrate through the mounting flange and the connecting flange and are matched with the outer wall of the flat-plate sedimentation centrifuge.
The liquid taking pipe 2 sequentially penetrates through the cylinder shell 13, the guide disc 12 and the reset shell 11 of the closed shell 1, the liquid taking pipe 2 and the closed shell are kept sealed, the liquid taking pipe 2 can move back and forth relative to the closed shell, the front end of the liquid taking pipe 2 extends out of the front side of the closed shell 1 and is downwards provided with a U-shaped bend 21, the front end of the liquid taking pipe 2 is aligned to the upper portion of the inner wall of the rotary drum of the flat plate type sedimentation centrifuge, the front end portion of the liquid taking pipe is of a sealing structure, a liquid taking opening 22 is formed in the side wall of the sealing position of the front end of the liquid taking pipe, and the rear end of the liquid taking.
The sliding piston 3 is fixedly welded on the side wall of the liquid taking pipe 2, is positioned in the cavity of the closed shell 1, divides the cavity into a first cavity 13a and a second cavity 13b which are independent of each other, and the closed shell 1 is respectively provided with air holes communicated with the first cavity 13a and the second cavity 13 b.
The liquid taking pipe 2 passes through the reset cavity 11a, the side wall of the liquid taking pipe 2 is welded with the fixed convex ring 23, the fixed convex ring 23 is positioned in the reset cavity 11a, the liquid taking pipe 2 is further sleeved with the reset spring 4, one end of the reset spring 4 is abutted against the rear end face of the fixed convex ring 23, and the other end of the reset spring 4 is abutted against the inner wall of the reset cavity 11 a.
In an initial state, the liquid taking port 22 of the liquid taking pipe 2 is farthest away from the inner wall of the rotary drum of the flat plate type sedimentation centrifuge, and the liquid taking pipe 2 does not influence the normal centrifugal operation of the flat plate type sedimentation centrifuge.
When the liquid taking device is used, the first cavity 13a and the second cavity 13b of the closed shell 1 are respectively connected with a high-pressure air source through air holes, the pressure in the first cavity 13a is larger than the pressure in the second cavity 13b, the sliding piston 3 overcomes the pressure of the second cavity 13b and the elastic force of the return spring 4 to move towards the rear side, the whole liquid taking pipe 2 is driven to move backwards, the liquid taking port 22 of the liquid taking pipe 2 gradually approaches to liquid materials rotating at a high speed in the rotary drum, the liquid materials are taken away by the liquid taking pipe 2, and after liquid taking operation is completed, the liquid taking pipe 2 is acted by the return spring 4 to return to the initial state again.
The above description is only one embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and improvements can be made without departing from the principle of the present invention, and these should also be considered as belonging to the protection scope of the present invention.
Claims (6)
1. A liquid pumping device of a flat plate type sedimentation centrifuge is characterized in that:
the device comprises a liquid taking pipe, a closed shell and a sliding piston, wherein the liquid taking pipe penetrates through the closed shell, the sealing is kept between the liquid taking pipe and the closed shell, the liquid taking pipe can move in a reciprocating mode relative to the closed shell, the front end of the liquid taking pipe extends out of the front side of the closed shell and is provided with a bend downwards, the front end of the liquid taking pipe is aligned to the upper portion of the inner wall of a rotary drum of the flat plate type sedimentation centrifuge, and the front end of the liquid taking pipe is provided;
the cavity is arranged between the closed shell and the side wall of the liquid taking pipe, the sliding piston is fixedly connected to the side wall of the liquid taking pipe and is positioned in the cavity, the sliding piston divides the cavity into a first cavity and a second cavity which are independent of each other, and the closed shell is respectively provided with air holes communicated with the first cavity and the second cavity.
2. The liquid extraction apparatus for a plate decanter centrifuge of claim 1, further comprising:
still be equipped with the cavity that resets in the closed shell, the cavity that resets is in the cavity front side, and the liquid intaking pipe is through the cavity that resets, and the fixed bulge loop of liquid intaking pipe lateral wall fixedly connected with, fixed bulge loop are in the cavity that resets, and the liquid intaking pipe still overlaps outward and is equipped with reset spring, and reset spring one end supports and leans on at fixed bulge loop rear end face, and the reset spring other end supports and leans on the inner wall that resets the cavity.
3. The liquid extraction apparatus for a plate decanter centrifuge of claim 2, further comprising:
the end part of the liquid taking pipe body far away from one side of the main pipe body is sealed, and the side wall of the sealing position at the front end of the liquid taking pipe is provided with a liquid taking port.
4. The liquid extraction apparatus for a plate decanter centrifuge of claim 1, further comprising:
a plurality of sealing rings are arranged between the closed shell and the liquid taking pipe.
5. The liquid extraction apparatus for a plate decanter centrifuge of claim 2, further comprising:
the closed shell comprises a cylinder shell body, a reset shell body and a guide disc, the cylinder shell body and the reset shell body are fixedly connected with the guide disc respectively, the reset shell body is positioned on the front side of the cylinder shell body, a liquid taking pipe sequentially penetrates through the cylinder shell body, the guide disc and the reset shell body, a reset cavity is formed between the reset shell body and the guide disc, and a cavity is formed between the closed shell body and the guide disc.
6. The liquid extraction apparatus for a plate decanter centrifuge of claim 1, further comprising:
the front end of the liquid taking pipe is sealed, and a liquid taking opening is formed in the side wall of the sealing position of the front end of the liquid taking pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922003334.5U CN210965547U (en) | 2019-11-19 | 2019-11-19 | Liquid pumping device of flat plate type sedimentation centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922003334.5U CN210965547U (en) | 2019-11-19 | 2019-11-19 | Liquid pumping device of flat plate type sedimentation centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210965547U true CN210965547U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922003334.5U Active CN210965547U (en) | 2019-11-19 | 2019-11-19 | Liquid pumping device of flat plate type sedimentation centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210965547U (en) |
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2019
- 2019-11-19 CN CN201922003334.5U patent/CN210965547U/en active Active
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