CN211097872U - Filter capable of automatically scraping slag - Google Patents
Filter capable of automatically scraping slag Download PDFInfo
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- CN211097872U CN211097872U CN201920738017.5U CN201920738017U CN211097872U CN 211097872 U CN211097872 U CN 211097872U CN 201920738017 U CN201920738017 U CN 201920738017U CN 211097872 U CN211097872 U CN 211097872U
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Abstract
The utility model relates to a can scrape filter of sediment automatically, include: the machine frame is provided with a bottom plate rotator used for carrying out telecentric separation on the liquid to be processed, a scraper used for scraping off sludge attached to the inner side wall of the rotator due to the telecentric separation, a discharge port penetrating through the bottom plate and used for discharging the sludge, a shutter system used for opening and closing the discharge port, the shutter system comprises a shutter and a second driving device used for deflecting the shutter, and the upper part of the shutter is provided with a scraping device used for scraping the sludge at the top of the shutter and is suitable for scraping the sludge at the top of the shutter into the discharge port when the shutter deflects. An object of the utility model is to provide a can scrape filter of sediment automatically, at the in-process that the shutter was opened, scraping device keeps motionless, can stop the sludge formation of shutter top, and then makes the sludge fall into the discharge port, and fundamentally has stopped piling up of shutter top sludge, has guaranteed going on smoothly of filter continuity of operation.
Description
Technical Field
The utility model relates to a can scrape filter of sediment automatically, especially a filter that is used for carrying out telecentric separation to the solid-liquid composition who is contained in the solid-liquid mixture can strike off the sludge automatically behind shutter top siltation sludge.
Background
The filter is mainly used for separating solid particles from liquid in the suspension; or separating two immiscible liquids with different densities in the emulsion; it can also be used to remove liquids from wet solids, such as by spin drying clothes in a washing machine; the special overspeed tubular separator can also separate gas mixtures with different densities, such as enriched and separated gaseous uranium hexafluoride; some settling centrifuges can also grade solid particles according to density or granularity by utilizing the characteristic that solid particles with different densities or granularities have different settling speeds in liquid. The filter is widely applied to chemical, petroleum, food, pharmacy, ore dressing, coal, water treatment, ships and other departments.
During the telecentric separation, sludge adheres to the inner side walls of the rotating bodies of the filter due to centrifugation. After the completion of the telecentric separation, it is necessary to scrape off the attached sludge with a scraper and discharge the sludge from the bottom of the rotating body to the outside of the rotating body. Generally, when sludge is discharged, the discharge port is opened by rotating the shutter directly, thereby facilitating the discharge of the sludge.
However, when the solid impurities in the filtered liquid are sticky impurities (for example, paint sewage, sludge in lubricating oil, paint is sticky, and sludge is sticky), the impurities adhere to the scraper and cannot fall off, or in a device with an air knife, the air knife cannot blow off, and after a set deslagging time, the shutter is closed, but sticky residues also adhere to the scraper, and at this time, the centrifuge enters the next stage: in the cleaning stage, a water pump of the centrifuge sprays a large amount of filtered media to the interior of the centrifuge and the scraper through a water spray nozzle, and after viscous slag adhered to the scraper contacts a large amount of filtered media, the viscosity is reduced, and the viscous slag can fall off from the scraper and fall on the shutter; the impurities adhered to the scraper can not fall off in the cleaning stage, but fall off in the centrifugal filtering stage in the next stage after the cleaning stage, but the shutter is closed in the stage, falls off and falls on the shutter, and the impurities on the shutter are accumulated more and more, thereby affecting the normal working operation of the centrifuge!
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can scrape filter of sediment automatically, at the in-process that the shutter was opened, scraping device keeps motionless, can stop the sludge formation of shutter top, and then makes the sludge fall into the discharge port, and fundamentally has stopped piling up of shutter top sludge, has guaranteed going on smoothly of filter continuity of operation.
The utility model provides a technical scheme that its technical problem adopted is: a filter capable of automatically scraping slag comprises:
a frame having a bottom plate
A rotating body for performing telecentric separation of the liquid to be processed,
a scraper for scraping off sludge attached to the inner side wall of the rotating body due to the telecentric separation,
a discharge port penetrating the bottom plate for discharging sludge,
a shutter system for opening and closing the discharge port, the shutter system including a shutter and a second driving device for deflecting the shutter,
the shutter is provided at its upper part with a scraping device for scraping sludge from the top of the shutter, adapted to scrape sludge from the top of the shutter into the discharge opening when the shutter is deflected.
The treatment target liquid may be used coolant (liquid), lubricating oil, cutting fluid, used polishing slurry, polishing fluid, or other recyclable liquid containing additives, but is not limited thereto.
Specifically, the shutter system further comprises a first driving device for driving the shutter to move up and down.
In particular, the scraping means is a baffle located on the deflecting side of the shutter.
In particular, the scraping device is a collar.
Specifically, the diameter of the check ring is not smaller than the minimum diameter of the rotating body, and the diameter of the check ring is not larger than the diameter of the shutter.
Specifically, the check ring is a telescopic check ring.
Specifically, the scraping device is a check ring which is hinged in the filter and can move along with the upward and downward movement of the shutter.
Specifically, a baffle for preventing the position of the retainer ring from being lower than the shutter is fixedly arranged on the retainer ring.
Specifically, a rotating shaft convenient for rotating the shutter is fixedly arranged at one edge of the shutter, the first driving device and the second driving device are both arranged below the bottom plate, and the rotating shaft penetrates through the bottom plate and is fixedly connected with the first driving device.
Wherein the shutter can be through other transition fixing device and axis of rotation fixed connection, and the axis of rotation setting is in one side of discharge port, and first drive arrangement can be with axis of rotation jack-up, and the shutter rotates through revolving the axis of rotation and carries out the switching discharge port.
Specifically, a connecting sleeve is fixed on the rotating shaft, and the rotating shaft is hinged to the second driving device through the connecting sleeve.
In order to ensure the rotation angle of the rotation shaft, the second driving device is not directly connected with the rotation shaft, but is connected with the rotation shaft through a connecting sleeve, and when the second driving device moves, the connecting sleeve is driven to rotate by taking the axis of the rotation shaft as the center, so that the rotation shaft is driven to rotate.
Specifically, the second driving device is a hydraulic cylinder or an air cylinder, a cylinder barrel of the hydraulic cylinder or the air cylinder is hinged with the rack, and a piston rod of the hydraulic cylinder or the air cylinder is hinged with the connecting sleeve.
Specifically, a piston rod of the hydraulic cylinder or the air cylinder is hinged with the connecting sleeve through a universal joint.
In order to ensure that the hydraulic cylinder or the air cylinder has enough flexibility in the up-down left-right direction when moving, the cylinder barrel of the hydraulic cylinder or the air cylinder is hinged with the frame through a universal joint.
Specifically, the first driving device is a hydraulic cylinder or an air cylinder which is vertically arranged below the bottom plate.
Specifically, the rotating shaft is further sleeved with a shaft sleeve, the shaft sleeve is connected with the bottom plate in a sealing mode, and the distance between the upper surface of the shaft sleeve and the bottom plate is 1-20 cm.
The liquid accumulated on the bottom plate around the discharge port can be prevented from flowing out from the space between the rotating shaft and the shaft sleeve, and the shaft sleeve is required to be higher than the bottom plate by a part, and is preferably 1-20cm generally.
In particular, the shutter is a cone-shaped shutter.
Wherein the shape of the shutter can be various shapes, with a conical shape being preferred.
In particular, the shutter edge has a blind.
It is ensured that a part of the liquid dripping from the rotating body is left along the shutter and the blind and does not flow into the discharge port along the bottom surface of the shutter.
The utility model has the advantages that: the utility model provides a pair of can scrape filter of sediment automatically, at the in-process that the shutter was opened, scraping device keeps motionless, can stop the sludge formation of shutter top, and then makes the sludge fall into the discharge port, and fundamentally has stopped piling up of shutter top sludge, has guaranteed going on smoothly of filter continuity of operation.
The utility model provides a pair of can scrape filter of sediment automatically, the retaining ring is flexible retaining ring, can be suitable for the shutter of the shape at different tops, and when the shutter top was the toper, the shutter deflected, and the retaining ring can stretch out and draw back along with the deflection of shutter to the retaining ring is in the state with the shutter contact always, can guarantee that unnecessary sludge is whole to fall in the shutter top.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic cross-sectional view of a filter with automatic slag scraping function according to the present invention;
fig. 2 is a perspective view of the shutter system of the present invention.
Fig. 3 is a schematic structural view of the baffle scraping device of the present invention.
Fig. 4 is a schematic view of the scraping structure of the baffle scraping device of the present invention.
Fig. 5 is a schematic structural view of the retainer scraping device of the present invention.
Fig. 6 is a schematic view of the scraping structure of the retainer scraping device of the present invention.
Fig. 7 is a schematic view of the structure of the baffle scraping device of the present invention cooperating with the lifting shutter.
Fig. 8 is a schematic view of the structure of the retainer scraping device of the present invention cooperating with the lifting shutter.
Fig. 9 is a schematic structural view of the scraping device for the retractable retaining ring of the present invention.
Fig. 10 is a schematic view of the scraping structure of the scraping device for the retractable retaining ring of the present invention.
Fig. 11 is a schematic view of the scraping structure of the connecting rod connecting retainer scraping device of the present invention.
Fig. 12 is a schematic view of a preferred scraping structure of the connecting rod connecting retainer scraping device of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention. The piston motion direction is the up direction, the opposite direction is the down direction, and the plane perpendicular to the up direction is the horizontal plane.
As shown in fig. 1, a filter capable of automatically scraping slag comprises:
a frame I having a bottom plate I-1
A rotating body 1 for performing telecentric separation of a liquid to be processed,
a scraper 2 for scraping off sludge attached to the inner side wall of the rotating body 1 by the telecentric separation,
a discharge port 74 penetrating the bottom plate I-1 for discharging sludge,
a shutter system 8 for opening and closing the discharge port 74,
the shutter system 8 comprises a shutter 81, and a second drive 83 for deflecting the shutter 81,
the shutter 81 is provided at its upper part with a scraping device for scraping sludge on top of the shutter 81, adapted to scrape sludge on top of the shutter 81 into the discharge opening 74 when the shutter 81 is deflected.
In one embodiment, shutter system 8 further includes a first drive mechanism 82 for driving shutter 81 up and down.
The rotating body 1 comprises a rotating body 11 and a cover plate 12, wherein an upper opening 13 and a lower opening 14 of the rotating body 11 are formed, the diameter of the upper opening 13 is larger than that of the lower opening 14, and the diameter of any position between the upper opening 13 and the lower opening 14 is not larger than that of any position on the upper portion of the upper opening. That is, the tapered rotor body 11 may be the tapered rotor body 11, the tapered rotor body 11 having an excessive arc may be the rotor body 11 having a tapered shape and a cylindrical shape, or the tapered rotor body 11 having an excessive arc may be the rotor body 11 having a tapered shape and a cylindrical shape, provided that the diameter of the upper opening 13 is larger than that of the lower opening 14, and the diameter of any portion between the upper opening 13 and the lower opening 14 is not larger than that of any portion at the upper portion.
Wherein, the cover plate 12 is provided with a plurality of overflow ports 15 which are convenient for the separated liquid to overflow when rotating at high speed.
The treatment target liquid may be used coolant (liquid), lubricating oil, cutting fluid, used polishing slurry, polishing fluid, or other recyclable liquid containing additives, but is not limited thereto.
In one embodiment, a rotating shaft 84 is fixedly arranged at one edge of the shutter 81 to facilitate the rotation of the shutter 81, the first driving device 82 and the second driving device 83 are both arranged below the bottom plate I-1, and the rotating shaft 84 penetrates through the bottom plate I-1 to be fixedly connected with the first driving device 82.
The shutter 81 may be fixedly connected to the rotation shaft 84 through another transitional fixing device, the rotation shaft 84 is disposed at one side of the discharge port 74, the rotation shaft 84 may be pushed up by the first driving device 82, and the shutter 81 opens and closes the discharge port by rotating around the rotation shaft 84.
In one embodiment, a connecting sleeve 85 is fixed on the rotating shaft 84, and the rotating shaft 84 is hinged with the second driving device 83 through the connecting sleeve 85.
In order to ensure the rotation angle of the rotation shaft 84, the second driving device 83 is not directly connected to the rotation shaft 84, but is connected to the rotation shaft 84 through a connecting sleeve 85, and when the second driving device 83 moves, the connecting sleeve 85 is driven to rotate around the axis of the rotation shaft 84, so as to drive the rotation shaft 84 to rotate. The connection sleeve 85 may be a connection rod 852 comprising a sleeve 851 and a connection rod 852 perpendicularly fixedly connected with the sleeve 851, wherein the sleeve 851 is sleeved on the rotation shaft 84 and fixed with the rotation shaft 84 by a screw 853, and one end of the connection rod 852 is fixed (may be welded) on the outer side wall of the sleeve 851 and one end is hinged with the second driving device 83.
In a specific embodiment, the second driving device 83 is a hydraulic cylinder or an air cylinder, a cylinder barrel of the hydraulic cylinder or the air cylinder is hinged to the frame I, and a piston rod of the hydraulic cylinder or the air cylinder is hinged to the connecting sleeve 85. In this particular embodiment, the second driving device 83 is a cylinder.
In one embodiment, the cylinder barrel of the cylinder is articulated to the frame I by a universal joint 86. It is ensured that the first driving device 82 leaves a certain space for the second driving device 83 to move when the rotating shaft 84 is driven by the first driving device to move upwards.
In one embodiment, the piston rod of the hydraulic or pneumatic cylinder is articulated to the connecting sleeve 85 by means of a universal joint 86. When the cylinder piston rod drives the connecting sleeve 85 to rotate around the axis of the rotating shaft 84, the end of the piston rod makes circular motion and is connected through the universal joint 86, so that the end of the piston rod has a certain movement margin and is not locked.
In one embodiment, the first drive mechanism 82 is a hydraulic or pneumatic cylinder disposed vertically below the floor I-1. In this particular embodiment, the first drive device 82 is preferably a pneumatic cylinder. The first driving device 82 is fixedly connected with the bottom plate I-1 through a hanging plate 89
In one embodiment, the rotating shaft 84 is further sleeved with a bushing 87, the bushing 87 is hermetically connected with the bottom plate I-1, and the distance between the upper surface of the bushing 87 and the bottom plate I-1 is 1-20 cm.
The liquid accumulated on the bottom plate around the discharge port 74 is prevented from flowing out from between the rotary shaft 84 and the boss 87, and the boss 87 must be higher than the bottom plate I-1 by a part, generally 1-20 cm. In this embodiment, the distance between the upper surface of the boss 87 and the bottom plate I-1 is 15cm
In one embodiment, shutter 81 is a tapered shutter.
In one embodiment, the edge of the shutter 81 has a blind 88.
Of course, the filter further includes a nozzle 71 for spraying the liquid to be treated into the rotary body 1, a collection port 72 for collecting the separated liquid, and a control box 75 for controlling the operation of the centrifuge.
After the telecentric separation is finished, the rotating speed of the rotating body 1 is gradually reduced, when the rotating speed is reduced to a lower speed, at this time, the rotating body 1 rotates at a low speed, the air cylinder (the first driving device 82) is started to jack the shutter 81, the air cylinder (the second driving device 83) is started, when the second driving device 83 moves, the connecting sleeve 85 is driven to rotate by taking the axis of the rotating shaft 84 as the center, and then the rotating shaft 84 is driven to rotate, so that the shutter 81 deviates from the discharge port 74, at this time, the scraper 2 is close to the inner side wall of the rotating body 1, the slag on the inner side wall of the rotating body 1 is scraped, and the slag falls off, and is discharged out.
In one embodiment, as shown in FIG. 3, the scraping device is a baffle 9 located at the top of the shutter 81 and on the deflection side of the shutter 81, the baffle 9 is fixed inside the filter by a fixing post 91, and can be the inner side wall of the outer cylinder of the filter, or the bottom plate I-1 inside the filter, or any other place where the baffle 9 can be fixed by the fixing post 91, when the shutter 81 is stacked on the top of the shutter, the baffle 9 is fixed and stops moving on the slag D when the shutter 81 rotates around the rotation axis C, so that the slag D is transferred into the discharge port 74, and the scraping of the slag D on the top of the shutter 81 is completed, as shown in FIG. 4.
In one embodiment, as shown in FIG. 5, the scraping device is a retainer ring 9 located on the top of the shutter 81, the retainer ring 9 is fixed inside the filter by a fixing post 91, which may be the inner side wall of the outer casing of the filter, or the bottom plate I-1 inside the filter, or any other place where the retainer ring 9 can be fixed by the fixing post 91, when the shutter 81 is stacked with the slag D, the retainer ring 9 is fixed and stops moving the slag D when the shutter 81 rotates around the rotation axis C, so that the slag D is transferred into the discharge port 74, and the scraping of the slag D on the top of the shutter 81 is completed, as shown in FIG. 6.
In one embodiment, when the shutter system 8 further comprises a first driving device 82 for driving the shutter 81 to move up and down, as shown in FIG. 7, the scraping device is a retainer ring 9 located at the top of the shutter 81, the retainer ring 9 is fixed inside the filter by a fixing post 91, and may be the inner side wall of the outer casing of the filter, or the bottom plate I-1 inside the filter, or any other place where the retainer ring 9 can be fixed by the fixing post 91, wherein a space for the shutter 81 to move up and down is left between the retainer ring 9 and the shutter 81, after the slag D is accumulated on the shutter 81, when the shutter 81 moves up to the retainer ring 9, the retainer ring 9 is fixed and blocks the movement of the slag D when the shutter 81 rotates around the rotation axis C, so that the slag D is transferred into the discharge port 74, and the scraping of the slag D at the top of the shutter 81 is completed, as shown in FIG. 8.
In one embodiment, when the shutter system 8 further comprises a first driving device 82 for driving the shutter 81 to move up and down, as shown in FIG. 9, the scraping device is a retractable retainer 9 located at the top of the shutter 81, the retractable retainer 9 is fixed inside the filter by a fixing post 91, and can be the inner side wall of the outer cylinder of the filter, or the bottom plate I-1 inside the filter, or any other place where the retractable retainer 9 can be fixed by the fixing post 91, wherein a space for the shutter 81 to move up and down is left between the retractable retainer 9 and the shutter 81, when the shutter 81 is in the closed state, the retractable retainer 9 will be in the stretched state due to the gravity, when the slag D is accumulated on the shutter 81, the slag D can be effectively prevented from overflowing from the gap between the retainer 9 and the shutter 81, when the shutter 81 moves up to the retractable retainer 9, the retractable retainer 9 is in the compressed state, when the shutter 81 rotates around the rotation axis C, the retainer ring 9 is fixed and stops the movement of the slag D, so that the slag D is transferred into the discharge port 74, and the scraping off of the slag D from the top of the shutter 81 is completed, as shown in FIG. 10.
In one embodiment, whether the retainer ring 9 is a common retainer ring or a telescopic retainer ring, the diameter of the retainer ring 9 is not smaller than the diameter of the lower tapered opening of the rotating body 1, and the diameter of the retainer ring 9 is not larger than the diameter of the shutter 81. If the shutter 81 is non-circular, the retainer ring 9 is required to be placed on the shutter 81, so that the retainer ring 9 is free from hollowing.
In one embodiment, as shown in FIG. 11, the scraping device is a retainer ring 9 located at the top of the shutter 81, the retainer ring 9 is fixed inside the filter by a connecting rod 92, and can be the inner side wall of the outer casing of the filter, or the bottom plate I-1 inside the filter, or any other place where the retainer ring 9 can be fixed by the connecting rod 92, when the shutter 81 is deposited with the slag D, the retainer ring 9 can move upward along with the shutter 81 when the shutter 81 moves upward, and when the shutter 81 rotates around the rotation axis C, the retainer ring 9 is fixed and stops moving along with the slag D, so that the slag D is transferred into the discharge port 74, completing the scraping of the slag D at the top of the shutter 81, and when the sludge D is removed, the shutter 81 returns to the position above the discharge port 74 and moves downward, and the retainer ring 9 moves downward along with the shutter 81 due to the gravity.
In one embodiment, as shown in fig. 12, a stop piece 93 for preventing the position of the retainer 9 from being lower than the shutter 81 is fixedly arranged on the retainer 9.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so 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.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A filter capable of automatically scraping slag comprises:
a frame having a bottom plate
A rotating body for performing telecentric separation of the liquid to be processed,
a scraper for scraping off sludge attached to the inner side wall of the rotating body due to the telecentric separation,
a discharge port penetrating the bottom plate for discharging sludge,
a shutter system for opening and closing the discharge port, the shutter system including a shutter and a second driving device for deflecting the shutter,
the method is characterized in that: the shutter is provided at its upper part with a scraping device for scraping sludge from the top of the shutter, adapted to scrape sludge from the top of the shutter into the discharge opening when the shutter is deflected.
2. The filter capable of automatically scraping slag according to claim 1, wherein: the shutter system further includes a first driving device for driving the shutter to move up and down.
3. A filter with automatic slag scraping function as claimed in claim 1 or 2, wherein: the scraping device is a baffle plate positioned on the deflection side of the shutter.
4. A filter with automatic slag scraping function as claimed in claim 1 or 2, wherein: the scraping device is a check ring.
5. A filter according to claim 4, wherein the filter is adapted to scrape slag automatically, and comprises: the diameter of the check ring is not smaller than the minimum diameter of the rotating body, and the diameter of the check ring is not larger than the diameter of the shutter.
6. A filter according to claim 5, wherein the filter is adapted to scrape slag automatically, and comprises: the check ring is a telescopic check ring.
7. The filter capable of automatically scraping slag according to claim 2, wherein: the scraping device is a check ring which is hinged in the filter and can move along with the upward and downward movement of the shutter.
8. The filter capable of scraping slag automatically according to claim 7, wherein: and a baffle for preventing the position of the check ring from being lower than the shutter is fixedly arranged on the check ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920738017.5U CN211097872U (en) | 2019-05-22 | 2019-05-22 | Filter capable of automatically scraping slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920738017.5U CN211097872U (en) | 2019-05-22 | 2019-05-22 | Filter capable of automatically scraping slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211097872U true CN211097872U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920738017.5U Active CN211097872U (en) | 2019-05-22 | 2019-05-22 | Filter capable of automatically scraping slag |
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| Country | Link |
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| CN (1) | CN211097872U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999556A (en) * | 2019-05-22 | 2019-07-12 | 朱琳 | Can automatic scraping slag filter |
| TWI781727B (en) * | 2021-08-16 | 2022-10-21 | 麥芝事業有限公司 | Chip filter |
| CN118001927A (en) * | 2024-04-10 | 2024-05-10 | 华晋瑞海科技有限公司 | Tank type ultrafiltration equipment |
-
2019
- 2019-05-22 CN CN201920738017.5U patent/CN211097872U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999556A (en) * | 2019-05-22 | 2019-07-12 | 朱琳 | Can automatic scraping slag filter |
| CN109999556B (en) * | 2019-05-22 | 2024-09-24 | 常州金骆驼机电设备有限公司 | Filter capable of automatically scraping slag |
| TWI781727B (en) * | 2021-08-16 | 2022-10-21 | 麥芝事業有限公司 | Chip filter |
| CN118001927A (en) * | 2024-04-10 | 2024-05-10 | 华晋瑞海科技有限公司 | Tank type ultrafiltration equipment |
| CN118001927B (en) * | 2024-04-10 | 2024-06-11 | 华晋瑞海科技有限公司 | Tank type ultrafiltration equipment |
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