CN117815755A - Filtering device for extracting traditional Chinese medicine - Google Patents
Filtering device for extracting traditional Chinese medicine Download PDFInfo
- Publication number
- CN117815755A CN117815755A CN202410240733.6A CN202410240733A CN117815755A CN 117815755 A CN117815755 A CN 117815755A CN 202410240733 A CN202410240733 A CN 202410240733A CN 117815755 A CN117815755 A CN 117815755A
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- suction
- chinese medicine
- cleaning
- filter
- extraction
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- 238000001914 filtration Methods 0.000 title claims abstract description 50
- 239000003814 drug Substances 0.000 title claims abstract description 37
- 238000004140 cleaning Methods 0.000 claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000000605 extraction Methods 0.000 claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 12
- 239000012535 impurity Substances 0.000 description 9
- 238000004804 winding Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229940126680 traditional chinese medicines Drugs 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the technical field of traditional Chinese medicine extraction, in particular to a filtering device for traditional Chinese medicine extraction. The filtering device for extracting the traditional Chinese medicine comprises a filtering device main body, wherein a filtering disc is rotatably connected inside the filtering device main body, a cleaning component is arranged on the lower side of the filtering disc, a suction component is arranged on the upper side of the filtering disc, and the suction component is arranged right above the cleaning component; the suction assembly comprises a suction shell, the lower end of the suction shell is connected with two support plates, the two support plates are provided with two opposite auxiliary plates, the auxiliary plates are arc-shaped, the end parts of the auxiliary plates are in sealing contact with the support plates, and one end of each auxiliary plate is located at the lower side of an opening of the suction shell. The suction component and the cleaning component can effectively improve the cleaning efficiency of the filter disc, avoid shutdown cleaning and reduce the cleaning workload.
Description
Technical Field
The invention relates to the technical field of traditional Chinese medicine extraction, in particular to a filtering device for traditional Chinese medicine extraction.
Background
The extraction of traditional Chinese medicine is the primary link of traditional Chinese medicine manufacture, in the process of extracting the traditional Chinese medicine, the extracting solution needs to be continuously refluxed and concentrated, in the process of concentrating the traditional Chinese medicine liquid, the traditional Chinese medicine liquid needs to be filtered, and dregs in the traditional Chinese medicine liquid are filtered.
After the traditional Chinese medicine extracting filter device is used for a period of time, the filter holes of the traditional Chinese medicine extracting filter device are easy to be blocked by dregs and other impurities, so that the filtering efficiency is influenced, and the concentration efficiency of the traditional Chinese medicine liquid is further influenced. The conventional solution is to stop and clean the device, and the filtering holes need to be cleaned one by one in the cleaning process, so that the operation is inconvenient.
Therefore, the application provides a filtering device for traditional Chinese medicine extraction, solves the problems that in the prior art, the filtering holes of the filtering device for traditional Chinese medicine extraction are easy to block and difficult to clean, and improves the cleaning efficiency.
Disclosure of Invention
In order to solve the problems, the invention provides a filtering device for extracting traditional Chinese medicines.
The technical scheme adopted for solving the technical problems is as follows: the filtering device for extracting the traditional Chinese medicine comprises a filtering device main body, wherein a filtering disc is rotatably connected inside the filtering device main body, a cleaning component is arranged on the lower side of the filtering disc, a suction component is arranged on the upper side of the filtering disc, and the suction component is arranged right above the cleaning component;
the suction assembly comprises a suction shell, the lower end of the suction shell is connected with two support plates, the two support plates are provided with two opposite auxiliary plates, the auxiliary plates are arc-shaped, the end parts of the auxiliary plates are in sealing contact with the support plates, and one end of each auxiliary plate is located at the lower side of an opening of the suction shell.
As optimization, the inside of filter equipment main part is equipped with the spacing ring, the filter disc with the spacing ring rotates to be connected, clearance subassembly is connected in the inner circle of spacing ring, suction subassembly connects in the upside of spacing ring.
As optimization, the cleaning assembly comprises a fixing rod and a cleaning comb, wherein the fixing rod is horizontally fixed on the lower side of the filter disc, the cleaning comb is positioned on the upper side of the fixing rod, the lower part of the cleaning comb is connected with a supporting rod, and the supporting rod is in sliding connection with the fixing rod;
the upper portion of the cleaning comb comprises a plurality of cleaning teeth, and the cleaning teeth are arranged towards the filtering holes of the filtering disc.
As optimization, the bottom of clearance comb is connected with the guide bar, the guide bar with dead lever sliding connection, the lower extreme of guide bar is equipped with spacing end piece, and the outside cover of guide bar is equipped with reset spring, reset spring be located the dead lever with between the spacing end piece.
As optimization, the lower extreme of bracing piece is connected with the drive rope, and the downside of dead lever is equipped with the guide ring, and the inside rolling motor that is equipped with of shell of filter equipment main part, the one end of drive rope pass the guide ring with the rolling hub connection of rolling motor.
As the optimization, the upper end of suction shell is connected with the suction tube, is connected with the suction pump on the suction tube, the lower part of suction shell is involute, the opening width of suction shell is greater than the filtration pore diameter of filter disc, the opening length direction of suction shell is connected with the sealing strip, the upside of sealing strip is connected with driving motor, driving motor's output shaft with the accessory plate links firmly.
As an optimization, the outer side of the auxiliary plate is an arc surface, the lowest part of the auxiliary plate is in contact with the upper surface of the filter disc, and the minimum distance between the opposite sides of the two auxiliary plates is 0.
Preferably, the bottom surface of the support plate is in contact with the bottom surface of the filter disc, and the lower end of the suction housing is in contact with the inner side surface of the support plate.
The filtering device for extracting the traditional Chinese medicine has the following beneficial effects:
according to the filter device, the suction assembly is arranged on the upper side of the filter disc, the cleaning assembly is arranged on the lower side of the filter disc, the blockage cleaned out of the filter hole is sucked through the suction assembly, the blockage is directly sucked out, the auxiliary plate is arranged on the lower side of the suction shell, the suction force of the suction shell to impurities in the filter hole can be ensured, the suction effect is ensured, more liquid medicine can be prevented from being sucked out, and the waste of the liquid medicine is avoided;
the suction component and the cleaning component can effectively improve the cleaning efficiency of the filter disc, avoid shutdown cleaning and reduce the cleaning workload.
Drawings
Fig. 1 is an isometric view of the present invention.
Fig. 2 is a bottom isometric view of the invention.
Fig. 3 is an enlarged schematic view of the portion D of fig. 1 according to the present invention.
Fig. 4 is a schematic top view of the present invention.
FIG. 5 is a schematic view of the structure of FIG. 4, cut A-A, according to the present invention.
FIG. 6 is a schematic view of the B-B cut-away structure of FIG. 4 according to the present invention.
Fig. 7 is an enlarged view showing the structure of the auxiliary board in the attached state according to the first embodiment of the present invention.
Fig. 8 is an enlarged schematic view of the sealing state of the auxiliary plate according to the first embodiment of the present invention.
Fig. 9 is an enlarged view showing a close-up state of the auxiliary plate according to the second embodiment of the present invention.
Fig. 10 is an enlarged view showing a sealing state of an auxiliary plate according to the second embodiment of the present invention.
Wherein, 1, a filter device main body, 2, a filter disc, 3, a suction shell, 4, a supporting plate, 5, an auxiliary plate, 6, a limiting ring, 7, a fixed rod, 8, a cleaning comb, 9 and a supporting rod, 10, a guide rod, 11, a driving rope, 12, a suction pipe, 13, a suction pump, 14, a sealing strip, 15, a driving motor, 16, an elastic belt, 17, a telescopic rod, 18 and an elastic sheet.
Detailed Description
As shown in fig. 1 to 10, the filtering device for extracting traditional Chinese medicine comprises a filtering device main body 1, wherein a filtering disc 2 is rotatably connected in the filtering device main body 1, a cleaning component is arranged on the lower side of the filtering disc 2, a suction component is arranged on the upper side of the filtering disc 2, and the suction component is arranged right above the cleaning component;
the suction assembly comprises a suction housing 3, two support plates 4 are connected to the lower end of the suction housing 3, two opposite auxiliary plates 5 are arranged on the two support plates 4, the auxiliary plates 5 are arc-shaped, the end parts of the auxiliary plates 5 are in sealing contact with the support plates 4, and one ends of the auxiliary plates 5 are located on the lower side of an opening of the suction housing 3.
As shown in fig. 7, in the first embodiment, the auxiliary plates 5 are arc-shaped, and the two auxiliary plates 5 are symmetrically arranged along the longitudinal symmetry plane of the suction housing 3.
As shown in fig. 9, in the second embodiment, the auxiliary plate 5 includes an elastic band 16 provided at the outside and an arc-shaped elastic piece 18 provided at the inside; wherein, at least two elastic sheets 18 are arranged, and the middle part of the elastic sheet 18 is connected with a telescopic rod 17;
the upper side of the elastic band 16 is provided with a fixed seat, the fixed end of the telescopic rod 17 is fixedly connected with the fixed seat, and the extension end of the telescopic rod 17 is connected with the middle part of the elastic sheet 18. The middle part of the elastic sheet 18 is connected with a supporting shaft, and the elastic band 16 is connected to the outside of the supporting shaft.
The elastic sheet 18 may be an elastic iron sheet, and when the installation width is fixed, the middle part of the elastic sheet 18 is pushed and pulled to enable the elastic sheet 18 to be bent upwards or downwards, so that the elastic belt 16 is in an arc state, and the same effect as the auxiliary plate 5 is achieved. Other structures for realizing the functions of the auxiliary board 5 can be used, and detailed descriptions thereof are omitted.
As shown in fig. 1 and 2, a limiting ring 6 is disposed on the inner side of the main body 1 of the filtering device, the filtering disc 2 is rotatably connected with the limiting ring 6, the cleaning assembly is connected to the inner ring of the limiting ring 6, and the suction assembly is connected to the upper side of the limiting ring 6.
The inside of the limiting ring 6 is provided with a rotating motor, an output shaft of the rotating motor is connected with a driving gear, a connecting rack is arranged in the circumferential direction of the filter disc 2, and the driving gear is meshed and connected with the connecting rack. The rotating motor is used for driving the filter disc 2 to rotate, and the filter holes on the filter disc 2 are arranged in rows, and each row of filter holes is arranged in an array along the circumferential direction of the filter disc 2.
As shown in fig. 2, the cleaning assembly comprises a fixing rod 7 and a cleaning comb 8, the fixing rod 7 is horizontally fixed on the lower side of the filter disc 2, the cleaning comb 8 is positioned on the upper side of the fixing rod 7, a supporting rod 9 is connected to the lower part of the cleaning comb 8, and the supporting rod 9 is in sliding connection with the fixing rod 7;
the upper part of the cleaning comb 8 comprises a plurality of cleaning teeth which are arranged towards the filter holes of the filter disc 2.
The length direction of the cleaning comb 8 is greater than the total length of each row of filter holes, and cleaning teeth are arranged in one-to-one correspondence with the filter holes.
As shown in fig. 5, the bottom of the cleaning comb 8 is connected with a guide rod 10, the guide rod 10 is slidably connected with the fixing rod 7, a limiting end piece is arranged at the lower end of the guide rod 10, a return spring is sleeved outside the guide rod 10, and the return spring is located between the fixing rod 7 and the limiting end piece.
As shown in fig. 2 and 5, the lower end of the supporting rod 9 is connected with a driving rope 11, a guide ring is arranged at the lower side of the fixing rod 7, a winding motor is arranged in the shell of the filtering device main body 1, and one end of the driving rope 11 passes through the guide ring and is connected with a winding shaft of the winding motor.
When the winding motor runs, the driving rope 11 is pulled, the guide rod 10 is upwards, the cleaning teeth are inserted into the filter holes, and the blocking impurities in the filter holes are pushed into the suction assembly.
Meanwhile, the driving rope 11 and the winding motor can be replaced by a telescopic rod 17, and the cleaning teeth are driven to move up and down by the telescopic rod 17.
As shown in fig. 5 and 7, the upper end of the suction housing 3 is connected with a suction pipe 12, the suction pipe 12 is connected with a suction pump 13, the lower part of the suction housing 3 is involute, the opening width of the suction housing 3 is larger than the diameter of the filtering hole of the filtering disc 2, the opening length direction of the suction housing 3 is connected with a sealing strip 14, the upper side of the sealing strip 14 is connected with a driving motor 15, and the output shaft of the driving motor 15 is fixedly connected with the auxiliary plate 5.
As shown in fig. 8, when the auxiliary plate 5 rotates, one end of the auxiliary plate 5 abuts against the lower side of the sealing strip 14, and the other end of the auxiliary plate 5 abuts against the upper surface of the filter disc 2, so that a suction cavity is formed between the two auxiliary plates 5, the two support plates 4 and the suction housing 3, the filter hole is located in the center of the suction cavity, impurities in the filter hole are conveniently drawn out upward, and at the same time, external liquid medicine is prevented from being drawn out.
As shown in fig. 7, the outer side of the auxiliary plate 5 is an arc surface, the lowest part of the auxiliary plate 5 is in contact with the upper surface of the filter disc 2, and the minimum distance between the opposite sides of the two auxiliary plates 5 is 0.
As shown in fig. 7, when the auxiliary plates 5 rotate reversely, the two auxiliary plates 5 are abutted against each other, the bottom of the suction housing 3 is an opening, the two auxiliary plates 5 are used for sealing the cleaned filter holes, the lowest parts of the auxiliary plates 5 are abutted against the upper surface of the filter disc 2, and when the impurities in the filter holes need to be sucked continuously, the bottom surfaces of the auxiliary plates 5 can extrude the liquid medicine near the auxiliary plates 5 and the filter disc 2 outwards along with the rotation of the auxiliary plates 5, so that the loss of the liquid medicine is reduced.
As shown in fig. 7, the bottom surface of the support plate 4 is in contact with the bottom surface of the filter tray 2, and the lower end of the suction housing 3 is in contact with the inner side surface of the support plate 4.
The scheme also comprises a controller, the position of the controller is set according to actual conditions when working by a worker, and the controller is used for controlling the electric devices used in the scheme, including but not limited to a sensor, a motor, a telescopic rod 17, a water pump, an electromagnetic valve, an electric heating wire, a heat pump, a display screen, a computer input device, a switch button, a communication device, a lamp, a loudspeaker and a microphone; the controller is an Intel processor, an AMD processor, a PLC controller, an ARM processor or a singlechip, and also comprises a main board, a memory bank, a storage medium and a power supply which is matched with the controller for use, wherein the power supply is a commercial power or a lithium battery; when the display screen is provided, a display card is also provided.
The using method comprises the following steps:
when the device is specifically used, the filter disc 2 is driven to rotate through the rotating motor, each row of filter Kong Zhuyi passes through the space between the suction assembly and the cleaning assembly, impurities in the filter holes are cleaned through the cleaning assembly, and the impurities are outwards extracted through the suction assembly.
The cleaning steps of the filter holes are as follows:
the filter hole rotates to the lower side of the suction housing 3, the rotary motor drives the auxiliary plate 5 to rotate, so that the outer end of the auxiliary plate 5 rotates upwards, and the end of the auxiliary plate 5 adjacent to the filter hole rotates downwards and is tightly attached, and the attaching state shown in fig. 7 is shown;
the driving motor 15 drives the auxiliary plate 5 to rotate, the arc surface at the lower side of the auxiliary plate 5 gradually rotates, the liquid medicine between the auxiliary plate 5 and the filter disc 2 is extruded outwards, and the upper end of the auxiliary plate 5 is in contact sealing with the sealing strip 14 while the auxiliary plate 5 extrudes the liquid medicine outwards, so that the sealing state shown in fig. 8 is shown;
the upper end of the auxiliary plate 5 is abutted against the tight seal 14, and the lower end of the auxiliary plate 5 is contacted with the upper surface of the filter disc 2, so that a closed suction cavity is formed among the two auxiliary plates 5, the supporting plate 4 and the suction housing 3;
the winding motor is used for winding, the driving rope 11 pulls the supporting rod 9 upwards, so that cleaning teeth of the cleaning comb 8 are inserted into the filtering holes upwards, and impurities enter the suction cavity;
the impurities in the suction cavity are pumped out through the action of the suction pump 13, under the action of air pressure, the air at the lower side of the filter disc 2 passes through the filter holes from bottom to top, and meanwhile, due to the lack of air at the lower side of the filter disc 2, the filtration of the liquid medicine at the upper side of the filter disc 2 can be promoted, and the filtration effect is further improved;
the winding motor reversely rotates, and the cleaning comb 8 is reset downwards under the action of a reset spring;
the filter disc 2 is driven to rotate by the rotating motor, so that the next row of filter holes reach between the suction shell 3 and the cleaning component, and the steps are repeated.
In the second embodiment shown in fig. 9 and 10, the conversion process is the same as the above-described steps, and the conversion process is performed by extending and shortening the extension rod 17 on the upper side of the elastic band 16.
The above embodiments are merely specific examples of the present invention, and the scope of the present invention includes, but is not limited to, the product forms and styles of the above embodiments, and any suitable changes or modifications made by those skilled in the art, which are consistent with the claims of the present invention, shall fall within the scope of the present invention.
Claims (8)
1. The utility model provides a filter equipment is used in traditional chinese medicine extraction, includes filter equipment main part (1), its characterized in that: the filter device is characterized in that a filter disc (2) is rotatably connected in the filter device main body (1), a cleaning component is arranged on the lower side of the filter disc (2), a suction component is arranged on the upper side of the filter disc (2), and the suction component is arranged right above the cleaning component;
the suction assembly comprises a suction housing (3), two support plates (4) are connected to the lower end of the suction housing (3), two opposite auxiliary plates (5) are arranged on the two support plates (4), the auxiliary plates (5) are arc-shaped, the end portions of the auxiliary plates (5) are in sealing contact with the support plates (4), and one end of the auxiliary plates (5) is located on the lower side of an opening of the suction housing (3).
2. The filtration device for extraction of chinese medicine according to claim 1, wherein: the inside of filter equipment main part (1) is equipped with spacing ring (6), filter disc (2) with spacing ring (6) rotate and are connected, clearance subassembly is connected in the inner circle of spacing ring (6), suction subassembly connects in the upside of spacing ring (6).
3. The filtration device for extraction of chinese medicine according to claim 1, wherein: the cleaning assembly comprises a fixing rod (7) and a cleaning comb (8), the fixing rod (7) is horizontally fixed on the lower side of the filter disc (2), the cleaning comb (8) is positioned on the upper side of the fixing rod (7), the lower part of the cleaning comb (8) is connected with a supporting rod (9), and the supporting rod (9) is in sliding connection with the fixing rod (7);
the upper part of the cleaning comb (8) comprises a plurality of cleaning teeth which are arranged towards the filtering holes of the filtering disc (2).
4. The filtration device for extraction of chinese medicine according to claim 3, wherein: the bottom of clearance comb (8) is connected with guide bar (10), guide bar (10) with dead lever (7) sliding connection, the lower extreme of guide bar (10) is equipped with spacing end piece, and the outside cover of guide bar (10) is equipped with reset spring, reset spring be located dead lever (7) with between the spacing end piece.
5. The filtration device for extraction of chinese medicine according to claim 3, wherein: the lower extreme of bracing piece (9) is connected with drive rope (11), and the downside of dead lever (7) is equipped with the guide ring, and the shell inside of filter equipment main part (1) is equipped with the rolling motor, drive rope (11) one end pass the guide ring with the rolling hub connection of rolling motor.
6. The filtration device for extraction of chinese medicine according to claim 1, wherein: the upper end of suction shell (3) is connected with suction tube (12), is connected with suction pump (13) on suction tube (12), the lower part of suction shell (3) is involute, the opening width of suction shell (3) is greater than the filtration pore diameter of filter disc (2), the opening length direction of suction shell (3) is connected with sealing strip (14), the upside of sealing strip (14) is connected with driving motor (15), the output shaft of driving motor (15) with accessory plate (5) link firmly.
7. The filtration device for extraction of chinese medicine according to claim 1, wherein: the outer side of the auxiliary plate (5) is an arc surface, the lowest part of the auxiliary plate (5) is in contact with the upper surface of the filter disc (2), and the minimum distance between the opposite sides of the two auxiliary plates (5) is 0.
8. The filtration device for extraction of chinese medicine according to claim 1, wherein: the bottom surface of the supporting plate (4) is contacted with the bottom surface of the filter disc (2), and the lower end of the suction shell (3) is contacted with the inner side surface of the supporting plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410240733.6A CN117815755B (en) | 2024-03-04 | 2024-03-04 | Filtering device for extracting traditional Chinese medicine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410240733.6A CN117815755B (en) | 2024-03-04 | 2024-03-04 | Filtering device for extracting traditional Chinese medicine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117815755A true CN117815755A (en) | 2024-04-05 |
| CN117815755B CN117815755B (en) | 2024-04-30 |
Family
ID=90522977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410240733.6A Active CN117815755B (en) | 2024-03-04 | 2024-03-04 | Filtering device for extracting traditional Chinese medicine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117815755B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1800035U (en) * | 1959-08-20 | 1959-11-12 | Knecht G M B H | DAMPER FILTER FOR COMBUSTION MACHINERY. |
| CN208928776U (en) * | 2018-08-31 | 2019-06-04 | 山东景然环保科技有限公司 | A kind of tube cleaning arrangement easy to use |
| FI129023B (en) * | 2020-04-22 | 2021-05-14 | Valmet Technologies Oy | A stationary cleaning unit and an arrangement for pulp dryer’s fan tower |
| CN214063886U (en) * | 2020-12-29 | 2021-08-27 | 盐城瑞德石化机械有限公司 | Ultra-low temperature and ultra-high pressure metal sealing butterfly check valve |
| CN214551531U (en) * | 2021-03-26 | 2021-11-02 | 河南永乐粮油机械有限公司 | Impurity removal filter for edible oil |
| CN115365038A (en) * | 2022-10-20 | 2022-11-22 | 承德石油高等专科学校 | Processing equipment for crude petroleum oil storage tank |
| CN117443103A (en) * | 2023-10-23 | 2024-01-26 | 华能烟台八角热电有限公司 | Self-cleaning device for filter screen |
-
2024
- 2024-03-04 CN CN202410240733.6A patent/CN117815755B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1800035U (en) * | 1959-08-20 | 1959-11-12 | Knecht G M B H | DAMPER FILTER FOR COMBUSTION MACHINERY. |
| CN208928776U (en) * | 2018-08-31 | 2019-06-04 | 山东景然环保科技有限公司 | A kind of tube cleaning arrangement easy to use |
| FI129023B (en) * | 2020-04-22 | 2021-05-14 | Valmet Technologies Oy | A stationary cleaning unit and an arrangement for pulp dryer’s fan tower |
| CN214063886U (en) * | 2020-12-29 | 2021-08-27 | 盐城瑞德石化机械有限公司 | Ultra-low temperature and ultra-high pressure metal sealing butterfly check valve |
| CN214551531U (en) * | 2021-03-26 | 2021-11-02 | 河南永乐粮油机械有限公司 | Impurity removal filter for edible oil |
| CN115365038A (en) * | 2022-10-20 | 2022-11-22 | 承德石油高等专科学校 | Processing equipment for crude petroleum oil storage tank |
| CN117443103A (en) * | 2023-10-23 | 2024-01-26 | 华能烟台八角热电有限公司 | Self-cleaning device for filter screen |
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| CN117815755B (en) | 2024-04-30 |
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