CN113476970A - Filter capable of rotationally cleaning filter element without dead angle and cleaning method thereof - Google Patents
Filter capable of rotationally cleaning filter element without dead angle and cleaning method thereof Download PDFInfo
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- CN113476970A CN113476970A CN202110960476.XA CN202110960476A CN113476970A CN 113476970 A CN113476970 A CN 113476970A CN 202110960476 A CN202110960476 A CN 202110960476A CN 113476970 A CN113476970 A CN 113476970A
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- cleaning
- spray pipe
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
- C10K1/024—Dust removal by filtration
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Abstract
The application discloses a filter for cleaning a filter element in a rotating way without dead angles and a cleaning method thereof, wherein the filter comprises a shell, a filter element and a cleaning mechanism; the side wall of the filter element is provided with a filter screen, and the lower end of the filter element is arranged at the upper part in the shell through a partition plate; the cleaning mechanism comprises a motor, a transmission component, a liquid conveying pipe and an inner spray pipe; one end of the liquid conveying pipe is a cleaning liquid inlet, the other end of the liquid conveying pipe is a cleaning liquid outlet, the cleaning liquid outlet extends into the shell, and the cleaning liquid outlet is vertically arranged upwards; the inner spray pipe is vertically arranged, the lower end of the inner spray pipe is connected to a cleaning liquid outlet through rotary sealing, the upper end of the inner spray pipe penetrates through the top surface of the filter element and then is rotatably connected to a spray pipe upper fixing frame, and a spray head is arranged on the side wall of the inner spray pipe; the output shaft of the motor is rotationally connected with the inner spray pipe through the transmission assembly. The application has solved the spray tube rigidity that sprays the washing liquid among the prior art, leads to the filter core internal surface always to have some blind areas to obtain effectual injection abluent problem.
Description
Technical Field
The application belongs to the technical field of gas purification, and particularly relates to a filter with a dead-angle-free rotary cleaning filter element and a cleaning method thereof.
Background
The coking coal is processed by a coking process to produce coke, coke oven gas and coking chemical products. The main components of the coke oven gas generated after coal coking comprise purified coke oven gas, water vapor, coal tar gas, ammonia, benzene hydrocarbon, hydrogen sulfide, other sulfides and other impurities. The coke oven gas containing impurities is purified to extract chemical products such as coal tar, ammonia, naphthalene, hydrogen sulfide, hydrogen cyanide, crude benzene and the like, and then the purified coke oven gas can be obtained.
When the existing filter is used for filtering, coke oven gas containing impurities enters the filter from a foul gas inlet under the driving of pressure, and when the coke oven gas passes through a filter element at the upper part of the filter, the filter element intercepts the impurities, and clean gas passing through the filter element enters the next working procedure from a clean gas outlet at the top. Along with the filtering, the greasy dirt and impurities on the inner surface of the filter element are thickened continuously, the filtering resistance is increased continuously, when the filtering pressure difference is increased to a set value, the filter element is cleaned, and the coke oven gas is filtered continuously after the greasy dirt and the impurities are removed. The filter element of the existing filter adopts a cleaning method that the filter element is washed by cleaning fluid, but the position of a spray pipe for spraying the cleaning fluid is fixed, so that part of blind areas on the inner surface of the filter element can not be effectively sprayed and cleaned, the cleaning effect of the filter element is limited, and the filtering efficiency of the filter is influenced.
Disclosure of Invention
The embodiment of the application provides a filter for rotationally cleaning a filter element without a dead angle and a cleaning method thereof, and solves the problem that in the prior art, the position of a spray pipe for spraying cleaning liquid is fixed, so that partial blind areas on the inner surface of the filter element can not be effectively sprayed and cleaned.
In order to achieve the above object, an embodiment of the present invention provides a filter for cleaning a filter element in a rotating manner without a dead angle, including a housing of a closed structure, a filter element, and a cleaning mechanism;
the top of the shell is provided with a clear gas outlet, the bottom of the shell is provided with a sewage outlet, and the lower part of the side wall of the shell is provided with a turbid gas inlet;
the filter element is of a barrel-shaped structure with an opening at the lower end, a filter screen is arranged on the side wall of the filter element, and the lower end of the filter element is arranged at the upper part in the shell through a partition plate; the filter element and the partition plate divide the inner part of the shell into an upper clear gas area and a lower turbid gas area;
the cleaning mechanism comprises a motor, a transmission assembly, a liquid conveying pipe and an inner spray pipe arranged in the shell;
one end of the infusion tube is a cleaning liquid inlet, the other end of the infusion tube is a cleaning liquid outlet, the cleaning liquid outlet extends into the shell, and the cleaning liquid outlet is vertically arranged upwards;
the inner spray pipe is vertically arranged, the lower end of the inner spray pipe is connected to the cleaning liquid outlet through rotary sealing, the upper end of the inner spray pipe penetrates through the top surface of the filter element and then is rotatably connected to a spray pipe upper fixing frame, and the spray pipe upper fixing frame is fixed in the shell; a spray head is arranged on the side wall of the inner spray pipe;
and the output shaft of the motor is rotationally connected with the inner spray pipe through the transmission assembly.
In a possible implementation manner, the lower end of the inner spray pipe is rotatably connected to the lower spray pipe fixing frame, the lower spray pipe fixing frame is fixed in the shell, and a first ring body used for sealing is arranged between the inner spray pipe and the top surface of the filter element.
In a possible implementation manner, the cleaning mechanism further comprises a drain pipe, the upper end of the drain pipe penetrates through the side wall of the shell and then is connected to the partition board, the lower end of the drain pipe is connected to the side wall of the shell, the drain pipe is communicated with the clear air area and the foul air area, and the part of the drain pipe, which is located outside the shell, is provided with a valve.
In one possible implementation, the transmission assembly comprises a driving bevel gear and a driven bevel gear which are meshed with each other;
the driven bevel gear is sleeved on the inner spray pipe, the motor is arranged outside the shell, an output shaft of the motor penetrates through the side wall of the shell and then is connected with the driving bevel gear, and a second ring body for sealing is arranged between the output shaft of the motor and the side wall of the shell.
In one possible implementation manner, the cleaning mechanism further comprises an outer spray pipe arranged in the clean air area;
the outer spray pipe is of an L-shaped structure, the end of the horizontal section of the outer spray pipe is connected to the upper end of the inner spray pipe, the vertical section of the outer spray pipe is located between the side wall of the filter element and the side wall of the shell, and the vertical section of the outer spray pipe is provided with a spray head.
In a possible implementation manner, the number of the outer spray pipes is more than two, and the more than two outer spray pipes are uniformly distributed in the circumferential direction of the filter element.
The embodiment of the invention also provides a cleaning method of the filter with the filter element rotationally cleaned without the dead angle, and the filter with the filter element rotationally cleaned without the dead angle comprises the following steps;
starting a motor, wherein the motor drives the inner spray pipe to rotate through the transmission assembly;
inputting a cleaning solution for cleaning the filter element through a cleaning solution inlet, inputting the cleaning solution into the inner spray pipe through the infusion pipe, and spraying the cleaning solution out of a spray head of the inner spray pipe;
the inner side wall of the filter element is cleaned by the rotating cleaning liquid;
the waste liquid after cleaning is discharged through a sewage outlet.
In a possible implementation manner, the method further comprises the following steps;
opening a valve on the outer spray pipe;
the inner spray pipe rotates to drive the outer spray pipe to rotate, and a spray head of the outer spray pipe sprays cleaning fluid;
the outer side wall of the filter element is cleaned by the rotating cleaning liquid;
the waste liquid after cleaning enters the bottom of the shell through a drain pipe and then is discharged through a drain outlet.
One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:
the embodiment of the invention provides a filter for cleaning a filter element in a rotating way without dead angles and a cleaning method thereof, wherein when the filter is used, a motor drives an inner spray pipe to rotate through a transmission assembly; inputting a cleaning solution for cleaning the filter element through a cleaning solution inlet, inputting the cleaning solution into the inner spray pipe through the infusion pipe, and spraying the cleaning solution out of a spray head of the inner spray pipe; the inner side wall of the filter element is cleaned by the rotating cleaning liquid; the waste liquid after cleaning is discharged through a sewage outlet. The inner surface of the filter screen can be cleaned without dead angles by the rotating inner spray pipe, the problem that the inner surface of the filter element always has partial blind areas and cannot be cleaned effectively due to the fact that the position of the spray pipe is fixed in the prior art is avoided, the cleaning effect is good, and the filtering efficiency of the filter is guaranteed. The method has reasonable steps, simple operation and strong practicability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some of the embodiments described in the present application, and that other drawings can be derived from these drawings by a person skilled in the art without inventive effort.
Fig. 1 is a schematic structural diagram of a filter for dead-angle-free rotary cleaning of a filter element according to an embodiment of the present invention.
Reference numerals: 1-a shell; 11-clear gas outlet; 12-a sewage draining outlet; 13-a foul gas inlet; 14-a clear gas zone; 15-turbid gas region; 2-a filter element; 21-a filter screen; 3-a separator; 4-a cleaning mechanism; 41-a motor; 42-a transmission assembly; 43-infusion tube; 431-cleaning liquid inlet; 44-inner nozzle; 45-sewage draining pipe; 46-a valve; 47-outer nozzle; 48-a spray head; 5-fixing the spray pipe on a fixing frame; 6-lower nozzle fixing frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
As shown in fig. 1, the filter for rotary cleaning of a filter element without a dead angle provided by the embodiment of the present invention includes a housing 1, a filter element 2, and a cleaning mechanism 4.
The top of the shell 1 is provided with a clean air outlet 11, the bottom of the shell 1 is provided with a sewage outlet 12, and the lower part of the side wall of the shell 1 is provided with a foul air inlet 13.
The filter element 2 is a barrel-shaped structure with an opening at the lower end, the side wall of the filter element 2 is provided with a filter screen 21, and the lower end of the filter element 2 is arranged at the upper part in the shell 1 through a partition plate 3. The filter element 2 and baffle 3 divide the interior of the housing 1 into an upper clear gas zone 14 and a lower dirty gas zone 15.
The cleaning mechanism 4 includes a motor 41, a transmission assembly 42, a liquid delivery tube 43, and an inner spout 44 disposed within the housing 1.
One end of the infusion tube 43 is a cleaning liquid inlet 431, the other end of the infusion tube 43 is a cleaning liquid outlet, the cleaning liquid outlet extends into the interior of the shell 1, and the cleaning liquid outlet is vertically arranged upwards.
The inner spray pipe 44 is vertically arranged, the lower end of the inner spray pipe 44 is connected to the cleaning liquid outlet through rotary sealing, the upper end of the inner spray pipe 44 penetrates through the top surface of the filter element 2 and then is connected to the spray pipe upper fixing frame 5 in a rotating mode, and the spray pipe upper fixing frame 5 is fixed in the shell 1. The side wall of the inner spout 44 is provided with a spray head 48.
The output shaft of the motor 41 is rotatably connected to the inner nozzle 44 via a transmission assembly 42.
It should be noted that the clean gas outlet 11 is used for discharging the filtered gas, the sewage outlet 12 is used for discharging the waste liquid after cleaning the filter element 2, and the dirty gas inlet 13 is used for inputting the coke oven gas to be filtered. The partition 3 is of an annular structure, and the partition 3 is connected to the periphery of the lower end of the filter element 2. The inner nozzle 44 is arranged coaxially with the filter element 2. The coke oven gas enters the clean air zone 14 through the filter screen 21 of the filter element 2 and then is discharged through the clean air outlet 11, so that the spraying range of the inner spraying pipe 44 can well cover the filter screen 21, impurities on the filter screen 21 can be effectively removed, and the filtering efficiency of the filter is further ensured.
In this embodiment, the lower end of the inner nozzle 44 is rotatably connected to the nozzle lower fixing frame 6, the nozzle lower fixing frame 6 is fixed in the housing 1, and a first ring body for sealing is arranged between the inner nozzle 44 and the top surface of the filter element 2.
It should be noted that the first ring body prevents unfiltered coke oven gas from passing through the gap between the inner spout 44 and the filter element 2. The upper spray pipe fixing frame 5 and the lower spray pipe fixing frame 6 can be detachably arranged on the inner wall of the shell 1.
In this embodiment, the cleaning mechanism 4 further comprises a drain pipe 45, the upper end of the drain pipe 45 is connected to the partition plate 3 after passing through the side wall of the housing 1, the lower end of the drain pipe 45 is connected to the side wall of the housing 1, the drain pipe 45 communicates the clear air region 14 with the foul air region 15, and the portion of the drain pipe 45 located outside the housing 1 is provided with a valve 46.
In this embodiment, the transmission assembly 42 includes a driving bevel gear and a driven bevel gear that mesh with each other.
The driven bevel gear is sleeved on the inner spray pipe 44, the motor 41 is arranged outside the shell 1, an output shaft of the motor 41 penetrates through the side wall of the shell 1 and then is connected with the driving bevel gear, and a second ring body for sealing is arranged between the output shaft of the motor 41 and the side wall of the shell 1.
The second ring body prevents unfiltered coke oven gas from passing through the gap between the side wall of the housing 1 and the output shaft of the motor 41. The motor 41 is a reduction motor 41 to facilitate adjustment of the rotational speed of the inner nozzle 44.
In this embodiment, the cleaning mechanism 4 further comprises an outer nozzle 47 disposed in the purge zone 14.
The outer spray pipe 47 is of an L-shaped structure, the end part of the horizontal section of the outer spray pipe 47 is connected to the upper end of the inner spray pipe 44, the vertical section of the outer spray pipe 47 is positioned between the side wall of the filter element 2 and the side wall of the shell 1, and the vertical section of the outer spray pipe 47 is provided with a spray head 48.
It should be noted that the side wall of the upper end of the inner nozzle 44 is provided with a horizontal connection pipe, and the connection pipe is connected to the outer nozzle 47 through a flange, thereby facilitating the detachment and installation of the outer nozzle 47.
The outer spray pipe 47 can well clean the outside of the filter screen 21, the combined use of the inner spray pipe 44 and the outer spray pipe 47 can completely clean the surface of the filter screen 21, and the problem that the cleaning effect is limited due to the fact that the filter screen is cleaned only through the inner spray pipe 44 in the prior art is solved.
In this embodiment, the number of the outer nozzles 47 is two or more, and the two or more outer nozzles 47 are uniformly distributed in the circumferential direction of the filter element 2.
It should be noted that two or more outer nozzles 47 can balance the forces applied to the rotating components in washing mechanism 4, and avoid the problem of the wobbling of the rotating components in washing mechanism 4 due to the provision of one outer nozzle 47. While more than two outer lances 47 have better cleaning capacity.
The embodiment of the invention also provides a cleaning method of the filter with the filter element rotationally cleaned without the dead angle.
The motor 41 is turned on, and the motor 41 drives the inner nozzle 44 to rotate through the transmission assembly 42.
The cleaning liquid for cleaning the filter element 2 is supplied through the cleaning liquid inlet 431, the cleaning liquid is supplied through the liquid pipe 43 to the inner nozzle 44, and the nozzle 48 of the inner nozzle 44 ejects the cleaning liquid.
The inner side wall of the filter element 2 is cleaned by the rotating cleaning liquid.
The waste liquid after washing is discharged through the drain 12.
It should be noted that the inner spray pipe 44 can clean the inner surface of the filter screen 21 without dead angles, so as to avoid the problem that the inner surface of the filter element always has partial blind areas which cannot be cleaned by effective spraying due to the fixed position of the spray pipe in the prior art, thereby achieving good cleaning effect and ensuring the filtering efficiency of the filter.
In this embodiment, the method further includes the following steps.
The valve 46 on the outer spout 47 is opened.
The inner spray pipe 44 rotates to drive the outer spray pipe 47 to rotate, and the spray head 48 of the outer spray pipe 47 sprays cleaning liquid.
The outer side wall of the filter element 2 is cleaned by the rotating cleaning liquid.
The waste liquid after washing enters the bottom of the housing 1 through the drain pipe 45 and is then discharged through the drain outlet 12.
It should be noted that the spraying direction of the inner spraying pipe 44 enables a part of impurities to remain on the filter screen 21, and the outer spraying pipe 47 can well remove the remaining impurities, thereby further ensuring the cleaning effect.
The outer spray pipe 47 can reasonably guide out the waste liquid after cleaning the outer side wall of the filter element 2, and prevent the waste liquid from gathering at the bottom of the clean air area 14, namely between the lower end of the filter element 2 and the inner wall of the shell 1.
The valve 46 is arranged to prevent coke oven gas from entering the clean gas zone 14 through the blow off pipe 45.
In this embodiment, it is apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (8)
1. The utility model provides a filter of rotatory cleaning filter core in no dead angle which characterized in that: comprises a shell (1) with a closed structure, a filter element (2) and a cleaning mechanism (4);
a clear gas outlet (11) is formed in the top of the shell (1), a sewage discharge outlet (12) is formed in the bottom of the shell (1), and a turbid gas inlet (13) is formed in the lower portion of the side wall of the shell (1);
the filter element (2) is of a barrel-shaped structure with an opening at the lower end, a filter screen (21) is arranged on the side wall of the filter element (2), and the lower end of the filter element (2) is arranged at the upper part in the shell (1) through a partition plate (3); the filter element (2) and the partition plate (3) divide the interior of the shell (1) into an upper clear gas area (14) and a lower turbid gas area (15);
the cleaning mechanism (4) comprises a motor (41), a transmission assembly (42), a liquid conveying pipe (43) and an inner spray pipe (44) arranged in the shell (1);
one end of the infusion tube (43) is a cleaning liquid inlet (431), the other end of the infusion tube (43) is a cleaning liquid outlet, the cleaning liquid outlet extends into the shell (1), and the cleaning liquid outlet is vertically arranged upwards;
the inner spray pipe (44) is vertically arranged, the lower end of the inner spray pipe (44) is connected to the cleaning liquid outlet in a rotating and sealing mode, the upper end of the inner spray pipe (44) penetrates through the top surface of the filter element (2) and then is connected to an upper spray pipe fixing frame (5) in a rotating mode, and the upper spray pipe fixing frame (5) is fixed in the shell (1); a spray head (48) is arranged on the side wall of the inner spray pipe (44);
the output shaft of the motor (41) is rotationally connected with the inner spray pipe (44) through the transmission assembly (42).
2. The filter for dead-angle-free rotary cleaning of filter elements according to claim 1, wherein: the lower end of the inner spray pipe (44) is rotatably connected to a lower spray pipe fixing frame (6), the lower spray pipe fixing frame (6) is fixed in the shell (1), and a first ring body used for sealing is arranged between the inner spray pipe (44) and the top surface of the filter element (2).
3. The filter for dead-angle-free rotary cleaning of filter elements according to claim 1, wherein: cleaning mechanism (4) still include blow off pipe (45), the upper end of blow off pipe (45) is passed connect in behind the lateral wall of casing (1) baffle (3), the lower extreme of blow off pipe (45) connect in the lateral wall of casing (1), blow off pipe (45) will clear air district (14) with turbid air district (15) intercommunication, blow off pipe (45) are located the part outside casing (1) is provided with valve (46).
4. The filter for dead-angle-free rotary cleaning of filter elements according to claim 1, wherein: the transmission assembly (42) comprises a driving bevel gear and a driven bevel gear which are meshed with each other;
the driven bevel gear is sleeved on the inner spray pipe (44), the motor (41) is arranged outside the shell (1), an output shaft of the motor (41) penetrates through the side wall of the shell (1) and then is connected with the driving bevel gear, and a second ring body for sealing is arranged between the output shaft of the motor (41) and the side wall of the shell (1).
5. A dead-angle-free filter for spin-on cleaning of filter elements as claimed in claim 3, wherein: the cleaning mechanism (4) also comprises an outer spray pipe (47) arranged in the clean air area (14);
outer spray tube (47) are L type structure, the end connection of the horizontal segment of outer spray tube (47) in the upper end of interior spray tube (44), the vertical section of outer spray tube (47) is located filter element (2) the lateral wall with between the lateral wall of casing (1), be provided with shower nozzle (48) on the vertical section of outer spray tube (47).
6. The filter for dead-angle-free spin-on cleaning of filter elements of claim 5, wherein: the number of the outer spray pipes (47) is more than two, and the outer spray pipes (47) are uniformly distributed in the circumferential direction of the filter element (2).
7. A method for cleaning a filter without a dead angle for rotating and cleaning a filter element, which is characterized in that the filter without the dead angle for rotating and cleaning the filter element according to any one of claims 1 to 6 is adopted, and comprises the following steps;
starting the motor (41), wherein the motor (41) drives the inner spray pipe (44) to rotate through the transmission assembly (42);
cleaning liquid for cleaning the filter element (2) is input through a cleaning liquid inlet (431), the cleaning liquid is input into the inner spray pipe (44) through the liquid conveying pipe (43), and a spray head (48) of the inner spray pipe (44) sprays the cleaning liquid;
the inner side wall of the filter element (2) is cleaned by the rotating cleaning liquid;
the waste liquid after cleaning is discharged through a sewage outlet (12).
8. The method of claim 7, further comprising the steps of;
opening a valve (46) on the outer spray pipe (47);
the inner spray pipe (44) rotates to drive the outer spray pipe (47) to rotate, and a spray head (48) of the outer spray pipe (47) sprays cleaning liquid;
the outer side wall of the filter element (2) is cleaned by the rotating cleaning liquid;
the waste liquid after being cleaned enters the bottom of the shell (1) through a drain pipe (45) and then is discharged through a drain outlet (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110960476.XA CN113476970A (en) | 2021-08-20 | 2021-08-20 | Filter capable of rotationally cleaning filter element without dead angle and cleaning method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110960476.XA CN113476970A (en) | 2021-08-20 | 2021-08-20 | Filter capable of rotationally cleaning filter element without dead angle and cleaning method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113476970A true CN113476970A (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110960476.XA Pending CN113476970A (en) | 2021-08-20 | 2021-08-20 | Filter capable of rotationally cleaning filter element without dead angle and cleaning method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN113476970A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570088A (en) * | 2022-03-09 | 2022-06-03 | 长鑫存储技术有限公司 | Wet-type cleaning machine table, filter and cleaning method thereof |
| CN114733825A (en) * | 2022-04-20 | 2022-07-12 | 华中科技大学同济医学院附属协和医院 | Cleaning device for medical care instrument disinfection treatment |
| CN114797470A (en) * | 2022-05-05 | 2022-07-29 | 苏州赛谱仪器有限公司 | Protein purification refrigerating system |
| CN115611455A (en) * | 2022-10-11 | 2023-01-17 | 南京信息工程大学 | Water body micro-plastic recovery device, system and recovery method |
-
2021
- 2021-08-20 CN CN202110960476.XA patent/CN113476970A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570088A (en) * | 2022-03-09 | 2022-06-03 | 长鑫存储技术有限公司 | Wet-type cleaning machine table, filter and cleaning method thereof |
| CN114733825A (en) * | 2022-04-20 | 2022-07-12 | 华中科技大学同济医学院附属协和医院 | Cleaning device for medical care instrument disinfection treatment |
| CN114733825B (en) * | 2022-04-20 | 2023-07-14 | 华中科技大学同济医学院附属协和医院 | Cleaning device for disinfection treatment of medical care appliances |
| CN114797470A (en) * | 2022-05-05 | 2022-07-29 | 苏州赛谱仪器有限公司 | Protein purification refrigerating system |
| CN115611455A (en) * | 2022-10-11 | 2023-01-17 | 南京信息工程大学 | Water body micro-plastic recovery device, system and recovery method |
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