CN114146466B - Self-cleaning formula rose box for hydroelectric power generation - Google Patents
Self-cleaning formula rose box for hydroelectric power generation Download PDFInfo
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- CN114146466B CN114146466B CN202111468343.7A CN202111468343A CN114146466B CN 114146466 B CN114146466 B CN 114146466B CN 202111468343 A CN202111468343 A CN 202111468343A CN 114146466 B CN114146466 B CN 114146466B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 18
- 238000010248 power generation Methods 0.000 title claims abstract description 16
- 241000220317 Rosa Species 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000003860 storage Methods 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 28
- 238000007667 floating Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 9
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 210000004907 gland Anatomy 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Turbines (AREA)
Abstract
The invention provides a self-cleaning filter box for hydropower, and relates to the field of hydropower. This self-cleaning formula rose box for hydroelectric power generation, including filtering mechanism and collection mechanism, filtering mechanism is located the top of collecting the mechanism, and filtering mechanism passes through support frame fixed connection with collection mechanism, filtering mechanism includes the water storage tank. This self-cleaning formula rose box for hydroelectric power generation, the flow rate of outlet reduces this moment on the filter screen of outlet department is attached to impurity when the aquatic, and then make the inside liquid level of reservoir rise, thereby can make the kickboard rebound, closing plate and filter plate part coincidence and coincidence part crescent, at closing plate rebound's in-process, can avoid the attachment to strike off with the filter screen, the liquid level continues to rise simultaneously, when the liquid level rises to well siphunculus upper surface, the siphon effect produces, can pass through well siphunculus discharge with the inside water of reservoir and the attachment of striking off, the clear problem of need regularly among the prior art has been solved.
Description
Technical Field
The invention relates to the technical field of hydropower, in particular to a self-cleaning filter box for hydropower.
Background
Hydroelectric power generation, and scientific technology for researching technical and economic problems such as engineering construction and production operation for converting water energy into electric energy. The water energy used by hydroelectric power generation is mainly potential energy stored in water. The purpose is to convert water energy into electric energy.
Hydroelectric power generation avoids the impurity impact rotor in aquatic, so need be at the leading rose box of water inlet, and current rose box need regularly change the filter screen and avoid the filter screen to block up, so need a self-cleaning formula rose box that can not need regularly to change the filter screen.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a self-cleaning filter box for hydroelectric power generation, which solves the problems in the background art.
In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a self-cleaning formula rose box for hydroelectric power generation, includes filtering mechanism and collection mechanism, and filtering mechanism is located the top of collecting mechanism, and filtering mechanism passes through support frame fixed connection with collection mechanism, filtering mechanism includes the storage tank, and water inlet and delivery port have been seted up respectively to the both sides of storage tank, and the inboard of storage tank is located water inlet and delivery port department fixed mounting and has the stop collar, and the inside sliding connection of stop collar has the closing plate, and the middle part of storage tank is connected and has been run through well siphunculus, and well siphunculus runs through the storage tank and extends to the below of storage tank, and the interior diapire middle part fixed mounting of storage tank has the upper gland, and the upper gland cup joints the surface of well siphunculus, and the breach is seted up all around to the bottom of upper gland, and sliding connection has the kickboard between the inside of storage tank is located the upper gland, closing plate and kickboard fixed connection, and delivery port department inlay the filter screen, collection mechanism includes the collecting box, and the collecting box is located the below of storage tank, and the bottom of support frame and collecting box fixed connection, and collecting box's bottom, and the bottom of collecting box has seted up the outlet, and the inner bulkhead center fixed mounting has the sleeve, and the sleeve is located the bottom of collecting box, and the supporting spring, and the top of supporting spring is located the sense pressing plate, and feels the siphunculus fixed mounting of supporting spring, and is located the lower of the siphunculus, and is located the lower of supporting spring, and feels the pressing plate.
Preferably, the outer fixed surface of pressure sensing board installs the connecting plate, and the upper surface both sides fixed mounting of connecting plate has the extension rod, and the top of extension rod runs through the holding water tank and extends to the inside of holding water tank, and the extension rod is located the inside one end fixed mounting of holding water tank and has the bracket, and the inboard fixed mounting of bracket has the center pin, and the surface of center pin rotates and is connected with the scraper blade.
Preferably, the bottom end of the squeegee is in contact with an inner bottom wall of the water storage tank, and an initial position of the squeegee is inclined toward the center side.
Preferably, the oblique angle processing is carried out to the inside of the upper surface of closing plate, and the filter screen is hugged closely in the outside of closing plate, and the width of closing plate is greater than the width of filter screen, and the length of closing plate is less than the width of filter screen.
Preferably, the size of the water inlet is larger than that of the water outlet, and the volume of the collecting box is larger than that of the water storage box.
Preferably, the shape of the pressure sensing plate is funnel-shaped, and the bottom end of the pressure sensing plate is provided with a through hole penetrating through the pressure sensing plate.
The invention has the following beneficial effects:
1. this self-cleaning formula rose box for hydroelectric power generation, the flow rate of outlet reduces this moment on the filter screen of outlet department is attached to impurity when the aquatic, and then make the inside liquid level of reservoir rise, thereby can make the kickboard rebound, closing plate and filter plate part coincidence and coincidence part crescent, at closing plate rebound's in-process, can avoid the attachment to strike off with the filter screen, the liquid level continues to rise simultaneously, when the liquid level rises to well siphunculus upper surface, the siphon effect produces, can pass through well siphunculus discharge with the inside water of reservoir and the attachment of striking off, the clear problem of need regularly among the prior art has been solved.
2. This self-cleaning formula rose box for hydroelectric power generation, the liquid flow velocity can produce the impact to the collecting box very fast during the discharge, can play the effect of buffering through setting up sense clamp plate and supporting spring, when simultaneously sense clamp plate downstream, can drive the bracket downstream through the extension rod, so downstream can drive the scraper blade and rotate the utilization scraper blade and can scrape the precipitate that deposits in the trap tank owing to the bottom of scraper blade and the contact of trap tank, thereby can make clean effect better.
3. This self-cleaning formula rose box for hydroelectric power generation, the shape of sense clamp plate is the infundibulate, and the bottom of sense clamp plate is seted up the through-hole that runs through sense clamp plate, through setting to the infundibulate to set up the through-hole and can collect partial exhaust water temporarily, thereby can make sense clamp plate can descend.
Drawings
FIG. 1 is a schematic half-section view of the present invention;
FIG. 2 is a schematic half-section view of a filter mechanism according to the present invention;
FIG. 3 is a schematic half-sectional view of the collection mechanism of the present invention;
FIG. 4 is a schematic half-sectional view of the connecting portion of the filtering means and the collecting means of the present invention.
The device comprises a filtering mechanism-1, a collecting mechanism-2, a supporting frame-3, a water storage tank-101, a water inlet-102, a water outlet-103, a limiting sleeve-104, a sealing plate-105, a middle through pipe-106, an upper sealing sleeve-107, a notch-108, a floating plate-109, a filter screen-110, a collecting box-201, a water outlet-202, a sleeve-203, a supporting spring-204, a pressure sensing plate-205, a connecting plate-207, a through hole-206, a connecting plate-207, an extending rod-208, a bracket-209, a central shaft-210 and a scraper-211.
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The embodiment of the invention provides a self-cleaning filter box for hydroelectric power generation, which comprises the following components in parts by weight:
in the first embodiment, as shown in fig. 1 to 4, the filter mechanism 1 and the collection mechanism 2 are included, the filter mechanism 1 is located above the collection mechanism 2, the filter mechanism 1 and the collection mechanism 2 are fixedly connected through a support frame 3, the filter mechanism 1 includes a water storage tank 101, a water inlet 102 and a water outlet 103 are respectively formed in two sides of the water storage tank 101, the water inlet 102 and the water outlet 103 are respectively connected with an existing device, a limiting sleeve 104 is fixedly installed at the position, located at the water inlet 102 and the water outlet 103, of the inner side of the water storage tank 101, a sealing plate 105 is slidably connected inside the limiting sleeve 104, a chamfer angle treatment is performed on the inner side of an upper surface of the sealing plate 105, the outer side of the sealing plate 105 is tightly attached to the filter screen 110, the width of the sealing plate 105 is greater than that of the filter screen 110, the length of the sealing plate 105 is smaller than that of the filter screen 110, the sealing plate 105 achieves a sealing effect, and simultaneously achieves a cleaning effect, and attachments attached to the filter screen 110 can be scraped by the up-down movement of the sealing plate 105.
The sealing plate 105 can shield the part of the water outlet 103 or the water inlet 102, the middle part of the water storage tank 101 is connected with and penetrates through the middle through pipe 106, the middle through pipe 106 penetrates through the water storage tank 101 and extends to the lower part of the water storage tank 101, the middle through pipe 106 is used for quickly draining water, the middle through pipe 106 and the water storage tank 101 are integrally formed, the middle part of the inner bottom wall of the water storage tank 101 is fixedly provided with the upper sealing sleeve 107, the upper sealing sleeve 107 is sleeved on the outer surface of the middle through pipe 106, the bottom end of the upper sealing sleeve 107 is provided with the notches 108 on the periphery, the upper sealing sleeve 107 can be supported through the arrangement, meanwhile, the water can be drained conveniently, the middle through pipe 106, the upper sealing sleeve 107 and the water can establish the basis of siphon effect, and the floating plate 109 is slidably connected between the upper sealing sleeves 107 in the water storage tank 101, floating plate 109 is used for the perception liquid level, closing plate 105 and floating plate 109 fixed connection, delivery port 103 department inlays and has filter screen 110, collection mechanism 2 includes collecting box 201, collecting box 201 is located the below of holding tank 101, the size of water inlet 102 is greater than the size of delivery port 103, the volume of collecting box 201 is greater than the size of holding tank 101, and then can guarantee that the liquid level in collecting box 201 also can rise when delivery port 103 is not blockked up, thereby can reach the effect of regularly draining and can guarantee through such injecing that the liquid volume that gets into in collecting box 201 can be greater than the volume of delivery port 103 discharge liquid, can guarantee through such setting that discharged liquid can be collected by collecting box 201 completely, thereby can make the outflow that the discharged water can be slow.
The bottom and the collecting box 201 fixed connection of support frame 3, the top and the water storage tank 101 fixed connection of support frame 3, the outlet 202 has been seted up to one side bottom of collecting box 201, the interior diapire center fixed mounting of collecting box 201 has sleeve 203, sleeve 203 is located well siphunculus 106 under, the inside fixed mounting of sleeve 203 has supporting spring 204.
The top end of the supporting spring 204 is fixedly provided with a pressure sensing plate 205, the pressure sensing plate 205 is funnel-shaped, the bottom end of the pressure sensing plate 205 is provided with a through hole 206 penetrating through the pressure sensing plate 205, the through hole 206 is funnel-shaped, and partial discharged water can be temporarily collected, so that the pressure sensing plate 205 can descend. The impact of the water flow on the collecting box 201 can be reduced by the pressure sensing plate 205, and the pressure sensing plate 205 is positioned below the middle through pipe 106.
Outer fixed surface of pressure sensing board 205 installs connecting plate 207, connecting plate 207's upper surface both sides fixed mounting has extension rod 208, extension rod 208's top runs through water storage tank 101 and extends to water storage tank 101's inside, extension rod 208 is located the inside one end fixed mounting of water storage tank 101 has bracket 209, bracket 209's inboard fixed mounting has center pin 210, center pin 210's surface rotates and is connected with scraper blade 211, can make pressure sensing board 205 descend through water impact pressure sensing board 205 through such setting, thereby can utilize bracket 209 decline drive scraper blade 211 rotatory, and then can scrape the material that the bottom layer deposited. The scraper 211 is provided such that the bottom end thereof is in contact with the inner bottom wall of the water storage tank 101 and the initial position of the scraper 211 is inclined toward the center side, thereby ensuring that the scraper 211 can be rotated in the counterclockwise direction while the carriage 209 is lowered.
When the device is used, the device is connected into a hydroelectric generation device, water enters the water storage tank 101 through the water inlet 102 and is discharged through the water outlet 103, when impurities in the water are attached to the filter screen 110 at the water outlet 103, the flow rate of the water outlet is reduced at the moment, the liquid level inside the water storage tank 101 is further raised, the floating plate 109 can move upwards, the sealing plate 105 and the filter plate are partially overlapped, the overlapped part is gradually increased, in the process that the sealing plate 105 moves upwards, the filter screen 110 can be prevented from scraping attachments, meanwhile, the liquid level continues to rise, when the liquid level rises to the upper surface of the middle through pipe 106, a siphon effect is generated, the water inside the water storage tank 101 and the scraped attachments can be discharged through the middle through the middle through pipe 106, the liquid flow rate during discharging can quickly impact the collection tank 201, a buffering effect can be achieved by the arrangement of the pressure sensing plate 205 and the supporting spring 204, when the pressure sensing plate 205 moves downwards, the bracket 209 can be driven by the extending rod 208 to move downwards, the bottom end of the scraper 211 can drive the scraper 211 to rotate, the scraper 211 to deposit in the water storage tank 101, and the scraper can be cleaned better.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a self-cleaning formula rose box for hydroelectric power generation, includes filtering mechanism (1) and collects mechanism (2), its characterized in that: the filtering mechanism (1) is positioned above the collecting mechanism (2), and the filtering mechanism (1) is fixedly connected with the collecting mechanism (2) through a supporting frame (3);
the filtering mechanism (1) comprises a water storage tank (101), a water inlet (102) and a water outlet (103) are respectively formed in two sides of the water storage tank (101), a limiting sleeve (104) is fixedly installed at the position, located at the water inlet (102) and the water outlet (103), of the inner side of the water storage tank (101), an upper sealing sleeve (105) is connected to the inner portion of the limiting sleeve (104) in a sliding mode, a middle through pipe (106) is connected to and penetrates through the middle portion of the water storage tank (101), the middle through pipe (106) penetrates through the water storage tank (101) and extends to the lower portion of the water storage tank (101), an upper sealing sleeve (107) is fixedly installed in the middle portion of the inner bottom wall of the water storage tank (101), the upper sealing sleeve (107) is sleeved on the outer surface of the middle through pipe (106), notches (108) are formed in the periphery of the bottom end of the upper sealing sleeve (107), a floating plate (109) is connected to the position, a floating plate (105) and the outer side of the upper sealing sleeve (107) in a sliding mode, the sealing plate (105) is fixedly connected with the floating plate (109), a filtering net (110) is inlaid at the position of the water outlet (103), oblique angle processing is performed in the side of the upper surface of the side of the sealing plate (105), the sealing plate (110), the width of the sealing plate (105) is larger than the width of the filtering net (110), and the width of the filtering net (105) is smaller than the width of the filtering net (110);
collecting mechanism (2) including collecting box (201), collecting box (201) are located the below of holding water tank (101), the bottom and collecting box (201) fixed connection of support frame (3), the top and holding water tank (101) fixed connection of support frame (3), outlet (202) have been seted up to one side bottom of collecting box (201), interior diapire center fixed mounting of collecting box (201) has sleeve (203), sleeve (203) are located well siphunculus (106) under, the inside fixed mounting of sleeve (203) has supporting spring (204), the top fixed mounting pressure sensing board (205) of supporting spring (204), pressure sensing board (205) are located the below of well siphunculus (106), the outer fixed surface of pressure sensing board (205) installs connecting plate (207), the upper surface both sides fixed mounting of connecting plate (207) has extension rod (208), the top of extension rod (208) runs through holding water tank (101) and extends to the inside of holding water tank (101), the one end fixed mounting that extension rod (208) are located the inside of holding water tank (101) has bracket (209), the inboard fixed mounting of bracket (209) has the center pin (210), the outer surface (211) that the center pin (211) is connected with.
2. The self-cleaning filter box for hydroelectric power generation of claim 1, characterized in that: the bottom end of the scraper (211) is in contact with the inner bottom wall of the water storage tank (101), and the initial position of the scraper (211) inclines to the center side.
3. The self-cleaning filter box for hydroelectric power generation of claim 1, characterized in that: the size of the water inlet (102) is larger than that of the water outlet (103), and the volume of the collecting box (201) is larger than that of the water storage box (101).
4. A self-cleaning filter box for hydropower according to claim 1, characterized in that: the shape of the pressure sensing plate (205) is funnel-shaped, and the bottom end of the pressure sensing plate (205) is provided with a through hole (206) penetrating through the pressure sensing plate (205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111468343.7A CN114146466B (en) | 2021-12-03 | 2021-12-03 | Self-cleaning formula rose box for hydroelectric power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111468343.7A CN114146466B (en) | 2021-12-03 | 2021-12-03 | Self-cleaning formula rose box for hydroelectric power generation |
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| Publication Number | Publication Date |
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| CN114146466A CN114146466A (en) | 2022-03-08 |
| CN114146466B true CN114146466B (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111468343.7A Active CN114146466B (en) | 2021-12-03 | 2021-12-03 | Self-cleaning formula rose box for hydroelectric power generation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114813312B (en) * | 2022-04-22 | 2023-06-02 | 河北理工工程管理咨询有限公司 | Water supply pipeline pressure testing device for engineering supervision |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB966509A (en) * | 1962-03-29 | 1964-08-12 | Hugh Robert Black | Automatic filter screen |
| CN105660516A (en) * | 2016-03-01 | 2016-06-15 | 通威股份有限公司 | Remote control movable type fishpond bubble removing device utilizing solar energy |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130152317A1 (en) * | 2011-12-16 | 2013-06-20 | Aqua Products, Inc. | Filter cartridge mounting assembly for robotic pool and tank cleaner |
| CN203043683U (en) * | 2012-12-09 | 2013-07-10 | 深圳市福尔沃机电设备有限公司 | Sand drainage self-cleaning filter |
| CN206881243U (en) * | 2017-04-12 | 2018-01-16 | 海宁市水享净水设备有限公司 | A kind of fore filter |
| CN210656407U (en) * | 2019-07-17 | 2020-06-02 | 中国水利水电科学研究院 | Sewage treatment device |
| CN110694324A (en) * | 2019-09-27 | 2020-01-17 | 安平县汉科过滤科技有限公司 | Leading water filter |
| CN212327518U (en) * | 2020-01-06 | 2021-01-12 | 鹤峰宏大水电建筑有限公司 | Hydraulic engineering filter equipment |
| CN212417263U (en) * | 2020-05-29 | 2021-01-29 | 武汉奥莱机电设备有限公司 | A filter equipment for sewage treatment |
| CN111450611B (en) * | 2020-06-03 | 2021-12-24 | 中节能(西安)生态环保有限公司 | High-efficient type filtration equipment for sewage treatment |
| CN113384937A (en) * | 2021-07-01 | 2021-09-14 | 深圳市弘欣德网络科技有限公司 | Domestic sewage filtering device |
-
2021
- 2021-12-03 CN CN202111468343.7A patent/CN114146466B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB966509A (en) * | 1962-03-29 | 1964-08-12 | Hugh Robert Black | Automatic filter screen |
| CN105660516A (en) * | 2016-03-01 | 2016-06-15 | 通威股份有限公司 | Remote control movable type fishpond bubble removing device utilizing solar energy |
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| CN114146466A (en) | 2022-03-08 |
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Effective date of registration: 20230331 Address after: 334000 Lulin Avenue, Yongfeng street, Guangfeng District, Shangrao City, Jiangxi Province Applicant after: Jiangxi Guangfeng Fengxi hydropower Co.,Ltd. Address before: Room 501, building 4, phase III, Yunhe family, Jinghang South Road, Yangzhou, Jiangsu 225000 Applicant before: Wang Yanli |
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