CN112316517B - Building water filter equipment - Google Patents
Building water filter equipment Download PDFInfo
- Publication number
- CN112316517B CN112316517B CN202011177211.4A CN202011177211A CN112316517B CN 112316517 B CN112316517 B CN 112316517B CN 202011177211 A CN202011177211 A CN 202011177211A CN 112316517 B CN112316517 B CN 112316517B
- Authority
- CN
- China
- Prior art keywords
- filtering
- component
- barrel
- ringing
- driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000001914 filtration Methods 0.000 claims abstract description 57
- 239000002893 slag Substances 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 10
- 235000017491 Bambusa tulda Nutrition 0.000 description 10
- 241001330002 Bambuseae Species 0.000 description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 10
- 239000011425 bamboo Substances 0.000 description 10
- 239000013049 sediment Substances 0.000 description 10
- 241000220317 Rosa Species 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Images
Classifications
-
- 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
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
-
- 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
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/143—Filter condition indicators
- B01D35/1435—Filter condition indicators with alarm means
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a building water filtering device which comprises a filtering box, an alarm mechanism and a fixing frame, wherein the alarm mechanism is higher than the filtering box; the alarm mechanism comprises a driving component, a ringing component and a bell, wherein the driving component is mounted on the fixed frame, the ringing component is arranged above the driving component, the ringing component is connected with the driving component, and the bell is fixed on one side of the ringing component; the driving assembly comprises a motor and a gear arranged at the output end of the motor, and the ringing assembly comprises a clamping dial, a rotating shaft and a dial rod; when the slag collecting barrel is filled with filter slag, the gear of the driving component can drive the shifting lever of the ringing component to beat the ringing bell. The invention has the following beneficial effects: the alarm mechanism is arranged on the fixing frame, and the slag collecting barrel at the lower part of the filter box is electrically connected with the alarm mechanism in a mode that the slag collecting barrel can be used for filtering, collecting and filling filter residues, so that a circuit is closed, and the driving assembly drives the ringing assembly to beat and ring. The invention has higher automation degree and effectively reduces the occurrence of blockage of the filter box.
Description
Technical Field
The invention relates to the technical field of building water filtering devices, in particular to a building water filtering device.
Background
Be in the lower building of relief, because the drainage of structure seepage water and escape canal, ponding appears easily in the building, if do not discharge ponding in time, can cause the damage to the substructure of building. Therefore, a drainage device is generally installed at a low-lying part of a building to drain accumulated water, and water is pumped and drained through equipment such as a water pump so as to realize pumping and draining of sewage at the low-lying part. However, the sewage in the low-lying area is easily doped with a large amount of impurities, such as leaves, large-sized sand grains, etc., and if the sewage is directly pumped and discharged, the sewage is not favorable for protecting equipment such as a water pump, etc.
Present filter equipment structure is as shown in fig. 1, and 1 one side of rose box is water inlet 16, and the design of 1 lower part of rose box has delivery port 13, and the design is just filtered the subassembly and is carried out the primary filtration in rose box 1, then the ponding after filtering carries out the secondary filtration by refilter assembly 15, and the filter residue after the secondary filtration slips to in installing collection sediment section of thick bamboo 14 in the lower part of rose box 1 under the action of gravity, therefore must take off collection sediment section of thick bamboo 14 clearance filter residue after using a period.
Above-mentioned filter equipment's defect lies in, because impurity difference in the ponding, whether the filter residue of remaining in album sediment section of thick bamboo 14 after filtering fills up also can not accurately be confirmed, and the operator can't learn when this clearance album sediment section of thick bamboo 14, consequently often takes place to filter for a long time after album sediment section of thick bamboo 14 fills up the filter residue, the filter residue blocks up the condition of refiltering subassembly 15 again, to sum up the condition, present filter equipment still remains to be improved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a building water filtering device, which solves the problem that whether a slag collecting cylinder is filled with filter residues or not and when the slag collecting cylinder is replaced cannot be known when the filtering device in the prior art is used.
According to the embodiment of the invention, the building water filtering device comprises a bell, a filtering tank, an alarm mechanism higher than the filtering tank and a fixing frame, wherein the filtering tank is arranged on the fixing frame, and a slag collecting barrel at the lower part of the filtering tank is electrically connected to the alarm mechanism; the alarm mechanism comprises a driving component, a ringing component and a bell, wherein the driving component is mounted on a fixed frame, the ringing component is arranged above the driving component, the ringing component is connected with the driving component, and the bell is fixed on one side of the ringing component; the drive component comprises a motor and a gear arranged at the output end of the motor, and the ringing component comprises a clamping and poking rod, a rotating shaft and a poking rod; when the slag collecting barrel is filled with filter slag, the connecting circuit is triggered, and the driving component can drive the gear and further drive the driving lever of the ringing component to beat a bell ring; the clamping dial is fixed at one end of the shifting lever, two ends of the clamping dial are bent and face the gear, and one end, close to the clamping dial, of the shifting lever is sleeved on the rotating shaft fixed on the fixing frame, so that the shifting lever can be driven to rotate through the clamping dial when the gear rotates.
The technical principle of the invention is as follows: when the water-saving filter box is used, the fixing frame is placed on the ground, then the water inlet end of the filter box is placed in accumulated water, and the accumulated water is pumped into the filter box at the water outlet end of the filter box by using the water pump. After using a period, just can fill the filter residue in the sediment section of thick bamboo of collection, and then a sediment section of thick bamboo circuit closure of collection, drive assembly work, drive assembly drive attack the subassembly work of sounding, attack the subassembly and just can strike the jingle bell in order to send out the police dispatch newspaper, remind the operator to clear up a sediment section of thick bamboo of collection, alright in order to continue filtering.
Compared with the prior art, the invention has the following beneficial effects: install alarm mechanism on the mount, through the mode that alarm mechanism and the collection sediment section of thick bamboo electricity of rose box lower part are connected for a collection sediment section of thick bamboo can collect the filter residue and fill the back in filtering, can act as the function of switch, thereby closed circuit, makes drive assembly drive and strikes the subassembly and strike the jingle bell. Compared with the traditional mode of judging whether the slag collecting barrel is full or not by experience, the automatic slag collecting device has the advantages that the automation degree is higher, the judgment result is more accurate, and the situation that the filter box is blocked is effectively reduced.
Drawings
Fig. 1 is a schematic view of a conventional filter device.
FIG. 2 is a schematic view of a filtration apparatus of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a cross-sectional view of a filter box of the present invention.
FIG. 5 is a sectional view of the slag trap.
Fig. 6 is an enlarged view of fig. 5 at B.
In the drawings, wherein: the filter box 1, the hose 11, the water inlet part 12, the water outlet 13, the slag collecting barrel 14, the outer barrel 141, the chute 1411, the inner barrel 142, the spring 143, the sliding ring 144, the mud blocking plate 145, the sealing membrane 146, the metal sheet 147, the secondary filter assembly 15, the filter plate 151, the mounting plate 152, the water inlet 16, the alarm mechanism 2, the driving assembly 21, the gear 211, the striking assembly 22, the clamping dial 221, the rotating shaft 222, the shift lever 223, the bell 23 and the fixing frame 3.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
As shown in fig. 2, the embodiment of the invention provides a building water filtering device, which comprises a filtering box 1, an alarm mechanism 2 and a fixing frame 3, wherein the filtering box 1 is arranged on the fixing frame 3, and a slag collecting barrel 14 at the lower part of the filtering box 1 is electrically connected to the alarm mechanism 2. In the invention, a primary filtering component in a filtering box 1 is arranged at a water inlet 16, a secondary filtering component 15 is arranged in the filtering box 1, and a water outlet 13 is arranged at the lower part of the filtering box 1; the alarm mechanism 2 comprises a driving component 21, a ringing component 22 and a bell 23, the driving component 21 is mounted on the fixing frame 3, the ringing component 22 is arranged above the driving component 21, the ringing component 22 is connected with the driving component 21, the bell 23 is fixed on one side of the ringing component 22, the bell 23 is made of metal materials, the upper part of the bell 23 is fixed on the fixing frame 3 and is located on the upper part of the fixing frame 3, the bell 23 is far away from the ground, so that alarm sound can be conveniently transmitted, and the bell 23 is prevented from being submerged by accumulated water; when the slag collecting barrel 14 is filled with filter slag, the driving component 21 can drive the striking component 22 to strike the bell 23.
Further, the driving assembly 21 includes a motor and a gear 211 installed at an output end of the motor, the motor is hidden behind the gear 211 in the drawing, and a back of the motor can be fixed on the fixing frame 3 by using screws. Referring to fig. 3, the striking assembly 22 includes a dial 221, a rotating shaft 222, and a shift lever 223, the dial 221 is fixed at one end of the shift lever 223, the shift lever 223 is disposed in an inclined manner, one end of the shift lever 223 far away from the rotating shaft 222 is placed on the bell 23, the dial 221 contacts with teeth of the gear 211 under the action of gravity of the shift lever 223, the dial 221 is integrally formed in an "n" shape, two ends of the dial 221 are bent and face the gear 211, and one end of the shift lever 223 close to the dial 221 is sleeved on the rotating shaft 222 fixed on the fixing frame 3, so that when the gear 211 rotates, the shift lever 223 is driven to rotate by the dial 221.
Further, as shown in fig. 5 and 6, the slag collecting barrel 14 includes an outer barrel 141, an inner barrel 142, a spring 143, and a connecting member, the outer barrel 141 is sleeved outside the inner barrel 142, the outer barrel 141 and the inner barrel 142 are both bottle-shaped structures, an external thread is provided at the upper end of the outer barrel 141, and is in threaded connection with the lower portion of the filter tank 1 through the external thread, the upper portions of the outer barrel 141 and the inner barrel 142 are both provided with a slag inlet, the spring 143 is provided between the lower portion of the inner barrel 142 and the outer barrel 141, the spring 143 is located below the inner barrel 142, the lower end of the inner barrel 142 is far away from the lower end of the outer barrel 141 under the action of the spring 143, and metal sheets 147 are respectively fixed on the inner bottom of the inner barrel 142 and the inner bottom of the outer barrel 141, each metal sheet 147 is respectively electrically connected to the motor, and is guided to pass through the outer barrel 141 and then welded to the metal sheets 147, and a wire connection power supply is a conventional technology, which is omitted here for brevity. In the present application, after the inner cylinder 142 is filled with filter residues, the metal sheet 147 at the lower part of the inner cylinder 142 can contact with the metal sheet 147 on the outer cylinder 141, so that the circuit is closed, current is transmitted to the motor, and the residue collection cylinder 14 plays a role of a trigger switch; in order to increase the connection strength, the inner cylinder 142 and the outer cylinder 141 are connected by two connection parts, which are located at the upper portions of the inner cylinder 142 and the outer cylinder 141.
Furthermore, both the connecting parts include a sliding ring 144, the sliding ring 144 is fixed on a side surface of one end of the inner cylinder 142 away from the spring 143, the sliding ring 144 is disposed on an upper portion of the inner cylinder 142 in a sealing manner, so that impurities and water can be prevented from entering between the inner cylinder 142 and the outer cylinder 141 to the maximum extent, a sliding head is fixed on a side of the sliding ring 144 close to the outer cylinder 141, and the sliding head is slidably disposed in a sliding groove 1411 formed in the outer cylinder 141. In order to avoid short circuit caused by water entering between the inner cylinder 142 and the outer cylinder 141, an annular waterproof sealing film 146 may be further disposed between the inner cylinder 142 and the outer cylinder 141, and the waterproof sealing film 146 has a flexible structure so as not to block the relative movement of the inner cylinder 142 and the outer cylinder 141.
Further, the connecting component further includes a mud blocking plate 145 located on one side of the chute 1411 formed in the outer cylinder 141, the mud blocking plate 145 is located on two sides of the sliding ring 144, and the mud blocking plate 145 is fixed to the sliding ring 144, so that when the inner cylinder 142 moves relative to the outer cylinder 141, the mud blocking plate 145 can block filter residues from entering the chute 1411.
Further, as shown in fig. 4, a re-filtering assembly 15 is arranged in the filtering tank 1, the re-filtering assembly 15 in the filtering tank 1 comprises a filtering plate 151 and a mounting plate 152, the filtering plate 151 is obliquely connected to the lower part of the mounting plate 152, the filtering plate 151 is located on one side of the slag collecting barrel 14, and the mounting plate 152 is detachably connected to the upper part of the filtering tank 1 through screws.
Further, a water inlet 16 of the filter box 1 is connected with a hose 11, a horn-shaped water inlet portion 12 is fixed at the end of the hose 11, the hose 11 enables the filter box 1 to be far away from accumulated water, and a primary filter assembly is designed in the water inlet portion 12 to prevent large-sized impurities from entering the filter box 1.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The building water filtering device is characterized by comprising a bell (23), a filtering box (1), an alarm mechanism (2) higher than the filtering box (1) and a fixing frame (3), wherein the filtering box (1) is arranged on the fixing frame (3), and a slag collecting barrel (14) at the lower part of the filtering box (1) is electrically connected to the alarm mechanism (2);
the alarm mechanism (2) comprises a driving component (21), a ringing component (22) and a bell (23), the driving component (21) is mounted on the fixing frame (3), the ringing component (22) is arranged above the driving component (21), the ringing component (22) is connected with the driving component (21), and the bell (23) is fixed on one side of the ringing component (22); the driving assembly (21) comprises a motor and a gear (211) arranged at the output end of the motor, and the ringing assembly (22) comprises a clamping dial (221), a rotating shaft (222) and a shifting lever (223); when the slag collecting cylinder (14) is filled with filter residues, the communicating circuit is triggered, and the driving component (21) can drive the gear (211) and further drive the shift lever (223) of the ringing component (22) to beat the bell (23);
card is dialled (221) and is fixed in driving lever (223) one end, and card is dialled (221) both ends and is buckled and towards gear (211), driving lever (223) are close to card and dial (221) one end cover to be located and fix on mount (3) on axis of rotation (222) to when gear (211) rotate can pass through card is dialled (221) and is driven driving lever (223) and rotate.
2. The building water filtering device according to claim 1, wherein the slag collecting barrel (14) comprises an outer barrel (141), an inner barrel (142), a spring (143) and a connecting part, the outer barrel (141) is sleeved outside the inner barrel (142), the outer barrel (141) is in threaded connection with the filtering tank (1), slag inlets are formed in the upper portions of the outer barrel (141) and the inner barrel (142), the spring (143) is arranged between the lower portion of the inner barrel (142) and the outer barrel (141), metal sheets (147) are respectively fixed on the lower portion of the inner barrel (142) and the inner bottom of the outer barrel (141), and each metal sheet (147) is electrically connected to the driving assembly (21) respectively, so that the metal sheets (147) at the lower portion of the inner barrel (142) can be in contact with the metal sheets (147) on the outer barrel (141) after the inner barrel (142) is filled with the slag; the inner cylinder (142) and the outer cylinder (141) are connected through the two connecting parts, and the connecting parts are positioned at the upper parts of the inner cylinder (142) and the outer cylinder (141).
3. The building water filtering device as claimed in claim 2, wherein the two connecting members each comprise a sliding ring (144), the sliding ring (144) is fixed on one end side of the inner cylinder (142) far away from the spring (143), and the sliding ring (144) is slidably disposed in a sliding slot (1411) formed in the outer cylinder (141).
4. The building water filtering device as claimed in claim 3, wherein the connecting member further comprises a mud blocking plate (145) positioned at one side of the sliding groove (1411) formed in the outer cylinder (141), the mud blocking plate (145) is positioned at two sides of the sliding ring (144), and the mud blocking plate (145) is fixed with the sliding ring (144).
5. A construction water filtering device according to claim 1, characterized in that a re-filtering assembly (15) is arranged in the filtering tank (1), the re-filtering assembly (15) comprises a filtering plate (151) and a mounting plate (152), the filtering plate (151) is obliquely connected to the lower part of the mounting plate (152), the filtering plate (151) is positioned at one side of the slag collecting barrel (14), and the mounting plate (152) is detachably connected to the upper part of the filtering tank (1).
6. A building water filtering device according to any one of claims 1-5, characterized in that the inlet (16) of the filtering tank (1) is connected with a hose (11), and the end of the hose (11) is fixed with a trumpet-shaped water inlet part (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011177211.4A CN112316517B (en) | 2020-10-28 | 2020-10-28 | Building water filter equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011177211.4A CN112316517B (en) | 2020-10-28 | 2020-10-28 | Building water filter equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112316517A CN112316517A (en) | 2021-02-05 |
CN112316517B true CN112316517B (en) | 2022-07-22 |
Family
ID=74297686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011177211.4A Active CN112316517B (en) | 2020-10-28 | 2020-10-28 | Building water filter equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112316517B (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007289794A (en) * | 2006-04-20 | 2007-11-08 | Okatsune Haguruma Seisakusho:Kk | Washing water-recycling device |
CN209596662U (en) * | 2019-01-26 | 2019-11-08 | 苏州山水源环保科技有限公司 | A kind of sewage deslagging device |
CN210560312U (en) * | 2019-06-20 | 2020-05-19 | 祁东县万福岭油茶有限公司 | Filter equipment that tea-seed oil refined |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016123426A1 (en) * | 2016-12-05 | 2018-06-07 | Volkswagen Aktiengesellschaft | Method and exhaust system for testing a loading condition of a particulate filter |
CN109107240A (en) * | 2018-10-30 | 2019-01-01 | 禹州市灵龙渔机泵业有限公司 | A kind of chamber filter press residue collection transport device |
CN210786478U (en) * | 2019-09-20 | 2020-06-19 | 蓝光显 | Avoid useless emulsion filter equipment of filtration pore jam |
CN211383974U (en) * | 2019-11-05 | 2020-09-01 | 四川裕德源生态农业科技有限公司 | Liquid residue filtering device |
CN111167205A (en) * | 2019-12-17 | 2020-05-19 | 石家庄飞机工业有限责任公司 | Rapid filtering and deslagging device |
-
2020
- 2020-10-28 CN CN202011177211.4A patent/CN112316517B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007289794A (en) * | 2006-04-20 | 2007-11-08 | Okatsune Haguruma Seisakusho:Kk | Washing water-recycling device |
CN209596662U (en) * | 2019-01-26 | 2019-11-08 | 苏州山水源环保科技有限公司 | A kind of sewage deslagging device |
CN210560312U (en) * | 2019-06-20 | 2020-05-19 | 祁东县万福岭油茶有限公司 | Filter equipment that tea-seed oil refined |
Also Published As
Publication number | Publication date |
---|---|
CN112316517A (en) | 2021-02-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112316517B (en) | Building water filter equipment | |
CN212250448U (en) | Sewage pump for civil engineering that possesses solid-state debris and collect function | |
CN110528474B (en) | Automatic change hydroelectric power generation sluicing floodgate | |
CN110185124B (en) | Prefabricated pump station of integration of sewage filth autosegregation and promotion | |
CN112681498A (en) | Solid-liquid shunting type integrated sewage lifting pump station | |
CN209989682U (en) | Road surface maintenance watering device | |
CN214914103U (en) | Anti-silting lifting device for inverted siphon | |
CN214940310U (en) | Water pressure induction type sump pit automatic alarm drainage system | |
CN215767783U (en) | Automatic sampler for inspection well | |
CN213038546U (en) | Rainwater discarding device | |
CN211143271U (en) | A block sediment flotation pontoon structure for drainage system | |
CN211855498U (en) | Magnetic liquid level meter with filtering function | |
CN210857161U (en) | Hydraulic and hydroelectric engineering is with device of decontaminating | |
CN212119276U (en) | Concrete waste liquid recycling device | |
CN218562455U (en) | Prefabricated pump station system with rubbish detects clearance function | |
JP2005076382A (en) | Dust collector | |
CN213897425U (en) | Sewage lifting device for water collecting well | |
CN218636723U (en) | Anti-blocking mine drainage equipment | |
CN219195791U (en) | Water conservancy construction drainage device | |
CN216645527U (en) | Building engineering water supply and drainage water yield monitoring device | |
CN219528194U (en) | Building roof drainage structure | |
CN218322910U (en) | Hydraulic engineering desilting device | |
CN218709411U (en) | Waste water floater cleaning device | |
CN220550578U (en) | Drainage device for foundation pit excavation | |
CN220646219U (en) | Small multi-stage submersible pump for nuclear power station pit |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |