CN212427286U - Hydraulic engineering desilting device - Google Patents
Hydraulic engineering desilting device Download PDFInfo
- Publication number
- CN212427286U CN212427286U CN202020822288.1U CN202020822288U CN212427286U CN 212427286 U CN212427286 U CN 212427286U CN 202020822288 U CN202020822288 U CN 202020822288U CN 212427286 U CN212427286 U CN 212427286U
- Authority
- CN
- China
- Prior art keywords
- pipe
- fixedly connected
- sludge
- mud
- communicated
- 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.)
- Expired - Fee Related
Links
- 239000010802 sludge Substances 0.000 claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 244000309464 bull Species 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 239000012535 impurity Substances 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Images
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a hydraulic engineering desilting device, comprising a base plate, the left side fixedly connected with at bottom plate top stores up the mud tank, the bottom of storing up mud tank inner chamber is provided with the filter, the right side fixedly connected with fixed station at bottom plate top, the bottom intercommunication that stores up mud tank right side has the bleeder line, the right side of bleeder line runs through the bottom of fixed station inner chamber and extends to its right side, the top fixedly connected with sludge pump of fixed station. The utility model discloses a store up mud tank, blow-off pipe, inlet tube, waterproof motor, suction head, annular pipe, broken sword, high-pressure exit tube, second hose, advance mud pipe, pneumatic cylinder, first hose, sludge pump, high pressure water pump, play mud pipe and high pressure nozzle's cooperation and use, it is relatively poor to have solved current desilting device desilting effect, can't get rid of silt completely when the desilting, thereby the easy caking of part silt causes the jam to the pipeline simultaneously to influence the problem of mud emission effect.
Description
Technical Field
The utility model relates to a hydraulic engineering technical field specifically is a hydraulic engineering desilting device.
Background
Hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in the nature to achieve the purpose of removing harm and benefiting, also called water engineering, water is a valuable resource essential for human production and life, but the naturally existing state of the water does not completely meet the needs of human beings, and water flow can be controlled only by building the hydraulic engineering to prevent flood disasters and adjust and distribute water quantity to meet the needs of people for life and production on water resources.
Need handle the silt in the river in the hydraulic engineering work progress, current desilting device desilting effect is relatively poor, can't get rid of silt completely when the desilting, thereby the easy caking of part silt causes the jam to the pipeline simultaneously to influence mud discharge effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic engineering sediment removal device possesses the effectual advantage of desilting, and it is relatively poor to have solved current desilting device desilting effect, can't get rid of silt completely when the desilting, thereby the easy caking of part silt causes the jam to the pipeline simultaneously to influence the problem of mud discharge effect.
In order to achieve the above object, the utility model provides a following technical scheme: a dredging device for hydraulic engineering comprises a bottom plate, wherein a sludge storage tank is fixedly connected to the left side of the top of the bottom plate, a filter plate is arranged at the bottom of an inner cavity of the sludge storage tank, a fixed platform is fixedly connected to the right side of the top of the bottom plate, a water discharge pipe is communicated with the bottom of the right side of the sludge storage tank, the right side of the water discharge pipe penetrates through the bottom of the inner cavity of the fixed platform and extends to the right side of the inner cavity of the fixed platform, a sludge pump is fixedly connected to the top of the fixed platform, a sludge discharge pipe is communicated with the outlet end of the sludge pump, the left side of the sludge discharge pipe penetrates to the top of the inner cavity of the sludge storage tank, the inlet end of the sludge pump is communicated with a first hose, the right side of the first hose is communicated with a sludge inlet pipe, one end, far away from the first hose, of the sludge inlet pipe is communicated with a sludge suction head, a filter screen is fixedly, the inlet end of the high-pressure water pump is communicated with a water inlet pipe, the bottom of the water inlet pipe penetrates to the bottom of the bottom plate, the outlet end of the high-pressure water pump is communicated with a second hose, the right side of the second hose is communicated with a high-pressure outlet pipe, the high-pressure outlet pipe is fixedly connected with the front surface of the mud inlet pipe, one end of the high-pressure outlet pipe, which is far away from the second hose, extends to the upper part of the mud sucking head and is communicated with an annular pipe, the bottom of the annular pipe is communicated with a high-pressure spray head in a surrounding way, the bottom of the surface of the sludge inlet pipe is fixedly sleeved with a connecting plate, the two sides of the top of the connecting plate are both fixedly connected with a waterproof motor, the bottom of the output end of the waterproof motor penetrates to the bottom of the connecting plate and is fixedly connected with a rotating rod, the bottom on bull stick surface is fixed to be equipped with broken sword, the top fixedly connected with pneumatic cylinder on fixed station right side, the right side fixed connection of pneumatic cylinder is in the left side of advancing the mud pipe.
Preferably, both sides of the bottom of the inner cavity of the sludge storage box are fixedly connected with placing plates, the filter plate is placed at the top of the placing plates, and the surface of the water discharge pipe is fixedly provided with a water discharge valve.
Preferably, the surface of the high-pressure outlet pipe is provided with a fixing piece, two sides of the front surface of the fixing piece are provided with fastening screws in a penetrating mode, and the rear sides of the fastening screws penetrate through the front surface of the mud inlet pipe and are in threaded connection with the front surface of the mud inlet pipe.
Preferably, the top of the connecting plate and the outer part of the waterproof motor are fixedly sleeved with a waterproof shell, and the bottom plate is fixedly installed on the ship body.
Preferably, the number of high pressure nozzle is four, and evenly encircles the bottom that communicates and the ring pipe, the bottom of inlet tube extends to the aquatic of desilting department.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a store up mud tank, the bleeder line, the inlet tube, waterproof machine, the suction head, the annular pipe, broken sword, the high-pressure exit tube, the second hose, advance mud pipe, the pneumatic cylinder, first hose, the sludge pump, the high pressure water pump, the cooperation of play mud pipe and high pressure nozzle is used, possess the effectual advantage of desilting, it is relatively poor to have solved current desilting device desilting effect, can't get rid of silt completely when the desilting, thereby the easy caking of part silt causes the jam to the pipeline simultaneously, thereby influence the problem of mud emission effect.
2. The utility model discloses a place the use of board, can support the filter, thereby conveniently take out the filter and wash, use through first hose, can conveniently adjust the position of advancing the mud pipe, use through the second hose, can conveniently adjust the position of high-pressure exit tube, use through the mounting, can conveniently fix the high-pressure exit tube on advancing the mud pipe, use through broken sword, can smash the sludge cake, use through the filter screen, can conveniently filter the large-scale impurity in the mud, avoid it to cause the jam to the sludge pump, use through the drain valve, can conveniently control opening and shutting of bleeder line, thereby can discharge the moisture in the mud, use through the shell, can protect waterproof motor, avoid its inside intake.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the ring-shaped structure of the present invention;
fig. 3 is a left view structure diagram of the fixing table of the present invention.
In the figure: 1 bottom plate, 2 filter, 3 store up mud case, 4 drain pipes, 5 inlet tube, 6 backup pads, 7 waterproof motor, 8 connecting plates, 9 bull sticks, 10 suction head, 11 ring pipes, 12 broken sword, 13 high-pressure exit tubes, 14 second hoses, 15 advance mud pipe, 16 pneumatic cylinders, 17 first hoses, 18 sludge pump, 19 high pressure water pump, 20 fixed stations, 21 play mud pipe, 22 high pressure nozzle, 23 filter screens.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may 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. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses a bottom plate 1, the filter 2, store up mud case 3, the bleeder line 4, inlet tube 5, backup pad 6, waterproof machine 7, connecting plate 8, bull stick 9, the suction head 10, ring pipe 11, broken sword 12, high pressure exit tube 13, second hose 14, advance mud pipe 15, pneumatic cylinder 16, first hose 17, sludge pump 18, high pressure water pump 19, fixed station 20, play mud pipe 21, high pressure nozzle 22 and filter screen 23 part are general standard or the part that technical personnel in the field know, its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental method.
Referring to fig. 1-3, a hydraulic engineering dredging device comprises a bottom plate 1, a sludge storage tank 3 is fixedly connected to the left side of the top of the bottom plate 1, a filter plate 2 is arranged at the bottom of the inner cavity of the sludge storage tank 3, placing plates are fixedly connected to both sides of the bottom of the inner cavity of the sludge storage tank 3, the filter plate 2 is placed on the top of the placing plates, the filter plate 2 can be supported by using the placing plates, so that the filter plate 2 can be conveniently taken out and cleaned, a fixing table 20 is fixedly connected to the right side of the top of the bottom plate 1, a water discharge pipe 4 is communicated with the bottom of the right side of the sludge storage tank 3, a drain valve is fixedly mounted on the surface of the water discharge pipe 4, the opening and closing of the water discharge pipe 4 can be conveniently controlled by using the drain valve, so that moisture in sludge can be discharged, the right side of the water discharge pipe 4 penetrates through the bottom of, the outlet end of the sludge pump 18 is communicated with a sludge outlet pipe 21, the left side of the sludge outlet pipe 21 penetrates to the top of the inner cavity of the sludge storage tank 3, the inlet end of the sludge pump 18 is communicated with a first hose 17, the position of the sludge inlet pipe 15 can be conveniently adjusted by using the first hose 17, the right side of the first hose 17 is communicated with a sludge inlet pipe 15, one end of the sludge inlet pipe 15, which is far away from the first hose 17, is communicated with a sludge suction head 10, the inner cavity of the sludge suction head 10 is fixedly connected with a filter screen 23, large impurities in sludge can be conveniently filtered by using the filter screen 23, the blockage of the sludge pump 18 caused by the large impurities is avoided, the middle end of the inner cavity of the fixed table 20 is fixedly connected with a support plate 6, the top of the support plate 6 is fixedly connected with a high-pressure water pump 19, the inlet end of the high-pressure water pump 19 is communicated with a water inlet pipe 5, the bottom of the water inlet pipe 5 penetrates to, through the use of the second hose 14, the position of the high-pressure outlet pipe 13 can be conveniently adjusted, the right side of the second hose 14 is communicated with the high-pressure outlet pipe 13, the high-pressure outlet pipe 13 is fixedly connected to the front surface of the mud inlet pipe 15, the surface of the high-pressure outlet pipe 13 is provided with a fixing part, two sides of the front surface of the fixing part are provided with fastening screws in a penetrating way, the rear side of each fastening screw penetrates through the front surface of the mud inlet pipe 15 and is in threaded connection with the front surface of the mud inlet pipe 15, the high-pressure outlet pipe 13 can be conveniently fixed on the mud inlet pipe 15 through the fixing part, one end of the high-pressure outlet pipe 13, far away from the second hose 14, extends to the upper part of the mud suction head 10 and is communicated with the annular pipe 11, the bottom of the annular pipe 11 is communicated with the high-pressure spray heads 22 in a surrounding way, the number of the high-pressure spray heads 22 is four, the, the equal fixedly connected with waterproof motor 7 in both sides at connecting plate 8 top, the top of connecting plate 8 and the outside fixed cover that is located waterproof motor 7 are equipped with the waterproof shell, use through the waterproof shell, can protect waterproof motor 7, avoid its inside intaking, bottom plate 1 fixed mounting is on the hull, the bottom of waterproof motor 7 output runs through to the bottom of connecting plate 8 and fixedly connected with bull stick 9, the fixed cover in bottom on bull stick 9 surface is equipped with broken sword 12, use through broken sword 12, can smash the sludge block, the top fixedly connected with pneumatic cylinder 16 on fixed station 20 right side, the right side fixed connection of pneumatic cylinder 16 is in the left side of mud pipe 15, through storing up mud case 3, outlet pipe 4, inlet tube 5, waterproof motor 7, suction head 10, ring pipe 11, broken sword 12, high-pressure outlet pipe 13, second hose 14, mud pipe 15, pneumatic cylinder 16, First hose 17, sludge pump 18, high pressure water pump 19, play mud pipe 21 and high pressure nozzle 22's cooperation is used, possesses the effectual advantage of desilting, and it is relatively poor to have solved current desilting device desilting effect, can't get rid of silt completely when the desilting, thereby the easy caking of part silt causes the jam to the pipeline simultaneously to influence the problem of mud emission effect.
When in use, the dredging device is arranged on the ship body, the sludge suction head 10 is immersed in sludge at the bottom of a river, the water inlet pipe 5 extends into the water surface of the river, the high-pressure water pump 19 is started, water above the river is pumped in through the water inlet pipe 5 by the high-pressure water pump 19 and is sprayed out to the sludge through the second hose 14, the high-pressure outlet pipe 13, the annular pipe 11 and the high-pressure spray head 22, so that the sludge is flushed, the waterproof motor 7 is started, the rotating rod 9 is driven to rotate through the output end of the waterproof motor, the electric crushing cutter 12 is used for crushing the sludge, meanwhile, the hydraulic cylinder 16 is started, the hydraulic cylinder 16 is used for stretching back and forth to drive the sludge inlet pipe 15 to move left and right, so that the sludge is rocked back and forth, the sludge crushing effect is improved, the sludge pump 18 is started, and the sludge is discharged into the sludge storage tank 3 from the sludge suction head 10, the sludge inlet pipe 15, the first hose, the water in the sludge is collected, filtered by the filter plate 2 and flows to the bottom of the inner cavity of the sludge storage tank 3, and can be discharged from the water discharge pipe 4 by opening the water discharge valve.
In summary, the following steps: this hydraulic engineering desilting device, through storing up mud tank 3, bleeder 4, inlet tube 5, waterproof machine 7, suction head 10, ring pipe 11, broken sword 12, high-pressure exit tube 13, second hose 14, advance mud pipe 15, pneumatic cylinder 16, first hose 17, sludge pump 18, high-pressure water pump 19, the cooperation of play mud pipe 21 and high pressure nozzle 22 is used, it is relatively poor to have solved current desilting device desilting effect, can't get rid of silt completely when the desilting, thereby the easy caking of part silt causes the jam to the pipeline simultaneously, thereby influence the problem of mud emission effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (5)
1. The utility model provides a hydraulic engineering desilting device, includes bottom plate (1), its characterized in that: the sludge storage tank (3) is fixedly connected to the left side of the top of the bottom plate (1), a filter plate (2) is arranged at the bottom of an inner cavity of the sludge storage tank (3), a fixed platform (20) is fixedly connected to the right side of the top of the bottom plate (1), a water discharge pipe (4) is communicated with the bottom of the right side of the sludge storage tank (3), the right side of the water discharge pipe (4) penetrates through the bottom of the inner cavity of the fixed platform (20) and extends to the right side of the inner cavity of the fixed platform, a sludge pump (18) is fixedly connected to the top of the fixed platform (20), a sludge outlet pipe (21) is communicated with the outlet end of the sludge pump (18), the left side of the sludge outlet pipe (21) penetrates through the top of the inner cavity of the sludge storage tank (3), a first hose (17) is communicated with the inlet end of the sludge pump (18), a sludge inlet pipe (15) is communicated with the right side of the first hose (17), and a sludge suction head (10, the inner cavity of the mud suction head (10) is fixedly connected with a filter screen (23), the middle end of the inner cavity of the fixed platform (20) is fixedly connected with a support plate (6), the top of the support plate (6) is fixedly connected with a high-pressure water pump (19), the inlet end of the high-pressure water pump (19) is communicated with a water inlet pipe (5), the bottom of the water inlet pipe (5) penetrates through the bottom of the bottom plate (1), the outlet end of the high-pressure water pump (19) is communicated with a second hose (14), the right side of the second hose (14) is communicated with a high-pressure outlet pipe (13), the high-pressure outlet pipe (13) is fixedly connected to the front surface of the mud inlet pipe (15), one end, far away from the second hose (14), of the high-pressure outlet pipe (13) extends to the upper part of the mud suction head (10) and is communicated with a ring-shaped pipe (11), the bottom of the ring-shaped pipe (11) is communicated with a high-pressure spray nozzle, the equal fixedly connected with waterproof motor (7) in both sides at connecting plate (8) top, the bottom of waterproof motor (7) output runs through to bottom and fixedly connected with bull stick (9) of connecting plate (8), the fixed cover in bottom on bull stick (9) surface is equipped with broken sword (12), top fixedly connected with pneumatic cylinder (16) on fixed station (20) right side, the right side fixed connection of pneumatic cylinder (16) is in the left side of advancing mud pipe (15).
2. The hydraulic engineering desilting device of claim 1, characterized in that: the sludge storage tank is characterized in that the two sides of the bottom of the inner cavity of the sludge storage tank (3) are fixedly connected with placing plates, the filter plates (2) are placed at the tops of the placing plates, and the surface of the water discharge pipe (4) is fixedly provided with a water discharge valve.
3. The hydraulic engineering desilting device of claim 1, characterized in that: the surface of the high-pressure outlet pipe (13) is provided with a fixing piece, two sides of the front surface of the fixing piece are provided with fastening screws in a penetrating mode, and the rear sides of the fastening screws penetrate through the front surface of the mud inlet pipe (15) and are in threaded connection with the mud inlet pipe.
4. The hydraulic engineering desilting device of claim 1, characterized in that: the waterproof motor is characterized in that a waterproof shell is fixedly sleeved on the top of the connecting plate (8) and outside the connecting plate, wherein the waterproof shell is located on the waterproof motor (7), and the bottom plate (1) is fixedly installed on the ship body.
5. The hydraulic engineering desilting device of claim 1, characterized in that: the quantity of high pressure nozzle (22) is four, and evenly encircles the bottom of intercommunication and toroidal tube (11), the bottom of inlet tube (5) extends to the aquatic of desilting department.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020822288.1U CN212427286U (en) | 2020-05-15 | 2020-05-15 | Hydraulic engineering desilting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020822288.1U CN212427286U (en) | 2020-05-15 | 2020-05-15 | Hydraulic engineering desilting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212427286U true CN212427286U (en) | 2021-01-29 |
Family
ID=74286683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020822288.1U Expired - Fee Related CN212427286U (en) | 2020-05-15 | 2020-05-15 | Hydraulic engineering desilting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212427286U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113073698A (en) * | 2021-02-24 | 2021-07-06 | 袁乙刚 | Air suction dredger for road and bridge construction |
| CN113073699A (en) * | 2021-02-24 | 2021-07-06 | 袁乙刚 | Air mud suction method for road and bridge construction |
| CN114182777A (en) * | 2021-12-22 | 2022-03-15 | 临沂临恒环保科技有限公司 | A mechanical dredging device for marine sewage treatment |
-
2020
- 2020-05-15 CN CN202020822288.1U patent/CN212427286U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113073698A (en) * | 2021-02-24 | 2021-07-06 | 袁乙刚 | Air suction dredger for road and bridge construction |
| CN113073699A (en) * | 2021-02-24 | 2021-07-06 | 袁乙刚 | Air mud suction method for road and bridge construction |
| CN113073699B (en) * | 2021-02-24 | 2024-01-02 | 袁乙刚 | Air mud sucking method for road and bridge construction |
| CN113073698B (en) * | 2021-02-24 | 2024-01-05 | 袁乙刚 | Air suction dredge for road and bridge construction |
| CN114182777A (en) * | 2021-12-22 | 2022-03-15 | 临沂临恒环保科技有限公司 | A mechanical dredging device for marine sewage treatment |
| CN114182777B (en) * | 2021-12-22 | 2023-09-01 | 临沂临恒环保科技有限公司 | A mechanical dredging device for marine sewage treatment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212427286U (en) | Hydraulic engineering desilting device | |
| CN211097825U (en) | Oil field water injection recoil type filtering dirt remover | |
| CN214994215U (en) | River channel treatment dredging device | |
| CN115324003A (en) | Marine spilled oil collecting device convenient to clearance | |
| CN213388055U (en) | Sea surface spilled oil separating and recycling device | |
| CN216195019U (en) | Effectual dredging device for hydraulic engineering of desilting | |
| CN218622361U (en) | An underwater dredging vessel | |
| CN219111003U (en) | Seawater desalination device for ships | |
| CN210660743U (en) | Immersible pump shell convenient to it is fixed | |
| CN222033855U (en) | A water injection well filter structure | |
| CN116357626B (en) | External filter equipment for self priming pump that is difficult for jam | |
| CN213805565U (en) | A dredging device for water conservancy projects | |
| CN214832318U (en) | Hydraulic engineering construction drainage device | |
| CN111744255B (en) | Immersed disc slurry purification device | |
| CN212375144U (en) | Filter device of spiral sludge dewatering machine | |
| CN207774863U (en) | A kind of negative pressure suction type water body floater cleaning machine | |
| CN108187370A (en) | Inhale foam machine | |
| CN210159263U (en) | Filter tank convenient to clean for sewage treatment | |
| CN220847848U (en) | Pressurizing water supply device for building fire-fighting facility engineering | |
| CN210917534U (en) | Underwater dredging device | |
| CN222025173U (en) | A water supply system for building fire protection | |
| CN219690650U (en) | Secondary pressure-superposed water supply equipment | |
| CN220899882U (en) | Natural gas separation and purification device | |
| CN220487953U (en) | Multistage centrifugal pump with filter | |
| CN221981691U (en) | Filter equipment before yellow river water droplet lavage pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |