CN114278259A - Filling tool for oil field operation - Google Patents
Filling tool for oil field operation Download PDFInfo
- Publication number
- CN114278259A CN114278259A CN202210021791.0A CN202210021791A CN114278259A CN 114278259 A CN114278259 A CN 114278259A CN 202210021791 A CN202210021791 A CN 202210021791A CN 114278259 A CN114278259 A CN 114278259A
- Authority
- CN
- China
- Prior art keywords
- wall
- driving
- rotating shaft
- pipe
- conical
- 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.)
- Granted
Links
- 238000007599 discharging Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims 7
- 230000000694 effects Effects 0.000 abstract description 7
- 239000003208 petroleum Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 14
- 239000007788 liquid Substances 0.000 description 9
- 239000004576 sand Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Cleaning In General (AREA)
Abstract
The invention provides a filling tool for oilfield operation, and relates to the technical field of petroleum fields. This oil field operation fills instrument, including the outer tube, the fixed inner tube that is provided with in outer tube inner, the fixed side that is provided with in the outer side of outer tube middle part fills the mouth, the side direction honeycomb holes of having seted up on the side fills mouthful outer wall fixedly, the stock guide mouth has all been seted up on the pipe shaft inner wall of inner tube both sides, the side feed inlet has all been fixed to have seted up on the relative one side inner wall of side fill mouth, is located the homonymy fixed the cover has connect the feed valve pipe, two between stock guide mouth and the side feed inlet all fixedly on the feed valve pipe is provided with the solenoid valve, the outer tube is close to the fixed toper unloading piece that is provided with between the lower extreme inner wall. The invention provides an oil field operation filling tool, which is stable in structure, easy to operate, better in filling effect than a traditional device, convenient to clean and smooth in discharging.
Description
Technical Field
The invention relates to the technical field of petroleum fields, in particular to a filling tool for oil field operation.
Background
An oil field is a general term for a specific region of crude oil production, sometimes called an underground accumulated oil layer in a specific region, and a plurality of oil regions are broadly called an oil field, and a filling tool is required when the oil field is operated.
Along with the development of socialization, the range of filling tools used in the underground operation of an oil field is wider and wider, the existing filling tools for the underground operation are generally simple in structure, only the lower end can be operated during filling, the periphery cannot be filled, the cleaning at the later stage is troublesome, and the problem of slow blocking and discharging during filling is also existed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a filling tool for oilfield operation, and solves the problems of poor filling effect, inconvenience in cleaning and slow discharging of the existing device.
In order to achieve the purpose, the invention is realized by the following technical scheme: the oil field operation filling tool comprises an outer pipe, wherein an inner pipe is fixedly arranged at the inner end of the outer pipe, a side filling port is fixedly arranged on the outer side of the middle part of the outer pipe, lateral honeycomb holes are fixedly formed in the outer wall of the side filling port, material guide ports are formed in the inner walls of pipe bodies on two sides of the inner pipe, side feed ports are fixedly formed in the inner wall on one side, opposite to the side filling port, a feed valve pipe is fixedly sleeved between the material guide ports and the side feed ports on the same side, and electromagnetic valves are fixedly arranged on the two feed valve pipes;
a conical blanking part is fixedly arranged between the outer pipe and the inner wall of the lower end of the outer pipe, a first driving motor and a second driving motor are fixedly arranged at the inner ends of two sides of the conical blanking part respectively, a first driving rotating shaft is rotatably connected between the inner walls of two sides of the middle part of the conical blanking part, a plurality of first stirring rods are fixedly connected to the outer wall of the first driving rotating shaft, a lower end filling port is fixedly connected to the lower end of the conical blanking part, a discharging honeycomb hole is fixedly formed in the lower end surface of the lower end filling port, a cavity is formed in the outer pipe and close to the inner wall of the lower end of the outer pipe, a second driving rotating shaft is rotatably connected between the inner walls of two sides of the cavity, a plurality of cleaning brushes are fixedly connected to the outer wall of the second driving rotating shaft, a driving groove is formed in the inner wall of one side of the outer pipe close to the lower end, a driving pulley is rotatably arranged at the upper end of the driving groove, and a driven pulley is rotatably arranged at the lower end of the driving groove, the outer ends of the driving belt wheel and the driven belt wheel are sleeved with belts;
the toper unloading spare is close to all fixedly on the front and back both sides up end and has seted up the inlet, cavity both sides inner wall is close to the upper end and goes out all fixedly and be provided with the water injection tube head, two the inlet is respectively with two water injection tube heads through connection.
Preferably, the cavity lower extreme is fixed and is provided with the toper feed opening, toper feed opening lower extreme fixedly connected with valve pipe body, be provided with electric butterfly valve on the valve pipe body.
Preferably, the side filling opening has a ring structure.
Preferably, the lower end of the outer pipe is fixedly sleeved between the inner walls of the circular holes in the middle of the conical discharging part.
Preferably, the first driving rotating shaft penetrates through the conical blanking part and is fixedly connected with the first driving motor, and the first driving rotating shaft is rotatably connected with the conical blanking part.
Preferably, the cavity is disposed below the lower end filling port.
Preferably, the upper end face of the inner pipe is fixedly connected with a device connector.
Preferably, the driving pulley is fixedly connected with the second driving motor through a rotating shaft, and the driven pulley is fixedly connected with the second driving rotating shaft through a rotating shaft.
The working principle is as follows: when the filling tool for oil field operation is used, the inner pipe is connected with an external sand liquid supply device through a device connector, then the device is operated, one part of sand liquid enters a feed valve pipe through a material guide port and then enters a side filling port during operation, the other part of sand liquid continues to move downwards under the action of pressure and sequentially enters a cavity through a conical blanking piece and a lower end filling port, then enters a valve pipe body through a conical blanking port and is finally injected out from the lower end of the device, in the process, a first driving motor drives a first driving rotating shaft to rotate so as to drive a first stirring rod to rotate, the circulation of the sand liquid is maintained, the sand liquid better passes through the lower end filling port, finally the device can be filled at the lower end and the side, the filling effect of the device is improved, when the device needs to be cleaned, an electric butterfly valve is closed, water is injected between the inner pipe and the outer pipe, during rivers flow through the water injection tube head through the inlet and spout to the inner chamber, supplementary second driving motor drives driving pulley simultaneously and rotates, and then drives driven pulley through the belt and rotate, and then drives second drive pivot and rotate, and then drives the cleaning brush and clear up the inner chamber, and pressurization water injection pressure simultaneously, rivers can get into the inner tube inside from the inner tube lower extreme and wash the inner tube, reach the effect of back flush.
The invention provides an oilfield operation filling tool. The method has the following beneficial effects:
1. the invention provides a filling tool for oilfield operation, which can fill the lower end and the periphery of a device at the same time by arranging a side filling port and a lower end filling port, thereby improving the filling effect.
2. The invention provides an oil field operation filling tool, which is characterized in that a first driving motor is arranged to drive a first driving rotating shaft to rotate so as to drive a first stirring rod to rotate, sand liquid is stirred, the circulation of the sand liquid is maintained, and the sand liquid is filled more uniformly and more stably by matching lateral honeycomb holes and discharging honeycomb holes, so that the problems of blockage, slow blanking and the like are solved.
3. The invention provides an oil field operation filling tool, which is characterized in that a water diversion port is arranged to introduce cleaning water flow into an inner cavity, a second driving motor is assisted to drive a driving belt wheel to rotate, a driven belt wheel is driven to rotate through a belt, a second driving rotating shaft is driven to rotate, a cleaning brush is driven to clean the inner cavity, the water flow enters the inner cavity from the lower end of an inner tube through pressurization of the water flow to clean the inner tube, the backwashing effect is achieved, and a cleaning device is simpler.
4. The invention provides an oil field operation filling tool, which is stable in structure, easy to operate, better in filling effect than a traditional device, convenient to clean and smooth in discharging.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a side cross-sectional view of the present invention;
FIG. 4 is a top cross-sectional view of a portion of the structure of the present invention;
fig. 5 is a schematic perspective view of the present invention.
Wherein, 1, an outer tube; 2. an inner tube; 3. a device connector; 4. a side filling port; 5. lateral honeycomb holes; 6. a material guide port; 7. a side feed inlet; 8. a feed valve tube; 9. an electromagnetic valve; 10. a conical blanking member; 11. a first drive motor; 12. a second drive motor; 13. a first drive shaft; 14. a first stirring rod; 15. a lower end filling port; 16. discharging honeycomb holes; 17. a cavity; 18. a second drive shaft; 19. cleaning the brush; 20. a conical feed opening; 21. a valve tube body; 22. an electric butterfly valve; 23. a drive slot; 24. a driving pulley; 25. a driven pulley; 26. a belt; 27. a water diversion port; 28. a water injection pipe head.
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 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.
Example (b):
as shown in fig. 1 to 5, an oil field operation filling tool provided in an embodiment of the present invention includes an outer tube 1, an inner tube 2 is fixedly disposed at an inner end of the outer tube 1, a side filling port 4 is fixedly disposed at an outer side of a middle portion of the outer tube 1, a lateral honeycomb hole 5 is fixedly disposed on an outer wall of the side filling port 4, material guiding ports 6 are respectively disposed on inner walls of tube bodies at two sides of the inner tube 2, side feeding ports 7 are respectively fixedly disposed on inner walls at opposite sides of the side filling port 4, feeding valve tubes 8 are fixedly sleeved between the material guiding ports 6 and the side feeding ports 7 at the same side, electromagnetic valves 9 are respectively fixedly disposed on the two feeding valve tubes 8, and the electromagnetic valves 9 are used for closing the feeding valve tubes 8 when side filling is not required.
A conical blanking part 10 is fixedly arranged between the inner walls of the outer pipe 1 close to the lower end, the inner ends of the two sides of the conical blanking part 10 are respectively and fixedly provided with a first driving motor 11 and a second driving motor 12, a first driving rotating shaft 13 is rotatably connected between the inner walls of the two sides of the middle part of the conical blanking part 10, the outer wall of the first driving rotating shaft 13 is fixedly connected with a plurality of first stirring rods 14, the first driving rotating shaft 13 is driven to rotate by the first driving motor 11, so that the first stirring rods 14 are driven to rotate to stir the sand liquid passing through the lower end filling port 15, the lower end of the conical blanking part 10 is fixedly connected with a lower end filling port 15, the lower end surface of the lower end filling port 15 is fixedly provided with a discharging honeycomb hole 16, the inner wall of the outer pipe 1 close to the lower end is provided with a cavity 17, a second driving rotating shaft 18 is rotatably connected between the inner walls of the two sides of the cavity 17, and a plurality of cleaning brushes 19 are fixedly connected on the outer wall of the second driving rotating shaft 18, the inner wall of one side of the outer pipe 1 close to the lower end is provided with a driving groove 23, the upper end of the driving groove 23 is rotatably provided with a driving belt wheel 24, the lower end of the driving groove 23 is rotatably provided with a driven belt wheel 25, and the outer ends of the driving belt wheel 24 and the driven belt wheel 25 are sleeved with a belt 26.
The conical blanking part 10 is close to the upper end faces of the front side and the rear side and is fixedly provided with water inlets 27, the inner walls of the two sides of the cavity 17 are close to the upper end and are fixedly provided with water injection pipe heads 28, the two water inlets 27 are respectively communicated with the two water injection pipe heads 28 and are used for pressurizing water injection between the outer pipe 1 and the inner pipe 2, and water flows are guided to the water injection pipe heads 28 through the water inlets 27 and are sprayed out.
The lower end of the cavity 17 is fixedly provided with a conical feed opening 20, the lower end of the conical feed opening 20 is fixedly connected with a valve pipe body 21, the valve pipe body 21 is provided with an electric butterfly valve 22, the side filling opening 4 is of an annular structure, the lower end of the outer pipe 1 is fixedly sleeved between the inner walls of a circular hole in the middle of the conical feed part 10, a first driving rotating shaft 13 penetrates through the conical feed part 10 and is fixedly connected with a first driving motor 11, the first driving rotating shaft 13 is rotatably connected with the conical feed part 10, the cavity 17 is arranged below a lower end filling opening 15, the upper end face of the inner pipe 2 is fixedly connected with a device connector 3, the driving belt wheel 24 is fixedly connected with a second driving motor 12 through a rotating shaft, the driven belt wheel 25 is fixedly connected with the second driving rotating shaft 18 through a rotating shaft, the driving belt wheel 24 is driven to rotate through the second driving motor 12, and the belt 26 is used for driving the driven belt wheel 25 to rotate so as to drive the second driving rotating shaft 18 to rotate, and then drives the cleaning brush 19 to rotate, so as to clean the inner wall of the cavity 17.
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 (8)
1. Oil field operation filling tool includes outer tube (1), its characterized in that: the inner end of the outer pipe (1) is fixedly provided with an inner pipe (2), the outer side of the middle part of the outer pipe (1) is fixedly provided with a side filling port (4), the outer wall of the side filling port (4) is fixedly provided with a side honeycomb hole (5), the inner walls of pipe bodies at two sides of the inner pipe (2) are respectively provided with a material guide port (6), the inner wall at one side opposite to the side filling port (4) is respectively and fixedly provided with a side feed port (7), a feed valve pipe (8) is fixedly sleeved between the material guide port (6) and the side feed port (7) at the same side, and electromagnetic valves (9) are respectively and fixedly arranged on the two feed valve pipes (8);
the outer tube (1) is fixedly provided with a conical blanking part (10) close to the inner wall of the lower end, the inner ends of the two sides of the conical blanking part (10) are respectively and fixedly provided with a first driving motor (11) and a second driving motor (12), the inner walls of the two sides of the middle part of the conical blanking part (10) are rotatably connected with a first driving rotating shaft (13), the outer wall of the first driving rotating shaft (13) is fixedly connected with a plurality of first stirring rods (14), the lower end of the conical blanking part (10) is fixedly connected with a lower end filling port (15), the lower end face of the lower end filling port (15) is fixedly provided with a discharging honeycomb hole (16), the outer tube (1) is provided with a cavity (17) close to the inner wall of the lower end, the inner wall of the two sides of the cavity (17) is rotatably connected with a second driving rotating shaft (18), and the outer wall of the second driving rotating shaft (18) is fixedly connected with a plurality of cleaning brushes (19), a driving groove (23) is formed in the inner wall of one side, close to the lower end, of the outer pipe (1), a driving belt wheel (24) is rotatably arranged at the upper end of the driving groove (23), a driven belt wheel (25) is rotatably arranged at the lower end of the driving groove (23), and belts (26) are sleeved at the outer ends of the driving belt wheel (24) and the driven belt wheel (25);
toper unloading spare (10) are close to all fixedly on the front and back both sides up end and have seted up water diversion mouth (27), cavity (17) both sides inner wall is close to the upper end and goes out all fixedly and be provided with water injection tube head (28), two water diversion mouth (27) are connected with two water injection tube heads (28) through respectively.
2. The oilfield operation packing tool of claim 1, wherein: the improved automatic feeding device is characterized in that a conical feed opening (20) is fixedly arranged at the lower end of the cavity (17), a valve pipe body (21) is fixedly connected to the lower end of the conical feed opening (20), and an electric butterfly valve (22) is arranged on the valve pipe body (21).
3. The oilfield operation packing tool of claim 1, wherein: the side filling opening (4) is of an annular structure.
4. The oilfield operation packing tool of claim 1, wherein: the lower end of the outer pipe (1) is fixedly sleeved between the inner walls of the circular holes in the middle of the conical discharging piece (10).
5. The oilfield operation packing tool of claim 1, wherein: the first driving rotating shaft (13) penetrates through the conical discharging part (10) and is fixedly connected with the first driving motor (11), and the first driving rotating shaft (13) is rotatably connected with the conical discharging part (10).
6. The oilfield operation packing tool of claim 1, wherein: the cavity (17) is arranged below the lower end filling opening (15).
7. The oilfield operation packing tool of claim 1, wherein: the upper end face of the inner pipe (2) is fixedly connected with a device connector (3).
8. The oilfield operation packing tool of claim 1, wherein: the driving belt wheel (24) is fixedly connected with the second driving motor (12) through a rotating shaft, and the driven belt wheel (25) is fixedly connected with the second driving rotating shaft (18) through a rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210021791.0A CN114278259B (en) | 2022-01-10 | 2022-01-10 | Filling tool for oilfield operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210021791.0A CN114278259B (en) | 2022-01-10 | 2022-01-10 | Filling tool for oilfield operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114278259A true CN114278259A (en) | 2022-04-05 |
| CN114278259B CN114278259B (en) | 2024-08-23 |
Family
ID=80880625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210021791.0A Active CN114278259B (en) | 2022-01-10 | 2022-01-10 | Filling tool for oilfield operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114278259B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1281088A (en) * | 2000-08-25 | 2001-01-24 | 王松 | One-step filling technology for isolating high pressure and its tool |
| US20020104650A1 (en) * | 1997-10-16 | 2002-08-08 | Dusterhoft Ronald Glen | Method and apparatus for frac/gravel packs |
| US20060076133A1 (en) * | 2004-10-08 | 2006-04-13 | Penno Andrew D | One trip liner conveyed gravel packing and cementing system |
| CN202209169U (en) * | 2011-08-23 | 2012-05-02 | 东营市东营区和光科技有限责任公司 | Pickling and filling tool outside horizontal well casing |
| CN106761625A (en) * | 2015-11-24 | 2017-05-31 | 中国石油化工股份有限公司 | Underground thermal-arrest temperature-control energy-saving completion integral tubing string and technique |
| CN206346725U (en) * | 2016-08-29 | 2017-07-21 | 胜利油田金岛实业有限责任公司 | Laminated distributor under well formula packing tool |
| CN207245685U (en) * | 2017-08-24 | 2018-04-17 | 汪继军 | A kind of production wellhead fills integrated device |
| CN207863936U (en) * | 2018-01-22 | 2018-09-14 | 东营市瑞丰石油技术发展有限责任公司 | Multilayer huge discharge squeeze pack tool |
| CN208543633U (en) * | 2018-05-25 | 2019-02-26 | 成都曌昊科技有限公司 | A kind of abundant slurry device of petroleum drilling and mining cementing concrete |
| CN112065315A (en) * | 2020-09-15 | 2020-12-11 | 东营市正能石油科技有限公司 | Sand control fills integration wellhead assembly |
| CN213741085U (en) * | 2020-11-23 | 2021-07-20 | 温州宏源建设集团有限公司 | Stifled cementer is prevented to hydraulic engineering |
-
2022
- 2022-01-10 CN CN202210021791.0A patent/CN114278259B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020104650A1 (en) * | 1997-10-16 | 2002-08-08 | Dusterhoft Ronald Glen | Method and apparatus for frac/gravel packs |
| CN1281088A (en) * | 2000-08-25 | 2001-01-24 | 王松 | One-step filling technology for isolating high pressure and its tool |
| US20060076133A1 (en) * | 2004-10-08 | 2006-04-13 | Penno Andrew D | One trip liner conveyed gravel packing and cementing system |
| CN202209169U (en) * | 2011-08-23 | 2012-05-02 | 东营市东营区和光科技有限责任公司 | Pickling and filling tool outside horizontal well casing |
| CN106761625A (en) * | 2015-11-24 | 2017-05-31 | 中国石油化工股份有限公司 | Underground thermal-arrest temperature-control energy-saving completion integral tubing string and technique |
| CN206346725U (en) * | 2016-08-29 | 2017-07-21 | 胜利油田金岛实业有限责任公司 | Laminated distributor under well formula packing tool |
| CN207245685U (en) * | 2017-08-24 | 2018-04-17 | 汪继军 | A kind of production wellhead fills integrated device |
| CN207863936U (en) * | 2018-01-22 | 2018-09-14 | 东营市瑞丰石油技术发展有限责任公司 | Multilayer huge discharge squeeze pack tool |
| CN208543633U (en) * | 2018-05-25 | 2019-02-26 | 成都曌昊科技有限公司 | A kind of abundant slurry device of petroleum drilling and mining cementing concrete |
| CN112065315A (en) * | 2020-09-15 | 2020-12-11 | 东营市正能石油科技有限公司 | Sand control fills integration wellhead assembly |
| CN213741085U (en) * | 2020-11-23 | 2021-07-20 | 温州宏源建设集团有限公司 | Stifled cementer is prevented to hydraulic engineering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114278259B (en) | 2024-08-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209577669U (en) | A kind of chemistry test tube Quick cleaning device | |
| CN217367350U (en) | Scraper type self-cleaning filter for chlorfenapyr production | |
| CN114278259A (en) | Filling tool for oil field operation | |
| CN106965434A (en) | A kind of 3D printer with automatic cleaning function | |
| CN208727260U (en) | A kind of chemical solution mixing arrangement stirred evenly | |
| CN219670830U (en) | Cloth dyeing machine with cloth double-circulation operation structure | |
| CN209261574U (en) | For removing the device of cutter head of shield machine mud cake | |
| CN209317114U (en) | A kind of sewage precipitation device | |
| CN215881213U (en) | Automatic polishing equipment for surface treatment of complex curved surface contour part | |
| CN214211618U (en) | Premixed concrete automatic mixing conveyor | |
| CN212428854U (en) | Continuous grouting device for shield construction | |
| CN212690854U (en) | Beer outlet valve of beer machine | |
| CN221332913U (en) | Mud discharging device for sewage treatment | |
| CN219224301U (en) | Water sample pretreatment and multi-flow-path distribution device | |
| CN219481671U (en) | Mud scraper for sedimentation tank | |
| CN219400856U (en) | Can remove encapsulating machine discharging device of glue automatically | |
| CN212419010U (en) | Full-automatic bottle washing device | |
| CN219044075U (en) | Masterbatch injection machine convenient to clearance | |
| CN221682504U (en) | Cement pouring equipment for building construction | |
| CN220678877U (en) | Ultrasonic bottle washing machine with automatic water changing structure | |
| CN210240591U (en) | Foaming faucet | |
| CN117427390B (en) | Gate valve energy storage cleaning device, pipeline structure and gate valve with filtering function | |
| CN219541272U (en) | Cosmetic bottle belt cleaning device is used in cosmetics production | |
| CN219815998U (en) | Medicinal liquid preparation device | |
| CN218553835U (en) | Making wine adds device with full-automatic auxiliary material |
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 |