CN213556620U - Oil field decompression increases notes device - Google Patents

Oil field decompression increases notes device Download PDF

Info

Publication number
CN213556620U
CN213556620U CN202022507034.3U CN202022507034U CN213556620U CN 213556620 U CN213556620 U CN 213556620U CN 202022507034 U CN202022507034 U CN 202022507034U CN 213556620 U CN213556620 U CN 213556620U
Authority
CN
China
Prior art keywords
fixedly connected
bottom plate
water
oil field
water pump
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
Application number
CN202022507034.3U
Other languages
Chinese (zh)
Inventor
王恩强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yan'an Haolun Petroleum Engineering Technology Service Co ltd
Original Assignee
Yan'an Haolun Petroleum Engineering Technology Service Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yan'an Haolun Petroleum Engineering Technology Service Co ltd filed Critical Yan'an Haolun Petroleum Engineering Technology Service Co ltd
Priority to CN202022507034.3U priority Critical patent/CN213556620U/en
Application granted granted Critical
Publication of CN213556620U publication Critical patent/CN213556620U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model provides an oil field step-down increases and annotates device belongs to oil field development engineering technical field, and this oil field step-down increases and annotates device includes bottom plate, agitator tank and step motor, the lower fixed surface of bottom plate is connected with the protection bucket, the inner wall swing joint of protection bucket has the irrigation bucket, the bottom fixedly connected with reference column of irrigation bucket, the upper portion fixedly connected with fixed disk of irrigation bucket inner wall. This oil field step-down increases annotates device, through the water tank, first water pump, the medical kit, the second water pump, the setting of agitator tank and choke valve, when the using device, start the second motor and drive the water of first water pump in with the water tank and take out to the second water pipe through first water pipe, thereby get into the agitator tank, start the third motor and drive the second water pump and take out to the second medical pipe through first medical pipe with the medicament in the medical kit, thereby get into the agitator tank and mix the stirring with water, can effectual palm accuse water and the input proportion of medicament, thereby ensure the input volume of medicament.

Description

Oil field decompression increases notes device
Technical Field
The utility model belongs to the technical field of oil field development engineering, concretely relates to oil field step-down increases annotates device.
Background
Along with the rapid development of economy in China, the demand on petroleum energy is gradually improved, along with the gradual development of oil fields, the exploitation difficulty of the oil fields is increasingly high, due to the fact that natural cracks develop or interlayer stress is poor, the fracturing scale is increased, and water layers in stratums are easily communicated from the longitudinal direction, so that the problem of rapid water breakthrough of the oil wells occurs, even violent flooding occurs in the initial production stage of some wells, the oil field development is seriously damaged, in order to improve the oil exploitation efficiency and ensure that the oil fields can be developed for a long time, the exploitation of the oil wells needs to be realized through pressure reduction and injection increase in the oil field exploitation process.
Present oil field step-down increases annotates device when using, the medicament that can not the intensive mixing interpolation, cause the medicament to dissolve inadequately, thereby the result of use of medicament has been reduced, and lead to the medicament input volume to be difficult to control easily, make step-down increase annotate inefficiency, it is inconvenient to control, and traditional step-down increases annotates the device structure comparatively complicacy, use cost is higher, can not in time overhaul the clearance, lead to life lower, and it is inconvenient to control the regulation, work load is great, use flexibility is relatively poor, lead to work efficiency low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil field step-down increases annotates device aims at solving the uneven difficult inefficiency of controlling of pesticide stirring and overhauls the inconvenient poor problem of flexibility of controlling of clearance in the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: an oil field pressure reduction and injection increase device comprises a bottom plate, a stirring tank and a stepping motor, wherein a protective barrel is fixedly connected to the lower surface of the bottom plate, a pouring barrel is movably connected to the inner wall of the protective barrel, a positioning column is fixedly connected to the bottom end of the pouring barrel, a fixed disk is fixedly connected to the upper portion of the inner wall of the pouring barrel, rotating blocks are fixedly connected to two side surfaces of the fixed disk, rotating rods penetrate through the outer surfaces of the rotating blocks, a threaded rod is fixedly connected to one end of each rotating rod, a supporting frame is fixedly connected to the upper surface of the bottom plate, threaded blocks are fixedly connected to two side surfaces of the supporting frame, a first rotating shaft is fixedly connected to the upper surface of each threaded block, the first rotating shaft and the outer surface of each threaded block are in threaded connection with the threaded rod, a placing frame is fixedly connected to one, the other side fixedly connected with medical kit of bottom plate upper surface, the last fixed surface of bottom plate near support frame one side is connected with the agitator tank, the last fixed surface of bottom plate near the support frame opposite side is connected with the mount.
In order to make this oil field step-down increase annotate device reach the effect that can in time clear up, conduct the utility model relates to an it is preferred, the small opening has been seted up to the surface of fixed disk, the other end one end fixedly connected with brush of dwang.
In order to make this oil field step-down increase annotate device reach can quick adjustment height and use more nimble effect, as the utility model relates to an it is preferred, the last fixed surface of rack is connected with places the seat, the interior diapire of placing the seat is provided with step motor, step motor's output is pegged graft and is had the second pivot, the equal swing joint of surface of second pivot and first pivot has the belt.
In order to make this oil field step-down increase injection device reach and can effectively control the medicament volume of putting and control simple efficient effect, as the utility model relates to an it is preferred, the upper surface that the bottom plate is close to the water tank is provided with first water pump, the surface of water tank and first water pump is all pegged graft and is had first water pipe, the surface of agitator tank and first water pump is all pegged graft and is had the second water pipe, the upper surface that the bottom plate is close to the medical kit is provided with the second water pump, the surface of second water pump and medical kit is all pegged graft and is had first pencil, the surface of agitator tank and second water pump is all pegged graft and is had the second pencil.
In order to make this oil field step-down increase annotate device reach the effect that can the stirring and be convenient for the controlled flow, as the utility model relates to an it is preferred, the last fixed surface of agitator tank is connected with the supporting seat, the interior diapire of supporting seat is provided with first motor, the output of first motor is pegged graft and is had the puddler, the fixed surface of agitator tank is connected with the choke valve.
In order to make this oil field step-down increase annotate device reach can the safe power consumption and control more convenient effect, conduct the utility model relates to an it is preferred, the interior diapire of mount is provided with the second motor, the upper surface of mount is provided with the third motor, and the bottom plate is close to the last fixed surface of mount and is connected with the control box.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the oil field pressure reduction and injection increase device comprises a water tank, a first water pump, a medicine box, a second water pump, a stirring box and a throttle valve, wherein when the device is used, a second motor is started to drive the first water pump to pump water in the water tank to the second water pipe through the first water pipe, so that the water enters the stirring box, a third motor is started to drive the second water pump to pump medicine in the medicine box to the second medicine pipe through the first medicine pipe, so that the medicine enters the stirring box to be mixed and stirred with the water, the feeding proportion of the water and the medicine can be effectively controlled, the feeding amount of the medicine is guaranteed, the operation is simpler and more efficient, the cost waste is greatly saved, the working efficiency of pressure reduction and injection increase is improved, the first motor is started to drive the stirring rod to rotate, the medicine can be quickly and uniformly stirred, the using effect of the medicine is improved, the waste is reduced, and the stirred medicine enters a pouring barrel through the throttle valve, the water yield of control agitator tank that can be timely, it is more convenient to control the use, is favorable to improving work efficiency.
2. The oil field pressure reduction and injection increase device has the advantages that through the arrangement of the stepping motor, the belt, the threaded rod, the irrigation barrel, the fixed disk, the rotating rod, the brush and the control box, when the device is used, the use device is controlled through the control box, the waste of manpower is greatly reduced, the operation is more convenient and efficient, the work efficiency is favorably improved, the stepping motor is started to drive the second rotating shaft, the belt drives the first rotating shaft, so that the threaded rod is driven to rotate to move up and down, the use position of the irrigation barrel can be quickly adjusted, the adjustment is simpler and more convenient, the use is more flexible, the irrigation barrel can be more conveniently assembled and disassembled, the cleaning device is favorably overhauled in time, the service life is prolonged, when irrigation is carried out, a medicament enters the irrigation barrel through the leakage hole on the fixed disk, the flow rate of the medicament can be effectively controlled, when the height of, the inner wall of the irrigation barrel can be quickly cleaned, so that blockage is avoided, and the irrigation barrel is more convenient to use.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic sectional view of the present invention;
FIG. 3 is a schematic structural view of the stirring box of the present invention;
fig. 4 is a schematic view of the irrigation barrel of the present invention.
In the figure: 1. a base plate; 2. a protective barrel; 3. pouring the barrel; 4. a positioning column; 5. fixing the disc; 6. rotating the block; 7. rotating the rod; 8. a threaded rod; 9. a support frame; 10. a thread block; 11. a first rotating shaft; 12. placing a rack; 13. a water tank; 14. a medicine chest; 15. a stirring box; 16. a fixed mount; 17. a leak hole; 18. a brush; 19. a placing seat; 20. a stepping motor; 21. a second rotating shaft; 22. a belt; 23. a first water pump; 24. a first water pipe; 25. a second water pipe; 26. a second water pump; 27. a first cartridge; 28. a second cartridge; 29. a supporting seat; 30. a first motor; 31. a stirring rod; 32. a throttle valve; 33. a second motor; 34. a third motor; 35. and a control box.
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.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions: an oil field pressure-reducing and injection-increasing device comprises a bottom plate 1, a stirring box 15 and a stepping motor 20, wherein a protective barrel 2 is fixedly connected to the lower surface of the bottom plate 1, a pouring barrel 3 is movably connected to the inner wall of the protective barrel 2, a positioning column 4 is fixedly connected to the bottom end of the pouring barrel 3, a fixed disk 5 is fixedly connected to the upper portion of the inner wall of the pouring barrel 3, rotating blocks 6 are fixedly connected to both side surfaces of the fixed disk 5, a rotating rod 7 penetrates through the outer surface of each rotating block 6, a threaded rod 8 is fixedly connected to one end of each rotating rod 7, a supporting frame 9 is fixedly connected to the upper surface of the bottom plate 1, threaded blocks 10 are fixedly connected to both side surfaces of the supporting frame 9, a first rotating shaft 11 is fixedly connected to the upper surface of each threaded block 10, threaded rods 8 are fixedly connected to both outer surfaces of the first rotating shaft 11 and the, a medicine box 14 is fixedly connected to the other side of the upper surface of the bottom plate 1, a stirring box 15 is fixedly connected to the upper surface of one side, close to the supporting frame 9, of the bottom plate 1, and a fixing frame 16 is fixedly connected to the upper surface of the other side, close to the supporting frame 9, of the bottom plate 1.
In the embodiment of the utility model, in the using process of the device, the placement device can be stably placed through the arrangement of the bottom plate 1, which is favorable for safe use, the irrigation barrel 3 can be effectively protected to irrigate through the arrangement of the protective barrel 2, thereby ensuring the smooth operation, the irrigation barrel 3 can be accurately and stably placed through the arrangement of the positioning column 4, the use is more convenient and safer, through the arrangement of the fixed disk 5 and the rotating block 6, the rotating rod 7 rotates in the fixed disk 5 and the rotating block 6, so that the brush 18 can quickly wash the inner wall of the irrigation barrel 3, the cleaning is more convenient, which is favorable for improving the service life, through the arrangement of the threaded rod 8, the position of the irrigation barrel 3 can be quickly adjusted through the rotating threaded rod 8, the use is more flexible, through the arrangement of the supporting frame 9, the threaded rod 8 and the placing frame 12 can be stably supported, which is favorable for safe, through the setting of screw thread piece 10, fixed threaded rod 8 that can stabilize, it is more convenient to adjust, setting through rack 12, can be stable place step motor 20, thereby ensure safe in utilization, it is more convenient to control, setting through water tank 13 and medical kit 14, can effectual palm accuse water and the input proportion of medicament, thereby ensure the input volume of medicament, and control more simply high-efficient, the waste of cost is greatly saved, setting through agitator tank 15, can be quick stir the medicament evenly, be favorable to improving the result of use of medicament, reduce extravagantly, setting through mount 16, can effectual guarantee safe in utilization, be favorable to reducing the potential safety hazard.
Specifically, the outer surface of the fixed disk 5 is provided with a leak hole 17, and one end of the other end of the rotating rod 7 is fixedly connected with a brush 18.
In this embodiment: through the setting of small opening 17 and brush 18, the medicament gets into watering bucket 3 through small opening 17, the velocity of flow that can effectual control medicament, when the height of adjustment watering bucket 3, threaded rod 8 drives dwang 7 rotatory to drive brush 18 and wash, the inner wall of washing watering bucket 3 that can be quick avoids blockking up, and it is more convenient to use.
Specifically, the upper surface of the placing frame 12 is fixedly connected with a placing seat 19, an inner bottom wall of the placing seat 19 is provided with a stepping motor 20, an output end of the stepping motor 20 is connected with a second rotating shaft 21 in an inserting mode, and the outer surfaces of the second rotating shaft 21 and the first rotating shaft 11 are movably connected with a belt 22.
In this embodiment: through the setting of step motor 20 and belt 22, start step motor 20 and drive second pivot 21 for belt 22 drives first pivot 11, thereby drives threaded rod 8 and rotates, and adjustment irrigation bucket 3's that can be quick service position, the adjustment is simple and convenient more, uses more in a flexible way, is favorable to in time overhauing belt cleaning device, improves work efficiency.
Specifically, the upper surface that bottom plate 1 is close to water tank 13 is provided with first water pump 23, the surface of water tank 13 and first water pump 23 all pegs graft and has first water pipe 24, agitator tank 15 and first water pump 23's surface all pegs graft and has second water pipe 25, bottom plate 1 is close to the upper surface of medical kit 14 and is provided with second water pump 26, the surface of second water pump 26 and medical kit 14 all pegs graft and has first pencil 27, agitator tank 15 and second water pump 26's surface all pegs graft and has second pencil 28.
In this embodiment: through the setting of first water pump 23 and second water pump 26, start first water pump 23 and take out to second water pipe 25 through first water pipe 24 with the water in the water tank 13, thereby get into agitator tank 15, start second water pump 26 and take out to second pencil 28 through first pencil 27 with the medicament in the medical kit 14, thereby get into agitator tank 15 and mix the stirring with water, can effectual palm accuse water and the input proportion of medicament, thereby ensure the input volume of medicament, be favorable to improving the result of use of medicament, and control simple high efficiency, the waste of cost is saved greatly, be favorable to improving the work efficiency that the step-down augmented injection.
Specifically, the upper surface of agitator tank 15 is fixedly connected with supporting seat 29, and the inner diapire of supporting seat 29 is provided with first motor 30, and the output of first motor 30 is pegged graft and is had puddler 31, and the external fixed surface of agitator tank 15 is connected with choke valve 32.
In this embodiment: through the setting of puddler 31 and choke valve 32, start first motor 30 and drive puddler 31 and rotate, can be quick with the medicament stirring, be favorable to improving the result of use of medicament, reduce extravagantly, the medicament that the stirring is good gets into irrigation barrel 3 through choke valve 32, the water yield of control agitator tank 15 that can be timely, it is more convenient to control the use, is favorable to improving work efficiency.
Specifically, the inner bottom wall of the fixing frame 16 is provided with a second motor 33, the upper surface of the fixing frame 16 is provided with a third motor 34, and the upper surface of the bottom plate 1 close to the fixing frame 16 is fixedly connected with a control box 35.
In this embodiment: through the setting of mount 16 and control box 35, place second motor 33 and third motor 34 in mount 16, can be the safety and stability deposit, to first water pump 23 and second water pump 26 independent control respectively, can effectual guarantee safe in utilization, be favorable to reducing the potential safety hazard, through control box 35 control operative installations, reduce the waste of manpower greatly, control convenient more high-efficient, be favorable to improving work efficiency.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
The utility model discloses a theory of operation and use flow: when the oil field pressure-reducing and injection-increasing device is used, the second motor 33 is started to drive the first water pump 23 to pump water in the water tank 13 to the second water pipe 25 through the first water pipe 24, so that the water enters the stirring box 15, the third motor 34 is started to drive the second water pump 26 to pump the medicament in the medicament box 14 to the second medicament pipe 28 through the first medicament pipe 27, so that the medicament enters the stirring box 15 to be mixed and stirred with the water, the feeding proportion of the water and the medicament can be effectively controlled, the feeding amount of the medicament is ensured, the operation is simpler and more efficient, the cost waste is greatly saved, the work efficiency of pressure-reducing and injection-increasing is favorably improved, the first motor 30 is started to drive the stirring rod 31 to rotate, the medicament can be quickly and uniformly stirred, the use effect of the medicament is favorably improved, the stirred medicament enters the pouring barrel 3 through the throttle valve 32, the water yield of the stirring box 15 can be timely controlled, and the control and the use are, which is beneficial to improving the working efficiency, the step motor 20 is started to drive the second rotating shaft 21, so that the belt 22 drives the first rotating shaft 11, thereby driving the threaded rod 8 to rotate and move up and down, being capable of quickly adjusting the use position of the irrigation barrel 3, being simpler and more convenient to adjust and more flexible to use, moreover, the irrigation barrel 3 is more convenient to assemble and disassemble, the cleaning device is convenient to overhaul in time, the service life is prolonged, when irrigation is carried out, the medicament enters the irrigation barrel 3 through the leakage hole 17 on the fixed disk 5, the flow rate of the medicament can be effectively controlled, when the height of the irrigation barrel 3 is adjusted, the threaded rod 8 drives the rotating rod 7 to rotate, thereby drive brush 18 and wash, the inner wall of watering bucket 3 of washing that can be quick avoids blockking up, controls the operative installations through control box 35, reduces the waste of manpower greatly, controls more convenient high-efficient, is favorable to improving work efficiency.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides an oil field step-down increases notes device, includes bottom plate (1), agitator tank (15) and step motor (20), its characterized in that: the lower surface of the bottom plate (1) is fixedly connected with a protection barrel (2), the inner wall of the protection barrel (2) is movably connected with a pouring barrel (3), the bottom end of the pouring barrel (3) is fixedly connected with a positioning column (4), the upper part of the inner wall of the pouring barrel (3) is fixedly connected with a fixed disk (5), two side surfaces of the fixed disk (5) are both fixedly connected with rotating blocks (6), the outer surface of each rotating block (6) penetrates through a rotating rod (7), one end of each rotating rod (7) is fixedly connected with a threaded rod (8), the upper surface of the bottom plate (1) is fixedly connected with a support frame (9), two side surfaces of the support frame (9) are both fixedly connected with threaded blocks (10), the upper surface of each threaded block (10) is fixedly connected with a first rotating shaft (11), and the outer surfaces of the first rotating shaft (11) and the threaded blocks (10) are, the improved medicine box is characterized in that a placing frame (12) is fixedly connected to one side of the upper surface of the support frame (9), a water tank (13) is fixedly connected to one side of the upper surface of the bottom plate (1), a medicine box (14) is fixedly connected to the other side of the upper surface of the bottom plate (1), a stirring box (15) is fixedly connected to the upper surface of the bottom plate (1) close to one side of the support frame (9), and a fixing frame (16) is fixedly connected to the upper surface of the bottom plate (1) close to the other side of the.
2. The oil field depressurization and injection enhancement device according to claim 1, characterized in that: the small opening (17) has been seted up to the surface of fixed disk (5), other end one end fixedly connected with brush (18) of dwang (7).
3. The oil field depressurization and injection enhancement device according to claim 1, characterized in that: the last fixed surface of rack (12) is connected with places seat (19), the interior diapire of placing seat (19) is provided with step motor (20), the output of step motor (20) is pegged graft and is had second pivot (21), the equal swing joint of surface of second pivot (21) and first pivot (11) has belt (22).
4. The oil field depressurization and injection enhancement device according to claim 1, characterized in that: the upper surface that bottom plate (1) is close to water tank (13) is provided with first water pump (23), the surface of water tank (13) and first water pump (23) all pegs graft and have first water pipe (24), the surface of agitator tank (15) and first water pump (23) all pegs graft and have second water pipe (25), the upper surface that bottom plate (1) is close to medical kit (14) is provided with second water pump (26), the surface of second water pump (26) and medical kit (14) all pegs graft and have first pencil (27), the surface of agitator tank (15) and second water pump (26) all pegs graft and have second pencil (28).
5. The oil field depressurization and injection enhancement device according to claim 1, characterized in that: the upper surface fixed connection of agitator tank (15) has supporting seat (29), the inner diapire of supporting seat (29) is provided with first motor (30), puddler (31) are pegged graft to the output of first motor (30), the external fixed surface of agitator tank (15) is connected with choke valve (32).
6. The oil field depressurization and injection enhancement device according to claim 1, characterized in that: the inner bottom wall of the fixing frame (16) is provided with a second motor (33), the upper surface of the fixing frame (16) is provided with a third motor (34), and the upper surface of the bottom plate (1) close to the fixing frame (16) is fixedly connected with a control box (35).
CN202022507034.3U 2020-11-03 2020-11-03 Oil field decompression increases notes device Active CN213556620U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022507034.3U CN213556620U (en) 2020-11-03 2020-11-03 Oil field decompression increases notes device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022507034.3U CN213556620U (en) 2020-11-03 2020-11-03 Oil field decompression increases notes device

Publications (1)

Publication Number Publication Date
CN213556620U true CN213556620U (en) 2021-06-29

Family

ID=76533113

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022507034.3U Active CN213556620U (en) 2020-11-03 2020-11-03 Oil field decompression increases notes device

Country Status (1)

Country Link
CN (1) CN213556620U (en)

Similar Documents

Publication Publication Date Title
CN201275801Y (en) Single tank batch slurry mixing apparatus
CN206730948U (en) A kind of configuration device of gardens Nutrition Soil
CN107984615A (en) A kind of build concrete mixer
CN213556620U (en) Oil field decompression increases notes device
CN212983866U (en) Water conservancy construction concrete placement equipment
CN212731852U (en) Compounding device is used in carbon source preparation processing
CN208258407U (en) Fertilizer apparatus is used in a kind of cultivation of booth vegetable
CN218422822U (en) Efficient gel breaking device for treating fracturing flow-back fluid
CN211026027U (en) Stirring and mixing device suitable for flow pulp method
CN207491888U (en) A kind of landscape engineering irrigation implement
CN208651190U (en) A kind of pedestal Liftable type pipeline pump
CN217697387U (en) A disinfection atomizer for growing seedlings on matrix production line
CN108377710A (en) A kind of novel water-saving irrigation rig
CN214693372U (en) Rural sewage dispersion treatment device
CN214925693U (en) Well cementation cement injection circulating device
CN214243910U (en) Biological agent layering injection device
CN220003729U (en) Energy-efficient dispersion dissolving device
CN210206527U (en) Petroleum drilling fluid stirring device
CN214553361U (en) Treating agent feeding device for water environment treatment
CN208982295U (en) Pressure-bearing type self priming pump
CN212985522U (en) Novel adjustable support for pump device
CN218893522U (en) Denitrification filter structure
CN210458103U (en) Two ware saccharification systems of high efficiency
CN219445583U (en) Storage device of concrete
CN216087653U (en) Simple and easy peanut field liquid manure integrated device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant