CN107252655A - A kind of agitating device - Google Patents
A kind of agitating device Download PDFInfo
- Publication number
- CN107252655A CN107252655A CN201710519625.2A CN201710519625A CN107252655A CN 107252655 A CN107252655 A CN 107252655A CN 201710519625 A CN201710519625 A CN 201710519625A CN 107252655 A CN107252655 A CN 107252655A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- helicla flute
- stillpot
- drive device
- mixing drum
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F29/00—Mixers with rotating receptacles
- B01F29/60—Mixers with rotating receptacles rotating about a horizontal or inclined axis, e.g. drum mixers
- B01F29/63—Mixers with rotating receptacles rotating about a horizontal or inclined axis, e.g. drum mixers with fixed bars, i.e. stationary, or fixed on the receptacle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
- B01D21/2461—Positive-displacement pumps; Screw feeders; Trough conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
- B01F35/145—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
A kind of agitating device, including rabbling mechanism and separating mechanism, the separating mechanism is installed on the lower end of rabbling mechanism, the rabbling mechanism includes mixing drum, drive device and feeding mechanism, the main body of mixing drum is cylinder, and the side of cylinder is provided with charging cone, and the opposite side of cylinder is provided with reclaiming cone, discharge blade is provided with reclaiming cone, discharge blade is welded in reclaiming cone；The both sides up and down of cylinder are provided with bull gear and raceway, and bull gear is located at close to the side of charging cone, and raceway is located at close to the side of reclaiming cone；High blade and low blades are provided with cylinder, high blade and low blades are respectively arranged at a pair, and high blade and low blades arranged crosswise is installed together；A pair of discharge blades are connected in the reclaiming cone internal welding of cylinder, discharge blade can change slide direction of rotation, and material is pushed to discharge blade by low blades and discharged outside cylinder, makes discharging more quick, improve operating efficiency.
Description
Technical field
Field, especially a kind of agitating device are processed the present invention relates to steel construction.
Background technology
With the fast development of industry, steel construction processing field has also obtained the development of high speed, in steel construction processing
Need to use agitating device in production field, conventional agitating device is that a kind of blade-carrying axle rotates in cylinder or groove,
Plurality of raw materials is stirred mixing, the machine of a kind of mixture or suitable denseness is made, agitating device is divided into a lot of kinds,
There are forced mixer, single horizontal shaft mixer, twin-shaft mixer etc..It should be noted that agitating device and Automatic-feeding dress
Put, it is necessary to which the inside is cleaned up, especially winter, so can extend the life-span, the core of agitating device is mixing drum, conventional
Mixing drum is not uniform enough due to stirring, and the time of stirring is more long, stirring efficiency bottom；If running into rugged environment, mixing drum
It is like a fish out of water, normal work is will be unable to, adaptability is poor；Mixing drum easily has the accumulation of residual after stirring discharging is completed
In discharging opening, discharging opening is easily caused over time and is blocked, it is necessary to which feeding and discharging are also needed to manually in artificial cleaning, mixing drum
Participation, add labor intensity, and when cleaning mixing drum, waste material adds water rinse after pulp water can be by the outlet of mixing drum
It is flowed into sand tank, subsequently into separating mechanism, but conventional grit water separator mounted angle is between 20 ° -30 °,
Sand water mixed liquid enters the larger particle of proportion (such as sand grains) in water tank, mixed liquor from water inlet pipe and is deposited on because deadweight face declines
Spiral trench bottom, under the promotion of spiral, material is lifted along tilting spiral trench bottom, is left after liquid level, is continued to move up one section
Reflow tank in the gap of moisture content gradually in helicla flute in distance, sand grains, also gradually desiccation, in discharge outlet, is relied on sand grains
Deadweight falls into other conveying devices, and conventional girt-water separation device easily blocks up sewage draining exit, and long-term use is easily attached to cell wall
It is interior and affected by environment, in the environment of day cold junction ice, it has not been convenient to use, cause operating efficiency low.
The present invention is exactly for the improvement for solving problem above and carrying out.
The content of the invention
It is an object of the invention to provide a kind of easy to operate, strong adaptability, realize semi-automation, reduce labor intensity,
Easy to clean, extension life-span, stirring Quick uniform, discharging are soon and operating efficiency is high, and the upper end of helicla flute is provided with heater,
Device is protected, operating efficiency is improved；Blowoff valve is provided with device, the vibrating device one in helicla flute lower end is equipped with
Rise and use, improve separative efficiency, also allow for the cleaning of device, it is to avoid block, extend a kind of agitating device of service life.
The present invention is for the technical scheme that is used of its technical problem of solution：
A kind of agitating device, including rabbling mechanism and separating mechanism, the separating mechanism are installed on the lower end of rabbling mechanism,
The rabbling mechanism includes mixing drum, drive device and feeding mechanism, and the main body of mixing drum is cylinder, and the side of cylinder is provided with
Charging cone, the opposite side of cylinder, which is provided with reclaiming cone, reclaiming cone, is provided with discharge blade, and discharge blade is welded on reclaiming cone
It is interior；The both sides up and down of cylinder are provided with bull gear and raceway, and bull gear is located at close to the side of charging cone, and raceway is located at close to going out
Expect the side of cone；High blade and low blades are provided with cylinder, high blade and low blades are respectively arranged at a pair, high blade and low
Blade arranged crosswise is installed together；
Be provided with feeding mechanism on the right side of mixing drum, feeding mechanism upper end side is provided with water system, water system with
Feeding mechanism is connected, and the opposite side lower end of feeding mechanism is provided with disk roller, and disk roller is connected with feeding mechanism, and disk roller is located at driving and filled
Put top and be connected with drive mechanism；Feed frame is provided with the right side of drive device, feeding mechanism is located at same with feed frame
Side, feed frame is connected with disk roller, control stick is provided between feed frame and disk roller, it is total that control stick is fixedly installed in chassis
Cheng Shang；
The lower end of mixing drum, which is provided with chassis assembly, chassis assembly, is provided with drive device, and drive device is located at stirring
The side of cylinder, the upper end of drive device is provided with control cabinet, and control cabinet, which is located at outside the upper end of chassis assembly, drive device, to be provided with
Case；
The lower end of the rabbling mechanism is provided with sand tank, and the sand tank is located at the side-lower that mixing drum is exported；
The separating mechanism includes stillpot, helicla flute, motor and the device that shakes out, and the upper end of stillpot is provided with sand water and entered
Mouth device, the sand water inlet device is connected with the sand tank of rabbling mechanism lower end, and the side of stillpot is provided with water outlet dress
Put, discharging device is located at the upper end of stillpot side, the opposite side of stillpot is provided with helicla flute, discharging device and helicla flute point
Not Wei Yu stillpot both sides, one end of helicla flute is connected with the bottom of stillpot, and the other end of helicla flute is provided with motor, spiral shell
The lower end of spin slot is provided with blowoff valve, and blowoff valve is located at is provided with shaftless screw, motor in one end of stillpot, helicla flute
Between be provided with the device that shakes out, the device that shakes out be located at helicla flute lower end, the side of helicla flute is provided with vibrating device, helicla flute
Upper end be provided with heater；
Drive device is connected with motor；
High blade and low blades respectively with cylinder axis in angle of 45 degrees；
Deceleration system is provided with drive device, drive device is connected by deceleration system with bull gear；
The stillpot is in funnel-form；
Wherein, helicla flute and stillpot are connected in 20 °~30 ° of inclination angle.
The advantage of the invention is that：
1. being provided with control cabinet in chassis assembly, control cabinet is connected with drive device, and the changeable change of control cabinet is passed through drive
The sense of current of dynamic device, the change of the sense of current can change the rotating rotation direction of motor in drive device, so that
The rotating forward stirring that mixing drum can be achieved discharges with reversion, enhances the operability of agitating device, is easy to operation.
2. being provided with case outside drive device, drive mechanism is connected with motor, and deceleration system, cylinder are provided with drive mechanism
Body is rotated by motor through deceleration system driven gear ring, and can reduce drive device is influenceed by external environment, makes agitating device can
There are mist, a rainy weather, still reliably working, enhancing the adaptability of agitating device.
3. being provided with water system on feeding mechanism, the side of feeding mechanism is provided with disk roller, and disk roller passes through drive device
Effect drive feed frame to rise on feeding mechanism and discharging, realize the semi-automation of agitating device, reduce artificial
Participation, reduce labor intensity, improve operating efficiency.
4. being provided with control stick between disk roller and feed frame, control stick can stop feed frame and carry out feeding, charger
The cleaning of agitating device can be achieved to agitating device internal drainage, drive device driving mixing drum work in water system on structure,
Avoid feed blocking or stick in mixing drum the damage for causing agitating device, extend the service life of agitating device.
5. being provided with high a pair blade and a pair of low blades in cylinder, high blade and low blades arranged crosswise is arranged on one
Rise, high blade and low blades form an angle with cylinder axis, when mixing drum rotates, high-low blades make what material lifting fell
Meanwhile, it can also make material play, therefore material stirring motion ratio can be made stronger back and forth vertically, material is rapidly stirred
Uniformly, stirring efficiency is improved.
6. being connected to a pair of discharge blades in the reclaiming cone internal welding of cylinder, discharge blade can change slide direction of rotation, thing
Material is pushed to discharge blade by low blades and discharged outside cylinder, makes discharging more quick, improves operating efficiency.
7. the upper end of helicla flute is provided with heater, it is to avoid occur icing phenomenon when winter temperature is relatively low, it is to avoid damage
Device, protects machine, at the same it is not affected by environment, operating efficiency is improved, the service life of machine is extended.
8. machine is provided with blowoff valve, it is equipped with the vibrating device in helicla flute lower end and is used together, be easy to sediment
Sewage draining exit is moved down into, the separative efficiency of machine is improved, the cleaning of device is also allowed for, it is to avoid dirt is attached to inside machine and caused
Block, extend the service life of machine.
Brief description of the drawings
Fig. 1 is a kind of structural representation of agitating device proposed by the present invention.
Fig. 2 is the structural representation of mixing drum in Fig. 1.
Fig. 3 is the structural representation of separating mechanism in Fig. 1.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Diagram and specific embodiment are closed, the present invention is expanded on further.
Shown in reference picture 1, Fig. 2, Fig. 3, a kind of agitating device, including rabbling mechanism and separating mechanism, the seperator
Structure is installed on the lower end of rabbling mechanism, and the rabbling mechanism includes mixing drum 1, drive device 2 and feeding mechanism 3, mixing drum 1
Main body is cylinder 11, and the side of cylinder 11 is provided with charging cone 16, and the opposite side of cylinder 11 is provided with reclaiming cone 14, reclaiming cone 14
Discharge blade 15 is inside provided with, discharge blade 15 is welded in reclaiming cone 14；The both sides up and down of cylinder 11 are provided with bull gear 18
With raceway 17, bull gear 18 is located at close to the side of charging cone 16, and raceway 17 is located at close to the side of reclaiming cone 14；In cylinder 11
High blade 12 and low blades 13 are provided with, high blade 12 and low blades 13 are respectively arranged at a pair, high blade 12 and low blades 13
Arranged crosswise is installed together；
The right side of mixing drum 1 is provided with feeding mechanism 3, and the upper end side of feeding mechanism 3 is provided with water system 7, and supply water system
System 7 is connected with feeding mechanism 3, and the opposite side lower end of feeding mechanism 3 is provided with disk roller 5, and disk roller 5 is connected with feeding mechanism 3, disk roller
5 are located at the top of drive device 2 and are connected with drive mechanism 2；The right side of drive device 2 is provided with feed frame 8, feeding mechanism 3
It is located at the same side with feed frame 8, feed frame 8 is connected with disk roller 5, and control stick 6 is provided between feed frame 8 and disk roller 5,
Control stick 6 is fixedly installed in chassis assembly 4；
The lower end of mixing drum 1, which is provided with chassis assembly 4, chassis assembly 4, is provided with drive device 2, and drive device 2 is located at
The side of mixing drum 1, the upper end of drive device 2 is provided with control cabinet 10, and control cabinet 10 is located at the upper end of chassis assembly 4, driving
Case 9 is provided with outside device 2；
The lower end of the rabbling mechanism is provided with sand tank 30, and the sand tank 30 is located at the side-lower that mixing drum 1 is exported；
The separating mechanism includes stillpot 43, helicla flute 44, motor 49 and the device 40 that shakes out, and the upper end of stillpot 43 is set
Sand water inlet device 41 is equipped with, the sand water inlet device 41 is connected with the sand tank 30 of rabbling mechanism lower end, stillpot 43
Side be provided with discharging device 42, discharging device 42 is located at the upper end of the side of stillpot 43, and the opposite side of stillpot 43 is set
There is helicla flute 44, discharging device 42 and helicla flute 44 are located at the both sides of stillpot 43, one end of helicla flute 44 and stillpot respectively
43 bottom is connected, and the other end of helicla flute 44 is provided with motor 49, and the lower end of helicla flute 44 is provided with blowoff valve 48, blowoff valve
48 are located at close to one end of stillpot 43, are provided between shaftless screw 47, motor 49 in helicla flute 44 and are provided with the device that shakes out
40, the device 40 that shakes out is located at the lower end of helicla flute 44, and the side of helicla flute 44 is provided with vibrating device 6, the upper end of helicla flute 44
It is provided with heater 45；
Drive device 2 is connected with motor 49；
High blade 12 and low blades 13 respectively with cylinder axis in angle of 45 degrees；
Deceleration system 21 is provided with drive device 2, drive device 2 is connected by deceleration system 21 with bull gear 18；
The stillpot 43 is in funnel-form；
Wherein, helicla flute 44 and stillpot 43 are connected in 20 °~30 ° of inclination angle；
Control cabinet is provided with chassis assembly, control cabinet is connected with drive device, the changeable change of control cabinet is passed through driving
The sense of current of device, the change of the sense of current can change the rotating rotation direction of motor in drive device, so as to
Realize that the rotating forward stirring of mixing drum discharges with reversion, enhance the operability of agitating device, be easy to operation；Drive device peripheral hardware
Case is equipped with, drive mechanism is connected with motor, deceleration system is provided with drive mechanism, cylinder is driven by motor through deceleration system
Gear ring and rotate, can reduce drive device is influenceed by external environment, agitating device is being had mist, rainy weather, still may be used
By work, the adaptability of agitating device is enhanced；Water system is provided with feeding mechanism, the side of feeding mechanism is provided with roller
Wheel, disk roller drives feed frame to rise on feeding mechanism and discharging by the effect of drive device, realizes agitating device
Semi-automation, reduces artificial participation, reduces labor intensity, improve operating efficiency；Set between disk roller and feed frame
Control stick is equipped with, the water system that control stick can stop on feed frame progress feeding, feeding mechanism can be arranged into agitating device
Water, drive device driving mixing drum work, can be achieved the cleaning of agitating device, it is to avoid feed blocking or stick in mixing drum is made
Into the damage of agitating device, the service life of agitating device is extended；High a pair blade and a pair of low blades are provided with cylinder,
High blade and low blades arranged crosswise is installed together, and high blade and low blades form an angle with cylinder axis, when mixing drum rotation
When turning, high-low blades can make material play, therefore can make material stirring back and forth vertically while material lifting is fallen, also
Motion ratio is stronger, material is rapidly stirred, and improves stirring efficiency；One is connected in the reclaiming cone internal welding of cylinder
To discharge blade, discharge blade can change slide direction of rotation, and material is pushed to discharge blade by low blades and discharged outside cylinder, makes
Discharging is more quick, improves operating efficiency；The upper end of helicla flute is provided with heater, it is to avoid go out when winter temperature is relatively low
Existing icing phenomenon, it is to avoid damage device, protect machine, at the same it is not affected by environment, operating efficiency is improved, machine is extended
Service life；Machine is provided with blowoff valve, is equipped with the vibrating device in helicla flute lower end and is used together, is easy to sediment
Sewage draining exit is moved down into, the separative efficiency of machine is improved, the cleaning of device is also allowed for, it is to avoid dirt is attached to inside machine and caused
Block, extend the service life of machine.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent is defined.
Claims (6)
1. a kind of agitating device, including rabbling mechanism and separating mechanism, the separating mechanism are installed on the lower end of rabbling mechanism, its
It is characterised by：
The rabbling mechanism includes mixing drum (1), drive device (2) and feeding mechanism (3), and the main body of mixing drum (1) is cylinder
(11), the side of cylinder (11) is provided with charging cone (16), and the opposite side of cylinder (11) is provided with reclaiming cone (14), reclaiming cone
(14) discharge blade (15) is provided with, discharge blade (15) is welded in reclaiming cone (14)；The both sides up and down of cylinder (11) are set
Bull gear (18) and raceway (17) are equipped with, bull gear (18) is located at close to the side of charging cone (16), and raceway (17) is located at close
The side of reclaiming cone (14)；High blade (12) and low blades (13), high blade (12) and low blades are provided with cylinder (11)
(13) it is respectively arranged at a pair, high blade (12) and low blades (13) arranged crosswise are installed together；
Feeding mechanism (3) is provided with the right side of mixing drum (1), feeding mechanism (3) upper end side is provided with water system (7), supplied
Water system (7) is connected with feeding mechanism (3), and the opposite side lower end of feeding mechanism (3) is provided with disk roller (5), disk roller (5) and charging
Mechanism (3) is connected, and disk roller (5) is located above drive device (2) and is connected with drive mechanism (2)；Drive device is set on the right side of (2)
Feed frame (8) is equipped with, feeding mechanism (3) is located at the same side with feed frame (8), and feed frame (8) is connected with disk roller (5),
Control stick (6) is provided between feed frame (8) and disk roller (5), control stick (6) is fixedly installed in chassis assembly (4)；
The lower end of mixing drum (1) is provided with chassis assembly (4), chassis assembly (4) and is provided with drive device (2), drive device
(2) it is located at the side of mixing drum (1), the upper end of drive device (2) is provided with control cabinet (10), and it is total that control cabinet (10) is located at chassis
Into the upper end of (4), case (9) is provided with outside drive device (2)；
The lower end of the rabbling mechanism is provided with sand tank (30), and the sand tank (30) is located under the side that mixing drum (1) is exported
Side；
The separating mechanism includes stillpot (43), helicla flute (44), motor (49) and the device that shakes out (40), stillpot (43)
Upper end is provided with sand water inlet device (41), and the sand water inlet device (41) is connected with the sand tank (30) of rabbling mechanism lower end
Logical, the side of stillpot (43) is provided with discharging device (42), and discharging device (42) is located at the upper end of stillpot (43) side, sinks
The opposite side of shallow lake groove (43) is provided with helicla flute (44), and discharging device (42) and helicla flute (44) are respectively positioned at stillpot (43)
Both sides, one end of helicla flute (44) is connected with the bottom of stillpot (43), and the other end of helicla flute (44) is provided with motor (49),
The lower end of helicla flute (44) is provided with blowoff valve (48), and blowoff valve (48) is located at close to one end of stillpot (43), helicla flute
(44) it is provided between shaftless screw (47), motor (49) and is provided with the device that shakes out (40), the device that shakes out (40) is located at spiral
The lower end of groove (44), the side of helicla flute (44) is provided with vibrating device (6), and the upper end of helicla flute (44) is provided with heater
(45)。
2. a kind of agitating device according to claim 1, it is characterised in that drive device (2) is connected with motor (49).
3. a kind of agitating device according to claim 1, it is characterised in that high blade (12) and low blades (13) respectively with
Cylinder axis is in angle of 45 degrees.
4. a kind of agitating device according to claim 1, it is characterised in that be provided with deceleration system in drive device (2)
(21), drive device (2) is connected by deceleration system (21) with bull gear (18).
5. a kind of agitating device according to claim 1, it is characterised in that the stillpot (43) is in funnel-form.
6. a kind of agitating device according to claim 1, it is characterised in that helicla flute (44) and stillpot (43) are in 20 °
~30 ° of inclination angle connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710519625.2A CN107252655A (en) | 2017-06-30 | 2017-06-30 | A kind of agitating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710519625.2A CN107252655A (en) | 2017-06-30 | 2017-06-30 | A kind of agitating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107252655A true CN107252655A (en) | 2017-10-17 |
Family
ID=60024429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710519625.2A Pending CN107252655A (en) | 2017-06-30 | 2017-06-30 | A kind of agitating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107252655A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004017678A1 (en) * | 2004-04-10 | 2005-10-27 | Karl Wiedemann | Substance e.g. organic substance, fractionating device for use by road sweeper, has spring, and loading device that loads substrate interiorly into region at its lower end and admits water along upper end of region |
| CN102976571A (en) * | 2012-11-26 | 2013-03-20 | 司军 | Method and device for recovering petroleum drilling waste mud |
| CN204448252U (en) * | 2015-01-20 | 2015-07-08 | 刘建国 | A kind of concrete sandstone separator |
| CN205185089U (en) * | 2015-10-19 | 2016-04-27 | 嘉善偌德传动设备有限公司 | Stirring apparatus |
-
2017
- 2017-06-30 CN CN201710519625.2A patent/CN107252655A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004017678A1 (en) * | 2004-04-10 | 2005-10-27 | Karl Wiedemann | Substance e.g. organic substance, fractionating device for use by road sweeper, has spring, and loading device that loads substrate interiorly into region at its lower end and admits water along upper end of region |
| CN102976571A (en) * | 2012-11-26 | 2013-03-20 | 司军 | Method and device for recovering petroleum drilling waste mud |
| CN204448252U (en) * | 2015-01-20 | 2015-07-08 | 刘建国 | A kind of concrete sandstone separator |
| CN205185089U (en) * | 2015-10-19 | 2016-04-27 | 嘉善偌德传动设备有限公司 | Stirring apparatus |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171017 |
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| RJ01 | Rejection of invention patent application after publication |