CN108533198A - A kind of negative pressure micro-vibration drilling fluid three-phase separating device - Google Patents
A kind of negative pressure micro-vibration drilling fluid three-phase separating device Download PDFInfo
- Publication number
- CN108533198A CN108533198A CN201810562880.XA CN201810562880A CN108533198A CN 108533198 A CN108533198 A CN 108533198A CN 201810562880 A CN201810562880 A CN 201810562880A CN 108533198 A CN108533198 A CN 108533198A
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- negative pressure
- conveyer belt
- micro
- vibration
- drilling fluid
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- 238000005553 drilling Methods 0.000 title claims abstract description 39
- 239000012530 fluid Substances 0.000 title claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 239000012071 phase Substances 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 239000007791 liquid phase Substances 0.000 claims abstract description 5
- 239000007790 solid phase Substances 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 239000007788 liquid Substances 0.000 abstract description 8
- 239000007787 solid Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Combined Means For Separation Of Solids (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention relates to a kind of negative pressure micro-vibration drilling fluid three-phase separating devices, it is characterised in that：It includes rack, conveyor type screen device, transmission drive, negative pressure collecting device and micro-vibration device；Conveyor type screen device includes transmission shaft component, conveyer belt and sieve, transmission shaft component is arranged in upper rack rear and front end, conveyer belt, conveyer belt inner surface and the sliding contact of transmission shaft component outer surface are arranged outside transmission shaft component, conveyer belt outer surface is removably disposed sieve；Transmission drive is arranged in rack side, for driving conveyor type screen device to rotate forward or backwards；Negative pressure collecting device is arranged in machine frame inside, for collecting liquid phase；Micro-vibration device lower end is fixed at collection device upper surface, upper end and conveyer belt inner surface sliding contact；It is provided with drilling fluid above rack rear end and returns outlet, accumulator tank is provided with below rack front end.The present invention can be widely applied in the separation of solid and liquid that oil drilling well head returns out drilling fluid.
Description
Technical field
The present invention relates to the solid-liquid separating equipments that a kind of oil drilling well head returns out drilling fluid, and specifically one kind can be real
Well head is now returned out to the negative pressure micro-vibration drilling fluid three-phase separating device that solid phase removal is harmful in drilling fluid.
Background technology
Oil drilling well head returns out the solid-liquid separating equipment of drilling fluid at present, generally using vibrating screen as first order processing
Equipment, vibrating screen drives Vibration Screen box structure to carry out body vibration using vibration motor under such pattern, and liquid phase is made in gravity
Enter collecting tank across vibrating screen mesh with lower, sieve box of vibrating has the slope angle of certain angle, and solid phase is under vibration throwing effect
It migrates to vibrating screen mesh tail portion and is discharged along vibrating screen mesh.Such mud solid phase clastotype has the following problems：(1) liquid
It mutually fully relies on gravity and penetrates sieve, sieve ability is limited thoroughly, and " paste sieve ", which easily occurs, causes sieve to block, and appearance " runs drilling well
The phenomenon that liquid "；(2) it adjusts and poor for applicability, sieve box of vibrating slope angle and exciting force can not be carried out according to the demand of drilling technology
It adjusts in real time；(3) it vibrates and generally uses metal shock insulation spring shock-proof between screen frames and screen box, complete machine noise is big, and work is unstable.
Invention content
In view of the above-mentioned problems, the object of the present invention is to provide a kind of negative pressure micro-vibration drilling fluid three-phase separating device, the dress
It sets and uses conveyor type sieve, sieve can rotate under drive shaft drive along forward or backwards, recycle, more convenient for sieve
It changes；By the application of negative pressure and micro-vibration device, effectively improves drilling fluid and sieve ability thoroughly, reduce vibrating noise.
To achieve the above object, the present invention takes following technical scheme：A kind of negative pressure micro-vibration drilling fluid three phase separation dress
It sets, it is characterised in that：It includes rack, conveyor type screen device, transmission drive, negative pressure collecting device and micro-vibration
Device；The conveyor type screen device includes transmission shaft component, conveyer belt and sieve, and the transmission shaft component is arranged in institute
Upper rack rear and front end is stated, the conveyer belt, the conveyer belt inner surface and the biography are arranged outside the transmission shaft component
Moving axis module outer surface sliding contact, the conveyer belt outer surface are removably disposed the sieve；The transmission drive
It is fixed at rack side, for driving conveyor type screen device to rotate forward or backwards；Negative pressure collecting device fixation is set
It sets in machine frame inside, is located in transmission shaft component and conveyer belt enclosed space, for being collected to the liquid phase after separation；It is micro- to shake
Dynamic device lower end is bolted setting in collection device upper surface, and micro-vibration device upper end connects with the sliding of conveyer belt inner surface
It touches；Rack rear end, which is located above sieve, to be provided with drilling fluid and returns outlet, and rack front end is located at sieve lower section and is provided with for dividing
The accumulator tank that solid phase from after is collected.
The transmission shaft component includes drive shaft, several axle shaft gears, driven shaft and several driven shaft friction pulleys；It is described
Drive shaft is arranged on the upper rack front end, the drive shaft outer wall interval by the bearing at its both ends and each drive is arranged
Moving axis gear, and each axle shaft gear is connect with the drive shaft flat key；The driven shaft includes first driven shaft and two
A second driven shaft, the first driven shaft are arranged in the rack below the drive shaft by the bearing at its both ends
Front end, two second driven shafts are arranged by the bearing at its both ends in the rack rear end respectively, and two described second
Driven shaft is in same level with the drive shaft and first driven shaft respectively, and interval is set on each driven shaft outer wall
Several driven shaft friction pulleys are set, and flat key connects between each driven shaft gear and each driven shaft；The driving
Axis, first driven shaft and second driven shaft enclosed space match with the negative pressure collecting device size.
The rear ramp in the drive shaft is arranged in the first driven shaft.
The conveyer belt is set in outside the drive shaft and driven shaft, and trepanning is evenly arranged on the conveyer belt, and
The aperture of the trepanning and pitch-row and the transverse tooth thickness, the facewidth and tooth pitch of the axle shaft gear match, to ensure the drive shaft
When rotation, the axle shaft gear can be sequentially inserted into the conveyer belt；The thickness of the conveyer belt is not less than the drive shaft
The tooth of gear is high.
The sieve passes through nylon buckles and the conveyer belt marginal adhesion.
The transmission drive includes driving motor and reduction box, and the driving motor drives institute by the reduction box
State driveline rotation.
The collection device uses can-like negative pressure box comprising upper can oral area point and lower part tank body part, the top
Tank mouth outs open is upward, including is symmetricly set on the first, second connection inclined-plane of lower part tank body both sides, described first,
Second connection inclined-plane is connected with each other, and the second connection the bottom of the slope is connected with the upper edge of the lower part tank body part, and institute
The angle of inclination for stating the first connection inclined-plane connects inclined-plane slightly larger than described second；Lower part tank body part side wall setting for
The notch of vacuum pump connection, in the semi-enclosed space enclosed by negative pressure box upper surface and the conveyer belt lower surface
Negative pressure is formed, while emptying the gas phase of separation.
The micro-vibration device includes several micro-vibration devices, and each micro-vibration device lower end is fixedly installed by bolt spacings
On the collection device, and each micro-vibration device upper end and conveyor-belt apparatus inner surface sliding contact.
The invention adopts the above technical scheme, which has the following advantages：(1) present invention is using drive shaft assembly, biography
Band and sieve is sent to collectively form conveyor type sieve, sieve can be rotated along forward or backwards under drive shaft drive, be recycled,
It is cleaned convenient for sieve, extends screen life-span；(2) of the invention since sieve passes through nylon buckles and conveyer belt marginal adhesion, dismounting
It is convenient, sieve replacing construction can be reduced；(3) present invention is due to being provided with negative pressure collecting device, and negative pressure collecting device with
Micro-vibration device is set between conveyor type sieve, effectively increases drilling fluid and sieves ability thoroughly, reduce vibrating noise；(4) this hair
It is bright that gas phase in drilling fluid is expelled to by home by negative pressure, avoid aggregation of the gas phase in working region.Thus, the present invention
It can be widely applied in the separation of solid and liquid that oil drilling well head returns out drilling fluid.
Description of the drawings
Fig. 1 is the shaft side figure of negative pressure micro-vibration drilling fluid three-phase separating device of the present invention；
Fig. 2 is the shaft side figure of negative pressure micro-vibration drilling fluid three-phase separating device other direction of the present invention；
Fig. 3 is the side view of negative pressure micro-vibration drilling fluid three-phase separating device of the present invention；
Fig. 4 is the structure chart of negative pressure box of the present invention.
Specific implementation mode
The present invention is described in detail below with reference to the accompanying drawings and embodiments.
As shown in FIG. 1 to 3, a kind of negative pressure micro-vibration drilling fluid three-phase separating device provided by the invention, including：Rack
1, conveyor type screen device 2, transmission drive 3, negative pressure collecting device 4 and micro-vibration device 5.Wherein, conveyor type
Screen device 2 includes transmission shaft component 21, conveyer belt 22 and sieve 23, and transmission shaft component 21 is arranged before and after 1 top of rack
Both ends are arranged conveyer belt 22,22 inner surface of conveyer belt and 21 outer surface sliding contact of transmission shaft component outside transmission shaft component 21,
22 outer surface of conveyer belt is removably disposed sieve 23；Transmission drive 3 is fixed at 1 side of rack, is passed for driving
Belt screen device 2 is sent to rotate forward or backwards；Negative pressure collecting device 4 is fixed inside rack 1, is located at transmission shaft component
21 with 22 enclosed space of conveyer belt in, for being collected to the liquid phase after separation；5 lower end of micro-vibration device is bolted
Setting is in 4 upper surface of negative pressure collecting device, 5 upper end of micro-vibration device and 22 inner surface sliding contact of conveyer belt；1 rear end of rack position
It is provided with drilling fluid above sieve 23 and returns outlet 11,1 front end of rack is located at 23 lower section of sieve and is provided with for after to separation
The accumulator tank (not shown) that solid phase is collected.
Transmission shaft component 21 includes drive shaft 211, several axle shaft gears 212, driven shaft 213 and several driven shaft frictions
Wheel 214.Wherein, drive shaft 211 is spaced on 1 top front end of rack, 211 outer wall of drive shaft by the bearing setting at its both ends and is set
Each axle shaft gear 212 is set, and each axle shaft gear 212 is connect with 211 flat key of drive shaft；Driven shaft 213 includes first driven
Axis 2131 and two second driven shafts 2132, first driven shaft 2131 are arranged in drive shaft 211 by the bearing at its both ends
1 front end of rack of lower section, two second driven shafts 2132 are arranged by the bearing at its both ends in 1 upper rear end of rack respectively, and
Two second driven shafts 2132 are in same level, each driven shaft 213 with drive shaft 211 and first driven shaft 2131 respectively
Several driven shaft friction pulleys 214, and flat key between each driven shaft friction pulley 214 and each driven shaft 213 is arranged in interval on outer wall
Connection；Drive shaft 211, first driven shaft 2131 and two 2132 enclosed spaces of second driven shaft and 4 size of negative pressure collecting device
Match.
Conveyer belt 22 is set in outside drive shaft 211 and driven shaft 213, trepanning is evenly arranged on conveyer belt 211, and open
The aperture in hole and pitch-row and the transverse tooth thickness, the facewidth and tooth pitch of axle shaft gear 212 match, when ensureing that drive shaft 211 rotates, respectively
The gear teeth of axle shaft gear 212 can be sequentially inserted into conveyer belt 22；The thickness of conveyer belt 22 should be not less than axle shaft gear 212
Tooth is high, to ensure that axle shaft gear 212 is driving the sieve 23 not influenced while the rotation of conveyer belt 22 on conveyer belt 22.
Sieve 23 passes through nylon buckles and 22 marginal adhesion of conveyer belt.The present invention is only introduced by taking nylon buckles as an example, but not
Be limited to this, for example, may be used screw fix, press strip compress the methods of.
Transmission drive 3 includes driving motor 31 and reduction box 32, and driving motor 31 is driven by reduction box 32 and transmitted
Drive shaft 211 in belt screen device 2 rotates, and then conveyer belt 22 and sieve 23 is driven to rotate.
As shown in figure 4, negative pressure collecting device 4 uses can-like negative pressure box comprising upper can oral area point 41 and lower part tank body
Part 42, upper can oral area point 41 opening upwards, including be symmetricly set on tank body both sides the first, second connection inclined-plane 411,
412, the angle of inclination that the first, second connection inclined-plane is connected with each other the 411,412, and first connection inclined-plane 411 connects slightly larger than second
Inclined-plane 412 is connect, the second connection 412 bottom of inclined-plane is connected with 42 edge of lower part tank body；The setting of 42 side wall of lower part tank body part is useful
In the notch 421 being connect with vacuum pump, in the semi-enclosed space that negative pressure box upper surface and 22 lower surface of conveyer belt are enclosed
Negative pressure is formed, while emptying the gas phase of separation.
Micro-vibration device 5 includes several micro-vibration devices, and each micro-vibration device lower end is fixed at negative pressure by bolt spacings
On collection device 4, and each micro-vibration device upper end and 22 inner surface sliding contact of conveyer belt.
Preferably, it is fallen in accumulator tank for ease of the solid phase after separation is more rapid, first driven shaft setting is driving
The rear ramp of axis.
The operation principle of the present invention is described further below, driving motor 31 drives drive shaft by reduction box 32
211 rotations；Drive shaft 211 drives conveyer belt 22 to be rotated around drive shaft 211 and driven shaft 213 by axle shaft gear 212, sieve
Net 23 and 22 synchronous rotary of conveyer belt.Since conveyer belt 22 is in the upper surface of negative pressure box, when conveyer belt 22 moves, on negative pressure box
Surface generates sliding friction with 22 lower surface of conveyer belt and relatively moves, i.e., it is close to have cooperatively formed half for conveyer belt 22 and negative pressure box
Close space.Notch 421 in negative pressure box side connects vacuum pump, and vacuum pump will coordinate shape after opening in negative pressure box and conveyer belt 22
At semi-enclosed space in generate negative pressure.It is micro- when conveyer belt 22 rotates since each micro-vibration device upper end is contacted with conveyer belt 22
Vibrator upper end generates sliding friction with 22 lower surface of conveyer belt and relatively moves, with certain frequency band after the unlatching of micro-vibration device
Dynamic conveyer belt 22 vibrates, and conveyer belt 22 drives sieve 23 to vibrate.Drilling fluid above rack 1 returns the drilling well that outlet 11 falls
Liquid, under the effect of gravity vertical drop realize solid-liquid-gas separation on 23 surface of sieve, drilling fluid under negative pressure and micro-vibration effect,
Liquid and gas pass through sieve 23 into the tank body part of negative pressure box lower part；Solid phase follows the migration of conveyer belt 22 another to sieve 23
Behind end, accumulator tank is fallen under the effect of gravity；Gas phase is discharged from notch 421 and is vented.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, connection type and manufacture craft etc. are all
It can be varied from, every equivalents carried out based on the technical solution of the present invention and improvement should not exclude
Except protection scope of the present invention.
Claims (8)
1. a kind of negative pressure micro-vibration drilling fluid three-phase separating device, it is characterised in that：It includes rack, conveyor type sieve dress
It sets, transmission drive, negative pressure collecting device and micro-vibration device；
The conveyor type screen device includes transmission shaft component, conveyer belt and sieve, and the transmission shaft component is arranged in institute
Upper rack rear and front end is stated, the conveyer belt, the conveyer belt inner surface and the biography are arranged outside the transmission shaft component
Moving axis module outer surface sliding contact, the conveyer belt outer surface are removably disposed the sieve；
The transmission drive is fixed at rack side, for driving conveyor type screen device to revolve forward or backwards
Turn；Negative pressure collecting device is fixed at machine frame inside, is located at transmission shaft component in conveyer belt enclosed space, is used for separation
Liquid phase afterwards is collected；Micro-vibration device lower end, which is bolted, to be arranged on collection device upper surface, micro-vibration device
End and conveyer belt inner surface sliding contact；Rack rear end, which is located above sieve, to be provided with drilling fluid and returns outlet, and rack front end is located at
The accumulator tank for being collected to the solid phase after separation is provided with below sieve.
2. a kind of negative pressure micro-vibration drilling fluid three-phase separating device as described in claim 1, it is characterised in that：The transmission shaft
Component includes drive shaft, several axle shaft gears, driven shaft and several driven shaft friction pulleys；
The drive shaft is arranged on the upper rack front end, the drive shaft outer wall to be spaced and be arranged by the bearing at its both ends
Each axle shaft gear, and each axle shaft gear is connect with the drive shaft flat key；
The driven shaft includes first driven shaft and two second driven shafts, and the first driven shaft is set by the bearing at its both ends
It sets in the rack front end below the drive shaft, two second driven shafts are set by the bearing at its both ends respectively
It sets in the upper rack rear end, and two second driven shafts are in same with the drive shaft and first driven shaft respectively
Horizontal plane, several driven shaft friction pulleys, and each driven shaft gear is arranged in interval on each driven shaft outer wall
Flat key is connect between each driven shaft；
The drive shaft, first driven shaft and second driven shaft enclosed space match with the negative pressure collecting device size.
3. a kind of negative pressure micro-vibration drilling fluid three-phase separating device as claimed in claim 2, it is characterised in that：Described first from
The rear ramp in the drive shaft is arranged in moving axis.
4. a kind of negative pressure micro-vibration drilling fluid three-phase separating device as claimed in claim 2, it is characterised in that：The conveyer belt
It is set in outside the drive shaft and driven shaft, trepanning, and the aperture and hole of the trepanning is evenly arranged on the conveyer belt
Match away from the transverse tooth thickness, the facewidth and tooth pitch with the axle shaft gear, when ensureing that the drive shaft rotates, the drive shaft tooth
Wheel can be sequentially inserted into the conveyer belt；The thickness of the conveyer belt is high not less than the tooth of the axle shaft gear.
5. a kind of negative pressure micro-vibration drilling fluid three-phase separating device as described in claim 1, it is characterised in that：The sieve is logical
Cross nylon buckles and the conveyer belt marginal adhesion.
6. a kind of negative pressure micro-vibration drilling fluid three-phase separating device as described in claim 1, it is characterised in that：The transmission is driven
Dynamic device includes driving motor and reduction box, and the driving motor drives the driveline to rotate by the reduction box.
7. a kind of negative pressure micro-vibration drilling fluid three-phase separating device as described in claim 1, it is characterised in that：The collection dress
It sets and uses can-like negative pressure box comprising upper can oral area point and lower part tank body part, the upper can mouth outs open is upward, packet
The the first, second connection inclined-plane for being symmetricly set on lower part tank body both sides is included, first, second connection inclined-plane mutually interconnects
It connects, the second connection the bottom of the slope is connected with the upper edge of the lower part tank body part, and described first connects inclining for inclined-plane
Rake angle connects inclined-plane slightly larger than described second；The notch for being connect with vacuum pump is arranged in the lower part tank body part side wall,
For forming negative pressure in the semi-enclosed space enclosed by negative pressure box upper surface and the conveyer belt lower surface, empty simultaneously
The gas phase of separation.
8. a kind of negative pressure micro-vibration drilling fluid three-phase separating device as described in claim 1, it is characterised in that：The micro-vibration
Device includes several micro-vibration devices, and each micro-vibration device lower end is fixed at by bolt spacings on the collection device,
And each micro-vibration device upper end and conveyor-belt apparatus inner surface sliding contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810562880.XA CN108533198A (en) | 2018-06-04 | 2018-06-04 | A kind of negative pressure micro-vibration drilling fluid three-phase separating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810562880.XA CN108533198A (en) | 2018-06-04 | 2018-06-04 | A kind of negative pressure micro-vibration drilling fluid three-phase separating device |
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| Publication Number | Publication Date |
|---|---|
| CN108533198A true CN108533198A (en) | 2018-09-14 |
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ID=63469649
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810562880.XA Pending CN108533198A (en) | 2018-06-04 | 2018-06-04 | A kind of negative pressure micro-vibration drilling fluid three-phase separating device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108533198A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794702A (en) * | 2020-07-16 | 2020-10-20 | 陕西艾潽机械制造有限公司 | Degassing vibrating screen |
| CN113737759A (en) * | 2021-08-11 | 2021-12-03 | 山东科技大学 | Water surface suspension viscous liquid collecting and processing device |
| CN114432770A (en) * | 2020-11-03 | 2022-05-06 | 中国石油天然气股份有限公司 | Solid-liquid separation device |
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| WO1997041972A1 (en) * | 1996-05-06 | 1997-11-13 | Williams J Terrell | Continuous belt drilling mud separation system |
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| CN105396357A (en) * | 2015-12-16 | 2016-03-16 | 徐小弟 | Self-suction negative pressure vibration sieve |
| WO2017039456A1 (en) * | 2015-09-04 | 2017-03-09 | Cubility As | Apparatus and method for separating liquid from a material comprising a solid fraction and a liquid fraction |
| CN208267803U (en) * | 2018-06-04 | 2018-12-21 | 中国海洋石油集团有限公司 | A kind of negative pressure micro-vibration drilling fluid three-phase separating device |
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2018
- 2018-06-04 CN CN201810562880.XA patent/CN108533198A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997041972A1 (en) * | 1996-05-06 | 1997-11-13 | Williams J Terrell | Continuous belt drilling mud separation system |
| CN101208157A (en) * | 2005-06-30 | 2008-06-25 | 维尔德里尔股份公司 | Apparatus for sieving and fluid separation and a method of using same |
| US20130193090A1 (en) * | 2010-10-12 | 2013-08-01 | Cubility As | Cleaning device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794702A (en) * | 2020-07-16 | 2020-10-20 | 陕西艾潽机械制造有限公司 | Degassing vibrating screen |
| CN111794702B (en) * | 2020-07-16 | 2022-03-29 | 陕西艾潽机械制造有限公司 | Degassing vibrating screen |
| CN114432770A (en) * | 2020-11-03 | 2022-05-06 | 中国石油天然气股份有限公司 | Solid-liquid separation device |
| CN114432770B (en) * | 2020-11-03 | 2024-01-30 | 中国石油天然气股份有限公司 | Solid-liquid separation device |
| CN113737759A (en) * | 2021-08-11 | 2021-12-03 | 山东科技大学 | Water surface suspension viscous liquid collecting and processing device |
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