CN201394389Y - Peristaltic-sieve separating machine - Google Patents
Peristaltic-sieve separating machine Download PDFInfo
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- CN201394389Y CN201394389Y CN2008201581280U CN200820158128U CN201394389Y CN 201394389 Y CN201394389 Y CN 201394389Y CN 2008201581280 U CN2008201581280 U CN 2008201581280U CN 200820158128 U CN200820158128 U CN 200820158128U CN 201394389 Y CN201394389 Y CN 201394389Y
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- wriggling
- peristaltic
- helical axis
- screen cloth
- sheets
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Abstract
The utility model provides a peristaltic-sieve separating machine, which belongs to the field of the solid-liquid separation device and the field of the solid-liquid-gas separation device. The separating machine adopts a peristaltic sieve which consists of a plurality of peristaltic units and a helical shaft which is used for transmission to form a screen mesh structure with movable clearances, wherein the peristaltic unit consists of fixed sheets and peristaltic sheets, the movable clearance between the fixed sheets and the peristaltic sheets is of a screen-mesh passage, two adjacent peristaltic units are superposed onto each other to form a peristaltic screen-mesh main body, and the helical shaft drives the peristaltic sheets to make the eccentric movement along the center of the helicalshaft through blades of the helical shaft, so that the peristaltic sheets and the fixed sheets of the peristaltic unit make relative displacement. The peristaltic-sieve separating machine can filterthe solid constitutions in the filter paste at one time; moreover, the peristaltic-sieve separating machine has low energy consumption, small loss of the device, no vibration, no noise, and safe and reliable running.
Description
Technical field
The utility model belongs to the solid-liquid separating equipment field, and solid-liquid gas separation equipment field.
Background technology
Solid-liquid separation technique, or solid-liquid gas isolation technics are used very general in industrial or agricultural.But present solid-liquid separation technique, all equipment is numerous and diverse usually, and noise is big, big energy-consuming, efficient are low.
Such as, in oil exploration, production industry, always produce drilling fluid with a large amount of solid-liquid admixtures., be the important component part of the purification process technique of drilling fluid how from impurity such as drilling fluid desanding.
But current in order to oil content of drilling fluid, contain sand, gassiness or property of drilling fluid and change accurate solid-liquid gas separation equipment under the situation greatly, be to realize with five step solid controlling methods, exist that efficient is low, power consumption greatly, defective such as life-span weak point.
Particularly, situation is as follows: for the oil exploitation industry, solids content and particle diameter distribute and air content in the drilling fluid, for influences such as bit speed, wellbore qualities significantly, also influence oil production, thereby must distribute by air content, solid content and the particle diameter in the strict control of the drilling fluid cleaning system drilling fluid.At present the drilling fluid cleaning system that generally uses of oil field is five traditional step solid controlling methods: promptly drilling fluid enters into the drilling fluid storage tank after by vibratory sieve filtration → deaerator → eddy flow sand removing machine → cleaner → centrifuge, wherein vibratory sieve vibrates by vibrator drive screen frame (unit) and realizes filtering particle, there are shortcomings such as screen cloth is easily stifled, pore size filter is big, adjustable range exciting force is limited in it, vibration also easily causes the refinement of solid phase particles in addition, the quality of infringement drilling fluid.In recent years, be absorbed in how on vibratory sieve, to use special fine screen mesh for the research of drilling fluid cleaning system both at home and abroad, expectation can be used the screen cloth of 200 orders (aperture 75 μ m) even 325 orders (aperture 45 μ m) on vibratory sieve, thereby equipment such as expectation is saved after the vibratory sieve, the sand removing machine before the centrifuge, desilt machine, cleaner are simplified solid controlling system.But owing to use special fine screen mesh just must strengthen separation factor, and the exciting force effect of high frequency alternation is easy to cause screen cloth to scrap, thereby above-mentioned technical research enters bottleneck stage, and the five step solid controlling method drilling fluid cleaning systems that equipment is many, energy consumption is big can't effectively be improved all the time.Consider that from new thought filtration mechanism is the key of the new accurate drilling fluid filter of development.
In addition, Separation of Solid and Liquid field commonly used also includes a lot, such as polluting at water aspect the processing, can run into a large amount of contaminated mud, mud etc., these solidliquid mixtures, when utilizing existing board and frame machine or centrifuge to separate, have that the operation element amount is big, occupation of land is many, maintenance maintenance is difficult, noise is big and shortcoming such as flushing water secondary pollution.
How to make that applicability is strong, energy-saving and environmental protection, solid-liquid separating equipment efficiently, be the key subjects that the whole world faces jointly.
The utility model content
The purpose of this utility model provides a kind of crawling type separator, can carry out efficient centrifugation to form of mixtures such as solid-liquid and solid-liquid gas.
A kind of crawling type separator, it is achieved in that this seperator comprises:
The wriggling screen cloth that adopts a plurality of wrigglings unit to be formed, and the helical axis of using with transmission, constitute mesh structure jointly with movable gap, wriggling unit wherein is made of stator and wriggling sheet, movable gap between stator and the wriggling sheet is the screen cloth passage, the adjacent stack of a plurality of wrigglings unit constitutes wriggling screen cloth main body, helical axis wherein, drive the wriggling sheet by spiral shaft vane and do eccentric motion, make between wriggling sheet in the wriggling unit and the stator relative displacement takes place around the helical axis center.
Further, for example and non-limiting, the utility model also includes following technical characterictic as the typical case:
Get stator and be respectively D1 and D2 with wriggling sheet internal diameter, the blade external diameter of the helical axis that transmission is used is D3, and the relation between them should be D1＞D3＞D2 so.
The supporting wriggling sieve tank body that is provided with is provided with discharging tube at wriggling sieve tank body downside outside the wriggling screen cloth.
Described wriggling sieve tank body is a vacuum tank, and this vacuum tank is realized swabbing action by vavuum pump, and slip is the thin layer spurting and sprays to the vacuum tank wall by the gap of wriggling screen cloth in the use, and the bubble in the slip is extracted out by vavuum pump.
Described helical axis supporting motor be reducing motor.
Described helical axis, employing be that pitch is dwindled gradually vertically, the spiral central shaft increases gradually, but the structure that the spiral shaft vane external diameter of helical axis remains unchanged is in order to can form dual contraction when the work in filter chamber.
Corresponding described helical axis, be provided with the discharging opening of expecting slag and being provided with flaps in order to discharge, can realize squeezing action to comprising the slip of expecting slag, in filter chamber, form the higher static pressure district and spread to two ends along helical axis, increase the liquid phase discharge velocity, improve the solid content of extruding solid phase simultaneously.
A large amount of practices show, must have the continuous filtration equipment of high-viscosity material and remove the function that is trapped in the material on the screen cloth face continuously automatically, otherwise, basic just continuous firing stably.Based on this thought, the utility model has changed the screen cloth form pioneeringly, has developed wriggling sieve filtering technique, in order to realize the purpose of Separation of Solid and Liquid; And, be core with wriggling sieve filtering technique, in conjunction with the vacuum thin layer degassing and dual screw press technology, can also realize the separation purpose of solid-liquid gas three-phase mixture.
As an illustration, in the aforesaid technical essential, include following three technical schemes:
(1) wriggling sieve filtering technique: comprise the wriggling screen cloth of being formed by a plurality of wrigglings unit, and the helical axis used of transmission, each wriggling unit is made of stator and the stack of wriggling sheet, slit between stator and the wriggling sheet is the screen cloth passage, the slit spacing can be adjusted as required, as an example, I reaches 25～50 μ m.The stack of a plurality of wrigglings unit constitutes wriggling screen cloth main body, be respectively D1 and D2 if get stator with wriggling sheet internal diameter, drving sprial axle blade external diameter is D3, require D1＞D3＞D2 when then designing, thereby when helical axis rotated, it is motionless that stator keeps, the wriggling sheet is then promoted by the spiral shaft vane outside and makes eccentric motion around the helical axis center, wriggle simultaneously and between sheet and the stator relative displacement takes place, clear up the slit between stator and the wriggling sheet repeatedly automatically, thereby avoid the slit to stop up.Filtrate is discharged by wriggling sieve gap during filtration, is then promoted by helical axis and carries to the solid matter discharging opening greater than the solid phase particles in gap.
(2) vacuum thin layer degassing technology: for the situation that is provided with vacuum tank, swabbing action by vavuum pump, in the vacuum tank of wriggling sieve exocoel, form negative pressure, slip enters filter chamber by charging aperture under suction function, again the screen cloth passage that is sieved by wriggling, be the thin layer spurting and spray to the vacuum tank skin, under the effect of collision, vacuum, the bubble that immerses in the slip is overflowed, and is extracted and be discharged into out the safety area by vavuum pump.
(3) dual screw press technology: by the varying pitch and the design of the change diameter of axle of helical axis, form the dual contraction of filter chamber,, in filter cylinder, form the higher static pressure district and spread to two ends along helical axis in conjunction with the flaps of discharging opening, increase the liquid phase discharge velocity, improve the solid content of extruding solid phase simultaneously.
Advantage of the present utility model is: the utility model stator can be as small as 25～50 μ m (non-limiting) with wriggling sheet gap, the screen cloth that is equivalent to 325 orders (aperture 45 μ m), but the solid state component in the disposable filtering slip, and equipment described in the utility model moves under low pressure slow-speed of revolution situation, and energy consumption low (energy consumption of saving system 95%), equipment loss are little, friction, noiselessness, safe and reliable to operation.
Simultaneously, the utility model is simple, convenient, and 24 hours fully automatic operations of energy can replace existing vibratory sieve, sand removing machine, degassing tank, desilt machine, cleaner, or the like, have huge social benefit and economic benefit.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in detail.
Fig. 1 is the structural representation that the wriggling screening is disembarked, and wherein is provided with vacuum tank in the present embodiment.
Fig. 2 a, Fig. 2 b are the structural representations under wriggling sieves in working order.
Fig. 3 is the structural representation of wriggling unit.
Fig. 4 is the workflow diagram that the wriggling screening is disembarked, and is a kind of embodiment.
Fig. 5 is the structural representation that the wriggling screening is disembarked, and vacuum tank wherein is not set in the present embodiment.
The specific embodiment
Embodiment 1, and as an example, corresponding slip is a drilling fluid, utilizes wriggling screening described in the utility model to disembark and can directly carry out the lock out operation of solid-liquid gas three-phase material.
Ginseng Fig. 1, Fig. 2 a, Fig. 2 b, Fig. 3 and shown in Figure 4, equipment body is by the wriggling screen cloth 200 that is arranged on the middle part, have the helical axis that is in the center 300 of transmission, conveying and squeeze function simultaneously concurrently, and be arranged on outside structures such as wriggling sieve tank body 400 and form jointly.
In the present embodiment, wriggling sieve tank body 400 is a vacuum tank 410.The purpose of this vacuum tank 410 in order to realize vacuumizing for example and without limitation, can adopt profile to be the off-centre operation cone structure, and the top is provided with vacuum air entraining pipe 411, the bottom is provided with discharging tube 420.
Wriggling screen cloth 200 wherein is made of a plurality of wrigglings unit 210, and each wriggling unit 210 is made of stator 211 and 212 stacks of wriggling sheet.Slit between stator 211 and the wriggling sheet 212 is screen cloth passage 220.Screen cloth passage 220 pairing slit spacings can adjust as required.210 stacks of a plurality of wrigglings unit constitute the main body of wriggling screen cloth 200.
Be respectively D1 and D2 if get stator 211 with wriggling sheet 212 internal diameters, the blade external diameter of the helical axis 300 that transmission is used is D3, is fit to when manufacturing and designing carry out according to the mode of D1＞D3＞D2.Thereby, when helical axis 300 rotates, stator 211 keeps motionless, wriggling sheet 212 is then promoted by the outside of the spiral shaft vane 310 of helical axis 300 and does eccentric motion around helical axis 300 centers, wriggle simultaneously and between sheet 212 and the stator 211 relative displacement takes place, automatically clear up the screen cloth passage 220 between stator 211 and the wriggling sheet 212 repeatedly, thereby avoided the slit of wriggling screen cloth 200 to stop up.
The helical axis 300 of equipment center position adds man-hour in design, the suitable employing structure that pitch is dwindled gradually vertically, the spiral central shaft increases gradually, but helical axis 300 blade external diameters remain unchanged, thereby make filter chamber 230 form the dual contraction of taper to discharging opening 510, finish transmission, conveying and squeeze function from charging aperture 500.Again in conjunction with the flaps 520 of discharging opening, in filter chamber 230, form the higher static pressure district and along helical axis 300 to the two ends diffusion, can increase the liquid phase discharge velocity and improve the solid content of extruding solid phase.
Described flaps 520, the resistance that is arranged on discharging opening 510 places increases structure.As an example, can realize by the flexible platy structure that gets lodged in discharging opening 510 places.Its resistance size can adjust as required.
With reference to Fig. 4, when equipment described in the utility model is worked, helical axis 300 under reducing motor 600 drives, slowly run (concrete speed can less than 50RPM), drive wriggling sheet 212 formation wrigglings in the wriggling screen cloth 200, under the vavuum pump effect, form negative pressure in the vacuum tank 410, after the slip that is in solid-liquid mixing is entered filter chamber 230 by the negative pressure suction, filtrate and finely ground particle substance are carried gaseous substance secretly and are oozed out fast by the stator 211 of wriggling screen cloth 200 and the screen cloth passage 220 between the wriggling sheet 212, be the thin layer spurting and spray to the vacuum tank skin, gaseous substance is in collision in the slip, overflow under the vacuum action, extract out from blast pipe 410 by vavuum pump.Those solid phase particles greater than screen cloth passage 220 are then carried to discharging opening 510 by helical axis 300, and by the dual contraction of filter chamber 230, the interior pressure constantly strengthens between solid phase particles, and the liquid of further extruding is discharged by discharging opening 510.
Summary is got off, inside for equipment body is that helical axis 300, the middle part that has transmission, conveying and squeeze function concurrently is that wriggling screen cloth 200, the outside with the movable gap of self-cleaning function is this crawling type separator 100 of vacuum tank 410, and using method includes following steps:
Step 1, helical axis 300 slowly runs under reducing motor 600 drives, and the wriggling sheet 212 that drives in the wriggling screen cloth 200 forms wriggling.
As an example, reducing motor 600 is for slowly running, speed can＜50RPM.
Step 2, vacuum tank 410 forms negative pressure under the vavuum pump effect, slip is entered filter chamber 230 by the negative pressure suction, filtrate discharges fast by the slit between wriggling sieve stator 211 and the wriggling sheet 212, being the thin layer spurting gets rid of to tank skin, gas phase composition is overflowed under collision, vacuum action in the slip, extracts out by vavuum pump.
In the present embodiment, provide slip by slurry tank shown in Figure 4 530.Described slip is drilling fluid in the present embodiment.
Step 3 is passed to discharging opening 510 by helical axis 300 greater than the solid phase particles of screen cloth passage 220 in the slip, by the dual contraction of filter chamber, presses constantly between solid phase particles to strengthen, and the material slag of further extruding behind the interstitial fluid is discharged by discharging opening 510.
In the present embodiment, collect material slag after Separation of Solid and Liquid or solid-liquid gas separate by waste residue pond 540 shown in Figure 4.
Step 4, the slip after degasification, desanding are then because from reentering discharging tube 420.Further, can be via rotating vane with outside its drain tank.Specifically, the drilling fluid filtrate after degasification, desanding enters evacuation chamber after the blade of rotation is collected reuse because deadweight collects in vacuum tank 410 bottoms along tank skin by discharging tube 420.
Embodiment 2, and corresponding slip is a mud, directly carries out Separation of Solid and Liquid.
Join shown in Figure 5 and aforesaid embodiment and compare, the main distinction only is that the described crawling type seperator 100 of present embodiment is not provided with the vacuum tank structure.Under the situation that vacuum tank is not set, generally need not collect gaseous substance specially.
Other structure division, similar with previous embodiment.Through behind the described crawling type seperator 100, the moisture in the mud can flow out from discharging tube 420, and the material slag is from the discharge of discharging opening 510.
More than be to description of the present utility model and non-limiting, based on other embodiment of the utility model thought, all among protection domain of the present utility model.
Claims (7)
1. crawling type separator is characterized in that this seperator comprises:
The wriggling screen cloth that adopts a plurality of wrigglings unit to be formed, and the helical axis of using with transmission, constitute mesh structure jointly with movable gap, wriggling unit wherein is made of stator and wriggling sheet, movable gap between stator and the wriggling sheet is the screen cloth passage, and the adjacent stack of a plurality of wrigglings unit constitutes wriggling screen cloth main body.
2. a kind of crawling type separator according to claim 1 is characterized in that: get stator and be respectively D1 and D2 with wriggling sheet internal diameter, the blade external diameter of the helical axis that transmission is used is D3, and the relation between them should be D1＞D3＞D2 so.
3. a kind of crawling type separator according to claim 1 is characterized in that: the supporting wriggling sieve tank body that is provided with outside the wriggling screen cloth is provided with discharging tube at wriggling sieve tank body downside.
4. a kind of crawling type separator according to claim 1 is characterized in that: described wriggling sieve tank body is a vacuum tank, and this vacuum tank is realized swabbing action by vavuum pump.
5. a kind of crawling type separator according to claim 1 is characterized in that: described helical axis supporting motor be reducing motor.
6. a kind of crawling type separator according to claim 1 is characterized in that: described helical axis, employing be that pitch is dwindled gradually vertically, the spiral central shaft increases gradually, but the structure that the spiral shaft vane external diameter of helical axis remains unchanged.
7. a kind of crawling type separator according to claim 1 is characterized in that: corresponding described helical axis is provided with in order to discharge the material slag and to be provided with the discharging opening of flaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008201581280U CN201394389Y (en) | 2008-12-27 | 2008-12-27 | Peristaltic-sieve separating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008201581280U CN201394389Y (en) | 2008-12-27 | 2008-12-27 | Peristaltic-sieve separating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201394389Y true CN201394389Y (en) | 2010-02-03 |
Family
ID=41616878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008201581280U Expired - Fee Related CN201394389Y (en) | 2008-12-27 | 2008-12-27 | Peristaltic-sieve separating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201394389Y (en) |
-
2008
- 2008-12-27 CN CN2008201581280U patent/CN201394389Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100203 Termination date: 20141227 |
|
| EXPY | Termination of patent right or utility model |