CN206091908U - Double -phase device of solid -liquid in separation drilling fluid - Google Patents

Abstract

The utility model discloses a double -phase device of solid -liquid in separation drilling fluid, including the sieve case, vibrating motor, the tensioning spring, blowout preventer covers with keeping off, the top of sieve case one end is provided with the feed inlet, the other end is the discharge gate, the sieve incasement is provided with screen cloth frame and coarse screen, the coarse screen below is provided with fine mesh, be provided with the concave groove between coarse screen and the fine mesh, the concave groove extends to the feed inlet from the discharge gate, be provided with the through -hole on the concave groove, it connects the flitch to be provided with the liquid phase in the concave groove, the liquid phase connects the flitch to be on a parallel with coarse screen, still include stud, stud on through the concave groove the through -hole and run through the liquid phase and connect the flitch, equidistantly on the screen cloth frame be provided with a plurality of spring stop devices. The utility model discloses make the exploitation in earlier stage, the liquid phase speed of sieving in the drilling fluid is accelerated, has improved drilling fluid shale shaker's handling capacity, in the exploitation later stage, even the solid particle volume diminishes, the screen cloth also can sieve the drilling fluid, has improved drilling fluid shale shaker's separation efficiency.

Description

The biphase device of solid-liquid in a kind of separation drilling fluid

Technical field

This utility model is related to drilling fluid reclamation field, and in particular to the biphase device of solid-liquid in a kind of separation drilling fluid.

Background technology

Drilling fluid is the general name of the various circulation of fluids arrived used in drilling process, and drilling fluid is also referred to as drilling mud. In drilling process, drilling fluid can effectively be cooled down and lubricate drill bit, additionally it is possible to balancing layer pressure, it is to avoid blowout and well occur Gush, in addition, drilling fluid can also transmit power and coring sampling.Different according to disperse medium, drilling fluid is broadly divided into water The gentle base drilling fluid three major types of base drilling fluid, oil base drilling fluid.

In drilling process, drilling fluid enters to bottom by drilling rod, after its effect is completed with drilling well in produce it is useless Slag is discharged together, and due to drilling fluid, not only price is high but also meeting welding, so should reclaim to drilling fluid, solid controlling System is for reclaiming drilling fluid.Solid controlling system is also called drilling-fluid circulation system and drilling fluid cleaning system.Solid controlling system System mainly includes the solid control equipments such as drilling fluid vibrating sieve, vacuum degasser, desander, desilter, horizontal spiral centrifuge.These Solid control equipment realizes purification and the recycling to drilling fluid just as a series of different sieve of sizes, function by filtration layer by layer.

Drilling fluid vibrating sieve is the one-level solid control equipment for circulation of drilling fluid, cleaning system, with oscillation intensity height, sieve The features such as facet product is big.Drilling fluid vibrating sieve is mainly used in removing larger bore meal particles in drilling fluid, safeguards the property of drilling fluid Can be most important equipment in solid controlling system with the treatment effect of the solid control equipment after guarantee and service life.

In the drilling process of early stage, the solid phase particles volume carried in drilling fluid is larger, with the carrying out of drilling technique, The solid phase particles carried in drilling fluid during middle and late stage are less.But, the screen-aperture size of traditional screen of vibration screen for well drill liquid Be it is constant, if screen-aperture be designed to it is too small, when early stage solid phase particles volume is larger, liquid phase enter screen box speed Slowly, the separation efficiency of drilling fluid vibrating sieve is reduced, if screen-aperture is excessive, middle and late stage solid phase particles volume becomes hour, sieve Net does not have sieving actoion.

Utility model content

Technical problem to be solved in the utility model is the shortcoming for traditional drilling fluid vibrating sieve, it is therefore intended that provided The biphase device of solid-liquid in a kind of separation drilling fluid, solves traditional drilling fluid vibrating sieve in screening process due to screen-aperture Size is constant to be caused to sieve when large volume solid phase particles and later stage small size solid phase particles in drilling early stage drilling fluid is processed The low problem of efficiency.

This utility model is achieved through the following technical solutions：The biphase device of solid-liquid in a kind of separation drilling fluid, including sieve Case, is provided with vibrating motor below screen box, gripper shoe is provided with the outside of screen box, and tensioning spring is connected with below gripper shoe, tensioning Lower spring end is connected with pillar, and charging aperture is provided with above screen box one end, and the other end is discharging opening, and screen cloth is provided with screen box Frame, screen cloth inframe are provided with wide-meshed screen, and wide-meshed screen is gradually lowered along the direction of charging aperture to discharging opening with the distance of horizontal plane, slightly Fine screen mesh is provided with below screen cloth, Baltimore groove between wide-meshed screen and fine screen mesh, is provided with, Baltimore groove is located on the side in screen box, Baltimore groove extends to charging aperture from discharging opening, and through hole is provided with Baltimore groove, and liquid phase splicing plate is provided with Baltimore groove, and liquid phase connects , parallel to wide-meshed screen, also including stud, stud is by the through hole on Baltimore groove and runs through liquid phase splicing plate, edge for flitch The direction of charging aperture to discharging opening, is equidistantly provided with some spring stop devices, on screen frame also including blowout prevention plate, blowout prevention Just to charging aperture, the side of blowout prevention plate is vertically connected with splash-back to plate, and the splash-back is fixed on screen box, blowout prevention top of the plate portion peace Equipped with top board, water inlet pipe is installed above top board, the water inlet pipe top connects water pump, and water inlet pipe bottom is through top board to top board Lower section and just to blowout prevention plate, splash-back extends to discharging opening along screen box away from block cover, block cover are connected with the side of charging aperture.Before In the drilling process of phase, the solid phase particles volume carried in drilling fluid is larger, with the carrying out of drilling technique, drilling well during middle and late stage The solid phase particles carried in liquid are less.But, due to the screen-aperture of traditional screen of vibration screen for well drill liquid be it is constant, if The volume design of sieve aperture is too small, and when early stage solid phase particles volume is larger, the speed that liquid phase enters screen box is slow, reduces drilling fluid The separation efficiency of vibrosieve, if the volume of sieve aperture is big, middle and late stage solid phase particles volume becomes hour, and screen cloth does not have screening and makees With.In order to solve the above problems, this utility model devises a kind of drilling fluid vibrating sieve of Double-layer screen, wherein, upper strata screen cloth For wide-meshed screen, lower screen is fine screen mesh, and the screen-aperture of wide-meshed screen is more than the sieve diameter of fine screen mesh, in wide-meshed screen and dusting cover It is provided between net, on the inwall of screen box in Baltimore groove, Baltimore groove and places liquid phase splicing plate, and by the through hole on Baltimore groove, Liquid phase splicing plate is fixed in Baltimore groove using Double-ended nut.In the drilling process of early stage, solid phase particles body in drilling fluid Product is larger, so, the aperture of sieve aperture is larger, and liquid phase splicing plate is fixed between wide-meshed screen and fine screen mesh, i.e. big solid phase Granule passes through from above wide-meshed screen, and liquid phase is entered to above liquid phase splicing plate by sieve aperture, thus avoid liquid phase velocity through screen Slowly, the phenomenon for even resulting in wide-meshed screen blocking occurs, and improves the treating capacity of drilling fluid vibrating sieve；With drilling technology after Continuous, when into middle and late stage, the solid phase particles volume in drilling fluid diminishes, and now the aperture of wide-meshed screen can not meet solid phase Separation between granule and liquid phase, unclamps stud, takes out liquid phase splicing plate, and drilling fluid falls in fine screen mesh through wide-meshed screen On, fine screen mesh screen-aperture is little, can separate the solid phase particles of later stage small volume, through wide-meshed screen and fine screen mesh, drilling fluid In a little bulky granule discharging opening is moved to above wide-meshed screen, the granule of small volume is above fine screen mesh, wide-meshed screen Lower section be moved to discharging opening, liquid phase flows to discharging opening from the bottom surface of screen box, solve mesh size it is constant when, enter in drilling engineering Row causes screen cloth to lose the problem of sieving capacity to after middle and late stage due to solid phase particles small volume.During using this device, first Liquid phase splicing plate is fixed in Baltimore groove, liquid phase splicing plate is locked with stud, is opened vibrating motor afterwards, drilling fluid from Charging aperture enters to effect vibrated after wide-meshed screen, and the normal direction along wide-meshed screen is thrown, then falls and impinge upon scalping On the net, the liquid phase in drilling fluid is dropped down onto on liquid phase splicing plate by the sieve aperture on wide-meshed screen, and bulky solid phase particles continue While when clashing into wide-meshed screen and separating the liquid phase of carrying, moving to discharging opening above wide-meshed screen.After work a period of time, pine Stud is driven, liquid phase splicing plate is taken down, as the solid phase particles volume in drilling fluid diminishes, a little volume is larger in drilling fluid Solid phase particles still in scalping online mobile, the solid phase particles of small volume are dropped down onto, and liquid phase is at screen box bottom Surface current is moved.By said apparatus so that exploitation early stage, the liquid phase velocity through screen in drilling fluid are accelerated, drilling fluid vibration is improve The treating capacity of sieve；In the exploitation later stage, even if solid phase particles volume diminishes, screen cloth also can be sieved to drilling fluid, improve drilling well The separation efficiency of liquid vibrosieve.

Traditional drilling fluid vibrating sieve is being provided with anti-splash device at the charging aperture, but the effect of this anti-splash device It is to avoid drilling fluid from splashing to surrounding when entering on screen cloth from charging aperture so that the drilling fluid near charging aperture is along screen cloth method Line direction will not spill drilling fluid vibrating sieve during vibrating.In practice, it has been found that as drilling fluid in fill process is Cast to wide-meshed screen from charging aperture after being under pressure, so scalping of the drilling fluid between the drop point and charging aperture on screen cloth Net can all lose sieving actoion.What the discharge pressure of drilling fluid was not constant between, with the change of pressure, drilling fluid is in scalping The distance between online drop point and charging aperture can also change, when running into pressure and increasing suddenly, drilling fluid charging rate Accelerate, from the distant of charging aperture ejection so that the screen cloth of major part loses sieving actoion, causes the mistake of drilling fluid Compass screen surface product reduces, and causes the solid particle that part tape-supported adhesive has drilling fluid liquid phase just to have moved to out when also not separating with liquid phase Material mouth, the liquid phase loss that can be recycled in drilling fluid, increased the use cost of drilling fluid.In order to solve the above problems, this Device is connected with splash-back, splash-back in the side of blowout prevention plate solid just to charging aperture being provided with blowout prevention plate, the plate face of blowout prevention plate The upper edge of screen box is scheduled on, top board is installed above blowout prevention plate, is mutually perpendicular between top board, splash-back, blowout prevention plate two-by-two.Work as drilling well Liquid be under pressure from charging aperture spray when, drilling fluid is impinged upon on blowout prevention plate, and part drilling fluid rebounds to below the charging aperture Screen cloth on；Part drilling fluid is sticked on blowout prevention plate, by sliding to blowout prevention plate after action of gravity and effect of vibration On screen cloth；Part drilling fluid is splashed to surrounding after shock, drilling fluid can be avoided to hit with the bottom of top board on the inside of splash-back Sputter drilling fluid vibrating sieve everywhere and lose after hitting blowout prevention plate.By said apparatus, not only ensure drilling fluid can through compared with Big screen area, improves the utilization rate of screen cloth, it is to avoid solid particle be not just moved to sieve with the case of liquid phase separation Net outlet, it is ensured that drilling fluid will not sputter drilling fluid vibrating sieve, substantially remains liquid phase capable of circulation, reduces drilling well Environment is protected while the use cost of liquid also.

Also find in practice, in use for some time, can adhesion section drilling well on blowout prevention plate, splash-back and screen cloth Liquid, does not only result in and have lost part drilling fluid, has also increased the load on screen cloth, the sieve aperture blocked on the screen cloth of part, causes to bore The separating effect of well liquid vibrosieve is reduced.In order to solve the above problems, this device is provided with some water inlet pipes on top board, water inlet Top board is run through and just to blowout prevention plate in ttom of pipe end.Drilling fluid vibrating sieve using a period of time after, open water pump, water pump by hydraulic pressure extremely In water inlet pipe, current are splashed after being sprayed on blowout prevention plate and are washed away on the inside of splash-back and top board bottom, and current are dropped down onto on screen cloth afterwards, Drilling fluid on screen cloth is diluted, the drilling fluid after dilution is fallen into into screen box.By said mechanism, sieve is not only alleviated The load of net, the service life for extending screen cloth, are mixed into for circulation after the drilling fluid dilution by residual also as much as possible In drilling fluid, drilling fluid use cost is reduced.

As screen cloth is obliquely installed, with the increase of screen slope angle, drilling fluid is by screen cloth normal direction Effect of vibration under, the vertical distance being cast is higher, and the horizontal range of drilling fluid movement is more remote, inclines when relatively strong and screen cloth is run into When rake angle is slightly larger, the drilling fluid on screen cloth will be cast to discharge outlet only experiencing collision rift several times, caused The waste of drilling fluid.In order to solve the above problems, this device is provided with block cover, and block cover one end is connected to splash-back and blowout prevention plate On, along on screen box along extending near discharging opening, block cover is located at directly over screen cloth block cover.When drilling fluid it is vibrated on screen cloth The rebound effect of block cover when acting on tossed, is run into, in conjunction with the gravity that drilling fluid itself is subject to, is dropped down onto again Separate, increased shock number of times of the drilling fluid on screen cloth, further the solid phase particles and liquid phase separation in promotion drilling fluid, carry The high separation efficiency of screen cloth；In addition, block cover be also avoided that drilling fluid it is vibrated effect be cast during will not splash to Outside vibrosieve, more drilling fluids can be recovered to.

Further, spring stop device includes the fixed dam being fixed on screen frame, fixed dam bottom surface it is longer While perpendicular to screen frame, the normal direction of the height of fixed dam parallel to screen frame, fixed dam is on the side of charging aperture Spring is installed, the spring is connected with cushion pad, also includes the moving stop parallel to fixed dam, moving stop and buffering Pad contact, arranges rotating shaft at the top of moving stop, the rotating shaft is provided with screw thread on the side of bottom, and rotating shaft bottom is through shifting Dynamic baffle plate is inserted in the screw arranged on screen frame.Traditional drilling fluid vibrating sieve uniquely relies on screen cloth and is sieved, in sieve The solid phase particles that part tape-supported adhesive has drilling fluid liquid phase during point just have moved to exit when also not opening with liquid phase separation It is collected, the liquid phase loss that can be recycled in causing drilling fluid.Due to not only including disperse medium such as in drilling fluid liquid phase Water, further comprises the chemical substances such as inorganic agent, increased the use cost of drilling fluid, do not process if process, can pollute ring Border.In order to solve the above problems, this utility model is provided with some spring stop devices on screen frame, and the device includes shifting Dynamic baffle plate and fixed dam, moving stop and fixed dam are each attached on screen frame, and extend on wide-meshed screen.Mobile gear Top of the plate portion is provided with rotating shaft, and rotating shaft bottom end side surface is provided with screw thread, and the activity of rotating shaft bottom runs through moving stop and is inserted into screen cloth In the screw for matching arranged on frame, moving stop can surround rotating shaft System of Rotating about Fixed Axis, be threaded connection, can also countershaft, The parts such as moving stop are changed.Spring is provided between moving stop and fixed dam, spring is vertically mounted on fixed gear The side of plate, is provided with cushion pad on one end that spring is contacted with moving stop.When drilling fluid is flowed into from charging aperture, drilling fluid Impinge upon while effect vibrated on moving stop, drilling fluid produces impulse force to moving stop, and moving stop is to drilling well Liquid produces counteracting force, after reaction force acts are on the drilling fluid, due to liquid phase and solid phase in drilling fluid bounce-back dynamics not Together, the distance of solid phase bounce-back is remote compared with the distance that liquid phase rebounds, and thus further separates solid phase and liquid phase in drilling fluid, it is to avoid liquid Mutually also have not enough time to just separate with solid phase with solid phase movement to screened outlet, cause drilling fluid liquid phase capable of circulation to lose；Separately Outward, a part of liquid phase can be also sticked on moving stop, as effect of vibration is slowly slid to screen cloth simultaneously from moving stop Enter in screen box eventually through sieve aperture, the Partial Liquid Phase is not only realized and separated with solid phase, moreover it is possible to play mitigation drilling fluid pair The shock of moving stop, plays a part of to protect moving stop.Moving stop, can be towards fixed dam rotation one after being clashed into Segment distance, is rebounded by the support of spring afterwards, not only can so shed a part of impulse force, impulse force is transferred to cushion pad On spring, it is to avoid moving stop is damaged in frequently clashing into, while also increasing moving stop to drilling fluid by spring Bounce-back dynamics, further such that the liquid phase in drilling fluid is separated with solid phase.This device causes the liquid phase in drilling fluid to enter with solid phase One step is separated, and strengthens screening effect, it is to avoid in screening process, when especially the influx of drilling fluid increases suddenly, Liquid phase in drilling fluid also has not enough time to just separate with solid phase with solid phase movement to discharging opening, causes the stream of liquid phase capable of circulation Lose, not only reduce the use cost of drilling fluid, also protect environment.

Further, 1.5 to 2 times for fixed dam length of the length of moving stop.Moving stop is played and is further divided From the effect of solid phase in drilling fluid and liquid phase, spring is installed on fixed dam resilient support is played a part of to moving stop.Jing Cross practice to find, if the contact surface of 1.5 times less than fixed dam length of the length of moving stop, moving stop and drilling fluid Too little, the inferior separating effect of product, part drilling fluid can also be deposited in the side of fixed dam；If the length of moving stop is more than solid Determine baffle length 2 times, as moving stop is located proximate to rotating shaft by spring supporting effect so that the rotation of moving stop Amplitude is excessive, cannot return to original position in time and stop drilling fluid after part impulse force is shed, and blocking effect is poor.

Further, moving stop surface scribbles synthetic enamel.Synthetic enamel is mainly used in the protection of metal surface, due to Moving stop can frequently by clashing in drilling fluid, and the solid phase of drilling fluid can produce scraping to its surface, reduce moving stop Life-span, synthetic enamel can play a protective role to the surface of moving stop, extend its service life.In practice, mainly make With C53-31 antirust enamel paint, the enamel paint has good adhesive force and pliability, can play good to moving stop surface Protected effect.

Further, cushion pad is made up of nitrile rubber.Nitrile rubber not only has cushioning effect, can shed moving stop On part impulse force, also with certain intensity and frictional behaviour so that spring will not be by during moving stop is supported There is relative movement between moving stop and cause support effect to be deteriorated, make moving stop return to original position.

Further, screen box bottom surface and fine screen mesh are each parallel to wide-meshed screen.Screen box bottom surface and fine screen mesh and horizontal plane away from From being gradually lowered to the direction of discharging opening also along charging aperture so that filter from wide-meshed screen volume to wide-meshed screen compared with Little solid phase particles and liquid phase can be collected to liquid phase feed box, be easy to collect.

Further, screen-aperture 1/4 to 1/2 of the screen-aperture of fine screen mesh for wide-meshed screen.Found by putting into practice, big portion The volume size of point initial solid phase particles is about 2 ~ 3.5 times of middle and late stage solid phase particles volume size, so according to major part The volume size of initial solid phase particles sets the pore size of wide-meshed screen, then sieve of the screen-aperture for wide-meshed screen for adjusting fine screen mesh Hole aperture 1/4 to 1/2, you can meet screening and require.

Further, the bottom of water inlet pipe is provided with the distance between spray head, spray head and blowout prevention plate more than 15 centimetres. The bottom connection spray head of water inlet pipe, is provided with some spray apertures, water is uniformly sprinkling upon blowout prevention by spray apertures on spray head On plate.Avoiding current causes the hydraulic pressure that local area is subject on blowout prevention plate excessive as the area being sprayed on blowout prevention plate is little, It is easily damaged blowout prevention plate.In addition, if the distance between blowout prevention plate and spray head are less than 15 centimetres, current are sprayed on blowout prevention plate Area is little and impulse force big, cause developing result poor.

Further, some bristles are equipped with blowout prevention plate.When drilling fluid spouting velocity is too fast, the solid phase in drilling fluid Granule can cause to scrape to blowout prevention plate surface, reduce the service life of blowout prevention plate, after arranging bristle, can slow down solid phase particles Scraping to blowout prevention plate surface；If spouting velocity is too fast, the solid phase in drilling fluid can rebound to charging after blowout prevention plate is clashed into Mouthful, causing the waste of drilling fluid, bristle can slow down the bounce-back distance clashed into impulse force and reduce solid phase particles, make the drilling fluid will not Rebound to charging aperture；For blowout prevention plate even curface, bristle can adhere to more drilling fluid liquid phases, and to solid phase Granule has rebound effect, so departing from solid phase particles by bristle can make Partial Liquid Phase near the charging aperture, reaches certain Screening effect.

Further, blowout prevention plate bottom and the distance of splash-back bottom are the 1/3 ~ 1/2 of splash-back height.Sent out by practice It is existing, when the distance of blowout prevention plate bottom and splash-back bottom is less than the 1/3 of splash-back height, drilling fluid can be caused along screen cloth method Line direction is impinged upon on blowout prevention plate during vibrating again, causes the delay of drilling fluid, reduces the process of drilling fluid vibrating sieve Amount；When the distance of blowout prevention plate bottom and splash-back bottom is more than the 1/2 of splash-back height, blowout prevention area is less, and blowout prevention plate is not up to To preferable blowout prevention purpose.

This utility model compared with prior art, has the following advantages and advantages：

1st, this utility model is by arranging wide-meshed screen, fine screen mesh and liquid phase splicing plate so that exploitation early stage, in drilling fluid Liquid phase velocity through screen is accelerated, and improves the treating capacity of drilling fluid vibrating sieve；The exploitation later stage, even if solid phase particles volume diminishes, sieve Net also can be sieved to drilling fluid, improve the separation efficiency of drilling fluid vibrating sieve；

2nd, this utility model not only ensures drilling fluid by arranging blowout prevention plate, splash-back, top board, water inlet pipe and spray head The utilization rate of screen cloth can be improve through larger screen area, it is to avoid solid particle not with liquid phase separation in the case of Just be moved to discharging opening, additionally it is possible to which blowout prevention plate, splash-back, baffle plate and screen cloth are rinsed, not only alleviate screen cloth load, The service life of screen cloth is extended, is mixed in the drilling fluid for circulation after the drilling fluid dilution by residual also as much as possible, Reduce drilling fluid use cost；

3rd, this utility model is provided with block cover, when drilling fluid on screen cloth it is vibrated effect it is tossed when, run into block cover Rebound effect, in conjunction with the gravity that drilling fluid itself is subject to, drops down onto on screen cloth again and is separated, increased drilling fluid in screen cloth On shock number of times, further promote drilling fluid in solid phase particles and liquid phase separation, improve the separation efficiency of screen cloth；Separately Outward, block cover is also avoided that drilling fluid will not be splashed to outside vibrosieve during vibrated effect is cast, and can be recovered to more Many drilling fluids；

4th, this utility model is by being provided with spring stop device on wide-meshed screen so that the liquid phase and solid phase in drilling fluid Further separate, strengthen screening effect, it is to avoid in screening process, especially the suddenly increase of the influx of drilling fluid when Wait, the liquid phase in drilling fluid also have not enough time to separate with solid phase just with solid phase movement to screened outlet at, cause liquid capable of circulation The loss of phase, not only reduces the use cost of drilling fluid, also protects environment；

5th, spring stop device of the present utility model is additionally provided with spring and cushion pad so that moving stop is being clashed into Afterwards, a segment distance can be moved towards fixed dam, is rebounded by the support of spring afterwards, not only can so shed a part of punching Power, impulse force is transferred on cushion pad and spring, it is to avoid moving stop is damaged in frequently clashing into, while also being increased by spring Bounce-back dynamics of the moving stop to drilling fluid, further such that the liquid phase in drilling fluid is separated with solid phase.

Description of the drawings

Accompanying drawing described herein is used for providing further understanding this utility model embodiment, constitutes the one of the application Part, does not constitute the restriction to this utility model embodiment.In the accompanying drawings：

Fig. 1 is this utility model structural representation；

Fig. 2 is the enlarged diagram of A in Fig. 1；

Fig. 3 is the enlarged diagram of B in Fig. 1.

Labelling and corresponding parts title in accompanying drawing：

1- screen boxs, 2- wide-meshed screens, 3- screen frames, 4- vibrating motors, 5- pillars, 6- tensioning springs, 7- studs, 8- are recessed Shape groove, 9- liquid phase splicing plates, 10- charging apertures, 11- moving stops, 12- fixed dams, 13- rotating shafts, 14- springs, 15- bufferings Pad, 16- splash-backs, 17- blowout prevention plates, 18- water inlet pipes, 19- top boards, 20- block covers, 21- fine screen mesh.

Specific embodiment

To make the purpose of this utility model, technical scheme and advantage become more apparent, with reference to embodiment and accompanying drawing, The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this Utility model, is not intended as to restriction of the present utility model.

Embodiment

As shown in Figure 1, Figure 2 and Figure 3, this utility model is the biphase device of solid-liquid in a kind of separation drilling fluid, including sieve Case 1, is provided with vibrating motor 4, gripper shoe is provided with the outside of screen box 1, tensioning spring 6 is connected with below gripper shoe below screen box 1, 6 lower end of tensioning spring is connected with pillar 5, and charging aperture 10 is provided with above 1 one end of screen box, and the other end is discharging opening, in screen box 1 Screen frame 3 is provided with, the 3 interior distance for being provided with wide-meshed screen 2, wide-meshed screen 2 and horizontal plane of screen frame is along charging aperture 10 to discharging opening Direction be gradually lowered, fine screen mesh 21 is provided with below wide-meshed screen 2, Baltimore groove 8 between wide-meshed screen 2 and fine screen mesh 21, is provided with, Baltimore groove 8 is located on the side in screen box 1, and Baltimore groove 8 extends to charging aperture 10 from discharging opening, is provided with through hole on Baltimore groove 8, Liquid phase splicing plate 9 is provided with Baltimore groove 8, liquid phase splicing plate 9 is parallel to wide-meshed screen 2, also including stud 7, stud 7 By the through hole on Baltimore groove 8 and run through liquid phase splicing plate 9, along the direction of charging aperture 10 to discharging opening, in first-class of screen frame 3 Away from some spring stop devices are provided with, also including blowout prevention plate 17, blowout prevention plate 17 just to charging aperture 10, hang down by the side of blowout prevention plate 17 Direct-connected to be connected to splash-back 16, splash-back 16 is fixed on screen box 1, and top board 19 is provided with the top of blowout prevention plate 17, is pacified above top board 19 Equipped with water inlet pipe 18,18 top of water inlet pipe connection water pump, 18 bottom of water inlet pipe is through top board 19 to top board 19 and just to anti- Spray plate 17, splash-back 16 are connected with block cover 20 on the side away from charging aperture 10, block cover 20 extends to discharging opening along screen box 1.Bullet Spring retaining device includes the fixed dam 12 being fixed on screen frame 3, and the longer sides of 12 bottom surface of fixed dam are perpendicular to screen frame 3, the normal direction of the height of fixed dam 12 parallel to screen frame 3, fixed dam 12 are provided with the side of charging aperture 10 Spring 14, spring 14 are connected with cushion pad 15, also include the moving stop 11 parallel to fixed dam 12, moving stop 11 with it is slow Rush pad 15 to contact, rotating shaft 13 is set at the top of moving stop 11, rotating shaft 13 is provided with screw thread, 13 bottom of rotating shaft on the side of bottom End is inserted in the screw arrange on screen frame 3 through moving stop 11.The length of moving stop 11 is 12 length of fixed dam 1.5 to 2 times.11 surface of moving stop scribbles synthetic enamel.Cushion pad 15 is made up of nitrile rubber.1 bottom surface of screen box and dusting cover Net 21 is each parallel to wide-meshed screen 2.Screen-aperture 1/4 to 1/2 of the screen-aperture of fine screen mesh 21 for wide-meshed screen 2.Water inlet pipe 18 Bottom is provided with the distance between spray head, spray head and blowout prevention plate 17 and is more than 15 centimetres.It is equipped with some hard on blowout prevention plate 17 Hair.17 bottom of blowout prevention plate is the 1/3 ~ 1/2 of 16 height of splash-back with the distance of 16 bottom of splash-back.

During using this device, first liquid phase splicing plate 9 is fixed in Baltimore groove 8, liquid phase splicing is locked with stud 7 Plate 9, opens vibrating motor 4 afterwards, and when drilling fluid is sprayed from charging aperture 10, drilling fluid is impinged upon on blowout prevention plate 17, a part On the wide-meshed screen 2 that drilling fluid rebounds to charging aperture；A part of drilling fluid is sticked on blowout prevention plate 17；Some drilling well Liquid is splashed to surrounding after shock, and after the effect vibrated of the drilling fluid on wide-meshed screen 2, the normal direction along wide-meshed screen 2 is thrown, Then fall and impinge upon on wide-meshed screen 2, the liquid phase in drilling fluid is dropped down onto on liquid phase splicing plate 9 by the sieve aperture on wide-meshed screen 2, Bulky solid phase particles continue above wide-meshed screen 2 while when clashing into wide-meshed screen 2 and separating the liquid phase of carrying, to discharging Mouth is mobile.Drilling fluid is impinged upon on moving stop 11 while effect vibrated, and moving stop 11 is by drilling fluid Counteracting force further separates solid phase and liquid phase in drilling fluid.After work a period of time, stud 7 is unclamped, liquid phase is taken down Splicing plate 9, as the solid phase particles volume in drilling fluid diminishes, in drilling fluid, the larger solid phase particles of a little volume are still thick Move on screen cloth 2, the solid phase particles of small volume are dropped down onto, and liquid phase flows in 1 bottom surface of screen box.Open afterwards Water pump, water pump are sprayed onto in hydraulic pressure to water inlet pipe 18 water on blowout prevention plate 17 by water inlet pipe 18, and current drop down onto wide-meshed screen afterwards On 2, the drilling fluid on wide-meshed screen 2 is diluted, the drilling fluid after finally diluting is fallen into into screen box 1.When drilling fluid is thick On screen cloth 2 it is vibrated effect it is tossed when, run into the rebound effect of block cover 20, drop down onto wide-meshed screen 2 again in conjunction with action of gravity On separated, increased shock number of times of the drilling fluid on wide-meshed screen 2.By said apparatus so that exploitation early stage, drilling fluid In liquid phase velocity through screen accelerate, improve the treating capacity of drilling fluid vibrating sieve；The exploitation later stage, even if solid phase particles volume becomes Little, screen cloth also can be sieved to drilling fluid, improve the separation efficiency of drilling fluid vibrating sieve.

Above-described specific embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect One step is described in detail, be should be understood that to the foregoing is only specific embodiment of the present utility model, is not used to limit Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, equivalent are replaced Change, improve, should be included within protection domain of the present utility model.

Claims (10)

1. a kind of biphase device of solid-liquid in separation drilling fluid, including screen box（1）, the screen box（1）Lower section is provided with vibration electricity Machine（4）, screen box（1）Outside is provided with gripper shoe, is connected with tensioning spring below the gripper shoe（6）, the tensioning spring（6） Lower end is connected with pillar（5）, screen box（1）Charging aperture is provided with above one end（10）, the other end is discharging opening, screen box（1）It is interior It is provided with screen frame（3）, the screen frame（3）Wide-meshed screen is provided with inside（2）, the wide-meshed screen（2）With the distance edge of horizontal plane Charging aperture（10）Direction to discharging opening is gradually lowered, it is characterised in that wide-meshed screen（2）Lower section is provided with fine screen mesh（21）, slightly Screen cloth（2）With fine screen mesh（21）Between be provided with Baltimore groove（8）, the Baltimore groove（8）Positioned at screen box（1）It is on interior side, recessed Shape groove（8）Charging aperture is extended to from discharging opening（10）, Baltimore groove（8）On be provided with through hole, Baltimore groove（8）Inside it is provided with liquid phase to connect Flitch（9）, the liquid phase splicing plate（9）Parallel to wide-meshed screen（2）, also including stud（7）, the stud（7）It is logical Cross Baltimore groove（8）On through hole and run through liquid phase splicing plate（9）, along charging aperture（10）To the direction of discharging opening, in screen frame（3） On be equidistantly provided with some spring stop devices, also including blowout prevention plate（17）, the blowout prevention plate（17）Just to charging aperture（10）, Blowout prevention plate（17）Side be vertically connected with splash-back（16）, the splash-back（16）It is fixed on screen box（1）On, blowout prevention plate（17） Top is provided with top board（19）, the top board（19）Top is provided with water inlet pipe（18）, the water inlet pipe（18）Top connects water Pump, water inlet pipe（18）Top board is run through in bottom（19）To top board（19）Lower section and just to blowout prevention plate（17）, splash-back（16）Away from entering Material mouth（10）Side on be connected with block cover（20）, the block cover（20）Along screen box（1）Extend to discharging opening.

2. it is according to claim 1 it is a kind of separation drilling fluid in the biphase device of solid-liquid, it is characterised in that the spring catch Panel assembly includes being fixed on screen frame（3）On fixed dam（12）, the fixed dam（12）The longer sides of bottom surface perpendicular to Screen frame（3）, fixed dam（12）Height parallel to screen frame（3）Normal direction, fixed dam（12）Near charging aperture （10）Side on spring is installed（14）, the spring（14）It is connected with cushion pad（15）, also include parallel to fixed dam （12）Moving stop（11）, moving stop（11）With cushion pad（15）Contact, moving stop（11）Top arranges rotating shaft（13）, The rotating shaft（13）Screw thread, rotating shaft are provided with the side of bottom（13）Moving stop is run through in bottom（11）It is inserted into screen cloth Frame（3）In the screw of upper setting.

3. the biphase device of solid-liquid in a kind of separation drilling fluid according to claim 2, it is characterised in that the mobile gear Plate（11）Length be fixed dam（12）1.5 to 2 times of length.

4. the biphase device of solid-liquid in a kind of separation drilling fluid according to claim 2, it is characterised in that the mobile gear Plate（11）Surface scribbles synthetic enamel.

5. it is according to claim 2 it is a kind of separation drilling fluid in the biphase device of solid-liquid, it is characterised in that the cushion pad （15）It is made up of nitrile rubber.

6. it is according to claim 1 it is a kind of separation drilling fluid in the biphase device of solid-liquid, it is characterised in that the screen box （1）Bottom surface and fine screen mesh（21）Each parallel to wide-meshed screen（2）.

7. it is according to claim 1 it is a kind of separation drilling fluid in the biphase device of solid-liquid, it is characterised in that the fine screen mesh （21）Screen-aperture be wide-meshed screen（2）Screen-aperture 1/4 to 1/2.

8. it is according to claim 1 it is a kind of separation drilling fluid in the biphase device of solid-liquid, it is characterised in that the water inlet pipe （18）Bottom spray head is installed, spray head and blowout prevention plate（17）The distance between be more than 15 centimetres.

9. it is according to claim 1 it is a kind of separation drilling fluid in the biphase device of solid-liquid, it is characterised in that the blowout prevention plate （17）On be equipped with some bristles.

10. it is according to claim 1 it is a kind of separation drilling fluid in the biphase device of solid-liquid, it is characterised in that the blowout prevention Plate（17）Bottom and splash-back（16）The distance of bottom is splash-back（16）The 1/3 ~ 1/2 of height.