CN112855054A - Magnetic suspension driving rotary vibrating screen with net cleaning function - Google Patents
Magnetic suspension driving rotary vibrating screen with net cleaning function Download PDFInfo
- Publication number
- CN112855054A CN112855054A CN202110313289.2A CN202110313289A CN112855054A CN 112855054 A CN112855054 A CN 112855054A CN 202110313289 A CN202110313289 A CN 202110313289A CN 112855054 A CN112855054 A CN 112855054A
- Authority
- CN
- China
- Prior art keywords
- screen
- screen box
- box body
- annular
- magnetic suspension
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 39
- 238000004140 cleaning Methods 0.000 title claims abstract description 25
- 239000004744 fabric Substances 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 14
- 230000003139 buffering effect Effects 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 238000012216 screening Methods 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 239000008187 granular material Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 14
- 239000012530 fluid Substances 0.000 description 13
- 239000002245 particle Substances 0.000 description 7
- 230000005284 excitation Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000005339 levitation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/29—Filters with filtering elements which move during the filtering operation the movement of the filter elements being a combination of movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/72—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding
Abstract
The invention discloses a magnetic suspension driving rotary vibrating screen with a screen cleaning function, which comprises a screen cover, an upper screen box body, a lower screen box body, a screen driving component, a magnetic suspension driving eccentric block component, a screen box body bottom cover, a rubber spring, a base and an ear seat bolt connecting component, wherein the structure utilizes an electrified solenoid and an electromagnet moving block to generate electromagnetic force, rotates under the action of the electromagnetic force of an annular guide magnet, generates eccentric force through the eccentric block to vibrate, and the screen driving component generates up-and-down movement through the charging and discharging of the electromagnet so as to drive a screen to draw close to the center and expand the periphery; this shale shaker operates more steadily, the structure is compacter, and screen cloth long service life, easy change, and screening efficiency and precision are higher, the granule passes through sieve effectual, the material is difficult for piling up, clear up the screen cloth effectual, passes through sieve efficiently, have take up an area of small, remove convenient and customization degree height, the space is sealed, be difficult for revealing, but continuous operation, characteristics that the productivity effect is high.
Description
Technical Field
The invention relates to the technical field of solid-liquid separation equipment, in particular to a magnetic suspension driving rotary vibrating screen with a screen cleaning function.
Background
The drilling fluid vibrating screen is the first stage solid control equipment of a drilling mud purification system, and is mainly used for removing rock debris and other harmful solid phase particles in the drilling fluid and recycling the high-cost drilling fluid. Most vibrating screens in the prior art adopt an excitation motor to generate excitation force, a rectangular screen is selected, the excitation force is combined to form a certain track on a screen surface, large-particle solid phase is removed at the vibration lower end, and small-size solid phase and drilling fluid flow through the screen surface to enter a circulating system again. Most of the vibrating screens have the disadvantages that the inertia force borne by the particles is kept unchanged due to the regular motion form of the screen, the probability of screen blockage and screen blocking is increased, if the vibration frequency and the amplitude are simply increased, the inertia force borne by the critical particles is increased to a certain extent, but the impact of materials on the screen surface on the screen is increased, and the service life of the screen is shortened.
The rotary screen in the prior art is not mature in the technical field of drilling fluid, and the prior art can not screen the drilling fluid and give consideration to efficient work and screen cleaning.
The rotary vibrating screen that this application utilized is the screening plant of the artifical screening form of simulation, and drilling fluid is followed the screen cover feeding and to screen cloth dispersion all around, and drilling fluid and tiny particle fall through the screen cloth, accompany sifter wobbling motion, and the large granule is removed to the screen cloth edge, and vibration amplitude is little from top to bottom, and is little to the screen cloth impact, for traditional shale shaker, has higher screening efficiency.
Disclosure of Invention
In order to ensure the efficient work of the vibrating screen and simultaneously consider the cleaning of the screen, the invention provides the magnetic suspension driving rotary vibrating screen with the screen cleaning function, which abandons excitation motors and motor base accessories, utilizes an eccentric driving mode, combines a magnetic suspension technology, skillfully installs a driving device at the bottom of a screen box, has more compact structural design, adopts a magnetic rail design for the driving device, ensures that the screen box runs more stably, solves the problem that the screen of the existing drilling fluid vibrating screen is difficult to clean, can effectively clean the screen, has high cleaning efficiency and good effect, can operate continuously and has longer service life of the screen.
The technical scheme for solving the technical problems is as follows:
a magnetic suspension driving rotary vibrating screen with a screen cleaning function comprises an upper screen box body, a screen driving assembly and a magnetic suspension driving eccentric block assembly, wherein a plurality of screens are arranged in the upper screen box body; the magnetic suspension driving eccentric block component is annular, the screen driving component is positioned in the annular center, the screens are distributed in a radial shape, each screen is provided with a connecting component for hinging and supporting a vibrating rod, the bottom ends of the supporting vibrating rods are hinged to the top end of the screen driving component and are connected in a radial shape, the screens can be synchronously folded or unfolded relative to the upper screen box body under the driving of the screen driving component, the screen can be contracted and unfolded in an umbrella shape in the folding or unfolding mode, and the electromagnetic force is generated by utilizing an electrified solenoid, the eccentric block assembly is driven by magnetic suspension to drive the screen mesh driving assembly to move up and down in the vertical direction, the screen driving component drives the connecting component of the screen, the screen moves together with the connecting component to draw close to the center and expand to the periphery, utilize electromagnet to charge and discharge like this, carry out the horizontal direction round trip movement of screen cloth, and then realize the effect of clearance.
In a preferred embodiment of the present invention, the upper screen box is an annular structure, and the upper screen box is provided with a screen box mounting framework radially connected to the inner side of the annular structure from the center of the annular structure, the connecting component is a screen fan-shaped mounting framework connected to the edge of the screen, the screen box mounting framework is provided with a chute clamped into the screen fan-shaped mounting framework, the screen box mounting framework divides the inside of the upper screen box into a plurality of fan-shaped areas, so that when the plurality of screens are folded, the screen and the screen fan-shaped mounting framework fill the fan-shaped areas together without gaps, and liquid passes through the screen only, thereby facilitating the screen to be drawn out from the upper screen box and be directly drawn out for replacement.
In a preferred embodiment of the present invention, the screen box mounting frame is provided with a buffer connection portion for buffering the connection component, the buffer connection portion includes a spring net and rubber, the rubber is disposed on both top and bottom surfaces of the spring net, when the plurality of screens are folded, the screen fan-shaped mounting frame presses on both sides of the spring net and compresses the spring net and the rubber, so as to perform a shock absorption and buffer function on the screen fan-shaped mounting frame.
In a preferred embodiment of the invention, the upper screen box body is a plurality of separated structures combined to form an annular structure, adjacent separated structures are connected through an ear seat bolt connecting assembly, when the rotary vibrating screen fails, a quarter screen box body, namely, a separated structure can be pulled out to repair the failure, each separated structure comprises an upper screen box outer shell and an upper screen box inner shell, the box body is divided into an inner part and an outer part, unfiltered silt is effectively prevented from flowing into a lower layer, the upper screen box outer shell is provided with a drawing window for inserting or pulling out a screen into or from the upper screen box body, when the screen is damaged and needs to be replaced, the screen can be conveniently and quickly pulled out from the outer side of the upper screen box body, the screen is convenient to replace, and a buffer connecting part is connected between the upper screen box outer shell and the upper screen box inner shell to play a role in damping and buffering.
In a preferred embodiment of the present invention, the screen driving assembly includes a supporting vibration plate, a photoelectric sleeve, an embedded electromagnet moving block, and a linear sliding bearing, the supporting vibration plate and the linear sliding bearing are respectively connected to two ends of a top and a bottom of the photoelectric sleeve, a top end of the energized solenoid is connected to the linear sliding bearing, and a cooling fan is further disposed at a bottom end of the energized solenoid to provide a driving force for the rotary vibrating screen, and the movement is limited in a vertical direction, so that the driving process is more stable.
In a preferred embodiment of the present invention, the magnetic suspension driving eccentric block assembly further includes a sieve box support, an eccentric block and a guide rail, wherein the sieve box support is annular and the bottom of the sieve box support is concavely provided with an annular groove, the guide rail is annular and is disposed in the annular groove of the sieve box support, the annular outer side of the annular guide magnet leans against the guide rail, and the eccentric block is arc-shaped and is disposed on the inner side of the annular guide magnet and is fixed; by utilizing the structure formed by the long-stator linear synchronous motor, namely the screen driving assembly and the magnetic suspension driving eccentric block assembly, the generated electromagnetic suspension force, the guiding force and the driving force realize that the annular guiding magnet drives the eccentric block to rotate, so that the eccentric effect is achieved, and the vibration is caused.
In a preferred embodiment of the present invention, the upper screen box casing is further provided with a feeding port for liquid to enter, the feeding port is located above the drawing window, so that the liquid mixed with silt can conveniently enter the rotary vibrating screen, the top of the upper screen box casing is further connected with a screen cover, and the top of the screen cover is provided with a through hole for air circulation, so as to keep the air circulation inside and outside.
In a preferred embodiment of the present invention, the rotary vibrating screen further includes a screen box bottom cover, a rubber spring and a base, the bottom cover is connected to the bottom of the screen box support, the screen box bottom cover is provided with a through hole through which liquid passes, and the plurality of rubber springs are connected between the screen box bottom cover and the base, so that the rotary vibrating screen can stably vibrate to separate solid from liquid.
In a preferred embodiment of the present invention, the rotary vibrating screen further includes a lower screen box, the lower screen box includes an annular outer ring and a frame structure connected in the annular outer ring, the frame structure is radial, a bearing hole is disposed at a radial center of the frame structure, the screen driving assembly is disposed in the bearing hole and can move up and down relative to the lower screen box, the movement of the screen driving assembly is limited in a linear direction, the screen driving assembly is similar to a linear bearing, an annular space is disposed at the bottom of the outer ring, the magnetic suspension driving eccentric block assembly is disposed in the annular space, a stepped groove is disposed at the top of the lower screen box, the upper screen box is seated on the stepped groove, a circle of rubber is disposed on the stepped groove for sealing, the rotary vibrating screen is tightly sealed, and liquid leakage is avoided.
In a preferred embodiment of the invention, the screen box body installation framework is a screen box body cross installation framework which is in a cross shape, 4 screens, screen fan-shaped installation frameworks and supporting vibration rods are respectively arranged, the screens and fan-shaped areas are in fan shapes of 1/4 circles, and the screens and the fan-shaped areas are synchronously folded and unfolded through 4 separated and radial structures to effectively clean the screens, so that the cleaning effect is good.
The invention has the following beneficial effects:
(1) the screening efficiency is adjustable and controllable; (2) the screen mesh is convenient, quick and labor-saving to replace and clean; (3) the screen box body can be separated and drawn out, so that the maintenance and the inspection are convenient; (4) the screen mesh cleaning efficiency is high, and the screening effect is good; (5) continuous operation can be realized, and the production benefit is high; (6) the maintenance is simple and convenient.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope.
FIG. 1 is an exploded view of a magnetically levitated driven rotary vibrating screen with a mesh cleaning function according to the present invention;
FIG. 2 is a schematic view of the combination of the magnetic suspension driven rotary vibrating screen with the mesh cleaning function of the present invention;
FIG. 3 is a schematic perspective view of the upper screen box of the present invention;
FIG. 4 is an exploded view of the upper screen box of the present invention;
FIG. 5 is a schematic view of a cushioned connection in accordance with the present invention;
FIG. 6 is a partial schematic view of a cushioned connection in accordance with the present invention;
figure 7 is a partial schematic view of the attachment of the screen drive assembly of the present invention;
figure 8 is an elevational view of the screen drive assembly of the present invention;
FIG. 9 is a perspective view of a magnetically levitated driving eccentric mass assembly and its connecting members in accordance with the present invention;
FIG. 10 is a cross-sectional view of a magnetic levitation drive eccentric mass assembly and its connecting members in accordance with the present invention;
icon: 1-a screen cover; 2, feeding the screen box body; 3, setting a screen box body; 4-a screen drive assembly; 5-magnetic suspension driving eccentric block assembly; 6-screening the bottom cover of the box body; 7-rubber spring; 8-a base; 9-lug bolt connection assembly; 10-a screen mesh; 11-supporting a vibration rod; 12-upper sieve box shell; 13-upper screen box inner shell; 14-a screen box body cross mounting framework; 15-a buffer connection; 16-a screen fan-shaped mounting framework; 401-supporting a vibration plate; 402-an opto-electronic sleeve; 403-embedding an electromagnet moving block; 404-linear slide bearings; 405-energizing a solenoid; 406-a heat dissipation fan; 501-a screen box support; 502-eccentric mass; 503-a guide rail; 504-ring-shaped guide magnet; 151-spring net; 152-rubber.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1, a magnetic suspension driving rotary vibrating screen with a mesh cleaning function comprises a screen cover 1, an upper screen box 2, a lower screen box 3, a screen driving component 4, a magnetic suspension driving eccentric block component 5, a screen box bottom cover 6, a rubber spring 7, a base 8 and an ear seat bolt connecting component 9, wherein the upper screen box 2 is formed by combining 4 separated structures, each separated structure comprises an upper screen box outer shell 12 and an upper screen box inner shell 13, a screen 10, a supporting vibrating rod 11, a screen fan-shaped mounting framework 16, a screen box cross mounting framework 14 and a buffering connecting part 15 are arranged in each separated structure, the screen driving component 4 comprises a supporting vibrating disk 401, an optoelectronic sleeve 402, an embedded electromagnet moving block 403, a linear sliding bearing 404, an electrified solenoid 405 and a cooling fan 406, the magnetic suspension driving eccentric block component 5 comprises a screen box support 501, an eccentric block 502, The guide rail 503 and the annular guide magnet 504, and the buffer connecting part 15 comprises a spring net 151 and rubber 152, the connecting part arranged at the bottom of the screen mesh 10 is a screen mesh fan-shaped mounting framework 16, and the screen box mounting framework is in a cross shape; this structure utilizes circular telegram solenoid 405, embedded electro-magnet movable block 403 produces the electromagnetic force, rotate through drive magnetic suspension drive eccentric block subassembly 5, and magnetic suspension drive eccentric block subassembly 5 has produced vibrations owing to eccentric setting, and drive screen cloth drive assembly 4 charges through the electro-magnet and discharges and produce the power that reciprocates, reciprocating type reciprocates in vertical direction, and then screen cloth drive assembly 4 drives the adapting unit of screen cloth 10, screen cloth 10 is along with adapting unit does drawing in and the motion of expanding all around that draws close to the center together, utilize electro-magnet to charge and discharge like this, carry out drawing in and expansion round trip movement of screen cloth 10, and then realize the effect of clearance screen cloth 10.
Referring to fig. 2, the overall structure of the present embodiment sequentially includes, from top to bottom: the screen comprises a screen cover 1, an upper screen box body 2, a lower screen box body 3, a screen box body bottom cover 6, a rubber spring 7 and a base 8, wherein a screen driving assembly 4 is arranged in the middle of the lower screen box body 3, and a magnetic suspension driving eccentric block assembly 5 is arranged inside the lower screen box body 3; the top of sieve lid 1 is outside convex arcwall face, its middle part is provided with the through-hole that supplies the circulation of air, likewise, sieve box bottom 6 also is provided with the through-hole, for liquid to pass through, the top edge welded fastening of sieve box bottom 6 is to the bottom of lower sieve box 3, sieve box bottom 6 oscillates with lower sieve box 3 together, the bottom edge of sieve box bottom 6 is provided with the slice groove, and the top embedding of rubber spring 7 is in the slice inslot, make rubber spring 7 connect the bottom at sieve box bottom 6, and the bottom embedding of rubber spring 7 is at the top of base 8, rubber spring 7 is equipped with 8 altogether, 8 rubber spring 7 are connected between sieve box bottom 6 and base 8, it is more steady to reach the operation, the structure is compacter, make the rotary vibrating screen can carry out stable vibration, and then separate solid-liquid.
Referring to fig. 3 and 4, the upper screen box 2 is composed of 4 separate structures, the 4 separate structures are spliced end to end and are connected and fixed at the outer sides through the lug bolt connecting assembly 9, so that the separate structures are combined into an annular structure, the 4 separate structures are convenient to detach, when the rotary vibrating screen fails, the 1/4 upper screen box 2, namely the separate structures, can be pulled out for maintenance failure, the separate structures comprise an upper screen box outer shell 12 and an upper screen box inner shell 13, the upper screen box inner shell 13 is positioned at the inner side of the upper screen box outer shell 12, the top of the annular structure is provided with a groove formed by the upper screen box outer shell 12 and the upper screen box inner shell 13 surrounding a circle, the bottom edge of the screen cover 1 is provided with an annular bulge, and the bulge is clamped in the groove, so that the screen cover 1 is matched and connected with the upper screen box 2; the upper screen box outer shell 12 is positioned at the outer side of the upper screen box inner shell 13, the inner and outer separation effectively prevents unfiltered silt from flowing into the lower layer, the upper screen box outer shell 12 and the upper screen box inner shell 13 are buffered and vibrated by arranging the buffer connecting part 15, in the embodiment, two ends of a spring net 151 arranged at the position are respectively welded and fixed on the inner wall of the upper screen box outer shell 12 and the outer wall of the upper screen box inner shell 13, and the rubber 152 is in a sheet shape and is respectively pressed at two sides of the spring net 151; the outer side of the adjacent separation type structure of the upper screen box body 2, namely the joint of the adjacent upper screen box shells 12 is fixedly provided with an ear seat bolt connecting assembly 9, in the embodiment, the position of the joint is provided with an ear seat which is provided with a threaded hole, the adjacent upper screen box shells 12 are connected and fixed into an annular structure through bolts, the upper screen box shells 12 are also provided with a feed inlet for entering drilling fluid, the feed inlet is formed by extending the outer wall of the upper screen box shells 12 outwards, the inner end of the feed inlet penetrates through the upper screen box inner shells 13 and is communicated to the annular inner side of the upper screen box inner shells 13, so that the drilling fluid mixed with silt and drill cuttings can enter the rotary vibrating screen conveniently, the drilling fluid and small particles fall through the screen 10 and move along with the screen surface swing of the screen 10, and large particles move to the edge of; go up sieve case shell 12 and go up sieve case inner shell 13 and be provided with the drainage window, this drainage window communicates to the inside of last sieve case inner shell 13, foretell feed inlet is located the top of drainage window, the length of drainage window just makes screen cloth 10 support both sides with screen cloth 10 after inserting, and the width of drainage window and the thickness phase-match of screen cloth 10, only hold a screen cloth 10 and pass through, the drainage window supplies screen cloth 10 to insert or take out and go up sieve box 2, when screen cloth 10 damages, when needing to be changed, screen cloth 10 can be followed and sieved 2 outside convenient and fast extractions of box, directly take out and just can change.
Referring to fig. 5 and 6, the upper screen box 2 is provided with a screen box mounting frame radially connected to the inner wall of the inner casing 13 of the upper screen box from the center of the ring structure, in this embodiment, the screen box mounting frame is a screen box cross mounting frame 14, which is in a cross shape, the screen box cross mounting frame 14 is provided with a chute for clamping the screen fan-shaped mounting frame 16, the screen box cross mounting frame 14 is divided into an upper piece and a lower piece, rubber 152 is attached between the two pieces of structures, a spring net 151 is arranged between the rubber 152, two sides of the spring net 151 are just used for abutting against the screen fan-shaped mounting frame 16, since the upper piece and the lower piece of the screen box cross mounting frame 14 and the spring net 151 and the rubber 152 arranged between the two pieces of the screen box cross mounting frame 14 form chutes concavely arranged at two sides, when the screen 10 is folded, the screen fan-shaped mounting frame 16 is clamped into the chute, the spring net 151 and the rubber 152 form a, the buffer connecting part 15 extends along each direction of the cross mounting framework 14 of the screen box body, the end part of the buffer connecting part 15 is arranged in the vertical direction, so that the end parts of the buffer connecting part 15 in four directions are bent upwards to form an L shape, and the spring net 151 and the rubber 152 which are positioned at the end parts are positioned between the adjacent separated structures, thus when the 4 separated structures are connected, the spring net 151 and the two pieces of rubber 152 on the side surface of the spring net are just pressed, and the shock absorption and the buffer are facilitated; the screen cloth 10, the fan-shaped installation skeleton 16 of screen cloth and the support vibrations stick 11 are provided with 4 respectively, sieve box cross installation skeleton 14 separates the intra-annular of last sieve box 2 for 4 fan-shaped regions, screen cloth 10 and fan-shaped region all are the fan-shaped of 1/4 circles, every screen cloth 10 bottom edge card goes into the fan-shaped installation skeleton 16 of screen cloth and welded fastening, the fan-shaped installation skeleton 16 of screen cloth is by three leg joint integrated into one piece, wherein two supports become 90 each other, and the both ends of third support are connected above-mentioned two supports respectively, and the third support is located the right angle and leans on the inner, and the aforesaid becomes right angle two supports inboard and is used for going into screen cloth 10 each other, the both sides card of the fan-shaped structure closed angle of screen cloth 10 is at the edge of above-mentioned support and welded fastening, make screen cloth 10 and fan-shaped installation skeleton 16 of screen cloth fixed, 4 screen cloth 10 are radial distribution, the protruding articulated seat that is used for The hinged seats are provided with hinged holes, the supporting vibration rods 11 are connected with the hinged holes of the fan-shaped screen installing framework 16 by pins, the bottom ends of 4 supporting vibration rods 11 are radially hinged to the top end of the screen driving assembly 4, the top end of the screen driving assembly 4 is used for supporting the vibration disc 401, four U-shaped seats are convexly arranged on the edge of the supporting vibration disc 401 towards the periphery, the U-shaped seats are provided with hole pairs with opposite positions, and the pins penetrate through pin holes in the bottom end of the supporting vibration rods 11 and are connected to the hole pairs, so that the supporting vibration rods 11 are connected with the supporting vibration disc 401; after the connection, when the 4 screens 10 are folded, the fan-shaped screen mounting frameworks 16 are pressed on two sides of the spring net 151 and compress the springs, so that the fan-shaped screen mounting frameworks 16 are damped and buffered, the screens 10 can be synchronously folded or unfolded relative to the upper screen box body 2 under the driving of the screen driving component 4, the folding or unfolding mode is umbrella-shaped, the screens 10 are synchronously folded and unfolded, the screens 10 are effectively cleaned, the cleaning effect is good, when the 4 screens 10 are folded, the screens 10 and the fan-shaped screen mounting frameworks 16 fill the fan-shaped areas together and have no gaps, and liquid only passes through the screens 10.
The lower sieve box body 3 of the embodiment is composed of a frame structure and an outer ring at the middle part, the frame structure is radially distributed and is provided with 5 supporting rods, the 5 supporting rods are connected at the center to form radiation, the other end of each supporting rod is connected and fixed with the inner wall of the outer ring, the center of the frame structure is provided with a bearing hole which is inwards recessed from the top, the outer ring is annular, the frame structure and the outer ring are integrally formed, the screen driving component 4 is arranged in the bearing hole through the bearing hole and can move up and down relative to the lower sieve box body 3, so that the movement of the screen driving component 4 is limited in the linear direction, the action similar to a linear bearing is realized, the bottom of the outer ring is inwards recessed and provided with an annular space, and the magnetic suspension driving eccentric block component 5 is arranged; the top of lower sieve box 3, the top edge of outer loop is provided with the ladder groove, and the shape in this ladder groove matches each other with the bottom of last sieve case shell 12 and last sieve case inner shell 13 for go up sieve box 2 and sit on the ladder groove, set up a round rubber 152 and seal on the ladder groove, carried out tight seal to rotary vibrating screen like this, avoid liquid to leak.
Referring to fig. 7 and 8, the screen driving assembly 4 is disposed in a bearing hole of a frame structure of the lower screen box 3, wherein the photoelectric sleeve 402, the linear sliding bearing 404, the embedded electromagnet moving block 403, the energized solenoid 405 and the heat dissipating fan 406 are disposed in the bearing hole, the bottom of the supporting vibration plate 401 is abutted against the top of the bearing hole, so that the supporting vibration plate 401 is always exposed out of the bearing hole, the supporting vibration plate 401 is connected with the supporting vibration rod 11 through a U-shaped seat disposed around the supporting vibration plate 401, the supporting vibration plate 401 and the linear sliding bearing 404 are respectively disposed at the top and bottom ends of the photoelectric sleeve 402, the photoelectric sleeve 402 is in a ring shape, the shaft of the linear sliding bearing 404 passes through the ring of the photoelectric sleeve 402 and is connected to the supporting vibration plate 401, the photoelectric sleeve 402 is rotatable relative to the linear sliding bearing 404, the outer side of the photoelectric sleeve 402 is outwardly protruded with a rod structure for locking the bearing, the embedded electromagnet moving block 403 is arranged in the energized solenoid 405 to form an electromagnet, the top end of the energized solenoid 405 is connected to the linear sliding bearing 404, the bottom end of the energized solenoid 405 is further provided with a heat dissipation fan 406, a gap is reserved between the heat dissipation fan 406 and the energized solenoid 405, the heat dissipation fan 406 is fixed at the bottom end of the bearing hole, and the structure formed by the energized solenoid 405, the embedded electromagnet moving block 403 and the linear sliding bearing 404 provides driving force for folding and unfolding of the screen 10, meanwhile, the movement is limited in the vertical direction, and the driving process is more stable.
Referring to fig. 9 and 10, the magnetic levitation driving eccentric block assembly 5 is annular and the screen driving assembly 4 is located at the center of the annular, that is, the screen driving assembly 4 is located in the bearing hole of the lower screen casing 3, the magnetic levitation driving eccentric block assembly 5 is located in the annular space at the bottom of the lower screen casing 3, the screen casing support 501 is located near the outer ring of the annular space, the bottom of the screen casing support 501 is concavely provided with an annular groove, and the eccentric block 502, the guide rail 503 and the annular guide magnet 504 are located in the annular groove, so that the screen casing support 501 seals the eccentric block 502, the guide rail 503 and the annular guide magnet 504 at the top of the screen casing bottom cover 6, and the bottom of the screen casing support 501 is welded and fixed with the screen casing bottom cover 6, the guide rail 503 is annular and located near the outer side of the annular groove of the screen casing support 501, the annular outer side of the annular guide magnet 504 rests on the guide rail 503, and the inner side of the guide rail 503 is convexly provided with, the outer side of the annular guide magnet 504 is provided with a U-shaped groove matched with the strip-shaped structure, so that the guide rail 503 and the annular guide magnet 504 are clamped with each other, relative up-and-down movement is not generated, the degree of freedom is limited, so that the annular guide magnet 504 can rotate on the guide rail 503 relative to the guide rail 503, the eccentric block 502 is arc-shaped and is arranged on the inner side of the annular guide magnet 504, the eccentric block 502 and the annular guide magnet 504 are attached and connected into a whole, the radian of the eccentric block 502 is smaller than that of 1/2, and the arrangement of the eccentric block 502 ensures that the annular guide magnet 504 generates unbalanced eccentric force when rotating, so that the vibration of the rotary vibrating screen is caused; the structure utilizes the long stator linear synchronous motor, namely the electromagnetic suspension force, the guiding force and the driving force generated by the screen driving component 4 and the magnetic suspension driving eccentric block component to realize that the annular guiding magnet 504 drives the eccentric block 502 to rotate, thereby achieving the eccentric effect and causing the vibration.
In conclusion, the liquid is guided into the upper screen box body through the feeding hole, the screen can be extracted and inserted for replacement, the screen driving assembly moves in the bearing hole to drive the supporting vibration rod, the supporting vibration rod drives the screen to fold and unfold so as to clean the screen, the electromagnetic force is generated by the screen driving assembly through the embedded electromagnet moving block and the electrified solenoid, the screen driving assembly rotates under the action of the electromagnetic force of the annular guide magnet, the eccentric block generates eccentric force to vibrate, and the vibration buffering is realized through the rubber spring; the vibrating screen can solve the problem that the screen of the existing drilling fluid vibrating screen is difficult to clean, can effectively clean the screen, is high in cleaning efficiency and good in effect, can continuously operate, and enables the screen to be long in service life.
The above description is only of the preferred embodiments of the present invention and is not intended to illustrate and describe all possible forms of the present invention. It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the invention and are to be construed as being without limitation to such specifically recited embodiments and examples. Those skilled in the art can make various other specific changes and combinations based on the teachings of the present invention without departing from the spirit of the invention, and these changes and combinations are within the scope of the invention.
Claims (10)
1. A magnetic suspension driving rotary vibrating screen with a screen cleaning function is characterized by comprising an upper screen box body (2) internally provided with a plurality of screen meshes (10), a screen mesh driving assembly (4) internally provided with an electrified solenoid (405), and a magnetic suspension driving eccentric block assembly (5) internally provided with an annular guide magnet (504), wherein the electrified solenoid (405) is provided with an embedded electromagnet moving block (403); magnetic suspension drive eccentric block subassembly (5) are the annular and screen cloth drive assembly (4) are located the annular center, and multi-disc screen cloth (10) are radial distribution, and every screen cloth (10) are equipped with the adapting unit that is used for articulated support vibrations stick (11), and the bottom of a plurality of support vibrations stick (11) articulates to the top of screen cloth drive assembly (4), is radial connection, screen cloth (10) drive and can draw in or expand in step for last sieve box (2) through screen cloth drive assembly (4).
2. The magnetic suspension driving rotary vibration screen with the mesh cleaning function according to claim 1, characterized in that the upper screen box body (2) is of an annular structure, the upper screen box body (2) is provided with a screen box body installation framework radially connected to the inner side of the annular structure from the center of the annular structure, the connecting component is a screen fan-shaped installation framework (16) connected to the edge of the screen mesh (10), the screen box body installation framework is provided with a chute clamped into the screen fan-shaped installation framework (16), the screen box body installation framework divides the ring of the upper screen box body (2) into a plurality of fan-shaped areas, so that when the plurality of screen meshes (10) are folded, the screen mesh (10) and the screen fan-shaped installation framework (16) fill the fan-shaped areas together without gaps, and liquid only passes through the screen mesh (10).
3. The magnetically levitated driven rotary vibrating screen with the mesh cleaning function of claim 2, wherein the screen box body mounting framework is provided with a buffering connection part (15) for buffering a connection part, the buffering connection part (15) comprises a spring mesh (151) and rubber (152), the rubber (152) is arranged on the top and bottom surfaces of the spring mesh (151), and when the plurality of screens (10) are folded, the screen fan-shaped mounting framework (16) presses on the two sides of the spring mesh (151) and compresses the spring mesh (151) and the rubber (152).
4. The magnetic suspension driven rotary vibrating screen with the mesh cleaning function according to claim 2, wherein the upper screen box body (2) is a plurality of separated structures combined to form an annular structure, adjacent separated structures are connected through an ear bolt connecting assembly (9), the separated structures comprise an upper screen box outer shell (12) and an upper screen box inner shell (13), and the upper screen box outer shell (12) is provided with a drawing window for inserting or drawing the screen mesh (10) into or out of the upper screen box body (2).
5. The magnetic suspension driven rotary vibrating screen with the mesh cleaning function according to any one of claim 1, characterized in that the screen driving assembly (4) comprises a supporting vibrating disk (401), a photoelectric sleeve (402), an embedded electromagnet moving block (403), and a linear sliding bearing (404), wherein the linear sliding bearing (404) penetrates through the photoelectric sleeve (402) and is connected to the bottom end of the supporting vibrating disk (401), the top end of the electrified solenoid (405) is connected to the linear sliding bearing (404), and the bottom end of the electrified solenoid (405) is further provided with a heat radiation fan (406).
6. The magnetic suspension driving rotary vibration screen with the mesh cleaning function according to any one of claim 1, wherein the magnetic suspension driving eccentric block assembly (5) further comprises a screen box support (501), an eccentric block (502) and a guide rail (503), the screen box support (501) is annular and is concavely provided with an annular groove at the bottom, the guide rail (503) is annular and is arranged in the annular groove of the screen box support (501), the annular outer side of the annular guide magnet (504) leans against the guide rail (503), and the eccentric block (502) is arc-shaped and is arranged inside the annular guide magnet (504) and is fixed.
7. The magnetic suspension driven rotary vibrating screen with the mesh cleaning function according to any one of claims 1 to 6, characterized in that the upper screen box shell (12) is further provided with a feed inlet for liquid to enter, the feed inlet is positioned above the drawing and placing window, the top of the upper screen box shell (12) is further connected with a screen cover (1), and the top of the screen cover (1) is provided with a through hole for air circulation.
8. The magnetic suspension driven rotary vibrating screen with the mesh cleaning function according to any one of claims 1 to 6, characterized in that the rotary vibrating screen further comprises a screen box bottom cover (6), a rubber spring (7) and a base (8), the bottom cover is connected to the bottom of the screen box support (501), the screen box bottom cover (6) is provided with a through hole for passing liquid, and a plurality of the rubber springs (7) are connected between the screen box bottom cover (6) and the base (8).
9. The magnetic suspension driving rotary vibrating screen with the mesh cleaning function according to claim 8, characterized in that the rotary vibrating screen further comprises a lower screen box body (3), the lower screen box body (3) comprises an annular outer ring and a frame structure connected in the ring, the bottom of the outer ring is provided with an annular space, the magnetic suspension driving eccentric block assembly (5) is arranged in the annular space, the top of the outer ring of the lower screen box body (3) is provided with a stepped groove, the upper screen box body (2) is seated on the stepped groove and provided with a circle of rubber sealing stepped groove; the screen cloth driving assembly is characterized in that the frame structure is radial, a bearing hole is formed in the radial center of the frame structure, and the screen cloth driving assembly (4) is arranged in the bearing hole and can move up and down relative to the lower screen box body (3).
10. The magnetic suspension driving rotary vibrating screen with the mesh cleaning function as claimed in claim 8, wherein the screen box body mounting framework is a screen box body cross mounting framework (14), the screen box body cross mounting framework (14) is in a cross shape, 4 screens (10), screen fan-shaped mounting frameworks (16) and supporting vibration rods (11) are respectively arranged, and the screens (10) and the fan-shaped areas are in fan shapes of 1/4 circles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110313289.2A CN112855054A (en) | 2021-03-24 | 2021-03-24 | Magnetic suspension driving rotary vibrating screen with net cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110313289.2A CN112855054A (en) | 2021-03-24 | 2021-03-24 | Magnetic suspension driving rotary vibrating screen with net cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112855054A true CN112855054A (en) | 2021-05-28 |
Family
ID=75992575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110313289.2A Pending CN112855054A (en) | 2021-03-24 | 2021-03-24 | Magnetic suspension driving rotary vibrating screen with net cleaning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112855054A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115007434A (en) * | 2022-07-16 | 2022-09-06 | 江河工程检验检测有限公司 | Magnetic suspension rotation type vibrations screening equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09141205A (en) * | 1995-11-15 | 1997-06-03 | Koei Sangyo Kk | Device for driving vibrating screen |
| CN2463073Y (en) * | 2001-01-16 | 2001-12-05 | 朱满平 | Horizontal set multiple frequency screen mesh-oscillating screen |
| WO2004110589A1 (en) * | 2003-06-12 | 2004-12-23 | Axiom Process Limited | Screening apparatus |
| CN203155515U (en) * | 2013-03-22 | 2013-08-28 | 成都瑞途电子有限公司 | Sieve shaker with high shaking frequency |
| CN205117254U (en) * | 2015-08-27 | 2016-03-30 | 北京华油兴业能源技术有限公司 | Mud does not fall to ground integrated well drilling solid controlling system and ultrasonic vibration filter equipment thereof |
| RU2015102492A (en) * | 2015-01-26 | 2016-08-10 | Станислав Васильевич Синев | METHOD FOR CLEANING A HORIZONTAL WELL FROM A DRILLED BREED |
| CN214660026U (en) * | 2021-03-24 | 2021-11-09 | 西南石油大学 | Magnetic suspension driving rotary vibrating screen with net cleaning function |
-
2021
- 2021-03-24 CN CN202110313289.2A patent/CN112855054A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09141205A (en) * | 1995-11-15 | 1997-06-03 | Koei Sangyo Kk | Device for driving vibrating screen |
| CN2463073Y (en) * | 2001-01-16 | 2001-12-05 | 朱满平 | Horizontal set multiple frequency screen mesh-oscillating screen |
| WO2004110589A1 (en) * | 2003-06-12 | 2004-12-23 | Axiom Process Limited | Screening apparatus |
| CN203155515U (en) * | 2013-03-22 | 2013-08-28 | 成都瑞途电子有限公司 | Sieve shaker with high shaking frequency |
| RU2015102492A (en) * | 2015-01-26 | 2016-08-10 | Станислав Васильевич Синев | METHOD FOR CLEANING A HORIZONTAL WELL FROM A DRILLED BREED |
| CN205117254U (en) * | 2015-08-27 | 2016-03-30 | 北京华油兴业能源技术有限公司 | Mud does not fall to ground integrated well drilling solid controlling system and ultrasonic vibration filter equipment thereof |
| CN214660026U (en) * | 2021-03-24 | 2021-11-09 | 西南石油大学 | Magnetic suspension driving rotary vibrating screen with net cleaning function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115007434A (en) * | 2022-07-16 | 2022-09-06 | 江河工程检验检测有限公司 | Magnetic suspension rotation type vibrations screening equipment |
| CN115007434B (en) * | 2022-07-16 | 2024-01-12 | 江河安澜工程咨询有限公司 | Magnetic suspension rotary vibration screening equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214660026U (en) | Magnetic suspension driving rotary vibrating screen with net cleaning function | |
| CN112855054A (en) | Magnetic suspension driving rotary vibrating screen with net cleaning function | |
| CA2664331C (en) | Magnetic screen clamping | |
| CA2664036A1 (en) | Composite screen with integral inflatable seal | |
| WO2008077152A1 (en) | Linear motors for shaker motion control | |
| CN111842123A (en) | Grit classified screening device for municipal works | |
| EA016036B1 (en) | Screen clamp | |
| CN110293053A (en) | A kind of double deck screen mesh screen sand equipment of civil engineering | |
| CN107051868A (en) | A kind of screen cloth is difficult blocked vibratory sieve mechanism | |
| CN105829714A (en) | Reciprocating compressor | |
| CN104889053A (en) | Mine screening device | |
| CN204769510U (en) | Screening equipment is used in mine | |
| CN216679045U (en) | Shale shaker for ore dressing | |
| CN215198146U (en) | Ventilation type anti-blocking vibrating screen | |
| CN210057663U (en) | Dust removal filter bag capable of cleaning dust | |
| CN208542543U (en) | A kind of open adjustable multi-stage sandstone screening plant | |
| CN215997404U (en) | Split type vibration exciter sleeve structure | |
| CN215235815U (en) | Pharmacy is with sieve that shakes soon | |
| CN214975719U (en) | Screen mesh mounting structure of vibrating screen | |
| CN220759968U (en) | Anti-material-sprinkling rotary vibration sieve | |
| CN108499254A (en) | A kind of cloth bag swing deashing device and its deduster using cloth bag swing deashing device | |
| CN215918183U (en) | Electromagnetic grading device for powder granularity | |
| CN215141962U (en) | Vibrating screen based on ultrasonic technology | |
| CN211637265U (en) | Multi-stage grain screening equipment | |
| CN219581040U (en) | High-efficient sintering deposit shale shaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |