CN105256638B - Efficient screening device for paper pulp suspension liquid - Google Patents
Efficient screening device for paper pulp suspension liquid Download PDFInfo
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- CN105256638B CN105256638B CN201510817251.3A CN201510817251A CN105256638B CN 105256638 B CN105256638 B CN 105256638B CN 201510817251 A CN201510817251 A CN 201510817251A CN 105256638 B CN105256638 B CN 105256638B
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Abstract
The invention discloses an efficient screening device for paper pulp suspension liquid and belongs to screening devices. The efficiency screening device structurally comprises a shell, an upper cover, a rotor, a screen cylinder, a transmission device, a motor and a base, wherein the lower side of the upper cover is provided with a cylindrical cavity, a dilution water pipe is arranged at the center of the cylindrical cavity, and a light residue pipe is arranged on the upper cover; the shell comprises an outer tube, an upper flange, a middle flange, a lower flange and a bottom plate; the lower flange, the bottom plate and the outer tube form a first cavity, and a first labyrinth plate and a second labyrinth plate are arranged in the first cavity; the lower flange, the middle flange and the inner side of the screen cylinder form a second cavity; the lower flange, the middle flange, the screen cylinder and the outer tube form a third cavity, and a third labyrinth plate is arranged in the third cavity; the middle flange, the upper cover and the outer tube form a fourth cavity; the rotor comprises a rotor tube, a plurality of rotor wings, a screw conveyor and a rotor sleeve. The efficient screening device has the advantages of lowering the influence of thickening effect on screening efficiency, obtaining uniform screen cut passing sped, improving the removal effect of impurities, especially sticky matter and the like.
Description
Technical field
The present invention relates to a kind of screening plant, especially a kind of impurity in paper making raw material are separated with good fiber quality
Pulp suspension high throughput screening devices.
Background technology
Existing screening plant cannot obtain 100% due to structure design imperfection and the effect of increased concentration of pulp sifting, screen slot
Effectively use, cause that production capacity is low, the big problem of power consumption.Simultaneously because slurry by the velocity perturbation of screen slot compared with
Greatly so that impurity is particularly the removing effect of sicker and substantially reduces.
The content of the invention
The technical assignment of the present invention is to provide a kind of pulp suspension high frequency zone for above-mentioned deficiency of the prior art
Device, the pulp suspension high throughput screening devices have substantially reduce impact of the effect of increased concentration to screening efficiency, while making screen slot
Obtain 100% effectively to use, and improve operation concentration, production capacity greatly improves, while obtaining homogeneous screen slot by speed
Degree, improves impurity the characteristics of be particularly the removing effect of sicker.
The technical solution adopted for the present invention to solve the technical problems is：It includes housing, upper lid, rotor, screen cylinder, transmission
Device, motor and base, described upper lid is arranged on the top of housing, and rotor, screen cylinder, actuating device are separately positioned on housing
Interior, motor is connected with actuating device, and motor and housing are separately positioned on base top；
Closed circular cylindrical cavity is provided with the downside of described upper lid, one is provided centrally with together in circular cylindrical cavity
The dilution water pipe of the heart, is provided with a light slag pipe on the upper lid on the outside of circular cylindrical cavity；
Described housing includes outer cylinder body, upper flange, middle flange, lower flange and base plate, and described upper flange is arranged outside
The upper outside of cylinder, and housing by upper flange with it is upper lid be connected, middle flange, lower flange and base plate are separately positioned on outer cylinder body
It is interior, and set gradually from top to bottom；Lower flange, base plate and outer cylinder body form the first cavity, are provided with into slurry on first cavity
Pipe and scum pipe, are provided with two maze boards, respectively the first maze board and the second maze board, the first labyrinth in the first cavity
Plate is fixed on base plate, and the second maze board is fixed on lower flange, and the first maze board is located at the outside of the second maze board, and first
Bottom of the top of maze board higher than the second maze board；Be provided with screen cylinder between described middle flange and lower flange, lower flange, in
Flange is collectively forming the second cavity with screen cylinder inner side；Lower flange, middle flange, screen cylinder and outer cylinder body are collectively forming the 3rd cavity, should
The 3rd maze board is vertically arranged with 3rd cavity, the 3rd maze board is the cylinder of inverted cone, and the bottom of the 3rd maze board is fixed
On lower flange, top forms an annular opening for communicating the 3rd maze board inner side, the 3rd described chamber with middle flange
Grout outlet is provided with body, between the outer cylinder body and the 3rd maze board on the downside of grout outlet baffle ring is provided with；Middle flange, upper lid and
Outer cylinder body is collectively forming the 4th cavity, and the 4th cavity is provided with a tail slurry pipe；
Described rotor includes rotor cylinder, some rotary blades, helix transporting device and rotor set, and some rotary blades pass through
Pole is connected with rotor cylinder, and described rotor cylinder is inverted cone, and rotary blade even circumferential is distributed in the outside of rotor cylinder
And the heart is coaxial therewith, described helix transporting device is a slurry propulsion that helical blade is welded with cylindrical entire body
Device, described helix transporting device is connected with the power transmission shaft of actuating device, and described rotor set is connected with power transmission shaft；Described turns
Auxiliary cylinder body is located in the second cavity, if the bottom of described rotor cylinder is provided with dry hole.
Described upper lid is a circular steel plate, and multiple apertures are provided with the outer circumference surface of upper lid, and upper lid is external with outer tube
The upper flange of side is bolted, and bolt is through the multiple apertures on upper lid.
The first described maze board is fixed on base plate by welding manner, and the second maze board is fixed on by welding manner
On lower flange.
The bottom of the 3rd maze board is fixed on lower flange by welding manner.
Described baffle ring is doughnut-shaped steel plate, and two ends are welded and fixed together respectively with outer cylinder body and the 3rd maze board.
Described base includes being bent into steel plate, housing backing plate, motor rack backing plate, base arm-tie and the hanger of U-shaped, steel plate
Bottom be provided with flange, the left upper portion of described steel plate is provided with housing backing plate, and right upper portion is provided with motor rack backing plate,
Installing hole is respectively arranged with motor rack backing plate and housing backing plate, housing is arranged on housing backing plate top, and described motor passes through
Motor rack is arranged on base, and motor rack is arranged on motor rack backing plate top, and the both ends of steel plate are respectively arranged with reinforcement, plus
The upper surface of strong muscle is concordant with the upper surface of steel plate, and that end both sides for installing motor rack in steel plate are provided with base with holes and draw
Plate；
Described motor rack includes riser, the framework soleplate of U-shaped and the frame arm-tie of U-shaped, and described framework soleplate is arranged
The bottom of riser, and between the two vertical welding together, is provided with multigroup motor installing hole on riser, the both sides of riser are arranged
There is frame arm-tie with holes, be connected by adjusting screw rod between frame arm-tie and base arm-tie, described framework soleplate is arranged on
On motor rack backing plate, and mutually fixed by bolt.
Gusset is provided between described flange and steel plate.
Symmetrically arranged peephole is provided with the two sides of described steel plate, described peephole is located at steel plate two sides
Medium position.
Pass through respectively between described reinforcement and steel plate, between base arm-tie and steel plate, between frame arm-tie and riser
Welding manner is fixed.
The present invention pulp suspension high throughput screening devices compared to the prior art, with beneficial effect following prominent：
Cover on conventional pressurized screen and made using end socket, and lid adopts circular steel plate on this, simple structure, it is to avoid buying end socket
The time is generated, the process-cycle is shortened, and cost is substantially reduced；Entering to starch side and three maze boards are set up in pulp side, making
Slurry is as one man flowed into from even circumferential, flowed out, and by the 3rd maze board of pulp side inverted cone, is made on screen cylinder surface selected
Slurry it is consistent by drag uniform；By the rotor cylinder of inverted cone, and it is the import of screening areas in rotor cylinder bottom
If side is provided with dry hole, inlet side will be recirculated to through the tail slurry of screening by helix transporting device, during due to addition in pulp
The concentration effect of generation, tail slurry concentration is higher than inlet side, and tail slurry is fully mixed with inlet side oleo stock by the stirring action of rotor
Close, make screening areas keep homogeneous screening concentration, screen again；Base is using the overall structure of steel plate bending, this knot
Structure welding capacity is few, and fabrication and processing is simple, and intensity is high, saves raw material, good looking appearance.
Description of the drawings
Accompanying drawing 1 is the main structure diagram of pulp suspension high throughput screening devices；
Accompanying drawing 2 is pulp-inlet pipe and outer cylinder body connection diagram；
Accompanying drawing 3 is grout outlet and outer cylinder body connection diagram；
Accompanying drawing 4 is rotor structure schematic diagram；
Accompanying drawing 5 is base axonometric chart；
Accompanying drawing 6 is motor rack axonometric chart；
Description of reference numerals：
1st, housing, 11, outer cylinder body, 12, upper flange, 13, middle flange, 14, lower flange, 15, base plate,
16, pulp-inlet pipe, the 17, first maze board, the 18, second maze board, the 19, the 3rd maze board, 110, grout outlet, 111, gear
Ring, 112, tail slurry pipe, 113, scum pipe, the 101, first cavity, the 102, second cavity, the 103, the 3rd cavity, the 104, the 4th cavity,
2nd, upper lid, 21, circular cylindrical cavity, 22, dilution water pipe, 23, light slag pipe,
3rd, rotor, 31, rotor cylinder, 32, rotary blade, 33, helix transporting device, 34, pole, 35, hole,
4th, screen cylinder,
5th, actuating device,
6th, motor,
7th, base, 71, steel plate, 711, flange, 72, housing backing plate, 73, motor rack backing plate, 74, base arm-tie, 75, strengthen
Muscle, 76, gusset, 77, peephole,
8th, motor rack, 81, riser, 82, framework soleplate, 83, frame arm-tie, 84, motor installing hole.
Specific embodiment
Say in detail below to the pulp suspension high throughput screening devices of 6 couples of present invention of accompanying drawing with reference to Figure of description 1
It is bright.
The pulp suspension high throughput screening devices of the present invention, its structure includes housing 1, upper lid 2, rotor 3, screen cylinder 4, transmission
Device 5, motor 6 and base 7, described upper lid 2 is arranged on the top of housing 1, and rotor 3, screen cylinder 4, actuating device 5 are respectively provided with
In housing 1, motor 6 is connected with actuating device 5, and motor 6 and housing 1 are separately positioned on the top of base 7；
The downside of described upper lid 2 is provided with closed circular cylindrical cavity 21, in being provided centrally with for circular cylindrical cavity 21
One concentric dilution water pipe 22, on the upper lid 2 in the outside of circular cylindrical cavity 21 a light slag pipe 23 is provided with, for discharging sieve
Internal light impurity；
Described housing 1 includes outer cylinder body 11, upper flange 12, middle flange 13, lower flange 14 and base plate 15, described upper method
Orchid 12 is arranged on the upper outsides of outer cylinder body 11, and housing 1 is connected by upper flange 11 with upper lid 2, middle flange 13, lower flange 14
It is separately positioned in outer cylinder body 11 with base plate 15, and sets gradually from top to bottom；Lower flange 14, base plate 15 and outer cylinder body 11 are formed
First cavity 101, is provided with pulp-inlet pipe 16 and scum pipe 113 on first cavity 101, slurry thence into sieve nest, first
Two maze boards, respectively the first maze board 17 and the second maze board 18 are provided with cavity 101, the first maze board 17 is fixed on
On base plate 15, the second maze board 18 is fixed on lower flange 14, and the first maze board 17 is located at the outside of the second maze board 18, and the
Bottom of the top of one maze board 17 higher than the second maze board 18；Screen cylinder is provided between described middle flange 13 and lower flange 14
4, lower flange 14, middle flange 13 are collectively forming the second cavity 102 with the inner side of screen cylinder 4, and second cavity 102 is the screening area of slurry
Domain；Lower flange 14, middle flange 13, screen cylinder 4 and outer cylinder body 11 are collectively forming the 3rd cavity 103, longitudinally set in the 3rd cavity 103
The 3rd maze board 19 is equipped with, the 3rd maze board 19 is the cylinder of inverted cone, and the bottom of the 3rd maze board 19 is fixed on lower flange 14
On, top forms an annular opening for communicating the inner side of the 3rd maze board 19, the 3rd described cavity 103 with middle flange 13
On be provided with grout outlet 110, through screening by the good slurry of screen cylinder 4 hence into next flow process, in the downside of grout outlet 110
Baffle ring 111 is provided between the maze board 19 of outer cylinder body 11 and the 3rd, the lower side space of baffle ring 11 is confined space；Middle flange 13,
Upper lid 2 and outer cylinder body 11 are collectively forming the 4th cavity 104, and the 4th cavity 104 is provided with a tail slurry pipe 112, for discharging Jing
The tail slurry of screening is crossed, thence into next section of screening installation；By entering to starch side and the first maze board 17, second is set up in pulp side
The maze board 19 of maze board 18 and the 3rd, makes slurry as one man flow into from even circumferential, flow out, and the 3rd labyrinth for passing through pulp side
Plate 19, on screen cylinder surface the consistent by drag uniform of fine purifiation slurry is made；
Described rotor 3 includes rotor cylinder 31, some rotary blades 32, helix transporting device 33 and rotor set, Ruo Ganxuan
Fin 32 is connected by pole 34 with rotor cylinder 31, and rotary blade 32 is made up of relatively thin lamellar abrasion-proof stainless steel, and described turns
Auxiliary cylinder body 31 is inverted cone, and the even circumferential of rotary blade 32 is distributed in the outside of rotor cylinder 31 and is coaxial therewith the heart, described spiral shell
Rotation conveyer device 33 is a slurry propeller that helical blade is welded with cylindrical entire body, for slurry is defeated downwards
Send, when rotor 3 is set to that dextrorotation is rotatable, it is right-hand screw, otherwise for left-hand screw；Described helix transporting device 33 and biography
The power transmission shaft of dynamic device 5 is connected, and described rotor set is connected with power transmission shaft；Described rotor cylinder 31 is located at the second cavity 102
It is interior, if the bottom of described rotor cylinder 31 is provided with dry hole 35；By helix transporting device 33 by through the tail slurry weight of screening
Inlet side is newly recycled to, the concentration effect produced during due to addition in pulp, tail slurry concentration is higher than inlet side, tail slurry and inlet side
Oleo stock is sufficiently mixed by the stirring action of rotor, is that screening areas keeps homogeneous screening concentration.Screen again.
Described upper lid 2 is a circular steel plate, multiple apertures is provided with the outer circumference surface of upper lid 2, for connecting with housing 1
Connect, upper lid 2 is bolted with the upper flange 12 in the outside of outer cylinder body 11, and bolt is through the multiple apertures on upper lid.
The first described maze board 17 is fixed on base plate 15 by welding manner, and the second maze board 18 passes through welding manner
It is fixed on lower flange 14.
The bottom of the 3rd maze board 19 is fixed on lower flange 14 by welding manner.
Described baffle ring 111 is doughnut-shaped steel plate, and two ends are weldingly fixed on one with the maze board 19 of outer cylinder body 11 and the 3rd respectively
Rise.
Described base 7 includes being bent into steel plate 71, housing backing plate 72, motor rack backing plate 73 and the base arm-tie 74 of U-shaped,
This is bent into the steel plate 71 of U-shaped, and this structure welding amount is few, and fabrication and processing is simple, and intensity is high, saves raw material, good looking appearance；
The bottom of steel plate 71 is provided with flange 711, and the left upper portion of described steel plate 71 is provided with housing backing plate 72, and right upper portion is arranged
There is motor rack backing plate 73, installing hole is respectively arranged with motor rack backing plate 73 and housing backing plate 72, housing 1 is arranged on housing backing plate
72 tops, described motor 6 is arranged on base 7 by motor rack 8, and motor rack 8 is arranged on the top of motor rack backing plate 73, steel plate
71 both ends are respectively arranged with reinforcement 75, and the upper surface of reinforcement 75 is concordant with the upper surface of steel plate 71, pacifies in steel plate 71
That end both sides of dress motor rack 8 are provided with base arm-tie 74 with holes；
Described motor rack 8 includes the framework soleplate 82 and frame arm-tie 83 of the riser 81, U-shaped of U-shaped, described frame ground
Plate 82 arranges the bottom of riser 81, and between the two vertical welding together, is provided with multigroup motor installing hole 84 on riser 81,
The both sides of riser 81 are provided with frame arm-tie 83 with holes, by adjusting screw rod phase between frame arm-tie 83 and base arm-tie 74
Even, described framework soleplate 82 is arranged on motor rack backing plate 73, and is mutually fixed by bolt.
Gusset 76 is provided between described flange 711 and steel plate 71.
Symmetrically arranged peephole 77 is provided with the two sides of described steel plate 71, described peephole 77 is located at steel plate 71
The medium position of two sides.
Between described reinforcement 75 and steel plate 71, between base arm-tie 74 and steel plate 71, frame arm-tie 83 and riser 81
Between fixed by welding manner respectively.
Slurry enters the first cavity 101 by pulp-inlet pipe 16, through the first maze board 17 and the second maze board 18
Be sufficiently mixed, from second cavity of inflow screening areas 102 of circumferencial direction uniformity.The rotary blade of rotor 3
32 rotations make positive pressure pulse and the underbalance pulse produced on the surface of screen cylinder 4, coordinate the pressure effect that pumping slurry is produced, in slurry
The seam by screen cylinder 4 or hole, consistent by the even circumferential of the 3rd maze board 19 into the 3rd cavity 103 under qualified fiber
Flow out from grout outlet 110.The negative pressure arteries and veins that the fiber and impurity on the surface of screen cylinder 4 are produced by rotary blade 32 is attached to not over screening
Punching cleaning.The slurry that screening cannot be passed through in slurry enters the 4th cavity 104, and a portion is filled through the helical feed of rotor
33 slurry inlets for returning to screen cylinder 4 are put, is mixed with oleo stock and participate in again screening.Unnecessary tail slurry is discharged by tail slurry pipe 112
Give next section of equipment to process.
By the maze board 19 of inverted cone the 3rd for arranging the cavity 103 of rotor cylinder 31 and the 3rd of inverted cone, make slurry first
First from the cone-shaped stream supply slurry for narrowing slowly, and slurry is discharged from slowly open cone-shaped runner.As a result, to sieve
Any position of drum all equably supplies slurry, and is all subject to identical to pass through resistance in any position slurry.In addition, in screen cylinder 4
The peristome of entrance face the second maze board 18 is installed, while making slurry homogeneous from the all-round direction of screen cylinder 4 inflow, pass through
The slurry of screen cylinder 4 also gathers the 3rd cavity 103 from all-round, and Jing grout outlets 110 flow out.Fail the slurry by screening in entrance side
Material, moves along screen cylinder 4 towards tail slurry end, and with the gradually accumulation of impurity in slurry, slurry concentration becomes big.Such case easily promotees
The surface of screen cylinder 4 is set to wear and tear.But because slurry is flowed in the cone-shaped stream for narrowing slowly, can be rapidly from tail slurry pipe
112 discharge, so as to reduce the abrasion of screen cylinder 4.Due to effect of increased concentration, the slurry of inlet location and the slurry of exit site are in concentration
Can be different with composition, the two can also produce difference by the performance of screen cylinder.For this, our rotor is additionally arranged helical feed dress
Put 33, make the slurry recirculation in tail slurry portion to inlet location so that the slurry properties in pulp screen screen cylinder, in pulp screen and
Any position is all homogeneous.
Illustrative embodiments listed above are only not to technical scheme described in the invention for understanding that the present invention is used
Restriction, about the those of ordinary skill in field, on the basis of technical scheme described in claim, various changes can also be made
Change or deform, the change or deformation of all equivalents all should be covered within the claims of the present invention.The present invention is not
Part is described in detail in detail, the known technology of those skilled in the art of the present technique is.
Claims (8)
1. pulp suspension high throughput screening devices, is characterized in that：Including housing, upper lid, rotor, screen cylinder, actuating device, motor and
Base, described upper lid is arranged on the top of housing, and rotor, screen cylinder, actuating device are separately positioned in housing, motor with transmission
Device is connected, and motor and housing are separately positioned on base top；
Be provided with closed circular cylindrical cavity on the downside of described upper lid, circular cylindrical cavity be provided centrally with one it is concentric
Dilution water pipe, is provided with a light slag pipe on the upper lid on the outside of circular cylindrical cavity；
Described housing includes outer cylinder body, upper flange, middle flange, lower flange and base plate, and described upper flange is arranged on outer cylinder body
Upper outside, and housing by upper flange with it is upper lid be connected, middle flange, lower flange and base plate are separately positioned in outer tube body,
And set gradually from top to bottom；Lower flange, base plate and outer cylinder body form the first cavity, be provided with first cavity pulp-inlet pipe and
Scum pipe, is provided with two maze boards, respectively the first maze board and the second maze board in the first cavity, and the first maze board is consolidated
It is scheduled on base plate, the second maze board is fixed on lower flange, the first maze board is located at the outside of the second maze board, and the first labyrinth
Bottom of the top of plate higher than the second maze board；Screen cylinder, lower flange, middle flange are provided between described middle flange and lower flange
The second cavity is collectively forming with screen cylinder inner side；Lower flange, middle flange, screen cylinder and outer cylinder body are collectively forming the 3rd cavity, and the 3rd
The 3rd maze board is vertically arranged with cavity, the 3rd maze board is the cylinder of inverted cone, and the bottom of the 3rd maze board is fixed on down
On flange, top forms an annular opening for communicating the 3rd maze board inner side with middle flange, on the 3rd described cavity
Grout outlet is provided with, between the outer cylinder body and the 3rd maze board on the downside of grout outlet baffle ring is provided with；Middle flange, upper lid and outer tube
Body is collectively forming the 4th cavity, and the 4th cavity is provided with a tail slurry pipe；
Described rotor includes rotor cylinder, some rotary blades, helix transporting device and rotor set, and some rotary blades pass through pole
Be connected with rotor cylinder, described rotor cylinder is inverted cone, rotary blade even circumferential be distributed in the outside of rotor cylinder and with
Its is concentric, and described helix transporting device is a slurry propeller that helical blade is welded with cylindrical entire body, institute
The helix transporting device stated is connected with the power transmission shaft of actuating device, and described rotor set is connected with power transmission shaft；Described rotor drum
Body is located in the second cavity, if the bottom of described rotor cylinder is provided with dry hole；
Described base includes being bent into steel plate, housing backing plate, motor rack backing plate, base arm-tie and the hanger of U-shaped, under steel plate
Portion is provided with flange, and the left upper portion of described steel plate is provided with housing backing plate, and right upper portion is provided with motor rack backing plate, motor
Installing hole is respectively arranged with frame backing plate and housing backing plate, housing is arranged on housing backing plate top, and described motor passes through motor
Frame is arranged on base, and motor rack is arranged on motor rack backing plate top, and the both ends of steel plate are respectively arranged with reinforcement, reinforcement
Upper surface it is concordant with the upper surface of steel plate, steel plate install motor rack that end both sides be provided with base arm-tie with holes；
Described motor rack includes riser, the framework soleplate of U-shaped and the frame arm-tie of U-shaped, and described framework soleplate is arranged on vertical
The bottom of plate, and between the two vertical welding together, is provided with multigroup motor installing hole on riser, the both sides of riser are provided with
Frame arm-tie with holes, is connected between frame arm-tie and base arm-tie by adjusting screw rod, and described framework soleplate is arranged on electricity
On frame backing plate, and mutually fixed by bolt.
2. pulp suspension high throughput screening devices according to claim 1, is characterized in that：Described upper lid is a circular steel
Plate, is provided with multiple apertures on the outer circumference surface of upper lid, upper lid is bolted with the upper flange on the outside of outer cylinder body, and bolt
Through the multiple apertures on upper lid.
3. pulp suspension high throughput screening devices according to claim 1, is characterized in that：The first described maze board passes through
Welding manner is fixed on base plate, and the second maze board is fixed on lower flange by welding manner.
4. pulp suspension high throughput screening devices according to claim 1, is characterized in that：The bottom of the 3rd maze board passes through
Welding manner is fixed on lower flange.
5. pulp suspension high throughput screening devices according to claim 1, is characterized in that：Described baffle ring is annular steel
Plate, two ends are welded and fixed together respectively with outer cylinder body and the 3rd maze board.
6. pulp suspension high throughput screening devices according to claim 1, is characterized in that：Between described flange and steel plate
It is provided with gusset.
7. pulp suspension high throughput screening devices according to claim 1, is characterized in that：On the two sides of described steel plate
Symmetrically arranged peephole is provided with, described peephole is located at the medium position of steel plate two sides.
8. pulp suspension high throughput screening devices according to claim 1, is characterized in that：Described reinforcement and steel plate it
Between, fixed by welding manner respectively between base arm-tie and steel plate, between frame arm-tie and riser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510817251.3A CN105256638B (en) | 2015-11-20 | 2015-11-20 | Efficient screening device for paper pulp suspension liquid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510817251.3A CN105256638B (en) | 2015-11-20 | 2015-11-20 | Efficient screening device for paper pulp suspension liquid |
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| CN105256638A CN105256638A (en) | 2016-01-20 |
| CN105256638B true CN105256638B (en) | 2017-05-17 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108468245B (en) * | 2018-05-30 | 2024-03-26 | 山东杰锋机械制造有限公司 | Outflow type low-pulse net front-flowing pressure screen |
| CN108411676B (en) * | 2018-05-30 | 2023-07-18 | 山东杰锋机械制造有限公司 | High-efficiency energy-saving pulp coarse screening system |
| CN108677583B (en) * | 2018-07-17 | 2023-09-05 | 玖龙纸业(重庆)有限公司 | Annular screen and application thereof in pressure screen |
| CN109629306A (en) * | 2019-01-13 | 2019-04-16 | 新乡市新平航空机械有限公司 | A kind of upflow pressure thickener |
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| CN105256638A (en) | 2016-01-20 |
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