CN105256638A - Efficient screening device for paper pulp suspension liquid - Google Patents
Efficient screening device for paper pulp suspension liquid Download PDFInfo
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- CN105256638A CN105256638A CN201510817251.3A CN201510817251A CN105256638A CN 105256638 A CN105256638 A CN 105256638A CN 201510817251 A CN201510817251 A CN 201510817251A CN 105256638 A CN105256638 A CN 105256638A
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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 pulp suspension high throughput screening devices that impurity in paper making raw material is separated with good fiber quality.
Background technology
Existing screening plant is due to the effect of increased concentration of structural design imperfection and pulp sifting, and sieve seam cannot obtain effective use of 100%, causes production capacity low, the problem that power consumption is large.Simultaneously because slurry is comparatively large by the velocity perturbation of sieve seam, the removing effect of impurity particularly sicker is reduced greatly.
Summary of the invention
Technical assignment of the present invention provides a kind of pulp suspension high throughput screening devices for above-mentioned deficiency of the prior art, this pulp suspension high throughput screening devices have greatly reduce effect of increased concentration on the impact of screening effeciency, make sieve stitch the effective use obtaining 100% simultaneously, and improve operation concentration, production capacity improves greatly, obtain homogeneous sieve seam Negotiation speed simultaneously, improve the feature of the impurity particularly removing effect of sicker.
The technical solution adopted for the present invention to solve the technical problems is: it comprises housing, upper cover, rotor, screen cylinder, transmission device, motor and base, described upper cover is arranged on the top of housing, rotor, screen cylinder, transmission device are separately positioned in housing, motor is connected with transmission device, and motor and housing are separately positioned on base top;
The downside of described upper cover is provided with airtight circular cylindrical cavity, is provided with a concentric dilution water pipe, covers and be provided with a light slag pipe on outside circular cylindrical cavity at the center of circular cylindrical cavity;
Described housing comprises outer cylinder body, upper flange, middle flange, lower flange and base plate, described upper flange is arranged on the upper outside of outer cylinder body, and housing is connected with upper cover by upper flange, middle flange, lower flange and base plate are separately positioned in outer cylinder body, and set gradually from top to bottom; Lower flange, base plate and outer cylinder body form the first cavity, this first cavity is provided with pulp-inlet pipe and scum pipe, two maze boards are provided with in the first cavity, be respectively the first maze board and the second maze board, first maze board is fixed on base plate, second maze board is fixed on lower flange, and the first maze board is positioned at the outside of the second maze board, and the top of the first maze board is higher than the bottom of the second maze board; Be provided with screen cylinder between described middle flange and lower flange, inside lower flange, middle flange and screen cylinder, jointly form the second cavity; Lower flange, middle flange, screen cylinder and outer cylinder body form the 3rd cavity jointly, the 3rd maze board is vertically arranged with in 3rd cavity, 3rd maze board is the cylindrical shell of back taper, the bottom of the 3rd maze board is fixed on lower flange, top and middle flange form the opening that makes the annular communicated inside the 3rd maze board, the 3rd described cavity is provided with grout outlet, the outer cylinder body on the downside of grout outlet and be provided with baffle ring between the 3rd maze board; Middle flange, upper cover and outer cylinder body form the 4th cavity jointly, and the 4th cavity is provided with a tail slurry pipe;
Described rotor comprises rotor cylindrical shell, some rotary blades, helix transporting device and rotor cover, some rotary blades are connected with rotor cylindrical shell by pole, described rotor cylindrical shell is back taper, rotary blade even circumferential be distributed in rotor cylindrical shell outside and with its concentric, described helix transporting device is a slurry propeller being welded with helical blade in cylindrical entire body, described helix transporting device is connected with the power transmission shaft of transmission device, and described rotor cover is connected with power transmission shaft; Described rotor drum body is positioned at the second cavity, and the bottom of described rotor cylindrical shell is provided with some holes.
Described upper cover is a circular steel plate, and the outer circumference surface of upper cover is provided with multiple aperture, and the upper flange outside upper cover and outer cylinder body is bolted, and bolt is through the multiple apertures above covered.
The first described maze board is fixed on base plate by welding manner, and the second maze board is fixed on lower flange by welding manner.
The bottom of the 3rd maze board is fixed on lower flange by welding manner.
Described baffle ring is doughnut-shaped steel plate, together with two ends are welded and fixed with the 3rd maze board with outer cylinder body respectively.
Described base comprises the steel plate being bent into U-shaped, housing backing plate, motor rack backing plate, base arm-tie and hanger, the bottom of steel plate is provided with flange, the left upper portion of described steel plate is provided with housing backing plate, right upper portion is provided with motor rack backing plate, motor rack backing plate and housing backing plate are respectively arranged with installing hole, housing is arranged on housing backing plate top, described motor is arranged on base by motor rack, motor rack is arranged on motor rack backing plate top, the both ends of steel plate are respectively arranged with reinforcement, the upper surface of reinforcement is concordant with the upper surface of steel plate, those end both sides of steel plate mounted motor frame are provided with base arm-tie with holes,
Described motor rack comprises the riser of U-shaped, the framework soleplate of U-shaped and frame arm-tie, described framework soleplate arranges the bottom of riser, and vertical welding is together between the two, riser is provided with many group motor installing holes, the both sides of riser are provided with frame arm-tie with holes, be connected by adjusting screw rod between frame arm-tie with base arm-tie, described framework soleplate is arranged on motor rack backing plate, and is fixed by bolt.
Gusset is provided with between described flange and steel plate.
The two sides of described steel plate have symmetrically arranged peephole, and described peephole is positioned at the medium position of steel plate two sides.
Fix respectively by welding manner between described reinforcement and steel plate, between base arm-tie and steel plate, between frame arm-tie and riser.
Pulp suspension high throughput screening devices of the present invention compared to the prior art, there is following outstanding beneficial effect: all adopt end socket to make at the pressurized screen upper cover of routine, and this upper cover adopts circular steel plate, structure is simple, avoid buying end socket and create the time, shorten the process-cycle, and cost reduces greatly; Entering to starch side and three maze boards are set up in pulp side, slurry is as one man being flowed into from even circumferential, flows out, and by the 3rd maze board of pulp side back taper, making the consistent by drag uniform of selected slurry on screen cylinder surface; By the rotor cylindrical shell of back taper, and have some holes at the inlet side of rotor cylindrical shell bottom and screening areas, by helix transporting device, the tail slurry through screening is circulated to inlet side again, due to the concentrated effect produced during addition in pulp, tail slurry concentration is higher than inlet side, tail slurry fully mixes with the stirring action of inlet side magma by rotor, and the screening concentration making screening areas keep homogeneous, screens again; Base is the overall structure adopting steel plate bending, and this structure welding amount is few, and make processing simple, intensity is high, saves raw material, good looking appearance.
Accompanying drawing explanation
Accompanying drawing 1 is the main TV structure schematic 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 diagrames;
Accompanying drawing 5 is base stereograms;
Accompanying drawing 6 is motor rack stereograms;
Description of reference numerals:
1, housing, 11, outer cylinder body, 12, upper flange, 13, middle flange, 14, lower flange, 15, base plate, 16, pulp-inlet pipe, 17, the first maze board, the 18, second maze board, the 19, the 3rd maze board, 110, grout outlet, 111, baffle ring, 112, tail slurry pipe, 113, scum pipe, the 101, first cavity, the 102, second cavity, 103, the 3rd cavity, the 104, the 4th cavity
2, upper cover, 21, circular cylindrical cavity, 22, dilution water pipe, 23, light slag pipe,
3, rotor, 31, rotor cylindrical shell, 32, rotary blade, 33, helix transporting device, 34, pole, 35, hole,
4, screen cylinder,
5, transmission device,
6, motor,
7, base, 71, steel plate, 711, flange, 72, housing backing plate, 73, motor rack backing plate, 74, base arm-tie, 75, reinforcement, 76, gusset, 77, peephole,
8, motor rack, 81, riser, 82, framework soleplate, 83, frame arm-tie, 84, motor installing hole, 85, adjustment screw rod.
Detailed description of the invention
With reference to Figure of description 1 to accompanying drawing 6, pulp suspension high throughput screening devices of the present invention is described in detail below.
Pulp suspension high throughput screening devices of the present invention, its structure comprises housing 1, upper cover 2, rotor 3, screen cylinder 4, transmission device 5, motor 6 and base 7, described upper cover 2 is arranged on the top of housing 1, rotor 3, screen cylinder 4, transmission device 5 are separately positioned in housing 1, motor 6 is connected with transmission device 5, and motor 6 and housing 1 are separately positioned on base 7 top;
The downside of described upper cover 2 is provided with airtight circular cylindrical cavity 21, being provided with a concentric dilution water pipe 22, the upper cover 2 outside circular cylindrical cavity 21 being provided with a light slag pipe 23, for discharging the light impurity in sieve nest at the center of circular cylindrical cavity 21;
Described housing 1 comprises outer cylinder body 11, upper flange 12, middle flange 13, lower flange 14 and base plate 15, described upper flange 12 is arranged on the upper outside of outer cylinder body 11, and housing 1 is connected with upper cover 2 by upper flange 11, middle flange 13, lower flange 14 and base plate 15 are separately positioned in outer cylinder body 11, and set gradually from top to bottom, lower flange 14, base plate 15 and outer cylinder body 11 form the first cavity 101, this first cavity 101 is provided with pulp-inlet pipe 16 and scum pipe 113, slurry enters sieve nest since then, two maze boards are provided with in the first cavity 101, be respectively the first maze board 17 and the second maze board 18, first maze board 17 is fixed on base plate 15, second maze board 18 is fixed on lower flange 14, first maze board 17 is positioned at the outside of the second maze board 18, and the top of the first maze board 17 is higher than the bottom of the second maze board 18, be provided with screen cylinder 4 between described middle flange 13 and lower flange 14, jointly form the second cavity 102 inside lower flange 14, middle flange 13 and screen cylinder 4, this second cavity 102 is the screening areas of slurry, lower flange 14, middle flange 13, screen cylinder 4 and outer cylinder body 11 form the 3rd cavity 103 jointly, the 3rd maze board 19 is vertically arranged with in 3rd cavity 103, 3rd maze board 19 is the cylindrical shell of back taper, the bottom of the 3rd maze board 19 is fixed on lower flange 14, top and middle flange 13 form the opening that makes the annular communicated inside the 3rd maze board 19, the 3rd described cavity 103 is provided with grout outlet 110, next flow process is entered thus by the good slurry of screen cylinder 4 through screening, outer cylinder body 11 on the downside of grout outlet 110 and be provided with baffle ring 111 between the 3rd maze board 19, the lower side space of baffle ring 11 is confined space, middle flange 13, upper cover 2 and outer cylinder body 11 jointly form the 4th cavity the 104, four cavity 104 and are provided with a tail slurry pipe 112, are used for discharging the tail slurry through screening, enter next section of screening installation since then, by entering to starch side and the first maze board 17, second maze board 18 and the 3rd maze board 19 are set up in pulp side, slurry is as one man flowed into from even circumferential, flows out, and pass through the 3rd maze board 19 of pulp side, make the consistent by drag uniform of fine purifiation slurry on screen cylinder surface,
Described rotor 3 comprises rotor cylindrical shell 31, some rotary blades 32, helix transporting device 33 and rotor cover, some rotary blades 31 are connected with rotor cylindrical shell 31 by pole 34, rotary blade 31 is that thinner sheet abrasion-proof stainless steel is made, described rotor cylindrical shell 31 is back taper, rotary blade 32 even circumferential be distributed in rotor cylindrical shell 31 outside and with its concentric, described helix transporting device 33 is the slurry propellers being welded with helical blade in cylindrical entire body, slurry is used for carry downwards, when rotor 3, to be set to dextrorotation rotatable, it is right-hand screw, otherwise be left-hand screw, described helix transporting device 33 is connected with the power transmission shaft of transmission device 5, and described rotor cover is connected with power transmission shaft, described rotor cylindrical shell 31 is positioned at the second cavity 102, and the bottom of described rotor cylindrical shell 31 is provided with some holes 35, by helix transporting device 33, the tail slurry through screening is circulated to inlet side again, due to the concentrated effect produced during addition in pulp, tail slurry concentration is higher than inlet side, and tail slurry fully mixes with the stirring action of inlet side magma by rotor, is the screening concentration that screening areas keeps homogeneous.Again screen.
Described upper cover 2 is a circular steel plate, and the outer circumference surface of upper cover 2 is provided with multiple aperture, and for being connected with housing 1, upper cover 2 is bolted with the upper flange 12 outside outer cylinder body 11, and bolt is through the multiple apertures above covered.
The first described maze board 17 is fixed on base plate 15 by welding manner, and the second maze board 18 is fixed on lower flange 14 by welding manner.
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, together with two ends are welded and fixed with the 3rd maze board 19 with outer cylinder body 11 respectively.
Described base 7 comprises the steel plate 71, housing backing plate 72, motor rack backing plate 73 and the base arm-tie 74 that are bent into U-shaped, and this is bent into the steel plate 71 of U-shaped, and this structure welding amount is few, and make processing simple, intensity is high, saves raw material, good looking appearance, the bottom of steel plate 71 is provided with flange 711, the left upper portion of described steel plate 71 is provided with housing backing plate 72, right upper portion is provided with motor rack backing plate 73, motor rack backing plate 73 and housing backing plate 72 are respectively arranged with installing hole, housing 1 is arranged on housing backing plate 72 top, described motor 6 is arranged on base 7 by motor rack 8, motor rack 8 is arranged on motor rack backing plate 73 top, the both ends of steel plate 71 are respectively arranged with reinforcement 75, the upper surface of reinforcement 75 is concordant with the upper surface of steel plate 71, those end both sides of steel plate 71 mounted motor frame 8 are provided with base arm-tie 74 with holes,
Described motor rack 8 comprises the riser 81 of U-shaped, the framework soleplate 82 of U-shaped and frame arm-tie 83, described framework soleplate 82 arranges the bottom of riser 81, and vertical welding is together between the two, riser 81 is provided with many group motor installing holes 84, the both sides of riser 81 are provided with frame arm-tie 83 with holes, be connected by adjusting screw rod 85 between frame arm-tie 83 with base arm-tie 74, described framework soleplate 82 is arranged on motor rack backing plate 73, and is fixed by bolt.
Gusset 76 is provided with between described flange 711 and steel plate 71.
The two sides of described steel plate 71 have symmetrically arranged peephole 77, and described peephole 77 is positioned at the medium position of steel plate 71 two sides.
Between described reinforcement 75 and steel plate 71, fix respectively by welding manner between base arm-tie 74 and steel plate 71, between frame arm-tie 83 and riser 81.
Slurry enters the first cavity 101 by pulp-inlet pipe 16, through the abundant mixing of the first maze board 17 and the second maze board 18, from inflow screening areas second cavity 102 of circumferencial direction uniformity.The rotary blade 32 of rotor 3 rotates the positive pressure pulse and underbalance pulse that make to produce on screen cylinder 4 surface, coordinate the pressure effect that pumping slurry produces, by the seam of screen cylinder 4 or hole under fiber qualified in slurry, enter the 3rd cavity 103, by consistent the flowing out from grout outlet 110 of the 3rd maze board 19 even circumferential.Be attached to the fiber on screen cylinder 4 surface by screening and impurity is cleaned by the underbalance pulse that rotary blade 32 produces.Cannot enter the 4th cavity 104 by the slurry of screening in slurry, wherein a part of helix transporting device 33 through rotor turns back to the slurry inlet of screen cylinder 4, mixes again participate in screening with magma.Unnecessary tail slurry is discharged by tail slurry pipe 112 and is given next section of device processes.
By back taper the 3rd maze board 19 of the rotor cylindrical shell 31 and the 3rd cavity 103 that arrange back taper, make slurry first from the cone-shaped stream supply slurry slowly narrowed, discharge slurry from slowly open cone-shaped runner again.Its result, supplies slurry all equably to any position of screen cylinder, and is all subject to identical passing through resistance at any position slurry.In addition, the second maze board 18 is installed in the opening portion of the entrance face of screen cylinder 4, makes slurry from while the homogeneous inflow in all-round direction of screen cylinder 4, also gather the 3rd cavity 103 from all-round by the slurry of screen cylinder 4, flow out through grout outlet 110.At entrance side not by the slurry of screening, move along screen cylinder 4 towards tail slurry end, along with the accumulation gradually of impurity in slurry, slurry concentration becomes large.This situation easily impels screen cylinder 4 surface to wear and tear.But because slurry flows in the cone-shaped stream slowly narrowed, can discharge from tail slurry pipe 112 rapidly, thus reduce the wearing and tearing of screen cylinder 4.Due to effect of increased concentration, the slurry of inlet location can be different in concentration with composition with the slurry at outlet position, and the two performance by screen cylinder also can produce difference.Helix transporting device 33 set up by our rotor for this reason, and making the slurry recirculation in tail slurry portion to inlet location, thus make the slurry properties in pulp screen screen cylinder, is all homogeneous at pulp screen and any position.
Embodiment cited is above only for understanding the present invention's; it is not the restriction to technical scheme described in the invention; the those of ordinary skill of related fields; on the basis of technical scheme described in claim; can also make multiple change or distortion, all equivalent changes or distortion all should be encompassed within claims of the present invention.The present invention does not describe part in detail, is the known technology of those skilled in the art of the present technique.
Claims (9)
1. pulp suspension high throughput screening devices, it is characterized in that: comprise housing, upper cover, rotor, screen cylinder, transmission device, motor and base, described upper cover is arranged on the top of housing, rotor, screen cylinder, transmission device are separately positioned in housing, motor is connected with transmission device, and motor and housing are separately positioned on base top;
The downside of described upper cover is provided with airtight circular cylindrical cavity, is provided with a concentric dilution water pipe, covers and be provided with a light slag pipe on outside circular cylindrical cavity at the center of circular cylindrical cavity;
Described housing comprises outer cylinder body, upper flange, middle flange, lower flange and base plate, described upper flange is arranged on the upper outside of outer cylinder body, and housing is connected with upper cover by upper flange, middle flange, lower flange and base plate are separately positioned in outer cylinder body, and set gradually from top to bottom; Lower flange, base plate and outer cylinder body form the first cavity, this first cavity is provided with pulp-inlet pipe and scum pipe, two maze boards are provided with in the first cavity, be respectively the first maze board and the second maze board, first maze board is fixed on base plate, second maze board is fixed on lower flange, and the first maze board is positioned at the outside of the second maze board, and the top of the first maze board is higher than the bottom of the second maze board; Be provided with screen cylinder between described middle flange and lower flange, inside lower flange, middle flange and screen cylinder, jointly form the second cavity; Lower flange, middle flange, screen cylinder and outer cylinder body form the 3rd cavity jointly, the 3rd maze board is vertically arranged with in 3rd cavity, 3rd maze board is the cylindrical shell of back taper, the bottom of the 3rd maze board is fixed on lower flange, top and middle flange form the opening that makes the annular communicated inside the 3rd maze board, the 3rd described cavity is provided with grout outlet, the outer cylinder body on the downside of grout outlet and be provided with baffle ring between the 3rd maze board; Middle flange, upper cover and outer cylinder body form the 4th cavity jointly, and the 4th cavity is provided with a tail slurry pipe;
Described rotor comprises rotor cylindrical shell, some rotary blades, helix transporting device and rotor cover, some rotary blades are connected with rotor cylindrical shell by pole, described rotor cylindrical shell is back taper, rotary blade even circumferential be distributed in rotor cylindrical shell outside and with its concentric, described helix transporting device is a slurry propeller being welded with helical blade in cylindrical entire body, described helix transporting device is connected with the power transmission shaft of transmission device, and described rotor cover is connected with power transmission shaft; Described rotor drum body is positioned at the second cavity, and the bottom of described rotor cylindrical shell is provided with some holes.
2. pulp suspension high throughput screening devices according to claim 1, it is characterized in that: described upper cover is a circular steel plate, the outer circumference surface of upper cover is provided with multiple aperture, and the upper flange outside upper cover and outer cylinder body is bolted, and bolt is through the multiple apertures above covered.
3. pulp suspension high throughput screening devices according to claim 1, is characterized in that: the first described maze board is fixed on base plate by welding manner, 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 is fixed on lower flange by welding manner.
5. pulp suspension high throughput screening devices according to claim 1, is characterized in that: described baffle ring is doughnut-shaped steel plate, together with two ends are welded and fixed with the 3rd maze board with outer cylinder body respectively.
6. pulp suspension high throughput screening devices according to claim 1, it is characterized in that: described base comprises the steel plate being bent into U-shaped, housing backing plate, motor rack backing plate, base arm-tie and hanger, the bottom of steel plate is provided with flange, the left upper portion of described steel plate is provided with housing backing plate, right upper portion is provided with motor rack backing plate, motor rack backing plate and housing backing plate are respectively arranged with installing hole, housing is arranged on housing backing plate top, described motor is arranged on base by motor rack, motor rack is arranged on motor rack backing plate top, the both ends of steel plate are respectively arranged with reinforcement, the upper surface of reinforcement is concordant with the upper surface of steel plate, those end both sides of steel plate mounted motor frame are provided with base arm-tie with holes,
Described motor rack comprises the riser of U-shaped, the framework soleplate of U-shaped and frame arm-tie, described framework soleplate arranges the bottom of riser, and vertical welding is together between the two, riser is provided with many group motor installing holes, the both sides of riser are provided with frame arm-tie with holes, be connected by adjusting screw rod between frame arm-tie with base arm-tie, described framework soleplate is arranged on motor rack backing plate, and is fixed by bolt.
7. pulp suspension high throughput screening devices according to claim 1, is characterized in that: be provided with gusset between described flange and steel plate.
8. pulp suspension high throughput screening devices according to claim 1, it is characterized in that: the two sides of described steel plate have symmetrically arranged peephole, described peephole is positioned at the medium position of steel plate two sides.
9. pulp suspension high throughput screening devices according to claim 1, is characterized in that: fix respectively by welding manner between described reinforcement and steel plate, 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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|---|---|---|---|
| CN201510817251.3A CN105256638B (en) | 2015-11-20 | 2015-11-20 | Efficient screening device for paper pulp suspension liquid |
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| CN105256638A true CN105256638A (en) | 2016-01-20 |
| CN105256638B CN105256638B (en) | 2017-05-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108411676A (en) * | 2018-05-30 | 2018-08-17 | 山东杰锋机械制造有限公司 | Energy-efficient paper pulp coarse sizing system |
| CN108468245A (en) * | 2018-05-30 | 2018-08-31 | 山东杰锋机械制造有限公司 | Pressurized screen is streamed before a kind of low pulse mesh of outer-flowing type |
| CN108677583A (en) * | 2018-07-17 | 2018-10-19 | 玖龙纸业(重庆)有限公司 | Annular screen and its application in pressurized 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411676A (en) * | 2018-05-30 | 2018-08-17 | 山东杰锋机械制造有限公司 | Energy-efficient paper pulp coarse sizing system |
| CN108468245A (en) * | 2018-05-30 | 2018-08-31 | 山东杰锋机械制造有限公司 | Pressurized screen is streamed before a kind of low pulse mesh of outer-flowing type |
| 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 |
| 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 |
| CN108677583A (en) * | 2018-07-17 | 2018-10-19 | 玖龙纸业(重庆)有限公司 | Annular screen and its application in pressurized screen |
| 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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