CN208250814U - Pressurized screen is streamed before a kind of low pulse mesh of outer-flowing type - Google Patents
Pressurized screen is streamed before a kind of low pulse mesh of outer-flowing type Download PDFInfo
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- CN208250814U CN208250814U CN201820827739.3U CN201820827739U CN208250814U CN 208250814 U CN208250814 U CN 208250814U CN 201820827739 U CN201820827739 U CN 201820827739U CN 208250814 U CN208250814 U CN 208250814U
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Abstract
The utility model discloses stream pressurized screen before a kind of low pulse mesh of outer-flowing type, belong to pressurized screen, its structure includes upper cover, shell, screen cylinder, rotor, bottom plate, transmission shaft, pedestal and transmission shaft driving mechanism, inlet pipe is provided on shell, grout outlet and scum pipe, the lower part of shell is arranged in scum pipe, grout outlet is located on the shell of rotor lower part, rotor includes rotary blade, rotary blade strut, rotor cone cylinder, support plate, rotor set and rotor cover board, support plate is located at the outside of rotor set, rotor cone cylinder is provided on the outside of support plate, multiple rotary blade struts are provided on the outside of rotor cone cylinder, a rotary blade is separately installed on each rotary blade strut, the rotation outer diameter and rotor that multiple rotary blades are formed cover female coaxial, the top of rotor cone cylinder is arranged in rotor cover board, rotor set is connected with transmission shaft.The utility model has grout outlet far from the rotor zone of action, so that slurry pulse is low, surfs the Internet quantitative stable, the features such as capable of using in paper machine high-speed cruising.
Description
Technical field
The utility model relates to a kind of pressurized screen, pressurized screen is streamed before the low pulse mesh of especially a kind of outer-flowing type.
Background technique
It is mostly interior flowing pressure sieve and outflow pressurized screen that pressurized screen is streamed before the net of pulping and paper-making, however interior flowing pressure sieve is deposited
In a biggish structure problem, rotor is top cantilever arm formula, and tilt phenomenon often occurs after a period of use in rotor, still
Rotor and screen cylinder clearance requirement very little damage screen cylinder with screen cylinder friction when this results in rotor tilt.Pressurized screen outflow due to going out
Mouth is starched close to rotor, biggish slurry pulsation is easy to produce, quantitatively has an adverse effect to paper machine, hold in paper machine high-speed cruising
Easily broken paper.
Utility model content
The technical assignment of the utility model is to provide a kind of outer-flowing type low pulse mesh in view of the deficiency of the prior art
Preceding streaming pressurized screen, streaming pressurized screen has by rationally being set to shell and rotor before a kind of low pulse mesh of the outer-flowing type
Meter, so that grout outlet far from the rotor zone of action, so that slurry pulse is low, is surfed the Internet quantitative stable, it can be in paper machine high-speed cruising
When the characteristics of using.
The technical scheme adopted by the utility model to solve the technical problem is as follows: it include upper cover, shell, screen cylinder, rotor,
The top of shell is arranged in bottom plate, transmission shaft, pedestal and transmission shaft driving mechanism, the upper cover, and shell is arranged in bottom plate
Lower part, rotor, screen cylinder and transmission shaft are separately positioned in shell, and screen cylinder is located on the outside of rotor, and transmission shaft is located at rotor lower part, bottom
Plate is located at pedestal top, and the transmission shaft driving mechanism is located on pedestal and is connected with transmission shaft, is arranged on the shell
There are inlet pipe, grout outlet and scum pipe, the top of shell is arranged in the inlet pipe, and the lower part of shell is arranged in scum pipe,
The grout outlet is located on the shell of rotor lower part, and the rotor includes rotary blade, rotary blade strut, rotor cone cylinder, branch
Fagging, rotor set and rotor cover board, the support plate are located at the outside of rotor set, and rotor cone is provided on the outside of support plate
Tin, multiple rotary blade struts are provided on the outside of rotor cone cylinder, a rotary blade is separately installed on each rotary blade strut, it is more
The rotation outer diameter and rotor that a rotary blade is formed cover female coaxial, and the top of rotor cone cylinder, institute is arranged in the rotor cover board
The rotor set stated is connected with transmission shaft.
The rotary blade includes plane, the first arc surface, the second arc surface and third arc surface, the plane setting
In inside, on the outside, the both ends of the plane are distinguished for first arc surface, the second arc surface and the setting of third arc surface
It is connected with the first arc surface and third arc surface, the second arc surface is provided between the first arc surface and third arc surface.
The rotary blade strut is cylindrical structure.
The top of the support plate is provided with reinforcing rib, and reinforcing rib is connected with rotor cone cylinder and rotor set respectively.
Multiple circular gas vents are provided in the rotor cone cylinder of the support plate lower part.
The shell includes cylindrical tube, conical shell, inner cylinder, middle ring, hang plate, shell upper flange, method in shell
Blue and shell lower flange, the conical shell are arranged in cylindrical tube, in the cylindrical tube above bottom and grout outlet
Wall is connected, and middle ring is provided between the conical shell and cylindrical tube, between the lower part and bottom plate of the conical shell
It is provided with inner cylinder, hang plate is provided between the periphery and cylindrical tube of inner cylinder, the shell upper flange is arranged in cylindrical drum
The top of body, cylindrical tube are connected by shell upper flange with upper cover, and the upper of conical shell is arranged in flange in the shell
Portion, for conical shell by being connected at the top of flange in shell and screen cylinder, the top of inner cylinder, inner cylinder is arranged in the shell lower flange
It is connected by shell lower flange with screen cylinder bottom, the scum pipe is connected with inner cylinder.
The upper surface of the conical shell is higher than the lower surface of inlet pipe.
The transmission shaft driving mechanism includes motor, motor rack, small pulley, V-belt and big belt wheel, the motor
It is arranged on motor rack, motor rack is set on the base, and small pulley is provided on the motor shaft of the motor, and small pulley passes through
V-belt is connected with big belt wheel, and the big belt wheel is arranged on transmission shaft.
The upper cover is made of the end socket and upper cover flange of ellipse, and upper cover flange is arranged on the outside of end socket, ellipse
Circular end socket center is equipped with a concentric exhaust pipe.
Pressurized screen is streamed compared to the prior art before a kind of low pulse mesh of outer-flowing type of the utility model, is had following prominent
The utility model has the advantages that by being rationally designed to shell and rotor, can be lower so that grout outlet is far from the rotor zone of action
Good cleaning effect is kept under speed, slurry pulse is low, surfs the Internet quantitative stable, can use in paper machine high-speed cruising；
The rotary blade of rotor uses low Pulse Design, and pulse is small, and effect is soft, and rotary blade strut uses cylindrical structure,
Avoid the slurry group in slurry on rotary blade strut.The rotor cone cylinder structure of taper is conducive to accelerate rotor bottom region
Deslagging speed, while keeping the top-down pressure of screen cylinder balanced, improve screening quality and production capacity.Rotor cover board bolt
It links together with cone cylinder top, internal rotor is formed into a closed area, slurry is avoided to deposit formation slurry cake here.
By the way that the rotor cone cylinder of taper and the third cavity of back taper is arranged, make slurry first from the cone-shaped to narrow slowly
Flow path supplies slurry, and slurry is discharged from slowly open cone-shaped runner.As a result, to all impartial low confession in any position of screen frame
All be passed through resistance by identical to slurry, and in any position slurry.In addition, the entrance in screen cylinder is set as flow structure,
That is the upper surface of the conical shell lower surface that is higher than inlet pipe, while making slurry uniform from the complete cycle direction of screen cylinder inflow, leads to
The slurry for crossing screen cylinder also gathers third cavity from complete cycle, flows out through grout outlet.Fail the slurry by screening, edge in entrance side
Screen cylinder is mobile towards scum pipe, and with the gradually accumulation of impurity in slurry, slurry concentration becomes larger.Such case is easy to promote screen cylinder
It wears on surface.But since slurry is flowed in the cone-shaped flow path to narrow slowly, can be discharged from scum pipe side rapidly,
To reduce the abrasion of screen cylinder.
Detailed description of the invention
Attached drawing 1 is the front sectional view that pressurized screen is streamed before a kind of low pulse mesh of outer-flowing type；
Attached drawing 2 is the perspective view of rotor；
Attached drawing 3 is the main view of rotor；
Attached drawing 4 is the top view of rotor；
Attached drawing 5 is the cross-sectional view of rotor；
Attached drawing 6 is the structural schematic diagram of scum pipe and grout outlet；
Attached drawing 7 is the structural schematic diagram of shell；
Description of symbols: 1, upper cover, 101, end socket, 102, upper cover flange, 103, exhaust pipe, 2, shell, 201, cylinder
Cylinder, 202, conical shell, 203, inner cylinder, 204, middle ring, 205, hang plate, 206, shell upper flange, 207, flange in shell,
208, shell lower flange, 3, screen cylinder, 4, rotor, 401, rotary blade, 4011, plane, the 4012, first arc surface, the 4013, second circle
Cambered surface, 4014, third arc surface, 402, rotary blade strut, 403, rotor cone cylinder, 404, support plate, 405, rotor set, 406, turn
Sub- cover board, 407, reinforcing rib, 408, gas vent, 5, bottom plate, 6, transmission shaft, 7, pedestal, 8, transmission shaft driving mechanism, 801, electricity
Machine, 802, motor rack, 803, small pulley, 804, V-belt, 805, big belt wheel, 9, inlet pipe, 10, grout outlet, 11, scum pipe.
Specific embodiment
Streaming pressurized screen before a kind of low pulse mesh of outer-flowing type of the utility model is made referring to Figure of description 1 to attached drawing 7
It is explained in detail below.
Pressurized screen is streamed before a kind of low pulse mesh of outer-flowing type of the utility model, structure includes upper cover 1, shell 2, screen cylinder
3, the top of shell 2, bottom is arranged in rotor 4, bottom plate 5, transmission shaft 6, pedestal 7 and transmission shaft driving mechanism 8, the upper cover 1
The lower part of shell 2 is arranged in plate 5, and rotor 4, screen cylinder 3 and transmission shaft 6 are separately positioned in shell 2, and screen cylinder 3 is located at outside rotor 4
Side, transmission shaft 6 are located at 4 lower part of rotor, and bottom plate 5 is located at 7 top of pedestal, the transmission shaft driving mechanism 8 be located on pedestal 7 and
It is connected with transmission shaft 6, inlet pipe 9, grout outlet 10 and scum pipe 11 is provided on the shell 2, the inlet pipe 9 is arranged
On the top of shell 2, the lower part of shell 2 is arranged in scum pipe 11, and the grout outlet 10 is located on the shell 2 of 4 lower part of rotor,
Grout outlet 10 is arranged far from the bottom of screening areas, can reduce the influence that rotor 4 generates pulse pair pulp；The rotor
4 include rotary blade 401, rotary blade strut 402, rotor cone cylinder 403, support plate 404, rotor set 405 and rotor cover board 406, institute
The support plate 404 stated is located at the outside of rotor set 405, and the outside of support plate 404 is provided with rotor cone cylinder 403, rotor cone cylinder 403
Outside be welded with multiple rotary blade struts 402, a rotary blade 401 is separately installed on each rotary blade strut 402, it is multiple
The rotation outer diameter and rotor that rotary blade 401 is formed cover 405 female coaxials, and rotary blade 401 uses low Pulse Design, and pulse is small, make
The top of rotor cone cylinder 403 is set with soft, described rotor cover board 406, a closed area will be formed inside rotor 4,
Slurry is avoided to deposit formation slurry cake here, the rotor set 405 is connected with transmission shaft 6.Rotor cone cylinder 403 uses taper knot
Structure is conducive to the deslagging speed for accelerating 4 bottom section of rotor, while keeping the top-down pressure of screen cylinder 3 balanced, improves screening
Quality and production capacity.
The rotary blade 401 includes plane 4011, the first arc surface 4012, the second arc surface 4013 and third arc surface
4014, the plane 4011 is arranged in inside, first arc surface 4012, the second arc surface 4013 and third arc surface
On the outside, the both ends of the plane 4011 are connected with the first arc surface 4012 and third arc surface 4014 respectively for 4014 settings,
The second arc surface 4013 is provided between first arc surface 4012 and third arc surface 4014.The front side of rotary blade 401 is using the
One arc surface, 4012 small arc-shaped, the second arc surface 4013 and third arc surface 4014 are connected to using biggish two circular arcs are tangent
Together.
The rotary blade strut 402 is cylindrical structure.Avoid the slurry group in slurry wrapped around rotary blade strut 402
On.
The top of the support plate 404 is provided with reinforcing rib 407, reinforcing rib 407 respectively with rotor cone cylinder 403 and rotor
Set 405 is connected.
Multiple circular gas vents 408 are provided in the rotor cone cylinder 403 of 404 lower part of support plate.For being discharged
The air and light impurity of 4 bottom of rotor.
The shell 2 includes cylindrical tube 201, conical shell 202, inner cylinder 203, middle ring 204, hang plate 205, shell
Flange 207 and shell lower flange 208 in upper flange 206, shell, the conical shell 202 are arranged in cylindrical tube 201,
Its bottom is connected with 201 inner wall of cylindrical tube of 10 top of grout outlet, between the conical shell 202 and cylindrical tube 201
Be provided with middle ring 204, be provided with inner cylinder 203 between the lower part and bottom plate 5 of the conical shell 202, the periphery of inner cylinder 203 with
Hang plate 205 is provided between cylindrical tube 201, the top of cylindrical tube 201 is arranged in the shell upper flange 206, circle
Column casing body 201 is connected by shell upper flange 206 with upper cover 1, and conical shell 202 is arranged in flange 207 in the shell
Top, conical shell 202 at the top of flange 207 in shell and screen cylinder 3 by being connected, including the shell lower flange 208 is arranged
The top of cylinder 203, inner cylinder 203 are connected by shell lower flange 208 with 3 bottom of screen cylinder, the scum pipe 11 and 203 phase of inner cylinder
Connection.
The upper surface of the conical shell 202 is higher than the lower surface of inlet pipe 9.
The transmission shaft driving mechanism 8 includes motor 801, motor rack 802, small pulley 803, V-belt 804 and big band
Wheel 805, the motor 801 are arranged on motor rack 802, and motor rack 802 is arranged on pedestal 7, the electricity of the motor 801
Small pulley 803 is provided on 801 axis of machine, small pulley 803 is connected by V-belt 804 with big belt wheel 805, the big belt wheel
805 are arranged on transmission shaft 6.
The upper cover 1 is made of the end socket 101 and upper cover flange 102 of ellipse, and upper cover flange 102 is welded on end socket
101 outsides are equipped with a concentric exhaust pipe 103 at 101 center of end socket of ellipse, for the air inside device for transferring.
Many apertures are arranged on upper cover flange 102, for connecting with shell 2.
2 top of shell forms the first chamber by shell upper flange 206, middle ring 204, cylindrical tube 201 and conical shell 202
Body, first cavity are equipped with inlet pipe 9, and slurry is thence into sieve nest.Flange 207, shell lower flange 208 and screen cylinder in shell
3 insides together form the second cavity, which is the screening areas of slurry.Shell lower flange 208, inner cylinder 203, inclination
Third cavity is together formed on the outside of plate 205, conical shell 202 and screen cylinder 3, which is welded on cylindrical drum
201 inside of body, forms an annular opening with shell lower flange 208, which is equipped on cylindrical tube 201
Thus one grout outlet 10, slurry enter next process by the good slurry of screen cylinder 3 by screening.Shell lower flange 208, bottom
Plate 5 and inner cylinder 203 form the 4th cavity, and a scum pipe 11 is arranged in the 4th cavity, for the tail slurry by screening is discharged, from
This enters next section of screening installation.
The rotary blade 401 of the rotor 4 can keep good cleaning effect at lower speeds, and slurry pulse is low, online
It is quantitative to stablize, it can be used in paper machine high-speed cruising.The cantilevered that the more existing interior flowing pressure sieve of 4 structure of rotor uses turns
Sub- semi-finals degree is high, reliable for operation.
Screen cylinder 3 uses Bar strip type screen cylinder 3, and 3 percent opening of screen cylinder that rod manufactures is high, and intensity is high.It can effectively improve
The production capacity of pressurized screen.
Pedestal 7 is the overall structure using steel plate bending, and this structure welding amount is few, and the processing is simple for production, and intensity is high, section
Save raw material, good appearance.
Motor rack 802 is made using steel plate bending, is mounted on the upper surface of pedestal 7, motor 801 together with shell 2
It is fixed on the vertical plate of motor rack 802 vertically, the motor 801 of close specification can be realized by the bolt hole on motor rack 802
The general motor rack 802.
Working principle:
Slurry enters the first cavity by inlet pipe 9, from the uniform inflow screening areas of circumferencial direction.Rotor 4
The rotation of rotary blade 401 makes to generate positive pressure pulse and underbalance pulse on 3 surface of screen cylinder, and cooperation pumps the pressure effect that slurry generates,
Seam or hole of the qualified fiber by screen cylinder 3, flow out from grout outlet 10 in slurry.3 surface of screen cylinder is attached to not over screening
Fiber and the underbalance pulse that is generated by rotary blade 401 of impurity clean.The 4th chamber can not be entered by the slurry of screening in slurry
Body gives next section of equipment processing by the discharge of scum pipe 11.
By the way that the rotor cone cylinder 403 of taper and the third cavity of back taper is arranged, make slurry first from the cone to narrow slowly
Shape flow path supplies slurry, and slurry is discharged from slowly open cone-shaped runner.As a result, all impartial to any position of screen frame
Low supply slurry, and all passed through resistance by identical in any position slurry.In addition, the entrance in screen cylinder 3 is set as overflow
Structure, the i.e. upper surface of conical shell 202 are higher than the lower surface of inlet pipe 9, make complete cycle direction uniform inflow of the slurry from screen cylinder 3
While, third cavity is also gathered from complete cycle by the slurry of screen cylinder 3, is flowed out through grout outlet 10.Fail to pass through in entrance side
The slurry of screening is moved along screen cylinder 3 towards scum pipe 11, and with the gradually accumulation of impurity in slurry, slurry concentration becomes larger.It is this
Situation is easy that 3 surface of screen cylinder is promoted to wear.It, can be fast but since slurry is flowed in the cone-shaped flow path to narrow slowly
Speed is discharged from 11 side of scum pipe, to reduce the abrasion of screen cylinder 3.
Embodiment enumerated above is not to described in the utility model only for understanding that the utility model is used
The restriction of technical solution, the those of ordinary skill in relation to field on the basis of the technical solution described in claim, can also make
A variety of variations or deformation out, all equivalent variations or deformation should all cover the utility model claims it
It is interior.Place is not described in detail for the utility model, is the well-known technique of those skilled in the art of the present technique.
Claims (9)
1. streaming pressurized screen, including upper cover, shell, screen cylinder, rotor, bottom plate, transmission shaft, pedestal before a kind of low pulse mesh of outer-flowing type
And transmission shaft driving mechanism, the upper cover are arranged in the top of shell, bottom plate is arranged in the lower part of shell, rotor, screen cylinder and
Transmission shaft is separately positioned in shell, and screen cylinder is located on the outside of rotor, and transmission shaft is located at rotor lower part, and bottom plate is located at pedestal top,
The transmission shaft driving mechanism is located on pedestal and is connected with transmission shaft, and inlet pipe, grout outlet are provided on the shell
And the top of shell is arranged in scum pipe, the inlet pipe, the lower part of shell is arranged in scum pipe, it is characterized in that: described
Grout outlet is located on the shell of rotor lower part, and the rotor includes rotary blade, rotary blade strut, rotor cone cylinder, support plate, turns
Sub-set and rotor cover board, the support plate are located at the outside of rotor set, and rotor cone cylinder, rotor cone are provided on the outside of support plate
The outside of cylinder is provided with multiple rotary blade struts, and a rotary blade, multiple rotary blades are separately installed on each rotary blade strut
The rotation outer diameter and rotor of formation cover female coaxial, and the top of rotor cone cylinder, the rotor is arranged in the rotor cover board
Set is connected with transmission shaft.
2. pressurized screen is streamed before a kind of low pulse mesh of outer-flowing type according to claim 1, it is characterized in that: the rotary blade
Including plane, the first arc surface, the second arc surface and third arc surface, the plane setting is in inside, first circle
Cambered surface, the second arc surface and third arc surface setting on the outside, the both ends of the plane respectively with the first arc surface and third
Arc surface is connected, and the second arc surface is provided between the first arc surface and third arc surface.
3. pressurized screen is streamed before a kind of low pulse mesh of outer-flowing type according to claim 1, it is characterized in that: the rotary blade
Strut is cylindrical structure.
4. pressurized screen is streamed before a kind of low pulse mesh of outer-flowing type according to claim 1, it is characterized in that: the support plate
Top be provided with reinforcing rib, reinforcing rib is connected with rotor cone cylinder and rotor set respectively.
5. pressurized screen is streamed before a kind of low pulse mesh of outer-flowing type according to claim 1, it is characterized in that: the support plate
Multiple circular gas vents are provided in the rotor cone cylinder of lower part.
6. pressurized screen is streamed before a kind of low pulse mesh of outer-flowing type according to claim 1, it is characterized in that: the shell packet
Cylindrical tube, conical shell, inner cylinder, middle ring, hang plate, shell upper flange, flange and shell lower flange in shell are included, it is described
Conical shell is arranged in cylindrical tube, and bottom is connected with the cylindrical tube inner wall above grout outlet, the conical shell
It is provided with middle ring between cylindrical tube, inner cylinder, the periphery of inner cylinder are provided between the lower part and bottom plate of the conical shell
Hang plate is provided between cylindrical tube, the top of cylindrical tube is arranged in the shell upper flange, and cylindrical tube passes through
Shell upper flange is connected with upper cover, and the top of conical shell is arranged in flange in the shell, and conical shell passes through in shell
It is connected at the top of flange and screen cylinder, the top of inner cylinder is arranged in the shell lower flange, and inner cylinder passes through shell lower flange and screen cylinder
Bottom is connected, and the scum pipe is connected with inner cylinder.
7. pressurized screen is streamed before a kind of low pulse mesh of outer-flowing type according to claim 6, it is characterized in that: the conically shaped
The upper surface of body is higher than the lower surface of inlet pipe.
8. pressurized screen is streamed before a kind of low pulse mesh of outer-flowing type according to claim 1, it is characterized in that: the transmission shaft
Driving mechanism includes motor, motor rack, small pulley, V-belt and big belt wheel, and the motor is arranged on motor rack, motor rack
It is set on the base, small pulley is provided on the motor shaft of the motor, small pulley is connected by V-belt with big belt wheel, institute
The big belt wheel stated is arranged on transmission shaft.
9. pressurized screen is streamed before a kind of low pulse mesh of outer-flowing type according to claim 1, it is characterized in that: the upper cover is
It is made of the end socket and upper cover flange of ellipse, upper cover flange is arranged on the outside of end socket, is equipped with one at the end socket center of ellipse
A concentric exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820827739.3U CN208250814U (en) | 2018-05-30 | 2018-05-30 | Pressurized screen is streamed before a kind of low pulse mesh of outer-flowing type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820827739.3U CN208250814U (en) | 2018-05-30 | 2018-05-30 | Pressurized screen is streamed before a kind of low pulse mesh of outer-flowing type |
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| Publication Number | Publication Date |
|---|---|
| CN208250814U true CN208250814U (en) | 2018-12-18 |
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ID=64652711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820827739.3U Active CN208250814U (en) | 2018-05-30 | 2018-05-30 | Pressurized screen is streamed before a kind of low pulse mesh of outer-flowing type |
Country Status (1)
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| CN (1) | CN208250814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2018
- 2018-05-30 CN CN201820827739.3U patent/CN208250814U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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