CN211256482U - Device for preventing impurities from being accumulated on rotor of pressure screen - Google Patents
Device for preventing impurities from being accumulated on rotor of pressure screen Download PDFInfo
- Publication number
- CN211256482U CN211256482U CN201922029343.1U CN201922029343U CN211256482U CN 211256482 U CN211256482 U CN 211256482U CN 201922029343 U CN201922029343 U CN 201922029343U CN 211256482 U CN211256482 U CN 211256482U
- Authority
- CN
- China
- Prior art keywords
- rotor
- pressure screen
- accumulated
- lining plate
- blade
- 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.)
- Expired - Fee Related
Links
- 239000012535 impurity Substances 0.000 title claims abstract description 43
- 238000010008 shearing Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 210000004907 gland Anatomy 0.000 claims abstract description 12
- 230000003068 static effect Effects 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 7
- 239000002893 slag Substances 0.000 description 7
- 238000004804 winding Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Paper (AREA)
Abstract
The utility model discloses a device for preventing impurities from being gathered on a pressure screen rotor, which comprises a pressure screen rotor and a transmission assembly for driving the pressure screen rotor to rotate, wherein a gland is arranged at the top end of the transmission assembly, the pressure screen rotor is connected with the transmission assembly through a rotating shaft, and an auxiliary blade component is arranged on the gland; the utility model discloses simple structure, form the shearing area through rotatory main blade and static auxiliary blade, so not only can cut off the bold impurity or the twisted rope that get into the shearing area, but also can impel the impurity that gets into in the shearing area to rotate fast, prevent the gathering of impurity, avoided because of twisted rope and impurity gathering lead to the fact that the equipment load rises, phenomenon such as too early wear of rotor; therefore, the service life of the pressure screen rotor can be prolonged, and the equipment load is reduced.
Description
Technical Field
The utility model relates to a papermaking equipment technical field, in particular to device of impurity gathering is prevented to pressurized screen rotor.
Background
The pressure screen is a key device necessary for papermaking production, usually, in the papermaking production process, the power consumption accounts for a large proportion, the existing pulping screening section of a papermaking plant has the phenomena of equipment load increase, unstable operation and premature rotor wear caused by winding stranded ropes inside a rotor during operation, the phenomena affect the performance of the equipment, cause the equipment operation load increase and cause unplanned shutdown, and increase the use cost and the maintenance cost.
The utility model relates to a reduce winding energy-saving pressurized screen rotor, the notice number is CN201158779Y, and the notice day is 2008.12.03, the utility model discloses a reduce winding energy-saving pressurized screen rotor, rotor and go-between are connected with countersunk screw to in sinking into the hole nest of go-between with countersunk screw's head, on the rotor simultaneously, respectively have a keyway and upper and lower, pinhole on the go-between match down, the locating pin key is installed in rotor and go-between, fix a position go-between and rotor, the main part of rotor adopts the centre seat, radials and go-between welding, adjusting shim arranges in between rotor and the go-between. The utility model discloses the winding phenomenon of reducible thick liquids improves the screening efficiency, reduces the consumption, reduces the dead weight, reduces useless consumption. The utility model discloses a rotor reduces the winding phenomenon of thick liquids, but to current device, this structure is more complicated, and the effect is not good.
The utility model relates to a pressure screen rotor with a slag discharging device, the number of the bulletin is CN204039829U, the number of the bulletin is 2014.12.24, the utility model discloses a pressure screen rotor with a slag discharging device, which comprises a cylindrical pressure screen rotor body, a plurality of rotor blocks are fixedly arranged on the pressure screen rotor body, a shaft sleeve used for connecting with a rotating shaft is arranged in the inner cavity of the pressure screen rotor body, the shaft sleeve is fixedly connected with the pressure screen rotor body through an annular connecting plate, the annular connecting plate is of a double-layer structure consisting of an upper annular connecting plate and a lower annular connecting plate, the upper annular connecting plate and the lower annular connecting plate are arranged in an axial direction, a slag discharging device is arranged on the annular connecting plate, the slag discharging device comprises a group of slag discharging pipes which sequentially penetrate through the upper annular connecting plate and the lower annular connecting plate, the slag discharging pipes are uniformly distributed along the central axis of the rotor body of the pressure screen, and each slag discharging pipe is fixedly connected with the annular connecting plate. The utility model discloses can improve the terminal row's sediment efficiency of pressurized screen rotor, realize that light impurity does not directly get rid of through screening region to reach the purpose of carrying screening efficiency. The utility model discloses mainly solve the terminal problem of arranging sediment efficiency of pressurized screen rotor, do not solve the problem that the stranded rope winding and impurity gathering are prevented to the pressurized screen rotor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical scheme who takes for solving above-mentioned problem is:
a device for preventing impurities from being accumulated on a pressure screen rotor comprises the pressure screen rotor and a transmission assembly for driving the pressure screen rotor to rotate, wherein a gland is installed at the top end of the transmission assembly, the pressure screen rotor is connected with the transmission assembly through a rotating shaft, and an auxiliary blade assembly is installed on the gland; and a gap is formed between the main blade assembly and the auxiliary blade assembly along the axial direction of the rotating shaft to form a shearing area.
Furthermore, the main blade assembly comprises a rotating cylinder sleeved on a rotating shaft of the pressure screen rotor, and at least 3 main blades are circumferentially distributed on the lower end face of the rotating cylinder.
Further, the rotary cylinder is designed to be of an inverted cone shape, the upper end of the rotary cylinder is connected with the pressure screen rotor, the lower end of the rotary cylinder is provided with a mounting surface for mounting the main blade, a through hole matched and connected with the rotating shaft is formed in the mounting surface, one end of the main blade extends to the edge of the through hole, the other end of the main blade extends to the outer edge of the lower end of the rotary cylinder, and the main blade is arranged in a mode that the length direction of the main blade and the.
Further, the auxiliary blade assembly comprises a lining plate installed at the upper end of the gland, at least 3 auxiliary blades are circumferentially arranged on the upper end face of the lining plate, and the circumferential arrangement direction of the auxiliary blades is opposite to that of the main blades.
Further, the welt is the ring shape, and the inner ring edge connection that vice blade one end extended to the welt, and the outer loop edge connection that vice blade other end extended to the welt, vice blade length direction and the radial angulation setting of welt.
Furthermore, the lower end face of the rotary cylinder is welded with the main blade, and the upper end face of the lining plate is welded with the auxiliary blade.
Furthermore, an adjusting gasket is arranged on the lower end face of the lining plate.
Further, the axial clearance between the auxiliary blade and the main blade is 1-3 mm.
The utility model discloses the beneficial effect who has does:
the utility model relates to a device that impurity gathering is prevented to pressurized screen rotor, pressurized screen rotor drives rotatory section of thick bamboo and main blade and rotates fast, form the shearing area through rotatory main blade and static vice blade, not only can cut off the bold impurity or the hank rope that get into the shearing area like this, and can impel the medium that gets into in the shearing area to rotate fast, the medium in the shearing area is thrown out from the shearing area center under the centrifugal force effect, effectively keep apart long and thin impurities such as hank rope, cotton thread, iron wire outside the shearing area, prevent the gathering of impurity, avoided leading to equipment load rising because of the gathering of hank rope and impurity, the operation is unstable, the too early wearing and tearing phenomenon of rotor; therefore, the service life of the pressure screen rotor can be prolonged, and the equipment load is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure A of the present invention;
FIG. 3 is a front view of the main blade assembly of the present invention;
fig. 4 is a bottom view of the main blade assembly of the present invention;
fig. 5 is a schematic structural view of the secondary blade assembly 2 of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-2, a device for preventing a twisted rope of a pressure screen rotor 3 from winding and collecting impurities comprises the pressure screen rotor 3 and a transmission assembly 4 for driving the pressure screen rotor 3 to rotate, wherein a gland 41 is installed at the top end of the transmission assembly 4, the pressure screen rotor 3 is connected with the transmission assembly 4 through a rotating shaft, and an auxiliary blade component 2 is installed on the gland 41; the inner wall of the pressure screen rotor 3 is provided with a main blade assembly 1 matched with the auxiliary blade assembly 2, and a gap is formed between the main blade assembly 1 and the auxiliary blade assembly 2 along the axial direction of the rotating shaft to form a shearing area 5.
As shown in fig. 1-5, in order to better realize the shearing action of the main blades 12 and the auxiliary blades 21, ensure that the twisted strands and the collected impurities can be crushed in the shearing area 5, and throw the crushed strands and impurities out of the shearing area 5 through centrifugal force, the main blade assembly 1 includes a rotary drum 11 sleeved on a rotating shaft of the pressure screen rotor 3, at least 3 main blades 12 are circumferentially arranged on the lower end surface of the rotary drum 11, and in this embodiment, the lower end surface of the rotary drum 11 is welded with the main blades 12; preferably, in this embodiment, the rotary cylinder 11 is in an inverted cone shape, the upper end of the rotary cylinder 11 is connected with the pressure screen rotor 3, the lower end of the rotary cylinder 11 is provided with an installation surface for installing the main blade 12, the installation surface is provided with a through hole matched with the rotating shaft, one end of the main blade 12 extends to the edge of the through hole, the other end of the main blade 12 extends to the outer edge of the lower end of the rotary cylinder 11, the length direction of the main blade 12 and the installation surface are radially arranged at an angle, preferably, four main blades 12 are arranged in this embodiment, and the length direction of the main blade 12 is tangential to the excircle of the through;
as shown in fig. 1-5, the secondary blade assembly 2 includes a liner 22 mounted on an upper end of a gland 41, preferably, the liner 22 is circular, at least 3 secondary blades 21 are circumferentially arranged on an upper end surface of the liner 22, and preferably, the upper end surface of the liner 22 is welded to the secondary blades 21; one end of each auxiliary blade 21 extends to the inner circle edge of the lining plate 22, the other end of each auxiliary blade 21 extends to the outer circle edge of the lining plate 22, the length direction of each auxiliary blade 21 and the radial direction of the lining plate 22 form an angle, preferably, four auxiliary blades 21 are arranged in the embodiment, the length direction of each main blade 12 is tangent to the inner circle edge of the lining plate 22, the circumferential arrangement direction of each auxiliary blade 21 is opposite to the circumferential arrangement direction of each main blade 12, and the auxiliary blades 21 and the main blades 12 form crossed shearing fit when rotating relatively; the auxiliary blade 21 and the main blade 12 are arranged in a crossed manner to form the shearing area 5, when the main blade 12 rotates, the auxiliary blade 21 is static, the rotating main blade 12 and the static auxiliary blade 21 can break the twisted stranded ropes and the gathered impurities, and the broken stranded ropes and the impurities are thrown out of the shearing area 5 under the action of centrifugal force.
As shown in fig. 1-2, in order to achieve the breaking of the twisted strands and the accumulated impurities and to eject them from the cutting zone 5 by centrifugal force, the spacing between the secondary blade 21 and the primary blade 12 is 1-3mm, preferably 1.5mm in this embodiment, so that the strands and impurities ejected from the cutting zone 5 are relatively small and can be discharged; in order to adjust the distance between the secondary blade 21 and the main blade 12, an adjusting shim 23 is mounted on the lower end surface of the liner plate 22, and the distance between the secondary blade 21 and the main blade 12 can be adjusted to be the distance required by the work by additionally mounting the adjusting shim 23.
The utility model discloses a working process does:
in the process that the transmission assembly 4 drives the pressure screen rotor 3 to rotate, impurities and stranded ropes in the pulp liquid can float upwards and are gathered at the joint of the transmission assembly 4 and the pressure screen rotor 3, the inner wall of the pressure screen rotor 3 is provided with the rotating cylinder 11, the lower end face of the rotating cylinder 11 is welded with the main blade 12, the pressure screen rotor 3 can drive the main blade 12 to rotate together through the rotating cylinder 11, the gland 41 arranged at the upper end of the transmission assembly 4 is fixedly provided with the lining plate 22, the upper end face of the lining plate 22 is provided with the auxiliary blade 21, the gland 41 is always kept in a static state, therefore, the auxiliary blade 21 is static, the rotating main blade 12 and the static auxiliary blade 21 form a shearing area 5, impurities such as large impurities or stranded ropes wound in a lump can be crushed or sheared through the shearing area 5, and are finally thrown out from the center of the shearing area under the action of centrifugal force, and the stranded ropes can be effectively, The long and thin impurities such as cotton threads, iron wires and the like are isolated outside the shearing area 5, so that the impurities are prevented from being gathered, the phenomenon that the equipment load is increased, the operation is unstable and the rotor is worn prematurely due to the gathering of the impurities such as twisted ropes and the like is avoided.
The utility model discloses simple structure, pressure screen rotor 3 drives rotatory section of thick bamboo 11 and main blade 12 fast revolution, form shearing area 5 through rotatory main blade 12 and static auxiliary blade 21, so not only can cut off the bold impurity or the hank rope that get into shearing area 5, and can impel the impurity that gets into in the shearing area fast revolution, impurity in the shearing area is thrown out from the shearing area center under the centrifugal force effect, effectually keep apart long and thin impurity such as hank rope, cotton thread, iron wire outside shearing area 5, prevent the gathering of impurity, avoided leading to equipment load rising because of the gathering of impurity such as hank rope, the operation is unstable, the phenomenon of rotor premature wear; thereby improving the service life of the pressure screen rotor 3 and reducing the equipment load.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, and the words are not intended to have a special meaning unless otherwise stated.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments, but such modifications or substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. The device for preventing the impurities from being accumulated on the pressure screen rotor comprises the pressure screen rotor and a transmission assembly for driving the pressure screen rotor to rotate, wherein a gland is arranged at the top end of the transmission assembly, and the pressure screen rotor is connected with the transmission assembly through a rotating shaft; and a gap is formed between the main blade assembly and the auxiliary blade assembly along the axial direction of the rotating shaft to form a shearing area.
2. The device for preventing impurities from being accumulated in the pressure screen rotor as claimed in claim 1, wherein the main blade assembly comprises a rotary drum sleeved on a rotating shaft of the pressure screen rotor, and at least 3 main blades are circumferentially arranged on the lower end surface of the rotary drum.
3. The device for preventing impurities from being accumulated on the rotor of the pressure screen as claimed in claim 2, wherein the rotating cylinder is in an inverted cone shape, the upper end of the rotating cylinder is connected with the rotor of the pressure screen, the lower end of the rotating cylinder is provided with a mounting surface for mounting the main blade, the mounting surface is provided with a through hole in fit connection with the rotating shaft, one end of the main blade extends to the edge of the through hole, the other end of the main blade extends to the outer edge of the lower end of the rotating cylinder, and the length direction of the main blade and the mounting surface are arranged in an angle mode.
4. The device for preventing impurities from being accumulated in the rotor of the pressure screen as claimed in claim 3, wherein the auxiliary blade assembly comprises a lining plate mounted at the upper end of the gland, at least 3 auxiliary blades are circumferentially arranged on the upper end surface of the lining plate, and the circumferential arrangement direction of the auxiliary blades is opposite to that of the main blades.
5. The device for preventing impurities from being accumulated in the rotor of the pressure screen as claimed in claim 4, wherein the lining plate is circular, one end of the auxiliary blade extends to the inner ring edge of the lining plate to be connected, the other end of the auxiliary blade extends to the outer ring edge of the lining plate to be connected, and the length direction of the auxiliary blade is arranged at an angle with the radial direction of the lining plate.
6. The device for preventing impurities from being accumulated on the rotor of the pressure screen as claimed in claim 5, wherein the lower end surface of the rotary cylinder is welded with the main blade, and the upper end surface of the lining plate is welded with the auxiliary blade.
7. The device for preventing impurities from being accumulated in the rotor of the pressure screen as claimed in claim 6, wherein the lower end surface of the lining plate is provided with an adjusting gasket.
8. A rotor anti-impurity collection device for a pressure screen according to claim 7, wherein the axial clearance between the secondary blades and the primary blades is 1-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922029343.1U CN211256482U (en) | 2019-11-22 | 2019-11-22 | Device for preventing impurities from being accumulated on rotor of pressure screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922029343.1U CN211256482U (en) | 2019-11-22 | 2019-11-22 | Device for preventing impurities from being accumulated on rotor of pressure screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211256482U true CN211256482U (en) | 2020-08-14 |
Family
ID=71958388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922029343.1U Expired - Fee Related CN211256482U (en) | 2019-11-22 | 2019-11-22 | Device for preventing impurities from being accumulated on rotor of pressure screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211256482U (en) |
-
2019
- 2019-11-22 CN CN201922029343.1U patent/CN211256482U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108704722B (en) | Wear-resistant lining plate for large-scale autogenous mill/semi-autogenous mill | |
| CN2933563Y (en) | Vertical impacting crusher and its round impeller | |
| CN211256482U (en) | Device for preventing impurities from being accumulated on rotor of pressure screen | |
| CN211099338U (en) | Crusher rotor with protection mechanism | |
| CN208250810U (en) | The efficient size degradation pulping device of paper stock | |
| CN106111246A (en) | A kind of multicylinder hydraulic spindle formula disintegrating machine | |
| CN210545438U (en) | Impeller for composite screen | |
| CN214257070U (en) | Mixed-cutter sectional type double-helix powder ridge cutter | |
| CN210527916U (en) | Cantilever warehouse cleaning machine | |
| CN203076012U (en) | Fiber releasing machine | |
| CN212077464U (en) | Rotor device of medium-concentration hydraulic pulper | |
| CN212803063U (en) | Drill bit for pebble collection in pile foundation construction | |
| CN210320863U (en) | Main shaft of dehydrator | |
| CN205995581U (en) | Vertical impact crusher crusher chamber | |
| CN210916792U (en) | Outer lining barrel structure of pressure screen rotor and pressure screen rotor | |
| CN104722375B (en) | Sand making machine | |
| CN201346481Y (en) | Adjustable hammer breaker | |
| CN217288751U (en) | Runner cover of vertical shaft impact crusher | |
| CN219880099U (en) | Sand mill | |
| CN212237520U (en) | Horizontal low-energy-consumption sand making machine | |
| CN218013079U (en) | Main rotor for crusher | |
| CN114367361A (en) | Bottom protection device for protecting spiral stirrer | |
| CN214320362U (en) | Ball mill spindle nose | |
| CN212882724U (en) | Novel assembly hammer frame for crusher | |
| CN218251516U (en) | Powder selecting rotor structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200814 |