CN107740301B - Vacuum suction shifting roller washing system of paper machine - Google Patents
Vacuum suction shifting roller washing system of paper machine Download PDFInfo
- Publication number
- CN107740301B CN107740301B CN201711138174.4A CN201711138174A CN107740301B CN 107740301 B CN107740301 B CN 107740301B CN 201711138174 A CN201711138174 A CN 201711138174A CN 107740301 B CN107740301 B CN 107740301B
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- Prior art keywords
- vacuum suction
- driving
- shifting roller
- pressure
- spray pipe
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
- D21F3/10—Suction rolls, e.g. couch rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- Paper (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to the technical field of papermaking, and discloses a vacuum suction shifting roller washing system of a papermaking machine, which comprises a spray pipe, a plurality of high-pressure spray heads and a high-pressure water supply machine, wherein the spray pipe is arranged on one side of the vacuum suction shifting roller, the length direction of the spray pipe is parallel to the vacuum suction shifting roller, the high-pressure spray heads are arranged on the spray pipe and face the vacuum suction shifting roller, and the high-pressure water supply machine is communicated with the spray pipe. The invention has the following advantages and effects: the new mechanical structure of this scheme utilization sets up the shower through week side at the roller is inhaled in vacuum, and the high pressure shower head on the shower supplies water through high-pressure water supply machine to can improve the cleaning performance to the vacuum shower, thereby reduce the dismantlement washing step of inhaling the roller to the vacuum, improve production efficiency.
Description
Technical Field
The invention relates to the technical field of papermaking, in particular to a vacuum suction shifting roller washing system of a papermaking machine.
Background
In the paper making process, after the paper pulp is uniformly treated, the formed paper pulp needs to be dewatered in the primary forming of paper products due to a large amount of water in the paper pulp, and a device for dewatering the paper pulp in a paper making machine is a vacuum suction roller.
At present, chinese patent with publication number CN205711541U and publication date 2016, 11, and 23 discloses a vacuum suction transfer roller, which comprises a vacuum roller body, wherein a suction hole is formed in the surface of the vacuum roller body, a guide rail is arranged on the outer side of the vacuum roller body, a nozzle which is in sliding fit with the guide rail is arranged on the guide rail, and a driving device which drives the nozzle to reciprocate is arranged on one side of the guide rail.
In the vacuum suction and transfer roller, the nozzle is driven by the driving device to reciprocate on the guide rail, so that impurities on the suction hole on the vacuum roller body are cleaned. However, the cleaning effect of the nozzle on the vacuum suction transferring roller is poor due to the fact that the nozzle is cleaned in the process of sliding on the guide rail.
Disclosure of Invention
The invention aims to provide a vacuum suction shifting roller washing system of a paper machine, which can improve the cleaning effect of a vacuum suction shifting roller.
The technical purpose of the invention is realized by the following technical scheme: a vacuum suction shifting roller washing system of a paper machine comprises a spray pipe, a plurality of high-pressure spray heads and a high-pressure water feeder, wherein the spray pipe is arranged on one side of the vacuum suction shifting roller, the length direction of the spray pipe is parallel to the vacuum suction shifting roller, the high-pressure spray heads are arranged on the spray pipe and face the vacuum suction shifting roller, and the high-pressure water feeder is communicated with the spray pipe;
the device comprises a driving ring, a driving ring and a driving assembly, wherein the driving ring is arranged on the end part of the vacuum suction shifting roller, the driving ring is rotatably connected to the supporting seat and sleeved on the end part of the vacuum suction shifting roller, the driving assembly is arranged between the supporting seat and the driving ring and is used for driving the driving ring to reciprocate and rotate forwards and backwards, two ends of the spray pipe are connected between the two driving rings, and the spray pipe is connected with the high-pressure water supply machine through a hose;
the end surfaces of the two driving rings, which are close to each other, are symmetrically provided with connecting grooves extending along the radial direction of the driving rings, and a plurality of connecting holes are arranged in the connecting grooves; threaded shafts with opposite thread directions are arranged at two ends of the spray pipe, a sliding block connected with the connecting groove in a sliding manner is connected to the threaded shafts in a threaded manner, and a positioning block embedded into the connecting hole is arranged at one end, far away from the threaded shafts, of the sliding block;
the spraying directions of the high-pressure spraying heads are tangent to the peripheral side of the vacuum suction shifting roller, the spraying directions of the high-pressure spraying heads are parallel to the radial direction of the vacuum suction shifting roller, the high-pressure spraying heads with the spraying directions tangent to the peripheral side of the vacuum suction shifting roller and the high-pressure spraying heads with the spraying directions parallel to the radial direction of the vacuum suction shifting roller are arranged in a staggered mode;
the spray pipe comprises a spray pipe body and a plurality of three-way connectors which are arranged on the spray pipe body and used for installing the high-pressure spray heads, and metal hoses are arranged between the three-way connectors and the high-pressure spray heads;
the spray pipe body is also provided with a reinforcing component for reinforcing the angle of the high-pressure spray head, and the reinforcing component comprises a connecting sleeve sleeved on the three-way connector, a limiting sleeve arranged on the connecting sleeve and used for the metal hose to pass through, and a fixing part arranged between the connecting sleeve and the three-way connector;
the connecting sleeve is far away from a gap is formed in the limiting sleeve, connecting parts are formed on the connecting sleeve and are located on two sides of the gap, and the fixing part comprises two fixing bolts penetrating through the connecting parts and fixing nuts in threaded connection on the fixing bolts.
By adopting the scheme, the high-pressure water supply machine supplies water for the spray pipe, so that the strength of water flow sprayed out by the high-pressure spray head is higher, the flushing force of the vacuum suction and suction roller can be improved, the cleaning effect of the vacuum suction and suction roller is improved, and fibers and the like on paper are not easy to block the vacuum suction and suction roller;
the driving rings are driven by the driving assembly to rotate forwards and reversely in a reciprocating manner, so that the spraying pipe between the two driving rings can spray the vacuum suction transfer roller around the peripheral side of the vacuum suction transfer roller, and the vacuum suction transfer roller is sprayed by the whole surface; the spray pipe rotates along with the driving disc, so that the spray pipe is connected with the high-pressure water supply machine through a hose; simultaneously, the driving ring is driven by the driving assembly to reciprocate and rotate positively and negatively, so that the hose cannot be wound on the vacuum suction and moving roller for multiple circles'
The sliding block is connected in the connecting groove in a sliding mode and cannot rotate, when the spraying pipe rotates to a certain degree, the total length formed by the two sliding blocks and the spraying pipe is lengthened or shortened, when the total length formed is shortened, the positioning block on the sliding block can be separated from the connecting hole in the connecting groove, so that the spraying pipe can move along the connecting groove, the spraying distance between the spraying pipe and the vacuum suction and suction roller is adjusted, finally, the assembly formed by the spraying pipe and the two sliding blocks is lengthened through the reverse spraying pipe, the positioning block on the sliding block is embedded into the other group of symmetrical connecting holes, and the spraying pipe is fixed;
the spraying directions of the high-pressure spraying heads are parallel to the radial direction of the vacuum suction shifting roller, and the spraying directions of the high-pressure spraying heads are tangent to the peripheral side of the vacuum suction shifting roller, so that the vacuum suction shifting roller can be cleaned at different angles in the process that the spraying pipe rotates around the vacuum suction shifting roller, and the cleaning effect can be improved;
the high-pressure spray header is arranged on the three-way connecting header through the metal hose, so that the high-pressure spray header can face to a required direction by pulling the angle of the metal hose;
because the water flow output from the high-pressure spray head is high-pressure water flow, the metal hose is easy to bend to a certain extent when the water flows, so that the spraying direction of the high-pressure spray head is changed, the connecting sleeve is fixed on the three-way connecting head through the fixing part, the metal hose passes through the limiting sleeve on the connecting sleeve, the metal hose has a certain limiting effect on the limiting sleeve, and finally the direction of the high-pressure spray head is not easy to change;
the fixing bolt penetrates through the connecting part and then is locked through the fixing nut, so that the connecting sleeve is clamped on the three-way connecting head to be fixed.
The invention is further provided with: the driving assembly comprises a circular rack which is arranged on any one driving ring and is coaxial with the driving ring, a driving gear which is rotatably connected to the supporting seat and is meshed with the circular rack, and a motor which is arranged on the supporting seat and drives the driving gear to reciprocate and rotate positively and negatively through a linkage piece, wherein the driving gear and the circular rack have the same number of teeth.
By adopting the above scheme, the motor drives the drive gear to reciprocate through the linkage piece, so that the circular rack meshed with the drive gear can reciprocate along with the drive gear, and simultaneously, because the tooth numbers of the drive gear and the circular rack are the same, the rotating angle of the drive gear and the rotating angle of the circular rack are the same, the rotating angle of the circular rack can be controlled by controlling the rotating angle of the drive gear, and the reciprocating forward and reverse rotation of the spray pipe during spraying around the vacuum suction and suction roller can be controlled conveniently.
The invention is further provided with: the linkage piece is including sliding the setting and be in on the supporting seat and with drive gear engaged with spur rack, setting are in crank, both ends on the output shaft of motor articulate respectively the spur rack with on the crank and be used for driving the spur rack is reciprocating linear motion's rocker, the distance that the spur rack removed with drive gear's girth equals.
By adopting the above scheme, when the motor rotates, the output shaft of the motor drives the crank to do circular motion, the rocker can drive the spur rack to do reciprocating linear motion at the moment, the reciprocating linear motion distance of the spur rack is equal to the circumference of the driving gear, so that when the spur rack performs a circulating reciprocating linear motion process, the driving gear can be driven to perform a circulating reciprocating forward and backward rotation, the driving ring is driven by the circular rack to perform a circulating reciprocating forward and backward rotation, and finally the spraying pipe is driven to perform reciprocating spraying around the periphery of the vacuum suction and suction roller.
In conclusion, the invention has the following beneficial effects:
1. by arranging the spray pipes on the periphery of the vacuum suction and moving roller, the high-pressure spray heads on the spray pipes supply water through the high-pressure water supply machine, so that the cleaning effect on the vacuum spray pipes can be improved;
2. the driving ring is driven by the driving assembly to reciprocate and rotate positively and negatively, so that the high-pressure spray head on the spray pipe can perform reciprocating and circulating washing on the vacuum suction shifting roller, and the washing effect is improved;
3. the high-pressure spray header is connected to the three-way connection head of the spray pipe through the metal hose, so that the spray direction of the high-pressure spray header can be adjusted, and the vacuum washing roller can be washed at a proper angle.
Drawings
FIG. 1 is a first schematic structural diagram of embodiment 1;
FIG. 2 is an exploded view of the drive ring and partial structure at the shower;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a schematic structural diagram ii of embodiment 1.
Reference numerals: 1. a vacuum suction roller; 2. a shower pipe; 21. a spray pipe body; 22. a three-way connector; 3. a high pressure spray header; 4. a high pressure water supply machine; 51. a supporting seat; 52. a drive ring; 521. connecting grooves; 522. connecting holes; 523. a rotating part; 53. a drive assembly; 531. a circular rack; 532. a drive gear; 533. a motor; 54. a linkage member; 541. straight rack; 542. a crank; 543. a rocker; 6. a hose; 7. a threaded shaft; 8. a slider; 81. positioning blocks; 9. a metal hose; 10. a reinforcement assembly; 101, a first electrode and a second electrode; connecting sleeves; 1011. a notch; 1012. a connecting portion; 102. a limiting sleeve; 103. a fixing member; 1031. fixing the bolt; 1032. and (5) fixing the nut.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: a vacuum suction shifting roller washing system of a paper machine mainly comprises a spray pipe 2 positioned at the periphery of a vacuum suction shifting roller 1, a high-pressure spray head 3 arranged on the spray pipe 2 and opposite to the periphery of the vacuum suction shifting roller 1, a high-pressure water feeder 4 connected with the spray pipe 2, and a driving device for driving the spray pipe 2 to rotate circularly around the periphery of the vacuum suction shifting roller 1, as shown in figure 1. Meanwhile, the vacuum suction/transfer roller 1 is used only for reference and is not attached to both ends.
As shown in fig. 2, the shower pipe 2 includes a shower body 21, and a plurality of three-way joints 22 installed in the shower body 21. The high-pressure spray header 3 is connected to the three-way connector 22 through the metal hose 9, so that the direction of the high-pressure spray header 3 can be finely adjusted; meanwhile, the spraying directions of the high-pressure spray heads 3 on the spray pipe body 21 are different, the spraying directions of the plurality of high-pressure spray heads 3 are tangent to the peripheral side of the vacuum suction transfer roller 1, the spraying directions of the plurality of high-pressure spray heads 3 are parallel to the radial direction of the vacuum suction transfer roller 1, the high-pressure spray heads 3 tangent to the peripheral side of the vacuum suction transfer roller 1 in the spraying directions and the high-pressure spray heads 3 parallel to the radial direction of the vacuum suction transfer roller 1 in the spraying directions are arranged in a staggered mode.
As shown in fig. 2 and 3, a reinforcement assembly 10 for fixing a spraying angle of the high pressure shower head 3 is further installed on the shower pipe 2, and the reinforcement assembly 10 includes a connection sleeve 101, a position-limiting sleeve 102, and a fixing member 103. The connecting sleeve 101 is rotatably sleeved on the three-way connector 22 and is fixed through the fixing piece 103, and a movable space is formed at the position, close to the metal hose 96 and the three-way connector 22, of the connecting sleeve 101, so that the connecting sleeve 101 can rotate on the three-way connector 22 by a certain angle and does not interfere with the joint of the metal hose 96 and the three-way connector 22; the stop sleeve 102 is fixed to the connection sleeve 101 and allows the end of the metal hose 96 remote from the three-way connection head 22 to pass through. A notch 1011 is formed at one end of the connecting sleeve 101 far away from the limiting sleeve 102, connecting parts 1012 are integrally arranged on the connecting sleeve 101 at two sides of the notch 1011, the fixing member 103 comprises a fixing bolt 1031 passing through the two connecting parts 1012, and a fixing nut 1032 in threaded connection with the fixing bolt 1031 passing through one end of the two connecting parts 1012, and when the fixing nut 1032 is locked, the two connecting parts 1012 are close to each other, so that the connecting sleeve 101 is tightly abutted against the three-way connector 22 for fixing.
As shown in fig. 1, the high-pressure water supply machine 4 is connected to the periphery of the end portion of the shower pipe 2 by a rubber hose 6.
As shown in fig. 4, the driving device includes a supporting seat 51, a driving ring 52 and a driving assembly 53. The supporting seats 51 are two and located at two ends of the vacuum suction shifting roller 1 in the length direction, and the upper end portions of the supporting seats 51 are sleeved on the vacuum suction shifting roller 1. The number of the driving rings 52 is two, and the two driving rings 52 are respectively connected to the two supporting seats 51 in a rotating way, and the rotating axis of the driving ring 52 is coincident with the central line of the vacuum suction roller 1; meanwhile, referring to fig. 2, the outer peripheral walls of the two drive rings 52 are integrally provided with a rotating portion 523 which is embedded in the support seat 51 and prevents the drive ring 52 from falling off the support seat 51 during rotation, and a connecting groove 521 having a length direction parallel to the radial direction of the drive ring 52 is formed on the end surfaces of the two drive rings 52 which are close to each other, and a plurality of connecting holes 522 are uniformly distributed in the connecting groove 521, and the distance between the center of the drive ring 52 and the nearest connecting center is larger than the radius of the middle portion of the vacuum pipette 1.
As shown in fig. 2, both ends of the shower pipe 2 are installed in the connecting grooves 521 of the two driving rings 52, threaded shafts 7 with opposite thread directions are welded to both ends of the shower pipe body 21 of the shower pipe 2, a sliding block 8 slidably connected in the connecting grooves 521 is connected to each threaded shaft 7 in a threaded manner, and a positioning block 81 matched with the connecting hole 522 in the connecting groove 521 is integrally provided on the end surface of the sliding block 8 away from the shower pipe body 21.
As shown in fig. 4, the driving assembly 53 is used for realizing the reciprocating forward and reverse rotation of the driving ring 52, and the driving assembly 53 comprises a circular rack 531, a driving gear 532 and a motor 533. The circular rack 531 is fixedly connected to the driving ring 52 on the side far away from the hose 6, and the circular rack 531 and the driving ring 52 are arranged coaxially; the driving gear 532 is rotationally connected to the supporting seat 51 through a pin shaft, the driving gear 532 is meshed with the circular rack 531, and the number of teeth of the driving gear 532 is the same as that of the circular rack 531; the motor 533 drives the driving gear 532 to rotate forward and backward in a reciprocating manner through the link 54.
As shown in fig. 4, the link 54 includes a spur rack 541, a crank 542, and a rocker 543. Spur rack 541 slides and connects on supporting seat 51 and meshes with drive gear 532 mutually, one end fixed connection of crank 542 is on the output shaft of motor 533, the both ends of rocker 543 articulate respectively on crank 542 and spur rack 541 through the round pin axle, simultaneously through designing the length ratio of crank 542 and rocker 543 for the moving distance that rocker 543 drives spur rack 541 equals with the girth of drive gear 532, the length ratio calculation of this crank 542 and rocker 543 is prior art, do not do too much explanation here.
The implementation process comprises the following steps: during the shutdown of the paper making process, the high-pressure water supply machine 4 is opened to spray high-pressure water flow from the high-pressure spray head 3 of the spray pipe 2 and then clean the vacuum suction roller 1, so that the blockage phenomenon of the vacuum suction roller 1 is reduced. And by turning on the motor 533, the motor 533 is brought to the spur rack 541 through the crank 542 and the rocker 543 to perform reciprocating linear motion, so that the driving ring 52 is driven by the driving gear 532 and the circular rack 531 to perform reciprocating forward and backward rotation, and finally the spraying pipe 2 located between the two driving rings 52 can perform reciprocating spraying on the peripheral side of the vacuum suction and suction roller 1, thereby improving the cleaning effect on the vacuum spraying pipe 2.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (3)
1. A vacuum suction roll washing system for a papermaking machine, characterized by: the device comprises a spray pipe (2) which is arranged on one side of a vacuum suction shifting roller (1) and is parallel to the vacuum suction shifting roller (1) in the length direction, a plurality of high-pressure spray heads (3) which are arranged on the spray pipe (2) and face the vacuum suction shifting roller (1), and a high-pressure water feeder (4) which is communicated with the spray pipe (2); the spraying device comprises a supporting seat (51) positioned at two ends of the vacuum suction and shifting roller (1), a driving ring (52) which is rotatably connected to the supporting seat (51) and sleeved on the end part of the vacuum suction and shifting roller (1), and a driving assembly (53) which is arranged between the supporting seat (51) and the driving ring (52) and used for driving the driving ring (52) to reciprocate and rotate forwards and backwards, wherein two ends of the spraying pipe (2) are connected between the two driving rings (52), and the spraying pipe (2) is connected with the high-pressure water supply machine (4) through a hose (6); the end surfaces, close to each other, of the two driving rings (52) are symmetrically provided with connecting grooves (521) extending along the radial direction of the driving rings (52), and a plurality of connecting holes (522) are arranged in the connecting grooves (521); threaded shafts (7) with opposite thread directions are arranged at two ends of the spray pipe (2), a sliding block (8) connected with the connecting groove (521) in a sliding mode is connected to the threaded shafts (7) in a threaded mode, and a positioning block (81) embedded into the connecting hole (522) is arranged at one end, far away from the threaded shafts (7), of the sliding block (8); the spraying directions of the high-pressure spraying heads (3) are tangent to the peripheral side of the vacuum suction shifting roller (1), the spraying directions of the high-pressure spraying heads (3) are parallel to the radial direction of the vacuum suction shifting roller (1), the high-pressure spraying heads (3) with the spraying directions tangent to the peripheral side of the vacuum suction shifting roller (1) and the high-pressure spraying heads (3) with the spraying directions parallel to the radial direction of the vacuum suction shifting roller (1) are arranged in a staggered mode;
the spray pipe (2) comprises a spray pipe body (21) and a plurality of three-way connectors (22) which are arranged on the spray pipe body (21) and used for installing the high-pressure spray heads (3), and metal hoses (9) are arranged between the three-way connectors (22) and the high-pressure spray heads (3);
the spray pipe body (21) is further provided with a reinforcing component (10) for reinforcing the angle of the high-pressure spray head (3), and the reinforcing component (10) comprises a connecting sleeve (101) sleeved on the three-way connector (22), a limiting sleeve (102) arranged on the connecting sleeve (101) and used for the metal hose (9) to pass through, and a fixing part (103) arranged between the connecting sleeve (101) and the three-way connector (22);
connecting sleeve (101) are kept away from be formed with breach (1011) on stop collar (102), are located breach (1011) both sides be formed with connecting portion (1012) on connecting sleeve (101), mounting (103) are including passing two fixing bolt (1031), the threaded connection of connecting portion (1012) are in fixation nut (1032) on fixing bolt (1031).
2. The vacuum pipette roll washing system of a paper machine of claim 1, wherein: the driving assembly (53) comprises a circular ring-shaped rack (531) which is arranged on any one of the driving rings (52) and is coaxial with the driving ring (52), a driving gear (532) which is rotatably connected to the supporting seat (51) and is meshed with the circular ring-shaped rack (531), and a motor (533) which is arranged on the supporting seat (51) and drives the driving gear (532) to reciprocate and rotate positively and negatively through a linkage piece (54), wherein the driving gear (532) and the circular ring-shaped rack (531) have the same tooth number.
3. The vacuum pipette roll washing system of a paper machine of claim 2, wherein: the linkage piece (54) comprises a straight rack (541) which is arranged on the supporting seat (51) in a sliding mode and meshed with the driving gear (532), a crank (542) which is arranged on an output shaft of the motor (533), and a rocker (543) of which two ends are respectively hinged to the straight rack (541) and the crank (542) and are used for driving the straight rack (541) to do reciprocating linear motion, wherein the distance for moving the straight rack (541) is equal to the circumference of the driving gear (532).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711138174.4A CN107740301B (en) | 2017-11-16 | 2017-11-16 | Vacuum suction shifting roller washing system of paper machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711138174.4A CN107740301B (en) | 2017-11-16 | 2017-11-16 | Vacuum suction shifting roller washing system of paper machine |
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| Publication Number | Publication Date |
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| CN107740301A CN107740301A (en) | 2018-02-27 |
| CN107740301B true CN107740301B (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711138174.4A Active CN107740301B (en) | 2017-11-16 | 2017-11-16 | Vacuum suction shifting roller washing system of paper machine |
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| CN (1) | CN107740301B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115780367A (en) * | 2022-11-30 | 2023-03-14 | 桐乡市富鸿塑业股份有限公司 | Spraying type pretreatment device for surface of plastic part and using method |
| CN116428607B (en) * | 2023-06-14 | 2023-10-20 | 浙江程润云环境科技有限公司 | Denitration anti-blocking air preheater method and system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2131892Y (en) * | 1992-07-23 | 1993-05-05 | 扬森 | Reciprocative flusher |
| CN2735129Y (en) * | 2004-08-13 | 2005-10-19 | 赵宏图 | Combined pipe fitting |
| EP1947237A3 (en) * | 2006-11-21 | 2009-05-20 | Klaus Bartelmuss | Device for bracing a filter band, felt band or paper band located in a facility for making paper |
| CN201747682U (en) * | 2010-07-29 | 2011-02-16 | 苏贻新 | Electric waving fan |
| CN202144142U (en) * | 2011-07-29 | 2012-02-15 | 佛山运城压纹制版有限公司 | Roller cleaning device |
| CN203757256U (en) * | 2014-02-13 | 2014-08-06 | 天津商业大学 | Three-way structure protecting component |
| CN204238064U (en) * | 2014-11-28 | 2015-04-01 | 福建省三明市三洋造纸机械设备有限公司 | A kind of automatic cleaning spraying device of wash engine |
| CN204953481U (en) * | 2015-09-10 | 2016-01-13 | 浙江迦南科技股份有限公司 | Device is spouted to purge chamber side |
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Denomination of invention: A vacuum suction roll flushing system for paper machine Effective date of registration: 20211126 Granted publication date: 20200602 Pledgee: Zhejiang Shaoxing Ruifeng Rural Commercial Bank Co.,Ltd. Huashe sub branch Pledgor: ZHEJIANG HUAYU PAPER Co.,Ltd. Registration number: Y2021330002357 |
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