CN107805967A - Mobile vacuum roller roll body aspirating hole cleaning device - Google Patents
Mobile vacuum roller roll body aspirating hole cleaning device Download PDFInfo
- Publication number
- CN107805967A CN107805967A CN201610833188.7A CN201610833188A CN107805967A CN 107805967 A CN107805967 A CN 107805967A CN 201610833188 A CN201610833188 A CN 201610833188A CN 107805967 A CN107805967 A CN 107805967A
- Authority
- CN
- China
- Prior art keywords
- roll body
- sealing strip
- seal groove
- aspirating hole
- groove
- 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.)
- Pending
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Classifications
-
- 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
Landscapes
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The present invention relates to papermaking equipment field, specifically a kind of mobile vacuum roller roll body aspirating hole cleaning device, mainly by support base 15, seal groove 3, sealing strip 4, elastic device, wig-wag forms, seal groove 15 is axially fixed in outside vacuum chamber 2, seal groove 3 is arranged on support base 15, sealing strip 4 and elastic device are all arranged in seal groove 3, the inwall of upper surface face vacuum furnace roll body 1 of sealing strip 4, it is characterized in that, wig-wag is mainly made up of mandrel 17 and housing 18, mandrel 17 and housing 18 can move back and forth to axial, mandrel 17 and housing 18 are connected installation with seal groove 3 and vacuum chamber 2 respectively；The Surface Machining radial groove 7 of sealing strip 4, the connection cleaning water lines 9 of radial groove 7.The present invention can be acted on by distribution of the surface radial groove 7 of sealing strip 4 to current and the swing of wig-wag, ensure to have the water of abundance and hydraulic pressure from roll body aspirating hole 6 by, impurity on the inwall of aspirating hole 6 will be accumulated in go out, the inwall of aspirating hole 6 is kept cleaning.
Description
Technical field
The present invention relates to papermaking equipment field, specifically a kind of mobile vacuum roller roll body aspirating hole cleaning device.
Background technology
Vacuum furnace is widely used in the wet end and press section of paper machine, is the nucleus equipment of paper machine, it is mainly by cylinder
The parts such as vacuum tank, bearing support assembly inside shape roll body, roll body form, and roll body surrounds under the support of bearing support assembly
Vacuum chamber rotates, and some vacuum furnaces also carry speed reduction gearing.Dense arrangement is machined with aspirating hole on roll body, aspirating hole from
It is typically smaller, general in 50-100mm or so, these pumping bore dias that the outer surface of roll body penetrates into the inner surface of roll body, depth
20-30% of roll body surface area or so is typically constituted from 3.0-5.0mm or so, aspirating hole total open area.Vacuum inside roll body
Case is contacted by the inner wall sealing of sealing strip and vacuum furnace, the vacuum system outside vacuum tank connection vacuum furnace, and passes through sealing
Being sealed in vacuum tank for bar produces negative pressure, and vacuum tank is using negative pressure by the aspirating hole on roll body to the net that is wrapped in outside roll body
Blanket carries out suction dehydration or absorption page.
Containing impurity such as substantial amounts of filler, fiber fines in the steam for coming from net blanket of vacuum furnace suction, transport for a long time
OK, these impurity will build up in aspirating hole, block aspirating hole so as to cause vacuum furnace pumping efficiency significantly to decline
Or failure.In order to avoid vacuum furnace pumping efficiency declines or fails, the technical measures that current vacuum furnace uses are：Such as Fig. 1 institutes
Show, the vacuum box body outer shaft inside vacuum furnace roll body is to uniform perforate on installation sparge pipe 10, sparge pipe 10 or installs number
The current that cleaning sprayer 11, sparge pipe perforate or the shower nozzle that amount does not wait spray vertically spray to roll body inwall, to the aspirating hole of roll body
Cleaned, sparge pipe and associated components have a certain distance apart from roll body inwall, to ensure that sparge pipe and associated components will not
The current for contacting with the roll body inwall of rotation and scratching roll body inwall and enabling adjacent hole for water spraying to spray are overlapped.Due to true
Empty roller roll body aspirating hole aperture is smaller and depth is relatively deep, roll body quickly rotates relative to sparge pipe again, the current that sparge pipe sprays
Major part is blocked on roller shell inwall, the water that is injected directly into aspirating hole is less, can not ensure aspirating hole depths
Accumulation can be washed away by enough current, and the cleaning action to aspirating hole eyelet is limited, be difficult to thoroughly clean inside eyelet.
Existing vacuum furnace roll body eyelet cleaning technique can slow down or improve accumulation of the impurity in vacuum furnace roll body aspirating hole, but can not
Or be difficult to thoroughly clean, especially when producing the paper containing high filler or impurity, the blocking of vacuum furnace roll body pumping eyelet is even more
Seriously, the product quality problems such as blackening often are produced because of the blocking of vacuum furnace roll body pumping eyelet, causes paper machine normal
Operation, it is necessary to shut down and change vacuum furnace, have a strong impact on the normal production of paper machine.Vacuum furnace roll body aspirating hole after lower machine needs people
Work is cleared up, and according to the of different sizes of roller, every vacuum furnace has hundreds of thousands to individual aspirating holes up to a million, hole-specifically cleared up, and lower machine is true
The cleaning of empty roller roll body aspirating hole will also expend substantial amounts of manpower！
The content of the invention
Lower machine is blocked because roll body is evacuated eyelet to solve vacuum furnace, extends vacuum furnace service life, the present invention provides a kind of
Mobile vacuum roller roll body aspirating hole cleaning device, the cleaning device can effectively, thoroughly clean vacuum furnace roll body aspirating hole, keep away
Exempt to cause to be evacuated hole plug because impurity gathers in aspirating hole inwall, so as to increase substantially the service efficiency of vacuum furnace and in machine
The cycle of operation.
The technical solution adopted for the present invention to solve the technical problems is：The present invention is mainly by support base, seal groove, sealing
Bar, elastic device, wig-wag composition, support base are fixed on outside vacuum furnace vacuum chamber, and seal groove is arranged on support base, close
Between sealing groove both sides external and support base for can axially opposing slip gap coordinate, sealing slot cross-section be slot-type openings structure,
Seal groove notch direction face vacuum furnace roll body inwall, sealing strip and elastic device are all arranged in seal groove, and sealing strip is mounted in
The top of elastic device, the inwall plane clearance of the upper surface face vacuum furnace roll body inwall of sealing strip, two sides and seal groove
Coordinate, for elastic device mounted in sealing trench bottom, elastic device is rubber pneumatic tire or multiple spiral compression springs, it is characterised in that
Wig-wag is mainly made up of housing and mandrel, mandrel is axially reciprocal motion, the mandrel and housing point of wig-wag relative to housing
Installation is not connected with seal groove and vacuum chamber；The multiple radial grooves of Surface Machining of sealing strip face vacuum furnace roll body inwall,
The both ends of each radial groove are interconnected between sealing strip surface-closed, all or part of radial groove, sealing strip surface
Groove pass through connecting pipeline and the rinse water pipeline connection of vacuum furnace；
The invention has the advantages that the sealing strip surface radial groove connection clear water pipeline of the present invention, from water pipe
The flushing water on road is discharged by the distribution of radial groove from the aspirating hole of roll body, into the flushing water before aspirating hole due to always
In sealing state, it is ensured that have abundance water and hydraulic pressure from roll body aspirating hole by, aspirating hole inwall will be accumulated in
The cleaning of aspirating hole inwall is gone out, ensured to upper impurity, avoids vacuum furnace from being evacuated hole plug, can greatly improve the use effect of vacuum furnace
Rate and in the machine cycle of operation.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is vacuum furnace roll body aspirating hole cleaning structure schematic diagram general at present.
Fig. 2 is the axial arrangement schematic diagram of the specific embodiment of the invention 1.
Fig. 3 is the radial structure schematic diagram of the specific embodiment of the invention 1.
Fig. 4 is the axial arrangement schematic diagram of the specific embodiment of the invention 2.
Fig. 5 is the radial structure schematic diagram of the specific embodiment of the invention 2.
1. roll body in figure, 2. vacuum chambers, 3. seal grooves, 4. sealing strips, 5. elastic devices, 6. aspirating holes, 7. radial direction ditches
Groove, 8. connecting pipelines, 9. clear water pipelines, 10. sparge pipes, 11. shower nozzles, 12. bolts, 13. grooves, 14. axial grooves, 15.
Support seat, 16. fixing bolts, 17. piston rods, 18. cylinder bodies.
Embodiment
The specific embodiment of the invention 1 as shown in Figures 2 and 3, it is installed in the roll body 1 of encapsulated vacuum furnace, mainly by supporting
Seat 15, stainless steel seal groove 3, sealing strip 4, elastic device 5, wig-wag composition, support base 15 be carbon fiber high-abrasive material be made,
It is axially fixed in outside vacuum furnace vacuum chamber 2 by interior hexagonal fixing bolt 16, is processed on the outside of the axial two side of seal groove 3
The corresponding site processing boss that groove, support base 15 coordinate with seal groove, seal groove 3 are coordinated by the groove gap of cell body both sides
It is supported on the boss of support base 15.Dense arrangement is machined with aspirating hole 6 on vacuum furnace roll body 1.Bullet under sealing strip 4
Property device 5 use rubber pneumatic tire, the inwall of upper surface face contact vacuum furnace roll body 1, the both sides of sealing strip 4 and the sealing of sealing strip 4
The inwall gap of groove 3 coordinates.The surface of the inwall of 4 face vacuum furnace roll body of sealing strip 1 is uniformly machined with multiple footpaths closed at both ends
To groove 7, connected between each radial groove 7 by axial groove 14, axial groove 14 is clear by connecting pipeline 8 and vacuum furnace
Wash water pipeline 9 connects.The wig-wag of specific embodiment 1 is a kind of hydraulic cylinder, positioned at the right-hand member of seal groove 3, the piston of hydraulic cylinder
Bar 17 is connected with the right-hand member of seal groove 3 by bearing pin, the cylinder body of hydraulic cylinder 18 is fixed on vacuum chamber 2 by bearing pin.
When the vacuum furnace for being provided with specific embodiment 1 as shown in Figures 2 and 3 needs to rinse roll body aspirating hole, first to rubber
The piston rod 17 that hydraulic cylinder was inflated and opened hydraulic cylinder, made to glue pneumatic tyre drives seal groove 3 and the movement of the axial reciprocating of sealing strip 4, close
The surface of strip of paper used for sealing 4 and the contact of the inner wall sealing of roll body 1, open clear water pipeline 9, the flushing water from clear water pipeline 9 passes through axial groove
14 and the distribution of radial groove 7 discharged from the aspirating hole 6 of roll body, due to enter the flushing water before aspirating hole 6 be constantly in it is close
Envelope state, it is ensured that have sufficient water and hydraulic pressure from roll body aspirating hole 6 by so as to which the inwall of aspirating hole 6 will be accumulated in
Upper impurity is gone out；Specific embodiment 1 as shown in Figures 2 and 3, the Surface Machining of sealing strip 4 have radial groove 7, can make and radial direction
The roll body aspirating hole of the position correspondence of groove 7 can obtain relatively long washing time under roller shell rotation status, pass through wig-wag
Swing effect, the aspirating hole of axially different position can be transferred through the water-flow equation of radial groove 7 and obtains preferable developing result.
Specific embodiment 1 as shown in Figures 2 and 3, according to accumulation of impurities situation and the fortune of roll body on the inwall of vacuum furnace roll body aspirating hole 6
Rotary speed, using suitable wig-wag hunting frequency, flushing water pressure and washing time, so that it may ensure that the inwall of aspirating hole 6 is kept
Cleaning, avoids aspirating hole 6 from blocking, so as to increase substantially the service efficiency of vacuum furnace and in the machine cycle of operation.
The specific embodiment of the invention 2 as shown in Figure 4 and Figure 5, its structure and the class of specific embodiment 1 as shown in Figures 2 and 3
Seemingly, equally it is fitted with hydraulic cylinder wig-wag and makes seal groove 3 drive sealing strip 4 to be axially reciprocal the mobile, surface of sealing strip 4 all adding
Work has the radial groove 7 interconnected.Difference mainly has at 2 points：First point, with the phase of specific embodiment 1 shown in Fig. 2 and Fig. 3
Instead, groove and the processing of corresponding boss are processed on the support base 15 of specific embodiment 2 in 3 outer lateral surface of seal groove；Second point,
There is no position limiting structure between the seal groove and sealing strip 4 of specific embodiment 1, and the seal groove 3 of specific embodiment 2 and sealing strip 4
Between be machined with position limiting structure, its position limiting structure is formed by bolt 12 and groove 13, the side wall of seal groove 3 installation bolt from outside to inside
12, the bolt head that bolt 12 exposes inwall through side wall forms boss, and the corresponding site of the side of sealing strip 4 processes groove 13,
The groove width of groove 13 is more than the diameter of bolt 12, sealing strip 4 is had certain range in seal groove 3.
Liquidated the distribution of wash water stream and the swing effect of hydraulic cylinder by radial groove 7, peace consistent with specific embodiment 1
Vacuum furnace roll body aspirating hole 6 equipped with specific embodiment 2 can obtain preferable developing result, ensure that aspirating hole inwall keeps clear
It is clean.The sealing strip of specific implementation 1 touches wiping because long-term and roll body is inscribed, and sealing strip can gradually wear out, need periodic inspection to carry out
Change, and have corresponding boss and groove 13 on the seal groove 3 and sealing strip of specific embodiment 2 respectively, when sealing strip 4 and roller
The inwall contact wear of body 1 to a certain extent when, boss produces stop to the bottom of groove 13, makes in the surface of sealing strip 4 and roll body 1
Wall reaches a kind of sealing state of critical contact, and ensure that the sealing property between sealing strip 4 and inwall turn avoid sealing strip 4
Be further worn out, sealing strip can be made long-term use of inside roll body.
The specific embodiment of the invention 1 and specific embodiment 2, can make roll body aspirating hole 6 obtain good developing result,
Ensure that aspirating hole 6 inwall keeps cleaning, avoid aspirating hole 6 from blocking, so as to increase substantially the service efficiency of vacuum furnace and in machine
The cycle of operation.
Claims (2)
- A kind of 1. mobile vacuum roller roll body aspirating hole cleaning device, mainly by being filled by support base, seal groove, sealing strip, elasticity Put, wig-wag composition, support base is fixed on outside vacuum furnace vacuum chamber, and seal groove is arranged on support base, outside seal groove Between both sides and support base for can axially opposing slip gap coordinate, sealing slot cross-section be slot-type openings structure, seal groove groove Mouth direction face vacuum furnace roll body inwall, sealing strip and elastic device are all arranged in seal groove, and sealing strip is mounted in elastic device Top, the inwall plane clearance of the upper surface face vacuum furnace roll body inwall of sealing strip, two sides and seal groove coordinates, elasticity Device is mounted in sealing trench bottom, and elastic device is rubber pneumatic tire or multiple spiral compression springs, it is characterised in that wig-wag is main Be made up of housing and mandrel, mandrel and housing can move back and forth to axial, the mandrel and housing of wig-wag respectively with seal groove Installation is connected with vacuum chamber.
- 2. mobile vacuum roller roll body aspirating hole cleaning device according to claim 1, it is characterised in that sealing strip face The multiple radial grooves of Surface Machining of vacuum furnace roll body inwall, the both ends of each radial groove are in sealing strip surface-closed, whole Or it is partially radially interconnected between groove, radial groove passes through connecting pipeline and the rinse water pipeline connection of vacuum furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833188.7A CN107805967A (en) | 2016-09-09 | 2016-09-09 | Mobile vacuum roller roll body aspirating hole cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833188.7A CN107805967A (en) | 2016-09-09 | 2016-09-09 | Mobile vacuum roller roll body aspirating hole cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107805967A true CN107805967A (en) | 2018-03-16 |
Family
ID=61576369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610833188.7A Pending CN107805967A (en) | 2016-09-09 | 2016-09-09 | Mobile vacuum roller roll body aspirating hole cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107805967A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114522788A (en) * | 2022-02-22 | 2022-05-24 | 北京市政建设集团有限责任公司 | Foaming agent with high universality for construction and preparation method thereof |
| CN115354518A (en) * | 2022-08-17 | 2022-11-18 | 安徽天翔高新特种包装材料集团有限公司 | Environment-friendly cigarette tipping paper and preparation system thereof |
-
2016
- 2016-09-09 CN CN201610833188.7A patent/CN107805967A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114522788A (en) * | 2022-02-22 | 2022-05-24 | 北京市政建设集团有限责任公司 | Foaming agent with high universality for construction and preparation method thereof |
| CN114522788B (en) * | 2022-02-22 | 2023-06-02 | 北京市政建设集团有限责任公司 | Foaming agent with high universality for construction and preparation method thereof |
| CN115354518A (en) * | 2022-08-17 | 2022-11-18 | 安徽天翔高新特种包装材料集团有限公司 | Environment-friendly cigarette tipping paper and preparation system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180316 |