CN107805968A - Limit-type vacuum furnace roll body aspirating hole cleaning device - Google Patents
Limit-type vacuum furnace roll body aspirating hole cleaning device Download PDFInfo
- Publication number
- CN107805968A CN107805968A CN201610833189.1A CN201610833189A CN107805968A CN 107805968 A CN107805968 A CN 107805968A CN 201610833189 A CN201610833189 A CN 201610833189A CN 107805968 A CN107805968 A CN 107805968A
- Authority
- CN
- China
- Prior art keywords
- sealing strip
- inwall
- roll body
- vacuum furnace
- 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
-
- 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
- B08B3/022—Cleaning travelling work
-
- 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)
Abstract
The present invention relates to papermaking equipment field, specifically a kind of limit-type vacuum furnace roll body aspirating hole cleaning device, mainly it is made up of seal groove 3, sealing strip 4, elastic device 5, seal groove 3 is fixed on outside vacuum chamber 2, sealing strip 4 and elastic device 5 are all arranged in seal groove, the inwall of upper surface face vacuum furnace roll body 1 of sealing strip 4, the Surface Machining axial groove 7 of sealing strip 4, the connection cleaning water lines 9 of axial groove 7, elastic device 5 is mounted in sealing trench bottom.Characterized in that, the inwall of seal groove 3 has the projection higher than inwall plane, the two sides of sealing strip 4 process groove 13, and the position of groove 13 is corresponding with projection.Present invention can ensure that have abundance water and hydraulic pressure from roll body aspirating hole 6 by, impurity on the inwall of aspirating hole 6 will be accumulated in go out, ensure the cleaning of the inwall of aspirating hole 6, avoid blocking；Raised and groove 13 can make sealing strip 4 obtain longer service life, so as to greatly improve the service efficiency of vacuum furnace and in the machine cycle of operation.
Description
Technical field
The present invention relates to papermaking equipment field, specifically a kind of limit-type vacuum furnace 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
Limit-type vacuum furnace 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 seal groove, sealing strip, elasticity
Device forms, and sealing slot cross-section is slot-type openings structure, is axially fixed in outside vacuum furnace vacuum chamber, 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 coordinates, sealing strip face
The Surface Machining axial groove of vacuum furnace roll body inwall, bottom, both ends and the both sides of groove are closed, and axial groove passes through communicating pipe
Road and the rinse water pipeline connection of vacuum furnace, for elastic device mounted in sealing trench bottom, elastic device is rubber pneumatic tire or multiple spiral shells
Revolve compression spring.Characterized in that, seal groove inwall has the projection higher than inwall plane, projection is direct on sealing strip inwall
Processing is formed or formed in sealing strip side wall upper mounting component；Sealing strip two sides process groove, groove location and sealing strip
Inwall raised position is corresponding.
The invention has the advantages that the sealing strip surface axial groove connection clear water pipeline of the present invention, from water pipe
The flushing water on road is discharged by the distribution of axial 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 structural representation of the specific embodiment of the invention 1.
1. roll body in figure, 2. vacuum chambers, 3. seal grooves, 4. sealing strips, 5. elastic devices, 6. aspirating holes, 7. axial ditches
Groove, 8. connecting pipelines, 9. clear water pipelines, 10. sparge pipes, 11. shower nozzles, 12. bolts, 13. grooves.
Embodiment
The specific embodiment of the invention as shown in Figure 2, it is installed in the roll body 1 of encapsulated vacuum furnace, is mainly sealed by stainless steel
Groove 3, sealing strip 4, elastic device 5 form, and the section of seal groove 3 is slot-type openings structure, seal groove 3 axially through being bolted to
Outside vacuum furnace vacuum chamber 2, the inwall of opening direction face vacuum furnace roll body 1, dense arrangement, which is machined with, on vacuum furnace roll body 1 takes out
Stomata 6.Elastic device 5 under sealing strip 3 uses rubber pneumatic tire, the upper surface face contact vacuum furnace roller of sealing strip 4
The inwall gap of the inwall of body 1, the both sides of sealing strip 4 and seal groove 3 coordinates, and sealing strip 4 is made using wear-resistant macromolecule material.Sealing
The Surface Machining surrounding of the inwall of 4 face vacuum furnace roll body of bar 1 and the axial groove 7 of bottom lock, axial groove 7 pass through communicating pipe
Road 8 connects with the cleaning water lines 9 of vacuum furnace.Groove side wall installation bolt 12 from outside to inside, expose inwall through side wall
Bolt head forms boss, the corresponding site processing groove 13 of sealing strip side, and the groove width of groove 13 is more than the diameter of bolt 12,
Sealing strip 4 is set to have certain range in seal groove 3.
When the vacuum furnace for being provided with this specific embodiment needs to rinse roll body aspirating hole, inflated first to rubber pneumatic tire,
Make surface and the contact of the inner wall sealing of roll body 1 of sealing strip 4, open clear water pipeline 9, the flushing water from clear water pipeline 9 passes through axle
Distribution to groove 7 is discharged from the aspirating hole 6 of roll body, due to being constantly in sealing state into the flushing water before aspirating hole 6,
It can ensure have the water of abundance and hydraulic pressure from roll body aspirating hole 6 by being rushed so as to which impurity on the inwall of aspirating hole 6 will be accumulated in
Go out, the accumulation situation according to impurity on the inwall of aspirating hole 6, using suitable roll body rotating speed, flushing water pressure and washing time, protect
The cleaning of the inwall of aspirating hole 6 is demonstrate,proved, avoids aspirating hole 6 from blocking；Have respectively on the seal groove 3 and sealing strip of the specific embodiment of the invention
Corresponding boss and groove 13, when sealing strip 4 and the inwall contact wear of roll body 1 to a certain extent when, boss is to groove 13
Bottom produces stop, the surface of sealing strip 4 and the inwall of roll body 1 is reached a kind of sealing state of critical contact, and ensure that sealing
Sealing property between bar 4 and inwall turn avoid being further worn out for sealing strip 4, sealing strip can be made to make for a long time inside roll body
With.The specific embodiment of the invention, you can so that roll body aspirating hole 6 obtains good developing result, can obtain sealing strip 4 again
Longer service life, so as to increase substantially the service efficiency of vacuum furnace and in the machine cycle of operation.
Claims (3)
1. a kind of limit-type vacuum furnace roll body aspirating hole cleaning device, is mainly made up of seal groove, sealing strip, elastic device, close
Sealing groove section is slot-type openings structure, is axially fixed in outside vacuum furnace vacuum chamber, seal groove notch direction face vacuum furnace
Roll body inwall, sealing strip and elastic device all be arranged on seal groove in, sealing strip be mounted in elastic device top, sealing strip it is upper
The inwall gap of surface face vacuum furnace roll body inwall, sealing strip both sides and seal groove coordinates, sealing strip face vacuum furnace roll body
The Surface Machining axial groove of inwall, bottom, both ends and the both sides of groove are closed, and axial groove passes through connecting pipeline and vacuum furnace
Rinse water pipeline connection, for elastic device mounted in sealing trench bottom, elastic device is rubber pneumatic tire or multiple spiral compression springs,
Characterized in that, seal groove inwall has the projection higher than inwall plane, sealing strip two sides processing groove.
2. limit-type vacuum furnace roll body aspirating hole cleaning device according to claim 1, it is characterised in that sealing strip inwall
It is upper raised for directly processing is formed or formed in sealing strip side wall upper mounting component on sealing strip inwall.
3. limit-type vacuum furnace roll body aspirating hole cleaning device according to claim 1, it is characterised in that sealing strip both sides
Face groove location is corresponding with sealing strip inwall raised position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833189.1A CN107805968A (en) | 2016-09-09 | 2016-09-09 | Limit-type vacuum furnace roll body aspirating hole cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833189.1A CN107805968A (en) | 2016-09-09 | 2016-09-09 | Limit-type vacuum furnace roll body aspirating hole cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107805968A true CN107805968A (en) | 2018-03-16 |
Family
ID=61576347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610833189.1A Pending CN107805968A (en) | 2016-09-09 | 2016-09-09 | Limit-type vacuum furnace roll body aspirating hole cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107805968A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096239A (en) * | 2020-09-26 | 2020-12-18 | 广东恒锋装饰工程有限公司 | Energy-saving heat-insulating door and window |
-
2016
- 2016-09-09 CN CN201610833189.1A patent/CN107805968A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096239A (en) * | 2020-09-26 | 2020-12-18 | 广东恒锋装饰工程有限公司 | Energy-saving heat-insulating door and window |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180316 |
|
| WD01 | Invention patent application deemed withdrawn after publication |