CN108474476A - Spiral winding pads - Google Patents
Spiral winding pads Download PDFInfo
- Publication number
- CN108474476A CN108474476A CN201580085532.2A CN201580085532A CN108474476A CN 108474476 A CN108474476 A CN 108474476A CN 201580085532 A CN201580085532 A CN 201580085532A CN 108474476 A CN108474476 A CN 108474476A
- Authority
- CN
- China
- Prior art keywords
- test film
- packing material
- weight
- spiral winding
- inorfil
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 title claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 129
- 238000012856 packing Methods 0.000 claims abstract description 68
- 238000012360 testing method Methods 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 239000000835 fiber Substances 0.000 claims description 59
- 239000011490 mineral wool Substances 0.000 claims description 9
- 239000000945 filler Substances 0.000 abstract description 8
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 238000011156 evaluation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000007789 sealing Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 239000010445 mica Substances 0.000 description 3
- 229910052618 mica group Inorganic materials 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000005871 repellent Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000000454 talc Substances 0.000 description 3
- 235000012222 talc Nutrition 0.000 description 3
- 229910052623 talc Inorganic materials 0.000 description 3
- 238000004073 vulcanization Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 150000008430 aromatic amides Chemical class 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 231100000749 chronicity Toxicity 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 239000013464 silicone adhesive Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 241000243251 Hydra Species 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- -1 aluminium Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 206010061592 cardiac fibrillation Diseases 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002600 fibrillogenic effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910000856 hastalloy Inorganic materials 0.000 description 1
- TVHALOSDPLTTSR-UHFFFAOYSA-H hexasodium;[oxido-[oxido(phosphonatooxy)phosphoryl]oxyphosphoryl] phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O TVHALOSDPLTTSR-UHFFFAOYSA-H 0.000 description 1
- QRXWMOHMRWLFEY-UHFFFAOYSA-N isoniazide Chemical compound NNC(=O)C1=CC=NC=C1 QRXWMOHMRWLFEY-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/12—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
- Sealing Material Composition (AREA)
Abstract
Even if the present invention provide it is a kind of for a long time after use under high-temperature atmosphere if can play leakproofness, and the spiral winding liner that the possibility that filler can also be made to lose is small.Spiral winding liner has packing material and hoop overlapping material, and the gasket body that its spooling is formed for spiral winding shape, the packing material are made of the sheet material for having blended inorfil；It is long side 30mm × short side 15mm from packing material acquisition size, the cuboid test film of 0.5 ± 0.05mm of thickness, after the test film is heated 96 hours at 500 DEG C, by the test film placing after heating so that short side is parallel with stick on two sticks of interval 14mm, and the center of test film is Chong Die with the center at aforementioned interval, the heavy 1g's of the center placing of test film, size is the counterweight of the cuboid of short side 9mm × long side 15mm or more, so that the orthogonality of center shaft of the respective long side of test film and counterweight, when test film can keep not rupturing for 5 seconds~10 seconds, intensity is set to 1g, the counterweight of further placing 1g, it repeats to be kept for 5 seconds~10 seconds, when the weight of counterweight before test film will be remained to will rupturing is set to the intensity of packing material, intensity is in 9g or more.
Description
Technical field
The present invention relates to spiral winding liner, it is related to the filling material for using inorfil as gasket body in further detail
The spiral winding of material pads.
Background technology
Used spiral winding liner (SWG) is formed as structure as shown in Figure 1 under high temperature and pressure.That is, being twined in spiral
In liner, packing material 1 and hoop material 2 are overlapped, and spooling is spiral winding shape, only hoop material 2 is used to play spooling
Beginning portion and spooling terminate portion and carry out 2~3 weeks blank coil (Japaneses：Blank coil I), it is fixed by spot welding etc., forms gasket body
10；The hoop material 2 is made of the metal strip that section is the shapes such as V words.
Then, by being fitted and fixed with the interior ring structure being made of cricoid metallic plate on the inner peripheral of the gasket body 10
Part 3 is used as ways.By being fitted and fixed with the outer ring being made of cricoid metallic plate on the outer peripheral edge of gasket body 10
Component 4 is used as ways.
It is representative to have expanded graphite sheet (for example, patent document 1 as such packing material：Japanese Patent Laid-Open
2011-144881 bulletins), the sheet material using mica as main body is (for example, patent document 2：Japanese Patent Laid-Open 2007-
No. 127178 bulletins), blended inorfil (for example, patent document 3：Japanese Patent Laid-Open 7-305772 bulletins) piece
Material.
The maximum operation (service) temperature of these packing materials and the leakproofness under long-term heating condition are substantially indicated following
In table.
【Table 1】
| Maximum operation (service) temperature | Leakproofness | |
| Expanded graphite sheet | ~450 DEG C | ◎ |
| Using mica as the sheet material of main body | ~750 DEG C | × |
| The sheet material of inorfil is blended | ~500 DEG C | ○ |
Expanded graphite sheet there are problems that following etc：Difficulty is used under high temperature environment, if exposure is at high temperature,
Oxidation, deterioration can occur, it is narrow as the use scope of the sheet material of main body using mica, lack versatility.
High-temperature area of the sheet material of inorfil until 500 DEG C has been blended to exist with the leakproofness in high region
The problem of advantage, but deposit at high temperature when used for a long time, leakproofness reduces etc.
The prior art
Patent document
Patent document 1：Japanese Patent Laid-Open 2011-144881 bulletins
Patent document 2：Japanese Patent Laid-Open 2007-127178 bulletins
Patent document 3：Japanese Patent Laid-Open 7-305772 bulletins
Invention content
The technical problems to be solved by the invention
Based on such situation, the present invention is the invention completed in view of the problems of the prior art point above-mentioned, to carry
Even if leakproofness can be played if for after use under one kind long term high temperature atmosphere, and the possibility that filler can also be made to lose is small
Spiral winding pads as a purpose.
Technical scheme applied to solve the technical problem
The factor that the leakproofness of spiral winding liner reduces generally considers mechanism below：
(i) the contact surface leakage between liner and ring flange,
(ii) it is leaked by penetrating inside packing material,
(iii) it is leaked by the penetrating for interface of packing material and hoop material.
Especially in the case where spiral winding liner of the sheet material of inorfil as packing material will have been blended, adding
In the case of being used for a long time under heat condition, it is thought of as reducing leakproofness due to (i).
Think the reason for this is that：It is padded in the spiral winding by the way that " sheet material for having blended inorfil " to be used as to packing material
It is used for a long time at high operating temperatures or Repeat-heating cools down, it is viscous in packing material in the case that sheet surface pressure declines
Knot agent ingredient is disappeared due to heat；Then in the case where Binder Composition disappears, the intensity of packing material itself declines, cannot
Keep the shape as packing material of sealing surface；As a result,：Inorfil in packing material etc. is due to negative in pipeline
Pressure or vibration etc. fall off from sealing surface, and leakage paths are formed on the contact surface between liner and ring flange, close to generate
The reduction of envelope property.In addition, in the case where the intensity of packing material declines, because the inorfil to fall off disperses, so also
It is possible that environmental effects.
The present inventor further furthers investigate discovery as a result,：By using following packing material, it can suppress spiral and twine
Filler loses caused by the effect of the external factor such as pipe stress or internal pressure in the use of liner, so as to complete
The present invention；The packing material is filling of the filling intensity after being measured, heated with regulation heating condition in particular range
Material.
The composition of the present invention is as described below：
[1] a kind of spiral winding liner, it, which has, twines by packing material and hoop overlapping material, and by its spooling for spiral
The gasket body formed around shape；
The packing material is made of the sheet material for having blended inorfil；
Cuboid experiment of the size for long side 30mm × short side 15mm, 0.5 ± 0.05mm of thickness is acquired from the packing material
Piece, after which is heated 96 hours at 500 DEG C, by the test film placing after heating interval 14mm two sticks on so that
Short side is parallel with stick, and the center of test film is Chong Die with the center at aforementioned interval, in center placing the weight 1g, size of test film
For the counterweight of the cuboid of short side 9mm × long side 15mm or more, so that the orthogonality of center shaft of the respective long side of test film and counterweight,
When test film can keep not rupturing for 5 seconds~10 seconds, intensity is set to 1g, the counterweight of further placing 1g, repeat to keep 5 seconds~
10 seconds, when the weight for the counterweight that will be remained to before test film will rupture is set to the intensity of packing material, intensity 9g with
On.
[2] described in [1] spiral winding liner in packing material group become 74~85 weight % of inorganic filling material,
2~20 weight % of inorfil, 2~20 weight % of organic fiber, the range of 4~12 weight % of organic bond are (still, total
For 100 weight %).
[3] the spiral winding liner described in [1] or [2] includes rock wool as inorfil.
[4] in the spiral winding liner described in [3], the inorfil of 75 weight % or more is rock wool.
[5] in the spiral winding liner described in any one of [1]~[4], the avarage fiber diameter of inorfil 11~
In the range of 20 μm.
[6] in the spiral winding liner described in any one of [1]~[5], the mean aspect ratio of inorfil is 70~115
In the range of.
The effect of invention
The spiral winding liner of the present invention is because use the filling material with the high filling intensity evaluated under prescribed conditions
Material, so leakproofness under the high temperature conditions when used for a long time is high.
Specifically, after using being heated under rated condition, with packing material more than some strength, as a result,：
High temperature when used for a long time, can inhibit the loss of the packing material caused by the external factor such as internal pressure load, even if in high temperature
Being used for a long time under environment also can be by Fluid Sealing.
Description of the drawings
Fig. 1 is to show the partial section view of spiral winding liner substantially.
Fig. 2 is the schematic diagram for the intensity for measuring packing material.
Specific implementation mode
The spiral winding of the present invention is padded below and is further described.
The spiral winding liner of the present invention is as shown in Figure 1, with being spiral by packing material and hoop overlapping material spooling
The ringed liner main body for winding shape and being formed.
[packing material]
Packing material is made of the sheet material for having blended inorfil.
In the present invention, preferably small (short) and fine using fibre length about the inorfil blended into the filler material
Tie up the fiber of diameter big (thick), that is, the small fiber of length-width ratio.Think：By using the inorfil, inorfil is difficult to roll over
It is disconnected, normality is kept, the intensity as filling is enhanced.
As inorfil, the inorfil other than asbestos can be used, can specifically enumerate ceramic fibre, rock wool, glass fibers
Dimension, titanated fabric etc..As such inorfil, have flexible but without rigidity inorfil ideal, average fibre
A diameter of 20 μm are tieed up hereinafter, preferably 11~20 μm.In addition, the average value of length-width ratio 150 hereinafter, preferably 115 hereinafter, more
Fortunately in the range of 70~115.Average fiber length carries out suitably selected from fibre diameter above-mentioned and length-width ratio.
If using the inorfil of length-width ratio and fibre diameter with the range, defined filling intensity can be obtained.
The shape of inorfil is measured fine by 100 sample observations of microscope pair in the method described in embodiment
It ties up diameter and fiber is long, while acquiring average value, calculate length-width ratio.
In the present invention, the one or two kinds of of such inorfil can also be applied in combination.
In the present invention, from the viewpoint of biological degradability etc., including rock wool will not cause environment as inorfil
Baneful influence, so ideal.The inorfil of 75 weight % or more is that rock wool is more ideal.
Packing material also includes organic fiber simultaneously, inorganic filling material, inorganic preferably in addition to the inorfil
Adhesive and organic bond and the packing material formed.
As organic fiber, the synthetic fibers such as the natural fibers such as plant fiber, aramid fibre, carbonization fibre can be enumerated
Dimension, carbon fiber, graphitized fibre etc..These organic fibers can also one or two kinds of combination of the above use.
When intervolving packing material and hoop material manufacture spiral winding pads, these organic fibers, which play, makes packing material
The effect of the intensity of not broken equal enhancing packing material.Such organic fiber be preferably be rich in flexibility, make it is obtained
The organic fiber that the air-tightness of spiral winding liner does not reduce.Its fibre diameter is 10 μm hereinafter, preferably 0.2 μm or more.For
This, is as such organic fiber, at least one paper pulp shape it is preferable to use after the fibrillation of foregoing fibre diameter
Aramid fibre.
As inorganic filling material, talcum, clay, calcium carbonate, barium sulfate, zinc oxide, titanium oxide, silica can be enumerated
Deng.These inorganic filling materials, which can play, improves interfibrous sealing (air-tightness), the flexibility of packing material, packing material high temperature
When shape retention (compendency) effect, do not disappear playing when high temperature and remaining get off to maintain the work of leakproofness
With.The grain size of such inorganic filling material is preferably small, and specific preferable particle size is 5 μm hereinafter, and below with 1 μm
Particle with 5% present on particle diameter distribution.It in the present invention, preferably will be with the two or more of mutually different particle diameter distribution
Packing material be applied in combination.If the different two or more packing materials of such particle diameter distribution are applied in combination, can obtain
Obtain air-tightness and flexible all excellent liner.
Adhesive is combined with fiber and inorganic filling material, plays raising leakproofness, assigns packing material with mechanical strength
Effect.Organic bond or inorganic bond can, organic bond and inorganic bond can be also applied in combination.Make
For such inorganic bond, can specifically enumerate such as Quadrafos, waterglass.As organic bond, can specifically enumerate
Such as：Elastomer class organic bond, the methyl rich in heat resistance of NBR classes, SBR classes, esters of acrylic acid, fluororubber etc. have
The phenols such as silicone adhesive categories or class phenolic resin water-dispersed such as machine silicon class adhesive, phenyl silicone adhesive category
Adhesive.
Can also include the hydrophobic and oil-repellent of paraffin class etc. as needed into the filler material other than aforesaid ingredients.
If using such hydrophobic and oil-repellent, leakproofness when room temperature can be improved.
In the packing material of the present invention other than aforesaid ingredients, various vulcanizing agents are also can further include, vulcanization promotees
Into agent, vulcanization aid, age resister, colorant etc..
Packing material is 74~85 weight % of inorganic filling material, 2~20 weight % of inorfil, organic fiber 2~20
The packing material of the range (still, adding up to 100 weight %) of weight %, 4~12 weight % of organic bond, because it can be realized
Defined intensity, so ideal.
Include foregoing inorfil and inorganic filling material in packing material used in the present invention, and into one
For step comprising in the case of inorganic bond, the amount to add up to 76~94 weight %, preferably 85~90 weight % includes inorganic
Object (still, comprising inorganic bond, inorganic filling material, inorfil, organic fiber, organic bond with
And inorganic bond adds up to 100 weight %).
Inorfil in packing material is with 2~20 weight %, preferably with 2~19 weight %, spy well with 2~18 weight %
Amount include, and inorfil in 100 parts by weight of total amount of aforementioned inorganic object with it is more than 1.8 parts by weight, preferably with 3.5 weights
Amount part more than amount include.
In addition, into the filler material, inorganic bond and organic bond with add up to 5~20 weight %, preferably 7~
The amount of 17 weight % includes that inorfil and organic fiber are to add up to the amount of 4~20 weight %, preferably 5~15 weight %
Including.
Organic fiber with 2~20 weight %, preferably 2.0~13.7 weight %, particularly preferably 2.0~9.7 weight % amount
Containing ideal into the filler material.
Include filling out for the inorganic matter being made of the inorfil, inorganic bond and inorganic filling material with aforementioned total amount
It is excellent to fill the air-tightness of material at high temperature.In packing material of the inorganic content less than 76 weight %, because organic matter is more, institute
To be decomposed under high temperature, weight substantially reduces, and the sealing effect of adhesive cannot achieve.
As described above, including packing material made of inorfil and organic fiber with the amount for adding up to 3~20 weight %
Required intensity when required intensity and manufacture spiral winding pad when with manufacture packing material.And use is filled out with this
The spiral winding liner of material is filled, leakproofness when room temperature is also excellent, even if being used under high temperature, will not occur because of its thermogravimetric
The case where amount reduces and damages air-tightness.
Packing material can be manufactured by the known method such as copy paper method, such as can manufacture filling as follows with copy paper method
Material：First, using Hai Dela pulper (Japaneses：Hydra pulper) or heater by the organic fiber of specified amount, inorganic
After fiber and inorganic filling material are dispersed in water, organic bond and inorganic bond, the institute as needed of specified amount are added
The various auxiliary materials such as vulcanizing agent, vulcanization accelerator, the water repellent of addition, suitably adjust slurry concentration, are then added as needed on solid
Agent is determined, after organic bond and inorganic bond are adhered to aforementioned fibrous material and inorganic filling material etc., by the slurry of gained
Shape object is successively in cassette for introducing and then paper machine, obtained packing material sheet material.Alternatively, it is also possible to as needed in the copy paper stage
By using agglutinant, to keep the uniform dispersibility of slurry, be diluted to can copy paper concentration, carry out copy paper.
Intensity obtained by the following evaluation of packing material used in the present invention is 9g or more, preferably 10g or more, more preferably
For 11g or more.If using the packing material with such intensity, chronicity sealing in a heated condition becomes possible.Because adding
The intensity of packing material is high after heat, so can also filler be inhibited to lose, realizes chronicity sealing.For the upper limit of intensity, as long as
It can process, just be not particularly limited.
In order to be adjusted to the filling intensity, containing during fibre diameter, length-width ratio, the fiber of inorfil be long and packing material
Amount becomes important, by using the substance for meeting aforementioned prescribed limit, can be adjusted.
Strength detection
The cuboid test film that size is long side 30mm × short side 15mm, 0.5 ± 0.05mm of thickness is acquired from packing material,
The test film is heated 96 hours for 500 DEG C in air atmosphere.By heating, adhesive and organic fiber disappear.After heating
Test film placing is on the pole of two (diameter is about the stainless steel of 2.4mm (2.4~2.6mm)) of interval 14mm, with examination
Test the rectangular center of the piece mode Chong Die with the center at the interval of aforementioned stick, the placing test film short side.
The counterweight for the cuboid that the size of placing weight 1g is short side 9mm × long side 15mm or more at the center of test film,
And make the orthogonality of center shaft of test film and the respective long side of counterweight, when test film can keep not rupturing for 5 seconds, intensity is set to
The counterweight of 1g, further placing 1g repeat to be kept for 5 seconds.If do not ruptured, then the counterweight of 1g is added, repeats the operation kept, when
When test film ruptures, the weight for the counterweight that will be remained to before test film will rupture is set to the strong of the packing material of the present invention
Degree.
Retention time is preferably fixed as 5 seconds, even if more than 5 seconds, as long as being no more than 10 seconds, it is strong not affect measurement
Degree.It can also be kept between 5~10 seconds thus.
As long as the long side 15mm or more of counterweight, is just not particularly limited, usually using the counterweight of 25mm.5 experiments are carried out,
The average value that evaluation is 5 times.
[hoop material]
As aforementioned hoop material, common spiral winding can be used to pad band-like hoop material used.
As the material of hoop material, it is exemplified as：The stainless steels such as SUS304, SUS304L, SUS316, SUS316L steel,
The either elemental metals such as aluminium, heat-resistant corrosion-resistant alloy of chrome-iron-nickel, hastelloy or alloy etc..
The thickness of aforementioned hoop material also can because the size or usage of liner, the conditions difference such as require performance without
Together, but usually it is set at the range of 0.1~0.3mm.
The cross sectional shape of aforementioned hoop material is formed as the linear shape of the bending such as V-shaped or M fonts in addition to can be used
In addition, the arc-shaped or curvilinear shape such as wavy, straight line portion and curved portion combination also can be used to be formed by shape
Shape.
[spiral winding liner]
There is the spiral winding liner of the present invention gasket body, the gasket body to be filled out aforementioned by known method
It fills material and hoop material spooling is formed at spiral winding shape.
In aforementioned gasket body, the packing material other than aforementioned packing material can be also shared.For example, only in inner peripheral portion and
Peripheral part uses aforementioned packing material, and gasket body is formed using previous expanded graphite packing material in central portion.
The spiral winding liner of the present invention can be further provided with such as lower member：It is entrenched in the inner circumferential of aforementioned gasket body
Inner ring ring element and/or be entrenched in aforementioned gasket body periphery outer ring ring element.
The spiral winding liner of the present invention is due to being structure above-mentioned, so can be played under high oxidative atmosphere
Good leakproofness, therefore can be used for the purposes such as petrochemistry sealing material, oil purifying mechanical equipment sealing material.
Embodiment
The spiral winding liner of the present invention is explained in more detail by the following examples, but the present invention is not implemented by these
Any restrictions of example.
The evaluation method ＞ of ＜ fibre diameters, fiber length
The optical microscope photograph of inorfil is shot, diameter and length are measured.
It is long about fiber, the case where fractureing and shorten there are inorfil.For this purpose, the case where carrying out fiber length evaluation
Under, it may appear that wider distribution.In order to exclude these influences, extracts 100 fibers out at random in optical microscope photograph and commented
Valence.Longer preceding 50% data of fiber length after in-service evaluation, as evaluation object (table 2).
Fibre diameter is calculated from the fiber that fiber is grown was evaluated.Respective length-width ratio is also by respective fibre diameter and fiber
It is long to determine.Measured data is documented in following table.Evaluation result is also recorded in following table.
Determining instrument is KEYENCE VHX-D510 (VHX digit microscopes), is 150~200 times of progress with optical power
Evaluation.
[embodiment 1]
Using including inorganic filling material (talc clay etc.)：78 weight %, inorfil (rock wool)：6 weight %, have
Machine fiber (aromatic amides fiber)：8 weight %, organic bond (NBR)：The packing material of 8 weight %.The shape of packing material
State is copy paper, and thickness is 0.5 ± 0.05mm.The average diameter of the fibre diameter of rock wool is 11.05 μm, the average length of fiber length
It is 774.05 μm.In addition, the average value of length-width ratio is 72.48.
In preceding method, repeats to keep counterweight into action in 5 seconds, filling intensity is evaluated.Heating makes adhesive
After disappearing with organic fiber, filling intensity is measured.Heating condition in embodiment and comparative example is that the lower 500 DEG C of progress 96 of air are small
When.
As a result：Filling intensity is 13.0g.
[comparative example 1]
Using including inorganic filling material (talc clay etc.)：78 weight %, inorfil (ceramic fibre)：6 weights
Measure %, organic fiber (aromatic amides fiber)：8 weight %, organic bond (NBR)：The packing material of 8 weight %.Filling
The form of material is copy paper, and thickness is 0.5 ± 0.05mm.The average diameter of the fibre diameter of ceramic fibre is 8.73 μm, fine
The long average a length of 996.50mm of dimension.In addition, the average value of length-width ratio is 117.80.
Similarly to Example 1, filling intensity is evaluated in method above-mentioned.Heating makes adhesive and organic fiber disappear
After mistake, filling intensity is measured.
As a result：Filling intensity is 8.8g.
【Table 2】
Symbol description
1 ... packing material
2 ... hoop materials
3 ... inner ring ring elements
4 ... outer ring ring elements
10 ... gasket bodies
Claims (6)
1. a kind of spiral winding liner, it has packing material and hoop overlapping material, and is spiral winding shape by its spooling
And the gasket body formed, which is characterized in that
The packing material is made of the sheet material for having blended inorfil；
It, will from the cuboid test film that packing material acquisition size is long side 30mm × short side 15mm, 0.5 ± 0.05mm of thickness
After the test film heats 96 hours at 500 DEG C, by the test film placing after heating so that short side on two sticks of interval 14mm
It is parallel with stick, and the center of test film is Chong Die with the center at the interval, test film center placing weight 1g, size be short
The counterweight of the cuboid of side 9mm × long side 15mm or more, so that the orthogonality of center shaft of the respective long side of test film and counterweight, works as examination
When testing piece can keep not rupturing for 5 seconds~10 seconds, intensity is set to 1g, the counterweight of further placing 1g repeats to keep 5 seconds~10
Second, when the weight for the counterweight that will be remained to before test film will rupture is set to the intensity of packing material, intensity is in 9g or more.
2. spiral winding liner as described in claim 1, which is characterized in that the group of packing material becomes inorganic filling material 74
The model of~85 weight %, 2~20 weight % of inorfil, 2~20 weight % of organic fiber, 4~12 weight % of organic bond
It encloses, adds up to 100 weight %.
3. spiral winding liner as claimed in claim 1 or 2, which is characterized in that comprising rock wool as inorfil.
4. spiral winding liner as claimed in claim 3, which is characterized in that the inorfil of 75 weight % or more is rock wool.
5. spiral winding liner as described in any one of claims 1 to 4, which is characterized in that the average fiber of inorfil
Diameter is in the range of 11~20 μm.
6. as spiral winding according to any one of claims 1 to 5 pads, which is characterized in that the average length and width of inorfil
Than in the range of 70~115.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2015/086459 WO2017115400A1 (en) | 2015-12-28 | 2015-12-28 | Spiral wound gasket |
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| CN108474476A true CN108474476A (en) | 2018-08-31 |
| CN108474476B CN108474476B (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201580085532.2A Active CN108474476B (en) | 2015-12-28 | 2015-12-28 | Spiral wound gasket |
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| CN (1) | CN108474476B (en) |
| WO (1) | WO2017115400A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156316A (en) * | 2019-12-23 | 2020-05-15 | 中广核研究院有限公司 | Nonstandard flange sealing gasket for large opening hole and preparation method and sealing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113531121A (en) * | 2021-07-13 | 2021-10-22 | 包头钢铁（集团）有限责任公司 | Tool for extracting packing seal pump packing |
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|---|---|---|---|---|
| JPH07305772A (en) * | 1994-05-11 | 1995-11-21 | Nippon Valqua Ind Ltd | Nonasbestine filler material for spiral gasket |
| CN2577052Y (en) * | 2002-10-09 | 2003-10-01 | 赵晶玮 | Winding spacer |
| JP2007127178A (en) * | 2005-11-02 | 2007-05-24 | Nippon Valqua Ind Ltd | Spiral type gasket |
| JP2011144881A (en) * | 2010-01-15 | 2011-07-28 | Nichias Corp | Spiral gasket |
| CN104204631A (en) * | 2012-03-24 | 2014-12-10 | 日本华尔卡工业株式会社 | Fluorine resin gasket for pipe seal |
| CN104620026A (en) * | 2012-07-06 | 2015-05-13 | 株式会社东芝 | Spiral gasket |
| CN104797872A (en) * | 2012-09-19 | 2015-07-22 | 卡勒克密封技术有限责任公司 | Spiral wound gasket |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0781131B2 (en) * | 1991-04-11 | 1995-08-30 | 日本ピラー工業株式会社 | Spiral gasket filler material |
| JP4423265B2 (en) * | 2006-01-10 | 2010-03-03 | 日本ピラー工業株式会社 | Spiral wound gasket |
| JP5922917B2 (en) * | 2011-12-05 | 2016-05-24 | ニチアス株式会社 | Wound gasket and method for manufacturing wound gasket |
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- 2015-12-28 CN CN201580085532.2A patent/CN108474476B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07305772A (en) * | 1994-05-11 | 1995-11-21 | Nippon Valqua Ind Ltd | Nonasbestine filler material for spiral gasket |
| CN2577052Y (en) * | 2002-10-09 | 2003-10-01 | 赵晶玮 | Winding spacer |
| JP2007127178A (en) * | 2005-11-02 | 2007-05-24 | Nippon Valqua Ind Ltd | Spiral type gasket |
| JP2011144881A (en) * | 2010-01-15 | 2011-07-28 | Nichias Corp | Spiral gasket |
| CN104204631A (en) * | 2012-03-24 | 2014-12-10 | 日本华尔卡工业株式会社 | Fluorine resin gasket for pipe seal |
| CN104620026A (en) * | 2012-07-06 | 2015-05-13 | 株式会社东芝 | Spiral gasket |
| CN104797872A (en) * | 2012-09-19 | 2015-07-22 | 卡勒克密封技术有限责任公司 | Spiral wound gasket |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156316A (en) * | 2019-12-23 | 2020-05-15 | 中广核研究院有限公司 | Nonstandard flange sealing gasket for large opening hole and preparation method and sealing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108474476B (en) | 2020-03-06 |
| WO2017115400A1 (en) | 2017-07-06 |
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