CN106904877A - A kind of flange - Google Patents
A kind of flange Download PDFInfo
- Publication number
- CN106904877A CN106904877A CN201710204957.1A CN201710204957A CN106904877A CN 106904877 A CN106904877 A CN 106904877A CN 201710204957 A CN201710204957 A CN 201710204957A CN 106904877 A CN106904877 A CN 106904877A
- Authority
- CN
- China
- Prior art keywords
- parts
- flange
- graphene powder
- density polyethylene
- glass fibre
- 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/28—Polysaccharides or derivatives thereof
- C04B26/285—Cellulose or derivatives thereof
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of flange, the flange is in parts by mass, consisting of 0.5~2.5 part of 25~60 parts of high density polyethylene (HDPE), 10~30 parts of glass fibre, butyl or propyl group cellulose acetate, 25~35 parts of graphene powder, crush and uniformly compressing with steel wire after mixing.The granularity of described graphene powder is 40~60 μm.The flange that the present invention is provided has lightweight, high mechanical properties, corrosion-resistant, anti-aging, resistant to elevated temperatures advantage, effectively avoids the danger that flange is broken when in use, substantially increases the reliability that flange is used.
Description
Technical field
The invention belongs to mechanical equipment technical field, it is related to a kind of pipe connecting part, more particularly to a kind of flange.
Background technology
Flange is the machine components for being bolted together two parts, is the most frequently used pipe connection portion in industry
Part, is also commonly used in machinery equipment.Flange as connector be widely used in oil, chemical industry, nuclear power station, food manufacturing,
The industries such as building, shipbuilding, papermaking and medicine.There are different uses in different industries.It is currently used for the flange of pipeline connection
It is made up of metal or nonmetallic materials more, including forged steel, carbon steel, cast steel, stainless steel, steel alloy, copper, plastics, argon press against drip, PPC
Etc..
In the prior art, Chinese invention patent CN1238652C, it is entitled：Nonmetallic flange, discloses one kind
Nonmetallic flange disc, by high density polyethylene (HDPE), glass fibre, butyl or propyl group cellulose acetate according to it is following proportioning mixing after with
Steel wire is made in the steps below:Proportioning:High density polyethylene (HDPE):25-60 parts；Glass fibre:10-30 parts；Butyl or propyl group vinegar
Acid cellulose:0.5-2.5 parts；Step:The first step, takes high density polyethylene (HDPE), glass fibre, butyl or propyl group acetic acid fine by proportioning
Dimension element；Mixed after above-mentioned material is crushed, be placed in comminutor and granulate；Second step, first step gained granular materials is dried
Dry-cure, 100 DEG C -140 DEG C of temperature；3rd step, previously prepared wire netting is placed in ring flange film tool chamber, by second step institute
Obtain after thing is placed in film tool and close film, compressing by forcing press, pressure is 100-150MPa；Dwell time is 100-150 seconds
After open film take out be finished product.Although the deficiency of metal flange presence is solved, while being served to environmental protection positive
Social benefit.But, due to having used plastic material so that flange is easily aging, the bonding strength of flange can be reduced a lot.Such as
The performance what solves nonmetallic flange turns into nonmetallic flange research direction.
The content of the invention
Technical problem：It is an object of the invention to provide a kind of corrosion-resistant anti-aging high temperature resistant in view of the shortcomings of the prior art
Flange.
Technical scheme：To achieve the above object, the present invention provides following technical scheme：
The present invention provide a kind of flange, the flange in parts by mass, consisting of 25~60 parts of high density polyethylene (HDPE), glass
0.5~2.5 part of 10~30 parts of glass fiber, butyl or propyl group cellulose acetate, 25~35 parts of graphene powder, crush and uniformly mix
It is compressing with steel wire after conjunction.
Preferably, the flange in parts by mass, consisting of 35 parts of high density polyethylene (HDPE), 15 parts of glass fibre, butyl or
1.8 parts of propyl group cellulose acetate, 30 parts of graphene powder.
Preferably, the flange in parts by mass, consisting of 35 parts of high density polyethylene (HDPE), 15 parts of glass fibre, propyl group vinegar
1.8 parts of acid cellulose, 30 parts of graphene powder.
Preferably, the granularity of described graphene powder is 40~60 μm.
Beneficial effect：Compared with prior art, the beneficial effects of the invention are as follows：
1. the flange that the present invention is provided uses the multiaspect attribute of Graphene, i.e. electric conductivity, translucency, barrier, intensity etc.,
By adding graphene powder, the granularity of graphene powder is 40~60 μm, then makes flange strong by techniques such as mixing, post processings
Spend and bear high-temperature behavior be improved significantly, improve the anti-aging bad shortcoming of flange of the prior art, expand flange
The scope of application.
2. the flange that the present invention is provided has lightweight, high mechanical properties, corrosion-resistant, anti-aging, resistant to elevated temperatures advantage, has
What is imitated avoids the danger that flange is broken when in use, substantially increases the reliability that flange is used.
3. the flange that the present invention is provided can for a long time be used in high-temperature service, can significantly extend product service life,
Reduce the number of times for changing part.
Specific embodiment
A kind of flange of the invention, the flange in parts by mass, consisting of 25~60 parts of high density polyethylene (HDPE), glass fibers
10~30 parts of dimension, butyl or 0.5~2.5 part of propyl group cellulose acetate, 25~35 parts of graphene powder, crush and uniformly after mixing
It is compressing with steel wire.
The above-mentioned specific preparation process of flange of the present invention is as follows：
Step one, takes 25~60 parts of raw material high density polyethylene (HDPE), 10~30 parts of glass fibre, butyl or propyl group acetate fiber
Plain 0.5~2.5 part, 25~35 parts of graphene powder, crush and granulation in comminutor are placed in after uniformly mixing；
Step 2, drying and processing is carried out under the conditions of being 100~200 DEG C in temperature by step one gained particle；
Step 3, wire netting is placed in flange mold cavity, film is closed after step 2 gains are placed in mould, by pressure
Power machine is compressing, and pressure is 100~150MPa；Dwell time is 100~150 seconds；
Finished product is taken out in step 4, die sinking, is got product after shaping, cooling spray painting.
Embodiment 1
In the present embodiment flange in parts by mass, 25 parts of high density polyethylene (HDPE), 10 parts of glass fibre, butylacetic acid cellulose
0.5 part, 25 parts of graphene powder, crush and uniformly compressing with steel wire after mixing.
The preparation method of flange of the present invention, comprises the following steps：
Step one, takes 25 parts of raw material high density polyethylene (HDPE), 10 parts of glass fibre, 0.5 part of butylacetic acid cellulose, Graphene
25 parts of powder, crushes and granulation in comminutor is placed in after uniformly mixing；
Step 2, drying and processing is carried out under the conditions of being 100 DEG C in temperature by step one gained particle；
Step 3, wire netting is placed in flange mold cavity, film is closed after step 2 gains are placed in mould, by pressure
Power machine is compressing, and pressure is 100MPa；Dwell time is 100 seconds；
Finished product is taken out in step 4, die sinking, and flange finished product is obtained final product after shaping, cooling spray painting.
The tensile strength of flange manufactured in the present embodiment is 122MPa, and compressive strength is 263MPa, and bending strength is
218MPa。
Embodiment 2
In the present embodiment flange in parts by mass, consisting of 60 parts of high density polyethylene (HDPE), 30 parts of glass fibre, propyl group vinegar
2.5 parts of acid cellulose, 35 parts of graphene powder, crush and uniformly compressing with steel wire after mixing.
The preparation method of flange of the present invention, comprises the following steps：
Step one, takes 60 parts of raw material high density polyethylene (HDPE), 30 parts of glass fibre, 2.5 parts of propyl group cellulose acetate, Graphene
35 parts of powder, crushes and granulation in comminutor is placed in after uniformly mixing；
Step 2, drying and processing is carried out under the conditions of being 200 DEG C in temperature by step one gained particle；
Step 3, wire netting is placed in flange mold cavity, film is closed after step 2 gains are placed in mould, by pressure
Power machine is compressing, and pressure is 150MPa；Dwell time is 150 seconds；
Finished product is taken out in step 4, die sinking, is got product after shaping, cooling spray painting.
The tensile strength of flange manufactured in the present embodiment is 132MPa, and compressive strength is 273MPa, and bending strength is
228MPa。
Embodiment 3
In the present embodiment flange in parts by mass, consisting of 35 parts of high density polyethylene (HDPE), 15 parts of glass fibre, butyl vinegar
1.8 parts of acid cellulose, 30 parts of graphene powder, crush and uniformly compressing with steel wire after mixing.
The preparation method of flange of the present invention, comprises the following steps：
Step one, takes 35 parts of raw material high density polyethylene (HDPE), 15 parts of glass fibre, 1.8 parts of butylacetic acid cellulose, Graphene
30 parts of powder, crushes and granulation in comminutor is placed in after uniformly mixing；
Step 2, drying and processing is carried out under the conditions of being 150 DEG C in temperature by step one gained particle；
Step 3, wire netting is placed in flange mold cavity, film is closed after step 2 gains are placed in mould, by pressure
Power machine is compressing, and pressure is 120MPa；Dwell time is 120 seconds；
Finished product is taken out in step 4, die sinking, is got product after shaping, cooling spray painting.
The tensile strength of flange manufactured in the present embodiment is 142MPa, and compressive strength is 283MPa, and bending strength is
238MPa。
The above, is only presently preferred embodiments of the present invention, and any limitation is not done to the present invention, every according to invention skill
Any simple modification, change and equivalent structure change that art is substantially made to above example, still fall within the technology of the present invention
In the protection domain of scheme.
Claims (4)
1. a kind of flange, it is characterised in that the flange in parts by mass, consisting of 25~60 parts of high density polyethylene (HDPE),
0.5~2.5 part of 10~30 parts of glass fibre, butyl or propyl group cellulose acetate, 25~35 parts of graphene powder, crush
And it is compressing with steel wire after uniformly mixing.
2. flange according to claim 1, it is characterised in that：The flange in parts by mass, consisting of high-density polyethylene
1.8 parts of 35 parts of alkene, 15 parts of glass fibre, butyl or propyl group cellulose acetate, 30 parts of graphene powder.
3. flange according to claim 1, it is characterised in that：The flange in parts by mass, consisting of high-density polyethylene
35 parts of alkene, 15 parts of glass fibre, 1.8 parts of the third cellulose acetate, 30 parts of graphene powder.
4. flange according to claim 1, it is characterised in that：The granularity of described graphene powder is 40~60 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710204957.1A CN106904877A (en) | 2017-03-31 | 2017-03-31 | A kind of flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710204957.1A CN106904877A (en) | 2017-03-31 | 2017-03-31 | A kind of flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106904877A true CN106904877A (en) | 2017-06-30 |
Family
ID=59194943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710204957.1A Pending CN106904877A (en) | 2017-03-31 | 2017-03-31 | A kind of flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106904877A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1525095A (en) * | 2003-09-17 | 2004-09-01 | 张思忠 | Nonmetal flange |
| CN103304887A (en) * | 2012-03-06 | 2013-09-18 | 上海杰事杰新材料(集团)股份有限公司 | Graphene-modified high-strength conductive polypropylene particles and preparation method thereof |
| CN104479205A (en) * | 2014-12-09 | 2015-04-01 | 宁波大学 | Injection molding method of graphene-modified polyethylene high-strength composite thin product |
| CN106476241A (en) * | 2016-12-07 | 2017-03-08 | 北京化工大学 | A kind of method and device for improving ultra-high molecular weight polyethylene plasticizing and transportation performance |
-
2017
- 2017-03-31 CN CN201710204957.1A patent/CN106904877A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1525095A (en) * | 2003-09-17 | 2004-09-01 | 张思忠 | Nonmetal flange |
| CN103304887A (en) * | 2012-03-06 | 2013-09-18 | 上海杰事杰新材料(集团)股份有限公司 | Graphene-modified high-strength conductive polypropylene particles and preparation method thereof |
| CN104479205A (en) * | 2014-12-09 | 2015-04-01 | 宁波大学 | Injection molding method of graphene-modified polyethylene high-strength composite thin product |
| CN106476241A (en) * | 2016-12-07 | 2017-03-08 | 北京化工大学 | A kind of method and device for improving ultra-high molecular weight polyethylene plasticizing and transportation performance |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170630 |
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| RJ01 | Rejection of invention patent application after publication |