CN106763096A - A kind of clad type anticorrosion fastening bolt - Google Patents
A kind of clad type anticorrosion fastening bolt Download PDFInfo
- Publication number
- CN106763096A CN106763096A CN201710050248.2A CN201710050248A CN106763096A CN 106763096 A CN106763096 A CN 106763096A CN 201710050248 A CN201710050248 A CN 201710050248A CN 106763096 A CN106763096 A CN 106763096A
- Authority
- CN
- China
- Prior art keywords
- bolt
- fastening bolt
- head
- screw rod
- clad type
- 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
Links
- 238000005260 corrosion Methods 0.000 claims abstract description 23
- 229920002313 fluoropolymer Polymers 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 14
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 10
- 206010046996 Varicose vein Diseases 0.000 claims description 9
- 239000012943 hotmelt Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 10
- 239000003546 flue gas Substances 0.000 abstract description 10
- 229910052751 metal Inorganic materials 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract description 10
- 239000002699 waste material Substances 0.000 description 15
- 239000002920 hazardous waste Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 229910001069 Ti alloy Inorganic materials 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Polymers C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- -1 cyanogen compound Chemical class 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- JMANVNJQNLATNU-UHFFFAOYSA-N glycolonitrile Natural products N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 238000003911 water pollution Methods 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
- F16B23/0038—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially prismatic with up to six edges, e.g. triangular, square, pentagonal, Allen-type cross-sections
Abstract
The invention discloses a kind of clad type anticorrosion fastening bolt, the fastening bolt includes bolt head and the screw rod being connected with bolt head, also include anti-corrosion layer, anti-corrosion layer is fluoroplastics material, anti-corrosion layer is coated on the integument of bolt head outer surface and is connected in the annular seal layer of integument surrounding, and the tappet head pulled for spanner is additionally provided with the screw rod end.There is stronger corrosion resistance characteristic the invention enables fastening bolt, it is to avoid corrosive incineration flue gas and the directly contacts of metal bolts, meet the requirement that bolt is used for a long time.
Description
Technical field
The present invention relates to fastening bolt, more specifically to a kind of clad type anticorrosion fastening bolt.
Background technology
China's hazardous waste species is more, according to China《National Hazard waste register》Statistic of classification, the danger of China gives up
Thing has 5 major classes, the hundreds of varieties of 47 groups.In recent years, only produced by industry hazardous waste is annual all 1000
More than many ten thousand tons.Along with the life kind dangerous waste article such as used batteries, fluorescent tube for increasing rapidly, and various electronics
Class hazardous waste, is definitely the surprising astronomical figure of a number.The hazardous waste of such scale is particularly to underground to environment
Water and soil threaten very big, once causing underground water and soil pollution, ecological environment cannot almost be reversed.
Current domestic many dangerous waste disposal systems are substantially all using traditional cement kiln, chemical metallurgy kiln and lime
Kiln carries out dangerous waste treatment.Its technique is also entirely that hazardous waste is disposed according to traditional incineration process flow, and
Due to being mostly chemical industry waste in all kinds of hazardous wastes for the treatment of, substantial amounts of poisonous and harmful substance, such as many chlorine are contained in its material
Biphenyl, explosivity, radwaste containing organic phosphatization close waste, organic cyanogen compound, containing beryllium, containing chromium, cupric, containing arsenic, containing selenium,
Containing cadmium, containing antimony, mercurous, lead bearing waste and the waste of benzofuran containing polystream, containing polystream and dioxin waste, containing organic halogen
Various high-risk wastes such as compound waste, waste containing phenol, HW40, and these materials easily produce knot at a certain temperature
Crystalline substance, attachment, the characteristic such as adhesion, the flue gas produced when these industrial dangerous wastes are burned simultaneously also with very strong corrosivity,
Therefore corrosion resistance can not be met using general metal bolts on the smoke processing system of danger incineration of waste production line
It is required that, even with the bolt that the nickel-base alloy or titanium alloy of good corrosion resistance are made, due to chemical composition in its use environment
Complexity, the highly corrosive that flue gas has, it is actually used in, even if using nickel-base alloy or titanium alloy bolt, due to long-term
Influenceed by high temperature high corrosion environment, the effect of its corrosion resistance is also unsatisfactory, once bolt is ineffective, can also be caused peace
, even there is the major accident such as cave in of such as chimney fume treatment auxiliary in full accident.In addition, nickel-base alloy and titanium alloy etc.
Also costly, the bolt for often more renewing also increases manual labor amount and management cost to the price of bolt.
The content of the invention
For drawbacks described above present in prior art, it is an object of the invention to provide a kind of clad type anticorrosion fastening spiral shell
Bolt so that fastening bolt has stronger corrosion resistance characteristic, it is to avoid corrosive incineration flue gas directly connect with metal bolts
Touch, meet the requirement that bolt is used for a long time.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of clad type anticorrosion fastening bolt, the fastening bolt includes bolt head and the screw rod being connected with bolt head,
Also include anti-corrosion layer, anti-corrosion layer be fluoroplastics material, anti-corrosion layer be coated on bolt head outer surface integument and
It is connected in the annular seal layer of integument surrounding, the tappet head pulled for spanner is additionally provided with the screw rod end.
Fluoroplastics varicosity plate is additionally provided with described screw rod, fluoroplastics varicosity plate is provided with the through hole passed through for screw rod.
Described fluoroplastics material is PTFE material.
Described tappet head is four angle heads or turret head being adapted with spanner.
It is attached using hot melt between described bolt head and integument.
In above-mentioned technical scheme, the present invention provides a kind of clad type anticorrosion fastening bolt, it is to avoid bolt with it is high
Corrosive flue gas directly contact, effectively raises the service life of bolt, while the present invention is by common common metal
Bolt is to be capable of achieving etch-proof effect, than using the cost of nickel-base alloy or titanium alloy bolt cheaper at present, greatly
Reduce production management cost.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is use state figure of the present invention.
Specific embodiment
Technical scheme is further illustrated with reference to the accompanying drawings and examples.
Incorporated by reference to shown in Fig. 1 and Fig. 2, a kind of clad type anticorrosion fastening bolt provided by the present invention, the fastening spiral shell
Bolt includes bolt head 1 and screw rod 2, and the upper end of screw rod 2 is connected on bolt head 1, and also including anti-corrosion layer, anti-corrosion layer is fluoroplastics
Material is made, and anti-corrosion layer is coated on the integument 3 of the outer surface of bolt head 1 and is connected in the annular seal of the surrounding of integument 3
Layer 4, is additionally provided with the tappet head 5 pulled for spanner on the end of the screw rod 2.
In actual use, because bolt head 1 can be with the flue gas directly contact of highly corrosive, while in order to avoid flue gas is logical
Cross the corrosion failure that the space of the lower surface of bolt head 1 leaks on the metal surface 6 for being fastened and occurs, bolt head 1 and its
Fluoroplastics varicosity plate 6 is additionally provided between the metal surface for being fastened, has also been opened up on fluoroplastics varicosity plate 6 and has been fed through for screw rod 2
Through hole, through hole is fed through by screw rod 2, coordinate the sealing after being in contact between fluoroplastics varicosity plate 6 and sealant 4, it is real
The position showed between bolt head 1 and the metal surface that is fastened with it is sealed, it is to avoid highly corrosive flue gas leakage
The too early corrosion failure of the metal parts that occurs to the metal of bottom, it is ensured that the stability and long-term operation of the structure.
Preferably, described fluoroplastics material is polytetrafluoroethylene (PTFE) (PTFE) material, the material has good puts corrosion
Characteristic.
Preferably, described tappet head 5 is four angle heads or turret head being adapted with spanner, due to when in use, bolt
First 1 is, installed in device interior, directly with the flue gas directly contact of highly corrosive, and integument 3 to be coated with bolt head 1,
Therefore this tappet head 5 need to be processed by the end of screw rod 2, screw rod 2 is worn to device external, then by spanner come real
The now fastening of whole bolt.
Preferably, being attached by the way of hot melt is connected by between described bolt head 2 and integument 3 so that
It is difficult for drop-off between bolt head 2 and integument 3, seal also even closer.
As shown in figure 3, on shell 7 present invention can apply to heat exchanger in dangerous waste disposal system, due to heat exchanger
Internal environment is complicated, it is necessary to coat one layer of etch-proof PTFE film 8 in metal shell inner surface, in order to PTFE film 8 is fixed on
On inner surface of outer cover, admittedly can be enclosed within screw rod 2 using fluoroplastics varicosity plate 6 of the invention, by the end of screw rod 2 successively by shell 7
After interior sequentially passes through the corresponding screwed hole in PTFE film 8 and shell 7, then twisting for the end of screw rod 2 is pulled by spanner
Tight first 5 are tightened so that PTFE film 8 is fastened on the inner surface of shell 7, while by the anti-corrosion layer and fluorine of bolt head 2
Form sealing between plastics varicosity plate 6, PTFE film 8 and the inner surface of shell 7 to coordinate so that whole inner surface of outer cover and bolt are first-class
Metal material is all coated by corrosion resistant fluorine material, without exposed, so as to avoid the flue gas directly contact with highly corrosive, is led
Reason is corroded and is failed, and substantially prolongs service life, improves security.
Those of ordinary skill in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention,
And be not used as being limitation of the invention, as long as in spirit of the invention, the change to embodiment described above
Change, modification will all fall in the range of claims of the present invention.
Claims (5)
1. a kind of clad type anticorrosion fastening bolt, the fastening bolt includes bolt head and the screw rod being connected with bolt head, its
It is characterised by, also including anti-corrosion layer, anti-corrosion layer is fluoroplastics material, and anti-corrosion layer is coated on bolt head outer surface
Integument and be connected in integument surrounding annular seal layer, be additionally provided with the tappet head pulled for spanner on the screw rod end.
2. a kind of clad type anticorrosion fastening bolt as claimed in claim 1, it is characterised in that be additionally provided with described screw rod
Fluoroplastics varicosity plate, fluoroplastics varicosity plate is provided with the through hole passed through for screw rod.
3. a kind of clad type anticorrosion fastening bolt as described in claim 1 and 2, it is characterised in that described fluoroplastics material
Expect to be PTFE material.
4. a kind of clad type anticorrosion fastening bolt as claimed in claim 1, it is characterised in that described tappet head is and pulls
Four angle heads or turret head of palmistry adaptation.
5. a kind of clad type anticorrosion fastening bolt as claimed in claim 1, it is characterised in that described bolt head and parcel
It is attached using hot melt between layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710050248.2A CN106763096A (en) | 2017-01-23 | 2017-01-23 | A kind of clad type anticorrosion fastening bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710050248.2A CN106763096A (en) | 2017-01-23 | 2017-01-23 | A kind of clad type anticorrosion fastening bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106763096A true CN106763096A (en) | 2017-05-31 |
Family
ID=58942945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710050248.2A Pending CN106763096A (en) | 2017-01-23 | 2017-01-23 | A kind of clad type anticorrosion fastening bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106763096A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740801A (en) * | 2017-10-17 | 2018-02-27 | 苏州华丰不锈钢紧固件有限公司 | A kind of Cross Recess Head Screw |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2711445Y (en) * | 2004-07-14 | 2005-07-20 | 上海市紧固件和焊接材料技术研究所 | Corrosion-resisting hexagon head screw |
| US20120270968A1 (en) * | 2009-09-29 | 2012-10-25 | E/I Du Pont De Nemours and Company | Anticorrosion coating composition, an anticorrosion film and an anticorrosive article |
| CN203051440U (en) * | 2012-11-25 | 2013-07-10 | 安徽六方重联机械股份有限公司 | Convenient-to-lubricate anti-corrosion durable screw bolt |
| CN104696336A (en) * | 2015-03-16 | 2015-06-10 | 南车戚墅堰机车有限公司 | High efficient corrosion-resistant bolt for internal combustion locomotive and special corrosion-resistant technology |
| CN204677576U (en) * | 2015-04-13 | 2015-09-30 | 北京普立泰科仪器有限公司 | A kind of corrosion-resistant screw and nut |
| CN205677942U (en) * | 2016-06-01 | 2016-11-09 | 广州市中标螺丝制造有限公司 | A kind of crossed countersunk head machine silk |
| CN206429519U (en) * | 2017-01-23 | 2017-08-22 | 上海金由氟材料股份有限公司 | A kind of clad type anticorrosion fastening bolt |
-
2017
- 2017-01-23 CN CN201710050248.2A patent/CN106763096A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2711445Y (en) * | 2004-07-14 | 2005-07-20 | 上海市紧固件和焊接材料技术研究所 | Corrosion-resisting hexagon head screw |
| US20120270968A1 (en) * | 2009-09-29 | 2012-10-25 | E/I Du Pont De Nemours and Company | Anticorrosion coating composition, an anticorrosion film and an anticorrosive article |
| CN203051440U (en) * | 2012-11-25 | 2013-07-10 | 安徽六方重联机械股份有限公司 | Convenient-to-lubricate anti-corrosion durable screw bolt |
| CN104696336A (en) * | 2015-03-16 | 2015-06-10 | 南车戚墅堰机车有限公司 | High efficient corrosion-resistant bolt for internal combustion locomotive and special corrosion-resistant technology |
| CN204677576U (en) * | 2015-04-13 | 2015-09-30 | 北京普立泰科仪器有限公司 | A kind of corrosion-resistant screw and nut |
| CN205677942U (en) * | 2016-06-01 | 2016-11-09 | 广州市中标螺丝制造有限公司 | A kind of crossed countersunk head machine silk |
| CN206429519U (en) * | 2017-01-23 | 2017-08-22 | 上海金由氟材料股份有限公司 | A kind of clad type anticorrosion fastening bolt |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740801A (en) * | 2017-10-17 | 2018-02-27 | 苏州华丰不锈钢紧固件有限公司 | A kind of Cross Recess Head Screw |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |