CN101493175B - Anticorrosive material for utilizing regenerated rubber-plastic on petroleum pipeline - Google Patents
Anticorrosive material for utilizing regenerated rubber-plastic on petroleum pipeline Download PDFInfo
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- CN101493175B CN101493175B CN2008101779582A CN200810177958A CN101493175B CN 101493175 B CN101493175 B CN 101493175B CN 2008101779582 A CN2008101779582 A CN 2008101779582A CN 200810177958 A CN200810177958 A CN 200810177958A CN 101493175 B CN101493175 B CN 101493175B
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Abstract
The invention relates to a recycled rubber and plastic anti-corrosion material used in petroleum pipelines; the material is characterized in that: the recycled rubber and plastic comprises the following components: recycled rubber, stearic acid, accelerator-M, accelerator-DM, coumarone, 99.96 percent of zinc oxide and age inhibitor-RD which are mixed according to the weight ratio of 100:1:0.4:0.2:1.5:2:0.4, and the mixture is placed for 24 hours, and 325 meshes of sulfur powder are refined according to the weight ratio of 1:0.125 for obtaining the recycled rubber sheets which are placed and cooled. Bonding agents are coated after the petroleum pipelines are derusted, and then the recycled rubber sheets, plastics and nylon water cloth are sequentially wound on the bonding agents which are coated on the outer surface of the steel pipes, and wound petroleum pipelines are placed in a vulcanizing tank for carrying out high-temperature sulfuration, and then the petroleum pipelines are takenout after the sulfuration is finished, and then the nylon water cloth wound on the petroleum pipelines is removed. By taking the recycled waste rubber and plastics as raw material, the recycled rubber and plastic anti-corrosion material is wound on the petroleum outlet pipelines, the production cost is low and the technique is simple, and the anti-corrosion material has the functions of anti water seepage, oil-prevention corrosion and lightning protection, etc.
Description
Technical field
The present invention relates to a kind of anti-corrosion material, more specifically to the anti-corrosion material that utilizes regeneration rubber-plastic on a kind of petroleum pipeline.
Background technique
The aseptic technic of oil output pipeline is the petroleum industry urgent problem, present domestic and international existing external anti-corrosion layer material, and it is anticorrosion to mainly contain the sheet rubber sulfuration, and pitch adds the corrosion inhibitor coating antiseptic, and rubber coating is anticorrosion, and solid plastic is anticorrosion.And China is first in the world rubber-consumer state and first rubber importer, and about 1.4 hundred million of the annual damaged tire that produces in the whole nation occupies the third place in the world after the U.S., Japan, and with double-digit speed increment in every year.Expect 2010, the yielding capacity of China's damaged tire will reach more than 200,000,000 becomes " black pollution " source important in China's environment.The annual simultaneously a large amount of waste or used plastics that produce become " white pollution " source in the environment again.To junked tire and plastics bury, burn, stack be helpless to the radical cure " black white pollution ".Though comprehensive utilization is only the effective way of eliminating waste old and plastics, but at present, damaged tire of China and plastics comprehensive reutilization rate are also relatively low, have only 45% damaged tire to enter regular recycling channel and be utilized, have 55% waste old not to be recovered utilization as regenerated resources.Because rubber such as damaged tire and waste or used plastics have very strong anti-machinery and anti-degradability, many decades can not eliminated naturally, takies a large amount of soils, and grows mosquito easily, and communicate illness also causes fire easily.Existent environment of people and health have seriously been threatened.On the other hand, China's rubber and plastics scarcity of resources, needs remedy the needs of the national economic development by import.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of low production cost is provided, and technology is simple, and waste old, plastic reclaimed utilization utilize the anti-corrosion material of regeneration rubber-plastic on a kind of petroleum pipeline of environmental protection.
Characteristics of the present invention are: regeneration rubber-plastic is made up of for the 0.8mm-1mm regenerated plastics reclaimed rubber, stearic acid, promoter-M, promoter-DM, coumarone, 99.96% zine oxide, age resister-RD, 325 order Cosans and thickness.Reclaimed rubber, stearic acid, promoter-M, promoter-DM, coumarone, 99.96% zine oxide, age resister-RD, its weight ratio is 100: 1: 0.4: 0.2: 1.5: 2: 0.4.The anti-corrosion material of regeneration rubber-plastic adopts following method preparation:
A, get reclaimed rubber, stearic acid, promoter-M, promoter-DM, coumarone, 99.96% zine oxide, age resister-RD, by its weight ratio 100: 1: 0.4: 0.2: 1.5: 2: 0.4 is standby.
B, standby composition is dropped into banbury carry out the high temperature banburying, the time is 10 minutes, and temperature is 90 ℃, and the composition after the banburying is mixing in mill, and the time is 20 minutes, and temperature is 60 ℃, and mix evenly obtains mixture.
C, then mixture was parked 24 hours at the shady and cool place of normal temperature.
D, the mixture after will parking drops into and adds 325 purpose Cosans in the refiner and carry out refining again, its weight ratio is 1: 0.125, and the time is 20 minutes, and temperature is 60 ℃, between two rollers of refiner, carry out thin-pass refining 2～3 times then, be pressed into required reclaimed rubber sheet.
E, the reclaimed rubber sheet is parked cooling, temperature reduce to 30 ℃～25 ℃ stand-by.
F, will petroleum pipeline smear tackiness agent after the rust cleaning, and the reclaimed rubber sheet will be wrapped on the tackiness agent that outer surface of steel tube scribbles again, be that 0.8mm～1mm regenerated plastics are wrapped in the sheet rubber skin with thickness, and the regenerated plastics skin has nylon water cloth to twine.
G, the petroleum pipeline after will twining are put sulfurizing pot into and were vulcanized 30 minutes～35 minutes under 135 ℃ of high-temperature steams.
H, sulfuration finish petroleum pipeline is taken out in the sulfurizing pot exhaust.
I, remove the nylon water cloth that is wrapped on the petroleum pipeline, whole operation is finished.
Described stearic acid is: octadecanoic acid or octadecanoid acid.
Described promoter-M is: accelerator M.
Described promoter-DM is: curing Dibenzo thiazole or 2-thiol benzothiazole.
Described age resister-RD is: 2,2, and 4-trimethyl-1,2-dihyaroquinoline polymer.
Described tackiness agent is: lek is received glue.
Described 325 order Cosan content are 99.96%～99.98%.
The weight ratio of the present composition gropes to sum up to draw through the inventor in a large number.
The present invention utilizes the waste old of recovery and plastics to be raw material, twines the regeneration rubber-plastic anti-corrosion material in oil field oil output pipeline outside.The low production cost of comparing with traditional petroleum tar and epoxide coal bituminous aseptic technic, technology is simple, waste old and plastic reclaimed utilization; environmental protection is compared with present existing antiseptic rubber product; has water-impervious, grease proofing corrosion, functions such as anti-thunder and lightning.
Embodiment
Can further be well understood to the present invention by specific embodiment given below.But they are not limitation of the invention.
Embodiment 1
A, get reclaimed rubber 20kg, stearic acid 200g, promoter-M 80g, promoter-DM 40g, coumarone 300g, 99.96% zine oxide 400g, age resister-RD 80g is standby.
B, standby composition is dropped into banbury carry out the high temperature banburying, the time is 10 minutes, and temperature is 90 ℃, and the composition after the banburying is mixing in mill, and the time is 20 minutes, and temperature is 60 ℃, and mix evenly obtains mixture.
C, then mixture was parked 24 hours at the shady and cool place of normal temperature.
D, the mixture after will parking drops into that to add 25g content in the refiner be that 99.96% 325 order Cosans carry out refining again, time is 20 minutes, temperature is 60 ℃, carries out thin-pass refining 2～3 times then between two rollers of refiner, is pressed into required reclaimed rubber sheet.
E, the reclaimed rubber sheet is parked cooling, temperature reduce to 30 ℃ stand-by.
F, will petroleum pipeline smear tackiness agent after the rust cleaning, and the reclaimed rubber sheet will be wrapped on the tackiness agent that outer surface of steel tube scribbles again, be that the regenerated plastics of 1mm are wrapped in the sheet rubber skin with thickness, and the regenerated plastics skin has nylon water cloth to twine.
G, the petroleum pipeline after will twining are put sulfurizing pot into and were vulcanized 35 minutes under 135 ℃ of high-temperature steams.
H, sulfuration finish petroleum pipeline is taken out in the sulfurizing pot exhaust.
I, remove the nylon water cloth that is wrapped on the petroleum pipeline, whole operation is finished.
Embodiment 2
This embodiment's process is identical with embodiment 1, and the mixture after just will parking in the steps d drops into that to add 25g content in the refiner be that 99.97% 325 order Cosans carry out refining.The reclaimed rubber sheet is parked cooling among the step e, temperature reduce to 28 ℃ stand-by.Will petroleum pipeline among the step f smear tackiness agent after the rust cleaning, and the reclaimed rubber sheet will be wrapped on the tackiness agent that outer surface of steel tube scribbles again, be that the regenerated plastics of 0.9mm are wrapped in the sheet rubber skin with thickness, and the regenerated plastics skin has nylon water cloth to twine.Petroleum pipeline after will twining in the step g is put sulfurizing pot into and was vulcanized 33 minutes under 135 ℃ of high-temperature steams.
Embodiment 3
This embodiment's process is identical with embodiment 1, and the mixture after just will parking in the steps d drops into that to add 25g content in the refiner be that 99.98% 325 order Cosans carry out refining.The reclaimed rubber sheet is parked cooling among the step e, temperature reduce to 25 ℃ stand-by.Will petroleum pipeline among the step f smear tackiness agent after the rust cleaning, and the reclaimed rubber sheet will be wrapped on the tackiness agent that outer surface of steel tube scribbles again, be that the regenerated plastics of 0.8mm are wrapped in the sheet rubber skin with thickness, and the regenerated plastics skin has nylon water cloth to twine.Petroleum pipeline after will twining in the step g is put sulfurizing pot into and was vulcanized 30 minutes under 135 ℃ of high-temperature steams.
In sum: the present invention has changed the ratio and the granularity order number of reclaimed rubber raw material, has realized intensity and elasticity that the invention design reaches.The performance index that sheet rubber reaches: hardness is 64-70 Shao Er A, tensile strength 9.3MPa, elongation at break 254%, peeling strength 20.0N/cm, electrical strength 23MV/m.The present invention has fabulous anticorrosion anti-ageing property, and working life is synchronous with the petroleum pipeline life time that is wound.Test through following 72 hours heat-proof agings of 70 ℃ of temperature: the firmness change rate is+7.5%, and the tensile strength variance ratio is+6.2%, and elongation at break variance ratio-12.4 is imbedded underground back like this and can be reached 60 years working life---more than 100 years.The present invention has utilized waste old and waste or used plastics, and the approach of regeneration has been sought in the environmental pollution that causes, and has not only digested a large amount of industrial refuses and domestic garbage, and energy saving, has protected environment.The present invention utilizes reclaimed rubber, and regenerated plastics have water-impervious as the external anticorrosive material of petroleum pipeline, functions such as thunder and lightning are prevented in grease proofing corrosion, have both solved the anticorrosion problem of oil output pipeline, increase the working life of oil output pipeline, saved steel for country again.The present invention also can be used for rock gas, and water supply pipe is outer anticorrosion.
Claims (8)
1. utilize the anti-corrosion material of regeneration rubber-plastic on the petroleum pipeline, it is characterized in that: regeneration rubber-plastic is made up of for the 0.8mm-1mm regenerated plastics reclaimed rubber, stearic acid, promoter-M, promoter-DM, coumarone, 99.96% zine oxide, age resister-RD, 325 order Cosans and thickness; Reclaimed rubber, stearic acid, promoter-M, promoter-DM, coumarone, 99.96% zine oxide, age resister-RD, its weight ratio is 100: 1: 0.4: 0.2: 1.5: 2: 0.4, the anti-corrosion material of regeneration rubber-plastic adopts following method preparation:
A, get reclaimed rubber, stearic acid, promoter-M, promoter-DM, coumarone, 99.96% zine oxide, age resister-RD, by its weight ratio 100: 1: 0.4: 0.2: 1.5: 2: 0.4 is standby;
B, standby composition is dropped into banbury carry out the high temperature banburying, the time is 10 minutes, and temperature is 90 ℃; Composition after the banburying is mixing in mill, and the time is 20 minutes, and temperature is 60 ℃, and mix evenly obtains mixture;
C, then mixture was parked 24 hours at the shady and cool place of normal temperature;
D, the mixture after will parking drops into and adds 325 purpose Cosans in the refiner and carry out refining again, and its weight ratio is 1: 0.125, and the time is 20 minutes, and temperature is 60 ℃; Between two rollers of refiner, carry out thin-pass refining 2～3 times then, be pressed into required reclaimed rubber sheet;
E, the reclaimed rubber sheet is parked cooling, temperature reduce to 30 ℃～25 ℃ stand-by;
F, will petroleum pipeline smear tackiness agent after the rust cleaning, and the reclaimed rubber sheet will be wrapped on the tackiness agent that outer surface of steel tube scribbles again, be that 0.8mm～1mm regenerated plastics are wrapped in the sheet rubber skin with thickness, and the regenerated plastics skin has nylon water cloth to twine;
G, the petroleum pipeline after will twining are put sulfurizing pot into and were vulcanized 30 minutes～35 minutes under 135 ℃ of high-temperature steams;
H, sulfuration finish petroleum pipeline is taken out in the sulfurizing pot exhaust;
2. utilize the anti-corrosion material of regeneration rubber-plastic on a kind of petroleum pipeline according to claim 1, it is characterized in that: described reclaimed rubber is the first class tread reclaimed rubber.
3. utilize the anti-corrosion material of regeneration rubber-plastic on a kind of petroleum pipeline according to claim 1, it is characterized in that: described stearic acid is octadecanoic acid or octadecanoid acid.
4. utilize the anti-corrosion material of regeneration rubber-plastic on a kind of petroleum pipeline according to claim 1, it is characterized in that: described promoter-M is an accelerator M.
5. utilize the anti-corrosion material of regeneration rubber-plastic on a kind of petroleum pipeline according to claim 1, it is characterized in that: described promoter-DM is curing Dibenzo thiazole or 2-thiol benzothiazole.
6. utilize the anti-corrosion material of regeneration rubber-plastic on a kind of petroleum pipeline according to claim 1, it is characterized in that: described age resister-RD is 2,2,4-trimethyl-1,2-dihyaroquinoline polymer.
7. utilize the anti-corrosion material of regeneration rubber-plastic on a kind of petroleum pipeline according to claim 1, it is characterized in that: described tackiness agent is that lek is received glue.
8. utilize the anti-corrosion material of regeneration rubber-plastic on a kind of petroleum pipeline according to claim 1, it is characterized in that: described 325 purpose Cosan content are 99.96%～99.98%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101779582A CN101493175B (en) | 2008-11-18 | 2008-11-18 | Anticorrosive material for utilizing regenerated rubber-plastic on petroleum pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101779582A CN101493175B (en) | 2008-11-18 | 2008-11-18 | Anticorrosive material for utilizing regenerated rubber-plastic on petroleum pipeline |
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| Publication Number | Publication Date |
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| CN101493175A CN101493175A (en) | 2009-07-29 |
| CN101493175B true CN101493175B (en) | 2011-05-11 |
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| CN2008101779582A Expired - Fee Related CN101493175B (en) | 2008-11-18 | 2008-11-18 | Anticorrosive material for utilizing regenerated rubber-plastic on petroleum pipeline |
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| CN105778507A (en) * | 2016-03-04 | 2016-07-20 | 攸潇潇 | Material conveying pipeline |
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Granted publication date: 20110511 Termination date: 20121118 |