CN1045924C - Pakcage material for road pitch and its filling method - Google Patents
Pakcage material for road pitch and its filling method Download PDFInfo
- Publication number
- CN1045924C CN1045924C CN95111371A CN95111371A CN1045924C CN 1045924 C CN1045924 C CN 1045924C CN 95111371 A CN95111371 A CN 95111371A CN 95111371 A CN95111371 A CN 95111371A CN 1045924 C CN1045924 C CN 1045924C
- Authority
- CN
- China
- Prior art keywords
- pitch
- packaging bag
- road asphalt
- styrene
- block copolymer
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 title abstract description 11
- 238000004806 packaging method and process Methods 0.000 claims abstract description 18
- 239000010426 asphalt Substances 0.000 claims description 23
- -1 polyethylene Polymers 0.000 claims description 19
- 239000004698 Polyethylene Substances 0.000 claims description 16
- 229920000573 polyethylene Polymers 0.000 claims description 16
- 239000003607 modifier Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
- 239000000654 additive Substances 0.000 claims description 12
- 230000000996 additive effect Effects 0.000 claims description 12
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 claims description 8
- AWQFNUMHFNEWGS-UHFFFAOYSA-N 2-methylprop-1-ene;styrene Chemical compound CC(C)=C.C=CC1=CC=CC=C1 AWQFNUMHFNEWGS-UHFFFAOYSA-N 0.000 claims description 8
- 150000001336 alkenes Chemical class 0.000 claims description 8
- 229920001400 block copolymer Polymers 0.000 claims description 8
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 8
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 8
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 8
- 229920000098 polyolefin Polymers 0.000 claims description 7
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 5
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 5
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 abstract description 9
- 239000004033 plastic Substances 0.000 abstract description 9
- 238000009954 braiding Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 3
- 239000011295 pitch Substances 0.000 description 46
- 238000012856 packing Methods 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 6
- 229920001684 low density polyethylene Polymers 0.000 description 4
- 239000004702 low-density polyethylene Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000012858 packaging process Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000005022 packaging material Substances 0.000 description 3
- 238000005491 wire drawing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 235000006708 antioxidants Nutrition 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000009924 canning Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Wrappers (AREA)
- Packages (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
Abstract
The present invention provides package material for road pitch and a filling method thereof. The package material comprises an inner layer and an outer layer, wherein the inner layer is coated by the outer layer. The package material is characterized in that the inner layer is made of plastics; the outer layer is a plastic braiding layer or a hard paper layer. After the inner layer and the outer layer are closed by thermal sealing or binding, a road pitch packaging bag is made. Pitch is filled into the road pitch packaging bag at the filling temperature of 120 DEG C. After being closed by air exhaust, the weight of the road pitch packaging bag is self adjusted by an electronic scale, and then, is cooled. The road pitch packaging bag is sent to the ground by a belt conveyer to be piled.
Description
The present invention relates to a kind of road asphalt packaging bag.
The ministry standard SYB2000S of petroleum department is " softening point is generally all being used bucket packing below 45 ℃; the bar frame packing of No. 100 pitches available 3～5 floor paper in the north; but No. 200, No. 180 and all use the bucket packing No. 140 summers in pitch winter; No. 100, and No. 60 pitches are used bucket or bar frame packing summer " to the packing instructions of road asphalt.Pitch stores and transports the station and all adopts insulation tank car packing and transportation from the oil plant to the centre, so brown paper, petrol drum and insulation tank car are the employed basic packaging material of the present road asphalt of China.Brown paper is wanted viscous bitumen, and the pitch that is bonded on the brown paper is unrenewable, has both wasted pitch, again contaminated environment.And the paper scrap that attaches on pitch also is difficult to eliminate from the pitch of fusing, so that the influence surface quality.Tank car need be incubated transportation, and energy consumption is big, and backhaul emptying is extremely uneconomical, adds tank car quantity wretched insufficiency, and uses unloading of department limited in one's ability, and turn around time is long, has influenced PRODUCTION OF PITCH and use.Petrol drum is from great, the cost height, and it is many to take up space, and the freight height uses because turnover needs could arrive in user's hand through 4 heating, energy consumption height not only, pitch also can shorten the service life of bituminous paving because of hot-spot accelerated ageing repeatedly.Germany, Sweden, Australia and Japan etc. have solved the packaging Problems of high-melting-point pitches such as building asphalt, modified pitch (being solid-state under the room temperature) with paper, plastics, and have realized industrialization.U.S. US4450962 patent report a kind of packing or container of pitch, for containing three layers packaging bag, bag material is a low density polyethylene (LDPE) in it, the intermediate layer scribbles Organosilicon Release Agent, skin is nylon 6 films.The crystalline phase fusing point of low density polyethylene (LDPE) has only 108 ℃, so the can temperature of its pitch can not be above 100 ℃, the viscosity of pitch in the time of 100 ℃ is also very big, therefore filling speed is very slow, thereby can not form practical commercial scale, nylon hear resistance height, cost height, because structure itself is limit, can not with the pitch consolute.Also not mentioned pile height of above-mentioned in addition patent and outdoor storage period.
The object of the present invention is to provide a kind of economical and practical road asphalt packaging bag.
Road asphalt packaging bag provided by the present invention is made of internal layer and the skin that envelopes internal layer, it is characterized in that described internal layer is plastics, and skin is plastic braid ply or hard ply of paper.Internal layer is heat-resisting among the present invention, outer load-bearing.Because plastics intensity at high temperature reduces rapidly, so need the skin holder lining of load during the can heated bitumen, cold conditions storage pile also needs outer layer protection and pressure-bearing.
Above-mentioned internal layer and the outer melt index that all adopts are that the blend polyolefin that 0.2～5 low-pressure polyethylene, melt index are 1～3.5 line style polyethylene from high pressure process and comonomer, blend forms after adding modifier, additive is that raw material is made.
The proportioning of above-mentioned component is as follows:
Low-pressure polyethylene 50～92%
Line style polyethylene from high pressure process 5～40%
Comonomer 2～5%
Modifier 1～40%
Additive 0.1～0.5%
Above-mentioned each component sum equals 100%.
Above-mentioned comonomer comprises propylene, butylene, defends alkene and octene.
Above-mentioned component and proportioning are as follows:
Propylene 3～50%
Butylene 3～25%
Become alkene 3～25%
Octene 3～25%.
Above-mentioned each component sum equals 100%.
Above-mentioned modifier comprises styrene---isobutene block copolymer, styrene---butadiene block copolymer and melt index are 1～250 ethylene-vinylacetate copolymer.
The proportioning of above-mentioned component is as follows:
Styrene---isobutene block copolymer 20～40%
Styrene---butadiene block copolymer 50～75%
Ethylene-vinylacetate copolymer 5～28%
Additive is anti-oxidant, weather-proof additive.
The packaging process of above-mentioned road asphalt is as follows:
Adopt heat sealing or tie up and seal with the blend polyolefin with through the blend polyolefin that wire drawing braiding forms, make the road asphalt packaging bag, can pitch under 120 ℃ can temperature, after exhaust is sealed, automatically adjust weight through electronic scale, cool off, send the ground pile back to by belt conveyer again.Pitch is under 120 ℃ temperature, and mobile performance is fine, for the industrialization operation provides prerequisite.After wire drawing, braiding, can increase the polyolefinic mechanical strength of blend.
During use, outer bag can be scratched with cutter, the inner bag that pitch is housed is directly dropped in the pitch bay.When the pitch bay temperature rises to 160 ℃, inner bag fusing after agitation as appropriate and pitch are mixing, are promptly made the compound of paving the way as the some of ground surface material and is used to pave the way, do not influence the serviceability of pitch, to a certain extent even can improve the serviceability of pitch.Outer bag when having any problem under dialling, also can drop into pitch bay with inside and outside bag if be stained with pitch simultaneously together, and temperature rises to 160 ℃ when drop cream pond, and stirring promptly can be mixing with pitch, uses as ground surface material together.Because of outer bag has thicker flanging, the heating mixing time could be mixing with pitch than length, so addition is unsuitable too many.
The present invention has following characteristics:
1. sneaked into pitch as ground surface material owing to packaging material among the present invention, so do not pollute the environment.
2. inside and outside bag material of the present invention was preventing thermal oxide, and specially treated is all passed through in the uvioresistant aspect, and carried out water-cooled or air-cooled immediately after dress is irritated heated bitumen, had shortened the high-temperature thermal oxidation time, had increased storage period.
3. Pakcage material for road pitch of the present invention has the hear resistance height, the strong characteristics of the high ageing-resistant ability of mechanical strength.
Economic results in society of the present invention are as follows:
1, the packing charges of year saving:
180 yuan of metal bucket prices, one ton of pitch of 5 packing in iron drums has enough to meet the need and scraps for 4 times (actual be lower than 4 times).Or connect bucket of consumption per ton and calculate, promptly 180 yuan, the packed pitch 25kg of plastics (also can adorn 40kg), 2 yuan in each sack, the packing charges of pitch per ton is 80 yuan, promptly adopts the present invention to pack one ton of pitch than adopting one ton of pitch of metal bucket packing, spend 100 yuan of packing charges less, press 2,500,000 tons of calculating of the annual consumption of pitch, then can save 2.5 hundred million yuan of packing charges.
I.e. 250 * 100=2.5 (hundred million yuan)
2. the packing of bottled asphalt loss
Owing to leakage difficult inspection of bucket and reasons such as thermal expansion and rainwater, make the barreled loss up to 30%, the present invention packs and considers 1% accident consume, and pitch per ton is pressed 400 yuan of calculating, and establishes canned barreled half and half, and then the present invention's packing expense of reducing the loss is:
[1/2(30+3)-1]×250×400
=1.55 * 10
4(ten thousand yuan)=1.55 (hundred million yuan)
3, back freight
The tank car freight charges are lower, but backhaul distance is long, offset the back unification and calculate with barreled.2,500,000 tons of pitches need 1,250 ten thousand metal buckets, and each liberation car of 5 tons can be adorned 50 in empty bucket, the average 200KM of backhaul distance, and 0.8 yuan of km freight charges per ton, then
1250 * 10 ÷, 50 * 200 * 5 * 0.8=20 (hundred million yuan)
4, energy consumption
Barreled will could arrive in user's hand through 4 heating and use (tank car insulation transportation, storing station heating input basin, basin heating barrelling, the bucket heating is flowed out pitch), get final product and adopt the present invention's packing only pitch need be cooled to 120 ℃, save the heavy oil expense more than 100,000,000 yuan.
5, the north warm factory's fecund pitch of refining in winter increases income
If pack 580,000 tons of the voluminous pitches in back with the present invention, then
400 * 50=2 * 10
4(ten thousand yuan)=2 (hundred million yuan)
More than five expenses add up to:
(2.5+1.55+20+1+2=27 hundred million yuan)
Can save 2,700,000,000 yuan every year after promptly adopting packaging material of the present invention and packaging process.
The present invention can also save steel, alleviate Rail Highway transportation burden, reduce and burn the environmental pollution that bucket, burning pitch waste paper etc. cause, keep the pitch initial quality, prolong service life of road surface, rationally use natural resources, energy savings, improve efficiency of construction, reduce cost of transportation, improve workman's working condition etc.
Describe embodiments of the invention below in detail:
Embodiment 1
Pakcage material for road pitch comprises internal layer and the skin that envelopes internal layer among the present invention, and internal layer is plastics, and skin is a plastic braid ply.Internal layer and the outer melt index that all adopts are 0.2～5 low-pressure polyethylene, and melt index is 1～3.5 line style polyethylene from high pressure process and comonomer, and through adding modifier, the blend polyolefin that blend forms behind the additive is that raw material is made.
The proportioning of above-mentioned component is as follows:
Low-pressure polyethylene 50%
Line style polyethylene from high pressure process 40%
Comonomer 2%
Modifier 7.9%
Additive 0.1%
Above-mentioned comonomer comprises propylene, butylene, one-tenth alkene and octene.
The proportioning of above-mentioned component is as follows:
Propylene 25%
Butylene 25%
Defend alkene 25%
Octene 25%
Above-mentioned modifier is styrene---isobutene block copolymer, styrene---butadiene block copolymer and melt index are 1～250 ethylene-vinylacetate copolymer.
The proportioning of above-mentioned modifier is as follows:
Styrene---isobutene block copolymer 30%
Styrene---butadiene block copolymer 50%
Ethylene-vinylacetate copolymer 20%
Additive is anti-oxidant, weather-proof additive.
The packaging process of above-mentioned road asphalt is as follows:
Blend polyolefin and the blend polyolefin after wire drawing braiding are adopted heat sealing or tie up and seal, make the road asphalt packaging bag, can pitch under 120 ℃ can temperature, after exhaust is sealed, automatically adjust weight through electronic scale, cool off, send the ground pile back to by belt conveyer again.
The above-mentioned type of cooling is a water-cooled or air-cooled.
Embodiment 2:
Embodiment 2 is substantially the same manner as Example 1, and different are:
The polyolefinic proportioning of blend is as follows:
Low-pressure polyethylene 80%
Line style polyethylene from high pressure process 10%
Comonomer 3%
Modifier 6.5%
Additive 0.5%
The proportioning of comonomer is as follows:
Propylene 50%
Butylene 15%
Defend alkene 15%
Octene 20%
The proportioning of modifier is as follows:
Styrene---isobutene block copolymer 30%
Styrene---butadiene block copolymer 65%
Ethylene-vinylacetate copolymer 5%
The packaging process of above-mentioned road asphalt is identical with embodiment 1.Embodiment 3: embodiment 3 is substantially the same manner as Example 1, and different are:
The polyolefinic proportioning of blend is as follows:
Low-pressure polyethylene 90%
Line style polyethylene from high pressure process 5%
Comonomer 2%
Modifier 2.7%
The proportioning of additive 0.3% comonomer is as follows:
Propylene 40%
Butylene 20%
Defend alkene 20%
The proportioning of octene 20% modifier is as follows:
Styrene---isobutene block copolymer 20%
Styrene---butadiene block copolymer 65%
The canning means of ethylene-vinylacetate copolymer 1 5% above-mentioned road asphalt is identical with embodiment 1.
Claims (6)
1, a kind of road asphalt packaging bag, by internal layer, the outer composition, it is characterized in that internal layer and the outer melt index that all adopts are 0.2～5 low-pressure polyethylene, melt index is 1～3.5 line style polyethylene from high pressure process and comonomer, and the blend polyolefin that co-blended forms after adding modifier, additive is that raw material is made.
2, road asphalt packaging bag according to claim 1 is characterized in that the proportioning of described component is as follows:
Low-pressure polyethylene 50～92%
Line style polyethylene from high pressure process 5～40%
Comonomer 2～5%
Modifier 1～40%
Additive 0.1～0.5%
Above-mentioned each component sum equals 100%.
3, road asphalt packaging bag according to claim 1 is characterized in that described comonomer comprises propylene, butylene, one-tenth alkene and octene.
4, road asphalt packaging bag according to claim 3 is characterized in that the proportioning of described component is as follows:
Propylene 3～50%
Butylene 3～25%
Defend alkene 3～25%
Octene 3～25%
Above-mentioned each component sum equals 100%.
5, road asphalt packaging bag according to claim 1, it is characterized in that described modifier comprises styrene---isobutene block copolymer, styrene---butadiene block copolymer and melt index are 1～250 ethylene-vinylacetate copolymer.
6, road asphalt packaging bag according to claim 5 is characterized in that the proportioning of described component is as follows:
Styrene---isobutene block copolymer 20～40%
Styrene---butadiene block copolymer 50～75%
Ethylene-vinylacetate copolymer 5～28%
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95111371A CN1045924C (en) | 1995-05-22 | 1995-05-22 | Pakcage material for road pitch and its filling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95111371A CN1045924C (en) | 1995-05-22 | 1995-05-22 | Pakcage material for road pitch and its filling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1126141A CN1126141A (en) | 1996-07-10 |
| CN1045924C true CN1045924C (en) | 1999-10-27 |
Family
ID=5078669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95111371A Expired - Fee Related CN1045924C (en) | 1995-05-22 | 1995-05-22 | Pakcage material for road pitch and its filling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1045924C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004096917A1 (en) * | 2003-04-30 | 2004-11-11 | Cosmic Asphalt Technology Pte. Ltd | Packaging for bitumen |
| CN103407673A (en) * | 2013-07-16 | 2013-11-27 | 王永攀 | Liquid transport packaging bag |
| CN110041718B (en) * | 2019-04-25 | 2021-11-19 | 山东高速路用新材料技术有限公司 | Preparation method of environment-friendly asphalt modifier |
| CN114805976A (en) * | 2021-01-19 | 2022-07-29 | 中石油克拉玛依石化有限责任公司 | Fusible asphalt packaging bag and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1060061A (en) * | 1991-09-16 | 1992-04-08 | 齐鲁塑料制品有限公司 | A kind of coating processes of Polywoven Bag |
| CN2188022Y (en) * | 1994-05-09 | 1995-01-25 | 刘崇维 | Compounded two-layer packaging material |
-
1995
- 1995-05-22 CN CN95111371A patent/CN1045924C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1060061A (en) * | 1991-09-16 | 1992-04-08 | 齐鲁塑料制品有限公司 | A kind of coating processes of Polywoven Bag |
| CN2188022Y (en) * | 1994-05-09 | 1995-01-25 | 刘崇维 | Compounded two-layer packaging material |
Non-Patent Citations (1)
| Title |
|---|
| 中国大百科全书(化工) 1987.12. 1 中国大百科全书出版社 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1126141A (en) | 1996-07-10 |
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