CN102757839A - Degradable type shield tail sealing grease of shield excavation machine - Google Patents
Degradable type shield tail sealing grease of shield excavation machine Download PDFInfo
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- CN102757839A CN102757839A CN2011101098658A CN201110109865A CN102757839A CN 102757839 A CN102757839 A CN 102757839A CN 2011101098658 A CN2011101098658 A CN 2011101098658A CN 201110109865 A CN201110109865 A CN 201110109865A CN 102757839 A CN102757839 A CN 102757839A
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Abstract
The invention discloses a degradable type shield tail sealing grease of a shield excavation machine, belonging to the field of chemical grease. The degradable type shield tail sealing grease of the shield excavation machine is prepared by compounding the following raw materials in parts by weight: 16-20 parts of base oil, 10-16 parts of thickening agents, 68-76 parts of filling materials, 3-5 parts of lubricating agents, 0.5-2 parts of antioxidants, 0.3-1.7 parts of antirusting agents, 0.5-1.5 parts of antimildew agents, 5-7 parts of viscosity index modifying agents and 16-24 parts of plasticizing agents. The preparation method of the degradable type shield tail sealing grease comprises the following steps of: firstly adding the base oil, the thickening agents, the viscosity index modifying agents, the antirusting agents, the antimildew agents, lubricating agents and the antioxidants to an agitator according to weight ratio at normal temperature, and uniformly mixing and agitating; then adding the filling materials in batches, and uniformly mixing; finally adding fibers, and mixing and agitating for about 90 minutes. The degradable type shield tail sealing grease not only has property of the conventional shield tail sealing grease and the advantages of low cost, high adhesivity, good pumping effect and excellent sealing property, but also can be degraded by microbes contained in soil without polluting the soil and underground water, belongs to an environmental-friendly product.
Description
[technical field]
The present invention relates to a kind of tail seal grease of shield, refer more particularly to a kind of degradable type tail seal grease of shield of shield excavation machine.
[background technology]
In recent years, China's subway cause develop rapidly, up to the present, more than 40 city, the whole nation started the upsurge of building subway.Subway build main employing shield construction, therefore, increasing shield excavation machine is applied in the subway construction in each city, thereby needs a large amount of tail seal grease of shield to do the waterproof swabbing of shield excavation machine.
Tail seal grease of shield is a kind of sealing material that in the underground works shielded construction, injects in the steel wire brush type shield tail of tunneling shield development machine, mainly plays lubricated, sealing, waterproof, corrosion protection effect.During shield excavation machine work, pressure is filled with the space between wire brush with tail seal grease of shield, thereby has strengthened the sealing property of wire brush, prevents the infiltration of native sand and muddy water.
At present, the greasy product category of domestic shield tail has a lot, but these products all pollute the environment to some extent, often comprises some environmentally harmful materials because produce in the greasy raw material of shield tail, like nondegradable base oil; Deleterious inhibitor, softening agent, rust-preventive agent, thickening material etc., these raw materials all can be penetrated in soil and the body of groundwater after construction, and soil and underground water are produced pollution, are unfavorable for Sustainable development.Though and imported product does not pollute the environment, exist the cost problem of higher, surpassed 30 yuan/kg like the product price of Japanese Song Cun oil company, and its consumption is also very big.
Novel shield tail oil fat proposed by the invention has been selected the natural polymer environment-friendly materials for use; In the for some time of shield tail oil fat after construction of producing, can be by the Institute of Micro-biology in soil degraded, so neither can contaminated soil; Can polluted underground water yet, can effectively protect environment.
[summary of the invention]
The technical issues that need to address of the present invention are to overcome the defective of prior art; A kind of degradable type tail seal grease of shield of shield excavation machine is provided; It not only has all properties of currently available products, and can not polluted environment by the microbiological deterioration in the soil.
For addressing the above problem, the present invention realizes through following technical scheme:
A kind of degradable type tail seal grease of shield of shield excavation machine; Raw material by following proportion by weight: base oil 16-20 part, thickening material 10-16 part, waterproof and sealing material 68-76 part, lubricant 3-5 part, inhibitor 0.5-2 part, rust-preventive agent 0.3-1.7 part, mould inhibitor 0.5-1.5 part, VI improver 5-7 part, softening agent 16-24 part combine; Its preparation method does; At first at normal temperatures; By metering base oil, thickening material, VI improver, rust-preventive agent, mould inhibitor, lubricant and inhibitor are dropped into after stirrer for mixing stirs; Drop into stopping composition then in batches and mix, drop into fiber at last, mix stirring and got final product in about 90 minutes.
Preferably, a kind of degradable type tail seal grease of shield of shield excavation machine is by the raw material of following proportion by weight: base oil 18-19.5 part, thickening material 12-15 part, waterproof and sealing material 70-75 part, lubricant 3.5-4.5 part, inhibitor 0.8-1.5 part, rust-preventive agent 0.5-1.6 part, mould inhibitor 0.5-1.5 part, VI improver 5.5-6 part, softening agent 18-22 part combine.
Described base oil is one or more the mixture in poly-alpha olefins, industrial corn oil, oleum lini, VT 18, rapeseed oil, Viscotrol C vegetable oil for industry purpose or the hydrogenated vegetable oil.
Described thickening material is one or more the mixture in rosin and verivate thereof, PB450, terpine resin, agar, carrageenin, gum arabic, Lalgine, the ZX-I.
Described waterproof and sealing material is one or more the mixture in haircuts macrofiber, linters, bamboo fibers, xylon, synthon, light calcium carbonate, active nano-calcium carbonate, wilkinite, kaolin, talcum powder, white lake, Marinco H, mica powder, the WHITE CARBON BLACK.
Described lubricant is 3# lithium saponify, aluminium base fat, Viscotrol C, tallow, oleic acid and their multiple mixture.
Described inhibitor is one or more the mixture in BHA, tertiarybutylhydroquinone, the inorganic acid salt.
Described rust-preventive agent is one or more the mixture in phosphoric acid ester, the western phosphoric acid ester.
Described mould inhibitor is a kind of in iodine propargyl class, the dithiocarbamate(s) or the mixture of the two.
Described VI improver is one or more the mixture among rosin and verivate thereof, petroleum resin, terpine resin, T603, the T613.
Described softening agent is one or more the mixture in epoxy soybean oil, Viscotrol C, epoxyoleic acid butyl ester, Octyl adipate, the dioctyl sebacate.
Product preparation method of the present invention does; At first at normal temperatures; By metering base oil, thickening material, VI improver, rust-preventive agent, mould inhibitor, lubricant and inhibitor are dropped into after stirrer for mixing stirs; Drop into stopping composition then in batches and mix, drop into fiber at last, mix stirring and got final product in about 90 minutes.
Owing to adopted above technical scheme, compared with prior art, the present invention has following advantage:
(1), biodegradable: the macromolecular material in the raw material according to the invention is Biodegradable material, after construction, can be degraded to nontoxic small-molecule substance by the Institute of Micro-biology in the soil.
(2), nontoxic: the small molecule material in the raw material according to the invention is nontoxic material, penetrates into also can not produce water body in the underground water to pollute.
(3), pumping is effective: in the pumping process, can adapt to very wide TR.
[description of drawings]
Fig. 1 is a process flow sheet of the present invention.
[embodiment]
Below in conjunction with accompanying drawing and specific embodiment the present invention is further described:
Embodiment 1
At first will weigh 185kg base oil, 120kg thickening material, 40kg lubricant, 58kg VI improver, 10kg rust-preventive agent, 6kg mould inhibitor, 12kg inhibitor; After fully mixing at normal temperatures; Again stopping composition 650kg is dropped in the stirring tank and fully stir, add 25kg vegetable fibre (animal fibre or synthon) at last and mix after 90 minutes and can make.
Embodiment 2
After at first poly-alpha olefins (PAO500) 50kg, rapeseed oil 80kg, Viscotrol C 55kg, tallow 25kg, oleic acid 15kg, mixing being added PB450 thickening material 105kg stirring desaturation; Add rust-preventive agent 10kg, mould inhibitor 6kg, inhibitor 12kg, terpine resin 12kg, Gum Rosin 16kg; Feed intake while stirring; Again light calcium carbonate 650kg adding is mixed, add vegetable fibre (haircuts macrofiber) 25kg at last and mix after 90 minutes and can make.
Embodiment 3
After at first poly-alpha olefins (PAO150) 80kg, rapeseed oil 40kg, Viscotrol C 65kg, tallow 25kg, 3# lithium saponify 15kg being mixed adding epoxy soybean oil 100kg stirring desaturation, adding rust-preventive agent 8kg, mould inhibitor 4kg, inhibitor 13kg, terpine resin 12kg, Gum Rosin 10kg, T603 VI improver 6kg feed intake while stirring.Again light calcium carbonate 320kg, wilkinite 330kg adding are mixed, add vegetable fibre (bamboo fibers) 25kg at last and mix after 90 minutes and can make.
Embodiment 4
After at first poly-alpha olefins (PAO40) 100kg, rapeseed oil 20kg, Viscotrol C 65kg, tallow 20kg, aluminium base fat 20kg being mixed adding Viscotrol C 100kg stirring desaturation, adding rust-preventive agent 8kg, inhibitor 13kg, mould inhibitor 5kg, terpine resin 5kg, Gum Rosin 16kg, T613 VI improver 7kg feed intake while stirring.Again light calcium carbonate 300kg, wilkinite 330kg, white lake 20kg adding are mixed, add vegetable fibre (linters) 25kg at last, mix after 90 minutes and can make.
Embodiment 5
After at first poly-alpha olefins (PAO100) 85kg, epoxy soybean oil 40kg, Viscotrol C 60kg, oleic acid 20kg, aluminium base fat 20kg being mixed adding Viscotrol C 100kg stirring desaturation; Add rust-preventive agent 8kg, mould inhibitor 6kg, inhibitor 13kg, PB450 thickening material 12kg, Gum Rosin 16kg, feed intake while stirring.Again light calcium carbonate 320kg, wilkinite 200kg, white lake 130kg adding are mixed, add 25kg synthon (polyacrylonitrile fibre) at last, mix after 90 minutes and can make.
It is following that embodiment of the invention 1-5 quality product detects index
| Sequence number | Project | Index |
| 1 | Outward appearance | The even paste of yellow or milky white ribbon fiber |
| 2 | Cone penetration (25 ℃, 150g) | 260-280 |
| 3 | 25 ℃ of density | 1.28-1.32g/cm3 |
| 4 | Stopping property 3.5mpa | Nothing is leaked |
| 5 | Volatility (25 ℃, 5h%) | ≤2.5 |
| 6 | Burning-point | ≥250℃ |
| 7 | Pumpability (medium size hydraulic grease gun) | Can get grease |
| 8 | Degradation property | Biodegradable |
Embodiment 6
Described seal grease is formed by the material combination of following weight distribution ratio: 18 parts of base oils, 12 parts of thickening materials, 70 parts of stopping composition, 3.5 parts of lubricants, 0.8 part of inhibitor, 0.5 part of rust-preventive agent, 0.8 part of mould inhibitor, 5.5 parts of VI improvers, 18 parts in softening agent.
Embodiment 7
Described seal grease is formed by the material combination of following weight distribution ratio: 18.5 parts of base oils, 13 parts of thickening materials, 72 parts of stopping composition, 4 parts of lubricants, 1 part of inhibitor, 0.8 part of rust-preventive agent, 0.9 part of mould inhibitor, 5.8 parts of VI improvers, 20 parts in softening agent.
Embodiment 8
Described seal grease is formed by the material combination of following weight distribution ratio: 19.5 parts of base oils, 14 parts of thickening materials, 74 parts of stopping composition, 4.5 parts of lubricants, 1.5 parts of inhibitors, 1.2 parts of rust-preventive agent, 1.1 parts of mould inhibitors, 6 parts of VI improvers, 22 parts in softening agent.
Wherein among the embodiment 6-8:
Described base oil is one or more the mixture in poly-alpha olefins, industrial corn oil, VT 18, rapeseed oil, oleum lini, Viscotrol C, peanut oil vegetable oil for industry purpose or the hydrogenated vegetable oil.
Described thickening material is one or more the mixture in rosin and verivate thereof, PB450, terpine resin, agar, carrageenin, gum arabic, Lalgine, the ZX-I.
Described waterproof and sealing material is one or more the mixture in haircuts macrofiber, linters, bamboo fibers, xylon, synthon, light calcium carbonate, active nano-calcium carbonate, wilkinite, kaolin, talcum powder, white lake, Marinco H, mica powder, the WHITE CARBON BLACK.
Described lubricant is 3# lithium saponify, aluminium base fat, Viscotrol C, tallow, oleic acid and their multiple mixture.
Described inhibitor is one or more the mixture in BHA, tertiarybutylhydroquinone, the inorganic acid salt.
Described rust-preventive agent is one or more the mixture in phosphoric acid ester, the western phosphoric acid ester.
Described mould inhibitor is one or more the mixture in iodine propargyl class, the dithiocarbamate(s).
Described VI improver is one or more the mixture among rosin and verivate thereof, petroleum resin, terpine resin, T603, the T613.
Described softening agent is one or more the mixture in epoxy soybean oil, Viscotrol C, epoxyoleic acid butyl ester, Octyl adipate, the dioctyl sebacate.
What should explain at last is: above embodiment only in order to the explanation the present invention and and unrestricted technical scheme described in the invention; Therefore, although this specification sheets has carried out detailed explanation to the present invention with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the present invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the claim scope of the present invention.
Claims (10)
1. the degradable type tail seal grease of shield of a shield excavation machine; It is characterized in that: by the raw material of following proportion by weight: base oil 16-20 part, thickening material 10-16 part, waterproof and sealing material 68-76 part, lubricant 3-5 part, inhibitor 0.5-2 part, rust-preventive agent 0.3-1.7 part, mould inhibitor 0.5-1.5 part, VI improver 5-7 part, softening agent 16-24 part combine; Its preparation method does; At first at normal temperatures; By metering base oil, thickening material, VI improver, rust-preventive agent, mould inhibitor, lubricant and inhibitor are dropped into after stirrer for mixing stirs; Drop into stopping composition then in batches and mix, drop into fiber at last, mix stirring and got final product in about 90 minutes.
2. the degradable type tail seal grease of shield of a kind of shield excavation machine according to claim 1 is characterized in that: described base oil is one or more the mixture in poly-alpha olefins, industrial corn oil, oleum lini, VT 18, rapeseed oil, Viscotrol C vegetable oil for industry purpose or the hydrogenated vegetable oil.
3. the degradable type tail seal grease of shield of a kind of shield excavation machine according to claim 1 is characterized in that: described thickening material is one or more the mixture in rosin and verivate thereof, PB450, terpine resin, agar, carrageenin, gum arabic, Lalgine, the ZX-I.
4. the degradable type tail seal grease of shield of a kind of shield excavation machine according to claim 1 is characterized in that: described waterproof and sealing material is one or more the mixture in haircuts macrofiber, linters, bamboo fibers, xylon, synthon, light calcium carbonate, active nano-calcium carbonate, wilkinite, kaolin, talcum powder, white lake, Marinco H, mica powder, the WHITE CARBON BLACK.
5. the degradable type tail seal grease of shield of a kind of shield excavation machine according to claim 1, it is characterized in that: described lubricant is 3# lithium saponify, aluminium base fat, Viscotrol C, tallow, oleic acid and their multiple mixture.
6. the degradable type tail seal grease of shield of a kind of shield excavation machine according to claim 1 is characterized in that: described inhibitor is one or more the mixture in BHA, tertiarybutylhydroquinone, the inorganic acid salt.
7. the degradable type tail seal grease of shield of a kind of shield excavation machine according to claim 1 is characterized in that: described rust-preventive agent is one or more the mixture in phosphoric acid ester, the western phosphoric acid ester.
8. the degradable type tail seal grease of shield of a kind of shield excavation machine according to claim 1 is characterized in that: described mould inhibitor is a kind of in iodine propargyl class, the dithiocarbamate(s) or the mixture of the two.
9. the degradable type tail seal grease of shield of a kind of shield excavation machine according to claim 1 is characterized in that: described VI improver is one or more the mixture among rosin and verivate thereof, petroleum resin, terpine resin, T603, the T613.
10. the degradable type tail seal grease of shield of a kind of shield excavation machine according to claim 1 is characterized in that: described softening agent is one or more the mixture in epoxy soybean oil, Viscotrol C, epoxyoleic acid butyl ester, Octyl adipate, the dioctyl sebacate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101098658A CN102757839A (en) | 2011-04-29 | 2011-04-29 | Degradable type shield tail sealing grease of shield excavation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101098658A CN102757839A (en) | 2011-04-29 | 2011-04-29 | Degradable type shield tail sealing grease of shield excavation machine |
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| CN102757839A true CN102757839A (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101098658A Pending CN102757839A (en) | 2011-04-29 | 2011-04-29 | Degradable type shield tail sealing grease of shield excavation machine |
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| CN102925260A (en) * | 2012-11-20 | 2013-02-13 | 中铁第五勘察设计院集团有限公司 | Environment-friendly shield tail sealing grease, preparation method and application thereof |
| CN103059729A (en) * | 2012-12-17 | 2013-04-24 | 铜陵市东方矿冶机械有限责任公司 | Metal antirust agent containing methenamine |
| CN103614189A (en) * | 2013-10-28 | 2014-03-05 | 北京天山新材料技术股份有限公司 | Lubricant for wind power bolt with high torque coefficient |
| CN104611100A (en) * | 2015-03-06 | 2015-05-13 | 陆波 | Environmental-friendly shield tail grease and preparation method thereof |
| CN105368540A (en) * | 2014-08-06 | 2016-03-02 | 上海茨夫新型建筑材料有限公司 | Shield machine cutterhead main shaft sealing grease |
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| JPWO2016021690A1 (en) * | 2014-08-07 | 2017-07-13 | Ｊｘｔｇエネルギー株式会社 | Tail seal composition for shield machine |
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Application publication date: 20121031 |