JP5749412B2 - Highly efficient and energy-saving natural gas additive and its application - Google Patents
Highly efficient and energy-saving natural gas additive and its application Download PDFInfo
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims description 172
- 239000000654 additive Substances 0.000 title claims description 107
- 230000000996 additive effect Effects 0.000 title claims description 99
- 239000003345 natural gas Substances 0.000 title claims description 86
- 238000005520 cutting process Methods 0.000 claims description 38
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 30
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 29
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 27
- 239000007789 gas Substances 0.000 claims description 22
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 18
- 229930195733 hydrocarbon Natural products 0.000 claims description 16
- 150000002430 hydrocarbons Chemical class 0.000 claims description 16
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 12
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000008096 xylene Substances 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 239000004215 Carbon black (E152) Substances 0.000 claims description 8
- FYGHSUNMUKGBRK-UHFFFAOYSA-N 1,2,3-trimethylbenzene Chemical compound CC1=CC=CC(C)=C1C FYGHSUNMUKGBRK-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- XTFIVUDBNACUBN-UHFFFAOYSA-N 1,3,5-trinitro-1,3,5-triazinane Chemical compound [O-][N+](=O)N1CN([N+]([O-])=O)CN([N+]([O-])=O)C1 XTFIVUDBNACUBN-UHFFFAOYSA-N 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 239000000470 constituent Substances 0.000 claims 1
- 238000004134 energy conservation Methods 0.000 claims 1
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 30
- 229910000831 Steel Inorganic materials 0.000 description 28
- 239000010959 steel Substances 0.000 description 28
- 239000001301 oxygen Substances 0.000 description 25
- 229910052760 oxygen Inorganic materials 0.000 description 25
- 239000004071 soot Substances 0.000 description 25
- 239000000463 material Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 15
- 239000001294 propane Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 12
- 238000002474 experimental method Methods 0.000 description 12
- 239000003949 liquefied natural gas Substances 0.000 description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- 238000005260 corrosion Methods 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 8
- 230000008016 vaporization Effects 0.000 description 7
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 6
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000003915 liquefied petroleum gas Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 235000015110 jellies Nutrition 0.000 description 2
- -1 oxidol Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- QBUKAFSEUHGMMX-MTJSOVHGSA-N (5z)-5-[[3-(1-hydroxyethyl)thiophen-2-yl]methylidene]-10-methoxy-2,2,4-trimethyl-1h-chromeno[3,4-f]quinolin-9-ol Chemical compound C1=CC=2NC(C)(C)C=C(C)C=2C2=C1C=1C(OC)=C(O)C=CC=1O\C2=C/C=1SC=CC=1C(C)O QBUKAFSEUHGMMX-MTJSOVHGSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- LNSPFAOULBTYBI-UHFFFAOYSA-N [O].C#C Chemical group [O].C#C LNSPFAOULBTYBI-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000005609 naphthenate group Chemical group 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/003—Additives for gaseous fuels
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
- Liquid Carbonaceous Fuels (AREA)
- Feeding And Controlling Fuel (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
本発明は、切断用ガスに関し、具体的には、高効率省エネの天然ガス添加物及びその応用に関する。 The present invention relates to a cutting gas, and more specifically, to a highly efficient and energy-saving natural gas additive and its application.
我が国の産業経済の急速な発展にしたがって、金属のガス切断加工の需要量がますます増えてきた。現在、我が国の金属のガス切断加工には、酸素―アセチレン切断である既存の方法がよく使われている。アセチレンは一般的なガス源であり、炎の温度が高く、熱加工効果が著しい。このような長所があるため、アセチレンは金属の切断、溶接、変形矯正などの分野で広く使用されている。しかし、アセチレンを使用する場合、安全性が低い、エネルギー消費量が多い、コストが高い、環境汚染などの問題が生じ得る。そのため、近年、アセチレンの代替品が求められている。アセチレンの代替品としては、プロパン、天然ガス、液化石油ガスなどがある。中でも、天然ガスは、比重が軽くて、爆発下限が高く、漏れた場合に拡散し易い。そのため、天然ガスは、プロパンや液化石油ガスより安全であるとして、造船業の密閉船室にも使われている。しかも、天然ガスは、プロパンより低コストである。しかし、天然ガスだけで切断を行う場合、予熱穿孔の時間が長い、切断速度が遅い、炎の温度が低い、実際に使用する際の性能が低い、エネルギー消費量が多いなどの問題がある。そのため、天然ガスを使う際には、添加物を天然ガスに添加する。なお、既存の添加物のほとんどには、腐食性がある。例えば、オキシドール、過マンガン酸カリウム、水、水酸化カリウム、フッ化水素酸、過塩素酸、塩酸などの添加物を長期的に使う場合、鋼瓶や鋼パイプの壁が腐食するなどの安全面の問題が生じ得る。その他、添加物には、粘稠液、ゼリー、固体物質（例えば、ナノアルミナ、ナノ酸化鉄、ナフテン酸塩（マンガン、セリウム、コバルト、ジルコニウム、銅、ランタンなど）、アルキルスルホン酸ナトリウム、ウロトロピン、トウェイン−８０など）がある。添加物が天然ガスに完全に溶解しない場合、気液混合体になり、パイプに設けられる減圧弁のゴム膜が膨潤して破損する。そのため、天然ガスに溶解し難い粘稠液やゼリーが添加物に含まれる場合には、長期的に使用することができない。なお、フェロセンを原料とした添加物もある。フェロセンは、固体であり、溶媒に溶解して液体添加物となる必要がある。当該添加物を天然ガスパイプの中に加えると、フェロセンが固体粒子になり、天然ガスに浮かぶことになる。一定時間の使用にしたがってフェロセン固体粒子が切断トーチを塞いでしまうと、切断焔が不安定になり、焔が切れたりバックファイヤーが生じたりすることがある。また、既存の添加物は、性能が低く、天然ガスに添加されると、プロパンの焔温度（≦２７００℃）にしか昇温せず、アセチレンの炎心の温度（３１００℃）には到達しない。そのため、実際に使用する際に、エネルギー消費量が多く、省エネ・排出削減することができない。 With the rapid development of Japan's industrial economy, the demand for metal gas cutting has increased. At present, the existing method of oxygen-acetylene cutting is often used for gas cutting of metal in Japan. Acetylene is a common gas source, has a high flame temperature, and has a remarkable thermal processing effect. Because of these advantages, acetylene is widely used in fields such as metal cutting, welding, and deformation correction. However, when acetylene is used, problems such as low safety, high energy consumption, high cost, and environmental pollution may occur. Therefore, in recent years, an alternative to acetylene has been demanded. Alternatives to acetylene include propane, natural gas, and liquefied petroleum gas. Among them, natural gas has a low specific gravity, a high explosion lower limit, and is easy to diffuse when leaked. For this reason, natural gas is used in sealed shipyards for shipbuilding because it is safer than propane and liquefied petroleum gas. Moreover, natural gas is less expensive than propane. However, when cutting with natural gas alone, there are problems such as long preheating drilling time, slow cutting speed, low flame temperature, low performance in actual use, and high energy consumption. Therefore, when using natural gas, an additive is added to natural gas. Most existing additives are corrosive. For example, when additives such as oxidol, potassium permanganate, water, potassium hydroxide, hydrofluoric acid, perchloric acid, hydrochloric acid are used for a long time, the wall of the steel bottle or steel pipe is corroded. Problems can arise. Other additives include viscous liquids, jellies, solid substances (eg, nano alumina, nano iron oxide, naphthenates (manganese, cerium, cobalt, zirconium, copper, lanthanum, etc.), sodium alkyl sulfonate, urotropine, Twain-80 etc.). When the additive does not completely dissolve in natural gas, it becomes a gas-liquid mixture, and the rubber film of the pressure reducing valve provided on the pipe swells and breaks. Therefore, when the viscous liquid and jelly which are hard to melt | dissolve in natural gas are contained in an additive, it cannot be used for a long term. Some additives are made from ferrocene. Ferrocene is a solid and needs to be dissolved in a solvent to become a liquid additive. When the additive is added into the natural gas pipe, the ferrocene becomes solid particles and floats on the natural gas. If the ferrocene solid particles block the cutting torch after a certain period of use, the cutting wrinkles may become unstable, and the wrinkles may be cut or backfired. In addition, existing additives have low performance, and when added to natural gas, they only rise to the propane soot temperature (≦ 2700 ° C.) and do not reach the temperature of the acetylene flame (3100 ° C.). . Therefore, when actually used, the energy consumption is large, and it is not possible to save energy or reduce emissions.
本発明の目的は、高効率省エネの天然ガス添加物を提供することである。本発明に係る添加物は、腐食性がなく、天然ガスに完全に溶解し、天然ガスの性能を改善して省エネ・排出削減を安全的に達成する。 An object of the present invention is to provide a highly efficient and energy-saving natural gas additive. The additive according to the present invention is not corrosive, completely dissolves in natural gas, improves the performance of natural gas, and safely achieves energy saving and emission reduction.
本発明の別の目的は、高効率省エネの天然ガス添加物を利用する切断加工を提供することである。 Another object of the present invention is to provide a cutting process utilizing a highly efficient and energy saving natural gas additive.
本発明の別の目的は、高効率省エネの天然ガス添加物を利用する加熱操作を提供することである。 Another object of the present invention is to provide a heating operation utilizing a highly efficient and energy saving natural gas additive.
本発明に係る高効率省エネの天然ガス添加物は、構成成分及び重量の割合がＣ1〜Ｃ9アルコール１０％〜８０％とＣ6〜Ｃ11炭化水素２０％〜９０％である。 Natural gas additive highly efficient energy saving according to the present invention, the proportion of components and weight are C 1 ~C 9 10% ~80% and the C 6 -C 11 hydrocarbons of 20% to 90% alcohol.
また、本発明では、構成成分及び重量の割合がＣ1〜Ｃ9アルコール３０％〜６０％とＣ6〜Ｃ11炭化水素３０％〜７０％であることが好ましい。 In the present invention, it is preferable that the ratio of the components and a weight of C 1 -C 9 alcohol 30% to 60% and C 6 -C 11 hydrocarbons of 30% to 70%.
また、本発明では、構成成分及び重量の割合がＣ1〜Ｃ9アルコール４０％〜５０％とＣ6〜Ｃ11炭化水素４０％〜６０％であることが好ましい。 In the present invention, it is preferable that the ratio of the components and a weight of C 1 -C 9 alcohol 40% -50% and C 6 -C 11 hydrocarbon 40% 60%.
また、本発明では、前記Ｃ1〜Ｃ9アルコールが、メタノール、エタノール、イソプロパノール及びＣ4〜Ｃ9高炭素ノールの中の１種類又は複数種類の混合物であり、前記Ｃ6〜Ｃ11炭化水素が、ヘキサン、トルエン、キシレン、トリメチルベンゼン及びＣ9〜Ｃ11炭化水素の中の１種類又は複数種類の混合物であることが好ましい。 In the present invention, the C 1 -C 9 alcohol is a mixture of one or more of methanol, ethanol, isopropanol and C 4 -C 9 high carbonanol, and the C 6 -C 11 hydrocarbon. Is preferably a mixture of one or more of hexane, toluene, xylene, trimethylbenzene and C 9 -C 11 hydrocarbons.
また、本発明では、構成成分及び重量の割合が、メタノール７０％、キシレン２０％、高炭素ノール５％及びＣ9〜Ｃ11炭化水素５％であることが好ましい。 In the present invention, the proportion of components and weight, 70% methanol, 20% xylene, is preferably a high-carbon Nord 5% and C 9 -C 11 hydrocarbon 5%.
また、本発明では、構成成分及び重量の割合が、ヘキサン８５％、エタノール５％、イソプロパノール５％及びＣ9〜Ｃ11炭化水素５％であることが好ましい。 In the present invention, the proportion of components and weight, hexane 85%, 5% ethanol, is preferably 5% isopropanol and C 9 -C 11 hydrocarbon 5%.
本発明は、高効率省エネの天然ガス添加物を利用する切断加工を提供する。 The present invention provides a cutting process using a highly efficient and energy-saving natural gas additive.
本発明は、高効率省エネの天然ガス添加物を利用する加熱操作を提供する。 The present invention provides a heating operation utilizing a highly efficient and energy-saving natural gas additive.
以下、本発明の有益な効果について説明する。 Hereinafter, beneficial effects of the present invention will be described.
（１）本発明に係る添加物には、腐食性がない。本発明に係る添加物についてＧＢ／Ｔ５０９６の方法にしたがって直接サンプル試験をした結果、銅板の腐食がI級であった。すなわち、本発明に係る添加物は、鋼材に対して全く腐食性がな
く、長期的に使用することができる。既存の添加物が添加された天然ガスは、鋼つぼや鋼パイプの壁を腐食して漏れ出し、爆発や発火などの安全面の問題を生じ得るが、本発明によれば当該問題を抑制することができる。
(1) The additive according to the present invention is not corrosive. The additive according to the present invention was directly subjected to a sample test according to the method of GB / T5096. As a result, the corrosion of the copper plate was class I. That is, the additive according to the present invention has no corrosiveness to the steel material and can be used for a long time. Natural gas to which existing additives have been added corrodes and leaks the walls of steel pots and steel pipes, and may cause safety problems such as explosions and fires, but according to the present invention, these problems are suppressed. be able to.
（２）本発明に係る添加物は、常温で無固形成分であり、天然ガスに完全に溶解する。そのため、本発明によれば、気液混合体になることや、パイプに設けられる減圧弁のゴム膜が膨潤して破損することが防止され、天然ガスに長期的に使用することができる。 (2) The additive according to the present invention is a solid component at room temperature and is completely dissolved in natural gas. Therefore, according to the present invention, it is possible to prevent a gas-liquid mixture or a rubber film of a pressure reducing valve provided on a pipe from being swollen and damaged, and can be used for a long time for natural gas.
（３）本発明に係る添加物は、増効性が非常に高い。本発明によれば、切断焔の温度を３１５０〜３４５０℃に昇温することができ、使用性能が大きく改善する。ひいては、予熱穿孔の時間が短くなり、切断速度が早く、実際に使用する際の性能が高くなる。 (3) The additive according to the present invention has very high efficacy. According to the present invention, the temperature of the cutting bar can be raised to 3150 to 3450 ° C., and the usage performance is greatly improved. As a result, the preheating drilling time is shortened, the cutting speed is high, and the performance in actual use is increased.
（４）本発明に係る添加物は、適用広範が広い。本発明に係る添加物を天然ガスの切断ガスに添加し、Ｑ２３５Ｂ、Ｄ３６、ＡＨ３２、Ｑ３４５Ｂ、Ｑ２３５Ａ、船舶用鋼板など、多種の材質の鋼板を切断することができる。本発明に係る添加物は、密閉船室にも適用することができ、プロパンや液化石油ガスよりも安全で信頼性が高い。 (4) The additive according to the present invention has a wide range of applications. The additive according to the present invention can be added to a natural gas cutting gas to cut steel plates of various materials such as Q235B, D36, AH32, Q345B, Q235A, and marine steel plates. The additive according to the present invention can be applied to a sealed cabin and is safer and more reliable than propane and liquefied petroleum gas.
（５）本発明に係る添加物は、使用コストが低く、エネルギー消費量が少ない。本発明に係る添加物を１トン添加した天然ガスを使用した場合の切断効率は、ピュアプロパン２トン以上を使用した場合の切断効率に相当する。すなわち、本発明による省エネ率は５０％以上である。 (5) The additive according to the present invention has a low use cost and low energy consumption. The cutting efficiency when using natural gas to which 1 ton of additive according to the present invention is added corresponds to the cutting efficiency when using 2 tons or more of pure propane. That is, the energy saving rate according to the present invention is 50% or more.
以下、具体的な実施例を参照しつつ、本発明に係る添加物の製造方法や技術的効果について説明する。 Hereinafter, the manufacturing method and technical effect of the additive according to the present invention will be described with reference to specific examples.
実施例１ Example 1
実施例１は、本発明に係る高効率省エネの天然ガス添加物において、構成成分及び重量の割合が、メタノール２０％、エタノール２０％、トルエン３０％及びキシレン３０％のものである。 Example 1 is a high-efficiency and energy-saving natural gas additive according to the present invention in which the components and weight ratios are 20% methanol, 20% ethanol, 30% toluene, and 30% xylene.
実施例１に係る添加物について、ＧＢ／Ｔ５０９６にしたがって直接サンプル試験をした結果、銅板の腐食がI級であった。すなわち、実施例１に係る添加物
は、鋼材に対して全く腐食性がない。
The additive according to Example 1 was directly subjected to a sample test in accordance with GB / T5096. As a result, the corrosion of the copper plate was class I. That is, the additive according to Example 1 has no corrosiveness to the steel material.
実施例１に係る添加物は、加熱操作や溶接切断のために、都市天然ガスパイプ、天然ガス鋼つぼ、液化天然ガスを気化したガスを搬送するパイプなどに入れることができる。 The additive according to Example 1 can be put into a city natural gas pipe, a natural gas steel crucible, a pipe carrying a gas obtained by vaporizing liquefied natural gas, or the like for heating operation or welding cutting.
実施例１に係る添加物の効果を確かめるために、以下の実験を行った。
切断材料： ６ｍｍのＱ２３５鋼板
切断気体： 市販の永泰増効プロパン、及び、実施例１に係る添加物が添加された天然ガス
In order to confirm the effect of the additive according to Example 1, the following experiment was performed.
Cutting material: 6mm Q235 steel plate Cutting gas: Commercially available Yongtai-enhanced propane and natural gas added with the additive according to Example 1
表１に、実験結果を示す。
表１ 永泰増効プロパンと、実施例１に係る添加物が添加された天然ガスとの比較
Table 1 Comparison between Yongtai-enhanced propane and natural gas to which the additive according to Example 1 was added
結論： 実施例１に係る添加物が添加された天然ガス１トンはプロパン２．２トンに相当する。実施例１の省エネ率は５４．８％である。 Conclusion: 1 ton of natural gas to which the additive according to Example 1 is added corresponds to 2.2 ton of propane. The energy saving rate of Example 1 is 54.8%.
実施例２ Example 2
実施例２は、本発明に係る高効率省エネの天然ガス添加物において、構成成分及び重量の割合が、メタノール７０％、キシレン２０％、高炭素ノール５％及びＣ9〜Ｃ11炭化水素５％のものである。 Example 2 is a high-efficiency and energy-saving natural gas additive according to the present invention, in which the proportions of components and weight are 70% methanol, 20% xylene, 5% high carbonanol, and 5% C 9 to C 11 hydrocarbons. belongs to.
実施例２に係る添加物について、ＧＢ／Ｔ５０９６にしたがって直接サンプル試験をした結果、銅板の腐食がI級であった。すなわち、実施例２に係る添加物
は、鋼材に対して全く腐食性がない。
The additive according to Example 2 was directly subjected to a sample test according to GB / T5096, and as a result, the corrosion of the copper plate was class I. That is, the additive according to Example 2 has no corrosiveness to the steel material.
実施例２に係る添加物は、加熱操作や溶接切断のために、都市天然ガスパイプ、天然ガス鋼つぼ、液化天然ガスを気化したガスを搬送するパイプなどに入れることができる。 The additive according to Example 2 can be put into a city natural gas pipe, a natural gas steel crucible, a pipe carrying a gas obtained by vaporizing liquefied natural gas, or the like for heating operation or welding cutting.
実施例２に係る添加物の効果を確かめるために、以下の実験を行った。
切断材料： ８ｍｍのＱ２３５Ｂ鋼板
切断気体： 市販の増効液化天然ガス、及び、実施例２に係る添加物が添加された天然ガス
In order to confirm the effect of the additive according to Example 2, the following experiment was performed.
Cutting material: 8mm Q235B steel plate Cutting gas: Commercially available enhanced liquefied natural gas and natural gas to which the additive according to Example 2 was added
表２に、実験結果を示す。
表２ 増効液化天然ガスと、実施例２に係る添加物が添加された天然ガスとの比較
Table 2 Comparison between enhanced liquefied natural gas and natural gas to which the additive according to Example 2 was added
結論： 実施例２に係る添加物が添加された天然ガス１トンは液化天然ガス２．３２トンに相当する。実施例２の省エネ率は５６．９％である。 Conclusion: 1 ton of natural gas to which the additive according to Example 2 is added corresponds to 2.32 ton of liquefied natural gas. The energy saving rate of Example 2 is 56.9%.
実施例３ Example 3
実施例３は、本発明に係る高効率省エネの天然ガス添加物において、構成成分及び重量の割合が、メタノール２０％、高炭素ノール４０％、ヘキサン３０％及びキシレン１０％のものである。 Example 3 is a high-efficiency and energy-saving natural gas additive according to the present invention in which components and weight ratios are 20% methanol, 40% high-carbonol, 30% hexane, and 10% xylene.
実施例３に係る添加物について、ＧＢ／Ｔ５０９６にしたがって直接サンプル試験をした結果、銅板の腐食がI級であった。すなわち、実施例３に係る添加物
は、鋼材に対して全く腐食性がない。
The additive according to Example 3 was directly subjected to a sample test in accordance with GB / T5096. As a result, the corrosion of the copper plate was class I. That is, the additive according to Example 3 has no corrosiveness to the steel material.
実施例３に係る添加物は、加熱操作や溶接切断のために、都市天然ガスパイプ、天然ガス鋼つぼ、液化天然ガスを気化したガスを搬送するパイプなどに入れることができる。 The additive according to Example 3 can be put into a city natural gas pipe, a natural gas steel crucible, a pipe carrying a gas obtained by vaporizing liquefied natural gas, or the like for heating operation or welding cutting.
実施例３に係る添加物の効果を確かめるために、以下の実験を行った。
切断材料： １３ｍｍのＤ３６鋼板
切断気体： 市販のプロパン、及び、実施例３に係る添加物が添加された天然ガス
In order to confirm the effect of the additive according to Example 3, the following experiment was performed.
Cutting material: 13 mm D36 steel sheet Cutting gas: Commercially available propane and natural gas to which the additive according to Example 3 was added
表３に、実験結果を示す。
表３ プロパンと、実施例３に係る添加物が添加された天然ガスとの比較
Table 3 Comparison between propane and natural gas to which the additive according to Example 3 was added
結論： 実施例３に係る添加物が添加された天然ガス１トンはプロパン２．１６トンに相当する。実施例３の省エネ率は５３．７％である。 Conclusion: 1 ton of natural gas to which the additive according to Example 3 was added corresponds to 2.16 ton of propane. The energy saving rate of Example 3 is 53.7%.
実施例４ Example 4
実施例４は、本発明に係る高効率省エネの天然ガス添加物において、構成成分及び重量の割合が、メタノール１０％、エタノール２０％、高炭素アルコール２０％、ヘキサン２０％、トルエン１０％及びキシレン１０％のものである。 Example 4 is a high-efficiency and energy-saving natural gas additive according to the present invention, in which components and weight ratios are 10% methanol, 20% ethanol, 20% high-carbon alcohol, 20% hexane, 10% toluene, and xylene. 10%.
実施例４に係る添加物について、ＧＢ／Ｔ５０９６にしたがって直接サンプル試験をした結果、銅板の腐食がI級であった。すなわち、実施例４に係る添加物
は、鋼材に対して全く腐食性がない。
The additive according to Example 4 was directly subjected to a sample test in accordance with GB / T5096. As a result, the corrosion of the copper plate was class I. That is, the additive according to Example 4 has no corrosiveness to the steel material.
実施例４に係る添加物は、加熱操作や溶接切断のために、都市天然ガスパイプ、天然ガス鋼つぼ、液化天然ガスを気化したガスを搬送するパイプなどに入れることができる。 The additive according to Example 4 can be put into a city natural gas pipe, a natural gas steel crucible, a pipe carrying a gas obtained by vaporizing liquefied natural gas, or the like for a heating operation or welding cutting.
実施例４に係る添加物の効果を確かめるために、以下の実験を行った。
切断材料： １６ｍｍのＡＨ３２鋼板
切断気体： 市販のプロパン、及び、実施例４に係る添加物が添加された天然ガス
In order to confirm the effect of the additive according to Example 4, the following experiment was performed.
Cutting material: 16 mm AH32 steel plate Cutting gas: Commercially available propane and natural gas to which the additive according to Example 4 was added
表４に、実験結果を示す。
表４ プロパンと、実施例４に係る添加物が添加された天然ガスとの比較
Table 4 Comparison between propane and natural gas to which the additive according to Example 4 was added
結論： 実施例４に係る添加物が添加された天然ガス１トンはプロパン２．１５トンに相当する。実施例４の省エネ率は５３．３％である。 Conclusion: 1 ton of natural gas to which the additive according to Example 4 was added corresponds to 2.15 ton of propane. The energy saving rate of Example 4 is 53.3%.
実施例５ Example 5
実施例５は、本発明に係る高効率省エネの天然ガス添加物において、構成成分及び重量の割合が、メタノール２０％、エタノール１０％、高炭素ノール１０％、ヘキサン１０％、トルエン２０％及びキシレン３０％のものである。 Example 5 is a high-efficiency and energy-saving natural gas additive according to the present invention in which components and weight ratios are 20% methanol, 10% ethanol, 10% high carbonanol, 10% hexane, 20% toluene, and xylene. 30%.
実施例５に係る添加物について、ＧＢ／Ｔ５０９６にしたがって直接サンプル試験をした結果、銅板の腐食がI級であった。すなわち、実施例５に係る添加物
は鋼材に対して、全く腐食性がない。
The additive according to Example 5 was directly subjected to a sample test in accordance with GB / T5096. As a result, the corrosion of the copper plate was class I. That is, the additive according to Example 5 is not corrosive to the steel material.
実施例５に係る添加物は、加熱操作や溶接切断のために、都市天然ガスパイプ、天然ガス鋼つぼ、液化天然ガスを気化したガスを搬送するパイプなどに入れることができる。 The additive according to Example 5 can be put into a city natural gas pipe, a natural gas steel crucible, a pipe carrying a gas obtained by vaporizing liquefied natural gas, or the like for a heating operation or welding cutting.
実施例５に係る添加物の効果を確かめるために、以下の実験を行った。
切断材料： ２６ｍｍの船舶用鋼板
切断気体： 市販の舟山劃時代増効天然ガス、及び、実施例５に係る添加物が添加された天然ガス
In order to confirm the effect of the additive according to Example 5, the following experiment was performed.
Cutting material: Steel plate for ship of 26 mm Cutting gas: Commercially available natural gas of the Zhoushan era enhanced natural gas, and natural gas to which the additive according to Example 5 was added
表５に、実験結果を示す。
表５ 舟山劃時代増効天然ガスと、実施例５に係る添加物が添加された天然ガスとの比較
Table 5 Comparison of Funayama Pass Era Natural Gas with Natural Gas with Additives of Example 5
結論： 実施例５に係る添加物が添加された天然ガス１トンは舟山劃時代増効天然ガス２．０３トンに相当する。実施例５の省エネ率は５０．７％である。 Conclusion: 1 ton of natural gas to which the additive according to Example 5 was added corresponds to 2.03 ton of natural gas enhanced in the Zhoushan era. The energy saving rate of Example 5 is 50.7%.
実施例６ Example 6
実施例６は、本発明に係る高効率省エネの天然ガス添加物において、構成成分及び重量の割合が、メタノール２０％、エタノール１０％、イソプロパノール１０％、高炭素アルコール１０％、ヘキサン１０％、トルエン２０％、キシレン１０％及びトリメチルベンゼン１０％のものである。 Example 6 is a highly efficient and energy-saving natural gas additive according to the present invention in which the components and weight ratios are 20% methanol, 10% ethanol, 10% isopropanol, 10% high carbon alcohol, 10% hexane, toluene. 20%, xylene 10% and trimethylbenzene 10%.
実施例６に係る添加物について、ＧＢ／Ｔ５０９６にしたがって直接サンプル試験をした結果、銅板の腐食がI級であった。すなわち、実施例６に係る添加物
は、鋼材に対して全く腐食性がない。
The additive according to Example 6 was directly subjected to a sample test in accordance with GB / T5096. As a result, the corrosion of the copper plate was class I. That is, the additive according to Example 6 has no corrosiveness to the steel material.
実施例６に係る添加物は、加熱操作や溶接切断のために、都市天然ガスパイプ、天然ガス鋼つぼ、液化天然ガスを気化したガスを搬送するパイプなどに入れることができる。 The additive according to Example 6 can be put into a city natural gas pipe, a natural gas steel crucible, a pipe carrying a gas obtained by vaporizing liquefied natural gas, or the like for heating operation or welding cutting.
実施例６に係る添加物の効果を確かめるために、以下の実験を行った。
切断材料： ６５ｍｍのＱ２３５Ａ鋼板
切断気体： 市販の遠舟公司増効天然ガス、及び、実施例６に係る添加物が添加された天然ガス
In order to confirm the effect of the additive according to Example 6, the following experiment was performed.
Cutting material: 65mm Q235A steel plate Cutting gas: Commercially available Enbune Inc. natural gas and natural gas to which the additive according to Example 6 was added
表６に、実験結果を示す。
表６ 遠舟公司増効天然ガスと、実施例６に係る添加物が添加された天然ガスとの比較
Table 6 Comparison of Enshu Corporation enhanced natural gas and natural gas to which the additive according to Example 6 was added
結論： 実施例６に係る添加物が添加された天然ガス１トンは遠舟公司増効天然ガス２．３４トンに相当する。実施例６の省エネ率は５７．３％である。 Conclusion: 1 ton of natural gas to which the additive according to Example 6 was added corresponds to 2.34 ton of Enshu Corporation enhanced natural gas. The energy saving rate of Example 6 is 57.3%.
実施例７ Example 7
実施例７は、本発明に係る高効率省エネの天然ガス添加物において、構成成分及び重量の割合が、ヘキサン８５％、エタノール５％、イソプロパノール５％及びＣ9〜Ｃ11炭化水素５％。のものである。 Example 7 is a high-efficiency and energy-saving natural gas additive according to the present invention, in which the proportions of components and weight are 85% hexane, 5% ethanol, 5% isopropanol, and 5% C 9 to C 11 hydrocarbons. belongs to.
実施例７に係る添加物について、ＧＢ／Ｔ５０９６にしたがって直接サンプル試験をした結果、銅板の腐食がI級であった。すなわち、実施例７に係る添加物
は、鋼材に対して全く腐食性がない。
The additive according to Example 7 was directly subjected to a sample test according to GB / T5096. As a result, the corrosion of the copper plate was Class I. That is, the additive according to Example 7 has no corrosiveness to the steel material.
実施例７に係る添加物は、加熱操作や溶接切断のために、都市天然ガスパイプ、天然ガス鋼つぼ、液化天然ガスを気化したガスを搬送するパイプなどに入れることができる。 The additive according to Example 7 can be put into a city natural gas pipe, a natural gas steel crucible, a pipe carrying a gas obtained by vaporizing liquefied natural gas, or the like for heating operation or welding cutting.
実施例７に係る添加物の効果を確かめるために、以下の実験を行った。
切断材料： ８ｍｍ、１０ｍｍ、１２ｍｍ、１４ｍｍのＱ３４５Ｂ鋼板
切断気体： 市販の舟山劃時代増効天然ガス、及び、実施例７に係る添加物が添加された天然ガス
In order to confirm the effect of the additive according to Example 7, the following experiment was performed.
Cutting material: 8mm, 10mm, 12mm, 14mm Q345B steel sheet Cutting gas: Commercially available natural gas of the Zhoushan era enhanced natural gas, and natural gas to which the additive according to Example 7 was added
表７に、実験結果を示す。
表７ 舟山劃時代増効天然ガスと、実施例７に係る添加物が添加された天然ガスとの比較
Table 7 Comparison of Funayama Pass Era Natural Gas with Natural Gas with Additives of Example 7
結論： 実施例７に係る添加物が添加された天然ガス１トンは舟山劃時代増効天然ガス２．３９トンに相当する。実施例７の省エネ率は５８．１％である。 Conclusion: 1 ton of natural gas to which the additive according to Example 7 was added corresponds to 2.39 ton of natural gas enhanced in the Zhoushan era. The energy saving rate of Example 7 is 58.1%.
実施例７に係る添加物の予熱穿孔効果を確かめるために、以下の実験を行った。
穿孔される材料： ４０ｍｍ冷延鋼板
予熱穿孔方法： プロパン−酸素焔法、アセチレン−酸素焔法、実施例２に係る添加物が添加された天然ガス−酸素焔法、実施例７に係る添加物天然ガス−酸素焔法
In order to confirm the preheat drilling effect of the additive according to Example 7, the following experiment was performed.
Material to be perforated: 40 mm cold-rolled steel sheet Preheating perforation method: propane-oxygen soot method, acetylene-oxygen soot method, natural gas-oxygen soot method to which the additive according to Example 2 is added, additive according to Example 7 Natural gas-oxygen drought method
表８に、実験結果を示す。
表８ プロパン−酸素焔法、アセチレン−酸素焔法、実施例２に係る添加物が添加された天然ガス−酸素焔法、及び、実施例７に係る添加物が添加された天然ガス−酸素焔法の比較
Table 8 Propane-oxygen soot method, acetylene-oxygen soot method, natural gas-oxygen soot method with the additive according to Example 2 added, and natural gas-oxygen soot with the additive according to Example 7 added Law comparison
結論： 上記の実験は、重量流率（一分間の異なるガスの重量）が同じ条件で実施した実験である。実験の結果、実施例２に係る添加物が添加された天然ガス−酸素焔法と、実施例７に係る添加物が添加された天然ガス−酸素焔法とを利用した場合、予熱穿孔時間は、既存の方法より遥かに短くなった。本発明の効果は明らかに高く、実際に使用する際の性能も非常に良いと考えられる。 Conclusion: The above experiment was conducted under the same conditions of weight flow rate (weight of different gases per minute). As a result of the experiment, when using the natural gas-oxygen soot method to which the additive according to Example 2 was added and the natural gas-oxygen soot method to which the additive according to Example 7 was added, the preheating drilling time was , Much shorter than the existing method. The effect of the present invention is clearly high, and the performance when actually used is considered to be very good.
本発明による焔温度を高める効果を確かめるために、以下の実験を行った。
焔温度測定方法： クルルバウム−フェリのナトリウム線反転法により測定
焔種類： ピュア天然ガス−酸素焔、プロパン−酸素焔、アセチレン−酸素焔、実施例２に係る添加物が添加された天然ガス−酸素焔、実施例７に係る添加物が添加された天然ガス−酸素焔
In order to confirm the effect of increasing the soot temperature according to the present invention, the following experiment was conducted.
焔 Temperature measurement method: Measured by the sodium wire inversion method of Kururbaum-Ferri 焔 Type: Pure natural gas-oxygen soot, propane-oxygen soot, acetylene-oxygen soot, natural gas-oxygen to which the additive according to Example 2 is added天然, natural gas-oxygen 焔 added with the additive according to Example 7
表９に、実験結果を示す。
表９ ピュア天然ガス−酸素焔、プロパン−酸素焔、アセチレン−酸素焔、実施例２に係る添加物が添加された天然ガス−酸素焔、及び、実施例７に係る添加物が添加された天然ガス−酸素焔の比較
Table 9 Pure natural gas-oxygen soot, propane-oxygen soot, acetylene-oxygen soot, natural gas-oxygen soot to which the additive according to Example 2 was added, and natural to which the additive according to Example 7 was added Gas-oxygen soot comparison
結論： 実験の結果、実施例２に係る添加物が添加された天然ガス−酸素焔と、実施例７に係る添加物が添加された天然ガス−酸素焔とを利用した場合、焔温度は、ピュア天然ガス−酸素焔、プロパン−酸素焔及びアセチレン−酸素焔を利用した場合より明らかに高かった。すなわち、本発明は非常に良い応用性を有する。 Conclusion: As a result of the experiment, when using the natural gas-oxygen soot added with the additive according to Example 2 and the natural gas-oxygen soot added with the additive according to Example 7, the soot temperature is It was clearly higher than when pure natural gas-oxygen soot, propane-oxygen soot and acetylene-oxygen soot were used. That is, the present invention has very good applicability.
Claims (8)
前記Ｃ6〜Ｃ11炭化水素が、ヘキサン、トルエン、キシレン、トリメチルベンゼン及びＣ9〜Ｃ11炭化水素の中の１種類又は複数種類の混合物であることを特徴とする、請求項１〜３のいずれか１項に記載の高効率省エネの天然ガス添加物。 The C 1 -C 9 alcohol is a mixture of one or more of methanol, ethanol, isopropanol and C 4 -C 9 high carbonol,
The C 6 -C 11 hydrocarbon is one kind or a mixture of plural kinds of hexane, toluene, xylene, trimethylbenzene, and C 9 -C 11 hydrocarbon, The high-efficiency and energy-saving natural gas additive according to any one of the above items.
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| CN201310112226.6A CN103146446B (en) | 2013-04-01 | 2013-04-01 | High-efficiency energy-saving natural gas additive and application thereof |
| PCT/CN2013/074343 WO2014161208A1 (en) | 2013-04-01 | 2013-04-18 | High-efficiency and energy-saving natural gas additive and use thereof |
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| CN108067702B (en) * | 2017-12-13 | 2019-08-23 | 代纪东 | A kind of continuous casting steel billet Synergistic and energy-saving cutting method |
| WO2020065681A1 (en) * | 2018-09-28 | 2020-04-02 | Auto Lng Cryo Solution Llp | An additives composition for natural hydrocarbon-based fuels |
| CN113528204A (en) * | 2021-07-15 | 2021-10-22 | 山东路盛源新能源科技有限公司 | High-flash ignition gas additive and preparation method thereof |
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| JPS5323301A (en) * | 1976-08-16 | 1978-03-03 | Koike Sanso Kogyo Kk | Fuel gas for melt cutting and method of its production |
| CN1009834B (en) * | 1987-11-30 | 1990-10-03 | 龙昂 | Liquid fuel composition |
| US4830772A (en) * | 1988-06-10 | 1989-05-16 | Hoechst Celanese Corporation | Stripper composition for removal of protective coatings |
| JPH08504839A (en) * | 1992-03-04 | 1996-05-28 | シェパード クリスチーン メアリー | Reinforced hydrocarbons and methods of making and using the same |
| JPH11106769A (en) * | 1997-10-02 | 1999-04-20 | Toagosei Co Ltd | Ethylene mixture composition for gas pressure welding of steel material |
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| CN1923983A (en) * | 2005-09-03 | 2007-03-07 | 十堰德润佳业科技开发有限公司 | Combustion-supporting additive for improving natural gas flame temperature |
| WO2007142475A1 (en) * | 2006-06-09 | 2007-12-13 | Yong Man Lee | Alternative fuel preventing phase separation for internal combustion engines |
| CN101020849B (en) * | 2007-03-15 | 2010-09-29 | 舟山市三安工业气体有限责任公司 | Environment protection additive for welding and cutting natural gas |
| CN101089152B (en) * | 2007-07-10 | 2010-07-28 | 熊世平 | Industrial fuel gas for metal welding and cutting in high efficiency and low consumption |
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