CN103740422B - The cutting gas and preparation method thereof of methane gas burning thermal efficiency can be improved - Google Patents
The cutting gas and preparation method thereof of methane gas burning thermal efficiency can be improved Download PDFInfo
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- CN103740422B CN103740422B CN201310739485.1A CN201310739485A CN103740422B CN 103740422 B CN103740422 B CN 103740422B CN 201310739485 A CN201310739485 A CN 201310739485A CN 103740422 B CN103740422 B CN 103740422B
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Abstract
The present invention provides a kind of cutting gas and preparation method thereof that can improve methane gas burning thermal efficiency；The cutting gas bag includes catalysis heating agent and methane gas.Each component including following mass fraction: 10~30 parts of 190# industrial naptha, 10~25 parts of petroleum ether, 20~30 parts of dehydrated alcohol, 10~15 parts of allyl alcohol, 10~15 parts of acetone, 10~15 parts of propilolic alcohol, raw 5~10 parts of tung oil, 3~5 parts of dimethicone, 0.5~1.5 part of the potassium ferricyanide, 1~3 part of 3-cyanopyridine.The invention further relates to the preparation methods of aforementioned cutting gas.The advantages that cutting gas that the present invention improves methane gas burning thermal efficiency has energy-saving efficiency significant, and burning velocity is fast, and flame temperature is high, and cutting horizontal is high.The cutting gas that the present invention improves methane gas burning thermal efficiency is applied in metal flame welding technique, is saved fuel and is reached 20% or more, is saved oxygen and is reached 25% or more.
Description
Technical field
The present invention relates to a kind of high thermal energy methane gas to cut gas, and in particular, to a kind of to improve methane gas burning
Cutting gas of thermal efficiency and preparation method thereof.
Background technique
Methane is primarily present in natural gas, and in coal bed gas and biogas, methane gas calorific value is compared with propane gas and acetylene gas
All low, burning point is higher, and the flame temperature in oxygen is only 2600 DEG C or so, than propane flammable gas and acetylene in industrial welding field
Qigong effect is low, and use cost is caused to increase.It is unfavorable for industrial applications.Methane gas burning velocity in oxygen is slow, thermal decomposition
Energy consumption is big, and unit calorific value is low, carries out metal flame welding technique, methane gas consumption using methane gas under square one
Combustion gas and oxygen be above propane flammable gas and acetylene gas.Methane gas burning velocity in oxygen is 450 (cm/s), and acetylene is in oxygen
Burning velocity is 1140 (cm/s) in gas, by the comparison of above-mentioned burning velocity as can be seen that the burning velocity of methane gas is remote
Lower than acetylene gas.
Summary of the invention
For the defects in the prior art, methane gas burning thermal efficiency can be improved the object of the present invention is to provide a kind of
Cut gas and preparation method thereof.
The present invention is achieved by the following technical solutions:
In a first aspect, the present invention relates to a kind of cutting gas that can improve methane gas burning thermal efficiency, the cutting gas bag
Include catalysis heating agent and methane gas；The mass ratio of the catalysis heating agent and methane gas is 1:100；
The catalysis heating agent is grouped as by each group of following mass fraction:
The 190# industrial naptha that catalysis heating agent of the invention contains, raw tung oil, acetone can effectively promote combustion gas heat
Value；There are olefinic double bonds in allyl alcohol molecule, fuel gas buring temperature can be improved；Propilolic alcohol, the potassium ferricyanide, the change in 3-cyanopyridine
It learns key to be extremely easy in decomposition, accelerates chemical combustion reaction speed, transient rise ignition temperature；Dimethicone has inoxidizability, can
The reproducibility for enhancing combustion gas is conducive to metal flame welding and improves reduction flame ratio.
Second aspect, the invention further relates to the preparation sides of the cutting gas above-mentioned that can improve methane gas burning thermal efficiency
Method, described method includes following steps:
Step 1 is catalyzed the preparation of heating agent:
(1) in acetone by potassium ferricyanide dissolution, uniform stirring, sealing place sufficiently dissolution, it is molten to obtain potassium ferricyanide acetone
Liquid；
(2) 3-cyanopyridine is dissolved in petroleum ether, uniform stirring, sufficiently dissolution is placed in sealing, obtains 3-cyanopyridine petroleum
Ethereal solution；
(3) allyl alcohol is dissolved in dehydrated alcohol, sufficiently dissolution is placed in sealing, obtains allyl alcohol ethanol solution；
(4) by potassium ferricyanide acetone soln, 3-cyanopyridine petroleum ether solution, allyl alcohol ethanol solution and the 190#
Industrial naptha, raw tung oil, dimethicone, propilolic alcohol mixing, stirring, sealing place sufficiently dissolution, can must be catalyzed heating agent；
The catalysis heating agent is added in methane gas by step 2, and methane gas burning can be improved by obtaining final product
The cutting gas of thermal efficiency；
In step (1), the mixing time is 5 minutes, and the standing time is 1~2 hour.
Preferably, each component mass fraction used in the method is as follows:
Preferably, in step (2), the mixing time is 5 minutes, and the standing time is 2 hours.
Preferably, in step (4), the mixing time is 5 minutes, and the standing time is 1~2 hour.
Compared with prior art, the present invention have it is following the utility model has the advantages that
(1) present invention catalysis heating agent contains 190# industrial naptha, raw tung oil, and acetone can effectively promote combustion gas heat
Value；There are olefinic double bonds in allyl alcohol molecule, fuel gas buring temperature can be improved；Propilolic alcohol, the potassium ferricyanide, the change in 3-cyanopyridine
It learns key to be extremely easy in decomposition, accelerates chemical combustion reaction speed, transient rise ignition temperature；Dimethicone has inoxidizability, can
The reproducibility for enhancing combustion gas is conducive to metal flame welding and improves reduction flame ratio.
(2) the cutting gas that the present invention improves methane gas burning thermal efficiency has energy-saving efficiency significant, and burning velocity is fast, fire
The advantages that flame temperature is high, and cutting horizontal is high.
(3) the cutting gas that the present invention improves methane gas burning thermal efficiency is applied in metal flame welding technique, is saved
Fuel reaches 20% or more, saves oxygen and reaches 25% or more；And use is safe, compared with acetylene, is not easy to be tempered, uses peace
It is complete reliable.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
Embodiment 1
The present embodiment is related to a kind of preparation method of cutting gas that can improve methane gas burning thermal efficiency, the method packet
Include following steps:
Step 1 is catalyzed the preparation of heating agent:
(1) the 0.5g potassium ferricyanide being dissolved in 10g acetone, uniform stirring 5 minutes, sealing, which is placed, fills 2 small time-division dissolutions,
Obtain potassium ferricyanide acetone soln；
(2) 1.5g 3-cyanopyridine is dissolved in 18g petroleum ether, uniform stirring 5 minutes, sealing placement 2 hours sufficiently molten
Solution, obtains 3-cyanopyridine petroleum ether solution；
(3) 10g allyl alcohol is dissolved in 22g dehydrated alcohol, sufficiently dissolution in 2 hours is placed in sealing, and it is anhydrous to obtain allyl alcohol
Ethanol solution；
(4) by potassium ferricyanide acetone soln, 3-cyanopyridine petroleum ether solution, allyl alcohol ethanol solution with it is described
Sufficiently dissolution is placed in 30g190# industrial naptha, the raw tung oil of 5g, 3g dimethicone, the mixing of 10g propilolic alcohol, stirring, sealing, i.e.,
It can must be catalyzed heating agent；
10 grams of catalysis heating agents are added in 1 kilogram of methane gas by step 2, and methane gas can be improved by obtaining final product
The cutting gas of burning thermal efficiency.
Embodiment 2
The present embodiment is related to a kind of preparation method of cutting gas that can improve methane gas burning thermal efficiency, the method packet
Include following steps:
Step 1 is catalyzed the preparation of heating agent:
(1) the 1.5g potassium ferricyanide being dissolved in 15g acetone, uniform stirring 5 minutes, sealing, which is placed, fills 2 small time-division dissolutions,
Obtain potassium ferricyanide acetone soln；
(2) 1g 3-cyanopyridine being dissolved in 10g petroleum ether, uniform stirring 5 minutes, sufficiently dissolution in 2 hours is placed in sealing,
Obtain 3-cyanopyridine petroleum ether solution；
(3) 15g allyl alcohol is dissolved in 20g dehydrated alcohol, sufficiently dissolution in 2 hours is placed in sealing, and it is anhydrous to obtain allyl alcohol
Ethanol solution；
(4) by potassium ferricyanide acetone soln, 3-cyanopyridine petroleum ether solution, allyl alcohol ethanol solution with it is described
Sufficiently dissolution is placed in 10g190# industrial naptha, the raw tung oil of 10g, 5g dimethicone, the mixing of 15g propilolic alcohol, stirring, sealing, i.e.,
It can must be catalyzed heating agent；
10 grams of catalysis heating agents are added in 1 kilogram of methane gas by step 2, and methane gas can be improved by obtaining final product
The cutting gas of burning thermal efficiency.
Embodiment 3
The present embodiment is related to a kind of preparation method of cutting gas that can improve methane gas burning thermal efficiency, the method packet
Include following steps:
Step 1 is catalyzed the preparation of heating agent:
(1) the 1g potassium ferricyanide is dissolved in 12g acetone, uniform stirring 5 minutes, sealing, which is placed, fills 2 small time-division dissolutions, obtains
Potassium ferricyanide acetone soln；
(2) 3g 3-cyanopyridine being dissolved in 25g petroleum ether, uniform stirring 5 minutes, sufficiently dissolution in 2 hours is placed in sealing,
Obtain 3-cyanopyridine petroleum ether solution；
(3) 13g allyl alcohol is dissolved in 30g dehydrated alcohol, sufficiently dissolution in 2 hours is placed in sealing, and it is anhydrous to obtain allyl alcohol
Ethanol solution；
(4) by potassium ferricyanide acetone soln, 3-cyanopyridine petroleum ether solution, allyl alcohol ethanol solution with it is described
Sufficiently dissolution is placed in 20g190# industrial naptha, the raw tung oil of 8g, 4g dimethicone, the mixing of 12g propilolic alcohol, stirring, sealing, i.e.,
It can must be catalyzed heating agent；
10 grams of catalysis heating agents are added in 1 kilogram of methane gas by step 2, and methane gas can be improved by obtaining final product
The cutting gas of burning thermal efficiency.
The cutting gas that methane gas burning thermal efficiency can be improved as made from above embodiments 1~3, by following test,
Be shown in Table 1 using 40mm the preheating of cold steel plate vertical perforating, punch the time and compare: as that can be obtained made from the embodiment of the present invention 1 in table 1
The preheating time that the cutting gas of methane gas burning thermal efficiency can be improved is 9 seconds, and the time punched is 11 seconds, three kinds of gas phases
Than the cutting gas disposal time that the present invention can improve methane gas burning thermal efficiency is most short.Using in gaseous-pressure 0.04Mpa,
Under conditions of oxygen pressure is 0.5Mpa, is cut, tested using 18mm steel plate equal length: as can be seen from Table 2, the present invention
The gas gas consumption that the cutting of methane gas burning thermal efficiency can be improved made from embodiment 2 is 0.38 kilogram, and flow of oxygen is
It is 1.75 kilograms, few compared with platform natural gas dosage very much, and then saved energy consumption；It is as shown in table 3: it is tested using the cutting of 20mm steel plate,
The gaseous-pressure 0.05Mpa of the cutting gas of methane gas burning thermal efficiency, oxygen pressure can be improved made from the embodiment of the present invention 2
0.6Mpa, Cutting Length 4.9m, cutting speed 600mm/ points, gas consumption 190g, oxygen consumes 0.9kg, compares compared with natural gas,
The cutting moral about burnup that methane gas burning thermal efficiency can have been improved made from the embodiment of the present invention, has saved cost, has burnt
Speed is fast.
Table 1
Table 2
18mm steel plate equal length cuts test record
Table 3
20mm steel plate cuts test record
It can be achieved to save natural gas 20%, oxygen 25% in metal flame welding technique, cutting speed promotes 2 times, work
Part cut quality improves 35%.
Methane gas burning point after catalysis heats reduces, and is easier to light, be shown in Table 4:
Table 4
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (4)
1. a kind of cutting gas that can improve methane gas burning thermal efficiency, which is characterized in that the cutting gas bag includes catalysis and heats
Agent and methane gas；The mass ratio of the catalysis heating agent and methane gas is 1:100；
The catalysis heating agent is grouped as by each group of following mass fraction:
2. one kind can improve the preparation method of the cutting gas of methane gas burning thermal efficiency, feature as described in claim 1
It is, described method includes following steps:
Step 1 is catalyzed the preparation of heating agent:
(1) in acetone by potassium ferricyanide dissolution, uniform stirring, sealing place sufficiently dissolution, it is molten to obtain potassium ferricyanide acetone
Liquid；
(2) 3-cyanopyridine is dissolved in petroleum ether, uniform stirring, sufficiently dissolution is placed in sealing, obtains 3-cyanopyridine petroleum
Ethereal solution；
(3) allyl alcohol is dissolved in dehydrated alcohol, sufficiently dissolution is placed in sealing, obtains allyl alcohol ethanol solution；
(4) by the potassium ferricyanide acetone soln, 3-cyanopyridine petroleum ether solution, allyl alcohol ethanol solution and the 190#
Industrial naptha, raw tung oil, dimethicone, propilolic alcohol mixing, stirring, sealing place sufficiently dissolution, can must be catalyzed heating agent；
The catalysis heating agent is added in methane gas by step 2, and methane gas burning thermal effect can be improved by obtaining final product
The cutting gas of energy；
In step (1), the mixing time is 5 minutes, and the standing time is 1~2 hour.
3. the preparation method of the cutting gas of methane gas burning thermal efficiency can be improved as claimed in claim 2, which is characterized in that
In step (2), the mixing time is 5 minutes, and the standing time is 2 hours
4. the preparation method of the cutting gas of methane gas burning thermal efficiency can be improved as claimed in claim 2, which is characterized in that
In step (4), the mixing time is 5 minutes, and the standing time is 1~2 hour.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310739485.1A CN103740422B (en) | 2013-12-27 | 2013-12-27 | The cutting gas and preparation method thereof of methane gas burning thermal efficiency can be improved |
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| CN103740422B true CN103740422B (en) | 2019-08-23 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1206039A (en) * | 1997-07-18 | 1999-01-27 | 曾兆祥 | Acetylene substituting high-energy fuel gas and its additive |
| CN1537925A (en) * | 2003-10-22 | 2004-10-20 | 贵州七星科技发展有限公司 | Safety environmental protection industrial welding cutting gas using matural gas as main raw material |
| CN1660975A (en) * | 2004-02-27 | 2005-08-31 | 王晓东 | High-efficiency metal cutting gas |
| CN101985573A (en) * | 2010-11-11 | 2011-03-16 | 重庆恒盛能源开发有限公司 | High-precision natural gas cutting gas |
| CN102618340A (en) * | 2012-04-11 | 2012-08-01 | 刘越 | Efficient cutting gas used for continuous casting and based on coke oven gas |
| CN102851089A (en) * | 2011-06-28 | 2013-01-02 | 张国平 | Methane gas catalytic combustion agent |
-
2013
- 2013-12-27 CN CN201310739485.1A patent/CN103740422B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1206039A (en) * | 1997-07-18 | 1999-01-27 | 曾兆祥 | Acetylene substituting high-energy fuel gas and its additive |
| CN1537925A (en) * | 2003-10-22 | 2004-10-20 | 贵州七星科技发展有限公司 | Safety environmental protection industrial welding cutting gas using matural gas as main raw material |
| CN1660975A (en) * | 2004-02-27 | 2005-08-31 | 王晓东 | High-efficiency metal cutting gas |
| CN101985573A (en) * | 2010-11-11 | 2011-03-16 | 重庆恒盛能源开发有限公司 | High-precision natural gas cutting gas |
| CN102851089A (en) * | 2011-06-28 | 2013-01-02 | 张国平 | Methane gas catalytic combustion agent |
| CN102618340A (en) * | 2012-04-11 | 2012-08-01 | 刘越 | Efficient cutting gas used for continuous casting and based on coke oven gas |
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