CN113249152A - Natural gas synergist for metal cutting - Google Patents
Natural gas synergist for metal cutting Download PDFInfo
- Publication number
- CN113249152A CN113249152A CN202110073613.8A CN202110073613A CN113249152A CN 113249152 A CN113249152 A CN 113249152A CN 202110073613 A CN202110073613 A CN 202110073613A CN 113249152 A CN113249152 A CN 113249152A
- Authority
- CN
- China
- Prior art keywords
- natural gas
- synergist
- gas synergist
- metal cutting
- isoheptane
- 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.)
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
-
- 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
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- 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)
- Mechanical Engineering (AREA)
- Lubricants (AREA)
Abstract
The invention relates to the technical field of natural gas synergists, and discloses a natural gas synergist for metal cutting, which comprises the following raw materials in percentage by weight: 30 +/-5% of pentacarbon cycloalkane, 15 +/-3% of propane, 2 +/-0.4% of cyclohexane, 4 +/-2% of isoheptane, 2 +/-0.4% of ferrocene and 1.5 +/-0.3% of isooctyl nitrate. According to the natural gas synergist for metal cutting, the synergist is prepared by using carbonless cycloalkane, propane, cyclohexane, isoheptane, ferrocene, isooctyl nitrate, absolute ethyl alcohol and petroleum ether, so that the combustion temperature and the combustion efficiency are greatly improved, meanwhile, the corrosivity of a liquid phase synergist to a container is small, the volatilization is fast, the absolute ethyl alcohol is used as a medium, the raw materials can be effectively dissolved mutually, the volatilization of part of the raw materials can be prevented in the preparation process, the raw materials cannot be easily combusted, the heat affected zone is small in the metal cutting process, and the performance and the quality of a workpiece can be ensured.
Description
Technical Field
The invention relates to the technical field of natural gas synergists, in particular to a natural gas synergist for metal cutting.
Background
At present, industrial cutting is mainly performed by acetylene gas, however, calcium carbide, which is a raw material prepared from acetylene, is obtained by six times of energy conversion, the average power consumption for producing 1 ton of calcium carbide reaches 3300-3500 kWh and 1 ton of coke, the serious pollution of the waste residues to the ecological environment becomes a social problem which is widely concerned, the acetylene gas has high energy consumption, high cost, flammability and explosiveness, seriously damages resources and pollutes the environment, all countries actively research and develop new cutting gas and succeed, but most of the new cutting gas has low combustion temperature, influences the cutting speed and quality, the new cutting gas is heavier than air and is easy to gather, the risk of accidents is high, and the popularization is difficult.
Natural gas is widely applied to the industrial field as a green and environment-friendly energy source, natural gas cutting is to utilize the heat energy of natural gas combustion flame, preheat metal at a workpiece cutting position to a certain temperature and then spray high-speed cutting oxygen flow, so that the metal at the preheating position is combusted, and heat is released to carry out cutting, while the flame temperature of ordinary natural gas with oxygen combustion cannot reach the temperature for cutting the metal, and a synergist needs to be added into the natural gas.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the natural gas synergist for metal cutting, which has the advantage that the temperature of oxygen-carrying combustion of natural gas reaches the temperature for metal cutting, and solves the problems in the background art.
The invention provides the following technical scheme: a natural gas synergist for metal cutting comprises the following raw materials in percentage by weight: 30 +/-5% of pentacarbon cycloalkane, 15 +/-3% of propane, 2 +/-0.4% of cyclohexane, 4 +/-2% of isoheptane, 2 +/-0.4% of ferrocene, 1.5 +/-0.3% of isooctyl nitrate, 20 +/-5% of absolute ethyl alcohol and 15 +/-5% of petroleum ether, and the preparation method comprises the following steps:
mixing pentacarbon cycloalkane, propane, cyclohexane, isoheptane, ferrocene and isooctyl nitrate according to a ratio, adding into a mixing kettle, slowly and uniformly stirring, and keeping the temperature at 20 +/-5 ℃ to obtain a stirred mixture;
step two, fully stirring the stirred mixture in the step one, adding absolute ethyl alcohol and petroleum ether into a mixing kettle, and uniformly stirring, and keeping the temperature at 20 +/-5 ℃ to obtain a natural gas synergist preform;
step three, hermetically storing the natural gas synergist prefabricated object obtained in the step two for 48 hours, and keeping the temperature of the storage environment at 25 +/-5 ℃;
and step four, taking out the natural gas synergist preform to obtain the natural gas synergist, and packaging the natural gas synergist.
Preferably, the natural gas synergist accounts for 0.4% of the natural gas by weight.
Preferably, the raw materials in the step one are respectively stirred according to the sequence of pentacarbon cycloalkane, propane, cyclohexane, isoheptane, ferrocene and isooctyl nitrate, and the mass specific gravity of the non-carbon cycloalkane, the propane, the cyclohexane, the isoheptane, the ferrocene and the isooctyl nitrate is 30 +/-5: 15 +/-3: 2 +/-0.4: 4 +/-2: 2 +/-0.4: 1.5 +/-0.3.
Preferably, the weight percentage of the absolute ethyl alcohol and the petroleum ether in the second step is 20 +/-5: 15 +/-5.
Preferably, the natural gas synergist preform in the third step is placed in a sealed environment, and the natural gas synergist is in a liquid phase state.
Preferably, the purity of the absolute ethyl alcohol is kept above 99.9%.
Compared with the prior art, the invention has the following beneficial effects:
1. the natural gas synergist for metal cutting is prepared by using carbonless cycloalkane, propane, cyclohexane, isoheptane, ferrocene, isooctyl nitrate, absolute ethyl alcohol and petroleum ether, so that the combustion temperature and the combustion efficiency are greatly improved, meanwhile, the corrosivity of a liquid phase synergist to a container is small, the volatilization is fast, the absolute ethyl alcohol is used as a medium, the raw materials can be effectively dissolved mutually, the volatilization of part of the raw materials can be prevented in the preparation process, the raw materials cannot be easily combusted, when metal cutting is carried out, the heat affected zone is small, the performance and the quality of a workpiece can be ensured, the workpiece with high precision requirement can be processed, the cut of the workpiece is smooth and flat, the slag beating process is reduced, and the working efficiency is improved.
2. The natural gas synergist for metal cutting is prepared by mixing carbonless cycloalkane, propane, cyclohexane, isoheptane, ferrocene, isooctyl nitrate, absolute ethyl alcohol and petroleum ether according to a proportion, the preparation steps are simple, the cutting temperature of the natural gas synergist is greatly increased after the natural gas synergist is added into the natural gas, the cutting speed of the natural gas synergist is increased, the explosion limit of the natural gas is far smaller than the explosion limit of acetylene, the natural gas is lighter than the acetylene, the diffusion speed after leakage is higher than that of the acetylene, and the use safety is greatly improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A natural gas synergist for metal cutting comprises the following raw materials in percentage by weight: 30 +/-5% of pentacarbon cycloalkane, 15 +/-3% of propane, 2 +/-0.4% of cyclohexane, 4 +/-2% of isoheptane, 2 +/-0.4% of ferrocene, 1.5 +/-0.3% of isooctyl nitrate, 20 +/-5% of absolute ethyl alcohol and 15 +/-5% of petroleum ether, and the preparation method comprises the following steps:
mixing pentacarbon cycloalkane, propane, cyclohexane, isoheptane, ferrocene and isooctyl nitrate according to a ratio, adding into a mixing kettle, slowly and uniformly stirring, and keeping the temperature at 20 +/-5 ℃ to obtain a stirred mixture;
step two, fully stirring the stirred mixture in the step one, adding absolute ethyl alcohol and petroleum ether into a mixing kettle, and uniformly stirring, and keeping the temperature at 20 +/-5 ℃ to obtain a natural gas synergist preform;
step three, hermetically storing the natural gas synergist prefabricated object obtained in the step two for 48 hours, and keeping the temperature of the storage environment at 25 +/-5 ℃;
and step four, taking out the natural gas synergist preform to obtain the natural gas synergist, and packaging the natural gas synergist.
The natural gas synergist accounts for 0.4% of the natural gas by weight, the raw materials in the step one are respectively stirred according to the sequence of pentacarbon cycloparaffin, propane, cyclohexane, isoheptane, ferrocene and isooctyl nitrate, the mass proportion of the non-carbon cycloparaffin, the propane, the cyclohexane, the isoheptane, the ferrocene and the isooctyl nitrate is 30 +/-5: 15 +/-3: 2 +/-0.4: 4 +/-2: 2 +/-0.4: 1.5 +/-0.3, the weight percentage of the absolute ethyl alcohol and the petroleum ether in the step two is 20 +/-5: 15 +/-5, the natural gas synergist preform in the step three is placed in a sealed environment, the natural gas synergist is in a liquid phase state, and the purity of the absolute ethyl alcohol is kept to be more than 99.9%.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A natural gas synergist for metal cutting is characterized in that: comprises the following raw materials in percentage by weight: 30 +/-5% of pentacarbon cycloalkane, 15 +/-3% of propane, 2 +/-0.4% of cyclohexane, 4 +/-2% of isoheptane, 2 +/-0.4% of ferrocene, 1.5 +/-0.3% of isooctyl nitrate, 20 +/-5% of absolute ethyl alcohol and 15 +/-5% of petroleum ether, and the preparation method comprises the following steps:
mixing pentacarbon cycloalkane, propane, cyclohexane, isoheptane, ferrocene and isooctyl nitrate according to a ratio, adding into a mixing kettle, slowly and uniformly stirring, and keeping the temperature at 20 +/-5 ℃ to obtain a stirred mixture;
step two, fully stirring the stirred mixture in the step one, adding absolute ethyl alcohol and petroleum ether into a mixing kettle, and uniformly stirring, and keeping the temperature at 20 +/-5 ℃ to obtain a natural gas synergist preform;
step three, hermetically storing the natural gas synergist prefabricated object obtained in the step two for 48 hours, and keeping the temperature of the storage environment at 25 +/-5 ℃;
and step four, taking out the natural gas synergist preform to obtain the natural gas synergist, and packaging the natural gas synergist.
2. The natural gas synergist for metal cutting according to claim 1, wherein: the natural gas synergist accounts for 0.4% of the natural gas by weight.
3. The natural gas synergist for metal cutting according to claim 1, wherein: and (2) stirring the raw materials in the step one according to the sequence of the pentacarbon cycloalkane, the propane, the cyclohexane, the isoheptane, the ferrocene and the isooctyl nitrate, wherein the mass proportion of the non-carbon cycloalkane, the propane, the cyclohexane, the isoheptane, the ferrocene and the isooctyl nitrate is 30 +/-5: 15 +/-3: 2 +/-0.4: 4 +/-2: 2 +/-0.4: 1.5 +/-0.3.
4. The natural gas synergist for metal cutting according to claim 1, wherein: in the second step, the weight percentage of the absolute ethyl alcohol to the petroleum ether is 20 +/-5: 15 +/-5.
5. The natural gas synergist for metal cutting according to claim 1, wherein: the natural gas synergist prefabricated object in the third step is placed in a sealed environment, and the natural gas synergist is in a liquid phase state.
6. The natural gas synergist for metal cutting according to claim 1, wherein: the purity of the absolute ethyl alcohol is kept above 99.9%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110073613.8A CN113249152A (en) | 2021-01-20 | 2021-01-20 | Natural gas synergist for metal cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110073613.8A CN113249152A (en) | 2021-01-20 | 2021-01-20 | Natural gas synergist for metal cutting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113249152A true CN113249152A (en) | 2021-08-13 |
Family
ID=77180778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110073613.8A Pending CN113249152A (en) | 2021-01-20 | 2021-01-20 | Natural gas synergist for metal cutting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113249152A (en) |
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2021
- 2021-01-20 CN CN202110073613.8A patent/CN113249152A/en active Pending
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Application publication date: 20210813 |