CN108707493A - Rare earth combustion adjuvant and preparation method thereof for combustion of natural gas - Google Patents
Rare earth combustion adjuvant and preparation method thereof for combustion of natural gas Download PDFInfo
- Publication number
- CN108707493A CN108707493A CN201810512442.2A CN201810512442A CN108707493A CN 108707493 A CN108707493 A CN 108707493A CN 201810512442 A CN201810512442 A CN 201810512442A CN 108707493 A CN108707493 A CN 108707493A
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- Prior art keywords
- combustion
- solution
- natural gas
- rare earth
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Classifications
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- 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
-
- 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
- C10L2200/00—Components of fuel compositions
- C10L2200/02—Inorganic or organic compounds containing atoms other than C, H or O, e.g. organic compounds containing heteroatoms or metal organic complexes
- C10L2200/029—Salts, such as carbonates, oxides, hydroxides, percompounds, e.g. peroxides, perborates, nitrates, nitrites, sulfates, and silicates
-
- 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
- C10L2200/00—Components of fuel compositions
- C10L2200/04—Organic compounds
Abstract
The invention discloses a kind of preparation methods of the rare earth combustion adjuvant for combustion of natural gas, and sodium oleate solution is mixed in proportion with gasoline, is stirred evenly；Solution of cerium chloride by oxidation is added into mixed solution, reacts 40-60min at 45-65 DEG C；Sodium hydroxide solution is added, reacts 40-60min at 45-65 DEG C；Hydrogen peroxide is added, reacts 20-40min at 45-65 DEG C；Solution after reaction is transferred in high-temperature high-pressure reaction kettle, reacts 15-20h at 160-180 DEG C；After reaction, water-oil separating is carried out to the liquid in high-temperature high-pressure reaction kettle, gained oil-phase solution is rare earth combustion adjuvant.The invention also discloses a kind of rare earth combustion adjuvants for combustion of natural gas, including：Solvent, solute, solvent are gasoline, and solute is ceria and enuatrol.Rare earth combustion adjuvant can effectively improve bluster temperature, quickening burning velocity and the cutting speed when combustion of natural gas, and not have corrosivity.
Description
Technical field
The present invention relates to a kind of natural gas combustion-supporting technologies, specifically, it is combustion-supporting to be related to a kind of rare earth for combustion of natural gas
Agent and preparation method thereof.
Background technology
Natural gas be it is a kind of cleaning, environmental protection, inexpensive combustion gas, can be used for bluster cutting.Natural gas is aerial quick-fried
Fried limit range is small, and burning velocity is slower.It is smaller than acetylene that the possibility exploded, be tempered occurs, safety higher.With propane and second
Alkynes is different, and the density of natural gas is less than air (1.29kg/m3), when leakage, is not easy to form accumulation in workshop or cabin ground, greatly
The big possibility for reducing explosion and occurring.In addition, combustion of natural gas is efficient, cleaning, will not produce in the production and use process
The pollutants such as raw carbide slag.The flame temperature of combustion of natural gas is 2500 DEG C, and need to be increased to 3000 DEG C or more could realize
Bluster is cut.Since heating value of natural gas and flame temperature are below acetylene, thus can be encountered when substituting acetylene flame temperature it is low,
The problems such as cutting speed is slow.
For this purpose, improving flame temperature often through a certain proportion of additive is added in natural gas.Ceria is
A kind of solid rare earth catalysis material with oxygen storage capacity, can be used for combustion catalysis.Since its normal service condition is solid
Powder can not uniformly be mixed with natural gas, so being not directly applicable the cutting of natural gas bluster.
Invention content
Technical problem solved by the invention is to provide a kind of rare earth combustion adjuvant and preparation method thereof in combustion of natural gas,
Rare earth combustion adjuvant can effectively improve bluster temperature, quickening burning velocity and the cutting speed when combustion of natural gas, and not have
Corrosivity.
Technical solution is as follows：
A kind of rare earth combustion adjuvant for combustion of natural gas includes according to weight percent：The solvent of 99%-99.9%,
The solute of 0.1%-1%, solvent are gasoline, and solute is ceria and enuatrol.
A kind of preparation method of rare earth combustion adjuvant for combustion of natural gas, including：
Sodium oleate solution is mixed in proportion with gasoline, is stirred evenly；
Solution of cerium chloride by oxidation is added into mixed solution, reacts 40-60min at 45-65 DEG C；
Sodium hydroxide solution is added into the liquid after reaction, reacts 40-60min at 45-65 DEG C；
Hydrogen peroxide is added into the liquid after reaction, reacts 20-40min at 45-65 DEG C；
Solution after reaction is transferred in high-temperature high-pressure reaction kettle, reacts 15-20h at 160-180 DEG C；Reaction pressure
For 826-1844kPa；After reaction, water-oil separating is carried out to the liquid in high-temperature high-pressure reaction kettle, gained oil-phase solution is
Rare earth combustion adjuvant for combustion of natural gas；Rare earth combustion adjuvant includes according to weight percent：The solvent of 99%-99.9%,
The solute of 0.1%-1%, solvent are gasoline, and solute is ceria and enuatrol.
Further：A concentration of 0.15-0.6mol/L of sodium oleate solution, the volume ratio that sodium oleate solution is mixed with gasoline
It is 1:2.5.
Further：The addition body of a concentration of 0.1-0.4mol/L of solution of cerium chloride by oxidation, solution of cerium chloride by oxidation and sodium oleate solution
Product ratio is 1:2.
Further：A concentration of 0.4-1.6mol/L of sodium hydroxide solution, sodium hydroxide solution are added with sodium oleate solution
Volume ratio is 1:1.
Further：Hydrogen peroxide is 1 with sodium oleate solution volume ratio:80-160.
The technology of the present invention effect includes：
Bluster temperature when can effectively improve combustion of natural gas by adding from the rare earth combustion adjuvant to natural gas plus
Fast burning velocity and cutting speed, and there is no corrosivity.
(1) the rare earth combustion adjuvant ingredient of the present invention for combustion of natural gas is simple, is neutral organic solution, to gold
Belong to class equipment it is non-corrosive, avoid long-time service after because equipment corrode caused by security risk.
(2) product of the present invention and natural gas after evenly mixing, have catalytic combustion-supporting effect, contribute to the abundant combustion of natural gas
It burns, combustion flame temperature can be improved to 3100-3400 DEG C.
(3) when product of the present invention is cut for natural gas bluster, cutting speed can be accelerated, gas consumption is reduced, have
Help reduce cost and energy-saving and emission-reduction.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the present invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is the X-ray diffractogram of solute in middle rare earth combustion adjuvant of the present invention.
Specific implementation mode
Be described below and specific embodiments of the present invention be fully shown, with enable those skilled in the art to practice and
It reproduces.
The preparation method of rare earth combustion adjuvant for combustion of natural gas, includes the following steps：
Step 1：Sodium oleate solution is mixed in proportion with gasoline, is stirred evenly；
A concentration of 0.15-0.6mol/L of sodium oleate solution, the volume ratio that sodium oleate solution is mixed with gasoline are 1:
2.5。
Step 2：Solution of cerium chloride by oxidation is added into mixed solution, reacts 40-60min at 45-65 DEG C；
The addition volume ratio of a concentration of 0.1-0.4mol/L of solution of cerium chloride by oxidation, solution of cerium chloride by oxidation and sodium oleate solution is
1:2。
Step 3：Sodium hydroxide solution is added into the liquid after reaction, reacts 40-60min at 45-65 DEG C；
Volume ratio is added with sodium oleate solution in a concentration of 0.4-1.6mol/L of sodium hydroxide solution, sodium hydroxide solution
It is 1:1.
Step 4：Hydrogen peroxide is added into the liquid after reaction, reacts 20-40min at 45-65 DEG C；
Hydrogen peroxide is 1 with sodium oleate solution volume ratio:80-160.
It is raw material to select solution of cerium chloride by oxidation cheap and easy to get, and addition hydrogen peroxide can accelerate trivalent cerium and be oxidized to quadrivalent cerium
Speed makes 5 hours or more originally autoxidation time foreshorten to 20-40min, greatly improves product preparation efficiency.
Step 5：Solution after reaction is transferred in high-temperature high-pressure reaction kettle, reacts 15-20h at 160-180 DEG C；Instead
It is 826-1844kPa to answer pressure.
Step 6：After reaction, water-oil separating is carried out to the liquid in high-temperature high-pressure reaction kettle, gained oil-phase solution is
Rare earth combustion adjuvant for combustion of natural gas.
Rare earth combustion adjuvant, component are as follows：
Solvent：Mass fraction 99%-99.9%；Solute：Mass fraction 0.1%-1%；Solvent is gasoline, and solute is dioxy
Change cerium and enuatrol.
Embodiment 1：
The present embodiment provides a kind of rare earth combustion adjuvants for combustion of natural gas, and the combustion adjuvant is by following mass percent group
Assignment system forms：Gasoline 99%, ceria and enuatrol 1%.
The preparation method of the combustion adjuvant, comprises the steps of：
(1) a concentration of 0.6mol/L sodium oleate solutions of 2L are mixed in a certain ratio with 5L gasoline, are stirred evenly；
(2) a concentration of 0.4mol/L solution of cerium chloride by oxidation of 1L is added into mixed solution, reacts 40min at 65 DEG C；
(3) a concentration of 1.6mol/L sodium hydroxide solutions of 2L are added into the liquid after reaction, are reacted at 65 DEG C
40min；
(4) 0.025L hydrogen peroxide is added into the liquid after reaction, reacts 20min at 65 DEG C；
(5) solution after reaction is transferred in high-temperature high-pressure reaction kettle, 15h is reacted at 180 DEG C, reaction pressure is
1844kPa；
(6) after reaction in high-temperature high-pressure reaction kettle liquid carry out water-oil separating, gained oil-phase solution be for
The rare earth combustion adjuvant of combustion of natural gas.
Gained rare earth combustion adjuvant samples 200g, wherein solute will all be precipitated, 2.08g is weighed as after drying.
Embodiment 2：
The present embodiment provides a kind of rare earth combustion adjuvants for combustion of natural gas, and the combustion adjuvant is by following mass percent group
Assignment system forms：Gasoline 99.6%, ceria and enuatrol 0.4%.
The preparation method of the combustion adjuvant, comprises the steps of：
(1) a concentration of 0.3mol/L sodium oleate solutions of 2L are mixed in a certain ratio with 5L gasoline, are stirred evenly；
(2) a concentration of 0.2mol/L solution of cerium chloride by oxidation of 1L is added into mixed solution, reacts 50min at 55 DEG C；
(3) a concentration of 0.8mol/L sodium hydroxide solutions of 2L are added into the liquid after reaction, are reacted at 55 DEG C
50min；
(4) 0.020L hydrogen peroxide is added into the liquid after reaction, reacts 30min at 55 DEG C；
(5) solution after reaction is transferred in high-temperature high-pressure reaction kettle, reacts 18h at 170 DEG C；Reaction pressure is
1162kPa；
(6) after reaction in high-temperature high-pressure reaction kettle liquid carry out water-oil separating, gained oil-phase solution be for
The rare earth combustion adjuvant of combustion of natural gas.
Gained rare earth combustion adjuvant samples 200g, wherein solute will all be precipitated, 0.85g is weighed as after drying.
Embodiment 3：
The present embodiment provides a kind of rare earth combustion adjuvants for combustion of natural gas, and the combustion adjuvant is by following mass percent group
Assignment system forms：Gasoline 99.9%, ceria and enuatrol 0.1%.
The preparation method of the combustion adjuvant, comprises the steps of：
(1) a concentration of 0.3mol/L sodium oleate solutions of 2L are mixed in a certain ratio with 5L gasoline, are stirred evenly；
(2) a concentration of 0.2mol/L solution of cerium chloride by oxidation of 1L is added into mixed solution, reacts 60min at 45 DEG C；
(3) a concentration of 0.8mol/L sodium hydroxide solutions of 2L are added into the liquid after reaction, are reacted at 45 DEG C
60min；
(4) 0.0125L hydrogen peroxide is added into the liquid after reaction, reacts 40min at 45 DEG C；
(5) solution after reaction is transferred in high-temperature high-pressure reaction kettle, reacts 20h at 160 DEG C；Reaction pressure is
826kPa；
(6) after reaction in high-temperature high-pressure reaction kettle liquid carry out water-oil separating, gained oil-phase solution be for
The rare earth combustion adjuvant of combustion of natural gas.
Gained rare earth combustion adjuvant samples 200g, wherein solute will all be precipitated, 0.23g is weighed as after drying.
As shown in Figure 1, being the X-ray diffractogram of solute in middle rare earth combustion adjuvant of the present invention.
Rare earth combustion adjuvant pH obtained by above three embodiments is 7, shows neutrality, does not have corrosivity to metal.To precipitation
Solute carries out X-ray diffraction test, and test result figure proves that the main component of solute is ceria.
Product of the present invention is added in liquefied natural gas steel cylinder, adding proportion is that this is added per in 1kg liquefied natural gas
Product 10-20g is cut after mixing by liquefied natural gas gasifying for bluster.
In order to further prove that the rare earth combustion adjuvant of the present invention contributes to natural gas bluster to cut, cutting material is 26mm thick
Steel plate, below for be not added with the natural gas of combustion adjuvant, acetylene gas and be added to the present embodiment natural gas performance table：
The adding proportion of three embodiments is the 1% of quality of natural gas in upper table.
As can be seen from the table, the natural gas for being added to product of the present invention is high relative to acetylene gas safety coefficient, pole of exploding
It is small to limit range, cutting gas dosage significantly reduces.The natural gas of product of the present invention is added to relative to being not added with the natural of combustion adjuvant
Gas flame temperature is high, and cutting speed is fast, and cutting gas dosage significantly reduces.The whole natural gas tool for being relatively added to product of the present invention
There is good comprehensive performance.
It should be understood that above description is only exemplary and explanatory, the present invention can not be limited, the present invention is simultaneously
Be not limited to the flow and structure that are described above and are shown in the accompanying drawings, and can carry out without departing from the scope it is various
Modifications and changes.The scope of the present invention is limited only by the attached claims.
Claims (6)
1. a kind of rare earth combustion adjuvant for combustion of natural gas, which is characterized in that include according to weight percent：99%-
99.9% solvent, the solute of 0.1%-1%, solvent are gasoline, and solute is ceria and enuatrol.
2. a kind of preparation method of rare earth combustion adjuvant for combustion of natural gas, including：
Sodium oleate solution is mixed in proportion with gasoline, is stirred evenly；
Solution of cerium chloride by oxidation is added into mixed solution, reacts 40-60min at 45-65 DEG C；
Sodium hydroxide solution is added into the liquid after reaction, reacts 40-60min at 45-65 DEG C；
Hydrogen peroxide is added into the liquid after reaction, reacts 20-40min at 45-65 DEG C；
Solution after reaction is transferred in high-temperature high-pressure reaction kettle, reacts 15-20h at 160-180 DEG C；Reaction pressure is
826-1844kPa；After reaction, water-oil separating is carried out to the liquid in high-temperature high-pressure reaction kettle, gained oil-phase solution is to use
In the rare earth combustion adjuvant of combustion of natural gas；Rare earth combustion adjuvant includes according to weight percent：The solvent of 99%-99.9%,
The solute of 0.1%-1%, solvent are gasoline, and solute is ceria and enuatrol.
3. the preparation method for the rare earth combustion adjuvant of combustion of natural gas as claimed in claim 2, it is characterised in that：Enuatrol is molten
A concentration of 0.15-0.6mol/L of liquid, the volume ratio that sodium oleate solution is mixed with gasoline are 1:2.5.
4. the preparation method for the rare earth combustion adjuvant of combustion of natural gas as claimed in claim 2, it is characterised in that：Cerium chloride is molten
The addition volume ratio of a concentration of 0.1-0.4mol/L of liquid, solution of cerium chloride by oxidation and sodium oleate solution is 1:2.
5. the preparation method for the rare earth combustion adjuvant of combustion of natural gas as claimed in claim 2, it is characterised in that：Sodium hydroxide
A concentration of 0.4-1.6mol/L of solution, it is 1 that volume ratio, which is added, with sodium oleate solution in sodium hydroxide solution:1.
6. the preparation method for the rare earth combustion adjuvant of combustion of natural gas as claimed in claim 2, it is characterised in that：Hydrogen peroxide with
Sodium oleate solution volume ratio is 1:80-160.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810512442.2A CN108707493A (en) | 2018-05-25 | 2018-05-25 | Rare earth combustion adjuvant and preparation method thereof for combustion of natural gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810512442.2A CN108707493A (en) | 2018-05-25 | 2018-05-25 | Rare earth combustion adjuvant and preparation method thereof for combustion of natural gas |
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| CN108707493A true CN108707493A (en) | 2018-10-26 |
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| CN201810512442.2A Pending CN108707493A (en) | 2018-05-25 | 2018-05-25 | Rare earth combustion adjuvant and preparation method thereof for combustion of natural gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114015485A (en) * | 2021-01-15 | 2022-02-08 | 锦州安燃高能切割气有限公司 | Natural gas metal welding and cutting gas |
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| CN101537358A (en) * | 2008-03-19 | 2009-09-23 | 中国科学院生态环境研究中心 | Integral-type catalyst for combustion of natural gas and coal-bed gas, preparation method and application thereof |
| CN102604699A (en) * | 2011-01-19 | 2012-07-25 | 赵志鑫 | Synergistic additive of natural-gas as welding and cutting gas |
| CN103754922A (en) * | 2014-01-03 | 2014-04-30 | 东华大学 | Method for preparing oil-soluble nano cerium dioxide fluorescent powder by using CTAB (cetyltrimethyl ammonium bromide) as surfactant |
| CN103897757A (en) * | 2013-09-29 | 2014-07-02 | 华南理工大学 | Cerium oxide catalyst for catalyzing methane combustion and preparation method of catalyst |
-
2018
- 2018-05-25 CN CN201810512442.2A patent/CN108707493A/en active Pending
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|---|---|---|---|---|
| CN1449434A (en) * | 2000-06-29 | 2003-10-15 | 纽弗特克有限公司 | Fuel additives |
| CN101537358A (en) * | 2008-03-19 | 2009-09-23 | 中国科学院生态环境研究中心 | Integral-type catalyst for combustion of natural gas and coal-bed gas, preparation method and application thereof |
| CN102604699A (en) * | 2011-01-19 | 2012-07-25 | 赵志鑫 | Synergistic additive of natural-gas as welding and cutting gas |
| CN103897757A (en) * | 2013-09-29 | 2014-07-02 | 华南理工大学 | Cerium oxide catalyst for catalyzing methane combustion and preparation method of catalyst |
| CN103754922A (en) * | 2014-01-03 | 2014-04-30 | 东华大学 | Method for preparing oil-soluble nano cerium dioxide fluorescent powder by using CTAB (cetyltrimethyl ammonium bromide) as surfactant |
Non-Patent Citations (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114015485A (en) * | 2021-01-15 | 2022-02-08 | 锦州安燃高能切割气有限公司 | Natural gas metal welding and cutting gas |
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