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Natural gas leakage odor additive and preparation method thereof

An additive, natural gas technology, applied in gas fuel, petroleum industry, fuel and other directions, can solve the problems of not easy to detect, natural gas is not easy to volatilize, hidden dangers, etc., and achieves the effect of good environmental protection, improved use safety, and high safety.

Inactive Publication Date: 2019-01-04
江苏预立新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a natural gas leakage odor additive and its preparation method in view of the defects in the prior art that the leakage of natural gas is not easy to volatilize, is not easy to detect, and is likely to cause potential safety hazards.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A natural gas leakage odor additive, which is made up of the following raw materials in percent by weight:

[0019] 2-hexanone 3%, 2,3 methylpentane 6%, triethylamine 0.4%, trimethylmethanol 6%, limonene 2%, tetrahydrofuran 7%, odor additive 0.2%, chloroplatinic acid 0.1%, The rest are C7 isoparaffins.

[0020] The preparation method of described odor additive comprises the following steps:

[0021] (1) Get 40 parts by weight of Houttuynia cordata, add it to 4 times the weight of n-hexane, stir evenly, increase the temperature to 65°C, heat and stir for 2 hours, filter to obtain the extract;

[0022] (2) Take the above extract, add 0.3 parts by weight of dibutyltin dilaurate, and ultrasonicate for 15 minutes to obtain the odor additive.

[0023] A preparation method for natural gas leakage odor additive, comprising the following steps:

[0024] (1) Take triethylamine, mix it with the above-mentioned odor additive, and heat and stir it at 50°C for 2 hours to obtain th...

Embodiment 2

[0029] A natural gas leakage odor additive, which is made up of the following raw materials in percent by weight:

[0030] 2-hexanone 2%, 2,3-methylpentane 4%, triethylamine 0.2%, trimethylmethanol 4%, limonene 1%, tetrahydrofuran 5%, odor additive 0.1%, chloroplatinic acid 0.08%, The rest are C5 isoparaffins.

[0031] The preparation method of described odor additive comprises the following steps:

[0032] (1) Get 30 parts by weight of Houttuynia cordata, add it to 3 times its weight in n-hexane, stir evenly, increase the temperature to 60°C, heat and stir for 1 hour, filter to obtain the extract;

[0033] (2) Take the above extract, add 0.1 parts by weight of dibutyltin dilaurate, and sonicate for 10 minutes to obtain the odor additive.

[0034] A preparation method for natural gas leakage odor additive, comprising the following steps:

[0035] (1) Take triethylamine, mix it with the above-mentioned odor additive, and heat and stir at 46° C. for 1 hour to obtain the amina...

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PUM

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Abstract

The invention discloses a natural gas leakage odor additive. The natural gas leakage odor additive is prepared from, by weight, 2-3% of 2-hexanone, 4-6% of 2,3-methylpentane, 0.2-0.4% of triethylamine, 4-6% of trimethyl carbinol, 1-2% of limonene, 5-7% of tetrahydrofuran, 0.1-0.2% of odor additive, 0.08-0.1% of chloroplatinic acid and the balance C5-C7 isoparaffin. An organic extracting solution of cordate houttuynia is added, a certain odor is given to natural gas, thus, the situation is easily known during natural gas leakage, explosion losses are reduced, and the use safety is improved.

Description

technical field [0001] The invention belongs to the field of natural gas additives, in particular to a natural gas leakage odor additive and a preparation method thereof. Background technique [0002] At present, in the field of metal cutting, the main cutting gases used are acetylene gas, propane gas, petroleum liquefied gas and mixed gas with propane as the main component and other additives. The advantages of acetylene gas are high flame temperature and fast cutting speed, but the disadvantages are high energy consumption, high pollution and high cost. Propane and propane-based mixed gas with other additives are used in the market. Although the price and cost are cheaper than acetylene gas, the combustion temperature is relatively low (2550-2900 degrees), and the preheating and cutting speed are slow. Due to the characteristics of low thickness and higher density than air, it is not easy to volatilize after leakage, and there are certain safety hazards in use; at the sam...

Claims

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Application Information

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IPC IPC(8): C10L3/00
CPCC10L3/006C10L2230/10C10L2270/08
Inventor 张保海王留红
Owner 江苏预立新能源科技有限公司
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