Method of making a priming device for a heating unit
First Claim
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1. The method of making portable personnel heating apparatus, said method comprising the steps of:
- providing a fuel element comprising carbon;
providing a priming device for said fuel element including a sheet of cellulose material;
treating said sheet of cellulose material with catalyzing and oxidizing agents;
drying said sheet of cellulose material and subsequently placing said sheet on said fuel element,characterized in this that during the treatment step said sheet of cellulose material is during a first time period treated with a first solution containing a catalyzing agent including manganates and permanganates such as salts of alkali metals including potassium (KMnO4, K2 MnO4),wherein said cellulose material is soaked in said first solution for at least fifteen minutes, said first soaking solution having a temperature between sixty and ninety degrees centigrade and containing an active catalyzing material in the range of from 0.1 and 5, said active catalyzing material being dissolved in water,followed by treatment of said sheet of cellulose material during a second time period with a second solution containing an oxidizing agent including inorganic oxidizing salts chosen from the anion groups of chlorates, perchlorates and nitrates, including ammonium perchlorate (NH4 ClO4),wherein said cellulose material is soaked in said second solution for at least ten minutes, said second soaking solution having a temperature between sixty and ninety degrees centrigrade and containing at least twenty parts by weight of said oxidizing agent to one-hundred parts of water and wherein said sheet of cellulose material being comprised of suphite cellulose.
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Abstract
A method of making priming devices for a fuel element is disclosed. A high quality priming device is obtained by treating suitable pieces of cellulose with catalyzing agents such as manganates or permanganates and with oxidizing agents such as inorganic oxidizing salts. Such priming devices are very reliable and may be used in portable personnel heaters, e.g. to keep injured people warm after accidents.
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Citations
21 Claims
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1. The method of making portable personnel heating apparatus, said method comprising the steps of:
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providing a fuel element comprising carbon; providing a priming device for said fuel element including a sheet of cellulose material; treating said sheet of cellulose material with catalyzing and oxidizing agents; drying said sheet of cellulose material and subsequently placing said sheet on said fuel element, characterized in this that during the treatment step said sheet of cellulose material is during a first time period treated with a first solution containing a catalyzing agent including manganates and permanganates such as salts of alkali metals including potassium (KMnO4, K2 MnO4), wherein said cellulose material is soaked in said first solution for at least fifteen minutes, said first soaking solution having a temperature between sixty and ninety degrees centigrade and containing an active catalyzing material in the range of from 0.1 and 5, said active catalyzing material being dissolved in water, followed by treatment of said sheet of cellulose material during a second time period with a second solution containing an oxidizing agent including inorganic oxidizing salts chosen from the anion groups of chlorates, perchlorates and nitrates, including ammonium perchlorate (NH4 ClO4), wherein said cellulose material is soaked in said second solution for at least ten minutes, said second soaking solution having a temperature between sixty and ninety degrees centrigrade and containing at least twenty parts by weight of said oxidizing agent to one-hundred parts of water and wherein said sheet of cellulose material being comprised of suphite cellulose.
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2. The method of making portable personnel heating apparatus, said method comprising the steps of:
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providing a fuel element comprising carbon; providing a priming device for said fuel element including a sheet of cellulose material; treating said sheet of cellulose material with catalyzing and oxidizing agents; drying said sheet of cellulose material and subsequently placing said sheet on said fuel element, characterized in this that during the treatment step said sheet of cellulose material is during a first time period treated with a first solution containing a catalyzing agent including manganates and permanganates such as salts of alkali metals including sodium (NaMnO4, Na2 MnO4), wherein said cellulose material is soaked in said first solution for at least fifteen minutes, said first soaking solution having a temperature between sixty and ninety degrees centigrade and containing an active catalyzing material in the range of from 0.1 and 5, said active catalyzing material being dissolved in water, followed by treatment of said sheet of cellulose material during a second time period with a second solution containing an oxidizing agent including inorganic oxidizing salts chosen from the anion groups of chlorates, perchlorates and nitrates, including ammonium perchlorate (NH4 ClO4), wherein said cellulose material is soaked in said second solution for at least ten minutes, said second soaking solution having a temperature between sixty and ninety degrees centigrade and containing at least twenty parts by weight of said oxidizing agent to one-hundred parts of water and wherein said sheet of cellulose material being comprised of sulphite cellulose.
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3. The method of making portable personnel heating apparatus, said method comprising the steps of:
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providing a fuel element comprising carbon; providing a priming device for said fuel element including a sheet of cellulose material; treating said sheet of cellulose material with catalyzing and oxidizing agents; drying said sheet of cellulose material and subsequently placing said sheet on said fuel element, characterized in this that during the treatment step said sheet of cellulose material is during a first time period treated with a first solution containing a catalyzing agent including manganates and permanganates such as salts of alkali metals including ammonium salts (NH4 MnO4, (NH4) 2 MnO4), wherein said cellulose material is soaked in said first solution for at least fifteen minutes, said first soaking solution having a temperature between sixty and ninety degrees centigrade and containing an active catalyzing material in the range of from 0.1 and 5, said active catalyzing material being dissolved in water, followed by treatment of said sheet of cellulose material during a second time period with a second solution containing an oxidizing agent including inorganic oxidizing salts chosen from the anion groups of chlorates, perchlorates and nitrates, including ammonium perchlorate (NH4 ClO4), wherein said cellulose material is soaked in said second solution for at least ten minutes, said second soaking solution having a temperature between sixty and ninety degrees centigrade and containing at least twenty parts by weight of said oxidizing agent to one-hundred parts of water and wherein said sheet of cellulose material being comprised of sulphite cellulose.
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4. The method of making portable personnel heating apparatus, said method comprising the steps of:
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providing a fuel element comprising carbon; providing a priming device for said fuel element including a sheet of cellulose material; treating said sheet of cellulose material with catalyzing and oxidizing agents; drying said sheet of cellulose material and subsequently placing said sheet on said fuel element, characterized in this that during the treatment step said sheet of cellulose material is during a first time period treated with a first solution containing a catalyzing agent including manganates and permanganates such as salts of alkali metals including the corresponding salts of earth alkali metals (Mg, Ca, Ba), wherein said cellulose material is soaked in said first solution for at least fifteen minutes, said first soaking solution having a temperature between sixty and ninety degrees centigrade and containing an active catalyzing material in the range of from 0.1 and 5, said active catalyzing material being dissolved in water, followed by treatement of said sheet of cellulose material during a second time period with a second solution containing an oxidizing agent including inorganic oxidizing salts chosen from the anion groups of chlorates, perchlorates and nitrates, including ammonium perchlorate (NH4 ClO4), wherein said cellulose material is soaked in said second solution for at least ten minutes, said second soaking solution having a temperature between sixty and ninety degrees centigrade and containing at least twenty parts by weight of said oxidizing agent to one-hundred parts of water and wherein said sheet of cellulose material being comprised of sulphite cellulose.
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5. The method of making portable personnel heating apparatus, said method comprising the steps of:
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providing a fuel element comprising carbon; providing a priming device for said fuel element including a sheet of cellulose material; treating said sheet of cellulose material with catalyzing and oxidizing agents; drying said sheet of cellulose material and subsequently placing said sheet on said fuel element, characterized in this that during the treatment step said sheet of cellulose material is during a first time period treated with a first solution containing a catalyzing agent including manganates and permanganates such as salts of alkali metals selected from the group consisting of potassium (KMnO4, K2 MnO4), sodium (NaMnO4, Na2 MnO4), corresponding ammonium salts (NH4 MnO4, (NH4)2 MnO4), and corresponding salts of alkali earth metals (Mg, Ca, Ba), wherein said cellulose material is soaked in said first solution for at least fifteen minutes, said first soaking solution having a temperature between sixty and ninety degrees centigrade and containing an active catalyzing material in the range of from 0.1 and 5, said active catalyzing material being dissolved in water, followed by treatment of said sheet of cellulose material during a second time period with a second solution containing an oxidizing agent including inorganic oxidizing salts chosen from the anion groups of chlorates, perchlorates and nitrates, including ammonium perchlorate (NH4 ClO4), wherein said cellulose material is soaked in said second solution for at least ten minutes, said second soaking solution having a temperature between sixty and ninety degrees centigrade and containing at least twenty parts by weight of said oxidizing agent to one-hundred parts of water and wherein said sheet of cellulose material being comprised of sulphite cellulose.
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6. A method for making a self priming fuel element for use in a portable personnel heating apparatus, the method comprising the following steps:
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soaking a sheet of cellulose material in an aqueous solution containing both a catalyzing agent and an inorganic oxidizing agent, then drying the sheet of cellulose material; whereby the dried sheet of cellulose material retains residues of both the catalyzing agent and the inorganic oxidizing agent, and then adhesively attaching the dried sheet of cellulose material onto the surface of a carbon fuel element, whereby the carbon fuel element with the adhesively attached sheet of cellulose material comprises the self priming fuel element for use in the portable personnel heating apparatus. - View Dependent Claims (7, 8, 9, 10, 11, 12, 20)
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13. A method for making a self priming fuel element for use in a portable personnel heating apparatus, the method comprising the following steps:
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in a first soaking step, soaking a sheet of cellulose material in a first aqueous solution containing a catalyzing agent, then transferring the sheet of singly cellulose material from the first solution to a second aqueous solution containing an inorganic oxidizing agent, then in a second soaking step, soaking the sheet of cellulose material in the aqueous second solution containing the inorganic oxidizing agent, then drying the sheet of doubly cellulose material; whereby the dried sheet of doubly cellulose material retains residues of both the catalyzing agent and the inorganic oxidizing agent, and then adhesively attaching the dried sheet of doubly cellulose material onto the surface of a carbon fuel element, whereby the carbon fuel element with the adhesively attached sheet of doubly cellulose material comprises the self priming fuel element for use in the portable personnel heating apparatus. - View Dependent Claims (14, 15, 16, 17, 18, 19, 21)
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Specification