WO2011083877A1 - 燃料と有機化合物水溶液を使用する高温燃焼方法及び装置 - Google Patents

燃料と有機化合物水溶液を使用する高温燃焼方法及び装置 Download PDF

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WO2011083877A1
WO2011083877A1 PCT/JP2011/050606 JP2011050606W WO2011083877A1 WO 2011083877 A1 WO2011083877 A1 WO 2011083877A1 JP 2011050606 W JP2011050606 W JP 2011050606W WO 2011083877 A1 WO2011083877 A1 WO 2011083877A1
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Prior art keywords
temperature
aqueous solution
organic compound
fuel
burner
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PCT/JP2011/050606
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English (en)
French (fr)
Japanese (ja)
Inventor
石黒三郎
石井幸雄
三武一利
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株式会社アイ・ビー・エス
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Priority to US13/520,690 priority Critical patent/US20120308941A1/en
Priority to JP2011549045A priority patent/JPWO2011083877A1/ja
Priority to CN201180012845.7A priority patent/CN102893087B/zh
Publication of WO2011083877A1 publication Critical patent/WO2011083877A1/ja

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/085—High-temperature heating means, e.g. plasma, for partly melting the waste
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/12—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating using gaseous or liquid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F23G5/46—Recuperation of heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/50—Control or safety arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/008—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for liquid waste
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/04—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste liquors, e.g. sulfite liquors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M9/00—Baffles or deflectors for air or combustion products; Flame shields
    • F23M9/06—Baffles or deflectors for air or combustion products; Flame shields in fire-boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
    • F23C2900/9901—Combustion process using hydrogen, hydrogen peroxide water or brown gas as fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2204/00—Supplementary heating arrangements
    • F23G2204/10—Supplementary heating arrangements using auxiliary fuel
    • F23G2204/103—Supplementary heating arrangements using auxiliary fuel gaseous or liquid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00—Waste heat recuperation
    • F23G2206/20—Waste heat recuperation using the heat in association with another installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00—Control
    • F23G2207/10—Arrangement of sensing devices
    • F23G2207/101—Arrangement of sensing devices for temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2900/00—Special features of, or arrangements for incinerators
    • F23G2900/50006—Combustion chamber walls reflecting radiant energy within the chamber

Definitions

  • the present invention relates to a method and apparatus for burning an organic compound aqueous solution, and more particularly, to a high-temperature combustion method and apparatus using an organic compound aqueous solution such as an alcohol aqueous solution and fuel.
  • organic compounds in an organic compound aqueous solution include alcohols, organic acids, aldehyde ketones, and the like.
  • organic waste water that is industrial waste as an example of the organic aqueous solution.
  • This method is a method of oxidizing an organic compound contained therein while evaporating the water of the organic wastewater with heavy oil. It hardly contributes in terms of energy and is performed as a simple wastewater treatment.
  • Non-Patent Document 2 it is said that a steam explosion occurs when molten iron falls into a water tank or when groundwater comes into contact with magma (see Non-Patent Document 2 :). Even when a W / O emulsion is sprayed, the surface of the emulsion is covered with oil, so the thermal conductivity is small, and the oil surface is covered with a vapor film of oil (generally the heat of gas The conductivity is 1/10 or less of that of the liquid), and the probability of a steam explosion is very low.
  • JP 2008-81740 A Japanese Patent Laid-Open No. 2004-21970
  • the present invention sets conditions for reliably causing a steam explosion (a micro-explosion such as atomized particles), and uses the energy of the steam micro-explosion to contain organic compounds in water , And promotes a water gas reaction with water molecules and an oxidation reaction with air to increase combustion efficiency.
  • a condition for causing the steam microexplosion is to instantaneously raise the temperature of the organic aqueous solution to a high temperature, for example, to cause a steam microexplosion by colliding with a high-temperature solid surface. If steam explosion does not occur, only a simple water gas reaction with an organic compound and water vapor in an organic aqueous solution and an oxidation reaction with air are possible, and a significant improvement in combustion efficiency cannot be expected.
  • sprayed droplets of an organic aqueous solution are jetted into a high-temperature environment, causing a water vapor micro-explosion, causing decomposition of an organic compound contained in the organic aqueous solution, and advancing water gas reaction and oxidation reaction.
  • the endothermic reaction of the water gas reaction is reduced (when the bond is broken, the endothermic reaction is reduced), and as a result, the combustion efficiency is increased.
  • an iron 40% by volume aqueous solution is sprayed on a heat resistant reflector made of iron with a hole heated to 850 ° C., the iron heat resistant reflector is melted into a molten mass. It is assumed that the oxidation reaction occurred at the same time and the temperature rose at once.
  • a high-temperature combustion method using a fuel and an organic compound aqueous solution comprising: a step of spraying and mixing and burning in a high-temperature combustion gas by one burner to further raise the room temperature to a higher temperature.
  • the fuel sprayed by the first burner is any one selected from petroleum such as kerosene and light oil, organic solvents such as alcohol, city gas, LPG, natural gas, hydrogen gas, or brown gas Alternatively, a high-temperature combustion method using the fuel and the organic compound aqueous solution according to any one of [1] to [7] above, wherein two or more kinds are used.
  • the organic compound aqueous solution includes a hardly decomposable harmful substance having a benzene ring as a skeleton structure such as dioxin or PCB, and the harmful benzene ring is decomposed in a combustion chamber to be rendered harmless.
  • a high-temperature combustion device that uses a featured fuel and aqueous organic compound solution. [12] (1) a combustion chamber; (2) a first burner for spraying fuel into a chamber attached to the combustion chamber and burning the fuel to raise the indoor temperature to 700 ° C. or higher; and (3) a first burner.
  • a heat-resistant reflector is disposed in the combustion chamber.
  • the heat-resistant reflector is made of metal or ceramic having a large number of through holes.
  • the organic compound aqueous solution sprayed from the second burner is an alcohol aqueous solution containing 10 to 50% by volume of ethanol or methanol, according to any one of [11] to [16] above High-temperature combustion equipment that uses fuel and organic compound aqueous solution.
  • the fuel sprayed by the first burner is any one selected from petroleum such as kerosene and light oil, organic solvents such as alcohol, city gas, LPG, natural gas, hydrogen gas, or brown gas Alternatively, a high-temperature combustion apparatus using the fuel and the organic compound aqueous solution according to any one of [11] to [17] above, wherein two or more kinds are used.
  • a superheated steam production apparatus that employs the apparatus according to any one of [11] to [18].
  • the temperature in the combustion chamber and / or the temperature in the heat treatment chamber can be increased synergistically to a high temperature as compared with the case where the fuel or the organic compound aqueous solution is used alone for combustion. . Therefore, the fuel and the organic compound can be burned completely, and the fuel cost can be reduced. Further, a large amount of high-temperature superheated steam can be produced by simple means.
  • FIG. 1 is an explanatory front view of an apparatus according to a first embodiment of the present invention.
  • FIG. 2 is a cross-sectional view of the combustion chamber of the apparatus according to the first embodiment and a plan view of a heat-resistant reflector disposed in the combustion chamber.
  • FIG. 3 is a graph showing temperature changes in the apparatus of Example 1.
  • FIG. 4 is a graph showing temperature changes in the apparatus of Example 2.
  • FIG. 5 is an explanatory graph of the amount of heat generated in the apparatus of Example 2.
  • FIG. 6 is a graph showing temperature changes in the apparatus of Example 3.
  • FIG. 7 is an explanatory graph of the amount of heat generated in the apparatus of Example 3.
  • FIG. 8 is a graph showing a temperature change in the apparatus of Example 4.
  • FIG. 9 is a graph showing temperature changes in the apparatus of Example 5.
  • FIG. 10 is a graph showing temperature changes in the apparatus of Example 6.
  • FIG. 11 is a graph showing temperature changes in the apparatus of Example 7.
  • FIG. 12 is a graph showing temperature changes in the apparatus of Example 8.
  • FIG. 13 is a graph showing temperature changes in the apparatus of Example 9.
  • FIG. 1 is an explanatory front view of an embodiment of the high-temperature combustion apparatus of the present invention, wherein 1 is a combustion chamber, 2 is a first burner, 3 is a second burner, 101 is a combustion chamber wall, 201 is a heat treatment chamber, and 301 is The passages T1 to T3 are thermometers.
  • FIG. 2A is a cross-sectional view of the combustion chamber 1 of FIG. 1, and the ceramic heat-resistant reflectors 4 and 5 having a large number of through holes 4 ′ and notches 5 ′ in the combustion chamber 1 (FIG. 2 ( b) and FIG. 2C are provided upright.
  • FIG. 2B and 2C are plan views of the heat resistant reflectors 4 and 5.
  • FIG. 1 fuel oil such as A heavy oil, light oil, and kerosene is sprayed into the combustion chamber 1 and burned from the first burner (fuel burner) 2.
  • An appropriate amount of air for complete combustion is supplied together with the fuel, and the air ratio is usually about 1.3 to 1.7. Therefore, the heat-resistant reflectors (for example, silicon carbide ceramic plates whose surfaces are coated with alumina) 4 and 5 disposed in the combustion chamber 1 are heated to a high temperature of 700 ° C. or higher.
  • any 1 type may be used for the heat-resistant reflector 4 or 5, or 2 types may be used in combination.
  • an organic aqueous solution (organic compound-containing water) is sprayed from the second burner (organic compound aqueous solution spray burner) 3 into the combustion chamber 1 so as to be mixed with the flame of the first burner and heated to a high temperature.
  • the organic compound is decomposed and oxidized on the surface of the heat-resistant reflectors 4 and 5 with a steam explosion on the surfaces of the heat-resistant reflectors 4 and 5.
  • the injection amount of the organic compound aqueous solution from the second burner 3 is preferably 1 to 5 parts by volume with respect to 1 part by volume of the kerosene injection from the first burner 2.
  • the temperature in the combustion chamber 1 is constantly measured by the thermometer T1.
  • the high-temperature gas in the passage 301 and the heat treatment chamber 201 is also high-temperature superheated steam containing water vapor.
  • a heavy oil or the like is injected and ignited from the first burner 2 to heat the heat resistant reflectors 4 and 5. Spraying of the organic aqueous solution is started when the temperature of the thermometer T1 reaches 700 ° C. or higher, preferably 1000 ° C. or higher when the water gas reaction occurs.
  • the spraying of the organic aqueous solution is preferably started from the same amount as that of the fuel, but if the temperature reaches 1000 ° C., there is no problem even if the spraying is about 2 to 5 times.
  • the sprayed organic aqueous solution (organic compound-containing water) collides with the heat-resistant reflectors 4 and 5 and receives a heat from the heat-resistant reflectors 4 and 5 in which the spray water is directly heated to a high temperature instead of the vapor film on the surface. Wake up. In this case, when a W / O type emulsion is used in place of the organic aqueous solution, the heat transfer is slowed down, and the possibility of water vapor micro-explosion becomes very low.
  • Water containing methanol or ethanol in the organic aqueous solution forms an azeotrope with methanol or ethanol, and the boiling point is lowered, so that a water vapor micro-explosion is more likely to occur.
  • methanol and ethanol are dissolved in water and alcohol is dissolved inside the water cluster, alcohol partially decomposes and bonds due to a slight explosion of water vapor, and water gas reaction and oxidation reaction occur simultaneously. Highly efficient combustion is realized.
  • an apparatus provided with a combustion chamber 1 and a heat treatment chamber 201 connected to the combustion chamber 1 was used. That is, the combustion chamber 1 and the heat treatment chamber 201 are communicated with each other through a passage 301 in which the outlet of the combustion chamber 1 and the inlet of the heat treatment chamber 201 are reduced in diameter.
  • the combustion chamber 1 is provided with a first burner 2 for increasing the room temperature to 700 ° C. or higher and a second burner 3 sprayed with an organic compound aqueous solution.
  • thermometers are installed at three locations, that is, the first thermometer T1 in the combustion chamber 1, the second thermometer T2 in the passage 301, and the first thermometer in the heat treatment chamber 201.
  • thermometer T3 was installed.
  • the heat treatment chamber 201 is a place where multipurpose heat is used, and power generation, boiler, metal refining, quenching, garbage incineration, and the like are performed.
  • the heat treatment chamber has been directly attached with a burner.
  • the combustion chamber is separated, the fuel is burned in a small combustion chamber, heated to 700 ° C. or higher, preferably 1000 ° C. or higher, and then an alcohol aqueous solution.
  • An aqueous solution of an organic compound such as water is sprayed to cause a slight explosion of water vapor to generate a high-temperature gas, which is sent to the heat treatment chamber 201 and used for power generation or the like.
  • the combustion chamber 1 was preheated by spraying 5.9 L / H heavy oil A (air ratio 1.5) from the first burner 2 using the apparatus shown in FIG. After the combustion chamber outlet temperature reached approximately 800 ° C. as measured by the thermometer T2, the second burner 3 was used to spray a 40 vol% ethanol aqueous solution at 11 L / H.
  • the thermometer T2 rose 210 ° C. and reached 1010 ° C. after 20 minutes.
  • the heat treatment chamber 201 (thermometer T3) rose from 610 ° C. to 170 ° C. and reached 780 ° C.
  • the temperature rise was slightly slow, rising 180 ° C.
  • thermometer T2 980 ° C.
  • thermometer T3 140 ° C. with the thermometer T3 to 750 ° C.
  • FIG. 3 a graph showing the temperature change in the apparatus.
  • the reason for this is not clearly understood, but microscopic droplets of an aqueous ethanol solution collide with a heat-resistant reflector heated to 700 ° C. or more, causing a water vapor micro-explosion. This micro-explosion shows more intense energy at higher temperatures.
  • ethanol dissolves in a cluster with water and has a boiling point as low as 78.4 ° C. Due to a severe explosion of water vapor, ethanol molecular bonds are decomposed or loosened, causing water gas reaction and oxidation reaction. It is thought that the temperature rapidly increased and the temperature rapidly increased.
  • the high-temperature gas in the passage 301 and the heat treatment chamber 201 was high-temperature superheated steam containing a large amount of steam.
  • a heavy oil 6.6 L / H (5.7 kg / H) is sprayed from the first burner 2 to heat the combustion chamber 1.
  • the temperature of the heat treatment chamber 201 was 630 ° C. as measured by T3.
  • 15.2 L / H of a 30 vol% ethanol aqueous solution (4.6 L of ethanol + 10.6 L of water) was sprayed from the second burner 3
  • the temperature of the heat treatment chamber 201 increased from 630 ° C. to 820 ° C. as measured by T 3. 190 ° C.
  • the calorific value of the heavy oil + ethanol 30% by volume aqueous solution increased by 23% compared to the heavy oil + the same amount of pure ethanol.
  • This is illustrated in FIG. From the results of FIG. 5, when adding 30% by volume of ethanol, it is 40590 kcal / H, whereas when adding pure ethanol only, it is 32940 kcal / H, and the difference (40590-32940 7650 kcal / H). It is understood that the energy of 7650 kcal / H which is H) has been increased.
  • the high temperature gas (about 900 to 1100 ° C.) obtained in this example contains a large amount (23.8%) of H 2 O (water). This is also hot superheated steam. Therefore, according to the present invention, a large amount of high-temperature superheated steam can be produced by a simple means.
  • Example 2 In the same manner as in Example 2, the same amount of pure methanol as that of a 30% by volume aqueous solution of methanol was tested. The test results are shown in FIG. A heavy oil 6.6 L / H was sprayed into the combustion chamber 1 from the first burner 2 and heated using the apparatus shown in FIG. After heating for 1 hour, the thermometer T2 in the combustion chamber outlet communication passage reached 800 ° C. and became almost stable, and therefore, the second burner 3 gave a 30% by volume aqueous methanol solution 15.2 L / H (pure methanol 4. 6 L / H, water 10.6 L / H) was sprayed, and after 20 minutes, the temperature increased by 140 ° C. at the combustion chamber outlet communication portion T2, and increased by 940 ° C.
  • thermometer T2 in the combustion chamber outlet communication passage increased from 800 ° C. to 140 ° C., which is the same as the 30% methanol aqueous solution, 940 ° C.
  • the heat treatment chamber thermometer T3 stopped rising from 630 ° C to 720 ° C.
  • Example 2 a heat increase of 23% (Example 2) was obtained with a 30% by volume aqueous ethanol solution, but the heat increase was 19% (Example 3) with a 30% methanol by volume aqueous solution.
  • Example 3 a heat increase of 20% or more can be expected.
  • the high-temperature gas in the passage 301 and the heat treatment chamber 201 was high-temperature superheated steam containing a large amount of high-temperature steam.
  • thermometer T1 measured the temperature near the center of the combustion chamber
  • thermometer T2 measured the outlet of the combustion chamber
  • thermometer T3 measured the temperature near the outlet of the heat treatment chamber.
  • the heat treatment room is a place that can be used for multiple purposes, and power generation, boilers, incinerators, etc. will be used. Therefore, the higher the temperature of the thermometer T3, the higher the thermal efficiency.
  • 21 L / H of a 30% methanol aqueous solution was sprayed.
  • Thermometer T2 rose 120 ° C. from 960 ° C. to 1080 ° C.
  • thermometer T3 rose 100 ° C. from 800 ° C. to 900 ° C. The above is as shown in FIG.
  • thermometer T3 As the preheating of the combustion chamber, A heavy oil A is 6.6 L / H. In this time, the preheating time with heavy oil is 30 minutes, and when the temperature of the thermometers T2 and T3 is almost stabilized, a 30 volume% methanol aqueous solution is 25 L / H Sprayed. Thermometer T2 increased from 965 ° C. to 1100 ° C. and 135 ° C., and thermometer T3 also increased from 810 ° C. to 940 ° C. by 130 ° C. The injection amount of the 30% by volume aqueous solution of methanol is 21 L / H in Example 4, and 25 L / H in Example 5. Therefore, the rise in thermometer T3 is also Example 4: 900 ° C. (+ 100 ° C.), Example 5: The difference was 940 ° C (+ 130 ° C). The above is as shown in FIG.
  • thermometer T2 rose rapidly from 780 ° C. to 1000 ° C. by 220 ° C.
  • thermometer T3 rose from 630 ° C. to 820 ° C. by 190 ° C.
  • thermometer T2 returned to the level before the addition of ethanol, but the thermometer T3 decreased by 70 ° C to 730 ° C. However, it was a level 110 degreeC higher than the level before ethanol addition. The above is as shown in FIG.
  • Example 6 A test was performed under the same conditions as in Example 6 to examine reproducibility. First, in order to heat a combustion chamber to 700 degreeC or more, A heavy oil 6.6L / H was sprayed with the 1st burner, and the temperature of the combustion chamber was raised. After about 40 minutes, the thermometer T2 showed 800 ° C. and the thermometer T3 showed 640 ° C. Therefore, 15.2 L / H of a 30% by volume ethanol solution was sprayed. Thermometer T2 increased by 980 ° C. and 180 ° C., and thermometer T3 increased by 800 ° C. and 160 ° C. After 20 minutes, the pilot A heavy oil was dropped from 6.6 L / H to 5.1 L / H, a 22% decrease.
  • thermometer T2 at the outlet of the combustion chamber dropped 160 ° C. from 980 ° C. to 820 ° C.
  • thermometer T3 at the outlet of the heat treatment chamber only dropped 70 ° C. from 800 ° C. to 730 ° C. (There is still a difference of 90 ° C. from the temperature of 640 ° C. of only the original heavy oil A).
  • the above is as shown in FIG. Since the heat utilization of this method is determined by the heat amount in the heat treatment chamber, the amount of heavy oil A can be further reduced by 22%, and can be reduced by 44% as a whole.
  • thermometer T2 was increased from 135 ° C. to 800 ° C. and 135 ° C.
  • the thermometer T3 was slightly increased from 625 ° C. to 745 ° C. by 125 ° C.
  • the heavy oil A was dropped from 6.6 L / H to 5.5 L / H, a 17% reduction.
  • the temperature of the thermometer T3 that determines the amount of heat that can be used decreased 55 ° C. to 695 ° C.
  • This example is an example in which methanol-based wastewater (40% by volume of methanol-containing wastewater, containing some amines, formalin, etc.) was added for testing.
  • methanol-based wastewater (40% by volume of methanol-containing wastewater, containing some amines, formalin, etc.) was added for testing.
  • a heavy oil 5.7 L / H was sprayed and burned from the first burner 2 into the combustion chamber 1 and heated for about 70 minutes.
  • the combustion chamber thermometer T1 reached 1050 ° C.
  • the combustion chamber outlet thermometer T2 reached 750 ° C.
  • the methanol-based wastewater was added from the second burner 3 at 11.4 L / H and burned.
  • the temperature rose about 200 ° C. after a minute, and the thermometer T2 rose 230 ° C. from 750 ° C. to 980 ° C. 30 minutes after spraying the waste water.
  • the above is as shown in FIG.
  • the temperature of the heat treatment chamber that can be used as a heat engine rose from 600 ° C. to 760 ° C. by 160 ° C.
  • methanol-based organic wastewater can be used in the present invention.
  • wastewater having a methanol content of about 40% by volume does not burn as it is, so it has been collected as waste by a waste disposal contractor for a fee, but according to the present invention, it can be fully utilized as fuel, and There is no need to pay a waste disposal contractor for a fee.
  • the high-temperature gas in the passage 301 and the heat treatment chamber 201 was high-temperature superheated steam containing a large amount of water vapor.
  • Combustion chamber 2 First burner 3: Second burner 4, 5: Heat-resistant reflector 101: Combustion chamber wall 201: Heat treatment chamber 301: Passage T1 to T3: Thermometer
PCT/JP2011/050606 2010-01-07 2011-01-07 燃料と有機化合物水溶液を使用する高温燃焼方法及び装置 WO2011083877A1 (ja)

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US13/520,690 US20120308941A1 (en) 2010-01-07 2011-01-07 Method and device for high-temperature combustion using fuel and aqueous solution of organic compound
JP2011549045A JPWO2011083877A1 (ja) 2010-01-07 2011-01-07 燃料と有機化合物水溶液を使用する高温燃焼方法及び装置
CN201180012845.7A CN102893087B (zh) 2010-01-07 2011-01-07 使用燃料和有机化合物水溶液的高温燃烧方法及装置

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JP2010002281 2010-01-07
JP2010-002281 2010-01-07

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Cited By (3)

* Cited by examiner, † Cited by third party
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JP5006467B1 (ja) * 2011-12-02 2012-08-22 吉田工業株式会社 ダイオキシン類焼却処理装置および方法
CN103900098A (zh) * 2012-12-26 2014-07-02 陈彦佐 氢能废热锅炉助燃系统
CN106318485A (zh) * 2016-08-17 2017-01-11 李广信 一种生物油以及以该生物油为燃料的燃烧工艺

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CN108844081B (zh) * 2018-06-29 2020-01-10 赣州东绿环保科技有限公司 一种高浓度的有机污水焚烧净化系统及其方法

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CN106318485A (zh) * 2016-08-17 2017-01-11 李广信 一种生物油以及以该生物油为燃料的燃烧工艺

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