CN101737777B - Burner used for fuel gas distribution and exchangeability test - Google Patents
Burner used for fuel gas distribution and exchangeability test Download PDFInfo
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- CN101737777B CN101737777B CN200810152958A CN200810152958A CN101737777B CN 101737777 B CN101737777 B CN 101737777B CN 200810152958 A CN200810152958 A CN 200810152958A CN 200810152958 A CN200810152958 A CN 200810152958A CN 101737777 B CN101737777 B CN 101737777B
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Abstract
The invention relates to a burner used for fuel gas distribution and exchangeability test, which comprises a burner head, a mixing tube, a gas mixture eduction tube, a gas mixture buffer, a contraction and expansion mixing tube, an air tank, fuel gas intake tubes, air intake tubes, a movable bottom plate and a supporting seat of the burner; the burner head and the mixing tube are in a movable type connection; the mixing tube is connected with the gas mixture buffer below the mixing tube, a perforation on the buffer is connected with the eduction tube, the gas mixture buffer is connected with the contraction and expansion mixing tube below the gas mixture buffer, the air tank is connected below the contraction and expansion mixing tube, the movable metal bottom plate is arranged below the air tank, and a group of fuel gas intake tubes and two groups of air intake tubes are respectively installed above the air tank; and the burner device is installed on the movable supporting seat. The invention has the following advantages: (1) the critical components are in movable type design, and the invention has convenient replacement, flexible installation, strong practicability and high testaccuracy and can realize the burning test of various fuel gases on the same burner; and (2) the flow rate and the pressure of the fuel gases and the air are controllable and adjustable, and the invention realizes the test and the check of various burning working conditions and various burning effects of the same fuel gas.
Description
Technical field:
The invention belongs to the burner that uses in the combustion gas applied technical field; Be particularly related to a kind of through the combustion gas of control entering burner and the flow and the pressure of air; And according to actual different application thermic load; The burner head specification is changed in adjustment, and burner is used in combustion gas distribution and interchangeability test that the combustion conditions and the combustion efficiency of different combustion gas are carried out test verification.
Background technology:
Because the diversity and the complexity of source for city, all links such as gas supply and application, combustion gas tool production adjusting, fuel gas buring test need be used alternative combustion gas (being displacement gas).For guaranteeing that substituting combustion gas has the identical combustion characteristics of original benchmark combustion gas, thermal property index; Must control the equivalent interchange process of the distribution process of multicomponent gas or displacement combustion gas (displacement gas), benchmark combustion gas (combustion gas of the long-term normal use in somewhere); Displacement gas characteristic to preparation is analyzed and is checked, so that the distribution or the interchangeability effect of combustion gas are tested and estimated.
At present domesticly be not specifically designed to the burner special that combustion gas distribution detection and interchangeability of gas measure of merit are used, general just technological according to the combustion gas distribution, the displacement gas that obtains is burnt on common kitchen range, observe its combustion conditions.Because the gas nozzle fixed size of common kitchen range, air air intake baffle arrangement is simple, can only be applicable to a certain combustion gas of burning; The burning fire hole of while ordinary burner head is arranged tightr, and burning back flame becomes flame group or the inside and outside flame of flame influences each other, the combustion efficiency of analysis that can not be clear and intuitive and judgement combustion gas.
Therefore manufacturing enterprise or with gas unit behind the preparation displacement gas, generally can't test just directly applying to and produce or supply, and can not obtain to estimate in advance the quality of distribution.
Summary of the invention:
The object of the invention just is to overcome deficiency and the defective that prior art exists; Provide the test of a kind of combustion gas distribution and interchangeability to use burner; This burner gets into the combustion gas of burner and the flow and the pressure of air through control; And according to the different application thermic load, the burner head specification is changed in adjustment, and the combustion conditions and the combustion efficiency of different combustion gas are carried out test verification.
Technical scheme of the present invention is: burner is used in a kind of combustion gas distribution and interchangeability test, it is characterized in that: be made up of burner head, mixing tube, gaseous mixture fairlead, gaseous mixture buffer, reducing and expansion mixing tube, air tank, gas inlet pipe, air intake duct, movable floor, burner bearing; Burner head adopts movable the connection with mixing tube; Mixing tube is connected with following gaseous mixture buffer; Perforate is connected with fairlead on the buffer; The gaseous mixture buffer is connected with following reducing and expansion mixing tube; Be connected with air tank below the reducing and expansion mixing tube, the metal base plate of employing activity is separately installed with one group of gas inlet pipe and two groups of air intake ducts above below the air tank; Burner apparatus is placed on the movable bearing support; The peripheral surface of said burner head and upper surface boring, its aperture φ is 1～10 millimeter, and whole head diameter is 20～100 millimeters, highly is 20～80 millimeters, and the fire hole number is 10～50; Combustion gas thermic load during respectively corresponding gas inlet pipe different spray nozzles diameter; The diameter of above-mentioned gas inlet pipe is 8～20 millimeters; The nozzle diameter on top is 0.5～5.0 millimeter, and designs of nozzles is movable detachable, with being threaded; Whole exhaust gas nozzle height is decided according to the air tank height; Gas Pipe is fixed on the center of metal base plate, and nozzle is positioned at the taper trunnion place below the reducing and expansion mixing tube, is convenient to the injection air; Metal base plate arranged outside valve and male-pipe; The diameter of above-mentioned air intake duct is 8～20 millimeters; The nozzle diameter on top is 0.5～5.0 millimeter, and designs of nozzles is movable detachable, with being threaded; Air hose adopts symmetrical expression to install; Be positioned at the both sides of gas inlet pipe, the nozzle top is lower than or is positioned at the intermediate altitude of air tank, metal base plate arranged outside valve and male-pipe.
Above-mentioned mixed tube diameter is 20～50 millimeters, highly is 20～80 millimeters.
The path of above-mentioned reducing and expansion mixing tube is 10～50 millimeters, and big footpath is 20～100 millimeters, and total height is 50～300 millimeters.
The diameter of above-mentioned air tank is 40～200 millimeters, highly is 40～200 millimeters.
Advantage of the present invention is:
1, fill up domestic in combustion gas distribution and interchangeability of gas combustion testing, test is with the blank of burner shortcoming.
2, critical component is movable design, change convenient, flexible for installation, practical, measuring accuracy is high, can realize the combustion testing of multiple combustion gas on the same burner.
3, the flow of combustion gas and air and pressure are controllable, have realized the multiple combustion conditions of same combustion gas and combustion efficiency are tested and checked.
Description of drawings:
Fig. 1 is that the burner apparatus sketch map is used in combustion gas distribution and interchangeability test.
Among the figure: the 1-burner head; The 2-mixing tube; 3-gaseous mixture fairlead; 4-gaseous mixture buffer; 5-reducing and expansion mixing tube; The 6-air tank; The 7-gas inlet pipe; The 8-air intake duct; 9-live metal base plate; 10-burner bearing.
The specific embodiment:
Fig. 1 is that a kind of combustion gas distribution provided by the invention and interchangeability are tested the burner apparatus sketch map with embodiment; Combustion gas and air mass flow and pressure through the control access to plant; And according to the different application thermic load; The burner head specification is changed in adjustment, and the combustion conditions of different combustion gas in combustion gas distribution and the interchangeability transfer process and combustion efficiency are tested and checked.Mainly comprise burner head 1, mixing tube 2, gaseous mixture fairlead 3, gaseous mixture buffer 4, reducing and expansion mixing tube 5, air tank 6, gas inlet pipe 7, air intake duct 8, live metal base plate 9, burner bearing 10 compositions.
Burner head adopts movable design, and the mixing tube below burner head is connected; Mixing tube is connected with following gaseous mixture buffer, and the gaseous mixture buffer can keep mixture pressure stable, and perforate is connected with fairlead on the buffer, is used for the pressure and other parameters to gaseous mixture sampling or measurement gaseous mixture; The gaseous mixture buffer is connected with following reducing and expansion mixing tube, and the reducing and expansion mixing tube has formed the injector of burner, is convenient to combustion gas injection more air amount; Be connected with air tank below the reducing and expansion mixing tube, air tank inside is full of air, and the air pressure that has kept getting in the reducing and expansion mixing tube is stablized; The metal base plate of installation activity below the air tank is provided with 1 group of gas inlet pipe and 2 groups of air intake ducts above respectively, and wherein the nozzle of gas inlet pipe is positioned at the mouth of pipe place of reducing and expansion mixing tube; Burner apparatus integral body is placed on the bearing.
The peripheral surface of described burner head and top boring, its aperture φ is 1～10 millimeter, and whole head diameter is 20～100 millimeters, highly is 20～80 millimeters, and the fire hole number is 10～50; Combustion gas thermic load during respectively corresponding gas inlet pipe different spray nozzles diameter.
Mixed tube diameter below the described burner head is 20～50 millimeters, highly is 20～80 millimeters, for the support and connection burner head is provided with.
The diameter of described reducing and expansion mixing tube, its path are 10～50 millimeters, and big footpath is 20～100 millimeters; Total height is 50～300 millimeters, and it utilizes reducing and expansion pipe inspection combustion gas self kinetic energy, in proportion a certain amount of air is sucked; Both are mixed, and make its pressure reach predetermined value.
Described air tank is characterized in that: the diameter of air tank is 40～200 millimeters, highly is 40～200 millimeters, and top connects the reducing and expansion mixing tube, and gas inlet pipe and air intake duct are installed on the following movable floor.
Described gas inlet pipe, its diameter are 8～20 millimeters, and the nozzle diameter on top is 0.5～3.0 millimeter; Designs of nozzles is movable detachable; With being threaded, whole exhaust gas nozzle height is decided with the air tank height, and Gas Pipe is fixed on the center of base plate; Nozzle is positioned at the taper trunnion place below the reducing and expansion mixing tube, is convenient to the injection air; Plate outer side is provided with valve and male-pipe, so that connect pipe gas; The aperture of valve is adjustable, and the pressure of combustion gas and flow can be regulated.
Described air intake duct, its diameter are 8～20 millimeters, and the nozzle diameter on top is 0.5～3.0 millimeter; Designs of nozzles is movable detachable; With being threaded, air hose adopts symmetrical expression to install, and is positioned at the both sides of gas inlet pipe; The nozzle top is lower than or is positioned at the intermediate altitude of air tank, so that replenish air capacity.Plate outer side is provided with valve and male-pipe, so that connect air duct; The aperture of valve can be controlled, and the pressure of air and flow can be regulated.
The course of work of the present invention:
(1) at first uses the benchmark combustion gas and on burner, carry out combustion testing,, select the gas inlet pipe nozzle of suitable dimension according to the characterisitic parameter of reference gas; According to the combustion gas thermic load that nozzle reaches, the burner head fire hole size that selection matches is opened the combustion gas air intake valve; The burning reference gas according to flame profile, is regulated the air inlet valve size; Until the clear bright blue flame of appearance, and the inside and outside flame of flame is clear clearly demarcated.Keep stable combustion condition, observed 5～10 minutes, no longer change combustion case the best to flame.
(2) close the air intake valve of reference gas, the flame of extinguish combustion device.
(3) keep the air intake duct valve opening constant, air mass flow and pressure also remain unchanged, the testing experiment of the displacement gas that burns.
(4), carry out the corresponding test of displacement gas according to top content measurement and testing procedure.According to the flame situation, compare and analyze.
Because the primary air amount of combustion gas and the Wobbe index of combustion gas are inversely proportional to, and displacement gas is to adopt with reference gas Wobbe index equal principle to prepare.So the air inlet amount of burner remains unchanged, the primary air amount that gets into burner when just making the burning displacement gas keeps stable, thereby guarantees that reference gas and test displacement gas can carry out testing experiment under same combustion conditions.Make the test comparativity strong, conclusion is accurate.
(5) in the case, through regulating the air inflow of air and combustion gas, that can carry out different combustion gas such as reference gas and displacement gas respectively leaves each item experimental tests such as flame, Huang Yan and tempering.According to primary air amount that records and combustion gas thermic load, make up the burner combustion characteristic curve.
(6) simultaneously, the different fuel gas burings of corresponding reference gas and displacement gas can carry out the composition test test of flue gas, CO, NOx equal size situation in the combustion product of two kinds of combustion gas of test at burner head.
(7) based on the combustion phenomena and the combustion product analysis of above-mentioned different combustion gas; Can analyze and study the characteristic of other combustion gas and reference gas, thereby can the displacement gas when confirming test gas or the interchangeability research of distribution realize the combustion characteristics identical with reference gas; The test verification of effect is exchanged in completion to distribution of gas high accuracy and combustion gas.
Claims (4)
1. burner is used in the test of combustion gas distribution and interchangeability, it is characterized in that: be made up of burner head, mixing tube, gaseous mixture fairlead, gaseous mixture buffer, reducing and expansion mixing tube, air tank, gas inlet pipe, air intake duct, movable floor, burner bearing; Burner head adopts movable the connection with mixing tube; Mixing tube is connected with following gaseous mixture buffer; Perforate is connected with fairlead on the buffer; The gaseous mixture buffer is connected with following reducing and expansion mixing tube; Be connected with air tank below the reducing and expansion mixing tube, the metal base plate of employing activity is separately installed with one group of gas inlet pipe and two groups of air intake ducts above below the air tank; Burner apparatus is placed on the movable bearing support;
The peripheral surface of said burner head and upper surface boring, its aperture φ is 1～10 millimeter, and whole head diameter is 20～100 millimeters, highly is 20～80 millimeters, and the fire hole number is 10～50; Combustion gas thermic load during respectively corresponding gas inlet pipe different spray nozzles diameter;
The diameter of above-mentioned gas inlet pipe is 8～20 millimeters; The nozzle diameter on top is 0.5～5.0 millimeter, and designs of nozzles is movable detachable, with being threaded; Whole exhaust gas nozzle height is decided according to the air tank height; Gas Pipe is fixed on the center of metal base plate, and nozzle is positioned at the taper trunnion place below the reducing and expansion mixing tube, is convenient to the injection air; Metal base plate arranged outside valve and male-pipe;
The diameter of above-mentioned air intake duct is 8～20 millimeters; The nozzle diameter on top is 0.5～5.0 millimeter, and designs of nozzles is movable detachable, with being threaded; Air hose adopts symmetrical expression to install; Be positioned at the both sides of gas inlet pipe, the nozzle top is lower than or is positioned at the intermediate altitude of air tank, metal base plate arranged outside valve and male-pipe.
2. burner is used in combustion gas distribution according to claim 1 and interchangeability test, and it is characterized in that: above-mentioned mixed tube diameter is 20～50 millimeters, highly is 20～80 millimeters.
3. burner is used in combustion gas distribution according to claim 1 and interchangeability test, and it is characterized in that: the path of above-mentioned reducing and expansion mixing tube is 10～50 millimeters, and big footpath is 20～100 millimeters, and total height is 50～300 millimeters.
4. burner is used in combustion gas distribution according to claim 1 and interchangeability test, and it is characterized in that: the diameter of above-mentioned air tank is 40～200 millimeters, highly is 40～200 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810152958A CN101737777B (en) | 2008-11-12 | 2008-11-12 | Burner used for fuel gas distribution and exchangeability test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810152958A CN101737777B (en) | 2008-11-12 | 2008-11-12 | Burner used for fuel gas distribution and exchangeability test |
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| Publication Number | Publication Date |
|---|---|
| CN101737777A CN101737777A (en) | 2010-06-16 |
| CN101737777B true CN101737777B (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810152958A Active CN101737777B (en) | 2008-11-12 | 2008-11-12 | Burner used for fuel gas distribution and exchangeability test |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113219150B (en) * | 2021-06-23 | 2022-09-27 | 重庆钢铁股份有限公司 | Small coke oven experimental device and small coke oven dual-purpose method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3799195A (en) * | 1971-03-17 | 1974-03-26 | Four Industriel Belge | Device for controlling a mixture of two gases |
| FR2466707A1 (en) * | 1979-10-03 | 1981-04-10 | Utilisation Ration Gaz | BURNER FOR THE PRODUCTION OF A LONGILINE FLAME |
| CN2038598U (en) * | 1988-09-27 | 1989-05-31 | 杭州新型建筑材料工业设计研究院 | Atmospheric burner ignited by pressure |
| CN2076201U (en) * | 1990-04-02 | 1991-05-01 | 封洪明 | Gas burner |
| JP3053752B2 (en) * | 1995-07-31 | 2000-06-19 | リンナイ株式会社 | Combustion equipment |
| CN2494930Y (en) * | 2001-09-05 | 2002-06-12 | 何安生 | Column environment protection energy-saving burner |
-
2008
- 2008-11-12 CN CN200810152958A patent/CN101737777B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3799195A (en) * | 1971-03-17 | 1974-03-26 | Four Industriel Belge | Device for controlling a mixture of two gases |
| FR2466707A1 (en) * | 1979-10-03 | 1981-04-10 | Utilisation Ration Gaz | BURNER FOR THE PRODUCTION OF A LONGILINE FLAME |
| CN2038598U (en) * | 1988-09-27 | 1989-05-31 | 杭州新型建筑材料工业设计研究院 | Atmospheric burner ignited by pressure |
| CN2076201U (en) * | 1990-04-02 | 1991-05-01 | 封洪明 | Gas burner |
| JP3053752B2 (en) * | 1995-07-31 | 2000-06-19 | リンナイ株式会社 | Combustion equipment |
| CN2494930Y (en) * | 2001-09-05 | 2002-06-12 | 何安生 | Column environment protection energy-saving burner |
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| Publication number | Publication date |
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| CN101737777A (en) | 2010-06-16 |
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Address after: 300074 Hexi District Meteorological Observatory Road, Tianjin, No. 99 Patentee after: NORTH CHINA MUNICIPAL ENGINEERING DESIGN & RESEARCH INSTITUTE Co.,Ltd. Address before: 300074 Hexi District Meteorological Observatory Road, Tianjin, No. 99 Patentee before: North China Municipal Engineering Design & Research Institute Address after: 300074 Hexi District Meteorological Observatory Road, Tianjin, No. 99 Patentee after: NORTH CHINA MUNICIPAL ENGINEERING DESIGN & Research Institute Address before: 300074 Hexi District Meteorological Observatory Road, Tianjin, No. 99 Patentee before: North China Municipal Engineering Design & Research Institute |
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