CN2648295Y

CN2648295Y - Gasification small oil gun

Info

Publication number: CN2648295Y
Application number: CN 03260460
Authority: CN
Inventors: 鞠胤宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-08-28
Filing date: 2003-08-28
Publication date: 2004-10-13
Anticipated expiration: 2013-08-28

Abstract

The utility model relates to a gasifying small oil-gun, relating to an improvement to the structure of a gasifying oil-gun used for emblazing the coal powder of the coal-powder boiler of a power station. For the utility model, an oil feeding pipe (3) which is communicated with the oil feeding pipe (2) is fixed on the outer side of a rear wall (1-1) of a gun casing (1); an oil nozzle (12) is fixed at the center of the front end of a gun body (9); a gasifying pipe (10) is fixed on the outer side of the oil nozzle (12) and the gun body (9) of the inner side of an air-venting cover; a vortex plate (11) is fixed between the oil nozzle (12) and the gasifying pipe (10). A minus-pressure zone is formed at the outlet (7-1) of a volume-enlarging device (7), and a high-pressure air-feeding pipe (5) is fixed on the outer edge of a pressed-air feeding pipe (4) on the rear wall (1-1) of the gun casing (1) and is communicated with the inner cavity (1-2) of the gun casing (1). A high pressure air-venting channel (8) is arranged in the gun body (9), and a high-pressure air outlet (13-1) is formed at the front end of the air-venting cover (13). The utility model has the advantages that the volume is small; the emblazing speed is quick; the flame has the high temperature; the maintaining and disassembling are convenient; the fuel can be saved with the high safety and reliability.

Description

Gasifying Small Oil Gun

Technical field: the utility model relates to the improvement of the gasification oil gun structure that the generating plant pulverized coal boiler firing coal-dust uses.

Background technology: the gasification oil gun rifle body that existing generating plant pulverized coal boiler is used for firing coal-dust is bigger, the structure more complicated, and the speed of igniting is slow, the repair demolition inconvenience, its disadvantage is exactly excessive fuel consumption, is that the utmost point does not conform to the energy strategy of current fuel replace oil with coal.

The utility model content: the purpose of this utility model is that a kind of volume of development is little, the speed of igniting is fast, repair demolition convenient, saves fuel oil, security, the Gasifying Small Oil Gun that reliability is high.The utility model is made up of rifle housing 1, oil inlet pipe 2, oil inlet pipe 3, compressed air inlet pipe 4, high pressure blast pipe 5, compressed air hose 6, flash vessel 7, high-pressure blast passage 8, rifle entity 9, vapor lamp 10, cyclone plate 11, atomizer 12, outlet housing 13; The front end of rifle housing 1 is fixedlyed connected with the rear end of rifle entity 9, outlet housing 13 is fixed on the front end of rifle entity 9, the front end of oil inlet pipe 2 is fixed on the rifle entity 9, the rear end of oil inlet pipe 2 is fixed on the rear wall 1-1 of rifle housing 1, the oil inlet pipe 3 that communicates with oil inlet pipe 2 is fixed on the rear wall 1-1 outside of rifle housing 1, atomizer 12 be fixed on rifle entity 9 front ends in the heart, vapor lamp 10 is fixed on the rifle entity 9 of atomizer 12 outsides and outlet housing 13 inboards, be fixed with cyclone plate 11 between atomizer 12 and the vapor lamp 10, flash vessel 7 is fixed on the rear side of the rifle entity 9 in the rifle housing 1, one end of vapor lamp 10 is connected with oil inlet pipe 2 by the passage 9-1 in the rifle entity 9, the other end of vapor lamp 10 is connected with the import of flash vessel 7 by the passage 9-2 in the rifle entity 9, the outlet 7-1 of flash vessel 7 is connected with the import 12-1 of atomizer 12, be fixedly connected with compressed air hose 6 between the import 12-1 of compressed air inlet pipe 4 and atomizer 12, the outlet 7-1 place of flash vessel 7 forms negative pressuren zone, the outer of compressed air inlet pipe 4 that high pressure blast pipe 5 is fixed on the rear wall 1-1 of rifle housing 1 placed, and be connected with the inner chamber 1-2 of rifle housing 1, be provided with high-pressure blast passage 8 in the rifle entity 9, the front port of outlet housing 13 forms the outlet 13-1 of high-pressure blast.The utlity model has that volume is little, the speed of igniting is fast, flame temperature is high, repair demolition is convenient, save fuel oil, security, the advantage that reliability is high.

Description of drawings: Fig. 1 is an overall structure schematic diagram of the present utility model.

The specific embodiment: present embodiment is made up of rifle housing 1, oil inlet pipe 2, oil inlet pipe 3, compressed air inlet pipe 4, high pressure blast pipe 5, compressed air hose 6, flash vessel 7, high-pressure blast passage 8, rifle entity 9, vapor lamp 10, cyclone plate 11, atomizer 12, outlet housing 13; The front end of rifle housing 1 is fixedlyed connected with the rear end of rifle entity 9, outlet housing 13 is fixed on the front end of rifle entity 9, the front end of oil inlet pipe 2 is fixed on the rifle entity 9, the rear end of oil inlet pipe 2 is fixed on the rear wall 1-1 of rifle housing 1, the oil inlet pipe 3 that communicates with oil inlet pipe 2 is fixed on the rear wall 1-1 outside of rifle housing 1, atomizer 12 be fixed on rifle entity 9 front ends in the heart, vapor lamp 10 is fixed on the rifle entity 9 of atomizer 12 outsides and outlet housing 13 inboards, be fixed with cyclone plate 11 between atomizer 12 and the vapor lamp 10, flash vessel 7 is fixed on the rear side of the rifle entity 9 in the rifle housing 1, one end of vapor lamp 10 is connected with oil inlet pipe 2 by the passage 9-1 in the rifle entity 9, the other end of vapor lamp 10 is connected with the import of flash vessel 7 by the passage 9-2 in the rifle entity 9, the outlet 7-1 of flash vessel 7 is connected with the import 12-1 of atomizer 12, be fixedly connected with compressed air hose 6 between the import 12-1 of compressed air inlet pipe 4 and atomizer 12, the outlet 7-1 place of flash vessel 7 forms negative pressuren zone, the outer of compressed air inlet pipe 4 that high pressure blast pipe 5 is fixed on the rear wall 1-1 of rifle housing 1 placed, and be connected with the inner chamber 1-2 of rifle housing 1, be provided with high-pressure blast passage 8 in the rifle entity 9, the front port of outlet housing 13 forms the outlet 13-1 of high-pressure blast.On the outer of outlet housing 13, have connecting through hole 14.

Operation principle: the oil of being come in by oil inlet pipe 2 at first enters vapor lamp 10 and carries out the initial stage heating and gasifying, obtain certain pressure, the gas and oil mixed fuel of temperature enters flash vessel 7 again and carries out the dilatation gasification, spray at a high speed through atomizer 12 afterwards and burn, utilize the hyperthermia radiation of flame to quicken to finish the later stage heating and gasifying of fuel, realize that the flame rigidity behind the gasification, and combustion is extremely strong, its spread speed surpasses the velocity of sound, flame is complete transparence, flame temperature is up to 1500-2000 ℃, can be used as high temperature fire nuclear and in burner, carry out direct firing coal-dust burning, thereby realize that station boiler starts, stop and low-load combustion-stabilizing.Running parameter of the present utility model: fuel pressure: 0.4-0.8MPa; Oil Gun 12-25kg/h; Compressed air pressure: 0.20-0.45MPa; High-pressure blast pressure: 4000-5000Pa; Powder feeding primary air velocity: 18-26m/s; But firing coal-dust amount: 400-500kg/h.The utility model is applicable to that the cold and hot of the generating plant pulverized coal boiler of various capacity starts and the needs of low-load combustion-stabilizing, the amount of fuel that the stove cold start once consumes is 100-300kg (boiler of different capabilities is different), rate of economizing gasoline is 95%, and the synthesis energy saving rate is 80%.

Claims

1, Gasifying Small Oil Gun, it is made up of rifle housing (1), oil inlet pipe (2), oil inlet pipe (3), compressed air inlet pipe (4), high pressure blast pipe (5), compressed air hose (6), flash vessel (7), high-pressure blast passage (8), rifle entity (9), vapor lamp (10), cyclone plate (11), atomizer (12), outlet housing (13); The front end that it is characterized in that rifle housing (1) is fixedlyed connected with the rear end of rifle entity (9), outlet housing (13) is fixed on the front end of rifle entity (9), the front end of oil inlet pipe (2) is fixed on the rifle entity (9), the rear end of oil inlet pipe (2) is fixed on the rear wall (1-1) of rifle housing (1), the oil inlet pipe (3) that communicates with oil inlet pipe (2) is fixed on rear wall (1-1) outside of rifle housing (1), atomizer (12) be fixed on rifle entity (9) front end in the heart, vapor lamp (10) is fixed on the rifle entity (9) of atomizer (12) outside and outlet housing (13) inboard, be fixed with cyclone plate (11) between atomizer (12) and the vapor lamp (10), flash vessel (7) is fixed on the rear side of the rifle entity (9) in the rifle housing (1), one end of vapor lamp (10) is connected with oil inlet pipe (2) by the passage (9-1) in the rifle entity (9), the other end of vapor lamp (10) is connected with the import of flash vessel (7) by the passage (9-2) in the rifle entity (9), the outlet (7-1) of flash vessel (7) is connected with the import (12-1) of atomizer (12), be fixedly connected with compressed air hose (6) between the import (12-1) of compressed air inlet pipe (4) and atomizer (12), the outlet (7-1) of flash vessel (7) locates to form negative pressuren zone, high pressure blast pipe (5) is fixed on outer the placing of the compressed air inlet pipe (4) on the rear wall (1-1) of rifle housing (1), and be connected with the inner chamber (1-2) of rifle housing (1), be provided with high-pressure blast passage (8) in the rifle entity (9), the front port of outlet housing (13) forms the outlet (13-1) of high-pressure blast.

2, Gasifying Small Oil Gun according to claim 1 is characterized in that having connecting through hole (14) on the outer of outlet housing (13).