CN2544184Y - Hydrocarbon and alcohol fuel combustion device for boiler - Google Patents

Abstract

Boiler hydrocarbon alcohol fuel combustion device involves boiler technology products, including boiler, burner air and fuel isobaric working tank, the burner is composed of an outer shell with air passages and a main combustion chamber, a pre-combustion chamber, and a main combustion chamber. The inner shell is composed of the air hole and the air distribution hole of the pre-combustion chamber; the fuel nozzle composed of the nozzle shell processed with the pressure ventilation hole and the pressure oil injection hole and the atomization chamber shell is installed at the lower part of the inner shell; The air and fuel isobaric working tanks of the sensor, the gas delivery valve body and the oil delivery valve body are connected through the gas delivery pipe, the oil delivery pipe and the fuel nozzle; the device has a simple structure, uses various fuels, has wide adaptability, and meets environmental protection requirements.

Description

Boiler hydrocarbon alcohol fuel burner

Technical field

The utility model relates to the boiler series products, is the isobaric interlock transmission ﹠ distribution burner synchronously of a kind of oil applicable to hydrocarbon alcohol fuel, gas.

Background technology

At present, the boiler that with the oil plant is fuel can not use light-hydrocarbon fuel and alcohol-group fuel mainly based on burning diesel oil or kerosene, and the fuel tolerance of this class boiler is reduced, and uses fuel single; Simultaneously, be that the boiler of fuel also must be equipped with auxiliary equipment such as oil pump, blower fan with diesel oil or kerosene, boiler structure complexity, cost height, burning are insufficient be its obviously, outstanding shortcoming, and do not meet environmental requirement.

Summary of the invention

The purpose of this utility model is exactly to adapt to that fuel range is narrow, boiler structure is complicated and to burn technical problem such as insufficient at current existing oil burning boiler, design provides a kind of boiler hydrocarbon alcohol fuel burner, by this burner is fitted on the bodies of heater such as various Industrial Stoves, industry and civil boiler, bath furnace, drinking water boiler, reach adapt to that fuel type is many, sufficient combustion fully, simplify boiler structure, applicability extensively, the purpose of compliance with environmental protection requirements.

Basic design of the present utility model is, boiler hydrocarbon alcohol fuel burner comprises the isobaric work jar of boiler, burner, air and fuel, burner is made of shell body and the inner housing that assembles in it, air duct is located on the shell body, be respectively equipped with main chamber wind distributing hole and precombustion chamber wind distributing hole on the main chamber of inner housing and precombustion chamber cylindrical wall, fuel burner is packed on the precombustion chamber bottom of inner housing.Fuel burner is made of nozzle housing that is processed with forced draught hole and pressure nozzle opening and the spray chamber housing that is packed in nozzle housing top and has a spray chamber.On air and the isobaric jar of working of fuel automatic pressure sensor, gas transmission valve body and oil transportation valve body are housed, tube connector is with air compressor machine and air and the isobaric work of fuel jar inner chamber connection; Flowline integral body is positioned at air and the isobaric work of fuel jar chamber, and upper end and oil transportation valve body are connected.Appendix and petroleum pipeline are connected the forced draught hole of gas transmission valve body and fuel burner and the pressure nozzle opening of oil transportation valve body and fuel burner respectively, so far constitute the utility model.

The utility model has been realized three grades of air distributions in the fuel combustion process (wherein two-stage is the nature air distribution), various fuel such as incendivity diesel oil, kerosene, lighter hydrocarbons and alcohol radical, extensively adapted is essential on the various bodies of heater of flame heat one, have simple in structure, be convenient to make, wide adaptability, sufficient combustion, compliance with environmental protection requirements, flame size can arbitrarily be adjusted, characteristics easy to use.

Description of drawings

Fig. 1 is a boiler hydrocarbon alcohol fuel burner general structure schematic diagram;

Fig. 2 is the burner structure schematic diagram;

Fig. 3 is the oil nozzle structural representation;

Fig. 4 is air and the isobaric work of fuel jar structure schematic diagram.

Piece number explanation among the figure:

1, boiler, 2, burner, 3, appendix, 4, petroleum pipeline, 5, the isobaric work jar of air and fuel, 6, the main chamber wind distributing hole, 7, inner housing, 8, shell body, 9, the eddy current air chamber, 10, main chamber, 11, air duct, 12, precombustion chamber, 13, the precombustion chamber wind distributing hole, 14, fuel burner, 15, the spray chamber housing, 16, spray chamber, 17, the forced draught hole, 18, the nozzle housing, 19, the pressure nozzle opening, 10, the automatic pressure sensor, 21, the gas transmission valve body, 22, the oil transportation valve body, 23, flowline, 24, air compressor machine, 25, tube connector.

The specific embodiment

Below in conjunction with accompanying drawing the utility model optimum implementation is described in detail.Boiler hydrocarbon alcohol fuel burner comprises boiler 1, be fitted in burner 2 in boiler 1 burner hearth, utilize work jar 5, burner 2 of air that petroleum pipeline 4 is communicated with burner 2 and fuel equipressure to be made of the shell body 8 and the inner housing 7 of joining admittedly within it, inner housing 7 bottoms are in the outside, shell body 8 bottoms, form the eddy current air chamber 9 of annular space between the two housings 8 and 7; Air duct 11 is arranged on shell body 8 sidepieces, communicates with eddy current air chamber 9; Inner housing 7 is respectively equipped with main chamber wind distributing hole 6 and precombustion chamber wind distributing hole 13 by superposed main chamber 10 and 12 whole compositions of precombustion chamber that are positioned at the bottom on the cylinder barrel shaped wall of main chamber 10 and precombustion chamber 12; Fuel burner 14 is packed on precombustion chamber 12 bottoms of inner housing 7.Fuel burner 14 is made of nozzle housing 18 that is processed with forced draught hole 17 and pressure nozzle opening 19 and spray chamber housing 15 assemblings that are packed in nozzle housing 18 tops, have a spray chamber 16, and its spray chamber 16 is communicated with forced draught hole 17 and pressure nozzle opening 19.On air and the isobaric work jar 5 of fuel, join automatic pressure sensor 20, gas transmission valve body 21 and oil transportation valve body 22 admittedly; Flowline 23 integral body are positioned at air and the isobaric work jar 5 of fuel, and its upper end is connected with oil transportation valve body 22, and lower end is in work jar 5 bottoms; The two ends of tube connector 25 are fixed in respectively on the isobaric jar 5 of working of air compressor machine 24 and air and fuel, with gas circuit and the air and the isobaric work of the fuel jar 5 inner chambers connection of air compressor machine 24.Between the gas transmission valve body 21 of the nozzle housing 18 of burner 2 and air and the isobaric work of fuel jars 5, be provided with appendix 3, the forced draught hole 17 and the air of nozzle housing 18 is communicated with the isobaric work jar of fuel 5 inner chambers.

When operation is used, fuel is injected in air and the isobaric work jar 5 of fuel, start air compressor machine 24, make compressed air supercharging in tube connector 25 injection work jars 5 chambeies, have the air of pressure and fuel respectively through gas transmission valve body 21, the forced draught hole 17 of fuel burner 14 and flowline 23, oil transportation valve body 22, the pressure nozzle opening 19 of fuel burner 14 enters in the spray chamber 16, finish the pressure air distribution, fire fuel nozzle 14, fuel is in precombustion chamber 12 and main chamber 10 internal combustion, precombustion chamber wind distributing hole 13 and main chamber wind distributing hole 6 are finished the operation of nature air distribution, realize fully burning; Air duct 11 is continuously sent into air in eddy current air chamber 9.The heat heating boiler heat-exchange device of burning.

Claims (4)

1. A boiler hydrocarbon alcohol fuel combustion device, including a boiler (1), a burner (2) installed in the furnace of the boiler (1), air and fuel connected to the burner (2) by means of an oil delivery pipe (4), etc. The pressure working tank (5) is characterized in that the burner (2) is composed of an outer shell (8) and an inner shell (7) fixed inside it, and the lower part of the inner shell (7) is located on the outer shell (8) On the outer side of the lower part, a vortex air chamber (9) in an annular space is formed between the two housings (8) and (7); the air channel (11) is arranged on the side of the outer shell (8) and communicates with the vortex air chamber (9) ; The inner casing (7) is composed of the main combustion chamber (10) at the top and the pre-combustion chamber (12) at the bottom, on the cylindrical wall of the main combustion chamber (10) and the pre-combustion chamber (12) The main combustion chamber air distribution hole (6) and the pre-combustion chamber air distribution hole (13) are respectively provided; the fuel nozzle (14) is fixedly mounted on the bottom of the pre-combustion chamber (12) of the inner casing (7). 2. The boiler hydrocarbon alcohol fuel combustion device according to claim 1, characterized in that the fuel nozzle (14) consists of a nozzle housing (18) processed with pressure ventilation holes (17) and pressure injection holes (19). It is assembled with the atomization chamber casing (15) fixed on the upper part of the nozzle casing (18) and has the atomization chamber (16). The atomization chamber (16) is connected with the pressure vent (17) and the pressure spray The oil hole (19) is connected. 3. The boiler hydrocarbon alcohol fuel combustion device according to claim 1, characterized in that an automatic pressure sensor (20), a gas delivery valve body (21) and an oil delivery valve are fixedly installed on the air and fuel equal pressure working tank (5). The valve body (22); the oil outlet pipe (23) is located in the air and fuel isobaric working tank (5) as a whole, its upper end is connected with the oil delivery valve body (22), and the lower end is at the bottom of the working tank (5); The two ends of connecting pipe (25) are fixedly connected on air compressor (24) and air and fuel isobaric working tank (5) respectively, connect the gas path of air compressor (24) and air and fuel isobaric working tank ( 5) The lumen is connected. 4. The boiler hydrocarbon alcohol fuel combustion device according to claim 1, 2, and 3, characterized in that the nozzle housing (18) of the burner (2) and the delivery tank (5) of the equal pressure of air and fuel An air delivery pipe (3) is provided between the gas valve body (21), and the pressure ventilation hole (17) of the nozzle housing (18) is communicated with the inner cavity of the fuel isobaric working tank (5) with air.

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