CN2211001Y

CN2211001Y - Combustor for liquid-fuel boiler

Info

Publication number: CN2211001Y
Application number: CN 94241071
Authority: CN
Inventors: 张国亮; 孟祥斌; 袁家海
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-08-02
Filing date: 1994-08-02
Publication date: 1995-10-25
Anticipated expiration: 2004-08-02

Abstract

The utility model relates to a combustor for a liquid-fuel boiler, which is composed of a burner head of a stove, an ignitor, an atomizer, an electromagnetic valve for preventing oil return, an air pump, a liquid-storage cylinder, and a circuit control board. The device is especially suitable for existent various dwarf boilers and water boilers which are both of vertical types, as well as for the synthesis gas of the liquid fuel above coal gas, such as C 5, etc. The utility model has the advantages that the combustion is complete, stable, and safe, and therefore, the smoke and the slag in a city are reduced, which is beneficial to the environmental protection.

Description

Combustor for liquid-fuel boiler

The utility model belongs to the boiler combustion equipment field, particularly be to utilize liquid fuel to existing various boilers, the liquid fuel fired boiler burner of especially medium and small drinking water boiler special use.

Mostly the burner of existing boiler is to do with coal the boiler of fuel, and particularly small-sized boiler, drinking water boiler all are that coal is made fuel, and the thermal efficiency is low, and coal consumption is big, and the transportation difficulty is seriously polluted.

The purpose of this utility model provide a kind of be applicable to liquid fuel combustion fully, stable, safety, no solid emission, be particularly useful for the burner of medium small boiler, drinking water boiler.

The purpose of this utility model is realized by following design, the liquid fuel fired boiler burner is by burner head, igniter, fluid reservoir, circuit control panel and oil pipe, electric wire is formed, fluid reservoir can be the liquid fuel holder of various capacity, this container top is provided with the inlet of with closure, also being provided with a pipeline in addition is connected with compression pump, the fluid reservoir bottom is provided with petroleum pipeline and is connected with the atomizer oil connection, also is provided with a throttle adjustment valve and an anti-oil return solenoid valve on petroleum pipeline; Also be provided with a powerful blower fan in this burner, this blower fan send soft pipe connection by a pipeline and a wind that has the air door control valve, and the other end of flexible pipe is communicated with the spray bar of atomizer, and the other end of spray bar is communicated with the burner head; Atomizer is made up of oil storage cover, oil storage tank, connector of oil pipes of oil, several oil seepage holes and spray bar, the oil storage collar of atomizer takes up and thickly snaps onto the spray bar outside, the cavity that forms between oil storage cover inwall and the spray bar outer wall is an oil storage tank, one week of ring spray oil-pipe external wall be provided with several oil seepage holes in the oil storage tank, penetrate in the pipe of spray bar, on the spray bar between atomizer and the burner head, also be provided with the spark head of a high-pressure electronic igniter; Blower fan, compression pump, anti-oil return solenoid valve are electrically connected by the power switch on electric wire and the circuit control panel respectively; The high-pressure electronic igniter is made up of spark head and high-pressure electronic circuit and electronic switch, and the spark head of igniter is electrically connected by electric wire and the high-voltage pulse circuit that is installed on the circuit control panel.

The burner head of above-mentioned boiler-burner is to be connected to form by burner shell, air admission hole, banking fire lid and pipeline, several air admission holes are located on the projection at burner shell center, banking fire is covered on the last plane that is located between burner shell inwall and the central protuberance, and the pipeline terminal pad is located on the pipeline that is communicated with out by the burner shell.

Above-mentioned boiler-burner air door control valve is made up of air door, throttle lever, handwheel, and handwheel can be used for the size of damper control valve; Foregoing throttle adjustment valve is provided with a handwheel, the size that is used for regulating the throttle adjustment valve.

Above-mentioned boiler-burner burner subfacies is equipped with support; Also be provided with support below the blower fan.

The utility model is used in and utilizes liquid fuel, especially the liquid fuel beyond the piped gas, burner as synthetic liquid fuels such as C5, this has not only opened up the utilization of refinery flares, and the atmosphere pollution that has solved coal-burning boiler and drinking water boiler in the city, also for replacing coal to make the Gospel of fuel with liquid gas on train, steamer, the island, alleviated labour intensity and transportation difficulty, the utmost point has promotional value.

Accompanying drawing 1 is a liquid fuel fired boiler burner cross-sectional view;

Accompanying drawing 2 is a burner head plan structure schematic diagram;

Accompanying drawing 3 is the atomizer structure schematic diagram.

Illustrate: 1 is body of heater, and 2 is the high-voltage pulse igniter, and 2.1 is the trigger spark head; 2.2 be the igniter electronic circuit, 2.3 is electronic switch, 3 is the burner head bracket; 4 is the burner head, and 4.1 is air admission hole, and 4.2 are the banking fire lid; 4.3 be terminal pad, 4.4 is the burner shell, 5 is the atomizer spray bar; 6 is atomizer, and 6.1 are the oil storage cover, and 6.2 is oil storage tank; 6.3 be connector of oil pipes of oil, 6.4 is oil seepage hole, 7 send flexible pipe for wind; 8 is the air door control valve, and 8.1 is air door, and 8.2 is throttle lever; 8.3 be handwheel, 9 is fan supporter, 10 is blower fan; 11 is pipeline; 12 is air pump, and 13 is fluid reservoir, and 14 is power switch; 15 is earth leakage protective device; 16 is voltmeter, and 17 is indicator lamp, 18; 18.1; 18.2; 18.3 be electric wire.19 are anti-oil return solenoid valve, and 20 is the throttle adjustment valve, and 20,1 is the control valve handwheel, and 21 is petroleum pipeline, and 22 is circuit control panel.

This utility model burner mainly is used in the burning of C5 liquefied gas, this liquid need not big pressure, corrosivity is also little, there is not specific condition so manufacture the requirement of material and technology, such as burner head part cylinder iron, fluid reservoir can get final product with general Plate Welding, the general steel pipe of oil pipe, flexible pipe gets final product with the good plastic tube of intensity, connected mode does not have specific (special) requirements yet, is connected with spray bar with welding such as atomizer oil storage cover to get final product, and flexible pipe is connected with hard tube, can with closely being flexibly connected, get final product as pegging graft. Circuit gets final product with the flatiron welding, does not have big difficulty so burner is manufactured, and earth leakage protective device (15) plays the security insurance effect.

Embodiment is as follows with reference to description of drawings:

Booster air pump (12) produces Compressed Gas and gives certain pressure by pipeline (11) to the interior liquid level of fluid reservoir (13), open throttle adjustment valve (20) by handwheel (20,1), make the interior liquid fuel of fluid reservoir (13) flow into atomizer (6) by petroleum pipeline (21), start blower fan (10) simultaneously, open air door control valve (8) by handwheel (8.3), the forced draft that blower fan (10) is produced enters spray bar (5) along flexible pipe (7); Liquid fuel enters drop in the spray bar (5) by atomizer oil seepage hole (6.3), atomizing under air blast (11) high velocity air promotes, connect high-voltage pulse igniter (2) simultaneously, make spark head (2.1) at the inner spark that produces of spray bar (5), cause that atomization of liquid air-flow catches fire, in burner head (4) internal combustion, as the burning burning things which may cause a fire disaster in the heating boiler body of heater (1).

Claims

1, a kind of liquid fuel fired boiler burner is by burner head, igniter, and fluid reservoir, circuit control panel and oil pipe, electric wire are formed, and it is characterized in that:

1. fluid reservoir (13) top is communicated with compression pump (12) through pipeline (11); Fluid reservoir (13) bottom is communicated with the oil connection (6.3) of atomizer by petroleum pipeline (21), also is provided with throttle adjustment valve (20) and anti-oil return solenoid valve (19) on petroleum pipeline (21);

2. blower fan (10) send flexible pipe (7) to be communicated with by the pipeline that has air door control valve (8) with wind, and the other end of flexible pipe (7) is communicated with the spray bar (5) of atomizer, and the other end of spray bar (5) is communicated with burner head (4);

3. atomizer (6) is made up of oil storage cover (6.1), oil storage tank (6.2), connector of oil pipes of oil (6.3), oil seepage hole (6.4) and spray bar (5); Atomizer oil storage cover (6.1) is around closely buckleing the outside of knot in spray bar (5), the cavity that oil storage cover (6.1) inwall and spray bar (5) form is oil storage tank (6.2), and the interior tube wall along spray bar (5) of oil storage tank (6.2) is provided with several oil seepage holes (6.4) on every side and penetrates in the spray bar (5); On the spray bar between atomizer (6) and the burner head (4), also be provided with a trigger spark head (2,1);

4. blower fan (10), compression pump (12), anti-oil return solenoid valve (19) are respectively by power switch (14) electrical coupling on electric wire (18.3), (18.2), (18.1) and the circuit control panel (22); Trigger spark head (2.1) is by high-voltage pulse circuit (2.2) electrical coupling on electric wire (18) and the circuit control panel (22), and switch (2.3) is the electric switch (14) of high-tension circuit.

2, liquid fuel fired boiler burner according to claim 1, it is characterized in that burner head (4) covers (4.2) by burner shell (4.4), air admission hole (4.1), banking fire and terminal pad (4.3) is formed, air admission hole (4.1) is located on the projection at burner shell (4.4) center, banking fire lid (4.2) be located at burner shell (4.4) inwall with its in the middle of between the projection, terminal pad (4.3) is located on the pipeline that come out by burner shell (4.4) connection.

3, liquid fuel fired boiler burner according to claim 1 is characterized in that air door control valve (8) is made up of air door (8.1), throttle lever (8.2), handwheel (8.3), and throttle adjustment valve (20) is provided with handwheel (20.1).

4, liquid fuel fired boiler burner according to claim 1 is characterized in that being provided with support (3) below the burner head (4); Be provided with support (9) below the blower fan (10).