CN2335058Y

CN2335058Y - Mixed liquid fuel stove

Info

Publication number: CN2335058Y
Application number: CN 98215532
Authority: CN
Inventors: 宋成满
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-06-08
Filing date: 1998-06-08
Publication date: 1999-08-25
Anticipated expiration: 2008-06-08

Abstract

The utility model relates to a mixed liquid fuel stove comprising a burner, a fuel tank, a vaporizing tube, an inflating cylinder, a pressure indicator, a controlling valve and a gas-storing chamber. The inner part of the controlling valve is provided with a gas-liquid fuel channel. The utility model uses manual operation to inflate and pressurize, the use is safe, and the operation is convenient. The liquid fuel discharged through the controlling valve is heated and vaporized in the vaporizing tube to form the gas fuel, and sent into the burner through the gas-storing chamber and the gas channel of the controlling valve. The combustion is stable without noise, the temperature of the controlling valve is reduced when the liquid fuel passes through the controlling valve, and the sealing property of the valve is ensured.

Description

The mixed fluid fuel stove

The utility model relates to a kind of alcohol liquid fuel stove.

Present existing alcohol liquid fuel stove adopts the self-pressing type design mostly, being about to fuel tank is connected with the pressure build-up vaporized pipe that is positioned at burner hearth, after making its vaporized expanding produce pressure, liquid fuel in the heating pressure build-up vaporized pipe sends fuel tank again back to, so that the normal pressure liquid fuel furnace is realized the automatic supply of fuel.The deficiency of this self-pressing type liquid fuel furnace is: 1, the pressure transient of automatic voltage supply generation; When 2, fuel tank liquid reduces the space increase, the overlong time that supercharging is required, even do not reach the purpose of supercharging; 3, the too small meeting of pressure causes the liquid undersupply, and Fuel Furnace can not normal combustion; 4, return fuel tank behind the liquid fuel evaporation and can cause casing overheated, use safety inadequately for a long time.

It is a kind of safe and reliable that the purpose of this utility model is to provide, combustion stablized mixed fluid fuel stove.

The purpose of this utility model is achieved in that the mixed fluid fuel stove comprises burner, fuel tank, generating tube, inflator pump, control valve, gas dome, and its special character is that described control valve is to be made of the valve body that has five interfaces, the spool that is positioned at valve body, the valve rod that is positioned at spool and valve handle.Spool one end that is threaded with valve body is provided with the seal that the valve body that will lead to generating tube goes out liquid interface A sealing, the other end and valve handle flexibly connect, have the eccentric annular groove that two interfaces can be communicated with or seal on spool perisporium and valve body intake interface D and the corresponding position of interface E of giving vent to anger, constitute the gas passage of control valve thus.The spool chamber wall is provided with three radial direction through hole I, II, III that liquid interface A, B and feed liquor interface C are connected that go out of leading to generating tube and preheating dish respectively with valve body, be positioned at the valve rod of spool cavity, its inside is provided with liquid fuel passage, the inlet of passage communicates with radial direction through hole III on the spool, the liquid outlet of passage is connected with radial direction through hole I on the spool, constitutes the fluid passage of control valve thus.The outside of valve rod be diameter inequality be stepped cylinder, valve rod one end is provided with back-moving spring, it is relative with valve handle that the other end passes the sealing ring gland, the valve rod side face that makes valve rod remain on enlarged diameter section by back-moving spring and sealing ring gland seals the radial direction through hole II on the spool, form between the valve rod side face of reduced diameter section and the spool inwall annular liquid storage cylinder and with position that radial direction through hole III on the spool communicates on, the valve rod displacement, promptly compress spring, liquid storage cylinder is communicated with the radial direction through hole II, and intracavity liquid fuel goes out liquid interface through radial direction through hole II and valve body and enters in the preheating dish.

Mixed fluid fuel is changed into gaseous fuel supplied burner burnt fuel stove, its fuel tank is provided with inflator pump and pressure indicator, control valve feed liquor interface C is connected with fuel tank, control valve goes out liquid interface A and is connected with generating tube one end that is positioned at the empty thorax of burner central authorities, the generating tube other end is connected with the intake interface D of control valve through gas dome, the interface E that gives vent to anger of control valve is connected with the inlet of burner, and going out of open and close is connected with the woven hose that leads to the preheating dish on the liquid interface B by the control of control valve valve rod.

The spool perisporium has the annular groove of groove width greater than its aperture in the upper edge, position of spool radial direction through hole II.

The spool perisporium has the annular groove of groove width greater than its aperture in the upper edge, position of spool radial direction through hole III.

The utility model compared with prior art has following characteristics: manually inflation pressurization is adopted in the supply of its fuel, and the fuel input fuel tank after not needing heating boosted has guaranteed the safety of using.Only need once pressurization before using, easy to operate.Mixed fluid fuel heats vaporization and forms gaseous fuel in generating tube, again through gas dome, it is interior to form stable gas flow that the gas passage of control valve is sent into burner, guarantees that burner combustion is stable, noiselessness.The liquid fuel of sending through the fluid passage of control valve inside can reduce the control valve temperature, and the long-time use of Fuel Furnace can not cause valve body overheated and influence sealing property.

Fig. 1 is a structural representation of the present utility model;

The vertical view that Fig. 2 shows for Fig. 1 partial cutaway;

Fig. 3 is the structural representation of the utility model control valve;

Fig. 4 is that the A of Fig. 3 is to view.

Be described in further detail below in conjunction with accompanying drawing:

As shown in Figure 1 and Figure 2, liquid fuel furnace can be provided with one or two burner, and present embodiment is the single-unit furnace that has a burner.Fuel tank (1) is arranged on the below of burner (2), which is provided with the housing (3) of Fuel Furnace, be provided with support (4) above the housing, also be provided with pressure indicator (5) and inflator pump (6) on the fuel tank, the casing opening that pressure indicator is set can be used as the inlet that adds of liquid fuel, be separated with the annular gas dome (7) of mutual sealing between being fixed in the marmon clamp wall burner in the housing, be provided with spirality generating tube (8) in the empty thorax of burner central authorities, the burner inner wall below is used to heat generating tube along circumferentially being distributed with heating spray orifice (9).The burner upper surface is distributed with burning spray orifice (10), and burner below and the position relative with empty thorax generating tube are provided with preheating dish (11).Control valve (13) one ends that have igniter (12) are in housing stretches to housing, the feed liquor interface C of control valve is connected with the fuel tank supply opening, one goes out liquid interface B links to each other with woven hose (14) one ends, and the woven hose other end is positioned on the preheating dish, for it provides liquid fuel.Another of control valve goes out liquid interface A and is connected with an end of spiral generating tube (8), and the other end of generating tube is connected with the air inlet of gas dome (36).The gas outlet of gas dome (37) is connected with the intake interface D of control valve, and the interface E that gives vent to anger of control valve is connected with burner inlet (15).But the burner inlet place is provided with air register (16).

As shown in Figure 3, Figure 4, control valve mainly is to be made of the valve body that has five interfaces (17), spool (18) and valve rod (19) and valve handle (20).Be connected with valve gap (21) on one end opening of cylinder shape valve (17), the other end be provided be connected with generating tube go out liquid interface A, perisporium is provided with four interfaces, they are respectively the feed liquor interface C that is connected with fuel tank, the interface E that gives vent to anger that goes out liquid interface B, the intake interface D that is connected with the gas dome gas outlet, is connected with burner that leads to the preheating dish, and wherein intake interface should be on the same cross section of valve body with the center line of the interface of giving vent to anger.Be positioned at the spool (18) of valve body, the one end is provided with sealing ring (22), the other end and an end pass valve gap and stretch into the interior valve handle (20) of spool cavity and flexibly connect, and promptly by the alignment pin (23) that passes symmetrically arranged axial limiting groove of spool and valve handle both are flexibly connected.The valve handle other end is connected with knob (24).Have the radial direction through hole I on the spool cavity wall by the sealing pommel, this hole is connected the liquid storage space (25) that spool cavity and taper periphery wall by valve body internal perisporium and spool end constitute.Going out on the relative spool of liquid interface B to have the radial direction through hole II with valve body, on the spool relative, having the radial direction through hole III with valve body feed liquor interface.Its perisporium has annular groove (26), (27) in the spool upper edge at these two radial direction through hole places, the width of groove is greater than the diameter of through hole, this groove the liquid inlet and outlet interface dislocation on the radial direction through hole on the spool and the valve body that is oppositely arranged respectively is set in the time of can guaranteeing the spool swing offset time still can be in connected state.The both sides of annular groove are provided with sealing ring (28).It circumferentially has eccentric annular groove (29) the spool wall upper edge relative with the interface E that gives vent to anger with valve body intake interface D, and the width of its groove should be greater than the diameter of interface.Eccentric annular groove is when control valve is in closed condition, and it closes intake interface.When control valve was in open mode, eccentric annular groove then was connected intake interface with the interface of giving vent to anger.The spool perisporium of these groove both sides is provided with sealing ring (28).Be positioned at the valve rod of spool cavity, the inlet of its interior fluid passage (30) communicates with the radial direction through hole III of spool, liquid outlet is connected with the radial direction through hole I of spool, the valve rod outside is a diameter cylinder inequality, the valve rod side face of enlarged diameter section is relative with spool radial direction through hole I, form annular liquid storage cylinder (31) between the valve rod side face of reduced diameter section and the spool inwall, this chamber communicates with spool radial direction through hole III.Valve rod one end is provided with back-moving spring (32), and it is relative with valve handle that the other end passes the sealing ring gland (33) that is threaded with spool.Back-moving spring and gland play a part to reset and are spacing.Be respectively equipped with the sealing ring (34) that each section sealed relatively on the periphery wall of valve rod, between gland and valve handle, also be provided with the back-moving spring (35) of valve handle.

During use, at first in fuel tank, inflate pressurization, make the case internal pressure reach 0.6 * 10 with inflator pump ⁵Pa, the radial direction through hole III of liquid fuel on valve body feed liquor interface, spool in the fuel tank enters the liquid storage space that is formed by spool and valve rod, the while liquid fuel also on valve rod the radial direction through hole I of the cavity of fluid passage, spool end and spool end enter in the liquid storage space that forms by valve interior wall and valve rod.Press turn-knob, valve handle promotes valve rod displacement forward, and the liquid storage cylinder that formed by spool and valve rod this moment is connected with the spool radial direction through hole II of leading to the preheating dish, make liquid fuel through lead to the preheating dish go out liquid interface B, woven hose enters in the preheating dish.When pressing turn-knob, the contactor that also will be located at the electronic lighter on the valve gap is connected, and igniter is lighted the liquid fuel in the preheating dish, and preheating is unclamped turn-knob after making an inventory and firing, and under spring action, valve rod and valve handle reset.Be rotated counterclockwise turn-knob, being rotated counterclockwise the liquid interface A that goes out that will lead to generating tube at the drive bottom spool of valve handle opens, liquid fuel in the fuel tank constantly enters in the generating tube, this moment, eccentric annular groove was connected the valve body intake interface D and the interface E that gives vent to anger, flame heat generating tube in the preheating dish, make the liquid fuel heat vaporization in the generating tube, the gaseous fuel that the vaporization back forms enters gas dome, send into burner via appendix, control valve gas passage again, and by the gas of preheating dish flame ignition burner spray orifice.The liquid fuel that the flame that sprays from burner inner wall below heating spray orifice will continue in the heating generating tube makes it form gaseous fuel.

Claims

1, a kind of mixed fluid fuel stove, comprise burner, fuel tank, generating tube, inflator pump, control valve, gas dome, it is characterized in that described control valve is by the valve body that has five interfaces, be positioned at the spool of valve body, the valve rod and the valve handle that are positioned at spool constitute, spool one end that is threaded with valve body is provided with the seal that the valve body that will lead to generating tube goes out liquid interface A sealing, the other end and valve handle flexibly connect, have the eccentric annular groove that two interfaces can be communicated with or seal on spool perisporium and valve body intake interface D and the corresponding position of interface E of giving vent to anger, constitute the gas passage of control valve thus, the spool chamber wall is provided with three and goes out liquid interface A with valve body leads to generating tube and preheating dish respectively, the radial direction through hole I that B and feed liquor interface C are connected, II, III, be positioned at the valve rod of spool cavity, its inside is provided with liquid fuel passage, the inlet of passage communicates with radial direction through hole III on the spool, the liquid outlet of passage is connected with radial direction through hole I on the spool, constitute the fluid passage of control valve thus, the outside of valve rod be diameter inequality be stepped cylinder, valve rod one end is provided with back-moving spring, it is relative with valve handle that the other end passes the sealing ring gland, the valve rod side face that makes valve rod remain on enlarged diameter section by back-moving spring and sealing ring gland seals the radial direction through hole II on the spool, form between the valve rod side face of reduced diameter section and the spool inwall annular liquid storage cylinder and with position that radial direction through hole III on the spool communicates on, valve rod displacement, liquid storage cylinder then are connected with the radial direction through hole II.

2, mixed fluid fuel stove according to claim 1, it is characterized in that fuel tank is provided with inflator pump and pressure indicator, control valve feed liquor interface C is connected with fuel tank, control valve goes out liquid interface A and is connected with generating tube one end that is positioned at the empty thorax of burner central authorities, the generating tube other end is connected with the intake interface D of control valve through gas dome, the interface E that gives vent to anger of control valve is connected with the inlet of burner, is gone out to be connected with the woven hose that leads to the preheating dish on the liquid interface B by what the control of control valve valve rod was opened and closed.

3, mixed fluid fuel stove according to claim 1 is characterized in that having the annular groove of groove width greater than its aperture at the upper edge, position of spool radial direction through hole II spool perisporium.

4, mixed fluid fuel stove according to claim 1 is characterized in that having the annular groove of groove width greater than its aperture at the upper edge, position of spool radial direction through hole III spool perisporium.