CN2322059Y

CN2322059Y - Liquid fuel vaporization stove

Info

Publication number: CN2322059Y
Application number: CN 97250168
Authority: CN
Inventors: 王树珍; 王树廷
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-11-28
Filing date: 1997-11-28
Publication date: 1999-06-02
Anticipated expiration: 2007-11-28

Abstract

The utility model relates to a liquid fuel vaporizing stove which is composed of a stove shell, a U-shaped fuel tank and a vaporizing burner, wherein, the vaporizing burner is composed of an outer and an inner annular cylinders which are provided with a communicating pipe in between, a preheating pipe with both ends communicated with the fuel tank is arranged in the middle of the inner annular cylinder, a perfusion pipe communicated with the fuel tank is arranged on the outer annular cylinder, and the lower part of the outer annular cylinder is provided with a fuel disc; a preheating perfusion pipe communicated with the fuel tank is arranged on the upper part of the fuel disc, and a combustion gas hole is arranged at the lower end on the inner wall of the inner annular cylinder which is sheathed with a combustion gas shielding bowl. The utility model does not need gas injection and pressure increase, and the vaporizing burner is easy to be manufactured and installed, having the advantages of vigorous flame and safety.

Description

Liquid fuel vaporizing burner

The utility model belongs to a kind of stove and accessory, is specially a kind of liquid fuel vaporizing burner.

That sells on the market at present, has a kind of " gasification burner " that uses kerosene, synthetic liquid fuel (the QHL35-8-3 type of " gasification burner " that the fire-resistant kitchen tools stove and accessory in Harbin factory produces and the production of Jinzhou City, Liaoning Province vapour stove factory " kerosene gasification burner).This class " gasification burner " is by a disciform fuel tank and be equipped with above fuel tank that stone or metal plate for standing a stove on as a precaution against fire of fixedlying connected with fuel tank with pole etc. forms, there is a heating tube that is connected with the stone or metal plate for standing a stove on as a precaution against fire bottom stone or metal plate for standing a stove on as a precaution against fire top near the stone or metal plate for standing a stove on as a precaution against fire place, connect a woven hose that stretches to the fuel tank inner bottom part again on the valve that the heating tube front end connects, should " gasification burner " in use must at first gas injection in fuel tank, rely on the pressure that produces in the fuel tank that liquid fuel is pressed into woven hose, again through the flow through bottom of stone or metal plate for standing a stove on as a precaution against fire of heating tube, light the liquid fuel in the stone or metal plate for standing a stove on as a precaution against fire this moment, the flame liquid fuel heat in the heating tube of will flowing through, liquid fuel just is vaporizated into gas.This type of " gasification burner " though simple in structure, necessary gas injection in fuel tank earlier during use makes to keep certain pressure in the fuel tank, and fuel combustion is insufficient, and easy carbon distribution in the heating tube, frequent blockage phenomenon.

Notification number be CN2193499Y's " the dual-purpose stove and accessory of vapour-liquid fuel ", above-mentioned " gasification burner " existing problem is improved, this stove and accessory does not need in fuel tank gas injection to boost in use, can produce pressure automatically in the case, and in use remain certain pressure, fuel combustion is abundant, thermal efficiency height, but the evaporation burner of this stove and accessory is an annulus tube that has interior exocoel, the manufacturing process complexity, and the burner that makes does not sometimes reach requirement, the combustion gas that has been vaporized from trunnion that the annulus tube of evaporation burner is connected on air regulating board and barge board leak out, after combustion gas was lighted, the combustion gas that leaks out is burning thereupon also, not only wasted combustion gas, and be absolutely unsafe again.

The purpose of this utility model provides a kind of liquid fuel vaporizing burner, and this gasification burner does not need gas injection in fuel tank in use, can produce pressure automatically in the fuel tank, very convenient during use, and do not have the leakage of combustion gas, safe and reliable during use, burner structure is comparatively simple, easily makes and installs.

To achieve these goals, the utility model is that the evaporation burner to above-mentioned second kind of stove and accessory (the dual-purpose stove and accessory of vapour-liquid fuel) improves, promptly the interior cover that the tube chamber of evaporation burner is built-in with is divided into the tube chamber in an annulus tube of exocoel and inner chamber, change the independent interior annulus tube and the outer toroid tube that have inner chamber respectively into, the outer toroid tube is a fuel vaporization chamber, interior annulus tube is a fuel chamber, between outer toroid tube and the interior annulus tube by being connected communicating pipe, be equipped with the economizer bank that two ends are connected with fuel tank in the middle of the interior annulus tube, the lower end of the outer tube wall of outer toroid tube is connected with the woven hose that is connected with fuel tank, the bottom of outer toroid tube is equipped with fuel tray, the top of fuel tray is equipped with a preheating woven hose that is connected with fuel tank, be with combustion gas retaining bowl on the interior annulus tube, the lower end of interior annulus tube inner tube wall is equipped with fuel gas hole.

Effect and the advantage that the utlity model has are:

1, this stove and accessory does not in use need in fuel tank gas injection to boost, can produce pressure automatically in the fuel tank, and can be in whole use, remaining certain pressure in the fuel tank, can be constantly to evaporation burner sufficient liquid fuel and enough vaporization are provided automatically combustion gas, fuel gas buring is abundant, thermal efficiency height, pipeline is difficult for stopping up, and carbon distribution is not safe and reliable.

2, the evaporation burner of stove and accessory is simple in structure, is easy to make install.

3, this stove and accessory can be used for burning kerosene, diesel oil, synthesizing methanol fuel, synthetic C5 fuel, can be widely used in not using resident family, the office in the vast town and country of coal gas and liquefaction vapour, the dining room of enterprises and institutions, the restaurant of the catering trade and hostel etc. are applicable to that also the personnel on field work (as geological prospecting, forest operation) and the marine fisherman use.

Below in conjunction with accompanying drawing and with embodiment the utility model is done to be described in detail:

Fig. 1: external form schematic diagram of the present utility model

Fig. 2: fuel tank vertical view of the present utility model

Fig. 3: fuel tank left view of the present utility model

Fig. 4: the vertical view of the utility model fuel tank and evaporation burner assembly

Fig. 5: A-A is to view among Fig. 4

Fig. 6: B-B is to view among Fig. 4

The utility model is made up of furnace shell 1, fuel tank 8, evaporation burner; The prismatoid that furnace shell 1 is manufactured for sheet metal, its upper surface central authorities are equipped with a circular hole, are equipped with a pallet 7 that has leg 6 on the end face; Fuel tank is the casing of one " U " type, is equipped with liquid injection pipe 2 and Pressure gauge 5 on it; Evaporation burner places in the middle of the fuel tank 8, and the assembly of fuel tank 8 and evaporation burner is positioned in the furnace shell 1; It is characterized in that:

The upper and lower of two inboard box body walls of " U " type fuel tank is equipped with being connected tube head 11, connecting tube head 12 and being connected tube head 9, connection tube head 10 of the intracavity inter-connection that has external screw thread and fuel tank 8 respectively, be equipped with on the bottom surface of its front end have external screw thread and fuel tank 8 intracavity inter-connections be connected tube head 13;

Place the evaporation burner of fuel tank 8 centres, be to be equipped with a centre that has an outer toroid tube 14 of inner chamber to have inner chamber, the interior annulus tube 15 that the bottom is opening-like, what be equipped with between outer toroid tube 14 and the interior annulus tube 15 last communicating pipe 16 was connected outer toroid tube 14 and interior annulus tube 15, be equipped with in the middle of the interior annulus tube 15 its two end respectively with fuel tank 8 on be connected tube head 9 and be connected the economizer bank 31 that tube head 12 is connected, the outer tube wall lower end of outer toroid tube 14 connects one and is connected with outer toroid tube 14, its front end connect with fuel tank 8 on the woven hose 17 that is connected the fluid-delivery valve 21 that tube head 10 is connected, the below of outer toroid tube 14 is equipped with a liquid fuel dish 40, the top of fuel tray 40 is equipped with the preheating woven hose 26 that a front end connects fluid-delivery valve 28, fluid-delivery valve 28 connects the connection tube head 13 on the fuel tank 8 front end bottom surfaces again, with be connected fluid-delivery valve 21 that tube head 10 is connected connect again with fuel tank 8 on be connected the pressure regulator valve 25 that tube head 11 is connected, lower end on interior annulus tube 15 inner tube walls is equipped with fuel gas hole 39, be with a combustion gas retaining bowl 37 on the interior annulus tube 15, be formed with the gap of the combustion gas of flowing through between the bottom face of the outer tube wall of combustion gas retaining bowl 37 and interior annulus tube 15.

The economizer bank 31 that is equipped with in the middle of the interior annulus tube 15, one end is connected with the tube head 9 that is connected on the fuel tank 8 by locking cap 33, the other end is connected with the tube head 12 that is connected on the fuel tank 8 by locking cap 32, preheating woven hose 26 is connected with fluid-delivery valve 28 by locking cap 27, fluid-delivery valve 28 is again by tube connector 30, the locking cap 29 of tube connector 30 ends and another locking cap are connected with the tube head 13 that is connected on the fuel tank 8 front end bottom surfaces, pressure regulator valve 25 is by locking cap 24, locking cap 22, tube connector 23 is connected with fluid-delivery valve 21, pressure regulator valve 25 is again by locking cap 34, tube connector 35, locking cap 36 be connected tube head 11 and be connected, the woven hose 17 that is connected with outer toroid tube 14 is connected on the tube connector 23, fluid-delivery valve 21 is by locking cap 20, tube connector 19, locking cap 18 be connected tube head 10 and be connected, be equipped with knob 3 and knob 4 on fluid-delivery valve 21 and the fluid-delivery valve 28 respectively.

The liquid fuel dish 40 that said outer toroid tube 14 belows are equipped with, its two ends have been welded to connect connecting plate 41, with screw connecting plate 41 are fixed on the bottom of furnace shell 1 by the circular hole of connecting plate 41 ends.

Be equipped with the connecting band that is welded to connect 38 that is connected and fixed two annulus tubes in the bottom of outer toroid tube 14 and interior annulus tube 15.

When using this gasification burner, in fuel tank 8, inject liquid fuel by liquid injection pipe 2 earlier, open the fluid-delivery valve knob 4 on the preheating woven hose 26 then, liquid fuel just flows in the fuel tray 40 by preheating woven hose 26, close fluid-delivery valve 4, refire the fuel in the fuel tray 40, flame is with outer toroid tube 14 and economizer bank 31 heating, open knob 3, liquid fuel enters in the inner chamber of outer toroid tube 14 via fluid-delivery valve 21 and woven hose 17, be heated simultaneously, the liquid fuel evaporation that enters outer toroid tube 14 inner chambers becomes gas, combustion gas is the inner chamber of annulus tube 15 in communicating pipe 16 enters again, outwards overflows in the gap that combustion gas forms between the fuel gas hole 39 on the inner tube wall of interior annulus tube 15 lower ends and retaining gas bowl 37 and interior annulus tube 15 outer tube wall bottom faces again, and the combustion gas of effusion is lighted; After entering economizer bank 31, fuel in the fuel tank 8 is heated, pressure in the economizer bank 31 increases, pressure in the fuel tank 8 is also increased, and the pressure in the fuel tank 8 makes liquid fuel continual via in the woven hose 17 inflow outer toroid tubes 14, is vaporized into gas again incessantly.

Gas injection in this gasification burner does not need in fuel tank 8 when using after preheating, just begins to produce pressure in the fuel tank 8, remaining 1.0kg/cm in the fuel tank 8 when normally using ²Pressure, sufficient fuel and vigorous flame can be provided.If fuel tank 8 internal pressures surpass 1.0kg/cm ²,, adjust the pressure in the fuel tank by the pressure regulator valve pressure release.

Claims

1. a liquid fuel vaporizing burner is made up of furnace shell (1), fuel tank (8), evaporation burner; The prismatoid that furnace shell (1) is manufactured for sheet metal, its upper surface central authorities are equipped with a circular hole, are equipped with a pallet (7) that has leg (6) on the end face; Fuel tank (8) is the casing of one " U " type, is equipped with liquid injection pipe (2) and Pressure gauge (5) on it; Evaporation burner places in the middle of the fuel tank (8), and the assembly of fuel tank (8) and evaporation burner is positioned in the furnace shell (1); It is characterized in that:

1), the upper and lower of two inboard box body walls of " U " type fuel tank (8) is equipped with being connected tube head (11), connecting tube head (12) and being connected tube head (9), connection tube head (10) of the intracavity inter-connection that has external screw thread and fuel tank (8) respectively, be equipped with on the bottom surface of its front end have external screw thread and fuel tank (a 8) intracavity inter-connection be connected tube head (13);

2), place the middle evaporation burner of fuel tank (8), be to be equipped with a centre that has an outer toroid tube (14) of inner chamber to have inner chamber, the interior annulus tube (15) that the bottom is opening-like, what be equipped with between outer toroid tube (14) and the interior annulus tube (15) last communicating pipe (16) was connected outer toroid tube (14) and interior annulus tube (15), be equipped with in the middle of the interior annulus tube (15) its two end respectively with fuel tank (8) on be connected tube head (9) and be connected the economizer bank (31) that tube head (12) is connected, the outer tube wall lower end of outer toroid tube (14) connects one and is connected with outer toroid tube (14), its front end connect with fuel tank (8) on the woven hose (17) that is connected the fluid-delivery valve (21) that tube head (10) is connected, the below of outer toroid tube (14) is equipped with a liquid fuel dish (40), the top of fuel tray (40) is equipped with the preheating woven hose (26) that a front end connects fluid-delivery valve (28), fluid-delivery valve (28) connects the connection tube head (13) on fuel tank (8) the front end bottom surface again, with be connected fluid-delivery valve (21) that tube head (10) is connected connect again with fuel tank (8) on be connected the pressure regulator valve (25) that tube head (11) is connected, lower end on interior annulus tube (15) inner tube wall is equipped with fuel gas hole (39), be with a combustion gas retaining bowl (37) on the interior annulus tube (15), be formed with the gap of the combustion gas of flowing through between the outer tube wall bottom face of combustion gas retaining bowl (37) and interior annulus tube (15).

2. liquid fuel vaporizing burner according to claim 1, it is characterized in that: the economizer bank (31) that is equipped with in the middle of the interior annulus tube (15), one end is connected with the tube head (9) that is connected on the fuel tank (8) by locking cap (33), the other end is connected with the tube head (12) that is connected on the fuel tank (8) by locking cap (32), preheating woven hose (26) is connected with fluid-delivery valve (28) by locking cap (27), fluid-delivery valve (28) is again by tube connector (30), the locking cap (29) of tube connector (30) end and another locking cap are connected with the tube head (13) that is connected on fuel tank (8) the front end bottom surface, pressure regulator valve (25) is by locking cap (24), locking cap (22), tube connector (23) is connected with fluid-delivery valve (21), pressure regulator valve (25) is again by locking cap (34), tube connector (35), locking cap (36) be connected tube head (11) and be connected, the woven hose (17) that is connected with outer toroid tube (14) is connected on the tube connector (23), fluid-delivery valve (21) is by locking cap (20), tube connector (19), locking cap (18) be connected tube head (10) and be connected, be equipped with knob (3) and knob (4) on fluid-delivery valve (21) and the fluid-delivery valve (28) respectively.

3. liquid fuel vaporizing burner according to claim 1 and 2, it is characterized in that: the liquid fuel dish (40) that said outer toroid tube (14) below is equipped with, be welded to connect connecting plate (41) on it, with screw connecting plate (41) be fixed on the bottom of furnace shell (1) by the circular hole of connecting plate (41) end.