CN2162600Y - Liquid vapour stove with double ignition device - Google Patents

Abstract

The utility model comprises a fire lid in a main combustion chamber, an igniting needle in the main combustion chamber, a circular cavity in the main combustion chamber, an upstanding vaporizing pipe, a spiral vaporizing pipe, a liquid storing disk in a pre-combusting chamber, a fire lid in the pre-combusting chamber, an igniting needle in the pre-combusting chamber, an ejector, an injecting nozzle, a liquid returning pipe of an air door mouth, a control valve, a heat insulating pad, a flow stopping flap, a flow returning hole in the circular cavity and an air door flap. The utility model has the advantage that the utility model is provided with the igniting needle in the main combustion chamber to lead the main combustion chamber to successfully ignite in time; the fire lid in the pre-combusting chamber to ensure the pre-combusting chamber to ignite successfully; the liquid returning pipe of the air door mouth to lead liquids accumulated in the ejector in the liquid storing disk to prevent the air door mouth from firing; the heat insulating pad is arranged between the bottom part of the liquid storing disk and the furnace frame.

Description

Liquid vapour stove with double ignition device

The utility model belongs to household liquids Fuel Furnace technical field.

The household liquids Fuel Furnace is applicable to the area that lacks solid fuel and gaseous fuel, has cleaning, convenience, pollutes advantages such as little.Liquid fuel furnace has liquid directly to light with vaporizing liquid to light two big classes.The liquid fuel vaporizing burner of prior art comprises precombustion chamber, vaporizer, control valve and main chamber, and for example the CN1057100A(application number 91106743.4) disclosed " secondary vaporization of liquid fuel combustion chamber ".General liquid fuel vaporizing burner is to light a fire at the precombustion chamber holdup pan earlier, with the vaporizing liquid in the vaporizer, when treating that the interior gas concentration of main chamber runs up to a certain degree, by ignite the combustion gas in the main chamber of the flame of precombustion chamber, produce detonation, send bigger sound, inadequately safety, and the liquid fuel that air door oral cavity inner product is deposited does not have reflux, causes that easily the air door place catches fire.

The purpose of this utility model is to provide a kind of have dual ignition means and reflux, makes the main chamber vaporizing liquid stove of reliable ignition in time.

The purpose of this utility model is this realization: adorn a fire lid on the precombustion chamber holdup pan, the liquid and the gas of precombustion chamber all can fully be burnt, liquid in the assurance generating tube is fully vaporized, adorn an igniting pin on the fire hole side of main chamber fire lid, the combustion gas of main chamber is in time lighted, to avoid detonation; The air door place is provided with a liquid back pipe in the injector chamber, and the liquid that accumulates in the air door place is back in the pre-burning dish, avoids the place, air port to catch fire.

Be further described below in conjunction with Fig. 1.The utility model comprises main combustion chamber fire lid 1, main chamber annular chamber 3, upright generating tube 4, spiral generating tube 5, the shroud 6 of vaporizing, precombustion chamber holdup pan 7, precombustion chamber fire lid 8, annular fire hole 9, tiltedly fire hole 10, main chamber fire cover fire hole 11, injector 12, nozzle 13, air door liquid back pipe 14, precombustion-chamber ignition pin 15, control valve 16, heat insulating mattress 17, flow blocking piece 18, annular chamber return port 19, air flap 20.Liquid fuel in the fuel tank is entered in the stove by the import department of upright generating tube 4, and spiral generating tube 5 tops are connected on upright generating tube 4 upper ends, and end is received the import of control valve 16, and vaporization shroud 6 covers on the outside of spiral generating tube 5.The chamber of injector 12 is communicated with main chamber annular chamber 3, the entrance point dress nozzle 13 of injector 12, and the outlet of control valve 16 is connected to nozzle 13, and air flap 20 is contained in injector 12 entrance points outside, regulates the air capacity that enters injector 12.Main chamber fire lid 1 covers on main chamber annular chamber 3, and a circle main chamber fire lid fire hole 11 is arranged on it, and it is other that main chamber igniting pin 2 is positioned at one of them fire hole.Precombustion chamber holdup pan 7 is positioned at next root pipe below of spiral generating tube 5, the cannelure that holdup pan 7 has inside and outside two circles to interconnect, adorn a precombustion chamber fire lid 8 on the inside groove, precombustion chamber fire lid 8 is a hollow, one circle annular fire hole 9 and the oblique fire hole 10 of a row are arranged on the surface, see Fig. 2, tiltedly the gradient of next root pipe is consistent with spiral generating tube 5 haply in the orientation of fire hole 10, the combustion gas of the inside groove of precombustion chamber holdup pan 7 is promptly released by ring property fire hole 9 and oblique fire hole 10, precombustion chamber is lighted smoothly, and precombustion-chamber ignition pin 15 is positioned at the side of the fire hole in bottom of oblique fire hole 10.An annular chamber return port 19 is arranged at the bottom of main chamber annular chamber 3, be connected with the inside groove and the water jacket of precombustion chamber holdup pan 7, a part of combustion gas in the main chamber annular chamber 3 and the liquid of not vaporizing as yet, promptly flow on the precombustion chamber holdup pan 7, keep the burning of precombustion chamber by annular chamber return port 19.It is other that flow blocking piece 18 is contained in annular chamber return port 19, see Fig. 3, the fluid that flows into main chamber annular chamber 3 by injector 12 is played barrier effect, make a part of fluid flow to precombustion chamber holdup pan 7 through annular chamber return port 19, the angle of flow blocking piece 18 and position can be regulated, with the control capacity of returns, the close air door place in injector 12 lower ends, an air door liquid back pipe 14 is arranged, make the liquid of injector 12 inner accumulated flow to precombustion chamber holdup pan 7, avoid catching fire at the air door place through this pipe.Heat insulating mattress 17 is contained between the bottom and grate of precombustion chamber holdup pan 7, and cooking stove is not conducted heat to grate, reduces thermal loss.

With fuel tank pressurization, open the fuel tank valve, combustion liquid promptly enters upright generating tube 4 and spiral generating tube 5.Open control valve in short-term, fuel promptly enters annular chamber and precombustion chamber holdup pan 7 through control valve, igniting simultaneously, light in the precombustion chamber holdup pan 7 and fire liquid, the flame that holdup pan and fire cover is promptly heated to generating tube, make combustion liquid vaporization wherein, slowly open control valve 16 again, combustion gas promptly sprays through the nozzle 13 that valve enters in the injector 12, enters main chamber annular chamber 3, and by the fire hole ejection on the main chamber fire lid 1, after being lighted by main chamber igniting pin 2, oneself keeps burning, damper sheet 20, the size of the air capacity that enters be can change, combustion gas and Air mixing ratio changed.A part of combustion gas in the main chamber annular chamber 3 and liquid flow into precombustion chamber holdup pan 7 through annular chamber return port 19, keep the precombustion chamber burning.

The utility model has the advantages that and light that detonation takes place Shi Buhui and the air door place catches fire, work safety is reliable and stable, and is easy to use, can use multiple combustion liquid, is a kind of Fuel Furnace of household liquids preferably.

An embodiment of the present utility model is as follows: the internal diameter of upright generating tube is 8mm, and high 93mm, the internal diameter of spiral generating tube are 5mm, totally 5 circles; The injector larynx directly is 13mm, and nozzle inside diameter is 1.2mm; The wide 10mm of main chamber annular chamber, dark 50mm, main chamber fire lid external diameter 98mm has 54 fire holes on its surrounding; One circle φ 2mm fire hole is arranged at top; Precombustion chamber holdup pan inside groove average diameter 39mm, water jacket average diameter 52mm, precombustion chamber fire lid external diameter 50mm, there is a loop diameter 2.6mm annular fire hole upper end, and tiltedly fire hole is 5; Heat insulating mattress uses the rubber asbestos plate material; Fuel uses fusel to be equipped with the synthetic liquid fuel that additive is made.

Claims (1)

1, a kind of vaporizing liquid stove, comprise main combustion chamber fire lid 1, main chamber annular chamber 3, upright generating tube 4, spiral generating tube 5, vaporization shroud 6, precombustion chamber holdup pan 7, nozzle 13, precombustion-chamber ignition pin 15, control valve 16, air flap 20, annular chamber return port 19, it is characterized in that also having main chamber igniting pin 2, precombustion chamber fire lid 8, air door liquid back pipe 14, heat insulating mattress 17, flow blocking piece 18; Liquid fuel enters from upright generating tube 4 import departments, and spiral generating tube 5 tops are connected on upright generating tube 4 upper ends, and end is received the import of control valve 16; The chamber of injector 12 is communicated with main chamber annular chamber 3, and nozzle 13 is contained in the entrance point of injector 12, and the outlet of control valve 16 is connected to nozzle 13, and air flap 20 is contained in the outside of injector 12 entrance points; Main chamber fire lid 1 is contained in above the main chamber annular chamber 3, one circle main chamber fire lid fire hole 11 is arranged on it, it is other that main chamber igniting pin 2 is positioned at one of them fire hole, precombustion chamber holdup pan 7 is positioned at spiral generating tube 5 below of next root pipe, in holdup pan has, the cannelure that outer two circles are interconnected, adorn a precombustion chamber fire lid 8 on the inside groove, precombustion chamber fire lid 8 is a hollow, one circle annular fire hole 9 and the oblique fire hole 10 of a row are arranged on the surface, tiltedly the gradient of next root pipe is consistent with spiral generating tube 5 haply in the orientation of fire hole 10, it is other that precombustion-chamber ignition pin 15 is positioned at oblique fire hole 10 the most next holes, and the combustion gas of precombustion chamber holdup pan 7 inside grooves is promptly released by annular fire hole 9 and oblique fire hole 10 and lighted; An annular chamber return port 19 is arranged at the bottom of main chamber annular chamber 3, communicate with the inside groove and the water jacket of precombustion chamber holdup pan 7, it is other that flow blocking piece 18 is contained in annular chamber return port 19, make a part of fluid flow to precombustion chamber holdup pan 7 through annular chamber return port 19, the angle of flow blocking piece 18 and position all can be regulated with the control capacity of returns; Air door liquid back pipe 14 is contained in injector 12 lower ends near the air door place, and the liquid that accumulates in the injector 12 is guided to precombustion chamber holdup pan 7; Heat insulating mattress 17 is contained between the bottom and grate of precombustion chamber holdup pan 7.

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