CN2789620Y - Domestic gas back firing stove - Google Patents

Abstract

The utility model relates to a domestic gas back firing stove, which is characterized in that an outer shell 1 and a furnace pipe 3 are both of hollow interlayer structures communicated via a pipe 4. A chimney 6 is provided with an interlayer water jacket 5 which covers up the chimney and is provided with a water outlet 7 and a water inlet 8. A bottom plate 9 is provided with a group of air holes 9a communicated with an annular cavity between the outer shell and the furnace pipe. A cavity 10a arranged in a base 10 is communicated with the air holes 9a, 9b, 9c to ultimately communicate the chimney. Fuel in the furnace pipe of the utility model directly heats up water in the water jacket of the furnace pipe, so waste heat goes into the chimney from the annular cavity between the furnace pipe and the outer shell, the air holes on the bottom plate and the cavity on the base, which enlarges a heating area and raises burning heat efficiency. The utility model used in families can drive five groups of radiators 1 m long, can reach room temperature in 30 minutes in winter and can be conveniently used for heating water and cooking.

Description

The household fuel gas stove

Technical field: the utility model relates to a kind of heating plant, particularly a kind of domestic briquet stove of strap clamp layer water jacket.

Background technology:

Along with worldwide energy crisis, people pay attention to the development and use to coal more, and especially in the northern area of China, coal stove for heating remains main stream approach.The basic structure of coal stove is that skin adds shell, filled heat insulating material between shell and the flue on refractory furnace installation and the base.This common coal stove thermal efficiency is quite low, uses also inconvenient.In order to address the above problem, the domestic briquet stove that stove outer covering has intercalated water sleeve has appearred this year, and it has improved the utilization rate of coal calorific value on the one hand, and the hot water in the intercalated water sleeve provides a convenient on the other hand.But this coal stove has not still been given play to maximal efficiency, and as not driving room heater equipment, the thermal efficiency also has the space of further improving.Extensively retrieve at the problems referred to above, still find no solution related to the present invention.

Summary of the invention:

The purpose of this utility model is exactly a kind of household fuel gas stove that can drive room heater equipment efficiently that designs in order to solve the above-mentioned defective that exists in the prior art.

To achieve these goals, the utility model has adopted following technical scheme:

A kind of household fuel gas stove, it is by shell, loam cake, flue and base are formed, loam cake is connected with shell, shell, the bottom of flue is coupled on the base, it is characterized in that described shell, flue is the hollow sandwich structure, be provided with the interlayer cavity connection of communicating pipe between shell and flue with them, form toroidal cavity between flue and the shell, in order further to improve the thermal efficiency, one chimney can be set on body of heater, the chimney periphery is provided with the hollow sandwich water jacket chimney is encased, on the water jacket, the lower end is respectively equipped with delivery port and water inlet, toroidal cavity and base cavity pocket are communicated with between one group of pore and shell and flue being provided with on the base plate of base, and chimney is communicated with base cavity pocket.

Because the utility model has adopted the hollow water jacket shell of hollow water jacket flue and connection, water in the fuel directly-fired kiln courage water jacket in the flue, waste heat is from the toroidal cavity of flue and shell, one group of pore on the base plate, base cavity pocket enters chimney, coal gas returns burning from top to down, so called after stove, it has increased heating surface area, made full use of the temperature of gas gradient, the thermal efficiency of fuel is compared other coal stove large increase, flue, shell and chimney water sleeve all are communicated with, make the water in the interlayer from high temperature to low temperature, form thermodynamic cycle, general home-use 5 groups of the 1 meter long radiators that drive, can reach room temperature 30 minutes winters, and heat up water cook all very convenient.

For the utility model is described in further detail, following accompanying drawing provides a most preferred embodiment of the present utility model.

Description of drawings:

Fig. 1 is a front view of the present utility model;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the vertical view of Fig. 1.

The specific embodiment:

As shown in Figure 1, structure of the present utility model is on the shell 1 and base plate 9 that taper flue 3 is installed on base 10 of band hollow sandwich of corrosion resistant plate weldering system, the upper end of shell 1 is connected with loam cake 2, is provided with communicating pipe 4 between flue 3 and the shell 1,4a is communicated with their hollow cavities.The intercalated water sleeve 5 that also connects hollow on the base plate 9, its top are provided with delivery port 7, the bottom is provided with water inlet 8, are provided with chimney 6 in the water jacket, and its lower end is communicated with through hole 9c on the base plate 9.Be provided with communicating pipe 5a between water jacket 5 and the shell 1, shell is communicated with water jacket, work the effect of being connected and fixed simultaneously, as shown in Figure 1 and Figure 2.In base 10, be provided with cavity 10a and be communicated with passage 9a, 9b, 9c, one group of pore 9a, 9b then with shell and flue between toroidal cavity be communicated with, passage reduces from 9a to 9b gradually, purpose is to allow the coal gas by base plate be heated evenly, as shown in Figure 3.Also be provided with stored ash box 11 and ash removing opening 12 in the base 10 of the present utility model, the water jacket of shell 1 is provided with safety valve 1a, and these all are conventional structures.

Claims (1)

1, a kind of household fuel gas stove, it is by shell, loam cake, flue and base are formed, loam cake is connected with shell, shell, flue is coupled on the base, it is characterized in that described shell, flue is the hollow sandwich structure, be provided with the interlayer cavity connection of communicating pipe between shell and flue with them, form toroidal cavity between flue and the shell, on body of heater, be provided with chimney, chimney is provided with the hollow sandwich water jacket that is communicated with shell, on the water jacket, the lower end is respectively equipped with delivery port and water inlet, and toroidal cavity and base cavity pocket are communicated with between one group of pore and shell and flue being provided with on the base plate of base, and chimney is communicated with base cavity pocket.

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