CN2326898Y - Efficient energy-saving refraction boiler - Google Patents

Abstract

The utility model discloses a high-efficiency energy-saving refraction boiler, which is characterized in that a DC plate of a water interlayer which can form an S-shaped fume channel is arranged in a firework box; the shape of the fume channel is firstly arranged upwards, then downwards, and then upwards again; the water interlayer of the utility model is communicated with a water jacket of a boiler outer casing. When the utility model is used, the fume in the boiler can be broken down after the fume rises from a boiler hearth to a certain height, and then the fume rises again for being exhausted through a chimney. During the circulation process, the fume is in contact with the water jacket. Thus the heating area can be enlarged, the energy conversion time can also be lengthened, the energy is utilized fully, and the coal consumption amount of the boiler is necessarily reduced, and therefore, the utility model has the advantages of the long fume channel, the large heating area, high thermal efficiency, and coal saving.

Description

Energy-efficient refraction boiler

The utility model belongs to a kind of boiler, is specifically related to a kind of refraction type boiler.

At present, commercially available boiler mainly is made up of stove outer covering, burner hearth, fire grate, water inlet pipe, outlet pipe etc., the resulting high-temperature flue gas stream of coal combustion rises to the upper end through water bag in the middle of the external jacket and heat pipe, discharge through the chimney that is located at the boiler upper end again, its weak point is: high-temperature flue gas stream is too short through the time of water bag and heat pipe, so become the time of water temperature also just too short the pyrolytic conversion of high-temperature flue gas stream, energy is not fully utilized, coal consumption is bigger, and thermal efficiency utilization is too low.

The purpose of this utility model is intended to overcome above-mentioned shortcoming, and the energy-efficient refraction boiler that a kind of exhaust gases passes is long, heating surface area is big, the thermal efficiency is high, economize on coal is provided.

For achieving the above object, the utility model adopts following solution: comprise stove outer covering, throat, pyrotechnics case, burner hearth, fire grate, water inlet pipe, outlet pipe, stove outer covering is made of water leg, water inlet pipe is located at the bottom of stove outer covering, outlet pipe is located at the top of stove outer covering, it is characterized in that: the water interlayer direct current plate of the S type exhaust gases passes that gets on again under the back on forming earlier is set in the pyrotechnics case, and its water interlayer communicates with the water leg of stove outer covering.

Above-mentioned energy-efficient refraction boiler, it is characterized in that: described boiler is a vertical boiler, the water interlayer direct current plate that is provided with in its pyrotechnics case is inside and outside two water jackets, all is provided with certain intervals between inner water sleeve and outer water jacket, outer water jacket and the stove outer covering water jacket, is used as the passage of flue gas; The lower end of inner water sleeve is taper, closely be connected on the stove outer covering, and its lower end is provided with heat pipe and communicates with stove outer covering, is provided with the interval of making exhaust gases passes between the lower end of outer water jacket and the lower end of inner water sleeve, is communicated with by heat pipe between them; Outer water jacket upper end is connected with the stifled wall with flues that communicates with it, stifled wall with flues is the water leg structure, be installed on the housing at boiler top, and on stifled wall with flues, be provided with the outlet pipe that stretches out outside the housing, be provided with the interval of making exhaust gases passes between stifled wall with flues and the stove outer covering, also be provided with the interval of making exhaust gases passes between the upper end of inner water sleeve and the stifled wall with flues, be communicated with by heat pipe between them.

Above-mentioned energy-efficient refraction boiler, it is characterized in that: described boiler is a horizontal boiler, the water interlayer direct current plate that is provided with in its pyrotechnics case is for there being the water interlayer partition wall of certain intervals each other, it is spaced apart exhaust gases passes, adjacent water interlayer partition wall is communicated with the upper and lower surface of stove outer covering respectively, be installed in water interlayer partition wall above the stove outer covering and stove outer covering below be provided with the interval of making exhaust gases passes, otherwise, be installed in water interlayer partition wall below the stove outer covering and stove outer covering above be provided with the interval of making exhaust gases passes.

Compared with prior art, the utlity model has following advantage:

1, because the water interlayer direct current plate of the S type exhaust gases passes that gets on again under the back on the utility model is provided with in the pyrotechnics case and can forms earlier, like this, high-temperature flue gas after burning stream will be folded down from rising to certain altitude after burner hearth comes out, and then get on and discharge by throat, high-temperature flue gas stream all contacts with water jacket in the S type circulation overall process that once gets on again on this, this had just both strengthened high-temperature flue gas stream and heating water sleeve's contact-making surface, the high-temperature of high-temperature flue gas stream of having extended again changes into the time of coolant-temperature gage, especially high-temperature flue gas stream rises to and equals airflow obstruction when certain altitude down reflects, this is the preferably opportunity that the high-temperature of high-temperature flue gas stream is changed into coolant-temperature gage, therefore say, the utlity model has the high advantage of the thermal efficiency.

2, because the utility model has increased about 2/3rds at the exhaust gases passes of boiler internal, heating surface area has enlarged more than one times, the flue lengthening, heating surface area increases, energy is fully used, the coal consumption of boiler also just must reduce, so the utlity model has the advantage that flue is long, heating surface area is big, economize on coal.

Below in conjunction with drawings and Examples the utility model is described in further detail.

The structural representation of Fig. 1, the utility model embodiment one.

The structural representation of Fig. 2, the utility model embodiment two.

Embodiment one: as shown in Figure 1, the utility model is a vertical boiler, comprise stove outer covering 8, throat 1, pyrotechnics case 5, burner hearth 9, fire grate 10, ashes case 12, water inlet pipe 11, outlet pipe 4, coal feeding hole 14, gray-drawing port 13, stove outer covering 8 is made of water jacket, water inlet pipe 11 is located at the bottom of stove outer covering 8, outlet pipe 4 is located at the top of stove outer covering 8, the water interlayer direct current plate that is provided with in its pyrotechnics case 5 is inside and outside two water jackets 7 and 6, all be provided with certain intervals between inner water sleeve 7 and outer water jacket 6, outer water jacket 6 and stove outer covering 8 water jackets, be used as the passage of flue gas; The lower end of inner water sleeve 7 is taper, closely be connected on the stove outer covering 8, and its lower end is provided with heat pipe 15 and communicates with stove outer covering 8, is provided with the interval of making exhaust gases passes between the lower end of the lower end of outer water jacket 6 and inner water sleeve 7, is communicated with by heat pipe 16 between them; Outer water jacket 6 upper ends are connected with the stifled wall with flues 3 that communicates with it, stifled wall with flues 3 is the water leg structure, be installed on the housing at boiler top, and on stifled wall with flues 3, be provided with the outlet pipe 2 that stretches out outside the housing, be provided with the interval of making exhaust gases passes between stifled wall with flues 3 and the stove outer covering 8, also be provided with the interval of making exhaust gases passes between the upper end of inner water sleeve 7 and the stifled wall with flues 3, be communicated with by heat pipe 17 between them.

Embodiment two: as shown in Figure 2, the utility model is a horizontal boiler, comprise stove outer covering 8, throat 1, pyrotechnics case 5, burner hearth 9, fire grate 10, ashes case 12, water inlet pipe 11, outlet pipe 4, coal feeding hole 14, gray-drawing port 13, stove outer covering 8 is made of water jacket, water inlet pipe 11 is located at the bottom of stove outer covering 8, outlet pipe 4 is located at the top of stove outer covering 8, the water interlayer direct current plate that is provided with in its pyrotechnics case 5 is for there being the water interlayer partition wall 18 and 19 of certain intervals each other, it is spaced apart exhaust gases passes, adjacent water interlayer partition wall 18 and 19 is communicated with the upper and lower surface of stove outer covering 8 respectively, the water interlayer partition wall 18 that is installed in above the stove outer covering 8 is provided with the interval of making exhaust gases passes below stove outer covering 8, otherwise, be installed in below the stove outer covering water interlayer partition wall 19 be provided with the interval of making exhaust gases passes above the stove outer covering 8.

Claims (3)

1, a kind of energy-efficient refraction boiler, comprise stove outer covering, throat, pyrotechnics case, burner hearth, fire grate, water inlet pipe, outlet pipe, stove outer covering is made of water leg, water inlet pipe is located at the bottom of stove outer covering, outlet pipe is located at the top of stove outer covering, it is characterized in that: the water interlayer direct current plate of the S type exhaust gases passes that gets on again under the back on forming earlier is set in the pyrotechnics case, and its water interlayer communicates with the water leg of stove outer covering.

2, energy-efficient refraction boiler according to claim 1, it is characterized in that: described boiler is a vertical boiler, the water interlayer direct current plate that is provided with in its pyrotechnics case is inside and outside two water jackets, all be provided with certain intervals between inner water sleeve and outer water jacket, outer water jacket and the stove outer covering water jacket, be used for the passage of flue gas; The lower end of inner water sleeve is taper, closely be connected on the stove outer covering, and its lower end is provided with heat pipe and communicates with stove outer covering, is provided with the interval of making exhaust gases passes between the lower end of outer water jacket and the lower end of inner water sleeve, is communicated with by heat pipe between them; Outer water jacket upper end is connected with the stifled wall with flues that communicates with it, stifled wall with flues is the water leg structure, be installed on the housing at boiler top, and on stifled wall with flues, be provided with the outlet pipe that stretches out outside the housing, be provided with the interval of making exhaust gases passes between stifled wall with flues and the stove outer covering, also be provided with the interval of making exhaust gases passes between the upper end of inner water sleeve and the stifled wall with flues, be communicated with by heat pipe between them.

3, energy-efficient refraction boiler according to claim 1, it is characterized in that: described boiler is a horizontal boiler, the water interlayer direct current plate that is provided with in its pyrotechnics case is for there being the water interlayer partition wall of certain intervals each other, it is spaced apart exhaust gases passes, adjacent water interlayer partition wall is communicated with the upper and lower surface of stove outer covering respectively, be installed in water interlayer partition wall above the stove outer covering and stove outer covering below be provided with the interval of making exhaust gases passes, otherwise, be installed in water interlayer partition wall below the stove outer covering and stove outer covering above be provided with the interval of making exhaust gases passes.

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