CN2477948Y - Efficiency energy saving boiler - Google Patents

Efficiency energy saving boiler Download PDF

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Publication number
CN2477948Y
CN2477948Y CN 01225378 CN01225378U CN2477948Y CN 2477948 Y CN2477948 Y CN 2477948Y CN 01225378 CN01225378 CN 01225378 CN 01225378 U CN01225378 U CN 01225378U CN 2477948 Y CN2477948 Y CN 2477948Y
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CN
China
Prior art keywords
heater
air
energy
chimney
combustion chamber
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Expired - Fee Related
Application number
CN 01225378
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Chinese (zh)
Inventor
李文义
王长青
张树林
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Individual
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Individual
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Priority to CN 01225378 priority Critical patent/CN2477948Y/en
Application granted granted Critical
Publication of CN2477948Y publication Critical patent/CN2477948Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A highly-efficient and energy-saving boiler, which comprises a furnace body filled with circulating water, wherein a grate is installed below the combustion chamber inside the furnace body; a furnace door is opened on the furnace body below the grate; a flame port is opened on the furnace body; a flue pipe is installed on the side wall of the furnace body; the flue pipe has a threaded inner wall and is filled with circulating water. The applied threaded inner wall flue pipe enables the smoke to rise spirally to slow down the emission speed of smoke; therefore the heating area is enlarged, and heat absorption by the circulating water contained in the flue pipe is enhanced to increase the overall heating efficiency of the furnace; what is more, the emission of smoke is reduced for sake of environmental protection. The utility model has less heat loss, thus is energy-saving and can cut the combustion cost.

Description

Energy-saving efficient boiler
The utility model relates to a kind of boiler, relates to a kind of small-sized civil energy-efficient boiler specifically.
Along with cities and towns, rural area, pastoral area warming adopt increasing gradually of civil boiler, so the kind of civil boiler is also a lot of in the market, compare with employed original small-sized civil boiler of past, a lot of improvement have structurally been arranged, generally all design secondary and given wind system, basically solve the combustion with meagre oxygen problem, improved the utilization rate of coal; Some boiler has structurally increased the heating surface of stove, thereby improves the thermal efficiency; Also some boiler improves the structure of boiler from environmental angle, makes full combustion of fuel, reduces the discharge capacity of flue gas, thereby reduces the pollution of black smoke to air.Generally speaking, along with the progress in epoch, the structure of civil boiler obtain very big improvement, serviceability also progressively improves, but also show with regard to the information that present civil boiler feeds back and also to have following problem: (1) burning velocity is accelerated, the mass rate of emission of hot flue gas is also accelerated, cause exhaust gas temperature too high, thermal loss is bigger; (2) in each stage that adds coal combustion for twice, have only time of 1/3rd to need the secondary oxygenation, but the boiler of selling in the market can not regulate air quantity repeatedly for the wind oxygen system automatically, forms combustion phases oxygen supply surplus, cause furnace temperature sharply to descend, furnace heat runs off to be wasted; (3) the fume-eliminating energy-saving boiler is a lot of in the market, and the energy-saving effect that has is better, and smoke effect is not too obvious again, eliminate smoke and energy-conservation between contradiction still fail to resolve.
The purpose of this utility model is to provide a kind of sufficient combustion, and thermal loss is few, can keep temperature in the stove, prevents that effectively heat runs off, the dustproof good energy-saving efficient boiler of smoke effect.
The purpose of this utility model is to realize by following technical scheme:
A kind of energy-saving efficient boiler, the body of heater of dress recirculated water in comprising, below the combustion chamber in this body of heater fire grate is installed, on the body of heater below this fire grate fire door is arranged, above the said body of heater crater is arranged, at said sidewall of the furnace body chimney is installed, its structural feature is: said chimney is the interior wall type chimney of the screw thread of interior dress recirculated water.
One smoke elimination cover is installed on the combustion chamber of said body of heater, big poly-fiery high temperature hole is arranged in the middle of the said smoke elimination cover.
Uniform at least two little poly-fiery high temperature holes around the big poly-fiery high temperature hole of said smoke elimination cover.
Said little poly-fiery high temperature Kongzui is good to be eight.
Between said combustion chamber and water-jacket typ body of heater, be furnace lining, it below this liner outer wall a circle transverse air-intake groove, has a vertical air intake duct vertical on the said liner outer wall at least with the transverse air-intake groove, vertically on the air intake duct oxygen supply hole is arranged, on the body of heater at said transverse air-intake groove place, fresh air inlet is arranged, the air quantity internally piloted valve is installed on this fresh air inlet, this air quantity internally piloted valve top connects an air intake tube in valve, the movable air quantity adjustment sheet that connects of this air intake tube bottom, the chimney fan of said air quantity internally piloted valve bottom are installed on the fresh air inlet on the body of heater.When fuel takes fire, the effect of draft when the air quantity internally piloted valve is subjected to flame combustion in the combustion chamber, external air pressure is greater than the pressure in the air quantity internally piloted valve, the air quantity adjustment sheet is opened, air enters the transverse air-intake groove by fresh air inlet, enters the vertical air intake duct that communicates with it through the transverse air-intake groove again, vertically uniform oxygen supply hole on the air intake duct, to the oxygen supply of burning indoor secondary, reach the effect that helps the oxygen burning; After the burning peak, the draft in the combustion chamber descends, and the air quantity adjustment sheet is closed under the effect of gravity automatically, and only burning gets final product by fire grate gap natural air inlet.
Said vertical air intake duct the best is six.
Advantage of the present utility model is:
Because chimney of the present utility model adopts wall type chimney in the screw thread, thereby make flue gas formula rising in the shape of a spiral, slowed down fume emission speed, heating surface strengthens, recirculated water endothermic effect in the chimney strengthens, and the coefficient of heat transfer is doubled, thereby increased the overall thermal efficient of stove, also reduce simultaneously the discharge capacity of flue gas, can prevent air pollution.The utility model thermal loss is few, saves the energy, reduces the burning cost.
Further advantage of the present utility model is:
Because the cover that eliminates smoke has been installed on the combustion chamber, in the combustion process of fuel, there is not clean-burning flue gas at the water-cooling wall edge, and the not clean-burning flue gas of rising is subjected to the influence in poly-fiery high temperature hole when passing the smoke elimination cover, burning once more, promptly further increase the thermal efficiency, can reach the purpose of smoke elimination again, simultaneously, keep off the part dust, environment protecting is good.Because the utility model has further been installed air quantity from ports valve, so when flame combustion temperature height needed oxygenation in the combustion chamber, air quantity was opened automatically from ports valve and added oxygen and aiding combustion, air quantity is closed automatically from the hole when flame temperature is low, to prevent the oxygen supply surplus.So from ports valve, make fuel combustion more abundant by eliminate smoke cover and air quantity, further increased the thermal efficiency, reduce the burning cost.
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model;
The structural representation that Fig. 2 eliminates smoke and covers for the utility model;
Fig. 3 is the structural representation of the utility model air quantity internally piloted valve.
Fig. 4 is the furnace lining schematic diagram.
As shown in Figure 1, body of heater 7 is the body of heater of interior dress recirculated water, below the combustion chamber 9 in this body of heater fire grate 6 is installed, fire door 8 is arranged on the body of heater below this fire grate, crater 10 is arranged above the said body of heater, at sidewall of the furnace body water box 3 is installed, this installs chimney 1 above water box, chimney is the interior wall type chimney of the screw thread of interior dress recirculated water, one smoke elimination cover 2 is installed on the combustion chamber of body of heater, as shown in Figure 2, eliminate smoke and cover the middle big poly-fiery high temperature hole 12 that has, uniform eight little poly-fiery high temperature holes 11 around big poly-fiery high temperature hole, between said combustion chamber and water-jacket typ body of heater, be furnace lining 4, as shown in Figure 4, it below this liner outer wall the horizontal sentence of circle air intake duct 16, six vertical air intake ducts 17 vertical with the transverse air-intake groove are arranged on the liner outer wall, vertically on the air intake duct oxygen supply hole 18 is arranged, on the body of heater at said transverse air-intake groove place, fresh air inlet is arranged, air quantity internally piloted valve 5 is installed on this fresh air inlet, this air quantity internally piloted valve top connects an air intake tube 13 in valve, the movable air quantity adjustment sheet 14 that connects of this air intake tube bottom, the chimney fan 15 of air quantity internally piloted valve bottom are installed on the fresh air inlet on the body of heater.When fuel takes fire, because the cover that eliminates smoke has been installed on the combustion chamber, and in the combustion process of fuel, there is not clean-burning flue gas at the water-cooling wall edge, the not clean-burning flue gas that rises is when passing the smoke elimination cover, be subjected to the influence in poly-fiery high temperature hole, burning has promptly further increased the thermal efficiency once more, can reach the purpose of smoke elimination again, simultaneously, keep off the part dust, environment protecting is good.The effect of draft when the air quantity internally piloted valve is subjected to flame combustion in the combustion chamber, external air pressure is greater than the pressure in the air quantity internally piloted valve, the air quantity adjustment sheet is opened, air enters the transverse air-intake groove by fresh air inlet, enter the vertical air intake duct that communicates with it through the transverse air-intake groove again, vertically uniform oxygen supply hole on the air intake duct to the oxygen supply of burning indoor secondary, reaches the effect that helps the oxygen burning; After the burning peak, the draft in the combustion chamber descends, and the air quantity adjustment sheet is closed under the effect of gravity automatically, and only burning gets final product by fire grate gap natural air inlet.Because chimney of the present utility model adopts wall type chimney in the screw thread, thereby make flue gas formula rising in the shape of a spiral, slowed down fume emission speed, heating surface strengthens, recirculated water endothermic effect in the chimney strengthens, and the coefficient of heat transfer is doubled, thereby increased the overall thermal efficient of stove, also reduce simultaneously the discharge capacity of flue gas, can prevent air pollution.

Claims (6)

1, a kind of energy-saving efficient boiler, the body of heater (7) of dress recirculated water in comprising, fire grate (6) is installed below the combustion chamber (9) in this body of heater, fire door (8) is arranged on the body of heater below this fire grate, crater (10) is arranged above the said body of heater, at said sidewall of the furnace body chimney (1) is installed, is it is characterized in that: said chimney is the interior wall type chimney of the screw thread of interior dress recirculated water.
2, energy-saving efficient boiler according to claim 1 is characterized in that: a smoke elimination cover (2) is installed on the combustion chamber of said body of heater, big poly-fiery high temperature hole (12) is arranged in the middle of the said smoke elimination cover.
3, energy-saving efficient boiler according to claim 2 is characterized in that: uniform at least two little poly-fiery high temperature holes (11) around the big poly-fiery high temperature hole of said smoke elimination cover.
4, energy-saving efficient boiler according to claim 3 is characterized in that: said little poly-fiery high temperature Kongzui is good to be eight.
5, according to claim 1,2,3 or 4 described energy-saving efficient boilers, it is characterized in that: between said combustion chamber and water-jacket typ body of heater, be furnace lining (4), it below this liner outer wall a circle transverse air-intake groove (16), has a vertical air intake duct (17) vertical on the said liner outer wall at least with the transverse air-intake groove, vertically on the air intake duct oxygen supply hole (18) is arranged, on the body of heater at said transverse air-intake groove place, fresh air inlet is arranged, air quantity internally piloted valve (5) is installed on this fresh air inlet, this air quantity internally piloted valve top connects an air intake tube (13) in valve, the movable air quantity adjustment sheet (14) that connects of this air intake tube bottom, the chimney fan (15) of said air quantity internally piloted valve bottom are installed on the fresh air inlet on the body of heater.
6, energy-saving efficient boiler according to claim 5 is characterized in that: said vertical air intake duct the best is six.
CN 01225378 2001-05-26 2001-05-26 Efficiency energy saving boiler Expired - Fee Related CN2477948Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01225378 CN2477948Y (en) 2001-05-26 2001-05-26 Efficiency energy saving boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 01225378 CN2477948Y (en) 2001-05-26 2001-05-26 Efficiency energy saving boiler

Publications (1)

Publication Number Publication Date
CN2477948Y true CN2477948Y (en) 2002-02-20

Family

ID=33641436

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 01225378 Expired - Fee Related CN2477948Y (en) 2001-05-26 2001-05-26 Efficiency energy saving boiler

Country Status (1)

Country Link
CN (1) CN2477948Y (en)

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C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee