CN2733250Y - Clean coal-burning boiler - Google Patents
Clean coal-burning boiler Download PDFInfo
- Publication number
- CN2733250Y CN2733250Y CN 200420096234 CN200420096234U CN2733250Y CN 2733250 Y CN2733250 Y CN 2733250Y CN 200420096234 CN200420096234 CN 200420096234 CN 200420096234 U CN200420096234 U CN 200420096234U CN 2733250 Y CN2733250 Y CN 2733250Y
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- China
- Prior art keywords
- burner hearth
- rotating shaft
- heater
- solid phase
- heat exchange
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Abstract
The utility model relates to a clean coal-burning boiler, comprising a horizontal boiler body, a solid phase boiler cavity, a gas phase boiler cavity, a heat-exchange boiler cavity, a grate, an ash discharge chamber, which is arranged under the grate, a plurality of hot water exchange pipes, which are connected with a heating water sleeve, a stoking port and a smoke outlet channel, and is characterized in that the utility model also comprises an air supply duct, which is connected with the upper part of the solid phase boiler cavity and the lower part of the grate. An air blower is connected with the middle of the air supply duct, and two control valves are arranged in the air supply duct. The gas phase boiler cavity is arranged at the back part of the solid phase boiler cavity and is communicated with the lower part of the solid phase boiler. The heat-exchange boiler cavity is arranged at the back part of the gas phase boiler cavity and is divided into a front one and a back one. The upper part of the front heat-exchange boiler cavity is communicated with the gas phase boiler cavity, and the back heat-exchange boiler cavity is communicated with the lower part of the front heat-exchange boiler cavity. The smoke outlet channel is arranged at the upper part of the backwall of the back heat-exchange boiler cavity. The utility model has the advantages of reasonable structure, high heat efficiency, capable of burning coals completely and favorable environmental protection effect. The utility model can be widely used in various heating system and tea bath system.
Description
Technical field
The utility model relates to a kind of coal-burning boiler, particularly about a kind of cleaning coal-burning boiler with environment-friendly function.
Background technology
Along with the continuous development of urban construction, more and more higher for the requirement and the standard of coal-burning boiler environmental protection aspect, solve the environmental issue of coal-burning boiler, be improvement on the one hand for boiler soot emission, be the design from boiler itself improves on the other hand.The utility model to the improvement of boiler furnace mainly in problem at following several respects: 1, existing boiler generally only is provided with a solid phase burner hearth, and coal can not fully burn, and causes in the unburnt flue gas dust burdening very big.2, some boiler is provided with the gas-phase combustion burner hearth, but the position of operated by rotary motion and structure are unreasonable, and second-time burning is insufficient.3, some boiler is not provided with the unreasonable of air-blast device or air-blast device setting, and after inserting new coal, furnace temperature is lower, makes coal burning insufficient, and is on fire slower.4, the cover of the middle water proof between solid phase burner hearth and the gas phase burner hearth is owing to be heated strongly, and easily hot-spot and fouling causes the smooth and local damage of current.5, the gray scale of rousing of large-sized boiler bothers, and existing ash discharge fire grate generally is manual, and operation labour intensity is bigger.
Summary of the invention
At the problems referred to above, it is abundant that the purpose of this utility model provides a kind of coal burning, contains ash in the smoke evacuation hardly, the cleaning coal-burning boiler that the feature of environmental protection is high.
For achieving the above object, the utility model is taked following technical scheme: a kind of cleaning coal-burning boiler, it comprises: a horizontal body of heater, described body of heater circumferentially be provided with heating water jacket, water inlet pipe and water outlet pipe; One solid phase burner hearth, a gas-phase combustion burner hearth and a heat exchange burner hearth, it is arranged in the described body of heater; One fire grate and the ash discharge chamber that is arranged under it, it is arranged on described body of heater bottom; The described heating water jacket's of some connections heat exchanging water pipe, its oblique being arranged in the described heat exchange burner hearth, and its two ends are communicated with described heating water jacket; One coal feeding hole, it is arranged on the body of heater on described solid phase burner hearth top; One smoke outlet flue, it is arranged on the described body of heater and its outlet connects chimney; It is characterized in that it also comprises: an air supply duct, the one end is arranged on the top of described solid phase burner hearth, and the other end is arranged on described fire grate below; One air blast, it is connected the middle part of described air supply duct; Two control valves, it is arranged in the described air supply duct of controlling two ends air-supply up and down respectively; Described coal feeding hole is oblique to be arranged on described sidewall of the furnace body, described gas-phase combustion burner hearth is positioned at the rear portion of described solid phase burner hearth, and be communicated with the bottom of described solid phase burner hearth, described heat exchange burner hearth is arranged on the rear portion of described gas-phase combustion burner hearth, and be separated into former and later two, the described heat exchange upper furnace of front is communicated with described gas-phase combustion burner hearth, the described heat exchange burner hearth at rear portion is communicated with the described heat exchange lower furnace portion of front portion, and described smoke outlet flue is arranged on the top of the described heat exchange burner hearth rear wall at rear portion.
Described gas-phase combustion burner hearth is the cydariform of young, the tripe broad in the middle of turnover, tiltedly is provided with the guiding fire grate between the bottom of described gas-phase combustion burner hearth and the described fire grate.
Described fire grate is an automatically controlled tipping grate, and it comprises: the decelerator of a motor and drive, and it is installed in described body of heater outside; One crank, it is connected on the output shaft of described decelerator; One connecting rod, one end are hinged on the described crank; At least two rotating shafts, it is supported on the interior furnace grate support of described body of heater at interval; One fork, on the hinged described connecting rod of one end, the other end is fixed in the wherein rotating shaft; Some rocking bars, its top disperse to be connected in each described rotating shaft; At least one trace, it connects the bottom of each described rocking bar respectively; Some groups of fire grates, it is separately positioned in described each rotating shaft that is connected with the described fork.
The rotating shaft that is connected with described fire grate is respectively arranged with two rows, and every row is two, and a described rocking bar is set in the every described rotating shaft, connects in the rotating shaft of described fork two described rocking bars are set, and the bottom of each rocking bar connects the described rocking bar of a row by described trace.
But be provided with the cleaning door of described heat exchange burner hearth of leading to of a plurality of foldings at described body of heater top, be provided with deashing chamber at the heat exchange burner hearth bottom.
Middle water proof cover between described solid phase burner hearth and gas phase burner hearth is provided with the return pipe of heating system.
The utility model is owing to take above technical scheme, it has the following advantages: 1, the utility model is owing to be provided with an air supply duct that is communicated with on the top of solid phase combustion chamber and the bottom of fire grate, and air blast and control valve be set on air supply duct, therefore can when lighting a fire and insert new coal, strengthen air output, make on fire rapidlyer, the fired coal combustion that newly inserts is more abundant.2, the utility model is owing to set gradually solid phase burner hearth, gas-phase combustion burner hearth and two heat exchange burner hearths, and end to end with each burner hearth, the cigarette road that flue gas is flowed through constantly changes direction, make ash fully burning and the landing in flowing in the flue gas, make that ash greatly reduces in the flue gas of discharge, even do not have.3, the utility model is owing to be arranged to pass in and out cydariform young, tripe broad in the middle with the gas-phase combustion burner hearth, therefore after flame enters from the import of bottom, furnace volume increases rapidly, the flow velocity rapid drawdown, prolonged the holdup time of gas at the gas-phase combustion burner hearth, make unburnt material in this abundant completing combustion, very big to the contribution that has reduced the smoke evacuation dustiness.Simultaneously can improve the thermal efficiency, reduce coal consumption greatly.4, the utility model is owing to be provided with the crank connecting link actuation mechanism that a motor reducer drives, therefore can drive a rotating shaft by a fork rotates, driving several groups of fire grates simultaneously by rocking bar in the rotating shaft and trace rotates, realized rousing the easy manipulation of ash, alleviated fireman's labour intensity greatly once pressing a button.5, the utility model is owing to be arranged on local temperature highest point between gas-phase combustion burner hearth and the solid phase burner hearth with return pipe, backwater is heated rapidly herein, solve the problem of pipe scaling effectively, and alleviated the too high drawback that causes of local temperature.The utility model is rational in infrastructure, thermal efficiency height, and coal burning is abundant, has good environment protecting, and it can be widely used in various the needs in heating system and the tea bath system.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 is the utility model schematic side view
Fig. 3 is the utility model schematic rear view
Fig. 4 is the automatically controlled tipping grate structural representation of the utility model
Fig. 5 is the utility model rocking bar serial verb construction schematic diagram
The specific embodiment
As Fig. 1, Fig. 2, shown in Figure 3, the utility model comprises a horizontal body of heater 1, body of heater 1 circumferentially be provided with heating water jacket 2, be provided with a solid phase burner hearth 3 in the body of heater 1, an one gas-phase combustion burner hearth 4 and a heat exchange burner hearth 5, body of heater 1 bottom is provided with fire grate 6 and ash discharge chamber 7, the oblique heat exchanging water pipe 8 who is provided with some connection heating water jackets 2 in the heat exchange burner hearth 5, the headroom of gas-phase combustion burner hearth 3 also is provided with heat exchanging water pipe 8, obliquely on the body of heater 1 on solid phase burner hearth 3 tops is provided with one and has the coal feeding hole 31 that opens the door.One end of one air supply duct 9 is arranged on the top of solid phase burner hearth 3, and the other end is arranged on the grey chamber 7 of fire grate 6 belows; One air blast 91 is connected the middle part of air supply duct 9, in the outlet of air blast 91, leads on the air supply duct 9 of upper/lower terminal a control valve 92,93 is set respectively, to control the air output at two ends up and down respectively.
Above-mentioned gas-phase combustion burner hearth 4 is positioned at the rear portion of solid phase burner hearth 3, and be communicated with the bottom of solid phase burner hearth 3, heat exchange burner hearth 5 is arranged on the rear portion of gas-phase combustion burner hearth 4, and be separated into former and later two 51,52, heat exchange burner hearth 51 tops of front are communicated with gas-phase combustion burner hearth 4, the heat exchange burner hearth 52 at rear portion is communicated with heat exchange burner hearth 51 bottoms of front portion, and smoke outlet flue is arranged on the top of heat exchange burner hearth 52 rear walls at rear portion.Gas-phase combustion burner hearth 4 is the cydariform of young, the tripe broad in the middle of turnover, tiltedly is provided with the stove operator 41 that leads between the bottom of gas-phase combustion burner hearth 4 and fire grate 6.Like this when coal-fired enter from burner hearth sidepiece coal feeding hole 31 after, the DE Smoke spray is to the top of solid phase burner hearth 3, and can not go out outside the body of heater 1 more; Coal is after solid phase burner hearth 3 internal combustion, unburnt coal can enter the gas-phase combustion chamber with flue gas and further burn from the bottom, because the big tripe of gas-phase combustion burner hearth 4 can form the space and become big, the air-flow velocity rapid drawdown, therefore not only burning is very abundant herein for flue gas, and the ash effect of settling in the flue gas is good especially.Enter the flue gas of heat exchange burner hearth 51,52 from gas-phase combustion burner hearth 4 tops, enter smoke outlet flue again after the variation through the variation of the flowing space several times and flow direction again, thereby make the flue gas of discharging from the utility model reach the environmental requirement of special cleaning.
As Fig. 4, shown in Figure 5, above-mentioned fire grate 6 is an automatically controlled tipping grate, it comprises the motor that is arranged on body of heater 1 outside and the decelerator 61 of drive, on the output shaft of decelerator 61, connect a crank 62, one connecting rod 63 is hinged on the crank 62, the hinged fork 64 of the other end of connecting rod 63, the other end of fork 64 is fixedly connected in the rotating shaft 65, and rotating shaft 65 is supported on the fire grate bracing frame 66 in the body of heater 1.On fire grate bracing frame 66, also be arranged at intervals with two rows, two rotating shaft 65a of every row, all be fixedly connected with a rocking bar 67 on the every rotating shaft 65a, in rotating shaft 65, be fixedly connected with two rocking bars 67, all rocking bars 67 form two rows, the hinged trace 68 of bottom difference at two row's rocking bars 67 all is provided with one group of fire grate 69 simultaneously on every rotating shaft 65a.Like this when motor drives crank 62 rotations by decelerator 61, connecting rod 63 just can drive fork 64 and swing back and forth, fork 64 other ends of swing just can drive rotating shaft 65 and back and forth rotate, rocking bar 67 in the rotating shaft 65 can pass through trace 68 again, drive other and be connected that rocking bar 67 shakes on the trace 68, and then drive rotating shaft 65a and every group of fire grate 69 of being fixed on the rotating shaft 65a rotates, thereby reach the purpose of electronic deashing by shaking of rocking bar 67.
As shown in Figure 1, but the utility model also is provided with the cleaning door that leads to heat exchange burner hearth 5 53 of a plurality of foldings at body of heater 1 top, be provided with deashing chamber 54 in the bottom of heat exchange burner hearth 5.
Claims (9)
1, a kind of cleaning coal-burning boiler, it comprises:
One horizontal body of heater, described body of heater circumferentially be provided with heating water jacket, water inlet pipe and water outlet pipe;
One solid phase burner hearth, a gas-phase combustion burner hearth and a heat exchange burner hearth, it is arranged in the described body of heater;
One fire grate and the ash discharge chamber that is arranged under it, it is arranged on described body of heater bottom;
The described heating water jacket's of some connections heat exchanging water pipe, its oblique being arranged in the described heat exchange burner hearth, and its two ends are communicated with described heating water jacket;
One coal feeding hole, it is arranged on the body of heater on described solid phase burner hearth top;
One smoke outlet flue, it is arranged on the described body of heater and its outlet connects chimney;
It is characterized in that it also comprises:
One air supply duct, the one end is arranged on the top of described solid phase burner hearth, and the other end is arranged on described fire grate below;
One air blast, it is connected the middle part of described air supply duct;
Two control valves, it is arranged in the described air supply duct of controlling two ends air-supply up and down respectively;
Described coal feeding hole is oblique to be arranged on described sidewall of the furnace body, described gas-phase combustion burner hearth is positioned at the rear portion of described solid phase burner hearth, and be communicated with the bottom of described solid phase burner hearth, described heat exchange burner hearth is arranged on the rear portion of described gas-phase combustion burner hearth, and be separated into former and later two, the described heat exchange upper furnace of front is communicated with described gas-phase combustion burner hearth, the described heat exchange burner hearth at rear portion is communicated with the described heat exchange lower furnace portion of front portion, and described smoke outlet flue is arranged on the top of the described heat exchange burner hearth rear wall at rear portion.
2, a kind of cleaning coal-burning boiler as claimed in claim 1 is characterized in that: described gas-phase combustion burner hearth is the cydariform of young, the tripe broad in the middle of turnover, tiltedly is provided with the guiding fire grate between the bottom of described gas-phase combustion burner hearth and the described fire grate.
3, a kind of cleaning coal-burning boiler as claimed in claim 1, it is characterized in that: described fire grate is an automatically controlled tipping grate, and it comprises
The decelerator of one motor and drive, it is installed in described body of heater outside;
One crank, it is connected on the output shaft of described decelerator;
One connecting rod, one end are hinged on the described crank;
At least two rotating shafts, it is supported on the interior furnace grate support of described body of heater at interval;
One fork, on the hinged described connecting rod of one end, the other end is fixed in the wherein rotating shaft;
Some rocking bars, its top disperse to be connected in each described rotating shaft;
At least one trace, it connects the bottom of each described rocking bar respectively;
Some groups of fire grates, it is separately positioned in described each rotating shaft that is connected with the described fork.
4, a kind of cleaning coal-burning boiler as claimed in claim 2, it is characterized in that: described fire grate is an automatically controlled tipping grate, and it comprises
The decelerator of one motor and drive, it is installed in described body of heater outside;
One crank, it is connected on the output shaft of described decelerator;
One connecting rod, one end are hinged on the described crank;
Some rotating shafts, it is supported on the interior furnace grate support of described body of heater at interval;
One fork, on the hinged described connecting rod of one end, the other end is fixed in the wherein rotating shaft;
Some rocking bars, its top disperse to be connected in each described rotating shaft;
At least one trace, it connects the bottom of each described rocking bar respectively;
Some groups of fire grates, it is separately positioned in described each rotating shaft that is connected with the described fork.
5, a kind of cleaning coal-burning boiler as claimed in claim 3, it is characterized in that: the rotating shaft that is connected with described fire grate is respectively arranged with two rows, every row is two, one described rocking bar is set in the every described rotating shaft, connect in the rotating shaft of described fork two described rocking bars are set, the bottom of each rocking bar connects the described rocking bar of a row by described trace.
6, a kind of cleaning coal-burning boiler as claimed in claim 4, it is characterized in that: the rotating shaft that is connected with described fire grate is respectively arranged with two rows, every row is two, one described rocking bar is set in the every described rotating shaft, connect in the rotating shaft of described fork two described rocking bars are set, the bottom of each rocking bar connects the described rocking bar of a row by described trace.
7, as claim 1 or 2 or 3 or 4 or 5 or 6 described a kind of cleaning coal-burning boilers, it is characterized in that: but be provided with the cleaning door of described heat exchange burner hearth of leading to of a plurality of foldings at described body of heater top, be provided with deashing chamber at the heat exchange burner hearth bottom.
8, as claim 1 or 2 or 3 or 4 or 5 or 6 described a kind of cleaning coal-burning boilers, it is characterized in that: the middle water proof cover between described solid phase burner hearth and gas phase burner hearth is provided with the return pipe of heating system.
9, a kind of cleaning coal-burning boiler as claimed in claim 7, it is characterized in that: the middle water proof cover between described solid phase burner hearth and gas phase burner hearth is provided with the return pipe of heating system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420096234 CN2733250Y (en) | 2004-09-30 | 2004-09-30 | Clean coal-burning boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420096234 CN2733250Y (en) | 2004-09-30 | 2004-09-30 | Clean coal-burning boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2733250Y true CN2733250Y (en) | 2005-10-12 |
Family
ID=35069091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420096234 Expired - Lifetime CN2733250Y (en) | 2004-09-30 | 2004-09-30 | Clean coal-burning boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2733250Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148578A (en) * | 2013-03-14 | 2013-06-12 | 北京桑普阳光技术有限公司 | Multi-fuel heating hot-water boiler |
-
2004
- 2004-09-30 CN CN 200420096234 patent/CN2733250Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148578A (en) * | 2013-03-14 | 2013-06-12 | 北京桑普阳光技术有限公司 | Multi-fuel heating hot-water boiler |
| CN103148578B (en) * | 2013-03-14 | 2015-12-02 | 北京桑普阳光技术有限公司 | A kind of multi fuel heating hot water boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140930 Granted publication date: 20051012 |