CN2667315Y - Vertical coal burning boiler - Google Patents
Vertical coal burning boiler Download PDFInfo
- Publication number
- CN2667315Y CN2667315Y CN 200320110698 CN200320110698U CN2667315Y CN 2667315 Y CN2667315 Y CN 2667315Y CN 200320110698 CN200320110698 CN 200320110698 CN 200320110698 U CN200320110698 U CN 200320110698U CN 2667315 Y CN2667315 Y CN 2667315Y
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- China
- Prior art keywords
- chamber
- communicates
- heat exchange
- burner hearth
- boiler
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- Expired - Fee Related
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Abstract
The utility model discloses a vertical coal burning boiler. The chamber of the boiler is separated into two region, one for combustion at the upper region and one for heat exchange at the lower region; a combustion chamber and a high-temperature combustion chamber(through the grate) are positioned in the combustion region and one side of the combustion chamber accesses to the stoke port while the opposite side of the chamber is provided with an air inlet which accesses the combustion chamber and the air inlet accesses the fan by the elbow; a funnel accesses the chamber; a smoke channel, accessing to the upper chamber, is positioned on each side of the high-temperature combustion chamber; heat exchange pipe, accessing the boiler, is positioned in the upper chamber; a fire grate is arranged at the bottom of the high temperature combustion chamber, for the design, the bottom of the high temperature combustion chamber is connected with the ash and slag room; for the design(the combustion region is positioned in the middle of the chamber), the high-temperature fume rushes to the chamber through the outlet flues at two sides and passes to the upper chamber and then make full heat exchange with the water in the boiler; the water pipes for separating the chamber, pipes for heat exchange and grates access the boiler through the chamber respectively. As the thermo power has been full made use of the ability of the boiler for heat exchange has been significantly improved. And fume emission satisfies the national requirement of environmental protection.
Description
Technical field
The utility model relates to a kind of vertical fire coal boiler.
Background technology
The coal-burning boiler that be widely used in town and country constituent parts water supply at present, heats the particularly following coal-burning boiler of 1T/h mainly is the vertical fire coal boiler, its structure as shown in Figure 1, body of heater is made up of inside and outside housing 1,2, sealed cavity between the inside and outside housing is a pot interior 3, the inner chamber of inner housing 1 is a burner hearth, body of heater one side has the coal filling hole that communicates with burner hearth, fire door 4 is housed on the coal filling hole, there is the chimney 7 that communicates with burner hearth the body of heater top, burner hearth is separated into two chambers that the bottom communicates by double-layer plate 10, one is that 11, one of combustion chambers are heat-exchanging chamber 12; Coal filling hole communicates with combustion chamber 11, and chimney 7 communicates with heat-exchanging chamber 12; Have the ventilating opening 8 that communicates with the combustion chamber on the body of heater of 11 tops, combustion chamber and communicate with blower fan by airduct, grate 5 is equipped with in the below, and combustion chamber 11 communicates with heat-exchanging chamber 12 by grate 5 belows; Have in the heat-exchanging chamber 12 and the interior 3 heat exchange water pipes 6 that communicate of pot.The boiler of this kind structure, owing to adopt single face to go out flue gas, most of high-temperature flue gas leads to chimney 7 from the side of burner hearth b by heat exchange water pipe 6, cause the side of the burner hearth a situation of being heated poor, weakened heat-exchange capacity, heat exchange is insufficient, and boiler thermal output decline coal consumption is risen.
The utility model content
Technical problem to be solved in the utility model provides and a kind ofly can make full use of combustion heat energy, improves the vertical fire coal boiler of heat-exchange capacity.
In order to solve the problems of the technologies described above, a kind of vertical fire coal boiler of the utility model, the body of heater of boiler is made up of shell body, inner housing, and the sealed cavity between the inside and outside housing is in the pot, the inner chamber of inner housing is a burner hearth, body of heater one side has the coal filling hole that communicates with burner hearth, and fire door is housed on the coal filling hole, and there is the chimney that communicates with burner hearth the body of heater top, heat exchange water pipe in the burner hearth with pot in communicate, burner hearth is separated into two districts that the bottom communicates, and the bottom is the combustion zone, and top is heat exchange zone; Combustion zone on the burner hearth axis is provided with combustion chamber and the high temperature combustors that communicates by grate, one side of combustion chamber communicates with coal filling hole, the body of heater of opposite one side is provided with the air inlet that communicates with the combustion chamber and communicates with blower fan by bend pipe, the both sides of high temperature combustors respectively are provided with a flue and communicate with upper furnace, and the bottom of high temperature combustors communicates with the ashes chamber by being provided with fire grate.Center in boiler furnace is divided into two zones, combustion zone and heat exchange zones with burner hearth.Rear side is provided with air inlet in the combustion chamber on top, combustion zone, and air inlet is connected with blower fan by bend pipe, makes blower fan be in the bottom of combustion zone.Water pipe is separated between combustion chamber and high temperature combustors, and water pipe constitutes grate through reasonable Arrangement.The high temperature combustors bottom is provided with casting furnace grate and places on the high-temperature refractory, mechanical air intake is adopted on high temperature combustors top, natural air inlet is adopted in the bottom, combustion zone oxygen supply abundance, coal is double-deck burning on grate and fire grate, coal burning is abundant, thereby carbon granule and carbon monoxide in the flue gas are reduced greatly.The high temperature combustors both sides are provided with outlet flue, and high-temperature flue gas leads to upper furnace by outlet flue, and burner hearth is heated evenly, and heat exchange is abundant.
Combustion zone that is provided with in the burner hearth and heat exchange zone by with pot in the water pipe and the high-temperature refractory that communicate separate.
Communicate in the grate that constitutes by water pipe and the pot.It effectively utilizes the heat energy of boiler, thereby has improved the boiler hot exchange capacity.
Air inlet is provided with the wind deflector that the mechanical air inlet of control flows to, and can improve the oxygen supply effect of combustion zone.The bottom of inner housing is a cone-shaped, guarantees grate area under the prerequisite that does not increase the shell diameter, helps high-temperature flue gas to enter upper furnace from the both sides flue.
Because the vertical fire coal boiler adopts said structure, improved the thermal efficiency of boiler.The combustion zone is located at the middle part of burner hearth, high-temperature flue gas by the both sides outlet flue wash away burner hearth lead to upper furnace with the pot in water carry out sufficient heat exchange.Burner hearth is heated evenly, and it has overcome the burner hearth single face effectively and has been heated the inadequate shortcoming of heat exchange.The water pipe of separated furnace, grate respectively by burner hearth with the pot in communicate, it effectively utilizes the heat energy of boiler, thereby has improved the boiler hot exchange capacity.At high temperature combustion zone, coal is double-deck burning on grate and fire grate, and coal burning is abundant, thereby carbon granule and carbon monoxide in the flue gas are reduced greatly.Smoke content is less than 80mg/m3 in the flue gas that chimney is discharged, and soot emissions meet national requirements for environmental protection.
Description of drawings
Fig. 1 is a vertical fire coal boiler structure schematic diagram;
Fig. 2 is the utility model vertical fire coal boiler structure side sectional view;
Fig. 3 is the utility model vertical fire coal boiler structure front section view;
Among Fig. 2, Fig. 3,1: inner housing, 2: shell body, 3: the pot in, 4: fire door, 5: combustion chamber, 6: grate, 7: chimney, 8: high temperature combustors, 9: upper furnace, 10: fire grate, 11: blower fan, 12: bend pipe, 13: air inlet, 14: deflector, 15: flame observation panel, 16: water pipe, 17: cleaning door, 18: ashes chamber, 19: outlet flue, 20: heat exchange water pipe, 21: high-temperature flame-proof cement, 22: ash hole.
The specific embodiment
Describe the utility model embodiment in detail below in conjunction with accompanying drawing;
As Fig. 2, shown in Figure 3, the body of heater of boiler is made up of inner housing 1, shell body 2, sealed cavity between the inside and outside housing is a pot interior 3, the inner chamber of inner housing is a burner hearth, and body of heater one side has the coal filling hole 4 that communicates with burner hearth, on the coal filling hole 4 fire door is housed, there is the chimney 7 that communicates with burner hearth the body of heater top, burner hearth is separated into two districts that the bottom communicates, and the bottom is the combustion zone, and top is heat exchange zone; Combustion zone on the burner hearth axis is provided with combustion chamber 5 and the high temperature combustors 8 that communicates by grate 6, one side of combustion chamber communicates with coal filling hole 4, the body of heater of opposite one side is provided with the air inlet 13 that communicates with the combustion chamber and communicates with blower fan 11 by bend pipe 12, and chimney 7 communicates with upper furnace 9; The both sides of high temperature combustors 8 respectively are provided with a flue 19 and communicate with upper furnace 9, and upper furnace 9 is provided with and the interior 3 heat exchange water pipes 20 that communicate of pot, and the bottom of high temperature combustors 8 communicates with ashes chamber 18 by being provided with fire grate 10.Combustion zone in the burner hearth and heat exchange zone by with pot in 3 water pipes that communicate 16 and high-temperature refractory 21 separate.The grate 6 that is made of water pipe communicates with pot interior 3.In boiler furnace, utilize water pipe 16 and refractory material 21 that burner hearth is divided into two zones, combustion zone and heat exchange zones.5 rear sides are provided with air inlet 13 in the combustion chamber on top, combustion zone, and air inlet 13 is connected with blower fan 11 by bend pipe 12, and blower fan 11 is installed in the bottom of combustion zone, avoids hyperthermia radiation to protect blower fan 11 effectively.Water pipe is separated between combustion chamber 5 and high temperature combustors 8, and water pipe constitutes grate 6 through reasonable Arrangement.High temperature combustors 8 bottoms are provided with casting furnace grate 10 and place on the high-temperature refractory.Mechanical air intake is adopted on high temperature combustors 8 tops, natural air inlet is adopted in the bottom, combustion zone oxygen supply abundance, unburnt coal drops on the casting furnace grate 10, burn away, form coal double-deck burning on grate and fire grate, coal burning is abundant, temperature in the high temperature combustors 8 can reach more than 700 degree, thereby carbon granule and carbon monoxide in the flue gas are reduced greatly.High temperature combustors 8 both sides are provided with outlet flue 19, high-temperature flue gas leads to upper furnace 9 by outlet flue 19, upper furnace 9 is provided with arranged crosswise and the interior 3 heat exchange water pipes 20 that communicate of pot, water pipe effectively utilizes the space of burner hearth, arranged crosswise three rows, high-temperature flue gas is obstructed and flow velocity descends in the heat exchange zone internal cause, prolonged the time that flue gas passes through, be convenient to the sedimentation of ash content, make it both improve 3 interior water circulating effects in the pot, play the effect of blocking flue dust again.Reduced the exhanst gas outlet temperature effectively.
In order to observe the flame of high temperature combustors 8, on the body of heater below the grate 6, have flame observation panel 15.On the body of heater below the heat exchange water pipe 20, have cleaning door 17, be convenient to clear up the ashes that drop on the combustion zone outside top.The furnace foundation of burner hearth bottom is provided with ashes chamber 18, and a side of furnace foundation has ash hole 22.
Claims (5)
1, a kind of vertical fire coal boiler, body of heater is made up of inner housing (1), shell body (2), sealed cavity between the inside and outside housing is in the pot (3), the inner chamber sky of inner housing (1) is a burner hearth, one side of body of heater has the coal filling hole that communicates with burner hearth, fire door (4) is housed on the coal filling hole, there is the chimney (7) that communicates with burner hearth the body of heater top, heat exchange water pipe (20) in the burner hearth communicates with (3) in the pot, it is characterized in that: burner hearth is separated into two districts that the bottom communicates, the bottom is the combustion zone, and top is heat exchange zone; Combustion zone on the burner hearth axis is provided with combustion chamber (5) and the high temperature combustors (8) that communicates by grate (6), one side of combustion chamber (5) communicates with coal filling hole, the body of heater of opposite one side is provided with the air inlet (13) that communicates with combustion chamber (5) and communicates with blower fan (11) by bend pipe (12), the both sides of high temperature combustors (8) respectively are provided with a flue (19) and communicate with upper furnace (9), and the bottom of high temperature combustors (8) communicates with ashes chamber (18) by being provided with fire grate (10).
2, a kind of vertical fire coal boiler according to claim 1 is characterized in that: combustion zone that is provided with in the burner hearth and heat exchange zone are separated by water pipe (16) that communicates with (3) in the pot and high-temperature refractory (21).
3, a kind of vertical fire coal boiler according to claim 1 is characterized in that: the grate (6) that is made of water pipe communicates with (3) in the pot.
4, a kind of vertical fire coal boiler according to claim 1 is characterized in that: air inlet (13) is provided with the wind deflector (14) that the mechanical air inlet of control flows to.
5, a kind of vertical fire coal boiler according to claim 1, it is characterized in that: the bottom of inner housing (1) is a cone-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320110698 CN2667315Y (en) | 2003-11-04 | 2003-11-04 | Vertical coal burning boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320110698 CN2667315Y (en) | 2003-11-04 | 2003-11-04 | Vertical coal burning boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2667315Y true CN2667315Y (en) | 2004-12-29 |
Family
ID=34343851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320110698 Expired - Fee Related CN2667315Y (en) | 2003-11-04 | 2003-11-04 | Vertical coal burning boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2667315Y (en) |
-
2003
- 2003-11-04 CN CN 200320110698 patent/CN2667315Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |