CN2602309Y - Gasification smokeless coal boiler - Google Patents
Gasification smokeless coal boiler Download PDFInfo
- Publication number
- CN2602309Y CN2602309Y CN 03228881 CN03228881U CN2602309Y CN 2602309 Y CN2602309 Y CN 2602309Y CN 03228881 CN03228881 CN 03228881 CN 03228881 U CN03228881 U CN 03228881U CN 2602309 Y CN2602309 Y CN 2602309Y
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- Prior art keywords
- boiler
- guide plate
- utility
- kicker baffle
- model
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Abstract
The utility model discloses a structure boiler provided with a monoblock type water sleeve. The utility model comprises a main body, a boiler barrel, a stove, a counter flow transverse water drain pipe, a hearth, a guide plate, an air jet pipe, an air inlet, a grid melter, a boiler bottom cavity, a boiler door and a base seat. The utility model is characterized in that the guide plate has four layers up and down, the counter flow transverse water drain pipe is arranged in the guide plate and between the guide plates, the bottom layer guide plate at the upper part of the hearth is arranged as a reflective arch, the guide plate and the reflective arc are connected with the inner wall of the stove, fume portholes at the upper part of the hearth are crescent portholes; the high order position air jet pipe is arranged on the lower part of the fume porthole A which is positioned on the reflective arch; the pipe diameter of the pipes on the lower layer is larger than the pipe diameter of the pipes on the upper layer; an independent soot door is arranged at the perisporium position corresponding to the guide plate. The heat efficiency of the boiler of the utility model reaches higher than 83 percent, the smoke dust discharge concentration is less than 60 mg per Nm3, the criterion and requirement of GB13271 are achieved steadily. The utility model is suitable for the majority of low volume coal gasification smokeless combustion boilers.
Description
Technical field
The utility model belongs to water heater, specifically with the structure boiler of integral water jacket tube.
Background technology
Coal-burned industrial boiler is the coal consumption rich and influential family, also is one of pollution sources of atmospheric environment.Along with the progress of coal combustion technology, for the discharging of coal smoke, country has proposed up-to-date environmental protection standard GB13271 emission standard of air pollutants for boilers.When people turned to eye fuel oil, combustion gas even electric heating to use, also the technological transformation to coal-burning boiler had given suitable concern.Chinese patent 00209032.5 has proposed a kind of " vertical coal gasification high effective smokeless boiler ", adopted air intake preheating air compartment, the inner bag inwall is evenly distributed with secondary air channel multilayer half garden shape, band different angles wind distributing hole of differing heights, can expect the acquisition better effects, but remained deficiency on this scenario-frame performance, relatively difficulty in fact up to standard.
Summary of the invention
The utility model is intended to propose improved technical scheme, makes it the stable standard index that reaches country.
Coal gasification and smokeless combustion boiler of the present utility model, mainly form by body, drum, flue, convection current horizontally-arranged water pipe, burner hearth, kicker baffle, wind jet pipe, air inlet, grate, furnace bottom chamber, fire door, pedestal, it is characterized in that said kicker baffle is provided with four layers, convection current horizontally-arranged water pipe is located in the kicker baffle and between the kicker baffle, the bottom kicker baffle of burner hearth top is a reflection arch, kicker baffle is connected with the inwall of flue with reflection arch, and flue gas port A, B, C, the D of burner hearth top are the crescent shape port; Flue gas port A position on the reflection arch, its below are provided with and form the high-order wind jet pipe that air curtain is used; The caliber of said convection current horizontally-arranged water pipe lower floor is bigger than the upper strata; And be provided with independently shoot door in the perisporium position corresponding with kicker baffle.
The utility model has the advantages that: 1, through high-order wind jet pipe, with the fit applications of meta wind jet pipe, low level wind jet pipe, secondary wind and coal gas in the burner hearth are uniformly mixed, and produce air-flow vortex, under action of centrifugal force power, improve burning and flying dust effect of settling.2, flue gas upwards through four tortuous backhauls, is two S forms from burner hearth, and the heat exchange between flue gas and convection current horizontally-arranged water pipe is more abundant, has improved heat exchange efficiency, and boiler thermal output obviously improves.Compare the boiler thermal output after the raising 〉=83%, the in line concentration of emission＜60mg/Nm of flue dust with conventional boiler
3, can stablize and reach the GB13271 standard-required.
Description of drawings
Accompanying drawing is the structural representation of the utility model embodiment.
Piece number is depicted as among the figure: 1. body 2. impact tubes 3. drums 4. kicker baffles 5. muffs 6. flues 7. spray wind holes 8. high-order wind jet pipe 9. meta wind jet pipes 10. low level wind jet pipes 11. grate 12.U shapes are got a foothold and are enclosed 13. air inlets, 14. bases, 15. furnace bottom chambeies, 16. secondary air chambers, 17. fire doors, 18. burner hearths, 19. reflection arch, 20. shoot doors, 21. convection current horizontally-arranged water pipes, 22. end sockets
The specific embodiment
Referring to the embodiment accompanying drawing.Coal gasification and smokeless combustion boiler of the present utility model, mainly by body 1, drum 3, flue 6, convection current horizontally-arranged water pipe 21, burner hearth 18, kicker baffle 4, wind jet pipe (8,9,10), grate 11, air inlet 13, furnace bottom chamber 15, fire door 17, pedestal 14 is formed, it is characterized in that having four layers on the said kicker baffle 4, convection current horizontally-arranged water pipe 21 is located in the kicker baffle and between the kicker baffle, the bottom kicker baffle of burner hearth top is a reflection arch 19, kicker baffle 4 is connected the flue gas port A of burner hearth top with reflection arch 19 with flue 7 back inwalls, B, C, D is the crescent shape port; Flue gas port A place on the reflection arch 19, its lower portion is provided with and forms the high-order wind jet pipe 8 that air curtain is used; The caliber of said convection current horizontally-arranged water pipe lower floor is bigger than the upper strata; And be provided with independently shoot door 20 in the perisporium position corresponding with kicker baffle.
Wherein: kicker baffle should be no less than four layers (demanding increase to five, six layers), forms four tortuous backhauls, is two S forms shown in drawing.Than the mode of last face width, convection current horizontally-arranged water pipe was arranged on therebetween below spacing between kicker baffle was arranged to, and arranged in the following wide spacing that quantity can be more.Like this, the reason big with following caliber is the same, can allow the water in more horizontally-arranged water pipes obtain sufficient heat exchange in the burner hearth high-temperature region.The setting of shoot door then is deashing operation for convenience and establishing, and regularly deashing can keep in the stove in the comb water to obtain good heat exchange heat-transfer effect, keeps high boiler thermal output.Spray wind hole 7 in the present embodiment on the high-order wind jet pipe is distributed on the courage wall segmental arc of crescent passage port correspondence by radial oriented, and the wind that blows out forms the air curtain of one deck tabula, and flue gas will be subjected to air curtain when rising reverse hurdle cuts, and generation stops and collides to flying dust.Meta wind jet pipe in the secondary air channel circumferentially distributes, and spray wind hole is provided with by tangential, focuses on the formation bumpy flow, and performance centrifugal force is to the settlement action of flying dust in combustion-supporting.The spray wind hole of low level wind jet pipe makes air fully mix with coal gas by radially being provided with to form convection current.Reflection arch 19 can adopt the heat resistance concrete layer building, and in order to produce heat reflection, the gas in the heating furnace adapts to different coals.
The work running status of this coal gasification and smokeless combustion boiler is summarized as follows:
Drop into coal cinder from fire door, be added on the grate, after the igniting, one time wind is sent into from base bottom air inlet, and an air distribution circuit in the furnace bottom chamber is folded to the mid portion in furnace bottom chamber, and upwards enter the mixed back of burner hearth and coal gas again from grate coal cinder crack combustion-supporting; One one enters the ring-type secondary air chamber, be heated upwards from high, medium and low position wind jet pipe that the inboard wall of furnace ring distributes to burner hearth secondary air feed, make the interior mist of burner hearth produce the vortex of strong rotating operation, during gas-fired, flue gas upwards carries out heat exchange by the convection current horizontally-arranged water pipe in the bending circulation, water is from being heated in water inlet pipe enters water mantle in the drum and vaporizing output steam or hot water.
This device is easy to operate, and is functional.For example: the boiler of 0.3t/h, after tested, the thermal efficiency reaches 83.45%, and smoke dust discharge concentration is 45.5mg/Nm
3, NO
x＜200mg/Nm
3
Claims (1)
1, the coal gasification and smokeless combustion boiler, mainly by body (1), drum (3), flue (6), convection current horizontally-arranged water pipe (21), burner hearth (18), kicker baffle (4), wind jet pipe (8,9,10), air inlet (13), grate (11), furnace bottom chamber (15), fire door (17), pedestal (14) is formed, it is characterized in that having four layers on the said kicker baffle, convection current horizontally-arranged water pipe is located in the kicker baffle and between the kicker baffle, the bottom kicker baffle of burner hearth top is a reflection arch (19), kicker baffle (4) is connected with the inwall of reflection arch (19) with flue (6), the flue gas port A of burner hearth top, B, C, D is the crescent shape port; Flue gas port A position on the reflection arch, its below are provided with and form the high-order wind jet pipe (8) that air curtain is used; The caliber of said convection current horizontally-arranged water pipe (21) lower floor is bigger than the upper strata; And be provided with independently shoot door (20) in the perisporium position corresponding with kicker baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03228881 CN2602309Y (en) | 2003-02-17 | 2003-02-17 | Gasification smokeless coal boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03228881 CN2602309Y (en) | 2003-02-17 | 2003-02-17 | Gasification smokeless coal boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2602309Y true CN2602309Y (en) | 2004-02-04 |
Family
ID=34164578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03228881 Expired - Fee Related CN2602309Y (en) | 2003-02-17 | 2003-02-17 | Gasification smokeless coal boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2602309Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373929A (en) * | 2014-11-10 | 2015-02-25 | 怀化市奇效节能科技有限公司 | Double-hearth half-gasification smokeless combustion system |
-
2003
- 2003-02-17 CN CN 03228881 patent/CN2602309Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373929A (en) * | 2014-11-10 | 2015-02-25 | 怀化市奇效节能科技有限公司 | Double-hearth half-gasification smokeless combustion system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040204 Termination date: 20110217 |