CN201047662Y - Chain type fire coal gasfication atmospheric hot-water environmetnal protection boiler - Google Patents
Chain type fire coal gasfication atmospheric hot-water environmetnal protection boiler Download PDFInfo
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- CN201047662Y CN201047662Y CNU2007200124495U CN200720012449U CN201047662Y CN 201047662 Y CN201047662 Y CN 201047662Y CN U2007200124495 U CNU2007200124495 U CN U2007200124495U CN 200720012449 U CN200720012449 U CN 200720012449U CN 201047662 Y CN201047662 Y CN 201047662Y
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Abstract
The utility model provides a chain type coal gasification atmospheric hot-water environment-protection boiler which is provided with three hearths and three arch walls. The upper parts of the hearths and the three arch tops are closed and connected into a whole; the coal is gasified in the preheated combustion hearth and is combusted in a high-temperature smoke-elimination combustion area; the combusted flame is reflected back into and combusted in a convection radiation combustion area; the smoke fire is discharged into a smoke tube at the upper part of the boiler drum through a hole that is arranged at the upper part of a network radiation arch wall connected by the third upper arch and an inclined long arch. The utility model has reasonable design, scientific arrangement of the heated area and the chain type effective grate area, equal heated area; the hearth temperature is fully absorbed by the heated tubes; the utility model sends the heat rapidly, combusts completely without producing black smoke, greatly improves heat efficiency and saves energy; the utility model also has the advantages of easy operation, excellent environment-protection effect and high coal gasification efficiency; the utility model is suitable for being used in all coals and is suitable for being used in sites with non-centralized heat supply, such as factories, mines, departments, and schools, etc.
Description
Technical field
The utility model relates to boiler, concrete is chain type fire coal gasfication atmospheric hot-water environmetnal protection boiler.
Background technology
The boiler that uses divides with regard to the fuel that adopts at present coal stove, oil oven two big classes, because it is coal-fired serious to air and environmental pollution, a lot of coal-burning boilers have adopted coal-fired gasification technology, have of the pollution of the coal smoke of dust with minimizing to air, yet the gasification coal-fired boiler that uses has only a burner hearth now, the fuel gas that fire coal is gasificated into can only be in the burner hearth intermediate combustion, its heat also only concentrates on the subregion in the middle of the burner hearth, there are some heats not to be fully used, the tube bank of not being heated absorbs, just very fast discharge from chimney has caused the loss and the waste of the energy, this also is the existing main cause that awaits further to increase substantially with the gasification coal-fired boiler thermal efficiency, and used boiler is to coal smoke simultaneously, yet there be not slap-up putting in place in the processing of lime-ash.
Summary of the invention
The purpose of this utility model is low in order to solve the present plain cylindrical furnace thermal efficiency, flue dust greatly problem such as the suitable pollution of environment structure is provided a kind of energy-saving and cost-reducing, the thermal efficiency is higher, does not have the chain type fire coal gasfication atmospheric hot-water environmetnal protection boiler of flue dust during burning.
The technical scheme that adopts is:
Chain type fire coal gasfication atmospheric hot-water environmetnal protection boiler comprises body of heater, preheated burning burner hearth, high temperature smoke elimination burning burning-out zone, the netted arch wall in top, first road, top, second road sealing radiation arch wall, top, the 3rd road arch and the oblique long netted radiation arch wall that links to each other that encircles; Described upper of furnace body is provided with a upper drum, the top of upper drum is provided with manhole, outlet pipe, atmospheric communicating pipe, the inside of upper drum is equiped with the tube bank of being heated, the bottom of body of heater is provided with the air blast interface, the rear wall of body of heater is provided with return pipe, blow-off pipe and shoot door, the front of body of heater is provided with coal bunker, and its design feature is:
The front end at body of heater middle part is provided with pre-heat radiation arch, and the back of pre-heat radiation arch is provided with the netted arch wall in top, first road, is provided with the preheated burning burner hearth between netted arch wall in top, first road and pre-heat radiation arch; Sealing radiation arch wall in top, second road is set in the back of the netted arch wall in top, first road, between netted arch wall in top, first road and top, second road sealing radiation arch wall, be provided with high temperature smoke elimination burning burning-out zone, be provided with top, the 3rd road arch and the oblique long netted radiation arch wall that links to each other that encircles in the back of top, second road sealing radiation arch wall, top, the 3rd road arch links to each other with oblique long arch and is provided with convection current radiation combustion zone between netted radiation arch wall and top, second road sealing radiation arch wall, top, the 3rd road arch is set to radiation by slag after-flame burner hearth arch with oblique long bottom of encircleing the netted radiation arch wall that links to each other, and radiation is connected with the rear wall of body of heater by the end of slag after-flame burner hearth arch.
Above-mentioned pre-heat radiation arch, the netted arch wall in top, first road, top, second road sealing radiation arch wall close with the oblique long last closedtop that encircles the netted radiation arch wall that links to each other with top, the 3rd road arch and link into an integrated entity.
The above-mentioned netted arch wall in top, first road is respectively arranged with a plurality of holes with top, the 3rd road arch with oblique long top of encircleing the netted radiation arch wall that links to each other.
The bottom of above-mentioned body of heater is provided with chain furnace grate.
Working procedure:
See that Fig. 1-2 is described, coal-fired from last coal bunker threading, and deliver on the chain furnace grate, along with being transported to the preheated burning burner hearth with fire coal, the transmission of chain furnace grate carries out coal-fired gasification, fuel gas that generates and fugitive constituent from the hole on netted arch wall top, top, first road and down arch enter into eliminate smoke burning burning-out zone and burn fully with the oxygen mix that air blast is entered and heat the tube bank of being heated of high temperature, and arch enters convection current radiation combustion zone, the 3rd road convective burning its is forced unburnt fugitive constituent warp in hyperthermia radiation burning back by air blast, air inducing under.Because of the eliminate smoke top of burning burning-out zone and top, second road sealing radiation arch wall wall of high temperature is totally-enclosed arch wall, radiation pyrotechnics can only pass through from the following arch of top, second road sealing radiation arch wall.Because of entering convection current radiation combustion zone by the part fuel gas, the convective flow of gas proceeds burning, after-flame in the burning, top, the 3rd road arch is set to oblique radiation by slag after-flame burner hearth arch with the oblique long netted radiation arch wall bottom that links to each other of encircleing, being convection current radiation combustion zone convective burning in flame reflected back the 3rd burner hearth with after-flame, the pyrotechnics after the burning is entered in the smoke pipe of upper drum with the hole that oblique long top of encircleing the netted radiation arch wall that links to each other is provided with by top, the 3rd road arch.Lime-ash behind the coal-fired gasification is transported to shoot door by chain furnace grate, and removes from shoot door.
The utility model overall construction design is reasonable, the science that the effective grate area of heating surface area and chain-type is arranged, and coal-fired gasification is fully burning in two burner hearths, be heated evenly, the temperature of burner hearth is heated, and tube bank is abundant to be absorbed, and it is quick to conduct heat, sufficient combustion does not produce black smoke, has improved the thermal efficiency greatly, energy savings, easy to operate, environment protecting is good, coal-fired gasification rate height, be suitable for all types of coals, make the boiler technology of coal-fired gasification improve a step again.Use in places such as the factories and miness of the suitable non-central heating of the utility model, office, school.
Need to prove: under the prerequisite that does not change the utility model principle and design, change of having done or distortion all belong to protection domain of the present utility model.
Description of drawings
Fig. 1 is the positive agent structure schematic diagram of the utility model.
Fig. 2 is the utility model main body side TV structure schematic diagram.
The specific embodiment
Embodiment
Chain type fire coal gasfication atmospheric hot-water environmetnal protection boiler, shown in Fig. 1-2, comprise body of heater 19, preheated burning burner hearth 2, high temperature smoke elimination burning burning-out zone 4, the netted arch wall 3 in top, first road, top, second road sealing radiation arch wall 6, top, the 3rd road arch and the oblique long netted radiation arch wall 8 that links to each other that encircles;
Body of heater 19 tops are provided with a upper drum 13, the top of upper drum 13 is provided with manhole 17, outlet pipe 15, atmospheric communicating pipe 14, the inside of upper drum 13 is equiped with the tube bank 16 of being heated, the bottom of body of heater 19 is provided with air blast interface 5, the rear wall of body of heater 19 is provided with return pipe 12, blow-off pipe 10 and shoot door 11, the front of body of heater 19 is provided with coal bunker 20, and the bottom of body of heater 19 is provided with chain furnace grate 21.
The front end at body of heater 19 middle parts is provided with pre-heat radiation arch 1, and the top that the back of pre-heat radiation arch 1 is provided with the netted arch wall 3 in top, netted arch wall 3, the first road, top, first road is respectively arranged with a plurality of holes 18.Between netted arch wall 3 in top, first road and pre-heat radiation arch 1, be provided with preheated burning burner hearth 2; Top, second road sealing radiation arch wall 6 is set in the back of the netted arch wall 3 in top, first road, between netted arch wall 3 in top, first road and top, second road sealing radiation arch wall 6, be provided with high temperature smoke elimination burning burning-out zone 4, be provided with top, the 3rd road arch and the oblique long netted radiation arch wall 8 that links to each other that encircles in the back of top, second road sealing radiation arch wall 6, top, the 3rd road arch is respectively arranged with a plurality of holes 18 with oblique long top of encircleing the netted radiation arch wall 8 that links to each other, top, the 3rd road arch links to each other with oblique long arch and is provided with convection current radiation combustion zone 7 between netted radiation arch wall 8 and top, second road sealing radiation arch wall 6, top, the 3rd road arch is set to oblique radiation by slag after-flame burner hearth arch 9 with oblique long bottom of encircleing the netted radiation arch wall 8 that links to each other, and radiation is connected with the rear wall of body of heater 19 by the end of slag after-flame burner hearth arch 9.Sealing radiation arch wall 6 in heat radiation arch top, netted arch wall 3, the second road, top, 1, first road closes with the oblique long last closedtop that encircles the netted radiation arch wall 8 that links to each other with top, the 3rd road arch and links into an integrated entity in advance.
Claims (4)
1. chain type fire coal gasfication atmospheric hot-water environmetnal protection boiler comprises body of heater (19), preheated burning burner hearth (2), high temperature smoke elimination burning burning-out zone (4), the netted arch wall in top, first road (3), top, second road sealing radiation arch wall (6), top, the 3rd road arch and the oblique long netted radiation arch wall (8) that links to each other that encircles; Described body of heater (19) top is provided with a upper drum (13), the top of upper drum (13) is provided with manhole (17), outlet pipe (15), atmospheric communicating pipe (14), the inside of upper drum (13) is equiped with the tube bank (16) of being heated, the bottom of body of heater (19) is provided with air blast interface (5), the rear wall of body of heater (19) is provided with return pipe (12), blow-off pipe (10) and shoot door (11), the front of body of heater (19) is provided with coal bunker (20), it is characterized in that:
The front end at body of heater (19) middle part is provided with pre-heat radiation arch (1), and the back of pre-heat radiation arch (1) is provided with the netted arch wall in top, first road (3), is positioned between netted arch wall in top, first road (3) and the pre-heat radiation arch (1) to be provided with preheated burning burner hearth (2); Sealing radiation arch wall (6) in top, second road is set in the back of the netted arch wall in top, first road (3), be positioned at and be provided with high temperature smoke elimination burning burning-out zone (4) between netted arch wall in top, first road (3) and top, second road sealing radiation arch wall (6), be provided with top, the 3rd road arch and the oblique long netted radiation arch wall (8) that links to each other that encircles in the back of top, second road sealing radiation arch wall (6), top, the 3rd road arch links to each other with oblique long arch and is provided with convection current radiation combustion zone (7) between netted radiation arch wall (8) and top, second road sealing radiation arch wall (6), top, the 3rd road arch is set to radiation by slag after-flame burner hearth arch (9) with oblique long bottom of encircleing the netted radiation arch wall (8) that links to each other, and radiation is connected with the rear wall of body of heater (19) by the end of slag after-flame burner hearth arch (9).
2. chain type fire coal gasfication atmospheric hot-water environmetnal protection boiler according to claim 1, it is characterized in that: above-mentioned pre-heat radiation arch (1), the netted arch wall in top, first road (3), top, second road sealing radiation arch wall (6) and top, the 3rd road arch and linking into an integrated entity that the oblique long last closedtop that encircles the netted radiation arch wall (8) that links to each other closes.
3. chain type fire coal gasfication atmospheric hot-water environmetnal protection boiler according to claim 1 is characterized in that: the above-mentioned netted arch wall in top, first road (3) is respectively arranged with a plurality of holes (18) with top, the 3rd road arch with oblique long top of encircleing the netted radiation arch wall (8) that links to each other.
4. chain type fire coal gasfication atmospheric hot-water environmetnal protection boiler according to claim 1 is characterized in that: the bottom of above-mentioned body of heater (19) is provided with chain furnace grate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200124495U CN201047662Y (en) | 2007-06-04 | 2007-06-04 | Chain type fire coal gasfication atmospheric hot-water environmetnal protection boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200124495U CN201047662Y (en) | 2007-06-04 | 2007-06-04 | Chain type fire coal gasfication atmospheric hot-water environmetnal protection boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201047662Y true CN201047662Y (en) | 2008-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200124495U Expired - Lifetime CN201047662Y (en) | 2007-06-04 | 2007-06-04 | Chain type fire coal gasfication atmospheric hot-water environmetnal protection boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201047662Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101319814B (en) * | 2007-06-04 | 2010-05-19 | 刘伟义 | Chain type fire coal gasfication atmospheric hot-water environmetnal protection boiler |
-
2007
- 2007-06-04 CN CNU2007200124495U patent/CN201047662Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101319814B (en) * | 2007-06-04 | 2010-05-19 | 刘伟义 | Chain type fire coal gasfication atmospheric hot-water environmetnal protection boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20080416 Effective date of abandoning: 20070604 |