CN219656035U - Biomass-fired water pipe steam boiler - Google Patents
Biomass-fired water pipe steam boiler Download PDFInfo
- Publication number
- CN219656035U CN219656035U CN202321111229.3U CN202321111229U CN219656035U CN 219656035 U CN219656035 U CN 219656035U CN 202321111229 U CN202321111229 U CN 202321111229U CN 219656035 U CN219656035 U CN 219656035U
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- Prior art keywords
- combustion chamber
- boiler
- biomass
- arch
- heat exchange
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 238000002485 combustion reaction Methods 0.000 claims abstract description 52
- 230000001105 regulatory effect Effects 0.000 claims abstract description 3
- 239000000779 smoke Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 230000005855 radiation Effects 0.000 abstract description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 4
- 239000011449 brick Substances 0.000 abstract description 4
- 239000004568 cement Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 abstract description 3
- 239000000446 fuel Substances 0.000 description 17
- 239000002028 Biomass Substances 0.000 description 16
- 239000002956 ash Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 235000021168 barbecue Nutrition 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Solid-Fuel Combustion (AREA)
Abstract
The utility model relates to the technical field of boilers, in particular to a biomass-fired water pipe steam boiler which comprises an upper boiler barrel and a lower boiler barrel, wherein a heat exchange bin is arranged between the upper boiler barrel and the lower boiler barrel, one end of the heat exchange bin is provided with a combustion chamber, the bottom of the combustion chamber is provided with a chain grate, the inner wall of the combustion chamber is provided with a heat preservation layer, one side of the combustion chamber is provided with a front arch, the other side of the combustion chamber is provided with a rear arch, the inner wall of the front arch is provided with a secondary air pipe, one end of the combustion chamber is provided with a hopper, and the side wall of the bottom of the chain grate is provided with a plurality of air regulating ports. In the biomass-fired water pipe steam boiler, the front water wall pipe and the rear water wall pipe of the combustion chamber extend downwards to the upper part of the fire grate to form a front arch and a rear arch, the radiation heating surface of the combustion chamber is increased on the basis of unchanged other heating areas, and the overload capacity is stronger; the front and rear arches are formed by taking the water wall pipe as a framework and pouring high-alumina cement, so that the defect that the original boiler three-fold line arch brick is broken and collapsed when being roasted at high temperature for a long time is avoided, and the service life of the arch is prolonged.
Description
Technical Field
The utility model relates to the technical field of boilers, in particular to a biomass-fired water pipe steam boiler.
Background
At present, an environment-friendly boiler for combusting renewable energy particle biomass is widely popularized and applied in China and abroad, but the existing biomass boiler also has the problems of insufficient combustion, large smoke, insufficient environment protection, low heat efficiency and the like. Particularly, in the combustion process, the biomass boiler contains more chlorine and alkaline substances, and fly ash particles of the substances are adhered to the boiler body, so that the boiler is severely corroded, and the boiler cannot be operated and used in a heating period.
The utility model discloses a high-efficiency energy-saving biomass and coal-fired dual-purpose water pipe boiler, which comprises a combustion chamber and a flame channel, wherein the combustion chamber and the flame channel are formed by a first combustion area (12) and a second combustion area (19), a water pipe (3) is arranged in the flame channel, the tail end of the flame channel is connected with a chimney (7), a flame compression area (18) is arranged between the first combustion area (12) and the second combustion area (19), a detachable biomass fuel bridge device (13) is arranged below the first combustion area (12), a boiler bridge is arranged below the biomass fuel bridge device (13) and below the second combustion area (19), and the biomass fuel bridge device (13) comprises a bridge device body (13 a) and a water pipe bridge (13 c) in a slope structure form.
The technical scheme is high-efficiency and energy-saving, and the biomass fuel and the anthracite can be combusted by the biomass-coal dual-purpose water pipe boiler, and the combustion effect is good, but the combustion chamber cannot ensure full burnout of the fuel, cannot improve the incineration power, has a single structure, and cannot improve the radiation heating surface.
Disclosure of Invention
The utility model aims to provide a biomass-fired water pipe steam boiler, which solves the problems that a combustion chamber provided in the background technology cannot ensure full burnout of fuel, cannot improve incineration power, has a single structure and cannot improve a radiation heating surface.
In order to achieve the above purpose, the utility model provides a biomass water pipe steam boiler, which comprises an upper boiler barrel and a lower boiler barrel, wherein a heat exchange bin is arranged between the upper boiler barrel and the lower boiler barrel, one end of the heat exchange bin is provided with a combustion chamber, the bottom of the combustion chamber is provided with a chain grate, the inner wall of the combustion chamber is provided with a heat insulation layer, one side of the combustion chamber is provided with a front arch, the other side of the combustion chamber is provided with a rear arch, the inner wall of the front arch is provided with a secondary air pipe, one end of the combustion chamber is provided with a hopper, the bottom side wall of the chain grate is provided with a plurality of air adjusting ports, the bottom of one end of the chain grate is provided with a slag dropping port, the upper boiler barrel and the lower boiler barrel are connected through a plurality of convection tube bundles, the convection tube bundles are positioned in the heat exchange bin, the inside of the heat exchange bin is provided with a plurality of smoke folding walls, and the bottom of the heat exchange bin is provided with an ash discharging port.
Preferably, an upper drain pipe is arranged at the bottom of the upper boiler barrel, and a lower drain pipe is arranged at the bottom of the lower boiler barrel.
Preferably, an inspection opening is formed in one end of the upper boiler barrel, a liquid level meter is mounted at the other end of the upper boiler barrel, and a steam-water separator, a main steam valve tube seat, an auxiliary steam valve tube seat and lifting lugs are sequentially mounted at the top of the upper boiler barrel.
Preferably, one end of the heat exchange bin is provided with a smoke outlet.
Preferably, a fire poking door is arranged on the side wall of the combustion chamber.
Preferably, the inner wall of the heat exchange bin is provided with a plurality of water cooling wall pipes.
Preferably, the top of the upper boiler barrel is connected with a water supply pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the biomass-fired water pipe steam boiler, the front water wall pipe and the rear water wall pipe of the combustion chamber extend downwards to the upper part of the fire grate to form a front arch and a rear arch, the radiation heating surface of the combustion chamber is increased on the basis of unchanged other heating areas, and the overload capacity is stronger; the front and rear arches are formed by taking the water wall pipe as a framework and pouring high-alumina cement, so that the defect that the original boiler three-fold line arch brick is broken and collapsed when being roasted at high temperature for a long time is avoided, and the service life of the arch is prolonged.
2. In the biomass-fired water pipe steam boiler, secondary air is arranged on the front arch, and the secondary air is controlled by the valve to be put into use when biomass fuel is fired, so that combustion is enhanced, the fuel is fully combusted, and the combustion efficiency is improved. And a higher feed inlet is adopted to meet the requirement of biomass fuel.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic top view of the interior of the present utility model;
fig. 3 is a schematic diagram of the internal side view structure of the present utility model.
The meaning of each reference sign in the figure is:
1. a top drum; 11. an upper drain pipe; 12. an inspection port; 13. a steam-water separator; 14. a main steam valve tube seat; 15. a sub-steam valve tube seat; 16. lifting lugs; 17. a liquid level gauge; 18. a water supply pipe; 2. a lower drum; 21. a lower drain pipe; 3. a combustion chamber; 31. a front arch; 32. a rear arch; 33. a heat preservation layer; 34. a fire poking door; 35. a hopper; 36. a secondary air duct; 4. a heat exchange bin; 41. a smoke outlet; 42. an ash discharge port; 5. a chain grate; 51. regulating an air inlet; 52. a slag drop port; 6. a convection bank; 7. a waterwall tube; 8. and a smoke folding wall.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a biomass water pipe steam boiler, as shown in figures 1-3, which comprises an upper boiler barrel 1 and a lower boiler barrel 2, wherein a heat exchange bin 4 is arranged between the upper boiler barrel 1 and the lower boiler barrel 2 and is used for carrying out heat exchange between water and smoke, one end of the heat exchange bin 4 is provided with a combustion chamber 3 for burning to generate the smoke, the bottom of the combustion chamber 3 is provided with a chain grate 5, the inner wall of the combustion chamber 3 is provided with a heat preservation layer 33, one side of the combustion chamber 3 is provided with a front arch 31, the other side is provided with a rear arch 32, the radiation heating surface of a hearth is increased on the basis of the unchanged heating area, the overload capacity is stronger, and the front arch and the rear arch are formed by taking a water wall pipe 7 as a framework and pouring high-alumina cement, so that the defects of cracking and arch collapse of the original boiler three-fold line arch bricks during long-time high-temperature barbecue are avoided, the service life of the arch is prolonged, the inner wall of the front arch 31 is provided with a secondary air pipe 36 which is controlled by a valve and is put into use when biomass fuel is burned, the combustion is intensified, the combustion is fully combusted, and the combustion efficiency is improved. Adopt higher feed inlet to satisfy biomass fuel's demand, the one end of combustion chamber 3 is provided with hopper 35 for feeding, the bottom lateral wall of traveling grate 5 is provided with a plurality of transfer wind mouths 51, the one end bottom of traveling grate 5 is provided with slag notch 52, be used for the lime-ash to collect, be connected through a plurality of convection bank 6 between upper drum 1 and the lower drum 2, convection bank 6 is located heat exchange storehouse 4 inside, heat exchange storehouse 4 internally mounted has a plurality of cigarette walls 8 for increase the flow path of flue gas, make its flue gas fully heat transfer, the bottom of heat exchange storehouse 4 is provided with ash discharge port 42, be used for discharging down the heavy dust of flue gas, the boiler is in structural design, relatively traditional boiler furnace space is great, arrange very reasonable overgrate air simultaneously, a large amount of volatile components that separate in the twinkling of an eye when being favorable to biomass fuel to burning fully burn.
In this embodiment, the bottom of the upper drum 1 is provided with an upper drain pipe 11, and the bottom of the lower drum 2 is provided with a lower drain pipe 21 for draining.
Specifically, an inspection port 12 is arranged at one end of the upper boiler barrel 1, a liquid level meter 17 is arranged at the other end of the upper boiler barrel 1 and used for observing the liquid level of the upper boiler barrel 1, and a steam-water separator 13, a main steam valve tube seat 14, an auxiliary steam valve tube seat 15 and a lifting lug 16 are sequentially arranged at the top of the upper boiler barrel 1.
Further, a smoke outlet 41 is arranged at one end of the heat exchange bin 4 for discharging smoke.
Further, the side wall of the combustion chamber 3 is provided with a fire poking door 34 for poking internal fuel from the outside, thereby improving combustion efficiency.
Further, the inner wall of the heat exchange bin 4 is provided with a plurality of water cooling wall pipes 7 for water-cooling the heat exchange bin 4.
Further, a water feed pipe 18 is connected to the top of the upper drum 1 for water feed.
When the biomass-fired water pipe steam boiler is used, firstly, the device is placed, then fuel is added through the hopper 35, the fuel in the combustion chamber 3 is combusted through the traveling grate 5 to generate smoke, the smoke flows through the heat exchange bin 4 and is fed with water through the water feed pipe 18, water flows into the lower boiler barrel 2 from the upper boiler barrel 1 through the convection tube bundle 6 from top to bottom, at the moment, the smoke and the water in the convection tube bundle 6 are subjected to heat exchange, and then the heated water is heated and is externally connected to a user through a pipeline for use;
in the boiler operation, through the design of front arch 31, back arch 32, increased the furnace radiation heating surface on the basis of other heat areas unchanged again, overload capacity is stronger, and front and back encircles and regard water wall pipe 7 as skeleton and pour into a mould with high alumina cement to avoid the long-term high temperature barbecue of former boiler three fold line arch brick to appear breaking, the disadvantage of the arch collapse, thereby prolonged the life of arch, secondary air pipe 36 is controlled by the valve, put into use when burning biomass fuel, strengthen burning, make the fuel fully burn out, improve combustion efficiency.
Finally, it should be noted that, in the chain grate 5 and the like in this embodiment, the electronic components in the above components are all universal standard components or components known to those skilled in the art, the structure and principle thereof are all known to those skilled in the art through technical manuals or known through routine experiment methods, at the idle position of the device, all the above electrical components are connected through wires, and specific connection means should refer to the sequential working order among the electrical components in the working principle to complete the electrical connection, which is known in the art.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a fire living beings water pipe steam boiler, includes upper drum (1) and lower drum (2), its characterized in that: the boiler is characterized in that a heat exchange bin (4) is arranged between the upper boiler barrel (1) and the lower boiler barrel (2), a combustion chamber (3) is arranged at one end of the heat exchange bin (4), a chain grate (5) is arranged at the bottom of the combustion chamber (3), an insulating layer (33) is arranged on the inner wall of the combustion chamber (3), a front arch (31) is arranged on one side of the combustion chamber (3), a rear arch (32) is arranged on the other side of the combustion chamber, a secondary air pipe (36) is arranged on the inner wall of the front arch (31), a hopper (35) is arranged at one end of the combustion chamber (3), a plurality of air regulating ports (51) are arranged on the side wall of the bottom of the chain grate (5), a slag falling port (52) is arranged at one end bottom of the chain grate (5), the upper boiler barrel (1) is connected with the lower boiler barrel (2) through a plurality of convection tube bundles (6), a plurality of smoke folding walls (8) are arranged inside the heat exchange bin (4), and ash discharging ports (42) are arranged at the bottom of the heat exchange bin (4).
2. The biomass-fired water tube steam boiler of claim 1, wherein: an upper blow-down pipe (11) is arranged at the bottom of the upper boiler barrel (1), and a lower blow-down pipe (21) is arranged at the bottom of the lower boiler barrel (2).
3. The biomass-fired water tube steam boiler of claim 1, wherein: one end of the upper boiler barrel (1) is provided with an inspection port (12), the other end of the upper boiler barrel (1) is provided with a liquid level meter (17), and the top of the upper boiler barrel (1) is provided with a steam-water separator (13), a main steam valve tube seat (14), an auxiliary steam valve tube seat (15) and a lifting lug (16) in sequence.
4. The biomass-fired water tube steam boiler of claim 1, wherein: one end of the heat exchange bin (4) is provided with a smoke outlet (41).
5. The biomass-fired water tube steam boiler of claim 1, wherein: the side wall of the combustion chamber (3) is provided with a fire poking door (34).
6. The biomass-fired water tube steam boiler of claim 1, wherein: the inner wall of the heat exchange bin (4) is provided with a plurality of water cooling wall pipes (7).
7. The biomass-fired water tube steam boiler of claim 1, wherein: the top of the upper boiler barrel (1) is connected with a water supply pipe (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321111229.3U CN219656035U (en) | 2023-05-10 | 2023-05-10 | Biomass-fired water pipe steam boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321111229.3U CN219656035U (en) | 2023-05-10 | 2023-05-10 | Biomass-fired water pipe steam boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219656035U true CN219656035U (en) | 2023-09-08 |
Family
ID=87853156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321111229.3U Active CN219656035U (en) | 2023-05-10 | 2023-05-10 | Biomass-fired water pipe steam boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219656035U (en) |
-
2023
- 2023-05-10 CN CN202321111229.3U patent/CN219656035U/en active Active
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