CN219955653U - Novel biomass-fired hot water boiler - Google Patents
Novel biomass-fired hot water boiler Download PDFInfo
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- CN219955653U CN219955653U CN202321143054.4U CN202321143054U CN219955653U CN 219955653 U CN219955653 U CN 219955653U CN 202321143054 U CN202321143054 U CN 202321143054U CN 219955653 U CN219955653 U CN 219955653U
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- hot water
- boiler
- chain
- furnace
- novel biomass
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 239000000779 smoke Substances 0.000 claims abstract description 21
- 238000007689 inspection Methods 0.000 claims abstract description 10
- 239000002918 waste heat Substances 0.000 claims description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000003546 flue gas Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 239000004071 soot Substances 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims 1
- 239000002028 Biomass Substances 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract description 2
- 239000002956 ash Substances 0.000 description 16
- 238000004140 cleaning Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 239000002585 base Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Abstract
The utility model discloses a novel biomass-fired hot water boiler, which comprises a chain furnace, a base below the chain furnace, an upper boiler barrel and a lower boiler barrel, wherein a feed hopper is arranged on the front side of the chain furnace, a hearth is arranged on the front part of the chain furnace, a convection tube bundle is arranged on the rear part of the chain furnace, a plurality of ash removal inspection doors are arranged on the convection tube bundle, the upper boiler barrel is arranged above the chain furnace, the lower boiler barrel is arranged below the convection tube bundle on the rear part of the chain furnace, and the rear side of the chain furnace is connected with a vertical smoke tube type energy saver through a connecting flue. The novel biomass-fired hot water boiler has the advantages that the lower boiler barrel is arranged at the rear part below the chain boiler, so that the boiler structure is more compact, the chain boiler is integrally assembled and delivered, and the manufacturing, transporting and installing cost is reduced; according to the characteristics of biomass particle fuel, the feeder hopper with the locker and the secondary air device are arranged, a plurality of smoke return strokes are arranged, the smoke stay and heat exchange time is increased, a large-space convection tube bundle is arranged in a multi-return stroke sequence, a plurality of inspection doors and ash falling devices are arranged, and the combustion and heat exchange efficiency is improved.
Description
Technical Field
The utility model relates to the field of boilers, in particular to a novel biomass-fired hot water boiler.
Background
The hot water boiler includes electric hot water boiler, oil burning hot water boiler, gas burning hot water boiler, coal burning hot water boiler, etc. the hot water boiler is one kind of heat energy equipment to heat water to rated temperature with heat energy released by burning fuel or other heat energy, such as electric energy, solar energy, etc. The traditional double-drum water pipe type chain grate boiler is of an upper-lower two-support assembled structure, the upper part is provided with a chain grate heat exchange surface, and the lower part is provided with a chain grate component.
Patent 202220541600.9 discloses a fire living beings boiler structure relates to material boiler technical field. Including hot-water chamber, combustion chamber and crushing room, the fixed combustion chamber that is provided with in bottom of hot-water chamber, the fixed crushing room that is provided with in one side of hot-water chamber, the inside both sides of crushing room all are provided with crushing roller, the fixed pivot that is provided with of inner wall of crushing roller, the one end and the output shaft fixed connection of crushing motor of pivot, be provided with the screen cloth under the crushing roller, the fixed joint seat that is provided with in bottom of screen cloth, the bottom activity of joint seat is provided with the mount pad, the fixed vibrating motor that is provided with in bottom of mount pad, the through-hole has been seted up to the inboard of mount pad, and the inner wall activity of through-hole is provided with the gim peg. The structure has low fuel utilization rate, low heat exchange efficiency and inconvenient dust cleaning.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art and provides a novel biomass-fired hot water boiler.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a novel fire living beings boiler, includes the base of chain stove and chain stove below, still includes upper boiler barrel, lower boiler barrel, the chain stove front side is equipped with the feeder hopper of taking the lock glassware, the chain stove front portion is furnace, and the rear portion is equipped with the convection bank, the convection bank is equipped with a plurality of deashing inspection doors, upper boiler barrel locates the chain stove top, and lower boiler barrel locates the convection bank below at chain stove rear portion, and the chain stove rear side passes through the connection flue and connects vertical smoke tube formula economizer.
Furthermore, the hearth is provided with a front arch, and the lower part of the front arch is provided with a secondary air device.
Further, the hearth is provided with a rear arch, and the rear arch is provided with a fire-blocking wall which divides the rear arch into a hearth and a burn-out chamber.
Further, the convection banks are arranged in a spacing type in-line manner, and the partition walls divide the convection banks into three flue gas return strokes.
Furthermore, a plurality of ash removal inspection doors are arranged on two sides of the convection bank, and a furnace door and an ash discharge valve are arranged at the bottom of the convection bank.
Furthermore, the upper boiler barrel is divided into a cold water area and a hot water area through a baffle, backwater of the chain furnace enters the cold water area, backwater enters the lower boiler barrel and the lower header through a down pipe, then enters the hot water area through a rising pipe, and hot water is output from a water outlet pipe seat.
Further, the lower boiler barrel and the lower header are provided with a sewage pipe seat.
Further, the vertical smoke tube type energy-saving device comprises a normal pressure waste heat water tank and smoke boxes arranged at the upper end and the lower end of the normal pressure waste heat water tank, and the smoke boxes are provided with ash removal doors.
Further, a heat preservation furnace wall is arranged on the outer side of the chain furnace, and an outer steel frame is arranged on the outer side of the heat preservation furnace wall.
Further, a soot blower is arranged at the rear side of the chain furnace in the flue.
By adopting the technical scheme of the utility model, the beneficial effects of the utility model are as follows: the novel biomass-fired hot water boiler has the advantages that the lower boiler barrel is arranged at the rear part below the chain boiler, so that the boiler structure is more compact, the chain boiler is integrally assembled and delivered, and the manufacturing, transporting and installing cost is reduced; according to the characteristics of biomass particle fuel, the design is carried out, the feed hopper with the locker and the secondary air device are arranged, a plurality of smoke return strokes are arranged, the smoke stay and heat exchange time is increased, the convection bank is designed according to the high concentration characteristic of the smoke fly ash of the biomass boiler, the large-space convection bank is arranged in a multi-return stroke sequence mode, a plurality of inspection doors and ash falling devices are arranged, and the combustion and heat exchange efficiency is improved.
Drawings
FIG. 1 is a schematic side view of a novel biomass-fired hot water boiler provided by the utility model;
FIG. 2 is a schematic diagram of a front view of a novel biomass-fired hot water boiler provided by the utility model;
fig. 3 is a schematic top view of the novel biomass-fired hot water boiler provided by the utility model.
The device comprises a chain furnace, a base, a steel frame, a heat-preserving furnace wall, a platform escalator, a pipeline valve instrument, a soot blower, a partition wall, a 9, an ash dropping pipe, a 10 measuring point arrangement, a 11 normal-pressure waste heat water tank, a 12 secondary air device, a 13 connecting flue, a 14, a feed hopper, a 15, a front arch, a 16, a rear arch, a 17, a fire-blocking wall, a 18, a hearth, a 19, an ash burning chamber, a 20, a convection tube bundle, a 21, an ash cleaning inspection door, a 22, a furnace door, a 23, an upper boiler barrel, a 24, a lower boiler barrel, a 25, a pollution discharge tube seat, a 26, an outlet tube seat, a 27, a smoke box, a 28 and an ash cleaning door.
Detailed Description
Specific embodiments of the present utility model will be further described with reference to the accompanying drawings.
As shown in the figure, the novel biomass-fired hot water boiler comprises a chain furnace 1 and a base 2 below the chain furnace 1, wherein a heat-preservation furnace wall 4 is arranged outside the chain furnace 1, an outer-wrapping steel frame 3 is arranged outside the heat-preservation furnace wall 4, and a platform staircase 5 is arranged outside the outer-wrapping steel frame 3.
The chain furnace 1 further comprises an upper drum 23 and a lower drum 24, and a pipeline valve instrument 6 is arranged above the upper drum 23. The front side of the chain furnace 1 is provided with a feed hopper 14 with a locker, namely a star-shaped discharge valve, which is used for adjusting the feeding amount and preventing tempering. An ash falling hopper 9 is also arranged below the feed hopper 14. The front part of the chain furnace 1 is provided with a hearth 18, the rear part of the chain furnace 1 is provided with a convection bank 20, the convection bank 20 is provided with a plurality of ash removal inspection doors 21, the upper boiler barrel 23 is arranged above the chain furnace 1, and the lower boiler barrel 24 is arranged below the convection bank 20 at the rear part of the chain furnace 1, so that the height of the boiler is reduced, and the structure is more compact. The rear side of the chain furnace 1 is connected with a vertical smoke tube type energy saver through a connecting flue 13, and a soot blower 7 is arranged in the flue at the rear side of the chain furnace 1.
The measuring points are arranged and disposed at the locations indicated by 10 in the figure.
The furnace 18 is provided with a front arch 15, and the lower part of the front arch 15 is provided with a overgrate air device 12.
The furnace 18 is provided with a rear arch 16, the rear arch 16 is provided with a fire-blocking wall 17, and the fire-blocking wall 17 divides the rear arch 16 into the furnace 18 and a burn-out chamber 19. Increase the radiation of the furnace wall of the furnace 18, improve the temperature of the furnace 18, prolong the shutdown time of high-temperature flue gas in the furnace and improve the burnout rate. The hearth 18 adopts a membrane water cooled wall, so that the heat exchange area is increased, the sealing performance of the hearth 18 is improved, and the air leakage is reduced.
The furnace 18 and the burning-out chamber 19 have large volumes, the residence time of the flue gas is long, the radiation heating area is large, the temperature of the flue gas is ensured to be reduced below 700 ℃, the temperature is lower than the ash softening temperature (the melting point of biomass ash containing alkali metal is lower), and the ash deposition of the convection bank 20 is effectively prevented.
The convection bank 20 is arranged in sequence at intervals, the general distance is larger, dust accumulation is reduced and prevented, dust accumulation cleaning is convenient to carry out, the partition wall 8 divides the convection bank 20 into three smoke return strokes, the smoke flow rate is improved, the stroke length (furnace stopping time) in the furnace is prolonged, and the heat exchange efficiency is improved.
A plurality of ash removal inspection doors 21 are arranged on two sides of the convection bank 20, and a furnace door 22 and an ash discharge valve are arranged at the bottom of the convection bank 20. The convection bank 20 deposition is conveniently cleared up, the heated surface is kept clean, and the heat exchange efficiency is improved.
The interior of the upper boiler barrel 23 is divided into a cold water area and a hot water area by a baffle, the backwater of the chain furnace 1 enters the cold water area, the backwater enters the lower boiler barrel 24 and the lower header through a down pipe, and then enters the hot water area through a rising pipe, and the hot water is output from the water outlet pipe seat 26. The cold water area, the hot water area, the downcomers and the risers are not shown in the drawings, and are not described in detail herein as the prior art means.
The lower drum 24 and the lower header are provided with a blow-off pipe seat 25.
The vertical smoke tube type energy-saving device further reduces the smoke discharging temperature and improves the heat efficiency, and comprises a normal pressure waste heat water tank 10 and smoke boxes 27 arranged at the upper end and the lower end of the normal pressure waste heat water tank 10, wherein the smoke boxes 27 are provided with ash removal doors 28.
Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.
Claims (10)
1. The utility model provides a novel fire living beings boiler, includes the base of chain stove and chain stove below, its characterized in that still includes upper boiler barrel, lower boiler barrel, the chain stove front side is equipped with the feeder hopper of taking the lock glassware, the chain stove front portion is furnace, and the rear portion is equipped with the convection bank, the convection bank is equipped with a plurality of deashing inspection doors, upper boiler barrel locates the chain stove top, and lower boiler barrel locates the convection bank below at chain stove rear portion, and the chain stove rear side passes through the connection flue and connects vertical flue pipe formula economizer.
2. A novel biomass-fired hot water boiler as claimed in claim 1, wherein the furnace is provided with a front arch, and the lower part of the front arch is provided with a secondary air device.
3. A novel biomass-fired hot water boiler as claimed in claim 1, wherein the furnace is provided with a rear arch provided with a fire barrier wall dividing the rear arch into a furnace and a burn-out chamber.
4. The novel biomass-fired hot water boiler of claim 1, wherein the convection banks are spaced in-line, and the partition separates the convection banks into three flue gas passes.
5. The novel biomass-fired hot water boiler according to claim 1, wherein a plurality of ash removal inspection doors are arranged on two sides of the convection bank, and a furnace door and an ash discharge valve are arranged at the bottom of the convection bank.
6. The novel biomass-fired hot water boiler according to claim 1, wherein the upper drum is divided into a cold water area and a hot water area by a baffle, return water of the chain furnace enters the cold water area, return water enters the lower drum and the lower header through a down pipe, and then enters the hot water area through a riser, and hot water is output from a water outlet pipe seat.
7. The novel biomass-fired hot water boiler as claimed in claim 6, wherein the lower drum and the lower header are provided with a blow-down pipe seat.
8. The novel biomass-fired hot water boiler according to claim 1, wherein the vertical smoke tube type energy saver comprises a normal pressure waste heat water tank and smoke boxes arranged at the upper end and the lower end of the normal pressure waste heat water tank, and the smoke boxes are provided with ash removal doors.
9. The novel biomass-fired hot water boiler according to claim 1, wherein a heat-preserving furnace wall is arranged on the outer side of the chain furnace, and an outer-wrapping steel frame is arranged on the outer side of the heat-preserving furnace wall.
10. The novel biomass-fired hot water boiler according to claim 1, wherein a soot blower is arranged in the flue at the rear side of the chain furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321143054.4U CN219955653U (en) | 2023-05-12 | 2023-05-12 | Novel biomass-fired hot water boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321143054.4U CN219955653U (en) | 2023-05-12 | 2023-05-12 | Novel biomass-fired hot water boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219955653U true CN219955653U (en) | 2023-11-03 |
Family
ID=88536834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321143054.4U Active CN219955653U (en) | 2023-05-12 | 2023-05-12 | Novel biomass-fired hot water boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219955653U (en) |
-
2023
- 2023-05-12 CN CN202321143054.4U patent/CN219955653U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |