CN203323180U - Boiler device using saw dust renewable energy as fuel - Google Patents
Boiler device using saw dust renewable energy as fuel Download PDFInfo
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- CN203323180U CN203323180U CN2013203281332U CN201320328133U CN203323180U CN 203323180 U CN203323180 U CN 203323180U CN 2013203281332 U CN2013203281332 U CN 2013203281332U CN 201320328133 U CN201320328133 U CN 201320328133U CN 203323180 U CN203323180 U CN 203323180U
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- heat exchanger
- grate
- boiler
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Abstract
The utility model discloses a boiler device using saw dust renewable energy as a fuel. The boiler device comprises a hearth, wherein a grate is arranged in the hearth; a cyclone air distribution device is arranged above the grate; a heat exchanger is arranged above the cyclone air distribution device; the aperture ratio of the grate is 30 percent; the cyclone air distribution device comprises a plurality of air distribution pipes on upper and lower layers; the air distribution pipes are horizontally arranged; air distribution ports are formed every 500 mm and 900 mm respectively by using the grate surface as a baseline; the air distribution ports are divided into upper and lower layers and are arranged in a staggering manner; the axis of the air distribution ports and the horizontal direction form an angle of 60 degrees; the heat exchanger comprises a plurality of heat exchange pipes; the outer walls of the heat exchange pipes are provided with a plurality of elastic sheets. The boiler device is a novel environment-friendly, energy-saving and high-efficiency boiler and has high degree of automation, the labor intensity of operation personnel can be effectively relieved, meanwhile, the heat conversion efficiency is improved, the exhaust gas temperature is reduced, and the renewable energy resources such as saw dust are used as the fuel for the heat source, so that the effective utilization of the biomass resource is guaranteed.
Description
Technical field
The utility model relates to a kind of boiler plant, relates in particular to a kind of boiler plant that the sawdust renewable sources of energy are fuel of take.
Background technology
At present, the heating boiler on market is main mainly with fire coal, and its thermic load is less, so its thermal efficiency of the boiler of the type is not high, and environmental pollution is also serious; Along with country advocates low-carbon economy, energy-saving and emission-reduction, the call of optimization of ecological environment, the current fire coal of take is that the heating boiler equipment of leading more and more is not suitable with the current social growth requirement.
Biomass material is widely distributed, be convenient to draw materials, the exhausted type energy such as petroleum replacing coal fully, such as take the renewable sources of energy such as sawdust, be fuel, the boiler that the sawdust renewable sources of energy of take are fuel has huge market prospects, take the 0.7MW boiler as example, within 1 year, uses 1000, can save more than 70 ten thousand tons, mark coal every year, reduce more than 100 ten thousand tons of CO2 emissions.The utility model is for hot system etc. for community heating, rural area remote areas heating, Heat system by heating air and low side, made a kind of novel boiler plant that the renewable sources of energy are fuel of take.
The utility model content
The problem existed for solving prior art, the utility model discloses a kind of boiler plant that the sawdust renewable sources of energy are fuel of take, and this device has alleviated labor intensity of operating staff effectively, improves thermal transition efficiency simultaneously, the reduction exhaust gas temperature.
For achieving the above object, concrete scheme of the present utility model is as follows:
A kind ofly take the boiler plant that the sawdust renewable sources of energy are fuel, comprise burner hearth, be provided with fire grate in burner hearth, the top of fire grate is provided with the eddy flow air distribution device, and the top of eddy flow air distribution device is provided with heat exchanger;
The percent opening 30% of described fire grate;
Described eddy flow air distribution device comprises bilevel a plurality of aid distributing pipe, and the aid distributing pipe horizontal positioned be take grate surface as benchmark, interval 500mm and 900mm arrange respectively air distribution outlet, air distribution outlet is divided into two-layer up and down, the stagger arrangement discharge, and the air distribution outlet axis is from the horizontal by 60 ° of angles;
Described heat exchanger comprises a plurality of heat exchanger tubes, at the outer wall of heat exchanger tube, is provided with a plurality of shell fragments;
The air distribution of burner hearth is divided into air distribution and secondary air distribution, and air distribution enters into burner hearth by the perforate of stoker surface; The secondary air distribution directly enters burner hearth by aid distributing pipe, the secondary air distribution adopts the eddy flow air distribution structure, take grate surface as benchmark in burner hearth, interval 500mm and 900mm arrange air distribution outlet respectively, upper and lower two-layer air port stagger arrangement discharge, layered arrangement like this, both guaranteed the oxygen demand of combustion air flow, can make again air in burner hearth form the mixed flow burning, thereby guarantee that in fuel, volatile matter fully burns, greatly improve efficiency of combustion.
Heat exchanger adopts the augmentation of heat transfer structure, and flue gas is walked shell side, for enhanced heat exchange, at the heat exchanger tube outer wall, shell fragment is set, and the disturbance of smoke gas flow band spring plate reduces the heat exchange thermal resistance, has improved heat exchange efficiency.Fire grate adopts chain drive structure, and fire grate percent opening 30%, along with burning is rotated, guarantees that an enough wind enters into burner hearth, has guaranteed that fire grate is fully cooling, has realized automatic feed and self-skimming in the fire grate motion in addition.
Heat exchanger is for the heat exchange of biomass combustion after heat flue gas process multi-stage return, so the multipaths disturbance shell fragment heat exchange structure of this equipment employing, guarantees that the boiler export flue-gas temperature is controlled at 120～160 ℃.
The beneficial effects of the utility model:
This boiler plant is a kind of novel environment protection energy-saving efficient boiler, and automaticity is high, has effectively alleviated labor intensity of operating staff, improve thermal transition efficiency simultaneously, reduce exhaust gas temperature, it is fuel that thermal source be take the renewable sources of energy such as sawdust, thereby has guaranteed that biomass resource effectively utilizes.
Furnace grate ventilation percent opening 30%, its function can guarantee the burning of the cooling and fixed carbon of fire grate, fire grate moves at low temperatures, both safe and reliable, can increase the service life again; Fire grate is chain drive structure simultaneously, along with burning is rotated, has guaranteed that fire grate is fully cooling on the one hand, can realize on the other hand automatically removing lime-ash.
Heat exchanger is for the heat exchange of biomass combustion after heat flue gas process multi-stage return, at the smoke pipe outer wall, active shell fragment is set simultaneously, when the smoke-shock pipeline, active shell fragment is driven lower vibrations by air-flow, reduce thermal resistance, improve the coefficient of heat transfer, strengthen heat transfer effect, therefore this equipment adopts multipaths disturbance shell fragment heat exchange structure, guarantees that the boiler export flue-gas temperature is controlled at 120～160 ℃.
The accompanying drawing explanation
Fig. 1 structure chart of the present utility model;
The enlarged drawing of Fig. 2 heat exchanger of the present utility model;
The top view of Fig. 3 aid distributing pipe of the present utility model;
In figure, 1 fire grate, 2 aid distributing pipes, 3 heat exchanger tubes, 4 shell fragments.
The specific embodiment:
Below in conjunction with accompanying drawing, the utility model is elaborated:
As Figure 1-3, a kind ofly take the boiler plant that the sawdust renewable sources of energy are fuel, comprise burner hearth, be provided with fire grate 1 in burner hearth, the top of fire grate 1 is provided with the eddy flow air distribution device, and the top of eddy flow air distribution device is provided with heat exchanger;
The percent opening 30% of described fire grate 1;
Described eddy flow air distribution device comprises bilevel a plurality of aid distributing pipe 2, and aid distributing pipe 2 horizontal positioned be take grate surface as benchmark, interval 500mm and 900mm arrange respectively air distribution outlet, air distribution outlet is divided into two-layer up and down, the stagger arrangement discharge, and the air distribution outlet axis is from the horizontal by 60 ° of angles;
Described heat exchanger comprises a plurality of heat exchanger tubes 3, at the outer wall of heat exchanger tube 3, is provided with a plurality of shell fragments 4;
The air distribution of burner hearth is divided into air distribution and secondary air distribution, and air distribution enters into burner hearth by the perforate on fire grate 1 surface; The secondary air distribution directly enters burner hearth by aid distributing pipe 2, the secondary air distribution adopts the eddy flow air distribution structure, take grate surface as benchmark in burner hearth, interval 500mm and 900mm arrange air distribution outlet respectively, upper and lower two-layer air port stagger arrangement discharge, layered arrangement like this, both guaranteed the oxygen demand of combustion air flow, can make again air in burner hearth form the mixed flow burning, thereby guarantee that in fuel, volatile matter fully burns, greatly improve efficiency of combustion.
Heat exchanger adopts the augmentation of heat transfer structure, and flue gas is walked shell side, for enhanced heat exchange, at heat exchanger tube 3 outer walls, shell fragment 4 is set, and 4 disturbances of smoke gas flow band spring plate reduce the heat exchange thermal resistance, have improved heat exchange efficiency.Fire grate 1 adopts chain drive structure, and fire grate 1 percent opening 30%, along with burning is rotated, guarantees that an enough wind enters into burner hearth, has guaranteed that fire grate 1 is fully cooling, and fire grate fortune 1 has realized automatic feed and self-skimming in moving in addition.
Heat exchanger is for the heat exchange of biomass combustion after heat flue gas process multi-stage return, so the multipaths disturbance shell fragment heat exchange structure of this equipment employing, guarantees that the boiler export flue-gas temperature is controlled at 120～160 ℃.
Claims (4)
1. take the boiler plant that the sawdust renewable sources of energy are fuel for one kind, it is characterized in that, comprise burner hearth, be provided with fire grate in burner hearth, the top of fire grate is provided with the eddy flow air distribution device, and the top of eddy flow air distribution device is provided with heat exchanger.
2. a kind of boiler plant that the sawdust renewable sources of energy are fuel of take as claimed in claim 1, is characterized in that the percent opening 30% of described fire grate.
3. a kind of boiler plant that the sawdust renewable sources of energy are fuel of take as claimed in claim 1, it is characterized in that, described eddy flow air distribution device comprises bilevel a plurality of aid distributing pipe, the aid distributing pipe horizontal positioned, take grate surface as benchmark, and interval 500mm and 900mm arrange respectively air distribution outlet, and air distribution outlet is divided into two-layer up and down, the stagger arrangement discharge, the air distribution outlet axis is from the horizontal by 60 ° of angles.
4. a kind of boiler plant that the sawdust renewable sources of energy are fuel of take as claimed in claim 1, is characterized in that, described heat exchanger comprises a plurality of heat exchanger tubes, at the outer wall of heat exchanger tube, is provided with a plurality of shell fragments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203281332U CN203323180U (en) | 2013-06-07 | 2013-06-07 | Boiler device using saw dust renewable energy as fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203281332U CN203323180U (en) | 2013-06-07 | 2013-06-07 | Boiler device using saw dust renewable energy as fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203323180U true CN203323180U (en) | 2013-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203281332U Expired - Lifetime CN203323180U (en) | 2013-06-07 | 2013-06-07 | Boiler device using saw dust renewable energy as fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203323180U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107884A (en) * | 2019-04-29 | 2019-08-09 | 航天科工哈尔滨风华有限公司电站设备分公司 | A kind of efficiently low NOXBurning zone fires device |
| CN111609395A (en) * | 2020-06-18 | 2020-09-01 | 临沂木子原热能科技有限公司 | Biomass boiler and method for supplying heat by using biomass combustion |
-
2013
- 2013-06-07 CN CN2013203281332U patent/CN203323180U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107884A (en) * | 2019-04-29 | 2019-08-09 | 航天科工哈尔滨风华有限公司电站设备分公司 | A kind of efficiently low NOXBurning zone fires device |
| CN111609395A (en) * | 2020-06-18 | 2020-09-01 | 临沂木子原热能科技有限公司 | Biomass boiler and method for supplying heat by using biomass combustion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |