CN203595279U - Biomass vacuum boiler - Google Patents
Biomass vacuum boiler Download PDFInfo
- Publication number
- CN203595279U CN203595279U CN201320831827.8U CN201320831827U CN203595279U CN 203595279 U CN203595279 U CN 203595279U CN 201320831827 U CN201320831827 U CN 201320831827U CN 203595279 U CN203595279 U CN 203595279U
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- China
- Prior art keywords
- heat exchange
- tube bank
- combustion chamber
- exchange housing
- heated tube
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- Expired - Fee Related
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Abstract
The utility model discloses a biomass vacuum boiler which comprises a heat exchange shell, a heating boiler and a heated tube bundle. The heating boiler comprises a material bin, a feeding mechanism and a burning chamber, the feeding mechanism is connected with the material bin and the burning chamber, liquid heat exchange media are stored in the heat exchange shell, the heated tube bundle and the burning chamber are located in the heat exchange shell, an inlet for the heated tube bundle and an outlet for the heated tube bundle are formed in the heat exchange shell, the heated tube bundle is located above the liquid heat exchange media, the burning chamber is located in the liquid heat exchange media, and the air pressure at the position, above the liquid heat exchange media, in the heat exchange shell is lower than the barometric pressure. According to the biomass vacuum boiler, biomass fuel serves as driving energy, the cleaning performance is good, and environmental pollution is less. The vacuum indirect heat transmission principle is used, the boiler burning efficiency is improved, and the heated stability of the heated tube bundle is guaranteed.
Description
Technical field
The utility model relates to a kind of boiler.
Background technology
Along with the fast development of China's modernization of industry, energy-consuming increases day by day, and the natural environment that we depend on for existence is being engulfed in a large amount of energy resource consumptions.In recent years, haze weather is having a strong impact on the living environment of ours around, and the moment is being endangered our healthy.From northeast to northwest, from North China to middle part, cause the Yellow River and Huai He River, the south of the lower reaches of the Yangtze River accordingly, also all occurred large-scale severe and severe contamination.For making up the environment of current China severe contamination and the energy, shortage of resources situation, the development and utilization of clean energy resource has reached instant stage.
Utility model content
The technical problems to be solved in the utility model is: the biomass vacuum boiler that a kind of environmental pollution is little is provided.
In order to solve the problems of the technologies described above, the utility model comprises heat exchange housing, heating furnace and heated tube bank, heating furnace comprises feed bin, feed mechanism and combustion chamber, feed mechanism connects feed bin and combustion chamber, in heat exchange housing, there is liquid heat transfer medium, heated tube bank and combustion chamber are in heat exchange housing, heat exchange housing is provided with heated tube bank import and heated tube bank outlet, described heated tube bank is positioned at the top of liquid heat transfer medium, combustion chamber is in liquid heat transfer medium, and in heat exchange housing, the top air pressure of liquid heat transfer medium is lower than atmospheric pressure.
In order better to transfer heat to liquid heat transfer medium, described heating furnace also comprises smoke pipe tube bank, chimney and two smoke-boxes, chimney is arranged on outside heat exchange housing, the two ends of smoke pipe tube bank are respectively inserted in a smoke-box, in the liquid heat transfer medium of the middle of smoke pipe tube bank in heat exchange housing, one of them smoke-box is communicated with combustion chamber, and another smoke-box is communicated with chimney.
For the ease of adding biomass fuel, in described combustion chamber, be provided with fire grate, fire grate is connected with fire grate speed changer, the bottom of combustion chamber is provided with gravity slag-drip opening, gravity slag-drip opening is positioned at the below of the rear end of fire grate, the front end of fire grate is positioned at the below of the rear end of feed mechanism, and the front end of feed mechanism connects feed bin.
For the ease of biomass fuel combustion, described combustion chamber is provided with automatic ignition system and pressure fan.
For the ease of controlling the vacuum in heat exchange housing, the top of described heat exchange housing is provided with vacuum degree control valve.
In order to improve security, the top of described heat exchange housing is provided with explosion-protection equipment.
In order to reduce the corrosion of heat exchanging housing and interior equipment thereof, described liquid heat transfer medium is deoxygenated water.
The beneficial effects of the utility model are: 1, the utility model is take biomass fuel as drive energy, and spatter property is good, and environmental pollution is little.2, utilize the indirect heat transfer theory of vacuum, improve boiler combustion efficiency, guarantee the stability that heated tube bank is heated, and because heated tube bank does not directly contact with liquid heat transfer medium, medium temperature to input in heated tube bank does not limit, water or other material that can in heated tube bank, input low temperature, can not cause the sudden change of the temperature of liquid heat transfer medium, thereby can not make apparatus body because catching a cold thermal fluctuation variable effect its service life.3, heated partial design is heated tube bank in boiler, and system is withstand voltage height can meet directly to high-rise heat demand.4, heat transfer medium disposable injection after deoxidation treatment, prolonged application, can not cause the inner oxygen candle scale formation of apparatus body, and the long-term efficient stable of heat transfer efficiency, does not produce dry combustion method superheating phenomenon, therefore long service life.
Accompanying drawing explanation
Fig. 1 is internal structure schematic diagram of the present utility model;
Wherein: 1, feed bin, 2, feed mechanism, 3, fire grate, 4, fire grate speed changer, 5, automatic ignition system, 6, pressure fan, 7, gravity slag-drip opening, 8, combustion chamber, 9, smoke-box, 10, heat exchange housing, 11, smoke pipe tube bank, 12, liquid heat transfer medium, 13, heated tube bank, 14, heated tube bank import, 15, heated tube bank outlet, 16, vacuum degree control valve, 17, explosion-protection equipment, 18, smoke-box, 19, chimney.
The specific embodiment
A kind of specific embodiment as shown in Figure 1, it comprises heat exchange housing 10, heating furnace and heated tube bank 13, heating furnace comprises feed bin 1, feed mechanism 2 and combustion chamber 8, feed mechanism connects feed bin 1 and combustion chamber 8, in heat exchange housing 10, there is liquid heat transfer medium 12, heated tube bank 13 and combustion chamber 8 are in heat exchange housing 10, and heat exchange housing 10 is provided with heated tube bank import 14 and heated tube bank outlet 15.The import of heated tube bank 13 is communicated with heated tube bank import 14, and the outlet of heated tube bank 13 is communicated with heated tube bank outlet 15, and this connected mode adopts conventional connected mode.Heated tube bank 13 is positioned at the top of liquid heat transfer medium 12, and combustion chamber 8 is in liquid heat transfer medium 12, and the top air pressure of the interior liquid heat transfer medium 12 of heat exchange housing 10 is lower than atmospheric pressure.Make the upper space of heat exchange housing 10 have certain vacuum.The top of heat exchange housing 10 is provided with vacuum degree control valve 16 and explosion-protection equipment 17.
Heating furnace also comprises smoke pipe tube bank 11, chimney 19, smoke-box 9 and smoke-box 18, chimney 19 is arranged on outside heat exchange housing 10, one end of smoke pipe tube bank 11 is inserted in smoke-box 9, one end of smoke pipe tube bank 11 is inserted in smoke-box 18, in the liquid heat transfer medium 12 of the middle of smoke pipe tube bank 11 in heat exchange housing 10, smoke-box 9 is communicated with combustion chamber 8, and smoke-box 18 is communicated with chimney 19.In combustion chamber 8, be provided with fire grate 3, fire grate 3 is connected with fire grate speed changer 4, and the bottom of combustion chamber 8 is provided with gravity slag-drip opening 7, and gravity slag-drip opening 7 is positioned at the below of the rear end of fire grate 3, the front end of fire grate 3 is positioned at the below of the rear end of feed mechanism 2, and the front end of feed mechanism 2 connects feed bin 1.Combustion chamber 8 is provided with automatic ignition system 5 and pressure fan 6.Liquid heat transfer medium 12 preferably adopts deoxygenated water.
Operation principle: the biomass fuel being stored in feed bin 1 is sent into fire grate 3 by feed mechanism 2, fire grate 3 is sent biomass fuel into combustion chamber 8 by fire grate speed changer 4, biomass fuel is by fully burning heat release under the effect of automatic ignition system 5 and pressure fan 6, the flue gas that burning produces is by smoke-box 9, smoke pipe tube bank 11, smoke-box 18 and chimney 19 enter atmosphere, liquid heat transfer medium 12 in vacuum space is by absorbing combustion chamber 8, smoke-box 9, the heat energy that smoke pipe tube bank 11 and smoke-box 18 discharge and evaporating, form with steam rises, heat energy is discharged to the heated medium in heated tube bank 13, then the heat transfer medium of gaseous state condenses into liquid bottom of falling after rise at heat exchange housing 10.The heat energy of heated medium in heated tube bank 13 by absorbing gaseous heat-transfer medium by temperature increase to user temperature required (in the time that heated medium adopts water, maximum water temperature can reach 90 ℃).
The lime-ash producing after biomass fuel combustion is delivered to gravity slag-drip opening 7 places by fire grate 3, when gravity reaches discharge when gravity outside automatic discharge machine.
In the time that machine internal pressure is too high, explosion-protection equipment 17 meeting automatic-explosions, release machine internal pressure, to stop the generation of potential safety hazard.Make the pressure rises in heat exchange housing 10 and affect while conducting heat when heat transfer medium evaporation in machine produces incoagulable gas, vacuum degree control valve 16 can be discharged incoagulable gas automatically, has also guaranteed the stability and high efficiency of equipment heat transfer efficiency in assurance machine when vacuum.
Claims (7)
1. a biomass vacuum boiler, comprise heat exchange housing, heating furnace and heated tube bank, heating furnace comprises feed bin, feed mechanism and combustion chamber, feed mechanism connects feed bin and combustion chamber, in heat exchange housing, there is liquid heat transfer medium, heated tube bank and combustion chamber are in heat exchange housing, heat exchange housing is provided with heated tube bank import and heated tube bank outlet, it is characterized in that: described heated tube bank is positioned at the top of liquid heat transfer medium, combustion chamber is in liquid heat transfer medium, and in heat exchange housing, the top air pressure of liquid heat transfer medium is lower than atmospheric pressure.
2. biomass vacuum boiler according to claim 1, it is characterized in that: described heating furnace also comprises smoke pipe tube bank, chimney and two smoke-boxes, chimney is arranged on outside heat exchange housing, the two ends of smoke pipe tube bank are respectively inserted in a smoke-box, in the liquid heat transfer medium of the middle of smoke pipe tube bank in heat exchange housing, one of them smoke-box is communicated with combustion chamber, and another smoke-box is communicated with chimney.
3. biomass vacuum boiler according to claim 2, it is characterized in that: in described combustion chamber, be provided with fire grate, fire grate is connected with fire grate speed changer, the bottom of combustion chamber is provided with gravity slag-drip opening, gravity slag-drip opening is positioned at the below of the rear end of fire grate, the front end of fire grate is positioned at the below of the rear end of feed mechanism, and the front end of feed mechanism connects feed bin.
4. biomass vacuum boiler according to claim 3, is characterized in that: described combustion chamber is provided with automatic ignition system and pressure fan.
5. according to the biomass vacuum boiler described in any one in claim 1-4, it is characterized in that: the top of described heat exchange housing is provided with vacuum degree control valve.
6. biomass vacuum boiler according to claim 5, is characterized in that: the top of described heat exchange housing is provided with explosion-protection equipment.
7. biomass vacuum boiler according to claim 6, is characterized in that: described liquid heat transfer medium is deoxygenated water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320831827.8U CN203595279U (en) | 2013-12-17 | 2013-12-17 | Biomass vacuum boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320831827.8U CN203595279U (en) | 2013-12-17 | 2013-12-17 | Biomass vacuum boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203595279U true CN203595279U (en) | 2014-05-14 |
Family
ID=50676157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320831827.8U Expired - Fee Related CN203595279U (en) | 2013-12-17 | 2013-12-17 | Biomass vacuum boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203595279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629817A (en) * | 2013-12-17 | 2014-03-12 | 济南华科热力环保科技有限公司 | Biomass vacuum boiler |
-
2013
- 2013-12-17 CN CN201320831827.8U patent/CN203595279U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629817A (en) * | 2013-12-17 | 2014-03-12 | 济南华科热力环保科技有限公司 | Biomass vacuum boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20191217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |