CN204478019U - One prevents living beings coking boiler - Google Patents
One prevents living beings coking boiler Download PDFInfo
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- CN204478019U CN204478019U CN201520143520.8U CN201520143520U CN204478019U CN 204478019 U CN204478019 U CN 204478019U CN 201520143520 U CN201520143520 U CN 201520143520U CN 204478019 U CN204478019 U CN 204478019U
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- steam
- distribution plenum
- conveying pipe
- pressure
- coking
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Abstract
The utility model discloses one and prevent living beings coking boiler, comprise distribution plenum, traveling-grate stoker, steam conveying pipe, gas-distributing cylinder, pressure-reducing valve, Pressure gauge and steam and portal, distribution plenum is arranged on below traveling-grate stoker; Steam conveying pipe is arranged on the centre position above distribution plenum inner air-distributing elbow, is fixed on the oblique framed side wallboard of distribution plenum by support; Steam conveying pipe is connected with gas-distributing cylinder by pressure-reducing valve; Steam conveying pipe before entering distribution plenum is also provided with Pressure gauge, and Pressure gauge is positioned at the front end of pressure-reducing valve; The steam conveying pipe being positioned at distribution plenum inside is provided with steam portal; Steam portals and aims at chain fire-gate primary zone, and arriving in stove fast needs the position that lowers the temperature.Prevent a method for biomass boiler coking, comprise feeding burning and pass into steam two step.Distribution plenum and steam Transportation combine by the utility model, and compact conformation is easy to use, effectively prevent biomass combustion coking, improve burn-off rate, reduce costs applicable industrial production.
Description
Technical field
Patent of the present invention relates to biomass boiler manufacturing technology field, particularly relates to one and prevents living beings coking boiler.
Background technology
Along with growing to energy demand of society, the fossil fuel as main energy sources is promptly reducing.Therefore, find a kind of reproducible alternative energy source, become the focus of social common concern.Biomass energy is a kind of desirable regenerative resource, and its wide material sources, has a large amount of industry every year, agricultural and forest discarded object output.In the energy resource consumption in the current world, biomass energy consumption accounts for 14% of world's total energy consumption, is only second to oil, coal and natural gas, occupies the 4th.Biomass energy is a kind of clean reproducible energy, CO
2discharge, close to zero, therefore utilizes biomass energy all to have important effect to protection of the environment, improvement ecology, raising life of farmers level etc.Biomass fuel, directly as boiler oil, is also a kind of effective way utilizing biomass energy.In recent years, biomass boiler obtains in China and develops rapidly.
Containing a large amount of heavy metals such as potassium, sodium in living beings, ash melting point is low, and coking capacity is very strong.During biomass combustion, lime-ash is easily in stoker surface melting coking, affects living beings Thorough combustion.If do not take measures, then impact ventilate and cannot normal combustion.
Summary of the invention
In order to solve the problems of the prior art, the object of patent of the present invention is to provide one and prevents living beings coking boiler, prevent the lime-ash produced during biomass combustion in stoker surface melting coking, reach the sufficient object of biomass combustion and reduce labor cleaning's coking lime-ash simultaneously, reduce and manually work.
For solving the problem, the technology used in the present invention means are: one prevents living beings coking boiler, it is characterized in that: comprise distribution plenum, traveling-grate stoker, steam conveying pipe, gas-distributing cylinder, pressure-reducing valve, Pressure gauge and steam and portal, described distribution plenum is arranged on chain fire-gate below; Described steam conveying pipe is arranged on the centre position above distribution plenum inner air-distributing elbow, is fixed on the oblique framed side wallboard of distribution plenum by support; Steam conveying pipe is connected with gas-distributing cylinder by pressure-reducing valve, and the steam in gas-distributing cylinder regulates through pressure-reducing valve to be sent in distribution plenum; Steam conveying pipe before entering distribution plenum is also provided with Pressure gauge, and effectively carry out monitoring to the pressure of input and regulate, described Pressure gauge is arranged on the front end of pressure-reducing valve; The steam conveying pipe being positioned at distribution plenum inside offers row's steam portal; Described steam portals and aims at chain fire-gate primary zone, and arriving in stove fast needs the position that lowers the temperature.
Further, described distribution plenum is at least one, according to fire grate length quantification.
Further, the aperture that described steam portals is 3 ~ 5mm, open a steam every 0.2m to portal, this kind of design is according to conventional chain-grate boiler design, according to the length of steam conveying pipe in chain fire-gate width design distribution plenum and can also open the quantity that steam portals.
Further, in steam conveying pipe, steam pressure is less than or equal to 0.1MPa; Also independently can regulate according to the quantity of steam of boiler load to input; Simultaneously also can according to the size of boiler, second, third, the 4th, the 5th or more distribution plenum internal placement steam conveying pipe, to reach better effect.
A kind of use step of biomass boiler coking boiler that prevents is as follows:
(1) steam leads to chain fire-gate primary zone fast: biomass fuel is higher in the ignition temperature in primary zone, and the redox reaction of absorbing heat occurs the carbon in the steam passed into and living beings, and equation is H
2o+C → CO+H
2, it effectively reduces primary zone fuel temperature, avoids biomass ash fusion point, prevents coking;
(2), after passing into steam, the gas that its reaction generates has combustion-supporting effect, makes burning more abundant;
(3) saturated vapor passed into is after running into high temperature, and system undergoes rapid expansion, can loosen the ash bed on primary zone, strengthens gas circulation and living beings and air contact surfaces and amasss, improve fuel burn-off rate, prevent coking.
The invention has the beneficial effects as follows:
1. there is steam conveying pipe in distribution plenum laid inside, and on the steam conveying pipe of distribution plenum inside, be furnished with steam portal, realize steam Transportation accurately quick, coordinated by the wind of distribution plenum and saturated steam is led to chain fire-gate primary zone fast, biomass fuel is higher in the ignition temperature in primary zone, there is the redox reaction of absorbing heat in the carbon in the steam passed into and living beings, equation is H
2o+C → CO+H
2, it effectively reduces primary zone fuel temperature, avoids biomass ash fusion point, prevents coking;
2., after passing into steam, the gas that its reaction generates has combustion-supporting effect, makes burning more abundant;
3. the saturated vapor passed into is after running into high temperature, and system undergoes rapid expansion, can loosen the ash bed on primary zone, strengthens gas circulation and living beings and air contact surfaces and amasss, improve fuel burn-off rate;
4. reduce the labour intensity of charred ashes in labor cleaning's stove, while reducing cost of labor, be more suitable for industrial needs;
5. the use of distribution plenum makes burning more abundant, significantly reduce the flying dust entering smoke pipe, and burning fully also can guarantee that chimney is without over-emitting black exhaust phenomenon.
The present invention is by supply air system and the separate control of steam Transportation, combine again in use procedure, realize the compact, simple, easy to use of its structure, effectively can prevent the coking of biomass combustion lime-ash, improve fuel burn-off rate, reduce cost of labor and be more suitable for industrial needs.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical scheme of the present invention is described.
Fig. 1 is structural representation of the present invention.
Fig. 2 is A direction view of the present invention.
Fig. 3 is the inventive method flow chart.
In figure: 1, distribution plenum, 2, traveling-grate stoker, 3, steam conveying pipe, 4, gas-distributing cylinder, 5, pressure-reducing valve, 6, Pressure gauge, 7, steam portals.
Detailed description of the invention
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 shows, one prevents living beings coking boiler, it is characterized in that: comprise distribution plenum, traveling-grate stoker, steam conveying pipe, gas-distributing cylinder, pressure-reducing valve, Pressure gauge and steam and portal, described distribution plenum is arranged on chain fire-gate below; Described steam conveying pipe is arranged on the centre position above distribution plenum inner air-distributing elbow, is fixed on the oblique framed side wallboard of distribution plenum by support; Vapour conveyance conduit is connected with gas-distributing cylinder by pressure-reducing valve, and the steam in gas-distributing cylinder regulates through pressure-reducing valve to be sent in distribution plenum; Steam conveying pipe before entering distribution plenum is also provided with Pressure gauge, and effectively carry out monitoring to the pressure of input and regulate, described Pressure gauge is arranged on the front end of pressure-reducing valve; The steam conveying pipe being positioned at distribution plenum inside offers row's steam portal; Described steam portals and aims at chain fire-gate primary zone, and arriving in stove fast needs the position that lowers the temperature.
Further, described distribution plenum is at least one, according to fire grate length quantification.
Further, described steam aperture of portalling is 3mm, open a steam every 0.2m to portal, this kind of design is according to conventional chain-grate boiler design, according to the length of steam conveying pipe in chain fire-gate width design distribution plenum and can also open the quantity that steam portals.
Further, in steam conveying pipe, steam pressure is less than or equal to 0.1MPa; Also independently can regulate according to the quantity of steam of boiler load to input; Simultaneously also can according to the size of boiler, second, third, the 4th, the 5th or more distribution plenum internal placement steam conveying pipe, to reach better effect.
A kind of use step of biomass boiler coking boiler that prevents is as follows:
(1) steam leads to chain fire-gate primary zone fast: biomass fuel is higher in the ignition temperature in primary zone, and the redox reaction of absorbing heat occurs the carbon in the steam passed into and living beings, and equation is H
2o+C → CO+H
2, it effectively reduces primary zone fuel temperature, avoids biomass ash fusion point, prevents coking;
(2), after passing into steam, the gas that its reaction generates has combustion-supporting effect, makes burning more abundant;
(3) saturated vapor passed into is after running into high temperature, and system undergoes rapid expansion, can loosen the ash bed on primary zone, strengthens gas circulation and living beings and air contact surfaces and amasss, improve fuel burn-off rate, prevent coking.
Embodiment 2
As shown in Figure 1, Figure 2, Figure 3 shows, one prevents living beings coking boiler, it is characterized in that: comprise distribution plenum, traveling-grate stoker, steam conveying pipe, gas-distributing cylinder, pressure-reducing valve, Pressure gauge and steam and portal, described distribution plenum is arranged on chain fire-gate below; Described steam conveying pipe is arranged on the centre position above distribution plenum inner air-distributing elbow, is fixed on the oblique framed side wallboard of distribution plenum by support; Vapour conveyance conduit is connected with gas-distributing cylinder by pressure-reducing valve, and the steam in gas-distributing cylinder regulates through pressure-reducing valve to be sent in distribution plenum; Steam conveying pipe before entering distribution plenum is also provided with Pressure gauge, and effectively carry out monitoring to the pressure of input and regulate, described Pressure gauge is arranged on the front end of pressure-reducing valve; The steam conveying pipe being positioned at distribution plenum inside offers row's steam portal; Described steam portals and aims at chain fire-gate primary zone, and arriving in stove fast needs the position that lowers the temperature.
Further, described distribution plenum is at least one, according to fire grate length quantification.
Further, described steam aperture of portalling is 4mm, open a steam every 0.2m to portal, this kind of design is according to conventional chain-grate boiler design, according to the length of steam conveying pipe in chain fire-gate width design distribution plenum and can also open the quantity that steam portals.
Further, in steam conveying pipe, steam pressure is less than or equal to 0.1MPa; Also independently can regulate according to the quantity of steam of boiler load to input; Simultaneously also can according to the size of boiler, second, third, the 4th, the 5th or more distribution plenum internal placement steam conveying pipe, to reach better effect.
A kind of use step of biomass boiler coking boiler that prevents is as follows:
(1) steam leads to chain fire-gate primary zone fast: biomass fuel is higher in the ignition temperature in primary zone, and the redox reaction of absorbing heat occurs the carbon in the steam passed into and living beings, and equation is H
2o+C → CO+H
2, it effectively reduces primary zone fuel temperature, avoids biomass ash fusion point, prevents coking;
(2), after passing into steam, the gas that its reaction generates has combustion-supporting effect, makes burning more abundant;
(3) saturated vapor passed into is after running into high temperature, and system undergoes rapid expansion, can loosen the ash bed on primary zone, strengthens gas circulation and living beings and air contact surfaces and amasss, improve fuel burn-off rate, prevent coking.
Embodiment 3
As shown in Figure 1, Figure 2, Figure 3 shows, one prevents living beings coking boiler, it is characterized in that: comprise distribution plenum, traveling-grate stoker, steam conveying pipe, gas-distributing cylinder, pressure-reducing valve, Pressure gauge and steam and portal, described distribution plenum is arranged on chain fire-gate below; Described steam conveying pipe is arranged on the centre position above distribution plenum inner air-distributing elbow, is fixed on the oblique framed side wallboard of distribution plenum by support; Vapour conveyance conduit is connected with gas-distributing cylinder by pressure-reducing valve, and the steam in gas-distributing cylinder regulates through pressure-reducing valve to be sent in distribution plenum; Steam conveying pipe before entering distribution plenum is also provided with Pressure gauge, and effectively carry out monitoring to the pressure of input and regulate, described Pressure gauge is arranged on the front end of pressure-reducing valve; The steam conveying pipe being positioned at distribution plenum inside offers row's steam portal; Described steam portals and aims at chain fire-gate primary zone, and arriving in stove fast needs the position that lowers the temperature.
Further, described distribution plenum is at least one, according to fire grate length quantification.
Further, described steam aperture of portalling is 5mm, open a steam every 0.2m to portal, this kind of design is according to conventional chain-grate boiler design, according to the length of steam conveying pipe in chain fire-gate width design distribution plenum and can also open the quantity that steam portals.
Further, in steam conveying pipe, steam pressure is less than or equal to 0.1MPa; Also independently can regulate according to the quantity of steam of boiler load to input; Simultaneously also can according to the size of boiler, second, third, the 4th, the 5th or more distribution plenum internal placement steam conveying pipe, to reach better effect.
A kind of use step of biomass boiler coking boiler that prevents is as follows:
(1) steam leads to chain fire-gate primary zone fast: biomass fuel is higher in the ignition temperature in primary zone, and the redox reaction of absorbing heat occurs the carbon in the steam passed into and living beings, and equation is H
2o+C → CO+H
2, it effectively reduces primary zone fuel temperature, avoids biomass ash fusion point, prevents coking;
(2), after passing into steam, the gas that its reaction generates has combustion-supporting effect, makes burning more abundant;
(3) saturated vapor passed into is after running into high temperature, and system undergoes rapid expansion, can loosen the ash bed on primary zone, strengthens gas circulation and living beings and air contact surfaces and amasss, improve fuel burn-off rate, prevent coking.
The present invention has steam conveying pipe in distribution plenum laid inside, can be coordinated by the wind of distribution plenum and saturated steam is led to chain fire-gate primary zone fast, biomass fuel is higher in the ignition temperature in primary zone, there is the redox reaction of absorbing heat in the carbon in the steam passed into and living beings, equation is H
2o+C → CO+H
2, it effectively reduces primary zone fuel temperature, avoids biomass ash fusion point, prevents coking; After passing into steam, the gas that its reaction generates has combustion-supporting effect, makes burning more abundant; The saturated vapor passed into is after running into high temperature, and system undergoes rapid expansion, can loosen the ash bed on primary zone, strengthens gas circulation and living beings and air contact surfaces and amasss, improve fuel burn-off rate; Achieve the labour intensity reducing charred ashes in labor cleaning's stove simultaneously, while reducing cost of labor, be more suitable for industrial needs; The use of distribution plenum makes burning more abundant, significantly reduce the flying dust entering smoke pipe, and burning fully also can guarantee that chimney is without over-emitting black exhaust phenomenon.
The present invention is by supply air system and the separate control of steam Transportation, combine again in use procedure, realize the compact, simple, easy to use of its structure, effectively can prevent the coking of biomass combustion lime-ash, improve fuel burn-off rate, reduce cost of labor and be more suitable for industrial needs.
Specific implementation process of the present invention is as follows: above fuel combustion zone, pass into steam, and fuel combustion zone temperature is higher, and the redox reaction of absorbing heat occurs the carbon in the steam passed into and living beings, and equation is H
2o+C → CO+H
2, effectively reduce primary zone fuel temperature, avoid biomass ash fusion point, slagging prevention; This reaction simultaneously generates imflammable gas CO and H
2there is combustion-supporting property, improve burn-off rate; And the saturated vapor passed into is after running into high temperature, system undergoes rapid expansion, can loosen the ash bed on primary zone, strengthens gas circulation and living beings and air contact surfaces and amasss, improve fuel burn-off rate equally.
Supply air system and steam Transportation combine by the present invention, realize the compact, simple, easy to use of its structure, effectively can prevent the coking of biomass combustion lime-ash, improve fuel burn-off rate, reduce cost of labor and are more suitable for industrial needs.
Above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited in above-mentioned citing, and the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement also should belong to protection scope of the present invention.
Claims (4)
1. prevent a living beings coking boiler, it is characterized in that: comprise distribution plenum, traveling-grate stoker, steam conveying pipe, gas-distributing cylinder, pressure-reducing valve, Pressure gauge and steam and portal, described distribution plenum is arranged on chain fire-gate below; Described steam conveying pipe is arranged on the centre position above distribution plenum inner air-distributing elbow, is fixed on the oblique framed side wallboard of distribution plenum by support; Steam conveying pipe is connected with gas-distributing cylinder by pressure-reducing valve; Steam conveying pipe before entering distribution plenum is also provided with Pressure gauge, and described Pressure gauge is arranged on the front end of pressure-reducing valve; The steam conveying pipe being positioned at distribution plenum inside offers row's steam portal; Described steam portals and aims at chain fire-gate primary zone.
2. according to claim 1ly prevent living beings coking boiler, it is characterized in that, described distribution plenum is at least one.
3. according to claim 1ly prevent living beings coking boiler, it is characterized in that, the aperture that described steam portals is 3 ~ 5mm, opens a steam portal every 0.2m.
4. according to claim 1ly prevent living beings coking boiler, it is characterized in that, in steam conveying pipe, steam pressure is less than or equal to 0.1MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520143520.8U CN204478019U (en) | 2015-03-14 | 2015-03-14 | One prevents living beings coking boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520143520.8U CN204478019U (en) | 2015-03-14 | 2015-03-14 | One prevents living beings coking boiler |
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| CN204478019U true CN204478019U (en) | 2015-07-15 |
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ID=53633808
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520143520.8U Expired - Fee Related CN204478019U (en) | 2015-03-14 | 2015-03-14 | One prevents living beings coking boiler |
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| CN (1) | CN204478019U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003909A (en) * | 2015-03-14 | 2015-10-28 | 青岛青义锅炉有限公司 | Boiler capable of preventing biomass coking |
| CN110345462A (en) * | 2019-07-12 | 2019-10-18 | 李哲 | A kind of anti-covering layer coking vertical type biomass boiler of steam interception suitable for salix monogolica wood |
-
2015
- 2015-03-14 CN CN201520143520.8U patent/CN204478019U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003909A (en) * | 2015-03-14 | 2015-10-28 | 青岛青义锅炉有限公司 | Boiler capable of preventing biomass coking |
| CN110345462A (en) * | 2019-07-12 | 2019-10-18 | 李哲 | A kind of anti-covering layer coking vertical type biomass boiler of steam interception suitable for salix monogolica wood |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20190314 |