CN202195490U - Boiler device of combustible biomass pressure block - Google Patents
Boiler device of combustible biomass pressure block Download PDFInfo
- Publication number
- CN202195490U CN202195490U CN2011202682219U CN201120268221U CN202195490U CN 202195490 U CN202195490 U CN 202195490U CN 2011202682219 U CN2011202682219 U CN 2011202682219U CN 201120268221 U CN201120268221 U CN 201120268221U CN 202195490 U CN202195490 U CN 202195490U
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- Prior art keywords
- hearth
- chimney
- burner hearth
- boiler
- heat
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Abstract
The utility model relates to a boiler device of a combustible biomass pressure block. The boiler device comprises a boiler body and a chimney assembled on the boiler body. The section at the upper part of a hearth is in the shape of flame. The ratio of the upper aperture of the hearth to the height of the hearth is 1:(8-10). The ratio of the upper aperture of the hearth to the maximum diameter of the hearth is 1:(3.5-4.5). A charging channel and the axis of the hearth form an angle of 45 degrees. Because of the high and fine spray gun flame shape of the hearth, a radiation section in spray gun flame shape at the upper end and a gasification combustion section at the lower end are formed. When the hearth is low in temperature, heat quantity is difficult to radiate out, so that heat is accumulated in the hearth, and the temperature of the boiler can be increased. When the combustion is quite sufficient, higher temperature can be rapidly achieved in the hearth. Therefore, heat is transmitted to a fire pipe in a radiation manner. The heat efficiency is up to 95%. The boiler device is rational in structure, durable, low in cost, convenient for operation, free from smoke emission and obvious in energy-saving effect. The boiler device is particularly applicable to all kinds of big, small and medium production enterprises, such as fire resistant enterprises, heat preservation enterprises, power generation enterprises, smelting enterprises, food processing enterprises, paper making industries, heating systems and the like. The boiler device has wide popularization and utilization prospect.
Description
Technical field
The utility model relates to a kind of boiler plant of high thermal efficiency.
Background technology
Existing civil boiler or cooking stove are shorter because of burner hearth, and the fire door bore is bigger, thereby the heat transmission between fuel combustion heat and the cold excessively heating surface, make the too early consumption of fuel combustion institute calorific requirement; On the other hand, not only difficult full combustion of fuel but also the difficult realization waste heat realized of existing chamber structure makes full use of.In addition, with equipment such as air blast or air-introduced machines a part of heat is taken in the chimney usually, add the thermosetting draft and waste gas is taken out of to keep burning to chimney; But because not warming chimney only is to be sent to the high-altitude to unburnt flue dust as much as possible, not only contaminated environment does not play any combustion-supporting effect to fuel combustion simultaneously; So be difficult to form the clean-burning enough drafts of burner hearth fuel; Fire box temperature is low, and fuel combustion matter is changeable, coal-fired ignition lag; Fuel is fully burning not, causes boiler thermal output low.According to statistics, the thermal efficiency of general boiler is about 70%, moreover phenomenons such as fuel combustion can cause banking fire, smouldering fire to a certain degree the time, banks up a fire, coking, causes the serious waste of fuel.If oxygen is provided by theoretical air capacity, will inevitably can not reach abundant burning by some fuel, the actual for this reason air capacity of sending into burner hearth is greater than its theoretical air requirement, and burning is carried out under excess air.And excess air certainly will cause furnace temperature to reduce, and influences fuel combustion again, and causes the flue gas volume to heighten, and causes energy waste.
The utility model content
The utility model provides a kind of boiler plant of burning biomass block, to overcome the prior art drawback.For realizing the utility model purpose; This boiler plant comprises body of heater and is assemblied in the chimney on the body of heater; It is characterized in that the burner hearth middle and upper part section in the said body of heater is the flamboyancy shape, burner hearth bore suitable for reading is 1: 8～10 with the furnace height ratio, and burner hearth bore suitable for reading is 1: 3.5～4.5 with the ratio of burner hearth maximum gauge; Feed intake passage axis and the burner hearth axis that are positioned at the burner hearth middle and lower part are 43 °～47 ° angles, are filled with insulation material in the said chimney wall.
Said chimney is a cone structure, and upper and lower mouthful of relative aperture of chimney is 1: 2.
Said insulation material is selected the hydrophobic pearlite material of extrusion molding for use.
Said chimney breast end is equiped with top cover.
The flue collector top of said upper furnace is provided with capping.
The technological progress that the utility model is obtained: 1. owing to become high chamber design and thin spray gun flame profile, promptly form the radiant section and the gasification, and combustion section of lower end of the spray gun flame profile of upper end, and roof of the furnace outlet bore and radiant section maximum gauge than and with the chamber structure of furnace height than formation; The outlet bore of existing burner hearth is little, has reduced the contact area with heating surface, when burner hearth low temperature; Heat is difficult to spread out of from less outlet; Make heat in the burner hearth accumulated, thereby help the rising of fire box temperature, under the abundant situation of burning; Can reach higher temperature fast in the burner hearth, thereby help conducting heat to fire tube with forms of radiation.
2. be provided with top cover owing to the chimney breast end, the flue collector top is provided with capping, thereby can or close top cover and capping according to boiler required firepower size unlatching, can be with top cover, capping Close All in the time of need ceasing fire like boiler; Top cover, capping are slowly opened and in stove, added fuel gradually, and boiler is normal operation input immediately just, needn't pass through long ignition trigger, and start-stop freely, reduces the ignition trigger time.
3. because chimney is the taper insulation chimney that is filled with insulation material, thereby only need heat seldom just can form draft, when fuel combustion initial stage or furnace temperature are not high, can make chimney receive the thermosetting draft, impel burning to carry out fast; Increasingly high and form enough drafts and make burning when being tending towards vigorous when stack temperature; Can close capping fire tube is heated, because the insulation effect of chimney, only need heat seldom just can form very strong draft and promote that sufficient combustion carries out; Form self-service oxygen supply, need not air-supply, air inducing equipment.In the time need not heating, available top cover is regulated the sealing chimney, makes stack temperature be kept above the external environment equilibrium temperature.The utility model can fundamentally overcome disadvantages such as the fuel combustion that present boiler combustion exists is insufficient, energy waste, contaminated environment, with plain cylindrical furnace relatively, the thermal efficiency is up to 95%; Can practice thrift biomass block fuel 30%～50%, comparable plain cylindrical furnace improves about 1 times of furnace temperature, and is rational in infrastructure; Durable in use, cheap, easy to operate; Fuel such as stalk briquette, coal can obtain completing combustion, and smokeless can effectively reduce the chimney heat and scatter and disappear; Energy-saving effect is remarkable, especially is fit to manufacturing enterprises such as various large, medium and small fire-resistant, insulations, generating, smelting, food processing, paper-making industry, heating system, possesses utilization and extention prospect widely.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further.
Fig. 1 is the utility model overall structure sketch map.
The specific embodiment
As shown in Figure 1; The boiler plant of this burning biomass block fuel comprises body of heater 10 and is assemblied in the chimney 6 on the body of heater 10; Burner hearth 3 middle and upper part sections in the said body of heater 10 are the flamboyancy shape of spray gun; The bore suitable for reading of burner hearth 3 and the aspect ratio of burner hearth 3 are 1: 8～10, and this ratio of present embodiment is 1: 10, and the height of said burner hearth 3 is that the suitable for reading of burner hearth 3 is that crater is to the distance between fire grate; Burner hearth 3 bores suitable for reading are 1: 3.5～4.5 with the ratio of burner hearth 3 maximum gauges, and this ratio of present embodiment is 1: 4, and the axis and the axis of burner hearth 3 that are positioned at the passage 2 that feeds intake of burner hearth 3 middle and lower parts are 43 °～47 ° angles, and this angle of present embodiment is 45 °; Said chimney 6 is cone structure or tubular structure, and present embodiment chimney 6 is a cone structure, and the ratio of its upper and lower mouthful of bore is 1: 2.Be filled with the hydrophobic pearlite heat insulating material 7 of extrusion molding in chimney 6 walls, this insulation chimney 6 outer walls are the fiberglass protective layer, and internal layer can adopt the vacuum plating silver glass tube or the iron sheet of good heat insulating, the outer refractory cement material that adopts monolithic extruded moulding.For adapting to the variation of summer, solar term temperature variation in winter and needs amount of heat, installed top cover 8 at the port of export of chimney 6, and be provided with capping 9 at the top of the flue collector 5 on burner hearth 3 tops.
The utility model course of work is: combustibles such as crop material briquette-fuel or coal, agriculture and forestry organic waste material, timber, excrement of animals burn through the bottom that the passage 2 that feeds intake drops into burner hearth 3; When burning initial stage and furnace temperature are not high; Reduce as far as possible and conduct heat to heating surface; This moment, heat was distributed to insulation chimney 6 through 4 flues of fire tube, and chimney 6 internal-external temperature differences make and produce draft in the chimney 6, impel burning to carry out fast.The wind inlet 1 of burner hearth 3 bottoms and fuel inlet on burner hearth 3 walls promptly feed intake secondary wind import that passage 2 forms under chimney 6 draft effects, and fuel is fully burned under hypoxemia (natural air) condition.Along with the continuous rising of furnace temperature, burner hearth 3 crater temperature can reach 1200～1400 ℃, and this moment, heat was passed to fire tube 4 with forms of radiation, and its transmission speed is directly proportional with the biquadratic of temperature, and the combustion heat is rapidly by fire tube 4 or pot bulk absorption.Increasingly high and form enough drafts and make burning when being tending towards vigorous when temperature in the chimney 6, the capping 9 that can close flue collector 5 tops makes the combustion heat to fire tube 4 or the transmission of pot body, and outwards exports steam, high-temperature water or organic heat carrier.And waste heat offers chimney 6 through flue, makes insulation 6 need of chimney heat seldom just can form very strong draft, thereby promotes that sufficient combustion carries out.In the time need not heating, can close the top cover 8 of chimney 6 ports of export.
Claims (5)
1. the boiler plant of a burning biomass block; It comprises body of heater and is assemblied in the chimney on the body of heater; It is characterized in that the burner hearth middle and upper part section in the said body of heater is the flamboyancy shape, burner hearth bore suitable for reading is 1: 8～10 with the furnace height ratio, and burner hearth bore suitable for reading is 1: 3.5～4.5 with the ratio of burner hearth maximum gauge; Feed intake passage axis and the burner hearth axis that are positioned at the burner hearth middle and lower part are 43 °～47 ° angles, are filled with insulation material in the said chimney wall.
2. according to the boiler plant of the said burning biomass block of claim 1, it is characterized in that said chimney is a cone structure, upper and lower mouthful of relative aperture of chimney is 1: 2.
3. according to the boiler plant of the said burning biomass block of claim 1, it is characterized in that said insulation material selects the hydrophobic pearlite material of extrusion molding for use.
4. according to the boiler plant of the said burning biomass block of claim 1, it is characterized in that said chimney breast end is equiped with top cover.
5. according to the boiler plant of the said burning biomass block of claim 1, it is characterized in that the flue collector top of said upper furnace is provided with capping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202682219U CN202195490U (en) | 2011-07-27 | 2011-07-27 | Boiler device of combustible biomass pressure block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202682219U CN202195490U (en) | 2011-07-27 | 2011-07-27 | Boiler device of combustible biomass pressure block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202195490U true CN202195490U (en) | 2012-04-18 |
Family
ID=45950395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202682219U Expired - Fee Related CN202195490U (en) | 2011-07-27 | 2011-07-27 | Boiler device of combustible biomass pressure block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202195490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115093861A (en) * | 2017-06-14 | 2022-09-23 | 上海王甘环保科技集团有限公司 | Environment-friendly energy-saving efficient coking, steelmaking, casting and power generation gasification combined boiler |
-
2011
- 2011-07-27 CN CN2011202682219U patent/CN202195490U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115093861A (en) * | 2017-06-14 | 2022-09-23 | 上海王甘环保科技集团有限公司 | Environment-friendly energy-saving efficient coking, steelmaking, casting and power generation gasification combined boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhang Shixian Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Zhang Shixian Document name: Notification of Termination of Patent Right |
|
| DD01 | Delivery of document by public notice |
Addressee: Zhang Shixian Document name: Notification of Passing Examination on Formalities |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20170727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |