CN204534557U - A kind of biomass micron fluidised form combustion apparatus based on gas/oil-fired boiler transformation - Google Patents
A kind of biomass micron fluidised form combustion apparatus based on gas/oil-fired boiler transformation Download PDFInfo
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- CN204534557U CN204534557U CN201520203593.1U CN201520203593U CN204534557U CN 204534557 U CN204534557 U CN 204534557U CN 201520203593 U CN201520203593 U CN 201520203593U CN 204534557 U CN204534557 U CN 204534557U
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Abstract
The utility model discloses a kind of biomass micron fluidised form combustion apparatus based on gas/oil-fired boiler transformation, comprise combustion gas or the oil burning boiler of biomass micron fuel supply unit, fuel element and conventional structure form, wherein biomass micron fuel supply unit comprises material, doser, dust cloud generator, blower fan and dust cloud carrier pipe; Fuel element comprises sealing body of heater, combustion chamber, fuel inlet, lighting-up tuyere, fluidised form slag-drip opening and flame export, and the volume combustion intensity of described sealing body of heater is set to 150kg/m
3~ 600kg/m
3, its outer wall insulation material layer surrounded, and makes the heat flowing through outer wall be no more than 10% of fuel combustion energy, forms heat accumulation and the combustion space of a relative closure thus.By the utility model, the ignition temperature up to more than 1350 DEG C can be obtained, simultaneously compared with existing biomass boiler in its product substantially without tar, noresidue carbon and ash content, possess the advantages such as the thermal efficiency is high, fuel utilization efficiency is high, clean environment firendly simultaneously.
Description
Technical field
The utility model belongs to renewable and clean energy resource device field, more specifically, relates to a kind of biomass micron fluidised form combustion apparatus based on gas/oil-fired boiler transformation.
Background technology
Current conventional gas/oil burning boiler refers to using gaseous gas or liquid fuel as fuel, spray into after burner hearth by the equipment of high-temperature flue gas heating flame, because it possesses the advantages such as large, the safe and reliable and environmental pollution of easy firing, caloric value is relatively little, thus day by day replace coal-burning boiler and obtain a wide range of applications.But, along with factors such as energy supply shortage or rise in price, add the domestic further reinforcement to environmental protection consciousness, how to find the research topic that alternative new forms of energy are just becoming important.
Biomass fuel refers to by agriculture and forestry organic waste material as stalk, sawdust, bagasse, rice chaff etc., through techniques such as pulverizing, mixing, extruding, oven dry, directly performs a kind of Novel clean-fuel of burning after making various shaped fuel.Exploitation biomass fuel can not only Appropriate application agriculture and forestry organic waste material, prevents energy waste, and can reduce as CO
2, SO
2, the discharge such as NOx and flue dust, avoid the generation of haze phenomenon, thus possess wide application prospect at home and abroad.Retrieval finds, some schemes relating to biomass fuel combustion have been proposed in prior art, such as, CN200710049037.3 discloses a kind of biomass fuel boiler, and wherein by adopting, suspension combustion is master, grate firing is the auxiliary abundant fuel realizing biomass fuel; And for example, CN200610029424.6Z discloses a kind of biological mass-energy fuel boiler and combustion method thereof, charging aperture wherein by arranging several entrance angles adjustable in stokehold distinguishes uniform feeding, and in burner hearth, carries out suspension combustion under the cooperation of First air and Secondary Air.
But, further research shows, above-mentioned prior art still has following deficiency or defect: first, the flue gas that existing biomass fuel produces is easy to coking in the duct, carry not smooth, also can the thermal efficiency be reduced while corrosion pipeline, corresponding to causing very big inconvenience in conjunction with during conventional gas/transformation of oil-fired boiler; Secondly, although the cooperation of wind can be adopted repeatedly to make biomass fuel suspension combustion, but still have that ignition temperature is limited, efficiency of combustion is not high, be difficult to the shortcoming guaranteeing fully to burn; 3rd, for current most commercial Application, the ignition temperature of fuel requires to reach more than 1200 DEG C, and above-mentioned ignition temperature to be existing biomass fuel boiler be beyond one's reach.Correspondingly, when considering that employing biomass micron fuel substitutes combustion gas/fuel oil completely and when carrying out the scrap build of conventional industrial boiler, the problems referred to above become the technological difficulties place being difficult to avoid.
Utility model content
For above defect or the Improvement requirement of prior art, the utility model provides a kind of biomass micron fluidised form combustion apparatus based on gas/oil-fired boiler transformation, wherein by adopting biomass micron fuel, (also namely average grain diameter is the biomass fuel of micron dimension, for example, average grain diameter is less than 400 microns) replace combustion gas/fuel oil as fuel completely, and on the basis that the gas/oil-fired boiler actuating equipment of routine is transformed, to other crucial component units as biomass micron fuel supply unit, ad hoc structure and the set-up mode of fuel element and boiler-burner interface etc. design, more should be able to make full use of the high advantage of biomass micron fuel ignition temperature mutually, significantly improve the controllability of operation simultaneously and be convenient to the upgrading of existing equipment, test shows, ignition temperature up to more than 1350 DEG C can be obtained according to equipment of the present utility model, boiler thermal output can reach more than 90%, simultaneously compared with existing biomass boiler in its product substantially without tar, noresidue carbon and ash content, be thus particularly useful for the applied environment of the clean and efficient production of steam of Industrial Boiler.
For achieving the above object, according to the utility model, provide a kind of biomass micron fluidised form combustion apparatus based on gas/oil-fired boiler transformation, biomass micron fuel is adopted to replace combustion gas or fuel oil as flow fuel completely in this equipment, and comprise combustion gas or the oil burning boiler of biomass micron fuel supply unit, fuel element and conventional structure form, wherein:
Described biomass micron fuel supply unit comprises hopper, doser, dust cloud generator, blower fan and dust cloud carrier pipe, wherein this hopper is for storing the biomass micron fuel as fuel, and gives described dust cloud generator by biomass micron fuel ration distribution under the cooperation of described doser; Biomass micron fuel and air then fully mix and form the dust cloud form keeping suspending afterwards by this dust cloud generator, then under the effect of described blower fan, continue on to described fuel element via described dust cloud carrier pipe;
Described fuel element comprises combustion chamber, sealing body of heater, fuel inlet, lighting-up tuyere, fluidised form slag-drip opening and flame export, and wherein the volume combustion intensity of sealing body of heater is set to 150kg/m
3~ 600kg/m
3, its outer wall insulation material layer surrounded, and makes the heat flowing through outer wall be no more than 10% of fuel combustion energy, forms heat accumulation and the combustion space of a relative closure thus; This fuel inlet is arranged on from flame export flow process farthest, and for by the dust cloud be mixed to form by biomass micron fuel and air tangentially direction with 1m/ second ~ that the flow velocity of 12m/ second sprays so far Sealing furnace body is inner; This fluidised form slag-drip opening is arranged on the lowest water level place of described combustion chamber, and for the slag of high temperature melting being discharged in whole combustion process; This flame export is then arranged on from described fuel inlet flow process position farthest; In this way, biomass micron fuel keeps the suspension combustion of enough time in fuel element inside, and via described flame export, the thermal-flame of ignition temperature up to more than 1350 DEG C is sprayed into described gas/oil-fired boiler;
The original fuel inlet of described gas/oil-fired boiler is connected with described fuel element, carries described thermal-flame thus to boiler.
As further preferably, the pressure of described dust cloud generator is set to 0.005MPa ~ 0.05MPa; And described biomass micron fuel fully mixes with the excess air coefficient according to 0.98 ~ 1.25 between air.
As further preferably, described dust cloud carrier pipe is preferably made up of village's plastic material in steel, plastics or steel pipe, and pipe inner plastic layer can reducing friction resistance.Inner-walls of duct can be plane or helicoid, and helicoid can keep the suspension conveying of micron fuel better.Described its internal diameter of dust cloud carrier pipe is 1:5 ~ 10 with the ratio of the internal diameter of described combustion chamber.
As further preferably, the active combustion volume of described fuel element is designed to 0.5 times ~ 0.9 times of the active combustion volume of described gas/oil-fired boiler, and steam entry is equipped with, this steam entry is used in combustion to supplementing water steam in described sealing body of heater, to help residual carbon and burnt oil gasification and after-flame, and the mass ratio between the addition of water vapour and described biomass micron fuel is set to 1:30 ~ 150.
As further preferably, the volume combustion intensity of described fuel element is set to 150kg/m3 ~ 600kg/m
3; In addition, its sidewall wall thickness is 200mm ~ 500mm, and combustion chamber height or length are 0.8 times ~ 4 times with the ratio of its average cross-section.
As further preferably, described fuel element also comprises temperature-measuring port, secondary air inlet and glory hole, and wherein this temperature-measuring port is arranged on the opposite side of described fuel inlet, for detecting the maximum combustion temperature of described combustion chamber; This secondary air inlet is arranged on the downstream of described fuel inlet flow process, while inputting Secondary Air, play regulating action; This glory hole is arranged on described Sealing furnace side portion, and it is for observing combustion position, and performs corresponding regulation and control.
As further preferably, it is 1:5 ~ 12 that the diameter of described fuel nozzle is set to the ratio of chamber diameter, and the aperture of described fluidised form slag-drip opening is set to 1/8 to 1/25 of the chamber diameter of described fuel element, and optimum is 1/12 to 1/22.
As further preferably, after the exhanst gas outlet of described combustion gas or oil burning boiler, be also equipped with cyclone dust collectors and waste heat recovery unit, recycle for reducing the dust that enters waste heat recovery unit and waste heat being back to boiler internal thus.In addition, a venting is upwards had additional above described combustion gas or the original explosionproof hole of oil burning boiler, its bend pipe passageway is provided with afterbody glory hole, strengthens boiler explosion-proof capabilities in this way, be convenient to the combustion position more fully monitoring combustion chamber simultaneously.
In general, the above technical scheme conceived by the utility model compared with prior art, mainly possesses following technological merit:
1, by adopting biomass micron fuel to substitute combustion gas or fuel oil completely, and in conjunction with the characteristic of biomass micron fuel, tectonic sieving is carried out to whole combustion system, test shows that this system can play the advantage of biomass micron fuel well, reduce energy resource consumption and environmental pollution, and substantially without tar in combustion process, be convenient to perform the scrap build to existing conventional industrial boiler simultaneously;
2, by arranging heat accumulation and combustion space for the combustion process of biomass micron fuel and to its critical performance parameters as volume combustion intensity, thermal resistances etc. set, the adiabatic combustion unit of a relative closure can be formed, by the accumulation of energy of biomass fuel relatively low for energy density wherein, form high-temp combustion condition, meanwhile, the gasification of micro mist and burning is also made to complete instantaneously in the same time in the same space, continue the lasting rising promoting ignition temperature conversely, reach the ignition temperature compared with prior art significantly improved thus, efficiency of combustion can reach more than 98%,
3, by designing as the structure of the dust cloud generator of key component, dust cloud carrier pipe and combustion port and key parameter thereof, test shows to guarantee that biomass micron fuel vaporificly can enter fuel element to suspend, and correspondingly contributes to Thorough combustion and ignition temperature and raising;
4, by adding suitable water vapour in combustion and designing its ratio, in whole combustion process, water vapour can be used as gasifying agent and combustion intermediate product reacts, and then be decomposed into hydrogen and carbon monoxide etc., hydrogen wherein can accelerate burning velocity again in the adiabatic space of relative closure, and guarantees in very short time, namely reach expectation ignition temperature peak value and efficiency;
5, in the utility model because the ignition temperature of biomass micron fuel is raised to more than 1350 degree further, intermediate product such as tar, carbon granules etc. are decomposed completely, but also contained incombustible inorganic matter component can be made also to obtain fusing, and change into liquid in adiabatic combustion indoor and discharge from furnace bottom as liquid slag, compared with the Industrial Boiler of prior art, in environmental protection, there is advantage, be thus applicable to the clean and efficient requirement under all types of industries boiler applications environment.
Accompanying drawing explanation
Fig. 1 is the exemplary schematic representation according to the biomass micron fluidised form combustion apparatus based on natural gas boiler transformation of the present utility model;
Fig. 2 is the schematic diagram for specifically showing key component shown in Fig. 1, and wherein left side is the fuel delivery unit comprising the assemblies such as hopper, doser, dust cloud generator, and right side is the fuel element comprising sealing body of heater;
Fig. 3 is the structural representation for showing according to the combustion port between fuel element of the present utility model and conventional gas/oil burning boiler.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.In addition, if below in described each embodiment of the utility model involved technical characteristic do not form conflict each other and just can mutually combine.
Fig. 1 is the exemplary schematic representation according to the biomass micron fluidised form combustion apparatus based on natural gas boiler transformation of the present utility model.As shown in fig. 1, this biomass micron fluidised form combustion apparatus is for example rendered as horizontal or vertical, and mainly comprise biomass micron fuel supply unit 1, the parts such as the combustion gas of fuel element 2 and conventional structure form or oil burning boiler 3, have employed in this equipment average grain diameter be micron dimension (preferably, the biomass micron fuel of particle diameter below 400 microns) replace combustion gas or fuel oil as fuel completely, and by its key component in structure and the design in arranging, corresponding realization is to the favourable transformation of existing Industrial Boiler, and the clean and efficient requirement that can be applicable to well under all types of industries boiler applications environment.
Specifically, see Fig. 2, described biomass micron fuel supply unit 1 comprises hopper 4, doser 5, dust cloud generator 6, blower fan 7 and dust cloud carrier pipe 8 etc., wherein hopper 4 is for example in cabinet structure, it is for storing the above-mentioned biomass micron fuel as fuel, and under the cooperation of doser 5, by biomass micron fuel ration distribution to dust cloud generator 6; Biomass micron fuel and air preferably fully mix according to the volume ratio of 1:3 ~ 6 and form the dust cloud form keeping suspending afterwards by 6, this dust cloud generator, then under the effect of blower fan 7, continue on to fuel element 2 via dust cloud carrier pipe 8.
For said modules, according to a preferred embodiment of the present utility model, the pressure of described dust cloud generator 6 is preferably set 0.005MPa ~ 0.05MPa; Scope; And described biomass micron fuel fully mixes with the excess air coefficient according to 0.98 ~ 1.25 between air; In this way, more contrast test shows, can guarantee that biomass micron fuel enters into fuel element 2 with suspended state, and goes the condition that follow-up high-temp combustion provides necessary.
Fuel element is as another key component in this equipment, its entirety can be horizontal or vertical structure, comprise sealing body of heater 12, fuel inlet 16, lighting-up tuyere 10, fluidised form slag-drip opening 27 and flame export 25 etc., wherein seal body of heater 13 overall for example in cylindrical structure, and its volume combustion intensity is set to 150kg/m in the utility model
3~ 350kg/m
3, its outer wall insulation material layer surrounded, and makes the heat flowing through outer wall be no more than 10% of fuel combustion energy, forms heat accumulation and the combustion space of a relative closure thus, just by arranging heat accumulation and combustion space for the combustion process of biomass micron fuel and setting above-mentioned critical performance parameters, define the adiabatic combustion unit of a relative closure, by the accumulation of energy of biomass fuel relatively low for energy density wherein, form high-temp combustion condition, meanwhile, the gasification of micro mist and burning is also made to complete instantaneously in the same time in the same space, continue the lasting rising promoting ignition temperature conversely, finally make biomass micron fuel burning height can height more than 1350 degrees Celsius, and at this temperature after full combustion of fuel substantially without tar, the intermediate products such as carbon granules exist.
Fuel inlet 16 is arranged on the lower end, left side of sealing body of heater 13, and for by the dust cloud be mixed to form by biomass micron fuel and air tangentially direction with 1m/ second ~ flow velocity of 10m/ second sprays so far Sealing furnace body 13 inside; This fluidised form slag-drip opening 27 is arranged on the place bottom of sealing body of heater, and for the slag of high temperature melting being discharged in whole combustion process; This flame export 25 is arranged on the right upper portion of described sealing body of heater and keeps opposite with fuel inlet 16; Match with above-mentioned heat accumulation and combustion space in this way, biomass micron fuel remains suspension combustion in fuel element inside, and via flame export, the thermal-flame of ignition temperature up to more than 1350 DEG C is sprayed into gas/oil-fired boiler.
In addition, according to a preferred embodiment of the present utility model, the active combustion volume of described fuel element 2 is preferably designed to 0.5 times ~ 0.9 times of the active combustion volume of described gas/oil-fired boiler, and steam entry is equipped with preferably also, this steam entry is used in described sealing body of heater, supplementing appropriate water vapour in combustion, and the mass ratio between the addition of water vapour and described biomass micron fuel is set to 1:30 ~ 150:1.By adding suitable water vapour in combustion and designing its ratio, in whole combustion process, water vapour can be used as gasifying agent and combustion intermediate product reacts, and then be decomposed into hydrogen and carbon monoxide etc., hydrogen wherein can accelerate burning velocity again in the adiabatic space of relative closure, and guarantees in very short time, namely reach expectation ignition temperature peak value and efficiency.
It is constant that the structure of combustion gas or oil burning boiler 3 have employed existing form substantially, and it is mainly changed part and comprises interface between itself and fuel element.According to a preferred embodiment of the present utility model, the diameter of this combustion port extended 1.5 times ~ 3 times on the original basis, and its housing is from inside to outside followed successively by thickness for example for the inorganic heat-resisting brick layer of 80mm-120mm and thickness are for example double-decker that the heat-preservation cotton layer of 200mm-250mm is formed jointly; By above design, the different of high-temperature flue gas and combustion gas/oil inflame in biomass combustion process are not only taken into full account, and good protective action can be played for its high temperature up to more than 1350 degree, avoid the steel plate of Industrial Boiler side to damage due to high temperature.
In addition, according to another preferred embodiment of the present utility model, the afterbody of above-mentioned Industrial Boiler is also preferably provided with cyclone dust collectors and a residual heat collection unit, thus boiler afterheat can be back to boiler internal, plays the effect improving the thermal efficiency further thus.
To sum up, carrying out the combustion apparatus transformed according to the utility model due to the ignition temperature of biomass micron fuel is raised to more than 1350 degree further, intermediate product such as tar, carbon granules etc. are decomposed completely, but also contained incombustible inorganic matter component can be made also to obtain fusing, and change into liquid in adiabatic combustion indoor and discharge from furnace bottom as liquid slag, compared with the Industrial Boiler of prior art, in the saving energy and environmental protection, there is great advantage, be thus applicable to the clean and efficient requirement under all types of industries boiler applications environment.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. the biomass micron fluidised form combustion apparatus based on gas/oil-fired boiler transformation, it is characterized in that, biomass micron fuel is adopted to replace combustion gas or fuel oil as flow fuel completely in this equipment, and comprise combustion gas or the oil burning boiler (3) of biomass micron fuel supply unit (1), fuel element (2) and conventional structure form, wherein:
Described biomass micron fuel supply unit (1) comprises hopper (4), doser (5), dust cloud generator (6), blower fan (7) and dust cloud carrier pipe (8), wherein this hopper (4) is for storing the biomass micron fuel as fuel, and gives described dust cloud generator (6) by biomass micron fuel ration distribution under the cooperation of described doser (5); Biomass micron fuel and air then fully mix and form the dust cloud form keeping suspending afterwards by this dust cloud generator (6), then under the effect of described blower fan (7), continue on to described fuel element (2) via described dust cloud carrier pipe (8);
Described fuel element (2) comprises combustion chamber (12), sealing body of heater (13), fuel inlet (16), lighting-up tuyere (10), fluidised form slag-drip opening (27) and flame export (25), and wherein the volume combustion intensity of sealing body of heater (13) is set to 150kg/m
3~ 600kg/m
3, its outer wall insulation material layer (19) surrounded, and makes the heat flowing through outer wall be no more than 10% of fuel combustion energy, forms heat accumulation and the combustion space of a relative closure thus; This fuel inlet (16) is arranged on from flame export (25) flow process farthest, and for by the dust cloud be mixed to form by biomass micron fuel and air tangentially direction with 1m/ second ~ that the flow velocity of 12m/ second sprays so far Sealing furnace body is inner; This fluidised form slag-drip opening (27) is arranged on the lowest water level place of described combustion chamber (12), and for the slag of high temperature melting being discharged in whole combustion process; This flame export (25) is then arranged on from described fuel inlet (16) flow process position farthest; In this way, biomass micron fuel keeps the suspension combustion of enough time in fuel element inside, and via described flame export (25), the thermal-flame of ignition temperature up to more than 1350 DEG C is sprayed into described gas/oil-fired boiler (3);
The original fuel inlet (20) of described gas/oil-fired boiler is connected with described fuel element (2), carries described thermal-flame thus to boiler.
2. biomass micron fluidised form combustion apparatus as claimed in claim 1, it is characterized in that, the pressure of described dust cloud generator (6) is set to 0.005MPa ~ 0.05MPa; And described biomass micron fuel fully mixes with the excess air coefficient according to 0.98 ~ 1.25 between air.
3. biomass micron fluidised form combustion apparatus as claimed in claim 1 or 2, it is characterized in that, the active combustion volume of described fuel element (2) is designed to 0.5 times ~ 0.9 times of the active combustion volume of described gas/oil-fired boiler (3), and steam entry (28) is equipped with, this steam entry is used in combustion to the interior supplementing water steam of described sealing body of heater (13), to help residual carbon and burnt oil gasification and after-flame, and the mass ratio between the addition of water vapour and described biomass micron fuel is set to 1:30 ~ 150.
4. biomass micron fluidised form combustion apparatus as claimed in claim 3, it is characterized in that, the volume combustion intensity of described fuel element (2) is set to 150kg/m3 ~ 600kg/m
3; In addition, its sidewall wall thickness is 200mm ~ 500mm, and combustion chamber height or length are 0.8 times ~ 4 times with the ratio of its average cross-section.
5. biomass micron fluidised form combustion apparatus as claimed in claim 4, it is characterized in that, described fuel element (2) also comprises temperature-measuring port (15), secondary air inlet (14) and glory hole (28), wherein this temperature-measuring port (15) is arranged on the opposite side of described fuel inlet (16), for detecting the inner maximum combustion temperature in described combustion chamber (12); This secondary air inlet (14) is arranged on the downstream of described fuel inlet (16) flow process, while inputting Secondary Air, play regulating action; This glory hole (28) is arranged on described sealing body of heater (13) sidepiece, and it is for observing combustion position, and performs corresponding regulation and control.
6. biomass micron fluidised form combustion apparatus as claimed in claim 1 or 2, it is characterized in that, it is 1:5 ~ 12 that the diameter of described fuel nozzle (9) is set to combustion chamber (12) diameter ratio, and the aperture of described fluidised form slag-drip opening (27) is set to 1/8 to 1/25 of combustion chamber (12) diameter of described fuel element.
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| CN201520203593.1U CN204534557U (en) | 2015-04-03 | 2015-04-03 | A kind of biomass micron fluidised form combustion apparatus based on gas/oil-fired boiler transformation |
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| CN201520203593.1U CN204534557U (en) | 2015-04-03 | 2015-04-03 | A kind of biomass micron fluidised form combustion apparatus based on gas/oil-fired boiler transformation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105733730A (en) * | 2016-02-04 | 2016-07-06 | 黑龙江泰昇农业科技开发有限公司 | Biomass micron carbonized power high-temperature combustion method |
| CN107830513A (en) * | 2017-12-04 | 2018-03-23 | 国能生源科技有限公司 | A kind of efficiently focus controlled distribution biomass combustion boiler |
| CN111998382A (en) * | 2020-09-03 | 2020-11-27 | 广州谦优信息科技有限公司 | Control device for biomass boiler feeding system and use method thereof |
| CN117287692A (en) * | 2023-10-09 | 2023-12-26 | 苏州鑫瀚杰精密机械科技有限公司 | Biomass nanometer micropowder fluid state combustion machine |
-
2015
- 2015-04-03 CN CN201520203593.1U patent/CN204534557U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105733730A (en) * | 2016-02-04 | 2016-07-06 | 黑龙江泰昇农业科技开发有限公司 | Biomass micron carbonized power high-temperature combustion method |
| CN107830513A (en) * | 2017-12-04 | 2018-03-23 | 国能生源科技有限公司 | A kind of efficiently focus controlled distribution biomass combustion boiler |
| CN111998382A (en) * | 2020-09-03 | 2020-11-27 | 广州谦优信息科技有限公司 | Control device for biomass boiler feeding system and use method thereof |
| CN111998382B (en) * | 2020-09-03 | 2023-06-02 | 浙江润昇宏焰能源科技股份有限公司 | Control device for biomass boiler feeding system and using method thereof |
| CN117287692A (en) * | 2023-10-09 | 2023-12-26 | 苏州鑫瀚杰精密机械科技有限公司 | Biomass nanometer micropowder fluid state combustion machine |
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