207 results about "Biomass combustion" patented technology

The invention discloses a special SNCR efficient denitration system for a biomass boiler and a denitration method of the special SNCR efficient denitration system, and particularly relates to the technical field of special biomass-fired direct-fired industrial boilers, the special SNCR efficient denitration system comprises a biomass combustion furnace and a denitration mechanism, the biomass combustion furnace comprises a feeding channel, a combustion chamber and a denitration chamber, the combustion chamber is arranged on the side edge of the feeding channel, and the denitration chamber is arranged on the side edge of the combustion chamber. A denitration chamber is arranged on the side, away from the feeding channel, of the combustion chamber, a feeding support is arranged on the side, away from the combustion chamber, of the feeding channel, and a denitration mechanism is arranged on the side, away from the feeding support, of the biomass combustion furnace. A denitration system is provided with a CEMS device to provide NOx emission data, the feeding amount is accurately controlled by adjusting spiral feeding frequency conversion according to the NOx emission amount, the denitration efficiency is improved, and meanwhile waste of a denitration agent is prevented.

The invention provides a biomass combustion in-situ measurement method based on spectrum and flame imaging. The biomass combustion in-situ measurement method comprises the following steps that a biomass sample is pretreated and conveyed to a dropper furnace combustion monitoring system through pneumatic conveying; preheating, and monitoring combustion parameters in real time through a temperature control system and a data acquisition system; the synchronous acquisition system is connected with the Fourier transform infrared spectrometer, the ICCD camera and the intermediate infrared camera; spectral information in a flame heat radiation (200 nm to 20 [mu] m) wave band is obtained, and free radical and smoke component images are collected; and finally, comprehensively processing and analyzing the data, and extracting key parameters such as temperature, radiation characteristics, component concentration and the like. According to the invention, multi-parameter in-situ synchronous measurement is realized, combustion surface temperature and radiation characteristics are accurately calculated in combination with an advanced algorithm, and free radical and flue gas component distribution is quantified through an imaging technology. An efficient and reliable technical means is provided for studying a biomass combustion mechanism, optimizing a combustion process and controlling pollution emission, and the biomass combustion device has important scientific research and application values.

The invention discloses an intelligent monitoring system for multi-source data fusion of a biomass intelligent power plant, relates to the technical field of intelligent monitoring, and solves the problems proposed in the background technology. The biomass multi-source data acquisition module is used for acquiring biomass fuel characteristic data, equipment operation data, environment-friendly emission data and raw material supply chain data in real time; the data preprocessing and order reduction module is used for carrying out denoising, normalization and coupling order reduction processing on the biomass fuel characteristic data and the equipment operation data; the multi-source data dynamic fusion module is used for carrying out weighted fusion on the multi-source data according to the fuel heat value, the water content and the environmental protection weight; the biomass combustion optimization diagnosis module is used for constructing a deep learning model based on the fusion data and outputting combustion efficiency optimization parameters and a fault diagnosis result; according to the method, multi-dimensional data of fuel characteristics, equipment operation, environmental protection emission and the like are integrated, through links of preprocessing, order reduction, fusion and the like, an information island phenomenon is eliminated, and scientificity and accuracy of decision making are improved.

The invention provides a biomass powder gasification nozzle, a gasification furnace and a biomass powder gasification method, and relates to the technical field of biomass combustion equipment. The nozzle comprises an outer ring nozzle, a middle ring nozzle, an inner ring nozzle and a center nozzle which are coaxially nested, an outer ring channel, a middle ring channel and an inner ring channel are sequentially formed between the outer side walls and the inner side walls of the adjacent nozzles, and a center channel is defined by the inner wall of the center nozzle. An inlet and an outlet are formed in the side wall of the inner ring channel, the inlet conveys a mixture of biomass powder and conveying gas, the outlet is located on the upstream of the inlet, a separator is arranged between the inlet and the outlet and used for separating part of conveying gas from the mixture and leading out the conveying gas to the outlet to be discharged, a swirler and a filter are arranged in the separator, and the swirler is arranged below the filter. According to the invention, after the biomass powder is conveyed to the inner ring channel along with the conveying gas, the separator separates part of the conveying gas from the mixture and discharges the part of the conveying gas from the outlet, so that the conveying gas sprayed out of the nozzle is reduced, and then inert gas entering the gasification furnace is reduced.

The invention discloses a power generation system for fused salt energy storage by using biomass. According to the system, the purity of raw materials is remarkably improved through an intelligent sorting and impurity removing unit of the pretreatment and coupling module, the waste heat driving drying unit effectively recycles system waste heat to reduce energy consumption, the flexible forming unit generates biomass fuel with stable physical characteristics, and the nano-catalysis pretreatment unit optimizes the reaction activity of the fuel on the molecular level. The measures directly improve the integrity of biomass combustion and the heat energy conversion efficiency, so that the fuel of unit mass releases more effective heat in the fused salt combustor. Meanwhile, tar is decomposed from the source through catalytic pretreatment, generation of nitric oxide and sulfur oxide precursors is reduced, the treatment load of a follow-up flue gas purification system is greatly reduced, the whole system reduces dependence on external energy on the basis of ensuring stable power supply through collaborative optimization of fuel pretreatment, stored energy release and clean emission, and the energy-saving and environment-friendly effects are achieved. And a high-adaptability solution is provided for distributed energy supply.

The invention discloses crushing equipment for waste biomass combustion heat supply, and relates to the technical field of waste biomass crushing. The shaking sieve mechanism, the cutting mechanism and the crushing roller mechanism are sequentially assembled on the rack from top to bottom in the waste material moving direction; the sieve shaking mechanism comprises a first support and a first box body fixed with the upper part of the first support; the stepped screening assembly is arranged in the first box body; and the eccentric vibration wheel assembly is arranged on the first box body. Impurity removal and separation, large-size shearing and crushing operation are sequentially conducted on waste, impurities are rapidly screened out, the purity of the waste is improved, and the large-size waste is pretreated, so that waste particles machined by the crushing roller mechanism can better meet the fine and uniform form required by the final purpose; therefore, stable control of subsequent procedures such as conveying, drying and granulation and unification of product quality are facilitated.

The present invention provides a mortar composition for seaweed bed creation that can significantly reduce the carbon dioxide emission intensity per unit of seaweed bed creation blocks. [Solution] A mortar composition for creating seaweed beds comprising a binder, fine aggregate, and an alkaline stimulant, wherein the binder comprises blast furnace slag fine powder, the fine aggregate comprises main ash of biomass combustion ash, and the alkaline stimulant comprises fly ash of biomass combustion ash.

The present application belongs to the technical field of stove, and particularly relates to a domestic biomass stove. The domestic biomass stove comprises a shell body and a combustion chamber in the shell body. The combustion chamber comprises a cylinder body, and the upper part of the cylinder body is provided with a smoke outlet. The cylinder body is provided with a slit-type burner. The top of the slit-type burner is closed, the bottom is open, and a plurality of through holes are arranged on the outer wall of the slit-type burner. A plurality of baffles are arranged in the slit-type burner along the height direction. One side of the cylinder body is provided with an upper smoke box and a lower smoke box. The upper smoke box and the lower smoke box are connected through a convection tube bundle arranged between the two. The upper smoke box is connected with the smoke outlet, and the lower smoke box is provided with an air outlet. The shell body, the convection tube bundle, the upper smoke box and the lower smoke box form a heating water cavity, the cylinder body and the shell body form a cooling water cavity, and the cooling water cavity and the heating water cavity are connected. The present application effectively inhibits slagging and coking in the biomass combustion process, so that farmers can use cheap fuel for winter heating.

The invention provides a fluidized bed combustion system and a combustion method. The fluidized bed combustion system comprises a fluidized bed combustion reaction device and a mild gasification reaction device, the fluidized bed combustion reaction device comprises a dilute-phase region arranged in the middle and a dense-phase region arranged at the lower part; a gas phase outlet of the mild gasification reaction device is connected with a gas phase inlet of the dilute phase zone, and a solid phase outlet of the mild gasification reaction device is connected with a solid phase inlet of the dense phase zone. The system is stable in combustion, high in denitration efficiency, compact in structure, easy and convenient to operate, low in operation cost and suitable for low-nitrogen transformation and new projects of coal and biomass combustion devices, and has good industrial application prospects and popularization value.

The invention relates to the technical field of biological energy, and particularly discloses a method for producing hydrogen by using a coal mine goaf, which comprises the following steps: mixing pretreated agricultural organic wastes with fermentation liquor and a culture solution containing a methane inhibitor, and conveying the mixture to the coal mine goaf through an injection well; utilizing natural ground temperature conditions in the goaf to enable microorganisms to perform co-fermentation on residual coal in the goaf and the injected agricultural organic waste to produce hydrogen; produced hydrogen is collected and output through a gas producing well, and fermentation residues are discharged through a material producing well. According to the hydrogen production method provided by the invention, the goaf is used as a natural reactor, and two wastes are synergistically converted, so that the hydrogen production cost and energy consumption are greatly reduced, meanwhile, environmental pollution is effectively avoided, and a new green way is provided for resource utilization of waste mines.

The invention provides a method for roasting-leaching clay type lithium ore by replacing a roasting aid with biomass, and belongs to the technical field of ore dressing processes. According to the method, the plant ash generated after biomass combustion is used for replacing part of alkali-containing salt or alkali in the clay type lithium ore so as to achieve the purpose of alkali roasting-water leaching, the sintering condition of a roasting auxiliary and the clay type ore can be effectively reduced through addition of the plant ash, and bulk consumption of solid waste of the plant ash is achieved. The invention provides a mixed roasting-water leaching method of plant ash generated after biomass combustion and clay type lithium ore, so that the consumption of a roasting auxiliary agent is greatly reduced (the consumption of an alkaline agent is reduced by 50-80%), the phenomenon that the roasting auxiliary agent and the clay type ore are easy to sinter at high temperature is improved, clean and effective utilization of biomass is realized, and the method is suitable for industrial production. The lithium obtained through the method is high in leaching rate and low in cost.

The utility model discloses a novel biomass combustion furnace deashing device, which relates to the technical field of combustion furnaces, and comprises a furnace body, a support frame is fixed on the inner wall of the furnace body, two groups of fire grates are mounted at the top of the support frame, the fire grates are semicircular, a mounting component for mounting the fire grates is arranged at the top of the support frame, and the mounting component is fixed on the inner wall of the furnace body. The utility model has the beneficial effects that when the cam rotates to a high position, the two groups of fire grates are driven to vibrate up and down, the fire grates are vibrated to clean ash through the repeated rotation of the cam, the fire grate structure is a trapezoidal structure gap with a small upper part and a large lower part, the effect of only falling ash without falling materials is achieved under the vibration effect, the air inlet of a hearth is facilitated, and the energy consumption is reduced. A good ash removal effect is achieved under the conditions that the cam keeps a reasonable stroke and an existing combustion layer is not damaged, the two fire grates are combined into a circle, the fire grates are of a two-piece structure, and the fire grates can be conveniently taken out from an access hole.

The present invention relates to a method and structure for preventing the coking of biomass fuel from affecting combustion, and belongs to the technical field of biomass combustion residue removal. The technical solution is as follows: a plurality of air inlet holes (14) with variable functions are arranged in layers on the side wall of a combustion tube (3); when the combustion tube (3) is inserted into an inner container (2), it becomes a furnace; after a combustion cycle, the combustion tube (3) is pulled out to remove the coke in one go. A combustion layer (16) and a coking layer (17) are provided in the combustion tube (3); the combustion layer (16) is always on top. As the combustion progresses, the coking layer (17) gradually thickens, and the air inlet holes corresponding to the combustion layer also rise dynamically. The coking layer can neither occupy the space of the combustion layer nor block the air inlet holes corresponding to the combustion layer to affect combustion. The positive effect of the present invention is that after the present invention is applied, various biomass boilers, stoves, and burners no longer require a decoking device, can burn stably for a long time under various fire powers, can use high-ash content and cheap fuel, and reduce manufacturing and operating costs.

The utility model discloses a novel biomass combustion furnace chimney device, which relates to the technical field of combustion furnaces, and comprises a furnace body, the top of the furnace body is provided with a radiator for carrying out heat exchange on combustion flue gas, one side of the radiator is communicated with an air outlet pipe, the top of the air outlet pipe is provided with a chimney body, and the chimney body is communicated with the radiator. The chimney has the advantages that the inclined pipe is beneficial to stabilizing the airflow in the chimney, if a straight-barrel-shaped chimney is adopted, the situation that the pulling force of the chimney is not enough can be generated in the high-speed working process of a fan, the airflow in the chimney needs to be supplemented through the inclined pipe, and therefore the chimney is not prone to being damaged. Otherwise, the overall length of the chimney needs to be increased, the cost is increased, the air outlet space of the connecting pipe is blocked through movement of the baffle, and therefore the effect of adjusting the air quantity entering the chimney body is achieved, and the air speed is adjusted according to the feeding and combustion conditions in the hearth.

The utility model discloses a biomass combustion gas hot air boiler, the inner side of a rotating seat is embedded and rotatably connected with a rotating rod, the top end of the rotating rod is provided with a rotating blade, and the edge end of the rotating rod is fixedly connected with four linkage rods at equal angles at the bottom of the rotating blade; the bottom ends of the four linkage rods are connected with connecting rods at equal intervals, and the bottom ends of the connecting rods are fixedly connected with material turning shovel plates. Heat airflow generated in the combustion process is used for driving the rotating blades to rotate, and the rotating rods are synchronously driven to rotate; according to the biomass particle combustion device, the linkage rod, the connecting rod and the material turning shovel plate can be conveniently driven to rotate on the inner side of the combustion hearth, the material turning shovel plate moves along the top face of the leakage net, biomass particles accumulated in the combustion hearth can be conveniently turned through rotation of the material turning shovel plate, and therefore the biomass particles can be combusted more thoroughly, and the combustion effect is guaranteed.

The utility model discloses a system for preparing renewable natural gas by utilizing biomass, which comprises a biomass degradation system, a biomass combustion system, a biomass gasification system and a wind and light energy storage electrolysis system, the biomass degradation system comprises an anaerobic fermentation device, a purification device and a biogas storage tank I which are communicated in sequence, the biomass combustion system comprises a biomass boiler, a carbon dioxide trapping device, a methanation device I and a synthetic natural gas storage tank which are sequentially communicated, and the biomass gasification system comprises a gasification furnace, a methanation device II and a biogas storage tank II which are sequentially communicated. The wind and light energy storage electrolysis system comprises a wind power and photovoltaic power generation system and an electrolytic cell which are sequentially communicated. The biomass recycling system has the advantages that recycling treatment of different types of biomass is realized, and meanwhile, efficient development and utilization of biomass energy are also realized.

The invention relates to a device and a method for improving air permeability of a thick bed by utilizing biomass fuel. The device comprises a T-shaped frame and a cross rod, the T-shaped frames are arranged in a bilateral symmetry mode, and the horizontal ends of the T-shaped frames face downwards. The cross rod is correspondingly and fixedly connected between the upper portions of the vertical ends of the T-shaped frames on the two sides. The method comprises the following steps: S1, preparing hydrogen-rich biomass; s2, forming the biomass combustion rod; and S3, sintering application. According to the invention, biomass which is a renewable clean resource is reinforced and applied to the field of sintering production, so that carbon emission is effectively reduced, and dependence on carbon-containing fuel in the sintering process is reduced; and meanwhile, the matching device can effectively improve the material layer air permeability in the thick material layer sintering process, and the effects of increasing yield and reducing consumption are achieved.

This invention discloses a biomass combustion boiler for purifying waste gas, relating to the field of environmentally friendly combustion furnaces. It solves the problem of incomplete biomass combustion leading to excessive black smoke in the waste gas, affecting purification efficiency. The biomass combustion boiler for purifying waste gas includes a metal support frame, a waste gas purification tower, and a waste gas guide pipe. The purification boiler structure is installed at the top of the metal support frame. The purification boiler structure includes a combustion-supporting telescopic rod, a cover-opening telescopic rod, an inner cylinder, and an outer cylinder. The output end of the cover-opening telescopic rod is connected to a combustion chamber top cover, which pushes the combustion chamber top cover to flip, opening and closing the outer cylinder. The output end of the combustion-supporting telescopic rod is connected to a metal support plate, which pushes the metal support plate up and down to shake the inner cylinder. This invention designs a double boiler (inner and outer cylinders) that can reduce boiler temperature. Biomass fuel is placed in the inner cylinder for combustion, and is cooled by incoming air, extending the boiler's combustion time, resulting in more complete combustion and introducing more air.

The utility model provides a purification system for biomass combustion, and belongs to the technical field of biomass purification. Comprising a combustion furnace, the top of the combustion furnace fixedly communicates with a connecting pipe, and a fan is fixedly assembled on the inner wall of the connecting pipe. After operation is finished, the pull ring is pulled, the pull ring and the clamping block are moved upwards, the clamping block is separated from the filter screen, the filter screen can be taken down and replaced with a new filter screen, then the new filter screen is inserted into the connecting pipe, and after a fixing pin on the filter screen is inserted into a square groove, the clamping block is squeezed to move to the deep position of the circular groove, so that the filter screen is fixed. After the fixing pins are completely inserted into the square grooves, the clamping blocks are not extruded, the connecting blocks and the clamping blocks are inserted into the fixing pins through the springs until the connecting blocks and the clamping blocks are clamped with the fixing pins, replacement of the filter screen is completed, the filtering effect on harmful gas is guaranteed, and meanwhile the filter screen is convenient to maintain.

The invention relates to the technical field of biomass combustion, and discloses a biomass quantitative feeding rotary stock bin which comprises an outer fixed bin cylinder and an inner fixed bin cylinder, the inner fixed bin cylinder is located in the outer fixed bin cylinder, and a discharging opening is formed in the bottom face of the outer fixed bin cylinder. A first material guide scraper and a second material guide scraper are arranged in the outer fixed silo, the first material guide scraper is fixed in the outer fixed silo, the second material guide scraper is movably arranged in the outer fixed silo, a feeding port is formed in the top of the inner fixed silo, and a notch is formed in the peripheral surface of the inner fixed silo. By means of the inner and outer double-cavity structure and the double functions of rotation of the material uniformizing base plate and the outer fixed material guiding scraper, biomass materials are effectively prevented from bridging and arching in the stock bin, meanwhile, the double-speed rotating base plate is matched with frequency conversion speed regulation, the inner cavity discharging speed and the outer cavity discharging amount are accurately controlled, continuous and stable feeding is achieved, and the working efficiency is improved. And efficiency reduction of downstream equipment caused by material supply fluctuation is avoided.

The invention relates to a composite functional carrier material and a preparation method thereof, and belongs to the technical field of resource utilization and biological energy. The preparation method comprises the following steps: S1, selecting waste biomass to prepare a matrix material; s2, performing pyrolysis treatment on the base material prepared in the S1 to obtain porous conductive activated carbon; and S3, mixing the porous conductive activated carbon obtained in S2 with a magnetic substance, an iron substance and an enzyme according to a mass ratio of (50-100): (10-50): (5-30): (1-10), and granulating to prepare the composite functional carrier material. The composite functional carrier material prepared by the invention has both environmental protection property and economical efficiency, can effectively inhibit the generation of harmful gases such as hydrogen sulfide and the like while increasing the yield of methane gas in the anaerobic fermentation process, and can realize magnetic recovery and cyclic utilization of the carrier material.

In the patent application document I have described a coordination mechanism of two pistons within a cylinder that allows a thermodynamic process such as expansion to be carried out. The pistons are moved by separate mechanisms that transform the continuous rotation of motor or generator shafts into irregular rectilinear motion. The objective of this invention is its use in power production facilities where efficient compression or expansion of gas or vapors is required. The applications can be: Expansion of steam produced in a biomass boiler. Expansion of steam produced with some energy source, primarily renewable. Compression and expansion of air in an external biomass combustion plant and compressed air-exhaust gas heat exchanger. Vapor-gas expansion produced by the combustion of ethanol and oxygen.

The utility model relates to a biomass fuel conveying device and a biomass combustion system with the same, and belongs to the technical field of biomass fuel conveying devices, the biomass fuel conveying device comprises a walking frame, a plurality of conveying rollers, a conveying belt, a conveying motor and a heating pipe, and the conveying rollers rotate on the walking frame at intervals; the conveying belt rolls outside the plurality of conveying rollers; the conveying motor is fixed to the walking frame and is in transmission connection with any conveying roller. The heating pipe is in an S shape, located on one side of the conveying rollers and fixed to the walking frame. And the conveyor belt corresponding to the upper parts of the plurality of conveying rollers is in sliding contact with the heating pipe. According to the biomass fuel drying device, the heating pipe is located on one side of the conveying rollers in an S shape and fixed to the walking frame, and the conveying belt corresponding to the upper portions of the conveying rollers is in sliding contact with the heating pipe, so that when the conveying belt conveys biomass fuel, the biomass fuel can be dried, the viscidity of the biomass fuel such as high-sugar crop straw and pomace is reduced, and the biomass fuel drying effect is improved. And the feeding continuity and stability are ensured.

The invention relates to the technical field of biomass combustion boilers, and discloses a biomass combustion system capable of achieving partitioned feeding, which comprises a combustion furnace, the upper end of the combustion furnace is communicated with a feeding chamber, a screening plate is hinged to one side of the upper end in the feeding chamber, and a screening transmission mechanism is arranged in the feeding chamber; two smashing rollers are arranged on the inner side of the lower end of the combustion furnace, a movable shaft is fixedly installed at the axis position of the other smashing roller, a smashing transmission mechanism is further arranged on the outer wall of the combustion furnace, discharging shafts are symmetrically and rotationally installed at the position, communicated with the feeding chamber, of the combustion furnace, discharging plates are installed on the discharging shafts, and a discharging transmission mechanism is arranged on the combustion furnace. A heat exchange mechanism is further arranged in the combustion furnace. Biomass fuels with different granularities are prevented from directly entering the combustion furnace, meanwhile, under the action of the crushing transmission mechanism, the biomass fuels with the different granularities are subjected to partitioned extrusion type crushing and feeding, and the combustion efficiency of the biomass fuels is greatly improved.

This invention discloses a bamboo-based plant dust fuel, its preparation method, and its application. The fuel is made from bamboo processing residues such as bamboo shavings and bamboo powder through crushing, drying, and sieving. Its particle size distribution is between 60 and 325 mesh, with a moisture content of less than 12 wt%, ash content of less than 5 wt%, and volatile matter content of more than 70 wt%. By precisely controlling key physical properties, this invention effectively solves the problems of low combustion efficiency, easy slagging, and high pollution associated with existing bamboo fuels. This fuel has the advantages of easy ignition, complete combustion, high calorific value, and low ash residue. Its preparation process is simple and low-cost, providing an effective way to utilize bamboo processing residues for high-value applications. It can be widely used as a solid fuel in various biomass combustion equipment.

The utility model discloses an airing device for biomass burning particle production, which relates to the technical field of biomass burning particles and comprises a base, a material frame is arranged at the upper end of the base, a C-shaped frame is arranged on the front side of the material frame, a drying frame is arranged on the front side of the C-shaped frame, and a transmission belt is arranged in the base. A first motor is arranged on the right side of the material frame, a baffle is arranged on the left side of the first motor, a second motor is arranged at the upper end of the drying frame, two sets of heating pipes are arranged in the drying frame, and a fan is arranged at the lower end of the second motor. According to the airing device for biomass combustion particle production, through the arrangement of the baffle, the first motor and other structures, the first motor drives the baffle to rotate, so that the baffle rotates, the discharging area of the discharging port of the material frame is changed, the discharging amount of biomass combustion particle raw materials each time can be controlled, and the situation that too much materials are discharged each time, and the drying effect is affected is avoided. The raw materials are stacked to influence the airing effect.

A biomass burner includes a lateral shell having an axis of main development and a bottom provided in a lower end of the lateral shell to delimit the lateral shell at the lower part in order to internally define a compartment to contain the biomass. The bottom is able to support the biomass inside the containing compartment and is provided with one or more first holes configured for the introduction of primary air into the containing compartment.

To provide a biomass combustion system capable of preventing entry of a metallic material into combustion means.SOLUTION: A biomass combustion system includes: fuel accommodation means for storing biomass fuel; combustion means for burning the biomass fuel; and fuel supply means for supplying the biomass fuel in the fuel accommodation means to the combustion means. A magnet 81 is provided in the fuel supply means.SELECTED DRAWING: Figure 3

The embodiment of the invention provides a biomass incineration fire point determination method and device, computer equipment and a medium, and relates to the technical field of atmospheric environment remote sensing monitoring, and the method comprises the steps: obtaining the column concentration of atmospheric trace gas, the profile of the atmospheric trace gas, the land utilization type and biomass incineration related data of a to-be-monitored area; according to the column concentration of the atmospheric trace gas and the atmospheric trace gas profile, calculating the near-surface atmospheric trace gas column concentration; according to the spatial-temporal variability of the near-surface atmosphere trace gas column concentration, determining an abnormally high-value grid in the near-surface atmosphere trace gas column concentration; and verifying the biomass incineration rationality of the abnormal high-value grid through the land utilization and biomass incineration related data, and determining the abnormal high-value grid passing the biomass incineration rationality verification as a biomass incineration fire point. According to the scheme, the accuracy and effectiveness of determining the biomass incineration fire point can be improved.

This application relates to a low-NOx burner for biomass pyrolysis fuel, belonging to the technical field of biomass combustion equipment. It includes a gasification chamber and a combustion chamber, which are connected. Multiple cooling boxes are fixedly arranged on the outer wall of the gasification chamber along the combustion direction of the biomass particles. One side of each cooling box is attached to the outer wall of the gasification chamber, and one end of each cooling box is connected to a water inlet pipe. Multiple water inlet pipes are connected to a water pump, which is connected to a water tank containing cooling water. The water tank is also connected to the ends of the cooling boxes furthest from the water inlet pipes. Multiple sets of temperature sensing components, each corresponding to a cooling box, are fixedly connected to the side wall of the gasification chamber. A water inlet flow control component connected to the temperature sensing components is provided on the water inlet pipe. The temperature sensing components are used to sense the temperature at the positions directly opposite the gasification chamber and the cooling boxes, and to drive the water inlet flow control component to regulate the flow rate of the water inlet pipe. This application allows for precise cooling of the gasification chamber.