827results about "Solid fuel combustion" patented technology

A wood pellet patio heater having a rocket stove with a replaceable cartridge, secondary air control, and a heat reflector is described. The rocket stove having the replaceable cartridge of the wood pellet patio heater provides increased efficiency (i.e. less consumption of fuel over time). The secondary air control of the wood pellet patio heater facilitates combustion, and thus provides temperature control, where temperature control will require varying amounts of air depending on the quality of the fuel source. The heat dome provides increased heat profile.

The invention relates to a chemical looping combustion variable load system based on flue gas recirculation and a control method. The system comprises a chemical looping combustion system and a flue gas recirculation system (7), the chemical looping combustion system comprises an air reactor (1), a fuel reactor (2), an AR cyclone separator (3), an FR cyclone separator (4), an AR material return device (5), an FR material return device (6), an air supply system (8) and a fuel supply system (9). By controlling the flow and temperature of recirculated flue gas of the flue gas recirculating system and cooperatively controlling the opening degree of the conical valve and the circulating flux of the system, the load of the chemical looping combustion system is flexibly adjusted, the energy consumption is reduced, the efficiency is improved, and the operation cost is reduced; and the rest high-temperature flue gas enters a flue gas treatment system to be treated, high-purity CO2 gas is obtained after heat exchange, condensation and purification, and finally efficient combustion of fuel and low-energy-consumption carbon capture are achieved.

The invention discloses a biomass blending combustion coal-fired power generation system and method based on low-temperature aerobic upgrading. The system comprises a biomass bin, and a crushing unit is arranged at a discharge port of the biomass bin; the discharging end of the crushing unit is sequentially connected with a low-temperature aerobic upgrading device, a coal bunker unit and a coal mill through a conveying mechanism; the coal mill is connected with a coal-fired boiler, and the coal-fired boiler is provided with an SCR reactor; a heat source inlet of the low-temperature aerobic upgrading device is connected to a tail flue behind the SCR reactor, and tail flue gas of the SCR reactor is used for heating; tail gas of the low-temperature aerobic upgrading device is conveyed to the coal-fired boiler through the centrifugal fan to be combusted and purified, and the system achieves real-time monitoring and control through the central control system and the monitoring unit. According to the invention, high-efficiency and low-cost treatment can be carried out on the biomass, the problems of moisture content, high volatile components, grindability and the like of the biomass are effectively improved while the high energy recovery rate is reserved, and large-scale stable blending combustion of the biomass in a large coal-fired boiler is realized.

The invention discloses an air preheating biomass boiler, belongs to the technical field of boilers, and aims to solve the problems of low combustion efficiency, insufficient flue gas waste heat utilization and particulate matter emission of a traditional biomass boiler. Function optimization is achieved through a main body structure composed of a furnace body, a charging barrel and a rotating pipe, a double-spiral-disc heat exchange assembly is arranged in the charging barrel, biomass fuel is preheated through boiler exhaust smoke waste heat, meanwhile, smoke is discharged through exhaust holes after being distributed through spiral disc gas storage cavities, and unburned particles are filtered by a biomass layer and carried to a hearth to be subjected to secondary combustion; an air inlet cavity is formed in the rotating pipe, and air is preheated through the fixed pipe and the first connecting pipe and then input into the hearth. The exhaust assembly adopts a sliding rod and sealing block matched structure, and a convex block mechanism driven by a rotating pipe drives the sealing block to periodically move, so that gas in the charging barrel is intermittently exhausted through a double-layer filter screen. According to the boiler, the heat efficiency is improved through a smoke-air two-way preheating and particulate matter secondary combustion mechanism, and the biomass preheating, air heating and emission treatment process is optimized.

To provide a combustible material incineration facility equipped with one or more air injection devices having air injection ports that forcibly inject air or heated air toward the combustion section in order to incinerate combustible materials at high temperature and high speed. [Solution] The combustible material incineration equipment 100 of the present invention comprises a combustible material incineration stand 30 having a combustible material incineration stand surface 10 formed with a space between it and the ground and made of a plurality of steel materials 12 arranged at intervals, and left and right inclined stand sections 20 equipped with rod-shaped members arranged in a V-shape when viewed from the side so as to extend on both sides and upward, the rod-shaped members of the left and right inclined stand sections 20 being at least one of sliding, foldable and detachable, or a combination thereof, so that the protruding length can be adjusted, and the combustible material incineration equipment 100 is equipped with an air injection device 40 arranged around the combustible material incineration stand 20 and forcibly injecting air or heated air toward the combustible material burning section on the combustible material incineration stand surface 10.

A flow channel controller of a visual solid propellant high-pressure combustion device relates to the technical field of solid propellant high-pressure combustion devices and comprises an annular cylinder, a middle cavity of the annular cylinder is a central circulation channel, and the wall of the annular cylinder is composed of a plurality of flow channel controller concave parts and flow channel controller convex parts which are alternately and annularly distributed in sequence; the concave part of the flow channel controller forms circulating backflow flow channels, and each circulating backflow flow channel is communicated with the central circulation channel; the flow channel controller protruding part is used for changing the flowing direction of internal circulation gas, and the interior of the flow channel controller protruding part is a hollow groove body used for reducing weight. After the internal circulation flowing gas impacts the upper flange end cover of the high-pressure combustion chamber, the airflow flowing area is adjusted through the flow channel controller, and the situation that particles carried by the internal circulation flowing gas affect the observation view range is avoided.

The invention discloses a direct blowing type biomass burner, and relates to the technical field of biomass boilers or coal-fired boilers for mixed combustion of biomass. The problems that according to an existing biomass and coal co-combustion burner, biomass is prone to blockage, ignition stability is poor, burnout is low, and NOx emission is unstable are solved. A perturbed air pipe, a stable combustion air pipe and a combustion nozzle are sequentially connected end to end, the tail end of a conveying pipe is coaxially inserted into the perturbed air pipe and the stable combustion air pipe, the tail end of the conveying pipe is connected with a necking pipe, the tail end of the necking pipe extends into the combustion nozzle, and a partition annular plate is arranged in the joint of the perturbed air pipe and the stable combustion air pipe. The tail end of the perturbed air pipe is connected with a perturbed air inlet pipe, a dispersed perturbed air inlet is formed in the pipe section, extending into the perturbed air pipe, of the conveying pipe, a dispersed perturbed air pipe is inserted into the dispersed perturbed air inlet, the stable combustion air pipe is provided with a stable combustion air inlet, and a stable combustion air inlet pipe is inserted into the stable combustion air inlet. The biomass burner can be directly applied to a large coal-fired boiler.

The invention discloses a device and method for denitrification by co-combustion of microwave-activated coke. The device includes a coal feeding hopper and a furnace. Coal is input onto a chain grate, and the coal cinder after combustion enters an ash hopper. The flue gas flows out through the outlet flue of the chain grate. The tail of the outlet flue of the chain grate is connected to the outlet flue of a dust collector, and a dust collector is arranged on the outlet flue of the dust collector. The tail of the outlet flue of the dust collector is respectively connected to a draft fan and a flue gas recirculation flue. Part of the flue gas flows out through the draft fan, and the other part of the flue gas enters the flue gas recirculation flue. A feeder on the flue gas recirculation flue inputs coke into the flue. The coke is mixed with the flue gas and then enters a microwave generator. The reacted coke is sprayed into the furnace through a coke spray gun. The ability of coke to reduce nitrogen oxides is improved by the microwave activation effect, and then the reacted coke is sprayed into the high-temperature and low-oxygen space in the furnace. While the coke is cyclically burned out, nitrogen oxides are also removed, and no secondary pollution to the environment will be caused.

The utility model relates to the field of electric power technology, and discloses a waste heat recovery device for a power plant based on an absorption heat pump, comprising a recovery tank; an air duct and a water duct are arranged inside the recovery tank, and the air duct is located inside the water duct; the waste heat recovery device for a power plant based on the absorption heat pump can increase the contact time between cooling water and high-temperature exhaust gas by installing the cooperation of the water duct and the air duct, so that the high-temperature exhaust gas can be uniformly absorbed, and the water flow can be made to flow in a vortex shape by the cooperation of a stirring plate, so that the water flow can be uniformly contacted with the water duct, and the cooperation of a circulating water pump can make the cooling water with a higher temperature flow back into the recovery pipe, accelerate the heat absorption speed and enable the cooling water to heat up quickly, and the nitrogen oxide control agent can be sprayed during the rotation of the atomizing nozzle by installing the atomizing nozzle, and the cooperation with the mixing plate can make the atomizing nozzle uniformly contact with the exhaust gas in the purification tank, thereby improving the treatment efficiency of the exhaust gas.

The present application relates to solid waste treatment technical field, especially a reciprocating mechanical grate furnace and grate jam determination processing method, real-time collection of the motion parameters of the reciprocating grate; based on the above motion parameters, in the automatic mode operation process, the grate jam determination module determines whether the sliding grate of each stage occurs jam failure; if it is determined that the jam failure occurs, the system switches to the automatic emergency processing mode operation, and the grate jam automatic emergency processing module automatically handles the jam failure; when the factors of the jam failure disappear, the motion mode of the sliding grate of this stage is switched to the automatic mode, and the grate jam flag is automatically reset; the reciprocating grate jam is determined, and appropriate automatic emergency processing is made, the influence of mechanical jam caused by metal parts, bricks and stones and the like on the stable and continuous operation of the reciprocating grate furnace is reduced, and the comprehensive benefits of general industrial solid waste treatment plants are improved.

A burner process for iron fuel combustion, comprising the steps of: providing an iron fuel suspension medium comprising iron fuel and oxygen in a suspension solid density of between 2 to 15 kg / Nm3 and more preferably of between 4 to 8 kg / Nm3; introducing said iron fuel suspension medium into an iron fuel burner arrangement at a velocity of between 5.5 and 55 m / s and more preferably between 20 and 40 m / s; introducing air from air inlet means into said iron fuel burner arrangement, wherein said air from said air inlet means is introduced with an overall angular momentum ratio between said air and said iron fuel suspension medium of between 3 and 12 and more preferably between 3.8 and 8.9; mixing said iron fuel suspension medium by subjecting it with said air such that an overall oxygen-to-fuel equivalence ratio is obtained between 1.0 and 2.5 and more preferably between 1.2 and 1.8 for obtaining a combustible medium in the said burner arrangement; igniting said combustible medium to provide a combusting iron fuel containing medium.

The invention discloses a small gasification grate boiler for burning biomass bulk materials and an operation method thereof.The small gasification grate boiler comprises a grate set and a gasification hearth, and the grate set comprises a gasification grate and a burnout grate which are separated by a partition wall area; a first air chamber used for supplying quantitative air to the position above the gasification fire grate is arranged below the gasification fire grate, a second air chamber used for supplying quantitative air to the position above the burnout fire grate is arranged below the burnout fire grate, and a gasification combustion space located above the gasification fire grate is defined by the gasification hearth. A secondary air inlet used for supplying quantitative air into the gasification combustion space is formed in the hearth wall of the gasification hearth, according to the small gasification grate boiler, the grate is segmented, and the air amount supplied for combustion is controlled in all stages, so that gasification combustion of fuel is achieved; and the property difference between different substances of the biomass bulk material is flattened in the gasification combustion process, so that the biomass bulk material fuel with large heat value difference can be combusted, and the operation efficiency and the cost of the boiler are not influenced.

The invention discloses a biomass double-hearth combustion furnace with a direct-flow burner and a rotational-flow burner arranged at the bottom, and relates to the technical field of combustion equipment. The problems that an existing combustion device is insufficient in adaptability to the particle size of biomass particles, and large-particle biomass is difficult to burn out completely are solved. A direct-current burner is connected with the outer wall of an inner-layer furnace and the inner wall of an outer-layer furnace through a posture adjusting assembly, a turbulent burner and an inner-layer furnace combustion chamber which are embedded inside and outside are installed at the bottom of the inner-layer furnace, a through turbulent burner is installed at the bottom of the inner-layer furnace combustion chamber, and a third smoke exhaust channel is formed in the upper portion of the inner-layer furnace. An outlet of a first smoke exhaust channel in the upper portion of the outer-layer furnace is communicated with a third smoke exhaust channel, an outlet of a second smoke exhaust channel is communicated with an inlet of a cyclone separator, an outlet in the upper end of the cyclone separator is communicated with an inlet of a turbulent burner through a combustible gas connecting pipeline, and an outlet in the lower end of the cyclone separator is communicated with a combustion chamber of the inner-layer furnace through a carbon residue channel. The biomass burner is used for achieving sufficient burning of large-particle biomass, and the burn-off rate is increased.

The invention provides a high-temperature heat storage method and system of a coupling peak regulation boiler. The method comprises the steps that hot flue gas of the peak shaving boiler and a low-temperature solid particle heat storage material are mixed and subjected to heat exchange, and a high-temperature solid particle heat storage material is obtained; the high-temperature solid particle heat storage material is stored in a heat preservation mode; the high-temperature solid particle heat storage material exchanges heat with water or water vapor to generate high-temperature steam, and at least part of the high-temperature steam is used for power generation; carrying out mixed heat exchange on the high-temperature solid particle heat storage material and gas to obtain high-temperature flue gas; and at least part of the high-temperature flue gas is sent back into the peak regulation boiler. The technical scheme can be widely applied to the technical field of boiler peak regulation.

A stove is provided that includes a combustion chamber, a fuel grate disposed within the combustion chamber, and a pellet adapter removably positionable on the fuel grate. The fuel grate includes a plurality of first vent holes. The pellet adapter includes a plurality of second vent holes sized and shaped to prevent the passage of fuel pellets. The pellet adapter also includes a raised outer rim and a central protrusion having a height greater than the height of the raised outer rim.

The invention discloses a power generation combustion boiler capable of improving combustion efficiency, which comprises a boiler body, a gas supply device is arranged on one side of the boiler body, the gas supply device is used for feeding oxygen and fuel gas required by combustion into the boiler body, and the gas supply device is further used for feeding combustible gas or dust which is not fully combusted in the boiler body into the boiler body again to be combusted again. A material bearing mechanism, a material turning mechanism and a material vibrating mechanism are arranged in the furnace body, the material bearing mechanism is used for bearing fuel, and the material turning mechanism is matched with the material bearing mechanism and rotates around the center in the furnace body to turn materials in the furnace body. The air holes formed in the surface of the material bearing plate can upwards blow out vortex airflow to blow fuel in the furnace, the fuel can become loose through vibration of the material vibration mechanism, pores among the fuel can be completely opened, combustion-supporting gas can be fully mixed with the fuel, combustion is promoted, the fuel in the furnace is continuously turned over through the material turning mechanism in the combustion process, and the combustion efficiency is improved. Fuel combustion is further promoted, and combustion efficiency is improved.

The invention discloses a high-temperature energy storage and air separation system and method for s-CO2 cycle power generation under oxygen-enriched combustion. The high-temperature energy storage and air separation system comprises a heat storage and release and air separation subsystem and a cycle power generation subsystem. The heat storage and release and air separation subsystem comprises a heat storage reactor, a heat exchanger, an oxygen storage tank, a nitrogen storage tank and a heat exchange and storage tank; the cycle power generation subsystem comprises an oxygen-enriched combustion unit and a supercritical CO2 Brayton cycle power generation unit; the oxygen-enriched combustion unit comprises an oxygen storage tank, a combustion chamber, a denitration device, a dust remover, a desulfurization device, a compression purification device and a CO2 trapping device; the supercritical CO2 Brayton cycle power generation unit comprises a turbine unit, a heat regenerator, a power generator, a condenser and a compressor; according to the invention, a novel heat and energy storage and air separation technology is matched with a supercritical CO2 cycle power generation system under oxygen-enriched combustion, and a power generation system design scheme capable of realizing oxygen self-supply, CO2 separation and high system efficiency is formed.

The invention relates to the technical field of flue gas purification and recovery, in particular to an ultralow emission system and method for chemical looping combustion flue gas. The system comprises a fuel reactor, a flue gas outlet of the fuel reactor is connected with an inlet of a cyclone separator, and a first nitrogen oxide removal unit and a second nitrogen oxide removal unit are sequentially arranged on an outlet flue of the cyclone separator; the outlet flue is sequentially connected with the dust removal unit, the desulfurization unit and the recycling unit, and part of flue gas treated by the dust removal unit is used for diluting a denitration reducing agent in the second nitrogen oxide removal unit and / or returns to the fuel reactor for cyclic utilization; and part of recycled flue gas treated by the recycling unit is at least used for atomization of a denitration reducing agent in the first nitrogen oxide removal unit, and / or returns to the chemical looping coal feeding system. According to the system and the method, a whole-process treatment link of denitration, dust removal, desulfurization and carbon dioxide capture and recovery of the chemical looping combustion flue gas is constructed, corresponding pollutants are accurately removed by each unit, and the flue gas is recycled.

The utility model relates to a water-cooled fire grate which is provided with a pivot header, the pivot header is a long and thin pipe fitting and is suitable for penetrating through a water cooling wall of a boiler to be rotatably supported, so that the water-cooled fire grate can rotate around the pivot header to adjust the inclination angle, and a water inlet and a water outlet are respectively formed in the end parts of the two sides of the pivot header. The utility model further relates to a boiler comprising the fire grate, the two ends of the pivot header of the water-cooled fire grate extend to the outer sides of the two side wall water-cooled walls respectively and are rotatably supported by supporting pieces, and the pivot header is provided with a water inlet assembly and a water outlet assembly around the water inlet and the water outlet respectively. According to the water-cooled fire grate, the water-cooled fire grate is provided with the pivot header, so that the water-cooled fire grate can rotate greatly around the pivot header, and a large inclination angle can be adjusted. In addition, due to the fact that a water-cooling structure is used, the temperature of the whole water-cooling fire grate is greatly reduced compared with that of a non-water-cooling structure, adhesion and coking of fuel can be avoided, and parts are prevented from being damaged by high-temperature smoke.

The biomass particle hot blast stove comprises a stove body, a feeding assembly, a combustion assembly, a heat exchange assembly and a smoke exhaust assembly. The combustion assembly is arranged in the furnace body, a combustion chamber of the combustion assembly is sequentially divided into a drying pyrolysis area, a main combustion area and a burnout area in the conveying direction of biomass particles, and ordered partitioned combustion of preheating, sufficient combustion and complete burnout of fuel is achieved; the heat exchange assembly comprises a first heat exchange set arranged above the combustion assembly and a second heat exchange set arranged in the circumferential direction of the combustion assembly, and a three-dimensional and multi-layer waste heat recovery structure is formed. The combustion efficiency and the burn-off rate of the biomass particles are obviously improved; through the first heat exchange set and the second heat exchange set, efficient and sufficient recovery of combustion waste heat is achieved, and the overall heat efficiency and the energy utilization rate of the hot blast stove are greatly improved.

The energy-saving combustion stepped furnace comprises a stepped furnace body and a feeding opening formed in one side of the stepped furnace body, the feeding opening is provided with a feeding assembly, the feeding assembly comprises a feeding frame used for conveying coal, an extrusion assembly is arranged above the feeding frame, and the extrusion assembly is arranged above the feeding frame; a grating plate and turning plates are arranged in the middle and at the two ends of the output end of the feeding frame correspondingly, guide assemblies are arranged on the turning plates correspondingly, each guide assembly comprises a guide plate slidably arranged on the grating plate, a lifting assembly and a locking assembly are arranged on the guide assemblies on the two sides correspondingly, and the extrusion assembly is used for extruding bamboo scraps into balls; the guide assembly drives the guide plate to guide coal when the turning plates on the two sides are turned over, the lifting assembly is used for driving the grating plate to ascend and descend, and the locking assembly is used for locking the grating plate, so that fuel evenly flows on the steps, and the combustion effect is improved.

A furnace includes a combustion chamber, a fuel grate positioned within the combustion chamber, and a particle adapter removably positionable on the fuel grate. The fuel grate includes a plurality of first vent holes. The particle adapter includes a plurality of second vents sized and shaped to prevent passage of fuel particles. The particle adapter also includes a raised outer edge and a central bump having a height greater than that of the raised outer edge.

There is provided a flow-directing apparatus for a furnace for curing tobacco, the flow-directing apparatus comprising: one or more flow guides arranged to form a primary fluid flow path to guide a primary fluid flow from a primary combustion chamber of the furnace to a mixing region of the furnace; and one or more bypass channels arranged to form a secondary fluid flow path for receiving a secondary fluid flow from an inlet, wherein the secondary fluid flow path bypasses at least part of the primary fluid flow path, wherein an outlet of the one or more bypass channels is arranged to feed into the mixing region to cause the primary fluid flow and the secondary fluid flow to mix.

The utility model belongs to the technical field of cable combustion tests, and relates to a combustion chamber for a cable bunching combustion testing machine. The device comprises a combustion box, a smoke exhaust pipe is fixedly connected to the top of the combustion box, a supporting frame is fixedly connected to the vertical outer wall of the combustion box, a box door is fixedly connected to the side wall of the front side of the combustion box, a box door lock is fixedly connected to the combustion box, and a cable fixing frame is slidably connected into the combustion box. An ignition machine is placed on the inner wall of the bottom of the combustion box, and the bottom of the combustion box is connected with a combustion impurity collecting mechanism. According to the utility model, solid impurities can be prevented from raising, the convenience of cleaning the combustion chamber for the cable harness combustion test is effectively improved, the ignition position of the cable harness can be flexibly adjusted according to ignition requirements, and the flexibility of the cable harness combustion test is effectively improved.

To provide a method for building a stable society by improving an energy cost and the like.SOLUTION: A sled and the like are used. A structure for properly arranging water and the like is made.SELECTED DRAWING: Figure 1

The invention relates to a hot-blast stove which comprises a stove body, the stove body comprises a plurality of layers of main shells which are sequentially arranged from outside to inside, and a hot air channel or a flue gas channel is formed between every two adjacent layers of main shells; the combustion chamber is arranged in the furnace body, and the combustion chamber is communicated with the smoke flue; the smoke outlet is formed in the furnace body, and the smoke outlet is communicated with the smoke flue; the air inlet is formed in the furnace body, and the air inlet is communicated with the hot air duct; the air outlet is formed in the furnace body, and the air outlet is communicated with the hot air channel. The furnace body is provided with the multiple layers of shells, the hot air channel and the smoke channel are formed between the adjacent shells, air enters the hot air channel from the air inlet, smoke enters the smoke channel from the combustion chamber, after heat exchange is conducted between the air inlet and the smoke channel, hot air is discharged from the air outlet, and smoke is discharged from the smoke outlet, so that production space is not occupied, the structure is simple, cost is low, and the shell area is large; the heat conduction efficiency is high and the heat exchange efficiency is improved.

Provided are systems and methods for transport vehicles using recyclable metallic fuels. The method includes capturing fuel products, including a metal oxide and unburnt fuel from the combustion of a metallic fuel, storing the unburnt metallic fuel and the fuel products, and recycling the metal oxide to recreate the metallic fuel and / or byproducts. Heat generated by the combustion and / or sintering of the metallic fuel may be transferred to a working fluid to drive the production of electricity and / or to provide propulsion in land, air and water vehicles and spacecraft. Furthermore, the thermal energy harvesting system may be used to generate electricity. The system includes a thermal (heat) engine having an induction heating assembly for heating the metallic fuel. Processes for complete combustion of the metallic fuel and recycling the metallic fuel in a sintering loop are described.

The utility model discloses a system for synchronously preparing biochar with different qualities. The system comprises a starting device, a combustion chamber, a first carbonization device, a second carbonization device and an alkali metal element recovery device, combustible gas generated in biomass carbonization by the starting device, the first carbonization device and the second carbonization device is input into the combustion chamber for combustion, and energy consumption can be reduced. A first flue gas input port of the first carbonization device is hermetically connected with a first flue gas output port of the combustion chamber; a second flue gas output port of the first carbonization device is hermetically connected with a second flue gas input port of the second carbonization device; a third flue gas output port of the second carbonization device is hermetically connected with a third flue gas input port of the alkali metal element recovery device; the flue gas utilization efficiency can be improved, and energy consumption is reduced. The product output port of the second carbonization device is further connected with the second raw material input port of the alkali metal element recovery device, and the alkali metal element recovery device is added, so that waste of alkali metal elements is avoided.

Gasification processes are disclosed, which can implement one or more strategies for heating and humidifying the gasifier effluent, as needed for effective hydrogen enrichment through the water-gas shift (WGS) reaction that converts H2O. Particular aspects, in carrying out these strategies, relate to the use of an evaporator upstream of a WGS reactor and operating at a comparable pressure (e.g., at least about 10 bar, at least about 20 bar, or at least about 30 bar, such as in a range from about 30 bar to about 100 bar). Such high-pressure evaporator may provide sufficient water vapor content, for effective generation of H2 via the WGS reaction, as needed for downstream uses. Advantageously, heat and / or material (e.g., condensate) sources may be available within the process itself, and integrated to meet at least some of the operational demands of the evaporator.

A smoker configured to infuse smoke into flavor and / or taste of a beverage or food includes a body member having a through bore extending from a first end of the body member to an opposite second end of the body member in a first direction and an insert configured to be received in the through bore at the first end and retained by the through bore at a position between the first end and the second end. The through bore and the insert are configured to define a chamber for receiving a combustible material between the insert and the first end, the through bore is configured to permit a flow of smoke from the combustible material out the through bore at the second end of the body member, and the second end of the body member is configured to rest on a rim of a container to block the flow of air from the container where a surface of the second end of the body member contacts the rim.