Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23D—BURNERS
  • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
  • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
  • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23D—BURNERS
  • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
  • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
  • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
  • F23D14/10—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with elongated tubular burner head
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23D—BURNERS
  • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
  • F23D2900/00012—Liquid or gas fuel burners with flames spread over a flat surface, either premix or non-premix type, e.g. "Flächenbrenner"

Definitions

• a burner device in particular for a premix burner, with at least one mixing tube unit which comprises a plurality of mixing tubes which are provided to mix a gaseous fuel with air.
• the invention is based on a burner device, in particular for a burner
• a premix burner comprising at least one mixing tube unit comprising a plurality of mixing tubes arranged to mix a gaseous fuel with air. It is proposed that the mixing tubes have a straight tube body and a conical, rounded and / or bell-shaped inlet region.
• a "burner device” is to be understood as meaning, in particular, at least one part, in particular a subassembly, of a burner, in particular of a gas burner
• a particular mechanical unit can be understood, which comprises a plurality of mixing tubes.
• the mixing tubes are intended to hen to mix a gaseous fuel with air and supply a fuel mixture at least one burner surface element of the burner device or the burner.
• the term "provided” should be understood to mean specially programmed, designed and / or equipped.Assuming that an object is intended for a specific function should in particular mean that the object fulfills this specific function in at least one application and / or operating state and / or performs.
• the mixing tubes have a straight tube body.
• the tube body is at least substantially free of bends and / or constrictions.
• the mixing tubes have no diffuser-like, angled or other, not straight tube body.
• the mixing tubes have a conical, rounded and / or bell-shaped inlet region.
• an "inlet region” is to be understood as meaning, in particular, a region adjoining a lower end of the straight tube body, through which the gaseous fuel passes into a mixing tube, in particular is blown in.
• the air also enters the mixing tube through the inlet region
• the gaseous fuel is injected from a fuel distributor of the burner device or the burner through the inlet region into the mixing tube
• the fuel distributor has a plurality of fuel nozzles, which are intended to inject the gaseous fuel into the mixing tubes at high speed
• the fuel emerging from the fuel nozzles generates a negative pressure at the inlet region, through which the air is sucked in from an environment
• each mixing tube is assigned in each case a fuel nozzle of the fuel distributor niche, rounded and / or bell-shaped design of the inlet area, the air can be sucked in particularly effective.
• the sucked-in air and the injected gaseous fuel are mixed with one another. Due to a straight tube shape of the mixing tube, a speed of the fuel mixture flowing through the mixing tube, and in particular a heat loss of the burner device due to a high Flow rate of the fuel mixture are kept advantageously low.
• the burner device or the premix burner has at least one burner surface element.
• a "burner surface element” is to be understood as a particularly passive element which is provided during operation of the burner device and / or burner with the burner device in order to form at least a part of a flame surface of the burner.
• a surface on which or above which combustion of a combustion fluid, in particular a gaseous fuel, takes place during operation of the burner device and / or of the premix burner with the burner device takes place.
• the at least one burner surface element can be formed at least partially, preferably at least to a large extent and particularly preferably completely from a porous material, such as, for example, a sintered material, a woven fabric, a knitted fabric and / or a perforated plate.
• the burner surface element is at least partially formed as a grid element.
• the burner surface element is preferably at least substantially formed by a metallic material.
• At least 60%, advantageously at least 70%, preferably at least 80% and particularly preferably at least 90% are to be understood as meaning "at least a large part.”
• the inventive design of the burner device can be a particularly cost-effective and particularly efficient one
• the mixing tubes can advantageously be produced particularly cost-effectively
• the heat loss of the burner device can be kept particularly low flowing fuel mixture on a plurality of mixing tubes, the flow rate of the fuel mixture and thus the heat loss of the burner nervous device v be reduced in part.
• at least one mixing tube of the plurality of mixing tubes comprises two mixing tube halves which are connected to one another.
• the mixing tube halves can be connected to one another in particular by means of a welding process, by means of a soldering process or by means of another process that appears reasonable to a person skilled in the art.
• a mixing tube can thus be produced particularly easily.
• a mixing tube can thus be produced particularly inexpensively.
• the at least one mixing tube unit has at least three interconnected mixing tubes.
• the at least one mixing tube unit in particular exactly three interconnected mixing tubes.
• the at least one mixing tube unit has a number of interconnected mixing tubes greater than three, in particular a number of interconnected mixing tubes, which makes sense to a person skilled in has.
• the at least three mixing tubes are connected to each other in particular via connecting elements.
• the connecting elements can in particular be connected to the at least three mixing tubes by means of a welding process, a soldering process or by means of another process, which appears meaningful to a person skilled in the art.
• Main directions of extension of the at least three interconnected mixing tubes run in particular substantially parallel to each other.
• substantially parallel is to be understood here as meaning, in particular, an orientation of the main directions of extension of the at least three interconnected mixing tubes relative to one another, in particular in one plane, the main directions of extension of the at least three interconnected mixing tubes mutually deviating, in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 ° C.
• the burner device can advantageously be made modular, In particular, advantageously a number of mixing tube units can be installed, which is required for a desired heat output.
• the mixing tubes of the at least one mixing tube unit are arranged next to one another substantially along a straight line.
• the straight line runs in particular substantially perpendicular to a main extension direction of the burner device.
• the term "substantially perpendicular" should in this case in particular define an alignment of the straight line relative to the main extension direction of the burner device, the straight line and the main extension direction of the burner device, viewed in particular in one plane, enclosing an angle of at least substantially 90 °, and Angle has a maximum deviation of in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 ° .
• several mixing tube units can advantageously be arranged on the burner device in a particularly efficient and space-saving manner.
• At least one of the mixing tubes of the at least one mixing tube unit has a diameter different from a diameter of at least one further mixing tube of the at least one mixing tube unit.
• a mixing tube arranged centrally in the at least one mixing tube unit has a larger diameter than the further mixing tubes of the at least one mixing tube unit.
• at least one other mixing tube of the at least one mixing tube unit in particular at least one mixing tube of the at least one mixing tube unit that appears reasonable to a person skilled in the art may have a diameter different from a diameter of at least one further mixing tube of the at least one mixing tube unit.
• At least one of the mixing tubes of the at least one mixing tube unit has a height different from a height of at least one further mixing tube of the at least one mixing tube unit.
• a design of the at least one mixing tube unit can advantageously be made flexible.
• the at least one mixing tube unit can advantageously be adapted precisely to a desired heat output of the burner device and / or to a desired heat distribution of the burner device.
• the mixing tubes are formed from a steel.
• all mixing tubes of the at least one mixing tube unit are preferably formed from the same steel.
• at least two mixing tubes of the at least one mixing tube unit comprise two of are formed of different steels.
• the mixing tubes can advantageously be made stable and also advantageously be produced inexpensively.
• the invention is based on a gas burner, in particular a
• Premix burner with at least one burner device according to the invention.
• the gas burner is preferably intended in particular to be used in a heating and / or hot water device.
• the gas burner is preferably arranged in particular in a heating and / or hot water device.
• the heating and / or hot water device may preferably be designed in particular as a gas boiler.
• the invention is based on a method for producing a burner device according to the invention.
• At least one mixing tube half be produced from a steel by means of a stamping process.
• Half of the mixing tube can thus be advantageously produced inexpensively.
• At least two mixing tube halves are joined together to form at least one mixing tube.
• the at least two mixing tube halves can be connected to one another by means of a welding process, by means of a soldering process or by means of another process that appears reasonable to a person skilled in the art for forming at least one mixing tube.
• the at least one mixing tube can advantageously be produced inexpensively.
• the burner device according to the invention and / or the gas burner according to the invention and / or the method according to the invention should / should not be limited to the application and embodiment described above.
• the burner device according to the invention and / or the gas burner according to the invention and / or the method according to the invention can / can to fulfill a function described herein have a number differing from a number of individual elements, components and units as well as method steps mentioned herein.
• values lying within the stated limits are also to be disclosed as disclosed and used as desired.
• FIG. 1 shows a burner device according to the invention in a perspective view
• FIG. 2 shows a mixing tube unit according to the invention in a perspective view
• Fig. 3 is an inventive gas burner with the inventive
• FIG. 4 shows a heating and / or hot water device with the gas burner according to the invention in a perspective illustration.
• FIG. 1 shows a burner device according to the invention.
• the burner device comprises six mixing tube units 10.
• the burner device may also comprise one of six different numbers of mixing tube units 10 which would appear reasonable to a person skilled in the art.
• the mixing tube units 10 are substantially perpendicular to a main direction of extension of the burner unit. arranged.
• the mixing tube units 10 are arranged substantially parallel to each other substantially perpendicular to the main extension direction of the burner device.
• the mixing tube units 10 are arranged side by side along the main extension direction of the burner device.
• the mixing tube units 10 each comprise three mixing tubes 12.
• Three mixing tubes 12 each are connected to form a mixing tube unit 10.
• the three mixing tubes 12 of each of the mixing tube units 10 are arranged substantially alongside one another next to one another.
• the mixing tubes 12 each have a straight tube body 14.
• the mixing tubes 12 each have a conical inlet region 16.
• the entry region 16 may also be rounded and / or bell-shaped.
• the inlet region 16 forms a lower end of the mixing tube 12 and adjoins the straight tube body 14.
• the mixing tubes 12 have a uniform diameter and a uniform height.
• the burner device 12 are intended to mix a gaseous fuel with air.
• the gaseous fuel is blown into the mixing tubes 12 from the fuel distributor, not shown, through the inlet region 16 at high speed.
• the high velocity of the gaseous fuel produces a negative pressure at the inlet region 16, through which air is drawn in from an environment. Due to a conical shape of the inlet region 16, the air is sucked in particularly efficiently.
• the gaseous fuel is mixed with the air to form a gaseous fuel mixture. Due to a straight tube shape and a distribution of the gaseous fuel to a plurality of mixing tubes 12, a flow rate of the gaseous fuel mixture in the mixing tubes 12 can be kept particularly low and thus a heat loss of the burner device can be kept particularly low.
• the burner device comprises a plenum chamber 18.
• the burner device comprises a plenum chamber 18.
• Plenum chamber 18 in particular at least partially formed of a metallic material.
• the mixing tubes 12 are arranged with their upper ends at least partially within the plenum chamber 18.
• the upper ends of the mixing tubes 12 are connected to the plenum chamber 18.
• the upper ends of the mixing tubes 12 can, in particular by means of a welding process, by means of a soldering process or by means of another, a skilled person appear appropriate process associated with the plenary chamber 18.
• the upper ends of the mixing tubes 12 are provided to allow a gaseous fuel mixture to flow into the plenum chamber 18.
• the plenum chamber 18 is provided to uniformly supply the gaseous fuel mixture burner surface elements 20 of a gas burner 36 (see Figure 3).
• FIG. 2 shows a mixing tube unit 10 according to the invention in a perspective view.
• the mixing tube unit 10 comprises three mixing tubes 12.
• the mixing tube unit 10 may also comprise another number of mixing tubes 12, which appears reasonable to a person skilled in the art, larger than three.
• the mixing tubes 12 each have a straight tube body 14.
• the mixing tubes 12 each have a conical inlet region 16.
• the mixing tubes 12 may also have a rounded and / or a bell-shaped inlet region 16.
• the mixing tubes 12 are formed of a steel.
• the mixing tubes 12 are formed of the same steel.
• at least one of the mixing tubes 12 of the mixing tube unit 10 is formed of a steel that is different from the steel of the other mixing tubes 12 of the mixing tube unit 10.
• Each of the three mixing tubes 12 includes a first mixing tube half 24 and a second mixing tube half 26.
• the first mixing tube half 24 and the second mixing tube half 26 are made of a steel by means of a stamping process.
• the first mixing tube half 24 and the second mixing tube half 26 are connected to each other to the mixing tube 12.
• the first mixing tube half 24 and the second mixing tube half 26 are connected to the mixing tube 12 by a welding process, by a soldering process or by another process which appears reasonable to a person skilled in the art.
• the mixing tubes 12 are arranged substantially along a straight line next to one another.
• the mixing tubes 12 are connected to each other.
• the mixing tubes 12 are connected to each other by means of connecting elements 28.
• the connecting elements 28 are formed from the same steel as the mixing tubes 12.
• the connecting elements 28 can be made from a steel which differs from the steel of the mixing tubes 12 or from another, which is useful to a person skilled in the art. be formed appearing material.
• the connecting elements 28 are connected to the mixing tubes 12 by means of a welding process, by means of a soldering process or by means of another process, which appears reasonable to a person skilled in the art.
• Two outer of the three mixing tubes 12 of the mixing tube unit 10 have an at least substantially identical diameter 30.
• a middle of the three mixing tubes 12 of the mixing tube unit 10 has a diameter 32 which is greater than the diameter 30 of the two outer of the three mixing tubes 12 of the mixing tube unit 10.
• the three mixing tubes 12 have the same height.
• Figure 3 shows a gas burner 36 according to the invention with the burner device according to the invention in a perspective view.
• the gas burner 36 comprises the burner device with six mixing tube units 10.
• One of the six mixing tube units 10 of the burner device can be seen on the front side of the gas burner 36, viewed along the main extension direction of the gas burner 36.
• the further mixing tube units 10 are covered by a housing 34 of the gas burner 36.
• the mixing tube units 10 each comprise three mixing tubes 12.
• the burner device further comprises the plenum chamber 18.
• the gas burner 36 comprises a plurality of burner surface elements 20 arranged at least substantially in one plane 22.
• the gas burner 36 comprises ten burner surface elements 20.
• the gas burner 36 may also be one of ten different ones, which makes sense to a person skilled in the art appearing number of burner surface elements 20.
• the burner surface elements 20 are formed of a porous, metallic material.
• the main directions of extension of the burner surface elements 20 are substantially perpendicular to the main extension direction of the gas burner 36.
• the main directions of extension of the burner surface elements 20 are substantially parallel to each other.
• the burner surface chenetti 20 are arranged along the main extension direction of the gas burner 36 side by side.
• the burner surface elements 20 are provided to form at least a portion of a flame surface of the gas burner 36 during operation of the gas burner 36.
• FIG 4 shows a heating and / or hot water device 38 with the gas burner 36 according to the invention in a perspective view.
• the heating and / or hot water device 38 is exemplified as a gas boiler.
• the gas burner 36 is disposed within the gas boiler and covered by a housing of the gas boiler.
• the gas burner 36 is indicated by a volume bordered by a dashed line.

Landscapes

• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Gas Burners (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=63840812

Family Applications (1)

Country Status (3)

Family Cites Families (3)

• 2017
  • 2017-10-03 PT PT110323A patent/PT110323B/pt active IP Right Grant
• 2018
  • 2018-10-04 EP EP18785890.7A patent/EP3692305A1/de active Pending
  • 2018-10-04 WO PCT/EP2018/076966 patent/WO2019068791A1/de unknown

Also Published As

Similar Documents

Legal Events