31results about How to "Play a role in stabilizing the flame" patented technology

The invention discloses a ground gas turbine single-tube combustion chamber adopting axial gas inflow. The ground gas turbine single-tube combustion chamber comprises a combustion chamber gas inlet pipeline, a case and a combustion chamber outlet section. The upper end of the case is connected with the combustion chamber gas inlet pipeline, the lower end of the case is connected with the combustion chamber outlet section, and a flame barrel is mounted on the combustion chamber outlet section. The flame barrel is connected with the combustion chamber gas inlet pipeline through a natural gas inlet pipeline; a natural gas nozzle, a first-level hydrocyclone assembly and a second-level hydrocyclone assembly are mounted at the top end of the head of the flame barrel, and the natural gas nozzle is sleeved with the first-level hydrocyclone assembly and the second-level hydrocyclone assembly. A plurality of natural gas injection holes are formed in the natural gas nozzle; a main combustion hole is formed in the upper side of the middle section of the flame barrel, and an igniter mounting assembly is arranged at the upper end of the main combustion hole; a mixing hole is formed in the lower side of the middle section of the flame barrel. The invention further discloses internal structures of the hydrocyclone assemblies. According to the combustion chamber, fuel and air can be mixed fast and evenly, a stable reflux area is formed at the head of the flame barrel, and the overall service life of the combustion chamber is prolonged.

The invention relates to a burner for a gas stove. The burner comprises an outer ring gas mixing chamber, wherein the outer ring gas mixing chamber comprises an inner ring wall surface, an outer ringwall surface and a bottom wall; the inner ring wall surface and the outer ring wall surface are annular and arranged concentrically at an interval; the bottom wall is connected with the inner ring wall surface and the outer ring wall surface; an outer ring fire cover covers the upper parts of the inner ring wall surface and the outer ring wall surface; the outer ring fire cover comprises an annular body; the inner side edge of an annular top surface of the body extends downward to form an inner annular wall abutting against the inner ring wall surface; and the outer side edge of the annular top surface of the body extends downward to form an outer annular wall abutting against the outer ring wall surface. The burner for the gas stove is characterized in that the outer annular wall and theouter ring wall surface form a flame stabilizing channel communicating with the outer ring gas mixing chamber, and the cross section of the flame stabilizing channel is V-shaped; and compared with theprior art, the burner for the gas stove has the advantages that on one hand, the V-shaped flame stabilizing channel can play a flame stabilizing role, and on the other hand, it is easy for overflow liquid to remain at the middle tip part of the flame stabilizing channel after entering the flame stabilizing channel, so that the blockage of an air inlet communicating with the outer ring gas mixingchamber in the flame stabilizing channel is avoided.

The invention belongs to the technical fields of turbine engines and particularly relates to flame stabilizers for a backflow combustor. The section of the pneumatic stabilizing part of each stabilizer is a semi-circle-arc pipe, and the stabilizers have the features of stable flame, strong vortexes and high flame stabilizing capacity. Arc-shaped sections are adopted for the lower half parts of the stabilizers, barriers to other jet flow holes can be reduced, and the total pressure loss is reduced. Cavities are designed in the flame stabilizers. The wall faces of the flame stabilizers can be cooled effectively, low-speed air can be supplemented to specific regions of the combustor as well, and the effect of stabilizing flame is achieved. According to the scheme, through the simple structural form, the combustor can work efficiently and stably, the lean oil flameout boundary can be enlarged obviously, combustion efficiency is improved and meanwhile production cost is lowered; and it is proved by tests that by means of the jet flow holes in the cooling manner, it can be guaranteed that the service life of the wall faces of the jet flow hole part of the combustor is up to 300 h under the conditions that the temperature of the combustor rises over 800 K and cooling air is higher than 500 K.

The invention discloses a touch sensitive type stove convenient to wash and high in burning efficiency. The touch sensitive type stove comprises a bottom shell, a panel, furnace ends, electromagneticvalves, double-layer liquid containing discs, distributors, pot supports I, energy gathering rings, a touch display assembly and a controller. The double-layer liquid containing discs, the distributors, the pot supports I and the energy gathering rings are all coaxially arranged at the upper ends of furnace end holes I. According to the stove, work of the stove is controlled through touch keys, auser only needs to touch the keys by finger, no physical damage or mechanical abrasion is generated, and the requirements of the majority of users, especially young users can be met. By means of the double-layer liquid containing discs, the situation that soup, oil dirt and other liquid flow into internal space of the stove, so that normal use of the stove is affected is avoided; the distributorsare convenient to mount and dismount, secondary air needed by burning can be better supplemented, burning is more sufficient, exhausted carbon monoxide is less, and higher energy saving and environmental protection are achieved; and the energy gathering rings are convenient to mount and dismount, heat losses generated after gas burning can be effectively reduced, and the heat response utilizationrate is increased.

The invention discloses a burner single piece. The burner single piece comprises a fire grate shell with an ejector tube and an upper opening, and a burning plate arranged on the upper opening, a strip-shaped fire hole is formed in the burning plate and is characterized in that at least one row of round auxiliary fire holes are formed in the two sides of the strip-shaped fire hole correspondingly; two rows of auxiliary fire holes are additionally formed in the two sides of the strip-shaped fire hole and a width value of a top plate of the burning plate is increased, so that the total area of the fire holes is increased, therefore the heat intensity and the noise of the fire holes are reduced, meanwhile, auxiliary flame is provided by the auxiliary fire holes, and the flame stabilizing effect is achieved for the burn; two side plates of the burning plate and two inclined plates of the top plate are flexibly applied with an inclined surface design, so that the flow resistance loss is reduced, the distribution of the outlet pressure is more uniform, and burning flame is more stable; and meanwhile, the inclined surface design can be adapted to different the width sizes of the fire holes and flow channels.

The invention discloses a fire cover. According to the scheme, flame stabilizing fire hole channels communicate with main fire hole channels and do not directly communicate with the interior of a gascavity; according to the function of the flame stabilizing fire hole channels, part of gas entering the main fire hole channels from the gas cavity can flow into the flame stabilizing fire hole channels in a dividing manner, accordingly, on one hand, the gas flow of main fire hole channel outlets can be better reduced, and accordingly the phenomenon of arcing at the main fire hole channel outlet positions is reduced; and on the other hand, during work, flames combusting at the tail ends of the flame stabilizing fire hole channels can pull flames combusting at the main fire hole channel outletpositions, accordingly, the flame stabilizing function is achieved, and the flame stabilizing fire hole channels are good in practicability. In addition, according to the function of an annular groovein the scheme, air supplementing is conveniently conducted on the left side and the right side of each flame stabilizing fire hole channel outlet, the flames at the flame stabilizing fire hole channel outlet positions are better combusted towards the two sides of the annular groove, the transverse width of the stabilized flame fire is increased, and the flames combusting at the main fire hole channel outlet positions are better pulled.

The invention discloses a cooker convenient to clean, easy to adjust and with an energy gathering ring. The cooker comprises a bottom shell, a panel, a burner, a valve body, a double-layer liquid holding disc, a fire distributor, a pan support I, the energy gathering ring and a knob. The double-layer liquid holding disc, the fire distributor, the pan support I and the energy gathering ring are allcoaxially arranged at the upper end of a burner hole I. The fire distributor is installed at a gas outlet of the burner and comprises an outer ring fire distributor and an inner ring fire distributor. The outer ring fire distributor is provided with an inner side burning hole and an outer side burning hole. Work of the cooker is controlled by the traditional mechanical knob, needs of many consumers can be met, and operation and cleaning are more convenient through the mechanical knob especially for middle and old age consumers often using mechanical knobs. Through the double-layer liquid holding disc, soup, oil dirt and other liquids are prevented from flowing into the inner space of the cooker and from influencing normal use of the cooker. The energy gathering ring is convenient to install and detach, heat loss generated after gas burning can be reduced effectively, and the heat utilization rate is increased.

The invention discloses a ground gas turbine single-tube combustion chamber adopting axial gas inflow. The ground gas turbine single-tube combustion chamber comprises a combustion chamber gas inlet pipeline, a case and a combustion chamber outlet section. The upper end of the case is connected with the combustion chamber gas inlet pipeline, the lower end of the case is connected with the combustion chamber outlet section, and a flame barrel is mounted on the combustion chamber outlet section. The flame barrel is connected with the combustion chamber gas inlet pipeline through a natural gas inlet pipeline; a natural gas nozzle, a first-level hydrocyclone assembly and a second-level hydrocyclone assembly are mounted at the top end of the head of the flame barrel, and the natural gas nozzle is sleeved with the first-level hydrocyclone assembly and the second-level hydrocyclone assembly. A plurality of natural gas injection holes are formed in the natural gas nozzle; a main combustion hole is formed in the upper side of the middle section of the flame barrel, and an igniter mounting assembly is arranged at the upper end of the main combustion hole; a mixing hole is formed in the lower side of the middle section of the flame barrel. The invention further discloses internal structures of the hydrocyclone assemblies. According to the combustion chamber, fuel and air can be mixed fast and evenly, a stable reflux area is formed at the head of the flame barrel, and the overall service life of the combustion chamber is prolonged.

The invention discloses a wireless control stove convenient to clean and high in combustion efficiency. A bottom shell, a panel, burners, electromagnetic valves, double-layer liquid containing discs,distributors, pot supports I, energy gathering rings, a key assembly, a controller and an intelligent terminal are included. The double-layer liquid containing discs, the distributors, the pot supports I and the energy gathering rings are coaxially arranged at the upper ends of burner holes I. According to the stove, a user can control the stove in a kitchen and can also remotely control the stove, and the danger possibly happening when the user forgets to turn off the fire and goes out is effectively avoided. Through the double-layer liquid containing discs, the situation that soap, oil dirtand other liquid flow into the inner space of the stove, and normal usage of the stove is influenced is avoided. The distributors are convenient to mount and dismount, secondary air needed for combustion can be better supplemented, combustion is more sufficient, less carbon monoxide is emitted, and more energy saving and environment friendliness are achieved. The energy gathering rings are convenient to mount and dismount, losses of heat generated after gas combustion can be effectively reduced, and the heat effect utilization rate is increased.

The invention relates to the technical field of gas stoves, in particular to a gas stove and a control method thereof. The gas stove comprises a thermocouple, a pulse, an ignition needle, a gas pipeline, and a first valve body and a second valve body connected with the gas pipeline; the second valve body is serially connected with the thermocouple and a delay, and is controlled to open by a switchstructure independent from the first valve body; and under the condition of conducting the gas pipeline, the second valve body is acted by thermoelectromotive force generated by the thermocouple within time set by the delay to maintain conduction of the gas pipeline. The control method comprises common control of the first valve body and the second valve body and maintenance of the conduction ofthe gas pipeline under the continuous thermoelectromotive force effect generated by the thermocouple within time set by the delay. The gas stove is convenient to operate, safe in use and suitable forpopularization.

The invention relates to a flame stabilizing fire cover. A cylindrical fire cover body is included; a gas mixing cavity is formed in an inner cavity of the fire cover body, and the peripheral wall ofthe gas mixing cavity is provided with main fire holes and flame stabilizing holes; the main fire holes and the flame stabilizing holes communicate with the gas mixing cavity; the flame stabilizing holes and the main fire holes are formed at intervals and the flame stabilizing holes are located below the main fire holes; and the bottom walls of the outer side ends of hole channels of the flame stabilizing holes are notched and suspended so that flame stabilizing open segments can be formed. Compared with the prior art, the flame stabilizing holes in the flame stabilizing fire cover can be usedfor heating the root portions of the main fire holes, a flame stabilizing effect can be achieved well, and the bottom walls of the outer side ends of the hole channels of the flame stabilizing holesare notched and suspended so that the flame stabilizing open segments can be formed; the flame stabilizing open segments are formed, the wall pasting effect of overflowing liquid can be interdicted, and therefore it is avoided that the overflowing liquid flows into the hole channels of the flame stabilizing holes, and it is thoroughly avoided that the overflowing liquid blocks the flame stabilizing holes; and the flame stabilizing open segments are arranged, flame stabilizing airflow in the hole channels of the flame stabilizing holes can perform pressure diffusing and speed decreasing in theflame stabilizing open segments, and therefore the flame stabilizing effect is improved.

The invention discloses a wireless control stove high in combustion efficiency. A bottom shell, a panel, burners, electromagnetic valves, single-layer liquid containing discs, distributors, pot supports I, a key assembly, a controller and an intelligent terminal are included. The single-layer liquid containing discs, the distributors and the pot supports I are coaxially arranged at the upper endsof burner holes I. According to the stove, a user can remotely turn off the fire through the intelligent terminal, and the danger possibly happening when the user forgets to turn off the fire and goesout is effectively avoided. The user can control the stove in a kitchen and can also remotely control the stove, a more user-friendly operation manner is achieved, and the requirements of massive users, particularly young users can be met. Distributor fire row holes I are arranged in staggered layers, a certain height difference is generated, secondary air needed for combustion can be better supplemented, combustion is more sufficient, less carbon monoxide is emitted, and more energy saving and environment friendliness are achieved. The requirement for the combustion performance can be met while the heat loads are improved, and the distributors can adapt to the higher and wider combustion load range.

The invention relates to a burner for a gas stove, which is characterized in that it includes a base and a second connecting body arranged on the base, the second connecting body includes an inner platform located in the center, the inner platform The central position has a first injection channel with an inclined axis relative to the horizontal plane, a first injector and a first fire cover arranged in the base; the first fire cover includes a top wall and an outer ring wall, and the upper edge of the outer ring wall There are at least two inner fire holes communicating with the first air mixing chamber at intervals in the circumferential direction, the first wall surface of the outer ring wall below the inner fire hole shrinks inward partially in the radial direction, the outer ring wall, the first wall surface and the convex The wall forms an inverted "L"-shaped flame stabilization channel at the junction. Compared with the prior art, the present invention has the advantage that the central position of the inner platform has a first injection channel with an inclined axis relative to the horizontal plane, so that the first The injection channel can be made longer, so that the inner fire hole of the first fire cover is easy to leave the flame, and the inverted "L"-shaped flame-stabilizing channel can play a role in stabilizing the flame on the one hand.

The invention discloses a burner. The burner comprises a first burning head, a second burning head, a gas-air mixing pipe, a draught fan, a small fire burner, a small fire nozzle gas pipe, a big firenozzle gas pipe, a gas valve combination and a gas mixing chamber, wherein the first burning head comprises a burning head body and a screen mesh; the burning head body comprises a burning head uppertop surface and a burning head side wall; a plurality of small holes are uniformly formed in the side wall of the burning head; grids are arranged on the screen mesh; and the screen mesh is arranged on the burning head body in a sleeving manner. In order to avoid generating more NO in the process of using the burner, the air excess coefficient is set to 1.3, so that the burning temperature can bereduced, and meanwhile the amount of NO formation can be reduced. Although the amount of No formation satisfies the national environmental protection requirements for NO, due to the relatively large air excess coefficient, the flame-out phenomenon occurs on the burning heads, thereby resulting in unstable burning. Therefore, the screen mesh is arranged in the burner and has the effect of stabilizing the flame, and thus, the flame-out phenomenon is avoided.

The invention provides an outer ring fire cover, a burner and a gas stove, and relates to the technical field of cookers. The outer ring fire cover comprises a ring fire cover body, a gas accommodating groove with a downward opening is formed in the fire cover body, and a plurality of main fire holes are formed in the ring inner wall of the fire cover body; a first flame stabilizing channel and asecond flame stabilizing channel are formed in the ring inner wall, the first flame stabilizing channel and the second flame stabilizing channel communicate with a ring inner space and the gas accommodating groove of the fire cover body, and the second flame stabilizing channel is located below the first flame stabilizing channel and the main fire holes. The burner comprises a furnace head, a gasseparating disc and the outer ring fire cover, the furnace head is internally provided with an outer ring gas cavity, the gas separating disc is provided with an outer ring gas groove with an upward opening, the gas separating disc is installed at the top of the furnace head, and the outer ring gas groove communicates with the outer ring gas cavity; and the outer ring fire cover is arranged on thegas separating disc, and the gas accommodating groove and the outer ring gas groove form a gas accommodating cavity together. The gas stove includes the burner. The outer ring fire cover can improvethe heating efficiency of the burner during cooking.

The invention discloses a convenient-to-clean touch screen induction type stove with an energy gathering ring. The convenient-to-clean touch screen induction type stove comprises a bottom shell, a panel, a furnace head, a solenoid valve, a double-layer liquid containing disc, a distributor, a pot bracket I, the energy gathering ring, a touch screen display panel and a controller, wherein the distributor is mounted at a gas outlet of the furnace head; the distributor comprises an outer ring distributor and an inner ring distributor; and an inner side combustion hole and an outer side combustionhole are formed in the outer ring distributor. The stove adopts touch buttons to control work of the stove, information is processed by the controller and then is displayed on a display screen, capacitance-type touch button precision is relatively high, and fingers of a user only need to touch, so that physical damages and mechanical wear are avoided, and needs of majority of users, especially young users can be met; the double-layer liquid containing disc prevents liquid such as soup and greasy dirt from entering the inner space of the stove to affect normal use of the stove; and the energygathering ring is conveniently mounted and dismounted, so that heat loss generated after fuel gas combustion can be effectively reduced, and a heat utilization rate is increased.

The invention provides a center fire cover and a gas stove, and relates to the technical field of gas stoves.The center fire cover comprises a fire cover body and a temperature probe, and the temperature probe is installed on the inner side of the fire cover body; the center fire cover comprises a fire cover ignition body and a check ring arranged on the upper end face of the fire cover ignition body, and the upper end of the temperature probe is higher than the check ring. An ignition hole and a flame hole are formed in the fire cover ignition body, the fire cover ignition body extends outwards in the radial direction to form a boss, and the boss is located above the ignition hole; fluid convection grooves which are oppositely arranged are formed in the check ring. The gas stove comprises a central fire cover. The technical problem that in the prior art, a gas stove flames out when big fire is converted into small fire is solved, and the technical effect that the gas stove cannot be flamed out when the big fire is converted into the small fire is achieved.

The invention discloses an energy-saving and environment stove convenient to clean and easy to adjust. The energy-saving and environment stove convenient to clean and easy to adjust comprises a bottomshell, a panel, a furnace end, a valve body, a double-layer liquid-holding disc, a fire distributor, a pan support I and a knob, wherein the panel is installed at the upper end of the bottom shell; afurnace end hole I and a knob hole are formed in the panel; and the double-layer liquid-holding disc, the fire distributor and the pan support I are coaxially arranged at the upper end of the furnaceend hole I. According to the stove, the working of the stove is controlled through a traditional mechanical knob, so that the need of broad consumers can be met, the stove is especially specified tomiddle-aged and elderly consumers usually using the mechanical knob, and meanwhile, operation and cleaning are facilitated by adopting the mechanical knob; the double-layer liquid-holding disc prevents liquids such as soup and oil dirt from flowing into the interior space of the stove to influence normal use for the stove; the fire distributor is convenient to install and detach, and capable of better supplementing secondary air needed for combustion, so that more adequate combustion is achieved, less carbon monoxide is emitted, and higher energy conservation and environment protection performance is achieved.

Disclosed is a flame stabilizing fire cover. The flame stabilizing fire cover comprises a fire cover body. The fire cover body comprises a ventilating cavity located inside the fire cover body; fire holes which are distributed at intervals in the circumferential direction are formed in the peripheral surface of the fire cover body; the fire holes are communicated with the ventilating cavity. The flame stabilizing fire cover is characterized in that flame stabilizing rings are disposed on the outer sides of the fire holes; the centers of the flame stabilizing rings are located on the center axes of the fire holes, and gaps are reserved between the flame stabilizing rings and the fire holes. According to the flame stabilizing fire cover, the flame stabilizing rings parallel to the fire holes are disposed in the flame stabilizing positions of the outer sides of the fire holes so that the flame stabilizing function can be achieved, the flame stabilizing fire cover is convenient to mount, dismount and clean, and the situation that the usage of the flame stabilizing fire cover is affected due to blockage is avoided.

The invention discloses a modular combined burner. An upper shell is connected with a lower shell, wherein the upper shell is communicated with the lower shell through a first intercommunicating pore in a partition plate; an inner flame ring formed by an inner fire discharge ring and an inner flame baffle ring, which are alternatively laminated is arranged inside an inner cavity of the upper shell; an outer flame ring formed by an outer fire discharge ring and an outer flame baffle ring is arranged on the outer side of the top of the upper shell; a drainage ring is arranged on the inner side of the top of the upper shell. The burning power can be adjusted by changing the quantity of laminated inner and outer flame baffle rings, and inner and outer fire discharge rings; the inventory of parts and occupation of funds can be greatly reduced by generalization and modularization of accessories; the processing process is simple; the inner flame ring and the outer flame ring share a gas distribution cavity to intake, so that the air pressure is stably distributed; gas for burning of the outer flame ring needs to pass through the drainage ring; the length of an intake channel of an outer fire outlet can be adjusted by the drainage ring, so that the pressure stabilization action is achieved, and the burning state is excellent.

The invention discloses a touch screen induction type kitchen range convenient to clean. The touch screen induction type kitchen range comprises a bottom shell, a panel, a furnace head, an electromagnetic valve, double-layer liquid containing discs, fire distributors, pot supports I, a touch display assembly and a controller. The double-layer liquid containing discs, the fire distributors and thepot supports I are coaxially arranged at the upper end of a furnace head hole I. The fire distributors are arranged on a gas outlet of the furnace head and comprise an outer ring fire distributor andan inner ring fire distributor. Inner side combustion holes and outer side combustion holes are formed in the outer ring fire distributors. According to the kitchen range, touch keys are adopted to control the work of the kitchen range; information is displayed on a display screen after being processed by the controller; and the accuracy of the capacitive touch keys is high, users only need to touch the touch keys with fingers, and requirements of users, especially young users, can be met. The double-layer liquid containing discs are simple in structure and convenient to use. Soup, oil stainsand other liquids overflowing from a pot on a cooking bench are collected in liquid containing grooves of the upper-layer liquid containing discs, thereby being prevented from flowing into the interior space of the kitchen range.

The invention discloses an energy-saving and environment-friendly touch screen induction type kitchen range convenient to clean. The energy-saving and environment-friendly touch screen induction typekitchen range convenient to clean comprises a bottom shell, a panel, a furnace head, an electromagnetic valve, double-layer liquid containing discs, fire distributors, pot supports I, a touch displayassembly and a controller. The double-layer liquid containing discs, the fire distributors and the pot supports I are coaxially arranged at the upper end of a furnace head hole I. According to the kitchen range, touch keys are adopted to control the work of the kitchen range; information is displayed on a display screen after being processed by the controller; and the accuracy of the capacitive touch keys is high, users only need to touch the touch keys with fingers, neither physic damage nor mechanical wear will be generated, and requirements of users, especially young users, can be met. By means of the double-layer liquid containing discs, soup, oil stains and other liquids overflowing from a pot on a cooking bench are collected in liquid containing grooves of the upper-layer liquid containing discs, thereby being prevented from flowing into the interior space of the kitchen range. Secondary air required by combustion can be better supplemented during burning at the fire distributors, so that combustion is more sufficient, emitted carbon monoxide is less, and energy-saving and environment-friendly effects are achieved.

The invention discloses a kitchen range convenient to clean, easy to adjust and high in combustion efficiency. The kitchen range comprises a bottom shell, a panel, a burner, a valve body, a double-layer liquid storage disc, fire distributors, a pot support I, energy gathering rings and rotary knobs, wherein a burner hole I and a rotary knob hole are formed in the panel, and the double-layer liquidstorage disc, the fire distributors, the pot support I and the energy gathering rings are coaxially arranged at the upper end of the burner hole I. The kitchen range adopts a traditional mechanical knob to control the work of the kitchen range, so that the requirements of the majority of consumers, especially the middle-aged and elderly consumers who frequently use the mechanical knob, can be met; the double-layer liquid storage disc prevents soup, oil stains and other liquids from flowing into the interior space of the kitchen range and influencing normal use of the kitchen range; the fire distributors are convenient to install and detach, secondary air required by combustion can be better supplemented, so that the combustion is more sufficient, the emission of the carbon monoxide is less, and the kitchen range is more energy-saving and environment-friendly; and the energy-gathering rings are convenient to mount and dismount, the heat loss generated after fuel gas burning can be effectively reduced, and the heat efficiency utilization rate is improved.

The invention belongs to the technical field of turbine engines, and in particular relates to a flame stabilizer for a recirculation combustion chamber. The cross section of the aerodynamic stabilizing part of the stabilizer is a semicircular arc tube, which has the characteristics of a strong flame stabilizing vortex system and strong flame stabilizing ability; The lower part of the stabilizer adopts an arc-shaped section, which is beneficial to reduce the obstruction of other jet holes and reduce the total pressure loss. The interior of the flame stabilizer is designed as a cavity, which can not only effectively cool the wall of the flame stabilizer, but also supply low-velocity air to a specific area of ​​the combustion chamber to stabilize the flame. The solution of the present invention realizes efficient and stable operation of the combustion chamber through a simple structure, can significantly expand the boundary of fuel-lean flameout, improve combustion efficiency, and reduce production costs at the same time. Tests have proved that jet holes using this cooling method can ensure that the wall life of the jet hole part of the combustion chamber is as long as 300h under the condition that the combustion room rises above 800K and the cooling air is higher than 500K.

The invention discloses a stove easy to adjust and high in combustion efficiency. The stove easy to adjust and high in combustion efficiency comprises a bottom shell, a panel, a furnace end, a valve body, a single-layer liquid-holding disc, a fire distributor, a pan support I and a knob, wherein a furnace end hole I and a knob hole are formed in the panel; and the single-layer liquid-holding disc,the fire distributor and the pan support I are coaxially arranged at the upper end of the furnace end hole I. According to the stove, the working of the stove is controlled through a traditional mechanical knob, so that the need of broad consumers can be met, the stove is especially specified to middle-aged and elderly consumers usually using the mechanical knob, and meanwhile, operation and cleaning are facilitated by adopting the mechanical knob; and fire row holes I of the fire distributor are staggered, certain height difference is generated, and secondary air needed for combustion can bebetter supplemented, so that more adequate combustion is achieved, less carbon monoxide is emitted, higher energy conservation and environment protection performance is achieved, the need of combustion performance can be met while a heat load is increased, and the fire distributor is adaptive to a wider combustion load range.

The invention discloses a gas nozzle capable of generating an ultralow-nitrogen suspension combustion flame. The gas nozzle comprises a nozzle body; the nozzle body comprises an air inlet system, a gas inlet system, a mixing system and an ignition needle; the air inlet system comprises a cyclone impeller; the gas inlet system comprises a first gas guide pipe and at least two second gas guide pipes; the mixing system comprises a mixing chamber and a center flame stabilizing plate, the first gas guide pipe extends into the mixing chamber from the inlet end of the nozzle body, the second gas guide pipes are arranged on the wall of the mixing chamber, the first gas guide pipe and the second gas guide pipes are used for conveying gas into the mixing chamber, the cyclone impeller is arranged at the inlet end of the nozzle body and is fixedly arranged on the first gas guide pipe, and the center flame stabilizing plate is arranged in front of the cyclone impeller and is fixedly arranged on the first gas guide pipe; and the ignition needle is fixedly arranged on the outer surface of the nozzle body. The gas nozzle has the advantages that the gas can be sufficiently mixed with the air, and the gas and the air are more uniformly mixed, so that the gas is more sufficiently combusted, and the fewer nitrogen oxides (NOx) are produced.

The combustion chamber mixing structure based on the bluff body set comprises a combustion chamber and the bluff body set, the combustion chamber comprises a front wall and a pipe wall behind the front wall, a nozzle is installed on the front wall, the bluff body set comprises a front bluff body and a rear bluff body, the front bluff body comprises an outer wall and an inner wall, the inner wall is located outside the nozzle, the outer wall is located outside the inner wall, and the inner wall is located outside the rear bluff body. A flow channel is formed between the outer wall and the inner wall and communicated with the inner space of the pipe wall, an air inlet is formed in the pipe wall, and a rear bluff body is arranged behind the air inlet. The multiple pairs of bluff body sets are additionally arranged on the basis of a traditional combustion chamber, a swirler can be replaced, the oil and gas mixing effect is improved, and meanwhile the flame stabilizing effect is achieved.

The invention discloses a touch sensitive stove with high burning efficiency. The touch sensitive type stove comprises a bottom shell, a panel, furnace ends, electromagnetic valves, one-layer liquid containing discs, distributors, pot supports I, a touch display assembly and a controller. Furnace end holes I are formed in the panel, and the one-layer liquid containing discs, the distributors and the pot supports I are coaxially arranged at the upper ends of the furnace end holes I. According to the stove, work of the stove is controlled through touch keys, information is displayed on a displayscreen after processing of a controller, the capacitance type touch keys are high in precision, a user only needs to touch the keys by finger, no physical damage or mechanical abrasion is generated,and the requirements of the majority of users, especially young users can be met. Fire grate holes I of the distributors are staggered, certain height differences are generated, secondary air needed by burning can be better supplemented, burning is more sufficient, higher energy saving and environmental protection are achieved, the requirement of the burning performance can be met while thermal loads are increased, and the distributors can adapt to a wider burning load range.