CN209782614U - Burner head and burner comprising same - Google Patents
Burner head and burner comprising same Download PDFInfo
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- CN209782614U CN209782614U CN201822203493.5U CN201822203493U CN209782614U CN 209782614 U CN209782614 U CN 209782614U CN 201822203493 U CN201822203493 U CN 201822203493U CN 209782614 U CN209782614 U CN 209782614U
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Abstract
The utility model discloses a burner head and gas burner comprising the burner head, which comprises a burner body, wherein the center of the burner body is provided with a gas joint, the gas joint is connected with a gas pipeline, the burner body is also provided with a burning head, the burning head is a round platform shell, the diameter of the radial section of the round platform shell from the inner end to the outer end is gradually increased, the gas joint is axially arranged at one side of the inner end of the round platform shell, a clapboard is arranged at the position where the gas joint is connected with the inner end of the round platform shell, and the clapboard is provided with a plurality of gas holes; there are a plurality of groups along the air hole array of axial extension setting on the perisporium of round platform casing, arrange a plurality of along the air hole of radial distribution on every air hole array, the utility model discloses an air in the nozzle leads to and falls into the high-speed little air current of stranded higher respectively with the gas in the inner chamber of round platform casing and has the level ground to mix, satisfies miniwatt and high-power required air and gas mixing requirement, and the gas obtains stable combustion, the disconnected fire phenomenon of disappearance.
Description
Technical Field
the utility model relates to a gas combustion equipment field, concretely relates to nozzle head reaches combustor including this nozzle head.
Background
In the technical field of gas burners and gas burners, stable combustion requires uniform mixing of a proper amount of air and gas, so that nitrogen oxides can be greatly reduced to reach the national emission standard. The power of the gas burner and the gas burner needs to be adjusted in the production process, so that the production process requirements are met. When power conversion is large, some gas burners and gas burners cannot meet the requirement of stable combustion, and are easy to have a fire cutoff phenomenon, so that production is influenced.
Publication No. CN206112921U discloses a multi-stage air-distributed low-nitrogen burner. The low-nitrogen combustor comprises a combustor body and a combustion head outer shell, wherein an ignition gas channel, a main gas cavity, a primary air channel, a tertiary air channel and a secondary air channel are sequentially arranged in a cavity of the combustor body from inside to outside; the lower part of the burner body is provided with a primary air inlet, a secondary air inlet and a tertiary air inlet, the air outlet end of the main gas cavity is provided with a gas nozzle, the outer side of the gas nozzle is provided with a conical primary air distribution disc, the air outlet of the secondary air channel is provided with a secondary air injection pipe, and the air outlet of the tertiary air channel is provided with a tertiary air cyclone; a main fuel gas inlet is arranged above the front end of the main fuel gas cavity. The utility model discloses in, utilize the staged combustion of gas and air, reduce the regional temperature in flame center, reduced NOx's formation, realize the shade distribution of gas, avoid environmental pollution.
This patent is in set up central gas gun among the main gas gun, central gas gun stretches out once wind distribution plate, the gas in the central gas gun is joined with the air at the front end of once wind distribution plate, has certain hysteresis quality when making gas and air join, can not accomplish at the very first time and join, can not adjust air and gas proportion to optimum value fast when adjusting combustor power.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, one of the objects of the utility model is to provide a nozzle head, through set up a plurality of air hole arrays of group on the round platform casing lateral wall at the combustion head of nozzle, make the air pass through the air hole and fall into the higher fast little air current of stranded respectively with the gas in the inner chamber of round platform casing, then the little air current of air and the little air current of gas are alternately just mixed with level, satisfy miniwatt and high-power required air and gas mixing requirement, the gas obtains the steady combustion, the phenomenon of breaking a fire does not appear.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
A burner head comprises a burner body, an ignition electrode perforation for inserting an ignition electrode and a detection electrode perforation for detecting the electrode are arranged on the burner body, the center of the burner body is provided with a gas joint which is connected with a gas pipeline, the burner body is also provided with a combustion head, the combustion head is a circular truncated cone shell, the diameters of the radial sections of the two ends of the circular truncated cone shell along the axial direction are not equal, the diameter of the radial section of the circular truncated cone shell from the inner end to the outer end is gradually increased, the gas joint is axially arranged on one side of the inner end of the circular truncated cone shell, the gas joint is a cavity with one open end, the other end of the gas joint is connected with the circular truncated cone shell, a gas pipeline is inserted into the cavity of the gas joint, a partition plate is further arranged at the position where the gas joint is connected with the inner end of the circular truncated cone shell, and a plurality of gas holes are formed in the partition plate; the peripheral wall of the circular truncated cone shell is provided with a plurality of groups of air hole arrays which extend along the axial direction, a plurality of air holes which are distributed along the radial direction are distributed on each air hole array, the section of each air hole array is vertical to the central axis of the circular truncated cone shell, and the air holes close to the outer end of the circular truncated cone shell are larger than the air holes close to the inner end of the circular truncated cone shell. The ignition electrode is electrified for ignition, so that the mixed gas of air and fuel gas is combusted, and the detection electrode senses flame current.
Preferably, the axis of the air hole points to the central axis of the circular truncated cone shell, the air is accelerated, subdivided and redirected after passing through the air hole, and meanwhile, the air converges towards the central axis of the circular truncated cone shell, so that the air and the fuel gas are fully converged near the central axis of the circular truncated cone shell, and no matter the flow rate, the fuel gas fully mixed with the air is arranged in the central part, so that the fire cutoff phenomenon is avoided. The phenomenon of insufficient dispersed combustion of the airflow is prevented.
Preferably, the partition plate is bent from the peripheral surface to the center towards the outer end of the circular truncated cone housing by a certain radian, that is, the center of the partition plate and the circumferential edge of the partition plate are positioned on different cross sections, the center of the partition plate is positioned on the inner side of the outer end of the circular truncated cone housing, and the circumferential edge of the partition plate is arranged at the position where the gas joint is connected with the circular truncated cone housing. The certain radian of the center bending of the partition plate is convenient for gas to enter the inner cavity of the circular truncated cone shell from the gas hole on the partition plate, so that the gas is gathered in the horizontal direction of the gas, and the gas is gathered towards the central axis of the circular truncated cone shell, so that the gas can be gathered with air flow in the circular truncated cone shell on the next step.
Preferably, the baffle is gone up around the center of baffle is provided with at least a set of gas hole array that is circular distribution, every set up on the gas hole array that a plurality of diameter is the same and around baffle center equipartition the gas hole, by the center of baffle is to global direction, the different group on the gas hole array the aperture of gas hole equals or increases gradually. The fuel gas is accelerated, subdivided, redirected and diffused after passing through the fuel gas holes.
More preferably, the diameters of the gas holes in the different groups of the gas hole arrays are gradually increased from the center of the partition plate to the circumferential surface. Through setting up like this, during the installation, pass the ignition electrode perforation with the ignition electrode to with the inner chamber intercommunication that gas pipeline and gas connect, thereby on the combustible gas hole array of gas discharge in the gas hole, discharge in the air hole of air round platform casing, the gas hole is crescent to the direction of circumference by baffle center, thereby it is big to make the air output of outer gas hole when gas and air mix, guarantees sufficient gas volume, is favorable to quick ignition, guarantees the stability of peripheral flame simultaneously, guarantees when regulating power, peripheral flame is difficult for being blown out by too big air current.
Preferably, the air holes in each air hole array have the same diameter and are uniformly distributed at equal intervals around the central axis of the circular truncated cone shell.
Preferably, the diameters of the air holes in the air hole arrays of different groups are gradually increased from the inner end to the outer end of the circular truncated cone shell. The aperture of air hole is crescent by inner to outer end direction, thereby it is little to be close to the air output of the inner air hole of round platform casing inner when making gas and air mix, be favorable to the ignition and be difficult for being blown out by stronger air current, improve the reliability of ignition, through setting up multiunit air hole array, make the air divide into the little air current of the higher speed of multistrand respectively with the gas in the inner chamber of round platform casing through air hole, then the little air current of air and gas little air current are alternately and have the level to mix, thereby make gas and air mix many times, improve the homogeneity of gas and air mixing, thereby make the gas burning more abundant, reduce the waste of gas and the production of harmful gas, energy saving and environmental protection.
Preferably, in a direction from the inner end to the outer end of the circular truncated cone housing, the air hole array close to the outer end of the circular truncated cone housing is an outer layer air hole array, the air hole array close to the inner end of the circular truncated cone housing is an inner layer air hole array, and at least one group of middle layer air hole arrays are arranged between the inner layer air hole array and the outer layer air hole array.
Preferably, the air hole apertures of one or more groups of the middle layer air hole array and the air hole apertures of the inner layer air hole array are equal. The air outlet quantity of the outermost air hole is only required to be ensured to be maximum, when the power of the combustor is adjusted to be large, the outermost air hole can meet the requirement of large air flow, the air flow passing through the inner layer air array and the middle layer air hole array does not need to meet the requirement of high-power combustion proportion, the ignition time is saved, and meanwhile, the ignition stability is ensured due to the small air hole diameters of the inner layer air array and the middle layer air hole array.
Preferably, the ignition electrode through hole and the detection electrode through hole are respectively arranged on two sides of the peripheral wall of the circular truncated cone shell and penetrate through the peripheral wall, an ignition electrode cavity and a detection electrode cavity are further arranged on the outer side of the peripheral wall of the circular truncated cone shell, one end of the ignition electrode cavity and one end of the detection electrode cavity respectively extend to the ignition electrode through hole and the detection electrode through hole, and the other end of the ignition electrode cavity and the other end of the detection electrode cavity extend towards the direction of the gas joint.
Preferably, the length of the ignition electrode cavity and the length of the detection electrode cavity are larger than the length of the gas joint. Through the arrangement, most of the ignition electrode and the detection electrode can be ensured to be positioned in the ignition electrode cavity and the detection electrode cavity, and the installation stability of the ignition electrode and the detection electrode is ensured.
Another object of the utility model is to provide a burner, including combustor body, air conduit, gas pipeline, burner tip, flame guide pipe, ignition electrode and detection electrode, air conduit with this body coupling of combustor, gas pipeline arranges in the inner chamber of combustor body, the one end of combustor body with flame guide pipe connects, the burner tip is arranged in the inner chamber of flame guide pipe, the one end and the gas articulate of gas pipeline, the burner tip be above-mentioned arbitrary item the burner tip.
Preferably, the outer end of the combustion head extends to form a boss section, the diameter of the outer wall of the boss section extending along the axial direction is kept unchanged, and the outer wall of the boss section is matched with the inner wall of the flame guide pipe.
Preferably, the gap between the outer wall of the boss section and the inner wall of the flame guide tube is small, so that almost all air flows through the air holes.
More preferably, the outer wall of the boss section and the inner wall of the flame guide pipe are installed in an interference fit manner, so that the outer wall of the boss section and the inner wall of the flame guide pipe are kept in close contact, and air cannot flow out from between the outer wall of the boss section and the inner wall of the flame guide pipe.
More preferably, the outer wall of boss section with the inner wall of flame guide pipe passes through recess and the cooperation installation of card post, the recess sets up on the outer wall of boss section, the card post sets up on the flame guide pipe inner wall, recess and the cooperation connection of card post can play the direction installation and prevent that the combustion head from taking place aversion and pivoted effect in the use.
Compared with the prior art, the utility model discloses profitable technological effect has been obtained:
The utility model discloses a nozzle head sets up a plurality of groups air hole array through on the round platform casing lateral wall at the burner, the hookup location that connects and the burner at the gas sets up the baffle that has the gas hole array, make air and gas fall into the higher fast little air current of stranded respectively in the inner chamber of round platform casing, then the little air current of air and gas little air current alternately just have the level to mix, realize even intensive mixing, because the air hole all is axial symmetry with the gas hole, no matter gas flow size, the gas mixture after air and the gas mixture converges in the axis of round platform casing. When the power of the burner is adjusted, air and gas are fully mixed near the central axis of the burner head, and the mixed gas is combusted after the ignition electrode is electrified, so that the requirement of mixing the air and the gas required by low power and high power is met, the stable combustion of the gas of the burner with large adjustment ratio is realized, and the phenomenon of flame failure is avoided.
Drawings
Fig. 1 is a schematic structural view of a burner head according to the present invention;
Fig. 2 is a schematic structural view of the burner of the present invention.
Reference numerals:
1. An air duct; 2. a gas pipeline; 3. a burner body; 3.1. a partition plate; 3.11. a gas hole; 3.2 air holes; 3.3 gas joint; 3.4. an ignition electrode cavity; 3.5. detecting the electrode cavity; 3.6. a boss section; 3.7. a circular truncated cone housing; 4. a flame guide tube; 5. an ignition electrode; 6. and a detection electrode.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following specific embodiments.
Example 1
As shown in fig. 1, a burner head comprises a burner body 3, an ignition electrode through hole for inserting an ignition electrode 5 and a detection electrode through hole for detecting an electrode 6 are formed in the burner body 3, a gas joint 3.3 is arranged at the center of the burner body 3, the gas joint 3.3 is connected with a gas pipeline 2, a combustion head is further arranged on the burner body 3, the combustion head is a circular truncated cone shell 3.7, the radial cross-sectional diameters of two ends of the circular truncated cone shell 3.7 along the axial direction are not equal, the radial cross-sectional diameter of the circular truncated cone shell 3.7 from the inner end to the outer end is gradually increased, the gas joint 3.3 is axially arranged on one side of the inner end of the circular truncated cone shell 3.7, the gas joint 3.3 is a cavity with an opening at one end, the other end of the gas joint 3.3 is connected with the circular truncated cone shell 3.7, the gas pipeline 2 is inserted into the cavity of the gas joint 3.3, a partition plate 3.1 is further arranged at the position where the gas joint 3, the partition plate 3.1 is provided with a plurality of gas holes 3.11; the peripheral wall of the circular truncated cone shell 3.7 is provided with a plurality of groups of air hole arrays which extend axially, a plurality of air holes 3.2 which are distributed along the radial direction are distributed on each air hole array, the section of each air hole array is vertical to the central axis of the circular truncated cone shell 3.7, and the air holes 3.2 which are close to the outer end of the circular truncated cone shell 3.7 are larger than the air holes 3.2 which are close to the inner end of the circular truncated cone shell 3.7. Air enters the inner cavity of the circular truncated cone shell 3.7 after passing through the air hole 3.2, fuel gas enters the inner cavity of the circular truncated cone shell 3.7 through the fuel gas hole 3.11, the ignition electrode 5 is electrified to ignite so that the mixed gas of the air and the fuel gas is combusted, and the detection electrode 6 senses flame current.
The ignition electrode through hole and the detection electrode through hole are respectively arranged on two sides of the peripheral wall of the circular truncated cone shell 3.7 and penetrate through the peripheral wall, an ignition electrode cavity 3.4 and a detection electrode cavity 3.5 are further arranged on the outer side of the peripheral wall of the circular truncated cone shell 3.7, one end of the ignition electrode cavity 3.4 and one end of the detection electrode cavity 3.5 respectively extend to the ignition electrode through hole and the detection electrode through hole, and the other end of the ignition electrode cavity 3.4 and the other end of the detection electrode cavity 3.5 extend towards the direction of the gas joint 3.3.
The axis of the air hole 3.2 points to the central axis of the circular truncated cone shell 3.7, the air is accelerated, subdivided and redirected after passing through the air hole 3.2, and meanwhile, the air is converged towards the central axis of the circular truncated cone shell 3.7, so that the air and the fuel gas are fully converged near the central axis of the circular truncated cone shell 3.7, and the phenomenon of insufficient dispersed combustion of air flow is prevented.
The baffle 3.1 is bent by a certain radian from the peripheral surface to the center towards the outer end of the circular truncated cone housing 3.7, namely the center of the baffle 3.1 and the peripheral edge of the baffle 3.1 are positioned on different cross sections, the center of the baffle 3.1 is positioned at the inner side of the outer end of the circular truncated cone housing 3.7, and the peripheral edge of the baffle 3.1 is arranged at the position where the gas joint 3.3 is connected with the circular truncated cone housing 3.7. The center of the partition plate 3.1 is bent by a certain radian, so that gas can enter the inner cavity of the circular truncated cone shell 3.7 from the gas holes 3.11 in the partition plate 3.1 to play a role of gathering, the horizontal entering direction of the gas is changed, the gas is gathered towards the central axis of the circular truncated cone shell 3.7, and the gas can be gathered with air flow in the circular truncated cone shell 3.7 in the next step.
Wind on the baffle 3.1's center is provided with at least a set of gas hole array that is circular distribution, every set up on the gas hole array that a plurality of diameter is the same and wind baffle 3.1 center equipartition gas hole 3.11, by baffle 3.1's center is to global direction, the not co-group on the gas hole array gas hole 3.11's aperture equals or increases gradually. The fuel gas is accelerated, subdivided, redirected and diffused after passing through the fuel gas holes 3.11. The air holes 3.2 in each air hole array are identical in diameter and are uniformly distributed around the central axis of the circular truncated cone shell 3.7 at equal intervals.
From the inner end to the outer end of the circular truncated cone shell 3.7, the air hole array close to the outer end of the circular truncated cone shell 3.7 is an outer layer air hole array, the air hole array close to the inner end of the circular truncated cone shell 3.7 is an inner layer air hole array, and at least one group of middle layer air hole arrays are arranged between the inner layer air hole array and the outer layer air hole array. In this embodiment, two sets of middle layer air hole arrays are provided, the aperture of the air hole in the middle layer air hole array is equal to the aperture of the air hole 3.2 in the inner layer air hole array, and the aperture of the air hole 3.2 in the middle layer air hole array is smaller than the aperture of the air hole in the outer layer air hole array. The air holes 3.2 on the outer layer air hole array are the largest, the air output of the air holes 3.2 on the outermost periphery is only required to be ensured to be the largest, when the power of the burner is adjusted to be large, the air holes 3.2 on the outermost periphery can meet the entrance of a large air flow, the requirement that the air flows passing through the inner layer air array and the middle layer air hole array reach the high-power combustion proportion is not needed, the ignition time during power adjustment is saved, meanwhile, the air holes 3.2 in the inner layer air array and the middle layer air hole array are small in aperture, ignition is facilitated, the air holes are not easily blown out by strong air flow, and the ignition stability is ensured.
The utility model discloses a nozzle head sets up a plurality of air hole arrays of group through on the round platform casing 3.7 lateral wall at the combustion head, 3.3 and the hookup location setting of combustion head have the baffle 3.1 of gas hole array at the gas, make air and gas fall into the higher fast little air current of stranded respectively in the inner chamber of round platform casing 3.7, then the little air current of air and gas intersect and mix hierarchically, realize even intensive mixing, because air hole 3.2 and gas hole 3.11 all are axial symmetry, no matter the gas flow size, the gas mixture after air and the gas mixture converges in the axis of round platform casing 3.7. When the power of the burner is adjusted, air and fuel gas are enabled to obtain fully mixed gas near the central axis of the burner head, the mixed gas is combusted after the ignition electrode 5 is electrified, the requirement of mixing the air and the fuel gas required by low power and high power is met, the fuel gas is stably combusted, and the phenomenon of fire cutoff is avoided.
As shown in fig. 2, the utility model provides a gas burner, including combustor body, air conduit 1, gas pipeline 2, nozzle head, flame guide pipe 4, ignition electrode 5 and detection electrode 6, air conduit 1 with this body coupling of combustor, gas conduit 2 arranges in the inner chamber of combustor body, the one end of combustor body with flame guide pipe 4 connects, the nozzle head is arranged in the inner chamber of flame guide pipe 4, gas conduit 2's one end with the gas connects 3.3 and connects, the nozzle head be above-mentioned arbitrary nozzle head. The outer end of the combustion head extends to form a boss section 3.6, the diameter of the outer wall of the boss section 3.6 extending along the axial direction is kept unchanged, and the outer wall of the boss section 3.6 is matched with the inner wall of the flame guide pipe 4. The gap between the outer wall of the boss section 3.6 and the inner wall of the flame guide tube 4 is small, so that almost all air flows through the air holes 3.2. The outer wall of the boss section 3.6 is installed with the inner wall of the flame guide pipe 4 in an interference fit mode, so that the outer wall of the boss section 3.6 is in close contact with the inner wall of the flame guide pipe 4, and air cannot flow out of the space between the outer wall of the boss section 3.6 and the inner wall of the flame guide pipe 4.
Air gets into the combustor body from air conduit 1, then the air flow is to flame pipe 4, because the clearance of flame pipe 4 inner wall and the boss portion cooperation terminal surface department of burner outer end is very little, the air can only get into the inner chamber of burner by air hole 3.2 on the round platform casing 3.7 perisporium of burner, because gas conduit 2 connects the gas joint 3.3 of burner, the gas gets into gas joint 3.3 and crosses gas hole 3.11 inflow in the inner chamber of burner on the baffle 3.1 from gas conduit 2, thereby make gas and air mix, ignition electrode 5 circular telegram is igniteed and is made the gas mixture burning of air and gas, detecting electrode 6 senses flame current.
Example 2
this embodiment will be described only for differences from the above-described embodiment, and the remaining technical features are the same as those of the above-described embodiment. In this embodiment, the gas holes 3.11 in different groups of the gas hole arrays have gradually increasing diameters from the center of the partition plate 3.1 to the peripheral surface. Through setting up like this, during the installation, pass ignition electrode perforation with ignition electrode 5 to communicate gas pipeline 2 with the inner chamber of gas joint 3.3, thereby on the combustible gas hole array of gas discharge in the gas hole 3.11, discharge in the air hole 3.2 of air round platform casing 3.7, gas hole 3.11 is by baffle 3.1 center to the direction of circumference crescent, thereby it is big to make the air output of outer gas hole 3.11 when gas and air mix, guarantee sufficient gas volume, be favorable to quick ignition, guarantee peripheral flame's stability simultaneously, ensure when regulating power, peripheral flame is difficult for being blown out by too big air current.
Example 3
This embodiment will be described only for differences from the above-described embodiment, and the remaining technical features are the same as those of the above-described embodiment. In this embodiment, the diameters of the air holes 3.2 in the air hole arrays of different groups gradually increase from the inner end to the outer end of the circular truncated cone housing 3.7. The aperture of the air hole 3.2 is gradually increased from the inner end to the outer end, thereby the air output of the inner layer air hole 3.2 close to the inner end of the circular truncated cone shell 3.7 is small when the gas and the air are mixed, the ignition is facilitated and the strong air flow is not easy to blow out, the ignition reliability is improved, by arranging a plurality of groups of air hole arrays, the air is divided into a plurality of strands of high-speed small air flows in the inner cavity of the circular truncated cone shell 3.7 through the air hole 3.2 and the gas respectively, then the small air flows and the small gas flows are crossed and mixed hierarchically, thereby the gas and the air are mixed for a plurality of times, the mixing uniformity of the gas and the air is improved, the gas combustion is more sufficient, the waste of the gas and the generation of harmful gas are reduced.
Example 4
This embodiment will be described only for differences from the above-described embodiment, and the remaining technical features are the same as those of the above-described embodiment. In this embodiment, the length of the ignition electrode cavity 3.4 and the detection electrode cavity 3.5 is greater than the length of the gas connector 3.3. By means of the arrangement, most of the ignition electrode 5 and the detection electrode 6 can be located in the ignition electrode cavity 3.4 and the detection electrode cavity 3.5, and the installation stability of the ignition electrode 5 and the detection electrode 6 is guaranteed.
Example 5
This embodiment will be described only for differences from the above-described embodiment, and the remaining technical features are the same as those of the above-described embodiment. In this embodiment, the outer wall of boss section 3.6 with flame guide tube 4's inner wall passes through recess and card post cooperation installation, the recess sets up on boss section 3.6's the outer wall, the card post sets up on flame guide tube 4 inner wall, recess and card post cooperation are connected and can be played the direction installation and prevent that the combustion head from taking place to shift and pivoted effect in the use.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used in the specification, the terms are used for convenience of description and do not limit the utility model in any way.
Claims (10)
1. A burner head comprises a burner body, wherein an ignition electrode perforation for inserting an ignition electrode and a detection electrode perforation for a detection electrode are formed in the burner body, a gas joint is arranged at the center of the burner body and connected with a gas pipeline, and the burner head is characterized by also being provided with a combustion head which is a circular truncated cone shell, the radial cross-sectional diameters of the two ends of the circular truncated cone shell along the axial direction are unequal, the radial cross-sectional diameter of the circular truncated cone shell from the inner end to the outer end is gradually increased, the gas joint is arranged on one side of the inner end of the circular truncated cone shell along the axial direction, a partition plate is further arranged at the position where the gas joint is connected with the inner end of the circular truncated cone shell, and a plurality of gas holes are formed in the partition plate; the peripheral wall of the circular truncated cone shell is provided with a plurality of groups of air hole arrays which extend along the axial direction, a plurality of air holes which are distributed along the radial direction are distributed on each air hole array, and the air holes which are close to the outer end of the circular truncated cone shell are larger than the air holes which are close to the inner end of the circular truncated cone shell.
2. The burner head of claim 1, wherein the baffle plate is provided with at least one group of circularly distributed gas hole arrays around the center of the baffle plate, each gas hole array is provided with a plurality of gas holes which have the same diameter and are uniformly distributed around the center of the baffle plate, and the diameters of the gas holes in the different groups of gas hole arrays are equal or gradually increased from the center of the baffle plate to the circumferential surface.
3. The burner head of claim 1 wherein said air holes in each of said air hole arrays have the same diameter and are equally spaced about said central axis of said frustoconical housing.
4. The burner head of claim 3, wherein the diameter of the air holes in different sets of the array of air holes increases from the inner end to the outer end of the circular truncated cone shell.
5. The burner head of claim 3, wherein in a direction from the inner end to the outer end of the frustoconical shell, the array of air holes near the outer end of the frustoconical shell is an outer array of air holes, the array of air holes near the inner end of the frustoconical shell is an inner array of air holes, and at least one intermediate array of air holes is disposed between the inner array of air holes and the outer array of air holes.
6. The burner head of claim 5 wherein the air hole diameters of one or more of the sets of air holes in the middle layer array of air holes are equal to the air hole diameters of the inner layer array of air holes.
7. The burner head of claim 1, wherein the ignition electrode through hole and the detection electrode through hole are respectively disposed on two sides of the circumferential wall of the circular truncated cone casing and penetrate through the circumferential wall, an ignition electrode cavity and a detection electrode cavity are further disposed outside the circumferential wall of the circular truncated cone casing, one end of the ignition electrode cavity and one end of the detection electrode cavity respectively extend to the ignition electrode through hole and the detection electrode through hole, and the other end of the ignition electrode cavity and the other end of the detection electrode cavity extend in the direction of the gas joint.
8. The burner head of claim 1 wherein the length of the ignition electrode cavity and the detection electrode cavity is greater than the length of the gas junction.
9. A gas burner comprises a burner body, an air pipeline, a gas pipeline, a burner tip, a flame guide pipe, an ignition electrode and a detection electrode, wherein the air pipeline is connected with the burner body, the gas pipeline is arranged in an inner cavity of the burner body, one end of the burner body is connected with the flame guide pipe, the burner tip is arranged in the inner cavity of the flame guide pipe, and one end of the gas pipeline is connected with the gas joint, and the burner tip is the burner tip according to any one of claims 1 to 8.
10. The gas burner of claim 9, wherein the outer end of the burner head is extended to form a boss section, the diameter of the outer wall of the boss section extending in the axial direction is kept constant, and the outer wall of the boss section is matched with the inner wall of the flame guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822203493.5U CN209782614U (en) | 2018-12-26 | 2018-12-26 | Burner head and burner comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822203493.5U CN209782614U (en) | 2018-12-26 | 2018-12-26 | Burner head and burner comprising same |
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| CN209782614U true CN209782614U (en) | 2019-12-13 |
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| CN201822203493.5U Active CN209782614U (en) | 2018-12-26 | 2018-12-26 | Burner head and burner comprising same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469900A (en) * | 2018-12-26 | 2019-03-15 | 广州威茨热能技术有限公司 | A kind of burner head and the burner including the burner head |
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2018
- 2018-12-26 CN CN201822203493.5U patent/CN209782614U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469900A (en) * | 2018-12-26 | 2019-03-15 | 广州威茨热能技术有限公司 | A kind of burner head and the burner including the burner head |
| CN109469900B (en) * | 2018-12-26 | 2024-03-15 | 广州威茨热能技术有限公司 | Burner head and burner comprising same |
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