CN112594687A - Combustion body assembly with heat insulation cavity - Google Patents

Combustion body assembly with heat insulation cavity Download PDF

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Publication number
CN112594687A
CN112594687A CN202011298393.0A CN202011298393A CN112594687A CN 112594687 A CN112594687 A CN 112594687A CN 202011298393 A CN202011298393 A CN 202011298393A CN 112594687 A CN112594687 A CN 112594687A
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CN
China
Prior art keywords
heat insulation
cavity
plate
gas distribution
insulation plate
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Pending
Application number
CN202011298393.0A
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Chinese (zh)
Inventor
刘凯
陈琦
潘叶江
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Vatti Co Ltd
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Vatti Co Ltd
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Filing date
Publication date
Application filed by Vatti Co Ltd filed Critical Vatti Co Ltd
Priority to CN202011298393.0A priority Critical patent/CN112594687A/en
Publication of CN112594687A publication Critical patent/CN112594687A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/62Mixing devices; Mixing tubes

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)

Abstract

The invention discloses a combustion body assembly with a heat insulation cavity, which comprises a gas distribution disc with an outer cavity and a combustion plate, wherein the outer cavity is internally provided with the heat insulation cavity and an outer gas distribution cavity, the heat insulation cavity is positioned at the radial outer side of the outer gas distribution cavity and close to the outer side wall of the gas distribution disc and is used for preventing combustion heat from radiating to the outer side wall, one surface of the heat insulation cavity facing the outer gas distribution cavity is provided with a reflecting layer, and the bottom of the outer gas distribution cavity is provided with an opening for outer ring gas to pass through. The combustion body assembly is simple in structure, can prevent combustion heat from radiating to the outer side wall of the gas distribution plate, and effectively reduces the temperature of the outer side wall of the gas distribution plate, so that the heat loss of the combustion plate is reduced, and the thermal efficiency of a combustor is improved; because the temperature of the outer side wall of the gas distribution plate is reduced, the temperature rise of a liquid containing plate and an operation area of the stove can be synchronously reduced, a user is prevented from being scalded, and the use safety and cooking experience are improved; by additionally arranging the reflecting layer, the heat absorbed by the heat insulation cavity can be reduced, and the temperature of the heat insulation cavity is reduced.

Description

Combustion body assembly with heat insulation cavity
Technical Field
The invention relates to the technical field of cooking utensils, in particular to a burner component applied to an infrared burner.
Background
The heat transfer mode of the infrared stove is mainly heat radiation, the upper surface combustion temperature of the combustion plate is close to 1000 ℃, the heat radiation quantity is in direct proportion to the fourth power of the temperature, the lower surface temperature of the metal combustion plate is about 600 ℃ although the temperature of the lower side of the combustion plate is lower than that of the upper surface, and more heat is radiated to the inner part of the furnace end, so that the temperature rise of the furnace end is higher, more heat is lost, and the improvement of the heat efficiency of the infrared stove is limited.
The invention patent CN2020110384253 of the prior application proposes to add a layer of heat insulation plate structure on the gas distribution plate to reduce the radiation of heat at the lower side of the combustion plate to the interior of the burner, and reduce the temperature rise inside the whole machine, but the patent has the following disadvantages:
1. the outer side surface of the gas distribution plate absorbs a large amount of heat on the lower side of the combustion plate, so that the temperature rise of a liquid containing plate area and an operation area (a knob or a touch screen area) of the whole gas stove is high, and the cooking experience is influenced;
2. because the outer side surface of the air distribution disc absorbs a large amount of heat, and the air distribution disc radiates and dissipates a large amount of heat to cold air outside, the further improvement of the heat efficiency is limited.
Disclosure of Invention
The invention aims to solve at least one of the problems in the prior related art to a certain extent, and therefore, the invention provides a combustion body assembly with a heat insulation cavity, which has a simple structure, can effectively reduce the temperature of the outer side wall of a gas distribution plate, reduces the heat loss at the lower side of a combustion plate, and improves the heat efficiency.
According to the burner body subassembly of taking thermal-insulated chamber that provides above-mentioned, it realizes through following technical scheme:
the combustion body assembly comprises a gas distribution disc and a combustion plate, wherein the gas distribution disc is provided with an outer cavity, the outer cavity is internally provided with a heat insulation cavity and an outer gas distribution cavity, the heat insulation cavity is positioned on the radial outer side of the outer gas distribution cavity and close to the outer side wall of the gas distribution disc and is used for preventing combustion heat from radiating to the outer side wall, a reflecting layer is arranged on one surface of the heat insulation cavity facing the outer gas distribution cavity and is used for reducing heat absorbed by the heat insulation cavity, and an opening hole for outer ring gas to pass through is formed in the bottom of the outer gas distribution cavity.
In some embodiments, the heat insulation structure is an outer heat insulation plate, a supporting surface located at the radial outer side of the opening is formed at the bottom of the outer cavity, the outer heat insulation plate is arranged in the outer cavity, the lower side of the outer heat insulation plate is abutted against or connected with the supporting surface, the upper side of the outer heat insulation plate is abutted against or connected with the upper end of the outer side wall, and the outer cavity is divided into the heat insulation cavity and the outer gas distribution cavity by the outer heat insulation plate.
In some embodiments, the outer heat insulation board is obliquely arranged in a vertical direction, and a surface of the outer heat insulation board facing away from the heat insulation cavity is provided with the reflection layer.
In some embodiments, the heat insulation structure includes an outer heat insulation plate and an inner heat insulation plate, a supporting surface located on the radial outer side of the opening is formed at the bottom of the outer cavity, the inner heat insulation plate is disposed in the outer cavity and abutted against the supporting surface, the outer heat insulation plate is disposed in the outer cavity and fixedly connected to the radial outer side of the inner heat insulation plate at the lower side thereof, the upper side of the outer heat insulation plate is abutted against or connected to the upper end of the outer side wall, and the inner heat insulation plate and the outer heat insulation plate jointly divide the outer cavity into the heat insulation cavity and the outer gas distribution cavity.
In some embodiments, the reflecting layer is disposed on a surface of the outer heat insulation board facing away from the heat insulation cavity, or the reflecting layer is disposed on a surface of the outer heat insulation board facing away from the heat insulation cavity and the reflecting layer is disposed on a surface of the inner heat insulation board facing away from the heat insulation cavity.
In some embodiments, the heat insulation cavity is a sealed cavity, or the heat insulation cavity is communicated with the outer gas distribution cavity.
In some embodiments, a radially outer side of the inner heat insulation plate is integrally formed with the outer heat insulation plate, a radially inner side of the inner heat insulation plate extends inwards and abuts against or is connected with the inner annular wall of the outer gas distribution cavity, and the inner heat insulation plate is provided with an air hole for passing outer ring gas at a position corresponding to the opening hole.
In some embodiments, a reflecting plate is arranged at the upper end and/or the lower end of the air hole, one side of the reflecting plate is fixedly connected with the inner heat insulation plate, and the other side of the reflecting plate extends obliquely upwards or obliquely downwards; or the upper end of the air hole is provided with a hollowed-out bulge, the hollowed-out bulge is fixedly connected with the inner heat insulation plate and covers the air hole, one side of the hollowed-out bulge is provided with an air outlet arranged towards the horizontal direction, and the air outlet is communicated with the air hole.
In some embodiments, the hollowed-out protrusion is formed by stamping and stretching a part of the inner heat insulation plate upwards integrally, one side of the hollowed-out protrusion is cut and separated from the inner heat insulation plate to form the air outlet, and the opening at the bottom of the hollowed-out protrusion forms the air hole.
In some embodiments, the reflecting plate is formed by bending part of the inner heat insulation plate obliquely upwards or obliquely downwards after being subjected to stamping cutting, and the air hole is formed by a gap between the reflecting plate and the inner heat insulation plate.
Compared with the prior art, the invention at least comprises the following beneficial effects:
1. according to the combustion body assembly, the heat insulation cavity between the outer side wall of the gas distribution disc and the outer gas distribution cavity is additionally arranged in the gas distribution disc, so that the structure is simple, the combustion heat can be prevented from radiating to the outer side wall of the gas distribution disc, the temperature of the outer side wall of the gas distribution disc is effectively reduced, the heat loss of a combustion plate is reduced, and the heat efficiency of a combustor is favorably improved;
2. because the temperature of the outer side wall of the gas distribution plate is reduced, the temperature rise of a liquid containing plate and an operation area of the stove can be synchronously reduced, a user is prevented from being scalded, and the use safety and cooking experience are improved;
3. through be equipped with the reflection stratum to the one side of dividing the gas chamber outward at thermal-insulated chamber face, can radiate the infrared reflection to the upside on the thermal-insulated chamber with the combustion plate downside for heating the cooking utensil, improve the thermal efficiency of combustor, reducible thermal-insulated absorptive heat in chamber simultaneously, and then the heat that makes thermal-insulated chamber conduct to minute gas dish lateral wall is lower, is showing and is reducing calorific loss.
Drawings
FIG. 1 is an exploded view of a burner assembly in accordance with example 1 of the present invention;
FIG. 2 is a sectional view of a burner body assembly in accordance with embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a thermal insulation structure in embodiment 1 of the present invention;
FIG. 4 is a sectional view of an air distribution plate and a heat insulating structure in embodiment 1 of the present invention;
FIG. 5 is a sectional view of an air distribution plate and a heat insulating structure in embodiment 2 of the present invention;
fig. 6 is a sectional view of an air distribution plate and a heat insulating structure in embodiment 3 of the present invention.
Detailed Description
The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the invention or equivalent substitutions of parts of technical features without departing from the spirit of the invention are intended to be covered by the scope of the claims of the invention.
Example 1
Referring to fig. 1-2, the present embodiment provides a burner assembly with an insulating chamber, comprising a gas distributor 1 and a burner plate 2, wherein the gas distributor 1 has an outer chamber 11 and an inner gas-distributing chamber 12 which are arranged at intervals, the inner gas-distributing chamber 12 is located at the radial inner side of the outer chamber 11 and is used for providing gas required for burning small fire, and the burner plate 2 is arranged on the gas distributor 1 and covers the top openings of the outer chamber 11 and the inner gas-distributing chamber 12. Preferably, a heat insulation cavity 111 and an outer gas distribution cavity 112 are arranged in the outer cavity 11, wherein the heat insulation cavity 111 is located radially outside the outer gas distribution cavity 112 and close to the outer sidewall 101 of the gas distribution plate 1 for preventing combustion heat from radiating to the outer sidewall 101 to reduce heat conduction to the outer sidewall 101 of the gas distribution plate 1. The surface of the heat insulation cavity 111 facing the outer gas distribution cavity 112 is provided with a reflective layer (not shown in the figure), and the reflective layer is used for reflecting infrared rays radiated to the heat insulation cavity 111 from the lower side of the combustion plate 2 to the upper side so as to heat a cooker, improve the heat efficiency of the burner, reduce the heat absorbed by the heat insulation cavity 111, and reduce the temperature of the heat insulation cavity 111, so that the heat conducted from the heat insulation cavity 111 to the outer side wall of the gas distribution plate is lower, and the temperature of the outer side wall 101 and the heat loss of the burner are obviously reduced. An opening hole 102 for the outer ring gas to pass through is arranged at the bottom of the outer gas distribution cavity 112. In the present embodiment, the outer ring gas refers to the gas which is transmitted from the outer ring gas chamber of the burner up to the big fire area of the combustion plate 2 for burning by big fire.
It can be seen that, in the burner assembly of the present embodiment, the heat insulation cavity 111 between the outer sidewall 101 and the outer gas distribution cavity 112 is additionally arranged inside the gas distribution plate 1, so that the structure is simple, the heat generated by combustion can be prevented from radiating to the outer sidewall 101 of the gas distribution plate 1, and the temperature of the outer sidewall 101 of the gas distribution plate 1 can be effectively reduced, thereby reducing the heat loss of the combustion plate 2 and facilitating the improvement of the heat efficiency of the burner. In addition, because the gas distribution plate 1 is close to the liquid containing plate of the cooker and the control area (namely, the knob and/or the touch screen area), the temperature of the outer side wall of the gas distribution plate is reduced, the temperature rise of the liquid containing plate of the cooker and the temperature rise of the control area can be synchronously reduced, the user is prevented from being scalded, and the use safety and the cooking experience are improved.
Referring to fig. 1-2, specifically, a support surface 103 is formed at the bottom of the gas distribution plate 1 (i.e., the bottom of the outer cavity 11) and located radially outside the opening hole 102, and when the gas distribution plate 1 is detachably mounted on the burner, the support surface 103 is used for abutting against the upper end surface of the outer ring wall of the outer ring air cavity of the burner. In addition, a flanging 104 is integrally formed at the upper end of the outer side wall 101 of the gas distribution plate 1, and the flanging 104 is used for clamping the radial outer side of the combustion plate 2 to prevent the combustion plate 2 from edge warping after long-term use.
Referring to fig. 3-4, further, the heat insulation structure 3 is further included, the heat insulation structure 3 includes an outer heat insulation plate 31 and an inner heat insulation plate 32, wherein the inner heat insulation plate 32 is disposed in the outer cavity 11 and abuts against the support surface 103, the outer heat insulation plate 31 is disposed in the outer cavity 11 and is fixedly connected to the radial outside of the inner heat insulation plate 32 at the lower side thereof, the upper side abuts against or is connected to the upper end of the outer sidewall 101, and the inner heat insulation plate 32 and the outer heat insulation jointly divide the outer cavity 11 into a heat insulation cavity 111 and an outer gas distribution cavity 112. From this, thermal-insulated chamber 111 is for by lateral wall 101, divide the part that gas dish 1 bottom is located the holding surface 103 outside, the part that interior heat insulating board 32 is located the holding surface 103 outside is injectd with outer heat insulating board 31 jointly, like this, outer heat insulating board 31 cooperates jointly with interior heat insulating board 32, prevented 2 downside heats radiation to the lateral wall 101 of gas dish 1 of burning, effectively reduce the temperature of gas dish lateral wall, the flourishing liquid dish that reduces cooking utensils is showing in step and the regional temperature rise of controlling, prevent scalding the user, improve cooking experience.
Preferably, a reflective layer is disposed on a surface of the outer heat insulation plate 31 facing away from the heat insulation cavity 111, so that infrared rays radiated from the lower side of the combustion plate 2 to the outer heat insulation plate 31 can be reflected upward by the reflective layer of the outer heat insulation plate 31 to heat the cooker, thereby improving the thermal efficiency of the burner, and simultaneously reducing the temperature of the outer heat insulation plate 31, which is beneficial to further reducing the temperature of the outer sidewall 101 of the gas distribution plate 1. Certainly, in order to further improve the thermal efficiency of the burner, a reflective layer may be further added on a surface of the inner heat insulation plate 32 away from the heat insulation cavity 111, so that the heat absorbed by the heat insulation structure 3 is effectively reduced through the reflective layers on the outer heat insulation plate 31 and the inner heat insulation plate 32, the temperature of the heat insulation structure 3 is reduced, and the heat radiated to the outer sidewall 101 is further reduced.
In the present embodiment, the outer insulation panel 31 and the inner insulation panel 32 are made of high specular stainless steel, so that the surfaces of the outer insulation panel 31 and the inner insulation panel 32 facing the outer gas separation chamber 112 are high specular surfaces having a high reflectivity and constituting a reflective layer. The upper side of the outer heat insulation plate 31 is lapped or welded on the upper end of the inner side of the outer side wall 101, the lower side of the outer heat insulation plate 31 and the radial outer side of the inner heat insulation plate 32 are integrally formed, so that the rapid processing and forming are facilitated, the formed heat insulation cavity 111 is a sealed cavity filled with air, in this way, the air in the inner heat insulation plate 32 and the fuel gas in the outer gas distribution cavity 112 are not communicated with each other, the heat insulation structure 3 can form a first layer of heat insulation, the air in the heat insulation cavity 111 can form a second layer of heat insulation, the air is a good heat insulation medium, the heat conductivity of the air is only one fourth of common stainless steel within the range of 600 ℃, therefore, double-layer heat insulation is formed on the inner side of the outer side wall 101, the heat quantity conducted from the heat insulation structure 3 to the outer side wall of the gas distribution plate is lower, the temperature rise of.
In other embodiments, the insulating chamber 111 may be disposed to communicate with the outer branch air chamber 112.
Referring to fig. 3-4, the radially inner side of the inner heat insulating plate 32 preferably extends inward and abuts or connects to the inner annular wall of the outer gas-distribution chamber 112, so that the portion of the inner heat insulating plate 32 located inside the supporting surface 103 can divide the outer gas-distribution chamber 112 into upper and lower portions. The inner heat insulating plate 32 is provided with an air hole 321 for passing the outer ring gas at a position corresponding to the opening 102, so that the upper and lower parts can communicate with each other through the air hole 321. Therefore, the inner heat insulation plate 32 can effectively prevent heat radiation of the lower side of the big fire area of the combustion plate 2 from reaching the lower side of the inner heat insulation plate 32, and further the temperature rise of the outer ring air cavity of the furnace end can be reduced.
Preferably, a hollow protrusion 322 is disposed at an upper end of the air hole 321, the hollow protrusion 322 is fixedly connected to the inner heat insulation plate 32 and covers the air hole 321, and an air outlet (not shown) disposed in a horizontal direction is disposed at one side of the hollow protrusion 322 and is communicated with the air hole 321. Therefore, through the arrangement of the hollow-out protrusions 322, heat on the lower side of the combustion plate 2 can be prevented from directly vertically radiating downwards to the outer ring air cavity of the furnace end through the air holes 321, and the temperature rise of the furnace end and the inner part of the stove can be further reduced; secondly, the flow direction of the gas is bent when the gas is vertically and upwards transmitted from the outer ring gas cavity of the furnace end and flows through the hollow-out bulges 322, so that the path of the gas transmitted from bottom to top is changed and prolonged, the gas and the air can be mixed more uniformly in sufficient time, and the combustion is more sufficient and stable; third, under the restriction of fretwork arch 322, outer loop gas flows out with the tangential from the gas outlet, does benefit to outer loop gas and fills earlier and upwards transmit to combustion plate 2 after full outer gas distribution chamber 112 for the gas mixture equipartition that flows to combustion plate 2 is more even, and the burning is more stable.
In this embodiment, the inner heat insulation plate 32 is provided with a plurality of air holes 321 along the inner side of the supporting surface 103 at uniform intervals along the circumferential direction, so as to perform the function of evenly dividing the air flow, so that the mixed air transmitted to the combustion plate 2 is distributed more uniformly, and the infrared burner is ensured to heat more uniformly. The upper end of each air hole 321 is provided with a hollowed-out protrusion 322, the air outlet is arranged on the left side or the right side of the circumferential direction of the hollowed-out protrusion 322, and the air outlet direction of all the air outlets is towards clockwise or anticlockwise air outlet so as to avoid interference between the adjacent air outlets.
More preferably, the hollow-out protrusion 322 is formed by stamping and stretching the local inner heat insulation plate 32 upwards integrally, one side of the hollow-out protrusion 322 is cut and separated from the inner heat insulation plate 32 to form an air outlet, and an air hole 321 is formed in an opening at the bottom of the hollow-out protrusion 322, so that the hollow-out protrusion 322 can be processed and formed quickly, and the connection process of the hollow-out protrusion 322 and the inner heat insulation plate 32 is simplified.
Example 2
Referring to fig. 5, the present embodiment is different from embodiment 1 in the structure of the inner heat insulating plate 32. Specifically, the width of the inner heat insulating plate 32 in the radial direction is smaller, the radially inner side of the inner heat insulating plate 32 abuts against or is connected to the supporting surface 103 of the gas distribution plate 1, so that the outer sidewall 101, the portion of the bottom of the gas distribution plate 1 located outside the supporting surface 103, the inner heat insulating plate 32, and the outer heat insulating plate 31 together define a heat insulating cavity 111, and the heat insulating cavity 111 is a sealed cavity filled with air or a heat insulating material, and the rest is the same as that of embodiment 1.
It can be seen that, in the present embodiment, by reducing the size of the inner heat insulation plate 32, the temperature of the outer side wall of the gas distribution plate is effectively reduced, and at the same time, the overall structure of the heat insulation structure 3 is simpler and the manufacturing cost is lower.
Example 3
Referring to fig. 6, the present embodiment is different from embodiment 1 or 2 in that the structure of the heat insulating structure 3 is different. Specifically, the heat insulation structure 3 is an outer heat insulation plate 31, the outer heat insulation plate 31 is disposed in the outer cavity 11, the lower side of the outer heat insulation plate 31 is directly abutted to or connected with the supporting surface 103 of the air distribution plate 1, and the upper side of the outer heat insulation plate is abutted to or connected with the upper end of the outer side wall 101 of the air distribution plate 1, so that the outer cavity 11 can be divided into the heat insulation cavity 111 and the outer air distribution cavity 112 only by the outer heat insulation plate 31. More specifically, the heat insulation chamber 111 is a sealed chamber filled with air, and the outer heat insulation plate 31 is inclined in the vertical direction, so that the volume of the formed heat insulation chamber 111 is larger, and the air heat insulation effect is better. In addition, a reflective layer may be added on the side of the external insulation board 31 away from the insulation cavity 111 to reflect infrared rays radiated from the lower side of the combustion board 2 onto the external insulation board 31 upward for heating the cooker and improving the thermal efficiency of the burner.
In this embodiment, in order to ensure the installation stability of the external heat insulation board 31, the upper and lower sides of the external heat insulation board 31 are respectively connected with the upper end of the outer sidewall 101 of the gas distribution plate 1 and the supporting surface 103 of the gas distribution plate 1, and the other parts are the same as those in embodiment 1.
It can be seen that, heat insulating board 1 in this embodiment is saved for heat insulating structure 3's overall structure is simpler, and the cost is lower, and the thermal-insulated chamber 111 volume that makes simultaneously to form is bigger, does benefit to further promotion thermal-insulated effect, makes the reduction effect of the lateral wall 101 temperature of gas distribution dish 1 show more, shows the flourishing liquid dish that reduces cooking utensils in step and controls regional temperature rise.
Example 4
The present embodiment is different from embodiment 1 in the structure of the inner heat insulating plate 32. Specifically, a reflection plate is provided at the upper end and/or the lower end of the air hole 321, one side of the reflection plate is fixedly connected to the inner heat insulation plate 32, and the other side thereof extends obliquely upward or obliquely downward. In this embodiment, the upper end of the air hole 321 is provided with a reflecting plate, the reflecting plate is formed by punching and cutting a part of the inner heat insulating plate 32 and then bending the part obliquely upward, the air hole 321 is formed in the gap between the reflecting plate and the inner heat insulating plate 32, and the rest of the parts are the same as those in embodiment 1.
It can be seen that this embodiment has realized preventing 2 downside heats of burning plate direct vertical downward radiation to furnace end outer ring air cavity through adopting the reflecting plate to replace fretwork arch 322, reduces the temperature rise of furnace end, and the machine-shaping technology of reflecting plate is simpler simultaneously, easily the operation.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.

Claims (10)

1. The combustion body assembly with the heat insulation cavity comprises a gas distribution disc (1) with an outer cavity (11) and a combustion plate (2), and is characterized in that the outer cavity (11) is internally provided with a heat insulation cavity (111) and an outer gas distribution cavity (112), the heat insulation cavity (111) is positioned on the radial outer side of the outer gas distribution cavity (112) and close to the outer side wall (101) of the gas distribution disc (1) and used for preventing combustion heat from radiating to the outer side wall (101), a reflection layer is arranged on one surface, facing the outer gas distribution cavity (112), of the heat insulation cavity (111), and an opening (102) for outer ring gas to pass through is formed in the bottom of the outer gas distribution cavity (112).
2. The burner body assembly with the heat insulation cavity according to claim 1, further comprising a heat insulation structure (3), wherein the heat insulation structure (3) is an outer heat insulation plate (31), the bottom of the outer cavity (11) is formed with a support surface (103) located radially outside the opening (102), the outer heat insulation plate (31) is disposed in the outer cavity (11) and the lower side thereof abuts against or is connected with the support surface (103), the upper side abuts against or is connected with the upper end of the outer side wall (101), and the outer heat insulation plate (31) divides the outer cavity (11) into the heat insulation cavity (111) and the outer gas distribution cavity (112).
3. A burner body assembly with an insulated chamber according to claim 2, characterized in that the outer insulating panel (31) is arranged inclined in the vertical direction and that the side of the outer insulating panel (31) facing away from the insulated chamber (111) is provided with the reflective layer.
4. The burner body assembly with the heat insulation cavity according to claim 1, wherein the heat insulation structure (3) comprises an outer heat insulation plate (31) and an inner heat insulation plate (32), the bottom of the outer cavity (11) is formed with a support surface (103) located at the radial outer side of the opening (102), the inner heat insulation plate (32) is arranged in the outer cavity (11) and abutted against the support surface (103), the outer heat insulation plate (31) is arranged in the outer cavity (11) and the lower side thereof is fixedly connected with the radial outer side of the inner heat insulation plate (32), the upper side thereof is abutted against or connected with the upper end of the outer side wall (101), and the inner heat insulation plate (32) and the outer heat insulation jointly divide the outer cavity (11) into the heat insulation cavity (111) and the outer gas distribution cavity (112).
5. The burner body assembly with the heat insulation cavity as claimed in claim 4, wherein the surface of the outer heat insulation plate (31) facing away from the heat insulation cavity (111) is provided with the reflective layer, or the surfaces of the outer heat insulation plate (31) and the inner heat insulation plate (32) facing away from the heat insulation cavity (111) are respectively provided with the reflective layer.
6. The burner body assembly with the insulated cavity according to any one of claims 1 to 5, wherein the insulated cavity (111) is a sealed cavity, or the insulated cavity (111) is communicated with the outer branch air cavity (112).
7. The burner body assembly with the heat insulation cavity according to claim 4, wherein the radially outer side of the inner heat insulation plate (32) is integrally formed with the outer heat insulation plate (31), the radially inner side extends inwards and abuts against or is connected with the inner annular wall of the outer gas distribution cavity (112), and the inner heat insulation plate (32) is provided with an air hole (321) for passing outer annular combustion gas at a position corresponding to the opening hole (102).
8. The burner body assembly with the heat insulation cavity as claimed in claim 7, wherein a reflection plate is arranged at the upper end and/or the lower end of the air hole (321), one side of the reflection plate is fixedly connected with the inner heat insulation plate (32), and the other side of the reflection plate extends obliquely upwards or obliquely downwards;
or the upper end of the air hole (321) is provided with a hollowed-out bulge (322), the hollowed-out bulge (322) is fixedly connected with the inner heat insulation plate (32) and covers the air hole (321), one side of the hollowed-out bulge (322) is provided with an air outlet which is arranged towards the horizontal direction, and the air outlet is communicated with the air hole (321).
9. The burner body assembly with the heat insulation cavity as claimed in claim 8, wherein the hollowed-out protrusion (322) is formed by integrally stamping and drawing part of the inner heat insulation plate (32) upwards, one side of the hollowed-out protrusion (322) is cut away from the inner heat insulation plate (32) to form the air outlet, and the air hole (321) is formed in an opening at the bottom of the hollowed-out protrusion (322).
10. The burner body assembly with the heat insulation cavity as claimed in claim 8, wherein the reflection plate is formed by bending part of the inner heat insulation plate (32) obliquely upwards or obliquely downwards after being subjected to stamping and cutting, and the air holes (321) are formed by a gap between the reflection plate and the inner heat insulation plate (32).
CN202011298393.0A 2020-11-19 2020-11-19 Combustion body assembly with heat insulation cavity Pending CN112594687A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011298393.0A CN112594687A (en) 2020-11-19 2020-11-19 Combustion body assembly with heat insulation cavity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011298393.0A CN112594687A (en) 2020-11-19 2020-11-19 Combustion body assembly with heat insulation cavity

Publications (1)

Publication Number Publication Date
CN112594687A true CN112594687A (en) 2021-04-02

Family

ID=75183423

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011298393.0A Pending CN112594687A (en) 2020-11-19 2020-11-19 Combustion body assembly with heat insulation cavity

Country Status (1)

Country Link
CN (1) CN112594687A (en)

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