CN111102571B - Complete upper air inlet burner - Google Patents

Complete upper air inlet burner Download PDF

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Publication number
CN111102571B
CN111102571B CN202010157123.1A CN202010157123A CN111102571B CN 111102571 B CN111102571 B CN 111102571B CN 202010157123 A CN202010157123 A CN 202010157123A CN 111102571 B CN111102571 B CN 111102571B
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CN
China
Prior art keywords
fire
burner
central
integrated
main
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CN202010157123.1A
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Chinese (zh)
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CN111102571A (en
Inventor
陈毅
陈明军
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Individual
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Individual
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details
    • F23D14/62—Mixing devices; Mixing tubes
    • F23D14/64—Mixing devices; Mixing tubes with injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details
    • F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
    • F23D14/82—Preventing flashback or blowback
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

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

Abstract

The full upper air inlet burner comprises an integrated fire cover, an integrated burner and a burner support, wherein the integrated fire cover is covered on an integrated burner, a central fire outlet hole and a main fire outlet hole are formed in the integrated fire cover, a central fire mixing cavity and a main fire mixing cavity are formed in the integrated burner, the integrated burner comprises a burner partition plate, a central fire ejector and a main fire ejector, the central fire ejector is fixed on the upper surface of the burner partition plate, the main fire ejector is fixed on the lower surface of the burner partition plate, the air outlet end of the central fire ejector is communicated with the central fire mixing cavity, the air outlet end of the main fire ejector is communicated with the main fire mixing cavity, the central fire mixing cavity is communicated with a central fire splitting cavity, and the main fire mixing cavity is communicated with the main fire splitting cavity; the central fire distribution cavity is communicated with the central fire outlet hole of the integrated fire cover, and the main fire distribution cavity is communicated with the main fire outlet hole of the integrated fire cover. The invention has compact structure, good injection capacity, high stability, high combustion power and high working reliability.

Description

Complete upper air inlet burner
Technical Field
The invention relates to a complete upper air inlet combustor.
Background
In the current gas cooker and integrated cooker industry, most of the burners adopt a lower air inlet combustion technology, while some are upper air inlets, the burner heads are lifted on the basis of the lower air inlet burners so as to realize the supply of secondary air from above a panel, and the upper air inlet is not realized by the supplement of primary air, so the burner cannot be called a complete upper air inlet technology. When the burner is applied to a common gas stove, the cabinet door of the cabinet needs to be provided with a vent hole; when the burner is applied to an integrated kitchen range, a stay wire operating mechanism of a regulating air door is required to be arranged; the burner has harsh installation conditions, and the size of the ventilation hole and the stability of the stay wire operating mechanism directly influence the working reliability of the burner.
The existing burner mostly comprises a central fire cover and a main fire cover, wherein the central fire cover and the main fire cover are independent components, a central fire outlet hole is formed in the central fire cover, and a main fire outlet hole is formed in the main fire cover, so that the structure is complex.
The central fire structure of the existing burner is independent, and the flame of the central fire hole is sprayed out to the periphery of the burner, so that the central fire structure is easy to intersect with the outer ring fire of the burner, is easy to generate the phenomena of combustion and flameless, and has high CO emission and low thermal efficiency when the power is high.
The existing part of upper air inlet burner is generally smaller in ejector, and cannot meet the ejection requirement of large load, so that the heat load is generally smaller, only about 3.5-4.0kW, the combustion flame is small, and the requirement of Chinese meal quick-frying cannot be met. Meanwhile, the ejector is smaller, so that the adaptability to fuel gas is poor, and the combustion stability is poor, and the method is not well popularized.
The existing part completely upper air inlet burner has air flow interference of primary air and secondary air during working, has the phenomenon of gas robbing, and has poor combustion stability.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art and providing the complete upper air inlet burner which has a compact structure and can prevent the air flow interference and the air robbing phenomenon during combustion.
The full upper air inlet burner comprises an integrated fire cover, an integrated burner and a burner support, wherein the integrated fire cover is covered on an integrated burner, a central fire outlet hole and a main fire outlet hole are formed in the integrated fire cover, a central fire mixing cavity and a main fire mixing cavity are formed in the integrated burner, the integrated burner comprises a burner partition plate, a central fire ejector and a main fire ejector, the central fire ejector is fixed on the upper surface of the burner partition plate, the main fire ejector is fixed on the lower surface of the burner partition plate, the air outlet end of the central fire ejector is communicated with the central fire mixing cavity, the air outlet end of the main fire ejector is communicated with the main fire mixing cavity, the central fire mixing cavity is communicated with a central fire splitting cavity, and the main fire mixing cavity is communicated with the main fire splitting cavity; the central fire distribution cavity is communicated with a central fire outlet hole of the integrated fire cover, and the main fire distribution cavity is communicated with a main fire outlet hole of the integrated fire cover; the burner support is provided with a nozzle mounting seat, a main fire nozzle and a central fire nozzle are arranged on the nozzle mounting seat, the main fire nozzle is positioned below the burner partition, the central fire nozzle is positioned above the burner partition, the outer end face of the main fire nozzle and the outer end face of the central fire nozzle are both positioned on the inner side of the outer edge of the burner partition, the main fire nozzle is coaxial with the air inlet end of the main fire ejector, the central fire nozzle is coaxial with the air inlet end of the central fire ejector, the outer end face of the air inlet end of the central fire ejector and the outer end face of the air inlet end of the main fire ejector are both positioned on the inner side of the outer edge of the burner partition, a gap is reserved between the outer end face of the main fire nozzle and the outer end face of the air inlet end of the main fire ejector, the nozzle mounting seat is also provided with a main fire air inlet and a central fire air inlet, the main fire air inlet of the nozzle mounting seat is communicated with the main fire nozzle through a main fire air flow passage in the nozzle mounting seat, the central air inlet of the nozzle mounting seat is communicated with the central fire air inlet of the central fire nozzle through a central fire air flow passage in the nozzle mounting seat, and the main fire air inlet of the central fire mounting seat is externally connected with the main fire air inlet of the central fire pipe; the burner support is provided with an ignition needle fixing frame and a thermocouple fixing frame, the ignition needle fixing frame is provided with an ignition needle mounting hole, the thermocouple fixing frame is provided with a thermocouple mounting hole, the thermocouple is arranged in the thermocouple mounting hole, and the ignition needle is arranged in the ignition needle mounting hole; the center of the integral fire cover is provided with a through hole, and the upper end of the ignition needle and the upper end of the thermocouple extend into the central through hole of the integral fire cover.
The action of the ignition needle and the thermocouple is the same as that of the ignition needle and the thermocouple in the existing burner, so that the action of the ignition needle and the thermocouple is not repeated here.
The integrated furnace end further comprises an upper partition plate, a furnace end inner ring, a furnace end outer ring and a furnace end middle ring, wherein the upper partition plate is arranged above the furnace end partition plate, a through hole is formed in the center of the upper partition plate, the central through hole of the upper partition plate is communicated with the central through hole of the integrated fire cover, the furnace end inner ring is fixedly connected with the inner edge of the upper partition plate, the furnace end outer ring is fixedly connected with the outer edge of the upper partition plate, the furnace end inner ring, the furnace end middle ring and the furnace end outer ring are sequentially arranged from inside to outside, the furnace end inner ring, the furnace end middle ring and the furnace end outer ring are coaxial with the central shaft, and the lower surface of the furnace end middle ring is fixedly connected with the upper surface of the upper partition plate;
One part of the upper partition plate between the furnace end inner ring and the furnace end middle ring is in a horizontal state, the other part of the upper partition plate between the furnace end inner ring and the furnace end middle ring is downwards concave to form a first lower concave part of the upper partition plate, the inner surface of the first lower concave part of the upper partition plate between the furnace end inner ring and the furnace end middle ring is the inner bottom surface of the central fire mixing cavity, and the lowest point of the inner bottom surface of the central fire mixing cavity is not higher than the lowest point of the outer end surface of the air outlet end of the central fire ejector, so that the air outlet end of the central fire ejector is communicated with the central fire mixing cavity; both ends of the inner bottom surface of the central fire mixing cavity are arc-shaped surfaces, and the arc-shaped surfaces at both ends of the inner bottom surface of the central fire mixing cavity are connected with the upper surface of the upper partition plate part which is positioned between the inner ring of the furnace end and the middle ring of the furnace end and is in a horizontal state; the outer edge of the inner bottom surface of the central fire mixing cavity is in seamless connection with the inner wall of the furnace end middle ring, the inner edge of the inner bottom surface of the central fire mixing cavity is in seamless connection with the outer wall of the furnace end inner ring, and the inner wall of the furnace end middle ring and the outer wall of the furnace end inner ring form two inner side surfaces of the central fire mixing cavity;
One part of the upper partition plate between the outer ring of the furnace end and the middle ring of the furnace end is in a horizontal state, the other part of the upper partition plate between the outer ring of the furnace end and the middle ring of the furnace end is concave to form a second concave part of the upper partition plate, the inner surface of the second concave part of the upper partition plate between the outer ring of the furnace end and the middle ring of the furnace end is the inner bottom surface of the main fire mixing cavity, the inner bottom surface of the main fire mixing cavity extends out of the lower surface of the partition plate of the furnace end, and the lowest point of the inner bottom surface of the main fire mixing cavity is not higher than the lowest point of the outer end surface of the air outlet end of the main fire ejector, so that the air outlet end of the main fire ejector is communicated with the main fire mixing cavity; both ends of the inner bottom surface of the main fire mixing cavity are arc-shaped surfaces, and the arc-shaped surfaces at both ends of the inner bottom surface of the main fire mixing cavity are connected with the upper surface of the upper partition plate part which is positioned between the outer ring of the burner and the middle ring of the burner and is in a horizontal state; the outer edge of the inner bottom surface of the main fire mixing cavity is in seamless connection with the inner wall of the burner outer ring, the inner edge of the inner bottom surface of the main fire mixing cavity is in seamless connection with the outer wall of the burner middle ring, and the inner wall of the burner outer ring and the outer wall of the burner middle ring form two inner side surfaces of the main fire mixing cavity.
The upper partition plate part which is positioned between the inner ring of the furnace end and the middle ring of the furnace end and is in a horizontal state and the upper partition plate part which is positioned between the outer ring of the furnace end and the middle ring of the furnace end and is in a horizontal state form a horizontal state part of the upper partition plate together; the first lower concave part of the upper partition plate is positioned between the inner ring of the burner and the middle ring of the burner, and the second lower concave part of the upper partition plate is positioned between the outer ring of the burner and the middle ring of the burner, so that the lower concave parts of the upper partition plate are formed together.
Two secondary air channels and a central fire primary air channel are arranged in the integral furnace end; two vertical partition boards are arranged between the horizontal state part of the upper partition board and the furnace end partition board, the top surfaces of the two vertical partition boards are fixedly connected with the lower surface of the horizontal state part of the upper partition board of the integrated furnace end, the bottom surfaces of the two vertical partition boards are fixedly connected with the upper surface of the furnace end partition board of the integrated furnace end, the inner end surfaces of the two vertical partition boards are fixedly connected with the outer walls of the two sides of the air inlet end of the central fire ejector respectively, and the outer end surfaces of the two vertical partition boards extend to the position right below the outer ring of the furnace end. The cavity enclosed by the horizontal state parts of the two vertical partition plates and the upper partition plate and the furnace end partition plate is a central fire primary air channel, the inner end of the central fire primary air channel is communicated with the air inlet end of the central fire ejector, and the outer end of the central fire primary air channel is communicated with the atmosphere. The cavity surrounded by one vertical partition plate, the lower concave part of the upper partition plate, the horizontal state part of the upper partition plate and the furnace end partition plate is a secondary air channel, and the cavity surrounded by the other vertical partition plate, the lower concave part of the upper partition plate, the horizontal state part of the upper partition plate and the furnace end partition plate is another secondary air channel; the central primary air passage is located between two secondary air passages, and adjacent secondary air passages and the central primary air passage are separated by a corresponding vertical partition. The outer ends of the two secondary air channels are communicated with the atmosphere, and the inner ends of the two secondary air channels are communicated with the central through hole of the upper partition plate.
The integrative fire lid includes fire lid body, outer loop board, interior loop board and zhong guan, and open at the center of fire lid body has the through-hole, and the center through-hole of fire lid body is the center through-hole of integrative fire lid promptly, and the outer loop board of integrative fire lid links firmly with the outer fringe of fire lid body, and the interior loop board of integrative fire lid links firmly with the inner edge of fire lid body, and the zhong guan is fixed in fire lid body lower surface.
The central fire hole is arranged on the fire cover body between the inner ring plate and the middle ring plate; or the central fire hole is arranged on the inner annular plate; or the inner ring plate and the fire cover body between the inner ring plate and the middle ring plate are respectively provided with a central fire hole.
The main fire outlet hole is arranged on the fire cover body between the outer ring plate and the middle ring plate of the integrated fire cover; or the main fire outlet holes are arranged on the outer ring plate of the integrated fire cover; or the outer ring plate of the integrated fire cover and the fire cover body between the outer ring plate and the middle ring plate are provided with main fire outlet holes.
The central axis of the central fire outlet hole is obliquely upwards intersected with the central axis of the integral fire cover, so that the central fire outlet hole can spray mixed air flow towards the central axis of the burner. When the burner works, the central flame generated by the mixed air flow sprayed out from the central flame outlet hole is concentrated to the center of the bottom of the cooker, and then diffuses from the center of the bottom of the cooker to the periphery of the cooker, so that the heating of the center of the bottom of the cooker is facilitated, and meanwhile, the contact path between the flame and the bottom of the cooker is prolonged due to the outward diffusion of the flame from the center, and the heat efficiency is effectively improved.
The outer ring plate of the integrated fire cover is matched with the outer ring of the furnace end of the integrated furnace end, the middle ring plate of the integrated fire cover is matched with the middle ring of the furnace end of the integrated furnace end, the inner ring plate of the integrated fire cover is matched with the inner ring of the furnace end of the integrated furnace end, and the cavity surrounded by the outer ring plate of the integrated fire cover, the fire cover body of the integrated fire cover, the middle ring plate of the integrated fire cover, the outer ring of the furnace end of the integrated furnace end, the upper partition plate part in a horizontal state between the outer ring of the furnace end and the middle ring of the furnace end of the integrated furnace end is a main fire distribution cavity; the inner ring plate of the integral fire cover, the fire cover body of the integral fire cover, the middle ring plate of the integral fire cover, the inner ring of the integral burner, the upper partition plate part which is positioned between the inner ring of the burner and the middle ring of the burner and is in a horizontal state, and the cavity surrounded by the middle ring of the burner of the integral burner are central fire distribution cavities.
The flame cover body of the integrated flame cover is provided with the continuous flame hole, the continuous flame hole penetrates through the upper surface and the lower surface of the flame cover body, the outer end of the continuous flame hole is connected with the main flame hole of the integrated flame cover, the inner end of the continuous flame hole extends to the outer periphery side of the central flame hole of the integrated flame cover, flame is transmitted between the main flame hole and the central flame hole through the continuous flame hole, the flame of the main flame hole and the flame of the central flame hole cannot form intersection, combustion is stable, and the improvement of power and energy efficiency is facilitated.
The inner ring plate of the integral fire cover is provided with a fire cover limiting groove, and the inner ring of the integral furnace end is fixedly provided with a limiting protrusion matched with the fire cover limiting groove, and the limiting protrusion extends into the fire cover limiting groove and is used for limiting the installation direction of the integral fire cover so as to be beneficial to realizing circumferential positioning of the integral fire cover on the integral furnace end.
The full upper air inlet combustor further comprises a main fire equalizing plate and a central fire equalizing plate, main fire equalizing holes are formed in the main fire equalizing plate, central fire equalizing holes are formed in the central fire equalizing plate, main fire equalizing plate mounting columns and central fire equalizing plate mounting columns are fixed on the lower surface of the fire cover body of the integrated fire cover, the main fire equalizing plate is fixed on the main fire equalizing plate mounting columns, and the central fire equalizing plate is fixed on the central fire equalizing plate mounting columns; the main fire equalizing plate is positioned above the main fire mixing cavity, and the central fire equalizing plate is positioned above the central fire mixing cavity.
The lower ends of the main fire equalizing plate mounting columns and the lower ends of the central fire equalizing plate mounting columns are respectively provided with mounting holes, and the main fire equalizing plate and the central fire equalizing plate are also provided with mounting holes; the main fire equalizing plate and the main fire equalizing plate mounting column can be fixedly connected through connecting pieces arranged in the lower end mounting holes of the main fire equalizing plate mounting column and the mounting holes of the main fire equalizing plate; the central fire equalization plate and the central fire equalization plate mounting column can be fixedly connected through the connecting pieces arranged in the lower end mounting holes of the central fire equalization plate mounting column and the mounting holes of the central fire equalization plate. The connection member may be a screw or the like. The fixing mode of the central fire equalization plate and the central fire equalization plate mounting column, and the fixing mode of the main fire equalization plate and the main fire equalization plate mounting column can also adopt other existing mature modes, such as riveting and the like, and detailed description is omitted here.
The cross section of the main fire mixing cavity is in an inverted trapezoid shape, so that most of air flow flowing into the main fire mixing cavity from the air outlet end of the main fire ejector can be collected at the main fire equalizing plate, and after the main fire mixing cavity with the inverted trapezoid cross section is matched with the main fire equalizing plate, mixed air flow in the main fire mixing cavity can be better distributed into the integral cavity of the main fire distributing cavity. The cross section of the central fire mixing cavity is in an inverted trapezoid shape, so that most of air flows flowing into the central fire mixing cavity from the air outlet end of the central fire ejector can be collected at the central fire equalizing plate, and after the cross section of the central fire mixing cavity is matched with the central fire equalizing plate, mixed air flows in the central fire mixing cavity can be better distributed into the integral cavity of the central fire distributing cavity.
Further, the thickness of the burner partition plate gradually decreases from the center of the burner partition plate to the outer edge of the burner partition plate, so that the liquid falling onto the burner partition plate can flow out through the secondary air passage.
Further, a water tray is arranged between the integrated furnace end and the burner support. The water tray is provided with short support column mounting holes (the number is preferably one) and long support column mounting holes (the number is preferably two), the upper surface of the burner support is also provided with the short support column mounting holes and the long support column mounting holes, the lower ends of the short support columns penetrate through the short support column mounting holes on the water tray and then extend into the short support column mounting holes on the upper surface of the burner support, and the lower ends of the long support columns penetrate through the long support column mounting holes on the water tray and then extend into the long support column mounting holes on the upper surface of the burner support; the top surface of short support column and the top surface of long support column all with the lower surface contact of integrative furnace end, be favorable to reducing the installation screw quantity on water tray surface like this to convenient cleanness promotes whole outward appearance effect simultaneously.
The outer end face of the main fire nozzle and the main fire ejector are both positioned on the inner side of the outer edge of the furnace end partition board, so that liquid which is in misoperation or is dropped onto the furnace end partition board can be shunted onto the water tray, and the interference on combustion stability is reduced.
The lower surface of the burner support is fixedly provided with a lower connecting column, the lower end of the lower connecting column is provided with a connecting hole, the chassis of the gas cooker or the integrated cooker product is also provided with a connecting hole, and the connecting hole at the lower end of the lower connecting column is connected with the connecting hole on the chassis of the gas cooker or the integrated cooker product through a connecting piece. The connection may be a bolt or the like.
Further, the water tray is provided with a nozzle mounting seat penetrating hole, an ignition needle fixing frame penetrating hole and a thermocouple fixing frame penetrating hole, the burner partition board is also provided with a nozzle mounting seat penetrating hole, and the nozzle mounting seat on the burner support upwards penetrates through the nozzle mounting seat penetrating hole of the water tray and the nozzle mounting seat penetrating hole of the burner partition board in sequence. The burner baffle is also provided with an ignition needle fixing frame penetrating hole and a thermocouple fixing frame penetrating hole; the upper end of the ignition needle fixing frame sequentially penetrates through the ignition needle fixing frame penetrating hole of the water disc and the ignition needle fixing frame penetrating hole of the burner partition plate from bottom to top, and the upper end of the thermocouple fixing frame sequentially penetrates through the thermocouple fixing frame penetrating hole of the water disc and the thermocouple fixing frame penetrating hole of the burner partition plate from bottom to top, so that the circumferential positioning of the integrated burner is further realized.
The burner partition plate is also provided with a central fire nozzle through hole which is communicated with the nozzle mounting seat penetrating hole on the burner partition plate so as to facilitate the central fire nozzle and the nozzle mounting seat provided with the central fire nozzle to penetrate through the burner partition plate together. The center fire nozzle is located above the main fire nozzle.
The main fire ejector is arranged on the upper surface of the furnace end partition board in the transverse direction, the central fire ejector is arranged on the lower surface of the furnace end partition board in the transverse direction, so that the length of the main fire ejector and the central fire ejector is prolonged to the greatest extent while the diameter of the burner is reduced, the ejection coefficient is improved, the high-power combustion requirement is met, and the problems of red flame, yellow flame and the like cannot occur in long-time combustion.
Further, the front section of the central fire nozzle is provided with external threads, the middle section of the central fire nozzle is provided with an air introducing hole, the rear section of the central fire nozzle is also provided with external threads, the front section and the middle section of the central fire nozzle are sleeved with a central fire air door pocket with inner walls provided with internal threads, the nozzle mounting seat is provided with a central fire nozzle mounting hole, and the central fire nozzle is mounted on the central fire nozzle mounting hole of the nozzle mounting seat through the external threads of the rear section of the central fire nozzle. Through the rotatory center fire air door pocket, the coincidence area size of center fire air door pocket and the air bleed hole of center fire nozzle can be adjusted, the air bleed hole of center fire nozzle that is not covered by center fire air door pocket can introduce the air and get into in the center fire nozzle, so realize the air bleed hole of center fire nozzle and introduce the regulation of air volume to make combustor adaptability better, stability is higher.
The structure of the main fire nozzle is the same as that of the central fire nozzle. Similarly, the front section of the main fire nozzle is provided with external threads, the middle section of the main fire nozzle is provided with an air introducing hole, the rear section of the main fire nozzle is also provided with external threads, the front section and the middle section of the main fire nozzle are sleeved with a main fire air valve sleeve with inner walls provided with internal threads, the nozzle mounting seat is provided with a main fire nozzle mounting hole, and the main fire nozzle is mounted on the main fire nozzle mounting hole of the nozzle mounting seat through the external threads of the rear section of the main fire nozzle. Through rotatory main fire air door pocket, the coincidence area size of main fire air door pocket and the air vent of main fire nozzle can be adjusted, the air vent of main fire nozzle that is not covered by main fire air door pocket can introduce the air and get into in the main fire nozzle, so realize the regulation of the air vent of main fire nozzle and introduce the air volume to make combustor adaptability better, stability is higher.
The inner surface of the first lower concave part of the upper partition plate between the inner ring of the burner and the middle ring of the burner is the inner bottom surface of the central fire mixing cavity, and the inner surface of the second lower concave part of the upper partition plate between the outer ring of the burner and the middle ring of the burner is the inner bottom surface of the main fire mixing cavity, so that the integral fire cover can be better covered on the integral burner, and the main fire mixing cavity and the central fire mixing cavity have enough inner cavity space, so that air flow mixing is more uniform.
When the gas burner works, the main fire air inlet and the central fire air inlet of the nozzle mounting seat are externally connected with a gas pipeline, gas enters the main fire air inlet and the central fire air inlet through the gas pipeline, the gas entering the central fire air inlet is sprayed out from the central fire nozzle, and the gas entering the main fire air inlet is sprayed out from the main fire nozzle. The air near the air inlet end of the main fire ejector is called primary air required by the main fire ejector, the primary air required by the main fire ejector is introduced from below the furnace end partition plate, the air near the air inlet end of the central fire ejector is called primary air required by the central fire ejector, and the primary air required by the central fire ejector is introduced from a central fire primary air channel above the furnace end partition plate. After being mixed with primary air introduced by a primary air channel of the central fire above the furnace end partition plate, the fuel gas sprayed from the central fire nozzle enters the central fire ejector through an air inlet end of the central fire ejector and is sprayed from an air outlet end of the central fire ejector. After being mixed with primary air introduced from the lower part of the furnace end partition board by the main fire ejector, the fuel gas ejected from the main fire nozzle enters the main fire ejector through the air inlet end of the main fire ejector and is ejected from the air outlet end of the main fire ejector. The primary air sprayed from the air outlet end of the central flame ejector and the mixed air of the fuel gas flow into the central flame mixing cavity to be mixed, then flow into the central flame dividing cavity after being equally divided by the central flame equalizing plate, finally be sprayed from the central flame outlet hole of the integral flame cover, be ignited by the ignition needle to burn, and the burning flame after being ignited by the ignition needle is transferred to the main flame outlet hole under the action of the continuous flame hole. The mixed air flow of primary air and fuel gas sprayed from the air outlet end of the main fire ejector flows into the main fire mixing cavity to be mixed, and flows into the main fire dividing cavity after being equally divided by the main fire equalizing plate, and finally is sprayed from the main fire outlet hole of the integrated fire cover, and the mixed air flow sprayed from the main fire outlet hole starts to burn under the effect of flame transmitted to the main fire outlet hole through the continuous flame hole. The combustion-promoting air required when the mixed air is sprayed from the main fire outlet hole of the integral fire cover and the mixed air is sprayed from the central fire outlet hole of the integral fire cover during combustion is called secondary air, and the secondary air mainly comprises air at the periphery of the integral fire cover and air in two secondary air channels.
The central fire nozzle is coaxial with the air inlet end of the central fire ejector, the main fire nozzle is coaxial with the air inlet end of the main fire ejector, a gap is formed between the outer end face of the main fire nozzle and the outer end face of the air inlet end of the main fire ejector, and a gap is formed between the outer end face of the central fire nozzle and the outer end face of the air inlet end of the central fire ejector so as to facilitate the ejection of primary air into the central fire ejector and the main fire ejector.
The central fire ejector is fixed on the upper surface of the furnace end partition board, the main fire ejector is fixed on the lower surface of the furnace end partition board, the outer end face of the air inlet end of the central fire ejector and the outer end face of the air inlet end of the main fire ejector are both positioned on the inner side of the outer edge of the furnace end partition board, primary air required by the central fire ejector and primary air required by the main fire ejector are isolated under the action of the furnace end partition board, primary air required by the main fire ejector is introduced from the lower part of the furnace end partition board, primary air required by the central fire ejector is introduced from a central fire primary air channel above the furnace end partition board, and the effects of preventing robbing and interfering are achieved, so that the combustion stability is improved. The secondary air channel and the central fire primary air channel which are adjacent are separated by a vertical partition board, secondary air in the secondary air channel and primary air required by the central fire ejector are isolated, and the effects of preventing gas robbing and interference are further achieved, so that the combustion stability is improved.
Primary air and secondary air all enter the combustor from the water tray top, do not need to enter the air below the gas cooking utensils or integrated kitchen product panel, have realized the air inlet completely, do not have special requirement to the installation condition, the cupboard cabinet door need not to set up the ventilation hole when being applied to ordinary gas kitchen, also need not to set up when being applied to integrated kitchen and act as go-between operating mechanism, application scope is wider, operational reliability is high.
The air outlet end of the main fire ejector is communicated with the main fire mixing cavity, and the air outlet end of the central fire ejector is communicated with the central fire mixing cavity, so that the fuel gas and the air are mixed more uniformly, the combustion efficiency is high, the energy efficiency is high, the stability is good, and the efficient stable combustion is formed.
When the invention is applied to a common gas stove, the cabinet door of the cabinet does not need to be provided with a wind hole, so that the overall coordination of the kitchen is better improved; primary air and secondary air all enter the burner from the top of the water tray, the outer edge of the water tray is pressed on the panel of the gas cooker (or integrated cooker product), the defects of gas deposition, tempering and the like are overcome, the temperature rise in the whole gas cooker or integrated cooker is effectively reduced, the heat transfer to the inside of the product is reduced, the durability of the electric control and sealing element of the product is better, and the stability and reliability of the gas cooker or integrated cooker product are better improved. When the invention is applied to the integrated cooker, the burner adopts the upper air inlet, so that a stay wire operating mechanism is not required to be arranged on the integrated cooker, an air door is not required to be regulated by the stay wire operating mechanism, and the use is more convenient. And because the integrated kitchen lower part is generally installed strong electric structure, like other strong electric equipment such as motor, steam oven, after the combustor adopted the upper air inlet structure, also similar to ordinary gas-cooker product, better promotion the security and the stability of product.
The invention has compact structure, good stability and high combustion power, is suitable for gas kitchen ranges, integrated kitchen ranges and other gas range products, is particularly suitable for Chinese meal cooking, has high space utilization rate and high working reliability, can effectively reduce energy utilization and material consumption, and is suitable for mass production.
Drawings
Fig. 1 is an overall exploded view of the full upwind burner of example 1.
Fig. 2 is a perspective view of an integral fire cover of the full up-intake burner of example 1.
Fig. 3 is a perspective view of the complete upper air intake burner of example 1 assembled with the integral fire cover, main fire equalization plate and center fire equalization plate.
Fig. 4 is a perspective view of an integral burner of the full top-intake burner of example 1.
Fig. 5 is another perspective view of the integrated burner of the full up-draft burner of example 1 showing a main fire mixing chamber and a center fire mixing chamber.
Fig. 6 is a perspective view of the burner mount of the full top intake burner of example 1.
Fig. 7 is a perspective view of the water tray, short support posts, long support posts and nozzle mount of the full top intake burner of example 1 assembled.
Fig. 8 is a perspective view of the water tray of the full top intake burner of example 1.
Fig. 9 is another perspective view of the integral fire cover of the full top intake burner of example 1.
Fig. 10 is another perspective view of the full top entry burner of embodiment 1 showing an integral burner with two secondary air passages.
Fig. 11 is a perspective view of the main fire nozzle of the full up-intake burner of example 1.
Fig. 12 is a perspective view of the main fire nozzle and main fire damper sleeve of the full up-intake burner of example 1 assembled.
Fig. 13 is a rear view of the integrated burner of the full top-intake burner of example 1.
Fig. 14 is a perspective view of the integrated burner and water tray assembly of the full top intake burner of example 1.
In the figure: 1. an integral fire cover 2, an integral furnace end 3, a burner support, 4, a central fire outlet hole, 5, a main fire outlet hole, 6, a central fire mixing cavity, 7, a main fire mixing cavity, 8, a central fire distribution cavity, 9, a main fire distribution cavity, 10, a furnace end partition board, 11, a central fire ejector, 11A, an air inlet end of the central fire ejector, 11B, an air outlet end of the central fire ejector, 12, a main fire ejector, 12A, an air inlet end of the main fire ejector, 12B, an air outlet end of the main fire ejector, 13, a nozzle mounting seat, 14, a main fire nozzle, 15, a central fire nozzle, 16, a main fire air inlet, 17, a central fire air inlet, 18, an ignition needle fixing frame, 19, a thermocouple fixing frame, 20, an ignition needle, 21, a thermocouple, 22, a central through hole of the integral fire cover, 23, an upper partition board of the integral furnace end, 24, an integral furnace end inner ring, 25, an integral furnace end middle ring, 26, a furnace end outer ring of an integrated furnace end, 27, a central through hole of an upper partition plate, 28, an inner bottom surface of a central fire mixing cavity, 29, arc surfaces at two ends of the inner bottom surface of the central fire mixing cavity, 30, an inner bottom surface of a main fire mixing cavity, 31, arc surfaces at two ends of the inner bottom surface of the main fire mixing cavity, 32, a horizontal state part of the upper partition plate, 33, a lower concave part of the upper partition plate, 34, a secondary air passage, 35, a central fire primary air passage, 36, a vertical partition plate, 37, a fire cover body of an integrated fire cover, 38, an inner ring plate of the integrated fire cover, 39, a middle ring plate of the integrated fire cover, 40, an outer ring plate of the integrated fire cover, 41, a continuous flame hole, 42, a fire cover limit groove, 43, a limit protrusion, 44, a main fire equalizing plate, 45, a central fire equalizing hole, 46, a main fire equalizing hole, 47, a central fire equalizing hole, 48, a main fire equalizing plate mounting column, 49, the central fire equalizing plate mounting column, 50, the mounting hole of the main fire equalizing plate, 51, the mounting hole of the central fire equalizing plate, 52, the water tray, 53, the short support column mounting hole on the water tray, 54, the long support column mounting hole on the water tray, 55, the short support column mounting hole on the upper surface of the burner support, 56, the long support column mounting hole on the upper surface of the burner support, 57, the short support column, 58, the long support column, 59, the lower connecting column, 60, the nozzle mount penetrating jack on the water tray, 61, the ignition needle fixing frame penetrating jack on the water tray, 62, the thermocouple fixing frame penetrating jack on the water tray, 63, the nozzle mount penetrating jack on the burner partition, 64, the ignition needle fixing frame penetrating jack on the burner partition, 65, the thermocouple fixing frame penetrating jack on the burner partition, 67, the central fire door pocket, 68, the air introducing hole of the main fire nozzle, 69, the main fire door pocket, 70, the central fire nozzle penetrating hole on the burner partition.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples.
Referring to fig. 1-14, the full upper air intake burner comprises an integral fire cover 1, an integral fire cover 2 and a burner support 3, wherein the integral fire cover 1 is covered on the integral fire cover 2, a central fire outlet 4 and a main fire outlet 5 are arranged on the integral fire cover 1, a central fire mixing cavity 6 and a main fire mixing cavity 7 are arranged in the integral fire cover 2, the integral fire cover 2 comprises a furnace end partition board 10, a central fire ejector 11 and a main fire ejector 12, the central fire ejector 11 is fixed on the upper surface of the furnace end partition board 10, the main fire ejector 12 is fixed on the lower surface of the furnace end partition board 10, an air outlet end 11B of the central fire ejector 11 is communicated with the central fire mixing cavity 6, an air outlet end 12B of the main fire ejector 12 is communicated with the main fire mixing cavity 7, the central fire mixing cavity 6 is communicated with a central fire splitting cavity 8, and the main fire mixing cavity 7 is communicated with a main fire splitting cavity 9; the central fire distribution cavity 8 is communicated with the central fire outlet hole 4 of the integrated fire cover 1, and the main fire distribution cavity 9 is communicated with the main fire outlet hole 5 of the integrated fire cover 1; the burner support 3 is provided with a nozzle mounting seat 13, the nozzle mounting seat 13 is provided with a main fire nozzle 14 and a central fire nozzle 15, the main fire nozzle 14 is positioned below the burner partition 10, the central fire nozzle 15 is positioned above the burner partition 10, the outer end face of the main fire nozzle 14 and the outer end face of the central fire nozzle 15 are positioned at the inner side of the outer edge of the burner partition 10, the main fire nozzle 14 is coaxial with the air inlet end 12A of the main fire ejector 12, the central fire nozzle 15 is coaxial with the air inlet end 11A of the central fire ejector 11, the outer end face of the air inlet end 11A of the central fire ejector 11 and the outer end face of the air inlet end 12A of the main fire ejector 12 are positioned at the inner side of the outer edge of the burner partition 10, a gap exists between the outer end face of the main fire nozzle 14 and the outer end face of the air inlet end 12A of the main fire ejector 12, a gap exists between the outer end face of the central fire nozzle 15 and the outer end face of the air inlet end 11A of the central fire ejector 11, a main fire air inlet 16 and a central fire air inlet 17 are further arranged on the nozzle mounting seat 13, the main fire air inlet 16 of the nozzle mounting seat 13 is communicated with the main fire nozzle 14 through a main fire air flow channel (not shown in the figure) in the nozzle mounting seat 13, the central fire air inlet 17 of the nozzle mounting seat 13 is communicated with the central fire nozzle 15 through a central fire air flow channel (not shown in the figure) in the nozzle mounting seat 13, and the main fire air inlet 16 and the central fire air inlet 17 of the nozzle mounting seat 13 are both externally connected with a gas pipeline (not shown in the figure); the burner support 3 is provided with an ignition needle fixing frame 18 and a thermocouple fixing frame 19, an ignition needle mounting hole (not shown in the figure) is formed in the ignition needle fixing frame 18, a thermocouple mounting hole (not shown in the figure) is formed in the thermocouple fixing frame 19, a thermocouple 21 is arranged in the thermocouple mounting hole, and an ignition needle 20 is arranged in the ignition needle mounting hole; the center of the integral fire cover 1 is provided with a through hole 22, and the upper end of the ignition needle 20 and the upper end of the thermocouple 21 extend into the central through hole 22 of the integral fire cover 1.
The functions of the ignition needle 20 and the thermocouple 21 are the same as those of the existing burner, so that the functions of the ignition needle and the thermocouple are not repeated here.
The integrated burner 2 further comprises an upper partition plate 23, a burner inner ring 24, a burner outer ring 26 and a burner middle ring 25, wherein the upper partition plate 23 is arranged above the burner partition plate 10, a through hole 27 is formed in the center of the upper partition plate 23, the central through hole 27 of the upper partition plate 23 is communicated with the central through hole 22 of the integrated burner cover 1, the burner inner ring 24 is fixedly connected with the inner edge of the upper partition plate 23, the burner outer ring 26 is fixedly connected with the outer edge of the upper partition plate 23, the burner inner ring 24, the burner middle ring 25 and the burner outer ring 26 are sequentially arranged from inside to outside, the burner inner ring 24, the burner middle ring 25 and the burner outer ring 26 are concentric, and the lower surface of the burner middle ring 25 is fixedly connected with the upper surface of the upper partition plate 23;
A part of the upper partition plate 23 positioned between the furnace end inner ring 24 and the furnace end middle ring 25 is in a horizontal state, the other part of the upper partition plate 23 positioned between the furnace end inner ring 24 and the furnace end middle ring 25 is concave to form a first concave part of the upper partition plate 23, the inner surface of the first concave part of the upper partition plate 23 positioned between the furnace end inner ring 24 and the furnace end middle ring 25 is an inner bottom surface 28 of the central fire mixing cavity 6, and the lowest point of the inner bottom surface 28 of the central fire mixing cavity 6 is not higher than the lowest point of the outer end surface of the air outlet end 11B of the central fire ejector 11 so as to be beneficial to enabling the air outlet end 11B of the central fire ejector 11 to be communicated with the central fire mixing cavity 6; both ends of the inner bottom surface 28 of the central fire mixing cavity 6 are arc-shaped surfaces 29, and the arc-shaped surfaces 29 at both ends of the inner bottom surface 28 of the central fire mixing cavity 6 are connected with the upper surface of the upper partition plate part which is positioned between the furnace end inner ring 24 and the furnace end middle ring 25 and is in a horizontal state; the outer edge of the inner bottom surface 28 of the central fire mixing cavity 6 is in seamless connection with the inner wall of the furnace end middle ring 25, the inner edge of the inner bottom surface 28 of the central fire mixing cavity 6 is in seamless connection with the outer wall of the furnace end inner ring 24, and the inner wall of the furnace end middle ring 25 and the outer wall of the furnace end inner ring 24 form two inner side surfaces of the central fire mixing cavity 6;
A part of the upper partition plate 23 between the burner outer ring 26 and the burner middle ring 25 is in a horizontal state, the other part of the upper partition plate 23 between the burner outer ring 26 and the burner middle ring 25 is concave to form a second concave part of the upper partition plate 23, the inner surface of the second concave part of the upper partition plate 23 between the burner outer ring 26 and the burner middle ring 25 is an inner bottom surface 30 of the main fire mixing cavity 7, the inner bottom surface 30 of the main fire mixing cavity 7 extends out of the lower surface of the burner partition plate 10, and the lowest point of the inner bottom surface 30 of the main fire mixing cavity 7 is not higher than the lowest point of the outer end surface of the air outlet end 12B of the main fire ejector 12, so that the air outlet end 12B of the main fire ejector 12 is communicated with the main fire mixing cavity 7; both ends of the inner bottom surface 30 of the main fire mixing cavity 7 are arc-shaped surfaces 31, and the arc-shaped surfaces 31 at both ends of the inner bottom surface 30 of the main fire mixing cavity 7 are connected with the upper surface of the upper partition plate 23 which is positioned between the burner outer ring 26 and the burner middle ring 25 and is in a horizontal state; the outer edge of the inner bottom surface 30 of the main fire mixing cavity 7 is in seamless connection with the inner wall of the burner outer ring 26, the inner edge of the inner bottom surface 30 of the main fire mixing cavity 7 is in seamless connection with the outer wall of the burner middle ring 25, and the inner wall of the burner outer ring 26 and the outer wall of the burner middle ring 25 form two inner side surfaces of the main fire mixing cavity 7.
The upper partition plate part in a horizontal state between the burner inner ring 24 and the burner middle ring 25 and the upper partition plate part in a horizontal state between the burner outer ring 26 and the burner middle ring 25 form a horizontal state part 32 of the upper partition plate together; the first lower recess of the upper partition between the burner inner ring 24 and the burner middle ring 25 and the second lower recess of the upper partition between the burner outer ring 26 and the burner middle ring 25 together form the lower recess 33 of the upper partition.
Two secondary air channels 34 and a central fire primary air channel 35 are arranged in the integral furnace end 2; two vertical partition plates 36 are arranged between the horizontal state part 32 of the upper partition plate 23 and the furnace end partition plate 10, the top surfaces of the two vertical partition plates 36 are fixedly connected with the lower surface of the horizontal state part 32 of the upper partition plate 23 of the integrated furnace end 2, the bottom surfaces of the two vertical partition plates 36 are fixedly connected with the upper surface of the furnace end partition plate 10 of the integrated furnace end 2, the inner end surfaces of the two vertical partition plates 36 are respectively fixedly connected with the outer walls of two sides of the air inlet end 11A of the central fire ejector 11, and the outer end surfaces of the two vertical partition plates 36 extend to the position right below the furnace end outer ring 26. The cavity enclosed by the two vertical partition plates 36, the horizontal state part 32 of the upper partition plate 23 and the furnace end partition plate 10 is a central fire primary air channel 35, the inner end of the central fire primary air channel 35 is communicated with the air inlet end 11A of the central fire ejector 11, and the outer end of the central fire primary air channel 35 is communicated with the atmosphere. The cavity surrounded by one vertical partition plate 36, the lower concave part 33 of the upper partition plate 23, the horizontal state part 32 of the upper partition plate 23 and the burner partition plate 10 is one secondary air channel 34, and the cavity surrounded by the other vertical partition plate 36, the lower concave part 33 of the upper partition plate 23, the horizontal state part 32 of the upper partition plate 23 and the burner partition plate 10 is the other secondary air channel 34; the central primary air passage 35 is located between two secondary air passages 34, adjacent secondary air passages 34 being separated from the central primary air passage 35 by respective vertical partitions 36. The outer ends of the two secondary air passages 34 are each in communication with the atmosphere, and the inner ends of the two secondary air passages 34 are each in communication with the center through hole 27 of the upper partition plate 23.
The integrated fire cover 1 comprises a fire cover body 37, an outer ring plate 40, an inner ring plate 38 and an intermediate ring plate 39, wherein a through hole is formed in the center of the fire cover body 37, the central through hole of the fire cover body 37 is the central through hole 22 of the integrated fire cover 1, the outer ring plate 40 of the integrated fire cover 1 is fixedly connected with the outer edge of the fire cover body 37, the inner ring plate 38 of the integrated fire cover 1 is fixedly connected with the inner edge of the fire cover body 37, and the intermediate ring plate 39 of the integrated fire cover 1 is fixed on the lower surface of the fire cover body 37.
In this embodiment, the central fire hole 4 is provided in the fire cover body 37 between the inner ring plate 38 and the middle ring plate 39. In actual manufacture, the central fire hole 4 can also be arranged on the inner ring plate 38; or the inner ring plate 38 and the fire cover body 37 between the inner ring plate 38 and the middle ring plate 39 are respectively provided with a central fire hole 4. The opening position of the central fire hole 4 can be specifically selected according to actual needs.
In this embodiment, the main fire outlet holes 5 are provided in the outer ring plate 40 of the integrated fire cover 1. In actual manufacturing, the main fire outlet hole 5 can also be arranged on the fire cover body 37 between the outer ring plate 40 and the middle ring plate 39 of the integrated fire cover 1; or the main fire outlet holes 5 can be arranged on the fire cover body 37 between the outer ring plate 40 and the middle ring plate 39 of the integral fire cover 1 and on the outer ring plate 40 of the integral fire cover 1. The opening position of the main fire outlet hole can be specifically selected according to actual needs.
The central axis of the central fire hole 4 obliquely upwards intersects with the central axis of the integral fire cover 1, so that the central fire hole 4 can spray mixed air flow towards the central axis of the burner. When the burner is in operation, the central flame generated by the mixed air flow sprayed out from the central flame outlet hole 4 is concentrated to the center of the bottom of the cooker, and then diffuses from the center of the bottom of the cooker to the periphery of the cooker, so that the heating of the center of the bottom of the cooker is facilitated, and meanwhile, the contact path between the flame and the bottom of the cooker is prolonged due to the outward diffusion of the flame from the center, and the heat efficiency is effectively improved.
The outer ring plate 40 of the integral fire cover 1 is matched and covered on the outer ring 26 of the integral furnace end 2, the middle ring plate 39 of the integral fire cover 1 is matched and covered on the middle ring 25 of the integral furnace end 2, the inner ring plate 38 of the integral fire cover 1 is matched and covered on the inner ring 24 of the integral furnace end 2, the outer ring plate 40 of the integral fire cover 1, the fire cover body 37 of the integral fire cover 1, the middle ring plate 39 of the integral fire cover 1, the outer ring 26 of the integral furnace end 2, the upper partition plate part which is positioned between the outer ring 26 of the furnace end and the middle ring 25 of the furnace end and the cavity surrounded by the middle ring 25 of the integral furnace end 2 are the main fire split fire cavity 9; the inner ring plate of the integral fire cover, the fire cover body 37 of the integral fire cover 1, the middle ring plate 39 of the integral fire cover 1, the inner ring 24 of the integral burner 2, the upper partition plate part which is positioned between the inner ring 24 of the burner and the middle ring 25 of the burner and is in a horizontal state, and the cavity surrounded by the middle ring 25 of the burner of the integral burner 2 are taken as a central fire distribution cavity 8.
The flame cover body 37 of the integrated flame cover 1 is provided with a flame connecting hole 41, the flame connecting hole 41 penetrates through the upper surface and the lower surface of the flame cover body 37, the outer end of the flame connecting hole 41 is connected with the main flame outlet 5 of the integrated flame cover 1, and the inner end of the flame connecting hole 41 extends to the outer periphery side of the central flame outlet 4 of the integrated flame cover 1.
The central fire hole 4 is arranged on the fire cover body 37 between the outer ring plate 40 and the middle ring plate 39, the main fire hole 5 is arranged on the outer ring plate 40 of the integrated fire cover 1 (in actual manufacturing, the main fire hole 5 can also be arranged on the fire cover body 37 between the outer ring plate 40 and the middle ring plate 39 of the integrated fire cover 1, or the fire cover body 37 between the outer ring plate 40 and the middle ring plate 39 of the integrated fire cover 1 and the outer ring plate 40 of the integrated fire cover 1 can be provided with the main fire hole 5, flame is transmitted between the main fire hole 5 and the central fire hole 4 through the continuous flame hole 41, and the flame of the main fire hole 5 and the flame of the central fire hole 4 are not intersected, so that stable combustion is beneficial to improving power and energy efficiency.
The complete upper air intake combustor further comprises a main fire equalizing plate 44 and a central fire equalizing plate 45, wherein main fire equalizing holes 46 are formed in the main fire equalizing plate 44, central fire equalizing holes 47 are formed in the central fire equalizing plate 45, main fire equalizing plate mounting columns 48 and central fire equalizing plate mounting columns 49 are fixed on the lower surface of the fire cover body 37 of the integrated fire cover 1, the main fire equalizing plate 44 is fixed on the main fire equalizing plate mounting columns 48, and the central fire equalizing plate 46 is fixed on the central fire equalizing plate mounting columns 49; a main fire equalization plate 44 is located above the main fire mixing chamber 7 and a center fire equalization plate 45 is located above the center fire mixing chamber 6.
The lower ends of the main fire equalizing plate mounting posts 48 and the lower ends of the central fire equalizing plate mounting posts 49 are provided with mounting holes (not shown in the figure), the main fire equalizing plate 44 is provided with mounting holes 50, and the central fire equalizing plate 45 is also provided with mounting holes 51; the main fire equalization plate 44 and the main fire equalization plate mounting post 48 can be fixedly connected by connecting pieces (not shown in the figure) arranged in the lower end mounting holes of the main fire equalization plate mounting post 48 and in the mounting holes 50 of the main fire equalization plate 44; the fixation of the center fire equalization plate 45 to the center fire equalization plate mounting post 49 is accomplished by connectors (not shown) placed within the lower mounting holes of the center fire equalization plate mounting post 49 and within the mounting holes 51 of the center fire equalization plate 45. The connection member may be a screw or the like. The fastening manner of the central fire equalization plate 45 and the central fire equalization plate mounting post 49, and the fastening manner of the main fire equalization plate 44 and the main fire equalization plate mounting post 48 may also be other existing mature manners, such as riveting, etc., which will not be described in detail herein.
The section of the main fire mixing cavity 7 is in an inverted trapezoid shape, so that most of air flow flowing into the main fire mixing cavity 7 from the air outlet end 12B of the main fire ejector 12 can be collected at the main fire equalizing plate 44, and after the main fire mixing cavity 7 with the inverted trapezoid section is matched with the main fire equalizing plate 44, mixed air flow in the main fire mixing cavity 7 can be better distributed into the integral cavity of the main fire distributing cavity 9. The cross section of the central fire mixing cavity 6 is in an inverted trapezoid shape, so that most of air flow flowing into the central fire mixing cavity 6 from the air outlet end 11B of the central fire ejector 11 can be collected at the central fire equalizing plate 45, and after the central fire mixing cavity 6 with the inverted trapezoid cross section is matched with the central fire equalizing plate 45, mixed air flow in the central fire mixing cavity 6 can be better distributed into the integral cavity of the central fire distributing cavity 8.
The thickness of the burner partition 10 gradually decreases from the center of the burner partition 10 to the outer edge of the burner partition 10 to facilitate the outflow of the liquid falling onto the burner partition 10 through the secondary air passage 34.
A water tray 52 is arranged between the integral burner 2 and the burner support 3. The water tray 52 is provided with a short support column mounting hole 53 and a long support column mounting hole 54, the upper surface of the burner support 3 is also provided with a short support column mounting hole 55 and a long support column mounting hole 56, the lower end of the short support column 57 penetrates through the short support column mounting hole 53 on the water tray 52 and then stretches into the short support column mounting hole 55 on the upper surface of the burner support 3, and the lower end of the long support column 58 penetrates through the long support column mounting hole 54 on the water tray 52 and then stretches into the long support column mounting hole 56 on the upper surface of the burner support 3; the top surfaces of the short support columns 57 and the long support columns 58 are in contact with the lower surface of the integrated burner 1, so that the number of mounting screws on the surface of the water tray 52 is reduced, cleaning is facilitated, and the overall appearance effect is improved.
The outer end surface of the main fire nozzle 14 and the main fire ejector 12 are both positioned inside the outer edge of the burner partition 10, so that liquid which is erroneously operated or dropped onto the burner partition 10 can be branched to the water tray 52, to reduce interference to combustion stability.
The lower surface of the burner support 3 is fixed with a lower connecting column 59, a connecting hole (not shown in the figure) is formed at the lower end of the lower connecting column 59, a connecting hole (not shown in the figure) is also formed on a chassis (not shown in the figure) of a gas cooker or an integrated cooker product (not shown in the figure), and the connecting hole at the lower end of the lower connecting column 59 is connected with the connecting hole on the chassis of the gas cooker or the integrated cooker product through a connecting piece (not shown in the figure). The connection may be a bolt or the like.
The water tray 52 is provided with a nozzle mounting seat penetrating hole 60, an ignition needle fixing frame penetrating hole 61 and a thermocouple fixing frame penetrating hole 62, the burner partition plate 10 is also provided with a nozzle mounting seat penetrating hole 63, and the nozzle mounting seat 13 on the burner support 3 sequentially penetrates through the nozzle mounting seat penetrating hole 60 of the water tray 52 and the nozzle mounting seat penetrating hole 63 of the burner partition plate 10. The burner baffle plate 10 is also provided with an ignition needle fixing frame penetrating hole 64 and a thermocouple fixing frame penetrating hole 65; the upper end of the ignition needle fixing frame 18 sequentially passes through the ignition needle fixing frame penetrating hole 61 of the water disc 52 and the ignition needle fixing frame penetrating hole 64 of the burner partition board 10 from bottom to top, and the upper end of the thermocouple fixing frame 19 sequentially passes through the thermocouple fixing frame penetrating hole 62 of the water disc 52 and the thermocouple fixing frame penetrating hole 65 of the burner partition board 10 from bottom to top, so that the circumferential positioning of the integrated burner 2 is further realized.
The burner partition plate 10 is also provided with a central fire nozzle through hole 70, and the central fire nozzle through hole 70 on the burner partition plate 10 is communicated with a nozzle mounting seat penetrating hole 63 on the burner partition plate 10 so as to facilitate the central fire nozzle 15 and the nozzle mounting seat 13 provided with the central fire nozzle 15 to penetrate through the burner partition plate 10 together. The central fire nozzle 15 is located above the main fire nozzle 14.
The main fire ejector 12 is transversely arranged on the upper surface of the furnace end partition board 10, the central fire ejector 11 is transversely arranged on the lower surface of the furnace end partition board 10, so that the lengths of the main fire ejector 12 and the central fire ejector 11 are prolonged to the greatest extent while the diameter of a burner is reduced, the ejection coefficient is improved, the high-power combustion requirement is met, and the problems of red flame, yellow flame and the like cannot occur in long-time combustion.
The front section of the central fire nozzle 15 is provided with external threads, the middle section of the central fire nozzle 15 is provided with an air introducing hole (not shown in the figure), the rear section of the central fire nozzle 15 is also provided with external threads, the front section and the middle section of the central fire nozzle 15 are sleeved with a central fire air door sleeve 67 with internal threads on the inner wall, the nozzle mounting seat 13 is provided with a central fire nozzle mounting hole (not shown in the figure), and the central fire nozzle 15 is mounted on the central fire nozzle mounting hole of the nozzle mounting seat 13 through the external threads of the rear section of the central fire nozzle 15. By rotating the central fire air door sleeve 67, the overlapping area of the central fire air door sleeve 67 and the air entraining holes of the central fire nozzle 15 can be adjusted, and the air entraining holes of the central fire nozzle 15 which are not covered by the central fire air door sleeve 67 can introduce air into the central fire nozzle 15, so that the adjustment of the air introducing amount of the air entraining holes of the central fire nozzle 15 is realized, the adaptability of the burner is better, and the stability is higher.
The main fire nozzle 14 has the same structure as the center fire nozzle 15. Similarly, the front section of the main fire nozzle 14 is provided with external threads, the middle section of the main fire nozzle 14 is provided with an air introducing hole 68, the rear section of the main fire nozzle 14 is also provided with external threads, the front section and the middle section of the main fire nozzle 14 are sleeved with a main fire air door sleeve 69 with internal threads on the inner wall, a main fire nozzle mounting hole (not shown in the figure) is formed in the nozzle mounting seat 13, and the main fire nozzle 14 is mounted on the main fire nozzle mounting hole of the nozzle mounting seat 13 through the external threads of the rear section of the main fire nozzle 14. By rotating the main fire damper sleeve 69, the overlapping area of the main fire damper sleeve 69 and the air entraining holes 68 of the main fire nozzle 14 can be adjusted, and the air entraining holes 68 of the main fire nozzle 14 which are not covered by the main fire damper sleeve 69 can introduce air into the main fire nozzle 14, so that the air amount introduced into the air entraining holes 68 of the main fire nozzle 14 can be adjusted, the burner has better adaptability and higher stability.
The inner surface of the first lower concave part of the upper partition plate 23 between the burner inner ring 24 and the burner middle ring 25 is the inner bottom surface 28 of the central fire mixing cavity 6, and the inner surface of the second lower concave part of the upper partition plate 23 between the burner outer ring 26 and the burner middle ring 25 is the inner bottom surface 30 of the main fire mixing cavity 7, so that the integral fire cover 1 can be better covered on the integral burner 2, and the main fire mixing cavity 7 and the central fire mixing cavity 6 have enough inner cavity space so that air flow mixing is more uniform.
In operation, the main fire air inlet 16 and the central fire air inlet 17 of the nozzle mounting seat 13 are externally connected with a gas pipeline (not shown in the figure), gas enters the main fire air inlet 16 and the central fire air inlet 17 through the gas pipeline, the gas entering the central fire air inlet 16 is sprayed out from the central fire nozzle 15, and the gas entering the main fire air inlet 17 is sprayed out from the main fire nozzle 14. The air near the air inlet end 12A of the main fire ejector 12 is referred to as primary air required for the main fire ejector 12, the primary air required for the main fire ejector 12 is introduced from below the burner partition 10, the air near the air inlet end 11A of the center fire ejector 11 is referred to as primary air required for the center fire ejector 11, and the primary air required for the center fire ejector 11 is introduced from the center fire primary air passage 35 above the burner partition 10. After being mixed with primary air introduced from a primary air channel 35 of the central fire above the burner partition 10 by the central fire injector 11, the fuel gas ejected from the central fire nozzle 15 enters the central fire injector 11 through an air inlet end 11A of the central fire injector 11 and is ejected from an air outlet end 11B of the central fire injector 11. After being mixed with primary air introduced from the lower part of the burner partition plate 10 by the main fire injector 12, the fuel gas ejected from the main fire nozzle 14 enters the main fire injector 12 through the air inlet end 12A of the main fire injector 12 and is ejected from the air outlet end 12B of the main fire injector 12. The mixed air flow of primary air and fuel gas sprayed from the air outlet end 11B of the central flame ejector 11 flows into the central flame mixing cavity 6 for mixing, flows into the central flame dividing cavity 8 after being equally divided by the central flame equalizing plate 45, finally is sprayed from the central flame outlet hole 4 of the integrated flame cover 1, is ignited by the ignition needle 20 for combustion, and flame burnt after being ignited by the ignition needle 20 is transmitted to the main flame outlet hole 5 under the action of the continuous flame hole 41. The mixed air of primary air and fuel gas sprayed from the air outlet end 12B of the main fire ejector 12 flows into the main fire mixing cavity 7 for mixing, and flows into the main fire distributing cavity 9 after being equally divided by the main fire equalizing plate 44, and finally is sprayed from the main fire outlet hole 5 of the integrated fire cover 1, and the mixed air sprayed from the main fire outlet hole 5 starts to burn under the effect of flame transferred to the main fire outlet hole 5 through the continuous flame hole 41. The combustion-promoting air required for the combustion of the mixed air ejected from the main fire outlet 5 of the integrated fire cover 1 and the mixed air ejected from the center fire outlet 4 of the integrated fire cover 1 is called secondary air, which mainly includes air at the outer periphery of the integrated fire cover 1 and air in the two secondary air passages 34.
The central fire nozzle 15 is coaxial with the air inlet end 11A of the central fire ejector 11, the main fire nozzle 14 is coaxial with the air inlet end 12A of the main fire ejector 12, a gap exists between the outer end face of the main fire nozzle 14 and the outer end face of the air inlet end 12A of the main fire ejector 12, and a gap exists between the outer end face of the central fire nozzle 15 and the outer end face of the air inlet end 11A of the central fire ejector 11 so as to facilitate the ejection of primary air into the central fire ejector 11 and the main fire ejector 12.
The central fire ejector 11 is fixed on the upper surface of the furnace end partition board 10, the main fire ejector 12 is fixed on the lower surface of the furnace end partition board 10, the outer end face of the air inlet end 11A of the central fire ejector 11 and the outer end face of the air inlet end 12A of the main fire ejector 12 are both positioned on the inner side of the outer edge of the furnace end partition board 10, under the action of the furnace end partition board 10, primary air required by the central fire ejector 11 and primary air required by the main fire ejector 12 are isolated, primary air required by the main fire ejector 12 is introduced from the lower part of the furnace end partition board 10, primary air required by the central fire ejector 11 is introduced from a primary air channel 35 of central fire above the furnace end partition board 10, and the effects of preventing air robbing and interference are achieved so as to improve the stability of combustion. The secondary air channel 34 and the central fire primary air channel 35 which are adjacent are separated by a vertical partition plate 36, so that secondary air in the secondary air channel 34 is isolated from primary air required by the central fire ejector 11, and the effects of preventing gas robbing and interference are further achieved, so that the combustion stability is improved.

Claims (6)

1.完全上进风燃烧器，其特征在于，包括一体火盖、一体炉头和燃烧器支座，一体火盖盖合于一体炉头上，一体火盖上设有中心火出火孔和主火出火孔，一体炉头内设有中心火混合腔、主火混合腔，一体炉头包括炉头隔板、中心火引射器和主火引射器，中心火引射器固定于炉头隔板的上表面，主火引射器固定于炉头隔板的下表面，中心火引射器的出气端与中心火混合腔连通，主火引射器的出气端与主火混合腔连通，中心火混合腔与中心火分火腔连通，主火混合腔与主火分火腔连通；中心火分火腔与一体火盖的中心火出火孔连通，主火分火腔与一体火盖的主火出火孔连通；燃烧器支座上设有喷嘴安装座，喷嘴安装座上安装有主火喷嘴和中心火喷嘴，主火喷嘴位于炉头隔板的下方，中心火喷嘴位于炉头隔板的上方，主火喷嘴的外端面和中心火喷嘴的外端面均位于炉头隔板的外缘内侧，主火喷嘴与主火引射器的进气端同轴，中心火喷嘴与中心火引射器的进气端同轴，中心火引射器的进气端的外端面和主火引射器的进气端的外端面均位于炉头隔板的外缘内侧，主火喷嘴的外端面与主火引射器的进气端的外端面之间存在空隙，中心火喷嘴的外端面与中心火引射器的进气端的外端面之间存在空隙，喷嘴安装座上还设有主火进气口和与中心火进气口，喷嘴安装座的主火进气口通过喷嘴安装座内的主火气流通道与主火喷嘴连通，喷嘴安装座的中心火进气口通过喷嘴安装座内的中心火气流通道与中心火喷嘴连通，喷嘴安装座的主火进气口和中心火进气口均外接燃气管道；燃烧器支座上设有点火针固定架和热电偶固定架，点火针固定架上开有点火针安装孔，热电偶固定架上开有热电偶安装孔，热电偶装于热电偶安装孔中，点火针装于点火针安装孔中；一体火盖中心开有通孔，点火针的上端和热电偶的上端均伸入一体火盖的中心通孔内；1. A completely upper air inlet burner, characterized in that it comprises an integrated fire cover, an integrated burner head and a burner support, the integrated fire cover is covered on the integrated burner head, the integrated fire cover is provided with a central fire outlet hole and a main fire outlet hole, the integrated burner head is provided with a central fire mixing chamber and a main fire mixing chamber, the integrated burner head comprises a burner head partition, a central fire ejector and a main fire ejector, the central fire ejector is fixed to the upper surface of the burner head partition, the main fire ejector is fixed to the lower surface of the burner head partition, the gas outlet end of the central fire ejector is connected to the central fire mixing chamber, and the gas outlet end of the main fire ejector is connected to the main fire mixing chamber The central fire mixing chamber is connected with the central fire fire-dividing chamber, and the main fire mixing chamber is connected with the main fire fire-dividing chamber; the central fire fire-dividing chamber is connected with the central fire outlet hole of the integrated fire cover, and the main fire fire-dividing chamber is connected with the main fire outlet hole of the integrated fire cover; a nozzle mounting seat is provided on the burner support, and a main fire nozzle and a central fire nozzle are installed on the nozzle mounting seat, the main fire nozzle is located below the burner head partition, and the central fire nozzle is located above the burner head partition, the outer end faces of the main fire nozzle and the outer end faces of the central fire nozzle are both located on the inner side of the outer edge of the burner head partition, and the main fire nozzle is connected to the air intake of the main fire injector The ends are coaxial, the center fire nozzle is coaxial with the air inlet end of the center fire ejector, the outer end face of the air inlet end of the center fire ejector and the outer end face of the air inlet end of the main fire ejector are both located on the inner side of the outer edge of the burner head partition, there is a gap between the outer end face of the main fire nozzle and the outer end face of the air inlet end of the main fire ejector, there is a gap between the outer end face of the center fire nozzle and the outer end face of the air inlet end of the center fire ejector, a main fire air inlet and a center fire air inlet are also provided on the nozzle mounting seat, the main fire air inlet of the nozzle mounting seat is connected with the main fire nozzle through the main fire air flow channel in the nozzle mounting seat, The center fire air inlet of the nozzle mounting seat is connected with the center fire nozzle through the center fire air flow channel in the nozzle mounting seat, and the main fire air inlet and the center fire air inlet of the nozzle mounting seat are both externally connected to the gas pipeline; an ignition needle fixing bracket and a thermocouple fixing bracket are provided on the burner support, an ignition needle mounting hole is provided on the ignition needle fixing bracket, a thermocouple mounting hole is provided on the thermocouple fixing bracket, the thermocouple is installed in the thermocouple mounting hole, and the ignition needle is installed in the ignition needle mounting hole; a through hole is provided in the center of the integrated fire cover, and the upper ends of the ignition needle and the upper ends of the thermocouple both extend into the center through hole of the integrated fire cover; 一体炉头还包括上隔板、炉头内环、炉头外环、炉头中间环，上隔板设于炉头隔板上方，上隔板的中心设有通孔，上隔板的中心通孔与一体火盖的中心通孔连通，炉头内环与上隔板的内缘固连，炉头外环与上隔板的外缘固连，炉头内环、炉头中间环、炉头外环依次由内向外布置，炉头内环、炉头中间环、炉头外环同中心轴，炉头中间环的下表面与上隔板的上表面固连；The integrated burner head also includes an upper baffle, a burner head inner ring, a burner head outer ring, and a burner head middle ring. The upper baffle is arranged above the burner head baffle. A through hole is arranged at the center of the upper baffle. The central through hole of the upper baffle is connected to the central through hole of the integrated fire cover. The burner head inner ring is fixedly connected to the inner edge of the upper baffle. The burner head outer ring is fixedly connected to the outer edge of the upper baffle. The burner head inner ring, the burner head middle ring, and the burner head outer ring are arranged from inside to outside in sequence. The burner head inner ring, the burner head middle ring, and the burner head outer ring are coaxial. The lower surface of the burner head middle ring is fixedly connected to the upper surface of the upper baffle. 位于炉头内环、炉头中间环之间的上隔板的一部分呈水平状态，位于炉头内环、炉头中间环之间的上隔板的另一部分下凹形成上隔板的第一下凹部，位于炉头内环、炉头中间环之间的上隔板的第一下凹部的内表面为中心火混合腔的内底面，中心火混合腔的内底面的最低点不高于中心火引射器的出气端的外端面的最低点；中心火混合腔的内底面的两端均为弧形面，中心火混合腔的内底面两端的弧形面均连接位于炉头内环、炉头中间环之间的呈水平状态的上隔板部分的上表面；中心火混合腔的内底面的外缘与炉头中间环的内壁无缝连接，中心火混合腔的内底面的内缘与炉头内环的外壁无缝连接，炉头中间环的内壁和炉头内环的外壁构成中心火混合腔的两内侧面；A portion of the upper baffle between the burner inner ring and the burner middle ring is in a horizontal state, and another portion of the upper baffle between the burner inner ring and the burner middle ring is concave to form a first concave portion of the upper baffle, and the inner surface of the first concave portion of the upper baffle between the burner inner ring and the burner middle ring is the inner bottom surface of the center fire mixing chamber, and the lowest point of the inner bottom surface of the center fire mixing chamber is not higher than the lowest point of the outer end surface of the gas outlet end of the center fire ejector; both ends of the inner bottom surface of the center fire mixing chamber are arc-shaped surfaces, and the arc-shaped surfaces at both ends of the inner bottom surface of the center fire mixing chamber are connected to the upper surface of the upper baffle portion in a horizontal state between the burner inner ring and the burner middle ring; the outer edge of the inner bottom surface of the center fire mixing chamber is seamlessly connected to the inner wall of the burner middle ring, the inner edge of the inner bottom surface of the center fire mixing chamber is seamlessly connected to the outer wall of the burner inner ring, and the inner wall of the burner middle ring and the outer wall of the burner inner ring constitute the two inner side surfaces of the center fire mixing chamber; 位于炉头外环、炉头中间环之间的上隔板的一部分呈水平状态，位于炉头外环、炉头中间环之间的上隔板的另一部分下凹形成上隔板的第二下凹部，位于炉头外环、炉头中间环之间的上隔板的第二下凹部的内表面为主火混合腔的内底面，主火混合腔的内底面伸出炉头隔板的下表面且主火混合腔的内底面的最低点不高于主火引射器的出气端的外端面的最低点；主火混合腔的内底面的两端均为弧形面，主火混合腔的内底面两端的弧形面均连接位于炉头外环、炉头中间环之间的呈水平状态的上隔板部分的上表面；主火混合腔的内底面的外缘与炉头外环的内壁无缝连接，主火混合腔的内底面的内缘与炉头中间环的外壁无缝连接，炉头外环的内壁和炉头中间环的外壁构成主火混合腔的两内侧面；A portion of the upper baffle between the burner outer ring and the burner middle ring is in a horizontal state, and another portion of the upper baffle between the burner outer ring and the burner middle ring is concave to form a second concave portion of the upper baffle, and the inner surface of the second concave portion of the upper baffle between the burner outer ring and the burner middle ring is the inner bottom surface of the main fire mixing chamber, the inner bottom surface of the main fire mixing chamber extends out of the lower surface of the burner baffle, and the lowest point of the inner bottom surface of the main fire mixing chamber is not higher than the lowest point of the outer end surface of the main fire ejector; both ends of the inner bottom surface of the main fire mixing chamber are arc-shaped surfaces, and the arc-shaped surfaces at both ends of the inner bottom surface of the main fire mixing chamber are connected to the upper surface of the upper baffle portion in a horizontal state between the burner outer ring and the burner middle ring; the outer edge of the inner bottom surface of the main fire mixing chamber is seamlessly connected to the inner wall of the burner outer ring, the inner edge of the inner bottom surface of the main fire mixing chamber is seamlessly connected to the outer wall of the burner middle ring, and the inner wall of the burner outer ring and the outer wall of the burner middle ring constitute the two inner side surfaces of the main fire mixing chamber; 位于炉头内环、炉头中间环之间的呈水平状态的上隔板部分，和位于炉头外环、炉头中间环之间的呈水平状态的上隔板部分，共同构成上隔板的水平状态部；位于炉头内环、炉头中间环之间的上隔板的第一下凹部，位于炉头外环、炉头中间环之间的上隔板的第二下凹部，共同构成上隔板的下凹部；The upper baffle portion located between the burner inner ring and the burner middle ring and the upper baffle portion located between the burner outer ring and the burner middle ring together constitute the horizontal portion of the upper baffle; the first lower concave portion of the upper baffle located between the burner inner ring and the burner middle ring and the second lower concave portion of the upper baffle located between the burner outer ring and the burner middle ring together constitute the lower concave portion of the upper baffle; 一体火盖包括火盖本体、外环板、内环板和中环板，火盖本体的中心开有通孔，火盖本体的中心通孔即为一体火盖的中心通孔，一体火盖的外环板与火盖本体的外缘固连，一体火盖的内环板与火盖本体的内缘固连，一体火盖的中环板固定于火盖本体下表面；The integrated fire cover comprises a fire cover body, an outer ring plate, an inner ring plate and a middle ring plate. A through hole is opened in the center of the fire cover body. The central through hole of the fire cover body is the central through hole of the integrated fire cover. The outer ring plate of the integrated fire cover is fixedly connected to the outer edge of the fire cover body. The inner ring plate of the integrated fire cover is fixedly connected to the inner edge of the fire cover body. The middle ring plate of the integrated fire cover is fixed to the lower surface of the fire cover body. 中心火出火孔设于位于内环板和中环板之间的火盖本体上；或者，中心火出火孔设于内环板上；或者，内环板上，以及内环板和中环板之间的火盖本体上，均设有中心火出火孔；The central fire outlet hole is arranged on the fire cover body between the inner ring plate and the middle ring plate; or, the central fire outlet hole is arranged on the inner ring plate; or, the central fire outlet hole is arranged on the inner ring plate and on the fire cover body between the inner ring plate and the middle ring plate; 主火出火孔设于一体火盖的外环板和中环板之间的火盖本体上；或者，主火出火孔设于外环板上；或者，外环板上，以及外环板和中环板之间的火盖本体上，均设有主火出火孔；The main fire outlet hole is arranged on the fire cover body between the outer ring plate and the middle ring plate of the integrated fire cover; or, the main fire outlet hole is arranged on the outer ring plate; or, the main fire outlet hole is arranged on the outer ring plate and on the fire cover body between the outer ring plate and the middle ring plate; 中心火出火孔的中轴线斜向上与一体火盖的中轴线相交；The central axis of the central fire outlet hole intersects the central axis of the integrated fire cover obliquely upward; 一体火盖的外环板配合盖于一体炉头的炉头外环上，一体火盖的中环板配合盖于一体炉头的炉头中间环上，一体火盖的内环板配合盖于一体炉头的炉头内环上，一体火盖的外环板、一体火盖的火盖本体、一体火盖的中环板、一体炉头的炉头外环、位于炉头外环和炉头中间环之间的呈水平状态的上隔板部分、一体炉头的炉头中间环围成的空腔为主火分火腔；一体火盖的内环板、一体火盖的火盖本体、一体火盖的中环板、一体炉头的炉头内环、位于炉头内环和炉头中间环之间的呈水平状态的上隔板部分、一体炉头的炉头中间环围成的空腔为中心火分火腔；The outer ring plate of the integrated fire cover is fitted on the burner outer ring of the integrated burner, the middle ring plate of the integrated fire cover is fitted on the burner middle ring of the integrated burner, and the inner ring plate of the integrated fire cover is fitted on the burner inner ring of the integrated burner. The outer ring plate of the integrated fire cover, the fire cover body of the integrated fire cover, the middle ring plate of the integrated fire cover, the burner outer ring of the integrated burner, the upper baffle part located in a horizontal state between the burner outer ring and the burner middle ring, and the burner middle ring of the integrated burner form a cavity that is a main fire fire-dividing cavity; the inner ring plate of the integrated fire cover, the fire cover body of the integrated fire cover, the middle ring plate of the integrated fire cover, the burner inner ring of the integrated burner, the upper baffle part located in a horizontal state between the burner inner ring and the burner middle ring, and the burner middle ring of the integrated burner form a cavity that is a central fire fire-dividing cavity; 一体火盖的火盖本体上设有连焰孔，连焰孔贯穿火盖本体的上下表面，连焰孔的外端与一体火盖的主火出火孔连接，连焰孔的内端延伸至一体火盖的中心火出火孔的外周侧；The fire cover body of the integrated fire cover is provided with a flame hole, which penetrates the upper and lower surfaces of the fire cover body, the outer end of the flame hole is connected to the main fire outlet hole of the integrated fire cover, and the inner end of the flame hole extends to the outer peripheral side of the central fire outlet hole of the integrated fire cover; 一体火盖的内环板上开有火盖限位槽，一体炉头的炉头内环上固定有与火盖限位槽适配的限位凸起，限位凸起伸入火盖限位槽中；A fire cover limiting groove is formed on the inner ring plate of the integrated fire cover, and a limiting protrusion adapted to the fire cover limiting groove is fixed on the inner ring of the integrated burner head, and the limiting protrusion extends into the fire cover limiting groove; 炉头隔板的板厚从炉头隔板的中心至炉头隔板的外缘逐渐减小；The thickness of the furnace head partition gradually decreases from the center of the furnace head partition to the outer edge of the furnace head partition; 完全上进风燃烧器还包括主火均火板和中心火均火板，主火均火板上开有主火均气孔，中心火均火板上开有中心火均气孔，一体火盖的火盖本体的下表面固定有主火均火板安装柱和中心火均火板安装柱，主火均火板固定于主火均火板安装柱上，中心火均火板固定于中心火均火板安装柱上；主火均火板位于主火混合腔上方，中心火均火板位于中心火混合腔上方。The fully upper air inlet burner also includes a main fire equalizing plate and a central fire equalizing plate. The main fire equalizing plate is provided with main fire equalizing holes, and the central fire equalizing plate is provided with central fire equalizing holes. The lower surface of the fire cover body of the integrated fire cover is fixed with main fire equalizing plate mounting columns and central fire equalizing plate mounting columns. The main fire equalizing plate is fixed on the main fire equalizing plate mounting columns, and the central fire equalizing plate is fixed on the central fire equalizing plate mounting columns. The main fire equalizing plate is located above the main fire mixing chamber, and the central fire equalizing plate is located above the central fire mixing chamber. 2.根据权利要求1所述的完全上进风燃烧器，其特征在于，一体炉头内设有两个二次空气通道和一个中心火一次空气通道；上隔板的水平状态部和炉头隔板之间设有两竖向隔板，两竖向隔板的顶面均与一体炉头的上隔板的水平状态部的下表面固连，两竖向隔板的底面均与一体炉头的炉头隔板的上表面固连，两竖向隔板的内端面分别与中心火引射器的进气端的两侧外壁固连，两竖向隔板的外端面均延伸至炉头外环的正下方；两竖向隔板、上隔板的水平状态部和炉头隔板围成的空腔为中心火一次空气通道，中心火一次空气通道的内端与中心火引射器的进气端连通，中心火一次空气通道的外端与大气连通；其中一竖向隔板、上隔板的下凹部、上隔板的水平状态部和炉头隔板围成的空腔为一个二次空气通道，另一竖向隔板、上隔板的下凹部、上隔板的水平状态部和炉头隔板围成的空腔为另一个二次空气通道；中心火一次空气通道位于两二次空气通道之间，相邻的二次空气通道和中心火一次空气通道之间通过相应的竖向隔板隔开；两二次空气通道的外端均与大气连通，两二次空气通道的内端均与上隔板的中心通孔连通。2. The fully upper air inlet burner according to claim 1 is characterized in that two secondary air channels and one center fire primary air channel are arranged in the integrated burner; two vertical partitions are arranged between the horizontal portion of the upper partition and the burner partition, the top surfaces of the two vertical partitions are fixedly connected to the lower surface of the horizontal portion of the upper partition of the integrated burner, the bottom surfaces of the two vertical partitions are fixedly connected to the upper surface of the burner partition of the integrated burner, the inner end surfaces of the two vertical partitions are respectively fixedly connected to the outer walls on both sides of the air inlet end of the center fire ejector, and the outer end surfaces of the two vertical partitions extend to just below the outer ring of the burner; the cavity surrounded by the two vertical partitions, the horizontal portion of the upper partition and the burner partition is the center fire primary air channel, and the center fire primary air channel is formed by the two vertical partitions. The inner end of the primary air channel of the central fire is connected with the air inlet end of the central fire ejector, and the outer end of the primary air channel of the central fire is connected with the atmosphere; a cavity surrounded by one vertical partition, the concave portion of the upper partition, the horizontal portion of the upper partition and the burner partition is a secondary air channel, and the cavity surrounded by the other vertical partition, the concave portion of the upper partition, the horizontal portion of the upper partition and the burner partition is another secondary air channel; the primary air channel of the central fire is located between the two secondary air channels, and the adjacent secondary air channels and the primary air channel of the central fire are separated by corresponding vertical partitions; the outer ends of the two secondary air channels are connected with the atmosphere, and the inner ends of the two secondary air channels are connected with the central through hole of the upper partition. 3.根据权利要求1或2所述的完全上进风燃烧器，其特征在于，主火混合腔的截面和中心火混合腔的截面均为倒梯形。3. The full upward air inlet burner according to claim 1 or 2 is characterized in that the cross-section of the main fire mixing chamber and the cross-section of the center fire mixing chamber are both inverted trapezoids. 4.根据权利要求1或2所述的完全上进风燃烧器，其特征在于，一体炉头和燃烧器支座之间设有水盘，水盘上设有短支撑柱安装孔和长支撑柱安装孔，燃烧器支座的上表面亦开有短支撑柱安装孔和长支撑柱安装孔，短支撑柱下端穿过水盘上的短支撑柱安装孔后伸入燃烧器支座上表面的短支撑柱安装孔内，长支撑柱下端穿过水盘上的长支撑柱安装孔后伸入燃烧器支座上表面的长支撑柱安装孔内；短支撑柱的顶面和长支撑柱的顶面均与一体炉头的下表面接触；4. The fully upper air inlet burner according to claim 1 or 2 is characterized in that a water tray is provided between the integrated burner head and the burner support, the water tray is provided with a short support column mounting hole and a long support column mounting hole, the upper surface of the burner support is also provided with a short support column mounting hole and a long support column mounting hole, the lower end of the short support column passes through the short support column mounting hole on the water tray and then extends into the short support column mounting hole on the upper surface of the burner support, the lower end of the long support column passes through the long support column mounting hole on the water tray and then extends into the long support column mounting hole on the upper surface of the burner support; the top surface of the short support column and the top surface of the long support column are both in contact with the lower surface of the integrated burner head; 燃烧器支座的下表面固定有下部连接柱，下部连接柱的下端开有连接孔，燃气灶具或集成灶产品的底盘上亦开有连接孔，下部连接柱下端的连接孔通过连接件实现与燃气灶具或集成灶产品的底盘上的连接孔连接；A lower connecting column is fixed to the lower surface of the burner support, a connecting hole is opened at the lower end of the lower connecting column, and a connecting hole is also opened on the chassis of the gas cooker or integrated stove product. The connecting hole at the lower end of the lower connecting column is connected to the connecting hole on the chassis of the gas cooker or integrated stove product through a connecting piece; 水盘上开有喷嘴安装座穿插孔、点火针固定架穿插孔和热电偶固定架穿插孔，炉头隔板上亦开有喷嘴安装座穿插孔，燃烧器支座上的喷嘴安装座向上依次穿过水盘的喷嘴安装座穿插孔和炉头隔板的喷嘴安装座穿插孔；炉头隔板上还开有点火针固定架穿插孔和热电偶固定架穿插孔；点火针固定架的上端从下至上依次穿过水盘的点火针固定架穿插孔和炉头隔板的点火针固定架穿插孔，热电偶固定架的上端从下至上依次穿过水盘的热电偶固定架穿插孔和炉头隔板的热电偶固定架穿插孔；The water tray is provided with a nozzle mounting seat insertion hole, an ignition needle fixing frame insertion hole and a thermocouple fixing frame insertion hole, and the burner partition is also provided with a nozzle mounting seat insertion hole. The nozzle mounting seat on the burner support passes through the nozzle mounting seat insertion hole of the water tray and the nozzle mounting seat insertion hole of the burner partition upward in sequence; the burner partition is also provided with an ignition needle fixing frame insertion hole and a thermocouple fixing frame insertion hole; the upper end of the ignition needle fixing frame passes through the ignition needle fixing frame insertion hole of the water tray and the ignition needle fixing frame insertion hole of the burner partition in sequence from bottom to top, and the upper end of the thermocouple fixing frame passes through the thermocouple fixing frame insertion hole of the water tray and the thermocouple fixing frame insertion hole of the burner partition in sequence from bottom to top; 炉头隔板上还设有中心火喷嘴过孔，炉头隔板上的中心火喷嘴过孔与炉头隔板上的喷嘴安装座穿插孔连通；中心火喷嘴位于主火喷嘴的上方。A center fire nozzle through hole is also provided on the burner partition, and the center fire nozzle through hole on the burner partition is connected with the nozzle mounting seat through hole on the burner partition; the center fire nozzle is located above the main fire nozzle. 5.根据权利要求1或2所述的完全上进风燃烧器，其特征在于，主火引射器横向中置于炉头隔板的上表面，中心火引射器横向中置于炉头隔板的下表面。5. The full upper air inlet burner according to claim 1 or 2 is characterized in that the main fire injector is placed in the horizontal center on the upper surface of the burner head partition, and the center fire injector is placed in the horizontal center on the lower surface of the burner head partition. 6.根据权利要求1或2所述的完全上进风燃烧器，其特征在于，中心火喷嘴的前段设有外螺纹，中心火喷嘴的中段设有引气孔，中心火喷嘴的后段亦设有外螺纹，中心火喷嘴的前段和中段套有内壁设有内螺纹的中心火风门套，喷嘴安装座上开有中心火喷嘴安装孔，中心火喷嘴通过中心火喷嘴后段的外螺纹安装于喷嘴安装座的中心火喷嘴安装孔上；主火喷嘴的前段设有外螺纹，主火喷嘴的中段设有引气孔，主火喷嘴的后段亦设有外螺纹，主火喷嘴的前段和中段套有内壁设有内螺纹的主火风门套，喷嘴安装座上开有主火喷嘴安装孔，主火喷嘴通过主火喷嘴后段的外螺纹安装于喷嘴安装座的主火喷嘴安装孔上。6. The fully upward air inlet burner according to claim 1 or 2 is characterized in that the front section of the center fire nozzle is provided with an external thread, the middle section of the center fire nozzle is provided with an air inlet hole, the rear section of the center fire nozzle is also provided with an external thread, the front section and the middle section of the center fire nozzle are sleeved with a center fire air door sleeve with an internal thread on the inner wall, a center fire nozzle mounting hole is provided on the nozzle mounting seat, and the center fire nozzle is mounted on the center fire nozzle mounting hole of the nozzle mounting seat through the external thread of the rear section of the center fire nozzle; the front section of the main fire nozzle is provided with an external thread, the middle section of the main fire nozzle is provided with an air inlet hole, the rear section of the main fire nozzle is also provided with an external thread, the front section and the middle section of the main fire nozzle are sleeved with a main fire air door sleeve with an internal thread on the inner wall, a main fire nozzle mounting hole is provided on the nozzle mounting seat, and the main fire nozzle is mounted on the main fire nozzle mounting hole of the nozzle mounting seat through the external thread of the rear section of the main fire nozzle.
CN202010157123.1A 2020-03-09 2020-03-09 Complete upper air inlet burner Expired - Fee Related CN111102571B (en)

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