CN111442269A - Upper air inlet furnace head - Google Patents
Upper air inlet furnace head Download PDFInfo
- Publication number
- CN111442269A CN111442269A CN202010328067.3A CN202010328067A CN111442269A CN 111442269 A CN111442269 A CN 111442269A CN 202010328067 A CN202010328067 A CN 202010328067A CN 111442269 A CN111442269 A CN 111442269A
- Authority
- CN
- China
- Prior art keywords
- injection passage
- air inlet
- plate
- shell
- central
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002347 injection Methods 0.000 claims abstract description 97
- 239000007924 injection Substances 0.000 claims abstract description 97
- 230000001681 protective effect Effects 0.000 claims abstract description 26
- 238000009423 ventilation Methods 0.000 claims abstract description 22
- 241000238631 Hexapoda Species 0.000 claims description 4
- 239000002737 fuel gas Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 241001674044 Blattodea Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
- F23D14/06—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
-
- 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, e.g. noise reduction means
-
- 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, e.g. noise reduction means
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/76—Protecting flame and burner parts
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Catching Or Destruction (AREA)
Abstract
An upper air inlet furnace head comprises a furnace plate, an air vent seat arranged on the furnace plate and used for installing a distributor, and an injection channel arranged on the furnace plate and communicated with the air vent seat; the furnace plate is provided with an air inlet cavity which is positioned outside the ventilation seat and penetrates through the upper part of the furnace plate, and the input end of the injection passage is communicated with the air inlet cavity; the stove plate is provided with a detachable protective cover covering the air inlet cavity, and the detachable protective cover is provided with an upper air inlet hole communicated with the air inlet cavity. The detachable protective cover is convenient to disassemble and assemble, and after the detachable protective cover is disassembled, the input ends of the air inlet cavity and the injection channel can be conveniently cleaned and maintained.
Description
Technical Field
The invention relates to the field of household gas appliances, in particular to an upper air inlet furnace head.
Background
Chinese patent document No. CN201811069495.8 discloses an upper air intake cooking stove burner, which comprises a burner, an ignition needle and an induction needle; is characterized in that the furnace end comprises a furnace end seat and a furnace end cover; the stove head cover is covered on the stove head base and matched with the stove head base, an air inlet channel is arranged on the stove head cover and communicated with the inner ring fire gas inlet of the stove head base, a first upward bulge is arranged on the stove head cover, a first upward bulge and a clearance matched with the stove head base form a first upper air inlet, and the first upper air inlet is communicated with the gas inlet of the outer ring fire of the stove head base; the ignition needle and the induction needle are respectively arranged on the furnace head seat.
The stove head cover is large in size, basically completely covers a stove head base, is inconvenient to assemble and disassemble, is provided with an air inlet channel and a first upper air inlet, and cannot completely avoid the situation that sundries such as dust enter an inner ring fire lower air inlet and an outer ring fire lower air inlet, and the problem that the stove head cover is inconvenient to assemble and disassemble causes difficulty in cleaning and maintenance of the inner ring fire lower air inlet and the outer ring fire lower air inlet, so that certain limitation exists.
Therefore, further improvements are needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an upper air inlet furnace head, wherein a detachable protective cover is convenient to disassemble and assemble, and after the detachable protective cover is disassembled, the input ends of an air inlet cavity and an injection passage can be conveniently cleaned and maintained.
The purpose of the invention is realized as follows:
an upper air inlet furnace head comprises a furnace plate, an air vent seat arranged on the furnace plate and used for installing a distributor, and an injection channel arranged on the furnace plate and communicated with the air vent seat;
the furnace plate is provided with an air inlet cavity which is positioned outside the ventilation seat and penetrates through the upper part of the furnace plate, and the input end of the injection passage is communicated with the air inlet cavity;
the stove plate is provided with a detachable protective cover covering the air inlet cavity, and the detachable protective cover is provided with an upper air inlet hole communicated with the air inlet cavity.
The ventilation seat is provided with a detachable bracket;
the detachable support is provided with a first mounting hole and a second mounting hole which are used for mounting an ignition needle and a thermocouple respectively.
An insect-proof net is arranged between the furnace plate and the detachable protecting cover.
The detachable protective cover is characterized in that a first boss is arranged on the upper surface of the detachable protective cover, a second boss is arranged on the first boss, a third boss is arranged on the second boss, an upper air inlet hole is formed in the third boss and penetrates through the upper portion and the lower portion of the third boss, and the third boss is arc-shaped.
The injection passage comprises a central injection passage and a double-pipe injection structure;
the double-pipe injection structure comprises a first outer injection passage and a second outer injection passage which are respectively and symmetrically arranged at two sides of the central injection passage;
the input ends of the central injection passage, the first outer injection passage and the second outer injection passage are all positioned in the air inlet cavity;
the ventilation seat is provided with a central ventilation pipe and an outer ventilation pipe, the central injection passage is communicated with the central ventilation pipe, and the first outer injection passage and the second outer injection passage are communicated with the outer ventilation pipe.
The front part of the air inlet cavity is provided with a front shell for inputting fuel gas, and the detachable protective cover is arranged on the front shell;
the front surface of the front shell is provided with a central input port opposite to the input end of the central injection channel, a first input port opposite to the input end of the first outer injection channel and a second input port opposite to the input end of the second outer injection channel.
A transverse pipeline which is communicated with the input end of the first input port and the input end of the second input port is arranged on the front surface of the front shell, and a total input port is arranged on the transverse pipeline;
the central input port is positioned at the upper part or the lower part of the transverse pipeline;
and the output ends of the central input port, the first input port and the second input port are provided with nozzles.
The furnace plate comprises an upper shell and a lower shell arranged at the lower part of the upper shell;
the front shell is arranged at the front parts of the upper shell and the lower shell, and the ventilation seat is arranged on the upper shell.
The upper shell is provided with a first transverse plate extending upwards and a first side plate extending forwards from the left side and the right side of the first transverse plate respectively, the first transverse plate is positioned in front of the ventilation seat, and a gap is reserved between the first transverse plate and the front edge of the upper shell;
a second transverse plate extending downwards is arranged at the front edge of the lower shell;
the front shell comprises a third transverse plate, a bottom plate and second side plates, wherein the bottom plate extends backwards from the bottom of the third transverse plate, the second side plates extend backwards from the left side and the right side of the third transverse plate respectively and are connected with the bottom plate;
the second side plate is connected with the corresponding first side plate, the second side plate is connected with the left side and the right side of the front surface of the second transverse plate, and the bottom plate is connected with the bottom of the front surface of the second transverse plate;
removable protecting cover sets up on first transverse plate, first curb plate, third transverse plate and second curb plate.
The input ends of the central injection passage, the first outer injection passage and the second outer injection passage are positioned in front of the first transverse plate;
the central injection passage is arranged on the upper shell;
the first outer injection passage and the second outer injection passage comprise an upper concave part arranged on the upper shell and a lower concave part arranged on the lower shell.
The invention has the following beneficial effects:
1. the easy dismounting of removable protecting cover, lift removable protecting cover off after, can conveniently clean the input of admitting air cavity and drawing the penetrating passageway and maintain. Likewise, after the nozzle is blocked or breaks down, only a detachable protective cover needs to be detached, the nozzle can be cleaned and maintained or detached for replacement, and the air inlet furnace end is convenient to maintain and does not need to be integrally detached.
2. The easy dismounting of removable support, when ignition needle or thermocouple broke down, only need lift off removable support, can carry out the work of inspection, change to ignition needle or thermocouple, need not whole dismantlement originally upper air inlet furnace end.
3. Adopt removable protecting cover, first horizontal board, first curb plate and the horizontal board of second, go up the casing and down the casing with the nozzle with draw penetrate including the passageway input parcel, only remain last inlet opening and external intercommunication, simultaneously, through setting up the fly net, effectively avoid insect etc. to the nozzle with draw the influence of penetrating the passageway input, be favorable to protecting the nozzle and draw and penetrate the passageway input and the interval between the two.
Drawings
Fig. 1 is a schematic structural diagram according to an embodiment of the present invention.
FIG. 2 is a schematic view of a structure of a hidden detachable cover and a detachable bracket according to an embodiment of the present invention.
Fig. 3 is an exploded view of an embodiment of the present invention.
FIG. 4 is a schematic view of a detachable protective cover according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a front case according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of an upper housing according to an embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
Referring to fig. 1-6, the upper air inlet furnace head comprises a furnace plate 1, an air vent seat 2 arranged on the furnace plate 1 and used for installing a distributor, and an injection channel arranged on the furnace plate 1 and communicated with the air vent seat 2;
the furnace plate 1 is provided with an air inlet cavity 3 which is positioned outside the ventilation seat 2 and penetrates through the upper part of the furnace plate 1, and the input end of the injection passage is communicated with the air inlet cavity 3;
the oven tray 1 is provided with a detachable protective cover 4 covering the air inlet cavity 3, and the detachable protective cover 4 is provided with an upper air inlet hole 44 communicated with the air inlet cavity 3.
Removable protecting cover 4 only covers on the cavity 3 admits air, and is small to not cover stone or metal plate 1 completely, removable protecting cover 4's easy dismounting, lift removable protecting cover 4 back off, can conveniently clean the input of admitting air cavity 3 and drawing the passageway and maintain.
It all is provided with fixed block 71 to correspond removable protecting cover 4 on the inside left and right sides wall of chamber 3 admits air, makes removable protecting cover 4 fixed mounting on the chamber 3 admits air through first fastening screw fixed connection between removable protecting cover 4 and the fixed block 71, and removable protecting cover 4 and fixed block 71 are passed in proper order to first fastening screw, adopt the dismouting of this kind of structural connection mode convenience removable protecting cover 4.
The bottom of the fixed block 71 is connected with the bottom surface of the air inlet cavity 3.
In particular, the air intake cavity 3 is located in front of the air vent seat 2.
Furthermore, a detachable bracket 6 is arranged on the ventilation seat 2;
the detachable bracket 6 is provided with a first mounting hole 61 and a second mounting hole 62 for mounting an ignition needle and a thermocouple, respectively.
The easy dismounting of removable support 6 when ignition needle or thermocouple break down, only needs to lift removable support 6 off, can carry out the work of inspection, change to ignition needle or thermocouple, need not whole dismantlement originally upper air inlet furnace end.
Further, an insect-proof net 7 is arranged between the furnace disc 1 and the detachable protective cover 4.
The insect-proof net 7 is used for preventing insects such as spiders and cockroaches from entering the air inlet cavity 3 and injecting the channel.
Further, removable protecting cover 4 upper surface is provided with first boss 41, is provided with second boss 42 on the first boss 41, is provided with third boss 43 on the second boss 42, and last inlet air hole 44 sets up on third boss 43 and link up the upper portion and the lower part of third boss 43, and third boss 43 is arc strip.
The left and right sides face and the front surface of the first boss 41 are inclined planes, the adoption of the inclined planes improves the overall strength of the first boss 41, the rear surface of the first boss 41 is flush with the rear surface of the detachable protective cover 4, and the left and right sides face of the first boss 41 is provided with a clearance concave part 72 which avoids the first fastening screw.
The rear surface of the first boss 41 is provided with an arc-shaped concave part 78 opposite to the third boss 43, and the second boss 42 is in an arc-like strip shape.
When this last air inlet furnace end uses, distributor sets up on removable support 6 and removable protecting cover 4, the upper surface of second boss 42 and the upper surface parallel of removable support 6, distributor bottom surface is arranged in on the upper surface of second boss 42 and the upper surface of removable support 6, can tear formula protecting cover 4 open and also need the bearing distributor, distributor weight is great, through set up multiple boss (be first boss 41, second boss 42 and third boss 43) on removable protecting cover 4, be favorable to improving removable protecting cover 4's bulk strength, guarantee that removable protecting cover 4 can bearing distributor steadily.
Have the ventilation breach relative with third boss 43 on the distributor, the ventilation breach is arc strip equally, and when this air inlet furnace end was arranged in to the distributor, the distributor bottom was arranged in on second boss 42, and third boss 43 stretches into in the ventilation breach, and last inlet opening 44 is not by the shutoff.
Further, the injection passage comprises a central injection passage 8 and a double-pipe injection structure;
the double-pipe injection structure comprises a first outer injection passage 9 and a second outer injection passage 10 which are respectively and symmetrically arranged at two sides of the central injection passage 8;
the first outer injection passage 9 and the second outer injection passage 10 are both hook-shaped, and respectively comprise a straight section extending in the front-back direction and an arc-shaped section connected to the rear end of the straight section, the arc-shaped section is positioned at the rear part of the ventilation seat 2, and the tail end of the arc-shaped section is communicated with the ventilation seat 2.
The input ends of the central injection passage 8, the first outer injection passage 9 and the second outer injection passage 10 are all positioned in the air inlet cavity 3;
the ventilating seat 2 is provided with a central ventilating pipe 21 and an outer ventilating pipe 22, the central injection passage 8 is communicated with the central ventilating pipe 21, and the first outer injection passage 9 and the second outer injection passage 10 are both communicated with the outer ventilating pipe 22.
The double-pipe injection structure is a symmetrical structure which is more stable, and in view of small sectional area of the input end of the injection channel, the two injection channels (namely the first outer injection channel 9 and the second outer injection channel 10) are adopted, so that the gas input by shunting is facilitated, and the larger gas input amount is achieved.
The central vent pipe 21 is positioned inside the outer vent pipe 22, and the central vent pipe 21 and the outer vent pipe 22 are connected through a plurality of rib plates 73 uniformly distributed along the circumferential direction.
The detachable bracket 6 is provided with a through hole 74, the detachable bracket 6 is sleeved on the outer vent pipe 22 through the through hole 74 and is arranged on the vent seat 2, and the edge of the through hole 74 is provided with an annular part 79 extending upwards.
A plurality of fixing columns 75 are uniformly distributed on the outer side face of the ventilation seat 2 along the circumferential direction, fixing holes 76 opposite to the fixing columns 75 are formed in the detachable support 6, the fixing holes 75 and the fixing columns 76 are connected through second fastening screws, and the detachable support 6 is convenient to disassemble and assemble due to the structure.
The detachable bracket 6 is provided with a plurality of mounting holes 77 which are uniformly distributed along the circumferential direction and used for mounting the distributor.
The fixing holes 76, the mounting holes 77, the first mounting holes 61 and the second mounting holes 62 are arranged in a staggered manner.
The first mounting hole 61 is located at the right rear portion of the detachable bracket 6, and the second mounting hole 62 is located at the left rear portion of the detachable bracket 6.
Further, a front shell 5 for inputting fuel gas is arranged at the front part of the air inlet cavity 3, and a detachable protective cover 4 is arranged on the front shell 5;
the front surface of the front shell 5 is provided with a central input port 51 opposite to the input end of the central injection passage 8, a first input port 52 opposite to the input end of the first outer injection passage 9 and a second input port 53 opposite to the input end of the second outer injection passage 10.
Gas is respectively input from the central input port 51, the first input port 52 and the second input port 53 and is respectively input into the central injection passage 8, the first outer injection passage 9 and the second outer injection passage 10, negative pressure is formed in the gas inlet cavity 3, air enters the gas inlet cavity 3 from the upper air inlet hole 44 and enters the central injection passage 8, the first outer injection passage 9 and the second outer injection passage 10 together with the gas, so that the gas and the air begin to be mixed at the input end of the injection passage, and the final combustion effect is ensured.
Further, a transverse pipe 54 communicating the input ends of the first input port 52 and the second input port 53 is provided on the front surface of the front case 5, and a total input port 55 is provided on the transverse pipe 54;
the central inlet 51 is located at the upper or lower part of the transverse duct 54;
in this embodiment, the central input port 51 is located at the upper portion of the lateral duct 54, and the total input port 55 is located to the right of the central input port 51.
The output ends of the central input port 51, the first input port 52 and the second input port 53 are all provided with nozzles 56, and the nozzles 56 are positioned in the air inlet cavity 3.
After the nozzle 56 is blocked or breaks down, only the detachable protective cover 4 needs to be detached, the nozzle 56 can be cleaned and maintained or detached for replacement, and the air inlet furnace end is convenient to maintain and does not need to be integrally detached.
Further, the furnace tray 1 comprises an upper shell 11 and a lower shell 12 arranged at the lower part of the upper shell 11;
the front case 5 is disposed in front of the upper case 11 and the lower case 12, and the breather seat 2 is disposed on the upper case 11.
Furthermore, the upper shell 11 is provided with a first transverse plate 13 extending upwards and a first side plate 14 extending forwards from the left side and the right side of the first transverse plate 13, the first transverse plate 13 is located in front of the ventilation seat 2, and a gap is left between the first transverse plate 13 and the front edge of the upper shell 11;
the fixed block 71 is connected with the inner wall of the corresponding first side plate 14.
The front edge of the lower shell 12 is provided with a second transverse plate 15 extending downwards;
the front shell 5 comprises a third transverse plate 57, a bottom plate 58 extending backwards from the bottom of the third transverse plate 57, and second side plates 59 extending backwards from the left and right sides of the third transverse plate 57 and connected with the bottom plate 58;
the central inlet 51, the first inlet 52 and the second inlet 53 are all provided on a third transverse plate 57.
The third transverse plate 57 is locked to the fixing block 71 by a third fastening screw.
The second side plate 59 is connected with the corresponding first side plate 14, the second side plate 59 is connected with the left side and the right side of the front surface of the second transverse plate 15, and the bottom plate 58 is connected with the bottom of the front surface of the second transverse plate 15;
the detachable protective cover 4 is disposed on the first transverse plate 13, the first side plate 14, the third transverse plate 57 and the second side plate 59.
The insect-proof net 7 is tightly pressed between the upper surfaces of the first transverse plate 13, the first side plate 14, the third transverse plate 57 and the second side plate 59 and the bottom surface of the detachable protective cover 4.
In the conventional technique, the nozzle 56 and the outer region of the inlet end of the injection passage are completely open. In this last air inlet furnace end, adopt removable protecting cover 4, first horizontal board 13, first curb plate 14 and second horizontal board 15, go up including casing 11 and lower casing 12 wraps up nozzle 56 and injection passageway input, only remain last inlet air hole 44 and external intercommunication, simultaneously, through setting up fly net 7, effectively avoid the influence of insect etc. to nozzle 56 and injection passageway input, be favorable to protecting nozzle 56 and inject the interval between injection passageway input and the two.
Furthermore, the input ends of the central injection passage 8, the first outer injection passage 9 and the second outer injection passage 10 are all positioned in front of the first transverse plate 13;
the input ends of the central injection passage 8, the first outer injection passage 9 and the second outer injection passage 10 are horn-shaped.
The central injection passage 8 is arranged on the upper shell 11;
the first outer injection passage 9 and the second outer injection passage 10 both include an upper concave portion 16 provided on the upper housing 11 and a lower concave portion 17 provided on the lower housing 12.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (10)
1. The upper air inlet furnace head is characterized by comprising a furnace plate (1), an air vent seat (2) arranged on the furnace plate (1) and used for installing a distributor, and an injection channel arranged on the furnace plate (1) and communicated with the air vent seat (2);
the furnace plate (1) is provided with an air inlet cavity (3) which is positioned outside the ventilation seat (2) and penetrates through the upper part of the furnace plate (1), and the input end of the injection passage is communicated with the air inlet cavity (3);
the stove plate (1) is provided with a detachable protective cover (4) covering the air inlet cavity (3), and the detachable protective cover (4) is provided with an upper air inlet hole (44) communicated with the air inlet cavity (3).
2. The upper air intake stoke according to claim 1, characterized in that the ventilation base (2) is provided with a detachable bracket (6);
the detachable bracket (6) is provided with a first mounting hole (61) and a second mounting hole (62) which are respectively used for mounting an ignition needle and a thermocouple.
3. An upper air intake grate according to claim 1, characterized in that an insect net (7) is arranged between the grate (1) and the detachable protective cover (4).
4. The upper air inlet furnace head as claimed in claim 1, wherein the upper surface of the detachable protective cover (4) is provided with a first boss (41), the first boss (41) is provided with a second boss (42), the second boss (42) is provided with a third boss (43), the upper air inlet hole (44) is arranged on the third boss (43) and penetrates through the upper part and the lower part of the third boss (43), and the third boss (43) is arc-shaped.
5. The upper air intake jamb of any of the claims 1 to 4, wherein the injection channel comprises a central injection channel (8) and a double-tube injection structure;
the double-pipe injection structure comprises a first outer injection passage (9) and a second outer injection passage (10) which are respectively and symmetrically arranged at two sides of a central injection passage (8);
the input ends of the central injection passage (8), the first outer injection passage (9) and the second outer injection passage (10) are all positioned in the air inlet cavity (3);
the ventilating seat (2) is provided with a central ventilating pipe (21) and an outer ventilating pipe (22), the central injection passage (8) is communicated with the central ventilating pipe (21), and the first outer injection passage (9) and the second outer injection passage (10) are communicated with the outer ventilating pipe (22).
6. The upper air inlet furnace end according to claim 5, wherein a front shell (5) for inputting fuel gas is arranged at the front part of the air inlet cavity (3), and the detachable protective cover (4) is arranged on the front shell (5);
the front surface of the front shell (5) is provided with a central input port (51) opposite to the input end of the central injection passage (8), a first input port (52) opposite to the input end of the first outer injection passage (9) and a second input port (53) opposite to the input end of the second outer injection passage (10).
7. An upper inlet head according to claim 6, characterized in that the front shell (5) is provided on its front surface with a transverse duct (54) communicating the input of the first inlet port (52) with the input of the second inlet port (53), the transverse duct (54) being provided with a total inlet port (55);
the central inlet (51) is located at the upper or lower part of the transverse duct (54);
and the output ends of the central input port (51), the first input port (52) and the second input port (53) are provided with nozzles (56).
8. An upper air intake grate according to claim 6, wherein the grate (1) comprises an upper shell (11) and a lower shell (12) arranged at the lower part of the upper shell (11);
the front shell (5) is arranged at the front parts of the upper shell (11) and the lower shell (12), and the ventilation seat (2) is arranged on the upper shell (11).
9. The upper air intake jamb of claim 8, wherein the upper housing (11) is provided with a first transverse plate (13) extending upward and a first side plate (14) extending forward from the left and right sides of the first transverse plate (13), the first transverse plate (13) is located in front of the vent seat (2), and a space is left between the first transverse plate (13) and the front edge of the upper housing (11);
a second transverse plate (15) extending downwards is arranged at the front edge of the lower shell (12);
the front shell (5) comprises a third transverse plate (57), a bottom plate (58) extending backwards from the bottom of the third transverse plate (57), and second side plates (59) extending backwards from the left side and the right side of the third transverse plate (57) respectively and connected with the bottom plate (58);
the second side plate (59) is connected with the corresponding first side plate (14), the second side plate (59) is connected with the left side and the right side of the front surface of the second transverse plate (15), and the bottom plate (58) is connected with the bottom of the front surface of the second transverse plate (15);
removable protecting cover (4) set up on first transverse plate (13), first curb plate (14), third transverse plate (57) and second curb plate (59).
10. The upper air inlet furnace head according to claim 9, wherein the input ends of the central injection passage (8), the first outer injection passage (9) and the second outer injection passage (10) are positioned in front of the first transverse plate (13);
the central injection passage (8) is arranged on the upper shell (11);
the first outer injection passage (9) and the second outer injection passage (10) respectively comprise an upper concave part (16) arranged on the upper shell (11) and a lower concave part (17) arranged on the lower shell (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010328067.3A CN111442269A (en) | 2020-04-23 | 2020-04-23 | Upper air inlet furnace head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010328067.3A CN111442269A (en) | 2020-04-23 | 2020-04-23 | Upper air inlet furnace head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111442269A true CN111442269A (en) | 2020-07-24 |
Family
ID=71655939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010328067.3A Pending CN111442269A (en) | 2020-04-23 | 2020-04-23 | Upper air inlet furnace head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111442269A (en) |
-
2020
- 2020-04-23 CN CN202010328067.3A patent/CN111442269A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100341252B1 (en) | Atmospheric Gas Burner with Diffusion Pilot to Improve Dynamic Stability | |
| CA2327433A1 (en) | Gas cooking appliance with isolated combustion and cooling air flows | |
| CN211952754U (en) | Upper air inlet furnace head | |
| CN111442269A (en) | Upper air inlet furnace head | |
| CN219691829U (en) | Fan subassembly, burning heat transfer subassembly and gas heater with spoiler | |
| US5697360A (en) | Oven structure associable with electrical or gas elements to define an electric or gas oven | |
| CN213453621U (en) | Empty-burning-prevention premixed combustion heat collection utilization 3-in-1 integrated energy-saving integral chamber protector | |
| CN217829376U (en) | Air filter and gas heating stove | |
| CN219828903U (en) | Gas range | |
| CN218565486U (en) | Gas stove | |
| KR20000060555A (en) | Over-the-Range microwave oven | |
| CN217844083U (en) | Gas heating stove | |
| CN219889786U (en) | Combustion heat exchange assembly with secondary wind shield and gas water heater | |
| CN220852130U (en) | Biological particle burner on firewood stove | |
| CN113932221B (en) | Upper air inlet burner | |
| CN210320694U (en) | Gas distributing rod assembly and gas water heater | |
| CN215216337U (en) | Burner for gas stove | |
| CN116336469B (en) | Flow path system, combustion heat exchange assembly and gas water heater | |
| CN220083312U (en) | Combustion heat exchange assembly and gas water heater | |
| CN217356875U (en) | Burner structure | |
| CN220083340U (en) | Combustion heat exchange assembly with baffle plate and gas water heater | |
| CN218721488U (en) | Pizza furnace end and pizza combustor thereof | |
| JP2004049279A (en) | Smokeless roaster for charcoal grilling | |
| CN217876097U (en) | Vertical gas warmer | |
| CN214172224U (en) | Furnace end, combustor and gas cooking utensils |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |