CN206582843U - A kind of low nitrogen oxide burner of gas-heating water heater - Google Patents
A kind of low nitrogen oxide burner of gas-heating water heater Download PDFInfo
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- CN206582843U CN206582843U CN201720109222.6U CN201720109222U CN206582843U CN 206582843 U CN206582843 U CN 206582843U CN 201720109222 U CN201720109222 U CN 201720109222U CN 206582843 U CN206582843 U CN 206582843U
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Abstract
The utility model discloses a kind of low nitrogen oxide burner of gas-heating water heater, using when, gas-air gaseous mixture is flung upwards by combustion gas mixing air inlet induction tunnel, when gas-air gaseous mixture touches the recessed bag of gas diversion, a portion gas-air gaseous mixture is set to be walked toward both sides by the obstacle of the recessed bag of gas diversion, entered back on another part gas-air gaseous mixture is straight in gaseous mixture groove, flinging for Some gases air Mixture is upward in fire seperating hole top combustion, another fraction by fire hole demarcation strip obstacle because being produced malleation, influenceed by malleation, portion gas portals into outside fuel gas mixture splitter box from horizontal gas-air mixed airflow, then burnt in outside burner port；There are some lattice flame combustion holes at the top of burner cap by some transverse slat lattices, and the intensity of a fire firepower after burning is more violent, while greatly increasing area of flame, burns more abundant.
Description
Technical field：
The utility model is related to a kind of burner of gas-heating water heater, more particularly, to a kind of gas-heating water heater
Low nitrogen oxide burner.
Background technology
As country continues to increase to the dynamics of environment protection treating, continuous new standard is had to the fume emission of gas appliance and gone out
It is existing, the especially discharge to NOx, the requirement that must all possess low NOx now into American-European gas appliance, and China is to combustion gas
The requirement of apparatus NOx emission also started in 2012；Existing common wall-hung boiler burner can produce substantial amounts of in burning
NOx, this can be polluted to environment, or even can be occurred acid rain and be jeopardized the respiratory system generation lesion of the mankind；In prior art
In, under condition of negative pressure, there is the burner of the low NOx using shading technique, such burner includes induction tunnel and head
Distributor, the fuel gas inlet of one end of induction tunnel is connected with gas nozzle, and the surrounding of fuel gas inlet is the introducing of primary air mouthful
Part, the other end of induction tunnel is communicated with the head distributor entrance of head distributor, and two kinds of combustions are may occur in which above the burner
The flame of burning situation, light flame can help dense flame to carry out second of burning so as to reduce the discharge of nitrogen oxides, but should
The structure of burner is complex, and the ratio of dense combustion gas and light combustion gas is difficult to adjust, also a kind of to use water cooling combustion technology
The burner of low NOx, one burner is using the technology increase primary air of two induction tunnels, burning fire hole use
The mode of round, burner body is manufactured with copper or the big metal of aluminium thermal conductivity factor, and burner body is connected with cold water pipe, by cold
The temperature of water cooling reduction burner body and the temperature of gaseous mixture, reach the purpose of reduction nitrogen oxides, but it is using more
The higher metal of price such as red copper, cost is higher, and volume is larger, manufactures relative complex, while it is due to using flat board punching
Burner fire hole, combustion stability is poor.
Utility model content
Technical problem to be solved in the utility model is to provide for a kind of gas-heating water heater energy under condition of negative pressure
The nitrogen oxides of combustion product is effectively reduced, preferably, while structure is relatively easy, structure is compacter for combustion stability, production
Cost is relatively low, also without using more difficult debugging dense-dilute burner combustion technology gas-heating water heater low nitrogen oxide burner.
The utility model solve its technical problem use technical scheme be：
A kind of low nitrogen oxide burner of gas-heating water heater, low nitrogen oxide burner includes combustion gas mixing housing
(1), fire hole grid (2), burner cap (3)；The combustion gas mixing housing (1) enters gas injection provided with some combustion gas mixings
Manage (11), the bottom of combustion gas mixing air inlet induction tunnel (11) is provided with combustion gas ejecting port (111)；The combustion gas mixing housing (1)
Top is provided with gaseous mixture groove (12), and gaseous mixture groove (12) is communicated with combustion gas mixing air inlet induction tunnel (11)；The combustion gas is mixed
The forward and backward shell wall in epimere portion for closing housing (1) is provided with convex tendon (13), the top plate tail of convex tendon (13) and combustion gas mixing housing (1)
Between be formed with a step (131)；The forward and backward shell wall of top plate tail of the combustion gas mixing housing (1) is provided with several transverse directions
Combustion gas tap hole (14)；The fire hole grid (2) is fixed on gaseous mixture groove (12) notch, and the width of fire hole grid (2) is big
Width of rebate in gaseous mixture groove (12), the forward and backward outside of grille body extends to the top of step (131)；The burner
The bottom of cap (3) is provided with provided with strip buckle mouthful (31), the internal fire hole grid accommodating chamber (32) provided with concave type, top
Flame combustion hole (33), flame combustion hole (33), fire hole grid accommodating chamber (32), strip buckle mouthful (31) are vertically communicated, and are fired
Burner cap (3) is covered on the outer wall of combustion gas mixing housing (1) by strip buckle mouthful (31), after covering, fire hole grid
(2) it is arranged in fire hole grid accommodating chamber (32), the fire hole of fire hole grid (2) is arranged at flame combustion hole (33) mouth, convex tendon
(13) outer wall contacts engaging with the inwall of burner cap (3), and the forward and backward inwall of burner cap (3) is fastened on convex tendon (13)
On, the forward and backward inwall of burner cap (3) is formed between the top plate tail by convex tendon (13) and combustion gas mixing housing (1)
Outside fuel gas mixture splitter box (132), outside fuel gas mixture splitter box (132) is communicated with flame combustion hole (33)；It is described
Outside fuel gas mixture splitter box (132) is communicated by horizontal combustion gas tap hole (14) with gaseous mixture groove (12), during air inlet, portion
Fuel gas mixture is divided to enter outside fuel gas mixture splitter box (132) from horizontal combustion gas tap hole (14).
Further：The surface of the combustion gas mixing housing (1) is provided with identical with combustion gas mixing air inlet induction tunnel (11) quantity
Gas diversion it is recessed bag (101), gas diversion it is recessed bag (101) be located at combustion gas mixing air inlet induction tunnel (11) top gas outlet
Place, by the obstacle of the recessed bag (101) of gas diversion during the inner top exit of gas circulation to combustion gas mixing air inlet induction tunnel (11)
And a portion combustion gas is walked toward both sides, enter back on another part combustion gas is straight in gaseous mixture groove (12).
Further：The top of the burner cap (3) is provided with some lattice flame combustion holes (33).
Further：The fire hole grid (2) is fixed on the top of combustion gas mixing housing (1) and is arranged in gaseous mixture groove
(12) at notch.
Further：Several fire hole grill bearing blocks (121) are fixed with the gaseous mixture groove (12).
Further：The fire hole grid (2) is if the fire hole demarcation strip (21) being longitudinally arranged including dry plate, fire hole demarcation strip
(21) forward and backward two sides, which is swelled, several convex closures (210), after the overlapping connection of fire hole demarcation strip (21), fire hole demarcation strip
(21) fire seperating hole (211) has been separated to form by convex closure (210) between；That piece of the forward and backward outermost of the fire hole grid (2)
Special circulation outside fuel gas mixture splitter box is formed between fire hole demarcation strip (21) and burner cap (3) internal chamber wall
(132) combustion gas and the outside burner port (133) burnt, outside burner port (133) is communicated with flame combustion hole (33), and is arranged in
The outermost in flame combustion hole (33), during air inlet, the Some gases gaseous mixture of gaseous mixture groove (12) is from horizontal combustion gas tap hole
(14) enter outside fuel gas mixture splitter box (132), then burnt in outside burner port (133).
Further：The top plate tail of the combustion gas mixing housing (1) is extended with fire hole grid spacer (22).
Further：The combustion gas mixing housing (1) is provided with three combustion gas mixing air inlet induction tunnels (11).
Further：The fire hole grid (2) is if the vertical plane lath (201) being longitudinally arranged including dry plate, vertical plane
Be clamped with waveform lath (202) between lath (201), the forward and backward protrusion of waveform lath (202) it is high-order with it is forward and backward
Vertical plane lath (201) connection after form several fire jetting holes (203).
A kind of low nitrogen oxide burner of gas-heating water heater of the utility model has the beneficial effect that：This product structure is set
Meter is reasonable, using three combustion gas mixing air inlet induction tunnel injection gas, and its oxygen supply and combustion gas mixing negotiability are strong, in mixing
Gas groove port sets fire hole grid, is sequentially repeated if fire hole grid is the fire hole demarcation strip being longitudinally arranged by dry plate and is superimposed on one
Connection is played, some fire seperating holes are separated to form by convex closure by being set on fire hole demarcation strip between convex closure, fire hole demarcation strip, fire
Hole demarcation strip is uniformly distributed fuel gas mixture, simultaneously as the thickness of thin of fire hole demarcation strip, fire seperating hole is big, hinders combustion gas mixing
It is small that air-flow leads to coefficient, it is ensured that sufficient by the air of injection, and ejector capacity is strong, and full burning belongs to complete without supplement auxiliary air
Premixed combustion, the nitrogen oxides that it is produced is very low；Fire hole grid uses diaphragm structure, can ensure fire seperating hole under less size
Area, it is compact and reach powerful burning so the overall width of this burner is smaller；Fire hole grid it is forward and backward
Special circulation outside fuel gas mixture splitter box is formed between that piece fire hole demarcation strip of outermost and burner casing cover cavity wall
Combustion gas and the outside burner port burnt, outside burner port communicates with flame combustion hole, and is arranged in the outermost in flame combustion hole,
Outside burner port is smaller than the fire hole area in flame combustion hole, and fire hole outlet air flow velocity is smaller, can be always under big/Smaller load
Stable flame is formed, therefore can effectively lift the baked wheaten cake stability of burner；This burner housing can be used lower-cost
Sheetmetal of aluminizing is manufactured, therefore cost is relatively low；There are some lattice flame combustions at the top of burner cap by some transverse slat lattices
Hole, the intensity of a fire (flame) the one high and one low waveform of formation or different mountain shape after burning, greatly increases area of flame, improve air with
Combustion gas mixing after-combustion rate, makes flame more blue, firepower is more violent, burns more abundant.
Brief description of the drawings
Fig. 1 is the explosive view of the utility model product；
Fig. 2 is the stereogram of the utility model product combustion gas mixing housing；
Fig. 3 is the enlarged drawing at the A of Fig. 2 upper right corner；
Fig. 4 is the stereogram of the utility model product fire hole grid；
Fig. 5 is the front view of the utility model product fire hole grid；
Fig. 6 is the left view of the utility model product fire hole grid；
Fig. 7 is the sectional view of the utility model product；
Fig. 8 is the sectional view of the utility model product burner cap；
Fig. 9 is the amplification view of the utility model product epimere；
Figure 10 is the sectional view of the utility model product combustion gas mixing air inlet induction tunnel；
Figure 11 is the top view of the utility model product；
Figure 12 is the enlarged drawing at B below Figure 11；
Figure 13 is the front view of the utility model product combustion gas mixing housing；
Figure 14 is the front view of the utility model product；
Figure 15 is the top view of the utility model product fire hole grid；
Figure 16 is the enlarged drawing above Figure 15；
Figure 17 is the stereogram of the utility model product fire hole grid.
Embodiment
A kind of low nitrogen oxide burner of gas-heating water heater, low nitrogen oxide burner includes combustion gas mixing housing
1st, fire hole grid 2, burner cap 3；The combustion gas mixing housing 1 is provided with some combustion gas mixing air inlet induction tunnels 11, combustion
The bottom of gas mixed admission induction tunnel 11 is provided with combustion gas ejecting port 111；The top of the combustion gas mixing housing 1 is recessed provided with gaseous mixture
Groove 12, gaseous mixture groove 12 is communicated with combustion gas mixing air inlet induction tunnel 11；The forward and backward shell in epimere portion of the combustion gas mixing housing 1
Wall is provided with convex tendon 13, and a step 131 is formed between convex tendon 13 and the top plate tail of combustion gas mixing housing 1；The combustion gas is mixed
The forward and backward shell wall of top plate tail for closing housing 1 is provided with several horizontal combustion gas tap holes 14；The fire hole grid 2 is fixed on mixed
Close on the notch of gas groove 12, the width of fire hole grid 2 is more than the width of rebate of gaseous mixture groove 12, the forward and backward outside of grille body
Extend to the top of step 131；The bottom of the burner cap 3 is provided with concave type provided with strip buckle mouthful 31, inside
Fire hole grid accommodating chamber 32, top are provided with flame combustion hole 33, flame combustion hole 33, fire hole grid accommodating chamber 32, strip card
Button mouth 31 is vertically communicated, and burner cap 3 is covered on the outer wall of combustion gas mixing housing 1 by strip buckle mouthful 31, is covered
Afterwards, fire hole grid 2 is arranged in fire hole grid accommodating chamber 32, and the fire hole of fire hole grid 2 is arranged at 33 mouthfuls of flame combustion hole, convex
The outer wall of muscle 13 contacts engaging with the inwall of burner cap 3, and the forward and backward inwall of burner cap 3 is fastened on convex tendon 13, burning
The forward and backward inwall of device cap 3 is by being formed with outside fuel gas mixture between convex tendon 13 and the top plate tail of combustion gas mixing housing 1
Splitter box 132, outside fuel gas mixture splitter box 132 is communicated with flame combustion hole 33；The outside fuel gas mixture splitter box
132 are communicated by horizontal combustion gas tap hole 14 with gaseous mixture groove 12, during air inlet, and Some gases air Mixture is from horizontal combustion gas
Tap hole 14 enters outside fuel gas mixture splitter box 132.
The surface of the combustion gas mixing housing 1 is provided with recessed with the quantity identical gas diversion of combustion gas mixing air inlet induction tunnel 11
Bag 101, the recessed bag 101 of gas diversion is located at the top gas-air mixed gas outlet of combustion gas mixing air inlet induction tunnel 11, combustion gas
When air Mixture is circulated to the inner top exit of combustion gas mixing air inlet induction tunnel 11 by the recessed bag 101 of gas diversion obstacle and
A portion gas-air gaseous mixture is walked toward both sides, enter back into gaseous mixture groove on another part gas-air gaseous mixture is straight
In 12.
The top of the burner cap 3 is provided with some lattice flame combustion holes 33.
The fire hole grid 2 is fixed on the top of combustion gas mixing housing 1 and is arranged at the notch of gaseous mixture groove 12.
Several fire hole grill bearing blocks 121 are fixed with the gaseous mixture groove 12.
If the fire hole grid 2 includes the fire hole demarcation strip 21 that dry plate is longitudinally arranged, the forward and backward two sides of fire hole demarcation strip 21
Protuberance has several convex closures 210, after the overlapping connection of fire hole demarcation strip 21, passes through point of convex closure 210 between fire hole demarcation strip 21
Every being formed with fire seperating hole 211；That piece fire hole demarcation strip 21 of the forward and backward outermost of the fire hole grid 2 and the inner chamber of burner cap 3
The combustion gas of special circulation outside fuel gas mixture splitter box 132 and the outside burner port 133 burnt, outside burning are formed between wall
Hole 133 is communicated with flame combustion hole 33, and is arranged in the outermost in flame combustion hole 33, during air inlet, the portion of gaseous mixture groove 12
Divide gas-air gaseous mixture to enter outside fuel gas mixture splitter box 132 from horizontal combustion gas tap hole 14, then burnt in outside
Burn in hole 133.
The top plate tail of the combustion gas mixing housing 1 is extended with fire hole grid spacer 22.
The combustion gas mixing housing 1 is provided with three combustion gas mixing air inlet induction tunnels 11.
There are some lattice flame combustion holes 33 at the top of the burner cap 3 by some lattices of transverse slat 301.
The combustion gas mixing housing 1 includes being stamped with symmetrical strip on front-shell-cover and rear shells, front-shell-cover, rear shells
Shape semicircle groove, combustion gas mixing recess, the recessed bag 101 of gas diversion of outer recessed convex, after front-shell-cover merges with rear shells, two halves
Strip semicircle groove has synthesized combustion gas mixing air inlet induction tunnel 11, and the combustion gas mixing recess of two halves has synthesized gaseous mixture groove
12, front-shell-cover, rear shells respectively have the recessed bag 101 of the gas diversion of an outer recessed convex, and the recessed bag 101 of gas diversion of two shells does not connect
Touch.
The outside fuel gas mixture splitter box 132 is fuel gas mixture splitter box on the outside of negative pressure combustion gas.
The fuel gas mixture refers to air and the gas of combustion gas mixing.
As shown in Figure 15-Figure 17：If the fire hole grid 2 includes the vertical plane lath 201 that dry plate is longitudinally arranged, vertically
Be clamped with waveform lath 202 between plane lath 201, the forward and backward protrusion of waveform lath (202) it is high-order with it is forward and backward
Vertical plane lath 201 connect after form several fire jetting holes 203.
The concrete structure of this product is as follows：
A kind of low nitrogen oxide burner of gas-heating water heater, low nitrogen oxide burner includes combustion gas mixing housing
1st, fire hole grid 2, burner cap 3；The combustion gas mixing housing 1 is provided with three combustion gas mixing air inlet induction tunnels 11, combustion gas
The bottom of mixed admission induction tunnel 11 is provided with combustion gas ejecting port 111；The top of the combustion gas mixing housing 1 is provided with gaseous mixture groove
12, gaseous mixture groove 12 is communicated with combustion gas mixing air inlet induction tunnel 11；The forward and backward shell wall in epimere portion of the combustion gas mixing housing 1
Convex tendon 13 is provided with, a step 131 is formed between convex tendon 13 and the top plate tail of combustion gas mixing housing 1；The combustion gas mixing
The forward and backward shell wall of top plate tail of housing 1 is provided with several horizontal combustion gas tap holes 14；The top of the combustion gas mixing housing 1
Plate tail is extended with fire hole grid spacer 22；The fire hole grid 2 is fixed on the notch of gaseous mixture groove 12, fire hole grid 2
Width is more than the width of rebate of gaseous mixture groove 12, and the forward and backward outside of grille body extends to the top of step 131；The mixing
Several fire hole grill bearing blocks 121 are fixed with gas groove 12；The surface of the combustion gas mixing housing 1 is provided with and combustion gas mixing
The recessed bag 101 of the quantity identical gas diversion of air inlet induction tunnel 11, the recessed bag 101 of gas diversion is located at combustion gas mixing air inlet induction tunnel 11
Top gas-air mixed gas outlet at, the inner top that gas-air mixed airflow passes to combustion gas mixing air inlet induction tunnel 11 goes out
A portion gas-air gaseous mixture is set to be walked toward both sides by the obstacle of the recessed bag 101 of gas diversion when at mouthful, another part combustion
Entered back on gas air Mixture is straight in gaseous mixture groove 12；If the fire hole grid 2 includes the fire hole point that dry plate is longitudinally arranged
Dividing plate 21, the forward and backward two sides of fire hole demarcation strip 21, which is swelled, several convex closures 210, after the overlapping connection of fire hole demarcation strip 21, fire
Fire seperating hole 211 has been separated to form by convex closure 210 between hole demarcation strip 21；That piece of the forward and backward outermost of the fire hole grid 2
The combustion gas of special circulation outside fuel gas mixture splitter box 132 is formed between fire hole demarcation strip 21 and the internal chamber wall of burner cap 3
And the outside burner port 133 burnt, outside burner port 133 is communicated with flame combustion hole 33, and is arranged in flame combustion hole 33
Outermost, during air inlet, the Some gases air Mixture of gaseous mixture groove 12 enters outside combustion gas from horizontal combustion gas tap hole 14
Gaseous mixture splitter box 132, then burns in outside burner port 133；The bottom of the burner cap 3 is provided with strip buckle mouthful
31st, there are some lattice flame combustions at the internal fire hole grid accommodating chamber 32 provided with concave type, top by some lattices of transverse slat 301
Hole 33, flame combustion hole 33, fire hole grid accommodating chamber 32, strip buckle mouthful 31 are vertically communicated, and burner cap 3 passes through strip
Shape buckle mouthful 31 is covered on the outer wall of combustion gas mixing housing 1, and after covering, fire hole grid 2 is arranged in fire hole grid accommodating chamber 32
Interior, the fire hole of fire hole grid 2 is arranged at 33 mouthfuls of flame combustion hole, and the outer wall of convex tendon 13 contacts card with the inwall of burner cap 3
Close, the forward and backward inwall of burner cap 3 is fastened on convex tendon 13, the forward and backward inwall of burner cap 3 passes through convex tendon 13 and combustion
Outside fuel gas mixture splitter box 132, outside fuel gas mixture splitter box are formed between the top plate tail of gas mixing housing 1
132 communicate with flame combustion hole 33；The outside fuel gas mixture splitter box 132 passes through horizontal combustion gas tap hole 14 and gaseous mixture
Groove 12 is communicated, during air inlet, and Some gases air Mixture enters outside fuel gas mixture from horizontal combustion gas tap hole 14 and shunted
Groove 132.
The course of work：
External Gas Pipe is fixedly mounted at combustion gas ejecting port 111 by combustion gas injection head, is mixed during combustion gas injection with air
Amount to entering in combustion gas mixing air inlet induction tunnel 11, mixed gas-air gaseous mixture is flung upwards, when gas-air is mixed
Close gas touch gas diversion it is recessed bag 101 when, by gas diversion it is recessed bag 101 obstacle and make a portion gas-air gaseous mixture
Walk toward both sides, enter back into gaseous mixture groove 12 on another part gas-air gaseous mixture is straight, into the combustion of gaseous mixture groove 12
Gas air Mixture is due to the obstacle of fire hole demarcation strip 21 by fire hole grid 2, and flinging for Some gases air Mixture is upward
In the top combustion of fire seperating hole 211, another fraction is influenceed, portion because being produced malleation by the obstacle of fire hole demarcation strip 21 by malleation
Divide gas to portal 14 into outside fuel gas mixture splitter box 132 from horizontal gas-air mixed airflow, then burnt in outside
Hole 133 is burnt, and (purpose for setting horizontal combustion gas tap hole 14 is to prevent the gas-air gaseous mixture flung up from touching intensive
Fire hole demarcation strip 21 after, the gas-air gaseous mixture being partly hit can circle round in gaseous mixture groove 12, influence flow velocity degree, enter
And firepower is influenceed, the combustion gas for the convolution that is hit can exit into outside fuel gas mixture splitter box from horizontal combustion gas tap hole 14
132, so as to reduce the influence of the malleation of gaseous mixture groove 12)；If the top of burner cap 3 has by some lattices of transverse slat 301
Dry lattice flame combustion hole 33, the intensity of a fire (flame) the one high and one low waveform of formation or different mountain shape after burning, greatly increases flame
Area, improves air and combustion gas mixing after-combustion rate, makes flame more blue, firepower is more violent, burns more abundant.
Claims (9)
1. a kind of low nitrogen oxide burner of gas-heating water heater, it is characterised in that：Low nitrogen oxide burner includes combustion
Gas mixing housing (1), fire hole grid (2), burner cap (3)；The combustion gas mixing housing (1) is mixed provided with some combustion gas
Air inlet induction tunnel (11) is closed, the bottom of combustion gas mixing air inlet induction tunnel (11) is provided with combustion gas ejecting port (111)；The combustion gas mixing
The top of housing (1) is provided with combustion gas mixing groove (12), combustion gas mixing groove (12) and combustion gas mixing air inlet induction tunnel (11) phase
It is logical；The forward and backward shell wall in epimere portion of the combustion gas mixing housing (1) is provided with convex tendon (13), convex tendon (13) and combustion gas mixing housing
(1) step (131) is formed between top plate tail；Set on the forward and backward shell wall of top plate tail of the combustion gas mixing housing (1)
There are several horizontal combustion gas tap holes (14)；The fire hole grid (2) is fixed on combustion gas mixing groove (12) notch, fire hole lattice
The width of grid (2) is more than the width of rebate of combustion gas mixing groove (12), and the forward and backward outside of grille body extends to step (131)
Top；The bottom of the burner cap (3) is accommodated provided with strip buckle mouthful (31), the internal fire hole grid provided with concave type
Chamber (32), top are provided with flame combustion hole (33), flame combustion hole (33), fire hole grid accommodating chamber (32), strip buckle mouthful
(31) vertically communicate, burner cap (3) is covered on the outer wall of combustion gas mixing housing (1) by strip buckle mouthful (31),
After covering, fire hole grid (2) is arranged in fire hole grid accommodating chamber (32), and the fire hole of fire hole grid (2) is arranged in flame combustion
At hole (33) mouth, convex tendon (13) outer wall contacts engaging, the forward and backward inwall of burner cap (3) with the inwall of burner cap (3)
It is fastened on convex tendon (13), the forward and backward inwall of burner cap (3) passes through the top of convex tendon (13) and combustion gas mixing housing (1)
Outside fuel gas mixture splitter box (132), outside fuel gas mixture splitter box (132) and flame combustion hole are formed between plate tail
(33) communicate；The outside fuel gas mixture splitter box (132) passes through horizontal combustion gas tap hole (14) and combustion gas mixing groove
(12) communicate, during air inlet, Some gases gaseous mixture enters outside fuel gas mixture splitter box from horizontal combustion gas tap hole (14)
(132)。
2. a kind of low nitrogen oxide burner of gas-heating water heater according to claim 1, it is characterised in that：It is described
The surface of combustion gas mixing housing (1) be provided with combustion gas mixing air inlet induction tunnel (11) quantity identical gas diversion it is recessed bag (101),
The recessed bag (101) of gas diversion is located at the top gas outlet of combustion gas mixing air inlet induction tunnel (11), and gas circulation is mixed to combustion gas
Made a portion combustion gas past by the obstacle of the recessed bag (101) of gas diversion when closing the inner top exit of air inlet induction tunnel (11)
Both sides are walked, and are entered back on another part combustion gas is straight in combustion gas mixing groove (12).
3. a kind of low nitrogen oxide burner of gas-heating water heater according to claim 1, it is characterised in that：It is described
The top of burner cap (3) is provided with some lattice flame combustion holes (33).
4. a kind of low nitrogen oxide burner of gas-heating water heater according to claim 1, it is characterised in that：It is described
Fire hole grid (2) is fixed on the top of combustion gas mixing housing (1) and is arranged at the notch of combustion gas mixing groove (12).
5. a kind of low nitrogen oxide burner of gas-heating water heater according to claim 1, it is characterised in that：It is described
Several fire hole grill bearing blocks (121) are fixed with combustion gas mixing groove (12).
6. a kind of low nitrogen oxide burner of gas-heating water heater according to claim 1, it is characterised in that：It is described
Fire hole grid (2) is if the fire hole demarcation strip (21) being longitudinally arranged including dry plate, the forward and backward two sides of fire hole demarcation strip (21) is swelled
There are several convex closures (210), after the overlapping connection of fire hole demarcation strip (21), pass through convex closure (210) between fire hole demarcation strip (21)
It has been separated to form fire seperating hole (211)；That piece fire hole demarcation strip (21) of the forward and backward outermost of the fire hole grid (2) and burner
Special circulation outside fuel gas mixture splitter box (132) combustion gas and the outside burning burnt are formed between cap (3) internal chamber wall
Hole (133), outside burner port (133) is communicated with flame combustion hole (33), and is arranged in the outermost of flame combustion hole (33), is entered
During gas, the Some gases air Mixture of combustion gas mixing groove (12) enters outside combustion gas mixing from horizontal combustion gas tap hole (14)
Qi leel chute (132), then burns in outside burner port (133).
7. a kind of low nitrogen oxide burner of gas-heating water heater according to claim 1, it is characterised in that：It is described
The top plate tail of combustion gas mixing housing (1) is extended with fire hole grid spacer (22).
8. a kind of low nitrogen oxide burner of gas-heating water heater according to claim 1, it is characterised in that：It is described
Combustion gas mixing housing (1) is provided with three combustion gas mixing air inlet induction tunnels (11).
9. a kind of low nitrogen oxide burner of gas-heating water heater according to claim 1, it is characterised in that：It is described
Fire hole grid (2) is if the vertical plane lath (201) being longitudinally arranged including dry plate, vertical plane lath is clamped between (201)
Waveform lath (202), the high-order and forward and backward vertical plane lath (201) of the forward and backward protrusion of waveform lath (202)
Several fire jetting holes (203) are formed after connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720109222.6U CN206582843U (en) | 2017-01-27 | 2017-01-27 | A kind of low nitrogen oxide burner of gas-heating water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720109222.6U CN206582843U (en) | 2017-01-27 | 2017-01-27 | A kind of low nitrogen oxide burner of gas-heating water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206582843U true CN206582843U (en) | 2017-10-24 |
Family
ID=60110176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720109222.6U Withdrawn - After Issue CN206582843U (en) | 2017-01-27 | 2017-01-27 | A kind of low nitrogen oxide burner of gas-heating water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206582843U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642109A (en) * | 2017-01-27 | 2017-05-10 | 黄婉平 | Low nitrogen oxide burner of fuel gas heating water heater |
| WO2019129282A1 (en) * | 2017-12-29 | 2019-07-04 | 芜湖美的厨卫电器制造有限公司 | Combustor and gas heater |
| WO2019140861A1 (en) * | 2018-01-16 | 2019-07-25 | 芜湖美的厨卫电器制造有限公司 | Flame spreader as well as burner and water heater using same |
| WO2019219037A1 (en) * | 2018-05-15 | 2019-11-21 | 芜湖美的厨卫电器制造有限公司 | Distributor and combustor and water heater having same |
-
2017
- 2017-01-27 CN CN201720109222.6U patent/CN206582843U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642109A (en) * | 2017-01-27 | 2017-05-10 | 黄婉平 | Low nitrogen oxide burner of fuel gas heating water heater |
| WO2019129282A1 (en) * | 2017-12-29 | 2019-07-04 | 芜湖美的厨卫电器制造有限公司 | Combustor and gas heater |
| WO2019140861A1 (en) * | 2018-01-16 | 2019-07-25 | 芜湖美的厨卫电器制造有限公司 | Flame spreader as well as burner and water heater using same |
| WO2019219037A1 (en) * | 2018-05-15 | 2019-11-21 | 芜湖美的厨卫电器制造有限公司 | Distributor and combustor and water heater having same |
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