CN204739586U

CN204739586U - Combustion head

Info

Publication number: CN204739586U
Application number: CN201520504172.2U
Authority: CN
Inventors: 宋焕臣
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-04-17
Filing date: 2015-04-17
Publication date: 2015-11-04
Anticipated expiration: 2025-04-17
Also published as: CN204611762U

Abstract

The utility model relates to a combustion head, including nozzle and intake pipe, the nozzle suit is in the top of intake pipe evenly set up the bead of a plurality of vertical extensions on the circumference of nozzle, adjacent two the bead with form airflow channel between the intake pipe airflow channel's top forms the gas outlet of air current. The utility model discloses the structure is more simple, and the mist is evenly blown out from the border of nozzle, makes air flow distribution even, increases the burning area by a wide margin, and then realizes that the firepower is even, improves combustion efficiency's purpose.

Description

A kind of combustion head

The divisional application of this case to be number of patent application be 201520231842.8 " a kind of burner plate, combustion head and burners ".

Technical field

The utility model relates to a kind of gas-fired equipment, and particularly a kind of combustion head installed on the burner, belongs to gas-fired equipment technical field.

Background technology

At present, utilize the burner of natural gas and liquefier primarily of compositions such as base, burner plate, combustion head and pre-mixing apparatus, combustion head is arranged on burner plate, burner plate is fixed on base, combustion-supporting air and combustion gas mix by pre-mixing apparatus, mixed gas sprays from the combustion head of topmost again, ignition.In the burner, combustion head is one of vitals, affects the Thorough combustion of combustion gas, firepower size etc., and the combustion head form used at present is more, and result of use also difference is larger.What generally adopt is the structure arranging multiple passage on burner plate, and the mist of combustion gas and air is concentrated and sprayed from passage, and this structure flame is very high, but also there is the problem that burning area is little, firepower is uneven, efficiency of combustion is low simultaneously.In prior art, in order to improve efficiency of combustion, be also provided with heat storage in the burner, in combustion, heat storage plays a part auxiliary combustion, and heat storage is provided with multiple passage run through, and the nozzle correspondence of combustion head is inserted in passage.

At " a kind of gas-air pre-mixing apparatus that the patent No. is 201420128137.0, burning heat storage and burner " patent in disclose a kind of burner structure, burner comprises base, relatively independent combustion gas storehouse and air bin is provided with in base, combustion head is formed by the gas pipeline be socketed and air duct and the premix mouth that is arranged on top, combustion gas and air mix at premix mouth place, do not shift to an earlier date premix, the upper cover plate that gas pipeline passes base with the bottom of air duct is communicated with air bin with combustion gas storehouse respectively, the first half of combustion head is inserted in the passage of heat storage.In order to install fixing heat storage, cover of encircling for protection is overlapped in the periphery of burning heat storage, guard shield is welded and fixed and is arranged on the upper of base, the bottom of guard shield is provided with the multiple boss protruded to center of level, the bottom of heat storage is taken and is put on boss, forms drainage channel between two adjacent boss, when there is spilling water situation, water flows out from the passage of heat storage, then flows out burner from the drainage channel bottom guard shield.

This kind of burner structure is comparatively complicated, heat storage is wherein fixed by guard shield, utilize the boss bottom guard shield to make to reserve between the bottom of heat storage and the upper cover plate of base the space of draining, it is very inconvenient that this structure not only makes heat storage change, and also add the cost of guard shield.In addition, when the initial heat storage of ignition is also in cold conditions, not only up walk also to have a small part from the mist of nozzle ejection and flow out from below, all be communicated with due to the heat storage passage in this burner and with the space between base upper cover plate, make mist easier in bottom outflow in the stage that burning is initial, be unfavorable for burning.

Utility model content

The utility model main purpose is to solve the problem and deficiency, and provide a kind of structure simple, air flow method is even, and burning area is large, and firepower is even, the combustion head that efficiency of combustion is high.

For achieving the above object, the technical solution of the utility model is:

A kind of combustion head, comprise nozzle and air inlet pipe, described nozzle cage is contained in the top of described air inlet pipe, at the fin circumferentially evenly arranging multiple vertical extension of described nozzle, form gas channel between adjacent two described fins and described air inlet pipe, form the gas outlet of air-flow at the top of described gas channel.

Further, described nozzle is trumpet flare structure in the part being positioned at described gas channel top, and the top edge of described air inlet pipe is stuck in the bottom of described flaring structure.

Further, the bottom of described nozzle is ball head shapes.

Further, described air inlet pipe is fixed a hexahedron structure.

To sum up content, a kind of combustion head described in the utility model, structure is more simple, and mist evenly sprays from the border of nozzle, make air flow method even, significantly increase burning area, and then it is even to realize firepower, improve the object of efficiency of combustion.In addition, owing to forming a die cavity between combustion head and the through hole of heat storage, mist is after nozzle ejection, first enter in the die cavity between heat storage through hole and nozzle, the heat that this die cavity produces burning produces greenhouse effects, make the temperature of mist rise to 1400 degree very soon, substantially increase burning velocity, also further improve efficiency of combustion.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model burner;

Fig. 2 is the structural representation of the utility model burner plate upper surface;

Fig. 3 is the top view of Fig. 2;

Fig. 4 is the A-A sectional view of Fig. 3;

Fig. 5 is the structural representation that the utility model burner plate lower surface has bar-shaped projection;

Fig. 6 is the utility model combustion head structural representation;

Fig. 7 is the utility model combustion head nozzle arrangements schematic diagram;

Fig. 8 is the B-B sectional view of Fig. 7.

As shown in Figures 1 to 8, base 1, burner plate 2, combustion head 3, burner plate body 4, heat storage 5, passage 6, gap 7, bar-shaped plush copper 8, positioning convex 9, nozzle 10, air inlet pipe 11, fin 12, flaring structure 13, gas channel 14, fabrication hole 15, cylindrical end tangs 16, hexahedron 17, through hole 18, air inlet 19, premix chamber 20, brace table 21, external screw thread 22, gas outlet 23, circular cone structure 24.

Detailed description of the invention

Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail:

As shown in Figure 1, the utility model provides a kind of burner, burner mainly comprises base 1, premix chamber 20, burner plate 2, combustion head 3 and heat storage 5 etc., install combustion plate 2 above base 1, burner plate 2 is installed multiple combustion head 3 and heat storage 5, multiple combustion head 3 correspondence is inserted in the multiple passages 6 on heat storage 5, air inlet 19 bottom combustion head 3 is communicated with premix chamber 20, air and combustion gas enter combustion head 3 after mixing in premix chamber 20, pot body is placed on pan bracket, the mist of combustion gas and air sprays from the nozzle at combustion head 3 top, burning at the upper surface of heat storage 5 is the heating of pot body.

As shown in Figures 2 to 4, the utility model provides a kind of burner plate, burner plate 2 comprises burner plate body 4, burner plate body 4 is provided with several cylindrical end tangs protruding upward 16, the quantity that cylindrical end tangs 16 is arranged is identical with the quantity of the passage 6 of heat storage 5 and the quantity of combustion head 2, the center of cylindrical end tangs 16 has the through hole 18 that runs through burner plate body 4, the bottom of combustion head 3 is tightened in through hole 18 by external screw thread 22, around each cylindrical end tangs 16, circumferentially extension is provided with one or more brace table 21 for supporting heat storage 5.

As shown in Figures 2 to 4, in the present embodiment, preferably multiple brace table 21 is set around each cylindrical end tangs 16, as arranged 6 brace tables 21,6 brace tables 21 are evenly arranged on cylindrical end tangs 16 around in plum blossom-shaped, space between two brace tables 21 can as drainage channel, and brace table 21 preferably adopts step-like structure.

As shown in Figure 1, after heat storage 5 is installed, the bottom of heat storage 5 is taken lower than the top of cylindrical end tangs 16 simultaneously and is put on subordinate's step of brace table 21, and the first half correspondence of cylindrical end tangs 16 and brace table 21 is inserted in the passage 6 of heat storage 5.Because subordinate's step of brace table 21 has certain height, make heat storage 5 after mounting, certain gap 7 is left bottom it and between the upper surface of burner plate body 4, namely this gap 7 can be used as drainage channel, during if there is phenomenons such as excessive pots, the liquid such as water or vegetable soup enters in the passage 6 of heat storage 5, and along passage 6 to dirty, the drainage channel formed by the space between adjacent two brace tables 21 flows out the passage 6 of heat storage 5, finally flow out burner from the gap 7 between heat storage 5 and burner plate body 4 again, liquid can not accumulate in the passage 6 of heat storage 5, effectively prevent the liquid such as water or vegetable soup blocks passage 6 and combustion head 3 afterwards nozzle 10 in accumulation, and then avoid fire to be put out by water, prevent the generation of security incident.

Brace table 21 on burner plate 2 except arrange as mentioned above multiple except, only can also adopt one, a brace table 21 is arranged on cylindrical end tangs 16 around ringwise, brace table 21 is same preferably adopts step-like structure, and the bottom of heat storage 5 is taken lower than the top of cylindrical end tangs 16 simultaneously and put on subordinate's step of brace table 21.If adopt the brace table 21 of this kind of loop configuration, need the drainage channel (not shown) that many up/down perforations are evenly set along the circumference of cylindrical end tangs 16 on brace table 21, make the liquid such as water or vegetable soup flowed down from the passage 6 of heat storage 5 from many drainage channels, flow out heat storage 5, then flow out burner further.

Due to the setting of brace table 21, heat storage 5 can directly be taken to be put on brace table 21, and the replacing of heat storage 5 is convenient, and user just can take off heat storage 5 voluntarily and change, save the structures such as guard shield of the prior art, cost also can correspondingly reduce simultaneously.

Because the first half of cylindrical end tangs 16 and brace table 21 is inserted in the passage 6 of heat storage 5 when mounted, the passage 6 reducing heat storage 5 can for the effective area of simulation model for mixing gases flows, time initial to ignition to a certain extent, descending mist serves the effect of damping, make mist namely stop flowing downward within the extremely short time, be more beneficial to burning.

As shown in Figure 1 and Figure 4, being provided with a circle in the periphery of burner plate body 4 lower surface for installing the circular orientation projection 9 of location, on the convenient base 1 burner plate body 4 being arranged on below, avoiding burner plate body 4 to produce in use simultaneously and rocking.

For reducing manufacture craft, reduce material and production cost, in the present embodiment, the ceramic material that brace table 21, cylindrical end tangs 16, circular orientation protruding 9 and burner plate body 4 adopt resistance to elevated temperatures good integrally forms by a firing.

As shown in Figure 1 and Figure 4, in the present embodiment, the lower surface of burner plate body 4 is a plane, also can be as shown in Figure 5, the lower surface of burner plate body 4 is provided with several bar-shaped plush coppers 8 protruded downwards, and through hole 18 is avoided in the position that bar-shaped plush copper 8 is arranged, and bar-shaped plush copper 8 can carry out flow-disturbing to the mist that will enter combustion head 3, make the mist entering each combustion head 3 more even, and then ensure that burning fire power is even.The ceramic material that bar-shaped plush copper 8 and burner plate body 4 adopt resistance to elevated temperatures good integrally forms by a firing.

As shown in Figure 6 to 8, the utility model also provides a kind of combustion head, and combustion head 3 comprises nozzle 10 and air inlet pipe 11, and nozzle 10 is sleeved on the top of air inlet pipe 11, and air inlet pipe 11 preferably adopts stainless steel tube.The bottom of air inlet pipe 11 is communicated with premix chamber 20, and air and combustion gas enter air inlet pipe 11 after mixing in premix chamber 20, then is sprayed by the nozzle 10 at air inlet pipe 11 top.

At nozzle 10, multiple fin 12 is circumferentially evenly set, fin 12 is vertically extended to top by bottom, adjacent two fins 12 surround gas channel 14 together with air inlet pipe 11, and to be that the good ceramic material of resistance to elevated temperatures is one-body molded make for fin 12 and nozzle 10.For making air flow method more even, increase burning area, fin 12 is preferably provided with 6-16, and in the present embodiment, fin 12 is provided with 12, and then forms 12 gas channels 14 along the border of nozzle 10.In this implementation column, the part being positioned at gas channel 14 top at nozzle 10 is trumpet flare structure 13, and the top of air inlet pipe 11 is stuck in the bottom of flaring structure 13, is formed the gas outlet 23 of multiple mist by the fin 12 around flaring structure 13.In this implementation column, the bottom of nozzle 10 is preferably designed to ball head shapes, to ensure that gaseous mixture physical efficiency is evenly distributed.

One circular cone structure upwards extended 24 is also set above nozzle 10, is beneficial to mist and upwards flows, there is at circular cone structure 24 center of nozzle 10 fabrication hole 15 of an indent, ensure that the finished product after ceramic material sintering can not be out of shape.

Enter the mist of air inlet pipe 11, under the effect of multiple fin 12, be uniformly distributed into 12 road air-flows, and it is up along 12 gas channels 14 respectively, last 12 gas outlets 23 formed above air inlet pipe 11 and between flaring structure 13 spray, get final product ignition, the circular cone structure 24 of mist at nozzle 10 of ejection and the upper surface burning of heat storage 5.One uniform stream of the prior art be divide into 12 road air-flows by this nozzle 10, make air flow method even, significantly increase burning area, and then realize the object that firepower is even, improve efficiency of combustion, and the mist of ejection forms flow-disturbing in circular cone structure 24 place up, makes mist mix more even.In addition, owing to forming a die cavity between nozzle 10 and the passage 6 of heat storage 5, after mist sprays from nozzle 10, first enter in the die cavity between the passage 6 of heat storage 5 and nozzle 10, the heat that this die cavity produces burning produces greenhouse effects, make the temperature of mist rise to 1400 DEG C very soon, substantially increase burning velocity, also further improve efficiency of combustion.

In the present embodiment, preferably a hexahedron 17 is set in air inlet pipe 11 in addition, facilitates the use spanner and air inlet pipe 11 and nozzle 10 are mounted and dismounted, in the bottom of air inlet pipe 11, there is external screw thread 22, for the fixed installation between burner plate body 4.

As mentioned above, plan content given by reference to the accompanying drawings, can derive similar technical scheme.In every case be the content not departing from technical solutions of the utility model, any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.

Claims

1. a combustion head, it is characterized in that: comprise nozzle and air inlet pipe, described nozzle cage is contained in the top of described air inlet pipe, at the fin circumferentially evenly arranging multiple vertical extension of described nozzle, form gas channel between adjacent two described fins and described air inlet pipe, form the gas outlet of air-flow at the top of described gas channel.

2. combustion head according to claim 1, is characterized in that: described nozzle is trumpet flare structure in the part being positioned at described gas channel top, and the top edge of described air inlet pipe is stuck in the bottom of described flaring structure.

3. combustion head according to claim 1, is characterized in that: the bottom of described nozzle is ball head shapes.

4. combustion head according to claim 1, is characterized in that: in described air inlet pipe, fix a hexahedron structure.