CN205227332U - Full premix burner and full premix boiler - Google Patents
Full premix burner and full premix boiler Download PDFInfo
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- CN205227332U CN205227332U CN201521106176.1U CN201521106176U CN205227332U CN 205227332 U CN205227332 U CN 205227332U CN 201521106176 U CN201521106176 U CN 201521106176U CN 205227332 U CN205227332 U CN 205227332U
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- burner
- full premix
- heat exchanger
- exchanger tube
- gas
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- 238000002485 combustion reaction Methods 0.000 claims abstract description 39
- 239000002737 fuel gas Substances 0.000 claims description 41
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 210000003298 dental enamel Anatomy 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 43
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 8
- 239000003546 flue gas Substances 0.000 abstract description 8
- 230000007774 longterm Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 13
- 239000007921 spray Substances 0.000 description 10
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Gas Burners (AREA)
Abstract
The utility model discloses a full premix burner and full premix boiler. This full premix burner includes the combustor, the ignition needle, the vortex device is used for getting into the combustible gas of combustor carries out the vortex. The utility model provides an embodiment adopts above -mentioned structure to have following advantage at least: the vortex device can carry out the vortex with the gas of inputing in the combustor to deflect to this part gaseous flow direction, the gas fiery hole blowout from being bordering on the ignition needle more after deflecting, thus messenger combustible gas compares in accumulateing more around the ignition needle than prior art, has improved the ignition reliability, the vortex device can be for the whirl board, and the whirl board can also make from the fiery hole spun gas of combustor also comparatively evenly, so comparatively stable the and distribution of flame evenly and then improved combustion efficiency and heat exchange efficiency, improved the long -term operational reliability of combustor, the spoiler can be so that the flue gas after the burning more closely moves improvement heat exchange efficiency around the heat exchange tube.
Description
Technical field
The utility model relate to energy exchange field, particularly relates to a kind of full premix combustion device and full premix boiler.
Background technology
The device of gas fuel burning that full premix combustion device will mix in the premix chamber of blower fan.A part of full premix combustion device in the prior art, is especially applied in full premix field of boilers, can comprises burner, blower fan and ignition electrode etc.After fuel gas enters burner, from the fire hole ejection the sidewall of burner.The fuel gas of burned device ejection is lighted by ignition electrode, and then can light whole fuel gas.
But be through inventor's research to show, the full premix combustion device that full premix combustion device of the prior art, particularly burner draw ratio are larger, its ignition performance is not good.
Utility model content
In the ideal case, the fire hole from the burner nearer apart from ignition electrode sprays by the fuel gas entered in burner.But under the acceleration of blower fan, fuel gas enters in burner with speed faster.Owing to entering the speed of the fuel gas of burner, these fuel gas may can not spray from the fire hole of burner ideally, but spray from the fire hole that the fire hole of the burner distance ignition electrode relative ideal situation is far away.At this moment, accumulate in around ignition electrode from burner ejection fuel gas less, ignition electrode possibly cannot by burner spray fuel gas light.
In the prior art, in order to build up more fuel gas around ignition electrode, the length of ignition electrode can be increased, but longer ignition electrode is compared with shorter ignition electrode more easily produce distortion after being heated.When the distortion of longer ignition electrode acquires a certain degree, ignition electrode is also not easy gas ignition.
Especially, in order to improve the heat exchange efficiency of burner further, designer wishes to obtain the satisfactory burner had compared with big L/D ratio.But when the draw ratio of burner is less, the combustible gas cognition entered in burner produces with burner inner wall collides, and then fast from fire hole ejection, thus fuel gas is sprayed from the fire hole near ignition electrode.For the burner that draw ratio is larger, in order to make full use of the length of burner, need the speed of the gas entering burner larger.The fuel gas entered in burner may be made so usually to move towards the direction away from ignition electrode along the axial of burner, make ignition electrode be difficult to fuel gas to be lighted.
In order to overcome the above-mentioned defect of prior art, technical problem to be solved in the utility model there is provided a kind of full premix combustion device and full premix boiler, and it has preferably ignition performance.
Concrete technical scheme of the present utility model is:
A kind of full premix combustion device, it comprises: burner, and described burner has the entrance for inputting fuel gas, also has fire hole, burns by described fire hole to make described fuel gas at described burner surface; Ignition electrode, is arranged on outside described burner, and closes on the described fire hole of part; Described full premix combustion device also comprises: disturbing flow device, and it is arranged on the porch of described burner, for carrying out flow-disturbing to the fuel gas entering described burner.
Preferably, described disturbing flow device is used for fuel gas to the fire hole place disturbance being close in described ignition electrode.
Preferably, described disturbing flow device comprises spiral board.
Preferably, described ignition electrode is close in the entrance of described burner.
Preferably, cylindrically, the draw ratio of described burner is greater than 2 to described burner.
A kind of full premix boiler, it comprises: housing; Blower fan; At least one heat exchanger tube, described heat exchanger tube is positioned at described housing; As above-mentioned full premix combustion device, described full premix combustion device is positioned at described housing at least in part; The entrance of described burner is communicated with to receive the fuel gas that described blower fan inputs with described blower fan.
Preferably, described full premix boiler also comprises the spoiler corresponding with described heat exchanger tube, described spoiler is between described heat exchanger tube and the inwall of described housing, described spoiler is close in the outer wall of described heat exchanger tube, described spoiler has recess, and the recess of described spoiler is oppositely arranged with the described gap place be connected between two heat exchanger tubes.
Preferably, described heat exchanger tube is multiple, and described full premix boiler comprises: the end socket being arranged on heat exchanger tube two ends described in each, described end socket is provided with multiple installing hole; Limiting plate, described limiting plate is provided with the spacing hole that the installing hole of multiple and described end socket is corresponding, is located on described limiting plate by described spacing hole to make multiple described heat exchanger tube.
Preferably, described end socket is cast by cast iron, and the inner surface of described end socket is provided with enamel.
Preferably, described heat exchanger tube is copper fin pipe, and described heat exchanger tube is integral type structure.
The embodiment of the application adopts said structure at least to have the following advantages:
1, the gas in input burner can be carried out flow-disturbing by disturbing flow device, thus the flow direction of this part gas is deflected, gas after overshoot can more from the fire hole ejection being comparatively bordering on ignition electrode, thus fuel gas is accumulated in around ignition electrode more compared to comparatively prior art, improve igniting reliability;
2, disturbing flow device can be spiral board, and spiral board can also make the gas that sprays from the fire hole of burner also comparatively even, and such flame is comparatively stable and be evenly distributed, and then improves efficiency of combustion and heat exchange efficiency, improves burner longtime running reliability;
3, spoiler can make the flue gas after burning closer around heat exchanger tube motion, improves heat exchange efficiency.
Accompanying drawing explanation
Accompanying drawing described here only for task of explanation, and is not intended to limit the utility model scope of disclosure by any way.In addition, the shape of each parts in figure and proportional sizes etc. are only schematic, for helping understanding of the present utility model, are not the shape and the proportional sizes that specifically limit each parts of the utility model.Those skilled in the art, under instruction of the present utility model, can select various possible shape and proportional sizes to implement the utility model as the case may be.
Fig. 1 shows the structural representation of the embodiment of full premix combustion device in the application.
Fig. 2 shows the structural representation of the full premix combustion device of part in Fig. 1, wherein not shown burner.
Fig. 3 shows the structural representation of spiral board in Fig. 2.
Fig. 4 shows the structural representation of another embodiment of full premix combustion device in the application.
Fig. 5 shows the perspective view of full premix boiler.
Fig. 6 to show in Fig. 5 the schematic diagram of the full premix boiler of part, wherein the parts such as not shown housing, blower fan.
Fig. 7 to show in Fig. 5 the schematic diagram of the full premix boiler of part, wherein the parts such as not shown upper cover.
Fig. 8 show A-A in Fig. 6 to three-dimensional cutaway view.
Fig. 9 shows the front view of full premix boiler.
The Reference numeral of above accompanying drawing is: 10, full premix combustion device; 1, burner; 11, fire hole; 12, jockey; 13, entrance; 2, ignition electrode; 3, disturbing flow device; 31, spiral board; 4, baffle plate; 41, diversion space; 5, housing; 50, chamber; 51, exhanst gas outlet; 6, blower fan; 7, heat exchanger tube; 8, spoiler; 81, recess; 90, upper cover; 91, low head; 92, limiting plate; 93, installing hole; 94, spacing hole; 100, full premix boiler.
Detailed description of the invention
By reference to the accompanying drawings with the description of the utility model detailed description of the invention, can clearly understand details of the present utility model.But detailed description of the invention of the present utility model described here, only for explaining the purpose of this utility model, and can not to be understood as by any way be to restriction of the present utility model.Under instruction of the present utility model, technical staff can conceive based on distortion possible arbitrarily of the present utility model, and these all should be regarded as belonging to scope of the present utility model.
Shown in seeing figures.1.and.2, the embodiment of the present application discloses a kind of full premix combustion device 10, and full premix combustion device 10 comprises burner 1, ignition electrode 2 and disturbing flow device 3.Burner 1 has the entrance 13 for inputting fuel gas.The wall of burner 1 offers the fire hole 11 be communicated with entrance 13, to make described fuel gas by the surface combustion of described fire hole 11 at described burner 1.Ignition electrode 2 is lighted for the fuel gas sprayed by the fire hole 11 from described burner 1.Disturbing flow device 3 is arranged on entrance 13 place of burner 1, for carrying out flow-disturbing to the fuel gas entering burner 1.The gas entered in burner 1 can be carried out flow-disturbing by disturbing flow device 3, thus deflects the flow direction of this part gas, directly pours in burner 1 to avoid the gas of this part.Gas after overshoot can spray from the fire hole 11 being comparatively bordering on ignition electrode more, thus fuel gas is more accumulated in around ignition electrode 2, thus improves the ignition success rate of ignition electrode 2, improves igniting reliability.
Concrete, ignition electrode 2 is arranged on the outside of burner 1.In order to improve the ignition sensitivity of ignition electrode 2, the outer wall that ignition electrode 2 is close in burner 1 is arranged, with the distance between the gas reducing ignition electrode 2 and spray from the fire hole 11 of burner 1.
With reference to shown in Fig. 2 and Fig. 3, disturbing flow device 3 can for being arranged on the spiral board 31 in burner 1.The gas entering spiral board 31 can move towards peripheral direction by centrifugal force by spiral board 31, thus is moved by the inwall of the gas entered in burner 1 to described burner 1.Under the effect of spiral board 31, the easier fire hole 11 from burner 1 of gas arriving burner 1 inwall outwards sprays, and the distribution arriving the gas of burner 1 inwall is comparatively even, thus the gas sprayed from the fire hole 11 of burner 1 is also comparatively even, such flame is comparatively stablized and is evenly distributed, and then improve efficiency of combustion and heat exchange efficiency, improve burner longtime running reliability.Meanwhile, although the flow velocity of spiral board 31 to the gas entered in burner 1 has had certain loss, but because spiral board 31 does not produce not larger impact to the flow velocity of the gas entered in burner 1, thus spiral board 31 equally also goes for the larger situation of the draw ratio of burner 1.In the present embodiment, in order to make combustion even, burner 1 can cylindrically, and the draw ratio of burner 1 can be greater than 2.Even if in order to utilize the length of burner 1 as much as possible, the speed designs of the fuel gas entered in burner 1 is obtained comparatively fast, but owing to have employed the full premix combustion device 10 in the application, still can ensure to be accumulated to enough fuel gas around ignition electrode 2.Thus, the full premix combustion device 10 in the embodiment of the present application not only increases heat exchange efficiency, also improves heat exchange efficiency and igniting reliability.
The arrival end of burner 1 can also be provided with a jockey 12, this jockey 12 for burner 1 and blower fan 6 (specific descriptions see below) are fixed, and by the entrance 11 of burner 1 and the outlet of blower fan 6.In order to improve the ignition performance of ignition electrode 2 further, the fuel gas namely making the fire hole 11 of spontaneous combustion burner 1 spray as much as possible accumulates in around ignition electrode 2, and described disturbing flow device 3 closes on described ignition electrode 2 and arranges.
In order to make full use of the blast tube of burner 1, the entrance that ignition electrode 2 can close on burner 1 is arranged.
With reference to shown in Fig. 4, in another optional embodiment, described disturbing flow device 3 can comprise baffle plate 4, forms diversion space 41 between described baffle plate 4 and described burner 1 inwall.In the present embodiment, gas, when by baffle plate 4, is moved by the inwall of diversion space 41 towards burner 1 under the deflecting action of baffle plate 4.Certain; in other optional embodiments; also should be encompassed in the protection domain of the application as long as disturbing flow device 3 has following functions; namely the gas entered in burner 1 can be carried out break-in; and the fire hole 11 of the gas after overshoot towards burner 1 is moved, so that fuel gas is sprayed from the fire hole 11 of the burner 1 nearer apart from ignition electrode 2 as soon as possible.
With reference to shown in Fig. 5, the embodiment of the present application discloses a kind of full premix boiler 100, and this full premix boiler 100 comprises housing 5, blower fan 6, at least one heat exchanger tube 7 and full premix combustion device 10.Described full premix combustion device 10 is positioned at described housing 5 at least in part.The entrance 13 of described burner 1 is communicated with described blower fan 6, and to receive the fuel gas of described blower fan 6 input, the fire hole 11 of described burner 1 is communicated with the entrance 13 of described burner 1.
Concrete, the exhanst gas outlet 51 (explanation refers to hereafter) that housing 5 has chamber 50 and is communicated with chamber 50.Full premix combustion device 10 is arranged in the chamber 50 of housing 5.The entrance 13 of burner 1 is communicated with the port of export of blower fan 6, thus is received from the fuel gas of blower fan 6 input.
In the present embodiment, blower fan 6 has the premix chamber be communicated with its port of export, the fuel gas inlet end be communicated with described premix chamber and air intake end.Fuel gas inlet end is for being received from the burning gases such as such as natural gas, coal gas etc. of extraneous input.The air that air intake end inputs for being received from the external world, with the oxygen providing burning used.Premix chamber is used for will the burning gases of input and air mixing, and by mist by the port of export of blower fan 6 via in the entrance input full premix combustion device 10 of full premix combustion device 10.
Shown in Fig. 1 and 2, the arrival end of burner 1 can also be provided with a jockey 12, this jockey 12 for burner 1 and blower fan 6 (specific descriptions see below) are fixed, and by the entrance 11 of burner 1 and the outlet of blower fan 6.
In the present embodiment, burner 1 has the gas passage be communicated with the entrance 13 of burner 1, and the sidewall of burner 1 has the multiple fire holes 11 be communicated with gas passage, to be sprayed from fire hole 11 by the fuel gas in the gas passage of burner 1.In order to improve the heat exchange efficiency of full premix boiler 100 further, can by longer for the gas path design of burner 1, to increase heat exchange area.Preferably, in the present embodiment, the length of the gas passage of burner 1 is greater than 0.1 meter.Gas is all lighted by the gas that spontaneous combustion burner 1 sprays under the ignition action of ignition electrode 2, and the flue gas that burning produces is discharged from exhanst gas outlet 51.
With reference to shown in Fig. 5 and Fig. 9, in the present embodiment, the entrance 13 of burner 1 is arranged upward, and the blower fan 6 corresponding with the entrance 13 of burner 1 is positioned at the top of housing 5.Exhanst gas outlet 51 is positioned at the bottom of housing 5.Fuel gas enters in burner 1 from top to bottom, and the flue gas that burning produces also is discharged from exhanst gas outlet 51 substantially from top to bottom.Adopt this kind of structure, blower fan 6 not only by Action of Gravity Field, to improve the flow velocity of fuel gas and flue gas further, can also can be carried by housing 5 by fuel gas and flue gas, to reduce the volume of full premix boiler 100.Certain, in other optional embodiments, the entrance 13 of burner 1 is positioned at the bottom of housing 5, and the blower fan 6 corresponding with the entrance 13 of burner 1 also can be arranged on the bottom of housing 5, and exhanst gas outlet 51 is positioned at the top of housing 5.
With reference to shown in Fig. 5, the arrival end of burner 1 can also be provided with a jockey 12, this jockey 12 for burner 1 and blower fan 6 (specific descriptions see below) are fixed, and by the entrance 11 of burner 1 and the outlet of blower fan 6.
With reference to shown in Fig. 6 to Fig. 8, full premix boiler 100 also comprises the heat exchanger tube 7 for cold fluid flowing be arranged at least partly in described housing 5, and heat exchanger tube 7 has tube-side inlet and tube side outlet, with input and output cold fluid.A large amount of energy that air release after burning goes out, these energy pass to cold fluid by heat exchanger tube 7, to realize energy exchange.
In a preferred embodiment, in order to improve the thermal conductivity factor of heat exchanger tube 7 further, heat exchanger tube 7 is copper fin pipe.Simultaneously in order to reduce the thermal resistivity of heat exchanger tube 7 further, heat exchanger tube 7 is integral type structure.
With reference to shown in Fig. 6 to 8, in another preferred embodiment, described full premix boiler 100 also comprises spoiler 8.Spoiler 8, between heat exchanger tube 7 and the inwall of housing 5, makes the flue gas after burning closer move around heat exchanger tube 7.In order to improve heat exchange efficiency further, spoiler 8 can be close in the outer wall of heat exchanger tube 7.In one preferred embodiment, with reference to shown in Fig. 8, the recess 81 of described spoiler 8 is oppositely arranged with the described gap place be connected between two heat exchanger tubes 7.The recess 81 of such spoiler 8 can reduce the gap between the outer wall of spoiler 8 and each heat exchanger tube 7, to improve heat exchange efficiency further.More preferably, heat exchanger tube 7 can be multiple annular arrangement.The heat exchanger tube 7 of the annular that spoiler 8 is maximum with being in radius is corresponding to be arranged.
In another optional embodiment, with reference to shown in Fig. 6, described full premix boiler 100 comprises multiple heat exchanger tube 7, upper cover 90 and low head 91.Upper cover 90 and low head 91 all there is multiple installing hole 93 for installing heat exchanger tube 7.Heat exchanger tube 7 is arranged on after on low head 91, if directly docked with multiple heat exchanger tube 7 by upper cover 90, because heat exchanger tube 7 may exist certain rocking or certain deviation, because upper cover 90 is heavier, thus can causes the difficulty in installation process.In the present embodiment, with reference to shown in Fig. 7, full premix boiler 100 also comprises limiting plate 92, limiting plate 92 offers multiple spacing hole 94, and multiple spacing hole 94 is all corresponding with the installing hole 93 of upper cover 90 and low head 91.In installation process, can first heat exchanger tube 7 be fixed on limiting plate 92 by spacing hole 94, and then by the integral installation of multiple heat exchanger tube 7 on low head 91 and upper cover 90.Adopt said structure, significantly can reduce installation difficulty.Hinder in order to avoid being formed flue gas, limiting plate 92 can be arranged at least one end in heat exchanger tube about 7 two ends.Preferably, upper cover 90 and/or low head 91 are cast by cast iron, to realize complicated multi-cavity structure.The inner surface of upper cover 90 and/or low head 91 is provided with enamel, to prevent internal rust.
In a preferred embodiment, upper cover 90 has entrance channel and outlet flow, and entrance channel is communicated with the tube-side inlet of heat exchanger tube 7, the tube side outlet of outlet flow and heat exchanger tube 7.Wherein upper cover 90 and low head 91 have multiple corresponding chamber, and each chamber is corresponding with the two ends of multiple heat exchanger tube 7 to be communicated with, and form many backhauls runner to make the fluid of flowing in described heat exchanger tube 7.Such as, in the present embodiment, upper cover 90 has the first upper chamber, the second upper chamber, the 3rd upper chamber and the 4th upper chamber, and wherein the first upper chamber is communicated with entrance channel, 4th upper chamber is communicated with outlet flow, and described second upper chamber is communicated with the 3rd upper chamber.Low head 91 has first lower chambers corresponding with the first upper chamber, second lower chambers corresponding with the second upper chamber, three lower chambers corresponding with the 3rd upper chamber and four lower chambers corresponding with the 4th upper chamber, wherein the first lower chambers is communicated with the second lower chambers, and the 3rd lower chambers is communicated with the 4th lower chambers.Multiple heat exchanger tube 7 is divided into four parts.The upper end of the heat exchanger tube 7 of Part I is communicated with the first upper chamber, and to accept the fluid from the input of the first upper chamber, the lower end of the heat exchanger tube 7 of Part I is communicated with the first lower chambers, to export the fluid after heat exchanger tube 7 heat exchange of Part I.The lower end of the heat exchanger tube 7 of Part II is communicated with the second lower chambers, and to accept the fluid from the first lower chambers input, the upper end of the heat exchanger tube 7 of Part II is communicated with the second upper chamber, to export the fluid after heat exchanger tube 7 heat exchange of Part II.The upper end of the heat exchanger tube 7 of Part III is communicated with the 3rd upper chamber, to accept the fluid from the input of the second upper chamber.The lower end of the heat exchanger tube 7 of Part III is communicated with the 3rd lower chambers, to export the fluid after heat exchanger tube 7 heat exchange of Part III.The lower end of the heat exchanger tube 7 of Part IV is communicated with the 4th lower chambers, and to accept the fluid from the 3rd lower chambers input, the upper end of the heat exchanger tube 7 of Part IV is communicated with the 4th upper chamber, to export the fluid after heat exchanger tube 7 heat exchange of Part IV.Need the fluid of heat exchange after many backhauls runner (full premix boiler 100 is above four backhauls, namely on two twice) motion, heat exchange can be realized comparatively fully.Certain, in other optional embodiments, as long as can meet heat exchange efficiency, the quantity of the backhaul runner of heat exchanger tube 7 and form are also feasible.
Each embodiment in this description all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (10)
1. a full premix combustion device, it comprises:
Burner, described burner has the entrance for inputting fuel gas, also has fire hole, burns by described fire hole to make described fuel gas at described burner surface;
Ignition electrode, is arranged on outside described burner, and closes on the described fire hole of part;
It is characterized in that, described full premix combustion device also comprises:
Disturbing flow device, it is arranged on the porch of described burner, for carrying out flow-disturbing to the fuel gas entering described burner.
2. full premix combustion device according to claim 1, is characterized in that, described disturbing flow device is used for fuel gas to the fire hole place disturbance being close in described ignition electrode.
3. full premix combustion device according to claim 1 and 2, is characterized in that, described disturbing flow device comprises spiral board.
4. full premix combustion device according to claim 1, is characterized in that, described ignition electrode is close in the entrance of described burner.
5. full premix combustion device according to claim 1, is characterized in that, cylindrically, the draw ratio of described burner is greater than 2 to described burner.
6. a full premix boiler, it is characterized in that, it comprises:
Housing;
Blower fan;
At least one heat exchanger tube, described heat exchanger tube is positioned at described housing;
As the full premix combustion device of one of claim 1 to 5, described full premix combustion device is positioned at described housing at least in part; The entrance of described burner is communicated with to receive the fuel gas that described blower fan inputs with described blower fan.
7. full premix boiler according to claim 6, it is characterized in that, described full premix boiler also comprises the spoiler corresponding with described heat exchanger tube, described spoiler is between described heat exchanger tube and the inwall of described housing, described spoiler is close in the outer wall of described heat exchanger tube, described spoiler has recess, and the recess of described spoiler is oppositely arranged with the gap place be connected between two described heat exchanger tubes.
8. full premix boiler according to claim 6, is characterized in that, described heat exchanger tube is multiple, and described full premix boiler comprises:
Be arranged on the end socket at heat exchanger tube two ends described in each, described end socket is provided with multiple installing hole;
Limiting plate, described limiting plate is provided with the spacing hole that the installing hole of multiple and described end socket is corresponding, is located on described limiting plate by described spacing hole to make multiple described heat exchanger tube.
9. full premix boiler according to claim 8, it is characterized in that, described end socket is cast by cast iron, and the inner surface of described end socket is provided with enamel.
10. full premix boiler according to claim 6, is characterized in that, described heat exchanger tube is copper fin pipe, and described heat exchanger tube is integral type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521106176.1U CN205227332U (en) | 2015-12-28 | 2015-12-28 | Full premix burner and full premix boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521106176.1U CN205227332U (en) | 2015-12-28 | 2015-12-28 | Full premix burner and full premix boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205227332U true CN205227332U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521106176.1U Active CN205227332U (en) | 2015-12-28 | 2015-12-28 | Full premix burner and full premix boiler |
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| Country | Link |
|---|---|
| CN (1) | CN205227332U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323257A (en) * | 2018-11-02 | 2019-02-12 | 珠海格力电器股份有限公司 | A kind of all-premixing burner, heat exchanger and wall-hung boiler |
| CN109780537A (en) * | 2019-01-17 | 2019-05-21 | 艾欧史密斯(中国)热水器有限公司 | Full premix combustion device and boiler is premixed entirely |
-
2015
- 2015-12-28 CN CN201521106176.1U patent/CN205227332U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323257A (en) * | 2018-11-02 | 2019-02-12 | 珠海格力电器股份有限公司 | A kind of all-premixing burner, heat exchanger and wall-hung boiler |
| CN109780537A (en) * | 2019-01-17 | 2019-05-21 | 艾欧史密斯(中国)热水器有限公司 | Full premix combustion device and boiler is premixed entirely |
| CN109780537B (en) * | 2019-01-17 | 2024-01-23 | 艾欧史密斯(中国)热水器有限公司 | Full premix burner and full premix boiler |
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