CN203703982U - Combustor and combustion furnace - Google Patents
Combustor and combustion furnace Download PDFInfo
- Publication number
- CN203703982U CN203703982U CN201420064924.3U CN201420064924U CN203703982U CN 203703982 U CN203703982 U CN 203703982U CN 201420064924 U CN201420064924 U CN 201420064924U CN 203703982 U CN203703982 U CN 203703982U
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- China
- Prior art keywords
- gas
- appendix
- burner
- combustion
- low heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model provides a combustor and a combustion furnace. The combustor comprises a tubular shell body and a plurality of parallel-arranged gas conveying sleeve pipes which are arranged in the tubular shell body. The gas conveying sleeve pipes comprise a first gas conveying pipe and a second gas conveying pipe arranged in the first gas conveying pipe. The second gas conveying pipe is used for conveying second gas. A channel between the second gas conveying pipe and the first gas conveying pipe is used for conveying first gas. The first gas and the second gas are evenly mixed at an outlet of the second gas conveying pipe. According to the combustor, mixing of the first gas and the second gas is achieved through the gas conveying sleeve pipes. The gas sleeve pipes mix air and low-heating-value fuel gas in a plurality of gas conveying pipelines, the air and the gas can be evenly mixed, accordingly, burning of the low-heating-value fuel gas is full, heat using rate is improved, and environment pollution is lowered.
Description
Technical field
The utility model relates to vent gas treatment technical field, more particularly, relates to a kind of burner and combustion furnace.
Background technology
In chemical producing system, much production tail gas contains combustible gas component, has certain heat recovery and is worth.In order to improve energy utilization rate and to reduce environmental pollution, need to, to the processing of burning of combustible tail gas, to utilize the heat generating in combustion process, eliminate the dusty gas in tail gas simultaneously.
Tail gas boiler is that the parts that are filled with water are commonly referred to as pot for the boiler of combustion tail gas, production steam, and the parts of heating are commonly referred to as stove.Burner in tail gas boiler is the core that produces steam.Tail gas mixes with air in burner, after light in exit at stove chamber inner combustion, thereby utilize the heat generating in combustion process.
Existing burner is only simply tail gas and air to be carried out to mixed combustion, air evenly can not be mixed with tail gas, causes exhaust combustion insufficient, thereby causes heat utilization ratio low and can cause environmental pollution.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of burner, combustion furnace and fuel gas with low heat value combustion method, has solved the inadequate problem of exhaust combustion, has improved heat utilization ratio, has reduced environmental pollution.
For achieving the above object, the utility model provides following technical scheme:
A kind of burner, for the burning of fuel gas with low heat value, described burner comprises:
Tubular shell;
Be arranged on the multiple gas transmission sleeve pipes that be arranged in parallel in described tubular shell, described gas transmission sleeve pipe comprises: the first appendix, is arranged on the second appendix in described the first appendix;
Wherein, described the second appendix is for delivery of the second gas, and the passage between described the second appendix and described the first appendix is for delivery of the first gas, and described the first gas evenly mixes in the outlet of described the second appendix with described the second gas.
Preferably, in said burner, the gas outlet of described the second appendix is provided with guiding device, described guiding device is set angle ejection for controlling the second gas in described the second appendix with respect to the bearing of trend of described the second appendix, evenly mixes with after the first gas collisions of streamlined flow in the first appendix.
Preferably, in said burner, described guiding device is flat board or the circular cone that is arranged on described the second appendix exit.
Preferably, in said burner, described the first gas is fuel gas with low heat value, and described the second gas is air.
Preferably, in said burner, described the first gas is air, and described the second gas is fuel gas with low heat value.
Preferably, in said burner, the gas outlet of described the first appendix is provided with spiral board combustion head.
Preferably, in said burner, the maximum combustion temperature of described fuel gas with low heat value is not more than 1100 ℃.
Preferably, in said burner, also comprise:
For the see-through window of observing mist combustion case, described see-through window is arranged on one end that described tubular shell deviates from its gas outlet.
The utility model also provides a kind of combustion furnace, and described combustion furnace comprises: the burner described in above-mentioned any one embodiment.
Utility model
Can find out from technique scheme, the utility model provides a kind of burner, combustion furnace and fuel gas with low heat value combustion method, described burner is realized mixing of the first gas and the second gas by multiple gas transmission sleeve pipes, in described the first gas and the second gas, one is fuel gas with low heat value, and one is air.Described gas transmission sleeve pipe is divided into multiple air delivering pipelines by air and fuel gas with low heat value and mixes, and makes the more even of the two mixing, thereby makes fuel gas with low heat value burning more abundant, has improved heat utilization ratio, has reduced environmental pollution.Therefore, described in comprise the combustion furnace of described burner and adopt the fuel gas with low heat value combustion method of described combustion furnace, can make equally tail gas (being fuel gas with low heat value) burning more abundant, improved heat utilization ratio, reduced environmental pollution.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of a kind of burner that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the partial enlarged drawing of elliptic region in Fig. 1;
The structural representation of the another kind of guiding device that Fig. 3 provides for the utility model embodiment;
Fig. 4 is the profile of Fig. 1 along A-A direction;
Fig. 5 is the top view of Fig. 1.
The specific embodiment
Just as described in the background section, existing burner is only simply tail gas and air to be carried out to mixed combustion, air evenly can not be mixed with tail gas, causes exhaust combustion insufficient, thereby causes heat utilization ratio low and can cause environmental pollution.
Inventor studies discovery, can, by adjusting the hybrid mode of air and fuel gas with low heat value, air be mixed respectively by multiple pipelines with fuel gas with low heat value, can make the even of the two mixing, makes the more abundant of exhaust combustion.
Based on above-mentioned research, the utility model provides a kind of burner, for the burning of fuel gas with low heat value, and the low-calorie tail gas that described fuel gas with low heat value generates including, but not limited to industrial production system, this burner comprises:
Tubular shell;
Be arranged on the multiple gas transmission sleeve pipes that be arranged in parallel in described tubular shell, described gas transmission sleeve pipe comprises: the first appendix, is arranged on the second appendix in described the first appendix;
Wherein, described the second appendix is for delivery of the second gas, and the passage between described the second appendix and described the first appendix is for delivery of the first gas, and described the first gas evenly mixes in the outlet of described the second appendix with described the second gas.
Visible, burner described in the utility model is realized mixing of the first gas and the second gas by multiple gas transmission sleeve pipes, and in described the first gas and the second gas, one is fuel gas with low heat value, and one is air.Described gas transmission sleeve pipe is divided into multiple air delivering pipelines by air and fuel gas with low heat value and mixes, and makes the more even of the two mixing, thereby makes fuel gas with low heat value burning more abundant, has improved heat utilization ratio, has reduced environmental pollution.
It is more than the application's core concept, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
A lot of details are set forth in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here and implement, those skilled in the art can do similar popularization without prejudice to the utility model intension in the situation that, and therefore the utility model is not subject to the restriction of following public specific embodiment.
Secondly, the utility model is described in detail in conjunction with schematic diagram, in the time that the utility model embodiment is described in detail in detail; for ease of explanation; the schematic diagram of indication device structure can be disobeyed general ratio and be done local amplification, and described schematic diagram is example, and it should not limit the scope of the utility model protection at this.In addition in actual fabrication, should comprise, the three-dimensional space of length, width and height.
Based on above-mentioned thought, the application's a embodiment provides a kind of burner, and for the burning of fuel gas with low heat value, with reference to figure 1 and Fig. 2, described burner comprises: tubular shell 1; Be arranged on the multiple gas transmission sleeve pipes that be arranged in parallel in described tubular shell 1, described gas transmission sleeve pipe comprises: the first appendix 2 and be arranged on the second appendix 3 in described the first appendix 2.Sleeve pipe described in the present embodiment is all corresponding first appendixs 2 of the second appendix 3, in other embodiments, multiple the second appendixs 3 can also be set in first appendix 2.
Wherein, described the second appendix 3 is for delivery of the second gas, and the passage between described the second appendix 3 and described the first appendix 2 is for delivery of the first gas, and described the first gas evenly mixes in the outlet of described the second appendix with described the second gas.One of them is air for described the first gas and the second gas, and another is fuel gas with low heat value.
Described in the present embodiment, burner adopts multiple sleeve pipes to carry and mixing air and fuel gas with low heat value, air is mixed with a fuel gas with low heat value point multichannel, can make the more even of the two mixing, make exhaust combustion abundant, reduce and pollute, simultaneously by controlling the size of the first appendix and the second appendix, can accurately control the mixed proportion of air and tail gas, make the two proportioning in tail gas best combustion proportioning, reach the maximum temperature of exhaust combustion, improve the utilization rate of heat.
In the present embodiment, described the second appendix 3 is for delivery of air, and the passage between the second appendix 3 and the first Gas Pipe 2 is for delivery of fuel gas with low heat value, and described the second gas is air, and described the second gas is fuel gas with low heat value.In other embodiments, can also carry fuel gas with low heat value by described the second appendix 3, carry air by the passage between the second appendix 3 and the first appendix 2, described the second gas is fuel gas with low heat value, and described the first gas is air.
Be provided with the first air inlet 5 and the second air inlet 6 in the side of described tubular shell 1.Channel connection between the first appendix 2 and second appendix 3 of described the first air inlet 5 and all sleeve pipes, for transmitting described the first gas.Described the second air inlet 6 is communicated with the second appendix 3 of all sleeve pipes, for transmitting described the second gas.
Be provided with guiding device 4 in the gas outlet of each the second appendix 3, described guiding device 4 is dull and stereotyped, described guiding device 4 is set angle β ejection for the second gas of controlling in described the second appendix 3 with respect to the bearing of trend of place the second appendix, evenly mix with after the first gas collisions in the first appendix 2 interior streamlined flow, what can make that the first gas mixes with the second gas is more even, and can mix more fast.Wherein, the exit direction of the first gas is as shown in dotted arrow in Fig. 2, and the exit direction of described the second gas is as shown in solid arrow in Fig. 2.Can be by controlling the distance control β size of dull and stereotyped area and described the second appendix gas outlet of dull and stereotyped distance.
Inventor finds, while setting 55 °≤β≤90 °, what bump and can mix with the first gas of direct current outgoing is more even, and the mixing ratio that can realize air and fuel gas with low heat value is more even, makes sufficient combustion.
As shown in Figure 3, described guiding device 4 can also be circular cone.The top of circular cone is towards corresponding the second appendix gas outlet.Can be by controlling the area of bottom circle and the height control β size of circular cone of circular cone.
Be provided with spiral board combustion head 7 in the gas outlet of each the first appendix 2, mixed the first gas and the second gas are mixed again through the spiral board of described spiral board combustion head 7.After mist penetrates described spiral board combustion head 7 and rotates in body of heater, gas molecule can mutually collide and occur to mix for the third time in burner hearth.
Described in the present embodiment, burner can be used for the fuel gas with low heat value that maximum combustion temperature is not more than 1100 ℃, as can be used for formaldehyde exhaust combustion.Described burner uses in formaldehyde combustion furnace, can make ignition temperature reach more than 800 ℃, and ignition temperature improves 200 ℃, and tail gas combustible is reduced to below 400ppm.Described in the present embodiment, burner is that the ignition temperature of fuel gas with low heat value is not more than 1100 ℃ by described fuel gas with low heat value and air mixing after-combustion, and therefore the two can directly burn at combustion head place after mixing.
The one end that deviates from gas outlet at described tubular shell 1 is provided with igniter 9 and watch window 8.Described igniter 8 is for the fire hole that is arranged on gas outlet place is carried out to ignition operation, and to light mixed gas, described watch window 8 is communicated with the window at described gas outlet place, for observing combustion case.
With reference to figure 4, Fig. 4 is the structural representation of Fig. 1 at A-A side's directional profile, and the size of the number of tubular outer shell 1 inner sleeve, the first appendix 2 of sleeve pipe and the second appendix 3 can be according to burning requirements set.In the present embodiment, be provided with the first fire hole a1 and second point fire hole a2 for being connected with igniter 9, mist is lighted a fire, be provided with the first window b1 and the second window b2 for being communicated with described watch window 8, for observing combustion case.
Space between sleeve pipe can, so that high-temperature gas circulates at high tube outer surface, be heated the first gas in sleeve pipe, is convenient to fuel gas with low heat value in mixed burning.
With reference to figure 5, Fig. 5 is the top view of Fig. 1, comprising: the first air inlet 5, the second air inlet 6, the first fire hole a1, second point fire hole a2, the first window b1, the second window b2 and be arranged on the spiral board combustion head 7 of the gas outlet of each the first appendix 2 appendixs.
In other embodiments, the public spiral board combustion head that an area is identical with described gas outlet area can also be set at the gas outlet place of described tubular shell 1.Described public spiral board combustion head comprises: comprising: outside spiral board, inner side spiral board and be positioned at the burner port that center is position.Described outside spiral board can be set and inner side spiral board size is identical, the blade of the two is staggered installation of, significantly to reduce gas flow rate.Described outside spiral board also can be set and be greater than described inner side spiral board, now, described inward eddy plate surrounds described combustion head, and described outer spiral board surrounds described inward eddy plate, and described inward eddy plate is positioned at the side of described outer eddy flow backboard from described gas outlet.
Known by foregoing description, burner described in the present embodiment: one, can accurately control by the size of number, the first sleeve pipe and the second sleeve pipe of described sleeve pipe is set the proportioning of air and fuel gas with low heat value, can accurately control the best proportioning of fuel gas with low heat value burning, reach the maximum temperature of exhaust combustion, improve heat utilization ratio; Two, carry gas to refer in fact mix by multi-pipeline, can make gas mix, and by described guiding device is set, increase gas molecule collision, make gas mix more all with; Three, by described spiral board combustion head, be gas through mixing for the second time, further improve the uniformity that gas mixes, make burning more abundant; Four, through multiple spiral board combustion heads again mix and light after gas can rotate into stove chamber inner combustion, due to rotatory inertia, can in burner hearth, there is to continue collision in gas molecule, make fuel gas have the more chance contacting with oxygen, improve combustion rate, improved the utilization rate of heat, further reduce and pollute; Five, high-temperature gas flows at bushing outer surface, can carry out preheating to the gas in sleeve pipe, has the burning that utilizes low-calorie combustion gas, improves efficiency of combustion, makes burning more abundant.
In sum, adopt burner described in the present embodiment to carry out vent gas treatment, make sufficient combustion, improve heat utilization ratio, reduce and pollute.
The application another embodiment provide a kind of combustion furnace, and described combustion furnace comprises the burner described in above-described embodiment.Combustion furnace described in the present embodiment, adopts said burner, improves the utilization rate of ability, and has reduced pollution.
Another embodiment of the application also provides a kind of fuel gas with low heat value combustion method, and described fuel gas with low heat value combustion method adopts above-mentioned combustion furnace that fuel gas with low heat value is evenly mixed to after-combustion, can reduce pollution, and the utilization rate of heat is high.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a burner, for the burning of fuel gas with low heat value, is characterized in that, comprising:
Tubular shell;
Be arranged on the multiple gas transmission sleeve pipes that be arranged in parallel in described tubular shell, described gas transmission sleeve pipe comprises: the first appendix, is arranged on the second appendix in described the first appendix;
Wherein, described the second appendix is for delivery of the second gas, and the passage between described the second appendix and described the first appendix is for delivery of the first gas, and described the first gas evenly mixes in the outlet of described the second appendix with described the second gas.
2. burner according to claim 1, it is characterized in that, the gas outlet of described the second appendix is provided with guiding device, described guiding device is set angle ejection for controlling the second gas in described the second appendix with respect to the bearing of trend of described the second appendix, evenly mixes with after the first gas collisions of streamlined flow in the first appendix.
3. burner according to claim 2, is characterized in that, described guiding device is flat board or the circular cone that is arranged on described the second appendix exit.
4. burner according to claim 1, is characterized in that, described the first gas is fuel gas with low heat value, and described the second gas is air.
5. burner according to claim 1, is characterized in that, described the first gas is air, and described the second gas is fuel gas with low heat value.
6. burner according to claim 1, is characterized in that, the gas outlet of described the first appendix is provided with spiral board combustion head.
7. according to the burner described in claim 1-6 any one, it is characterized in that, the maximum combustion temperature of described fuel gas with low heat value is not more than 1100 ℃.
8. according to the burner described in claim 1-6 any one, it is characterized in that, also comprise:
For the see-through window of observing mist combustion case, described see-through window is arranged on one end that described tubular shell deviates from its gas outlet.
9. a combustion furnace, is characterized in that, comprising: the burner as described in claim 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420064924.3U CN203703982U (en) | 2014-02-12 | 2014-02-12 | Combustor and combustion furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420064924.3U CN203703982U (en) | 2014-02-12 | 2014-02-12 | Combustor and combustion furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203703982U true CN203703982U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420064924.3U Expired - Fee Related CN203703982U (en) | 2014-02-12 | 2014-02-12 | Combustor and combustion furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203703982U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871117A (en) * | 2017-02-27 | 2017-06-20 | 和烁（张家港）热能设备有限公司 | A kind of burner suitable for fuel gas with low heat value |
| CN106895407A (en) * | 2017-04-14 | 2017-06-27 | 北京智燃天成科技有限公司 | A kind of multitube fuel gas mixing machine using blender in pipe |
| CN107036098A (en) * | 2017-04-14 | 2017-08-11 | 北京智燃天成科技有限公司 | A kind of multitube fuel gas mixing machine of monocline tubular type outlet |
-
2014
- 2014-02-12 CN CN201420064924.3U patent/CN203703982U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871117A (en) * | 2017-02-27 | 2017-06-20 | 和烁（张家港）热能设备有限公司 | A kind of burner suitable for fuel gas with low heat value |
| CN106871117B (en) * | 2017-02-27 | 2018-11-23 | 和烁（张家港）热能设备有限公司 | A kind of burner suitable for fuel gas with low heat value |
| CN106895407A (en) * | 2017-04-14 | 2017-06-27 | 北京智燃天成科技有限公司 | A kind of multitube fuel gas mixing machine using blender in pipe |
| CN107036098A (en) * | 2017-04-14 | 2017-08-11 | 北京智燃天成科技有限公司 | A kind of multitube fuel gas mixing machine of monocline tubular type outlet |
| CN107036098B (en) * | 2017-04-14 | 2019-10-11 | 北京智燃天成科技有限公司 | A kind of multitube fuel gas mixing machine of monocline tubular type outlet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20200212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |