CN106642127A - Mandatory all-over three-dimensional gas mixing chamber - Google Patents
Mandatory all-over three-dimensional gas mixing chamber Download PDFInfo
- Publication number
- CN106642127A CN106642127A CN201611043074.9A CN201611043074A CN106642127A CN 106642127 A CN106642127 A CN 106642127A CN 201611043074 A CN201611043074 A CN 201611043074A CN 106642127 A CN106642127 A CN 106642127A
- Authority
- CN
- China
- Prior art keywords
- mixing chamber
- gas
- nozzle
- dimensional
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007921 spray Substances 0.000 claims abstract description 26
- 238000002485 combustion reaction Methods 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims description 37
- 239000000567 combustion gas Substances 0.000 claims description 36
- 238000005496 tempering Methods 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- 239000003546 flue gas Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 abstract description 6
- 230000003068 static effect Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010304 firing Methods 0.000 abstract 1
- 230000035939 shock Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
- F23D14/64—Mixing devices; Mixing tubes with injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/82—Preventing flashback or blowback
- F23D14/825—Preventing flashback or blowback using valves
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention belongs to the technical field of gas mixture application, in particular to disclose a mandatory all-over three-dimensional gas mixing chamber. The gas mixing chamber comprises a pipeline, an air inlet placed on the pipeline, a gas duct mounted a flange, a gas duct placed inside the gas duct mounted a flange, and a nozzle placed at the end of the gas duct, wherein the nozzle is evenly provided with a plurality of spray orifices, and the connecting section of the gas duct and the nozzle is a curving structure. The mandatory all-over three-dimensional gas mixing chamber has the advantages of being reasonable in design structure, evenly and high efficient in mixing the gas and the air, meeting the burning gas requirement of the mandatory all-over static surface combustion system, low in CO and NOx emissions by evenly mixing and sufficiently burning, realizing the production requirement of energy-saving and emission reduction, effectively prolonging the service of the firing level, reducing the cost on businesses, effectively solving the problem of temper and guarantying the safety of mixed workloads by the increased overpressure air outlet valve.
Description
Technical field
The invention belongs to combustion gas mixing applied technical field, and in particular to force the three-dimensional mixing chamber of full premix, it is adaptable to fire
In efficient, uniform, the safe mixture operation of gas.
Background technology
The full premix combustion of fuel gas, high combustion efficiency, CO and NOx emission it is low, with significant energy-saving and emission-reduction feature,
Its major air must be more uniform with combustion gas mixing, and fired state is better.
Air is sufficiently mixed after-combustion with combustion gas is heated evenly can combustion front, be conducive to the combustion front for extending costliness to use
Life-span, and the CO and NOx emission of generation of burning are lower.For mixing chamber, air is mixed with combustion gas by stoichiometric ratio
Afterwards, empty, combustion mixed gas danger are high more than pure combustion gas, are heated and are possible to blast, therefore should try one's best in actual design
Reduce the volume of mixing chamber.
And for some medium and small enterprises, it carries out mixed gas operation, its cost according to the gas mixing device of drive
Too high, increase business economic cost, while can also increase combustion apparatus fault rate, reduces production operation efficiency, so how
A kind of simple effective, air of small volume of research and gas mixing unit, to full premix combustion, particularly premix static surface entirely
The application of combustion system with promote extremely important, and this is current urgently to be resolved hurrily.
Therefore, based on the problems referred to above, the present invention is provided and forces the three-dimensional mixing chamber of full premix.
The content of the invention
Goal of the invention：It is an object of the invention to provide force the three-dimensional mixing chamber of full premix, its design structure rationally, combustion gas with
Air mix homogeneously, efficiently, can guarantee that the burning gases requirement of full premix static surface combustion system, meanwhile, its mix homogeneously,
Abundant CO, the NOx emission of burning is low and can effectively extend the service life of combustion front, reduces the Financial cost of enterprise, and increase
Superpressure exhaust-valve, then effectively solve the problems, such as tempering, it is ensured that the safety of mixture operation.
Technical scheme：The present invention is provided and forces the three-dimensional mixing chamber of full premix, including pipeline, and the air being arranged on pipeline
Air inlet, gas conduct pipe mounting flange, and the gas conduct pipe being arranged in gas conduct pipe mounting flange, and it is arranged on gas conduct pipe
The nozzle of end, wherein, several spray orifices are evenly arranged with nozzle, and gas conduct pipe is set to bending with the connecting portion of nozzle
Shape structure.
The technical program, it is described to force the three-dimensional mixing chamber of full premix, also including being arranged on pipeline and positioned at mixing chamber
Side extension diameter section, wherein, extension diameter section is flared structure.
The technical program, it is described to force the three-dimensional mixing chamber of full premix, also including being arranged on pipeline and positioned at extension diameter section
The superpressure exhaust-valve of side, wherein, superpressure exhaust-valve is used to evacuate the mixed gas and tempering flue gas in mixing chamber.
The technical program, combustion gas emission direction and the mixing chamber axis of several spray orifices being uniformly arranged on the nozzle
Fully scatter in mixing chamber after combustion gas and inner-walls of duct shock, with axis direction into the angle α more than 0 less than 90 in direction
Air be sufficiently mixed；The combustion gas emission direction of several spray orifices being uniformly arranged on the nozzle and spray orifice and mixing chamber axis
The plane at place forms the angle β more than 0 less than 90, and combustion gas forms three-dimensional and scatters after clashing into shell in mixing chamber, with
The air of axis direction is sufficiently mixed.
The technical program, the gas conduct pipe may also be configured to cylindrical structural with the connecting portion of nozzle；Wherein, it is described
The combustion gas emission direction of several spray orifices being uniformly arranged on nozzle is with mixing chamber axis direction into the angle more than 0 less than 90
α, fully scatters after combustion gas and inner-walls of duct shock in mixing chamber, is sufficiently mixed with the air of axis direction；On the nozzle
The combustion gas emission direction of several spray orifices being uniformly arranged is formed with the plane that spray orifice and mixing chamber axis are located and is less than more than 0
90 angle β, combustion gas forms three-dimensional and scatters after clashing into shell in mixing chamber, is sufficiently mixed with the air of axis direction.
Compared with prior art, the beneficial effect of the three-dimensional mixing chamber of the full premix of pressure of the invention is：Its design structure
Rationally, combustion gas is mixed homogeneously, efficiently with air, can guarantee that the burning gases requirement of full premix static surface combustion system, meanwhile,
Its mix homogeneously, burn abundant CO, NOx emission are low, realize energy-saving and emission-reduction production requirement and can effectively extend the use of combustion front
Life-span, the Financial cost of reduction enterprise, and increased superpressure exhaust-valve, then effectively solve the problems, such as tempering, it is ensured that mixing
The safety of operation.
Description of the drawings
Fig. 1 is the structural representation of the three-dimensional mixing chamber of the full premix of pressure of the present invention；
Fig. 2 is that the Nozzle of the three-dimensional mixing chamber of the full premix of pressure of the present invention shows with the structure of mixing chamber axis direction angle α
It is intended to；
Fig. 3 is the combustion gas emission direction and spray orifice and mixing chamber axis direction angle of the three-dimensional mixing chamber of the full premix of pressure of the present invention
The structural representation of β；
The structural representation of another embodiment of the three-dimensional mixing chamber of the full premix of pressure of Fig. 4, Fig. 5 and Fig. 6 present invention；
Wherein, sequence number mark is as follows in figure：1- pipelines, 2- gas conduct pipes, 3- nozzles, 4- superpressure exhaust-valves, 5- air inlets,
6- gas conduct pipe mounting flanges.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is further elucidated.
Embodiment one
Pressure as shown in Figure 1, Figure 2 and Figure 3 premixes three-dimensional mixing chamber, including pipeline 1, and the air being arranged on pipeline 1 entirely
Air inlet 5, gas conduct pipe mounting flange 6, and the gas conduct pipe 2 being arranged in gas conduct pipe mounting flange 6, and it is arranged on combustion gas
The nozzle 3 of the end of conduit 2, wherein, several spray orifices, and the connecting portion of gas conduct pipe 2 and nozzle 3 are evenly arranged with nozzle 3
It is set to Curved structure.
It is further preferred that force the three-dimensional mixing chamber of full premix, also including being arranged on pipeline 1 and positioned at mixing chamber side
Extension diameter section, wherein, extension diameter section is flared structure, and extension diameter section utilizes venturi principle, further promotes air mixed with combustion gas
Close；The three-dimensional mixing chamber of full premix is forced, also including being arranged on pipeline 1 and positioned at the superpressure exhaust-valve 4 of extension diameter section side, its
In, superpressure exhaust-valve 4 is used to evacuate the mixed gas and tempering flue gas in mixing chamber（It is automatically or manually controlled）, wherein, automatically
Superpressure exhaust-valve 4 can be used in combination with the pressure transducer in pipeline 1 in control, and using control module pressure transducer is received
The pressure information for being fed back, control drives superpressure exhaust-valve 4 to start or shut down（When back-fire trouble occurs, pressure in mixing chamber
Abnormal to raise, superpressure exhaust-valve 4 starts, and evacuates mixed gas, tempering flue gas in mixing chamber, is that control system cut-out combustion gas is striven
Take more times）；And the combustion gas emission direction of several spray orifices being uniformly arranged on nozzle 3 and mixing chamber axis direction are into big
Fully scatter in mixing chamber after 0 angle α less than 90, combustion gas and the inwall of pipeline 1 shock, fill with the air of axis direction
Divide mixing, and the combustion gas emission direction of several spray orifices being uniformly arranged on nozzle 3 and putting down that spray orifice and mixing chamber axis are located
Face forms the angle β more than 0 less than 90, and combustion gas forms three-dimensional and scatters after clashing into shell in mixing chamber, with axis direction
Air be sufficiently mixed.
The pressure of this structure premixes three-dimensional mixing chamber entirely, it is adaptable to the big full premix static surface burning system of combustion power
System.
Embodiment two
Pressure as shown in Figure 4, Figure 5 and Figure 6 premixes three-dimensional mixing chamber, including pipeline 1, and the air being arranged on pipeline 1 entirely
Air inlet 5, gas conduct pipe mounting flange 6, and the gas conduct pipe 2 being arranged in gas conduct pipe mounting flange 6, and it is arranged on combustion gas
The nozzle 3 of the end of conduit 2, wherein, several spray orifices, and the connecting portion of gas conduct pipe 2 and nozzle 3 are evenly arranged with nozzle 3
For cylindrical structural（Relative to its low cost of embodiment one）.
It is further preferred that force the three-dimensional mixing chamber of full premix, also including being arranged on pipeline 1 and positioned at mixing chamber side
Extension diameter section, wherein, extension diameter section is flared structure, and extension diameter section utilizes venturi principle, further promotes air mixed with combustion gas
Close；The three-dimensional mixing chamber of full premix is forced, also including being arranged on pipeline 1 and positioned at the superpressure exhaust-valve 4 of extension diameter section side, its
In, superpressure exhaust-valve 4 is used to evacuate the mixed gas and tempering flue gas in mixing chamber（It is automatically or manually controlled）, wherein, automatically
Superpressure exhaust-valve 4 can be used in combination with the pressure transducer in pipeline 1 in control, and using control module pressure transducer is received
The pressure information for being fed back, control drives superpressure exhaust-valve 4 to start or shut down（When back-fire trouble occurs, pressure in mixing chamber
Abnormal to raise, superpressure exhaust-valve 4 starts, and evacuates mixed gas, tempering flue gas in mixing chamber, is that control system cut-out combustion gas is striven
Take more times）；And the combustion gas emission direction of several spray orifices being uniformly arranged on nozzle 3 and mixing chamber axis direction are into big
Fully scatter in mixing chamber after 0 angle α less than 90, combustion gas and the inwall of pipeline 1 shock, fill with the air of axis direction
Divide mixing, and the combustion gas emission direction of several spray orifices being uniformly arranged on nozzle 3 and putting down that spray orifice and mixing chamber axis are located
Face forms the angle β more than 0 less than 90, and combustion gas forms three-dimensional and scatters after clashing into shell in mixing chamber, with axis direction
Air be sufficiently mixed.
The pressure of this structure premixes three-dimensional mixing chamber entirely, it is adaptable to the little full premix static surface burning system of combustion power
System.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvement can also be made, these improvement also should be regarded as the present invention's
Protection domain.
Claims (5)
1. the three-dimensional mixing chamber of full premix is forced, it is characterised in that：Including pipeline（1）, and it is arranged on pipeline（1）On air inlet
Mouthful（5）, gas conduct pipe mounting flange（6）, and it is arranged on gas conduct pipe mounting flange（6）Interior gas conduct pipe（2）, and be arranged on
Gas conduct pipe（2）The nozzle of end（3）, wherein, nozzle（3）On be evenly arranged with several spray orifices, and gas conduct pipe（2）With spray
Mouth（3）Connecting portion be set to Curved structure.
It is 2. according to claim 1 to force the three-dimensional mixing chamber of full premix, it is characterised in that：It is described to force full premix three-dimensional mixed
Air chamber, also including being arranged on pipeline（1）Go up and positioned at mixing chamber side extension diameter section, wherein, extension diameter section is flared structure.
It is 3. according to claim 1 and 2 to force the three-dimensional mixing chamber of full premix, it is characterised in that：It is described to force full premix three
Dimension mixing chamber, also including being arranged on pipeline（1）Above and positioned at the superpressure exhaust-valve of extension diameter section side（4）, wherein, superpressure exhaust-valve
（4）For evacuating the mixed gas in mixing chamber and tempering flue gas.
It is 4. according to claim 1 to force the three-dimensional mixing chamber of full premix, it is characterised in that：The nozzle（3）On uniformly set
The combustion gas emission direction of several spray orifices put is with mixing chamber axis direction into the angle α more than 0 less than 90, combustion gas and pipeline
（1）Inwall fully scatters after clashing in mixing chamber, is sufficiently mixed with the air of axis direction；The nozzle（3）On uniformly set
The plane that the combustion gas emission direction of several spray orifices put is located with spray orifice and mixing chamber axis forms the folder more than 0 less than 90
Angle beta, combustion gas forms three-dimensional and scatters after clashing into shell in mixing chamber, is sufficiently mixed with the air of axis direction.
It is 5. according to claim 1 to force the three-dimensional mixing chamber of full premix, it is characterised in that：The gas conduct pipe（2）With spray
Mouth（3）Connecting portion may also be configured to cylindrical structural；Wherein, the nozzle（3）On the combustion of several spray orifices that is uniformly arranged
Gas blowout outgoing direction is with mixing chamber axis direction into the angle α more than 0 less than 90, combustion gas and pipeline（1）Inwall is being mixed after clashing into
Fully scatter in air chamber, be sufficiently mixed with the air of axis direction；The nozzle（3）On the combustion of several spray orifices that is uniformly arranged
The plane that gas blowout outgoing direction is located with spray orifice and mixing chamber axis forms the angle β more than 0 less than 90, and combustion gas is clashed into shell
Afterwards three-dimensional is formed in mixing chamber to scatter, be sufficiently mixed with the air of axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611043074.9A CN106642127A (en) | 2016-11-24 | 2016-11-24 | Mandatory all-over three-dimensional gas mixing chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611043074.9A CN106642127A (en) | 2016-11-24 | 2016-11-24 | Mandatory all-over three-dimensional gas mixing chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106642127A true CN106642127A (en) | 2017-05-10 |
Family
ID=58812331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611043074.9A Pending CN106642127A (en) | 2016-11-24 | 2016-11-24 | Mandatory all-over three-dimensional gas mixing chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106642127A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062212A (en) * | 2017-05-22 | 2017-08-18 | 北京醇能科技有限公司 | A kind of low boiling fuel-staged combustion device and its system |
| CN109317449A (en) * | 2018-11-27 | 2019-02-12 | 奥士康科技股份有限公司 | A kind of pcb board automatic turnover cleaning device |
| CN109433701A (en) * | 2018-11-27 | 2019-03-08 | 奥士康科技股份有限公司 | A kind of pcb board cleaning device |
| CN109548296A (en) * | 2018-12-28 | 2019-03-29 | 奥士康科技股份有限公司 | A kind of pcb board cutting cleaning integrated apparatus |
| CN110492139A (en) * | 2019-08-02 | 2019-11-22 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of gas mixing device for hydrogen fuel cell |
| CN114353085A (en) * | 2020-09-30 | 2022-04-15 | 芜湖美的厨卫电器制造有限公司 | Premixing assembly, combustion assembly and heating equipment |
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| EP2199674A1 (en) * | 2008-12-19 | 2010-06-23 | ALSTOM Technology Ltd | Burner of a gas turbine |
| CN102374536A (en) * | 2011-11-11 | 2012-03-14 | 金艺 | Gas burner for premixing automatically-sucked air |
| CN202303377U (en) * | 2011-09-15 | 2012-07-04 | 牛健禄 | High-speed spray gun for fully-premixed fuel gas |
| CN104613473A (en) * | 2015-01-30 | 2015-05-13 | 中国东方电气集团有限公司 | Multi-hole fuel gas jet flow burner |
| CN205048437U (en) * | 2015-07-31 | 2016-02-24 | 广州中国科学院工业技术研究院 | Mix gas combustion ignition system in advance |
| CN206280969U (en) * | 2016-11-24 | 2017-06-27 | 兴化市紫邦燃器具科技有限公司 | Force the three-dimensional mixing chamber of full premix |
-
2016
- 2016-11-24 CN CN201611043074.9A patent/CN106642127A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2199674A1 (en) * | 2008-12-19 | 2010-06-23 | ALSTOM Technology Ltd | Burner of a gas turbine |
| CN202303377U (en) * | 2011-09-15 | 2012-07-04 | 牛健禄 | High-speed spray gun for fully-premixed fuel gas |
| CN102374536A (en) * | 2011-11-11 | 2012-03-14 | 金艺 | Gas burner for premixing automatically-sucked air |
| CN104613473A (en) * | 2015-01-30 | 2015-05-13 | 中国东方电气集团有限公司 | Multi-hole fuel gas jet flow burner |
| CN205048437U (en) * | 2015-07-31 | 2016-02-24 | 广州中国科学院工业技术研究院 | Mix gas combustion ignition system in advance |
| CN206280969U (en) * | 2016-11-24 | 2017-06-27 | 兴化市紫邦燃器具科技有限公司 | Force the three-dimensional mixing chamber of full premix |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062212A (en) * | 2017-05-22 | 2017-08-18 | 北京醇能科技有限公司 | A kind of low boiling fuel-staged combustion device and its system |
| CN107062212B (en) * | 2017-05-22 | 2023-11-07 | 北京醇能科技有限公司 | Low boiling point fuel staged combustion device and system thereof |
| CN109317449A (en) * | 2018-11-27 | 2019-02-12 | 奥士康科技股份有限公司 | A kind of pcb board automatic turnover cleaning device |
| CN109433701A (en) * | 2018-11-27 | 2019-03-08 | 奥士康科技股份有限公司 | A kind of pcb board cleaning device |
| CN109548296A (en) * | 2018-12-28 | 2019-03-29 | 奥士康科技股份有限公司 | A kind of pcb board cutting cleaning integrated apparatus |
| CN110492139A (en) * | 2019-08-02 | 2019-11-22 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of gas mixing device for hydrogen fuel cell |
| CN110492139B (en) * | 2019-08-02 | 2024-03-12 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Gas mixing device for hydrogen fuel cell |
| CN114353085A (en) * | 2020-09-30 | 2022-04-15 | 芜湖美的厨卫电器制造有限公司 | Premixing assembly, combustion assembly and heating equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170510 |