CN205878158U - Vane type gas air premixing device - Google Patents
Vane type gas air premixing device Download PDFInfo
- Publication number
- CN205878158U CN205878158U CN201620527937.9U CN201620527937U CN205878158U CN 205878158 U CN205878158 U CN 205878158U CN 201620527937 U CN201620527937 U CN 201620527937U CN 205878158 U CN205878158 U CN 205878158U
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- gas
- air
- vane type
- mixed
- mixing apparatus
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Abstract
The utility model discloses a vane type gas air premixing device, the device includes the fan, the wind pressure adjusting device, gas adjusting device, prechamber, mixed gas chamber, a frequency converter, a motor, a crankshaft position sensor, a switching power supply and a digital frequency meter, multiple -blade formula impeller, the air is sent into through the fan, the gas gets into through the gas pipe, afterwards behind gas adjusting device and wind pressure adjusting device separately, the contact and muddy in advance in prechamber earlier of gas and air, then mix in mixed gas chamber, behind a plurality of vane type impellers of arranging in mixed gas chamber, the mist obtains the intensive mixing, among the mixed gas chamber between the adjacent looks impeller blade arrange that array orientation is opposite. Can control air, gas proportion with wind pressure adjusting device, gas adjusting device and converter etc, the utility model discloses a plurality of vane type premixing device not only improved mixed effect, but also can adjust the mixing ratio of gas and air.
Description
Technical field
This utility model relates to a kind of gas combustion apparatus, particularly to a kind of gas-air pre-mixing apparatus.
Background technology
Currently, the commonly used various regulation valves of burner or device control fuel and air reaches a certain proportion of confession
Amount, then carries out mixing and burning at combustor, and premixed technology is that with air, fuel is being entered combustion chamber burner advance
Row is thoroughly mixed, and is fully stirred scattered mixing by gas molecule through premix chamber so that mixing is more complete, so that burning velocity is no longer
Be limited to the physical conditions such as gas diffusion velocity, burning velocity faster, in hgher efficiency.
Currently available technology, such as patent CN203771403U, a kind of gas-air pre-mixing apparatus, burning heat storage and burning
Device, wherein gas-air pre-mixing apparatus includes multiple gas pipeline, multiple air line, multiple for combustion gas and air being mixed
Premix nozzle, multiple gas pipelines connect with combustion gas storehouse respectively, and multiple air lines connect with air bin respectively.A kind of combustion gas combustion
Burner includes that furnace head base, distributor and nozzle, described burner include air outlet base and induction tunnel, and nozzle is relative with induction tunnel.Nozzle
The radial air hole being connected with fuel gas hole including axial fuel gas hole.Existing problems are: pre-mixing apparatus structure is more complicated, combustion gas
Or can not be inconvenient to regulate with the ratio of air, make combustion gas can not reach optimal mixed effect and fully burn.
Summary of the invention
The purpose of this utility model is: provide a kind of vane type gas-air pre-mixing apparatus, and it is possible not only to premix, uses
Multiple vane types premix improve mixed effect, and the mixed proportion of combustion gas and air can also be adjusted.
A kind of vane type gas-air pre-mixing apparatus, including blower fan, fuel gas inlet, premix chamber, mixed air cavity, its special character
Being also to include multiple blade impellers, gas regulating device, wind pressure adjusting device, converter, gas regulating device is arranged on
The combustion gas tube side of fuel gas inlet end bottom, Gas Pipe is connected with premix chamber, and multiple blade impellers are arranged in mixed air cavity.
Further, described blower fan also includes servomotor, and servomotor is integrated with blower fan, and servomotor drives blower fan
Rotate, air is sent in premix chamber.
Described wind pressure adjusting device includes blast switch, controls the Push And Release of blast, also includes converter, converter in order to
Regulation rotation speed of fan and air inlet amount size, it addition, also configure that pressure transducer in gas circuit, after integrated flow rate, pressure signal
Auto-matching adjusts frequency conversion fan air output, it is ensured that aeration ratio is accurate, ensures work safety simultaneously.
Described gas regulating device includes filter, pressure regulator valve, baroswitch, electromagnetic valve, with baroswitch and electromagnetic valve
Controlling opening and closing of fuel gas inlet passage, first baroswitch is opened, and the electromagnetic valve being connected with baroswitch opens one
Determining aperture, combustion gas, after fuel gas inlet enters, first passes through the residual impurity that the filter cotton in filter filters out in combustion gas, then through adjusting
Pressure valve regulates into the gaseous-pressure before premixed device and flow, considers the pressure oscillation of actually used situation simultaneously.
Further, gas regulating device also includes pneumatic proportional valve, also can adjustment of combustion gas flow size further.
The plurality of blade impellers, each impeller is made up of multiple blades, and multiple blades are fixed by blade fixed axle, cloth
The adjacent two impellers blade direction of rotation each other put is contrary, makes combustion gas and the air Mixture mixed effect in mixed air cavity
More preferably.
A kind of vane type gas-air pre-mixing apparatus, air sends into through blower fan, and combustion gas enters through Gas Pipe, with after through each
After gas regulating device and wind pressure adjusting device, combustion gas first contacts in premix chamber and premix with air, then in mixed air cavity
Mixing, premix chamber, mixed air cavity are steel pipe, and mixed air cavity caliber is more than premix chamber caliber, increases mixed gas and exists
Mixing residence time in mixed air cavity, after the multiple blade impellers through arranging in mixed air cavity, mixed gas is sufficiently mixed.
To sum up content, a kind of vane type gas-air pre-mixing apparatus described in the utility model, compared with prior art have
Advantages below:
(1) this apparatus structure is simple；
(2) having accurate gas air proportional adjusting means, energy conservative control gas-air mixed proportion, after being conducive to
The burning of sequence gaseous mixture；
(3) being provided with multiple blade impellers in mixed air cavity, between adjacent two impellers, blade direction of rotation is contrary, can make combustion
Gas and air are sufficiently mixed before combustion, it is possible to decrease the generation of NOx and CO during burning.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
Fig. 2 is this utility model gas regulating device fundamental diagram.
Fig. 3 is that the multiple blade impellers of this utility model mixes air cavity schematic three dimensional views.
As shown in Figure 1 to Figure 3, blower fan 1, servomotor 2, wind pressure adjusting device 3, frequency changer circuit connection 4, converter 5,
Fuel gas inlet 6, gas regulating device 7, premix chamber 8, mixed air cavity 9, impeller 10, blade fixed axle 11.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, this utility model provides a kind of vane type gas-air pre-mixing apparatus, Fig. 1 is this utility model knot
Structure schematic diagram, including blower fan 1, fuel gas inlet 6, gas regulating device 7, wind pressure adjusting device 3, premix chamber 8, mixed air cavity 9, leafy
Bladed impeller 10.Blower fan 1 is arranged on the front end of premix chamber 8, blower fan 1 also includes servomotor 2, blower fan 1 with servomotor 2 are
Integrally, servomotor 2 driving blower fan 1, air is sent into premix chamber from blower fan, is additionally provided with blast regulation dress on the right side of blower fan 1
Putting 3, Gas Pipe connects with premix chamber 8, and fuel gas inlet 6 lower end is provided with gas regulating device 7, and the connection of premix chamber 8 right-hand member has mixed
Air cavity 9.
Described wind pressure adjusting device 3 includes blast switch, controls blast switch and wind speed size, blast control with converter 5
System switch with between converter 5 be connected circuit connection.
As in figure 2 it is shown, Fig. 2 is this utility model gas regulating device fundamental diagram.Gas regulating device 7 includes air pressure
Switch, filter, pressure regulator valve, electromagnetic valve, proportioning valve, baroswitch connects pressure regulator valve with electromagnetic valve connection, filter rear end, adjusts
Connect electromagnetic valve after pressure valve, reconnect proportioning valve after electromagnetic valve, control fuel gas inlet passage with baroswitch and electromagnetic valve
Opening and close, first baroswitch is opened, and the electromagnetic valve being meanwhile connected with baroswitch opens certain aperture, combustion gas
After fuel gas inlet enters, first pass through the residual impurity that the filter cotton in filter filters out in combustion gas, then through pressure regulator valve regulate into
Gaseous-pressure before premixed device and flow, consider the pressure oscillation of actually used situation simultaneously.
As it is shown on figure 3, Fig. 3 is the multiple blade impellers of this utility model mixes air cavity schematic three dimensional views.Mixed air cavity 9 includes many
Individual blade impellers 10 and blade fixed axle 11, on adjacent two impellers 10 blade arrangement arrangement in opposite direction, make combustion gas and
Being sufficiently mixed of gaseous mixture it is more beneficial for when air Mixture is by each impeller blade.
Finally illustrate, although this utility model being described in detail with reference to embodiment, the common skill of this area
Art personnel should be appreciated that and can modify the technical solution of the utility model or replace on an equal basis, without deviating from this practicality
The objective of new technique scheme and scope, it all should be contained in the middle of right of the present utility model.
Claims (5)
1. a vane type gas-air pre-mixing apparatus, including blower fan, fuel gas inlet, pre-mixing apparatus, gas regulating device, blast
Adjusting means, it is characterised in that: pre-mixing apparatus includes premix chamber and mixed air cavity, also includes multiple blade impellers, multiple blades
Formula impeller is arranged in mixed air cavity, and impeller blade blade fixed axle is fixed, the layout side that between adjacent two impellers, blade rotates
To on the contrary.
A kind of vane type gas-air pre-mixing apparatus the most according to claim 1, it is characterised in that: gas regulating device sets
Putting the combustion gas tube side in fuel gas inlet end bottom, Gas Pipe is connected with premix chamber.
A kind of vane type gas-air pre-mixing apparatus the most according to claim 1 and 2, it is characterised in that: described combustion gas is adjusted
Regulating device includes baroswitch, filter, pressure regulator valve, electromagnetic valve, proportioning valve, and baroswitch is connected with electromagnetic valve, after filter
End connects pressure regulator valve, connects electromagnetic valve after pressure regulator valve, can adjustment of combustion gas flow and pressure well with gas regulating device.
A kind of vane type gas-air pre-mixing apparatus the most according to claim 1, it is characterised in that: described blast regulation dress
Put and include blast switch, also include controlling blast switch and controlling the converter of air quantity.
A kind of vane type gas-air pre-mixing apparatus the most according to claim 1, it is characterised in that: described pre-mixing apparatus is pre-
Mixed chamber and mixed air cavity are steel pipe, premix chamber caliber less than mixed air cavity caliber, air that blower fan introduces and entering from Gas Pipe combustion gas
The combustion gas that mouth enters first premixes in premix chamber, then is sufficiently mixed in Multi-vane type mixes air cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620527937.9U CN205878158U (en) | 2016-06-02 | 2016-06-02 | Vane type gas air premixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620527937.9U CN205878158U (en) | 2016-06-02 | 2016-06-02 | Vane type gas air premixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205878158U true CN205878158U (en) | 2017-01-11 |
Family
ID=57689052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620527937.9U Expired - Fee Related CN205878158U (en) | 2016-06-02 | 2016-06-02 | Vane type gas air premixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205878158U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871121A (en) * | 2017-04-01 | 2017-06-20 | 上海钜荷热力技术有限公司 | Multisection type all-premixing burner with smoke reflux device |
| CN107435926A (en) * | 2017-10-11 | 2017-12-05 | 河南科技大学 | A kind of liquid fuel and Combustion of Premixed device |
| CN107497309A (en) * | 2017-10-11 | 2017-12-22 | 河南科技大学 | A kind of liquid fuel and gas homogeneous charge forming apparatus and method |
| CN107583476A (en) * | 2017-10-11 | 2018-01-16 | 河南科技大学 | One kind exempts from power gas homogeneous hybrid system |
| CN109224892A (en) * | 2018-09-26 | 2019-01-18 | 中国航空工业集团公司西安飞机设计研究所 | A kind of pre-mixing apparatus liquid vaporization and its mixed with air |
| CN109538506A (en) * | 2018-10-12 | 2019-03-29 | 江西中船航海仪器有限公司 | A kind of premix blower fan system certainly |
-
2016
- 2016-06-02 CN CN201620527937.9U patent/CN205878158U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871121A (en) * | 2017-04-01 | 2017-06-20 | 上海钜荷热力技术有限公司 | Multisection type all-premixing burner with smoke reflux device |
| CN107435926A (en) * | 2017-10-11 | 2017-12-05 | 河南科技大学 | A kind of liquid fuel and Combustion of Premixed device |
| CN107497309A (en) * | 2017-10-11 | 2017-12-22 | 河南科技大学 | A kind of liquid fuel and gas homogeneous charge forming apparatus and method |
| CN107583476A (en) * | 2017-10-11 | 2018-01-16 | 河南科技大学 | One kind exempts from power gas homogeneous hybrid system |
| CN109224892A (en) * | 2018-09-26 | 2019-01-18 | 中国航空工业集团公司西安飞机设计研究所 | A kind of pre-mixing apparatus liquid vaporization and its mixed with air |
| CN109538506A (en) * | 2018-10-12 | 2019-03-29 | 江西中船航海仪器有限公司 | A kind of premix blower fan system certainly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171018 Address after: 201500 Shanghai city Jinshan District Lu Zhen Gan Xiang Jin Zhang Road No. 2548 building 4 room 4019 Patentee after: Shanghai great thermal Technology Co., Ltd. Address before: No. 16 Road on the south side of the building of Health Bureau of Gansu province Zhangye city wetland planning 734399 Gaotai County District Patentee before: Gaotai County poly Qing new energy equipment Co. Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20210602 |