CN109539255A - A kind of low-pressure combustion device and intake method - Google Patents
A kind of low-pressure combustion device and intake method Download PDFInfo
- Publication number
- CN109539255A CN109539255A CN201811490659.4A CN201811490659A CN109539255A CN 109539255 A CN109539255 A CN 109539255A CN 201811490659 A CN201811490659 A CN 201811490659A CN 109539255 A CN109539255 A CN 109539255A
- Authority
- CN
- China
- Prior art keywords
- burner
- inlet pipe
- air inlet
- gas
- combustion
- 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.)
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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
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K5/00—Feeding or distributing other fuel to combustion apparatus
- F23K5/002—Gaseous fuel
Abstract
The invention discloses a kind of low-pressure combustion device and intake methods, it is related to heating equipment field, including gas inlet nozzle, gas inlet cut-out governing bracket, air inlet pipe, burner, pass through the intake method of change gas inlet nozzle to air inlet pipe and the size of adjustment air inlet pipe latus rectum and burner ratio, it is pressurized for burner with oxygen, realize that low-pressure admission achievees the effect that middle pressure burner, make combustion gas full combustion, it is not only easy to use, flexible operation, it is time saving and energy saving to make full use of thermal energy, reduce thermal pollution, the utilization rate of thermal energy can also be improved, reduce use cost and production cost.
Description
Technical field
The present invention relates to heating equipment field, in particular to a kind of low-pressure combustion device and intake method.
Background technique
In daily life, generally ensure combustion gas using safety fuel gas register one's residence discharge pressure be 2kPa-5kPa low pressure
Conveying, but because being low-pressure combustion, burning velocity causes to provide compared with slow, thermal losses is big, calorific value is less when generally using
Source waste, the pressure condition that other part industrial user's combustion gas needs to reach middle pressure 20kPa-40kPa uses, so will also be defeated
Source adjustment discharge pressure or installation Gas Pressure Regulating Equipment is sent to change output pressure, the bigger combustion gas of the discharge pressure of combustion gas is more endangered
Danger, so usually will also be to regulator time-based maintenance and inspection etc., complicated for operation, increased costs.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of low-pressure combustion device and intake methods, to increase burning pressure
Power realizes that low-pressure admission achievees the effect that middle pressure burner, makes combustion gas full combustion, not only easy to use, flexible operation, time saving province
Power makes full use of thermal energy, reduces thermal pollution, moreover it is possible to improve the utilization rate of thermal energy, reduce use cost and production cost.
To achieve the above object, the present invention provides technical solution below: the low-pressure combustion device, including combustion gas into
Gas jets, gas inlet cut-out governing bracket, air inlet pipe, burner, it is characterised in that: gas inlet nozzle is connected through a screw thread
On gas inlet cut-out governing bracket, gas inlet cut-out governing bracket is threadedly attached in one end of air inlet pipe, air inlet
One end of pipe and gas inlet nozzle face and there are A section intervals progress disconnectings, gas inlet cut-out governing bracket passes through screw thread
The length at A sections of intervals are adjusted, the length at A section intervals are 3cm-5cm, the other end of air inlet pipe passes through screw thread airtight connection and firing
In burner.
A kind of described low-pressure combustion device and intake method, it is characterised in that: by way of disconnecting air inlet and adjusting
The size of air inlet pipe latus rectum can be different with matched size burner, the size of air inlet pipe latus rectum is determined by the size of burner
Fixed, the size and air inlet pipe latus rectum size of burner are in direct ratio, and burner is bigger, and air inlet pipe latus rectum is bigger, only fire
The size of burner and the latus rectum size of air inlet pipe match, and the gaseous-pressure of civilian low pressure 2kPa-5kPa can just reached
The middle pressure burner effect of 35kPa-50kPa.It by taking combustor for boiler as an example, is learnt according to test of many times, the boiler of 100kg evaporation capacity
It is DN20mm, the combustion that the boiler of 300kg evaporation capacity uses that the burner used, which has the matched air inlet pipe latus rectum of 20 burner noz(zle)s,
It is DN25mm that burner, which has the matched air inlet pipe latus rectum of 32 burner noz(zle)s, and the burner that the boiler of 500kg evaporation capacity uses has 44
A matched air inlet pipe latus rectum of burner noz(zle) is DN32mm, matches the optimal effectiveness for reaching burner combustion in proportion with this.
Combustion gas is sprayed by gas inlet nozzle, and under the action of air-flow, combustion gas enters air inlet quickly through A sections of intervals
Pipe, make around fuel gas flow formed micro-vacuum state and drive the air of gas inlet cut-out governing branch frame peripheral enter together into
Tracheae, and then merge combustion gas sufficiently in air inlet pipe with air and increase gas flow and oxygen content, so that combustion gas is passed through combustion
Increase combustion pressure and full combustion when burner is burnt.
It is using the beneficial effect of above technical scheme:
1, low-pressure admission mode reaches middle pressure burner effect；
2, use scope is more extensive, favorable expandability；
3, it improves the utilization rate of thermal energy, energy conservation and reduces cost；
4, the discharge amount of thermal energy is reduced, thermal pollution is reduced, improves the service life of boiler heat exchanger and burner；
5, flexible operation, easy to use, time saving and energy saving, design is reasonable, appearance looks elegant.
Detailed description of the invention
A specific embodiment of the invention is described in further detail with reference to the accompanying drawing.
Attached drawing 1 is the structural schematic diagram of a kind of low-pressure combustion device of the present invention and intake method；
In figure: 1, gas inlet nozzle, 2, gas inlet cut-out governing bracket, 3, air inlet pipe, 4, burner, 5, A sections of intervals.
Specific embodiment
The preferred embodiment of a kind of the invention will now be described in detail with reference to the accompanying drawings low-pressure combustion device and intake method.
Attached drawing 1 shows the specific embodiment of a kind of low-pressure combustion device of the present invention and intake method:
The low-pressure combustion device, including gas inlet nozzle 1, gas inlet cut-out governing bracket 2, air inlet pipe 3, burner
4, it is characterised in that: gas inlet nozzle 1 is threadedly attached on gas inlet cut-out governing bracket 2, gas inlet nozzle
Adjusting bracket 2 is threadedly attached in one end of air inlet pipe 3, one end of air inlet pipe 3 and 1 face of gas inlet nozzle and has A
Section interval 5 carries out disconnecting, and gas inlet cut-out governing bracket 2 adjusts the length at A sections of intervals 5 by screw thread, and A sections are spaced 5
Length is 3cm-5cm, and the other end of air inlet pipe 3 is by screw thread airtight connection on burner 4.
A kind of described low-pressure combustion device and intake method, it is characterised in that: by way of disconnecting air inlet and adjusting
The size of 3 latus rectum of air inlet pipe can be different with matched size burner 4, the size of 3 latus rectum of air inlet pipe is by the size of burner 4
Come what is determined, the size of 3 latus rectum of size and air inlet pipe of burner 4 is in direct ratio, and burner 4 is bigger, and 3 latus rectum of air inlet pipe is got over
Greatly, the latus rectum size of the only size and air inlet pipe 3 of burner 4 matches, and can just make the gas pressure of civilian low pressure 2kPa-5kPa
The middle pressure burner effect that power reaches 35kPa-50kPa learns that 100kg is evaporated by taking combustor for boiler 4 as an example according to test of many times
It is DN20mm, the pot of 300kg evaporation capacity that the burner 4 that the boiler of amount uses, which has matched 3 latus rectum of air inlet pipe of 20 burner noz(zle)s,
It is DN25mm that the burner 4 that furnace uses, which has matched 3 latus rectum of air inlet pipe of 32 burner noz(zle)s, and the boiler of 500kg evaporation capacity uses
Burner 4 have matched 3 latus rectum of air inlet pipe of 44 burner noz(zle)s be DN32mm, matched in proportion with this and reach burner combustion
Optimal effectiveness.
When it is implemented, gas inlet nozzle 1 is threadedly attached on gas inlet cut-out governing bracket 2, combustion gas into
Gas jets adjusting bracket 2 is threadedly attached in one end of air inlet pipe 3, and one end of air inlet pipe 3 and 1 face of gas inlet nozzle are simultaneously
And there are A sections of intervals 5 to carry out disconnectings, gas inlet cut-out governing bracket 2 adjusted by screw thread A section be spaced 5 length, between A sections
It is 3cm-5cm every length, the other end of air inlet pipe 3 through screw thread airtight connection on burner 4, sprayed by gas inlet by combustion gas
Mouth 1 sprays, and under the action of air-flow, combustion gas enters air inlet pipe 3 quickly through A sections of intervals 5, makes to be formed around fuel gas flow micro- negative
Pressure condition simultaneously drives the air around gas inlet cut-out governing bracket 2 to enter air inlet pipe 3 together, and then combustion gas and air is made to exist
Gas flow and oxygen content are sufficiently merged and increased in air inlet pipe 3, and combustion gas is made to increase combustion pressure when burning by burner 4
And full combustion.
The above are merely the preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art,
Without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (3)
1. a kind of low-pressure combustion device, including gas inlet nozzle (1), gas inlet cut-out governing bracket (2), air inlet pipe
(3), burner (4), it is characterised in that: gas inlet nozzle (1) is threadedly attached in gas inlet cut-out governing bracket (2)
On, gas inlet cut-out governing bracket (2) is threadedly attached in one end of air inlet pipe (3), one end of air inlet pipe (3) and combustion gas
Nozzle of air supply (1) face and there are A sections of intervals (5), gas inlet cut-out governing bracket (2) adjusts A sections of intervals by screw thread
(5) length, A sections of gap lengths are 3cm-5cm, and the other end of air inlet pipe (3) is by screw thread airtight connection in burner (4)
On.
2. a kind of low-pressure combustion device according to claim 1, it is characterised in that: the air inlet pipe (3) and burner
(4), the size of air inlet pipe (3) latus rectum is determined by the size of burner (4), the size and air inlet pipe (3) of burner (4)
The size of latus rectum is in direct ratio, and burner (4) is bigger, and burner noz(zle) is more, and air inlet pipe (3) latus rectum is bigger, and burner (4) has
20 burner noz(zle) matched air inlet pipe (3) latus rectums are DN20mm, and burner (4) has 32 matched air inlet pipe of burner noz(zle)
(3) latus rectum is DN25mm, and it is DN32mm that burner (4), which has 44 burner noz(zle) matched air inlet pipe (3) latus rectums,.
3. a kind of intake method using low-pressure combustion device as claimed in claim 1 or 2, it is characterised in that: combustion gas passes through combustion gas
Nozzle of air supply (1) sprays, and under the action of air-flow, combustion gas rapidly enters air inlet pipe (3) by A sections of intervals (5), makes fuel gas flow
Surrounding forms micro-vacuum state and the air around gas inlet cut-out governing bracket (2) is driven to enter together air inlet pipe (3), fires
Gas sufficiently merges in air inlet pipe (3) with air increases gas flow and oxygen content, increases combustion gas when burning by burner (4)
Large-scale combustion pressure and full combustion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811490659.4A CN109539255A (en) | 2018-12-07 | 2018-12-07 | A kind of low-pressure combustion device and intake method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811490659.4A CN109539255A (en) | 2018-12-07 | 2018-12-07 | A kind of low-pressure combustion device and intake method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109539255A true CN109539255A (en) | 2019-03-29 |
Family
ID=65854248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811490659.4A Pending CN109539255A (en) | 2018-12-07 | 2018-12-07 | A kind of low-pressure combustion device and intake method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1995815A (en) * | 2006-12-22 | 2007-07-11 | 丹东太智厨房设备有限公司 | Ejection premixing type highly-efficient gas burner |
| CN202630147U (en) * | 2012-06-21 | 2012-12-26 | 广州市千能燃具有限公司 | Novel gas stove |
| CN202719608U (en) * | 2012-07-17 | 2013-02-06 | 天津华迈燃气装备股份有限公司 | Venturi injection pipe capable of quickly adjusting gas-air mixing concentration |
| CN103512054A (en) * | 2013-01-10 | 2014-01-15 | 杨斌 | Full pre-mixing injection control device of blast gas oven |
| CN204554812U (en) * | 2015-04-01 | 2015-08-12 | 深圳智慧能源技术有限公司 | There is the injection burner of air take guard mechanism |
| CN108266728A (en) * | 2017-01-03 | 2018-07-10 | 广东星立方厨电集团有限公司 | A kind of opposite cooker burner of inner ring and outer rings airintake direction |
-
2018
- 2018-12-07 CN CN201811490659.4A patent/CN109539255A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1995815A (en) * | 2006-12-22 | 2007-07-11 | 丹东太智厨房设备有限公司 | Ejection premixing type highly-efficient gas burner |
| CN202630147U (en) * | 2012-06-21 | 2012-12-26 | 广州市千能燃具有限公司 | Novel gas stove |
| CN202719608U (en) * | 2012-07-17 | 2013-02-06 | 天津华迈燃气装备股份有限公司 | Venturi injection pipe capable of quickly adjusting gas-air mixing concentration |
| CN103512054A (en) * | 2013-01-10 | 2014-01-15 | 杨斌 | Full pre-mixing injection control device of blast gas oven |
| CN204554812U (en) * | 2015-04-01 | 2015-08-12 | 深圳智慧能源技术有限公司 | There is the injection burner of air take guard mechanism |
| CN108266728A (en) * | 2017-01-03 | 2018-07-10 | 广东星立方厨电集团有限公司 | A kind of opposite cooker burner of inner ring and outer rings airintake direction |
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Application publication date: 20190329 |