CN208535976U - Reduce the burner of noise - Google Patents
Reduce the burner of noise Download PDFInfo
- Publication number
- CN208535976U CN208535976U CN201820659447.3U CN201820659447U CN208535976U CN 208535976 U CN208535976 U CN 208535976U CN 201820659447 U CN201820659447 U CN 201820659447U CN 208535976 U CN208535976 U CN 208535976U
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- China
- Prior art keywords
- plate cover
- orifice plate
- burner
- venturi tube
- noise
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Abstract
The utility model proposes a kind of burners for reducing noise, including Venturi tube and gas nozzle, the Venturi tube has opposite Venturi tube first end and Venturi tube second end, the Venturi tube first end is equipped with contraction flow region, the gas nozzle is arranged in the Venturi tube first end, the orifice plate cover for the noise that the burner generates when including for reducing the burner injection air, the orifice plate cover connects the Venturi tube first end and surrounds the outlet of the gas nozzle, the orifice plate cover is equipped with several perforations for the burner injection air.
Description
Technical field
The utility model relates to a kind of injection type burner, in particular to a kind of burner for reducing noise.
Background technique
Existing to be mainly made of Venturi tube and gas nozzle using burner, gas nozzle effect is mainly high-pressure injection
Combustion gas and injection low-pressure air fluid, and energy exchange is carried out in Venturi tube, it carries out substance ginseng and mixes, to reach gaseous mixture
Body clean-burning purpose at Venturi exit, but because that can be produced while nozzle ejects transonic speed combustion gas and injection air
The noise of raw high frequency, for environment-friendly function, control noise seems most important within an acceptable range.
Fence predominantly is built in outermost to the mode of ground flare noise reduction now, but the method takes up a large area,
Land area is required too high；It is big to build fence cost；And application range is small.
Utility model content
In view of this, the present invention provides the combustions that the noise source that noise is generated when a kind of pair of burner injection carries out noise reduction
Burner.
A kind of venturi burner reducing noise, including Venturi tube and gas nozzle, the Venturi tube have phase
Anti- Venturi tube first end and Venturi tube second end, the Venturi tube first end are equipped with contraction flow region, the gas nozzle
It is arranged in the Venturi tube first end, the venturi burner includes for reducing the venturi burner injection air
When the orifice plate cover of noise that generates, the orifice plate cover connects the Venturi tube first end and surrounds going out for the gas nozzle
Mouthful, the orifice plate cover is equipped with several perforations for the venturi burner injection air.
In one embodiment, the orifice plate cover is cylindrical, and the diameter of the orifice plate cover is the Venturi tube first end
1~3 times of diameter.
In one embodiment, the orifice plate cover includes orifice plate cover roof, orifice plate cover bottom wall and connection orifice plate cover top
The orifice plate cover side wall of wall and orifice plate cover bottom wall, the orifice plate cover roof are equipped with a mounting hole, the mounting hole and the venturi
The connection of pipe first end, the orifice plate cover bottom wall are equipped with a through-hole, and the gas nozzle protrudes into the orifice plate cover by the through-hole.
In one embodiment, the central axes of Venturi tube described in the through-hole face.
In one embodiment, the orifice plate cover side wall is in a ring.
In one embodiment, at least partly described perforation is arranged in the orifice plate cover side wall.
In one embodiment, at least partly described perforation is arranged in the orifice plate cover bottom wall.
In one embodiment, the area of the perforation is 0.1mm2To 100mm2。
In one embodiment, the perforation includes any group of round hole, slotted eye, cruciform vent or aforementioned apertures
It closes.
In one embodiment, the orifice plate cover is as uniquely coupled between the gas nozzle and the Venturi tube
Part.
In conclusion the utility model provides a kind of venturi burner for reducing noise, in Venturi tube and combustion gas
Setting has an orifice plate cover of soundproof effect and ventilation between nozzle, and gas nozzle is towards spraying combustion gas, while injection in Venturi tube
Air enters Venturi tube, and injection air will generate air power noise, and the orifice plate cover of the utility model meets venturi
The demand of burner injection air, and the sound energy of noise can be weakened at noise source, reduce the height as caused by injection air
Frequency is made an uproar sonic propagation, and then reaches the noise for reducing venturi burner.
Detailed description of the invention
Fig. 1 is a kind of perspective view of the venturi burner of embodiment of the utility model.
Fig. 2 is the bottom view of venturi burner shown in Fig. 1.
Fig. 3 is sectional view of the venturi burner shown in Fig. 1 along the direction A-A.
Fig. 4 is the side view of venturi burner shown in Fig. 1.
Fig. 5 is that the perforation of venturi burner shown in Fig. 1 is the schematic diagram of round hole.
Fig. 6 is that the perforation of venturi burner shown in Fig. 1 is the schematic diagram of slotted eye.
Fig. 7 is that the perforation of venturi burner shown in Fig. 1 is the schematic diagram of cruciform vent.
Specific embodiment
Before describing the embodiments in more detail, it should be understood that the utility model is not limited in the application hereafter or attached drawing
Described in detailed construction or arrangement of elements.The embodiment that the utility model can be realized for other way.Moreover, it should manage
Solution, the words and terms used herein are for illustrative purposes only, should not be interpreted in a limited way." packet used herein
Include ", "comprising", the similar wording such as " having " means comprising items listed thereafter, its equivalent and other additional things.It is special
It is not that when describing " a certain component ", it also may include more that the utility model, which does not limit the quantity of the element as one,
It is a.
As shown in Figure 1 to Figure 3, the venturi burner of the reduction noise includes Venturi tube 10 and gas nozzle 20.
Venturi tube 10 has opposite Venturi tube first end 11 and Venturi tube second end 12, Venturi tube first
End 11 is equipped with contraction flow region 13, and Venturi tube second end 12 is equipped with enlarged portion 14.Contraction flow region 13 is by 11 direction of Venturi tube first end
Venturi tube second end 12 to contract until connect with enlarged portion 14, enlarged portion 14 by with 13 joint of contraction flow region towards literary mound
In pipe second end 12 expand outwardly so that contraction flow region 13 and enlarged portion 14 are respectively formed round table-like, contraction flow region 13 and 14 phase of enlarged portion
The place of connecing forms the smallest neck 16 of 10 diameter of Venturi tube.Contraction flow region 13 and the cone angle of enlarged portion 14 can be 5 °~40 °, more excellent
Ground, the cone angle of contraction flow region 13 is 15 °, but the utility model is not construed as limiting this.
In Venturi tube first end 11, gas nozzle 20 is used to spray towards Venturi tube 10 to be fired the setting of gas nozzle 20
Gas, so that being injected in Venturi tube 10 by the combustion gas that gas nozzle 20 sprays.As Venturi tube 10 is injected in combustion gas, by injection
Air enters in Venturi tube 10 and combustion gas mixing forms gas to be combusted and can be in 12 port of second end of Venturi tube 10 position
Set burning.
In the shown embodiment, noise is generated when venturi burner includes for reducing venturi burner injection air
Orifice plate cover 18, orifice plate cover 18 connects Venturi tube first end 11 and surrounds the outlet of gas nozzle 20, and orifice plate cover 18 is equipped with
For several perforations 181 of venturi burner injection air.
More specifically, orifice plate cover 18 is cylindrical, the diameter of orifice plate cover 18 is specific to regard literary mound between 50mm~200mm
In pipe 10 size depending on, the diameter of orifice plate cover 18 is 1~3 times of the diameter of Venturi tube first end 11, it should be appreciated that
This is only used as a kind of embodiment of the utility model, and the shape of present aspect orifice plate cover 18 is not construed as limiting.Orifice plate cover 18 includes hole
Plate cover roof 183, orifice plate cover bottom wall 184 and the orifice plate cover side wall 185 for connecting orifice plate cover roof 183 and orifice plate cover bottom wall 184,
Orifice plate cover side wall 185 in a ring, orifice plate cover roof 183, orifice plate cover bottom wall 184 and orifice plate cover side wall 185 be enclosed one every
Sound space 187 allows orifice plate cover roof 183, orifice plate cover bottom wall 184 and orifice plate cover side wall 185 to obstruct sound deadening space
Sound in 187 is propagated outward, reaches sound insulation purpose.Orifice plate cover roof 183 is equipped with a mounting hole 1831, mounting hole 1831 and text
Venturi first end 11 connects, and then connect orifice plate cover 18 with Venturi tube first end 11 by mounting hole 1831, and make
Space and sound deadening space 187 in Venturi tube 10 are circulated.Orifice plate cover bottom wall 184 be equipped with a through-hole 1841, gas nozzle 20 by
Through-hole 1841 protrudes into the sound deadening space 187 of orifice plate cover 18.
In the present embodiment, the central axes x setting of 1841 face Venturi tube of through-hole, this is to enable gas nozzle 20
Enough face Venturi tube first ends 11 spray combustion gas, and combustion gas can be directly entered in Venturi tube 10, it should be appreciated that this only makees
For a kind of embodiment of the utility model, this effect can be reached by other means in other embodiments, such as logical
Hole 1841 is set on orifice plate cover side wall 185, and the L-shaped guiding fuel injection combustion gas of gas nozzle 20 enters Venturi tube 10, this is practical
The novel specific setting position to through-hole 1841 is not construed as limiting, as long as Venturi tube can be inputted for combustion gas by being able to achieve gas nozzle 20
In 10.
In the present embodiment, gas nozzle 20 is fixedly connected in the through-hole 1841 of orifice plate cover bottom wall 184.In this way, combustion gas
Nozzle 20 supports Venturi tube 10 by orifice plate cover 18, and gas nozzle 20 is fixed by orifice plate cover 18 and Venturi tube 10 in other words
Connection, and orifice plate cover 18 is as the uniquely coupled part between gas nozzle 20 and Venturi tube 10.
In another embodiment, gas nozzle 20 only through orifice plate cover bottom wall 184 through-hole 1841, without with through-hole
1841 are fixedly connected.Other connectors are set between gas nozzle 20 and Venturi tube 10, and make to fire by other connectors
Gas jets 20 are fixedly connected with Venturi tube 10, and orifice plate cover 18 is as just sound damping applications.
Perforation 181, which is set to, can meet venturi burner on orifice plate cover bottom wall 184 or orifice plate cover side wall 185 and draw
Penetrate the demand of air.In one embodiment, at least partly perforation 181 is arranged on orifice plate cover side wall 185.It can be one
Perforation 181 is separated to be set on orifice plate cover side wall 185, and another part perforation 181 is set on orifice plate cover bottom wall 184；?
It can be all perforations 181 to be all disposed on orifice plate cover side wall 185.
In another embodiment, at least partly perforation 181 is arranged on orifice plate cover bottom wall 184, can be a part and draws
Perforation 181 is set on orifice plate cover bottom wall 184, and another part perforation 181 is set on orifice plate cover side wall 185；It can also be with
It is that all perforations 181 are all disposed on orifice plate cover bottom wall 184.
The area of perforation 181 is 0.1mm2To 100mm2, can be various shapes.Perforation as shown in Figure 4 and Figure 5
181 be round hole, and perforation 181 as shown in FIG. 6 is slotted eye, and perforation 181 as shown in Figure 7 is cruciform vent,
It can be any combination of aforementioned apertures, such as the perforation of two or more shapes be set simultaneously, as long as being able to achieve sound deadening space
187 pass to ambient air stream and meet the needs of venturi burner injection air.
In conclusion the utility model provides a kind of venturi burner for reducing noise, in Venturi tube and combustion gas
Setting has an orifice plate cover of soundproof effect and ventilation between nozzle, and gas nozzle is towards spraying combustion gas, while injection in Venturi tube
Air enters Venturi tube, and injection air will generate air power noise, and the orifice plate cover of the utility model meets venturi
The demand of burner injection air, and the sound energy of noise can be weakened at noise source, reduce the height as caused by injection air
Frequency is made an uproar sonic propagation, and then reaches the noise for reducing venturi burner.
Concepts described herein may be embodied to other forms without departing from its spirit and characteristics.It is disclosed
The specific embodiments are to be considered as illustrative and not restrictive.Therefore, the scope of the utility model is by appended right
It is required that instead of making decisions based on these previous descriptions.Within the literal meaning and equivalent scope of the claims any
Change all should belong to these the scope of the claims.
Claims (10)
1. a kind of burner for reducing noise, including Venturi tube and gas nozzle, the Venturi tube have opposite literary mound
In pipe first end and Venturi tube second end, the Venturi tube first end is equipped with contraction flow region, and the gas nozzle is arranged in institute
State Venturi tube first end, it is characterised in that: the burner generates when including for reducing the burner injection air
The orifice plate cover of noise, the orifice plate cover connect the Venturi tube first end and surround the outlet of the gas nozzle, the hole
Plate cover is equipped with several perforations for the burner injection air.
2. reducing the burner of noise as described in claim 1, it is characterised in that: the orifice plate cover is cylindrical, the hole
The diameter of plate cover is 1~3 times of the diameter of the Venturi tube first end.
3. as described in claim 1 reduce noise burner, it is characterised in that: the orifice plate cover include orifice plate cover roof,
The orifice plate cover side wall of orifice plate cover bottom wall and connection the orifice plate cover roof and orifice plate cover bottom wall, the orifice plate cover roof are equipped with one
Mounting hole, the mounting hole are connect with the Venturi tube first end, and the orifice plate cover bottom wall is equipped with a through-hole, the gas injection
Mouth protrudes into the orifice plate cover by the through-hole.
4. reducing the burner of noise as claimed in claim 3, it is characterised in that: Venturi tube described in the through-hole face
Central axes.
5. reducing the burner of noise as claimed in claim 3, it is characterised in that: the orifice plate cover side wall is in a ring.
6. reducing the burner of noise as claimed in claim 3, it is characterised in that: at least partly described perforation is arranged in institute
State orifice plate cover side wall.
7. reducing the burner of noise as claimed in claim 3, it is characterised in that: at least partly described perforation is arranged described
Orifice plate cover bottom wall.
8. the burner as described in any one of claim 1 to 7 for reducing noise, it is characterised in that: the area of the perforation
For 0.1mm2To 100mm2。
9. the burner as described in any one of claim 1 to 7 for reducing noise, it is characterised in that: the perforation includes circle
Shape hole, slotted eye, cruciform vent or aforementioned apertures any combination.
10. the burner as described in any one of claim 1 to 7 for reducing noise, it is characterised in that: the orifice plate cover is as institute
State the uniquely coupled part between gas nozzle and the Venturi tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820659447.3U CN208535976U (en) | 2018-05-04 | 2018-05-04 | Reduce the burner of noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820659447.3U CN208535976U (en) | 2018-05-04 | 2018-05-04 | Reduce the burner of noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208535976U true CN208535976U (en) | 2019-02-22 |
Family
ID=65393225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820659447.3U Active CN208535976U (en) | 2018-05-04 | 2018-05-04 | Reduce the burner of noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208535976U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488792A (en) * | 2018-05-04 | 2018-09-04 | 中国石油集团川庆钻探工程技术有限公司钻采工程技术研究院 | Reduce the burner of noise |
-
2018
- 2018-05-04 CN CN201820659447.3U patent/CN208535976U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488792A (en) * | 2018-05-04 | 2018-09-04 | 中国石油集团川庆钻探工程技术有限公司钻采工程技术研究院 | Reduce the burner of noise |
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