CN211502773U - Silencer of gas boiler burner - Google Patents
Silencer of gas boiler burner Download PDFInfo
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- CN211502773U CN211502773U CN201922435412.9U CN201922435412U CN211502773U CN 211502773 U CN211502773 U CN 211502773U CN 201922435412 U CN201922435412 U CN 201922435412U CN 211502773 U CN211502773 U CN 211502773U
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- sound absorption
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- tube core
- boiler burner
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Abstract
The utility model discloses a silencer of a gas boiler burner, which comprises a shell, a flange and a silencing tube core, wherein the shell is a tubular structure which is composed of a shell I and a shell II and is of a type of '┚', the left end of the shell I is a gas inlet end, the top end of the shell II is a gas outlet end, the inner wall of the shell I is horizontally fixed with the silencing tube core through a supporting and fixing part, the silencing tube core is a pagoda-shaped structure with gradually increasing pipe diameter from left to right, one end of the silencing tube core, which is far away from the gas inlet end, is fixed with a ventilating plate, ventilation holes are uniformly distributed on the ventilating plate, the silencing tube core sequentially comprises an inner liner, a first sound absorption layer and an outer layer from inside to outside, the inner liner and the outer layer are respectively and uniformly distributed with a first sound absorption hole and a second sound absorption hole, the inner wall of the shell I is provided with a second sound absorption layer, the utility model discloses, the noise of the working environment is within the standard range.
Description
Technical Field
The utility model relates to a gas boiler burner technical field specifically is a muffler of gas boiler burner.
Background
The boiler burner is a burner used on a boiler, the boiler burner is the most important equipment in auxiliary machinery matched with a fuel oil and gas boiler, the boiler burner is mainly divided into an oil burner, a gas burner and a dual-fuel burner (also called as an oil-gas dual-purpose burner), wherein the oil burner can be divided into a light oil burner and a heavy oil burner, the light oil is mainly diesel oil, and the heavy oil is heavy oil left after extracting gasoline and diesel oil from crude oil; the gas burner may be classified into a natural gas burner, an urban gas burner, a liquefied petroleum gas burner, and a biogas burner.
The existing gas boiler burner has the main noise generation part at an air inlet, the noise is about 95-110 decibels, the noise amount is far higher than the environmental standard, and the health of workers can be seriously influenced when the existing gas boiler burner works in a high-noise environment for a long time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a silencer of gas boiler combustor in order to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a silencer of a gas boiler burner comprises a shell, a flange and a silencing tube core, wherein the shell is of a tubular structure which is formed by combining a first shell and the shell into an ┚ type structure, the left end of the first shell is a gas inlet end, the top end of the second shell is a gas outlet end, the gas outlet end is connected with an air inlet of the boiler burner through the flange, the inner wall of the first shell is horizontally fixed with the silencing tube core through a supporting fixing piece, the silencing tube core is of a pagoda-shaped structure with gradually increased tube diameter from left to right, one end, far away from the gas inlet end, of the silencing tube core is fixed with a ventilating plate, ventilation holes are uniformly distributed in the ventilating plate, the silencing tube core sequentially comprises an inner liner, a first sound absorption layer and an outer layer from inside to outside, the inner liner and the outer layer are respectively and correspondingly and uniformly distributed with a first sound absorption hole and a second sound absorption hole, and the diameter of the, a second sound absorption layer is arranged on the inner wall of the shell.
Preferably, the outer side wall of the first shell is sleeved with a protective net cover, and the distance from the protective net cover to the outer side wall of the first shell is 2-3 cm.
Preferably, the flange is a pinch plate flange.
Preferably, the sum of the sectional areas of all the vent holes, the first sound absorption holes and the second sound absorption holes is equal to the sectional area of the gas outlet end.
Preferably, the gas inlet end is fixed with an anti-bird net through a bolt.
Preferably, the first sound absorption layer and the second sound absorption hole are both made of centrifugal cotton materials.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) when the utility model is used, gas enters from the left end of the first shell, part of the gas directly enters the combustion boiler through the space between the inner wall of the first shell and the outer wall of the silencing tube core, because the second sound absorption layer is arranged on the inner wall of the first shell and is made of centrifugal cotton material, the gas has good sound absorption characteristic, the gas passing through the gas channel formed between the inner wall of the first shell and the outer wall of the silencing tube core can be silenced, and the rest of the gas enters the silencing tube core, because the silencing tube core is of a pagoda-shaped structure with gradually increasing tube diameter from left to right, the silencing tube core is utilized to consume the redundant kinetic energy of the gas in a mode of gas expansion and deceleration, the purpose of silencing is achieved, in addition, because the silencing tube core sequentially comprises an inner liner, a first sound absorption layer and an outer layer from inside to outside, and the inner liner and the outer layer are respectively provided with a first sound absorption hole, the gas that enters into the amortization pipe core enters into the passageway that forms between casing inner wall and the amortization pipe core outer wall through inner liner, first sound absorption layer and skin in proper order, and the gas through inner liner, first sound absorption layer and skin in this in-process carry out the noise elimination once more to the process, because the diameter of sound absorption hole one is less than the diameter of sound absorption hole two for the sound wave of different frequencies can be absorbed to inner liner and skin, consequently, the utility model discloses a carry out multistage amortization to gas to reach fine sound absorption effect.
(2) The utility model discloses the sectional area sum of well all ventilation holes, sound absorption hole one and sound absorption hole two equals the sectional area of gas outlet end, and the flow when making gas enter into the device is unchangeable with gaseous flow that enters into the boiler combustor from the device, consequently, still reduces and reachs in the standard range gaseous noise under the unchangeable circumstances of the volume of guaranteeing that gas gets into combustion boiler.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the structure at a in fig. 1.
In the figure: 1. a housing; 1a, a first shell; 1b, a second shell; 2. a protective mesh enclosure; 3. a ventilation board; 4. a flange; 5. a vent hole; 6. a sound-deadening tube core; 7. supporting the fixing member; 8. an inner liner layer; 9. a first sound absorbing layer; 10. an outer layer; 11. a first sound absorption hole; 12. a second sound absorption hole; 13. a second sound absorbing layer; 14. a gas inlet port; 15. a gas outlet end; 16. bird prevention net.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides an embodiment: a silencer of a gas boiler burner comprises a shell 1, a flange 4 and a silencing tube core 6, wherein the shell 1 is of an ┚ -shaped tubular structure formed by a shell 1a and a shell two 1b, the left end of the shell 1a is a gas inlet end 14, the top end of the shell two 1b is a gas outlet end 15, the gas outlet end 15 is connected with an air inlet of the boiler burner through the flange 4, the silencing tube core 6 is horizontally fixed on the inner wall of the shell 1a through a supporting and fixing piece 7, the silencing tube core 6 is of a pagoda-shaped structure with gradually increasing tube diameters from left to right, one end, far away from the gas inlet end 14, of the silencing tube core 6 is fixed with a ventilating plate 3, vent holes 5 are uniformly distributed in the ventilating plate 3, the silencing tube core 6 sequentially comprises an inner lining layer 8, a first sound absorbing layer 9 and an outer layer 10 from inside to outside, and the inner lining layer 8 and the outer layer 10 are respectively and uniformly distributed with a first sound absorbing hole 11 and a second sound, and the diameter of the first sound absorption hole 11 is smaller than that of the second sound absorption hole 12, and a second sound absorption layer 13 is arranged on the inner wall of the first shell 1 a.
Furthermore, the outer side wall of the first shell 1a is sleeved with the protective screen 2, the distance from the protective screen 2 to the outer side wall of the first shell 1a is 2-3cm, when the boiler burner continuously works, continuous ventilation is needed, and because gas continuously rubs against the inner wall of the first shell 1a to generate heat when passing through the first shell 1a, the human body is prevented from being scalded due to careless direct contact with the first shell 1a, and the protective screen 2 plays a role in separation.
Furthermore, the flange 4 is a buckle plate flange, the tightness of the buckle plate flange is good, the device is connected to the boiler burner through the buckle plate flange, and the phenomenon of leakage when gas enters the boiler burner from the device is prevented.
Further, the sum of the sectional areas of all the vent holes 5, the first sound absorption holes 11 and the second sound absorption holes 12 is equal to the sectional area of the gas outlet end 15, so that the flow rate of gas entering the device is unchanged with the flow rate of gas entering the boiler burner from the device, and therefore, the noise of the gas is reduced and the gas reaches the standard range under the condition of ensuring that the amount of the gas entering the combustion boiler is unchanged.
Further, an anti-bird net 16 is fixed on the gas inlet end 14 through bolts, so that small animals are prevented from entering the first casing 1 a.
Furthermore, the first sound absorption layer 9 and the second sound absorption holes 12 are both made of centrifugal cotton materials, fibers in the centrifugal glass cotton are fluffy and staggered, a large number of tiny pores exist, the material is a typical porous sound absorption material, and the material has good sound absorption characteristics, and has the advantages of flame retardance, no toxicity, corrosion resistance, small volume weight, low heat conductivity coefficient, strong chemical stability and the like.
The working principle is as follows: the shell 1 is fixed on an air inlet of a fan connected with a boiler burner through a flange 4, gas enters from the left end of a shell 1a, part of the gas directly enters into a combustion boiler through a space between the inner wall of the shell 1a and the outer wall of a silencing tube core 6, because the inner wall of the shell 1a is provided with a second sound absorption layer 13 and the second sound absorption layer 13 is made of centrifugal cotton material, the sound absorption performance is good, the gas passing through a gas channel formed between the inner wall of the shell 1a and the outer wall of the silencing tube core 6 can be silenced, and the rest of the gas enters the silencing tube core 6, because the silencing tube core 6 is of a pagoda-shaped structure with the gradually increased tube diameter from left to right, the silencing tube core 6 is utilized to consume the redundant kinetic energy of the gas in a mode of expanding and decelerating the gas, and the aim of silencing is achieved, in addition, because the silencing tube core 6 sequentially comprises an, First sound absorption layer 9 and outer 10, and correspond evenly distributed respectively on inner liner 8 and the outer 10 and have sound absorption hole 11 and sound absorption hole two 12, the gas that enters into in the amortization tube core 6 passes through inner liner 8 in proper order, first sound absorption layer 9 and outer 10 enter into the passageway that forms between 1a inner wall of casing and the 6 outer walls of amortization tube core, pass through inner liner 8 at this in-process, first sound absorption layer 9 and outer 10 carry out the noise elimination once more to the gas of process, because the diameter of sound absorption hole 11 is less than the diameter of sound absorption hole two 12, make inner liner 8 and outer 10 can absorb the sound wave of different frequencies, thereby reach fine sound-absorbing effect.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A silencer of a gas boiler burner, comprising a housing (1), a flange (4) and a silencing tube core (6), characterized in that: the utility model discloses a boiler burner, including casing (1), casing (1) and casing two (1b), the left end of casing (1a) is gas entry end (14), and the top of casing two (1b) is gas exit end (15), gas exit end (15) are connected with the air intake of boiler burner through flange (4), casing one (1a) inner wall is fixed with amortization tube core (6) through supporting mounting (7) level, amortization tube core (6) are the pagoda column structure of gradually increaseing from a left side to right pipe diameter, and amortization tube core (6) keep away from the one end of gas entry end (14) and are fixed with ventilating board (3), evenly distributed has ventilation hole (5) on ventilating board (3), amortization tube core (6) include inner liner (8), first sound-absorbing layer (9) and skin (10) from inside to outside in proper order, and the inner liner (8) and the outer layer (10) are respectively provided with a first sound absorption hole (11) and a second sound absorption hole (12) corresponding to the uniform distribution, the diameter of the first sound absorption hole (11) is smaller than that of the second sound absorption hole (12), and the inner wall of the first shell (1a) is provided with a second sound absorption layer (13).
2. The muffler of a gas boiler burner as recited in claim 1, wherein: the outer side wall of the first shell (1a) is sleeved with a protective mesh enclosure (2), and the distance from the protective mesh enclosure (2) to the outer side wall of the first shell (1a) is 2-3 cm.
3. The muffler of a gas boiler burner as recited in claim 1, wherein: the flange (4) is a pinch plate flange.
4. The muffler of a gas boiler burner as recited in claim 1, wherein: the sum of the sectional areas of all the vent holes (5), the sound absorption holes I (11) and the sound absorption holes II (12) is equal to the sectional area of the gas outlet end (15).
5. The muffler of a gas boiler burner as recited in claim 1, wherein: an anti-bird net (16) is fixed on the gas inlet end (14) through bolts.
6. The muffler of a gas boiler burner as recited in claim 1, wherein: the first sound absorption layer (9) and the second sound absorption hole (12) are both made of centrifugal cotton materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922435412.9U CN211502773U (en) | 2019-12-30 | 2019-12-30 | Silencer of gas boiler burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922435412.9U CN211502773U (en) | 2019-12-30 | 2019-12-30 | Silencer of gas boiler burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211502773U true CN211502773U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922435412.9U Active CN211502773U (en) | 2019-12-30 | 2019-12-30 | Silencer of gas boiler burner |
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|---|---|
| CN (1) | CN211502773U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738239A (en) * | 2022-03-29 | 2022-07-12 | 深圳市安保医疗科技股份有限公司 | Silencer and air compressor |
-
2019
- 2019-12-30 CN CN201922435412.9U patent/CN211502773U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738239A (en) * | 2022-03-29 | 2022-07-12 | 深圳市安保医疗科技股份有限公司 | Silencer and air compressor |
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