CN216950532U - Round vertical exhaust silencer with star-moon shaped rain-proof function - Google Patents

Abstract

The utility model discloses a star-moon rainwater-proof circular vertical exhaust silencer, which comprises a cylinder shell and an inner cylinder arranged at the inner side of the cylinder shell, wherein sound absorption filling materials are filled in an interlayer at one side opposite to the cylinder shell and the inner cylinder, lantern ring core body fixers are arranged at the upper side and the lower side of the inner cylinder, a moon core body is welded and installed in the middle of the lantern ring core body fixer, the lower end of the inner cylinder is communicated with an air inlet, the upper end of the inner cylinder is communicated with an exhaust port, an ash cylinder is fixed at the inner end of the lower side of the inner cylinder in a surrounding welding mode, the lower end of the left side of the ash cylinder penetrates through the cylinder shell and is communicated with a hand hole, the lower end of the right side of the ash cylinder penetrates through the cylinder shell and is communicated with a drain hole, the moon core body comprises a silencing section, and under the condition that the sound absorption core body is arranged in the exhaust silencer, the device, the structure has independent rainwater-proof, spark suppression and dust-removal functions and a rainwater drainage function, Inhibiting spark in tail gas of diesel engine and eliminating ash.

Description

Round vertical exhaust silencer with star-moon shaped rain-proof function

Technical Field

The utility model belongs to the technical field of exhaust mufflers of marine diesel engines or internal combustion engines, and particularly relates to a star-moon rainwater-proof circular vertical exhaust muffler.

Background

The exhaust end of a marine diesel engine or an internal combustion engine not only can generate very high exhaust noise, but also can exhaust high-temperature and high-speed airflow, and simultaneously has the phenomenon of non-uniform combustion, and the exhausted tail gas still has a large amount of unburnt ash and sparks; however, these ashes enter the gas flow duct of the muffler, create a build-up and block the sound-absorbing facing, affecting the sound-attenuating properties of the muffler, and unextinguished sparks can pose a fire hazard. In case of rainy and snowy weather, rainwater flows into the diesel engine or internal combustion engine and other equipment through the airflow pipeline of the silencer, so that corrosion or other damage is caused; the normal work of equipment such as a diesel engine or an internal combustion engine is influenced.

At present, although people have developed an exhaust silencer which can not only have a rain-proof structure and remove ash and is high-temperature resistant and can inhibit sparks, the prior art is not mature; no matter the rain-proof water structure and the ash removal are adopted, the pneumatic performance of the silencer still has a space for continuously optimizing and improving the progress, and in order to solve the problems, the star-moon rain-proof circular vertical exhaust silencer is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems, the star-moon-shaped rainwater-proof circular vertical exhaust silencer is provided.

The technical scheme adopted by the utility model is as follows: a star-moon type rain-proof circular vertical exhaust silencer comprises a cylinder shell and an inner cylinder body arranged on the inner side of the cylinder shell, sound absorption filling materials are filled in an interlayer on one side opposite to the cylinder shell and the inner cylinder body, lantern ring core body fixing devices are arranged on the upper side and the lower side of the inner cylinder body, a moon core body is welded in the middle of each lantern ring core body fixing device, a plurality of star core bodies are arranged at the outer end of each moon core body on the lantern ring core body fixing devices, an air inlet is communicated with the lower end of the inner cylinder body, an air outlet is communicated with the upper end of the inner cylinder body, an ash cylinder is fixed to the inner end of the lower side of the inner cylinder body in a surrounding welding mode, a hand hole is communicated with the lower end of the left side of the ash cylinder through the cylinder shell, a water outlet is communicated with the right side lower end of the ash cylinder through the cylinder shell, the moon core body comprises a silencing section, and two ends of the silencing section are fixedly arranged in the inner cylinder body through the lantern ring core body fixing devices, the lower extreme welding of noise elimination section is installed the kuppe, the lower extreme welding of kuppe is installed the swirler.

In a preferred embodiment, a swirler fixer is arranged at the lower end of the swirler in a matching manner on the inner side of the inner cylinder, a tail cone is welded and installed at the upper end of the muffling section, the air guide sleeve is in a short shoulder shape or a common cone shape, the star-shaped core body is uniformly arranged at the outer end of the moon-shaped core body in a surrounding manner, and the star-shaped core body is formed by sequentially welding a second tail cone, a second muffling section and a second air guide sleeve.

In a preferred embodiment, one end of each of the air inlet, the air outlet, the ash cylinder and the water drain hole is respectively welded with a connecting flange, the cylinder shell can be made of one metal of a stainless steel plate, an aluminum plate, a low-carbon steel plate, a galvanized steel plate, a copper plate and a titanium plate, the thickness of the cylinder shell is 0.8-1.5 mm, an air flow channel is formed between the inner cylinder and the moon core and between the inner cylinder and the plurality of star cores, the outer diameter of the moon core is 300-1000 mm, the outer diameter of the star cores is 70-100 mm, and the number of the star cores is 6-12.

In a preferred embodiment, the sound absorption filler is a high-temperature-resistant porous sound absorption filler, the inner cylinder and the sound absorption filler are provided with high-temperature non-woven fabrics, the inner cylinder and the ash cylinder are both made of metal perforated plates, and the sound absorption section and the second sound absorption section are composed of the sound absorption filler, the high-temperature non-woven fabrics and a perforated protective panel.

In a preferred embodiment, the swirl plate holder is provided with a contraction section, the inclination angle α of the contraction section is 5-25 °, an airflow steering angle β is formed between the conical surface of the air guide sleeve and the extension line of the ash cylinder, and the steering angle β is 15-25 °.

In a preferred embodiment, the inner diameter of the hand hole is 130-200 mm, the inner diameter of the drain hole is 60-100 mm, and the wall thickness of the hand hole and the wall thickness of the drain hole are both 1-2 mm.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. in the utility model, airflow flows up and down along the airflow channel and finally enters the exhaust port of the silencer to form confluence, high-speed airflow is discharged out of the silencer together, noise and airflow alternating noise generated in the exhaust process of a diesel engine or an internal combustion engine are eliminated or degraded to meet certain index noise reduction under the action of the sound absorption filler between the moon core and the star core in the silencer and between the inner cylinder and the cylinder shell, the noise reduction process is completed, and the integral noise reduction effect of the device can be greatly improved.

2. In the utility model, gas enters the cyclone sheet fixer from the gas inlet, the gas flow rotates under the action of the cyclone, and comes to the tail cones of the ash cylinder and the moon-shaped core body, the gas flow carrying ash passes through the cyclone and the ash cylinder, the ash is thrown into the water and ash collecting cavity in the ash cylinder, the ash rolls in the water and ash collecting cavity to form backflow, the ash is discharged out of the silencer through a hand hole, and in operation, rainwater enters the gas flow channel under the guidance of the closing-in of the gas outlet end, the tail cone in the moon-shaped core body and the second tail cone in the star-shaped core body through the gas outlet of the silencer, and comes to the water and ash collecting cavity through the silencing section and the second silencing section in the moon-shaped core body, the second flow guide cover and the flow guide cover; the rainwater rolls in the water and ash collecting cavity to generate rotational flow, finally the rainwater is discharged out of the silencer through the water discharging holes, a rainwater discharging flow is completed, the functions of water prevention and ash removal can be achieved in the silencing process, and meanwhile the integral structure is simple.

Drawings

FIG. 1 is a schematic cross-sectional structural view of the present invention in its entirety;

FIG. 2 is a schematic view of the structure of the dome of the lunar core of the present invention in short shoulder shape and generally tapered shape;

FIG. 3 is a schematic three-dimensional configuration of the ferrule core holder of the present invention in connection with a lunar core and a star core;

FIG. 4 is a schematic view of the overall gas flow configuration of the present invention;

fig. 5 is a schematic view showing the overall rainwater flow structure according to the present invention.

The mark in the figure is: 1-cylinder shell, 2-sound absorption filler, 3-inner cylinder, 4-airflow channel, 5-star core, 6-moon core, 61-tail cone, 62-sound absorption section, 63-air guide sleeve, 64-swirler, 7-lantern ring core fixer, 8-ash cylinder, 9-water drain hole, 10-hand hole, 11-air inlet and 12-air outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-5, a star-moon type rain-proof circular vertical exhaust muffler comprises a cylinder shell 1 and an inner cylinder 3 arranged at the inner side of the cylinder shell 1, sound absorption fillers 2 are filled in an interlayer at one side opposite to the cylinder shell 1 and the inner cylinder 3, a moon core 6 in the muffler and the sound absorption fillers 2 between the star core 5 and the inner cylinder 3 and the cylinder shell 1 are used for eliminating noise or degrading the noise to a noise reduction amount meeting a certain index, lantern ring core holders 7 are arranged at the upper side and the lower side of the inner cylinder 3, the moon core 6 is welded at the middle part of the lantern ring core holder 7, a plurality of star cores 5 are arranged at the outer end of the moon core 6 on the lantern ring core holder 7, the moon core 6 and the star cores 5 can be fixedly arranged at the inner side of the muffler device through the lantern ring core holder 7, the lower end of the inner cylinder 3 is communicated with an air inlet 11, high-speed tail gas flow is discharged through the gas inlet 11, the upper end of the inner cylinder 3 is communicated with the gas outlet 12, the gas flow after noise elimination is discharged through the gas outlet 12, meanwhile, rainwater can be discharged into the device through the gas outlet 12, the inner end of the lower side of the inner cylinder 3 is fixedly welded and surrounded with the ash cylinder 8, the lower end of the left side of the ash cylinder 8 penetrates through the cylinder shell 1 and is communicated with the hand hole 10, the lower end of the right side of the ash cylinder 8 penetrates through the cylinder shell 1 and is communicated with the water discharge hole 9, the moon-shaped core body 6 comprises a noise elimination section 62, two ends of the noise elimination section 62 are fixedly arranged in the inner cylinder 3 through the lantern ring core body fixer 7, the lower end of the noise elimination section 62 is welded and provided with the flow guide cover 63, the lower end of the flow guide cover 63 is welded and provided with the swirler 64, the gas, dust and rainwater which enter can flow back through the swirler 64, under the action of the swirler 64, the gas flow rotates to come to the tail cone 61 of the ash cylinder 8 and the moon-shaped core body 6, the air current that carries ashes passes through swirler 64 and ash barrel 8, throws into the album ash chamber of catchmenting in ash barrel 8 with ashes, and ashes rolls in album ash intracavity production of catchmenting, forms the backward flow, and through hand hole 10 with ashes discharge muffler outside, can accomplish the ash removal function.

It should be noted that, the lower end of the swirler 64 is provided with a swirler holder in a matching manner on the inner side of the inner barrel 3, the upper end of the muffling segment 62 is welded with a tail cone 61, the air guide sleeve 63 is in a short shoulder shape or a common cone shape, the starry core body 5 is uniformly arranged at the outer end of the lunar core body 6 in a surrounding manner, the starry core body 5 is formed by welding a second tail cone, a second muffling segment and a second air guide sleeve in sequence, and the high-speed air flow can be guided and split to enter the air flow channel 4 through the tail cone 61 of the lunar core body 6 and the second tail cone of the starry core body 5.

It should be noted that, one end of the air inlet 11, the air outlet 12, the ash cylinder 8 and the water discharge hole 9 are respectively welded and installed with a connecting flange, the barrel shell 1 can be made of one metal of a stainless steel plate, an aluminum plate, a low-carbon steel plate, a galvanized steel plate, a copper plate and a titanium plate, the thickness of the barrel shell 1 is 0.8-1.5 mm, air flow channels 4 are formed among the inner barrel 3, the moon core 6 and the star cores 5, the outer diameter of the moon core 6 is 300-1000 mm, the outer diameter of the star cores 5 is 70-100 mm, the number of the star cores 5 is 6-12, the moon-shaped sound absorption core body combined structure is formed by taking the moon-shaped core body 6 as the center and uniformly distributing a plurality of star-shaped core bodies 5 outwards, so that the numerical value of low-frequency noise reduction can be effectively improved, and the condition of high-frequency failure can be reduced.

It should be noted that the sound absorption filler 2 is a high temperature resistant porous sound absorption filler, the inner cylinder 3 and the sound absorption filler 2 are provided with high temperature non-woven fabrics, the inner cylinder 3 and the ash cylinder 8 are both made of metal perforated plates, and the muffling segment 62 and the second muffling segment are composed of the sound absorption filler, the high temperature non-woven fabrics and a perforated protective panel, so that the muffling segment 62 and the second muffling segment have the functions of muffling and fire removing, can resist high temperature and high speed airflow scouring, and ensure the service life of the whole body.

It should be noted that the spinning disk fixer is provided with a contraction section, the inclination angle alpha of the contraction section is 5-25 degrees, an airflow steering angle beta is formed between the conical surface of the guide cover 63 and the extension line of the ash cylinder 8, and the steering angle beta is 15-25 degrees.

The inner diameter of the hand hole 10 is 130-200 mm, the inner diameter of the drain hole 9 is 60-100 mm, and the wall thickness of the hand hole 10 and the wall thickness of the drain hole 9 are both 1-2 mm, so that dust can be drawn out manually, and the dust removal function is completed.

The working principle is as follows: when the device is used, the device is integrally arranged on an exhaust head of a diesel engine (or an internal combustion engine), when high-speed tail gas flow carrying ash in the diesel engine or the internal combustion engine enters an air inlet 11 of an exhaust silencer, the temperature is reduced, sparks are extinguished, the tail gas flow enters a vortex sheet fixer, the gas flow rotates under the action of a cyclone 64 and enters a tail cone 61 of an ash cylinder 8 and a moon core 6, the gas flow carrying ash passes through the cyclone 64 and the ash cylinder 8, the ash is thrown into a water and ash collecting cavity in the ash cylinder 8, the ash rolls in the water and ash collecting cavity to form backflow, the ash is discharged out of the silencer through a hand hole 10, the gas flow continues to flow, the flow is divided and enters an air flow channel 4 under the guide of the tail cone 61 of the moon core 6 and a second tail cone of the star core 5, and passes through a silencing section 62 and a guide cover 63 of the moon core 6 and a second silencing section and a second guide cover of the star core 5, finally, the end of the exhaust port 12 entering the muffler forms confluence to discharge high-speed airflow out of the muffler together, meanwhile, noise and airflow alternating noise generated by a diesel engine or an internal combustion engine in the exhaust process are eliminated or degraded to meet certain index noise reduction under the action of the moon core 6 and the star core 5 in the muffler and the sound absorption filler 2 between the inner cylinder 3 and the cylinder shell 1, the work flow of one-time exhaust and noise reduction is completed, and then the circulation is continued.

When rain and snow weather appears, rainwater passes through the exhaust port 12 of the silencer, the end of the exhaust port 12 is closed, the tail cone 19 in the moon core body 6 and the second tail cone in the star core body 5 are guided, the rainwater enters the airflow channel 4, the rainwater enters the water and dust collecting cavity through the silencing section 62 and the second silencing section in the moon core body 6 and the star core body 5, the second flow guide cover and the flow guide cover 63, the rainwater rolls in the water and dust collecting cavity to generate rotational flow, finally the rainwater is discharged out of the silencer through the water discharging hole 9, a rainwater discharging flow is completed, circulation continues, and a rainwater prevention effect can be achieved.

The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the utility model, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a circular vertical exhaust muffler of star moon type rainwater, includes barrel shell (1) and sets up at barrel shell (1) inboard interior barrel (3), its characterized in that: the sound absorption type dust collector is characterized in that sound absorption filling materials (2) are filled in an interlayer on one opposite side of the barrel shell (1) and the inner barrel (3), lantern ring core body retainers (7) are arranged on the upper side and the lower side of the inner barrel (3), a moon core body (6) is welded and installed in the middle of each lantern ring core body retainer (7), a plurality of star core bodies (5) are installed at the outer end of each moon core body (6) in each lantern ring core body retainer (7), the lower end of the inner barrel (3) is communicated with an air inlet (11), the upper end of the inner barrel (3) is communicated with an air outlet (12), an ash barrel (8) is welded and fixed at the inner end of the lower side of the inner barrel (3) in a surrounding mode, a hand hole (10) is communicated with the lower end of the left side of the ash barrel (8) penetrating through the barrel shell (1), a water drain hole (9) is communicated with the lower end of the right side of the ash barrel (8) penetrating through the barrel shell (1), and the moon core body (6) comprises a sound absorption section (62), the two ends of the muffling section (62) are fixedly arranged in the inner barrel (3) through a lantern ring core body fixer (7), a flow guide cover (63) is welded to the lower end of the muffling section (62), and a swirler (64) is welded to the lower end of the flow guide cover (63).

2. The star-moon type rain-proof circular vertical exhaust muffler of claim 1, wherein: the inboard matching of barrel (3) is provided with the swirler fixer including the lower extreme of swirler (64), the upper end welded mounting of noise elimination section (62) has tail cone (61), kuppe (63) are short shoulder shape or ordinary toper, the even outer end that sets up in moon core (6) that encircles of star core (5), star core (5) are welded in proper order for second tail cone, second noise elimination section and second kuppe and form.

3. The star-moon type rain-proof circular vertical exhaust muffler of claim 1, wherein: the utility model discloses a solar water heater, including barrel shell (1), air inlet (11), gas vent (12), ash cylinder (8) and wash port (9), the one end of barrel shell (1) respectively welded mounting have a flange, barrel shell (1) material can be corrosion resistant plate, aluminum plate, mild steel plate, galvanized steel sheet, the metal in copper and the titanium plate, barrel shell (1) thickness is 0.8 ~ 1.5mm, form airflow channel (4) between interior barrel (3) and month core (6) and a plurality of star core (5), the external diameter of month core (6) is 300 ~ 1000mm, the external diameter of star core (5) is 70 ~ 100mm, star core (5) number is 6 ~ 12.

4. The star-moon type rain-proof circular vertical exhaust muffler of claim 1, wherein: the sound absorption filler (2) is a high-temperature-resistant porous sound absorption filler, high-temperature non-woven fabrics are arranged on the inner cylinder body (3) and the sound absorption filler (2), the inner cylinder body (3) and the ash cylinder (8) are made of metal perforated plates, and the muffling section (62) and the second muffling section are composed of the sound absorption filler, the high-temperature non-woven fabrics and a perforated protective panel.

5. The star-moon type rain-proof circular vertical exhaust muffler of claim 1, wherein: the vortex sheet fixer is provided with a contraction section, the inclination angle alpha of the contraction section is 5-25 degrees, an airflow steering angle beta is formed between the conical surface of the air guide sleeve (63) and the extension line of the ash cylinder (8), and the steering angle beta is 15-25 degrees.

6. The star-moon type rain-proof circular vertical exhaust muffler of claim 1, wherein: the inner diameter of the hand hole (10) is 130-200 mm, the inner diameter of the drain hole (9) is 60-100 mm, and the wall thicknesses of the hand hole (10) and the drain hole (9) are 1-2 mm.

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