Exhaust silencer of still kettle

By designing the inner and outer tube structure and sound-absorbing cotton components, the problems of high exhaust noise and unsatisfactory sound reduction effect of the autoclave were solved, achieving a highly efficient noise reduction effect and avoiding the need for a large area of ​​water tank.

CN223519900UActive Publication Date: 2025-11-07LUOYANG YUGANG LONGQUAN NEW BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202423051957.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-07
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Traditional methods produce loud noise and have poor sound absorption when releasing steam from the autoclave, and require a large water tank, resulting in inadequate sound absorption.

Method used

It adopts an inner and outer tube structure. The inner tube is equipped with a slide and a sound-absorbing cover, while the inner wall of the outer tube is lined with sound-absorbing cotton. The inner tube also contains a sound insulation plate and a noise reduction component. The gas flows through the inner and outer tubes in an S-shaped pattern, which, combined with the sound-absorbing cotton and noise reduction component, reduces noise.

Benefits of technology

It achieves efficient noise reduction, reduces noise pollution, avoids the land occupation problem of large water tanks, and has a simple structure with significantly improved noise reduction effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

An exhaust silencer for a still kettle relates to the technical field of autoclave of aerated concrete and comprises an air inlet pipe, a silencing box body and an air outlet pipe, the air inlet pipe and the air outlet pipe are respectively fixed at two ends of the silencing box body, two ends of an inner pipe body of the silencing box body are communicated with the air inlet pipe and the air outlet pipe, and a long slideway is arranged along the length direction of the inner wall of the inner pipe body. The four sliding ways are evenly distributed in the circumferential direction of the inner wall of the inner pipe body, sound absorption covers are fixed to the four sliding ways at intervals, every four sound absorption covers fixed to the same circumference form a group, a sound attenuation assembly is arranged between every two adjacent groups, the adjacent sound attenuation assemblies are arranged in an up-and-down staggered mode, any sound attenuation assembly comprises sound absorption cotton B and a partition plate, and the sound absorption cotton B and the partition plate are arranged on the inner wall of the inner pipe body in an up-and-down staggered mode. A plurality of small holes are evenly formed in the partition plate, and sound absorption cotton B is fixed to the two end faces of the arc-shaped plate. The silencer is simple in structure and ingenious in arrangement, and the problems that in the prior art, the silencing effect is poor, and the occupied area is large due to the fact that a large pool is used are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to autoclave exhaust silencer device in aerated concrete steam pressure technical field, concretely relates to a kind of autoclave exhaust silencer device. BACKGROUND

[0002] It is known that aerated concrete block is a new type of building material with light weight, porous, heat preservation, good fire resistance, nailing, sawing, planing and seismic resistance. In the production process, through the process steps of slurry casting, molding, cutting, etc., and after autoclaving in autoclave, it is made. The autoclave needs to discharge steam during work. When the autoclave discharges steam, it will produce a lot of noise. To reduce this noise, the traditional method is to set a water tank near the autoclave, and connect the exhaust pipe of the autoclave to the water tank. The steam discharged from the exhaust pipe is silenced by the water in the water tank. This method requires a large water tank, which not only occupies a large area but also has unsatisfactory silencing effect. SUMMARY

[0003] In order to overcome the deficiencies in the background art, the utility model discloses an autoclave exhaust silencer device.

[0004] In order to achieve the purpose of the invention, the utility model adopts the following technical scheme:

[0005] An autoclave exhaust silencer device, comprising an inlet pipe, a silencer box and an outlet pipe, the inlet pipe and the outlet pipe are fixed at both ends of the silencer box, the silencer box comprises an outer pipe body and an inner pipe body arranged at intervals, the inner diameter of the inner pipe body is greater than the inner diameter of the inlet pipe and the outlet pipe, and both ends are in communication with the inlet pipe and the outlet pipe, a slide is provided along the length direction of the inner wall of the inner pipe body, four slides are evenly distributed along the circumference direction of the inner wall of the inner pipe body, and four sound-absorbing covers are fixed at intervals on the four slides, every four sound-absorbing covers fixed on the same circumference form a group, a sound-absorbing assembly is arranged between adjacent two groups, adjacent sound-absorbing assemblies are arranged in an upper and lower staggered manner, any sound-absorbing assembly comprises sound-absorbing cotton B and a baffle, the baffle is arranged as an arc plate, a plurality of small holes are uniformly arranged on the arc plate, sound-absorbing cotton B is fixed on both end faces of the arc plate, and the bottom of the baffle is fixed on the inner pipe body by bolts.

[0006] The autoclave exhaust silencer device has the same structure of inlet pipe and outlet pipe, a plurality of sound insulation discs are fixed at intervals in the inside, a plurality of upper and lower rows of holes are arranged on each sound insulation disc, each row of holes has a plurality of holes, and the plurality of rows of holes on adjacent sound insulation discs are arranged in an upper and lower staggered manner.

[0007] The autoclave exhaust silencer device has sound-absorbing cotton A fixed on the inner wall of the outer pipe body.

[0008] The autoclave exhaust silencer device has a bowl-shaped sound-absorbing cover, a plurality of round holes are uniformly arranged on the bowl wall.

[0009] The upper planes of the arc-shaped plates are higher than the axial center position of the inner pipe body.

[0010] Due to the adoption of the above technical scheme, the utility model has the following beneficial effects:

[0011] The steam pressure kettle exhaust silencing device sets the sound insulation disc inside the air inlet pipe, makes the gas into the inner pipe body branch, sets the through hole on the adjacent sound insulation disc up and down staggered, makes the branched gas flow rate slow down and then enters the inner pipe body, sets the sound absorbing cover and the silencing assembly in the inner pipe body, the arrangement of the silencing assembly makes the airflow S type trend, is equipped with four sound absorbing covers of the circular arrangement between two silencing assemblies, and the noise in the gas is weakened again, so that the silencing effect is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the structural schematic diagram of the utility model.

[0013] Fig. 2 It is the structural schematic diagram of the silencing assembly of the utility model.

[0014] In the drawing: 1, air inlet pipe; 2, outer pipe body; 3, sound absorbing cotton A; 4, bolt; 5, inner pipe body; 6, sound absorbing cover; 7, air outlet pipe; 8, silencing assembly; 9, through hole; 10, sound insulation disc; 11, sound absorbing cotton B; 12, partition; 13, slide. DETAILED DESCRIPTION

[0015] The utility model can be explained in detail by the following examples, and the purpose of the utility model is to protect all technical improvements within the scope of the utility model.

[0016] Combine the attached Figs. 1-2The exhaust silencing device of the autoclave comprises an air inlet pipe 1, a silencing box body and an air outlet pipe 7, the air inlet pipe 1 and the air outlet pipe 7 are fixed at two ends of the silencing box body respectively, the air inlet pipe 1 and the air outlet pipe 7 are the same in structure, a plurality of sound insulation discs 10 are fixed in the air inlet pipe 1 and the air outlet pipe 7 at intervals, a plurality of rows of through holes 9 are arranged on each sound insulation disc, each row of through holes 9 is provided with a plurality of through holes, and the plurality of rows of through holes 9 on adjacent sound insulation discs are arranged in an up-and-down staggered mode; the silencing box body comprises an outer pipe body 2 and an inner pipe body 5 arranged at intervals, sound-absorbing cotton A3 is fixed on the inner wall of the outer pipe body 2, the inner diameter of the inner pipe body 5 is greater than the inner diameters of the air inlet pipe 1 and the air outlet pipe 7, both ends of the inner pipe body 5 are in communication with the air inlet pipe 1 and the air outlet pipe 7, a slide 13 extending along the length direction of the inner wall of the inner pipe body 5 is arranged, the slide 13 is uniformly distributed in the circumferential direction of the inner wall of the inner pipe body 5 and is provided with four slides, sound-absorbing covers 6 are fixed on the four slides at intervals, the sound-absorbing cover 6 is provided in a bowl shape, a sliding block is arranged at the bottom of the sound-absorbing cover 6, the sound-absorbing cover 6 is slid in the slide through the bottom sliding block and is fixed through the fixing bolt on the slide, a plurality of circular holes are uniformly arranged on the bowl wall, every four sound-absorbing covers 6 arranged on the same circumference form a group, sound-absorbing assemblies 8 are arranged between adjacent two groups, adjacent sound-absorbing assemblies 8 are arranged in an up-and-down staggered mode, and each sound-absorbing assembly 8 comprises sound-absorbing cotton B11 and a baffle 12, the baffle 12 is provided in an arc shape and is made of sound-absorbing material, the upper surface of the baffle 12 is higher than the axial center position of the inner pipe body 5, a plurality of small holes are uniformly arranged on the baffle 12, and the sound-absorbing cotton B11 is fixed on the end surface of the baffle 12, and the bottom of the baffle 12 is fixed on the inner pipe body 5 through the bolt 4.

[0017] The exhaust silencing device of the autoclave is used, the air inlet pipe 1 is connected with the exhaust pipe on the autoclave, the steam discharged from the exhaust pipe enters the air inlet pipe 1, the gas is branched and the gas flow rate is slowed down through the arrangement of the plurality of sound insulation discs 10, the gas with slowed down flow rate enters the inner pipe body 5, the outer pipe body 2 is arranged outside the inner pipe body 5, the sound-absorbing cotton A3 is fixed on the inner wall of the outer pipe body 2, the gas entering the inner pipe body 5 is slowed down due to the sound insulation effect, the gas is in an S-shaped trend due to the up-and-down staggered arrangement of the sound-absorbing assemblies 8, the gas flow rate is further slowed down, the sound-absorbing cotton B11 on the sound-absorbing assemblies 8 gradually reduces the decibel of the noise, a plurality of sound-absorbing covers 6 are arranged on the inner wall of the inner pipe body 5, the exhaust noise of the autoclave is eliminated, the sound-absorbing effect is good, and finally the gas is discharged through the air outlet pipe 7.

[0018] The part not described in the utility model is prior art.

[0019] In order to disclose the invention purpose of the utility model, the embodiments selected in the text are considered to be appropriate at present, however, it should be understood that the utility model aims to include all changes and improvements of all embodiments belonging to the concept and utility model range.

Claims

1. An exhaust silencer for an autoclave, comprising an inlet pipe, a silencer housing and an outlet pipe, characterized in that: The air inlet pipe and the air outlet pipe are fixed at two ends of the sound attenuation box body respectively, the sound attenuation box body comprises an outer pipe body and an inner pipe body arranged in the outer pipe body, the inner diameter of the inner pipe body is larger than the inner diameters of the air inlet pipe and the air outlet pipe, both ends of the inner pipe body are in communication with the air inlet pipe and the air outlet pipe, a slide channel is arranged along the length direction of the inner wall of the inner pipe body, four slide channels are evenly distributed along the circumferential direction of the inner wall of the inner pipe body, and sound absorption covers are fixed on the four slide channels at intervals, every four sound absorption covers fixed along the same circumference form a group, sound attenuation assemblies are arranged between every two adjacent groups, the adjacent sound attenuation assemblies are arranged in an up-down staggered mode, any sound attenuation assembly comprises sound absorption cotton B and a baffle, the baffle is arranged as an arc-shaped plate, a plurality of small holes are evenly arranged on the arc-shaped plate, the sound absorption cotton B is fixed on the two end faces of the arc-shaped plate, and the bottom of the baffle is fixed on the inner pipe body by bolts.

2. The steam autoclave exhaust silencer apparatus as claimed in claim 1, wherein: The air inlet pipe and the air outlet pipe are the same in structure, a plurality of sound insulation discs are fixed in the air inlet pipe and the air outlet pipe at intervals, a plurality of rows of through holes are arranged on the sound insulation discs in an up-down staggered mode, and each row of through holes comprises a plurality of through holes.

3. The steam autoclave exhaust silencer apparatus as claimed in claim 1, wherein: Sound absorption cotton A is fixed on the inner wall of the outer pipe body.

4. The steam autoclave exhaust silencer of claim 1 wherein: The sound absorption cover is arranged as a bowl, a plurality of circular holes are evenly arranged on the bowl wall.

5. The steam autoclave exhaust silencer of claim 1 wherein: The upper plane of the arc-shaped plate is higher than the axial center position of the inner pipe body.