阅读说明：本技术 一种柔性连接消音器 (Flexible connection silencer ) 是由 李忠云 于 2020-08-25 设计创作，主要内容包括：本发明公开了一种柔性连接消音器,包括筒体、设置在筒体内的下部消音装置和设置在筒体内的上部消音装置,所述下部消音装置包括气流管道、一级减压装置和二级减压装置,所述一级减压装置连接在气流管道上方,所述二级减压装置设置在一级减压装置外侧,所述一级减压装置和二级减压装置外壁均设置有均匀的气流孔,所述气流管道与筒体底壁之间留有空隙,所述筒体底壁位于空隙上方位置设置有滑动连接罩,所述气流管道穿过滑动连接罩,所述气流管道上连接有进气口法兰,所述筒体底壁上连接有排水口法兰,所述上部消音装置与下部消音装置之间设置有连接架,所述上部消音装置顶部与筒体之间通过固定横杆固定。(The invention discloses a flexible connection silencer, which comprises a cylinder body, a lower silencer arranged in the cylinder body and an upper silencer arranged in the cylinder body, the lower silencer comprises an airflow pipeline, a primary pressure reducing device and a secondary pressure reducing device, the primary pressure reducing device is connected above the airflow pipeline, the secondary pressure reducing device is arranged outside the primary pressure reducing device, the outer walls of the primary pressure reducing device and the secondary pressure reducing device are both provided with uniform airflow holes, a gap is reserved between the airflow pipeline and the bottom wall of the cylinder body, a sliding connection cover is arranged at the position of the bottom wall of the cylinder body above the gap, the air flow pipeline penetrates through the sliding connection cover, an air inlet flange is connected to the air flow pipeline, a water outlet flange is connected to the bottom wall of the cylinder body, a connecting frame is arranged between the upper silencer and the lower silencer, and the top of the upper silencer and the barrel are fixed through a fixed cross rod.)

1. A flexible connection muffler characterized by: comprises a cylinder body, a lower silencer arranged in the cylinder body and an upper silencer arranged in the cylinder body, the lower silencer comprises an airflow pipeline, a primary pressure reducing device and a secondary pressure reducing device, the primary pressure reducing device is connected above the airflow pipeline, the secondary pressure reducing device is arranged outside the primary pressure reducing device, the outer walls of the primary pressure reducing device and the secondary pressure reducing device are both provided with uniform airflow holes, a gap is reserved between the airflow pipeline and the bottom wall of the cylinder body, a sliding connection cover is arranged at the position of the bottom wall of the cylinder body above the gap, the air flow pipeline penetrates through the sliding connection cover, an air inlet flange is connected to the air flow pipeline, a water outlet flange is connected to the bottom wall of the cylinder body, a connecting frame is arranged between the upper silencer and the lower silencer, and the top of the upper silencer and the barrel are fixed through a fixed cross rod.

2. A flexible connection silencer according to claim 1, wherein: the bottom of the cylinder body is also provided with a fixed support.

3. A flexible connection silencer according to claim 1, wherein: and a support is arranged in the middle of the outer wall of the cylinder body.

4. A flexible connection silencer according to claim 1, wherein: and the top of the outer wall of the barrel is also provided with an installation lifting lug.

The technical field is as follows:

the invention relates to the technical field of smoke emission, in particular to a flexible connection silencer.

Background art:

the silencer is widely applied to industries such as petrochemical industry, electric power and the like, and is used for eliminating noise generated when gas is discharged. Many all are high temperature high pressure medium when discharging such as steam turbine among the petrochemical industry device, main fan, boiler exhaust, the muffler of current single structural style hardly adapts to such operating mode condition, in addition, along with the maximization of petrochemical device, the muffler appearance is also at the grow, need install bellows expansion joint etc. in order to compensate the pipeline thermal expansion usually at pipeline kneck, external bellows expansion joint can increase device cost and installation more loaded down with trivial details, consequently need make corresponding improvement on this basis.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

The invention content is as follows:

it is an object of the present invention to provide a flexibly connected muffler that overcomes the above-mentioned deficiencies of the prior art.

In order to achieve the purpose, the invention provides a flexible connection silencer, which comprises a cylinder body, a lower silencer arranged in the cylinder body and an upper silencer arranged in the cylinder body, wherein the lower silencer comprises an airflow pipeline, a primary pressure reducing device and a secondary pressure reducing device, the primary pressure reducing device is connected above the airflow pipeline, the secondary pressure reducing device is arranged outside the primary pressure reducing device, the outer walls of the primary pressure reducing device and the secondary pressure reducing device are both provided with uniform airflow holes, a gap is reserved between the airflow pipeline and the bottom wall of the cylinder body, a sliding connection cover is arranged at the position above the gap at the bottom wall of the cylinder body, the airflow pipeline penetrates through the sliding connection cover, the airflow pipeline is connected with an air inlet flange, a water outlet flange is connected on the bottom wall of the cylinder body, and a connecting frame is arranged between the upper silencer and the lower silencer, the top of the upper silencer and the barrel are fixed through a fixed cross rod.

The bottom of the cylinder body is also provided with a fixed support.

And a support is arranged in the middle of the outer wall of the cylinder body.

And the top of the outer wall of the barrel is also provided with an installation lifting lug.

Compared with the prior art, the invention has the following beneficial effects:

the bottom wall of the cylinder body and the airflow pipeline are not welded, and the sliding connection cover, the bottom wall of the cylinder body and the airflow pipeline are not welded, so that the requirements of expansion with heat and contraction with cold of the pipeline can be met without an external device; the combined design of the upper and lower silencing devices is more beneficial to silencing; the support, the support and the mounting lifting lug are arranged, so that the mounting and the dismounting are more convenient.

Description of the drawings:

FIG. 1 is a schematic view of a flexible coupling muffler of the present invention;

FIG. 2 is a schematic view of a flexible coupling silencer of the present invention;

FIG. 3 is a partial schematic view of an outer wall of a secondary pressure relief device of the present invention;

the reference signs are: 1-cylinder, 2-lower silencer, 21-airflow pipeline, 22-primary decompressor, 23-secondary decompressor, 3-upper silencer, 4-gap, 5-sliding connecting cover, 6-air inlet flange, 7-water outlet flange, 8-connecting frame, 9-fixed cross bar, 10-fixed support, 11-support and 12-installation lifting lug.

The specific implementation mode is as follows:

the following detailed description of specific embodiments of the invention is provided, but it should be understood that the scope of the invention is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

As shown in fig. 1-3, a flexible connection silencer comprises a cylinder 1, a lower silencer 2 disposed in the cylinder 1, and an upper silencer 3 disposed in the cylinder 1, where the lower silencer 2 includes an airflow duct 21, a primary decompressor 22, and a secondary decompressor 23, the primary decompressor 22 is connected above the airflow duct 21, the secondary decompressor 23 is disposed outside the primary decompressor 21, the outer walls of the primary decompressor 22 and the secondary decompressor 23 are both provided with uniform airflow holes, a gap 4 is left between the airflow duct 21 and the bottom wall of the cylinder 1, a sliding connection cover 5 is disposed above the gap 4 on the bottom wall of the cylinder 1, the airflow duct 21 passes through the sliding connection cover 5, an air inlet flange 6 is connected to the airflow duct 21, and a water outlet flange 7 is connected to the bottom wall of the cylinder 1, a connecting frame 8 is arranged between the upper silencer 3 and the lower silencer 2, and the top of the upper silencer 3 is fixed with the barrel 1 through a fixed cross rod 9.

Further, in order to facilitate the installation and fixation of the equipment, the bottom of the cylinder 1 is also provided with a fixing bracket 10.

Furthermore, in order to facilitate the carrying of the equipment, a support 11 is arranged in the middle of the outer wall of the cylinder 1.

Furthermore, in order to facilitate carrying and installation of the equipment, the top position of the outer wall of the barrel 1 is further provided with an installation lifting lug 12.

During implementation, the air inlet flange 6 is connected with a high-temperature flue gas pipeline, high-temperature flue gas flows into the first-stage pressure reducing device 22, flows into the second-stage pressure reducing device 23 through the air flow hole in the outer wall after being subjected to pressure reduction and noise reduction through the first-stage pressure reducing device 22, further flows into the barrel body 1 after being subjected to pressure reduction and noise reduction, is further discharged after being subjected to noise reduction through the upper noise reducing device 3, and water drops formed in the process are discharged from the water outlet flange 7. Because the bottom wall of the cylinder body 1 and the airflow pipeline 21 are not welded and a gap 4 is reserved between the bottom wall of the cylinder body 1 and the airflow pipeline 21, in addition, the sliding connection cover 5, the bottom wall of the cylinder body 1 and the airflow pipeline 21 are not welded, and the airflow pipeline 21 can be buffered through the gap 4 when expanding with heat, wherein the sliding connection cover 5 not only is beneficial to expanding with heat and contracting with cold of the airflow pipeline 21, but also can play a supporting role for the lower silencer 2, the invention has simple structure, and can meet the requirements of expanding with heat and contracting with cold of the pipeline without an external device; the combined design of the upper and lower silencing devices is more beneficial to silencing; the support 10, the support 11 and the mounting lug 12 are arranged to facilitate disassembly and assembly.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.