CN207687557U - Combined silencer for safety valve discharge - Google Patents

Abstract

A combined silencer for safety valve discharge comprises a silencer for silencing and a speed reduction silencer for reducing flow speed and further silencing, wherein the silencer is communicated with the speed reduction silencer; the speed reduction silencer is provided with a gas flow passage for exhausting gas; the front part of the silencer is provided with a silencer inlet, and the silencer inlet is connected with the exhaust part of the safety valve. The beneficial effect of this application is: the noise of the air flow processed by the silencer and the speed reduction silencer is obviously reduced, the environmental pollution is greatly reduced, the working environment is effectively improved, the interference and the damage to people are also reduced, and the working efficiency is improved.

Description

A kind of safety valve discharge combination silencing means

Technical field

The application belongs to safety valve technical field, specifically, being related to a kind of safety valve discharge combination silencing means.

Background technology

During safety valve discharges gas use, noise is will produce, pollution is caused to environment.So arranging safety valve The noise reduction of deflation not only effectively improves working environment, also reduces interference and injury to people, and the safety being also greatly reduced is hidden Suffer from, keeps safety valve testing operating process safer accurate.

Safety valve silencer is a kind of silencer, be mainly used for safety valve in the industries such as electric power, chemical industry, metallurgy, Pcv valve and Effective noise elimination of the high temperature and high pressure steam discharge of exhaust steam valve.But silencer processing capacity used at present and acoustical absorptivity are not Height cannot also work continuously mostly, cannot meet the requirement that practical safety valve discharge gas is eliminated the noise.

Invention content

In view of this, there is provided a kind of safety valves to discharge with combination noise reduction dress for technical problems to be solved in this application It sets, not only processing capacity is big, and de-noising is efficient, and can be with continuous work.

In order to solve the above-mentioned technical problem, it is discharged this application discloses a kind of safety valve and uses combination silencing means, and used Following technical scheme is realized.

A kind of safety valve discharge combination silencing means includes going forward side by side one for the muffler of noise reduction and for reducing flow velocity Walk the reduction of speed muffler of noise reduction；The muffler is connected with the reduction of speed muffler；It is arranged and uses on the reduction of speed muffler In the gas flow of exhaust；Muffler entrance is arranged in the front of the muffler, and the muffler entrance is arranged with the safety valve Gas portion connects.

Further, the muffler includes surge chamber and anechoic chamber, the rear end of the surge chamber and anechoic chamber's phase Lead to and connects；The muffler entrance is arranged in the surge chamber front；The peripheral wall of the anechoic chamber is noise-reducing structure；The anechoic chamber Interior that porous noise reduction cylinder is arranged, the porous noise reduction cylinder is the tubular of one end open, and the front end of open end and the anechoic chamber connects It connects；The porous noise reduction cylinder is surrounded by several stomatas.

Further, four walls of the anechoic chamber are layer structure, are followed successively by metal protecting wire net, outer barrel from outside to inside and disappear Sound material is affixed connection between adjacent layer.

Further, the reduction of speed muffler includes preceding velocity reduction chamber, main velocity reduction chamber and air-flow surge chamber successively from front to back； The preceding velocity reduction chamber, the main velocity reduction chamber and the air-flow buffer room are sequentially communicated connection；The preceding velocity reduction chamber and the noise reduction The exhaust end of device is connected；The gas flow, the gas flow and the main velocity reduction chamber are arranged at the main velocity reduction chamber It communicates.

Further, the concrete mode that the exhaust end of the preceding velocity reduction chamber and the muffler is connected is is disposed in The first connecting tube for stating anechoic chamber end and the second connecting tube for being disposed in the preceding velocity reduction chamber front end pass through flanged joint.

Compared with prior art, the application can be obtained including following technique effect：At muffler and reduction of speed muffler Pneumatic noise after reason significantly reduces, and greatly reduces environmental pollution, effectively improves working environment, also reduces and is done to people It disturbs and injures, which thereby enhance working efficiency.

Certainly, implementing any product of the application must be not necessarily required to reach all the above technique effect simultaneously.

Description of the drawings

Attached drawing described herein is used for providing further understanding of the present application, constitutes part of this application, this Shen Illustrative embodiments and their description please do not constitute the improper restriction to the application for explaining the application.In the accompanying drawings：

Fig. 1 is that the application combines silencing means structural schematic diagram.

Fig. 2 is the application muffler structure schematic diagram.

Fig. 3 is the application reduction of speed muffler structure schematic diagram.

Fig. 4 is the application gas flow side block diagram.

Wherein, in figure：

1, muffler；2, reduction of speed muffler；3, gas flow；4, surge chamber；5, muffler entrance；6, flange；7, first Ring flat-plate；8, connecting cylinder；9, sound-absorbing material；10, outer barrel；11, metal protecting wire net；12, porous noise reduction cylinder；13, closure plate；14, first Connecting tube；15, the second ring flat-plate；16, square flange；17, sliding support；18 hold-down supports；19, the second connecting tube；20, third ring Plate；21, preceding velocity reduction chamber；22, main velocity reduction chamber；23, air-flow buffer room.

Specific implementation mode

Presently filed embodiment is described in detail below in conjunction with accompanying drawings and embodiments, thereby how the application is applied Technological means solves technical problem and reaches the realization process of technical effect to fully understand and implement.

As shown in Figure 1, a kind of safety valve discharge combination silencing means, including muffler 1 and reduction of speed muffler 2, noise reduction Device 1 is connected with reduction of speed muffler 2.The side wall of reduction of speed muffler 2 is equipped with gas vent, and gas stream is arranged in gas outlet Road 3.One end of gas flow 3 is connect with gas vent, for the air-flow after noise reduction to be discharged.Noise reduction is arranged in the front end of muffler 1 Device import 5, muffler entrance 5 are connect by pipeline with safe valve outlet hole, for that will wait for that the air-flow of noise reduction introduces combination noise reduction In device.

As shown in Fig. 2, muffler 1 includes surge chamber 4 and anechoic chamber.Muffler entrance 5 is arranged in the upper wall of surge chamber 4, disappears With first flange 6 is tried at sound device import 5, for being connect with the pipeline of safety valve or connection safety valve.The rear end of surge chamber 4 It is connected with anechoic chamber by connecting cylinder 8.Four walls of anechoic chamber be layer structure, be followed successively by from outside to inside metal protecting wire net 11, Outer barrel 10 and quieter material 9.Porous noise reduction cylinder 12 is arranged in anechoic chamber, porous noise reduction cylinder 12 is tubular, porous noise reduction cylinder 12 Be surrounded by several stomatas.Porous 12 horizontal direction of noise reduction cylinder is arranged in anechoic chamber, and one end of porous noise reduction cylinder 12 and company Connect cylinder 8 connects, and closure plate 13 is arranged in the other end, prevents air-flow from being flowed out through this end.The first connecting tube 14 is arranged in the end of anechoic chamber, uses To be connected with reduction of speed muffler 2.

Two endfaces of anechoic chamber are separately equipped with ring flat-plate, and the first ring flat-plate 7 is arranged in front end face, and the second ring flat-plate is arranged in rear end face 15, four walls composition, one space of two ring flat-plates and anechoic chamber, i.e. anechoic chamber.Connect cylinder 8 passes through the intermediate annular distance of the first ring flat-plate 7, And it fixes and is tightly connected with the intermediate annular distance.First connecting tube 14 pass through the second ring flat-plate 15 intermediate annular distance, and among this Annular distance is fixed and is tightly connected.The outer end of first connecting tube 14 be equipped with square flange 16, for be disposed on reduction of speed muffler 2 Second connecting tube 19 connects.The outer end of second connecting tube 19 is equally arranged flange, and specifications parameter and square flange 16 are to mating.Disappear Sliding support 17 and hold-down support 18 is arranged in the bottom of tone chamber.

As shown in figure 3, reduction of speed muffler 2 is the square tubular of one end open, third ring flat-plate 20, third ring is arranged in open end Be arranged the second connecting tube 19 in the intermediate annular distance of plate 20, the second connecting tube 19 pass through third ring flat-plate 20 and in third ring flat-plate 20 Between annular distance be tightly connected.Flange is arranged in the outer end of second connecting tube 19, is used for and the method in the first connecting tube 14 of muffler 1 Orchid 16 connects.

Reduction of speed muffler 2 includes preceding velocity reduction chamber 21, main velocity reduction chamber 22 and air-flow surge chamber 23.Preceding velocity reduction chamber 21, main reduction of speed Room 22 and air-flow surge chamber 23 are sequentially connected, and the front end of preceding velocity reduction chamber is third ring flat-plate 20.The side wall of main velocity reduction chamber 22 is arranged One end of air stream outlet, air stream outlet and gas flow 3 is tightly connected.

As shown in figure 4, gas flow 3 is bending structure, one end is connect with reduction of speed muffler 2, and the other end is communicated with air, Air-flow after noise reduction and reduction of speed is discharged into through gas flow 3 in air.

The course of work of entire combination silencing means is that the high noisy air-flow of safety valve discharge disappears through the entrance of muffler entrance 5 In sound device 1, muffler 1 can reduce the most noise of air-flow, form low noise air-flow.Low noise air-flow enters reduction of speed muffler In 2, reduction of speed, while further noise reduction are carried out to air-flow by reduction of speed muffler 2.Through muffler and reduction of speed muffler treated gas Stream noise significantly reduces, and greatly reduces environmental pollution, effectively improves working environment, also reduces the interference to people and wound Evil, which thereby enhances working efficiency.

Silencing means is combined in a kind of safety valve discharge provided above the embodiment of the present application, has carried out detailed Jie It continues.The description of the example is only used to help understand the method for the present application and its core ideas；Meanwhile for this field Those skilled in the art, according to the thought of the application, there will be changes in the specific implementation manner and application range, to sum up institute It states, the contents of this specification should not be construed as limiting the present application.

Some vocabulary has such as been used to censure specific components in specification and claim.Those skilled in the art answer It is understood that hardware manufacturer may call the same component with different nouns.This specification and claims are not with name The difference of title is used as the mode for distinguishing component, but is used as the criterion of differentiation with the difference of component functionally.Such as logical The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit In "." substantially " refer in receivable error range, those skilled in the art can be described within a certain error range solution Technical problem basically reaches the technique effect.Specification subsequent descriptions are to implement the better embodiment of the application, so described Description is being not limited to scope of the present application for the purpose of the rule for illustrating the application.The protection domain of the application When subject to appended claims institute defender.

It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability Including so that commodity or system including a series of elements include not only those elements, but also include not clear The other element listed, or further include for this commodity or the intrinsic element of system.In the feelings not limited more Under condition, the element that is limited by sentence "including a ...", it is not excluded that including the element commodity or system in also There are other identical elements.

Several preferred embodiments of the application have shown and described in above description, but as previously described, it should be understood that the application Be not limited to form disclosed herein, be not to be taken as excluding other embodiments, and can be used for various other combinations, Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through in application contemplated scope described herein It is modified.And changes and modifications made by those skilled in the art do not depart from spirit and scope, then it all should be in this Shen It please be in the protection domain of appended claims.

Claims (5)

1. a kind of safety valve discharge combination silencing means, it is characterised in that：Include for the muffler (1) of noise reduction and for dropping Low flow velocity and further the reduction of speed muffler (2) of noise reduction；The muffler (1) is connected with the reduction of speed muffler (2)；Institute State the gas flow (3) being arranged on reduction of speed muffler (2) for exhaust；Muffler entrance is arranged in the front of the muffler (1) (5), the muffler entrance (5) connect with the safety valve exhaust portion.

2. safety valve discharge combination silencing means according to claim 1, it is characterised in that：The muffler (1) includes The rear end of surge chamber (4) and anechoic chamber, the surge chamber (4) is connected with the anechoic chamber；Match surge chamber (4) front If the muffler entrance (5)；The peripheral wall of the anechoic chamber is noise-reducing structure；Porous noise reduction cylinder is arranged in the anechoic chamber (12), the porous noise reduction cylinder (12) is the tubular of one end open, and open end is connect with the front end of the anechoic chamber；It is described more Hole noise reduction cylinder (12) is surrounded by several stomatas.

3. safety valve discharge combination silencing means according to claim 2, it is characterised in that：Four walls of the anechoic chamber are Layer structure, is followed successively by metal protecting wire net (11), outer barrel (10) and quieter material (9) from outside to inside, the company of being affixed between adjacent layer It connects.

4. according to any safety valve discharge combination silencing means of claim 1-3, it is characterised in that：The reduction of speed noise reduction Device (2) includes preceding velocity reduction chamber (21), main velocity reduction chamber (22) and air-flow surge chamber (23) successively from front to back；The preceding velocity reduction chamber (21), the main velocity reduction chamber (22) and the air-flow buffer room (23) are sequentially communicated connection；The preceding velocity reduction chamber (21) with it is described The exhaust end of muffler (1) is connected；The gas flow (3), the gas flow are arranged at the main velocity reduction chamber (22) (3) it is communicated with the main velocity reduction chamber (22).

5. safety valve discharge combination silencing means according to claim 4, it is characterised in that：The preceding velocity reduction chamber (21) with The concrete mode that the exhaust end of the muffler (1) is connected is to be disposed in the first connecting tube (14) of the anechoic chamber end Pass through flanged joint with the second connecting tube (19) for being disposed in preceding velocity reduction chamber (21) front end.