CN210661881U

CN210661881U - Sound eliminator for pipe through sea mouth

Info

Publication number: CN210661881U
Application number: CN201921790573.3U
Authority: CN
Inventors: 王兵; 叶飞; 顾剑
Original assignee: Taixing City Xinglong Ships Machinery Co ltd
Current assignee: Taixing City Xinglong Ships Machinery Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-06-02
Anticipated expiration: 2029-10-23

Abstract

The utility model relates to a pipeline leads to extra large mouthful noise eliminator, including water inlet, delivery port and honeycomb duct, the water inlet sets up the one end of honeycomb duct, the delivery port sets up the other end of honeycomb duct, set up in the honeycomb duct and inhale the reposition of redundant personnel awl of inhaling, inhale the reposition of redundant personnel awl and be the streamline form, inhale the reposition of redundant personnel awl and include the stainless steel dustcoat, fill up high damping in the stainless steel dustcoat and inhale rubber of inhaling, wherein, the honeycomb duct sets up the kink, the delivery port with the water inlet passes through the contained angle that the kink was 50-60. The utility model discloses it is real that this type of traditional device improves, and is concrete, the utility model discloses an add a kink on the honeycomb duct, through the contained angle control that the portion of buckling is being between water inlet and delivery port between 50-60, can reduce the resistance that rivers produced when the honeycomb duct from this, can improve to large-traffic water passing the utility model discloses an it is excessive and improve the effect of making an uproar to fall.

Description

Sound eliminator for pipe through sea mouth

Technical Field

The utility model belongs to the technical field of boats and ships water drainage pipe way noise control, concretely relates to sweetgum fruit leads to extra oral noise eliminator.

Background

The outlet seawater of the ship drainage pipeline, particularly the sea navigation ship seawater pipeline, has the characteristics of large flow and strong pulsating force. The seawater quickly discharged by the marine navigation ship is sprayed out of the ship board through the seawater pipeline outlet, so that fluid jet noise is easily formed, and meanwhile, the ship body is easily impacted to cause the vibration of the ship body to form radiation noise, and the concealment performance of the ship is damaged. The present ship sea water pipeline outlet is not equipped with any low noise drainage device, the sea water pipeline outlet is all directly arranged in the ship board enclosure, the sea water pipeline outlet is mostly just to the shell body of the ship, after the high-speed sea water is discharged from the mouth of pipe, when impacting the ship shell plate, part of sea water still from the grid blowout on the shell body, form higher fluid jet noise, though the chinese utility model patent with the patent number of CN201220315080.6 discloses a ship drainage pipeline outlet noise reduction device, the device includes the flaring honeycomb duct of horn mouth shape, install wing section rectifying column along circumference interval at the horn mouth terminal surface of the flaring honeycomb duct, the other end of wing section rectifying column is associative with the roof, from this constitute radial delivery port, inhale the loudspeaker mouth of corresponding flaring honeycomb duct in the roof inner face and install the reposition of redundant personnel awl. The utility model can convert the axial water flow of the drainage pipeline into radial defluidization, avoid the axial seawater from directly rushing out of the ship board, reduce the flow velocity and the fluid jet noise, and simultaneously can absorb the seawater pulsating force and reduce the noise; the vibration absorption shunt cone can absorb fluid impact; the airfoil rectifying column is in an airfoil line shape with good hydrodynamic performance, can effectively control the formation of seawater vortices at the pipe orifice, and simultaneously controls the vortex size by adjusting the number of the rectifying column, so that the flow field is homogenized, and the drainage noise is further reduced. The utility model discloses noise reduction effect reaches about 5dB, and the radiated noise energy attenuation is original 30% promptly, but the device is because not setting up for the right angle setting between delivery port and the water inlet for when rivers are too big, rivers can produce certain resistance when the device, thereby influence this device and fall the noise and overflow the effect.

SUMMERY OF THE UTILITY MODEL

For solving the problem, the utility model provides a pipeline leads to extra large mouthful noise eliminator, including water inlet, delivery port and honeycomb duct, the water inlet sets up the one end of honeycomb duct, the delivery port sets up the other end of honeycomb duct, it shakes the reposition of redundant personnel awl to set up in the honeycomb duct, it is the streamline form to shake the reposition of redundant personnel awl, it includes the stainless steel dustcoat to shake the reposition of redundant personnel awl, fill high damping in the stainless steel dustcoat and shake rubber, wherein, the honeycomb duct sets up the kink, the delivery port with the water inlet passes through the contained angle that the kink was is 50-60.

Preferably, the honeycomb duct is close to the one end of water inlet sets up the flange structure, the flange structure is convenient for with the utility model discloses fix and connect.

It is preferred in any of the above-mentioned scheme, the structural a plurality of mounting holes that evenly set up of flange can pass through bolt and nut the mounting hole will the utility model discloses carry out fixed connection.

In any of the above schemes, preferably, the water outlet is divided into a plurality of water dividing outlets with the same cross section through vertical partition plates, and the water dividing outlets are convenient for dividing water, so that congestion is prevented.

In any of the above solutions, it is preferable that a transverse partition plate is provided in the water dividing nozzle, and a curved portion is provided on the transverse partition plate, specifically, the curved portion is provided at a portion of the transverse partition plate located at the front end of the water outlet, and the curved portion is slightly curved toward the water inlet, so that resistance of water flow entering the water outlet can be reduced.

In any of the above solutions, it is preferable that the number of the divided water outlets is set to an even number between 10 and 18.

The utility model has the advantages that: the utility model discloses it is real that this type of traditional device improves, and is concrete, the utility model discloses an add a kink on the honeycomb duct, through the contained angle control that the portion of buckling is being between water inlet and delivery port between 50-60, can reduce the resistance that rivers produced when the honeycomb duct from this, can improve to large-traffic water passing the utility model discloses an it is excessive and improve the effect of making an uproar to fall.

Drawings

Fig. 1 is a schematic view of a preferred embodiment of a muffler device for a pipeline opening according to the present invention;

FIG. 2 is an external perspective view of the embodiment of FIG. 1 of the muffler device according to the present invention;

FIG. 3 is a top view of the embodiment of FIG. 1 of the muffler assembly according to the present invention;

fig. 4 is a water inlet structure view of the pipe sea opening muffler device according to the embodiment of fig. 1.

The figures are labeled as follows: 1-a water inlet; 2-water outlet; 3-a flow guide pipe; 4-a transverse partition plate; 5-vibration absorption splitter cone; 6-flange structure; 7-vertical partition.

Detailed Description

In order to further understand the present invention, the present invention will be described in detail with reference to the following embodiments.

As shown in fig. 1 to 4, the utility model provides a pipeline through sea orifice noise eliminator, which comprises a water inlet 1, a water outlet 2 and a flow guide pipe 3, wherein the water inlet 1 is arranged at one end of the flow guide pipe 3, the water outlet 2 is arranged at the other end of the flow guide pipe 3, a vibration absorption spreader cone 5 is arranged in the flow guide pipe 3, the vibration absorption spreader cone is in a streamline shape, the vibration absorption spreader cone 5 comprises a stainless steel outer cover, high-damping vibration absorption rubber is filled in the stainless steel outer cover, water flow can flow in from the water inlet 1, the water flow enters the flow guide pipe 3 and passes through the vibration absorption spreader cone 5, the vibration absorption and the sound absorption are carried out through the vibration absorption spreader cone 5, the noise of the water flow is reduced, then the water flow is discharged through the water outlet 2, wherein, the flow guide pipe 3 is provided with a bending part, the cross section of the flow guide pipe 3, the included angle formed by the water outlet 2 and the water inlet 1 passing through the bent part is 50-60 degrees through the bent part of the flow guide pipe 3, so that the resistance generated when water flows through the flow guide pipe 3 can be reduced, the water flow of the utility model can be improved and the noise reduction effect can be improved when the water flows with large flow, one end of the flow guide pipe 3 close to the water inlet 1 is provided with a flange structure 6, the flange structure 6 is convenient for fixing and connecting the utility model, in particular, a plurality of mounting holes are uniformly arranged on the flange structure 6, the utility model can be fixedly connected by passing through the mounting holes through bolts and nuts, the water outlet 2 is divided into a plurality of water outlet ports with the same cross section through vertical partition plates 7, the water outlet ports are convenient for dividing water, the congestion is prevented, and a transverse partition plate 4 is arranged in the water outlet 2, the transverse partition plate 4 is provided with a bending part, specifically, the bending part is arranged at the part of the transverse partition plate positioned at the front end of the water outlet 2, the bending part is slightly bent towards the direction of the water inlet, thereby, the resistance of water flow entering the water outlet can be reduced, and the number of the water outlet is set to be an even number between 10 and 18.

The utility model discloses it is real that this type of traditional device improves, and is concrete, the utility model discloses an add a kink on the honeycomb duct, through the contained angle control that the portion of buckling is being between water inlet and delivery port between 50-60, can reduce the resistance that rivers produced when the honeycomb duct from this, can improve to large-traffic water passing the utility model discloses an it is excessive and improve the effect of making an uproar to fall.

It will be understood by those skilled in the art that the muffler device for pipe line through the sea port of the present invention includes the above-mentioned embodiments of the present invention and any combination of the parts shown in the drawings, which are not described in detail and are not described in any combination for the sake of brevity. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pipeline leads to extra large mouthful noise eliminator, includes water inlet, delivery port and honeycomb duct, the water inlet sets up the one end of honeycomb duct, the delivery port sets up the other end of honeycomb duct, set up in the honeycomb duct and inhale the reposition of redundant personnel awl of inhaling, inhale the reposition of redundant personnel awl and be the streamline form, inhale the reposition of redundant personnel awl and include the stainless steel dustcoat of inhaling, fill high damping in the stainless steel dustcoat and inhale rubber of inhaling, its characterized in that, the honeycomb duct sets up the kink, the delivery port with the water inlet passes through the contained angle that the kink is 50-60.

2. The pipeline sea opening silencer assembly of claim 1, wherein a flange structure is provided at an end of the draft tube adjacent to the water inlet.

3. The pipeline sea opening muffler device as recited in claim 2, wherein the flange is provided with a plurality of mounting holes uniformly.

4. The pipeline sea opening muffler device as claimed in claim 1, wherein the water outlet is divided into a plurality of water outlets with the same cross section by vertical partition plates.

5. The pipeline sea opening muffler device of claim 4, wherein a transverse partition plate is arranged in the water dividing and discharging port, and a bent part is arranged on the transverse partition plate.

6. The pipeline sea opening muffler device as claimed in claim 4, wherein the number of the divided water outlets is set to an even number between 10 and 18.