CN214535095U

CN214535095U - Pipeline damper and fluid supply system comprising same

Info

Publication number: CN214535095U
Application number: CN202023176137.2U
Authority: CN
Inventors: 李文; 李群山; 付林娜
Original assignee: Vicot Solar Technology Co ltd
Current assignee: Vicot Solar Technology Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-10-29
Anticipated expiration: 2030-12-25

Abstract

The utility model provides a pipeline shock absorber and fluid supply system who contains this pipeline shock absorber, wherein pipeline shock absorber includes: the shell, the influent stream pipeline and the effluent stream pipeline. A closed damping chamber is arranged in the shell; the first end of the inflow pipeline is open, and the second end of the inflow pipeline is closed; the second end of the inflow pipeline is hermetically inserted into the damping chamber; the first end of the inflow pipeline is exposed to the outside of the shell, a first connecting part is arranged on the first end of the inflow pipeline, and at least one first through-flow opening is formed in the side surface of the second end of the inflow pipeline; the first end of the outflow pipeline is open, and the second end of the outflow pipeline is closed; the second end of the outflow pipeline is hermetically inserted into the damping cavity; the first end of the outflow pipeline is exposed to the outside of the shell, the first end of the outflow pipeline is provided with a second connecting portion, and the side face of the second end of the outflow pipeline is provided with at least one second through opening. The utility model discloses can improve the problem of fluid supply system equipment pipeline vibration.

Description

Pipeline damper and fluid supply system comprising same

Technical Field

The utility model relates to a pipeline field of taking precautions against earthquakes, concretely relates to pipeline bumper shock absorber and fluid supply system who contains this pipeline bumper shock absorber.

Background

The damping vibration attenuation technology is developed earlier, is widely applied to industries such as aviation, aerospace, war industry, automobiles, buildings, bridges and the like, has wider application fields, is provided with spring dampers, hydraulic dampers, pulse dampers, rotary dampers, wind dampers, viscous dampers and the like, and mainly plays a role in damping vibration attenuation and noise elimination. The gas heat pump equipment adopts hydraulic pressure diaphragm type measuring pump more, and there is the phenomenon of pressure alternation hydraulic pressure diaphragm type measuring pump at the confession flow in-process, because pipeline pressure unstability can have the too big and the violent problem of pipeline vibration, because the noise ratio that the vibration produced is great, equipment is installed near the district and can seriously influence the normal life of district resident, brings the trouble for the resident. Most seriously, the long-time vibration even can cause the weld opening of the pipeline to crack, and the safety and the stability of the equipment are influenced. Therefore, the vibration of the equipment pipeline not only affects the safety and stability, but also reduces the experience of the customer. The commonly used capsule type energy accumulator in the market contains a buffer inner cavity, has the problem of gas leakage in the cavity, has the risk of capsule bursting even after being used for a long time, has higher price and is not ideal when being directly used. It is therefore desirable to provide a new pipe damper and fluid supply system including the same to ameliorate the problem of pipe vibration in fluid supply system equipment.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a pipe damper and a fluid supply system including the same, so as to improve the problem of pipe vibration of the fluid supply system equipment.

In order to achieve the above objects and other related objects, the present invention provides a pipe damper, including:

a housing having a closed damping chamber therein;

the first end of the inflow pipeline is open, and the second end of the inflow pipeline is closed; the second end of the inflow pipeline is hermetically inserted into the damping chamber; the first end of the inflow pipeline is exposed to the outside of the shell, a first connecting part is arranged on the first end of the inflow pipeline, and at least one first through-flow opening is formed in the side surface of the second end of the inflow pipeline;

the first end of the outflow pipeline is open, and the second end of the outflow pipeline is closed; the second end of the outflow pipeline is hermetically inserted into the damping chamber; the first end of the outflow pipeline is exposed to the outside of the shell, a second connecting portion is arranged at the first end of the outflow pipeline, and at least one second through opening is formed in the side face of the second end of the outflow pipeline.

In an example of the present invention, the damping chamber is cylindrical, and the two ends along the axial direction are respectively spherical recessed structures.

In an example of the present invention, the inflow pipe and the outflow pipe are coaxially disposed.

In an example of the present invention, a distance between the second end surface of the inflow pipe and the second end surface of the outflow pipe is 15 to 20 mm.

In an example of the present invention, the first through-flow opening projects as a rectangle in a direction perpendicular to the inflow conduit axis.

In an example of the present invention, the first through-flow openings are plural and arranged along an extending direction of the axis of the inflow pipe.

In an example of the present invention, the outflow conduit extends to the length inside the damping chamber is 20 to 25 times the diameter of the outflow conduit.

In an example of the present invention, the second through-flow opening is provided at the other side deviating from the first through-flow opening.

In an example of the present invention, the flow area of the at least one first flow opening is equal to the flow cross-sectional area of the inflow conduit.

In an example of the present invention, the flow area of the at least one second through-flow opening is equal to the flow cross-sectional area of the outflow conduit.

In an example of the present invention, the flow area of the inflow pipe and the outflow pipe is equal.

In an example of the present invention, the one-way valve is mounted at a first end of the outflow conduit.

The utility model discloses still provide a fluid supply system in an example, including suction device, any one the pipeline bumper shock absorber of above-mentioned any is installed to suction device's pump flow mouth.

As described above, the utility model discloses pipeline damper, mountable is to suction device's pump flow pipeline when using on, a part of energy of the fluid that suction device pumps obtains the release in the damping chamber, and stretch out the second through-flow opening on the inside outflow pipeline of damping chamber through the cantilever and discharge, when the fluid flows out or flows in from the second through-flow opening from first through-flow opening, fluidic speed direction deviates from with former flow direction, can make unnecessary energy obtain bigger release on the one hand, on the other hand cantilever stretch out to outflow pipeline in the damping chamber can reduce the uniformity with casing natural frequency, prevent that resonance energy from transmitting for the fluid that transmits again, can very big improvement pipeline vibrations, reduce the pressure fluctuation, alleviate noise and vibration, this pipeline damper simple structure, and is with low costs, use safe and reliable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the pipe damper of the present invention;

fig. 2 is a partially enlarged schematic view of the region I in fig. 1.

Description of the element reference numerals

1. An outflow conduit; 11. a second through-flow opening; 2. a housing; 21. a damping chamber; 22. a first spherical recessed structure; 23. a second spherical recessed structure; 3. an inflow pipe; 31. a first through-flow opening; 4. a suction device; 5. a first check valve; 6. a second one-way valve.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples of the present invention is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.

When numerical ranges are given in the examples, it is understood that both endpoints of each of the numerical ranges and any number between the endpoints are optional unless the utility model discloses otherwise. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs and are intended to describe the same, and all methods, apparatus and materials similar or equivalent to those described herein may be used in the practice of this invention.

Referring to fig. 1 to 2, in view of the above-mentioned disadvantages of the prior art, the present invention provides a pipe damper and a fluid supply system including the same, which have simple structure, can greatly improve pipe vibration, reduce pressure fluctuation, reduce noise and vibration, and have low cost and safe and reliable use.

Above-mentioned pipeline bumper shock absorber includes: a housing 2, an inlet flow duct 3 and an outlet flow duct 1. A closed damper chamber 21 is provided inside the housing 2. The material of casing 2 is not injectd, can correspond the corrosivity of transported substance fluid and select, for example stainless steel, cast iron etc. also can be the polymer plastic material, nevertheless consider with influent stream pipeline 3 and the sealed cooperation of the pipeline 1 that effuses the utility model discloses in choose for use can welded material to in with influent stream pipeline 3 with the sealed welding of the pipeline 1 that effuses on casing 2. The first end of the inflow pipeline 3 along the extension direction of the axis is open, and the second end of the inflow pipeline 3 along the extension direction of the axis is closed. The second end of the inflow pipe 3 is hermetically inserted into the damping chamber 21 and protrudes to a length L1 set in the damping chamber 21. The inflow pipeline 3 and the outflow pipeline 1 are welded to the housing 2 through sealing, a first end of the inflow pipeline 3 is exposed to the outside of the housing 2, and a first connecting portion, such as a thread or a flange, capable of being connected with a flow supply pipeline is arranged at the first end of the inflow pipeline 3. At least one first through-flow opening 31 is formed in the side surface of the second end of the inflow pipe 3 in the damping chamber 21. The first end of the outflow conduit 1 is open and the second end of the outflow conduit 1 is closed. The second end of the outflow conduit 1 is sealingly inserted into the damping chamber 21 and extends to a set length L2 inside the damping chamber 21. A first end of the outlet pipe 1 is exposed to the outside of the housing 2, and a second connection portion, such as a thread or a flange, is disposed at the first end of the outlet pipe 1. At least one second through opening 11 is opened on the side surface of the second end of the outflow conduit 1.

The utility model discloses well fluid gets into and discharges to damping cavity 21 in through first drain outlet from the first end of influent stream pipeline 3, and the fluid is discharged along perpendicular or skew direction of transfer, and unnecessary energy obtains the release back in damping cavity 21, again along entering into to the second on the pipeline 1 that flows out in perpendicular or skew direction of transfer's direction, at whole internal circulation in-process, the cantilever stretches out to the pipeline 1 that flows out in the damping cavity 21 can reduce the uniformity with 2 natural frequencies of casing, prevents that resonance energy from transmitting for the fluid that transmits again, can very big improvement pipeline vibrations, reduces the pressure oscillation, alleviates noise and vibration, this pipeline bumper shock absorber simple structure, and is with low costs, uses safe and reliable.

In an example of the present invention, the damping chamber 21 is cylindrical, and the first spherical recess 22 and the second spherical recess 23 are respectively disposed along the two axial ends. The concave structure can effectively reduce the hard impact of the fluid.

The utility model provides an inflow pipeline 3 and the position relation that sets up between the pipeline 1 that effuses can not be injectd, can be coaxial or disalignment, also can the axial mutually perpendicular the utility model discloses an in the example, inflow pipeline 3 with the coaxial setting of the pipeline 1 that effuses. The coaxial arrangement can not only consume redundant kinetic energy, but also avoid excessive energy consumption.

The utility model discloses in the second end terminal surface of influent stream pipeline 3 with distance between the second end terminal surface of the pipeline of effluenting 1 can not be injectd, preferably the utility model discloses an in the example, the casing is the rotating member, influent stream pipeline is the pipe with the pipeline of effluenting, influent stream pipeline with the axis of effluenting the pipeline with the gyration axis of casing coincides mutually, the gap hole that opens will wholly be located damping shock absorber casing middle, the influent stream pipeline other end welds with casing through-hole contact zone driving fit, the pipeline other end and casing through-hole contact zone driving fit welding of effluenting, because the medium that exists in the damping shock absorber device is aqueous ammonia, the pipeline length L2 of effluenting is about 10 with influent stream pipeline length L1 proportion: 1, enough space is reserved on the upper part of the damping shock absorber, ammonia gas is arranged on the upper part of the shell of the damping shock absorber, the compressibility of the gas is utilized, and pressure fluctuation is effectively reduced. The length of the outflow pipeline 1 extending into the damping cavity 21 is 20-25 times of the diameter of the outflow pipeline 1. The volume of the damping chamber 21 is 5-10 times of the flow of the inflow pipeline 3. The total flow area of the at least one first flow opening 31 is equal to the flow cross-sectional area of the inlet pipe 3. The total flow area of the at least one second flow opening 11 is equal to the flow cross-sectional area of the outflow conduit 1. The flow areas of the inlet pipeline 3 and the outlet pipeline 1 are equal. The distance between the second end face of the inflow pipeline 3 and the second end face of the outflow pipeline 1 is 15-20 mm. When the distance between the two is 15-20 mm, enough space can be reserved in the damping cavity 21 to control air pressure, the flow of a water inlet is prevented from being greatly influenced by the air pressure, meanwhile, the compressibility of ammonia can be effectively utilized by the enough space, and the stability of fluid is high.

The utility model discloses well second through-flow opening 11 and first through-flow opening 31's shape is not restricted, can be all suitable structures, for example, circular, square aperture, ellipse or dysmorphism hole etc. in the utility model discloses an example, first through-flow opening 31 is at the perpendicular to the projection is the rectangle in the direction of influent stream pipeline 3 axis, second through-flow opening 11 is at the perpendicular to the projection also is the rectangle in the direction of effluent stream pipeline 1 axis, first through-flow opening 31 and second through-flow opening 11's quantity is a plurality of, and is a plurality of first through-flow opening 31 is followed influent stream pipeline 3 axis extending direction arranges. In an example of the present invention, the second through-flow opening 11 is provided at the other side deviating from the first through-flow opening 31. This offset design prevents fluid shorting.

The utility model discloses an in the example, second check valve 6 is installed to the first end of the pipeline of effluenting 1, and second check valve 6 plays the effect of one-way water supply, prevents the water reverse flow in the pipeline of effluenting 1, can alleviate the pressure fluctuation in the pipeline of effluenting 1, can effectually alleviate the vibration of the pipeline of effluenting 1, very big protection the pipeline of system.

In an example of the present invention, there is also provided a fluid supply system including a suction device 4, such as a suction pump, wherein the pipe damper of any one of the above is installed at a pump flow port of the suction device 4. And a first check valve 5 and a second check valve 6 are respectively arranged on the pipelines at two sides of the pipeline shock absorber. The utility model discloses it installs above-mentioned pipeline shock absorber of pipeline fluid supply system, has reduced the unit noise, has alleviateed the vibration of pipeline, has reduced the risk that pipeline damage and crater open weld, has improved the fail safe nature of unit, has also reduced the pressure oscillation problem of water supply pipe in addition for the pressure of system is more stable, more is favorable to the stability of system, also more is favorable to the stability of pressure acquisition system and the accuracy of collection.

As described above, the utility model discloses pipeline damper, mountable is to suction device's pump flow pipeline when using on, a part of energy of the fluid that suction device pumps obtains the release in the damping chamber, and stretch out the second through-flow opening on the inside outflow pipeline of damping chamber through the cantilever and discharge, when the fluid flows out or flows in from the second through-flow opening from first through-flow opening, fluidic speed direction deviates from with former flow direction, can make unnecessary energy obtain bigger release on the one hand, on the other hand cantilever stretch out to outflow pipeline in the damping chamber can reduce the uniformity with casing natural frequency, prevent that resonance energy from transmitting for the fluid that transmits again, can very big improvement pipeline vibrations, reduce the pressure fluctuation, alleviate noise and vibration, this pipeline damper simple structure, and is with low costs, use safe and reliable. Therefore, the utility model discloses thereby effectively overcome some practical problems among the prior art and had very high use value and use meaning.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A pipe damper, comprising:

a housing having a closed damping chamber therein;

2. The pipe damper according to claim 1, wherein the damping chamber is cylindrical and has spherical recesses at both ends in the axial direction.

3. The pipe damper of claim 1, wherein said inlet pipe and said outlet pipe are coaxially disposed.

4. The pipe damper of claim 1, wherein the first through-flow opening is rectangular in projection in a direction perpendicular to the inlet pipe axis.

5. The pipe damper according to claim 1, wherein said first through-flow openings are plural and aligned along an axis of said inlet pipe.

6. The pipe damper of claim 1, wherein the second through-flow opening opens on another side facing away from the first through-flow opening.

7. The pipe damper of claim 1, wherein a flow area of the at least one first flow opening is equal to a flow area of the inlet pipe, and a flow area of the at least one second flow opening is equal to a flow area of the outlet pipe.

8. The pipe shock of claim 1, wherein the first end of the outflow pipe is fitted with a one-way valve.

9. The pipe damper of claim 1, wherein the flow areas of said inlet and outlet pipes are equal.

10. A fluid supply system comprising a suction device, characterized in that a pump flow port of the suction device is mounted with the pipe damper according to any one of claims 1 to 9.