CN218720669U

CN218720669U - Liquid supply pipeline with pressure reduction and buffering functions

Info

Publication number: CN218720669U
Application number: CN202222639464.XU
Authority: CN
Inventors: 李尚桦; 周冬; 胡彪; 蒋一; 官崟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-03-24
Anticipated expiration: 2032-09-29

Abstract

The utility model provides a liquid supply pipeline with a pressure reduction buffering function, which belongs to the field of water purification of water plants, and comprises a solution tank and a four-way pipe, wherein the end part of the four-way pipe is connected with a return pipeline, a conveying pipeline, an adding pipeline and a buffering pipeline along the anticlockwise rotating direction, and one end of the return pipeline and one end of the conveying pipeline are both communicated with the solution tank; the device comprises a backflow pipeline, a delivery pipeline, a dosing pipeline and a buffer pipeline, wherein the backflow pipeline comprises an observation pipe and a safety valve which are sequentially connected through a first pipeline, the delivery pipeline comprises a first ball valve and a metering pump which are sequentially connected through a second pipeline, the dosing pipeline comprises a back pressure valve which is connected through a third pipeline, and the buffer pipeline comprises a second ball valve, a pressure gauge and a pulse damper which are sequentially connected through a fourth pipeline; and an adjusting component is arranged in an exhaust port of the pulse damper. The adjusting assembly is linked with the second closing piece through the first closing piece, and under the pushing of extruded gas, the first connecting hole and the exhaust hole are closed by the first closing piece and the second closing piece, so that quick air inlet and exhaust are realized.

Description

Liquid supply pipeline with pressure reduction and buffering functions

Technical Field

The utility model belongs to the technical field of water purification of water works, particularly, relate to a liquid supply pipeline with step-down buffer function.

Background

The water works mainly realize the automatic water supply in urban and rural areas, and the basic treatment process flows of the water works are similar according to the actual conditions of water quality, water supply amount and the like, and mainly comprise water inlet, flocculation precipitation, filtration and disinfection and water supply.

Filtering and disinfecting for further purifying water quality, which comprises the steps of (I) filtering, wherein supernatant water treated by a sedimentation tank passes through different filter materials to remove suspended impurities in the supernatant water so as to clarify the water, and different medium filtering treatments can be adopted according to the water quality condition; and (II) disinfecting, which is an important component of tap water treatment, wherein different disinfecting devices are adopted by common water plants for chlorination disinfection and are mainly used for removing toxic substances in water.

At present, the solution in a solution tank is conveyed to a sedimentation tank through a metering pump, the metering pump is just started to convey, the solution has large impact force, the water hammer effect is easily met at a corner, and the pressure of the fluid forms regular fluctuation due to the characteristic that the metering pump conveys the fluid, so that the pipeline is cracked. Therefore, the utility model discloses a pulse damper cushions the flowing pressure.

For example, chinese patent application No. CN114017575A, published on month 02 and 08 of 2022. The pulse damper comprises a shielding shell forming a sealed cavity, and a liquid bag arranged in the shielding shell; the sealed cavity is isolated by the liquid bag to form a liquid cavity with variable volume and a gas cavity, the shielding shell is provided with an air outlet valve communicated with the gas cavity, the air outlet valve comprises an air outlet valve body, and the air outlet valve body forms an air outlet channel for discharging gas out of the gas cavity and a vent hole communicated with the air outlet channel; the air outlet valve body is internally provided with a movable opening and closing component movably accommodated by the air outlet channel so as to trigger the movable opening and closing component to shield and expose the vent hole through the volume change of the liquid cavity caused by the liquid flowing through the liquid bag. Through this application, reduced the liquid in the liquid pipe-line system and at the in-process that delivers through the circulating pump and the pressure pulse value that produces and weakened the impact of liquid to the liquid pipe-line system, eliminated the water hammer phenomenon to through the damping principle, realized the rectification to the transport liquid in the liquid pipe-line system.

However, the above-described intake and exhaust of the pulse damper are achieved by two valves (i.e., an intake valve and an exhaust valve), respectively; however, the matching linkage effect between the two valves is poor, namely the two valves have larger time difference in response; after the air outlet valve exhausts, the air inlet valve is insufficient in air inlet or fails to timely intake air, so that the impact of the water hammer is weakened due to the fact that the pulse damper is not facilitated.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a supply liquid pipeline with step-down buffer function aims at solving current supply liquid pipeline transportation process, and the water hammer effect and fluid pressure's law is undulant can lead to the pipeline to rise to split to and the relatively poor problem of effect of advancing, exhausting is linked through the cooperation between two valves to the pulse damper.

The utility model discloses a realize like this:

a liquid supply pipeline with a pressure reduction buffering function comprises a solution tank and a four-way pipe, wherein the end part of the four-way pipe is connected with a return pipeline, a conveying pipeline, an adding pipeline and a buffering pipeline along the anticlockwise rotating direction, and one end of each of the return pipeline and the conveying pipeline is communicated with the solution tank;

the device comprises a backflow pipeline, a delivery pipeline, a feeding pipeline and a buffer pipeline, wherein the backflow pipeline comprises an observation pipe and a safety valve which are sequentially connected through a first pipeline, the delivery pipeline comprises a first ball valve and a metering pump which are sequentially connected through a second pipeline, the feeding pipeline comprises a back pressure valve which is connected through a third pipeline, and the buffer pipeline comprises a second ball valve, a pressure gauge and a pulse damper which are sequentially connected through a fourth pipeline;

install the adjusting part in the exhaust vent of pulse damper, the adjusting part is including shell, first closed spare and the second closed spare that sets gradually.

In an embodiment of the present invention, the observation tube is a transparent plastic tube.

In an embodiment of the present invention, the exhaust holes are formed on both side walls of the exhaust port.

In an embodiment of the present invention, the housing includes a housing body, and a first communication hole, a containing cavity and an extrusion hole which are sequentially communicated along an axis of the housing body.

In an embodiment of the present invention, the upper end of the extrusion hole near the accommodating chamber is stepped.

In an embodiment of the present invention, the first communicating hole includes an upper step road, a loop road and a lower step road which are sequentially communicated along the axis of the housing.

In an embodiment of the present invention, the first sealing member includes a pressing seat, a supporting sleeve, a flange pipe, a first spring and a first plug, the bottom of the pressing seat has an inner groove adapted to the upper end of the extrusion hole, the pressing seat is disposed at the upper end of the extrusion hole, the top of the pressing seat is fixedly connected to the supporting sleeve, the inner surface of the supporting sleeve is fixedly connected to one end of the flange pipe, the first spring is sleeved on the outer surface of the flange pipe, the two ends of the first spring are respectively connected to the accommodating cavity and the supporting sleeve, the other end of the flange pipe runs through the accommodating cavity and extends to the inside of the first communicating hole, and the flange pipe is located at the end of the first communicating hole and is fixedly connected to the first plug through a supporting rod.

In an embodiment of the present invention, the pressing base is provided with a second communicating hole penetrating along the axis, the second communicating hole is communicated with the flange pipe, and a second sealing member is arranged in the second communicating hole.

In an embodiment of the present invention, the second closing member includes a cross bar, a second spring, and a second plug, the second spring is provided between the cross bar and the protrusion of the second communication hole, and the cross bar is close to the end portion of the extrusion hole, which is fixedly connected to the second plug.

In an embodiment of the present invention, the two side walls of the accommodating chamber have exhaust holes, and the exhaust holes and the exhaust ports are coaxially arranged.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) In the liquid supply process, a buffer pipeline is arranged at the corner of the throwing pipeline, and the pressure is buffered and reduced through a pulse damper, so that the water hammer effect caused by the corner of the throwing pipeline is avoided, and the expansion crack of the pipeline is avoided.

(2) The adjusting assembly is linked with the second closing piece through the first closing piece, and under the pushing of extruded gas, the first connecting hole and the exhaust hole are closed by the first closing piece and the second closing piece, so that quick air inlet and exhaust are realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a liquid supply pipeline with a pressure reduction buffer function according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a pulse damper of a liquid supply pipeline with a pressure reduction buffer function according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a cross-sectional view of an adjusting assembly of a liquid supply pipeline with a pressure reduction buffering function according to an embodiment of the present invention;

FIG. 5 is a partial enlarged view of FIG. 4 at B;

FIG. 6 is a partial enlarged view of FIG. 4 at C

Description of reference numerals: 1. a solution tank; 2. a four-way pipe; 3. a return line; 31. a first conduit; 32. an observation tube; 33. a safety valve; 4. a delivery line; 41. a second conduit; 42. a first ball valve; 43. a metering pump; 5. a feeding pipeline; 51. a third pipeline; 52. a back pressure valve; 6. a buffer pipeline; 61. a fourth conduit; 62. A second ball valve; 63. a pressure gauge; 64. a pulse damper; 64a, an exhaust port; 64b, an exhaust hole; 64c, an adjustment assembly; 641. a housing; 6411. a housing; 6412. a first communication hole; 64121. going up a stepped channel; 64122. a loop; 64123. descending a stairway; 6413. an accommodating cavity; 6414. extruding the hole; 6415. an exhaust hole; 642. a first closure member; 6421. pressing a base; 6421a, a second communication hole; 6422. a support sleeve; 6423. a flanged pipe; 6424. A first spring; 6425. a first plug; 6425a, a support bar; 643. a second closure member; 6431. a cross bar; 6432. a second spring; 6433. and a second plug.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Examples

Referring to the attached drawings 1-6, the utility model provides a technical scheme: a liquid supply pipeline with a pressure reduction buffering function comprises a solution tank 1 and a four-way pipe 2, wherein the end part of the four-way pipe 2 is connected with a return pipeline 3, a conveying pipeline 4, a feeding pipeline 5 and a buffering pipeline 6 along the anticlockwise rotating direction, and one end of each of the return pipeline 3 and the conveying pipeline 4 is communicated with the solution tank 1; the return pipeline 3 comprises an observation pipe 32 and a safety valve 33 which are sequentially connected through a first pipeline 31, the conveying pipeline 4 comprises a first ball valve 42 and a metering pump 43 which are sequentially connected through a second pipeline 41, the dosing pipeline 5 comprises a back pressure valve 52 connected through a third pipeline 51, and the buffer pipeline 6 comprises a second ball valve 62, a pressure gauge 63 and a pulse damper 64 which are sequentially connected through a fourth pipeline 61; an adjustment assembly 64c is mounted in the exhaust port 64a of the pulse damper 64, and the adjustment assembly 64c includes a housing 641, a first closing member 642 and a second closing member 643 which are arranged in this order.

In the embodiment, a return pipeline 3, a conveying pipeline 4, an adding pipeline 5 and a buffer pipeline 6 are sequentially connected to the left end, the lower end, the right end and the upper end of the four-way pipe 2; or clockwise, and is connected with the right end, the lower end, the left end and the upper end of the four-way pipe 2 in sequence.

In the process of conveying the conveying pipeline 4, the pulse damper 64 of the buffer pipeline 6 offsets the pressure in the pipeline, so that the buffer effect can be achieved, and the expansion and the crack of the pipeline due to overlarge pressure are avoided. Meanwhile, when the pulse damper 64 is depressurized, the adjustment assembly 64c performs integrated air intake and exhaust, so that a linkage effect is achieved, and the air adjustment rate of the cavity part of the pulse damper 64 is increased.

As an embodiment of the present invention, further, the observation tube 32 is a transparent plastic tube. Through the transparent plastic pipe, the worker can timely observe whether the first pipeline 31 has the backflow condition, so that the worker can timely make adjustment.

In the embodiment of the present invention, the transparent plastic pipe can be made of PVC, PEP, PTFE, and other materials.

As an embodiment of the present invention, further, the exhaust holes 6415 are opened on both side walls of the exhaust port 64 a. The vent 6415 is used to release gas while the pulse damper 64 is damping.

As an embodiment of the present invention, further, the housing 641 includes a housing 6411, and a first communicating hole 6412, a receiving cavity 6413 and an extruding hole 6414 sequentially communicating with each other along an axis of the housing 6411. The first through-hole 6412 and the receiving cavity 6413 allow the first closing member 642 to move therein, and the pressing hole 6414 allows the second plug 6433 to move therein.

As an embodiment of the present invention, further, the upper end of the pressing hole 6414 near the accommodating cavity 6413 is stepped. So that the pressing seat 6421 closes the pressing hole 6414 for the high-pressure gas pressed by the diaphragm of the pulse damper 64

As an embodiment of the present invention, further, the first communication hole 6412 includes an upper step 64121, a loop 64122, and a lower step 64123 which are sequentially communicated along an axis of the housing 6411. When the diaphragm of the pulse damper 64 is not compressed, the first plug 6425 is in the loop 64122 and the upper end of the flanged tube 6423 is in contact with the lower step 64123; when the diaphragm is squeezed, the flanged tube 6423 moves upward, causing the first plug 6425 to close the upper stepped passage 64121 so that outside air cannot enter the flanged tube 6423 any more.

As an embodiment of the present invention, further, the first sealing element 642 includes a pressing seat 6421, a supporting sleeve 6422, a flanged pipe 6423, a first spring 6424 and a first plug 6425, the bottom of the pressing seat 6421 has an inner groove adapted to the upper port of the extrusion hole 6414, the pressing seat 6421 is disposed at the upper port of the extrusion hole 6414, the top of the pressing seat 6421 is fixedly connected with the supporting sleeve 6422, the inner surface of the supporting sleeve 6422 is fixedly connected with one end of the flanged pipe 6423, the first spring 6424 is sleeved on the outer surface of the flanged pipe 6423, two ends of the first spring 6424 respectively abut against the accommodating cavity 6413 and the supporting sleeve 6422, the other end of the flanged pipe 6423 penetrates through the accommodating cavity 6413 and extends into the first through hole 6412, and the end of the flanged pipe 6423 located in the first through hole 6412 is fixedly connected with the first plug 6425a through the supporting rod 6425 a.

In this embodiment, when the diaphragm of the pulse damper 64 is pressed, the pressed gas pushes the pressing seat 6421 and the flange tube 6423 to move upward, and drives the first spring 6424 to deform, and at this time, the first plug 6425 can close the upper step 64121.

In an embodiment of the present invention, the pressing base 6421 is provided with a second communication hole 6421a penetrating along an axis, the second communication hole 6421a communicates with the flange tube 6423, and the second communication hole 6421a is provided with a second sealing member 643 therein. Here, when the diaphragm of the pulse damper 64 is pressed, the pressed gas first pushes the second closing member 643 to close the second communication hole 6421a, that is, at this time, the second communication hole 6421a is not communicated with the pressing hole 6414, and the pressing seat 6421 is pushed up by the pressing force of the pressed gas.

As an embodiment of the present invention, further, the second sealing member 643 includes a cross bar 6431, a second spring 6432 and a second plug 6433, the second spring 6432 is provided between the cross bar 6431 and the protruding portion of the second communication hole 6421a, and the end of the cross bar 6431 near the pressing hole 6414 is fixedly connected with the second plug 6433. When the diaphragm of the pulse damper 64 is pressed, the second plug 6433 and the cross bar 6431 are pushed upward by the thrust of the pressed gas, and the second plug 6433 abuts on the projection of the second communication hole 6421a, and the second spring 6432 is deformed to close the second communication hole 6421a.

As an embodiment of the present invention, further, the two side walls of the accommodating cavity 6413 are both provided with exhaust holes 6415, and the exhaust holes 6415 and the exhaust port 64a are coaxially arranged. When the pressing seat 6421 is pushed up, the compressed air enters the receiving cavity 6413 and is exhausted through the combination of the exhaust hole 6415 and the exhaust port 64 a.

Specifically, this a supply liquid pipeline's theory of operation with step-down buffer function: when the solution is added, the solution in the solution tank 1 is conveyed to the adding pipeline 5 through the metering pump 43; in this process, a part of the solution enters the fourth pipe 61 and reaches the pulse damper 64, the part of the solution presses the diaphragm of the pulse damper 64 to perform buffer depressurization, and at the same time, when the diaphragm of the pulse damper 64 is pressed, the pushing force of the pressed gas pushes the second plug 6433 and the cross bar 6431 to move upward, the second plug 6433 abuts against the protruding portion of the second communication hole 6421a, and at the same time, the second spring 6432 is deformed to close the second communication hole 6421 a; then, the pressing seat 6421 is pushed up by the thrust of the compressed gas, the pressing seat 6421 is attached to the upper wall of the accommodating cavity 6413, the compressed gas pushes the pressing seat 6421 and the flange tube 6423 to move upwards and drive the first spring 6424 to deform, the first plug 6425 seals the upper stepped channel 64121, so that the external air can not enter the pulse damper 64 any more, and at the same time, the compressed gas flows to the accommodating cavity 6413 and is finally discharged to the outside.

It should be noted that the model specification of the metering pump 43 needs to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.

The supply of the metering pump 43 and its principle will be clear to the person skilled in the art and will not be described in detail here.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 liquid supply pipeline with the pressure reduction and buffering functions is characterized by comprising a solution tank (1) and a four-way pipe (2), wherein a return pipeline (3), a conveying pipeline (4), a feeding pipeline (5) and a buffering pipeline (6) are connected to the end part of the four-way pipe (2) along the anticlockwise rotation direction, and one ends of the return pipeline (3) and the conveying pipeline (4) are communicated with the solution tank (1);

the device comprises a backflow pipeline (3), a delivery pipeline (4), a feeding pipeline (5) and a buffer pipeline (6), wherein the backflow pipeline (3) comprises an observation pipe (32) and a safety valve (33) which are sequentially connected through a first pipeline (31), the delivery pipeline (4) comprises a first ball valve (42) and a metering pump (43) which are sequentially connected through a second pipeline (41), the feeding pipeline (5) comprises a back pressure valve (52) which is connected through a third pipeline (51), and the buffer pipeline (6) comprises a second ball valve (62), a pressure gauge (63) and a pulse damper (64) which are sequentially connected through a fourth pipeline (61);

an adjusting assembly (64 c) is installed in the exhaust port (64 a) of the pulse damper (64), and the adjusting assembly (64 c) comprises a shell (641), a first closing piece (642) and a second closing piece (643) which are arranged in sequence.

2. The line of claim 1, wherein the sight tube (32) is a transparent plastic tube.

3. The liquid supply pipeline with the pressure reduction and buffer functions as claimed in claim 1, wherein both side walls of the exhaust port (64 a) are provided with exhaust holes (6415).

4. The fluid supply line having a pressure reducing and buffering function as claimed in claim 3, wherein the housing (641) comprises a body (6411) and a first communication hole (6412), a receiving chamber (6413) and a pressing hole (6414) which communicate in this order along an axis of the body (6411).

5. The fluid supply pipeline with the pressure reducing and buffering functions as claimed in claim 4, wherein the extrusion hole (6414) is stepped near an upper port of the accommodating cavity (6413).

6. The liquid supply line having a pressure-reducing buffer function as claimed in claim 5, wherein the first communication hole (6412) includes an upper stepped passage (64121), an annular passage (64122) and a lower stepped passage (64123) which communicate in this order along an axis of the housing (6411).

7. A fluid supply line with pressure reducing and buffering functions as claimed in claim 5, wherein the first closing member (642) comprises a pressing seat (6421), a supporting sleeve (6422), a flanged pipe (6423), a first spring (6424) and a first plug (6425), the bottom of the pressing seat (6421) has an inner groove adapted to the upper port of the extrusion hole (6414), the pressing seat (6421) is disposed at the upper port of the extrusion hole (6414), the supporting sleeve (6422) is fixedly connected to the top of the pressing seat (6421), the inner surface of the supporting sleeve (6422) is fixedly connected with one end of the flanged pipe (6423), the first spring (6424) is sleeved on the outer surface of the flanged pipe (6423), two ends of the first spring (6424) are respectively abutted against the receiving cavity (6413) and the supporting sleeve (6422), the other end of the flanged pipe (6423) extends through the receiving cavity (6413) to the inner surface of the first connecting rod (6425), and the first connecting rod (6425) is fixedly connected with the end of the supporting sleeve (6412) through the first connecting rod (6425).

8. The liquid supply pipeline with the pressure reducing and buffering functions as claimed in claim 7, wherein the pressure seat (6421) is axially provided with a second communicating hole (6421 a) therethrough, the second communicating hole (6421 a) communicates with the flange pipe (6423), and a second closing member (643) is provided in the second communicating hole (6421 a).

9. The liquid supply line having a decompression absorption function according to claim 8, wherein the second closing member (643) includes a cross bar (6431), a second spring (6432), and a second stopper (6433), the second spring (6432) is provided between the cross bar (6431) and the projection of the second communication hole (6421 a), and the second stopper (6433) is fixedly connected to an end of the cross bar (6431) near the pressing hole (6414).

10. The liquid supply pipeline with the pressure reduction and buffering functions as claimed in claim 4, wherein exhaust holes (6415) are formed in two side walls of the accommodating cavity (6413), and the exhaust holes (6415) and the exhaust port (64 a) are coaxially arranged.