CN109908780B - Self-adjusting liquid mixing pipeline - Google Patents
Self-adjusting liquid mixing pipeline Download PDFInfo
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- CN109908780B CN109908780B CN201910243961.8A CN201910243961A CN109908780B CN 109908780 B CN109908780 B CN 109908780B CN 201910243961 A CN201910243961 A CN 201910243961A CN 109908780 B CN109908780 B CN 109908780B
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Abstract
The invention relates to a self-adjusting liquid mixing pipeline, which comprises a pipeline inlet section, a mixing section and a pipeline outlet section, wherein the pipeline inlet section comprises a circular interface at a first end, a switching section at the middle part and a rectangular interface at a second end; mix the section and radially be equipped with a plurality of mixed liquid pipes, the first end of mixing the liquid pipe is the enclosed construction, mixes the inlet of liquid pipe for waiting to sneak into the second end of liquid pipe, mixes the outside that the second end of liquid pipe is located the mixing section, mixes the first end of liquid pipe and is located the inside of mixing the section, mixes the liquid pipe and is located and is equipped with a plurality of through-holes on the pipe wall of mixing section inside, and as waiting to sneak into the liquid outlet of liquid, the through-hole is located the one side that is close to. The invention can automatically adjust the flow of the mixed fluid according to the change of the flow of the main fluid, realize the stability of the mixing rate and ensure the uniformity of the liquid mixing.
Description
Technical Field
The invention belongs to the technical field of liquid mixing, and relates to a self-adjusting liquid mixing pipeline.
Background
The pipeline mixer is a mixer without any mechanical moving parts, which can achieve the purpose of uniform mixing through the action of a certain component or a mixing element when fluid flows in a pipeline. The pipeline mixers commonly used in industry include static baffle type, orifice type, three-way type mixers, etc. The existing various mixing forms are that a main fluid and a mixed liquid are directly mixed, the flow of the main fluid fluctuates under the influence of pipelines and external factors in the practical application process, under the condition of large fluctuation, the mixed liquid can not change in real time according to the change of the main fluid, and the mixing rate fluctuates.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a self-adjusting liquid mixing pipeline which can automatically adjust the flow of mixed fluid according to the change of the flow of a main fluid, and based on cylindrical bypass, a low-pressure area at the downstream of the bypass is influenced by the flow velocity of the main fluid, so that the outlet pressure of the liquid to be mixed is influenced, the mixed liquid amount is adjusted according to the change of the main flow, and the stability of the mixing rate is realized.
In order to solve the technical problems, the invention provides the following technical scheme:
a self-adjusting liquid mixing pipeline comprises a pipeline inlet section, a mixing section and a pipeline outlet section, wherein the pipeline inlet section comprises a circular interface at a first end, a switching section at the middle part and a rectangular interface at a second end, the switching section is used for realizing transition from circular to rectangular, the second end of the pipeline inlet section is connected with the first end of the mixing section, the second end of the mixing section is connected with the pipeline outlet section, the end surface of the mixing section is rectangular, the design of the rectangular end surface is convenient for installation of a mixed liquid conduit and mixing of liquid, a main fluid flows into the pipeline inlet section through the circular interface at the first end of the pipeline inlet section, flows into the mixing section through the rectangular interface at the second end after flowing through the switching section in the middle part, and finally enters the mixing section through the rectangular interface at the second end to be mixed with the liquid in the mixing section, and the mixed liquid flows out through the pipeline outlet; a plurality of mixed liquid guide pipes are radially arranged on the mixing section, the first ends of the mixed liquid guide pipes are of a closed structure, the second ends of the mixed liquid guide pipes are liquid inlets to be mixed with liquid, the second ends of the mixed liquid guide pipes are positioned outside the mixing section, the first ends of the mixed liquid guide pipes are positioned inside the mixing section, a plurality of through holes are formed in the pipe wall of the mixed liquid guide pipes positioned inside the mixing section and serve as liquid outlets to be mixed with the liquid, and the through holes are positioned on one side close to the outlet section of the pipeline; the liquid to be mixed enters the mixing liquid guide pipe through the liquid inlet at the second end of the mixing liquid guide pipe, flows out of the mixing liquid guide pipe through the through holes on the pipe wall, enters the mixing section, and when the main fluid enters the mixing section and flows through the mixed liquid guide pipe, a cylindrical turbulent flow is formed due to the existence of the mixed liquid guide pipe, a low-pressure area is formed at the downstream of the incoming flow, the liquid outlet of the mixed liquid guide pipe is just positioned in the low-pressure area, the liquid to be mixed enters the low-pressure area after passing through the liquid outlet and is mixed with the main fluid, and the mixed liquid flows out of the self-.
Preferably, the first end of the mixed liquor conduit bears against an inner wall of the mixing section.
Preferably, the mixed liquid conduit is a cylindrical tube.
Preferably, the pipeline inlet section and the mixing section are connected by a bolt group, and the mixing section and the pipeline outlet section are connected by a bolt group.
Preferably, the mixed liquor conduit is secured to the mixing section by a fastening ring and sealed by a sealing ring.
Compared with the prior art, the invention has the following beneficial effects:
the self-adjusting liquid mixing pipeline has a simple structure, can automatically adjust the flow of mixed liquid according to the change of the flow of a main fluid, an inlet section of the pipeline is connected with the main fluid, a mixed liquid guide pipe is connected with the liquid to be mixed, the liquid to be mixed is led in through the mixed liquid guide pipe and enters a mixing section through a through hole, the main fluid is cylindrical and flows around when passing through the mixed liquid guide pipe, a low-pressure area is formed at the downstream of the incoming flow, a liquid outlet of the mixed liquid guide pipe is just positioned in the low-pressure area, and the liquid to be mixed enters the low-pressure area to. In the flowing process of the main fluid, along with the increase of the flow of the main fluid, the pressure of a low-pressure area formed by the circumfluence is reduced, the pressure outside the liquid outlet of the mixed liquid guide pipe is reduced, the flow of the liquid to be mixed is increased, and similarly along with the decrease of the flow rate of the main fluid, the pressure of the liquid outlet is increased, and the flow of the liquid to be mixed is reduced. The low-pressure area at the downstream of the bypass flow is influenced by the flow speed of the main fluid, so that the outlet pressure of the liquid to be mixed is influenced, the mixed liquid amount is adjusted according to the change of the main flow, and the mixing rate is stabilized.
The cylindrical circumfluence can form turbulent flow at the rear side of the mixed liquid guide pipe, the turbulent flow is generated at the position of the liquid outlet, and the mixed liquid is disturbed, so that the uniformity of liquid mixing is improved. And along with the increase of the flow velocity of the main fluid, the turbulence is intensified, the disturbance intensity is increased, and the liquid uniformity is favorably realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are 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 diagram of the self-regulating liquid mixing line of the present invention;
FIG. 2 is a top view of the self-regulating liquid mixing line of the present invention;
FIG. 3 is a side view of the pipe inlet section of the present invention;
FIG. 4 is a cross-sectional view of a mixing section of the present invention;
FIG. 5 is a cross-sectional view of a mixed liquor conduit of the present invention;
fig. 6 illustrates the mixing process of the self-adjusting liquid mixing pipeline of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, and is not intended to limit the scope of the invention. It is to be understood that in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used merely to simplify the description of words for distinguishing between similar elements and are not to be construed as specifying a sequential relationship between particular orders.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
As shown in fig. 1, the present invention provides a self-adjusting liquid mixing pipeline, which includes a pipeline inlet section 1, a mixing section 2 and a pipeline outlet section 3, wherein the pipeline inlet section 1 includes a circular interface at a first end, a middle switching section and a rectangular interface at a second end, the switching section is used for realizing transition from circular to rectangular, the circular interface at the first end of the pipeline inlet section is connected with a main liquid conveying pipeline, the rectangular interface at the second end of the pipeline inlet section 1 is connected with the first end of the mixing section 2 through a thread group 4, the second end of the mixing section 2 is connected with the pipeline outlet section 3 through a thread group, the end surface of the mixing section 2 is rectangular, and the design of the rectangular end surface facilitates installation of a mixed liquid conduit and mixing of liquids. The main fluid flows into the pipeline inlet section 1 through the circular connector 11 at the first end, flows through the middle adapter section, and finally enters the mixing section 2 through the rectangular connector 12 at the second end; mix section 2 and radially be equipped with a plurality of mixed liquid pipes 22, the first end of mixing liquid pipe 22 is enclosed construction, the second end of mixing liquid pipe 22 is for waiting to sneak into the inlet of liquid, the second end that mixes liquid pipe 22 is located the outside of mixing section, the first end that mixes liquid pipe 22 is located the inside of mixing section 2, and support on the inner wall of mixing section, form the cylinder when being used for the main fluid to flow through mixing liquid pipe and flow around, it is equipped with a plurality of through-holes 222 on the pipe wall that mixed liquid pipe 22 is located mixing section inside, as the liquid outlet of waiting to sneak into liquid, through-hole 222 is located the one side that is close to pipeline export. The liquid to be mixed enters the interior of the mixing liquid guide pipe through the liquid inlet at the second end of the mixing liquid guide pipe 22, flows out of the mixing liquid guide pipe 22 through the through hole 222 on the pipe wall, and enters the mixing section. When the main fluid flows into the mixing section 2 and flows through the mixed liquid conduit, the mixed liquid conduit is a cylindrical pipe, so that cylindrical turbulent flow is formed, a low-pressure area is formed at the downstream of the incoming flow, the liquid outlet of the mixed liquid conduit 22 is just positioned in the low-pressure area, and the liquid to be mixed enters the low-pressure area after passing through the liquid outlet and is mixed with the main fluid. The mixed liquid flows out of the self-adjusting liquid mixing pipeline through the pipeline outlet section.
Preferably, the area of the rectangular port is slightly larger than that of the circular port, so that the flow rate of the total liquid is not greatly changed after the liquid to be mixed is added. And if the amount of the liquid to be mixed is larger, adjusting the area difference between the rectangular interface and the circular interface to ensure that the whole flow velocity is basically unchanged. The diameter of the outlet section of the conduit is adjusted according to the specific amount of liquid to be mixed, and if the amount of liquid to be mixed is large, the diameter of the outlet section needs to be increased to keep the flow rate of the liquid substantially constant.
Preferably, the mixing section may have other shapes for facilitating the mixing of the liquids, and the shape of the interface at the second end of the pipe inlet section 1 is changed correspondingly, and the shape of the interface at the pipe outlet section connected with the mixing section is also changed.
In the present embodiment, as shown in fig. 1, the pipeline inlet section 1 and the mixing section 2 are connected through a thread group 4, and the mixing section 2 is connected with the pipeline outlet section through a thread group. As shown in fig. 2, 5 mixed liquid conduits 22 are arranged in the vertical direction of the mixing section 2, the main fluid flows in from the pipeline inlet section 1, the liquid to be mixed flows in from the mixed liquid conduits 22 into the mixing section, and after the main fluid and the liquid to be mixed are mixed in the mixing section 2, the mixed liquid flows out through the pipeline outlet section 3. As shown in fig. 4 and 5, 5 mixed liquid conduits 22 are arranged perpendicular to the mixing section 2, the liquid inlet is located outside the mixing section 2, the mixed liquid conduits are provided with threads 221, the threads 221 are screwed with the fastening ring 24 to fix the mixed liquid conduits 22 on the shell 21 of the mixing section 2, a sealing ring 23 is arranged between the shell 21 and the mixed liquid conduits 22 for sealing, the liquid outlet 222 of the mixed liquid conduits 22 is located in the mixing section 2, the sealed first end of the mixed liquid conduits 22 abuts against the inner pipe wall of the mixing section, the mixed liquid conduits 22 are cylindrical pipes, and a cylindrical turbulent flow is formed when the main fluid flows through the mixed liquid conduits 22.
In the working process of the mixing pipeline, the pipeline inlet section 1 is connected with the main fluid 10, the mixed liquid conduit 22 is connected with the liquid 20 to be mixed, the liquid 20 to be mixed enters the main fluid 10 through the liquid outlet of the mixed liquid conduit 22 to be mixed, the mixed liquid flows out through the pipeline outlet section 3.
As shown in fig. 6, the specific mixing process is as follows: the cylindrical bypass of primary fluid 10 through mixture conduit 22 creates a low pressure zone downstream of the incoming flow, with liquid outlet 222 of mixture conduit 22 being directly within the low pressure zone, and the liquid to be mixed in mixture conduit 22 entering low pressure zone 40, thereby effecting mixing of liquid to be mixed 20 with primary fluid 10. In the flowing process of the main fluid 10, along with the increase of the flow of the main fluid, the pressure of a low-pressure area formed by the circumfluence is reduced, the pressure outside the liquid outlet 222 of the mixed liquid conduit is reduced, the flow of the liquid to be mixed is increased, and similarly along with the decrease of the flow rate of the main fluid, the pressure of the liquid outlet is increased, the flow of the liquid to be mixed is reduced, so that the constant of the mixing rate is realized.
Meanwhile, the cylindrical circumfluence forms a turbulent flow zone 30 at the rear side of the mixed liquid conduit, and the turbulent flow occurs at the position of the liquid outlet 222 to disturb the mixed liquid, thereby improving the uniformity of liquid mixing. And along with the increase of the flow velocity of the main fluid, the turbulence is intensified, the disturbance intensity is increased, and the liquid uniformity is favorably realized.
Finally, it should be noted that: the above embodiments are only used to illustrate the present invention and do not limit the technical solutions described in the present invention; thus, although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and protected by the following claims.
Claims (5)
1. A self-adjusting liquid mixing pipeline is characterized in that: the main fluid flows into the pipeline inlet section through the circular interface at the first end of the pipeline inlet section, flows into the mixing section through the rectangular interface at the second end after flowing through the middle switching section, is mixed with the liquid in the mixing section, and flows out through the pipeline outlet section;
the mixing section is provided with a plurality of mixed liquid guide pipes, the first ends of the mixed liquid guide pipes are of a closed structure, the second ends of the mixed liquid guide pipes are liquid inlets to be mixed with liquid, the second ends of the mixed liquid guide pipes are positioned outside the mixing section, the first ends of the mixed liquid guide pipes are positioned inside the mixing section, the pipe wall of the mixed liquid guide pipes positioned inside the mixing section is provided with a plurality of through holes serving as liquid outlets to be mixed with liquid, and the through holes are positioned on one side close to the outlet section of the pipeline; the liquid to be mixed enters the mixing liquid guide pipe through the liquid inlet at the second end of the mixing liquid guide pipe, flows out of the mixing liquid guide pipe through the through holes on the pipe wall, enters the mixing section, and when the main fluid enters the mixing section and flows through the mixed liquid guide pipe, a cylindrical turbulent flow is formed due to the existence of the mixed liquid guide pipe, a low-pressure area is formed at the downstream of the incoming flow, the liquid outlet of the mixed liquid guide pipe is just positioned in the low-pressure area, the liquid to be mixed enters the low-pressure area after passing through the liquid outlet and is mixed with the main fluid, and the mixed liquid flows out of the self-.
2. The self-regulating liquid mixing line of claim 1, wherein: the first end of the mixed liquid guide pipe is propped against the inner wall of the mixing section.
3. The self-regulating liquid mixing line of claim 1, wherein: the mixed liquid conduit is a cylindrical tube.
4. The self-regulating liquid mixing line of claim 1, wherein: the pipeline inlet section is connected with the mixing section through a bolt group, and the mixing section is connected with the pipeline outlet section through a bolt group.
5. The self-regulating liquid mixing line of claim 1, wherein: the mixed liquid guide pipe is fixed on the mixed section through a fastening ring and sealed through a sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910243961.8A CN109908780B (en) | 2019-03-28 | 2019-03-28 | Self-adjusting liquid mixing pipeline |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910243961.8A CN109908780B (en) | 2019-03-28 | 2019-03-28 | Self-adjusting liquid mixing pipeline |
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| CN109908780A CN109908780A (en) | 2019-06-21 |
| CN109908780B true CN109908780B (en) | 2020-06-12 |
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| US4577461A (en) * | 1983-06-22 | 1986-03-25 | Cann Gordon L | Spacecraft optimized arc rocket |
| FR2750347A1 (en) * | 1996-07-01 | 1998-01-02 | Klein Christophe Pierre Lucien | Venturi foam generator using ultra sound to produce small bubbles |
| ATE357966T1 (en) * | 2003-12-18 | 2007-04-15 | Bowles Fluidics Corp | FLUID INJECTOR AND MIXING DEVICE |
| NO337168B1 (en) * | 2012-07-05 | 2016-02-01 | Fmc Kongsberg Subsea As | Apparatus and method for mixing at least a first and second fluid phases |
| CN103111213B (en) * | 2013-02-04 | 2015-10-21 | 西安交通大学 | A kind of venturi mixer containing special Inserting Tube |
| CN105597477B (en) * | 2016-03-23 | 2017-12-01 | 河北工业大学 | Remove the device and method of superfine particulate matter in fire coal boiler fume |
| CN205886640U (en) * | 2016-07-21 | 2017-01-18 | 西安交通大学 | Outflow pipeline contains venturi mixer of stagger arrangement tube bank |
| CN205850620U (en) * | 2016-08-15 | 2017-01-04 | 中石化炼化工程（集团）股份有限公司 | Microbubble generator |
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Effective date of registration: 20211130 Address after: 551100 1-11, No. 13, Dongmen neighborhood committee Zhenfu Road, Yongjing Town, Xifeng County, Guiyang City, Guizhou Province Patentee after: Guiyang Boyue Technical Service Center Address before: No.438, west section of Hebei Street, Haigang District, Qinhuangdao City, Hebei Province Patentee before: Yanshan University |
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