阅读说明：本技术 一种导向曲线微型阀 (Guide curve micro valve ) 是由 王庆新 王揽月 于 2020-11-20 设计创作，主要内容包括：本发明公开一种导向曲线微型阀,包括导向条、微阀、塔盘,所述微阀和所述塔盘连接,所述微阀对应所述塔盘上的阀孔设置,所述导向条和所述微阀连接,所述导向条对应所述微阀上的导向孔设置,所述微阀边缘设置为微阀曲线,所述阀孔边缘设置为阀孔曲线；本发明所述导向孔具有导向性,可以将传质传热效率提高30％以上；所述微阀曲线和所述阀孔曲线,将气流分为若干个小气流,气液传质传热效率提高30％以上；所述导向孔及所述微阀曲线、所述阀孔曲线设置,可以将塔阻力至少降低15％以上,有效降低运行能耗及提高分离效率。(The invention discloses a guide curve micro valve, which comprises a guide strip, a micro valve and a tower tray, wherein the micro valve is connected with the tower tray, the micro valve is arranged corresponding to a valve hole on the tower tray, the guide strip is connected with the micro valve, the guide strip is arranged corresponding to a guide hole on the micro valve, the edge of the micro valve is set to be a micro valve curve, and the edge of the valve hole is set to be a valve hole curve; the guide hole has guidance performance, and can improve the mass and heat transfer efficiency by more than 30%; the micro valve curve and the valve hole curve divide the gas flow into a plurality of small gas flows, and the gas-liquid mass and heat transfer efficiency is improved by more than 30%; the guide hole, the micro valve curve and the valve hole curve are arranged, so that the tower resistance can be reduced by at least more than 15%, the operation energy consumption is effectively reduced, and the separation efficiency is improved.)

1. The micro valve with the guide curve is characterized by comprising a guide strip, a micro valve and a tray, wherein the micro valve is connected with the tray, the micro valve corresponds to a valve hole on the tray, the guide strip is connected with the micro valve, the guide strip corresponds to a guide hole on the micro valve, the edge of the micro valve is set to be a micro valve curve, and the edge of the valve hole is set to be a valve hole curve.

2. The pilot curve microvalve of claim 1, wherein said microvalve and said valve opening are each formed in the shape of an isosceles trapezoid of the same size in cross section, the two waist edges of said isosceles trapezoid being formed in a curve, the two waist edges of said microvalve being said microvalve curve, and the two waist edges of said valve opening being said valve opening curve.

3. The guided curve microvalve of claim 2, wherein said waist edge is a plurality of semicircular curves of diameter D connected end to end in a single curve, with adjacent pairs of said semicircular curves having opposite curvature.

4. The pilot curve microvalve of claim 2, wherein said microvalve is connected to said valve bore at a bottom edge.

5. The guide curve microvalve of claim 1, wherein said guide strip is a strip-like structure, and both ends of said guide strip are connected to said microvalve, respectively, a guide cavity is formed between said guide strip and said microvalve, said guide cavity being in communication with said guide hole.

6. The guide curve microvalve of claim 5, wherein said guide strip is U-shaped or C-shaped.

7. The pilot curve microvalve of claim 6, wherein said guide strip is disposed on a side of said pilot hole remote from said valve hole.

8. The pilot curve microvalve of claim 7, wherein both ends of said guide strip are connected at the edge positions of said pilot hole.

9. The guided curve microvalve of claim 8, wherein said guide hole has a size of 3cm x 6cm and a height between said guide strip and said guide hole is 1 cm.

Technical Field

The invention relates to the technical field of tower trays, in particular to a guide curve micro valve.

Background

At present, separation technologies such as an F valve tower, a bubble cap tower, a sieve plate tower, a packed tower and the like cannot be separated in the fields of rectification, steam stripping, extraction, evaporation and the like, and the separation technologies are the main measures for physically separating substances at present.

At present, the fields of rectification, steam stripping, extraction, evaporation and the like adopt an F valve tower, a bubble cap tower and a sieve plate tower, and the separation technology has large resistance, large tower diameter, high equipment investment and difficulty in using large-scale devices; the resistance of the packed tower is low, and the large-scale packing tower is easy to realize, but the problems of tower wall effect, large engineering investment and the like also exist.

In view of the above-mentioned drawbacks, the inventors of the present invention have finally obtained the present invention through a long period of research and practice.

Disclosure of Invention

In order to solve the technical defects, the technical scheme adopted by the invention is to provide a guide curve micro valve which comprises a guide strip, a micro valve and a tower tray, wherein the micro valve is connected with the tower tray, the micro valve is arranged corresponding to a valve hole on the tower tray, the guide strip is connected with the micro valve, the guide strip is arranged corresponding to a guide hole on the micro valve, the edge of the micro valve is arranged into a micro valve curve, and the edge of the valve hole is arranged into a valve hole curve.

Preferably, the cross sections of the micro valve and the valve hole are both set to be isosceles trapezoids with the same size, two waist edges of the isosceles trapezoids are set to be curved, the two waist edges of the micro valve are the micro valve curve, and the two waist edges of the valve hole are the valve hole curve.

Preferably, the waist edge is a whole curve formed by connecting a plurality of semicircular curves with the diameter of D end to end, and the radian directions of two adjacent semicircular curves are opposite.

Preferably, the microvalve is connected to the valve hole at a bottom edge.

Preferably, the guide strip is of a strip structure, two ends of the guide strip are respectively connected with the micro valve, a guide cavity is formed between the guide strip and the micro valve, and the guide cavity is communicated with the guide hole.

Preferably, the guide strip is U-shaped or C-shaped.

Preferably, the guide bar is arranged on one side of the guide hole far away from the valve hole.

Preferably, both ends of the guide strip are connected at the edge position of the guide hole.

Preferably, the size of the guide hole is 3cm × 6cm, and the height between the guide strip and the guide hole is 1 cm.

Compared with the prior art, the invention has the beneficial effects that: 1, the guide hole has guidance quality, and can improve the mass and heat transfer efficiency by more than 30%; 2, the micro valve curve and the valve hole curve divide the gas flow into a plurality of small gas flows, so that the gas-liquid mass and heat transfer efficiency is improved by more than 30%; 3, the guide hole, the micro valve curve and the valve hole curve are arranged, so that the tower resistance can be reduced by at least more than 15%, the operation energy consumption is effectively reduced, and the separation efficiency is improved.

Drawings

FIG. 1 is a perspective view of the pilot curve microvalve configuration;

FIG. 2 is a top view of the pilot curve microvalve configuration;

figure 3 is a structural side cross-sectional view of the pilot curve microvalve.

Reference numerals:

1-a guide bar; 2-a guide hole; 3-microvalve curve; 4-a micro valve; 5-a valve hole; 6-valve hole curve; 7-tray.

Detailed Description

The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.

As shown in fig. 1, 2 and 3, fig. 1 is a perspective view of the structure of the guide curve microvalve; FIG. 2 is a top view of the pilot curve microvalve configuration; figure 3 is a structural side cross-sectional view of the pilot curve microvalve. The guide curve micro valve comprises a guide strip 1, a micro valve 4 and a tray 7, wherein the micro valve 4 is connected with the tray 7, the micro valve 4 is arranged corresponding to a valve hole 5 on the tray 7, the guide strip 1 is connected with the micro valve 4, the guide strip 1 is arranged corresponding to a guide hole 2 on the micro valve 4, the edge of the micro valve 4 is arranged to be a micro valve curve 3, and the edge of the valve hole 5 is arranged to be a valve hole curve 6.

The cross sections of the micro valve 4 and the valve hole 5 are both in the shape of an isosceles trapezoid with the same size, the bottom of the isosceles trapezoid forms an included angle of 75 degrees, the length ratio of the top edge to the bottom edge is 1: 4-8, the length of the top edge is set within the range of 2 cm, the height of the isosceles trapezoid is set within the range of 5 cm-10 cm, two waist edges of the isosceles trapezoid are in a curve shape, specifically, the whole curve is formed by connecting a plurality of semicircular curves with the diameter of D end to end, and the radian directions of every two adjacent semicircular curves are opposite.

The micro valve 4 is connected with the valve hole 5 at the bottom edge, a plurality of semicircular curves with the diameter of D are connected at the periphery of the micro valve 4 to form the micro valve curve 3, and a plurality of semicircular curves with the diameter of D are connected at the periphery of the valve hole 5 to form the valve hole curve 6.

Specifically, the microvalve 4 is punched out by a punch press directly on the tray 7, the protruding part is punched and deformed to form the microvalve 4, and the microvalve 4 is separated from the notch position of the tray 7 to form the valve hole 5.

In the mass transfer process: the gas phase penetrates through the valve hole 5 from bottom to top, the liquid phase flows through the valve hole 5 from top to bottom, the gas phase and the liquid phase flow in opposite directions, the micro valve curve 3 and the valve hole curve 6 are irregular, the curve-shaped micro valve curve 3 and the valve hole curve 6 are more than 1.5 times of the linear waist length, the large gas flow is effectively divided into a plurality of small gas flows, the liquid is also divided into a plurality of small fluids, the heat and mass transfer efficiency is effectively improved, and the heat and mass transfer efficiency is at least improved by more than 30% compared with other traditional valve types.

The guide strip 1 is of a strip structure, and two ends of the guide strip 1 are respectively connected with the micro valve 4. The guide strip 1 is U-shaped or C-shaped, so that a guide cavity is formed between the guide strip 1 and the micro valve 4, and the guide cavity is communicated with the guide hole 2.

Preferably, the guide bar 1 is disposed at a side of the guide hole 2 far away from the valve hole 5, and both ends of the guide bar 1 are connected to an edge of the guide hole 2.

Specifically, the guide strip 1 and the guide hole 2 are directly formed by stamping on the micro valve 4, the part protruding out by stamping is the guide strip 1, and the guide strip 1 is separated from the notch position of the micro valve 4 to form the guide hole 2.

Typically, the guide hole 2 is 3cm × 6cm (width × length), the height between the guide bar 1 and the guide hole 2 is 1cm, and the width × length of the guide bar 1 is 3cm × 6 cm.

When the gas-liquid finishes the heat and mass transfer process on the tray 7, the tray 7 is actually filled with the liquid phase, the liquid phase covers all the micro valves 4, the gas phase flows from the bottom of the tray 7 through the valve holes 5 from bottom to top, the guide strips 1 and the guide holes 2 are arranged, the gas phase is contacted with the liquid phase on the tray 7 through the guide holes 2 and the guide cavities from bottom to top, and the guide cavities formed by the guide strips 1 force the flow direction of the gas phase to be parallel to the upper surface of the micro valves 4, so that the gas-liquid heat transfer efficiency is increased, the path of the gas phase passing through the liquid phase can be effectively reduced, and the resistance of the whole tower is reduced by at least 15% compared with other tower types.

The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative and not limiting. It will be understood by those skilled in the art that various changes, modifications and equivalents may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.