CN103143186B - Rotary shear flow tray - Google Patents
Rotary shear flow tray Download PDFInfo
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- CN103143186B CN103143186B CN201310043241.XA CN201310043241A CN103143186B CN 103143186 B CN103143186 B CN 103143186B CN 201310043241 A CN201310043241 A CN 201310043241A CN 103143186 B CN103143186 B CN 103143186B
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- tower tray
- circle
- liquid
- tray
- center
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Abstract
The invention provides a rotary shear flow tray which includes a tray. A plurality of downcomers and a plurality of spraying inclined holes are arranged on the tray, one end of each downcomer is fixed on a periphery of the tray, and the other end extends towards the centre of the tray until being communicated with a central liquid-collecting tube below the tray. A liquid outlet of the central liquid-collecting tube is communicated with a liquid-receiving groove arranged below the central liquid-collecting tube. The spraying inclined holes which regard the center of the tray as the center of a circle form multiple circles of concentric spraying inclined hole rings in a circumferential arrangement. Spraying holes of each spraying inclined hole ring which is arranged inside a circle of a downcomer tube ring are arranged at intervals in a clockwise or counterclockwise mode. The rotary shear flow tray has the advantages of 1) increasing a contact area of gas and liquid, accelerating the updating of two-phase surfaces of the gas and the liquid, and decreasing the resistance of a gas membrane and a liquid membrane; 2) strengthening eddy diffusion transmission; 3) prolonging the contact time of the gas and the liquid; 4) ensuring that the gas and the liquid are in a countercurrent contact for multiple times, preventing short-circuit, entrainment, and backmixing of the air and the liquid, and enhancing mass transfer driving force.
Description
Technical field
The present invention relates to a kind of rotational shear stream tower tray.
Background technology
Plate column is one of unit operating equipment obtaining in Chemical Manufacture very extensive use, is mainly used in the washing of rectifying, absorption and gas etc.Because of its have production capacity large, control easy, operating flexibility large, stable performance and maintenance, clean all advantages such as more convenient.Plate column, because of the different towers that are divided into different names of form of its internal tray, common are (1) bubble column, (2) sieve-plate tower, (3) valve tower, (4) jetting type tower plate at present.Up to now, existing spray tower is on tower tray, to have with liquid to flow equidirectional spray-hole (as ligulate hole) (See Figure 5), and gas is through the ejection of tongue hole, and the component of its along continuous straight runs has promoted liquid flow.Because the liquid stream maximum path on a certain tower tray is the air line distance from the Dao Jiang liquid zone, liquid receiving area of tower tray, thereby make the time of staying of liquid on tower tray very short, cause the insufficient plate efficiency of gas-liquid contact on the low side.
Summary of the invention
For solve in existing jetting type tower plate the time of staying of liquid on tower tray short, cause the insufficient plate efficiency of gas-liquid contact problem on the low side, the present invention proposes the rotational shear stream tower tray that a kind of liquid residence time is long, plate efficiency is high.
Rotational shear stream tower tray of the present invention, comprise tower tray, it is characterized in that: some downspouts are set on described tower tray, some injection inclined holes, one end of described downspout is fixed on the outer ring of described tower tray, the other end extends to tower tray center until be communicated with in the center collector tube below tower tray, described center collector tube liquid outlet passes into the liquid bath that is subject to that is positioned at collector tube below, center, described downspout forms a circle downspout circle along being circumferentially arranged of described tower tray, and one end that described downspout is fixed on described tower tray exceeds described tower tray upper surface, the described liquid bath that is subject to is connected with center collector tube by reinforcement plate, and utilizes center collector tube outlet and be subject to the liquid level difference between liquid bath overfall to form fluid-tight, and on the described cell wall that is subject to liquid bath, overfall is set, described injection inclined hole be take the center of described tower tray and is the concentric injection inclined hole circle of some circles that center of circle circumferential array forms, and be positioned at that the jet of described injection inclined hole circle of circle of described downspout circle is suitable, the jet of the described injection inclined hole circle outside the circle that is spaced counterclockwise, is positioned at described downspout circle is towards the center of described tower tray.
The circle of described downspout circle arranges the injection inclined hole circle described in a circle outward.
Injection inclined hole on injection inclined hole circle described in every circle is evenly distributed.
Downspout in described downspout circle is evenly distributed.
Described center collector tube and described be subject to liquid bath be all positioned at described tower tray center under.
Described injection inclined hole is made different shapes according to the demand of tower tray.
Described injection inclined hole can adopt the spray-hole of the shapes such as ligulate spray-hole, circular arc spray-hole, rectangular jet hole or triangle.
The outer most edge of described tower tray arranges a circle clamp, and described tower tray is fixed on the bracing ring welding mutually with tower wall by clamp.
The inclination angle of described injection inclined hole is 2～85 degree.
When the diameter of tower body is less than 1m, between adjacent tower tray, by circle ring rack, support, and the gap between tower tray and tower body secures with packing seal circle.
The gas being risen by tower tray below sprays from spraying inclined hole, the thrust of supposing gas is F, at the component F * cos of thrust gas α (α generally gets 15～35 °, and the less component of angle is larger in theory), along under the tangential promotion of circumference, liquid produces rotational flow; Suitable on tower tray, counterclockwise alternative arrangement is offered concentric circles and is sprayed inclined hole circle, liquid obtains " shear flow " under the effect of air-flow, on rotational shear stream tower tray, liquid is to flow along the different concentric circles of diameter one by one, under effect at the liquid near the liquid receiving area concentric circular tracks in the center of circle at centrifugal force, be diffused into again adjacent outer concentric circular tracks, until flow in outermost downspout, enter and be subject to liquid bath, then overflow and enter lower one deck tower tray by cell wall.
The invention has the beneficial effects as follows: strengthened gas, liquid contact area, accelerated renewal, reduction air film and the liquid-film resistance on gas-liquid two-phase surface; (2) strengthening eddy diffusivity transmission; (3) add widely atmosphere, liquid time of contact (path of liquid stream is one group of concentric circles); (4) guarantee repeatedly counter current contacting of gas, liquid, prevent gas, liquid short circuit, carry secretly, back-mixing, improve mass transfer force.Thereby can improve widely gas-liquid mass transfer or separative efficiency.
Accompanying drawing explanation
Fig. 1 is plane of the present invention.
Fig. 2 is that the structure chart of injection inclined hole of the present invention (be take ligulate spray-hole as example, the inclination angle that wherein inclined hole is sprayed in α representative; The vertical height that the jet of inclined hole is sprayed in t representative).
Fig. 3 is that (the 3 layers of tower tray of take are example, and wherein, b represents height liquid seal for the vertical distribution figure of tower tray of the present invention; D represents the height of liquid layer on tower tray; E represents the distance between plates between adjacent two tower trays; Φ represents tower body diameter).
Fig. 4 is the vertical distribution figure (the 3 layers of tower tray of take are example, and it is example that tower body diameter is less than 1m) of tower tray of the present invention.
Fig. 5 is that the structure chart of traditional tower tray (wherein, 1 ' represents tower tray; Inclined hole is sprayed in 2 ' representative; 3 ' represents downspout; 4 ' represents seal pot).
The specific embodiment
Below in conjunction with accompanying drawing, further illustrate the present invention
With reference to accompanying drawing:
Embodiment 1 rotational shear stream of the present invention tower tray, comprise tower tray 1, some downspouts 11 are set on described tower tray 1, some injection inclined holes 12, one end of described downspout 11 is fixed on the outer ring of described tower tray 1, the other end extends to tower tray 1 center until be communicated with in the center collector tube 13 below tower tray 1, described center collector tube 13 liquid outlets pass into be positioned at center collector tube 13 belows be subject to liquid bath 14, described downspout 11 forms a circle downspout circle along being circumferentially arranged of described tower tray 1, and one end that described downspout 11 is fixed on described tower tray 1 exceeds described tower tray 1 upper surface, the described liquid bath 14 that is subject to connects by reinforcement plate 15Yu center collector tube 13, and utilizes center collector tube outlet and be subject to the liquid level difference between liquid bath overfall to form fluid-tight, and on the described cell wall that is subject to liquid bath 14, overfall is set, described injection inclined hole 12 be take the center of described tower tray 1 and is the concentric injection inclined hole circle of some circles that center of circle circumferential array forms, and be positioned at that the jet of described injection inclined hole circle of circle of described downspout circle is suitable, the jet of the described injection inclined hole circle outside the circle that is spaced counterclockwise, is positioned at described downspout circle is towards the center of described tower tray 1.
The circle of described downspout circle arranges the injection inclined hole circle described in a circle outward.
Injection inclined hole 12 on injection inclined hole circle described in every circle is evenly distributed.
Downspout 11 in described downspout circle is evenly distributed.
Described center collector tube 13 and described be subject to liquid bath 14 be all positioned at described tower tray 1 center under.
Described injection inclined hole 12 is made different shapes according to the demand of tower tray.
Described injection inclined hole 12 can adopt the spray-hole of the shapes such as ligulate spray-hole, circular arc spray-hole, rectangular jet hole or triangle.
The outer most edge of described tower tray 1 arranges a circle clamp 16, and described tower tray 1 is fixed on the bracing ring 17 welding mutually with tower wall 2 by clamp 16.
The inclination angle of described injection inclined hole 12 is 2～85 degree.
When the diameter of tower body is less than 1m, between adjacent tower tray 1, by circle ring rack, support 3, and the gap between tower tray 1 and tower body secures with packing seal circle 18.
The gas being risen by tower tray 1 below is from spraying inclined hole 12 ejections, the thrust of supposing gas is F, at the component F * cos of thrust gas α (α generally gets 15～35 °, and the less component of angle is larger in theory), along under the tangential promotion of circumference, liquid produces rotational flow; Suitable on tower tray 1, counterclockwise alternative arrangement is offered concentric circles and is sprayed inclined hole circle, liquid obtains " shear flow " under the effect of air-flow, on rotational shear stream tower tray, liquid is to flow along the different concentric circles of diameter one by one, under effect at the liquid near the liquid receiving area concentric circular tracks in the center of circle at centrifugal force, be diffused into again adjacent outer concentric circular tracks, until flow in outermost downspout 11, enter and be subject to liquid bath 14, then overflow and enter lower one deck tower tray 1 by cell wall.
The difference part of embodiment 2 the present embodiment and embodiment 1 is: described injection inclined hole can adopt ligulate spray-hole, remaining embodiment and structure are all identical, the existing jet tray of take carrys out macro-level quantitative analysis as example (supposing all to take the tower tray that tower body diameter is 1 meter): deduction He Jiang liquid zone, liquid receiving area, the longest path that its liquid flows through at tower tray from Dao Jiang liquid zone, liquid receiving area is about 0.75 meter, and the path of its liquid of rotational shear stream tower tray from liquid receiving area to downspout is that liquid receiving area (tower tray central area) is to the summation in the concentric circumference path of flowing through between downspout, ?
be approximately 10～15 meters, the gas-liquid mass transfer time can be improved tens times, and wherein circular path is counted n and determined by quantity and the arrangement mode of offering spray-hole.
Content described in this description embodiment is only enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as only limiting to the concrete form that embodiment states, protection scope of the present invention is also and in those skilled in the art, according to the present invention, conceive the equivalent technologies means that can expect.
Claims (10)
1. tower tray is flowed in rotational shear, comprise tower tray, it is characterized in that: some downspouts, some injection inclined holes are set on described tower tray, outer ring, the other end that one end of described downspout is fixed on described tower tray extend to tower tray center until be communicated with in the center collector tube below tower tray, described center collector tube liquid outlet passes into the liquid bath that is subject to that is positioned at collector tube below, center, described downspout forms a circle downspout circle along being circumferentially arranged of described tower tray, and one end that described downspout is fixed on described tower tray exceeds described tower tray upper surface; The described liquid bath that is subject to is connected with center collector tube by reinforcement plate, and utilizes center collector tube outlet and be subject to the liquid level difference between liquid bath overfall to form fluid-tight, and on the described cell wall that is subject to liquid bath, overfall is set; Described injection inclined hole be take the center of described tower tray and is the concentric injection inclined hole circle of some circles that center of circle circumferential array forms, and be positioned at that the jet of described injection inclined hole circle of circle of described downspout circle is suitable, the jet of the described injection inclined hole circle outside the circle that is spaced counterclockwise, is positioned at described downspout circle is towards the center of described tower tray.
2. rotational shear stream tower tray as claimed in claim 1, is characterized in that: the circle of described downspout circle arranges the injection inclined hole circle described in a circle outward.
3. rotational shear stream tower tray as claimed in claim 2, is characterized in that: the injection inclined hole on the injection inclined hole circle described in every circle is evenly distributed.
4. rotational shear stream tower tray as claimed in claim 3, is characterized in that: the downspout in described downspout circle is evenly distributed.
5. rotational shear as claimed in claim 1 stream tower tray, is characterized in that: described center collector tube and described be subject to liquid bath be all positioned at described tower tray center under.
6. rotational shear stream tower tray as claimed in claim 4, is characterized in that: described injection inclined hole is made different shapes according to the demand of tower tray.
7. rotational shear stream tower tray as claimed in claim 6, is characterized in that: described injection inclined hole can adopt the spray-hole of ligulate spray-hole, circular arc spray-hole, rectangular jet hole or triangle.
8. rotational shear stream tower tray as claimed in claim 5, is characterized in that: the outer most edge of described tower tray arranges a circle clamp, and described tower tray is fixed on the bracing ring welding mutually with tower wall by clamp.
9. rotational shear stream tower tray as claimed in claim 7, is characterized in that: the inclination angle of described injection inclined hole is 2 ~ 85 degree.
10. rotational shear stream tower tray as claimed in claim 8, is characterized in that: when the diameter of tower body is less than 1m, between adjacent tower tray, by circle ring rack, support, and the gap between tower tray and tower body secures with packing seal circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310043241.XA CN103143186B (en) | 2013-02-04 | 2013-02-04 | Rotary shear flow tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310043241.XA CN103143186B (en) | 2013-02-04 | 2013-02-04 | Rotary shear flow tray |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103143186A CN103143186A (en) | 2013-06-12 |
| CN103143186B true CN103143186B (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310043241.XA Expired - Fee Related CN103143186B (en) | 2013-02-04 | 2013-02-04 | Rotary shear flow tray |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406077B (en) * | 2013-08-08 | 2015-06-24 | 中国天辰工程有限公司 | Rotational flow plate glycerinum chlorination bubbling reaction tower and device for producing epichlorohydrin |
| CN108176198B (en) * | 2018-02-14 | 2020-12-01 | 湖南湘达环保工程有限公司 | Waste gas-absorption liquid premixed multi-tangential jet absorption device and method |
| CN110871021B (en) * | 2018-08-30 | 2022-03-08 | 中国石油化工股份有限公司 | Gas-liquid mass transfer device |
| CN112142970B (en) * | 2020-09-29 | 2022-08-16 | 中轻化工绍兴有限公司 | Continuous production method of isomeric tridecanol polyoxyethylene ether sulfate |
| CN114247171A (en) * | 2022-01-04 | 2022-03-29 | 朱丹 | Supergravity solvent purification equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1116648A (en) * | 1964-09-18 | 1968-06-12 | Chemokomplex Vegyipari Gep Es | Bubble-cap plate towers |
| US4238426A (en) * | 1979-07-09 | 1980-12-09 | Slobodyanik Ivan P | Centrifugal-whirling contact tray |
| CN86103561A (en) * | 1986-05-17 | 1987-12-02 | 南京野生植物试验厂 | Fractioning column with double-valves |
| CN2165921Y (en) * | 1993-02-26 | 1994-05-25 | 无锡县东新石油化工设备厂 | Composite float valve |
| CN2284092Y (en) * | 1997-01-03 | 1998-06-17 | 成建 | Dual-floating strip valve tower plate |
| CN2587487Y (en) * | 2002-12-30 | 2003-11-26 | 北京泽华化学工程有限公司 | Three-guiding valve tower tray |
| CN202342930U (en) * | 2011-11-28 | 2012-07-25 | 浙江工业大学 | Rotary float valve tower |
| CN203090513U (en) * | 2013-02-04 | 2013-07-31 | 沈宏 | Rotary shear flow tower tray |
-
2013
- 2013-02-04 CN CN201310043241.XA patent/CN103143186B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1116648A (en) * | 1964-09-18 | 1968-06-12 | Chemokomplex Vegyipari Gep Es | Bubble-cap plate towers |
| US4238426A (en) * | 1979-07-09 | 1980-12-09 | Slobodyanik Ivan P | Centrifugal-whirling contact tray |
| CN86103561A (en) * | 1986-05-17 | 1987-12-02 | 南京野生植物试验厂 | Fractioning column with double-valves |
| CN2165921Y (en) * | 1993-02-26 | 1994-05-25 | 无锡县东新石油化工设备厂 | Composite float valve |
| CN2284092Y (en) * | 1997-01-03 | 1998-06-17 | 成建 | Dual-floating strip valve tower plate |
| CN2587487Y (en) * | 2002-12-30 | 2003-11-26 | 北京泽华化学工程有限公司 | Three-guiding valve tower tray |
| CN202342930U (en) * | 2011-11-28 | 2012-07-25 | 浙江工业大学 | Rotary float valve tower |
| CN203090513U (en) * | 2013-02-04 | 2013-07-31 | 沈宏 | Rotary shear flow tower tray |
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| CN103143186A (en) | 2013-06-12 |
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Granted publication date: 20141203 Termination date: 20190204 |