CN109316771A - A kind of novel compositions frozen valve tray - Google Patents
A kind of novel compositions frozen valve tray Download PDFInfo
- Publication number
- CN109316771A CN109316771A CN201811536705.XA CN201811536705A CN109316771A CN 109316771 A CN109316771 A CN 109316771A CN 201811536705 A CN201811536705 A CN 201811536705A CN 109316771 A CN109316771 A CN 109316771A
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- valve
- plate
- novel compositions
- bubbled
- leg
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a kind of novel compositions frozen valve tray, including several pieces of column plate ontologies, using chord downcomer or square downcomer as fluid flow paths between adjacent two pieces of column plate ontologies；Descending liquid area is set on the column plate ontology, is bubbled plate and liquid receiving area, it is staggered on bubbling plate to be provided with several common fixed valves and rotation fixed valve, the rotation fixed valve includes being set to the first valve opening being bubbled on plate, being set to the first valve leg being bubbled on plate and the first valve deck with pilot fluid turning effort being fixedly installed at the top of the first valve leg, the first valve leg is set to the outside at the first valve opening edge, gas passes through the first valve opening and under the guiding role of the first valve deck, make to form rotational flow field using the center of the first valve opening as the tangential flow in the center of circle.The present invention is ingenious to be utilized the characteristic for rotating the rotational flow field that fixed valve action generates, and overcomes the problems such as easily blocking existing for the common frozen valve tray of the prior art, is easy to wear, is easily stuck, easy to fall off.
Description
Technical field
The present invention relates to a kind of novel compositions frozen valve tray.
Background technique
Tower is widely used in oil refining, petrochemical industry, fine chemistry industry, chemical fertilizer, agriculture as important gas-liquid mass transfer (contact) equipment
The object system of the industries such as medicine, medicine, environmental protection separates, and is related to the chemical engineering unit operations such as distillation, absorption, desorption, the superiority and inferiority pair of performance
Production capacity, product quality, the norm quota of consumption and the three wastes environmental protection etc. of entire process units have significant impact.
Tower is broadly divided into packed tower and plate column two major classes according to different gas-liquid contact and flow feature.Plate column tool
Have the advantages that structure is simple, operation is reliable, treating capacity is big, operating flexibility is high.Packed tower is made from the whole process for being designed into production
Valence is very high, and the performance of filler is easy to be influenced by initial distribution, and enlarge-effect is more significant.Therefore, R&D Professional
More attentions the excellent plate column of design properties is turned into, to adapt to continually changing industrial requirement.
Relative position is fixed between frozen valve tray valve body and column plate ontology, cannot be floated up and down, can not horizontal direction
Rotation；Valve body is generally directly stamping by column plate ontology, can be fabricated to different shape according to actual needs.Frozen valve tray
Valve body to gas phase have barrier effect, change air-flow spray into liquid layer direction, reduce entrainment to a certain extent；
Meanwhile valve body also has supporting role to the liquid above it.
Valve plate has many advantages, such as that operating flexibility is big, entrainment is small, leakage is few, processing capacity is big, mass-transfer efficiency is high,
It is widely used in industrial application.The valve deck circumferential distribution distance piece of float valve, it is ensured that there are certain between valve body and column plate main body
Gap, when gas phase load becomes smaller, due to the presence in gap, valve deck rise when will not generate pulsation phenomenon.But valve plate
That there is also processing is complicated, manufacturing cost is higher, in application process easily blocking, it is easy to wear, easily stuck and easy to fall off the disadvantages of, hinder
It is further applied.
Summary of the invention
The present invention solves the technical problem of: in order to overcome frozen valve tray entrainment is big, leaking liquid amount is big to lack
It falls into, avoids the gas of adjacent valve body outflow from directly liquidating, solve the disadvantage that gas-liquid contact is poor above valve deck, reduce tower wall edge
Mass transfer dead zone.The purpose of the present invention is to provide a kind of novel compositions frozen valve tray, it is mounted with to rotate with pilot fluid and makees
Valve deck, the ingenious characteristic that valve plate rotational flow field is utilized simultaneously overcome its easily blocking, easy to wear, easily stuck, easily de-
The defects of falling provides a kind of novel compositions frozen valve tray for rotating fixed valve and combining arrangement with common fixed valve.
A kind of novel compositions frozen valve tray, it is characterised in that including several pieces of column plate ontologies, adjacent two pieces of column plate ontologies
Between using chord downcomer or square downcomer as fluid flow paths；Descending liquid area is set on the column plate ontology, is bubbled
Plate and liquid receiving area, be bubbled plate on it is staggered be provided with several common fixed valves and rotation fixed valve, the rotation fixed valve packet
It includes and is set to the first valve opening being bubbled on plate, be set to the first valve leg being bubbled on plate and be fixedly installed at the top of the first valve leg
The first valve deck with pilot fluid turning effort, the first valve leg is set to the outside at the first valve opening edge, and gas is worn
It crosses the first valve opening and under the guiding role of the first valve deck, makees to form rotation using the center of the first valve opening as the tangential flow in the center of circle
Turn of tidal stream field.
A kind of novel compositions frozen valve tray, it is characterised in that first valve deck includes parallel with plate is bubbled
First valve face, the outer periphery of the first valve face are provided with reclinate flanging, and the lower edge uniform intervals fixation of the flanging is set
Several pieces of fins are equipped with, under the collective effect of flanging and fin, the gas of the first valve opening of outflow rotates obliquely is blown into bubbling
In liquid layer on plate；The shape of first valve face is round, ellipse or regular polygon.
A kind of novel compositions frozen valve tray, it is characterised in that the shape of the first valve face is circle, the flanging
Lower edge it is rounded, the fin is tangentially disposed at the rounded lower edge of the flanging.
A kind of novel compositions frozen valve tray, it is characterised in that the shape of fin is trapezoidal, oval or tooth side
Rectangle；3 ~ 7 pieces of fins are fixedly installed in the lower edge uniform intervals of the flanging.
A kind of novel compositions frozen valve tray, it is characterised in that the reclinate angle of flanging is 15 °~60 °,
The height of first valve leg is 10~40mm, and the fin is in the rectangular configuration of long 20~40mm, wide 10~20mm.
A kind of novel compositions frozen valve tray, it is characterised in that the common fixed valve and rotation fixed valve difference
Be arranged in rows in and be bubbled on plate, a row is set between adjacent two rows of common fixed valves and rotates fixed valve, every common fixed valve of row with
An adjacent row rotates the interlaced setting of fixed valve.
A kind of novel compositions frozen valve tray, it is characterised in that the diameter of column plate ontology be 300~20000 mm,
Percent opening is 5%~30%；The spacing of adjacent two pieces of column plate ontologies is 200~1500mm.
A kind of novel compositions frozen valve tray, it is characterised in that the common fixed valve includes being set to bubbling plate
On the second valve opening, be set to the second valve leg being bubbled on plate and the second valve deck for being fixedly installed at the top of the second valve leg.
The beneficial effects of the present invention are: reclinate flanging changes the channel of gas, the gas of level blowout is closed
Reason ground imports liquid layer from axial, enhances gas-liquid contact, reduces the effect of gas phase toward upper layer column plate entrained drip.Valve body periphery
Equally distributed fin, the air-flow for avoiding proximate valve body blowout directly liquidate, and reduce the energy consumption inside tower body；Fin pair
Liquid has barrier action, reduces valve opening leakage, has radial guiding role to gas, and rotation is formed between adjacent fixed valve
Turn of tidal stream field exacerbates gas-liquid turbulent extent, increases residence time of the gas in liquid layer, improves column plate mass-transfer efficiency.It will
Common fixed valve is combined with rotation fixed valve and is arranged on column plate, is effectively reduced entrainment and column plate leakage, is improved tower
Plate operating flexibility and the scope of application.
Under the collective effect of flanging and fin, the gas of outflow fixed valve side opening rotates obliquely is blown into column plate liquid layer,
It avoids the gas flowed out in adjacent valve opening directly to liquidate, reduces entrainment and leakage.Gas is made by the guiding of fin
With into liquid layer, formation rotational flow field increases the residence time of gas liquid interfacial area and gas on column plate, enhances gas
Liquid contact mass transfer improves the mass-transfer efficiency, processing capacity and operating flexibility of column plate.
In rotation fixed valve preparation process of the invention, can directly install additional on the basis of common fixed valve has guiding stream
The valve deck of body turning effort constitutes rotation fixed valve, and valve deck periphery has a reclinate flanging, and hemmed edges are uniformly distributed 3~
7 fins, thus the preparation method of rotation fixed valve of the invention is simple.
The present invention is staggeredly combined and is arranged on column plate with rotation fixed valve by common fixed valve, is avoided adjacent common
The gas of fixed valve outflow directly liquidates, and the gas of rotation fixed valve outflow forms rotational flow field, the rotation around it
The gas that flow field tangential impact is flowed out from common fixed valve, reduce tower body inside energy consumption, through the invention it is common consolidate
The staggered setting of combination for determining valve and rotation fixed valve does not influence the treating capacity of tower on the basis of reducing entrainment.
Detailed description of the invention
Fig. 1 is the connection schematic perspective view of rotation fixed valve and bubbling plate of the invention；
Fig. 2 is the schematic perspective view that common fixed valve is connect with bubbling plate；
Fig. 3 is the schematic perspective view of the first valve deck of the invention；
Fig. 4 is the schematic perspective view of common frozen valve tray；
Fig. 5 is the schematic perspective view of novel compositions frozen valve tray of the present invention；
Fig. 6 is the entrainment rate comparison diagram of novel frozen valve tray Yu common frozen valve tray；
Fig. 7 is the leakage rate comparison diagram of novel frozen valve tray Yu common frozen valve tray；
Fig. 8 is the clear liquid layer height comparison diagram of novel frozen valve tray Yu common frozen valve tray；
In figure: the first valve face of 1-, 2- the first valve leg, the first valve opening of 3-, 4- fin, the second valve deck of 5-, 6- the second valve leg, 7- folding
Side, 8- descending liquid area, 9- are bubbled plate, the liquid receiving area 10-, and 11- rotates fixed valve, the common fixed valve of 12-, the second valve opening of 13-.
Specific embodiment
The present invention is further explained in the light of specific embodiments, but the scope of protection of the present invention is not limited thereto.
As shown in Figure 1, being a kind of rotation fixed valve, primary valve part is common fixed valve, and secondary valve portion is a valve deck.
The setting of valve deck periphery is bent downwardly 30 ° of flanging, and hemmed edges are uniformly distributed 3 fins.
As shown in Fig. 2, be common fixed valve, valve deck diameter 40mm, the high 10mm of valve leg, the long 20mm of valve leg, the wide 5mm of valve leg,
It is from column plate directly it is stamping, valve body be circle.
As shown in figure 3, being the valve deck for rotating fixed valve.Valve deck diameter 40mm in figure, valve deck periphery are bent downwardly 30 °
Flanging, the wide 5mm of flanging.It uniformly arranges on flanging 3 fins, the long 20mm of fin, the wide 5mm of fin.In the present embodiment, valve face is circle
Shape, hemmed edges are circular curve, and the shape of fin is rectangle.
As shown in figure 4, being common frozen valve tray, 25 valve openings, open ratio of plate 10% are provided on tower tray.Adjacent consolidates
Determine to arrange between valve in equilateral triangle, valve opening diameter 40mm, distance of center circle 85mm；Column plate uses chord downcomer.
As shown in figure 5, being novel compositions frozen valve tray, 25 valve openings, open ratio of plate 10% are provided on tower tray.It is adjacent
Fixed valve between in equilateral triangle arrange, valve opening diameter 40mm, distance of center circle 85mm.Have on column plate 9 rotation fixed valves and
16 common fixed valves (9 rotation fixed valves and 16 common fixed valves are in a row staggered on column plate, comparative diagram 5)；Tower
Plate uses chord downcomer.
Embodiment one
It is 600 millimeters, in 600 millimeters of diameter of organic glass tower in plate spacing, three pieces of common frozen valve tray, middle layer is installed
Column plate is test column plate, and descending trays are gas distribution grid, and upper layer column plate is liquid distributing board.Use chord downcomer for liquid
Circulation passage installs mist collector above the column plate of upper layer.It is operation object system with air and water, measures different gas-liquid loads
Under, the entrainment of common frozen valve tray and novel compositions frozen valve tray.(the common frozen valve tray that the present embodiment uses
The structure of above-mentioned Fig. 4 is compareed, the novel compositions frozen valve tray that the present embodiment uses compares the structure of above-mentioned Fig. 5).
Test result is shown in Fig. 6.As can be seen that under same sprinkle density, as valve opening kinetic energy factor F0It is 18.5~23.5
(m s-1)/(kg m-3)0.5When, the entrainment rate of novel compositions frozen valve tray reduces by 5% than common frozen valve tray~
15%。
Embodiment two
It is 600 millimeters, in 600 millimeters of diameter of organic glass tower in plate spacing, three pieces of common frozen valve tray, middle layer is installed
Column plate is test column plate, and descending trays are gas distribution grid, and upper layer column plate is liquid distributing board.Use chord downcomer for liquid
Save-all for spillage is installed below in descending trays in circulation passage.It is operation object system with air and water, measures different gas-liquid loads
Under, the leakage rate of common frozen valve tray and novel compositions frozen valve tray.(the common frozen valve tray pair that the present embodiment uses
According to the structure of above-mentioned Fig. 4, the novel compositions frozen valve tray that the present embodiment uses compares the structure of above-mentioned Fig. 5).
Test result is shown in Fig. 7.As can be seen that under same sprinkle density, when valve opening kinetic energy factor is 6.3~7.8 (m
s-1)/(kg m-3)0.5When, the leakage rate of novel compositions frozen valve tray reduces about 10% than common frozen valve tray.
Embodiment three
It is 600 millimeters, in 600 millimeters of diameter of organic glass tower in plate spacing, three pieces of common frozen valve tray, middle layer is installed
Column plate is test column plate, and descending trays are gas distribution grid, and upper layer column plate is liquid distributing board.Use chord downcomer for liquid
Circulation passage, opens the circular hole of three diameter 10mm in middle level on column plate, the copper pipe of three root long 3cm of insertion, diameter 10mm, on copper pipe
Side opening is flushed with tray thereabove, and copper pipe lower opening is connected by hose with liquidometer.It is operation object system with air and water,
It measures under different gas-liquid loads, the clear liquid layer height of common frozen valve tray and novel compositions frozen valve tray.(the present embodiment is adopted
Common frozen valve tray compares the structure of above-mentioned Fig. 4, and the novel compositions frozen valve tray control that the present embodiment uses is above-mentioned
The structure of Fig. 5).
Test result is shown in Fig. 8.As can be seen that under same sprinkle density, when valve opening kinetic energy factor is 4.5~24.0 (m
s-1)/(kg m-3)0.5When, the clear liquid layer height of novel compositions frozen valve tray is about higher by 30% than common frozen valve tray.
By the result for comparing above-described embodiment, it can be seen that under the conditions of same operation, novel compositions frozen valve tray
Entrainment, leakage rate are significantly lower than common frozen valve tray, and clear liquid layer height is greater than common frozen valve tray.Illustrate and common
Fixed valve is compared, and novel compositions frozen valve tray can be significantly reduced column plate entrainment, effectively reduces valve opening leakage, column plate
Gas-liquid contact is violent in liquid layer, increases residence time of the gas on column plate, enhances gas-liquid contact mass transfer, improve column plate
Mass-transfer efficiency, processing capacity and operating flexibility.
Content described in this specification is only to enumerate to inventive concept way of realization, and protection scope of the present invention is not answered
When the concrete form for being seen as limited by embodiment and being stated.
Claims (8)
1. a kind of novel compositions frozen valve tray, it is characterised in that including several pieces of column plate ontologies, adjacent two pieces of column plate ontologies it
Between using chord downcomer or square downcomer as fluid flow paths；Descending liquid area (8) are set on the column plate ontology, are bubbled
Plate (9) and liquid receiving area (10), be bubbled plate (9) on it is staggered be provided with several common fixed valves (12) and rotate fixed valve
(11), rotation fixed valve (11) includes being set to the first valve opening (3) being bubbled on plate (9), being set on bubbling plate (9)
First valve leg (2) and the first valve deck with pilot fluid turning effort being fixedly installed at the top of the first valve leg (2), it is described
First valve leg (2) is set to the outside at the first valve opening (3) edge, and gas passes through the first valve opening (3) and in the guiding of the first valve deck
Under effect, make to form rotational flow field using the center of the first valve opening (3) as the tangential flow in the center of circle.
2. a kind of novel compositions frozen valve tray according to claim 1, it is characterised in that first valve deck include with
It is bubbled plate (9) parallel first valve face (1), the outer periphery of the first valve face (1) is provided with reclinate flanging (7), the folding
The lower edge uniform intervals on side (7) are fixedly installed several pieces of fins (4), under the collective effect of flanging and fin, outflow the
The gas of one valve opening (3) is rotated obliquely in the liquid layer for being blown into and being bubbled on plate (9)；The shape of first valve face (1) be it is round,
Ellipse or regular polygon.
3. a kind of novel compositions frozen valve tray according to claim 2, it is characterised in that the shape of the first valve face (1) is
The lower edge of circle, the flanging (7) is rounded, and the fin (4) is tangentially disposed in the rounded following of the flanging (7)
At edge.
4. a kind of novel compositions frozen valve tray according to claim 2, it is characterised in that the shape of fin (4) is ladder
Shape, ellipse or tooth side rectangle；3 ~ 7 pieces of fins (4) are fixedly installed in the lower edge uniform intervals of the flanging (7).
5. a kind of novel compositions frozen valve tray according to claim 2, it is characterised in that flanging (7) reclinate angle
Degree is 15 °~60 °, and the height of the first valve leg (2) is 10~40mm, and the fin (4) is in long 20~40mm, wide 10~20mm
Rectangular configuration.
6. a kind of novel compositions frozen valve tray according to claim 1, it is characterised in that the common fixed valve (12)
It is arranged in rows in and is bubbled on plate (9) respectively with rotation fixed valve (11), a row is set between adjacent two rows of common fixed valves (12)
It rotates fixed valve (11), every common fixed valve of row (12) and an adjacent row rotate fixed valve (11) interlaced setting.
7. a kind of novel compositions frozen valve tray according to claim 1, it is characterised in that the diameter of column plate ontology is
300~20000 mm, percent opening are 5%~30%；The spacing of adjacent two pieces of column plate ontologies is 200~1500mm.
8. a kind of novel compositions frozen valve tray according to claim 1, it is characterised in that the common fixed valve (12)
It is set including being set to the second valve opening (13) being bubbled on plate (9), the second valve leg (6) being set on bubbling plate (9) and fixation
The second valve deck (5) being placed at the top of the second valve leg (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811536705.XA CN109316771A (en) | 2018-12-15 | 2018-12-15 | A kind of novel compositions frozen valve tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811536705.XA CN109316771A (en) | 2018-12-15 | 2018-12-15 | A kind of novel compositions frozen valve tray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109316771A true CN109316771A (en) | 2019-02-12 |
Family
ID=65257465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811536705.XA Pending CN109316771A (en) | 2018-12-15 | 2018-12-15 | A kind of novel compositions frozen valve tray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109316771A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237518A (en) * | 2020-01-11 | 2020-06-05 | 无锡市华诚石化设备有限责任公司 | Special-shaped solid valve capable of improving mass transfer efficiency and stamping die thereof |
| CN111250030A (en) * | 2020-03-19 | 2020-06-09 | 浙江工业大学 | High-flux high-defoaming-efficiency composite tower plate |
| CN112973615A (en) * | 2021-03-12 | 2021-06-18 | 浙江工业大学 | Mixing valve tower plate arranged in high density |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237518A (en) * | 2020-01-11 | 2020-06-05 | 无锡市华诚石化设备有限责任公司 | Special-shaped solid valve capable of improving mass transfer efficiency and stamping die thereof |
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| CN112973615A (en) * | 2021-03-12 | 2021-06-18 | 浙江工业大学 | Mixing valve tower plate arranged in high density |
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Application publication date: 20190212 |