CN104587693A - KDF floating valve tray - Google Patents

KDF floating valve tray Download PDF

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Publication number
CN104587693A
CN104587693A CN201510058855.4A CN201510058855A CN104587693A CN 104587693 A CN104587693 A CN 104587693A CN 201510058855 A CN201510058855 A CN 201510058855A CN 104587693 A CN104587693 A CN 104587693A
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CN
China
Prior art keywords
valve
kdf
float valve
floating
column plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510058855.4A
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Chinese (zh)
Inventor
付中赫
叶丽萍
刘伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KEDI PETRO-CHEMICAL ENGINEERING Co Ltd SUZHOU
Original Assignee
KEDI PETRO-CHEMICAL ENGINEERING Co Ltd SUZHOU
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KEDI PETRO-CHEMICAL ENGINEERING Co Ltd SUZHOU filed Critical KEDI PETRO-CHEMICAL ENGINEERING Co Ltd SUZHOU
Priority to CN201510058855.4A priority Critical patent/CN104587693A/en
Publication of CN104587693A publication Critical patent/CN104587693A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a KDF floating valve tray. The KDF floating valve tray comprises a tower plate and floating valves, wherein the floating valve is arranged on the tower plate; mounting holes are formed in the tower plate, and particularly, the floating valve is provided with a circular valve cover and a plurality of spaced valve legs which extend from the periphery of the valve cover to the downside; two or more tongue holes which are arched upwards are arranged on the surface of the valve cover and a sawtoothed edge which turns downwards is arranged at the periphery, outside the valve legs, of the valve cover; the sawtoothed edge abuts against the upper surface of the tower plate in an assembly state of the floating valves; convex teeth are locally arranged on the mounting holes; folding pins clamped into the mounting holes are arranged on the valve legs; and the valve cover ascends or descends on the tower plate in a vertical direction and is limited in a horizontal direction and rotation direction. By using the KDF floating valve tray, the dispersion of air current can be relatively fine and uniform, and the full contact between gas and liquid is achieved, so that the efficiency and the production capability of a tower body are improved; a mass transfer surface can be continuously updated so that the mass transfer efficiency is improved; and meanwhile, the floating valves can be prevented from being dropped due to abnormal rotation.

Description

A kind of KDF float valve tray
Technical field
The present invention is a kind of kDFfloat valve tray, belongs to the separation mass transfer technical field in oil refining, chemical industry, medicine and environmental protection equipment, the structural design of the valve plate particularly in the field such as oil refining, chemical industry, medicine and environmental protection in widely used rectifying column, absorption tower.
Background technology
Tower equipment occupies critical role, the various aspects such as the quality of its performance, the height of technical merit directly affect Yield and quality, the rate of recovery of product, economic benefit in the industry such as oil refining, chemical industry, medicine and environmental protection.Therefore study and use novel tower equipment to have great importance for strengthening gas, liquid two-phase mass transport process and industrial production.
Early fifties develops F1 Round float valve column plate, and its bulking property all has very large advantage within a very long time.Having there is structured packing particularly ripple packing in the sixties, makes the application of packed tower more extensive.Its remarkable advantage is that separating power is higher, flux is comparatively large, pressure drop is less, for the old tower technology transformation improving treating capacity and separation purity, replaces column plate to have very large attraction with new packing.But adopt the once investment of new packing comparatively large (especially the tower of major diameter, many side lines), having the production occasion of burn into coking, dirt, application is restricted.So people start again the breakthrough seeking plate column with new interest, to adapt to the large flux of increasing major diameter rectifying column, high efficiency requirement.
At present, the New Type of Tray developed has reached tens kinds, is summed up, and column plate can be divided into two classes: namely fix column plate and floating plate.Fixing column plate comprises solid valve column plate, sieve tray, solid tongue column plate; Floating plate comprises valve plate, bubble cap plate etc.Though existing fixing column plate has the simple advantage of structure, operating flexibility is little aborning, and leak large, mass-transfer efficiency is low; Bubble cap plate is only applicable to the very little situation of liquid phase, and operating flexibility is little; Although valve plate has had larger improvement in operating flexibility, in long period of operation, valve body has easily rotated and has come off; Gradient of liquid level on column plate is large, makes gas skewness on liquid flow direction, easily produces liquid excessive leakage at column plate arrival end, easily produce liquid excessive entrainment at the port of export, and column plate arch area is violated mixed serious, has had a strong impact on the efficiency of column plate.
Summary of the invention
The present invention seeks to the KDF float valve tray proposing a kind of suitable remodeling, overcome the shortcoming of traditional F 1 Round float valve column plate with a kind of float valve tray of new and effective, high operating flexibility.
The technical solution that above-mentioned purpose of the present invention is achieved is: a kind of KDF float valve tray, comprise column plate and be arranged at the float valve on column plate, column plate is provided with installing hole, it is characterized in that: described float valve has circular valve gap and valve gap periphery several valve legs of being separated by downward-extension, valve cover surfaces is provided with tongue apertures that two or more upwards arches upward and the periphery of valve gap outside valve leg is provided with the toothed edge of turnover downwards, and under float valve confined state, toothed edge abuts the upper surface of column plate; Described installing hole local is provided with double wedge, and valve leg is provided with the folding pin be connected in installing hole, described valve gap on column plate Vertical dimension lifting and level to rotation to limited.
Further, described toothed edge is downwards in the flanging of 5 ° ~ 15 °.
Further, described valve cover surfaces is provided with five tongue apertures upwards arched upward, and the opening direction of all tongue apertures is identical.
Further, the opening direction of described tongue apertures towards adjacent two valve legs every vacancy.
Further, the corresponding float valve of folding pin of two described valve legs rotates to relative bending, and the corresponding float valve of folding pin of residue valve leg radially bends.
Further, described valve gap, valve leg, tongue apertures, toothed edge and folding pin are formed in one.
Apply efficient tongue type float valve tray of the present invention, the advantage compared with prior art had and effect are: this KDF float valve tray can make air dispersion more evenly fine and closely woven, and gas-liquid contact is more abundant, thus improve efficiency and the production capacity of tower body; Promote that mass transfer surfaces is constantly updated, improve mass-transfer efficiency; Prevent from the exception of float valve from rotating to come off simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of float valve tray of the present invention.
Fig. 2 is the structural representation of float valve tray of the present invention float valve used.
Detailed description of the invention
For the structure and innovation essence that make tongue type float valve tray of the present invention are known understanding, just the embodiment of tongue type float valve tray of the present invention is described in detail by reference to the accompanying drawings below.
Designer of the present invention comprehensively fixes the advantage of column plate and valve plate, overcomes the shortcoming of F1 valve plate, is a kind of valve plate of new and effective, high operating flexibility.This KDF float valve tray as depicted in figs. 1 and 2, the float valve 2 mainly comprising column plate 1 and be arranged on column plate, column plate is provided with installing hole, and several float valves require arrangement and inlay respectively to be arranged in each installing hole according to certain percent opening, formation highly effective KDF float valve tray.As distinguishing feature, its circular valve gap has miniature solid tongue pilot hole (i.e. tongue apertures), valve limit adopts zigzag structure.
Wherein the concrete structure of float valve as shown in Figure 2, this float valve 2 has circular valve gap 21 and valve gap periphery several valve legs 22 of being separated by downward-extension, valve cover surfaces is provided with tongue apertures 23 that two or more upwards arches upward and the periphery of valve gap outside valve leg is provided with the toothed edge 24 of turnover downwards, and under float valve confined state, toothed edge abuts the upper surface of column plate; Described installing hole local is provided with double wedge, and valve leg is provided with the folding pin be connected in installing hole, valve gap on column plate Vertical dimension lifting and level to rotation to limited.
Architectural feature is more specifically: toothed edge is downwards in the flanging of 5 ° ~ 15 °.In illustrated embodiment, valve cover surfaces is provided with five tongue apertures upwards arched upward, and the opening direction of all tongue apertures is identical, all towards adjacent two valve legs every vacancy.In addition, the corresponding float valve of folding pin 221 of two valve legs rotates to relative bending, and the corresponding float valve of folding pin 222 of residue valve leg radially bends.Valve gap, valve leg, tongue apertures, toothed edge and folding pin are formed in one.
The efficient KDF float valve of the present invention, through test, gets vapour-liquid load, the various parameter of column plate pressure degradation, determines the feasibility of efficient KDF float valve research and development.Process of the test shows: when gas treatment amount is less, gas is not enough to promote whole float valve, float valve is in closed condition, air propels liquid sprays from miniature Gu She hole, reach by the effect of miniature solid tongue the object reducing gradient of liquid level and leakage, therefore greatly can improve the operation lower limit of device; When gas treatment amount increases gradually, gas promotes whole float valve simultaneously, regulates flux by Lift, thus greatly improves treating capacity while of reducing entrainment.Simultaneously float valve give up with miniature the mechanical strength that combined structure effectively can improve valve admittedly, prevents installation, overhauls and be out of shape in operating process.Originally novel in addition have pilot hole float valve, thus also reduces plate pressure drop.Simultaneously by suitably improving downspout, increasing bubble promoting device thus increasing bubbling area, improving the effective district of column plate mass transfer; Improve disposal ability.And column plate enters, exit weir technology by adopting.Column plate Inlet fluid can be slowed down as column plate entrance weir to impact; Improving column plate and enter oral fluid flow point cloth, improving plate efficiency, simultaneously to playing downcomer seal effect; Liquid holding zone flowing on column plate can be improved as tray outlet weir, improve plate efficiency; Improve downspout gas-liquid separation ability, improve the disposal ability of downspout, reduce requirement to the time of staying.
To sum up encapsulation technique effect more accurately, efficient KDF float valve adopts float valve and micro-ligulate type pilot hole to combine.Take full advantage of the mass transfer space above column plate and float valve, make gas dispersion more evenly fine and closely woven, gas-liquid contact is more abundant.Fraction sprays through solid tongue apertures and equidirectional the coiling of liquid stream simultaneously, and reduce the gas speed of valve periphery ejection, the air-flow also reduced between valve liquidates, thus reduces entrainment; Also contribute to the certain guide effect of liquid on tower tray by the air-flow of tongue apertures direction ejection.Improve plate efficiency and production capacity.This structure effectively can improve the mechanical strength of valve; Prevent from being out of shape in installation, maintenance process.
This efficient KDF float valve valve limit adopts zigzag structure.Stitch from valve the air-flow ejected to disperse through sawtooth, gas-liquid is made to have larger attaching space. sawtooth has to lower hem, reduces gas directly to blowing up, effectively reduces mist entrainment. and zigzag structure strengthens vehicle repair major level of disruption, promote that mass transfer surfaces is constantly updated, improve mass-transfer efficiency.
In addition to the implementation, the present invention can also have other embodiment, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the present invention's scope required for protection.

Claims (6)

1. a KDF float valve tray, comprise column plate and be arranged at the float valve on column plate, column plate is provided with installing hole, it is characterized in that: described float valve has circular valve gap and valve gap periphery several valve legs of being separated by downward-extension, valve cover surfaces is provided with tongue apertures that two or more upwards arches upward and the periphery of valve gap outside valve leg is provided with the toothed edge of turnover downwards, and under float valve confined state, toothed edge abuts the upper surface of column plate; Described installing hole local is provided with double wedge, and valve leg is provided with the folding pin be connected in installing hole, described valve gap on column plate Vertical dimension lifting and level to rotation to limited.
2. KDF float valve tray according to claim 1, is characterized in that: described toothed edge is downwards in the flanging of 5 ° ~ 15 °.
3. KDF float valve tray according to claim 1, is characterized in that: described valve cover surfaces is provided with five tongue apertures upwards arched upward, and the opening direction of all tongue apertures is identical.
4. KDF float valve tray according to claim 3, is characterized in that: the opening direction of described tongue apertures towards adjacent two valve legs every vacancy.
5. KDF float valve tray according to claim 1, is characterized in that: the corresponding float valve of folding pin of two described valve legs rotates to relative bending, and the corresponding float valve of folding pin of residue valve leg radially bends.
6. KDF float valve tray according to claim 1, is characterized in that: described valve gap, valve leg, tongue apertures, toothed edge and folding pin are formed in one.
CN201510058855.4A 2015-02-05 2015-02-05 KDF floating valve tray Pending CN104587693A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN201510058855.4A CN104587693A (en) 2015-02-05 2015-02-05 KDF floating valve tray

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CN104587693A true CN104587693A (en) 2015-05-06

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104941233A (en) * 2015-06-29 2015-09-30 苏州市科迪石化工程有限公司 Tongue-shaped distribution damping float valve tower disk
CN104941236A (en) * 2015-06-29 2015-09-30 苏州市科迪石化工程有限公司 Round flow dividing floating valve tower disc
CN104941235A (en) * 2015-06-29 2015-09-30 苏州市科迪石化工程有限公司 Round flow dividing damping floating valve tower disc
CN104941234A (en) * 2015-06-29 2015-09-30 苏州市科迪石化工程有限公司 Circular damping float valve tower disk
CN104958922A (en) * 2015-07-01 2015-10-07 苏州市科迪石化工程有限公司 Disk-shaped flow division floating valve tray
CN104958924A (en) * 2015-07-01 2015-10-07 苏州市科迪石化工程有限公司 Disc-shaped flow-distributing damping float valve tower disc
CN104958920A (en) * 2015-07-01 2015-10-07 苏州市科迪石化工程有限公司 Disc-shaped floating valve tray
CN104958923A (en) * 2015-07-01 2015-10-07 苏州市科迪石化工程有限公司 Disc-shaped float valve tower disc
CN104984720A (en) * 2015-06-29 2015-10-21 苏州市科迪石化工程有限公司 Circular float valve tray
CN109621476A (en) * 2018-11-26 2019-04-16 延安大学 Disperse descending liquid valve tower

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2778359Y (en) * 2005-02-21 2006-05-10 褚雅志 Multidirectional bubbling diversion float valve
CN201101901Y (en) * 2007-11-07 2008-08-20 秦松 Circular float valve with teeth
CN204411758U (en) * 2015-02-05 2015-06-24 苏州市科迪石化工程有限公司 A kind of KDF float valve tray

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2778359Y (en) * 2005-02-21 2006-05-10 褚雅志 Multidirectional bubbling diversion float valve
CN201101901Y (en) * 2007-11-07 2008-08-20 秦松 Circular float valve with teeth
CN204411758U (en) * 2015-02-05 2015-06-24 苏州市科迪石化工程有限公司 A kind of KDF float valve tray

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104941236B (en) * 2015-06-29 2017-01-11 苏州市科迪石化工程有限公司 Round flow dividing floating valve tower disc
CN104941235B (en) * 2015-06-29 2017-01-18 苏州市科迪石化工程有限公司 Round flow dividing damping floating valve tower disc
CN104941235A (en) * 2015-06-29 2015-09-30 苏州市科迪石化工程有限公司 Round flow dividing damping floating valve tower disc
CN104941234A (en) * 2015-06-29 2015-09-30 苏州市科迪石化工程有限公司 Circular damping float valve tower disk
CN104984720B (en) * 2015-06-29 2017-04-12 苏州润弘贸易有限公司 circular float valve tray
CN104941233A (en) * 2015-06-29 2015-09-30 苏州市科迪石化工程有限公司 Tongue-shaped distribution damping float valve tower disk
CN104941236A (en) * 2015-06-29 2015-09-30 苏州市科迪石化工程有限公司 Round flow dividing floating valve tower disc
CN104984720A (en) * 2015-06-29 2015-10-21 苏州市科迪石化工程有限公司 Circular float valve tray
CN104958920A (en) * 2015-07-01 2015-10-07 苏州市科迪石化工程有限公司 Disc-shaped floating valve tray
CN104958924A (en) * 2015-07-01 2015-10-07 苏州市科迪石化工程有限公司 Disc-shaped flow-distributing damping float valve tower disc
CN104958923A (en) * 2015-07-01 2015-10-07 苏州市科迪石化工程有限公司 Disc-shaped float valve tower disc
CN104958922A (en) * 2015-07-01 2015-10-07 苏州市科迪石化工程有限公司 Disk-shaped flow division floating valve tray
CN104958920B (en) * 2015-07-01 2017-04-12 苏州润弘贸易有限公司 Disc-shaped floating valve tray
CN104958924B (en) * 2015-07-01 2017-05-17 苏州市科迪石化工程有限公司 Disc-shaped flow-distributing damping float valve tower disc
CN109621476A (en) * 2018-11-26 2019-04-16 延安大学 Disperse descending liquid valve tower

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Application publication date: 20150506