CN202237328U - Guidance high-efficiency valve tray - Google Patents
Guidance high-efficiency valve tray Download PDFInfo
- Publication number
- CN202237328U CN202237328U CN2011203339777U CN201120333977U CN202237328U CN 202237328 U CN202237328 U CN 202237328U CN 2011203339777 U CN2011203339777 U CN 2011203339777U CN 201120333977 U CN201120333977 U CN 201120333977U CN 202237328 U CN202237328 U CN 202237328U
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- valve
- tray
- float valve
- column plate
- efficient
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Abstract
The utility model discloses a guidance high-efficiency valve tray. The valve tray comprises a tower plate and a float valve arranged on the tower plate, wherein the float valve comprises a valve cap and valve legs which extend downwards along two lateral edges of the valve cap; two upward arched guide holes are formed on the valve cap; airflow disperse devices are arranged on the other two sides of the valve cap; mount holes are formed on a tray; a block is arranged on each valve leg and in the mount hole; and the airflow disperse devices are supported against the upper surface of the tray. The utility model provides the novel high-efficiency guidance high-efficiency valve tray with high operable elasticity.
Description
Technical field
The utility model is the efficient float valve tray of a kind of guiding; Belong to the separation mass transfer technical field in oil refining, chemical industry, medicine and the environmental protection equipment, the structural design of the valve plate in the fields such as particularly oil refining, chemical industry, medicine and environmental protection in widely used rectifying column, the absorption tower.
Background technology
Tower equipment occupies critical role in industry such as oil refining, chemical industry, medicine and environmental protection, the quality of its performance, the height of technical merit directly influence output, quality, the rate of recovery of product, various aspects such as economic benefit.Therefore study that mass transport process and commercial production have great importance mutually for strengthening gas, liquid two with using novel tower equipment.
Early fifties has been developed F1 Round float valve column plate, and its bulking property all has very big advantage in a very long time.Particularly ripple packing of structured packing has appearred in the sixties, makes the application of packed tower more extensive.Its remarkable advantage is that separating power is higher, and flux is bigger, and pressure drop is less, for the old tower technology transformation that improves treating capacity and separation purity, replaces column plate to have very big attraction with new packing.But the once investment of employing new packing is big (the especially tower of major diameter, many side lines), and the production occasion of burn into coking, dirt is being arranged, and application is restricted.So people begin to seek with new interest the breakthrough of plate column again, with the big flux that adapts to increasing major diameter rectifying column, high efficiency requirement.
At present, the novel column plate of having developed has reached tens kinds, has concluded out, and column plate can be divided into two types: i.e. fixedly column plate and valve plate.Though the existing fixed column plate has advantage of simple structure, operating flexibility is little aborning, leaks greatly, and mass-transfer efficiency is low; Though valve plate has had bigger improvement on operating flexibility, in long period of operation, valve body is prone to rotation and comes off; Gradient of liquid level on the column plate is big, makes gas skewness on liquid flow direction, be prone to produce the liquid excessive leakage at the column plate arrival end, is prone to produce that liquid is excessive to be carried secretly at the port of export, and the column plate arch area is violated and mixed seriously, has had a strong impact on the efficient of column plate.
The utility model content
The utility model purpose is to utilize the advantage of conventional guide float valve tray and suitable remodeling, has overcome the shortcoming of F1 valve plate, is a kind of efficient float valve tray of a kind of guiding of new and effective, high operating flexibility.
For achieving the above object, the technical scheme that the utility model adopts is:
The efficient float valve tray of a kind of guiding; Include column plate and be arranged at the float valve on the column plate, said float valve include valve gap and along the valve gap both sides of the edge to the valve leg that extends below, valve gap is provided with two pilot holes that upwards arch upward; The dual-side in addition of valve gap is provided with airflow dispersion device; Tower tray is provided with installing hole, and the valve leg is provided with fixture block and fixture block is arranged in the installing hole, and airflow dispersion device props up the upper surface of tower tray.
As preferably, said valve gap is trapezoidal.
As preferably, said airflow dispersion device is a Saw blade.
As preferably, said pilot hole is ellipse, and openings at one side.
As preferably, said Saw blade becomes 5～15 degree angles to lower hem.
As preferably, said valve gap, two pilot hole, valve leg and toothed edge are formed in one.
Because the technique scheme utilization, the utility model compared with prior art has advantage and effect:
(1) the KDD float valve adopts two pilot hole structures.Made full use of the mass transfer space of column plate and float valve top, made gas dispersion finer and closely woven evenly, the gas-liquid contact is more abundant.The perforate direction of pilot hole is consistent with the flow direction, and the little of gas that blows out from pilot hole in operation promotes liquid flow, thereby reduces the gradient of liquid level on the column plate.Thereby the efficient and the production capacity of the column plate that improves.This structure can effectively improve the mechanical strength of valve; Prevent to be out of shape in installation, the maintenance process.
(2) zigzag structure is adopted on KDD float valve valve limit.The air-flow that ejects from the valve seam disperses through sawtooth, makes gas-liquid that bigger attaching space arranged.Sawtooth has to lower hem, reduces gas and directly upwards blows, and effectively reduces mist entrainment.Zigzag structure is strengthened vapour-liquid two phase level of disruption, promotes mass transfer surfaces to bring in constant renewal in, and improves mass-transfer efficiency.
For easy foaming system, adopt the Saw blade structure can reduce the foaming that causes because of interfacial tension, reduce foam layer height, thereby improve disposal ability.
(3) suitably improve downspout.Increase the bubbling area, improve the column plate mass transfer and effectively distinguish; Increased flow channel for liquids length simultaneously, reduced the impact of liquid column plate; The commute foaming system has certain froth breaking effect, has strengthened adaptive capacity, the interior liquid handling capacity of downspout is strengthened greatly, thereby improved disposal ability.
(4) adopt that column plate is gone into, the exit weir technology.Can slow down column plate inlet hydraulic shock as column plate inlet weir; Improve column plate inlet flow and distribute, improve plate efficiency, simultaneously to playing the downcomer seal effect; Can improve on the column plate liquid holding zone as the tray outlet weir flows; Improve downspout gas-liquid separation ability, improve the downspout disposal ability, reduce requirement the time of staying.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model;
Accompanying drawing 2 is the structural representation of the utility model float valve;
Accompanying drawing 3 is the A-A cutaway view in the accompanying drawing 2;
Accompanying drawing 4 is the B-B cutaway view in the accompanying drawing 2.
In the above accompanying drawing: 1, tower tray; 2, float valve; 3, valve gap, 4, valve leg; 5, pilot hole; 6, Saw blade.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Embodiment: shown in accompanying drawing 1-accompanying drawing 4, process of the test shows: in operation, from the little of gas promotion liquid flow of pilot hole ejection, thereby can obviously reduce even eliminate fully the gradient of liquid level on the column plate.Guide float-valve is trapezoidal; Gas blows out from the valve gap both sides; Constitute acute angle with the flow direction less than 90 °; Therefore the liquid on the column plate is had certain guiding impetus, this is to improving liquid-flow state, reduce backmixing of liquid phase, improve column plate flow uniformity good effect is all arranged, thereby improves the disposal ability and the efficient of column plate greatly.Zigzag structure is adopted on the valve limit, and the air-flow that ejects from the valve seam disperses through sawtooth, makes gas-liquid that bigger attaching space arranged.Sawtooth has to lower hem and becomes 5～15 degree angles, reduces gas and directly upwards blows, and effectively reduces mist entrainment.Zigzag structure is strengthened vapour-liquid two phase level of disruption, promotes mass transfer surfaces to bring in constant renewal in, and improves mass-transfer efficiency.Float valve is a strip structure, and satisfactory mechanical property does not does not wear and tear in operation and comes off.Through suitably improving downspout, increase the bubbling area simultaneously, improve the column plate mass transfer and effectively distinguish thereby increase the bubbling promoters; Improved disposal ability.And through adopting column plate is gone into, the exit weir technology.Can slow down column plate inlet hydraulic shock as column plate inlet weir; Improve column plate inlet flow and distribute, improve plate efficiency, simultaneously to playing the downcomer seal effect; Can improve on the column plate liquid holding zone as the tray outlet weir and flow, improve plate efficiency; Improve downspout gas-liquid separation ability, improve downspout disposal ability, reduce requirement to the time of staying.
Result of the test shows: KDD valve plate separative efficiency is higher by 25% than F1 float valve; KDD valve plate pressure drop ratio F1 float valve low 15%; KDD valve plate disposal ability is higher by 30% than F1 float valve; KDD valve plate mist entrainment and leakage rate reduce about 20% than F1 float valve.
The foregoing description only is the technical conceive and the characteristics of explanation the utility model, and its purpose is to let the personage who is familiar with this technology can understand content of the utility model and enforcement according to this, can not limit the protection domain of the utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the utility model.
Claims (6)
- One kind the guiding efficient float valve tray; Include column plate be arranged at the float valve on the column plate, it is characterized in that: said float valve include valve gap and along the valve gap both sides of the edge to the valve leg that extends below, valve gap is provided with two pilot holes that upwards arch upward; The dual-side in addition of valve gap is provided with airflow dispersion device; Tower tray is provided with installing hole, and the valve leg is provided with fixture block and fixture block is arranged in the installing hole, and airflow dispersion device props up the upper surface of tower tray.
- 2. the efficient float valve tray of a kind of guiding according to claim 1, it is characterized in that: said valve gap is trapezoidal.
- 3. the efficient float valve tray of a kind of guiding according to claim 2, it is characterized in that: said airflow dispersion device is a Saw blade.
- 4. the efficient float valve tray of a kind of guiding according to claim 2, it is characterized in that: said pilot hole is ellipse, and openings at one side.
- 5. the efficient float valve tray of a kind of guiding according to claim 3 is characterized in that: said Saw blade becomes 5～15 degree angles to lower hem.
- 6. the efficient float valve tray of a kind of guiding according to claim 4, it is characterized in that: said valve gap, two pilot hole, valve leg and toothed edge are formed in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203339777U CN202237328U (en) | 2011-09-07 | 2011-09-07 | Guidance high-efficiency valve tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203339777U CN202237328U (en) | 2011-09-07 | 2011-09-07 | Guidance high-efficiency valve tray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202237328U true CN202237328U (en) | 2012-05-30 |
Family
ID=46098633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203339777U Expired - Fee Related CN202237328U (en) | 2011-09-07 | 2011-09-07 | Guidance high-efficiency valve tray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202237328U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977590A (en) * | 2014-05-26 | 2014-08-13 | 万华化学集团股份有限公司 | Gas-liquid mass transfer element |
| CN104941232A (en) * | 2015-06-29 | 2015-09-30 | 苏州市科迪石化工程有限公司 | Tongue type floating valve tower disc |
| CN104941238A (en) * | 2015-07-02 | 2015-09-30 | 苏州市科迪石化工程有限公司 | Long-strip-shaped float valve |
| 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 |
| CN110787477A (en) * | 2019-11-18 | 2020-02-14 | 沈阳派司钛设备有限公司 | Novel titanium-molybdenum-nickel tower device for butanone oxime |
-
2011
- 2011-09-07 CN CN2011203339777U patent/CN202237328U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977590A (en) * | 2014-05-26 | 2014-08-13 | 万华化学集团股份有限公司 | Gas-liquid mass transfer element |
| CN104941232A (en) * | 2015-06-29 | 2015-09-30 | 苏州市科迪石化工程有限公司 | Tongue type floating valve tower disc |
| 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 |
| CN104941232B (en) * | 2015-06-29 | 2017-01-18 | 苏州市科迪石化工程有限公司 | Tongue type floating valve tower disc |
| CN104941238A (en) * | 2015-07-02 | 2015-09-30 | 苏州市科迪石化工程有限公司 | Long-strip-shaped float valve |
| CN110787477A (en) * | 2019-11-18 | 2020-02-14 | 沈阳派司钛设备有限公司 | Novel titanium-molybdenum-nickel tower device for butanone oxime |
| CN110787477B (en) * | 2019-11-18 | 2023-08-25 | 沈阳派司钛设备有限公司 | Novel titanium molybdenum nickel tower device for butanone oxime |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20160907 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |