CN105944513B - Adaptive adjustable type plate column - Google Patents
Adaptive adjustable type plate column Download PDFInfo
- Publication number
- CN105944513B CN105944513B CN201610483029.9A CN201610483029A CN105944513B CN 105944513 B CN105944513 B CN 105944513B CN 201610483029 A CN201610483029 A CN 201610483029A CN 105944513 B CN105944513 B CN 105944513B
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- Prior art keywords
- downspout
- column
- liquid
- plate
- column plate
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- 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.)
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Classifications
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- 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
-
- 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
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
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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)
- Organic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The present invention relates to technical field of environment protection equipment, and in particular to a kind of adaptive adjustable type plate column.It includes tower body, air inlet, gas outlet, at least one layer of column plate, and the column plate is equipped with multiple sieve pores and one group of downspout for passing through column plate；Inlet is set at the top of the downspout, the inlet is higher by the upper surface of the column plate, and the lower part of the downspout is equipped with elastic descending liquid pipeline；When fashionable without liquid flow in downspout, the elasticity descending liquid pipeline is at least partially in closed state；When the elastic force of closing section that influent in downspout and liquid gravity are more than the elastic descending liquid pipeline of unlatching, the closing section of elastic descending liquid pipeline opens under liquid gravity effect to be let the liquid out.The present invention can not only adjust the setting value of overflow height, but also can adaptively regulate and control flow stream velocity to realize the control of set overflow height, and can be blocked to avoid the siltation of particulate matter or dope, simple in structure, stable operation, convenient for maintenance.
Description
Technical field
The invention belongs to chemical industry and technical field of environment protection equipment, particularly gas-liquid mass transfer (contact) equipment technical field, and in particular to
A kind of adaptive adjustable type plate column, can be widely applied to the distillations of the industries such as chemical industry, environmental protection, smelting, light industry, absorption,
The technical process such as separation, washing, purification.
Background technology
Plate column is usually made of housing and horizontally disposed column plate, is a kind of to be widely used general gas-liquid mass transfer and set
It is standby.Plate column is also common bubbling type washer, and a large amount of stomata gas supply are distributed on column plate and are mutually passed through, gas-liquid contact is on column plate
Bubble level carry out, liquid phase sprays downwards by water pump pumps from tower top, and air-flow forms a large amount of bubbles and constantly breaks when passing through liquid layer
It splits and updates, in bubbling area by under dust catching, frequently with multilayer column plate to improve purification efficiency.Plate column is preferably taken into account
Processing flux, purifying property and operation energy consumption, but its structure compared with it is complicated, operating flexibility is small, installation requirement is high.
The main member of plate column is column plate, and the main construction of column plate includes sieve pore, downflow weir and downspout.Sieve pore is tower
Gas passage on plate.Downflow weir is higher than one point height of column plate, for controlling the height of liquid layer on column plate, to ensure gas-liquid two-phase
There are enough contact surfaces on column plate.Downspout is that liquid flow to descending trays or the channel of bottom of towe from upper strata column plate.In general,
In normal work, liquid flows out plate column from the downspout of upper strata column plate, flows transversely through the column plate for being provided with sieve pore, crosses overflow
Weir into the downspout of this layer of column plate, flows to descending trays.The lower end of downspout must keep fluid-tight, enable liquid from descending liquid
Bottom of the tube flows out and gas cannot scurry into downspout.
Prolonged application is in the distillation, separation and absorption process of chemical industry after being generated due to plate column, hereafter using plate
When formula tower carries out waste gas purification processing, there are many shortcomings for the structure of existing plate column：The flow of waste gas cleaning system usually compared with
Greatly, the downflow weir of existing plate column, downspout are placed in tower body both sides, and shared column plate area is big, reduces the stream of gas phase
Logical area and processing flow；It is relatively low that waste gas purification crosses range request system pressure drop, and existing plate column liquid phase flows transversely through column plate and turns over
More downflow weir forms inclined liquid level, increases liquid level and gas phase drag, so as to increase energy consumption.In addition, waste gas purification
The frequent entrained particulate of gas or dope of process, the column plate modular construction of existing plate column is complicated, downflow weir and downspout
Component usually has dead zone, easily causes particulate matter or dope siltation blocks, and be difficult to clear up.
To solve the above-mentioned problems, hanging downcomer column plate is applied in waste gas cleaning system.On common column plate
Underslung downspout is set, does not need to separately set downflow weir and downspout in tower body both sides, space in tower can be efficiently used, is increased
Atmospheric flow.Several gaps are provided in the bottom of hanging downcomer, but the percent opening design comparison of descending liquid bottom of the tube is stranded
Hardly possible, operating flexibility are small, and then gas easily scurries into formation short circuit in downspout to percent opening greatly, and percent opening is small, and liquid cannot smoothly flow
Go out to form liquid flooding.Moreover, the dead zone of downflow weir or descending liquid bottom of the tube is also easily blocked due to the siltation of particulate matter or dope,
Can not work normally plate column.
Invention content
In order to solve the above-mentioned technical problem, the purpose of the present invention is to provide a kind of adaptive adjustable type plate column, both
The setting value of overflow height can be regulated and controled, and can realize the control of set overflow height.
To realize the above-mentioned technical purpose, the present invention uses following technical solution：
Adaptive adjustable type plate column including tower body, air inlet, gas outlet, at least one layer of column plate, is set on the column plate
There are multiple sieve pores and one group of downspout for passing through column plate；Inlet is set at the top of the downspout, the inlet is higher by described
The upper surface of column plate, the lower part of the downspout are equipped with elastic descending liquid pipeline；When fashionable without liquid flow in downspout, the bullet
Property descending liquid pipeline is at least partially in closed state；When influent in downspout and liquid gravity are more than the elastic downspout of unlatching
During the elastic force of the closing section in road, the closing section of elastic descending liquid pipeline opens under liquid gravity effect to be let the liquid out；
Liquid level in downspout is higher, and the aperture of elastic descending liquid pipeline is bigger, so as to adaptively regulate and control the height of liquid layer on column plate
Degree.Since the flow cross-section product of downspout change with liquid level, closed state is in during without liquid stream, can just realize liquid
Quick outflow, and be avoided that gas is scurried into and short circuit is formed in downspout, ensure that gas realizes effective counter current contacting with liquid.
Wherein, the air inlet is arranged on the tower body lower part, position more than bottom of towe liquid level；The gas outlet is arranged on
Position more than bubble level on the tower body top, top layer's column plate；Gas flows into tower body under differential pressure action from air inlet,
From bottom to top by the bubble level on sieve pore and column plate, flowed out from gas outlet；Liquid level on column plate higher than at the top of downspout into
During liquid mouth, liquid enters downspout flow direction lower section；The difference in height between inlet and column plate upper surface at the top of downspout is known as
Overflow height Lf, the liquid level of bubble level can be controlled by changing overflow height Lf, and then control pressure drop and the gas-liquid of plate column
Mass-transfer efficiency.
Preferably, the elasticity descending liquid pipeline is made of silica gel or rubber, naturally it is also possible to using other elastic materials
It is made.
Preferably, the closing section of the elasticity descending liquid pipeline will overcome its elastic force under liquid gravity effect and open
Critical liquid level corresponding to the minimum value for the liquid gravity opened is more than the overflow height of plate column, so as to which gas be avoided to scurry into
In downspout.If the liquid level in the elasticity descending liquid pipeline is less than the critical liquid level, i.e. liquid gravity is less than institute
The elastic force of the closing section of elastic descending liquid pipeline is stated, then elastic descending liquid pipeline is still within closed state.
In general, the overflow height needs of plate column precalculate setting, it is difficult to be adjusted after the operation of equipment processing and installation
Section.And adaptive adjustable plate column provided by the present invention, can the mounting height of easily up and down adjustment downspout come
Change overflow height, so as to regulate and control the operating status of plate column and performance.
As a preferred embodiment, using being threadedly coupled between the downspout and the column plate, so as to easily
Relative altitude between up and down adjustment downspout and column plate；Matched between the downspout and the elastic descending liquid pipeline using interference
It closes tensioner connection or is attached by clip.
As another preferred embodiment, the elasticity descending liquid pipeline includes cylindricality inserting section, taper mistake successively from top to bottom
Section and elastic closure section are crossed, fold forms flange outward for the top side of the cylindricality inserting section；The elasticity descending liquid pipeline leads to
It crosses the flange to be connected together with the mounting hole on column plate, the lower end grafting of the downspout enters the column of the elastic descending liquid pipeline
In shape inserting section；The downspout can be along the cylindricality inserting section up and down adjustment installation site, so as to adjust inlet and column plate
The difference in height of upper surface, i.e. overflow height Lf.
Preferably, position interlaced arrangement of the downspout installed on adjacent layer column plate in upright projection plane.
Due to the adoption of the above technical scheme, the present invention has at least following advantageous effect：It both can be by adjusting downspout
Installation site change the setting value of overflow height, and can adaptively regulate and control the liquid stream of downspout by elastic descending liquid pipeline
Speed, with the control of overflow height set by realization.Compared with prior art, downspout or overflow are not present in the present invention
The bottom dead on weir can block to avoid the siltation of particulate matter or dope, simple in structure, stable operation, convenient for safeguard.
Description of the drawings
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the primary structure schematic diagram of the embodiment of the present invention one；
Fig. 2 is the overlooking the structure diagram of column plate；
Fig. 3 is that the state of the fashionable elastic descending liquid pipeline of no liquid flow and structure are shown in downspout in the embodiment of the present invention one
It is intended to；
Fig. 4 is that the gravity for having liquid in the embodiment of the present invention one in downspout is more than the closure for opening elastic descending liquid pipeline
State and structure diagram during partial elastic force；
Fig. 5 is that the state of the fashionable elastic descending liquid pipeline of no liquid flow and structure are shown in downspout in the embodiment of the present invention two
It is intended to；
Fig. 6 is that the gravity for having liquid in the embodiment of the present invention two in downspout is more than the closure for opening elastic descending liquid pipeline
State and structure diagram during partial elastic force；
Fig. 7 is the mounting hole distributed architecture schematic diagram on adjacent layer column plate in the embodiment of the present invention two.
In figure：1- tower bodies；2- air inlets；3- gas outlets；4- column plates；41- sieve pores；42- mounting holes；43- downspouts；44-
Inlet；45- elasticity descending liquid pipelines；451- cylindricality inserting sections；452- tapering transition sections；453- elastic closure sections；454- flange；
5- liquid-jet devices；6- demisters；7- bubble levels；8- leakage fluid drams.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is further explained.In the following detailed description, only pass through explanation
Mode describes certain exemplary embodiments of the present invention.Undoubtedly, those of ordinary skill in the art will recognize,
In the case of without departing from the spirit and scope of the present invention, described embodiment can be repaiied with a variety of different modes
Just.Therefore, attached drawing and description are regarded as illustrative in nature, and are not intended to limit the scope of the claims.
Embodiment one
As shown in Figures 1 to 4, adaptive adjustable type plate column, including tower body 1, air inlet 2,3, one layers of gas outlet or
Multilayer column plate 4, tower body 1 is tubular in the present embodiment, or other shapes；Column plate 4 for two layers, also may be used by certain column plate
To be set as one layer, three layers or more layers, it is within the scope of protection of the invention；The air inlet 2 is arranged on the tower body 1
Position more than lower part, bottom of towe liquid level；The gas outlet 3 is arranged on 1 top of tower body, the bubble level 7 on top layer's column plate 4
Above position；1 top of tower body is equipped with liquid-jet device 5 and demister 6, and 1 bottom of tower body is equipped with leakage fluid dram 8, wherein, hydrojet dress
Put 5 and demister 6 common structure known in this field may be used and realize, be no longer described in detail；
With reference to figure 2, the column plate 4 is equipped with a large amount of sieve pores 41, is additionally provided with one group of mounting hole 42 (for 4), described
Downspout 43 across column plate 4 is installed in mounting hole 42；The top of the downspout 43 sets inlet 44, the inlet 44
The upper surface of the column plate 4 is higher by, the lower part of the downspout 43 is equipped with the bullet made of silica gel, rubber or other elastic materials
Property descending liquid pipeline 45；
Using being threadedly coupled between the downspout 43 and the column plate 4, so as to easily up and down adjustment downspout
Relative altitude between 43 and column plate 4, to change overflow height to regulate and control the operating status of plate column and performance；The downspout
It is connected using interference fit tensioner between 43 and the elastic descending liquid pipeline 45 or is attached by clip.
Gas-liquid two-phase counter-current operation in the plate column, the bubble level on column plate 4 realize mass transport process.Gas is in pressure difference
Tower body 1 is flowed into from air inlet 2 under effect, from bottom to top from the sieve pore 41 around downspout 43 by the bubble level 7 on column plate 4,
It is flowed out from gas outlet 3；Liquid is flowed down by pumping to be transported to above top layer's column plate, is formed on column plate 4 with certain altitude
Liquid layer after gas passes through the sieve pore 41 of the column plate 4, carries out gas-liquid contact with the liquid layer on column plate 4, forms a large amount of bubbles not
Disconnected rupture and update.When liquid level on column plate 4 is higher than the inlet 44 at 43 top of downspout, liquid enters under the flow direction of downspout 43
Layer column plate or bottom of towe.Since the upper strata of liquid layer has a large amount of constantly rupture and newer bubbles, thus the liquid level on column plate is
State fluctuation, when liquid level is higher than the inlet at the top of the downspout, it will flow into downspout.
The liquid reducing device or downspout of existing plate column do not regulate and control the effect of flow rate of liquid, and downspout of the present invention
The flow cross-section product of elastic descending liquid pipeline changes with the liquid level in downspout and is changed, with reference to figure 3, when in downspout 43 without liquid
When body flows into, the elasticity descending liquid pipeline 45 is in closed state；With reference to figure 4, when the gravity for having liquid in downspout 43 is big
When the elastic force of closing section of elastic descending liquid pipeline 45 is opened, the closing section of elastic descending liquid pipeline 45 is made in liquid gravity
It is let the liquid out with lower opening；The more high then liquid gravity of liquid level in downspout is bigger, and the aperture of elastic descending liquid pipeline 45 is also got over
Greatly, the speed of liquid outflow is faster, so as to adaptively regulate and control the height of liquid layer on column plate.Due to the liquid stream of downspout
Sectional area is changed with liquid level, in closed state during without liquid stream, can just realize that liquid quickly flows out and gas
Body, which is scurried into, forms short circuit in downspout, ensure that gas realizes effective counter current contacting with liquid.
Preferably, the elastic descending liquid pipeline 45 will overcome the elastic force of its closing section under liquid gravity effect and open
It opens, the minimum value of required liquid gravity, corresponding critical liquid level Lmin is more than the overflow height Lf of plate column.This
Sample, when the liquid level L in downspout is less than Lmin, elastic descending liquid pipeline 45 is in closed state, so as to which gas be avoided to scurry into drop
It is flowed out in liquid pipe not via column plate and bubble level.
The adaptive adjustable type plate column that the present embodiment is provided, both can be by adjusting the installation site of downspout 43
To change the setting value of overflow height, and can adaptively regulate and control flow velocity by the elastic descending liquid pipeline 45 of 43 lower part of downspout
Degree is to realize the control of set overflow height, simple in structure, stable operation, convenient for safeguarding.
Embodiment two
The present embodiment and the structural principle of embodiment one are essentially identical, and something in common is no longer repeated, and difference only exists
In the mounting structure of downspout 43 and elastic descending liquid pipeline 45.
With reference to figure 5 and Fig. 6, elastic descending liquid pipeline 45 described in the present embodiment includes cylindricality inserting section successively from top to bottom
451st, tapering transition section 452 and elastic closure section 453, fold forms flange outward for the top side of the cylindricality inserting section 451
454；The elasticity descending liquid pipeline 45 is connected together by the flange 454 with the mounting hole on column plate 4, and the downspout 43 is
Straight tube, in the cylindricality inserting section 451 that the lower end grafting of downspout 43 is first entered to during installation the elastic descending liquid pipeline 45, then by bullet
Property descending liquid pipeline 45 be inserted into the mounting hole on column plate 4, be clamped by flange 454 with column plate 4, simple installation is secured, downspout
It is not easy to fall off；The lower end grafting of the downspout 43 enter position in the cylindricality inserting section 451 can up and down adjustment, so as to
To realize the purpose for adjusting overflow height.
In addition, with reference to figure 7, for the liquid that the downspout from upper strata column plate flows down is avoided to flow directly into the descending liquid of descending trays
Guan Zhong, the downspout installed in the mounting hole 42 on adjacent layer column plate 4 (sieve pore is not shown), installation site is in upright projection
Interlaced arrangement in plane.
The foregoing is merely the schematical specific embodiments of the present invention, are not limited to the scope of the present invention.It is any
Those skilled in the art, made equivalent variations and modification under the premise of the design of the present invention and principle is not departed from,
The scope of protection of the invention should all be belonged to.
Claims (6)
1. adaptive adjustable type plate column, including the tower body (1) with inner cavity, air inlet (2), gas outlet (3), at least one layer
Column plate (4), the column plate (4) are equipped with multiple sieve pores (41) and one group of downspout (43) for passing through column plate (4), and feature exists
In：
Inlet (44) is set at the top of the downspout (43), the inlet (44) is higher by the upper surface of the column plate (4), institute
The lower part for stating downspout (43) is equipped with elastic descending liquid pipeline (45)；
When fashionable without liquid flow in downspout (43), the elasticity descending liquid pipeline (45) is at least partially in closed state；
When the interior influent of downspout (43) and liquid gravity are more than the elasticity for the closing section for opening elastic descending liquid pipeline (45)
During power, the closing section of elastic descending liquid pipeline (45) opens under liquid gravity effect；Liquid level in downspout (43) is higher, bullet
The aperture of property descending liquid pipeline (45) is bigger；
The air inlet (2) is arranged on the tower body (1) lower part, position more than bottom of towe liquid level；The gas outlet (3) is arranged on
Position more than bubble level (7) on tower body (1) top, top layer's column plate (4)；Gas is under differential pressure action from air inlet
(2) tower body (1) is flowed into, from bottom to top by the bubble level on sieve pore (41) and column plate, is flowed out from gas outlet (3)；On column plate (4)
Liquid level higher than inlet (44) at the top of downspout (43) when, liquid enters downspout (43) flow direction lower section；
The elasticity descending liquid pipeline (45) is made of silica gel or rubber.
2. adaptive adjustable type plate column as described in claim 1, it is characterised in that：The elasticity descending liquid pipeline (45)
The critical liquid corresponding to the minimum value of liquid gravity that closing section will overcome its elastic force under liquid gravity effect and open
Position height is more than the overflow height of plate column.
3. adaptive adjustable type plate column as described in claim 1, it is characterised in that：The installation position of the downspout (43)
Put can up and down adjustment, so as to adjust the difference in height of inlet (44) and column plate (4) upper surface.
4. adaptive adjustable type plate column as claimed in claim 3, it is characterised in that：The downspout (43) and the tower
Using threaded connection between plate (4)；Risen between the downspout (43) and the elastic descending liquid pipeline (45) using interference fit
It is close to and connects or be attached by clip.
5. adaptive adjustable type plate column as claimed in claim 3, it is characterised in that：The elasticity descending liquid pipeline (45) is certainly
Include cylindricality inserting section (451), tapering transition section (452) and elastic closure section (453), the cylindricality inserting section successively under
(451) fold forms flange (454) outward for top side；It is described elasticity descending liquid pipeline (45) by the flange (454) with
Mounting hole on column plate (4) is connected together, and the lower end grafting of the downspout (43) enters the column of the elastic descending liquid pipeline (45)
In shape inserting section (451).
6. adaptive adjustable type plate column as claimed in claim 5, it is characterised in that：The downspout (43) can be along described
Cylindricality inserting section (451) up and down adjustment installation site, so as to adjust the difference in height of inlet (44) and column plate (4) upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610483029.9A CN105944513B (en) | 2016-06-27 | 2016-06-27 | Adaptive adjustable type plate column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610483029.9A CN105944513B (en) | 2016-06-27 | 2016-06-27 | Adaptive adjustable type plate column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105944513A CN105944513A (en) | 2016-09-21 |
| CN105944513B true CN105944513B (en) | 2018-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610483029.9A Expired - Fee Related CN105944513B (en) | 2016-06-27 | 2016-06-27 | Adaptive adjustable type plate column |
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| CN (1) | CN105944513B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107551592A (en) * | 2017-08-19 | 2018-01-09 | 安徽泛亚环保科技有限公司 | A kind of sieve aperture plate distillation column |
| CN110124344A (en) * | 2019-05-14 | 2019-08-16 | 济宁市金泰利华化工科技有限公司 | A kind of highly effective reaction rectifying column |
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| CN101721826A (en) * | 2008-10-28 | 2010-06-09 | 中国石油化工股份有限公司 | Bubble tower |
| WO2010077406A1 (en) * | 2008-12-31 | 2010-07-08 | Uop Llc | Improved vapor-liquid contacting in co-current contacting apparatuses |
| CN103252205A (en) * | 2013-05-14 | 2013-08-21 | 河北工业大学 | Full-countercurrent mass transfer unit and tower plate with unit |
| CN203227317U (en) * | 2013-04-28 | 2013-10-09 | 中冶焦耐工程技术有限公司 | Packed tower tray type liquid distributor for double-liquid phase load |
| CN104324587A (en) * | 2014-09-26 | 2015-02-04 | 常州友达环保科技有限公司 | Thin-hole sieve-plate-typed bubble column |
| CN205760496U (en) * | 2016-06-27 | 2016-12-07 | 黄晓峰 | Self adaptation adjustable type plate column |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6588735B2 (en) * | 2000-02-16 | 2003-07-08 | Shell Oil Company | Gas-liquid tray |
| US7506861B2 (en) * | 2005-01-21 | 2009-03-24 | Morten Muller Ltd. Aps | Distribution device for two-phase concurrent downflow vessels |
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2016
- 2016-06-27 CN CN201610483029.9A patent/CN105944513B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101721826A (en) * | 2008-10-28 | 2010-06-09 | 中国石油化工股份有限公司 | Bubble tower |
| WO2010077406A1 (en) * | 2008-12-31 | 2010-07-08 | Uop Llc | Improved vapor-liquid contacting in co-current contacting apparatuses |
| CN203227317U (en) * | 2013-04-28 | 2013-10-09 | 中冶焦耐工程技术有限公司 | Packed tower tray type liquid distributor for double-liquid phase load |
| CN103252205A (en) * | 2013-05-14 | 2013-08-21 | 河北工业大学 | Full-countercurrent mass transfer unit and tower plate with unit |
| CN104324587A (en) * | 2014-09-26 | 2015-02-04 | 常州友达环保科技有限公司 | Thin-hole sieve-plate-typed bubble column |
| CN205760496U (en) * | 2016-06-27 | 2016-12-07 | 黄晓峰 | Self adaptation adjustable type plate column |
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| CN105944513A (en) | 2016-09-21 |
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