CN108079752A - A kind of multistage cross flow-adverse current liquid distributor for rotary filling bed and its application - Google Patents
A kind of multistage cross flow-adverse current liquid distributor for rotary filling bed and its application Download PDFInfo
- Publication number
- CN108079752A CN108079752A CN201810059666.2A CN201810059666A CN108079752A CN 108079752 A CN108079752 A CN 108079752A CN 201810059666 A CN201810059666 A CN 201810059666A CN 108079752 A CN108079752 A CN 108079752A
- Authority
- CN
- China
- Prior art keywords
- liquid
- ring sleeve
- collecting tank
- diversion pipe
- bed
- 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
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Classifications
-
- 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
- B01J19/28—Moving reactors, e.g. rotary drums
Abstract
The invention discloses a kind of multistage cross flow adverse current liquid distributor for rotary filling bed and its applications, the device includes ring sleeve, collecting tank, diversion pipe, ring sleeve includes at least two, the ring sleeve is made of two coaxial sleeves, ring sleeve is placed on the outside of shaft, it is filler rotor on the outside of ring sleeve, several holes is uniformly provided on the outer tube wall of ring sleeve;Collecting tank is located at the bottom outside of upper strata ring sleeve, connects with revolving bed inner walls, and collecting tank is communicated by diversion pipe with lower floor ring sleeve;The liquid that upper strata ring sleeve sprays is repeatedly scattered with after coalescence, collecting eddy flow through housing and entering in collecting tank, the ring sleeve that lower floor is flowed to along diversion pipe sprays through the filler rotor of rotation.The device can make liquid collect and be uniformly distributed again, make the mass transfer between gas-liquid more abundant and can strengthen mass transferring in gas phase process;Reaction between gas-liquid make it possible by multistep treatment, single device realizes reaction of high order and absorb have higher efficiency.
Description
Technical field
The present invention relates to a kind of multistage cross flow-adverse current liquid distributor for rotary filling bed and its applications, are specially one kind
It can make liquid that can be uniformly distributed in each layer filler inner edge radial and axial, make the mass transfer between gas-liquid more abundant and strengthen gas phase
The multistage cross flow of mass transport process-adverse current liquid distributor for rotary filling bed.
Background technology
High-gravity technology is a kind of technology of the reinforcing multiphase transport and reaction process to grow up the 1980s,
It is realized mainly by rotary packed bed.The technology is widely used in the industries such as oil, chemical industry, pharmacy, explosive wastewater, mainly essence
Chemical engineering unit operations and the preparation of nano material such as evaporate, absorb.
Rotary packed bed basic structure includes liquid distribution trough, filler and shell three parts, operation principle:Liquid
Entered by liquid-inlet, liquid is uniformly sprayed at by liquid distribution trough by filler inner edge, in the centrifugal force effect that rotation generates
Under, liquid passes radially through filler, with back flow of gas, after cocurrent or cross-flow contact progress mass transfer and reaction, after being collected by shell
It is discharged by liquid outlet.
In rotary packed bed, gas is continuous phase, and liquid is dispersed phase, therefore can liquid be evenly distributed in filler
Rotary packed bed mass transfer effect will be directly affected.It is typically ripple silk net in the filler of rotary packed bed middle use, netted gold
Belonging to, metal foam, the fillers such as Raschig ring, it provides place for gas-liquid contact, but cannot solve the problems, such as that liquid is uniformly distributed,
And gas-liquid contact is not enough for the reaction having, time of contact is short so that gas-liquid mass transfer effect is not high, and degree of purification is poor, leads
Cause needs multiple devices to realize that high-precision purifies.Multi-stage rotary packed bed comes into being, wherein, liquid distribution trough is core
Point, the quality of structure directly affects the uniformity of liquid distribution, volume and mass transfer effect.
In rotary packed bed, liquid distribution trough is usually the tubular structure on equipment lumen centers inlet tube, is had static
Also have rotation.Static distributor has the advantage that:The liquid of ejection occurs larger relative motion with filler and initially touches
Redisperse is hit, at the axially different height in filler inner edge, can be circumferentially evenly distributed.
The content of the invention
The present invention is intended to provide a kind of multistage cross flow-adverse current liquid distributor for rotary filling bed and its application, can make liquid
Body is repeatedly collected and is uniformly distributed, and is made the mass transfer between gas-liquid more abundant and can be strengthened mass transferring in gas phase process;Make anti-between gas-liquid
Should be after MULTI CONTACT be reacted and is absorbed, gas has higher removal efficiency and degree of purification, and liquid has higher concentration, section
Energy significant effect is more in line with high-efficient purification, high-precision removes the environmentally friendly new demand of nuisance.
The present invention provides a kind of rotary packed bed liquid distribution trough of multistage cross flow-adverse current, including ring sleeve, liquid collecting
Slot, diversion pipe, ring sleeve include at least two, and the ring sleeve is made of two coaxial sleeves, and ring sleeve, which is placed on, to be turned
On the outside of axis, it is filler rotor on the outside of ring sleeve, several holes or grid is uniformly provided on the outer tube wall of ring sleeve;Collecting tank position
In the bottom outside of upper strata ring sleeve, connect with revolving bed inner walls, collecting tank passes through diversion pipe and lower floor's ring sleeve
It communicates;The liquid that upper strata ring sleeve sprays enters in collecting tank, and the ring sleeve that lower floor is flowed to along diversion pipe sprays.
The ring sleeve is placed between shaft and filler, ring sleeve through filler stator and with filler stator with
Welding manner is fixed, and prevents that gas is short-circuit, on the outer tube wall of ring sleeve(Close to rotor portion)Uniformly it is provided with several holes, liquid
It sprays through filler and enters in collecting tank along the hole.
The hole is round hole or grid.The number in hole is determined that flow rate of liquid is controlled in 0.5- by fluid flow and flow velocity
6m/s。
The collecting tank be circular ring shape, the U that section is made of annular sheet, inner cylinder, revolving bed inner walls
Shape slot, collecting tank are located at revolving bed case inside, and annular sheet is perpendicular to inner walls and is welded in inner walls, for collecting
Liquid;The inner cylinder be with the body concentric cylinder of shell, inner cylinder bottom is welded as a whole with annular sheet.
The diversion pipe is round tube, positioned at the lower part of collecting tank, diversion pipe lower end and next layer of liquid distribution trough
It is connected;The diameter of round tube is determined by fluid flow, and flow control is in 0.01-1m/s.Diversion pipe is arranged under collecting tank
Side, is uniformly provided with 2 ~ 8, is uniformly set obliquely towards center of circle direction along collecting tank circumferencial direction, several diversion pipes form taper
Structure.
The diversion pipe is connected with welding manner with collecting tank and next liquid distribution trough.To prevent liquid from overflowing
Go out.
The inner cylinder height is determined by fluid flow, collects height of the amount no more than the cylinder of liquid.
The core component distributor of the present invention is two co-axial annulus.Liquid enters rotary packed bed from liquid-inlet
Filler rotor inner edge is uniformly sprayed at afterwards, under the action of the centrifugal force, is radially thrown away around, is collected by outer wall along wall and flowed down,
It flows into collecting tank, under the effect of gravity, enters lower floor's liquid distribution trough along diversion pipe, after assembling a certain amount of liquid, by liquid
Liquid is sprayed at the inner edge of next layer of filler rotor by the circular hole or grid of body distributor, under the action of the centrifugal force, radially to
Surrounding is thrown away, and is discharged after being collected by outer wall into collecting tank or from liquid outlet.
Beneficial effects of the present invention:
(1)The structure design of the present invention makes liquid specification flow path in liquid distribution trough, forms good multiple receipts
Collection and redistribution, make the mass transfer between gas-liquid more abundant;
(2)And per level-one gas-liquid be cross-flow contact, treating capacity is big, on the whole from the point of view of be adverse current, mass transfer effect is good.
(3)Simple in structure, liquid handling amount is big, applied in multistage cross flow-adverse current super-gravity device;It is suitble to promote and apply
In the high-efficient purification of the industries gas such as petrochemical industry, coal chemical industry and high-precision removing nuisance.
Description of the drawings
Fig. 1 is the structure diagram of liquid distribution trough.
Fig. 2 is along the sectional view of line A-A in Fig. 1.
Fig. 3 is along the sectional view of line B-B in Fig. 1.
Fig. 4 is along the sectional view of line C-C in Fig. 1.
In figure:1- gas feeds;2- filler rotors;3- lower floors liquid distribution trough;4- diversion pipes;5- collecting tanks;6- inner circles
Cylinder;7- supernatant liquid distributors;8- gas vents;9- liquid-inlets;10- liquid outlets;11- ring sleeves.
Specific embodiment
It is further illustrated the present invention below by embodiment, but is not limited to following embodiment.
Embodiment 1:
As shown in Fig. 1 ~ 4, a kind of rotary packed bed liquid distribution trough of multistage cross flow-adverse current, including ring sleeve 11, collecting tank 5,
Diversion pipe 4, ring sleeve 11 include at least two, and the ring sleeve 11 is made of two coaxial sleeves, 11 sets of ring sleeve
On the outside of shaft, it is filler rotor 2 on the outside of ring sleeve, several holes or grid is uniformly provided on the outer tube wall of ring sleeve;Collection
Liquid bath 5 is located at the bottom outside of upper strata ring sleeve 7, connects with revolving bed inner walls;
It is supernatant liquid distributor 7 and lower floor's liquid distribution trough 3 there are two ring sleeve is set in the present embodiment;Collecting tank 5 is logical
Diversion pipe 4 is crossed to communicate with lower floor liquid distribution trough 3;The liquid that supernatant liquid distributor 7 sprays enters through filler in collecting tank,
Lower floor's liquid distribution trough 3 is flowed to along diversion pipe to spray.
The ring sleeve 11 is placed between shaft and filler rotor 2, and ring sleeve is through filler stator and with filling out
Anticipate son to fix with welding manner, prevent that gas is short-circuit, be uniformly provided with several holes on the outer tube wall of ring sleeve, liquid is along the hole
Ejection enters through filler in collecting tank.
The hole is round hole or grate opening.The number in hole is determined by fluid flow and flow velocity, and is met flow rate of liquid and be
0.3-6m/s。
The collecting tank 5 is circular ring shape, and section is:It is made of annular sheet, inner cylinder 6, revolving bed inner walls
U-lag, collecting tank 5 is located at revolving bed case inside, and annular sheet is perpendicular to inner walls and passes through welding manner and installs, and uses
In collection liquid and it is distributed in diversion pipe;The inner cylinder 6 be with the body concentric cylinder of shell, inner cylinder bottom and annular are thin
Plate is welded as a whole.
The diversion pipe 4 is pipe, and diameter is determined by fluid flow and flow velocity, and flow control is in 0.01-1m/s;Its
Bottom is connected with lower floor liquid distribution trough.
The diversion pipe 4 is equipped with 2-8, along the circumferential direction uniformly sets obliquely, and several diversion pipes form taper knot
Structure.As shown in figure 3, the present embodiment is provided with three diversion pipes, collecting tank with next layer of liquid distribution trough is connected, led by diversion pipe
Flow tube is uniformly set along collecting tank circumferencial direction towards center of circle direction obliquely, and the spacing between arbitrary two diversion pipes is equal,
Angle is in 120 °.
The diversion pipe 4 is connected with welding manner with collecting tank and next liquid distribution trough.To prevent liquid from overflowing
Go out.
6 height of inner cylinder is determined by fluid flow, collects height of the amount no more than the cylinder of liquid.
The core component distributor of the present invention is two co-axial annulus.Liquid enters rotation filler from liquid-inlet 9
Packing layer inner edge is uniformly sprayed at after bed, under the action of the centrifugal force, is radially thrown away around, is collected by outer wall along wall and flowed down,
It flows into collecting tank, under the effect of gravity, enters lower floor's liquid distribution trough along diversion pipe, after assembling a certain amount of liquid, by liquid
Liquid is sprayed at the inner edge of next layer of filler rotor by the circular hole of body distributor, under the action of the centrifugal force, is radially got rid of around
Go out, discharged after being collected by outer wall from liquid outlet 10.At the same time, gas from the gas access of rotary packed bed bottom 1 into
Enter in packed bed, liquid is radially to flow from inside to outside, gas cross-flow from the bottom to top vertically, and it is wrong to cross per level-one gas-liquid
Stream contact, treating capacity is big, on the whole from the point of view of be counter current contacting, mass transfer effect is more preferable, degree of purification higher.
Claims (9)
1. a kind of multistage cross flow-adverse current liquid distributor for rotary filling bed, it is characterised in that:Including ring sleeve, collecting tank,
Diversion pipe, ring sleeve include at least two, and the ring sleeve is made of two coaxial sleeves, and ring sleeve is placed on outside shaft
Side, ring sleeve outside are filler rotor, and several holes are uniformly provided on the outer tube wall of ring sleeve;Collecting tank is located at upper strata annular
The bottom outside of casing connects with revolving bed inner walls, and collecting tank is communicated by diversion pipe with lower floor ring sleeve;Upper strata ring
The liquid that shape casing sprays is repeatedly scattered with after coalescence, collecting eddy flow through housing and entering in collecting tank through the filler rotor of rotation, edge
The ring sleeve that diversion pipe flows to lower floor sprays.
2. multistage cross flow according to claim 1-adverse current liquid distributor for rotary filling bed, it is characterised in that:It is described
Ring sleeve be placed between shaft and filler rotor, ring sleeve through filler stator and with filler stator with welding manner
It is fixed, it prevents that gas is short-circuit, several holes is uniformly provided on the outer tube wall of ring sleeve, liquid is sprayed along the hole through filler rotor
Into in collecting tank.
3. multistage cross flow according to claim 1-adverse current liquid distributor for rotary filling bed, it is characterised in that:It is described
Hole is round hole or grate opening;The number in hole is determined by fluid flow and flow velocity.
4. multistage cross flow according to claim 1-adverse current liquid distributor for rotary filling bed, it is characterised in that:It is described
Collecting tank for circular ring shape, the U-lag that section is made of annular sheet, inner cylinder, revolving bed inner walls, collecting tank position
In revolving bed case inside, annular sheet is perpendicular to inner walls and is welded in inner walls, for collecting liquid;Described is interior
Cylinder be with the body concentric cylinder of shell, inner cylinder bottom is welded as a whole with annular sheet.
5. multistage cross flow according to claim 1-adverse current liquid distributor for rotary filling bed, it is characterised in that:It is described
Diversion pipe for round tube, positioned at the lower part of collecting tank, diversion pipe lower end is connected with next layer of liquid distribution trough;Round tube
Diameter determine that and flow control is in 0.01-1m/s by fluid flow.
6. multistage cross flow according to claim 1-adverse current liquid distributor for rotary filling bed, it is characterised in that:It is described
Diversion pipe be arranged below collecting tank, be uniformly provided with 2 ~ 8, uniformly set obliquely towards center of circle direction along collecting tank circumferencial direction
It puts, several diversion pipes form pyramidal structure.
7. multistage cross flow according to claim 1-adverse current liquid distributor for rotary filling bed, it is characterised in that:It is described
Diversion pipe be connected with welding manner with collecting tank and next liquid distribution trough.
8. multistage cross flow according to claim 1-adverse current liquid distributor for rotary filling bed, it is characterised in that:It is described
Inner cylinder height determined by fluid flow, collect height of the amount no more than the cylinder of liquid.
9. a kind of application of claim 1 ~ 8 any one of them multistage cross flow-adverse current liquid distributor for rotary filling bed,
It is characterized in that:Liquid from the liquid-inlet at rotary packed bed top into being uniformly sprayed at packing layer inner edge after rotary packed bed,
Under the action of the centrifugal force, radially throwing away around, collected by rotary packed bed outer wall along wall and flowed down, eddy flow enters in collecting tank,
Under the effect of gravity, lower floor's liquid distribution trough is entered along diversion pipe, after assembling a certain amount of liquid, by the circular hole of liquid distribution trough
Or liquid is sprayed at the inner edge of next layer of filler by grid, under the action of the centrifugal force, is radially thrown away, is collected by outer wall around
It is discharged afterwards from the liquid outlet of rotary packed bed bottom;At the same time, gas from the gas access of rotary packed bed bottom into
Enter in packed bed, multistage cross flow-counter current contacting is formd between liquid.
Priority Applications (1)
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CN201810059666.2A CN108079752A (en) | 2018-01-22 | 2018-01-22 | A kind of multistage cross flow-adverse current liquid distributor for rotary filling bed and its application |
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CN201810059666.2A CN108079752A (en) | 2018-01-22 | 2018-01-22 | A kind of multistage cross flow-adverse current liquid distributor for rotary filling bed and its application |
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CN201810059666.2A Pending CN108079752A (en) | 2018-01-22 | 2018-01-22 | A kind of multistage cross flow-adverse current liquid distributor for rotary filling bed and its application |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109847566A (en) * | 2019-04-22 | 2019-06-07 | 四川恒创博联科技有限责任公司 | The dust removal integrated laminar reactor of desulphurization denitration |
CN110339796A (en) * | 2019-06-28 | 2019-10-18 | 中北大学 | A kind of reaction unit and method preparing gasoline alkylate for sulfuric acid alkylation method |
CN113004950A (en) * | 2021-04-21 | 2021-06-22 | 济南冶金化工设备有限公司 | Gradient filler rotating bed for gas desulfurization by combining cross flow and counter flow |
CN113769684A (en) * | 2021-08-24 | 2021-12-10 | 北京化工大学 | Supergravity device for efficient coupling and strengthening in liquid-liquid heterogeneous reaction and product two-phase separation process |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109847566A (en) * | 2019-04-22 | 2019-06-07 | 四川恒创博联科技有限责任公司 | The dust removal integrated laminar reactor of desulphurization denitration |
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CN113004950A (en) * | 2021-04-21 | 2021-06-22 | 济南冶金化工设备有限公司 | Gradient filler rotating bed for gas desulfurization by combining cross flow and counter flow |
CN113769684A (en) * | 2021-08-24 | 2021-12-10 | 北京化工大学 | Supergravity device for efficient coupling and strengthening in liquid-liquid heterogeneous reaction and product two-phase separation process |
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Application publication date: 20180529 |