CN106076207B - Aspirate overflow type gas-liquid allotter - Google Patents
Aspirate overflow type gas-liquid allotter Download PDFInfo
- Publication number
- CN106076207B CN106076207B CN201610690167.4A CN201610690167A CN106076207B CN 106076207 B CN106076207 B CN 106076207B CN 201610690167 A CN201610690167 A CN 201610690167A CN 106076207 B CN106076207 B CN 106076207B
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- bend pipe
- liquid
- blowgun
- aperture
- gas
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- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/0278—Feeding reactive fluids
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The present invention relates to fixed bed hydrogenation reactor equipment technical fields, disclose a kind of suction overflow type gas-liquid allotter, it includes the bend pipe and blowgun that the aperture two sides of tray deck are mounted on by fastener, the length of elbow inlet section is less than the length of outlet section, the bottom of entrance is evenly equipped with several seams, outlet section is equipped with several air inlets far from the side wall of entrance, the extreme lower position of air inlet is higher than the extreme higher position of item seam, and bend pipe is fixed on above the aperture of tray deck by being mounted on the first flange of outlet section bottom；The aperture of the outlet section, tray deck of bend pipe and blowgun are coaxially arranged；Blowgun includes the several piece stream breaker that spatially helical form is arranged.The present invention have many advantages, such as allocation performance is good, pressure drop is small, hold dirty space is big, anti-column plate tilt capability is strong, operating flexibility is big, use scope is wide, structure is simple, it is easily manufactured, be easily installed, firm stable, and the cycle of operation of reactor can be extended to a certain extent.
Description
Technical field
The present invention relates to fixed bed hydrogenation reactor equipment technical field, specifically one kind can make biphase gas and liquid flow
The suction overflow type gas-liquid allotter that body evenly distributes.
Background technique
Hydrogenator is refining of petroleum products, modification, processing of heavy oil, residual oil processing, the weight of the production high-efficiency cleaning energy
Want equipment.Increasingly stringent with global environmental regulation, the paces of various countries' oil quality upgrading are also gradually being accelerated, anti-to hydrogen is added
Answer the product quality of device also with regard to more stringent requirements are proposed.The uniformity of fluid distrbution in hydrogenator directly affects anti-
Answer the time of contact of object and catalyst and the wetness degree of catalyst surface liquid, thus finally influence bed temperature distribution and
The quality of product.Gas-liquid allotter is the important inner member in hydrogenator, and main function is mentioned for gas-liquid two-phase fluid
For the place for mixing and interacting, spray reactant equably to catalyst surface, control bed temperature distribution, sufficiently hair
Wave catalysis efficiency.If gas-liquid allotter design is unreasonable, it will form channel or short circuit, bed caused hot-spot occur, urge
Agent coking and deactivation, influences product quality, shortens the operation cycle of reactor.
According to the mode of entrance of liquid phase, the gas-liquid allotter industrially applied at present can substantially be divided into three classes: suction type,
Overflow type and combination type.What is generallyd use on domestic hydrogenation plant is suction type gas-liquid allotter.
Application No. is the patents of CN201120012053.7 to disclose a kind of gas-liquid allotter, and the main body of the distributor uses
Cap structure is steeped, liquid phase carries by gas phase, is drawn into central tube from bubble cap and central tube item seam, gas-liquid tempestuously phase interaction
With, liquid phase is atomized by broken stream, and liquid phase flows through stream breaker, cylinder under the action of gas phase kinetic energy, after being further atomized by broken stream, quilt
It is uniformly distributed on catalyst bed.The advantages of gas-liquid allotter, is that broken stream atomization is good, the disadvantage is that structure is complicated,
Pressure drop is big, to high viscosity liquid phase medium bad adaptability.
Application No. is the patents of CN201420255947.2 to disclose a kind of overflow type gas-liquid allotter, and the distributor is main
The structure combined using main body tube, center tracheae, Venturi throat and stream breaker, liquid enter main body through main body tube slot apertures
In pipe, gas enters in main body tube from the open-mouth of central gas pipe, gas-liquid logistics collide at Venturi throat to be formed it is mixed
Logistics is closed, stream breaker is flowed through and is assigned to catalyst bed.The advantages of distributor is that structure is simple, and pressure drop is small, is suitble to high viscous
Medium is spent, the disadvantage is that higher to main body tube, center tracheae, the installation requirement of Venturi throat, mixed drop is larger, easily goes out
Existing central bus phenomenon；Although Venturi throat and stream breaker improve broken stream atomizing effect, the structure runner is narrow, operation
Elasticity is small, and it is poor to hold dirty ability.
There is the problems such as structure is complicated, and installation and maintenance are cumbersome, and distributor volume is larger mostly in existing gas-liquid allotter.?
In traditional gas-liquid allotter, often increase the spray area of liquid by plane stream breaker, improves broken stream atomizing effect.But by
The gas-liquid mixed logistics of main body tube outflow is direct splashing on plane stream breaker, and impact force is strong, and pressure drop is big, and plane stream breaker pair
Installation level is more demanding.
Summary of the invention
The object of the present invention is to provide a kind of suction overflow type gas-liquid allotters, to solve existing gas-liquid allotter structure
Complexity, volume is larger, the big problem of media pressure drop.
In order to solve the above-mentioned technical problem, the technical solution used in the present invention are as follows:
A kind of suction overflow type gas-liquid allotter, it includes the bend pipe that the aperture two sides of tray deck are mounted on by fastener
And blowgun, the open at both ends of bend pipe, the length of the elbow inlet section are less than the length of outlet section, the bottom of entrance is equal
Several seams are furnished with, outlet section is equipped with several air inlets far from the side wall of entrance, and bend pipe is by being mounted on outlet section bottom
First flange be fixed on above the aperture of tray deck；The aperture of the outlet section, tray deck of bend pipe and blowgun are coaxially arranged.
Preferably, the blowgun includes the several piece stream breaker that spatially helical form is arranged, and stream breaker is solid by connector
It is scheduled on the bottom surface of second flange, blowgun is mounted below the aperture of tray deck by second flange, and the outer of blowgun is straight
Diameter is greater than the outer diameter of bend pipe.
Preferably, the first flange, second flange, be equipped with compatible bolt hole around tray deck aperture.
Preferably, the extreme lower position of the air inlet is higher than the extreme higher position of item seam.
Preferably, the quantity of the air inlet is 1-3, and the shape of air inlet is round or polygon.
Preferably, the quantity of the item seam is 2-6 item, and the shape of item seam is strip or helical form.
Preferably, the quantity of the stream breaker is 3-6 block, is connected to the same point.
Preferably, the shape of the stream breaker is surface plate or curved slab.
Multiple gas-liquid allotters of the present invention are installed by actual requirement on tray deck, i.e. composition gas-liquid partition tray.
In the use of the present invention, gas phase, which is divided into two-way, enters gas-liquid allotter: gas phase suction carries liquid phase by bend pipe all the way
The item seam of entrance bottom enters bend pipe, and another part gas phase enters bend pipe by the air inlet on winding pipe exit section side wall；This two
Road gas has suction atomizing to the liquid at elbow inlet, stitches entrance with from item by the gas phase that air inlet enters bend pipe
Gas-liquid mixture flow direction it is substantially vertical, the gas phase of high speed miscarries raw shearing force to gas-liquid mixture, and liquid phase is further
Broken stream atomization；Gas-liquid mixture is splashed on the stream breaker of stereo spiral shape arrangement, liquid after flowing out winding pipe exit section bottom
It is uniformly distributed on catalyst bed after being mutually further atomized and dispersed.
The invention has the benefit that
(1) the configuration of the present invention is simple distributes entrance using the item seam of elbow inlet section bottom, bend pipe top, air inlet
The gas-liquid two-phase fluid of device carries out broken stream and is atomized, the stream breaker for being sufficiently mixed gas phase liquid phase, and being arranged through stereo spiral shape into
The stream atomization broken to mixture of one step, evenly distributes gas-liquid mixture to catalyst bed, aobvious to the broken stream atomizing effect of logistics
It writes, distributes gas-liquid more uniform；
(2) it in the use of the present invention, gas phase, which is divided into two-way, enters bend pipe, reduces gas phase and carries liquid phase and enter bend pipe and cause
Pressure drop, and air inlet enter gas phase can eliminate by item seam enter gas-liquid mixture Biased flow phenomenon, optimize gas-liquid
Allocation performance；
(3) gas-liquid mixture that stream breaker flows out bend pipe bottom is reallocated, and avoids central tube of trailer liquid flow
Larger phenomenon is measured, increases the spray area of export distributor gas-liquid mixed logistics, and spiral stream breaker is to gas-liquid mixture
Pressure drop be lower than the hardened structure of the broken liquid of plane, reduce the pressure drop of gas-liquid mixture；
(4) the stereo spiral arrangement mode of stream breaker can both have been eliminated since the barrier effect of blowgun causes in blowgun
Liquid rough sledding on the low side below the heart, and liquid in rotation can be made to scatter, broken stream atomizing effect is improved, the diameter of liquid is improved
To allocation performance；
(5) in most cases, liquid is carry by gas enters bend pipe through item seam, and flow velocity is lower, and it is miscellaneous can to precipitate oil product
Matter, and be open space below elbow inlet section, effectively increase the appearance dirt ability of distributor；
(6) when solid impurity blocking item seam when, liquid phase can with gas from air inlet overflow above winding pipe exit section into bend pipe,
To realize the mixed allocation of gas-liquid two-phase, so gas-liquid allotter provided by the invention impurity content suitable for raw material is higher
Or the more occasion of ingredient of easily coking, operating flexibility is big, and the device cycle of operation is long；
(7) present invention uses main body bent-tube boiler structure and stereo spiral formula blowgun, and anti-column plate tilt capability is strong；Utilize
Gas-liquid allotter is fixed on tray deck by one flange, second flange and bolt fastener, is convenient for assembly and disassembly, and structure is simple,
Manufacturing cost is low.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of bend pipe in Fig. 1；
Fig. 3 is the structural schematic diagram of blowgun in Fig. 1.
In figure: 1, bend pipe, 2, tray deck, 3, fastener, 4, blowgun, 5, item seam, 6, air inlet, 7, first flange, 8,
Entrance, 9, second flange, 10, outlet section, 11, connector, 12, stream breaker.
Specific embodiment
The following further describes the present invention with reference to the drawings.
A kind of suction overflow type gas-liquid allotter as shown in Figure 1 to Figure 3, it includes being mounted on tower tray by fastener 3
The length of the bend pipe 1 and blowgun 4 of the aperture two sides of plate 2, the open at both ends of bend pipe 1,1 entrance 8 of bend pipe is less than outlet section
10 length, the bottom of entrance 8 are evenly equipped with 3 strip item seams 5, and outlet section 10 is equipped with 2 far from the side wall of entrance 8
Round air inlet 6, the extreme lower position of air inlet 6 are higher than the extreme higher position of item seam 5, and bend pipe 1 is by being mounted on 10 bottom of outlet section
First flange 7 be fixed on above the aperture of tray deck 2；The aperture of the outlet section 10, tray deck 2 of bend pipe 1 and blowgun 4 are coaxial
Arrangement.
Blowgun 4 is connected to same including 3 pieces of 12,3 pieces of stream breakers 12 of plane stream breaker that spatially helical form is arranged
Point, stream breaker 12 are fixed on the bottom surface of second flange 9 by connector 11, and blowgun 4 is mounted on tower tray by second flange 9
Below the aperture of plate 2, the outer outer diameter for being diametrically greater than bend pipe 1 of blowgun 4.
First flange 7, second flange 9 are equipped with compatible bolt hole around 2 aperture of tray deck.
In the use of the present invention, gas phase, which is divided into two-way, enters distributor: gas phase enters bend pipe 1 by air inlet 6 all the way, another
Gas phase suction in road carries liquid phase and enters bend pipe 1 from the item of 1 entrance of bend pipe, 8 bottom seam 5, and the flow direction of two-way logistics is hung down substantially
Directly, the gas phase of high speed mixes gas-liquid preferably the raw shearing force of gas-liquid mixture miscarriage；The gas entered from air inlet 6
The gas-fluid two-phase mixture stream that is entered by elbow inlet section 8 can mutually be eliminated in the Biased flow phenomenon of winding pipe exit section 10, guarantee by
The gas-liquid mixture of 1 outlet section bottom of bend pipe outflow is splashed to the center of blowgun 4, acts in the sputtering of stream breaker 12
Under, it is evenly dispersed into catalyst bed.
Stream breaker 12 arranges to form blowgun 4 in a manner of stereo spiral in the present invention, deposits between adjacent two pieces of stream breakers 12
In gap, the rough sledding for causing distributor central lower liquid on the low side due to the barrier effect of blowgun 4 can be eliminated, and it is broken
Flowing plate 12 can reallocate to gas-liquid mixture again, eliminate the phenomenon that fluid flow is larger below 1 outlet section of bend pipe, increase
The spray area of export distributor gas-liquid mixed logistics.The gas-liquid mixture of 1 outlet section of bend pipe, 10 bottom outflow is splashed to broken stream
On device 4, under the action of stream breaker 12, certain spinning momentum can be generated, has both helped to improve broken stream atomizing effect, improves and divides
With performance, and liquid in rotation can be made to scatter, eliminate Biased flow phenomenon caused by tray deck inclination；Gas-liquid mixture is splashed to
Weak to the impact force of stream breaker on helical form stream breaker, pressure drop is small.
Liquid is carry by gas and enters bend pipes 1 through item seam 5, flow velocity is lower, it can precipitate the impurity in liquid phase, and bend pipe
Open space below 1 entrance makes distributor have the dirty ability of very strong appearance.When impurity content is higher or easy in raw material
When the ingredient of coking is more, if operation a period of time after, solid impurity block item seam, gas phase can not aspirate carry liquid phase enter it is curved
Pipe 1, liquid phase can also be with gases from 6 overflow of air inlet above 1 outlet section of bend pipe into bend pipe 1, to realize the mixed of gas-liquid two-phase
Close distribution.Therefore, the occasion that present invention impurity content suitable for raw material is higher or the ingredient of easy coking is more, operating flexibility
Greatly, the device cycle of operation is long.
The present invention by together as one the advantages of suction type and overflow type gas-liquid allotter, have allocation performance is good, pressure drop is small,
Hold dirty space is big, anti-column plate tilt capability is strong, operating flexibility is big, use scope is wide, structure is simple, it is easily manufactured, be easily installed,
The advantages that firm stable, and the cycle of operation of reactor can be extended to a certain extent.
Claims (7)
1. a kind of suction overflow type gas-liquid allotter, it includes the aperture two sides that tray deck (2) is mounted on by fastener (3)
Bend pipe (1) and blowgun (4), the open at both ends of bend pipe (1), it is characterised in that: the length of bend pipe (1) entrance (8)
Less than the length of outlet section (10), the bottom of entrance (8) is evenly equipped with several seams (5), and outlet section (10) is far from entrance (8)
Side wall be equipped with several air inlets (6), bend pipe (1) is fixed on by being mounted on the first flange (7) of outlet section (10) bottom
Above the aperture of tray deck (2)；The aperture of the outlet section (10), tray deck (2) of bend pipe (1) and blowgun (4) are coaxially arranged；Institute
Stating blowgun (4) includes the several piece stream breaker (12) that spatially helical form is arranged, and stream breaker (12) is fixed by connector (11)
On the bottom surface of second flange (9), blowgun (4) is mounted below the aperture of tray deck (2) by second flange (9), broken stream
The outer outer diameter for being diametrically greater than bend pipe (1) of device (4).
2. suction overflow type gas-liquid allotter according to claim 1, it is characterised in that: the first flange (7), second
Compatible bolt hole is equipped with around flange (9), tray deck (2) aperture.
3. suction overflow type gas-liquid allotter according to claim 1 or 2, it is characterised in that: the air inlet (6) is most
Lower position is higher than the extreme higher position of item seam (5).
4. suction overflow type gas-liquid allotter according to claim 3, it is characterised in that: the quantity of the air inlet (6)
It is 1-3, the shape of air inlet (6) is round or polygon.
5. suction overflow type gas-liquid allotter according to claim 4, it is characterised in that: the quantity of item seam (5) is
2-6 item, the shape that item stitches (5) is strip or helical form.
6. suction overflow type gas-liquid allotter according to claim 5, it is characterised in that: the quantity of the stream breaker (12)
For 3-6 block.
7. suction overflow type gas-liquid allotter according to claim 6, it is characterised in that: the shape of the stream breaker (12)
For surface plate or curved slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610690167.4A CN106076207B (en) | 2016-08-19 | 2016-08-19 | Aspirate overflow type gas-liquid allotter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610690167.4A CN106076207B (en) | 2016-08-19 | 2016-08-19 | Aspirate overflow type gas-liquid allotter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106076207A CN106076207A (en) | 2016-11-09 |
| CN106076207B true CN106076207B (en) | 2019-04-26 |
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ID=58070464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610690167.4A Expired - Fee Related CN106076207B (en) | 2016-08-19 | 2016-08-19 | Aspirate overflow type gas-liquid allotter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106076207B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1765479A (en) * | 2004-10-29 | 2006-05-03 | 中国石油化工股份有限公司 | Gas liquid distributor with incrustation sediment function |
| CN201959778U (en) * | 2011-01-10 | 2011-09-07 | 中国石油化工股份有限公司 | Gas-liquid separator |
| CN102240526A (en) * | 2011-05-12 | 2011-11-16 | 中国石油天然气集团公司 | Gas lift type liquid distributor and reactor inner part |
| CN203944356U (en) * | 2014-05-15 | 2014-11-19 | 中石化洛阳工程有限公司 | Overflow type gas-liquid allotter |
| CN206121706U (en) * | 2016-08-19 | 2017-04-26 | 兰州兰石集团有限公司 | Suction overflow type gas -liquid distributor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120315202A1 (en) * | 2011-06-07 | 2012-12-13 | c/o Chevron Corporation | Apparatus and method for hydroconversion |
-
2016
- 2016-08-19 CN CN201610690167.4A patent/CN106076207B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1765479A (en) * | 2004-10-29 | 2006-05-03 | 中国石油化工股份有限公司 | Gas liquid distributor with incrustation sediment function |
| CN201959778U (en) * | 2011-01-10 | 2011-09-07 | 中国石油化工股份有限公司 | Gas-liquid separator |
| CN102240526A (en) * | 2011-05-12 | 2011-11-16 | 中国石油天然气集团公司 | Gas lift type liquid distributor and reactor inner part |
| CN203944356U (en) * | 2014-05-15 | 2014-11-19 | 中石化洛阳工程有限公司 | Overflow type gas-liquid allotter |
| CN206121706U (en) * | 2016-08-19 | 2017-04-26 | 兰州兰石集团有限公司 | Suction overflow type gas -liquid distributor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106076207A (en) | 2016-11-09 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Mi Inventor after: Wang Zhenyuan Inventor after: Fan Fei Inventor after: Shen Ling Inventor after: Zhou Qingqing Inventor after: Dong Xiaoli Inventor before: Wang Mi Inventor before: Wang Zhenyuan Inventor before: Fan Fei Inventor before: Shen Ling Inventor before: Zhou Qingqing Inventor before: Dong Xiaoli Inventor before: Bai Binrong |
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| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190426 Termination date: 20200819 |