CN206121706U - Suction overflow type gas -liquid distributor - Google Patents
Suction overflow type gas -liquid distributor Download PDFInfo
- Publication number
- CN206121706U CN206121706U CN201620905203.XU CN201620905203U CN206121706U CN 206121706 U CN206121706 U CN 206121706U CN 201620905203 U CN201620905203 U CN 201620905203U CN 206121706 U CN206121706 U CN 206121706U
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- China
- Prior art keywords
- liquid
- type gas
- bend pipe
- overflow type
- gas
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Abstract
The utility model relates to a fixed -bed hydrogenation reactor equipment technical field, the utility model discloses a suction overflow type gas -liquid distributor, it includes installs return bend and the garrulous ware that flows in tower disc plate's trompil both sides through the fastener, the length of return bend entrance is less than the length of export section, the bottom equipartition of entrance has several rules seam, export section is kept away from and is equipped with the several inlet port on the lateral wall of entrance, the extreme lower position of inlet port is higher than the the highest position of strip seam, the return bend is through installing above the trompil at tower disc plate is fixed to the first flange bottom the export section, the export section of return bend, tower disc plate's trompil and garrulous flows that the ware is coaxial to be arranged, the garrulous ware that flows includes the several flow breaking plate that are three -dimensional heliciform and arrange. The utility model has the advantages of the distributivity can be good, the pressure drop is little, hold that big, the anti column plate tilt capability in dirty space is strong, operating flexibility is big, application range is wide, simple structure, manufacturing are convenient, easily installation, firmly stably, and can prolong the cycle of operation of reactor to a certain extent.
Description
Technical field
This utility model is related to fixed bed hydrogenation reactor equipment technical field, and specifically one kind can make gas-liquid two
The suction overflow type gas-liquid allotter that phase fluid is evenly distributed.
Background technology
Hydrogenation reactor is refining of petroleum products, modification, and processing of heavy oil, residual oil process produce the weight of the high-efficiency cleaning energy
Want equipment.Increasingly strict with global environmental regulation, the paces of various countries' oil quality upgrading are also gradually being accelerated, anti-to being hydrogenated with
The product quality of device is answered also just to put forward higher requirement.The uniformity of fluid distrbution in the hydrogenation reactor, directly affects anti-
Answer time of contact and the wetness degree of catalyst surface liquid of thing and catalyst, so as to finally affect bed temperature distribution and
The quality of product.Gas-liquid allotter is the important inner member in hydrogenation reactor, and its Main Function is carried for gas-liquid two-phase fluid
For the place for mixing and interact, reactant is made equably to spray catalyst surface, control bed temperature distribution is fully sent out
Wave catalysis efficiency.If gas-liquid allotter design is unreasonable, channel or short circuit can be formed, is caused bed hot-spot occur, is urged
Agent coking and deactivation, affects product quality, shortens the service cycle of reactor.
According to the mode of entrance of liquid phase, industrially the gas-liquid allotter of application can substantially be divided three classes at present：Suction type,
Overflow type and combination type.Suction type gas-liquid allotter is used on domestic hydrogenation plant generally.
The patent of Application No. CN201120012053.7 discloses a kind of gas-liquid allotter, and the main body of the allotter is adopted
Bubble cap structure, liquid phase are carried by gas phase, are drawn into central canal from bubble cap and central canal bar seam, gas-liquid tempestuously phase interaction
With, liquid phase is atomized by broken stream, and liquid phase flows through stream breaker, cylinder in the presence of gas phase kinetic energy, after being further atomized by broken stream, quilt
It is uniformly distributed on beds.The advantage of the gas-liquid allotter is that broken stream atomization is good, have the disadvantage complex structure,
Pressure drop is big, to high viscosity liquid phase medium bad adaptability.
The patent of Application No. CN201420255947.2 discloses a kind of overflow type gas-liquid allotter, and the allotter is main
The structure combined using main body tube, center trachea, Venturi throat and stream breaker, liquid Jing main body tube bar slot apertures enter main body
In pipe, gas is entered in main body tube from the open-mouth of central gas pipe, and gas-liquid logistics collides to form mixed at Venturi throat
Compound stream, flows through stream breaker and is assigned to beds.The advantage of the allotter is simple structure, and pressure drop is little, is adapted to high viscous
Degree medium, has the disadvantage higher to the installation requirement of main body tube, center trachea, Venturi throat, and 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 little, holds dirty ability.
There is complex structure in existing gas-liquid allotter, installation and maintenance loaded down with trivial details mostly, the problems such as allotter volume is larger.
In traditional gas-liquid allotter, increase the spray area of liquid usually through plane stream breaker, improve broken stream atomizing effect.But by
The gas-liquid mixed logistics that main body tube flows out is direct splashing on plane stream breaker, and impulsive force is strong, and pressure drop is big, and plane stream breaker pair
Installation level requires higher.
Utility model content
The purpose of this utility model is to provide a kind of suction overflow type gas-liquid allotter, to solve existing gas-liquid allotter
Complex structure, volume are larger, the big problem of media pressure drop.
In order to solve above-mentioned technical problem, technical solution adopted in the utility model is：
A kind of suction overflow type gas-liquid allotter, it includes the bend pipe of the perforate both sides that tray deck is arranged on by securing member
And blowgun, the open at both ends of bend pipe, the length of the length of the elbow inlet section less than outlet section, the bottom of entrance are equal
Several seams are furnished with, outlet section is provided with several air inlets away from the side wall of entrance, and bend pipe is by installed in outlet section bottom
First flange be fixed on above the perforate of tray deck；The outlet section of bend pipe, the perforate of tray deck 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 arranged on below the perforate of tray deck by second flange, and the outer of blowgun is straight
External diameter of the footpath more than bend pipe.
Preferably, the first flange, second flange, be equipped with the bolt hole being adapted around tray deck perforate.
Preferably, extreme higher position of the extreme lower position of the air inlet higher than bar seam.
Preferably, the quantity of the air inlet is 1-3, the generally circular in shape or polygon of air inlet.
Preferably, the quantity of the bar seam is 2-6 bars, and what bar was stitched is shaped as strip or helical form.
Preferably, the quantity of the stream breaker is 3-6 blocks, is connected to same point.
Preferably, the stream breaker is shaped as surface plate or curved slab.
Actual requirement is pressed on tray deck multiple gas-liquid allotters described in the utility model are installed, that is, constitute gas-liquid distribution
Disk.
When in use, gas phase is divided into two-way and enters gas-liquid allotter this utility model：All the way gas phase suction carry liquid phase by
The bar seam of elbow inlet section bottom enters bend pipe, and another part gas phase enters bend pipe by the air inlet on the wall of winding pipe exit section side；
This two-way gas has suction atomizing to the liquid at elbow inlet, is entered the gas phase of bend pipe and is stitched from bar by air inlet
Into gas-liquid mixture flow direction it is substantially vertical, the gas phase of high speed is entered to the raw shearing force of gas-liquid mixture miscarriage, liquid phase
The broken stream atomization of one step；Gas-liquid mixture is splashed to the stream breaker of three-dimensional helical form arrangement after winding pipe exit section bottom is flowed out
On, liquid phase is further atomized and is uniformly distributed on beds after disperseing.
The beneficial effects of the utility model are：
（1）This utility model simple structure, using the bar seam of elbow inlet section bottom, at the top of bend pipe, air inlet is to entering
The gas-liquid two-phase fluid of allotter carries out broken stream atomization, is sufficiently mixed gas phase liquid phase, and the broken stream of Jing solid helical form arrangements
Plate further stream atomization broken to mixture, makes gas-liquid mixture evenly distribute to beds, the broken stream atomization effect to logistics
Fruit significantly, makes the more uniform of gas-liquid distribution；
（2）When in use, gas phase is divided into two-way and enters bend pipe this utility model, reduces gas phase carrying liquid phase and enters bend pipe
The pressure drop for causing, and the gas phase that air inlet is entered can eliminate the Biased flow phenomenon that the gas-liquid mixture for entering is stitched by bar, optimize
Gas-liquid allocation performance；
（3）Stream breaker reallocates to the gas-liquid mixture that bend pipe bottom is flowed out, it is to avoid central tube of trailer liquid flow
The larger phenomenon of amount, increases the spray area of export distributor gas-liquid mixed logistics, and spiral stream breaker to gas-liquid mixture
Pressure drop be less than the hardened structure of the broken liquid of plane, reduce the pressure drop of gas-liquid mixture；
（4）The three-dimensional helical arrangement mode of stream breaker can both be eliminated and be caused in blowgun due to the barrier effect of blowgun
Liquid rough sledding on the low side below the heart, can make liquid in rotation scatter again, improve broken stream atomizing effect, improve the footpath of liquid
To allocation performance；
（5）In most cases, liquid carries Jing bars seam by gas and enters bend pipe, and flow velocity is relatively low, can precipitate oil product miscellaneous
It is open space below matter, and elbow inlet section, effectively increases the appearance dirt ability of allotter；
（6）When solid impurity blocking bar is stitched, liquid phase can enter bend pipe from air inlet overflow above winding pipe exit section with gas,
So as to realize the mixed allocation of gas-liquid two-phase, so the gas-liquid allotter that this utility model is provided is suitable for impurity content raw material
The more occasion of the composition of higher or easy coking, operating flexibility are big, and the plant running cycle is long；
（7）, using main body bent-tube boiler structure and three-dimensional spiral blowgun, anti-column plate tilt capability is strong for this utility model；Profit
Gas-liquid allotter is fixed on tray deck with first flange, second flange and bolt fastener, is easy to assembly and disassembly, structure letter
Single, manufacturing cost is low.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of bend pipe in Fig. 1；
Fig. 3 is the structural representation of blowgun in Fig. 1.
In figure：1st, bend pipe, 2, tray deck, 3, securing member, 4, blowgun, 5, bar seam, 6, air inlet, 7, first flange, 8,
Entrance, 9, second flange, 10, outlet section, 11, connector, 12, stream breaker.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is further illustrated.
A kind of suction overflow type gas-liquid allotter as shown in Figure 1 to Figure 3, it includes being arranged on tower tray by securing member 3
The bend pipe 1 and blowgun 4 of the perforate both sides of plate 2, the open at both ends of bend pipe 1, the length of 1 entrance 8 of bend pipe are less than outlet section
10 length, the bottom of entrance 8 are evenly equipped with 3 strip bar seams 5, and outlet section 10 is provided with 2 away from the side wall of entrance 8
Circular air inlet 6, the extreme lower position of air inlet 6 stitch 5 extreme higher position higher than bar, and bend pipe 1 is by installed in 10 bottom of outlet section
First flange 7 be fixed on above the perforate of tray deck 2；The outlet section 10 of bend pipe 1, the perforate of tray deck 2 are coaxial with blowgun 4
Arrangement.
It is same that blowgun 4 includes that 3 pieces of 12,3 pieces of stream breakers 12 of plane stream breaker that spatially helical form is arranged are connected to
Point, stream breaker 12 are fixed on the bottom surface of second flange 9 by connector 11, and blowgun 4 is arranged on tower tray by second flange 9
Below the perforate of plate 2, the external diameter of the outer of blowgun 4 with diameter greater than bend pipe 1.
First flange 7, second flange 9, it is equipped with the bolt hole being adapted around 2 perforate of tray deck.
When in use, gas phase is divided into two-way and enters allotter this utility model:Gas phase enters bend pipe 1 by air inlet 6 all the way,
Another road gas phase suction carries liquid phase and enters bend pipe 1, the flow direction base of two-way logistics from the bar seam 5 of 1 entrance of bend pipe, 8 bottom
This is vertical, and the gas phase of high speed makes gas-liquid preferably be mixed the raw shearing force of gas-liquid mixture miscarriage；Enter from air inlet 6
Gas phase can eliminate the gas-fluid two-phase mixture stream entered by elbow inlet section 8 in the Biased flow phenomenon of winding pipe exit section 10, protect
The center that the gas-liquid mixture flowed out by 1 outlet section bottom of bend pipe is splashed to blowgun 4 is demonstrate,proved, is made in the sputtering of stream breaker 12
With under, beds are evenly dispersed into.
In this utility model, stream breaker 12 is with three-dimensional spiral way arrangement form blowgun 4, adjacent two pieces of stream breakers 12 it
Between there is gap, can eliminate and allotter central lower liquid rough sledding on the low side is caused due to the barrier effect of blowgun 4,
And stream breaker 12 can be reallocated to gas-liquid mixture, the larger phenomenon of fluid flow below 1 outlet section of bend pipe is eliminated,
The spray area of increase export distributor gas-liquid mixed logistics.The gas-liquid mixture that 1 outlet section of bend pipe, 10 bottom is flowed out is splashed to
On blowgun 4, in the presence of stream breaker 12, certain spinning momentum can be produced, both be favorably improved broken stream atomizing effect, changed
Kind allocation performance, can make liquid in rotation scatter again, eliminate tray deck and incline Biased flow phenomenon caused by institute；Gas-liquid mixture splashes
It is mapped on helical form stream breaker, weak to the impulsive force of stream breaker, pressure drop is little.
Liquid Jing bars seam 5 is carry by gas and enters bend pipe 1, flow velocity is relatively low, can precipitate the impurity in liquid phase, and bend pipe
Open space below 1 entrance causes allotter to have very strong appearance dirt ability.When in raw material, impurity content is higher or easy
When the composition of coking is more, if after operation a period of time, solid impurity blocking bar seam, gas phase cannot aspirate carrying liquid phase and enter curved
Pipe 1, liquid phase can also enter bend pipe 1 from 6 overflow of air inlet above 1 outlet section of bend pipe with gas, so as to realize the mixed of gas-liquid two-phase
Close distribution.Therefore, the occasion that this utility model is higher suitable for impurity content raw material or composition of easy coking is more, operates bullet
Property it is big, the plant running cycle is long.
The advantage of suction type and overflow type gas-liquid allotter is integrated by this utility model, with allocation performance it is good, pressure
Drop is little, hold that dirty space is big, anti-column plate tilt capability is strong, operating flexibility is big, use range is wide, simple structure, it is easily manufactured, be easy to
Install, firm stable the advantages of, and can extension reactor to a certain extent cycle of operation.
Claims (8)
1. a kind of to aspirate overflow type gas-liquid allotter, it is included by securing member（3）Installed in tray deck（2）Perforate both sides
Bend pipe（1）And blowgun（4）, bend pipe（1）Open at both ends, it is characterised in that：The bend pipe（1）Entrance（8）Length
Less than outlet section（10）Length, entrance（8）Bottom be evenly equipped with several seam（5）, outlet section（10）Away from entrance（8）
Side wall be provided with several air inlets（6）, bend pipe（1）By installed in outlet section（10）The first flange of bottom（7）It is fixed on
Tray deck（2）Perforate above；Bend pipe（1）Outlet section（10）, tray deck（2）Perforate and blowgun（4）It is coaxially arranged.
It is 2. according to claim 1 to aspirate overflow type gas-liquid allotter, it is characterised in that：The blowgun（4）Including number
The block stream breaker that spatially helical form is arranged（12）, stream breaker（12）By connector（11）It is fixed on second flange（9）Bottom
On face, blowgun（4）By second flange（9）Installed in tray deck（2）Perforate below, blowgun（4）It is outer diametrically big
In bend pipe（1）External diameter.
It is 3. according to claim 2 to aspirate overflow type gas-liquid allotter, it is characterised in that：The first flange（7）, second
Flange（9）, tray deck（2）The bolt hole being adapted is equipped with around perforate.
4. the suction overflow type gas-liquid allotter according to claim 1 or 2 or 3, it is characterised in that：The air inlet（6）
Extreme lower position higher than bar stitch（5）Extreme higher position.
It is 5. according to claim 4 to aspirate overflow type gas-liquid allotter, it is characterised in that：The air inlet（6）Quantity
Individual, the air inlet for 1-3（6）Generally circular in shape or polygon.
It is 6. according to claim 5 to aspirate overflow type gas-liquid allotter, it is characterised in that：The bar seam（5）Quantity be
2-6 bars, bar seam（5）Be shaped as strip or helical form.
It is 7. according to claim 6 to aspirate overflow type gas-liquid allotter, it is characterised in that：The stream breaker（12）Quantity
For 3-6 blocks.
It is 8. according to claim 7 to aspirate overflow type gas-liquid allotter, it is characterised in that：The stream breaker（12）Shape
For surface plate or curved slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620905203.XU CN206121706U (en) | 2016-08-19 | 2016-08-19 | Suction overflow type gas -liquid distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620905203.XU CN206121706U (en) | 2016-08-19 | 2016-08-19 | Suction overflow type gas -liquid distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206121706U true CN206121706U (en) | 2017-04-26 |
Family
ID=58563794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620905203.XU Withdrawn - After Issue CN206121706U (en) | 2016-08-19 | 2016-08-19 | Suction overflow type gas -liquid distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206121706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076207A (en) * | 2016-08-19 | 2016-11-09 | 兰州兰石集团有限公司 | Suction overflow type gas-liquid allotter |
-
2016
- 2016-08-19 CN CN201620905203.XU patent/CN206121706U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076207A (en) * | 2016-08-19 | 2016-11-09 | 兰州兰石集团有限公司 | Suction overflow type gas-liquid allotter |
| CN106076207B (en) * | 2016-08-19 | 2019-04-26 | 兰州兰石集团有限公司 | Aspirate overflow type gas-liquid allotter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170426 Effective date of abandoning: 20190426 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170426 Effective date of abandoning: 20190426 |