CN206414838U - A kind of slurry bed reactor catalyst filtration component - Google Patents
A kind of slurry bed reactor catalyst filtration component Download PDFInfo
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- CN206414838U CN206414838U CN201621309606.4U CN201621309606U CN206414838U CN 206414838 U CN206414838 U CN 206414838U CN 201621309606 U CN201621309606 U CN 201621309606U CN 206414838 U CN206414838 U CN 206414838U
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- metal film
- membrane tube
- film pipe
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- bed reactor
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Abstract
A kind of slurry bed reactor catalyst filtration component, belongs to chemical field.The filter assemblies include hanger, front end flange, metal film pipe component, membrane tube and flange connecting portion, rear end flanges, short circuit portion and the small flange of short circuit.Metal film pipe component centre position is provided with a center membrane tube, center membrane tube and is provided with exhaust line.Being fixedly connected for metal film pipe component assembles into four sections by front end flange, membrane tube and flange connecting portion and rear end flanges, and the metal film pipe of flange connecting portion both sides is the same membrane tube communicated.The metal film pipe element shapes that the utility model is used are stable, and filtration resistance is small, and permeability is high, corrosion-resistant, high temperature resistant, and its metal powder filter core sintered has intensity big, the characteristics of filtering accuracy is high.
Description
Technical field
The utility model belongs to chemical field, more particularly to a kind of slurry bed reactor catalyst filtration component.
Background technology
Industrial production BYD is mainly acetylene-formaldehyde process（Reppe methods）, under conditions of copper bismuth catalyst alkynes occurs for acetylene and formaldehyde
Aldehyde reaction, reaction system is the catalyst system of the phase composition of gas, liquid, solid three, and key reaction equation is：
。
The reaction is exothermic reaction, and reaction mechanism is that the cupric oxide in progress surface reaction on a catalyst, catalyst exists
Cuprous oxide is reduced under formaldehyde effect, then it is cuprous with acetylene effect generation generation intermediate acetylene, formaldehyde and acetylene are inhaled respectively
The copper acetylide surface of solids is attached to, occurs addition necleophilic reaction generation propilolic alcohol, propilolic alcohol and formaldehyde effect generation 1,4- butine
Glycol, last 1,4- butynediols from catalyst surface be desorbed into solution, by catalyst filtration unit, by 1,4- butine two
Alcohol is segregated into later process.
The filter of current BYD synthesis procedures uses candle filter, and catalyst is intercepted in reactor, continues to join
With reaction, net liquid is excluded outside reactor by candle filter.Candle filter is also referred to as bag filter, is by 26 groups
Candle formula cloth envelop collector（16 groups of 10 groups of inner ring and outer ring）, because filter cloth is textile product, there are some natural intrinsic in composition
Defect and flaw, it has the disadvantage that bag filter contamination resistance and durability are poor, and general production is accomplished by for 3 months or so
Stop production and change cloth bag, in about 12 days stop production to overhaul cycles, not only the cost of overhaul is high, and Batch Process has a strong impact on production capacity, shadow
Ring Business Economic Benefit.
The content of the invention
The utility model be for existing slurry bed reactor catalyst filtration device exist weak point there is provided one kind
The slurry bed reactor catalyst filtration component of new BYD production processes, it is adaptable to vapour, liquid, in solid triphase slurry bed reactor
The filter in portion.
The technical solution of the utility model is such：A kind of slurry bed reactor catalyst filtration component, the filtering group
Part includes hanger, front end flange, metal film pipe component, membrane tube and flange connecting portion, rear end flanges, short circuit portion and the small method of short circuit
It is blue.Metal film pipe component centre position is provided with a center membrane tube, center membrane tube and is provided with exhaust line.Metal film pipe component
Be fixedly connected four sections, flange connecting portion two assembled into by front end flange, membrane tube and flange connecting portion and rear end flanges
The metal film pipe of side is the same membrane tube communicated.Solid rod iron is distributed with as the dragon of strength support in metal film pipe component periphery
Bone, to strengthen the intensity of whole filter assemblies, is easy to integral hoisting.End flanges pass through short circuit portion, line sections and the small method of short circuit afterwards
Orchid is connected.Gather gas in chamber, membrane tube provided with gas in membrane tube between hanger and front end flange and gather chamber and exhaust line phase
Connection.
The utility model metal film pipe work principle of filter is：Because sintering metal powder filter element belongs to metal porous element, its
Inside has countless micropores, and hole bending is crisscross, and with the porosity of homogeneous and high precision.Pass through pressurization
The precision filtering of profound level can be realized.
Optimal, metal film pipe component is in the circular distribution of equilateral triangle.
The utility model has following remarkable result：
1st, the metal film pipe element shapes that the utility model is used are stable, and filtration resistance is small, and permeability is high, its gold sintered
Category powder filter element has intensity big, the characteristics of filtering accuracy is high, because it is burnt by cold isostatic compaction and high temperature, high vacuum
Knot, therefore surface particles are difficult for drop-off.
2nd, the utility model metal film pipe corrosion resistance is strong, it is adaptable to the filtering of various different degrees of Korrosionsmediums.
3rd, the utility model metal film pipe high temperature resistant, 900 DEG C are up to using high-temperature, even if working at high temperature under high pressure,
Aperture will not also deform, and porosity is up to 35~45%.
4th, the utility model metal film pipe even aperture distribution, pollutant holding capability is big, it is easy to which anti-cleaning, power of regeneration is strong, uses
Long lifespan.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the utility model metal film pipe component and flange connector annexation schematic diagram；
Fig. 3 is the utility model metal film pipe component section structure schematic diagram.
As shown in the figure：Gas gathers chamber in 1- hangers, 2- membrane tubes, 3- front end flanges, 4- metal film pipe components, 5- membrane tubes with
End flanges after flange connecting portion, 5-1 fixing bolts, 5-2 pads, 5-3 flanges, 5-4 connectors, 6-, 7- short circuits portion, 8- pipelines
Section, the small flange of 9- short circuits, the solid rod irons of 10-, 11- centers membrane tube, 12- exhaust lines.
Embodiment
Embodiment of the present utility model is elucidated referring to the attached drawing：
：A kind of slurry bed reactor catalyst filtration component, the filter assemblies include hanger
1st, front end flange 3, metal film pipe component 4, membrane tube and flange connecting portion 5, rear end flanges 6, short circuit portion 7 and the small flange 9 of short circuit.Gold
The centre position of category membrane pipe module 4, which is provided with a center membrane tube 11, center membrane tube 11, is provided with exhaust line 12.Metal film pipe
Being fixedly connected for component assembles into four sections by front end flange 3, membrane tube and flange connecting portion 5 and rear end flanges 6, membrane tube with
The metal film pipe of the both sides of flange connecting portion 5 is the same membrane tube communicated.Metal film pipe component periphery is distributed with solid rod iron 10 and made
For the keel of strength support, to strengthen the intensity of whole filter assemblies, it is easy to integral hoisting.Afterwards end flanges 6 by short circuit portion 7,
Line sections 8 are connected with the small flange of short circuit 9.Gather gas in chamber 2, membrane tube provided with gas in membrane tube between hanger 1 and front end flange 3
Body gathers chamber 2 and is connected with exhaust line 12.
Membrane tube is made up of with flange connecting portion 5 fixing bolt 5-1, pad 5-2, flange 5-3 and connector 5-4.
Specifically：
Metal film pipe component 4 is made up of the ND25 materials of the circular distribution of 24 equilateral triangles for 316L metal tube.
The utility model selects DN25 diameter, can also select other specifications, and conventional external diameter is generally DN20-100.Due to metal
The general length of membrane tube can be welded from 100---1500mm more than 1500mm, special requirement can with customized, but its intensity and
Filtering accuracy can weaken.Every metal film pipe length of the utility model is 4.4 meters, and it by every is 1.1 meters or so of 4 films that it, which is,
Pipe is welded.Every metal film pipe wall thickness is 1.5mm, and filtering accuracy is 1---3 μm, and general filtering accuracy is 0.5 μm ---
50μm。
Here select 1---3 μm, be in order to improve filtrate filtering accuracy, reduce the turbidity and solid content of filtrate, mitigate or
The use of three groups of cartridge filters of rear system is stopped using, without with changing filter core, reduction production cost and the cost of overhaul are used again.
The periphery of metal film pipe component 4 is used as the keel of strength support, membrane tube group with the solid rod irons 10 of 10-12 316L
Close both sides to connect for flange, three sections of centre point connects into four sections by membrane tube and flange connecting portion 5, to strengthen a whole set of metal film pipe
The intensity of component, is easy to lifting.
The centre of metal film pipe component 4 is provided with the center membrane tube 11 that a DN50 wall thickness is 1.5mm, and filtering accuracy is 1-3
DN25 exhaust line 12 is set in micron, center membrane tube 11.So can not only filter area be increased but also can be by membrane tube
Gas discharged by exhaust line 12.
Using the utility model and the comparison with inlet filtering apparatus, cloth-bag type filter：
By experiment, intend using filtering accuracy for 1 μm -- 3 μm of metal film filters substitute 8 μm of present Bag filters
Device.Reaction clear liquid directly reaches the cleaning requirement after the outer double-filtration of device.Metal film filter service life is estimated up to 8--12
Year.During each general overhaul it is online boil wash down it is clean, once every two years it is offline cleaned with ultrasonic wave or with alkali cleaning once, renewable circulation makes
With.
26 metal film groups are installed in 2 ethynylation devices, every device.Every group of price presses the budget of 250,000 yuan/root.Expense is estimated
It see the table below：（Table one：The domestic filter core of the utility model）
Table two：Import filter core
Table three：Cloth envelop collector cost of use is estimated
As can be seen from the above table eight annual periods, substituted using metal film group after Bag filter form, filter core of security filter
It is used uniformly domestic, expense saves 14120.9-4440=9680.9 ten thousand yuan, and the expense after replacement is only current cost of use
31.44%.Filter core of security filter is used uniformly import, and expense saves 27320.9-7080=20240.9 ten thousand yuan, after replacement
Expense is only the 25.91% of current cost of use.
Because filtering bag filter every three months will carry out a cleaning replacement, so causing catalyst to be not up to uses the longevity
Life is just drawn off, and imported catalyst can be used 5--6 months, but need to be drawn off and put into reactor after filter cloth replacing again and use.It is domestic
Or else catalyst can use after drawing off.The middle time between overhauls(TBO) is 12 days, need to only overhaul twice, reduce every year for imported catalyst
Twice, it is 24 days to save the time, can produce 7200 tons of BDO more, per ton based on 7000 yuan/ton, can increase income from sales 50,400,000
Member/year.
The utility model reduces catalyst and draws off the frequency, catalyst strips can be made to carry out greatest benefit, and relative increase is urged
The service life of agent, while greatly reducing substandard product amount and potential safety hazard that driving and parking is caused, is conducive to BDO products
The stabilization of quality.
Claims (5)
1. a kind of slurry bed reactor catalyst filtration component, it is characterised in that the filter assemblies include hanger, front end flange,
Metal film pipe component, membrane tube and flange connecting portion, rear end flanges, short circuit portion and the small flange of short circuit, metal film pipe component interposition
Install exhaust line is provided with You Yigen centers membrane tube, center membrane tube, metal film pipe component is fixedly connected by preceding hold-carrying
Blue, membrane tube and flange connecting portion and rear end flanges assemble into four sections, and the metal film pipe of flange connecting portion both sides is communicated
Same membrane tube.
2. a kind of slurry bed reactor catalyst filtration component according to claim 1, it is characterised in that metal film pipe group
Solid rod iron is distributed with as the keel of strength support in part periphery.
3. a kind of slurry bed reactor catalyst filtration component according to claim 1, it is characterised in that hanger and front end
Provided with gas in membrane tube gather gas in chamber, membrane tube between flange and gather chamber and be connected with exhaust line.
4. a kind of slurry bed reactor catalyst filtration component according to claim 1, it is characterised in that metal film pipe group
Part is in the circular distribution of equilateral triangle.
5. a kind of slurry bed reactor catalyst filtration component according to claim 1, it is characterised in that metal film tube wall
Thickness is 1.5mm, and filtering accuracy is 1---3 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621309606.4U CN206414838U (en) | 2016-12-01 | 2016-12-01 | A kind of slurry bed reactor catalyst filtration component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621309606.4U CN206414838U (en) | 2016-12-01 | 2016-12-01 | A kind of slurry bed reactor catalyst filtration component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206414838U true CN206414838U (en) | 2017-08-18 |
Family
ID=59578853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621309606.4U Active CN206414838U (en) | 2016-12-01 | 2016-12-01 | A kind of slurry bed reactor catalyst filtration component |
Country Status (1)
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| CN (1) | CN206414838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512513A (en) * | 2016-12-01 | 2017-03-22 | 中国石化长城能源化工（宁夏）有限公司 | Slurry-bed reactor catalyst filtering assembly |
-
2016
- 2016-12-01 CN CN201621309606.4U patent/CN206414838U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512513A (en) * | 2016-12-01 | 2017-03-22 | 中国石化长城能源化工（宁夏）有限公司 | Slurry-bed reactor catalyst filtering assembly |
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