CN208642609U - A kind of Fischer-Tropsch synthesis product separation equipment - Google Patents
A kind of Fischer-Tropsch synthesis product separation equipment Download PDFInfo
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- CN208642609U CN208642609U CN201820844230.XU CN201820844230U CN208642609U CN 208642609 U CN208642609 U CN 208642609U CN 201820844230 U CN201820844230 U CN 201820844230U CN 208642609 U CN208642609 U CN 208642609U
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- 238000000926 separation method Methods 0.000 title claims abstract description 37
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 19
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 28
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 abstract description 10
- 239000003054 catalyst Substances 0.000 description 19
- 239000000047 product Substances 0.000 description 10
- 239000000470 constituent Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 239000007795 chemical reaction product Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000007791 liquid phase Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The utility model relates to a kind of Fischer-Tropsch synthesis product separation equipments, including shell, feed inlet, feed pipe, separator, the first discharge port and the second discharge port；Wherein, the feed inlet setting is in case top, and the side on top in the housing is arranged in the first discharge port, and the bottom of shell is arranged in the second discharge port, and the feed inlet, feed pipe and separator are coaxially disposed inside housings and are sequentially connected logical；The side wall of the separator is separated by filtration cell rings around forming, intermediate form cavity by 4 or 4 or more vertically disposed；The upper end of the separator makes separator and feed pipe airtight connection by top plate and is connected；The lower part of the separator is equipped with closed bottom plate；Unit lower end is each separated by filtration equipped with filtering table, and is equipped with down-comer in filtering table.The Fischer-Tropsch synthesis product separation equipment of the utility model, realizes efficiently separating for slurry reactor product, enables Fischer-Tropsch synthesis device long period even running.
Description
Technical field
The utility model relates to F- T synthesis technical fields, are a kind of Fischer-Tropsch reaction gas-liquid mixtures point more specifically
From equipment.
Background technique
Paste state bed reactor is widely adopted in coal chemical industry and petrochemical industry, and what Fischer-Tropsch synthesis used is exactly
Paste state bed reactor, but since in paste state bed reactor, tiny catalyst granules, liquid reactants and product mix are one
Rise, cause reaction product and catalyst etc. to be difficult to the problem of separating, therefore, how to efficiently separate catalyst fines particle with instead
Product is answered, is one of the key technology of slurry bed process process.
In slurry reactor technique, along with the progress of reaction, there is abrasion and broken phenomenon in catalyst, broken
Catalyst need to be by periodically discharging as reactor, while regular replenishment fresh catalyst slurry is discharged in slurries, to guarantee to react
The activity of catalyst in device.In addition, can carry partial catalyst fine powder while reactor is discharged in reaction product while flow out
Therefore how reactor realizes efficiently separating for reaction product, be urgent problem to be solved in slurry reactor.Currently,
Have in disclosed technical literature, the technical solution that still the problem is not effectively treated.
In addition, main problem existing in the prior art is as follows:
1. carrying catalyst fines in slurry reactor product, the internals of existing separation equipment are easy to be blocked up by catalyst fines
Plug, causes reaction product not separated effectively, is unable to satisfy follow-up system operation demand；Meanwhile internals blocking can also make
Increasing at separation equipment material import and export pressure difference, separator internals are split up when serious, and it need to stop and overhaul plan is carried out to separator,
Device long-period stable operation is influenced, is caused damages to Business Economic Benefit；
2. causing weight component that cannot be efficiently separated, heavy constituent is carried with air-flow to light component since internals block
In, cause separator bottom heavy constituent that can not establish liquid level, liquidometer can not show correct liquid level, influence operator to scene
The judgement of operating condition easily causes erroneous judgement, misjudgement, influences safe and stable arrangement operation；
3. the large quantity of moisture in reaction product can not enter in heavy constituent with gaseous component device for transferring, for recombination
Processing in next step is divided to cause difficulty；
4. design requirement is not achieved in separating effect, greater impact is caused to the production of subsequent workshop section, seriously affects follow-up system
Normal production；
5. needing frequent cleaning during shutdown internals since internals block, increase person works' amount and work risk.
Utility model content
For the above problem existing for slurry bed process process, the utility model provides a kind of improved Fischer-Tropsch synthesis
Product separation equipment keeps Fischer-Tropsch synthesis device long period steady to realize efficiently separating for slurry reactor product
Operation.
Technical solution provided by the utility model is as follows:
A kind of Fischer-Tropsch synthesis product separation equipment, including shell, feed inlet, feed pipe, separator, the first discharge port
With the second discharge port；Wherein, in case top, the side on top in the housing is arranged in the first discharge port for the feed inlet setting,
Second discharge port is arranged in the bottom of shell, the feed inlet, feed pipe and separator be coaxially disposed inside housings and according to
It is secondary to be connected；The side wall of the separator by 4 or 4 or more vertically disposed be separated by filtration cell rings around form, it is intermediate
Form cavity；The upper end of the separator makes separator and feed pipe airtight connection by top plate and is connected；The separator
Lower part be equipped with closed bottom plate；Unit lower end is each separated by filtration equipped with filtering table, and is equipped with down-comer in filtering table.
According to the preferred technical solution of the utility model, it is described be separated by filtration unit include set gradually from the inside to the outside it is interior
Layer porous plate, baffle groups and outer layer porous plate.The baffle groups are arranged in parallel by multiple baffle plates, and by multiple
Stiffener is fixed together, and formation is parallel to each other and evenly spaced more gas passages.The baffle groups width is preferably
150-250mm, the spacing between two neighboring baffle plate are 5-20mm.The baffle plate suppresses or is bent into cross by stainless steel plate
Section is continuous or the batten of tool V-shaped groove at regular intervals, wave-shaped groove or regular isosceles trapezoid slot.
According to the preferred technical solution of the utility model, the internal layer porous plate has the first flanging, first flanging
Length be preferably 80-130mm；The outer layer porous plate has the second flanging, and the length of second flanging is preferably 40-
100mm；
According to the preferred technical solution of the utility model, the bore size of the internal layer porous plate is preferably Φ 10-30, is opened
Porosity is preferably 50-75%；The bore size of the outer layer porous plate is preferably Φ 20-40, and percent opening is preferably 40-60%.
According to the preferred technical solution of the utility model, the bottom plate is located at the 100- of the upper end tube nozzle of the down-comer
At 300mm.
According to the preferred technical solution of the utility model, the quantity of down-comer is 1-3 in each filtering table.
According to the preferred technical solution of the utility model, it is highly 10.5- that the diameter of the shell, which is 3.5-4.2m,
11.5m。
Compared with prior art, the beneficial effects of the utility model major embodiment is in the following areas:
1, Fischer-Tropsch synthesis product separation device structure provided by the utility model is simple, good separating effect, and just
In manufacture and maintenance；
2, it by separation equipment described in the utility model, solves in reaction product entrained catalyst fine powder blocking separation equipment
Part, to cause the problem of can not effectively being separated；
3, the separating effect of weight component in Fischer-Tropsch synthetic can be improved in separation equipment described in the utility model, avoids gas
The problem of carrying heavy constituent in phase secretly, causing liquid phase component that can not establish liquid level, it is ensured that liquid phase can establish liquid level, and can be continuously outer
It send, guarantees that production needs；
4, by separation equipment described in the utility model, moisture can be with gaseous component together device for transferring outside, heavy constituent
Middle water content is less, and then meets the processing needs of subsequent workshop section.Specifically, being separated through separation equipment described in the utility model
Afterwards, the first discharge port catalyst fines concentration can be down to 10ppm hereinafter, the second discharge port catalyst concn be 100ppm hereinafter,
And second discharge port material moisture be greatly reduced, heavy constituent can establish liquid level, meet and continuously sends condition outside.
Detailed description of the invention
Fig. 1 is longitudinal section schematic diagram of separation equipment provided by the utility model；
Fig. 2 is the A-A point overlooking structure diagram of separation equipment provided by the utility model；
Fig. 3 is separation equipment B-B point present invention looks up structural representation provided by the utility model.
Specific embodiment
Fischer-Tropsch synthetic separation equipment provided by the utility model, but this are further described with reference to the accompanying drawing
Therefore utility model is not any way limited.
As shown in Figure 1-3, separation equipment provided by the utility model includes: shell 1, separator 2, feed inlet 3, charging
Pipe 4, the first discharge port 5, the second discharge port 6.
The shell 1 is cylindrical tube, and barrel diameter and height can be carried out according to the treating capacity of slurry reactor product
It adjusts.For 1,200,000 Nm of maximum throughput3The operating condition of/hour, diameter of the housing are preferably 3.5-4.2m, in fact it is highly preferred that are 10.5-
11.5m。
The feed inlet 3 is preferably located in case top middle position, and feed pipe 4 is connected with the sealing of feed inlet 3, separator
2 are connected with feed pipe 4.
The separator mainly includes that top plate 201, down-comer 202, internal layer porous plate 203, baffle groups 204, outer layer are more
Orifice plate 205, bottom plate 207, filtering table 208.Wherein, feed pipe 4 can be distinguished close with feed inlet 3, top plate 201 by modes such as welding
Envelope connection.The combination formation of internal layer porous plate 203, baffle groups 204 and outer layer porous plate 205 in the manner described above is separated by filtration
Unit；The side wall of the separator 2 is sequentially connected by 4 or 4 or more the vertically disposed units that are separated by filtration, and forms one
Hollow symmetric body；The upper end of the separator 2 makes separator 2 and 4 airtight connection of feed pipe by top plate 201 and is connected；
The lower part of the separator 2 is equipped with the bottom plate 207 for closing separator interior cavity.Each unit lower end is separated by filtration to be equipped with
Filtering table 208, and down-comer 202 is equipped in filtering table 208.
Preferably, it is separated by filtration unit described in 4 using the central axis of shell 1 as axle center, is interconnected on one with quadrangle
It rises, forms a hollow symmetric body, top is equipped with top plate 201, and each filter element lower part is equipped with filtering table 208, filtering table
In be equipped with down-comer 202, the lower part of the internal cavity of separator 2 is additionally provided with bottom plate 207.
The top plate 201 is located at 2 top of separator, is tightly connected with feed pipe 4 by modes such as welding.Internal layer porous plate
203, baffle groups 204, the main component that outer layer porous plate 205 is liquid phase separation, the internal layer porous plate 203 have first
Flanging, the first flanging length are preferably 80-130mm, and 203 bore size of internal layer porous plate is preferably Φ 10-30, and percent opening is preferred
For 50-75%；The baffle groups 204 are arranged in parallel by multiple baffle plates, and are fixed on one by multiple stiffeners 206
It rises, the uniform more gas passages of formation, the preferred 150-250mm of width, the spacing between two neighboring baffle plate is 5-20mm, institute
Stating baffle plate and suppressing or be bent into cross section by stainless steel plate is continuous or tool V-arrangement, waveform or rule at regular intervals
The batten of whole isosceles trapezoid slot；The outer layer porous plate 205 has the second flanging, and the second flanging length is preferably 40-
100mm, 205 bore size of outer layer porous plate are preferably Φ 20-40, and percent opening is preferably 40-60%；The bottom plate 207 is located at
2 lower part of separator on the nozzle of down-comer 202 at 100-300mm, is fixedly connected with the lower part of internal layer porous plate 203, such as
It can achieve a fixed connection and seal by modes such as welding；The down-comer 202 is located in the filtering table 208, each mistake
The preferred 1-3 of 202 quantity of down-comer in filter disc 208.
First discharge port 5 is located at separation equipment middle and upper part, as the gaseous substance discharge port isolated.
Second discharge port 6 is located among separation equipment bottom, as the liquid phase substance discharge port isolated.
Fischer-Tropsch synthetic separation equipment provided by the utility model is further described below by embodiment, but
Therefore the utility model is not any way limited.
Embodiment
In one embodiment of the utility model, separator 2 is separated by filtration unit by 4 and forms.Fischer-Tropsch synthesis
After condenser is cooling, the catalyst of gas-liquid mixture and entrainment enters after feed inlet 3 to be stepped into point synthesis gas through feed pipe 4
From device central cavity, fall on bottom plate 207.The gaseous component of entrainment heavy constituent drop, catalyst fines and water vapour is separating
It is flowed around in 2 central cavity of device, baffle groups 204, in baffle groups 204, gas phase is entered by internal layer porous plate 203
Substance flows in board group gap, after the heavy constituent drop of entrained catalyst fine powder therein encounters baffle plate, onboard condenses shape
It at drop, onboard flows downward into filtering table 208, separation equipment bottom is entered by down-comer 202, is gone out by second
Material mouth 6 flows out outside separation equipment；Gaseous substance, vapor fold flowing plate gap outflow outside porous plate 205, and along inner walls
The space formed between outer layer porous plate 205 is upward, is flowed out outside equipment by the first discharge port 5.And liquid phase substance and wherein
After the catalyst fines of entrainment enter baffle groups by internal layer porous plate 203, filtering table 208 is flowed downwardly into along baffling sheet separation
In, device bottom is flowed by down-comer 202, is flowed out outside equipment by the second discharge port 6.
In the present embodiment, Fischer-Tropsch synthesis product is about 260 DEG C, pressure 2.6MPaG, after cooler is cooling,
Temperature is down to 130 DEG C or so, and entrained catalyst fine powder content is about 50ppm.After separation equipment described in the utility model separation,
First discharge port catalyst fines concentration be 5ppm hereinafter, minute quantity carry secretly, the second discharge port catalyst concn be 50ppm with
Under, and the second discharge port material moisture is greatly reduced, heavy constituent can establish liquid level, meet and continuously send condition outside.
Claims (9)
1. a kind of Fischer-Tropsch synthesis product separation equipment, which is characterized in that the separation equipment include shell, feed inlet, into
Expects pipe, separator, the first discharge port and the second discharge port, wherein the feed inlet is arranged in case top, and the first discharge port is set
The side on top in the housing is set, the bottom of shell is arranged in the second discharge port, and the feed inlet, feed pipe and separator are coaxial
Ground is arranged inside housings and is sequentially connected logical；The side wall of the separator is divided by 4 or 4 or more vertically disposed filterings
From cell rings around forming, intermediate form cavity；The upper end of the separator makes separator and feed pipe airtight connection by top plate
And it is connected；The lower part of the separator is equipped with closed bottom plate；Unit lower end is each separated by filtration equipped with filtering table, and is filtered
Down-comer is equipped in disk.
2. separation equipment according to claim 1, which is characterized in that the unit that is separated by filtration includes from the inside to the outside successively
Internal layer porous plate, baffle groups and the outer layer porous plate of setting, the baffle groups are arranged in parallel by multiple baffle plates, and
It is fixed together by multiple stiffeners, formation is parallel to each other and evenly spaced more gas passages.
3. separation equipment according to claim 2, which is characterized in that the baffle plate is suppressed or is bent by stainless steel plate
Cross section is continuous or the batten of tool V-shaped groove at regular intervals, wave-shaped groove or regular isosceles trapezoid slot.
4. separation equipment according to claim 3, which is characterized in that the baffle groups width is 150-250mm, adjacent
Spacing between two baffle plates is 5-20mm.
5. separation equipment according to claim 4, which is characterized in that the internal layer porous plate has the first flanging, described
The length of first flanging is 80-130mm；The outer layer porous plate has the second flanging, and the length of second flanging is 40-
100mm。
6. separation equipment according to claim 5, which is characterized in that the bore size of the internal layer porous plate is Φ 10-
30, percent opening 50-75%；The bore size of the outer layer porous plate is Φ 20-40, percent opening 40-60%.
7. separation equipment according to claim 6, which is characterized in that the bottom plate is located at the upper end tube nozzle of the down-comer
100-300mm at.
8. separation equipment according to claim 7, which is characterized in that the quantity of down-comer is in each filtering table
1-3.
9. separation equipment according to claim 8, which is characterized in that the diameter of the shell is 3.5-4.2m, is highly
10.5-11.5m。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820844230.XU CN208642609U (en) | 2018-06-01 | 2018-06-01 | A kind of Fischer-Tropsch synthesis product separation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820844230.XU CN208642609U (en) | 2018-06-01 | 2018-06-01 | A kind of Fischer-Tropsch synthesis product separation equipment |
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| CN208642609U true CN208642609U (en) | 2019-03-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108525613A (en) * | 2018-06-01 | 2018-09-14 | 国家能源投资集团有限责任公司 | A kind of Fischer-Tropsch synthesis product separation equipment |
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2018
- 2018-06-01 CN CN201820844230.XU patent/CN208642609U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108525613A (en) * | 2018-06-01 | 2018-09-14 | 国家能源投资集团有限责任公司 | A kind of Fischer-Tropsch synthesis product separation equipment |
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