CN109929586A - A kind of hydrogenation reaction system - Google Patents
A kind of hydrogenation reaction system Download PDFInfo
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- CN109929586A CN109929586A CN201711349789.1A CN201711349789A CN109929586A CN 109929586 A CN109929586 A CN 109929586A CN 201711349789 A CN201711349789 A CN 201711349789A CN 109929586 A CN109929586 A CN 109929586A
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- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 68
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 79
- 239000001257 hydrogen Substances 0.000 claims abstract description 79
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 238000000926 separation method Methods 0.000 claims abstract description 55
- 238000001179 sorption measurement Methods 0.000 claims abstract description 46
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 17
- 230000023556 desulfurization Effects 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 48
- 239000000463 material Substances 0.000 claims description 45
- 239000007789 gas Substances 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 26
- 230000008569 process Effects 0.000 claims description 18
- 239000007792 gaseous phase Substances 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 11
- 239000003463 adsorbent Substances 0.000 claims description 9
- 230000008929 regeneration Effects 0.000 claims description 7
- 238000011069 regeneration method Methods 0.000 claims description 7
- 238000003795 desorption Methods 0.000 claims description 6
- 150000002431 hydrogen Chemical class 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000007791 liquid phase Substances 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims description 2
- 150000001721 carbon Chemical class 0.000 claims description 2
- 238000007667 floating Methods 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 239000002808 molecular sieve Substances 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 2
- 239000005864 Sulphur Substances 0.000 claims 1
- 230000006837 decompression Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 239000000047 product Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 238000000746 purification Methods 0.000 description 7
- 230000009466 transformation Effects 0.000 description 6
- 239000002904 solvent Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 4
- 238000007670 refining Methods 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007115 recruitment Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Abstract
The present invention discloses a kind of hydrogenation reaction system, and the hydrogenation reaction system is provided with reaction member, separative unit, desulfurization unit, recycle hydrogen liquid separation tank, adsorption separation unit and compression unit；The hydrogenation reaction system passes through setting adsorption separation unit, it can realize in the device and recycle hydrogen is purified, and it is used further to hydrogenation process, system circulation hydrogen outlet can be cancelled in this way, while eliminating the decompression generated during recycle hydrogen outlet and energy consumption caused by boosting during reuse again.
Description
Technical field
The present invention relates to oil-refining chemical fields, more particularly to a kind of hydrogenation reaction system with gas absorption separative unit
System.
Background technique
With the continuous improvement of crude oil in poor quality, oil quality upgrading and environmental requirement.Oil refining with it is right in chemical process
The demand of hydrogen is increasing.Hydrogen have been widely used be hydrocracked, hydrofinishing, the refining arts such as residual hydrogenation,
It is applied to the chemical processes such as octyl alconyl, xylene isomerization.Hydrogen is farthest efficiently utilizing the same of limited petroleum resources
When, important function is also played to the fuel oil of production low-sulfur, low nitrogen, low metal, while guaranteeing refinery device long period fortune
Row has irreplaceable role in terms of extending catalyst life.
In refinery hydrogenation process, since hydrogenation system pressure is certain, system hydrogen partial pressure can constantly be dropped with hydrogenation reaction
It is low.In order to guarantee system hydrogen partial pressure, can be realized by supplementing new hydrogen and improving two methods of circulation hydrogen purity.
In conventional hydro system, guarantee the hydrogen partial pressure of system in such a way that outlet recycle hydrogen and increase supplement new hydrogen.
After the recycle hydrogen of outlet is by decompression, turned again in new hydrogen system by hydrogen purification device.Due to existing hydrogen purification
Technology operating pressure, occupied area and in terms of deficiency, keep it purified from being directly integrated into recycle hydrogen
Cheng Zhong.
In patent CN 1642860A, the side of a uptake zone is fed into using the flashed vapour for obtaining high-pressure separator
Formula improves circulation hydrogen purity, and the method for the raising circulation hydrogen purity used is solvent absorption, solvent absorption plant area face
Product is big, needs constantly regenerating solvent and supplements fresh solvent, use of the solvent absorption due to multiple solution high-pressure pumps, running cost
With also be significantly larger than adsorption separation method.
In patent CN 101348235A, the hydrogen-rich that cold low point of separator obtains is improved using a hydrogen recovery system
Gas, the method for use can be UF membrane or alternating temperature/pressure swing adsorption method.
Summary of the invention
For the deficiencies in the prior art, the present invention provides a kind of hydrogenation reaction system, the hydrogenation reaction system
System can be realized in the device and purify to recycle hydrogen, and be used further to hydrogenation process by setting adsorption separation unit, in this way can be with
Cancel system circulation hydrogen outlet, while eliminating the decompression generated during recycle hydrogen outlet and being made with boosting during reuse again
At energy consumption.
The present invention provides a kind of hydrogenation reaction system, and the hydrogenation reaction system is provided with reaction member, separative unit, takes off
Sulphur unit, recycle hydrogen liquid separation tank, adsorption separation unit and compression unit；Wherein:
Reaction member obtains material after reaction member carries out hydrogenation reaction for receiving feedstock oil and hydrogen, feedstock oil and hydrogen
A；
Separative unit obtains gaseous phase materials B and liquid phase material C after material A separation for receiving the material A from reaction member；
The desulfurization unit obtains gaseous phase materials D for receiving the gaseous phase materials B from separative unit after processing；
The recycle hydrogen liquid separation tank obtains material E for receiving the gaseous phase materials D from desulfurization unit after processing；
The adsorption separation unit obtains material F for receiving the material E from recycle hydrogen liquid separation tank after processing；
The compression unit is used to adjust the pressure of the material F from adsorption separation device, then mixes with hydrogen make-up laggard
Enter hydrogenation reaction unit.
In hydrogenation reaction system of the present invention, more than one reactor, the reactor is arranged in the reaction member
It can be one or more of fixed bed hydrogenation reactor, boiling bed hydrogenation reactor, floating bed hydrogenation reactor.
In hydrogenation reaction system of the present invention, the separative unit, which can use in existing hydrogen addition technology, can be realized gas
Any one of the device of liquid separation, generally includes high pressure hot separator, thermal low-pressure separators, cold high pressure separator and cold low
One or more of separator.
In hydrogenation reaction system of the present invention, the desulfurization unit can use and can be realized will separate in the prior art
One of the device that sulfide removes in the gaseous phase materials that unit obtains, such as amine absorption method desulfurization in the prior art, film
Method desulfurization, absorption one or more of desulfurization and high gravity desulfurization.
In hydrogenation reaction system of the present invention, the adsorption separation unit includes shell, upper sealing sliding block, upper cover plate,
Lower sealing sliding block, lower cover plate and driving device, the shell include inner housing and outer housing, and inner housing forms concentric with outer housing
Tube-in-tube structure, the N number of Attraction block of setting (integral multiple that N is 4), the inner housing in the space between the inner housing and outer housing
Inside be arranged driving device；The shell upper end is connect with upper sealing sliding block, and upper sealing sliding block is connect with upper cover plate, upper cover plate
On be provided with raw material air inlet pipe and stripping gas exhaust pipe, the shell lower end is connect with lower sealing sliding block, below lower sealing sliding block
It is connect with lower cover plate, product gas exhaust pipe is provided on lower cover plate and along putting boost process connecting tube, it is described along putting boost process
Two mouths of connecting tube are respectively arranged between raw material air inlet pipe and stripping gas exhaust pipe.
In above-mentioned adsorption separation unit, the raw material air inlet pipe and product gas exhaust pipe are upper and lower corresponding relationship, same
On axis.
In above-mentioned adsorption separation unit, the shell is any one of shapes such as square, cylindrical body, cuboid, excellent
It is selected as cylindrical body.
In above-mentioned adsorption separation unit, the Attraction block can be the more of sphenoid, cylindrical body, cuboid or other forms
Side body, preferably cylindrical body.
In above-mentioned adsorption separation unit, the Attraction block is evenly arranged in the space between inner housing and outer housing.
In above-mentioned adsorption separation unit, the shape and inner housing and outer housing of the upper sealing sliding block and lower sealing sliding block it
Between space shape it is identical.
In above-mentioned adsorption separation unit, it is equipped on the upper sealing sliding block and lower sealing sliding block identical as absorption number of blocks
The hole of quantity, the shape in hole can be the shapes such as circle, ellipse, polygon.The upper sealing sliding block and lower sealing sliding block are used
Feed gas is accurately sent into specified Attraction block in providing, and keeps the independence between different Attraction blocks.
In above-mentioned adsorption separation unit, adsorption and separation material is filled in the Attraction block.The adsorption and separation material can
Think one of activated alumina adsorbents, silica type adsorbent, active carbon class adsorbent, molecular sieve adsorbent or more
Kind.
In above-mentioned adsorption separation unit, the driving device drives shell and upper sealing sliding block and lower sealing sliding block by setting
Program rotation, rotary motion trace are the concentric circles of shell.
The driving device is using rotation control motor.
In above-mentioned adsorption separation unit, upper sealing sliding block accurately send unstrpped gas into Attraction block for providing, and with
Lower sealing sliding block keeps the independence between different Attraction blocks together.
In above-mentioned adsorption separation unit, it is described along put boost process connecting tube for will in along put the Attraction block of state with
In after the desorption and regeneration of pressure-increasning state Attraction block connect, will be in along putting state by the aperture on lower sealing sliding block
The suitable deflation of Attraction block be directly discharged in the Attraction block after the regeneration boosted, whole process does not need additional control valve,
Thus the pressure loss during effectively reducing.
In above-mentioned adsorption separation unit, the product gas exhaust pipe is used for the purified gas that will be obtained after Attraction block is handled
Body is sent out, and the outlet of the product gas exhaust pipe is connected with purified-gas buffer tank, to guarantee output gas flow of gas and pressure
Stability.In the present invention, the product gas is sent directly into the compression unit in hydrogenation reaction system.
Compared with prior art, hydrogenation reaction system of the present invention has the advantages that (1) by using highly integrated
Adsorption separation unit, reproduced hydrogenation reaction system, realized in-situ purification of the recycle hydrogen in hydrogenation reaction system；(2)
The recycle hydrogen outlet in former hydrogenation system is eliminated, system hydrogen utilization efficiency is improved；(3) taking due to recycle hydrogen outlet
Disappear, cancels decompression during original recycle hydrogen outlet with boost process after purification, to reduce process energy consumption.The present invention
The combination for realizing recycle hydrogen purification with traditional hydrogenation reaction system, is effectively reduced process complexities, investment and energy consumption.
Detailed description of the invention
Fig. 1 is hydrogenation reaction system schematic diagram of the present invention.
Fig. 2 is adsorption separation unit structural schematic diagram of the present invention.
Fig. 3 is adsorption separation unit schematic diagram of internal structure.
Fig. 4 is upper sealing slide block structure schematic diagram.
Fig. 5 is lower sealing slide block structure schematic diagram.
Fig. 6 is upper cover plate structural schematic diagram.
Fig. 7 is lower cover plate structural schematic diagram.
Specific embodiment
Hydrogenation reaction system of the present invention is described in detail below.It should be understood that in described herein
Appearance is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Hydrogenation reaction system of the present invention is described further with reference to the accompanying drawing, as shown in Figure 1, the present invention provides
A kind of hydrogenation reaction system, the hydrogenation reaction system are provided with reaction member 11, separative unit 12, desulfurization unit 13, circulation
Hydrogen liquid separation tank 14, adsorption separation unit 15 and compression unit 16；Wherein reaction member 1 is used to receive feedstock oil 17 and hydrogen 25,
Feedstock oil 17 and hydrogen 25 obtain material A 19 after reaction member 11 carries out hydrogenation reaction；Separative unit 12 comes from for receiving
The material A 19 of reaction member 11, as shown in fig. 1, the separative unit include high pressure hot separator 121, cold high pressure separator
122, thermal low-pressure separators 123 and cold low separator 124, wherein material A 19 successively obtains after four separators separate
Gaseous phase materials B20 and liquid phase material C；The desulfurization unit 13 is handled for receiving the gaseous phase materials B20 from separative unit 12
After obtain gaseous phase materials D21；The recycle hydrogen liquid separation tank 14 is handled for receiving the gaseous phase materials D21 from desulfurization unit 13
After obtain material E22；The adsorption separation unit 15 obtains after processing for receiving the material E22 from recycle hydrogen liquid separation tank 14
To material F23；The compression unit 16 is used to adjust the pressure of the material F23 from adsorption separation unit 15, after adjusting pressure
Material 24 mixed with hydrogen make-up 18 after obtained hydrogen 25 enter hydrogenation reaction unit 11.
As shown in Fig. 2-Fig. 7, adsorption separation unit of the present invention includes shell 1, upper sealing sliding block 2, upper cover plate 3, under
Seal sliding block 4, lower cover plate 5 and driving device 6, the shell 1 includes inner housing 101 and outer housing 102, inner housing 101 and outer
Shell 102 forms concentric tube-in-tube structure, the N number of Attraction block 103 of setting in the space between the inner housing 101 and outer housing 102
(integral multiple that N is 4), the Attraction block 103 is evenly arranged in the space between inner housing and outer housing.The inner housing
Driving device 6 is arranged in 101 inside, and driving device 6 drives shell 1 and upper sealing sliding block 2 and lower sealing sliding block 4 by setup program
Rotation, rotary motion trace are the concentric circles of shell.1 upper end of shell is connect with upper sealing sliding block 2, is all provided on upper sealing sliding block 2
There is the hole 201 of quantity identical as 103 quantity of Attraction block, the shape in hole 201 can be the shapes such as circle, ellipse, polygon, on
Sealing sliding block 2 is connect with upper cover plate 3, and raw material air inlet pipe 301 and stripping gas exhaust pipe 302, the shell are provided on upper cover plate 3
1 lower end is connect with lower sealing sliding block 4, and the hole 401 of quantity identical as 103 quantity of Attraction block, hole are equipped on lower sealing sliding block 4
401 shape can be the shapes such as circle, ellipse, polygon, and lower sealing sliding block 4 is connect with lower cover plate 5 below, lower cover plate 5
On be provided with product gas exhaust pipe 501 and along putting boost process connecting tube 502, it is described along two mouths for putting boost process connecting tube
It is respectively arranged between raw material air inlet pipe 301 and stripping gas exhaust pipe 302.The raw material air inlet pipe 301 and product gas exhaust pipe
501 be upper and lower corresponding relationship, on the same axis.
It is above-mentioned in implementation explanation of the invention, the recycle hydrogen gas of purification is the cold high pressure separator from separative unit
The hydrogen-containing gas of discharge；Hydrogenation reaction system of the present invention can be equally used for by purifying from cold low separator
Outlet hydrogen-containing gas is as recycle hydrogen.However, not all hydrogenation reaction system product separative unit all includes above to state
High pressure hot separator, cold high pressure separator, thermal low-pressure separators and cold low separator described in bright, only for separative unit
Hydrogenation reaction system comprising wherein one or more separators, system of the present invention can equally purify outlet hydrogen
Body returns to reaction member as circulating hydrogen and uses.
The course of work of the adsorption separation unit of the present invention in a kind of hydrogenation reaction system is described below, within
It is illustrated for 4 Attraction blocks of filling between shell and outer housing, the adsorption separation unit includes the following steps: when working
(1), adsorption separation unit receives the gaseous stream E22 from recycle hydrogen liquid separation tank 14 as unit raw material gas.
(2), unstrpped gas (recycle hydrogen after de- liquid) is entered by raw material air inlet pipe 301 through the hole on upper sealing sliding block 2
In first Attraction block, unstrpped gas passes through Attraction block, Attraction block in unstripped gas lighter hydrocarbons and other impurity into
Row absorption, while circulation hydrogen purity is improved, the hydrogen after purification passes through product gas exhaust pipe 501 through the hole on lower sealing sliding block 4
Discharge, i.e. logistics F23.The impurity being adsorbed, which is then adsorbed, have been rested on the adsorbent material in Attraction block；
(3), after first Attraction block reaches degree of saturation state, driving device drives shell, upper sealing sliding block and lower sealing
Sliding block rotation, the Attraction block for completing adsorption process will enter along state is put, will remain in Attraction block in adsorption process
Product gas passes through suitable put in the Attraction block after boost process connecting tube is emitted into regeneration by the hole on lower sealing sliding block and is used for
To the Attraction block boosting after regeneration；
(4), it completes to enter desorption process along the Attraction block for letting off journey, the Attraction block of desorption and regeneration is needed to pass through upper sealing sliding block
On hole and 302 connection of stripping gas exhaust pipe.Desorption gas is emitted from Attraction block from bottom to top, is vented by stripping gas
302 carrying device of pipe, as logistics 26.Regenerated Attraction block is obtained after the completion of desorption；
(5), driving device further rotates, and regenerative adsorption block enters boost process, the regenerative adsorption block after completing boosting then into
Enter adsorption process next time；
(6), (the 2)~step that repeats the above steps (6), can be realized continuously running for device, continuous to purify recycle hydrogen gas.
Embodiment 1
Certain 500,000 tons/year are hydrocracked using VGO as main material production intermediate oil (jet fuel+diesel oil), device operation
Pressure 10MPa.Adsorption separation unit is added after the plant modification, using hydrogenation system as shown in Figure 1.
Before transformation, the new hydrogen molar concentration 95% of original device, recycle hydrogen molar concentration 78%, new hydrogen magnitude of recruitment 20000Nm3/ h,
Recycle hydrogen amount 50000Nm3/ h, high-pressure separator outlet hydrogen scale of construction 1200Nm3/h。
Device circulation hydrogen system is transformed using the present invention, after transformation, can will be followed by adsorption separation unit
Ring hydrogen purity is increased to 85%-95% by 78%.Adsorption separation unit is 95%-85% to hydrogen recovery rate.In view of hydrogen recovery rate
With system economy.Actual motion is increased to 88% for hydrogen purity is recycled, at this time hydrogen recovery rate about 94%.
The new hydrogen magnitude of recruitment reduction about 9% of system after transformation, adsorption separation unit outlet hydrogen-containing gas molar purity about 28.5%,
Outer discharge capacity about 8340Nm326 in/h, efflux gas, that is, Fig. 1.The system hydrogen variation of transformation front and back is as shown in table 1 below.
The system hydrogen variation of the transformation of table 1 front and back
As seen from the above table, the pure hydrogen amount saved after transformation is (20000-18200) * 0.95+936-2377=269Nm3/h.According to
1.2 yuan/Nm of hydrogen price3Calculate, year economic benefit be about 2,710,000 yuan.Do not consider also due to during recycle hydrogen outlet herein
Economic loss caused by boosting during caused pressure reduction and recycling.
Claims (19)
1. a kind of hydrogenation reaction system, the hydrogenation reaction system is provided with reaction member, separative unit, desulfurization unit, circulation
Hydrogen liquid separation tank, adsorption separation unit and compression unit；Wherein:
Reaction member obtains material after reaction member carries out hydrogenation reaction for receiving feedstock oil and hydrogen, feedstock oil and hydrogen
A；
Separative unit obtains gaseous phase materials B and liquid phase material C after material A separation for receiving the material A from reaction member；
The desulfurization unit obtains gaseous phase materials D for receiving the gaseous phase materials B from separative unit after processing；
The recycle hydrogen liquid separation tank obtains material E for receiving the gaseous phase materials D from desulfurization unit after processing；
The adsorption separation unit obtains material F for receiving the material E from recycle hydrogen liquid separation tank after processing；
The compression unit is used to adjust the pressure of the material F from adsorption separation device, then mixes with hydrogen make-up laggard
Enter hydrogenation reaction unit；
Wherein, adsorption separation unit includes shell, upper sealing sliding block, upper cover plate, lower sealing sliding block, lower cover plate and driving device,
The shell includes inner housing and outer housing, and inner housing forms concentric tube-in-tube structure, the inner housing and outer housing with outer housing
Between space in the N number of Attraction block of setting, driving device is arranged in the inside of the integral multiple that N is 4, the inner housing；The shell
Upper end is connect with upper sealing sliding block, and upper sealing sliding block is connect with upper cover plate, and raw material air inlet pipe and stripping gas are provided on upper cover plate
Exhaust pipe, the shell lower end are connect with lower sealing sliding block, are connect below lower sealing sliding block with lower cover plate, are provided on lower cover plate
Product gas exhaust pipe and along putting boost process connecting tube, it is described to be respectively arranged at raw material along two mouths for putting boost process connecting tube
Between air inlet pipe and stripping gas exhaust pipe.
2. according to hydrogenation reaction system described in claim 1, it is characterised in that: the raw material air inlet pipe is with product gas exhaust pipe
Upper and lower corresponding relationship, on the same axis.
3. according to hydrogenation reaction system described in claim 1, it is characterised in that: the shell is square, cylindrical body, cuboid
Any one of shape, preferably cylindrical body.
4. according to hydrogenation reaction system described in claim 1, it is characterised in that: the Attraction block is sphenoid, cylindrical body, rectangular
The polygonal body of body or other forms, preferably cylindrical body.
5. according to hydrogenation reaction system described in claim 1, it is characterised in that: the Attraction block is evenly arranged in inner housing and outer
In space between shell.
6. according to hydrogenation reaction system described in claim 1, it is characterised in that: the shape of the upper sealing sliding block and lower sealing sliding block
The shape in the space between shape and inner housing and outer housing is identical.
7. according to hydrogenation reaction system described in claim 1, it is characterised in that: on the upper sealing sliding block and lower sealing sliding block
Hole equipped with quantity identical as absorption number of blocks.
8. according to hydrogenation reaction system described in claim 7, it is characterised in that: the shape in hole is round, ellipse, polygon.
9. according to hydrogenation reaction system described in claim 1, it is characterised in that: be filled with adsorbing separation material in the Attraction block
Material.
10. according to hydrogenation reaction system described in claim 9, it is characterised in that: the adsorption and separation material is activated alumina
One of adsorbent, silica type adsorbent, active carbon class adsorbent, molecular sieve adsorbent are a variety of.
11. according to hydrogenation reaction system described in claim 1, it is characterised in that: the driving device drives shell and upper sealing
Sliding block and lower sealing sliding block rotate by setup program, and rotary motion trace is the concentric circles of shell.
12. according to hydrogenation reaction system described in claim 1, it is characterised in that: the driving device is using rotation control motor.
13. according to hydrogenation reaction system described in claim 1, it is characterised in that: above seal sliding block for providing unstrpped gas
It accurately send into Attraction block, and keeps the independence between different Attraction blocks together with lower sealing sliding block.
14. according to hydrogenation reaction system described in claim 1, it is characterised in that: it is described along put boost process connecting tube for will
It is connected in the Attraction block along state of putting with the Attraction block after the desorption and regeneration of pressure-increasning state is in, passes through lower sealing sliding block
On aperture will be in the Attraction block that the suitable deflation along the Attraction block of putting state is directly discharged to after the regeneration boosted.
15. according to hydrogenation reaction system described in claim 1, it is characterised in that: the outlet of the product gas exhaust pipe is connected with
Purified-gas buffer tank.
16. according to hydrogenation reaction system described in claim 1, it is characterised in that: the reaction member setting is more than one anti-
Answer device.
17. according to hydrogenation reaction system described in claim 16, it is characterised in that: the reactor is fixed bed hydrogenation reaction
One or more of device, boiling bed hydrogenation reactor, floating bed hydrogenation reactor.
18. according to hydrogenation reaction system described in claim 1, it is characterised in that: the separative unit include high pressure hot separator,
One or more of thermal low-pressure separators, cold high pressure separator and cold low separator.
19. according to hydrogenation reaction system described in claim 1, it is characterised in that: the desulfurization unit is de- using amine absorption method
Sulphur, Membrane Desulphurization, absorption one or more of desulfurization and high gravity desulfurization.
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| CN201711349789.1A CN109929586B (en) | 2017-12-15 | 2017-12-15 | Hydrogenation reaction system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113929056A (en) * | 2020-06-29 | 2022-01-14 | 中国石油化工股份有限公司 | System for preparing hydrogen for fuel cell vehicle by utilizing refined hydrogen-containing gas |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101139088A (en) * | 2007-08-10 | 2008-03-12 | 西安交通大学 | Rotating molecular sieve minisize pressure swing adsorption oxygen making device |
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| CN101432557A (en) * | 2006-05-02 | 2009-05-13 | 帝人制药株式会社 | Rotary valve and adsorption separation device |
| CN101139088A (en) * | 2007-08-10 | 2008-03-12 | 西安交通大学 | Rotating molecular sieve minisize pressure swing adsorption oxygen making device |
| CN202529839U (en) * | 2012-05-18 | 2012-11-14 | 海南汉地阳光石油化工有限公司 | High-pressure static bed recycle hydrogen dry desulphurization control system |
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| CN113929056A (en) * | 2020-06-29 | 2022-01-14 | 中国石油化工股份有限公司 | System for preparing hydrogen for fuel cell vehicle by utilizing refined hydrogen-containing gas |
| CN113929056B (en) * | 2020-06-29 | 2023-03-10 | 中国石油化工股份有限公司 | System for preparing hydrogen for fuel cell vehicle by utilizing refined hydrogen-containing gas |
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| CN109929586B (en) | 2021-06-04 |
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