CN206553480U - Coke-stove gas multistage integral type isothermal methanation reactor - Google Patents
Coke-stove gas multistage integral type isothermal methanation reactor Download PDFInfo
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- CN206553480U CN206553480U CN201720258829.0U CN201720258829U CN206553480U CN 206553480 U CN206553480 U CN 206553480U CN 201720258829 U CN201720258829 U CN 201720258829U CN 206553480 U CN206553480 U CN 206553480U
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- isothermal
- reactor
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- coke
- reaction
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- 238000006243 chemical reaction Methods 0.000 claims description 38
- 125000004122 cyclic group Chemical group 0.000 claims description 16
- 229910052573 porcelain Inorganic materials 0.000 claims description 8
- 239000007809 chemical reaction catalyst Substances 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000012856 packing Methods 0.000 abstract description 3
- 230000032258 transport Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 45
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 230000036632 reaction speed Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material 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
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
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- Industrial Gases (AREA)
- Coke Industry (AREA)
Abstract
The utility model discloses a kind of coke-stove gas multistage integral type isothermal methanation reactor, including isothermal reactor upper cover（10）, the isothermal reactor upper cover（10）Connect one section of isothermal reactor（20）, one section of isothermal reactor（20）Connect one section of blender（30）, one section of blender（30）Connect two sections of isothermal reactors（40）, two sections of isothermal reactors（40）Connect isothermal reactor low head（50）.The utility model is reasonable in design, and device fabrication is convenient, while reducing the length of the single part of reactor, is conducive to manufacturing, transports and assembled in situ, while can prevent because equipment is long, cause live Catalyst packing unqualified or block.
Description
Technical field
The utility model belongs to coke-stove gas isothermal methanation reactor technology field, specifically a kind of coke-stove gas one
Multistage shell and tube is without circulation isothermal methanation reaction unit.
Background technology
Coke-stove gas is the auxiliary product in coke production, mainly by hydrogen, carbon monoxide, carbon dioxide, methane
It is a kind of high-quality industrial chemicals with the gas componant such as nitrogen composition.Raising with China to environmental requirement, coke-stove gas is forbidden
Combustion (of oil) insitu is directly discharged, it is necessary to which progress, which is integrated, to be used, and at present, in the comprehensive Utilization Ways of coke-stove gas, methanation is
The most approach of economy and engineering reliability.So-called methanation, is exactly by the carbon monoxide and titanium dioxide in coke-stove gas
Carbon generates methane with hydrogen in the presence of catalyst.Methanation is a strong exothermal reaction, and this is to methanator
Propose high requirement.The main two kinds of technology paths of methanator, one is adiabatic reactor, i.e., first carry out methanation, then
Reaction heat is removed by drum.This kind of reaction temperature carries out reaction controlling more than 500 DEG C by recycle compressor, due to
Second of technology path is isothermal methanation reaction process, is shell and tube isothermal reactor.Load methanation in tube side to urge
Agent, is directly removed reaction heat by the steam in shell side.
The industrialization that although adiabatic style methanator has been carried out, but because reaction temperature is high, and need to pass through
Recycle compressor adds energy consumption of reaction the reacting dose and reaction speed that control, higher to equipment and materials and technological requirement,
Seeking catalyst has a good high temperature resistant, anti-carbon performance, and relative to heat-insulating reflection technique, isotherm formula methanation technology can be reduced
Equipment investment 30% ~ 50%, is greatly reduced energy consumption, improves reaction efficiency, simplification of flowsheet.But because isothermal reactor tubulation is long
Degree is longer, during the course of the reaction, and composition is different above and below coke-stove gas, and strong reaction degree is caused to deposit up and down there is also difference
In stress, heated inequality is also resulted in, and reaction tube has partial dot overheat and softened, and is vulnerable to corrosion.
Therefore, the reactor studied a kind of new controllable, energy-conservation and run steadily in the long term is conducive to promoting coke-stove gas system
The development and progress of Gas Industry.
The content of the invention
The purpose of this utility model is to provide a kind of coke-stove gas multistage integral type isothermal methanation reactor.
The utility model adopts the following technical scheme that realization：
A kind of coke-stove gas multistage integral type isothermal methanation reactor, including isothermal reactor upper cover, the isothermal
Reactor upper cover connects one section of isothermal reactor, and one section of isothermal reactor connects one section of blender, one section of mixing
Device connects two sections of isothermal reactors, and two sections of isothermal reactors connect isothermal reactor low head.
Setting oven gas entrance A, its side setting oven gas entrance B at the top of the isothermal reactor upper cover, described etc.
It is located in warm reactor upper cover above oven gas entrance B and pre-reaction catalyst filling zone is set.
One section of isothermal reactor side is provided with cyclic steam entrance a and cyclic steam outlet b, one section of isothermal
Reactor is provided with one section of isothermal reaction tubulation.
One section of blender side is provided with oven gas entrance C.
Two sections of isothermal reactors side is provided with cyclic steam entrance c and cyclic steam outlet d, two sections of isothermals
Reactor is provided with two sections of isothermal reaction tubulations.
The isothermal reactor low head internal upper part is porcelain ball filling area, and the isothermal reactor low head bottom surface, which is set, closes
Export and connected between D, syngas outlet D and porcelain the ball filling area by collector box into gas.
Because methanation reaction is strong exothermal reaction, reduction catalyst light-off temperature, Proper Match coke-stove gas C/Hratio,
Be conducive to the catalyst in differential responses filling different model, different performance, so that whole temperature of reactor distribution is more equal
It is even, can effective control section conversion zone methanation reaction.
During implementation, coke-stove gas from coke-stove gas with after vapor Hybrid Heating to pre-reaction catalyst light-off temperature, entering
Mouth A enters pre-reactor（Pre-reaction catalyst filling zone）It is middle to be reacted, with entering from coke-stove gas entrance B after the completion of reaction
The low temperature coke-stove gas entered is mixed, and is reacted subsequently into first paragraph isothermal reactor.Complete after reaction, reaction gas enters
Enter first paragraph blender, it is anti-into second segment isothermal after being mixed from the coke-stove gas entrance C low temperature coke-stove gas entered
Answer device to be reacted, complete after reaction, export D from coke-stove gas, enter subsequent processing.In the process, water vapour is distinguished
First paragraph and second segment isothermal reactor shell side are entered from steam entry a and steam entry c, reaction heat is taken away, respectively
Flowed out from steam outlet b and steam outlet d, into steam refrigerating work procedure.Whole technical process, according to the anti-of regional
Temperature and reaction speed are answered, coke-stove gas and steam vapour amount are adjusted, react fully progress.
The utility model has the following advantages that：
1st, the device single part size reduces, and reduces device fabrication difficulty and cost, is easy to transport and the dress of equipment
Match somebody with somebody；Methanation reaction process is more easily controlled, and the coke-stove gas being easy to reacts the regulation of load.
2nd, temperature of reactor field distribution is more uniformly distributed, and eliminates temperature difference stress in equipment, equipment operation is more stable can
Lean on.
3rd, coke-stove gas recycle unit is reduced, is changed to adjust by coke-stove gas inlet flow rate, reduces energy consumption, is saved
Resource.
4th, when a certain tubulation of reactor is damaged, as long as worse single part, it is not necessary to change whole isothermal reactors, dimension
It is convenient to repair, cost reduction.
The utility model is reasonable in design, and device fabrication is convenient, while reducing the length of the single part of reactor, is conducive to
Manufacture, transport and assembled in situ, while can prevent because equipment is long, cause live Catalyst packing unqualified or block.
Brief description of the drawings
Fig. 1 represents structural representation of the present utility model.
In figure：10- isothermal reactor upper covers, 11- oven gas entrance A, 12- oven gas entrance B, 13- pre-reaction catalysis
Agent filling area；Mono- section of isothermal reactor of 20-, mono- section of cyclic steam entrance b, 23- of mono- section of 21- mono- section of cyclic steam entrance a, 22-
Isothermal reaction tubulation；Mono- section of blender of 30-, 31- oven gas entrances C；Bis- sections of isothermal reactors of 40-, bis- sections of cyclic steams of 41- enter
Mouth c, 42- bis- sections of cyclic steam entrances d, 43-, bis- sections of isothermal reaction tubulations；50- isothermal reactor low heads, the filling of 51- porcelain ball
Area, 52- collector boxs, 53- syngas outlets D.
Embodiment
The utility model specific embodiment is described in detail below in conjunction with the accompanying drawings.
A kind of coke-stove gas multistage integral type isothermal methanation reactor, including reactor upper cover and pre-reactor,
One section of isothermal reactor, first paragraph blender, second segment isothermal reactor and equipment low head.
Specific attachment structure is as shown in figure 1, isothermal reactor upper cover 10 connects one section of isothermal reaction by flange arrangement
Device 20, one section of isothermal reactor 20 connects one section of blender 30 by flange arrangement, and one section of blender 30 passes through method
Blue structure connects two sections of isothermal reactors 40, and two sections of isothermal reactors 40 are connected by flange arrangement and sealed under isothermal reactor
First 50.
As shown in figure 1, the top of isothermal reactor upper cover 10 sets oven gas entrance A 11, its side to set coke oven
It is located at the tops of oven gas entrance B 12 in gas entrance B 12, the isothermal reactor upper cover 10 and pre-reaction Catalyst packing is set
Area 13.
As shown in figure 1, one section of isothermal reactor 20 side is provided with cyclic steam entrance a 21 and cyclic steam goes out
Mouth b 22, one section of isothermal reactor 20 is provided with one section of isothermal reaction tubulation 23.
As shown in figure 1, one section of blender 30 side is provided with oven gas entrance C 31.
As shown in figure 1, two sections of isothermal reactors 40 side is provided with cyclic steam entrance c 41 and cyclic steam goes out
Mouth d 42, two sections of isothermal reactors 40 are provided with two sections of isothermal reaction tubulations 43.
As shown in figure 1, the internal upper part of isothermal reactor low head 50 is porcelain ball filling area 51, under the isothermal reactor
The bottom surface of end socket 50 is set passes through collector box 52 between syngas outlet D 53, syngas outlet D 53 and porcelain the ball filling area 51
Connection.
When it is implemented, coke-stove gas and vapor Hybrid Heating are to after pre-reaction catalyst light-off temperature, from coke-oven coal
Gas entrance A 11 is entered to be reacted in pre-reaction catalyst filling zone 13, after the completion of reaction with from coke-stove gas entrance B 12
The low temperature coke-stove gas of entrance is mixed, and is carried out instead subsequently into one section of isothermal reaction tubulation 23 of one section of isothermal reactor 20
Should.Complete after reaction, reaction gas enters one section of blender 30, with entering from the low temperature coke-stove gas entered of coke-stove gas entrance C 31
After row mixing, reacted, completed after reaction into two sections of isothermal reactors 40, through the porcelain ball filling area 51 of low head 50,
Into collector box 52, from coke-stove gas outlet, D 53 enters subsequent processing.In the process, water vapour enters from vapor respectively
Mouth a 21 and steam entry c41 enters one section and two sections of isothermal reactor shell sides, takes away reaction heat, goes out respectively from vapor
Mouth b 22 and steam outlet d 42 flows out, into steam refrigerating work procedure.Whole technical process, according to the reaction temperature of regional
Degree and reaction speed, coke-stove gas and steam vapour amount are adjusted, react fully progress.
Above example is merely to illustrate the technical solution of the utility model and unrestricted, although with reference to preferred embodiments to this
Utility model is described in detail, it will be appreciated by those skilled in the art that the technical scheme that can use for reference utility model is carried out
Modification or equivalent substitution, without departing from it is of the present utility model in a word and scope, be regarded as being included in the right of utility model
Within claimed range.
Claims (1)
1. a kind of coke-stove gas multistage integral type isothermal methanation reactor, it is characterised in that：Including isothermal reactor upper cover
（10）, the isothermal reactor upper cover（10）Connect one section of isothermal reactor（20）, one section of isothermal reactor（20）Even
Connect one section of blender（30）, one section of blender（30）Connect two sections of isothermal reactors（40）, two sections of isothermal reactors
（40）Connect isothermal reactor low head（50）；
The isothermal reactor upper cover（10）Top sets oven gas entrance A（11）, its side oven gas entrance B is set
（12）, the isothermal reactor upper cover（10）It is interior to be located at oven gas entrance B（12）Top sets pre-reaction catalyst filling zone
（13）；
One section of isothermal reactor（20）Side is provided with cyclic steam entrance a（21）B is exported with cyclic steam（22）, it is described
One section of isothermal reactor（20）One section of isothermal reaction tubulation is installed（23）；
One section of blender（30）Side is provided with oven gas entrance C（31）；
Two sections of isothermal reactors（40）Side is provided with cyclic steam entrance c（41）D is exported with cyclic steam（42）, it is described
Two sections of isothermal reactors（40）Two sections of isothermal reaction tubulations are installed（43）；
The isothermal reactor low head（50）Internal upper part is porcelain ball filling area（51）, the isothermal reactor low head（50）Bottom
Face sets syngas outlet D（53）, the syngas outlet D（53）With porcelain ball filling area（51）Between pass through collector box（52）Even
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720258829.0U CN206553480U (en) | 2017-03-17 | 2017-03-17 | Coke-stove gas multistage integral type isothermal methanation reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720258829.0U CN206553480U (en) | 2017-03-17 | 2017-03-17 | Coke-stove gas multistage integral type isothermal methanation reactor |
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| Publication Number | Publication Date |
|---|---|
| CN206553480U true CN206553480U (en) | 2017-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720258829.0U Expired - Fee Related CN206553480U (en) | 2017-03-17 | 2017-03-17 | Coke-stove gas multistage integral type isothermal methanation reactor |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109289713A (en) * | 2018-10-18 | 2019-02-01 | 辽宁石油化工大学 | A kind of mosquito-repellent incense coil pipe isothermal reactor and application method |
-
2017
- 2017-03-17 CN CN201720258829.0U patent/CN206553480U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109289713A (en) * | 2018-10-18 | 2019-02-01 | 辽宁石油化工大学 | A kind of mosquito-repellent incense coil pipe isothermal reactor and application method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 |
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| CF01 | Termination of patent right due to non-payment of annual fee |