CN205462147U - Diameter of axle is to isothermal reactor - Google Patents
Diameter of axle is to isothermal reactor Download PDFInfo
- Publication number
- CN205462147U CN205462147U CN201620081671.XU CN201620081671U CN205462147U CN 205462147 U CN205462147 U CN 205462147U CN 201620081671 U CN201620081671 U CN 201620081671U CN 205462147 U CN205462147 U CN 205462147U
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- barrel
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Abstract
The utility model relates to a diameter of axle is to isothermal reactor, including the casing that is equipped with gas access and gas outlet, the first barrel in the casing is established to the cover, and the second barrel in first barrel is established to the cover, has airflow channel between first barrel and the casing, support piece goes up and lies in between first insulating layer and the second septum thermosphere including the first barrel setting, and the equipartition has a plurality of intercommunication airflow channel and a cylinder cavity's inlet port on the lateral wall of first barrel, the interval is equipped with a plurality of gas collection holes on the lateral wall of second barrel, and the last port of second barrel seals, lower port intercommunication the gas outlet, still be equipped with at least one cooling unit in its characterized in that reaction zone, pipeline, cooling unit's exit linkage output pipeline is imported to cooling unit's entry linkage refrigerant. The utility model discloses can in time remove reaction heat, effective controlled reaction district temperature for the reaction is gone on towards the positive direction, and the pressure drop can effectively be avoided to the feeding to the diameter of axle simultaneously, the unsettled problem of having solved the thermal energy that sets up of reaction zone.
Description
Technical field
This utility model relates to chemical industry equipment, refers specifically to a kind of Axial and radial isothermal reactor.
Background technology
Transformationreation is by CO and H2O generates CO under catalyst action2And H2Exothermic reaction, existing technique
In, reactor is generally adiabatic reactor.In order to avoid the overtemperature of reactor, generally use high WGR and low aqueous vapor
Two kinds of techniques of ratio, but the highest WGR flow process or low WGR flow process, be all not fee from bed temperature significantly
Degree improves.Owing to molecular balance is limited by reaction temperature, for conversion exothermic reaction, act, higher than catalyst, temperature of living in temperature
On the basis of degree, temperature is the lowest more is conducive to reaction to carry out to positive direction.Therefore to driving a reaction is carried out to positive direction,
Have to pass through one section of adiabatic reactor, then lower the temperature, continue reaction, until reaction depth meets Production requirement.
So, existing adiabatic transformationreation flow process, it is all multistage reaction, multistage cooling, all there is too long in flow, pressure
Excessive problem drops.
For overcoming disadvantages described above, CN102059078A proposes " a kind of isothermal radial shift-converter ", and it is by heat exchange
Device and reactor integrate.Integrated heat exchanger in the reactor is fixed tube sheet type, has one between two pieces of tube sheets
Catalyst frame, catalyst distribution forms in space in tube sheet and catalyst frame.The entrance at unstripped gas top enters reactor,
Enter beds by the annular space spatial radial between catalyst frame and reactor, then gone out reactor by central canal.Instead
Heat should be removed reactor by the heat exchanger tube being distributed in beds.It is too high that isothermal design solves reaction bed temperature
Problem.Radial design can suitably increase draw ratio while meeting pressure drop, thus solve in large-scale device due to
Large-minded, Catalyst packing is many, the problem that reactor transfinites.
CN103071431A discloses " a kind of axial-radial flow reactor structure for sulfur resistant conversion process ", and it includes shell
Body, the top of housing is provided with air flow inlet, and the bottom of housing is provided with air stream outlet；It is characterized in that this structure of reactor also
Including the first gas distributor, enter after air-flow is carried out secondary redistribution beds second gas distribution
Device, between outer cylinder body and the inwall of described housing of the second gas distributor between be separated with gap, and be arranged on the second gas and divide
Gas collector in cloth device；Between being separated with between capping and the cover net of the first gas distributor of the second gas distributor
Gap；Second gas distributor be also arranged above grid, be filled with between described grid and described cover net and be made up of flame-proof sphere
The second thermal insulation layer.This reactor has that wall temperature is low, pressure drop is low, device diameters is little, catalyst dead band is little, reaction
Device space availability ratio is high, equipment material requires the features such as low, weight of equipment is light, but the problem yet suffering from reacting overtemperature.
Summary of the invention
Technical problem to be solved in the utility model is that the present situation for prior art provides one can effectively control catalysis
Agent bed temperature and the Axial and radial isothermal reactor that pressure drop is low, space availability ratio is high.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is: this Axial and radial isothermal reactor, including:
Housing, the top of housing is provided with gas access, and the bottom of housing is provided with gas outlet；
First cylinder, is set in described housing, and and the inwall of housing between there is gap, this gap formed connection institute
State the gas channel of gas access；First cylinder is arranged on inner support member, and described inner support member is arranged on described housing
On inwall；First thermal insulation layer is filled in the bottom of described housing and is positioned at the lower section of described first cylinder；First cylinder upper
Port is provided with the second thermal insulation layer, the sidewall of the first cylinder is evenly equipped with in the described gas channel of multiple connection and the first cylinder
The air inlet in chamber；
Second cylinder, is set in described first cylinder, its sidewall is interval with multiple gas collection hole, the second cylinder upper
Port closed, lower port connects described gas outlet；
It is reaction zone between described first cylinder and the second cylinder；
Being additionally provided with at least one cooling unit in it is characterized in that described reaction zone, the entrance of described cooling unit connects coolant
Input channel, the outlet of described cooling unit connects output channel.
Preferably, described cooling unit has multiple, is disposed on the reaction zone between described first cylinder and the second cylinder
In.
The structure of cooling unit can have multiple, and preferably, described cooling unit includes being disposed longitudinally in described reaction zone
Chamber, each described chamber is radially arranged centered by described second cylinder；The entrance of each described chamber is all connected with institute
Stating input channel, the outlet of each described chamber is all connected with described output channel；Each described cooling unit is arranged on support,
Described support is horizontally installed in described housing.
The projection of multiple described chamber it is interval with on the inwall of described chamber.Protruding arranges the turbulent flow that can increase fluid,
Improving heat transfer efficiency, in the case of reaching equal heat output, heat exchange area is less, economization equipment investment.
Described projection can have various structures, preferably, can weld by both sides inwall relative for described chamber to welding
Point is described projection.
As improvement, described input channel includes the input endless tube being arranged in described housing, and described input endless tube connects
Having input branched pipe, described input branched pipe connects the entrance of described cooling unit, and described input endless tube is also associated with many
Connecting the refrigerant pipe of out-of-bounds coolant, each described refrigerant pipe is distributed on described input endless tube；
Described output channel includes the output endless tube being arranged in described housing, and described output endless tube connects output branch
Pipe, described delivery pipe branch connects the outlet of described cooling unit, and described output endless tube is also associated with many by after heat exchange
Coolant sends riser out-of-bounds, and each described riser is uniform along described input endless tube.This structure coolant turnover flow velocity fast and
Uniformly, good effect of heat exchange.
The interlude of each described riser can be expansion joint.The program can effectively solve the thermal expansion problem of riser.
In view of the reactor of different size, the most large-sized reactor, each interregional extent of reaction is different, puts
Enthusiasm condition is the most different, and described cooling unit can have many groups, and often group includes multiple cooling unit, and each group cooling unit is respectively
Interval is arranged in different sub-reaction zones, and each described sub-reaction zone is sequentially arranged along the radial direction of described reaction zone.
In often each described cooling unit in group is distributed on each self-corresponding sub-reaction zone.
This utility model, by arranging heat exchanger channels in reaction zone, removes reaction heat such that it is able to effectively control in time
Reaction zone temperature so that reaction is carried out towards positive direction, Axial and radial charging simultaneously can be prevented effectively from pressure drop, and react
The unsettled setting in district efficiently solves the problem of thermal expansion in course of reaction.
Accompanying drawing explanation
Fig. 1 is longitudinal cross-sectional schematic of this utility model embodiment 1；
Fig. 2 is the horizontal cross-sectional schematic of this utility model embodiment 1；
Fig. 3 is the transverse sectional view of heat exchanger channels in this utility model embodiment 1；
Fig. 4 is the transverse sectional view of this utility model embodiment 1 middle chamber；
Fig. 5 is the transverse sectional view of this utility model embodiment 2
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
Embodiment 1
As shown in Figures 1 to 4, this Axial and radial isothermal reactor, including:
Housing 1, including interlude cylinder 13 and the upper cover 14 and the low head 15 that are connected to cylinder two ends, it is also possible to root
According to needing to select the housing of other structure in prior art；The top of the housing i.e. top of upper cover is provided with gas access 11,
The bottom of the housing i.e. bottom of low head is provided with gas outlet 12.
First thermal insulation layer 4, is filled in low head 15, including heat-resisting fireball 41 and first catalyst on upper strata of bottom
Layer 42.
Inner support member 6, the present embodiment is for supporting ring flat-plate, and transverse weld, in housing 1, is positioned at the first catalyst layer 42
Top, be used for supporting connection the first cylinder 2.Support and be sequentially filled flame-proof sphere from bottom to top between ring flat-plate and low head
Layer 41 and catalyst layer 42, two form the first thermal insulation layer 4.
First cylinder 2, in being set in cylinder 13 and be arranged in inner support member (not shown), inner support member is even
Be connected on the inwall of housing, and and the inwall of housing between there is gap, this gap formed gas channel 21, gas channel
21 connection upper cover inner chambers, upper cover inner space gas access 11.In order to make unstripped gas be more evenly distributed, Ke Yi
Gas distributor (not shown) is set on gas access 11.Multiple connection air-flow it is evenly equipped with on the sidewall of the first cylinder
Passage 21 and the air inlet 22 of the first cylinder lumen.
Second thermal insulation layer 7, for fire-resistant layers of balls, heap is located between the baffle plate 71 of beds and hollow out；Baffle plate 71 sets
Put in the upper port of the first cylinder 3, and and the inwall of housing between there is gap.
Second cylinder 3, is used for collecting synthesis gas and being sent housing, is set in the first cylinder 2, and its upper port is sealed
Closing, its sidewall is interval with multiple gas collection hole 31, its lower port connects gas outlet 12 through the first thermal insulation layer 4.
The height of the second cylinder 3 is less than cooling unit 5.
It is filled with catalyst between first cylinder and the second cylinder, forms reaction zone.
Cooling unit 5, has multiple, for removing the heat in beds in time, including being disposed longitudinally on reaction zone
Interior multiple chambers 51, each chamber 51 is radially arranged centered by the second cylinder 3；Chamber in the present embodiment by
Two pieces of vertically arranged steel plate 54 butt welding form, and are interval with multiple protruding 53 on the internal face that chamber is relative,
Protruding structure can have multiple, and for example with projection, the projection in the present embodiment is the solder joint in chamber interior, is used for
Disturbance coolant, forms turbulent flow, improves heat-transfer effect.The upper end of each chamber is provided with outlet, and outlet connects output channel 52.
Output channel 52 includes the output endless tube 521 being arranged in housing 1, and output endless tube connects delivery pipe branch 522,
Delivery pipe branch 522 connects the outlet of cooling unit, and output endless tube 521 is also associated with many and is sent by coolant after heat exchange
Riser 523 out-of-bounds, each riser is uniform along output endless tube 521；The middle part of each riser is expansion joint 524.
In the present embodiment, this cooling unit supports and is arranged on support 54.Support 54 is that transverse weld is on low head inwall
" well " font support.
The lower end of each chamber is provided with refrigerant inlet, and each refrigerant inlet is all connected with input channel 51.Input channel 51 includes setting
Putting the input endless tube 511 in housing 1, input endless tube connects and has input branched pipe 512, input branched pipe 512 is even
Connecing the entrance of cooling unit, input endless tube 511 is also associated with the many refrigerant pipes 513 connecting out-of-bounds coolant, each refrigerant pipe
It is distributed on input endless tube 511.
Unstripped gas enters in gas distributor via gas access, after gas distributor for the first time distribution, enters upper cover
In, fraction enters gas channel, via each air inlet via the second thermal insulation layer axially into reaction zone, major part air-flow
Hole enters in reaction zone, and in course of reaction, produced heat, is taken away in time by the coolant in each cooling unit, reaction
The synthesis gas generated enters in the second cylinder via each gas collection hole, discharges housing from lower gas outlet.
Due to by unsettled for whole reaction zone setting, and on riser, it is provided with expansion joint, efficiently solves isothermal reactor
In the thermal expansion problem that causes due to temperature difference.
Embodiment 2
As it is shown in figure 5, the cooling unit 5 ' in the present embodiment has two groups, often organize and all include multiple cooling unit 5 '.Instead
Answering the sub-reaction zone that district is divided into two to be sequentially arranged in radial directions, the cooling unit of each group is respectively separated and is arranged in correspondence
Sub-reaction zone in.
Specification according to reactor, it is also possible to more sub-reaction zones are set.
This structure can more uniformly move heat according to the heat release situation of conversion zone, and reaction controlling is more preferable.
Remaining content is same as in Example 1.
Claims (9)
1. an Axial and radial isothermal reactor, including:
Housing (1), the top of housing (1) is provided with gas access (11), and the bottom of housing is provided with gas outlet (12)；
First cylinder (2), in being set in described housing (1), and and the inwall of housing between there is gap, this gap is formed
Connect the gas channel (21) of described gas access (11)；First cylinder (2) is arranged on inner support member, described inner support member
It is arranged on the inwall of described housing；First thermal insulation layer (4) is filled in the bottom of described housing and is positioned at described first cylinder 2
Lower section；The upper port of the first cylinder is provided with the second thermal insulation layer, and the sidewall of the first cylinder is evenly equipped with described in multiple connection
The air inlet (22) of gas channel (21) and the first cylinder lumen；
Second cylinder (3), in being set in described first cylinder (2), its sidewall is interval with multiple gas collection hole (31), and second
The upper port of cylinder is closed, and lower port connects described gas outlet (12)；
It is reaction zone between described first cylinder 2 and the second cylinder 3；
Being additionally provided with at least one cooling unit (5,5 ') in it is characterized in that described reaction zone, the entrance of described cooling unit is even
Connecing coolant input channel (51), the outlet of described cooling unit connects output channel (52).
Axial and radial isothermal reactor the most according to claim 1, it is characterised in that described cooling unit (5,5 ') has
Multiple, it is disposed in the reaction zone between described first cylinder (2) and the second cylinder (3).
Axial and radial isothermal reactor the most according to claim 2, it is characterised in that described cooling unit (5,5 ') wraps
Include the chamber (51) being disposed longitudinally in described reaction zone, each described chamber (51) centered by described second cylinder (3) in putting
Penetrate shape to arrange；The entrance of each described chamber is all connected with described input channel (51), and the outlet of each described chamber is all connected with described
Output channel (52)；Each described cooling unit is arranged on support (54), and described support (54) is horizontally installed on described housing (1)
In.
Axial and radial isothermal reactor the most according to claim 3, it is characterised in that on the inwall of described chamber (51)
It is interval with the projection (53) of multiple described chamber.
Axial and radial isothermal reactor the most according to claim 4, it is characterised in that the two side that described chamber is relative
To welding, the solder joint of docking is described projection (53).
6. according to the Axial and radial isothermal reactor described in claim 1 to 5 any claim, it is characterised in that described
Input channel (51) includes the input endless tube (511) being arranged in described housing (1), and described input endless tube connects input point
Arm (512), described input branched pipe (512) connects the entrance of described cooling unit, and described input endless tube (511) is also connected with
Having the many refrigerant pipes connecting out-of-bounds coolant (513), each described refrigerant pipe is distributed on described input endless tube (511)；
Described output channel (52) includes the output endless tube (521) being arranged in described housing 1, and described output endless tube connects
Delivery pipe branch (522), described delivery pipe branch (522) is had to connect the outlet of described cooling unit, described output endless tube (521)
Being also associated with the many risers (523) sent by coolant after heat exchange out-of-bounds, each described riser is along described output endless tube
(521) uniform.
Axial and radial isothermal reactor the most according to claim 6, it is characterised in that the interlude of each described riser
For expansion joint.
Axial and radial isothermal reactor the most according to claim 6, it is characterised in that described cooling unit has many groups,
Often group includes multiple cooling unit, and each group cooling unit is respectively separated and is arranged in different sub-reaction zones, and each described son is anti-
District is answered to be sequentially arranged along the radial direction of described reaction zone.
Axial and radial isothermal reactor the most according to claim 8, it is characterised in that often each described cooling in group is single
Unit is distributed in each self-corresponding sub-reaction zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620081671.XU CN205462147U (en) | 2016-01-27 | 2016-01-27 | Diameter of axle is to isothermal reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620081671.XU CN205462147U (en) | 2016-01-27 | 2016-01-27 | Diameter of axle is to isothermal reactor |
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| Publication Number | Publication Date |
|---|---|
| CN205462147U true CN205462147U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620081671.XU Active CN205462147U (en) | 2016-01-27 | 2016-01-27 | Diameter of axle is to isothermal reactor |
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| CN (1) | CN205462147U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105664804A (en) * | 2016-01-27 | 2016-06-15 | 中石化宁波工程有限公司 | Axial-radial isothermal reactor |
-
2016
- 2016-01-27 CN CN201620081671.XU patent/CN205462147U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105664804A (en) * | 2016-01-27 | 2016-06-15 | 中石化宁波工程有限公司 | Axial-radial isothermal reactor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |