CN103846062B - Tube bundle reactor - Google Patents
Tube bundle reactor Download PDFInfo
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- CN103846062B CN103846062B CN201310620890.1A CN201310620890A CN103846062B CN 103846062 B CN103846062 B CN 103846062B CN 201310620890 A CN201310620890 A CN 201310620890A CN 103846062 B CN103846062 B CN 103846062B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/06—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/008—Details of the reactor or of the particulate material; Processes to increase or to retard the rate of reaction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/06—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes
- B01J8/067—Heating or cooling the reactor
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/20—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
- C07C47/21—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
- C07C47/22—Acryaldehyde; Methacryaldehyde
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
- C07C57/02—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
- C07C57/03—Monocarboxylic acids
- C07C57/04—Acrylic acid; Methacrylic acid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00796—Details of the reactor or of the particulate material
- B01J2208/00823—Mixing elements
- B01J2208/00831—Stationary elements
- B01J2208/00849—Stationary elements outside the bed, e.g. baffles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00796—Details of the reactor or of the particulate material
- B01J2208/00938—Flow distribution elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00245—Avoiding undesirable reactions or side-effects
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The present invention relates to a kind of tube bundle reactor,It is used for the gas phase reaction for performing catalysis,It is with bundle of reaction tubes (it is flowed through filled with catalyst and by reacting gas in operation),Gas inflow side and gas-outlet side ttom of pipe,(it surrounds tube bank and is hermetically connected with ttom of pipe to construct shell chamber with ttom of pipe reactor enclosure,Reaction tube is washed away by thermophore around in operation in shell chamber),The ttom of pipe of gas-outlet side is with least one first ttom of pipe intercept occupied by tube bank and with least one second ttom of pipe intercept without tube bank,At least one first gas outflow chamber intercept (it aligns with the first ttom of pipe intercept) in gas flows out chamber be present and at least one second gas outflow chamber intercept (its alignd with the second ttom of pipe intercept and have dead space) be present,And with least one guiding device being arranged in second gas outflow chamber intercept,It is configured so that it enters the part conductance of the reacting gas flowed out from reaction tube in dead space from first gas outflow chamber intercept.
Description
Technical field
The present invention relates to a kind of tube bundle reactor of preamble according to claim 1.
Background technology
Such tube bundle reactor is for example as known to the B2 of file US 7,554,836 and the A1 of WO 2008/009466.At this
It is proposed pressing body (Verdraengungskorper) being arranged in gas outflow chamber (Gasaustrittsraum) in a little files
With in the intercept of the region alignment without pipe or without tube bank in shell chamber (Mantelraum).Pressing body prevents from flowing out from reaction tube
Reacting gas there in the dead space (Totraum) beside the reacting gas main flow of inflow gas outflow chamber.
In scope of the present application, concept " dead space " is understood as that the anti-in being flowed out from reaction tube of gas outflow chamber
Answer gas in the case of without guiding device by the intercept beside the flow path occupied, and so exist not in the dead space
Therefore the mobility status and reacting gas of restriction stop there longlyer so that result can cause undesirable side reaction.
The content of the invention
The present invention also based on prevent from reaction tube outflow reacting gas gas flow out chamber such dead space in not
The purpose of desired side reaction.
According to the present invention, thus the purpose is realized in the tube bundle reactor of the mentioned type of beginning, i.e., this is at least
One guiding device is configured so that it flows the part of the reacting gas flowed out from reaction tube from first gas outflow chamber intercept
(Teilstrom) import in dead space.
The part conductance of the reacting gas flowed out from reaction tube is guided to by gas by the measure according to the present invention and flows out chamber
The dead space not flowed through by reacting gas main flow in.(durchspuelen) is rinsed according to the part stream of present invention guiding thereunto
These are placed on the dead space on side and thus prevent reacting gas from staying there longlyer and carry out undesirable reaction.
In being advantageously improved in scheme for the present invention, at least one guiding device extends from second gas outflow chamber intercept
Flowed out into first gas in chamber intercept and the guiding device stretches into and causes it by the portion of the reacting gas flowed out from reaction tube
Shunting is imported in second gas outflow chamber intercept from first gas outflow chamber intercept.In this manner, can be pointedly from reaction gas
Desired part stream is intercepted in body main flow and it is deflected into dead space.
Preferably, at least one second ttom of pipe intercept is the inwall in tube bank and reactor enclosure (Reaktormantel)
Between ring-type ttom of pipe intercept and at least one guiding device be arranged so that it by reacting gas from being in suitable outside
Reaction tube import in the dead space in second gas that the ttom of pipe intercept with ring-type aligns outflow chamber intercept.Utilize these measures
Come the edge intercept of effectively flushing gas outflow chamber and the size of guiding device is kept as relatively small and guarantor at the same time
Most regions of gas outflow chamber are held without loading part (Einbauten).
In being advantageously improved in scheme for the present invention, in tube bundle reactor, (it has at the center of the ttom of pipe of gas-outlet side
Whether there is the ttom of pipe intercept of tube bank) in guiding device be arranged so that it imports reacting gas from the reaction tube for being in suitable the inside
In dead space in the second gas outflow chamber intercept to be alignd with the ttom of pipe intercept without tube bank of centre.Effectively rush in this way
The dead space beside reacting gas main flow of the centre of gas washing body outflow chamber, mainly flowed without influence reacting gas exhausted big
Part.
Preferably, at least one guiding device is configured to deflector.The form of implementation is extremely cost favourable, because manufacture
It is extremely small with assembly cost.
In the favourable design of the present invention, this deflector it is porous construct so that strike deflector
On reacting gas a part through deflector and a part is imported into dead space.Thus reacting gas master is also less influenceed
Stream, because it may pass through deflector.
Preferably, at least one guiding device can also be arranged only in second gas outflow chamber intercept and be face structure
(Flaechengebilde), it is beside dead space and longitudinally extending in reaction tube at least in its height and at least dead
There is gas inlet opening, its open cross-section respective design is into causing minimum velocity of liquid assets be present in the height of chamber
(Durchstroemungsgeschwindigkeit).Using these measures, chamber intercept is flowed out with restraining the first gas alignd
Keep entirely without loading part.
Here, face structure is preferably configured to pipe and is arranged in the second gas to be alignd with the ttom of pipe intercept without tube bank of centre
In body outflow chamber intercept and extend up to enter in the axial direction of the ttom of pipe of gas-outlet side and be arranged in across gas-outlet side
Ttom of pipe reactor cover (Reaktorhaube) in gas outflow adapter (Gasaustrittsstutzen) in.With this, with
It is simple and therefore the mode of cost advantages manufactures such face structure.
Preferably, the ttom of pipe of gas-outlet side forms the wall of gas outflow chamber and at least one guiding device is fixed on this
At ttom of pipe.In the same preferable form of implementation of the present invention, ttom of pipe and the reaction of the reactor cover across gas-outlet side
The wall and at least one guiding device of device cover arrangement gas outflow chamber are fixed at reactor cover.According to corresponding situation,
Such as the other loading part in flowing out chamber in gas, two solutions provide simple fixation for guiding device can
Can property.
Preferably, be used to manufacture (methyl) methacrylaldehyde and for manufacturing (methyl) third according to the tube bundle reactor of the present invention
Olefin(e) acid.
Brief description of the drawings
Next also the present invention is illustrated in detail with reference to the accompanying drawings in order to exemplary.Wherein：
Fig. 1 is shown with schematical diagram includes gas according to the first form of implementation of the tube bundle reactor of the present invention
Flow out the partial cross sectional of chamber；
Fig. 2 shows the diagram similar to Fig. 1 of the second form of implementation of the tube bundle reactor according to the present invention；And
Fig. 3 shows the diagram similar to Fig. 1 of the 3rd form of implementation of the tube bundle reactor according to the present invention；
Fig. 4 a show the top view of the embodiment to the guiding device according to the present invention；
Fig. 4 b show the right-angle view of the guiding device in Fig. 4 a；
Fig. 5 a show the diagram similar to Fig. 4 a of another embodiment of the guiding device according to the present invention (along Fig. 5 b
In line Va-Va)；
Fig. 5 b show the guiding device in Fig. 5 a in installment state；And
Fig. 6 shows the diagram similar to Fig. 1 of the 4th form of implementation of the tube bundle reactor according to the present invention.
Embodiment
The beam 2 of reaction tube 3 is had according to the embodiment being shown in the drawings of the tube bundle reactor 1 of the present invention, (is not shown
) gas inflow side and the ttom of pipe 4 of gas-outlet side, reactor enclosure 5, (unshowned) gas inflow side and gas outflow
The reactor cover 6 of side and the gas outflow chamber 7 with guiding device 8.
Reaction tube 3 is extended and shown with its pipe axis 9 vertically.12 reaction tubes 3 are only shown for the reason for clarity.
The actual quantity of reaction tube 3 is much bigger and can be more than 30000.
Reaction tube 3 is flowed through filled with catalyst material and by reacting gas 10 in reactor operation.In the implementation shown
In example, reacting gas 10 flows from the top down.
Reaction tube 3 is welded in the through hole of ttom of pipe 4 with its end part seal and leads to (unshowned) gas and flows into chamber
Or flowed out to gas in chamber 7.In the illustrated embodiment, the lower end of reaction tube 3 is the end of its gas-outlet side, and reaction is completed
Reacting gas 10 flowed out from the endwall flow to gas in chamber 7.
By the reactor cover 6 of gas-outlet side, (it is sealed the ttom of pipe 4 of gas-outlet side with reactor enclosure 5 and/or ttom of pipe 4
Ground connects) cross over.In its top area, there is reactor cover gas to flow out adapter 11.
The reactor cover 6 of gas-outlet side and the ttom of pipe 4 of gas-outlet side form the wall of gas outflow chamber 7.
Reactor enclosure 5 is surrounded tube bank 2 and hermetically welded with ttom of pipe 4.Reactor enclosure 5 limits shell chamber 12 jointly with ttom of pipe 4,
Reaction tube 3 washes away (umspuellen) by thermophore during reactor is run around wherein.
In the illustrated embodiment, constructed around reactor longitudinal axis 13 with restraining 2 respective annulars, it is carried in most
Without pipe or without tube bank the shell chamber intercept 14 of centre between the reaction tube 3a in face and diametrically it is in if necessary quite outer
Without pipe or without tube bank the annular chamber 15 of outside between the reaction tube 3b in face and the inwall of reactor enclosure 5.
Correspondingly, there is the ttom of pipe 4 (and ttom of pipe of gas inflow side) of gas-outlet side the ttom of pipe occupied by tube bank 2 to cut
(it is also otherwise known as the second ttom of pipe for 16 (it is also otherwise known as the first ttom of pipe intercept 16) of section and ttom of pipe intercept 17 without tube bank
Intercept 17).
Gas outflow chamber 7 has first gas outflow chamber intercept 18 (it aligns with the first ttom of pipe intercept 16) and second gas
Flow out chamber intercept 19 (it aligns with the second ttom of pipe intercept 17).
Second gas outflow chamber intercept 19 has so-called dead space 20 in terms of it, and it is in from the anti-of the outflow of reaction tube 3
Answer gas 10 in the case of no guiding device 8 by beside the flow path occupied.There will be do not limit in the dead space 20
Mobility status so that reacting gas 10 will stop there longlyer and result can produce undesirable side reaction.
In the embodiment illustrated in fig. 1, the guiding device 8 for being configured to deflector flows out chamber intercept 19 from second gas
(under its interjacent no pipe or the shell chamber intercept 14 of tube bank and correspondingly centre the ttom of pipe intercept 17 without tube bank it
Under, that is align) extend up to the two diametrically in the gas-outlet side of innermost reaction tube 3,3a
Under end, that is enter first gas outflow chamber intercept 18 (it is under tube bank 2, that is with the first ttom of pipe
Intercept 16 aligns) in.
Deflector 8 has two intercepts 21,22.First intercept 21 is longitudinally extending reaction tube 3 or reactor 1.Lead
Second intercept 22 of flowing plate 8 out obliquely extends, that is in the illustrated embodiment from the first intercept 21 towards ttom of pipe 4
Court, which is come out, from the first intercept 21 of deflector 8 extends upwardly to ttom of pipe 4.Correspondingly, from the two diametrically innermost
The second intercept 22 of reaction tube 3, the reacting gas 10 of 3a outflows along deflector 8 flow to above-mentioned second gas outflow chamber intercept
It is in 19 and (under the shell chamber intercept 14 or the second ttom of pipe intercept 17 of its interjacent no tube bank and adjacent into dead space 20 there
Meet the latter) in.
Deflector 8 can be fixed at the ttom of pipe 4 of gas-outlet side via fixing device 25, such as rod, pipe, pillar.
In embodiment shown in figure 2, additionally in the presence of the second deflector 8a, it flows out chamber from another second gas
(it is under no pipe or the annular chamber 15 of tube bank, that is in the ttom of pipe intercept of the ring-type without tube bank accordingly intercept 19
Under 17 or align) extend into the first gas outflow chamber intercept 18 to be alignd with tube bank 2.
Second deflector 8a extend up to diametrically be in outside reaction tube 3b gas-outlet side end it
Under.
Second deflector 8a also has two intercepts 23,24, and its first intercept 23 is in second gas outflow chamber intercept 19
In reaction tube 3 in other words reactor 1 longitudinally extending and its second intercept 24 is connected at the first intercept 23 and towards pipe
Bottom 24 is obliquely extended into first gas outflow chamber intercept 18 until being diametrically under the reaction tube 3b of outside.
Therefore the reacting gas 10 from first that will be flowed out along deflector 8a the second intercept 24 from these reaction tubes 3b
Gas outflow chamber intercept 18 is imported in second gas outflow chamber intercept 19.
Using the similar immobilising device of the first deflector with being arranged in centre, the second deflector 8a is also secured at ttom of pipe 4
Place.
In embodiment shown in figure 2, middle deflector 8 constructs porously.It has hole 26 or ventilative area
Domain, the part of reacting gas 10 flowable pass through deflector 8 through its so that from the two innermost reaction tubes 3,3a streams
The only part stream of the reacting gas 10 gone out is flow in second gas outflow chamber intercept 19 from first gas outflow chamber intercept 18.
In addition it is disposed with guide plate 27 on the side of ttom of pipe 4 at it.
Constructed porously in addition, the second deflector 8a is same so that from the reaction tube 3b streams for being diametrically in outside
The fractions of the reacting gas 10 gone out do not flow through the second deflector 8a.
In addition, the reactor cover 6 of gas-outlet side has manhole (Mannloch) 28 in this embodiment, assembler passes through
In its reachable gas outflow chamber 7, to perform assembling or maintenance work there.
Fig. 3 shows the embodiment similar to Fig. 1, wherein, the deflector 8 of centre is arranged in here by means of fixing device
29 are fixed at reactor cover 6.Figure 3 illustrates fixing device 29 can for example be embodied as four legs (Vierbein) so that it is anti-
Answer gas 10 unimpededly can flow to gas outflow adapter 11 through fixing device 29.
In addition, in the embodiment illustrated in figure 3, the transition 30 between first and second intercept 21,22 of deflector 8
It is embodied as arc.Here, arc radius, which is chosen to produce for flowing gas 10, flows favourable deflection.
Another form of implementation to guiding device 8 is shown in figs 4 a and 4b, it is arranged in and the middle pipe without tube bank
In the second gas outflow chamber intercept 19 that bottom intercept 17 aligns.In the form of implementation, guiding device 8 is configured to pipe, and it is at it
Extend or crimping is funnel 31 in face of the end of the ttom of pipe 4 of gas-outlet side is wavy on cross section.The pipe end of extension
31 are in the height of the dead space 20 in second gas outflow chamber intercept 19.Back to the end 32 of ttom of pipe 4 towards back to ttom of pipe 4
Extend sideways default length.
Cross sectional dimensions back to the pipe end 32 of ttom of pipe 4 is designed so that the pipe end is only in second gas outflow chamber intercept
Within 19, that is within reaction tube 3a innermost ring 33.And extend pipe end 31 extend into be in tube bank 2 it
Under first gas outflow chamber intercept 18 in so that inner side of the reacting gas 10 flowed out from reaction tube 3 along pipe extension 31
34 are guided in second gas outflow chamber intercept 19, wherein, pass through reaction gas of the wavy extension by shock there
Body 10 is shoveled in (hineinschaufeln) dead space 20.
Guiding device 8 can also be implemented multi-piece type.For example, the pipe intercept 32 not extended can be commercially available pipe and extend
The lath that can cut of intercept 31 by arc be made, two edge radially extended is aggregated together to construct funnel
And it is connected with each other.
In the embodiment shown in figs. 5 a and 5 b, each mozzle 35 extends to the from second gas outflow chamber intercept 19
In one gas outflow chamber intercept 18.In the illustrated example, mozzle 35 is diametrically opposed in reactor longitudinal axis with star
13 extensions.Mozzle 35 is in the second gas outflow chamber intercept 19 to be alignd with the ttom of pipe intercept 17 without tube bank of centre with one end
It is fixed on and is concentric with the holding pipe (Halterohr) 36 of the extension of reactor longitudinal axis 13.In the illustrated example, its extension is straight
Under to reaction tube 3a, the two of 3 inner most arrangements and pipe longitudinal axis is favoured in its free end in this place to be cut
Cut, in order to be configured to carry the inlet opening 37 of the cross section as big as possible for reacting gas 10.
Close to its free end, each mozzle 35 is bent such that its inlet opening 37 is nearly parallel to ttom of pipe 4 and extended, with
Just reacting gas 10 is made to flow easily into mozzle 35.
In order to increase the amount of the reacting gas 10 flowed into mozzle 35, the funnel opened wide towards ttom of pipe 4 can be inserted stream
Enter in opening, or mozzle 35 also can bifurcated 38, this is as shown in mozzle in fig 5 a exemplarily on the right.
Thus, can be achieved to be directly anchored to the number for keeping the mozzle 35 at pipe 36 in comparable collection and distribution function
The reduction of amount.
In the region of dead space 20, mozzle 35 has gas outflow opening 39 on its side in face of ttom of pipe 4, reacts
Gas 10 is flowed out in dead space 20 through it from mozzle 35.Side or following gas outflow is may also be constructed with if necessary to open
Mouthful.
At the fixed position that keeps pipe 36 at of the mozzle 35 in centre, pipe 36 is kept in the interior cross section of mozzle 35
Within can equally have gas flow through opening 40, reacting gas 10 is from it flow to the inside for keeping pipe 36.In these situations
In, keep pipe 36 that there are a large amount of gas outflow openings 41 in terms of it, reacting gas 10 flow to gas by it from holding pipe 36
In body outflow chamber 7.
Keep pipe 36 for example by welding, soldering, rivet or be bolted and be fixed at ttom of pipe 4.
Figure 6 illustrates an embodiment, is arranged only in wherein guiding device 8 in second gas outflow chamber intercept 19, its
In, the gas outflow chamber 19 ttom of pipe intercept 17 without tube bank in the illustrated embodiment with centre of intercept aligns.
In the illustrated embodiment, guiding device 8 is configured to mozzle, and it is extended up to from the ttom of pipe 4 of gas-outlet side
Gas flows out adapter 11, and it is fixed at reactor cover 6 and coaxially in reactor longitudinal axis 13 and stretched.Preferably, mozzle 8
Extend into gas outflow adapter 11.
Reactor cover 6 across gas-outlet side ttom of pipe 4 and in the illustrated embodiment by means of flange connect it is close with it
Feud connects.
Mozzle 8 has gas inlet opening 42 along its whole length and around its whole periphery, and reacting gas 10 is worn
It is crossed from first gas outflow chamber intercept 18 to enter in mozzle 8.In mozzle 8, reacting gas 10 flows to gas outflow
Adapter 11.
The size respective design of gas inlet opening 42 flows through it into causing reacting gas 10 with minimum velocity of liquid assets
And therefore enter in dead space 20.Preferably, the size of gas inlet opening 42 reduces from ttom of pipe 4 towards gas outflow adapter 11.
Figure 6 illustrates embodiment in, reacting gas 10 therefore fountain (brausenartig) enter mozzle 8
In and in this way rinse dead space 20.
Mozzle 8 can be implemented multi-piece type in the axial direction and/or in the circumferential.Preferably, it is fixed at ttom of pipe 4.
In addition, may be configured with manhole 28 at reactor cover 6 or enter adapter (Zugangsstutzen), assembler passes through
In its reachable reactor cover 6, to perform assembling and/or maintenance work at mozzle 8.
In the tube bundle reactor 1 according to the present invention, effectively to rinse dead space 20, (reacting gas 10 can stop wherein
Long period and can produce undesirable byproduct from there through other reaction), so as to avoid such residence time and pair
Reaction.
Claims (11)
1. a kind of tube bundle reactor for being used to perform the gas phase reaction of catalysis, it is carried
- bundle of reaction tubes, it is flowed through filled with catalyst and by reacting gas in operation,
- gas inflow side and gas-outlet side ttom of pipe, its gas inflow side or gas-outlet side with the reaction tube
End part seal connect and the reaction tube through its lead to gas flow into chamber or gas outflow chamber in,
- reactor enclosure, it surrounds the tube bank and is hermetically connected to construct shell chamber with the ttom of pipe, in institute with the ttom of pipe
Reaction tube described in shell chamber is stated to be washed away around by thermophore in operation,
- wherein, the ttom of pipe of gas-outlet side with by it is described restrain at least one first ttom of pipe intercept for occupying and with
At least one second ttom of pipe intercept without tube bank, and
- wherein, at least one first gas outflow alignd with the first ttom of pipe intercept in the gas flows out chamber be present
Chamber intercept and at least one second gas outflow chamber intercept being present, it aligns with the second ttom of pipe intercept and has dead space, and
And carry
- at least one guiding device, it is arranged in the second gas outflow chamber intercept,
Characterized in that, at least one guiding device (8) is configured so that it flows out chamber intercept from the first gas
(18) the part conductance of the reacting gas (10) flowed out from the reaction tube (3) is entered in the dead space (20).
2. tube bundle reactor according to claim 1, it is characterised in that at least one guiding device (8) is from described
Second gas outflow chamber intercept (19) extends into the first gas outflow chamber intercept (18) and the guiding device (8) is stretched
Prolong into and it the part stream of the reacting gas (10) of outflow will be flowed out from the reaction tube (3) from the first gas
Chamber intercept (18) is imported in the second gas outflow chamber intercept (19).
3. tube bundle reactor according to claim 2, it is characterised in that at least one second ttom of pipe intercept (17) is
The ttom of pipe intercept of ring-type between the tube bank (2) and the inwall of the reactor enclosure (5), and at least one water conservancy diversion dress
Put (8) and be arranged so that it imports reacting gas (10) in described the with ring-type from the reaction tube (3b) for being in suitable outside
In dead space (20) in the second gas outflow chamber intercept (19) of two ttom of pipe intercepts (17) alignment.
4. the tube bundle reactor according to Claims 2 or 3, it is characterised in that in the ttom of pipe (4) of gas-outlet side
Central configuration whether there is the second ttom of pipe intercept (17) of tube bank and guiding device (8) is arranged so that it by reacting gas (10) from
Reaction tube (3a) in suitable the inside imports the second gas to be alignd in the second ttom of pipe intercept (17) without tube bank with centre
In dead space (20) in body outflow chamber intercept (19).
5. tube bundle reactor according to any one of claim 1 to 3, it is characterised in that at least one water conservancy diversion dress
Put (8) and be configured to deflector.
6. tube bundle reactor according to claim 5, it is characterised in that the deflector (8) constructs porously so that
The part of the reacting gas (10) on the deflector (8) is struck through the deflector (8) and a part is led
Enter in the dead space (20).
7. tube bundle reactor according to claim 1, it is characterised in that at least one guiding device (8) is only arranged
In second gas outflow chamber intercept (19) and it is face structure, it is beside the dead space (20) and at least in its height anti-
It should manage longitudinally extending and there is gas inlet opening (42), its open cross-section phase at least in the height of the dead space (20)
It should be designed so that minimum velocity of liquid assets be present.
8. tube bundle reactor according to claim 7, it is characterised in that the face structure is configured to pipe and is arranged in in
Between the alignment of the second ttom of pipe intercept (17) without tube bank second gas outflow chamber intercept (19) in and in the axial direction from gas
The ttom of pipe (4) of outflow side extends up to flow out in adapter (11) into gas, and the gas outflow adapter (11) is arranged in
Across in the reactor cover (6) of the ttom of pipe (4) of gas-outlet side.
9. tube bundle reactor according to any one of claim 1 to 3, it is characterised in that the pipe of gas-outlet side
Bottom (4) forms the wall of the gas outflow chamber (7) and at least one guiding device (8) is fixed on the ttom of pipe (4) place.
10. tube bundle reactor according to any one of claim 1 to 3, it is characterised in that reactor cover (6) crosses over gas
The ttom of pipe (4) and the formation gas of body outflow side flow out the wall of chamber (7) and at least one guiding device (8) is solid
It is scheduled on reactor cover (6) place.
11. a kind of application of tube bundle reactor according to any one of claim 1 to 10, it is used to manufacture (methyl) third
Olefine aldehydr or (methyl) acrylic acid.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012023527.5 | 2012-11-30 | ||
| DE102012023527.5A DE102012023527B4 (en) | 2012-11-30 | 2012-11-30 | Shell and tube reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| DE102018113735A1 (en) | 2018-06-08 | 2019-12-12 | Man Energy Solutions Se | Process, tube bundle reactor and reactor system for carrying out catalytic gas phase reactions |
| CN109433116B (en) * | 2018-12-29 | 2024-02-13 | 常州瑞凯化工装备有限公司 | Shell-and-tube axial tube reactor for strong exothermic chemical reaction process |
| CN114963238B (en) * | 2022-04-18 | 2023-07-14 | 北京控制工程研究所 | Non-toxic single-component engine reaction chamber and assembly method |
| CN115155486B (en) * | 2022-05-18 | 2024-02-02 | 青岛伊森新材料股份有限公司 | Integrated fixed bed equal-pressure liquid inlet resin reactor |
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| BE759016A (en) * | 1969-12-18 | 1971-04-30 | Deggendorfer Werft Eisenbau | COOLER FOR THE PASSAGE OF AN ADJUSTABLE PART OF A HEAT VEHICLE KEEPED IN CIRCULATION IN A REACTOR |
| EP0640385B1 (en) * | 1993-08-26 | 1998-05-20 | Sulzer Chemtech AG | Packing with catalysts or adsorbants |
| DE10144857A1 (en) * | 2001-09-12 | 2003-03-27 | Deggendorfer Werft Eisenbau | Reactor arrangement used for the production of phthalic acid anhydride from o-xylol and/or naphthalene has a cooling stage and a secondary reactor located in the same housing as the main reactor |
| SI1587612T1 (en) | 2003-01-31 | 2019-01-31 | Man Energy Solutions Se | Tubular reactor for carrying out catalytic gas-phase reactions and method for operating said reactor |
| JP4572573B2 (en) | 2004-05-13 | 2010-11-04 | 三菱化学株式会社 | Method for producing (meth) acrolein or (meth) acrylic acid |
| DE102006036177B4 (en) | 2006-07-21 | 2013-05-08 | Evonik Degussa Gmbh | Apparatus and process for the production of acrylic acid with reduced autoxidation tendency |
| DE102007061477A1 (en) * | 2007-12-20 | 2009-07-02 | Man Dwe Gmbh | Tube reactor |
| EP2082797A1 (en) * | 2007-12-24 | 2009-07-29 | Borealis Technology OY | Reactor system for the catalytic polymerization of olefins comprising shielding means and a process and use thereof |
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| KR102029483B1 (en) | 2019-11-08 |
| CN103846062A (en) | 2014-06-11 |
| DE102012023527A1 (en) | 2014-06-05 |
| DE102012023527B4 (en) | 2020-08-06 |
| KR20140070456A (en) | 2014-06-10 |
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