CN105561891B - For loading the charging system of shell-tube type reactor - Google Patents
For loading the charging system of shell-tube type reactor Download PDFInfo
- Publication number
- CN105561891B CN105561891B CN201510730946.8A CN201510730946A CN105561891B CN 105561891 B CN105561891 B CN 105561891B CN 201510730946 A CN201510730946 A CN 201510730946A CN 105561891 B CN105561891 B CN 105561891B
- Authority
- CN
- China
- Prior art keywords
- pipe
- filler
- charging system
- replaceable cartridge
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000945 filler Substances 0.000 claims abstract description 64
- 239000003054 catalyst Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims description 35
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 5
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 4
- 239000001273 butane Substances 0.000 claims description 4
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- IVLRWAWNKKMBFT-UHFFFAOYSA-N 2-benzofuran-1,3-dione;naphthalene Chemical compound C1=CC=CC2=CC=CC=C21.C1=CC=C2C(=O)OC(=O)C2=C1 IVLRWAWNKKMBFT-UHFFFAOYSA-N 0.000 claims description 2
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims description 2
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 claims description 2
- 238000006555 catalytic reaction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 claims 1
- 101100441413 Caenorhabditis elegans cup-15 gene Proteins 0.000 description 7
- 230000014759 maintenance of location Effects 0.000 description 3
- 239000012495 reaction gas Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 210000004262 dental pulp cavity Anatomy 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000374 eutectic mixture Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Substances [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Classifications
-
- 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
- B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
- B01J8/003—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor in a downward flow
-
- 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
-
- 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
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
- B01J2208/00212—Plates; Jackets; Cylinders
-
- 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
- B01J2208/00743—Feeding or discharging of solids
- B01J2208/00752—Feeding
-
- 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
- B01J2208/00743—Feeding or discharging of solids
- B01J2208/00769—Details of feeding or discharging
- B01J2208/00778—Kinetic energy reducing devices in the flow channel
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The present invention relates to a kind of for filler such as ring catalyst body to be introduced into the charging system in shell-tube type reactor, wherein charging system has stowage unit, and it is characterized in that charging system includes at least one hose or at least one pipe, the at least one hose or at least one pipe have in the outer end except shell-tube type reactor and the inner end in the inner space of shell-tube type reactor, and suitable for filler to be delivered in inner space by the opening shell-tube type reactor.The invention further relates to a kind of methods using charging system filling shell-tube type reactor, and the method comprising the steps of：A) the external cup of external replaceable cartridge is loaded with the filler of limited amount；And b) filler is introduced at least one hose or at least one pipe, at least one hose or at least one pipe guide filler into inner space by opening.
Description
Technical field
The present invention relates to a kind of for filler such as ring catalyst body to be introduced into the dress in shell-tube type reactor
Material system, wherein the charging system have stowage unit, and be characterized in that the charging system include at least one hose or
At least one pipe, at least one hose or at least one pipe have the outer end except the shell-tube type reactor
With the inner end in the inner space of the shell-tube type reactor and suitable for reacting filler by the shell-tube type
Opening in device is delivered in the inner space.
Background technique
Shell-tube type reactor is the reactor used in the Industrial Catalysis oxidation of hydrocarbon, for example, by urging
Change reactor used in gaseous oxidation ortho-xylene and/or naphthalene phthalic anhydride or passes through catalytic vapor phase oxidation butane
Reactor used in production of maleic anhydride.For this purpose, the catalyst (usually containing the catalyst of vanadium) for being suitable for reaction is introduced into
In reaction tube, and reaction gas passes through reaction tube and passes through from catalyst.Used multiple reaction tubes are concurrently arranged in
In reactor, coolant is flowed around reaction tube.In general, used coolant is made of molten salt bath, such as NaNO2And KNO3
Eutectic mixture.Catalyst is introduced into reaction tube in the form of formed catalyst body and forms bed.Simplest
In the case of, use is homogenizing bed, i.e., the bed being made of identical formed catalyst body.Then, reaction gas is made to flow through the bed, it is described
Reaction gas is including, for example, oxygen-containing gas (such as air) and hydrocarbon to be oxidized (such as ortho-xylene, naphthalene or butane)
Mixture.After having occurred and that reaction in reaction tube, the generation gas comprising phthalic anhydride is reacted via shell-tube type
Reactor outlet discharge in the lower part of device.
Recently, the ultra-large type shell-tube type reactor with 20,000 to 40,000 reaction tubes is also had been realized in.After first fuel loading,
Shell-tube type reactor needs periodically refill to replace the formed catalyst body exhausted.This large amount of reaction is filled manually
Pipe is very time-consuming.Since the space above reaction tube is usually limited, for the personnel of any required number simultaneously into
Row filling is also less likely.Therefore, other than wage cost, the operator of reactor also needs to undertake the great number during filling
Downtime cost.
In general, shell-tube type reactor needs to load different fillers or different formed catalyst bodies.Filler
Or formed catalyst body can have different property, is then introduced in reaction tube with scheduled charging quantity, such as so as to
The bed of different fillers is obtained in reaction tube.Here, it is important that being filled with correct packed height and correct compactness
It fills out each independent reaction pipe and filler especially of concern is present in each reaction tube with corresponding aequum.
Shell-tube type reactor proposes a special challenge, i.e., due to the economic and technical of operation, shell-tube type is anti-
Device is answered to be filled in the case where reactor head is in place, this shell-tube type reactor is referred to as closing shell-tube type reactor.
For factory operation person, advantage is to shorten due to the time needed for dismounting, and workshop downtime is reduced.Another party
Face is the sealing of reactor head.In general, main to use in the case where reaction utensil has more than about 1.8 ten thousand root canal road
The technology of catalyst is replaced in the case where reactor head is in place.In the past, such size causes reactor head to seal
It is repeatedly leaked at part.Reactor manufacturer is solved by the way that reactor head is soldered to reactor in a fixed manner
This problem, but which increase the difficulty of dismounting.The catalytic amount of this reactor in the range of 20-40 tonnes, and
In general, only via the manhole of only 60-100 centimeter inner diameter can just introduce the catalysts into reactor upper plate interior zone (under
Text is known as inner space) in.
This occurs in the technique that 102004023249 A1 of DE is described, and fills by means of needing to manually pass through manhole and being given to
Fill out each catalyst bag prepared in proportion in advance of personnel.In the case where closing shell-tube type reactor, another difficulty exists
Working depth is lower in inner space.Since reactor head is in convex, this is mainly in the peripheral region close to reactor outer wall
Domain is a problem.The working depth in reactor center is about 100-120 centimetres, and in neighboring area, working depth is reduced to
About 30-45 centimetres.
202008004922 U1 of DE proposes a kind of for filler such as granular solids to be introduced into shell by providing
Charging system in tubular reactor simplifies and the filling of increasingly automated shell-tube type reactor, wherein the charging system
Including the stowage unit with multiple measuring rooms and replaceable cartridge, wherein each measuring room is extend out in feeding device, it is replaceable
Box can be placed at the top of stowage unit and have multiple cups.When replaceable cartridge is placed on stowage unit, cup energy
Enough and stowage unit measuring room is in fluid communication.At this point, using transport vehicle, magazine can be accommodated and move, and will
Magazine is placed on stowage unit.However, the equipment proposed has the shortcomings that inconvenient to use, and the equipment herein
It is to be operated by means of compressed air, this additionally makes difficult to install.However, first and foremost, heavy being filled with is replaceable
There are no small security risks for the conveying of box, because replaceable cartridge may pass through manhole and fall and injure charging personnel.
Summary of the invention
Therefore, the purpose of the present invention is to provide a kind of charging systems, can be simply and safe by means of the charging system
Ground fills shell-tube type reactor.The purpose is anti-for loading shell-tube type with filler such as catalyst mouldings by one kind
The charging system of device is answered to realize.The charging system includes stowage unit, and it is characterized in that the charging system includes
At least one hose or at least one pipe, at least one hose or at least one pipe have to react in the shell-tube type
Outer end except device and inner end in the interior space, wherein at least one hose or at least one pipe are suitable for
Filler is delivered in the inner space.
Detailed description of the invention
Fig. 1 shows the cross section for the charging system being mounted in shell-tube type reactor.
Fig. 2 shows the side views for the charging system being mounted in shell-tube type reactor.
Fig. 3 shows the top view for the charging system being mounted in shell-tube type reactor.
Fig. 4 shows the perspective view of installed charging system.
Fig. 5 shows enlarged drawing, and which depict filler is introduced into reaction tube by stowage unit.
Specific embodiment
A critical aspects of the invention are that filler 3 passes through at least one hose 5a or at least one pipe 5b quilt
It is delivered in the inner space 8 of shell-tube type reactor 2, to fill existing reaction tube 12 in it by stowage unit 4.Institute
With required charging system 1 is at least made of charging apparatus 4, hose 5a or at least one pipe 5b thus, hose 5a or pipe
5b has in the outer end 6 except shell-tube type reactor 2 and the inner end in inner space 87, wherein at least one
Hose 5a or at least one pipe 5b is suitable for filler 3 to be delivered to inner space 8.For this purpose, filler 3 is being located at
It is introduced at outer end 6 except shell-tube type reactor 2 in at least one hose 5a or at least one pipe 5b,
In this way, filler 3 leaves at least one hose 5a or at least one by the inner end 7 in inner space 8 again
It pipe 5b and be directed into stowage unit 4.
Stowage unit 4 is described in detail in 102005013845 A1 of DE.Stowage unit 4 be used to by filler 3 with
Controllable mode is introduced into reaction tube 12, to form the filler 3 with a limited amount in reaction tube 12 and to have
There is the bed of the filler 3 of the bulk density of a restriction.Stowage unit 4 operates in the upper plane of the nozzle of reaction tube 12,
Reaction tube is terminated with the steel plate for being referred to as tube sheet 18.Stowage unit 4 be typically designed to can at each occurrence and meanwhile filling it is more
A reaction tube 12.In internally positioned space 8 and the replaceable cartridge of referred to as internal replaceable cartridge 10 can be with 4 juxtaposition of stowage unit
(juxtaposition).Internal replaceable cartridge 10 has an internal cup 11, the filler 3 of the limited amount for filling into
It is stored temporarily in internal cup 11 before entering stowage unit 4.
When filling shell-tube type reactor 2, usually to remove reactor the central axis towards reactor protrude into it is upper
Part, i.e. reactor head 21.Shell-tube type reactor 2 according to the present invention preferably closes shell-tube type reactor 2.Close package
Formula reactor 2 is characterized in that reactor head 21 is connected to remaining reactor shell in a fixed manner.Therefore, only via
One or optional multiple openings 9 can be entered by manhole.When shell-tube type reactor 2 is closed in filling, by reactor
The inner space 8 for 12 top of reaction tube that shell and tube sheet 18 define can only be entered by these openings 9.
The number of hose 5a or pipe 5b are preferably correspond to the inside replaceable cartridge 10 connecting with hose 5a or pipe 5b
Inside cup 11 number.Therefore, the restriction being then introduced at each occurrence in each separate internal cup 11
The filler 3 of amount be directed into the every hose 5a or sub- 5b of every root canal.Then, the filler 3 of limited amount can be with
Such as the stowage unit 4 connecting with internal cup 11 is entered from the inside cup 11 of internal replaceable cartridge 10 under the effect of gravity
In.With the help of stowage unit 4, filler 3 then controllably, i.e. at each occurrence with predetermined amount and
Predetermined bulk density enters in reaction tube 12, will not form hollow space in reaction tube 12.
As the difference with stowage unit described in the prior, internal replaceable cartridge 10 preferably remains in inside
In space 8.Internal replaceable cartridge 10 is filled by means of at least one hose 5a or at least one pipe 5b, rather than can be more by inside
Box 10 is changed to be delivered to outside and filled in outside.For this purpose, the inside cup 11 and described at least one of internal replaceable cartridge 10
Root hose 5a or at least one pipe 5b connection, so that filler 3 can pass through at least one hose 5a or institute
At least one pipe 5b is stated to be delivered in internal cup 11.Embodiment is as follows：Filler 3 is introduced into anti-positioned at shell-tube type
In the outer end 6 for answering at least one hose 5a or at least one pipe 5b except device, then, such as in gravity work
Under, filler 3 is delivered to by shell-tube type reactor by at least one hose 5a or at least one pipe 5b
Inner space 8 in.
Two with the hollow space object referred in description of the invention is for example between hose 5a, pipe 5b or chamber
Be connected to each other and mean that two objects are in fluid communication with each other, and filler 3 can be transported to from an object it is next
In a object.The conveying of filler 3 can for example be implemented by gravity or by means of vibration or compressed air stream.
Advantageously, stowage unit 4 at least one hose 5a or at least one pipe 5b not with inside
It can also be operated in the juxtaposed situation of replaceable cartridge 10, this is because operation height is lower, the especially periphery in inner space 8
Even more so in region, the hose 5a or pipe 5b for being connected to internal replaceable cartridge 10 will become during filling to be hindered.It is internal
Connection between replaceable cartridge 10 and at least one hose 5a or at least one pipe 5b is preferably via releasable
Connection is to implement.The releasable connection of the connection by implementing via built-in adapter 13 realize, at least one
The inner end 7 of hose 5a or at least one pipe 5b are connected to built-in adapter 13 in a fixed manner, and inside is adapted to
Device 13 transfers to can have the releasable inserting connection piece for being connected to internal replaceable cartridge 10, so that at least one is soft
Pipe 5a or at least one pipe 5b are connected to internal cup 11.
Therefore, if operating stowage unit 4 in the neighboring area of reactor, it can be advantageous to the connection is discharged,
So that at least one hose 5a or at least one pipe 5b are no longer connected to internal replaceable cartridge 10.In addition it or can replace
Dai Di, during operating stowage unit 4 in the narrow edge region of inner space 8, can also remove inside from stowage unit 4 can
Replacing box 10, (with or without is connected to the hose 5a of internal replaceable cartridge 10 or is connected to the pipe of internal replaceable cartridge 10
5b)。
In order to which the filler 3 of limited amount to be introduced at least one hose 5a or at least one pipe 5b, preferably also
Equipped with another replaceable cartridge, replaceable cartridge is located at except shell-tube type reactor 2, is referred to as external replaceable cartridge 14.It is external
Replaceable cartridge 14 has the external cup 15 for being used to filler 3 of the interim storage for filling.External cup 15 is connected to
At least one hose 5a or at least one pipe 5b, and the number of external cup 15 preferably corresponds to hose 5a or pipe
The number of sub- 5b.External replaceable cartridge 14 is preferably shelved on retainer 19, and retainer 19 is mounted on workbench 20, workbench
20 are mounted on 9 top of opening of shell-tube type reactor.During charging or filling, operator will be used for each independent reaction pipe
The filler 3 of 12 limited amount fills the external cup 15 of external replaceable cartridge 14.The actuating of mechanism causes filler 3 to exist
The interior of internal replaceable cartridge 10 is dropped by at least one hose 5a or at least one pipe 5b under gravity
In portion's cup 11.Then, another operator can operate stowage unit 4, thus by by filler 3 with controllable side
Formula is delivered in reaction tube 12 by stowage unit 4 from internal cup 11 and fills reaction tube 12.
Operator, which can directly fill, connect simultaneously position at least one hose 5a or at least one pipe 5b
External replaceable cartridge 14 in retainer 19.Alternatively, external replaceable cartridge 14 can also be filled except retainer 19
To be then inserted into retainer 19 under filling state.Therefore, external replaceable cartridge 14 and at least one hose
Connection between 5a or at least one pipe 5b is preferably releasable, so that external replaceable cartridge 14 can be in filling
Position.The releasable connection of the connection by implementing via external adapter 16 realize, at least one hose 5a or
The outer end of at least one pipe 5b is connected to external adapter 16 in a fixed manner, and external adapter 16 then can
To have the releasable inserting connection piece for being connected to external replaceable cartridge 14, so that at least one hose 5a or described
At least one pipe 5b is connected to external cup 15.
When that will realize the region of different fillers 3 or formed catalyst body in reaction tube 12, in each feelings
It is particularly important that the filler 3 of right type is all introduced under shape.Here it is possible to using it is each be filled with it is different types of
The various external replaceable cartridges 14 of filler 3.In order to guarantee the filler in external replaceable cartridge 14 with right type
3, it can be encoded to retainer 19 so that guaranteeing that only the external replaceable cartridge 14 comprising relevant filler 3 can just place
On retainer 19.
Coding is implemented in a manner of being similar to described in 202008004922 U1 of DE, can support with increase diameter
Two pins on roll shape head are horizontally stretched out from the narrow side in each of two opposite narrow sides of replaceable cartridge.When can by outside
When replacement box 14 is placed on retainer, the pin of external replaceable cartridge 14 shelves the top for being the cross-brace wall of retainer 19
In the notch formed on edge.External replaceable cartridge 14 is held in a manner of having lesser degree of clearance between these supporting walls
It sets.Directly in the lower section of notch, indicator switch is arranged on supporting walls in such a way, i.e., only when roll shape head is put
It sets when on the end of pin, the pin ability actuation indicator switch crossed out from external replaceable cartridge 14.In total there are four pin
In the case where, there are the possible codings in 2 biquadratic i.e. 16.By suitably increasing the number of pin, possible encoded number
Any desired degree can be increased to.Signal from indicator switch is transferred into the control device in retainer 19.Together
When, control device receives signal via selection device, by selection device, can choose suitable external replaceable cartridge 14.Only
There is the signal mode generated when indicator switch to correspond to the signal mode of the external replaceable cartridge 14 selected by means of selection device
When formula, retention device is just released, so that the sliding gate of 14 downside of external replaceable cartridge can be opened.This is external replaceable
It is established between the external cup 15 of each of box 14 and the corresponding at least one hose 5a or at least one pipe 5b
Connection.Therefore, filler 3 can be from external replaceable cartridge 14 via at least one hose 5a or at least one
Pipe 5b is discharged in the inside cup 11 of the inside replaceable cartridge 10 of stowage unit 4.Additionally or alternatively, the signal mode
It can also be transferred into internal replaceable cartridge 10, only when the signal mode corresponds to the signal of selected inside replaceable cartridge 10
When mode, retention device is just released, so that the sliding gate of 10 downside of internal replaceable cartridge can be opened, 3 energy of filler
It enough enters in stowage unit 4.
Retention device is made of at least one lock pin on retainer 19, when external replaceable cartridge 14 is placed on retainer
When middle, lock pin is protruded into the hole on sliding panel, to prevent sliding gate from opening initially.When the signal from indicator switch
When mode corresponds to the signal mode of the external replaceable cartridge indicated via selection device, lock pin is pulled downwardly back, sliding gate
Therefore it is released.Simultaneously in order to intuitively mark replaceable cartridge, replaceable cartridge can have colour-coded, and on selection device
It is corresponding setting can have identical colour-coded.
In addition, can be arranged between frame and external replaceable cartridge 14 in order to which two systems are distinguished from each other out
Another coding.For this purpose, short pin is stretched out from the narrow side of external replaceable cartridge 14, and these short pins cannot be pressed against setting and keep
Index block on the supporting walls of device 19.At each occurrence, multiple fixed positions are set for pin and index block.In addition to mentioning above
The first coding arrived, when preferably also providing this second and encode, and only having while meeting two kinds of codings, external replaceable cartridge 14
The sliding gate of downside is just released.
It is generally necessary to which different fillers 3 is introduced into different amounts in the pipe of shell-tube type reactor.Therefore, external
Replaceable cartridge 14 is preferably designed such that the volume of external cup 15 can be changed.For this purpose, external replaceable cartridge 14 is by solid
Fixed lower part box element and movable upper box element composition, top box element are arranged in the box element of lower part and can be relative to
Lower part box element telescopically moves.By means of be located at external replaceable cartridge 14 narrow side on threaded rod and guide pin this can be implemented
Movement.
Stowage unit 4 has the measuring room for being connected to internal cup 11.Measuring room in stowage unit 4 each preferably by
It is divided into two sections.First section is formed by substantially parallel transfer passage, and the transfer passage is in the main portion of stowage unit 4
Divide upper extension and is open in front end into the first vertical down-comer 22.Filler 3 from the first down-comer 22 fall by
Chute 23 form the second section in, chute 23 is initially tilted down with about 45 degree of angle, then with only 10 degree of angle to
Lower inclination is finally open into the feeding device of vertical 24 form of the second down-comer, and filler 3 is fallen from the second down-comer 24
Enter into reaction tube 12.Therefore, chute 23 is located at height more lower than first passage.Transfer passage and chute 23 preferably exist
Every case is arranged with special vibrating device, the vibration frequency of the special vibrating equipment can at each occurrence without
Polar region adjustment.In this way, it can permit chute 23 with the vibration of higher frequency, this facilitates the discharge of filler 3.
When carrying out the invention, if using hose 5a, hose 5a is preferably made of balloon silk (balloon silk).Separately
On the one hand, if using pipe 5b, pipe 5b is preferably made of flexiplast.
1 charging system
2 shell-tube type reactors
3 fillers
4 stowage units
5a hose
5b pipe
6 (at least one hose or at least one pipe) outer ends
7 (at least one hose or at least one pipe) inner ends
8 inner spaces
9 openings
10 inside replaceable cartridges
11 inside cups
12 reaction tubes
13 built-in adapters
14 outside replaceable cartridges
15 outside cups
16 external adapters
17 reactor outlets
18 tube sheets
19 retainers
20 workbench
21 reactor heads
22 first down-comers
23 chutes
24 second down-comers
Claims (19)
1. one kind is for the charging system (1) with filler (3) filling shell-tube type reactor (2), charging system (1) packet
Include stowage unit (4), which is characterized in that the charging system (1) includes at least one pipe, and at least one pipe has
In the outer end (6) except shell-tube type reactor (2) and the inner end (7) in inner space (8), and it is suitable for fill
Material (3) is delivered in the inner space (8) by opening (9)；
Equipped with internal replaceable cartridge (10), the internal replaceable cartridge (10) has internal cup (11) and can be with the filling
Equipment (4) juxtaposition, the internal cup (11) is connected at least one pipe, so that filler (3) can be by logical
At least one pipe is crossed to be delivered in the internal cup (11)；And
The filler (3) is formed catalyst body, and the formed catalyst body is catalyzed the selective oxidation of alkane by oxygen.
2. charging system (1) according to claim 1, which is characterized in that replaceable cartridge (10) is described interior inside described
Portion's cup (11) is connected to the stowage unit (4), so that the filler can controllably be filled via described
Equipment (4) are filled out to enter in the reaction tube (12) of the shell-tube type reactor (2).
3. charging system (1) according to claim 1 or 2, which is characterized in that it is equipped with built-in adapter (13), it is described interior
Portion's adapter (13) is connected to the inner end (7) of at least one pipe in a fixed manner, and via releasable
Connector is connected to internal replaceable cartridge (10).
4. charging system (1) according to claim 1 or 2, which is characterized in that it is equipped with external replaceable cartridge (14), it is described
External replaceable cartridge (14) is located at except shell-tube type reactor (2) and has external cup (15), and the external cup (15) is even
It is connected at least one pipe, so that filler (3) can be delivered at least one from the external cup (15)
In pipe.
5. charging system (1) according to claim 1 or 2, which is characterized in that it is equipped with external adapter (16), it is described outer
Portion's adapter (16) is connected to the outer end (6) of at least one pipe in a fixed manner, and via releasable
Connector is connected to external replaceable cartridge (14) so that filler (3) can be delivered to from external cup (15) it is described at least
In a pipe.
6. charging system (1) according to claim 1 or 2, which is characterized in that the inner space (8) can only lead to
It crosses opening (9) or manhole enters.
7. charging system (1) according to claim 1 or 2, which is characterized in that the pipe is hose.
8. charging system (1) according to claim 7, which is characterized in that the hose is made of balloon silk.
9. charging system (1) according to claim 1 or 2, which is characterized in that the formed catalyst body is catalyzed by oxygen
By ortho-xylene or naphthalene phthalic anhydride selective oxidation or catalysis by butane production of maleic anhydride selective oxidation.
10. a kind of load shell-tube type reactor (2) by means of charging system according to claim 1 to 9 (1)
Method, which is characterized in that by means of at least one pipe by filler (3) by be open (9) be delivered to internal sky
Between in (8).
11. according to the method described in claim 10, it is characterized in that, the filler (3) of limited amount is replaceable from outside
The external cup (15) of box (14) is delivered in at least one pipe.
12. method described in 0 or 11 according to claim 1, which is characterized in that be delivered to filler (3) internal replaceable
In the inside cup (11) of box (10), the internal replaceable cartridge (10) is or can be with filling in internally positioned space (8)
Fill out equipment (4) juxtaposition.
13. method described in 0 or 11 according to claim 1, which is characterized in that under the effect of gravity, by by it is described at least
Filler (3) is delivered in the inner space (8) or before being delivered to the inside of internal replaceable cartridge (10) by a pipe
In room (11).
14. method described in 0 or 11 according to claim 1, which is characterized in that by filler (3) controllably from
Internal cup (11) is delivered in reaction tube (12) by stowage unit (4).
15. a kind of load shell-tube type reactor (2) by means of charging system according to claim 1 to 9 (1)
Method, the method includes the steps：
A) the external cup (15) of external replaceable cartridge (14) is loaded with the filler (3) of limited amount, and
B) filler (3) is introduced into at least one pipe, at least one pipe passes through filler (3)
(9) guidance be open into inner space (8).
16. according to the method for claim 15, which is characterized in that in step c), filler (3) is passed through by described
At least one pipe is delivered in the inside cup (11) of internal replaceable cartridge (10).
17. according to the method for claim 16, which is characterized in that in step d), by filler (3) with controllable side
Formula is delivered in reaction tube (12) from the inside cup (11) of internal replaceable cartridge (10) by stowage unit (4).
18. method according to claim 16 or 17, which is characterized in that after step c), optionally release is described extremely
The connection of few a pipe and the internal replaceable cartridge (10).
19. charging system (1) according to claim 1 to 9 is used to load the purposes of shell-tube type reactor (2),
The shell-tube type reactor (2) is used to prepare phthalic anhydride by selective oxidation ortho-xylene or naphthalene, or for passing through
Selective oxidation butane is for maleic anhydride.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014016203.6A DE102014016203A1 (en) | 2014-11-03 | 2014-11-03 | Feeding system for feeding a tube bundle reactor |
| DE102014016203.6 | 2014-11-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105561891A CN105561891A (en) | 2016-05-11 |
| CN105561891B true CN105561891B (en) | 2018-11-16 |
Family
ID=55855325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510730946.8A Expired - Fee Related CN105561891B (en) | 2014-11-03 | 2015-11-02 | For loading the charging system of shell-tube type reactor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105561891B (en) |
| DE (1) | DE102014016203A1 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998002238A1 (en) * | 1996-07-16 | 1998-01-22 | Booy Support B.V. | Device for filling a tube reactor |
| CN101146603A (en) * | 2005-03-24 | 2008-03-19 | 苏德-化学股份公司 | Feeding device for bundled tube reactor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4402643A (en) * | 1981-02-18 | 1983-09-06 | Ppg Industries, Inc. | Catalyst loader |
| JPH1024232A (en) * | 1996-07-11 | 1998-01-27 | Asahi Chem Ind Co Ltd | Catalyst packing method and catalyst packing device |
| DE102004023249A1 (en) | 2004-05-07 | 2005-03-10 | Basf Ag | Process to insert selected catalyst rings into battery of reactor tubes followed by manual removal as required |
| DE202008004922U1 (en) | 2008-04-10 | 2009-08-20 | Süd-Chemie AG | Feeding system for tube bundle reactors |
-
2014
- 2014-11-03 DE DE102014016203.6A patent/DE102014016203A1/en not_active Ceased
-
2015
- 2015-11-02 CN CN201510730946.8A patent/CN105561891B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998002238A1 (en) * | 1996-07-16 | 1998-01-22 | Booy Support B.V. | Device for filling a tube reactor |
| CN101146603A (en) * | 2005-03-24 | 2008-03-19 | 苏德-化学股份公司 | Feeding device for bundled tube reactor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105561891A (en) | 2016-05-11 |
| DE102014016203A1 (en) | 2016-05-19 |
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