CN206853645U - A kind of low pressure drop high stability distributor and reactor - Google Patents
A kind of low pressure drop high stability distributor and reactor Download PDFInfo
- Publication number
- CN206853645U CN206853645U CN201720751721.5U CN201720751721U CN206853645U CN 206853645 U CN206853645 U CN 206853645U CN 201720751721 U CN201720751721 U CN 201720751721U CN 206853645 U CN206853645 U CN 206853645U
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- Prior art keywords
- guider
- distributor
- venthole
- reacting gas
- openend
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- 238000006555 catalytic reaction Methods 0.000 claims abstract description 74
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims description 11
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 19
- 230000009467 reduction Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 105
- 239000003054 catalyst Substances 0.000 description 29
- 238000006243 chemical reaction Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 13
- NPDACUSDTOMAMK-UHFFFAOYSA-N 4-Chlorotoluene Chemical compound CC1=CC=C(Cl)C=C1 NPDACUSDTOMAMK-UHFFFAOYSA-N 0.000 description 12
- 239000012495 reaction gas Substances 0.000 description 11
- 238000012423 maintenance Methods 0.000 description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 5
- 230000035515 penetration Effects 0.000 description 5
- 239000011949 solid catalyst Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- BFCFYVKQTRLZHA-UHFFFAOYSA-N 1-chloro-2-nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1Cl BFCFYVKQTRLZHA-UHFFFAOYSA-N 0.000 description 1
- GJNGXPDXRVXSEH-UHFFFAOYSA-N 4-chlorobenzonitrile Chemical compound ClC1=CC=C(C#N)C=C1 GJNGXPDXRVXSEH-UHFFFAOYSA-N 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- -1 benzol amine Chemical class 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model provides a kind of low pressure drop high stability distributor and reactor, and the distributor includes:Distributor body and at least one guider;The guider is the tubular structure of one end closing, and at least one through hole is provided with tube wall;At least one venthole is provided with the distributor body;The openend of each guider is connected with a venthole on the distributor body, and the different guiders correspond to the different ventholes;The distributor body, the reacting gas is transferred to each guider for receiving the reacting gas of external reactors air inlet port transmission, and by each venthole;Each described guider, for passing through included at least one through hole, by the reacting gas rotating jet that connected venthole transmission comes to the catalytic reaction zone of the reactor, therefore this programme can ensure jet uniformly and depth under relatively low distribution grid pressure reduction conditions.
Description
Technical field
Technical field of petrochemical industry is the utility model is related to, more particularly to a kind of low pressure drop high stability distributor and reaction
Device.
Background technology
Fluidized-bed reactor has the characteristics that good heat transfer property and is easy to continuous catalyst regenerating to circulate, extensive
Be applied to the field such as petrochemical industry.Wherein, the gas that distributor can make to enter inside fluidized-bed reactor is uniformly distributed,
It is one of key component for directly affecting fluidized-bed reactor reaction effect and reaction efficiency.
Current distributor is porous tabular, and reacting gas directly passes through the outlet in distributor when using distributor
The catalytic reaction zone that hole is entered in fluidized-bed reactor, so that catalytic reaction zone is in contact with reacting gas, reach reaction
Purpose.
Existing distributor is directed to, during distributor use, each venthole that reacting gas passes through distributor
When being directly entered catalytic reaction zone, most of kinetic energy of reacting gas itself is expended in anode drop is distributed.It is so in order that logical
It is stable to cross the reaction gas flow of each venthole, and in order to obtain reacting desired Jet Penetration Depth, it is necessary to using high pressure drop
Gas distributor.Therefore, existing distributor needs just to can guarantee that jet is uniform and deep under higher distribution grid pressure reduction conditions
Degree.
Utility model content
The utility model provides a kind of low pressure drop high stability distributor and reactor, can be in relatively low distribution anode drop
Under the conditions of ensure that jet is uniform and depth.
In a first aspect, the utility model provides a kind of low pressure drop high stability distributor, the distributor includes:Distributor
Body and at least one guider;
The guider is the tubular structure of one end closing, and at least one through hole is provided with tube wall;
At least one venthole is provided with the distributor body;
The openend of each guider is connected with a venthole on the distributor body, and not
The different ventholes is corresponded to the guider;
The distributor body, for receiving the reacting gas of external reactors air inlet port transmission, and by each described
The reacting gas is transferred to each guider by venthole;
Each described guider, for by included at least one through hole, the venthole that will be connected
The reacting gas that transmission comes is transmitted in a manner of rotating jet to the catalytic reaction zone of the external reactors.
Preferably,
The distributor body, including:Pipe distributor or board-like distributor;
Wherein, the pipe distributor includes at least one airway tube, is provided with each airway tube at least one
The venthole, and the airway tube is connected with the reactor air inlet;The board-like distributor is platy structure, the plate
At least one venthole is provided with shape structure, and the board-like distributor is connected with the reactor air inlet.
Preferably,
When the distributor body includes pipe distributor,
The blind end of the guider towards the catalytic reaction zone top layer, by the through hole with the side of rotating jet
Formula transmits the reacting gas to the catalytic reaction zone;
When the distributor body includes board-like distributor,
The blind end of the guider towards the catalytic reaction zone bottom, by the through hole with the side of rotating jet
Formula transmits the reacting gas to the catalytic reaction zone.
Preferably,
The blind end of the guider is cone structure.
Preferably,
The surface of each guider is enclosed with wear-resisting lining.
Preferably,
The openend of the guider passes through the welding manner venthole phase corresponding with the distributor body
Even.
Preferably,
The openend of the guider passes through the snap fit venthole phase corresponding with the distributor body
Even.
Preferably,
Flange is provided with the openend of the guider, and at least one bolt hole is provided with the flange;
At least one bolt hole corresponding with venthole each described respectively is provided with the distributor body;
Each described guider, using corresponding at least one bolt hole on the flange and the venthole at least
One bolt hole, it is connected by bolted connection with the corresponding venthole.
Preferably,
Each described guider is round tube shape structure, and the openend is provided with pin thread;
Corresponding to each described guider negative thread is provided with venthole;
Each described guider, using the negative thread in the pin thread on the openend and the venthole, pass through
The mode of threaded connection is connected with the corresponding venthole.
Preferably,
Each described guider is round tube shape structure, and the openend is provided with negative thread;
Corresponding to each described guider pin thread is provided with venthole;
Each described guider, using the pin thread outside the negative thread on the openend and the venthole, pass through
The mode of threaded connection is connected with the corresponding venthole.
Preferably,
The external diameter of the openend of each guider is less than the external diameter of blind end.
Second aspect, the utility model provide a kind of reactor, and the reactor includes:Housing, air inlet, catalytic reaction
Area and any of the above-described described distributor;
The housing, for fixing the distributor;
The air inlet, for reacting gas to be transferred into the distributor, so that the distributor is with rotating jet
Mode transmits the reacting gas to the catalytic reaction zone;
The catalytic reaction zone, for receiving the reacting gas of the distributor transmission.
The utility model provides a kind of low pressure drop high stability distributor and reactor, and the distributor includes:Distributor
Body and at least one guider, wherein, the openend of each guider is connected with a venthole on distributor body,
When distributor body receives the reacting gas of external reactors air inlet port transmission, by each venthole of itself by reaction gas
Body is transferred to coupled each guider.Then each guider is gone out by the through hole included by itself by what is be connected
The reacting gas that stomata transmission comes is transmitted in a manner of rotating jet to the catalytic reaction zone of external reactors.Pass through said process
Understand, in this programme after venthole of the reacting gas by distributor body, do not enter directly into catalytic reaction zone, but enter
Enter into the guider being connected with venthole so that reacting gas be changed into rotational flow gas and transmitted in a manner of rotating jet to
The catalytic reaction zone of external reactors.Because the extra circular rector stability that rotational flow gas has can improve the jet of reacting gas
Uniform stability and depth.Therefore scheme provided by the utility model can ensure that jet is equal under relatively low distribution grid pressure reduction conditions
Cloth and depth.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation for low pressure drop high stability distributor that the utility model one embodiment provides;
Fig. 2 is a kind of top view for pipe distributor that the utility model one embodiment provides;
Fig. 3 is a kind of top view for board-like distributor that the utility model one embodiment provides;
Fig. 4 is a kind of front view for guider that the utility model one embodiment provides;
Fig. 5 is that a kind of distributor body that the utility model one embodiment provides is high steady for the low pressure drop of pipe distributor
The structural representation of reactor where qualitative distributor;
Fig. 6 is that a kind of distributor body that the utility model one embodiment provides is high steady for the low pressure drop of board-like distributor
The structural representation of reactor where qualitative distributor;
Fig. 7 is a kind of front view for guider including flange that the utility model one embodiment provides;
Fig. 8 is a kind of structural representation for reactor that the utility model one embodiment provides;
Fig. 9 is a kind of stream of the application method for low pressure drop high stability distributor that the utility model one embodiment provides
Cheng Tu.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments, based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made, all belongs to
In the scope of the utility model protection.
As shown in figure 1, the utility model embodiment provides a kind of low pressure drop high stability distributor, the distributor bag
Include:Distributor body 101 and at least one guider 102;
The guider 102 is the tubular structure of one end closing, and at least one through hole 1021 is provided with tube wall;
At least one venthole 1011 is provided with the distributor body 101;
The openend of each guider 102 with a venthole on the distributor body 101
1011 are connected, and the corresponding different venthole 1011 of the different guiders 102;
The distributor body 101, for receiving the reacting gas of external reactors air inlet port transmission, and pass through each institute
State venthole 1011 and the reacting gas is transferred to each guider 102;
Each described guider 102, for by included at least one through hole 1021, described in being connected
The reacting gas that venthole transmission comes is transmitted in a manner of rotating jet to the catalytic reaction zone of the external reactors.
According to embodiment as shown in Figure 1, the distributor includes:Distributor body and at least one guider, wherein, often
The openend of one guider is connected with a venthole on distributor body, enters when distributor body receives external reactors
During the reacting gas of gas port transmission, reacting gas is transferred to by each venthole of itself by coupled each guiding
Device.Then connected venthole is transmitted next reacting gas to rotate by each guider by the through hole included by itself
The mode of jet is transmitted to the catalytic reaction zone of external reactors.By said process, reacting gas passes through in this programme
After the venthole of distributor body, catalytic reaction zone is not entered directly into, and is into the guider being connected with venthole
In so that reacting gas is changed into rotational flow gas and transmitted in a manner of rotating jet to the catalytic reaction zone of external reactors.
The uniform stability of jet and depth that reacting gas can be improved due to the extra circular rector stability that rotational flow gas has.Therefore originally
Utility model provide embodiment can ensure under relatively low distribution grid pressure reduction conditions jet uniformly and depth.
In the utility model one embodiment, the distributor body in the structural representation shown in Fig. 1 can be tubular type
Distributor or board-like distributor;
When distributor body is pipe distributor, as shown in Fig. 2 pipe distributor 201 includes at least one airway tube
2011, be provided with least one venthole 2012 on each airway tube 2011, and the airway tube 2011 with it is described
Reactor air inlet is connected;
When distributor body is board-like distributor, as shown in figure 3, board-like distributor 301 is platy structure, the tabular
At least one venthole 3011 is provided with structure, and the board-like distributor 301 is connected with the reactor air inlet.
In the present embodiment, pipe distributor includes the quantity of airway tube and the shape of airway tube can want according to business
Determination is asked, and the quantity of the venthole set on each airway tube, the shape of venthole and venthole are on airway tube
Distribution situation can determine according to business need.But it should be noted that the shape of venthole will be with the openend of guider
Shape matches, so that guider can be connected with venthole.
The top view for pipe distributor shown in Fig. 2, in this figure pipe distributor include annular airway tube 2011a and
Annular airway tube 2011b, wherein annular airway tube 2011a and annular airway tube 2011b pass through airway tube respectively
2011c1, airway tube 2011c2, airway tube 2011c3, airway tube 2011c4, airway tube 2011c5, airway tube 2011c6, air guide
Pipe 2011c7 and airway tube 2011c8 connections.Annular airway tube 2011a is connected with reactor air inlet A.When reactor enters
When gas port A is to circular airway tube 2011a transmission reaction gas Gs, reaction gas G can be connected with circular airway tube 2011a
Each air guide Bottomhole pressure, and flow in each guider being connected with venthole in each airway tube.
In the present embodiment, the quantity of the venthole set on board-like distributor, the shape of venthole and venthole
Distribution situation can determine according to business need.It for example can use corrugated for large-scale reactor, distributor body
Cross section Design, for carrying the bed quality of fluid bed.Should further be noted that the shape of venthole will be opened with guider
The shape at mouth end matches, so that guider can be connected with venthole.
The top view for board-like distributor shown in Fig. 3, board-like distributor is a circular plate-like shape structure in this figure, and is wrapped
The venthole included is circular venthole.When reactor air inlet transmits reacting gas to board-like distributor, reacting gas leads to
Each venthole is crossed to flow in each guider being connected with venthole.In addition, board-like distributor surrounding be evenly arranged to
A few bolt hole 302, board-like distributor are fixed by these bolts hole with reactor shell.
In the present embodiment, what is no matter selected is the number of board-like distributor or pipe distributor, venthole and guider
Magnitude relation at least may have following two situations:
Situation one:Each venthole one guider of corresponding connection on distributor body.Such as board-like distributor
In be provided with 100 ventholes, then each venthole in 100 ventholes one guider of corresponding connection.
Situation two:There was only venthole one guider of corresponding connection in part in all ventholes on distributor body.
For example 100 ventholes are provided with board-like distributor, then only have 50 outlet pore size distributions correspondingly to connect in 100 ventholes
Connect a guider.It is noted herein that the distribution situation of the venthole of connection guider can be true according to business need
It is fixed, such as can be by the use of distributor body horizontal center line as demarcating, the venthole on the upside of horizontal center line is corresponding to connect one
Individual guider, and the venthole on the downside of horizontal center line is not connected to guider.
According to above-described embodiment, distributor body can include pipe distributor or board-like distributor, can be according to difference
Business need choose the type of distributor body, therefore improve the application flexibility of distributor body.
In the utility model one embodiment, the guider in structural representation as shown in Figure 1 is closed for one end
Tubular structure, and at least one through hole is provided with tube wall.
In the present embodiment, the concrete shape of tubular structure can determine according to business need, for example can be square tube
Shape structure can also be round tube shape structure.Shape, size and the depth of cavity can be according to business in other tubular structure
It is required that determine, such as from a diameter of 5 millimeters of cylindrical cavity.
In the present embodiment, the number and shape of the through hole set on the tube wall of tubular structure can also be wanted according to business
Ask determination.It should be noted that set location of the through hole on tube wall is relevant with the quantity of through hole, and can at least exist following
Two kinds of situations:
Situation one:When the quantity of through hole is one, a through hole can be arranged on the optional position on tube wall;
Situation two:When the quantity of through hole is at least two, at least two through holes are equally distributed to be arranged on tube wall.
In addition, the opening direction of through hole can be towards the openend of guider, can also be towards the blind end of guider.Its
The opening direction of middle through hole towards the openend of guider be a kind of preferable opening direction.The position of opening of through hole is to guider
The distance of openend can also determine according to business need.
In the present embodiment, when reacting gas enters the body in guider tubular structure, the envelope of tubular structure
Closed end turns back the reacting gas of entrance, and the catalytic reaction zone of reactor is emitted into by the through hole on tubular structure tube wall.
When the blind end of tubular structure turns back the reacting gas of entrance, the energy that script dissipates on distributor body can be changed into
For the rotation function of reacting gas.Reacting gas with rotation function can maintain larger Jet Penetration Depth, make reacting gas
Bubble will not become big rapidly, keep minute bubbles high-frequency, so as to increase residence time of the reacting gas in catalytic reaction zone, reach
To the purpose for improving fluidization quality.
It is illustrated in figure 4 the front view of guider, the circular tube shaped that the guider 401 in figure is 24 millimeters for a diameter c
Structure.Include the through hole that 4 diameter a are 2.5 millimeters on tube wall, and 4 through holes are evenly distributed on tube wall.Each through hole
Center line B2 and guider vertical axial center line B1 angle k be 44 °, and the position of opening of through hole is to distributor body
Distance b be 9 millimeters.The cavity diameter h of guider tubular structure is 5 millimeters of cylindrical cavity.
According to above-described embodiment, when entering the body in guider tubular structure due to reacting gas, tubular structure
Blind end turns back the reacting gas of entrance., can be by originally and the blind end of tubular structure is when the reacting gas of entrance is turned back
The energy to be dissipated on distributor body transforms into the rotation function of reacting gas, anti-in catalytic reaction zone due to entering
Gas is answered to carry rotation function, so improving residence time of the reacting gas in catalytic reaction zone.
In the utility model one embodiment, such as, guider prepares the anti-of the 1wt/a of aniline for hydrogenation of chloronitrobenzene
Answer in device, due to having used guider wherein in the preparation process, the Jet Penetration Depth of reacting gas is increased, so that passing through
The reaction gas flow of distributor is uniform so that reacting gas can carry out uniform violent reaction with catalyst, to reach
Effectively suppress catalyst defluidization or cross carbon distribution caused by reaction.So that in crude benzol amine product after reactor converts, nitre
Base benzene content is steadily in the long term in below 10mg/kg, so that catalyst regeneration cycle extended to 7-10 by original 3-4 months
Individual month.
According to above-described embodiment, due to reactor by guider after, the reaction gas with rotation function can be converted to
Body, the Jet Penetration Depth of reacting gas is increased, so that uniform by the reaction gas flow of distributor so that reacting gas
Uniform violent reaction can be carried out with catalyst, carbon distribution caused by reach effectively suppression catalyst defluidization or cross reaction.
So as to extend the regeneration period of catalyst.
In the utility model one embodiment, as shown in figure 5, when distributor body is pipe distributor 501,
The blind end 5021 of the guider 502 towards the catalytic reaction zone top layer, by the through hole to rotate
The mode of jet transmits the reacting gas to the catalytic reaction zone.
In the present embodiment, Fig. 5 is that the low pressure drop high stability distributor that distributor body is pipe distributor is reacting
Position view in device 50, the guider being connected in figure with venthole in pipe distributor are a kind of signal.It is low in figure
Pressure drop high stability distributor is needed the catalytic reaction zone in reactor according to the track L1 shown in figure by reactor
Bottom is circulated to the top of reactor.Therefore the through hole direction in the guider that will be connected with venthole on pipe distributor is needed
The top layer D1 of catalytic reaction zone, to make through hole transmit reacting gas to the top layer D1 of catalytic reaction zone in a manner of rotating jet.
Reacting gas can drive catalyst to be flowed according to the track L1 shown in figure.
According to above-described embodiment, when distributor body is using pipe distributor, the blind end direction catalysis of guider
The top layer of reaction zone, and reacting gas is transmitted to catalytic reaction zone in a manner of rotating jet included through hole, so that
Reacting gas can promote catalyst to flow, so as to improve the mobility of catalyst.
In the utility model one embodiment, as shown in fig. 6, when distributor body uses board-like distributor 601,
The blind end 6021 of the guider 602 towards the catalytic reaction zone bottom, by the through hole to rotate
The mode of jet transmits the reacting gas to the catalytic reaction zone.
In the present embodiment, Fig. 6 is that the low pressure drop high stability distributor that distributor body is board-like distributor is reacting
Position view in device 60, with venthole is connected in board-like distributor guider it is a kind of signal in figure.It is low in figure
Pressure drop high stability distributor 601 is needed the catalytic reaction zone in reactor according to the track L2 shown in figure by reactor
Bottom be circulated to the top of reactor, it is therefore desirable to by with the through hole court in the guider that venthole is connected on board-like distributor
Reacting gas is discharged to the bottom D2 of catalytic reaction zone, to make bottom D2 of the through hole to catalytic reaction zone in a manner of rotating jet
Transmit reacting gas.Reacting gas can drive catalyst to be flowed according to the track L2 shown in figure.
According to above-described embodiment, when distributor body is using board-like distributor, the blind end direction catalysis of guider
Reaction zone bottom, and reacting gas is transmitted to catalytic reaction zone in a manner of rotating jet included through hole, so that instead
Answer gas catalyst can be promoted to flow, so as to improve the mobility of catalyst.
In the utility model one embodiment, as shown in figure 4, the blind end of the guider 401 is cone structure
403。
In the present embodiment, the shape and size of the blind end of guider can determine according to business need, due to working as
The blind end of guider is cone structure, can reduce the stress when blind end of guider is in contact with catalytic reaction zone, because
This cone structure is a kind of preferable structure.
As shown in figure 4, the guider shown in figure, includes height d for 13 millimeters, diameter c is 24 millimeters of taper knot
Structure, and distance e is 20 millimeters.
According to above-described embodiment, when the blind end of guider is cone structure, the blind end and catalytic reaction of guider
When area is in contact, it is possible to reduce the stress that guider is born, so as to reduce the probability that guider is deformed.
In the utility model one embodiment, as shown in figure 4, the surface of each guider 401 is enclosed with
Wear-resisting lining 404.
In the present embodiment, during reactor is run, there are the feelings being in contact in guider with the catalyst flowed
Condition.When being in contact, catalyst can produce certain abrasion to guider, therefore in order to reduce the abrasion condition of guider, often
The surface of one guider is required to be enclosed with wear-resisting lining.
The material and thickness of wear-resisting lining can determine according to business need, for example it is 0.5 millimeter that can select thickness
Ceramic wear-resisting serves as a contrast or corundum wear-resisting lining.
As shown in figure 4, it 404 is just wear-resisting lining that the thickness in figure, which is 0.5 millimeter,.
According to above-described embodiment, the surface of each guider is enclosed with wear-resisting lining.Connect in catalyst with guider
When touching, it is possible to reduce the scuffing of guider, so as to effectively improve the service life of guider.
In the utility model one embodiment, as shown in figure 4, the openend 405 of the guider 401 passes through welding side
The formula venthole 4021 corresponding with the distributor body 402 is connected.
In the present embodiment, the openend for being oriented to gas can be by the welding manners such as electric welding or argon arc welding and distributor body
Upper corresponding gas outlet is connected.It should be noted that need to make openend be in concentric with venthole in welding, with
Reacting gas is set to circulate unobstructed.
According to above-described embodiment, the openend of guider passes through the welding manner venthole corresponding with distributor body
It is connected.Because welding manner is that guider can be made to be firmly fixed on distributor body, therefore guider is in distributor sheet
Steadiness on body is higher.
In the utility model one embodiment, as shown in figure 4, the openend 405 of the guider 401 passes through clamping side
The formula venthole 4021 corresponding with the distributor body 402 is connected.
In the present embodiment, the openend of guider can be provided with least one buckle, in going out for distributor body
At least one bayonet socket corresponding with least one buckle is provided with stomata.When guider openend by snap fit with
When corresponding venthole is connected on distributor body, the buckle bayonet socket corresponding with venthole set by openend matches
Close, guider is fixed on corresponding venthole.
According to above-described embodiment, the openend of guider passes through the snap fit venthole phase corresponding with distributor
Even.Because the convenience using clamping connected mode, guider convenient disassembly, therefore maintenance and replacing guider is high.
In the utility model one embodiment, as shown in fig. 7, being provided with method on the openend 705 of the guider 701
Orchid 703, and at least one bolt hole 7031 is provided with the flange 703;
It is provided with the distributor body 702 corresponding with venthole each described 7021 at least one respectively
Bolt hole 7022;
Each described guider 701, utilizes at least one bolt hole 7031 on the flange 703 and the venthole
At least one bolt hole 7022 corresponding to 7021, it is connected by way of bolt 704 connects with the corresponding venthole 7021.
In the present embodiment, when guider openend uses flange, the outlet that is connected with guider on distribution body
Hole surrounding need to be provided with the bolt hole corresponding with the number of bolt hole of flange and position, to allow to be directed to device by bolt
The flange of openend is connected with corresponding venthole.
In the present embodiment, the flange specification of guider openend and material can determine according to business need.
As shown in fig. 7, guider openend includes titanium, 600 pounds and a diameter of 40 millimeters of flange, include on flange
Have 4 bolts hole being evenly arranged, then the venthole surrounding in corresponding distribution body body be provided with size it is identical and
The bolt hole being evenly arranged.The flange that device openend is directed to by 4 bolts is connected with corresponding venthole.P1 in figure,
P2 and P3 length can determine according to business need, it should be noted that P2 length be greater than guider blind end most
Broadly square width, to there is enough operating spaces, can be such that bolt is screwed into bolt hole.
According to above-described embodiment, flange is provided with the openend of guider, and at least one spiral shell is provided with flange
Keyhole, when guider is connected with venthole, using bolt hole corresponding to the bolt hole and venthole on flange in guider, lead to
Bolted mode is crossed with venthole to be connected.Due to using bolt connecting mode, guider convenient disassembly, therefore maintenance
With the convenience height for changing guider.
In the utility model one embodiment, as shown in figure 4, each described guider 401 is round tube shape structure, and
The openend 405 is provided with pin thread;
Corresponding to each described guider 401 negative thread is provided with venthole 4021;
Each described guider 401, utilize the moon in the pin thread on the openend 405 and the venthole 4021
Screw thread, the mode being connected through a screw thread are connected with the corresponding venthole 4021;
In the present embodiment, the specification and size of the negative thread in the pin thread and venthole of guider openend
To be determined according to business need.It should be noted that the negative thread in the pin thread and venthole of guider openend should be pair
The specification and size answered, so that guider and venthole can connect.
According to above-described embodiment, when guider is connected with the venthole on distributor body, can be opened using guider
Negative thread in the pin thread and venthole at mouth end, the mode being connected through a screw thread make guider be connected with corresponding venthole,
Because the convenience using thread connecting mode, guider convenient disassembly, therefore maintenance and replacing guider is high.
In the utility model one embodiment, as shown in figure 4, each described guider 401 is round tube shape structure, and
The openend 405 is provided with negative thread;
Corresponding to each described guider 401 pin thread is provided with venthole 4021;
Each described guider 401, utilize the sun outside the negative thread on the openend 405 and the venthole 4021
Screw thread, the mode being connected through a screw thread are connected with the corresponding venthole 4021.
In the present embodiment, the specification and size of the pin thread in the negative thread and venthole of guider openend
To be determined according to business need.It should be noted that the pin thread in the negative thread and venthole of guider openend should be pair
The specification and size answered, so that guider and venthole can connect.
According to above-described embodiment, when guider is connected with the venthole on distributor body, can be opened using guider
Pin thread in the negative thread and venthole at mouth end, the mode being connected through a screw thread make guider be connected with corresponding venthole,
Because the convenience using thread connecting mode, guider convenient disassembly, therefore maintenance and replacing guider is high.
In the utility model one embodiment, as shown in figure 4, the openend 405 of each guider 401 is outer
Footpath is less than the external diameter of blind end 403.
In the present embodiment, the external diameter of the openend of guider is less than the external diameter of blind end, can so reduce distributor
The size of venthole in body, so as to increase the percent opening of distributor body.In addition, the external diameter of the openend of guider is less than envelope
During the external diameter of closed end, not only install it is more convenient, and can reduce generation guider used in material.
As shown in figure 4, the diameter i of the openend of guider is 14, the diameter c of blind end is 24.And openend 405 with
When venthole in distributor body is connected, the top of blind end and distributor body has the spacing that distance f is 2 millimeters.
According to above-described embodiment, the external diameter of the openend of each guider is less than the external diameter of blind end, due to openend
The size with the venthole on distributor body is needed to match, the external diameter of blind end is less than when the external diameter of openend to be increased
The percent opening of distributor body.
As shown in figure 8, the utility model embodiment provides a kind of reactor, the reactor includes:Housing 801, air inlet
Mouth 802, catalytic reaction zone 803 and any of the above-described described distributor 804;
The housing 801, for fixing the distributor 804;
The air inlet 802, for reacting gas to be transferred into the distributor 804, so that the distributor 804 is with rotation
The mode for turning jet transmits the reacting gas to the catalytic reaction zone 803;
The catalytic reaction zone 803, the reacting gas transmitted for receiving the distributor 804.
According to embodiment as shown in Figure 8, the reactor includes:Housing, air inlet, catalytic reaction zone and distributor,
Wherein, the reacting gas of air inlet port transmission is discharged into catalytic reaction zone by distributor, due to including guider in the distributor,
After venthole of the reacting gas of air inlet port transmission by distributor body, catalytic reaction zone is not entered directly into, but enter
Enter into the guider being connected with venthole, then again will in a manner of rotating jet the through hole included by each guider
The reacting gas is transmitted to the catalytic reaction zone of reactor, therefore the utility model embodiment can be in relatively low distribution anode drop
Under the conditions of ensure that jet is uniform and depth.
As shown in figure 9, the utility model embodiment provides a kind of application method of low pressure drop high stability distributor, instead
Answer device to be used for the 1200t/a productions that parachlorotoluene gas phase ammonoxidation prepares p-Cyanochlorobenzene, the use of distributor body is tubular type point
The low pressure drop high stability distributor of cloth device, venthole connection in pipe distributor for the guider shown in Fig. 4, this method
It can include:
Step 901:Each guider, utilize the moon in the venthole in the pin thread and pipe distributor on openend
Screw thread, the mode being connected through a screw thread are connected with corresponding venthole.
, it is necessary to which venthole whole in pipe distributor is all connected with into guider in the present embodiment.Such as the tubular type used
Distributor includes 100 ventholes being evenly arranged, and each venthole is provided with negative thread.The guider used
Openend is provided with pin thread, by each guider in 100 guiders, utilizes the pin thread on openend and tubular type point
The negative thread in venthole in cloth device, the mode being connected through a screw thread are connected with corresponding venthole.
Step 902:The pipe distributor for being connected to guider is fixed on the housing of reactor, and with reactor air inlet
Mouth is connected.
In this step, the bolt hole being evenly arranged using pipe distributor surrounding, guider will be connected to by bolt
Pipe distributor be fixed on the housing of reactor, and be connected with reactor air inlet, so that air inlet port transmission can be received
Air.
Step 903:Reacting gas is transferred to pipe distributor by the air inlet of reactor.
In this step, air is transferred to pipe distributor by the air inlet of reactor.
Step 904:Pipe distributor receives the reacting gas of reactor air inlet port transmission, and will be anti-by each venthole
Gas transport is answered to each guider.
In this step, pipe distributor receives the reaction gas for including ammonia and parachlorotoluene of reactor air inlet port transmission
Body, and air is transferred to by each guider by each venthole.
Step 905:Each guider is transmitted connected venthole in a manner of rotating jet included through hole
The reacting gas come is transmitted to the catalytic reaction zone of reactor.
In this step, when air enters the body in guider tubular structure, the blind end of tubular structure will
The air of entrance is turned back, and the catalytic reaction zone of reactor is emitted into by the through hole on tubular structure tube wall.Tubular structure
When blind end turns back the air of entrance, the rotation that the energy that script dissipates on distributor body can be transformed into air is moved
Can, and the air with rotation function is transmitted in a manner of rotating jet to the catalytic reaction zone of reactor.
Step 906:Catalytic reaction zone receives the reacting gas of each guider transmission, anti-to be carried out using reacting gas
Should, and flowed under the drive of reacting gas.
In this step, after air enters catalytic reaction zone, ammonia contacted with parachlorotoluene and air with catalyst into
Row ammoxidation reaction.Wherein, the mol ratio of parachlorotoluene and ammonia is 1:The mol ratio of 4-8, parachlorotoluene and oxygen is 1:9 to 1:5,
For catalyst emulsion zone reaction temperature at 430 DEG C, the actual gas velocity of catalyst emulsion zone is 0.3m/s.When being reacted, due to sky
Gas carries rotation function, increases air-spray depth, so that uniform by the air mass flow of distributor so that air energy
Enough and catalyst carries out uniform violent reaction, carbon distribution caused by reach effectively suppression catalyst defluidization or cross reaction.Cause
Parachlorotoluene conversion ratio can reach 99% in this reaction, can selectively reach 95%.
In summary, each embodiment of the utility model can at least realize following beneficial effect:
1st, in the utility model embodiment, the distributor includes:Distributor body and at least one guider, wherein,
The openend of each guider is connected with a venthole on distributor body, when distributor body receives external reactors
During the reacting gas of air inlet port transmission, reacting gas is transferred to by each venthole of itself by coupled each guiding
Device.Then connected venthole is transmitted next reacting gas to rotate by each guider by the through hole included by itself
The mode of jet is transmitted to the catalytic reaction zone of external reactors.By said process, reacting gas passes through in this programme
After the venthole of distributor body, catalytic reaction zone is not entered directly into, and is into the guider being connected with venthole
In so that reacting gas is changed into rotational flow gas and transmitted in a manner of rotating jet to the catalytic reaction zone of external reactors.
The uniform stability of jet and depth that reacting gas can be improved due to the extra circular rector stability that rotational flow gas has.Therefore originally
Utility model provide embodiment can ensure under relatively low distribution grid pressure reduction conditions jet uniformly and depth.
2nd, in the utility model embodiment, distributor body can include pipe distributor or board-like distributor, can be with
The type of distributor body is chosen according to different business needs, therefore improves the application flexibility of distributor body.
3rd, in the utility model embodiment, when entering the body in guider tubular structure due to reacting gas, pipe
The blind end of shape structure turns back the reacting gas of entrance.And the blind end of tubular structure is when the reacting gas of entrance is turned back,
The energy that script dissipates on distributor body can be transformed into the rotation function of reacting gas, due to entering catalytic reaction
Reacting gas in area carries rotation function, so improving residence time of the reacting gas in catalytic reaction zone.
4th, in the utility model embodiment, due to reactor by guider after, can be converted to rotation function
Reacting gas, the Jet Penetration Depth of reacting gas is increased, so that uniform by the reaction gas flow of distributor so that
Reacting gas can carry out uniform violent reaction with catalyst, be caused with reaching effectively suppression catalyst defluidization or crossing reaction
Carbon distribution.So as to extend the regeneration period of catalyst.
5th, in the utility model embodiment, when distributor body is using pipe distributor, the blind end of guider
Towards the top layer of catalytic reaction zone, and included through hole reaction gas is transmitted in a manner of rotating jet to catalytic reaction zone
Body, so that reacting gas can promote catalyst to flow, so as to improve the mobility of catalyst.
6th, in the utility model embodiment, when distributor body is using board-like distributor, the blind end of guider
Towards catalytic reaction zone bottom, and included through hole reaction gas is transmitted in a manner of rotating jet to catalytic reaction zone
Body, so that reacting gas can promote catalyst to flow, so as to improve the mobility of catalyst.
7th, in the utility model embodiment, when the blind end of guider is cone structure, the blind end of guider with
When catalytic reaction zone is in contact, it is possible to reduce the stress that guider is born, so as to reduce the probability that guider is deformed.
8th, in the utility model embodiment, the surface of each guider is enclosed with wear-resisting lining.In catalyst with leading
When being in contact to device, it is possible to reduce the scuffing of guider, so as to effectively improve the service life of guider.
9th, in the utility model embodiment, the openend of guider is corresponding with distributor body by welding manner
Venthole be connected.Because welding manner is that guider can be made to be firmly fixed on distributor body, therefore guider exists
Steadiness on distributor body is higher.
10th, in the utility model embodiment, the openend of guider is corresponding with distributor by snap fit
Venthole is connected.Due to using clamping connected mode, guider convenient disassembly, therefore maintenance and the facility for changing guider
Property it is high.
11st, in the utility model embodiment, flange is provided with the openend of guider, and be provided with flange to
A few bolt hole, when guider is connected with venthole, using corresponding to the bolt hole and venthole on flange in guider
Bolt hole, it is connected by bolted connection with venthole.Due to using bolt connecting mode, guider dismounting side
Just, therefore the convenience of maintenance and replacing guider is high.
12nd, in the utility model embodiment, when guider is connected with the venthole on distributor body, can utilize
Negative thread in the pin thread and venthole of guider openend, the mode being connected through a screw thread make guider and corresponding outlet
Hole is connected, due to using thread connecting mode, guider convenient disassembly, therefore maintenance and the convenience for changing guider
It is high.
13rd, in the utility model embodiment, when guider is connected with the venthole on distributor body, can utilize
Pin thread in the negative thread and venthole of guider openend, the mode being connected through a screw thread make guider and corresponding outlet
Hole is connected, due to using thread connecting mode, guider convenient disassembly, therefore maintenance and the convenience for changing guider
It is high.
14th, in the utility model embodiment, the external diameter of the openend of each guider is less than the external diameter of blind end, by
The size with the venthole on distributor body is needed to match in openend, when the external diameter of openend is less than the external diameter of blind end
The percent opening of distributor body can be increased.
15th, in the utility model embodiment, the reactor includes:Housing, air inlet, catalytic reaction zone and distribution
Device, wherein, the reacting gas of air inlet port transmission is discharged into catalytic reaction zone by distributor, due to including guiding in the distributor
Device, after the venthole of the reacting gas of air inlet port transmission by distributor body, catalytic reaction zone is not entered directly into, but
Enter in the guider being connected with venthole, then again the through hole included by each guider in a manner of rotating jet
The reacting gas is transmitted to the catalytic reaction zone of reactor, therefore the utility model embodiment can be in relatively low distribution grid pressure
Ensure that jet is uniform and depth under the conditions of drop.
16th, in the utility model embodiment, due to changing jet front end and solid catalyst particle in catalytic reaction zone
The way of contact, therefore the abrasion of solid catalyst particle can be reduced, so as to extend the service life of solid catalyst, reached
Cost-effective purpose is arrived.And due to reducing the abrasion of solid catalyst particle, reduce consolidating after solid catalyst abrasion
The discharge capacity of body granule fines.
It should be noted that herein, such as first and second etc relational terms are used merely to an entity
Or operation makes a distinction with another entity or operation, and not necessarily require or imply and exist between these entities or operation
Any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant be intended to it is non-
It is exclusive to include, so that process, method, article or equipment including a series of elements not only include those key elements,
But also the other element including being not expressly set out, or also include solid by this process, method, article or equipment
Some key elements.In the absence of more restrictions, the key element limited by sentence " including one ", is not arranged
Except other identical factor in the process including the key element, method, article or equipment being also present.
It is last it should be noted that:Preferred embodiment of the present utility model is the foregoing is only, is merely to illustrate this practicality
New technical scheme, is not intended to limit the scope of protection of the utility model.It is all the spirit and principles of the utility model it
Interior done any modification, equivalent substitution and improvements etc., are all contained in the scope of protection of the utility model.
Claims (10)
- A kind of 1. low pressure drop high stability distributor, it is characterised in that including:Distributor body and at least one guider;The guider is the tubular structure of one end closing, and at least one through hole is provided with tube wall;At least one venthole is provided with the distributor body;The openend of each guider is connected with a venthole on the distributor body, and different institutes State guider and correspond to the different ventholes;The distributor body, for receiving the reacting gas of external reactors air inlet port transmission, and pass through each outlet The reacting gas is transferred to each guider by hole;Each described guider, for by included at least one through hole, the connected venthole to be transmitted The reacting gas come is transmitted in a manner of rotating jet to the catalytic reaction zone of the external reactors.
- 2. distributor according to claim 1, it is characterised in thatThe distributor body, including:Pipe distributor or board-like distributor;Wherein, the pipe distributor includes at least one airway tube, is provided with each airway tube at least one described Venthole, and the airway tube is connected with the reactor air inlet;The board-like distributor is platy structure, the tabular knot At least one venthole is provided with structure, and the board-like distributor is connected with the reactor air inlet.
- 3. distributor according to claim 2, it is characterised in thatWhen the distributor body includes pipe distributor,The blind end of the guider towards the catalytic reaction zone top layer, the through hole in a manner of rotating jet to Transmit the reacting gas in the catalytic reaction zone;When the distributor body includes board-like distributor,The blind end of the guider towards the catalytic reaction zone bottom, the through hole in a manner of rotating jet to Transmit the reacting gas in the catalytic reaction zone.
- 4. distributor according to claim 1, it is characterised in thatThe blind end of the guider is cone structure.
- 5. distributor according to claim 4, it is characterised in thatThe surface of each guider is enclosed with wear-resisting lining.
- 6. distributor according to claim 1, it is characterised in thatThe openend of the guider is connected by the welding manner venthole corresponding with the distributor body;Or,The openend of the guider is connected by the snap fit venthole corresponding with the distributor body.
- 7. distributor according to claim 1, it is characterised in thatFlange is provided with the openend of the guider, and at least one bolt hole is provided with the flange;At least one bolt hole corresponding with venthole each described respectively is provided with the distributor body;Each described guider, using at least one corresponding at least one bolt hole on the flange and the venthole Bolt hole, it is connected by bolted connection with the corresponding venthole.
- 8. distributor according to claim 1, it is characterised in thatEach described guider is round tube shape structure, and the openend is provided with pin thread;Corresponding to each described guider negative thread is provided with venthole;Each described guider, using the negative thread in the pin thread on the openend and the venthole, pass through screw thread The mode of connection is connected with the corresponding venthole;Or,Each described guider is round tube shape structure, and the openend is provided with negative thread;Corresponding to each described guider pin thread is provided with venthole;Each described guider, using the pin thread outside the negative thread on the openend and the venthole, pass through screw thread The mode of connection is connected with the corresponding venthole.
- 9. distributor according to claim 6, it is characterised in thatThe external diameter of the openend of each guider is less than the external diameter of blind end.
- A kind of 10. reactor, it is characterised in that including:Housing, air inlet, catalytic reaction zone and claim 1 to 9 are any Described distributor;The housing, for fixing the distributor;The air inlet, for reacting gas to be transferred into the distributor, to make the distributor in a manner of rotating jet The reacting gas is transmitted to the catalytic reaction zone;The catalytic reaction zone, for receiving the reacting gas of the distributor transmission.
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CN201720751721.5U CN206853645U (en) | 2017-06-26 | 2017-06-26 | A kind of low pressure drop high stability distributor and reactor |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107224941A (en) * | 2017-06-26 | 2017-10-03 | 辽宁加宝石化设备有限公司 | A kind of low pressure drop high stability distributor and reactor |
EP4212238A4 (en) * | 2021-11-18 | 2023-09-27 | Lg Chem, Ltd. | Sparger and reactor comprising same |
-
2017
- 2017-06-26 CN CN201720751721.5U patent/CN206853645U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107224941A (en) * | 2017-06-26 | 2017-10-03 | 辽宁加宝石化设备有限公司 | A kind of low pressure drop high stability distributor and reactor |
EP4212238A4 (en) * | 2021-11-18 | 2023-09-27 | Lg Chem, Ltd. | Sparger and reactor comprising same |
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