CN206996520U - Redistribution formula axial flow reactor bed supporting construction and axial flow reactor - Google Patents
Redistribution formula axial flow reactor bed supporting construction and axial flow reactor Download PDFInfo
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- CN206996520U CN206996520U CN201720520916.9U CN201720520916U CN206996520U CN 206996520 U CN206996520 U CN 206996520U CN 201720520916 U CN201720520916 U CN 201720520916U CN 206996520 U CN206996520 U CN 206996520U
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- axial flow
- flow reactor
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Abstract
The utility model discloses a kind of redistribution formula axial flow reactor bed supporting construction and axial flow reactor, supporting construction to include：Support, support are connected to the support bar on frame including frame and both ends；V-type silk screen, V-type silk screen are arranged on above support bar；Distribution grid, distribution grid are connected to support bar, are arranged on below support bar, uniformly offer circular hole on distribution grid, the section of distribution grid is waveform.It is that the distribution grid that waveform is set can play the effect of redistribution to entrance fluid by section, flow velocity is more uniformly distributed along what whole cross section was distributed, and the entrance circulation area of distribution grid can be increased, the pressure drop of supportive grid is diminished；Impact of the entrance fluid to V-type silk screen can be mitigated, put forward the service life of V-type silk screen.The presence of V-type or circular section distribution grid, the composite bending modulus of supportive grid can be increased, so as to improve the bearing capacity of reactor bed supporting construction.
Description
Technical field
Oil and field of chemical equipment are the utility model is related to, more particularly, to a kind of axially stream reaction of redistribution formula
Device bed supporting construction and axial flow reactor.
Background technology
For the catalyst of reactor, drier or adsorbent bed supporting construction, two kinds, i.e. planar support are generally divided into
Grid and cylindrical support grid.Both supporting constructions correspond to axial flow reactor and radial flow reactors respectively.Plane
Grill support structure, as shown in figure 1, being generally used for axial flow fixed bed reactor.Such reactor catalyst bed is in level
Pie arrangement, fluid flows through bed vertically.Planar support grid is typically made up of V-type silk screen, support bar and frame.For
It is some that higher reactor is required to flow control, even fluid distribution degree, generally require to install one layer in the lower section of V-type silk screen
Distribution grid.Perforate is offered on the distribution grid, serves the effect of redistribution.As shown in Figure 2.
But two problems that this flat distribution grid is brought, 1) due to the limitation of perforate spacing, opening on distribution grid
Porosity (ratio of perforate circulation area and total sectional area) is relatively low, and the pressure drop that medium flows through distribution grid is larger.2) distribution grid is opened
Flow velocity at hole exits is very fast, obvious to the souring of V-type silk screen, causes the erosion corrosion of silk screen, easily makes for a long time
With fracture.
It is therefore desirable to research and develop one kind to play entrance fluid redistribution effect, while mitigate entrance fluid to V-type
The redistribution formula axial flow reactor bed supporting construction and axial flow reactor of the impact of silk screen.
Utility model content
The utility model provides a kind of redistribution formula axial flow reactor bed supporting construction and axial flow reactor, divides again
Cloth axial flow reactor bed supporting construction can be as the particulate matter of vertical reactor, vertical drier and vertical purification device
Bed supporting construction, the redistribution formula axial flow reactor bed supporting construction can play the effect of redistribution to entrance fluid
Fruit, and the entrance circulation area of distribution grid can be increased, mitigate impact of the entrance fluid to V-type silk screen.
To achieve these goals, a kind of redistribution formula axial flow reactor is provided according to one side of the present utility model
Bed supporting construction, including：
Support, the support are connected to the support bar on the frame including frame and both ends；
V-type silk screen, the V-type silk screen are arranged on above the support bar；
Distribution grid, the distribution grid are connected to the support bar, are arranged on below the support bar, on the distribution grid
Even to offer circular hole, the section of the distribution grid is waveform.
Preferably, distribution grid includes polylith splice plate, and circular hole is uniformly offered on every piece of splice plate, and the polylith is spelled
Fishplate bar, which can mutually splice, makes the section of the distribution grid be waveform.
Preferably, the splice plate is V word splice plates, and the section of every piece of V words splice plate is V-shaped, the V-shaped
Angle be 45 ° -110 °.
Preferably, the splice plate is circular arc splice plate, and the section of every piece of circular arc splice plate is circular arc, the circle
The cornerite of arc is 90 ° -180 °.
Preferably, the circular hole is triangular in shape on the distribution grid or square distribution.
Preferably, the distribution grid is welded in the support bar.
Preferably, the wedge angle of the V-type silk screen is welded on the support bar.
Preferably, in addition to fastener, the fastener can be by being arranged the axially stream reaction of two neighboring redistribution formula
The frame of device bed supporting construction is connected with each other multiple redistribution formula axial flow reactor bed supporting constructions.
A kind of axial flow reactor is provided according to the new another aspect of this practicality, including, the axially stream reaction of redistribution formula
Device bed supporting construction.
Preferably, in addition to：
Housing, the redistribution formula axial flow reactor bed supporting construction are arranged in the housing；
Inlet tube, the inlet tube are arranged on the bottom of the housing；
Outlet, the outlet are arranged on the case top；
Import distributor, the import distributor are arranged on the enclosure interior, are communicated in the inlet tube；
Grid is compressed, the compression grid is arranged in the housing, positioned at the redistribution formula axial flow reactor bed
Above layer supporting construction；
Particulate matter bed, the particulate matter bed be arranged on the redistribution formula axial flow reactor bed supporting construction with
Between the compression grid.
Preferably, the redistribution formula axial flow reactor bed supporting construction includes the first bracing ring and the second support
Circle, first bracing ring is arranged on the enclosure interior, and positioned at the housing middle and upper part, second bracing ring is arranged on institute
Enclosure interior is stated, positioned at the housing middle and lower part, the compression grid is arranged in the housing by first bracing ring,
The redistribution formula axial flow reactor bed supporting construction is arranged in the housing by second bracing ring.
The beneficial effects of the utility model are：It is that the distribution grid that waveform is set can rise to entrance fluid by section
To the effect of redistribution, flow velocity is more uniformly distributed along what whole cross section was distributed, and the entrance circulating face of distribution grid can be increased
Product, makes the pressure drop of supportive grid diminish；Impact of the entrance fluid to V-type silk screen can be mitigated, put forward the service life of V-type silk screen.
System of the present utility model has other a characteristics and advantage, and these characteristics and advantage are from the accompanying drawing being incorporated herein
It will be apparent with subsequent specific embodiment, or by the accompanying drawing and subsequent specific embodiment being incorporated herein
Middle to be stated in detail, these the drawings and specific embodiments are provided commonly for explaining certain principles of the present utility model.
Brief description of the drawings
The utility model exemplary embodiment is described in more detail in conjunction with the accompanying drawings, it is of the present utility model above-mentioned
And other purposes, feature and advantage will be apparent, wherein, in the utility model exemplary embodiment, identical
Reference number typically represents same parts.
Fig. 1 shows the reactor bed planar grille supporting construction of prior art.
Fig. 2 shows the reactor bed grill support structure with distribution grid in the prior art.
Fig. 3 is shown to be shown according to the redistribution formula axial flow reactor bed supporting construction of the utility model one embodiment
It is intended to.
Fig. 4 shows the redistribution formula axial flow reactor bed supporting construction edge according to the utility model one embodiment
The sectional view of A-A sections.
Fig. 5, which shows to be supported according to multiple redistribution formula axial flow reactor beds of the utility model one embodiment, to be connected
Connect schematic diagram.
Fig. 6 shows the axial flow reactor schematic diagram according to the utility model one embodiment.
Fig. 7 is shown according to top view of the axial flow reactor of the utility model one embodiment along B-B sections.
Fig. 8 shows the redistribution formula axial flow reactor bed supporting construction according to another embodiment of the utility model
Schematic diagram.
Fig. 9 shows the redistribution formula axial flow reactor bed supporting construction according to another embodiment of the utility model
Along the sectional view of C-C sections.
Description of reference numerals：
1st, redistribution formula axial flow reactor bed supporting construction；2nd, grid is compressed；3rd, particulate matter bed；4th, housing；5、
Outlet；6th, inlet tube；7th, import distributor；8th, V-type silk screen；9th, frame；10th, support bar；11st, distribution grid；12nd, V words splice
Plate；13rd, circular arc splice plate；14th, circular hole；15th, support beam；16th, the second bracing ring；17th, fastener；18th, prior art distribution grid.
Embodiment
The utility model is more fully described below with reference to accompanying drawings.Although shown in accompanying drawing of the present utility model preferred
Embodiment, however, it is to be appreciated that may be realized in various forms the utility model without should be limited by embodiments set forth here
System.On the contrary, these embodiments are provided so that the utility model is more thorough and complete, and can will be of the present utility model
Scope is intactly communicated to those skilled in the art.
According to redistribution formula axial flow reactor bed supporting construction of the present utility model, including：
Support, support are connected to the support bar on frame including frame and both ends；
V-type silk screen, V-type silk screen are arranged on above support bar；
Distribution grid, distribution grid are connected to support bar, are arranged on below support bar, and circular hole is uniformly offered on distribution grid, point
The section of fabric swatch is waveform.
Specifically, it is that the distribution grid that waveform is set can play the effect of redistribution to entrance fluid by section, makes
Flow velocity is more uniformly distributed along what whole cross section was distributed, and can increase the entrance circulation area of distribution grid, makes the pressure of supportive grid
Drop diminishes；Impact of the entrance fluid to V-type silk screen can be mitigated, put forward the service life of V-type silk screen.
It is highly preferred that the plane side orientating reaction device bed of V-type silk screen, prevents from scratching particulate matter；Reactor bed can
Think beds, drier bed and it is adsorbent bed in one kind.
Circular hole is uniformly offered on distribution grid, the section of distribution grid is waveform, can play redistribution to entrance fluid
Effect, flow velocity is more uniformly distributed along what whole cross section was distributed.Under same perforate arrangement condition, because surface area increases,
The total sectional area of circular hole is multiplied on distribution grid, so as to increase the entrance circulation area of distribution grid, makes supporting construction
Pressure drop diminishes；Impact of the entrance fluid to V-type silk screen can be mitigated, caused corrosion and fracture tendency are washed away in mitigation, so as to
Improve the service life of V-type silk screen.
Preferably, distribution grid includes polylith splice plate, and circular hole, polylith splicing are uniformly offered on every piece of splice plate
Plate, which can mutually splice, makes the section of distribution grid be waveform.
Specifically, the splicing of polylith splice plate makes the section of distribution grid be waveform, can increase the composite bending modulus of distribution grid,
So as to improve the bearing capacity of redistribution formula axial flow reactor bed supporting construction
Preferably, splice plate is V word splice plates, and the section of every piece of V word splice plate is V-shaped, the angle of V-shaped
For 45 ° -110 °.
Preferably, splice plate is circular arc splice plate, and the section of every piece of circular arc splice plate is circular arc, circular arc
Cornerite is 90 ° -180 °.
Preferably, circular hole is triangular in shape on distribution grid or square distribution.
Preferably, distribution grid is welded in support bar.
Specifically, the distribution grid of V words splice plate or circular arc splice plate is welded on support bar, and distribution grid periphery is welded with frame
Connect, turn into the plane supporting structure of a globality.And in the prior art, distribution grid and V-type silk screen be separate, non-integral
Property structure, it is impossible to play a part of sharing lood.Therefore the scheme in the utility model can significantly increase the bending resistance of distribution grid
Modulus, so as to improve the bearing capacity of redistribution formula axial flow reactor bed supporting construction.Loaded in equivalent responses device bed
The vertical deflection of distribution grid can be reduced under weight condition, and the flatness of support can be improved, and can reduce support
The quantity and weight of beam.
Preferably, the wedge angle of V-type silk screen is welded on support bar.
It is highly preferred that support bar both ends are welded on frame, redistribution formula axial flow reactor is made by the way of welding
The globality of bed supporting construction is improved, and then the ability for bearing weight load is improved
Preferably, in addition to fastener, fastener can axially be flowed instead by being arranged two neighboring redistribution formula
Answering the frame of device bed supporting construction is connected with each other multiple redistribution formula axial flow reactor bed supporting constructions.
According to a kind of axial flow reactor of the present utility model, including, redistribution formula axial flow reactor bed support knot
Structure.
Preferably, in addition to：
Housing, redistribution formula axial flow reactor bed supporting construction are arranged in housing；
Inlet tube, inlet tube are arranged on the bottom of housing；
Outlet, outlet are arranged on case top；
Import distributor, import distributor are arranged on enclosure interior, are communicated in inlet tube；
Grid is compressed, grid is compressed and is arranged in housing, in redistribution formula axial flow reactor bed supporting construction
Side；
Particulate matter bed, particulate matter bed are arranged on redistribution formula axial flow reactor bed supporting construction with compressing grid
Between.
Preferably, including the first bracing ring and the second bracing ring, the first bracing ring are arranged on enclosure interior, are located at
Housing middle and upper part, the second bracing ring are arranged on enclosure interior, positioned at housing middle and lower part, compress grid and are set by the first bracing ring
In housing, redistribution formula axial flow reactor bed supporting construction is arranged in housing by the second bracing ring.
Specifically, for the ease of by redistribution formula axial flow reactor bed supporting construction and compress grid be arranged on housing
Inside, the first bracing ring and the second bracing ring along the circumferencial direction extension of the housing are provided with inner walls, compresses grid
It is supported on the first bracing ring above, redistribution formula axial flow reactor bed supporting construction is supported on underlying
On one the second bracing ring.In supporting construction by the assembled feelings of multiple redistribution formula axial flow reactor bed supporting constructions
Under condition, frame can be connected to the second bracing ring by fastener.
Embodiment 1
Fig. 3 is shown to be shown according to the redistribution formula axial flow reactor bed supporting construction of the utility model one embodiment
It is intended to.Fig. 4 is shown according to the redistribution formula axial flow reactor bed supporting construction of the utility model one embodiment along A-A
The sectional view of section.Fig. 5 shows multiple redistribution formula axial flow reactor beds according to the utility model one embodiment
Support connection diagram.Fig. 6 shows the axial flow reactor schematic diagram according to the utility model one embodiment.Fig. 7 is shown
According to top view of the axial flow reactor of the utility model one embodiment along B-B sections.
As shown in fig. 3 to 7, wherein the direction of arrow represents the flow direction of reacting fluid, according to the axial flow reactor, bag
Include, redistribution formula axial flow reactor bed supporting construction 1.
Wherein, redistribution formula axial flow reactor bed supporting construction 1, including：Support, support include frame 9 and both ends
The support bar 10 being connected on frame；V-type silk screen 8, V-type silk screen 8 are arranged on the top of support bar 10；Distribution grid 11, distribution grid 11
Support bar 10 is connected to, the lower section of support bar 10 is arranged on, uniformly offers circular hole 14 on distribution grid 11, the section of distribution grid 11 is
Waveform.
Wherein, distribution grid includes polylith splice plate, uniformly offers circular hole 14 on every piece of splice plate, polylith splice plate can
Mutually splicing makes the section of distribution grid be waveform.
Wherein, splice plate is V words splice plate 12, and the section of every piece of V words splice plate 12 is V-shaped, and the angle of V-shaped is
90°。
Wherein, the distribution triangular in shape on distribution grid of circular hole 14.
Wherein, distribution grid 11 is welded in support bar 10.
Wherein, the wedge angle of V-type silk screen 8 is welded on support bar 10.
Wherein, in addition to fastener 17, fastener 17 can be by being arranged two neighboring redistribution formula axial flow reactor
The frame 9 of bed supporting construction 1 is connected with each other multiple redistribution formula axial flow reactor bed supporting constructions 1.
It is highly preferred that also include support beam 15, when multiple phases of redistribution formula axial flow reactor bed supporting construction 1 interconnect
Support beam 15 is set in stitching portion bottom when connecing, makes the connection of multiple redistribution formula axial flow reactor bed supporting constructions 1 more
It is firm.
Wherein, in addition to：Housing 4, redistribution formula axial flow reactor bed supporting construction 1 are arranged in housing 4；Import
Pipe 6, inlet tube 6 are arranged on the bottom of housing 4；Outlet 5, outlet 5 are arranged on the top of housing 4；Import distributor 7, import
Distributor 7 is arranged on inside housing 4, is communicated in inlet tube 6；Grid 2 is compressed, grid 2 is compressed and is arranged in housing 4, positioned at weight
The distributed top of axial flow reactor bed supporting construction 1；Particulate matter bed 3, particulate matter bed 3 are arranged on redistribution formula axial direction
Between flow reactor bed supporting construction 1 and compression grid 2.
Wherein, including the first bracing ring (not shown) and the second bracing ring 16, the first bracing ring are arranged on inside housing 4,
Positioned at the middle and upper part of housing 4, the second bracing ring 16 is arranged on inside housing 4, positioned at the middle and lower part of housing 4, is compressed grid 2 and is passed through first
Bracing ring is arranged in housing 4, and redistribution formula axial flow reactor bed supporting construction 1 is arranged on shell by the second bracing ring 16
In body 4.
The entrance circulation area of distribution grid 11 can be increased according to the axial flow reactor of the present embodiment, distribution grid 11 can
The effect of redistribution is played to entrance fluid, flow velocity is more uniformly distributed along what whole cross section was distributed.Relative to the distribution of planar shaped
For plate, the V-shaped waveform in cross section of the distribution grid 11 in the present embodiment, can perforate under same perforate arrangement condition
Area be multiplied, the total sectional area of circular hole 14 is multiplied, and can so significantly increase the entrance circulating face of distribution grid 11
Product.After circulation area increase, fluid is reduced by the flow velocity of distribution grid 11, the pressure drop of supporting construction is diminished, is saved energy.
After waveform distribution grid 11 is flowed through, the flow direction of reacting fluid changes, and can mitigate the impact to V-type silk screen 8,
Caused corrosion and fracture tendency are washed away in mitigation, so as to improve the service life of V-type silk screen 8.Under many circumstances, reactor
The fracture of V-type silk screen 8 is due to caused by the impact of fluid.Due to the perforated area increase on distribution grid 11, fluid passes through
The flow velocity of distribution grid 11 reduces, and can also mitigate the erosion to V-type silk screen 8.
Embodiment 2
Fig. 8 shows the redistribution formula axial flow reactor bed supporting construction according to another embodiment of the utility model
Schematic diagram.Fig. 9 shows the redistribution formula axial flow reactor bed supporting construction according to another embodiment of the utility model
Along the sectional view of C-C sections.
As Figure 8-9, wherein the direction of arrow represents the flow direction of reacting fluid, the redistribution formula axial flow reactor
Bed supporting construction, including：Support, support are connected to the support bar 10 on frame including frame 9 and both ends；V-type silk screen 8, V-type
Silk screen 8 is arranged on the top of support bar 10；Distribution grid 11, distribution grid 11 are connected to support bar 10, are arranged on the lower section of support bar 10, point
Circular hole 14 is uniformly offered on fabric swatch 11, the section of distribution grid 11 is waveform.
Wherein, distribution grid 11 includes polylith splice plate, and circular hole 14, polylith splice plate energy are uniformly offered on every piece of splice plate
Enough mutually splicings make the section of distribution grid 11 be waveform.
Wherein, splice plate is circular arc splice plate 13, and the section of every piece of circular arc splice plate 13 is circular arc, the cornerite of circular arc
For 180 °.
Wherein, the distribution triangular in shape on distribution grid of circular hole 14.
Wherein, distribution grid 11 is welded in support bar 10.
Wherein, the wedge angle of V-type silk screen 8 is welded on support bar 10.
Relative to traditional supporting construction, the carrying of the redistribution formula axial flow reactor bed supporting construction of the present embodiment
Ability is stronger.In the prior art, prior art distribution grid 18 and V-type silk screen be separate, the non-integral property structure, it is impossible to play
The effect of sharing lood.In the present embodiment, distribution grid 11 is welded on the support bar 10 of V-type silk screen 8, and periphery is welded with frame 9
Connect, turn into the plane supporting structure of a globality, therefore the ability for bearing vertical weight load is improved.Also, this reality
The cross section for applying distribution grid 11 in example is in circular arc wave-shaped, therefore can effectively increase redistribution formula axial flow reactor bed branch
The composite bending modulus of support structure, so as to improve the bearing capacity of redistribution formula axial flow reactor bed supporting construction.Equal anti-
Under the premise of answering device bed Weight Loaded, the vertical deflection of redistribution formula axial flow reactor bed supporting construction can in the present embodiment
To reduce, the flatness of support is improved, and can reduce the quantity and weight of supported underneath beam.Equally, the present embodiment
In redistribution formula axial flow reactor bed supporting construction due to the composite bending modulus increase in section itself, grid point can be reduced
The number of block.
The utility model be particularly suitable for use in the requirement of convection body distributing homogeneity compared with it is high, treating capacity is big, pressure drop requirements are strict
Reaction or absorption, drying, cleaning equipment.
It will be understood by those skilled in the art that the purpose of the description to embodiment of the present utility model is only for exemplary above
Ground illustrates the beneficial effect of embodiment of the present utility model, is not intended to embodiment of the present utility model being limited to given
Any example.
It is described above each embodiment of the present utility model, described above is exemplary, and non-exclusive, and
And it is also not necessarily limited to disclosed each embodiment.In the case of without departing from the scope and spirit of illustrated each embodiment, for
Many modifications and changes will be apparent from for those skilled in the art.
Claims (11)
- A kind of 1. redistribution formula axial flow reactor bed supporting construction, it is characterised in that the redistribution formula axially stream reaction Device bed supporting construction includes：Support, the support are connected to the support bar on the frame including frame and both ends；V-type silk screen, the V-type silk screen are arranged on above the support bar；Distribution grid, the distribution grid are connected to the support bar, are arranged on below the support bar, are uniformly opened on the distribution grid Provided with circular hole, the section of the distribution grid is waveform.
- 2. redistribution formula axial flow reactor bed supporting construction according to claim 1, it is characterised in that distribution grid bag Include polylith splice plate, uniformly offer circular hole on every piece of splice plate, the polylith splice plate can mutually splice make it is described The section of distribution grid is waveform.
- 3. redistribution formula axial flow reactor bed supporting construction according to claim 2, it is characterised in that the splicing Plate is V word splice plates, and the section of every piece of V words splice plate is V-shaped, and the angle of the V-shaped is 45 ° -110 °.
- 4. redistribution formula axial flow reactor bed supporting construction according to claim 2, it is characterised in that the splicing Plate is circular arc splice plate, and the section of every piece of circular arc splice plate is circular arc, and the cornerite of the circular arc is 90 ° -180 °.
- 5. redistribution formula axial flow reactor bed supporting construction according to claim 1, it is characterised in that the circular hole The triangular in shape or square distribution on the distribution grid.
- 6. redistribution formula axial flow reactor bed supporting construction according to claim 1, it is characterised in that the distribution Plate weld is in the support bar.
- 7. redistribution formula axial flow reactor bed supporting construction according to claim 1, it is characterised in that the V-type The wedge angle of silk screen is welded on the support bar.
- 8. redistribution formula axial flow reactor bed supporting construction according to claim 1, it is characterised in that also include tight Firmware, the fastener can be by being arranged the frame of two neighboring redistribution formula axial flow reactor bed supporting construction It is connected with each other multiple redistribution formula axial flow reactor bed supporting constructions.
- 9. a kind of axial flow reactor, it is characterised in that including the redistribution formula as described in any one in claim 1-8 Axial flow reactor bed supporting construction.
- 10. axial flow reactor according to claim 9, it is characterised in that also include：Housing, the redistribution formula axial flow reactor bed supporting construction are arranged in the housing；Inlet tube, the inlet tube are arranged on the bottom of the housing；Outlet, the outlet are arranged on the case top；Import distributor, the import distributor are arranged on the enclosure interior, are communicated in the inlet tube；Grid is compressed, the compression grid is arranged in the housing, positioned at the redistribution formula axial flow reactor bed branch Above support structure；Particulate matter bed, the particulate matter bed be arranged on the redistribution formula axial flow reactor bed supporting construction with it is described Between compression grid.
- 11. axial flow reactor according to claim 10, it is characterised in that supported including the first bracing ring and second Circle, first bracing ring is arranged on the enclosure interior, and positioned at the housing middle and upper part, second bracing ring is arranged on institute Enclosure interior is stated, positioned at the housing middle and lower part, the compression grid is arranged in the housing by first bracing ring, The redistribution formula axial flow reactor bed supporting construction is arranged in the housing by second bracing ring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720520916.9U CN206996520U (en) | 2017-05-11 | 2017-05-11 | Redistribution formula axial flow reactor bed supporting construction and axial flow reactor |
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|---|---|---|---|
| CN201720520916.9U CN206996520U (en) | 2017-05-11 | 2017-05-11 | Redistribution formula axial flow reactor bed supporting construction and axial flow reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113262725A (en) * | 2021-05-20 | 2021-08-17 | 中国石油化工股份有限公司 | Up-flow hydrogenation reactor |
-
2017
- 2017-05-11 CN CN201720520916.9U patent/CN206996520U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113262725A (en) * | 2021-05-20 | 2021-08-17 | 中国石油化工股份有限公司 | Up-flow hydrogenation reactor |
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