CN104689767B - A kind of catalytic reaction cell - Google Patents
A kind of catalytic reaction cell Download PDFInfo
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- CN104689767B CN104689767B CN201510134869.XA CN201510134869A CN104689767B CN 104689767 B CN104689767 B CN 104689767B CN 201510134869 A CN201510134869 A CN 201510134869A CN 104689767 B CN104689767 B CN 104689767B
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Abstract
The present invention relates to a kind of catalytic reaction cell, including outer, urceolus, inner core and catalyst cylinder are sequentially coaxially set to interior；The bottom of described urceolus has a urceolus sewage draining exit, a urceolus aeration opening and a urceolus inlet, and this urceolus inlet is positioned at urceolus bottom centre position；An outer cover is stamped at the top of described urceolus, this urceolus lid has an evacuation port, a relief valve and is positioned at the gas outlet at outer cover center, installs an air deflector connected with gas outlet inside outer cover；There is on sidewall bottom described urceolus a urceolus liquid outlet；Described inner core is fixed on the bottom of urceolus, the uncovered setting in its upper end, and this upper end port has inner core liquid outlet.It is an advantage of the current invention that: the catalytic reaction cell of the present invention, simple in construction, catalyst loading and unloading is convenient and catalytic reaction efficiency is high.
Description
Technical field
The present invention relates to a kind of catalytic reaction cell, be specifically related to a kind of convenient catalytic reaction cell of catalyst loading and unloading.
Background technology
Gas-solid contact catalysis reaction is to be completed by solid catalyst under certain temperature, pressure by the gaseous mixture of reaction raw materials, this kind of reactive mode is industrially widely used, it the most all uses the mode of continuous operation, and the subject matter of this kind of reactor design is the handling of heat transfer and catalyst.Current catalytic reaction cell, catalyst loading and unloading is inconvenient, and catalytic reaction is imperfect.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of simple in construction, the catalytic reaction cell that catalyst loading and unloading is convenient and catalytic reaction efficiency is high.
For solving above-mentioned technical problem, the technical scheme is that a kind of catalytic reaction cell, its innovative point is: sequentially coaxially arrange urceolus, inner core and catalyst cylinder to interior outside including；The bottom of described urceolus has a urceolus sewage draining exit, a urceolus aeration opening and a urceolus inlet, and this urceolus inlet is positioned at urceolus bottom centre position；An outer cover is stamped at the top of described urceolus, this urceolus lid has an evacuation port, a relief valve and is positioned at the gas outlet at outer cover center, installs an air deflector connected with gas outlet inside outer cover；There is on sidewall bottom described urceolus a urceolus liquid outlet；Described inner core is fixed on the bottom of urceolus, the uncovered setting in its upper end, and this upper end port has inner core liquid outlet；The bottom of described inner core has an inner core sewage draining exit, an inner core inlet connected with urceolus inlet and an inner core aeration opening connected with urceolus aeration opening；The bottom of described inner core is provided with distributor, and this distributor has a distributor inlet；The distributor inlet of described urceolus inlet, inner core inlet and distributor is sequentially communicated setting by a feed tube, urceolus aeration opening, inner core aeration opening are arranged by an aeration tube connection, this aeration tube be upward through distributor and inwardly after bending vertically upward, the top port of this aeration tube is positioned at the center of inner core, and installs an aerator on its top；The open at both ends up and down of described catalyst cylinder is arranged, the outer wall of this catalyst cylinder hangs on the inwall of inner core, inner core upper port inwall has the annular convex A that a section is L-shaped, accordingly, catalyst cylinder upper port outer wall has the annular convex B that a section is inverted L shape；The two ends up and down of described catalyst cylinder are respectively arranged with suitable with corresponding ports and dismountable upper filter disc and lower filter disc, and the port inner wall of two ends up and down of this catalyst cylinder is respectively mounted the catalyst cylinder upper press ring and of filter disc in a compression and compresses pressure ring under the catalyst cylinder of lower filter disc；Described catalyst cylinder upper press ring is with pressure ring under catalyst cylinder ringwise, its excircle coordinates with catalyst cylinder inner thread, catalyst cylinder upper port inwall and lower port inwall be respectively provided with one on spacing filter disc and the annular convex C and annular convex D of lower filter disc, described upper filter disc and lower filter disc are the most spacing is pressed between catalyst cylinder upper press ring and annular convex C and under catalyst cylinder between pressure ring and annular convex D.
Further, several rectangle draw-in groove being distributed on the excircle of described outer cover ringwise, corresponding has a mounting flange on urceolus top, and the rectangle draw-in groove of described outer cover surrounding is connected with the locking of urceolus top mounting flange by wing nut.
Further, the upper surface of described outer cover is additionally provided with a pair handle.
Further, described air deflector is horn-like, the inner side of reverse mounted cover outside, and its top has an air deflector gas outlet connected with outer cover gas outlet, and bottom is one just to the air deflector air inlet above inner core liquid outlet.
Further, the lateral wall of described urceolus is also installed one connect with urceolus and in observing urceolus the level gauge glass pipe of liquid level；Described level gauge glass pipe is C font, and its two ends are axially extending along urceolus and are respectively and vertically fixed at the upper and lower of outer tube side wall, and the two ends of this level gauge glass pipe connect setting with urceolus.
Further, by a travel(l)ing rest movable supporting on the ground, this travel(l)ing rest is a cuboid framework, and is provided with castor in the corner, bottom of cuboid framework in the bottom of described urceolus.
Further, the upper end port inner wall of described inner core installs an inner core pressure ring, and ringwise, its excircle coordinates this inner core pressure ring with inner core inner thread, and described inner core pressure ring coordinates with inner core inwall and is locked in inner core by catalyst cylinder.
Further, it is respectively provided with an annular slot on the inner periphery of pressure ring and inner core pressure ring under described catalyst cylinder upper press ring, catalyst cylinder, there is in this annular slot a limited block, several rectangular channel in the end face outside of annular slot, is distributed ringwise.
It is an advantage of the current invention that:
(1) the catalyst converter reaction vessel of the present invention, including outer, urceolus is sequentially coaxially set to interior, inner core and catalyst cylinder, catalyst is placed in catalyst cylinder, material and aeration are entered in inner core by feed tube and aeration tube respectively, and with the catalyst reaction being suspended in inner core in catalyst cylinder, flow out in reacted liquid is flowed into urceolus by inner core liquid outlet and by the urceolus liquid outlet of urceolus, urceolus gas outlet effluent air can be fed again in air inlet pipe, the liquid that urceolus liquid outlet flows out is pumped to feed tube again, catalytic reaction is again carried out by feed tube, so circular response stops circulation after meeting requirement, this catalyst converter reaction vessel simple in construction, and catalytic reaction is complete, thus improve the efficiency of catalytic reaction；
(2) outer tube side wall of the present invention is provided with level gauge glass pipe and can facilitate and the height of observing response container contents at any time, and then guarantees that catalytic reaction is normally carried out；
(3) the outer cover on the urceolus top of the present invention is locked by wing bolt, locks convenient and swift；It is provided with handle on urceolus lid, dismounting can be convenient to；An air deflector is installed in the inner side of outer cover, and this air deflector is horn-like, and for above inner core liquid outlet, improves efficiency of giving vent to anger；Evacuation port on urceolus lid, in the case of gas discharge is incomplete, will can be discharged for gas by this evacuation port；Relief valve on urceolus lid, when outer cylinder pressure is excessive, can discharge pressure by this relief valve, improve security performance；
(5) it is provided with distributor bottom the inner core of the present invention, so that material is uniformly sprayed in inner core, the top of aeration tube extends to distributor upper end and is positioned at directly over distributor center simultaneously so that material, gas and catalyst hybrid reaction are uniform, and then improve catalytic reaction efficiency；
(6) the catalyst cylinder of the present invention is suspended in inner core, filter disc is the two ends up and down that detachable form is pressed on catalyst cylinder, wherein filter disc be detachable form so can more catalyst crystal grain size change filter disc, additionally filter disc compresses mode and uses pressure ring under the catalyst cylinder upper press ring and catalyst cylinder being connected with catalyst cylinder inwall female thread, and compressing structure is simple and conveniently regulates；
In order to catalyst cylinder is locked in inner core, prevent catalyst cylinder from being produced axially-movable by the impact of inner core bottoms material in course of reaction, upper end port at inner core is provided with an inner core pressure ring being connected with inner core inner thread too, thus by regulation inner core pressure ring, catalyst cylinder is fixed in inner core, this kind of pressure ring fixed form is simple and readily accessible；
(7) it is respectively provided with an annular slot on the inner periphery of pressure ring and inner core pressure ring under the catalyst cylinder upper press ring of the present invention, catalyst cylinder, there is in this annular slot a limited block, several rectangular channel is distributed ringwise in the end face outside of annular slot, stretch into rectangular channel tailing edge annular slot direction by specific purpose tool to rotate, when instrument top to limited block, continue rotating special tool, and then make pressure ring spiral shell enter to go out with spiral shell, improve the removal efficiency of catalyst cylinder；
(8) movement of reaction vessel for convenience, the bottom of urceolus is by a travel(l)ing rest movable supporting on the ground.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention a kind of catalyst converter reaction vessel.
Fig. 2 is the top view of the present invention a kind of catalyst converter reaction vessel.
Fig. 3 is the front view of urceolus in the present invention a kind of catalyst converter reaction vessel.
Fig. 4 is the top view of urceolus in the present invention a kind of catalyst converter reaction vessel.
Fig. 5 is the sectional view of the present invention a kind of catalyst converter reaction vessel China and foreign countries cover.
Fig. 6 is the top view of the present invention a kind of catalyst converter reaction vessel China and foreign countries cover.
Fig. 7 is the sectional view of air deflector in the present invention a kind of catalyst converter reaction vessel.
Fig. 8 is the front view of inner core in the present invention a kind of catalyst converter reaction vessel.
Fig. 9 is the sectional view of inner core upper port in the present invention a kind of catalyst converter reaction vessel.
Figure 10 is the sectional view of inner core upper press ring in the present invention a kind of catalyst converter reaction vessel.
Figure 11 is the top view of inner core upper press ring in the present invention a kind of catalyst converter reaction vessel.
Figure 12 is the front view of catalyst cylinder in the present invention a kind of catalyst converter reaction vessel.
Figure 13 is the sectional view of catalyst cylinder upper port in the present invention a kind of catalyst converter reaction vessel.
Figure 14 is the sectional view of catalyst cylinder lower port in the present invention a kind of catalyst converter reaction vessel.
Figure 15 is the sectional view of catalyst cylinder upper press ring in the present invention a kind of catalyst converter reaction vessel.
Figure 16 is the top view of catalyst cylinder upper press ring in the present invention a kind of catalyst converter reaction vessel.
Figure 17 is the sectional view of pressure ring under catalyst cylinder in the present invention a kind of catalyst converter reaction vessel.
Figure 18 is the top view of pressure ring under catalyst cylinder in the present invention a kind of catalyst converter reaction vessel.
Figure 19 is filter disc and the front view of lower filter disc on catalyst cylinder in the present invention a kind of catalyst converter reaction vessel.
Figure 20 is filter disc and the top view of lower filter disc on catalyst cylinder in the present invention a kind of catalyst converter reaction vessel.
Detailed description of the invention
If Fig. 1 is to shown in 20, the invention discloses a kind of catalytic reaction cell, including outer, urceolus 1, inner core 2 and catalyst cylinder 3 are sequentially coaxially set to interior.
The bottom of urceolus 1 has urceolus sewage draining exit 4, urceolus aeration opening 5 and a urceolus inlet 6, and this urceolus inlet 6 is positioned at urceolus 1 bottom centre position；An outer cover 7 is stamped at the top of urceolus 1, this outer cover 7 has evacuation port 8, relief valve 9 and and is positioned at the gas outlet 10 at outer cover 7 center, installs an air deflector 11 connected with gas outlet 10 inside outer cover 7；There is on sidewall bottom urceolus 1 a urceolus liquid outlet 12；
Inner core 2 is fixed on the bottom of urceolus 1, the uncovered setting in its upper end, and this upper end port 41 has inner core liquid outlet 13；The bottom of inner core 2 has inner core inlet and the inner core aeration opening 15 connected with urceolus aeration opening 5 that an inner core sewage draining exit 14, connects with urceolus inlet 6；The bottom of inner core 2 is provided with distributor 16, and this distributor 16 has a distributor inlet 17；The distributor inlet 17 of urceolus inlet 6, inner core inlet and distributor 16 is sequentially communicated setting by a feed tube 18, urceolus aeration opening 5, inner core aeration opening 15 are arranged by aeration tube 19 connection, this aeration tube 19 be upward through distributor 16 and inwardly after bending vertically upward, the top port of this aeration tube 19 is positioned at the center of inner core 2, and installs an aerator 20 on its top.
The open at both ends up and down of catalyst cylinder 3 is arranged, the outer wall of this catalyst cylinder 3 hangs on the inwall of inner core 2, inner core upper port 41 inwall has the annular convex A21 that a section is L-shaped, accordingly, catalyst cylinder upper port 42 outer wall has the annular convex B22 that a section is inverted L shape；The two ends up and down of catalyst cylinder are respectively arranged with suitable with corresponding ports and dismountable upper filter disc 23 and lower filter disc, and the port inner wall of two ends up and down of this catalyst cylinder 3 is respectively mounted the catalyst cylinder upper press ring 25 and of filter disc 23 in a compression and compresses pressure ring 26 under the catalyst cylinder of lower filter disc.
Catalyst cylinder upper press ring 25 is with 3 times pressure rings of catalyst cylinder ringwise, its excircle coordinates with catalyst cylinder 3 inner thread, catalyst cylinder upper port 42 inwall and catalyst cylinder lower port 43 inwall be respectively provided with one on spacing the filter disc 23 and annular convex C27 and annular convex D28 of lower filter disc, upper filter disc 23 and lower filter disc are the most spacing is pressed between catalyst cylinder upper press ring 25 and annular convex C27 and between 3 times pressure rings of catalyst cylinder and annular convex D28.
In the present embodiment,
(1) in order on side's outer cover 7 locking and urceolus 1, several rectangle draw-in groove 29 is distributed ringwise on the excircle of outer cover 7, corresponding has a mounting flange 30 on urceolus 1 top, the U-shaped buckle 43 of several rectangle draw-in groove 29 correspondence is distributed on the excircle of this mounting flange 30 ringwise, and the rectangle draw-in groove 29 of outer cover 7 surrounding is connected with the locking of urceolus 1 top mounting flange 30 by wing nut 31；Holding conveniently to take, the upper surface of cover 7 is additionally provided with a pair handle 32 outside；
(2) in order to improve efficiency that gas is given vent to anger, air deflector 11 is in horn-like, the inner side of reverse mounted cover outside 7, its top has an air deflector gas outlet 33 connected with outer cover gas outlet 10, and bottom is one just to the air deflector air inlet 34 above inner core liquid outlet 13；
(3) for the ease of the height of material in Real Time Observation urceolus 1, it is ensured that reaction be normally carried out, the lateral wall of urceolus 1 is also installed one connect with urceolus 1 and in observing urceolus 1 the level gauge glass pipe 35 of liquid level；Level gauge glass pipe 35 is in C font, and its two ends are axially extending along urceolus 1 and are respectively and vertically fixed at the upper and lower of urceolus 1 sidewall, and the two ends of this level gauge glass pipe 35 connect setting with urceolus 1；
(4) movement of reaction vessel for convenience, by a travel(l)ing rest movable supporting on the ground, this travel(l)ing rest is a cuboid framework 36, and is provided with castor 37 in the corner, bottom of cuboid framework 36 in the bottom of urceolus 1；
(5) in order to catalyst cylinder 3 is locked in inner core 2, thus prevent catalyst cylinder 3 from being produced axially-movable by the impact of inner core 2 bottoms material in course of reaction, the upper end port inner wall of inner core 2 installs an inner core pressure ring 38, this inner core pressure ring 38 is ringwise, its excircle coordinates with inner core 2 inner thread, and inner core pressure ring 38 coordinates with inner core 2 inwall and is locked in inner core 2 by catalyst cylinder 3；
(6) dismantle for convenience, an annular slot 44, annular slot 45, annular slot 46 it is respectively provided with on the inner periphery of pressure ring 26 and inner core pressure ring 38 under catalyst cylinder upper press ring 25, catalyst cylinder, be respectively provided with a limited block in this annular slot 44, annular slot 45, annular slot 46, annular slot 44, annular slot 45, annular slot 46 end face outside on several rectangular channel 47, rectangular channel 48, rectangular channel 49 are distributed the most ringwise；Stretch into rectangular channel 40 tailing edge annular slot 39 direction by specific purpose tool to rotate, when instrument top to limited block, continue rotating special tool, and then make pressure ring spiral shell enter to go out with spiral shell, improve the removal efficiency of catalyst cylinder 3.
Operation principle: catalyst is placed in catalyst cylinder 3, material and aeration are entered in inner core 2 by feed tube 18 and aeration tube 19 respectively, and with the catalyst reaction being suspended in inner core 2 in catalyst cylinder 3, in reacted liquid is flowed into urceolus 1 by inner core liquid outlet 13 and flowed out by the urceolus liquid outlet 12 of urceolus 1, urceolus 1 gas outlet 10 effluent air can be fed again in air inlet pipe, the liquid that urceolus liquid outlet 12 flows out is pumped to feed tube 18 again, again carried out catalytic reaction by feed tube 18, such circular response stops circulation after meeting requirement.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; the principle that the present invention is simply described described in above-described embodiment and description; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within scope of the claimed invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (8)
1. a catalytic reaction cell, it is characterised in that: outside including, urceolus, inner core and catalyst cylinder are sequentially coaxially set to interior；
The bottom of described urceolus has a urceolus sewage draining exit, a urceolus aeration opening and a urceolus inlet, and this urceolus inlet is positioned at urceolus bottom centre position；An outer cover is stamped at the top of described urceolus, this urceolus lid has an evacuation port, a relief valve and is positioned at the gas outlet at outer cover center, installs an air deflector connected with gas outlet inside outer cover；There is on sidewall bottom described urceolus a urceolus liquid outlet；
Described inner core is fixed on the bottom of urceolus, its uncovered setting of upper end port, and this upper end port has inner core liquid outlet；The bottom of described inner core has an inner core sewage draining exit, an inner core inlet connected with urceolus inlet and an inner core aeration opening connected with urceolus aeration opening；The bottom of described inner core is provided with distributor, and this distributor has a distributor inlet；The distributor inlet of described urceolus inlet, inner core inlet and distributor is sequentially communicated setting by a feed tube, urceolus aeration opening, inner core aeration opening are arranged by an aeration tube connection, this aeration tube be upward through distributor and inwardly after bending vertically upward, the top port of this aeration tube is positioned at the center of inner core, and installs an aerator on its top；
The open at both ends up and down of described catalyst cylinder is arranged, the outer wall of this catalyst cylinder hangs on the inwall of inner core, inner core upper end port inner wall has the annular convex A that a section is L-shaped, accordingly, catalyst cylinder upper port outer wall has the annular convex B that a section is inverted L shape；The two ends up and down of described catalyst cylinder are respectively arranged with suitable with corresponding ports and dismountable upper filter disc and lower filter disc, and the port inner wall of two ends up and down of this catalyst cylinder is respectively mounted the catalyst cylinder upper press ring and of filter disc in a compression and compresses pressure ring under the catalyst cylinder of lower filter disc；With pressure ring under catalyst cylinder ringwise, its excircle coordinates described catalyst cylinder upper press ring with catalyst cylinder inner thread,
Catalyst cylinder upper port inwall and lower port inwall be respectively provided with one on spacing filter disc and the annular convex C and annular convex D of lower filter disc, described upper filter disc and lower filter disc are the most spacing is pressed between catalyst cylinder upper press ring and annular convex C and under catalyst cylinder between pressure ring and annular convex D.
Catalytic reaction cell the most according to claim 1, it is characterized in that: several rectangle draw-in groove on the excircle of described outer cover, is distributed ringwise, corresponding has a mounting flange on urceolus top, and the rectangle draw-in groove of described outer cover surrounding is connected with the locking of urceolus top mounting flange by wing nut.
Catalytic reaction cell the most according to claim 2, it is characterised in that: the upper surface of described outer cover is additionally provided with a pair handle.
Catalytic reaction cell the most according to claim 1, it is characterized in that: described air deflector is horn-like, the inner side of reverse mounted cover outside, its top has an air deflector gas outlet connected with outer cover gas outlet, and bottom is one just to the air deflector air inlet above inner core liquid outlet.
Catalytic reaction cell the most according to claim 1, it is characterised in that: also install on the lateral wall of described urceolus one connect with urceolus and in observing urceolus the level gauge glass pipe of liquid level；Described level gauge glass pipe is C font, and its two ends are axially extending along urceolus and are respectively and vertically fixed at the upper and lower of outer tube side wall, and the two ends of this level gauge glass pipe connect setting with urceolus.
Catalytic reaction cell the most according to claim 1, it is characterised in that: by a travel(l)ing rest movable supporting on the ground, this travel(l)ing rest is a cuboid framework, and is provided with castor in the corner, bottom of cuboid framework in the bottom of described urceolus.
Catalytic reaction cell the most according to claim 1, it is characterized in that: the upper end port inner wall of described inner core installs an inner core pressure ring, ringwise, its excircle coordinates this inner core pressure ring with inner core inner thread, and described inner core pressure ring coordinates with inner core inwall and is locked in inner core by catalyst cylinder.
8. according to the catalytic reaction cell described in claim 1 or 7, it is characterized in that: under described catalyst cylinder upper press ring, catalyst cylinder, on the inner periphery of pressure ring and inner core pressure ring, be respectively provided with an annular slot, there is in this annular slot a limited block, several rectangular channel in the end face outside of annular slot, is distributed ringwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510134869.XA CN104689767B (en) | 2015-03-26 | 2015-03-26 | A kind of catalytic reaction cell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510134869.XA CN104689767B (en) | 2015-03-26 | 2015-03-26 | A kind of catalytic reaction cell |
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| Publication Number | Publication Date |
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| CN104689767A CN104689767A (en) | 2015-06-10 |
| CN104689767B true CN104689767B (en) | 2016-08-17 |
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| CN201510134869.XA Active CN104689767B (en) | 2015-03-26 | 2015-03-26 | A kind of catalytic reaction cell |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4096691A (en) * | 1975-06-04 | 1978-06-27 | Toyota Jidosha Kogyo Kabushiki Kaisha | Catalyst container for use in exhaust manifold |
| JP2002102678A (en) * | 2000-09-29 | 2002-04-09 | Shimadzu Corp | Swirling current type gas-liquid reactor |
| CN101259412A (en) * | 2006-11-24 | 2008-09-10 | 哈尔滨工业大学 | Process for preparing Fe/inorganic carrier catalyst |
| US20090118557A1 (en) * | 2007-11-06 | 2009-05-07 | Fina Technology, Inc. | Dehydrogenation of alkyl aromatics |
| CN104096514A (en) * | 2013-04-09 | 2014-10-15 | 上海国际化建工程咨询公司 | Isothermal fixed bed reactor loading catalyst among heat exchange tubes |
| CN203916626U (en) * | 2014-05-08 | 2014-11-05 | 田晓良 | A kind of inner/outer drum structure the radial reactor with interpolation pipe heat exchanger |
-
2015
- 2015-03-26 CN CN201510134869.XA patent/CN104689767B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4096691A (en) * | 1975-06-04 | 1978-06-27 | Toyota Jidosha Kogyo Kabushiki Kaisha | Catalyst container for use in exhaust manifold |
| JP2002102678A (en) * | 2000-09-29 | 2002-04-09 | Shimadzu Corp | Swirling current type gas-liquid reactor |
| CN101259412A (en) * | 2006-11-24 | 2008-09-10 | 哈尔滨工业大学 | Process for preparing Fe/inorganic carrier catalyst |
| US20090118557A1 (en) * | 2007-11-06 | 2009-05-07 | Fina Technology, Inc. | Dehydrogenation of alkyl aromatics |
| CN104096514A (en) * | 2013-04-09 | 2014-10-15 | 上海国际化建工程咨询公司 | Isothermal fixed bed reactor loading catalyst among heat exchange tubes |
| CN203916626U (en) * | 2014-05-08 | 2014-11-05 | 田晓良 | A kind of inner/outer drum structure the radial reactor with interpolation pipe heat exchanger |
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| CN104689767A (en) | 2015-06-10 |
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