CN203565055U - Tubular reactor - Google Patents
Tubular reactor Download PDFInfo
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- CN203565055U CN203565055U CN201320503172.1U CN201320503172U CN203565055U CN 203565055 U CN203565055 U CN 203565055U CN 201320503172 U CN201320503172 U CN 201320503172U CN 203565055 U CN203565055 U CN 203565055U
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Abstract
The utility model discloses a tubular reactor which comprises a reactor cabinet and a plurality of tubulations arranged in the reactor cabinet at intervals, wherein the reactor cabinet comprises a cabinet body and a horizontal base fixed at the bottom of the cabinet body, and the reactor cabinet is also provided with a reaction material inlet and a reaction product output which are communicated with the plurality of tubulations, wherein at least one tubulation is obliquely arranged relative to the horizontal base. As at least one tubulation in the tubular reactor provided by the utility model is obliquely arranged relative to the horizontal base, in the process of filling catalyst, the catalyst can slowly slide in the tubulations with the help of the weight of the catalyst relatively, so that the uniformity of catalyst filler can be provided, the fluidity of the reaction fluid can be improved, the pressure drop can be reduced, the problem of gas attachment generated in the operation of exothermic reaction can be solved, and the heat transfer of the tubulations can be improved, and then the security and reliability of the reactor can be ensured.
Description
Technical field
The utility model relates to reactor field, particularly, relates to a kind of shell and tube reactor, relates more specifically to a kind of tubular fixed-bed catalytic reactor.
Background technology
In chemical industry, fixed bed reactors refer to that fluid carries out the device of chemical reaction by the fixed bed being formed by solid catalyst.Fixed bed catalytic reactor is widely used in industrial production, for example, and synthetic, the distillate hydrogenation of ammonia, residual hydrogenation.But for the larger chemical process of thermal discharge, as synthetic in FT, aniline Hydrogenation cyclohexylamine, ethylene epoxy ethane, oxidizing sulfur dioxide sulfur trioxide processed, synthesis gas synthesizing methanol, acetylene chlorination preparing chloroethylene, benzene oxidation maleic anhydride processed, ortho-xylene phthalic anhydride processed etc., in order to facilitate the stable control in heat-obtaining and course of reaction, usually need tubular fixed-bed catalytic reactor, be all called in this article shell and tube reactor.
This shell and tube reactor is a widely used class reaction unit in current chemical industry.Compare with fluidized-bed reactor, in the pipe of shell and tube reactor, flow and approach laminar flow, material back-mixing is not serious, and reaction selectivity and conversion ratio are higher, and enlarge-effect is little, and the construction cycle is short.And compare with insulation fix bed or interlayer heat exchange type fixed bed reactors, it is strong that shell and tube reactor moves heat energy power, and bore is to having a narrow range of temperature, be conducive to the raising of reaction selectivity, in pipe, temperature is easy to control, and owing to not needing a reaction mass Macrodilution, and has improved the production capacity of equipment.Based on above-mentioned advantage, shell and tube reactor is still widely used in the strong exothermal reaction process of high selectivity, high conversion.
In decades, although the aspects such as the basic theory of shell and tube reactor design and operating characteristic have obtained research widely, the thing of many regularity is all examined bright substantially, but how generally believe and effectively conduct heat, reduce pressure drop, improve between pipe fluid and distribute, thereby further improve conversion ratio, production intensity aspect also needs to carry out a large amount of research work.
Wherein, rectilinear or be called vertical shell and tube catalytic reactor for conventional a kind of in this type of reactor.In practice, find, even if for the reactor of new filling, the pressure drop of vertical shell and tube catalytic reactor is higher, and the industrial effect of reactor exists significant improvement space.
In addition,, on conducting heat, if adopt water under high pressure and steam heat-obtaining, due to the impact of lower floor's tube wall, the lateral surface of rectilinear tubulation can form larger area air film, i.e. the attached problem of gas.Cause heat to be difficult for unofficial biography, finally not only can affect the reactivity worth problem of chemical process, also can affect the safety problem of reactor.
Utility model content
The purpose of this utility model is to provide a kind of shell and tube reactor, and this shell and tube reactor can improve the uniformity of catalyst filling at least in part, and pressure drop is lower and can promote at least in part reaction effect and the reliability of shell and tube reactor.
To achieve these goals, the utility model provides a kind of shell and tube reactor, comprise reactor casing and be disposed on a plurality of tubulations in described reactor casing, described reactor casing comprises casing main body and is fixed on the horizontal base of this casing bottom part body, on described reactor casing, be also provided with reaction raw materials import and the reacting product outlet being communicated with described a plurality of tubulations, wherein, described at least one, tubulation is obliquely installed with respect to described horizontal base.
Preferably, described a plurality of tubulation be arranged in parallel and all with respect to described horizontal base, is obliquely installed.
Preferably, the angle between described tubulation and described horizontal base is 10 °～70 °, is preferably 30 °～60 °.
Preferably, the axis of described casing main body and the bearing of trend of described tubulation are parallel.
Preferably, the internal diameter of described tubulation is 0.39cm～25.4cm, is preferably 0.8cm～15.8cm, is more preferably 1.6cm～10.3cm.
Preferably, the length of described tubulation is 0.5m～50m, is preferably 3m～25m, is more preferably 5m～20m.
Preferably, described reactor casing also comprises horizontal top cover, and this horizontal top cover is fixed on the upper end of described casing main body.
Preferably, described horizontal-top covers and is fixed with the first joint being communicated with described reaction raw materials entrance, on described horizontal base, be fixed with the second joint being communicated with described reacting product outlet, the bearing of trend of described the first joint and described the second joint is respectively perpendicular to described horizontal top cover and described horizontal base.
Preferably, described reactor casing sealing, and be provided with heat exchange medium entrance and heat exchange medium exit, and in described casing main body, be fixed with the 3rd joint being communicated with described heat exchange medium entrance and the 4th joint being communicated with described heat exchange medium entrance.
Preferably, in described reactor casing, be also fixed with demarcation strip, this demarcation strip is between adjacent described tubulation.
By technique scheme, at least one tubulation in the shell and tube reactor providing due to the utility model is obliquely installed with respect to horizontal base, therefore in the process of catalyst filling, can realize catalyst by gravity relatively slow slip in this tubulation.Therefore the filling of catalyst can be realized again, the uniformity that action improves filler in tubulation can also be slipped into by slower speed.Thereby can improve the mobility of reacting fluid in tubulation, reduce pressure drop, and can improve tubulation heat transfer, thereby guarantee the security reliability of reactor.
Other feature and advantage of the present utility model partly in detail are described the specific embodiment subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for description, is used from explanation the utility model, but does not form restriction of the present utility model with the specific embodiment one below.In the accompanying drawings:
Fig. 1 is the structural representation of the shell and tube reactor that shows that the utility model preferred embodiment provides;
Fig. 2 is the schematic diagram that shows tubulation and angle that horizontal base is in Fig. 1;
Fig. 3 is the confined state schematic diagram that show to use the shell and tube reactor of the assembly method that the utility model preferred embodiment provides.
Description of reference numerals
1 reactor casing 2 tubulations
The horizontal basal plane of 5 demarcation strip 6
8 bearings
11,71 casing main body 12 horizontal bases
13 horizontal top cover 31 first joints
32 second joint 41 the 3rd joints
41 the 4th joints
72 pedestal 73 top covers
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that not doing contrary explanation, the noun of locality using is as undefined in the situation of " upper and lower, the end, top ", the normal work of shell and tube reactor that normally provides at the utility model, particularly can be with reference to the page shown in figure 1 and Fig. 3, wherein in Fig. 1, the bearing of trend of the horizontal base 12 of shell and tube reactor is " horizontal direction ", and in Fig. 3, is that the bearing of trend of horizontal basal plane 6 is " horizontal direction ".These nouns of locality, only for the utility model is described, are not limited to the utility model.
Below with reference to accompanying drawing 1 to Fig. 3, introduce shell and tube reactor that the utility model provides and the assembly method of shell and tube reactor, the two all can realize the purpose of this utility model, the shell and tube reactor that wherein the utility model provides is realized by self structure, and the assembly method that the utility model provides can will make shell and tube reactor also can realize the purpose of this utility model by assembling means.The assembly method that wherein the utility model provides can be adapted to various forms of shell and tube reactors.In order to clearly demonstrate, the shell and tube reactor that paper the utility model provides.
As depicted in figs. 1 and 2, the utility model provides a kind of shell and tube reactor, comprise reactor casing 1 and be disposed on a plurality of tubulations 2 in reactor casing 1, reactor casing 1 comprises casing main body 11 and is fixed on the horizontal base 12 of these casing main body 11 bottoms, when work, this horizontal base 12 is horizontally fixed on workplace.And, on reactor casing 1, be also provided with the reaction raw materials import and the reacting product outlet that are communicated with a plurality of tubulations 2.Therefore when work, first catalyst filling in tubulation, when catalyst forms after uniform fixed bed in tubulation, can be by inputting reacting fluid from reaction raw materials import, and at reacting product outlet output-response product, wherein, in order to complete the purpose of this utility model, in the shell and tube reactor providing at the utility model, at least one tubulation 2 is obliquely installed with respect to horizontal base 12.When work, this at least one tubulation 2 can be obliquely installed with respect to horizontal direction.
Therefore, in technique scheme, shell and tube reactor with respect to horizontal (horizontal) and rectilinear (vertical), the reactor that the utility model provides is when carrying out Catalyst packing, can realize catalyst by gravity relatively slow slip in this tubulation, therefore can either realize the filling of catalyst, can also slip into by slower speed the uniformity that action improves filler in tubulation, can not cause reaction mass and the bias current of product material and short circuit, effectively guaranteed that the Flow of Goods and Materials in subsequent reactions process is smooth and easy, effectively reduce the two ends pressure drop of consersion unit, this industrial effect to reactor is highly beneficial.
In addition, aspect heat transfer, if adopt high pressure water and steam heat-obtaining, the bubble that reaction tube tube wall lateral surface produces can produce bubble, and the speed of Bubble formation increases with the temperature difference rising of tube wall and heat-obtaining medium, and constantly leaves wall and rise to the vapor space.Bubble couples together before departing from surface, forms the unsettled vapor film of one deck, and liquid can not directly be contacted with the area of heating surface.Because the heat conductivility of steam is poor, the additional thermal resistance of air film all sharply declines convective heat-transfer coefficient and heat flux.
The bubble that vertical reaction tube (vertical) tube wall produces can be owing to moving upward along tube wall, and these bubbles especially easily couple together and produce larger bubble at tube wall lateral surface, and then the gas phenomenon of meeting occurrence of large-area, thus the obstacle that induces reaction and conduct heat.The bubble that the inclination of reaction tube can make reaction tube wall produce is shorter at the stroke of uphill process, (d is reaction tube diameter to be generally not more than d/cos β, β is reaction tube inclination angle), can not form large bubble and just can enter liquid phase, leave reaction tube within a short period of time, do not produce large-area air film, thereby promote the turbulent flow of liquid, all favourable to the reactivity worth problem of chemical process and safety problem.
It should be noted that, the embodiment that can realize technique scheme has multiple, for example the concrete arrangement of tubulation 2 is, structure of reactor casing 1 etc., for aspect explanation the utility model, at this, introduce preferred embodiment wherein, this preferred embodiment, only for the utility model is described, is not limited to the utility model.
As described in Figure 1, in preferred embodiment of the present utility model, preferably, a plurality of tubulations 2 in shell and tube reactor be arranged in parallel and all with respect to horizontal base 12, are obliquely installed.And more preferably, the axis of casing main body 11 is parallel with the bearing of trend of tubulation 2.Therefore can farthest realize the purpose of this utility model, and farthest utilize the space in casing main body 11, be convenient to the installation of corresponding component.Wherein preferably, the angle β between tubulation and horizontal base 11 is 10 °～70 °, is more preferably 30 °～60 °.
In order to make stablizing with separate between tubulation 2, preferably, in reactor casing 1, be also fixed with demarcation strip 5, this demarcation strip 5 is between adjacent tubulation 2.That is, by demarcation strip 5, can make each tubulation in a relatively independent space, and can mutually not interfere.
In addition, preferably, reactor casing 1 also comprises the horizontal top cover 13 with horizontal base 12 parallel installations, and this horizontal top cover 13 is fixed on the upper end of casing main body 11.Therefore as shown in Figure 1, the cross section of the shell and tube reactor that the utility model provides forms the structure of parallelogram, the axis direction that is casing main body 11 is parallel with the bearing of trend of tubulation 2, and the two is all angle setting with horizontal base 12 and horizontal top cover 13, presents angle β.Thereby the rational in infrastructure of integral reactor taken up room and Stability Analysis of Structures.
In addition, in order to guarantee the temperature of reaction, preferably, the shell and tube reactor that the utility model provides also has hot-swap feature, as shown in Figure 1,11 sealings of reactor casing, and be provided with heat exchange medium entrance and heat exchange medium exit, so by for example passing through heat exchange medium entrance, outlet, to interior heat exchange medium, cooling water, the vapours etc. constantly passed through of reactor casing 11, so that can uniform temperature in shell and tube reactor, thereby guarantee carrying out smoothly of respective reaction.
As shown in Figure 1, in order to facilitate the input of reaction raw materials, the output of product, the turnover of heat exchange medium, preferably, on horizontal top cover 13, be fixed with the first joint 31 being communicated with reaction raw materials entrance, on horizontal base 12, be fixed with the bearing of trend of the second joint 32, the first joints 31 of being communicated with reacting product outlet and the second joint 32 respectively perpendicular to horizontal top cover 13 and horizontal base 12, to facilitate reaction raw materials to enter in each tubulation 2 and the output of product.In addition also preferably, in casing main body 11, be fixed with the 3rd joint 41 being communicated with heat exchange medium entrance, and the 4th joint 42, the three joints 41 that are communicated with heat exchange medium entrance and the 4th joint 42 along continuous straight runs extensions, with the conveying of aspect heat exchange medium.The above-mentioned first, second, third and the 3rd joint all adopts ring flange as the connector with corresponding pipeline, thereby the convenient shell and tube reactor that the utility model is provided is applied various occasions.
In addition, in the design of tubulation, in order to make effect and the reliability of reaction higher, the internal diameter that can design tubulation is 0.39cm～25.4cm, is preferably 0.8cm～15.8cm, is more preferably 1.6cm～10.3cm.And design tubulation 2 length be 0.5m～50m, be preferably 3m～25m, be more preferably 5m～20m.Thereby farthest promote the reaction efficiency of tubulation and the reacting dose of unit interval.
Finally, each assembly of the shell and tube reactor that the utility model provides is all used stainless steel to make as reactor casing 1, tubulation 2, demarcation strip 5 etc., so that the corrosion resistance of equipment to be provided.
Above-mentioned introduction by this body structure realized the utility model object shell and tube reactor, introduces the assembly method that realizes the shell and tube reactor of the utility model object by assembling mode below.
As shown in Figure 3, the assembly method of the shell and tube reactor providing at the utility model, first shell-and-tube reactor comprises reactor casing 1 and is disposed on a plurality of tubulations that are arranged in parallel 2 in reactor casing 1, on reactor casing 1, be also provided with the reaction raw materials import and the reacting product outlet that are communicated with a plurality of tubulations 2, therefore, can complete continuous chemical reaction in actual use.Wherein in order to realize above-mentioned purpose of the present utility model, the assembly method that the utility model provides comprises reactor casing 1 is fixed on horizontal basal plane 6, and tubulation 2 is obliquely installed with respect to horizontal basal plane 6.Particularly, can be by between horizontal basal plane 6 and the casing of reactor 1, bearing 8 being set, the bearing 8 by different size can make to be different from other shell and tube reactors of the shell and tube reactor that the utility model provides also can realize the purpose of this utility model.Wherein those skilled in the art can be according to the angle of inclination of needed tubulation 2, design various bearing 8, the bearing that wherein preferably this bearing 8 is controllabilitys, so that shell and tube reactor has multiple different angle of inclination, thereby further promotes practicality.
That is, can be by the tubulation in shell and tube reactor 2 with respect to described horizontal basal planes tilted.Thereby can realize the purpose of this utility model.That is, enough fall by catalyst self gravitation relatively slow slip in tubulation, to improve the uniformity of the filler of corresponding tubulation, thereby can improve the mobility of reacting fluid in tubulation, reduce pressure drop, and can improve tubulation heat transfer, thereby guarantee the security reliability of reactor.
Wherein, in order to obtain best result of use, making the angle β between tubulation and horizontal basal plane 6 is 10 °～70 °, and more preferably, making angle β is 30 °～60 °.And in order to make each tubulation stablizing when tilting assembling, be also fixed with demarcation strip 5 in reactor casing 1, this demarcation strip 5 is between adjacent tubulation 2, to guarantee the relative independentability of each tubulation.
Wherein, due to the assembly method of having used the utility model to provide, therefore with regard to the structure of shell and tube reactor itself, do not need to arrange tubulation 2 and there is angle with the structure of itself, therefore, preferably, as shown in Figure 3, the pedestal 72 that reactor casing 1 comprises casing main body 71, is fixed on casing main body 71 top top covers 73 and is fixed on casing main body 71 lower ends, the axis of design casing main body 71 is mutually vertical with pedestal 72 with top cover 73, and is parallel to each other with tubulation 2.This structure can farthest be utilized the space in reactor casing 1 equally.And preferably, this shell and tube reactor also has hot-swap feature, that is, reactor casing sealing, and be provided with heat exchange medium entrance and heat exchange medium exit, with by heat exchange medium to meet the reaction temperature of tubulation.
Wherein structurally, preferably on top cover 73, be fixed with the first joint 31 being communicated with reaction raw materials entrance, on pedestal 72, be fixed with the bearing of trend of the second joint 32, the first joints 31 of being communicated with reacting product outlet and the second joint 32 respectively perpendicular to top cover 73 and pedestal 72.And be fixed with the 3rd joint 41 being communicated with heat exchange medium entrance in casing main body 11, and the 4th joint 42 being communicated with heat exchange medium entrance.This is first, second, third identical with the shell and tube reactor that the utility model preferred embodiment provides with the 4th joint, all adopts flange as the connector with corresponding pipeline.
In addition, in order to guarantee tubulation operating efficiency and the effect under heeling condition, equally preferably, the internal diameter of tubulation is 0.39cm～25.4cm, is preferably 0.8cm～15.8cm, is more preferably 1.6cm～10.3cm.And the length of tubulation is 0.5m～50m, be preferably 3m～25m, be more preferably 50m～20m.And the parts such as reactor casing 1, tubulation 2 demarcation strips 5 are stainless steel.
To sum up, no matter be the shell and tube reactor that the utility model provides, or the assembly method of shell and tube reactor, all can realize the purpose of this utility model, that is, enough by catalyst self gravitation relatively slow slip into the uniformity that improves filler in tubulation, thereby can improve the mobility of reacting fluid in tubulation, reduce pressure drop, and can improve tubulation heat transfer, thereby guarantee the security reliability of reactor.Thereby there is higher practicality and promotional value.
Illustrate in greater detail by the following examples the effect in the utility model.
Getting respectively 15 liters of (quality is 9.3kg) diameters is 1.1mm, and the butterfly shape gama-alumina bar that length is 3-4mm is as catalyst, and following shell and tube reactor is filled in filling, to test pressure drop.
Pressure fall-off test method is, take air as medium, measures the pressure differential before and after reactor at flow under the condition that is 1.25m3/min.
It is long that comparative example 1. is chosen 10m in shell and tube reactor, the stainless steel tubulation of internal diameter 5.15cm, and when reaction, it is vertically placed.
It is long that embodiment 1. chooses 10m in shell and tube reactor, the stainless steel tubulation of internal diameter 5.15cm, and when reaction, make itself and horizontal direction there is the angle of 30 °.
It is long that embodiment 2. chooses 10m in shell and tube reactor, the stainless steel tubulation of internal diameter 5.15cm, and when reaction, make itself and horizontal direction there is the angle of 45 °.
It is long that embodiment 3. chooses 10m in shell and tube reactor, the stainless steel tubulation pipe of internal diameter 5.15cm, and when reaction, make itself and level there is the angle of 60 °.
The reactor that wherein mode that makes tubulation inclination in embodiment 1-3 can provide by employing the utility model the assembly method that also can adopt the utility model to provide is provided and is realized, gained reaction result is listed in shown in table 1, can find out with the obvious advantage in the pressure drop that reduces consersion unit two ends of the utility model.
Table 1
| ? | Comparative example | Embodiment 1 | |
Embodiment 3. |
| Pressure drop/MPa | 0.423 | 0.314 | 0.312 | 0.317 |
Below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present utility model, also can be combined, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (15)
1. a shell and tube reactor, comprise reactor casing (1) and be disposed on a plurality of tubulations (2) in described reactor casing (1), described reactor casing (1) comprises casing main body (11) and is fixed on the horizontal base (12) of this casing main body (11) bottom, on described reactor casing (1), be also provided with reaction raw materials import and the reacting product outlet being communicated with described a plurality of tubulations (2), it is characterized in that, tubulation described at least one (2) is obliquely installed with respect to described horizontal base (12).
2. shell and tube reactor according to claim 1, is characterized in that, described a plurality of tubulations (2) be arranged in parallel and all with respect to described horizontal base (12), are obliquely installed.
3. shell and tube reactor according to claim 1 and 2, is characterized in that, the angle (β) between described tubulation and described horizontal base (11) is 10 °～70 °.
4. shell and tube reactor according to claim 3, is characterized in that, the angle (β) between described tubulation and described horizontal base (11) is 30 °～60 °.
5. shell and tube reactor according to claim 2, is characterized in that, the axis of described casing main body (11) is parallel with the bearing of trend of described tubulation (2).
6. shell and tube reactor according to claim 1, is characterized in that, the internal diameter of described tubulation is 0.39cm～25.4cm.
7. shell and tube reactor according to claim 6, is characterized in that, the internal diameter of described tubulation is 0.8cm～15.8cm.
8. shell and tube reactor according to claim 7, is characterized in that, the internal diameter of described tubulation is 1.6cm～10.3cm.
9. shell and tube reactor according to claim 1, is characterized in that, the length of described tubulation is 0.5m～50m.
10. shell and tube reactor according to claim 9, is characterized in that, the length of described tubulation is 3m～25m.
11. shell and tube reactors according to claim 10, is characterized in that, the length of described tubulation is 5m～20m.
12. shell and tube reactors according to claim 1, is characterized in that, described reactor casing (1) also comprises horizontal top cover (13), and this horizontal top cover (13) is fixed on the upper end of described casing main body (11).
13. shell and tube reactors according to claim 12, it is characterized in that, on described horizontal top cover (13), be fixed with the first joint (31) being communicated with described reaction raw materials entrance, on described horizontal base (12), be fixed with the second joint (32) being communicated with described reacting product outlet, the bearing of trend of described the first joint (31) and described the second joint (32) is respectively perpendicular to described horizontal top cover (13) and described horizontal base (12).
14. shell and tube reactors according to claim 1, it is characterized in that, described reactor casing sealing, and be provided with heat exchange medium entrance and heat exchange medium exit, and be fixed with the 3rd joint (41) being communicated with described heat exchange medium entrance in described casing main body (11), and the 4th joint (42) being communicated with described heat exchange medium entrance.
15. shell and tube reactors according to claim 1, is characterized in that, are also fixed with demarcation strip (5) in described reactor casing (1), and this demarcation strip (5) is positioned between adjacent described tubulation (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320503172.1U CN203565055U (en) | 2013-08-16 | 2013-08-16 | Tubular reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320503172.1U CN203565055U (en) | 2013-08-16 | 2013-08-16 | Tubular reactor |
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| CN203565055U true CN203565055U (en) | 2014-04-30 |
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| CN201320503172.1U Withdrawn - After Issue CN203565055U (en) | 2013-08-16 | 2013-08-16 | Tubular reactor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368281A (en) * | 2013-08-16 | 2015-02-25 | 中国石油化工股份有限公司 | Tubular reactor |
| CN104549057A (en) * | 2015-02-05 | 2015-04-29 | 青岛亿明翔精细化工科技有限公司 | Multipurpose tubular packed reactor |
| CN106917163A (en) * | 2017-03-13 | 2017-07-04 | 中国科学院过程工程研究所 | A kind of hydrocarbon cracking prepares the reaction system and its processing method and purposes of carbon fiber |
| CN107406618A (en) * | 2014-12-23 | 2017-11-28 | 爱奥尼亚技术有限责任公司 | Depolymerization |
| CN108238944A (en) * | 2016-12-27 | 2018-07-03 | 中国石油化工股份有限公司 | A kind of method that aromatic compound isothermal pipe reaction prepares nitro compound |
-
2013
- 2013-08-16 CN CN201320503172.1U patent/CN203565055U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368281A (en) * | 2013-08-16 | 2015-02-25 | 中国石油化工股份有限公司 | Tubular reactor |
| CN104368281B (en) * | 2013-08-16 | 2016-07-20 | 中国石油化工股份有限公司 | Shell and tube reactor |
| CN107406618A (en) * | 2014-12-23 | 2017-11-28 | 爱奥尼亚技术有限责任公司 | Depolymerization |
| CN107406618B (en) * | 2014-12-23 | 2021-02-23 | 爱奥尼亚技术有限责任公司 | Polymer degradation |
| CN104549057A (en) * | 2015-02-05 | 2015-04-29 | 青岛亿明翔精细化工科技有限公司 | Multipurpose tubular packed reactor |
| CN108238944A (en) * | 2016-12-27 | 2018-07-03 | 中国石油化工股份有限公司 | A kind of method that aromatic compound isothermal pipe reaction prepares nitro compound |
| CN108238944B (en) * | 2016-12-27 | 2019-09-17 | 中国石油化工股份有限公司 | A kind of method that aromatic compound isothermal pipe reaction prepares nitro compound |
| CN106917163A (en) * | 2017-03-13 | 2017-07-04 | 中国科学院过程工程研究所 | A kind of hydrocarbon cracking prepares the reaction system and its processing method and purposes of carbon fiber |
| CN106917163B (en) * | 2017-03-13 | 2019-06-14 | 中国科学院过程工程研究所 | A kind of hydrocarbon cracking prepares the reaction system and its processing method and purposes of carbon fiber |
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