CN205269603U - A heterogeneous liquid distributor for tubular reactor - Google Patents
A heterogeneous liquid distributor for tubular reactor Download PDFInfo
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- CN205269603U CN205269603U CN201520989698.4U CN201520989698U CN205269603U CN 205269603 U CN205269603 U CN 205269603U CN 201520989698 U CN201520989698 U CN 201520989698U CN 205269603 U CN205269603 U CN 205269603U
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- bottom plate
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- shell
- circular bottom
- dispensing system
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Abstract
The utility model provides a heterogeneous liquid distributor for tubular reactor, including feeding hybrid system and feeding distribution system, the mixed ystem installation of feeding inlet pipe top outside the reactor is close to the position of feed inlet or installs in reactor, the feeding distribution system is located on feeding hybrid system and the reactor between the tube sheet leading liquid distribution system and the rearmounted liquid distribution system that is located leading liquid distribution system below. During above -mentioned structure can be high -efficient, high homogeneity's the reaction feeding that will contain more than two and two not each other solution phase distributes tubular reactor's every tubulation, realize each looks liquid evenly distributed among the reaction sequence, be favorable to reducing reaction effect's between axial -temperature gradient and tubulation difference, further realize in the tubular reactor tube bank reaction characteristics homogenization in the every reaction tube.
Description
Technical field
The utility model proposes a kind of novel multi-phase fluid sparger, for by two or more treat Homogeneous phase mixing, distribution Liquid distribution in every root tubulation of shell and tube reactor, to carry out uniform chemical reaction, specifically a kind of multi-phase fluid sparger for shell and tube reactor.
Background technology
Shell and tube reactor is a kind of conventional chemical reactor, it is possible to operates as a fixed bed, it is also possible to operate with the form of trickle bed, has very big handiness. Such shell and tube reactor is generally used for the reaction process carrying out very exothermic or strong endothermic, reaction is heated by the heating medium in tube bank outside or heat-eliminating medium or is cooled. Multiple bundle of reaction tubes being filled with catalyzer of doing is produced in the reaction of shell and tube reactor, reactant is evenly distributed to every root reaction tubes particularly important. In the miscible system that only there is single liquid phase, this kind of partition ratio is easier to realize, as long as the resistance substantially ensureing every root reaction tubes in tube bank is identical. But when reaction medium be two or more do not dissolve each other liquid phase time, distribution problem becomes more to give prominence to and be difficult to solve.
Practical novel content
In view of this, the utility model is intended to propose a kind of multi-phase fluid sparger for shell and tube reactor, to solve in the shell and tube reactor having two or more immiscible liquid phases to participate in reaction, the equally distributed problem of liquid, it is achieved shell and tube reactor equal the one of response characteristic is changed in every root reaction tubes in restraining.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of multi-phase fluid sparger for shell and tube reactor, comprise charging mixing system and feed distribution system, described charging mixing system is installed on the position of close opening for feed above the outer feed-pipe of reactor or is installed in reactor, described feed distribution system, between described charging mixing system and reactor upper tubesheet, comprises preposition fluid dispensing system and is positioned at the rearmounted fluid dispensing system below preposition fluid dispensing system.
Further, described charging mixing system is Venturi-type entry mixers or static mixing type entry mixers.
Further, described preposition fluid dispensing system comprises 1��3 liquid-distributing layers, described liquid-distributing layers comprises a circular bottom plate, cofferdam it is arranged with outside circular bottom plate, described circular bottom plate is evenly embedded with some separatory sleeve pipes, the top of described separatory sleeve pipe is concordant with described circular bottom plate upper surface, and its lower end stretches out described circular bottom plate lower surface certain length; The separatory sleeve pipe of each layer of described preposition fluid dispensing system is crisscross arranged.
Further, described rearmounted fluid dispensing system comprises 1��3 liquid reallocation layer, described liquid reallocation layer comprises a circular bottom plate, cofferdam it is arranged with outside circular bottom plate, described circular bottom plate is evenly embedded with some separatory sleeve pipes again, described circular bottom plate upper surface certain distance is stretched out on the top of the described sleeve pipe of separatory again, and the sidewall being positioned at the separatory sleeve pipe again of the part above described circular bottom plate is provided with at least one overflow weir, the lower end of the described sleeve pipe of separatory again stretches out described circular bottom plate lower surface certain length, and in the tubulation of its lower end insertion reaction device of the separatory again tube bank of the liquid reallocation layer of last layer.
Further, the central position of every three adjacent casings of a liquid-distributing layers or liquid reallocation layer after every layer of separatory sleeve pipe correspondence of described preposition fluid dispensing system.
Further, described preposition fluid dispensing system and rearmounted fluid dispensing system form built-up type integrative-structure or Demountable.
Further, described charging mixing system is arranged at inside reactor, and described charging mixing system and described feed distribution system form built-up type integrative-structure or Demountable.
Further, described preposition fluid dispensing system is all mutually parallel with the tube sheet of shell and tube reactor with the circular bottom plate of rearmounted fluid dispensing system, and the upper and lower opening of sleeve pipe set by it is also all mutually parallel with the tube sheet of shell and tube reactor.
Further, in the multilayer feed distribution system that described preposition fluid dispensing system and rearmounted fluid dispensing system are formed, the shadow area of last layer liquid-distributing layers on next layer of liquid-distributing layers or liquid reallocation layer be next layer of liquid-distributing layers or liquid reallocation aspect long-pending 50��100%.
Further, described feed distribution system be surface-area under the pyramid structure that increases successively.
Relative to prior art, the multi-phase fluid sparger for shell and tube reactor described in the utility model has following advantage:
Can efficiently, high uniformity will be assigned in every root tubulation of shell and tube reactor containing the do not dissolve each other reaction feed of liquid phase of two and two or more, realize each phase liquid in reaction process to be uniformly distributed, be conducive to reducing the difference of reaction effect between axial-temperature gradient and tubulation, realize the equal change of response characteristic in every root reaction tubes in shell and tube reactor tube bank further.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide of the present utility model it is further understood that schematic description and description of the present utility model is for explaining the utility model, does not form improper restriction of the present utility model. In the accompanying drawings:
Fig. 1 is the structural representation of the single liquid-distributing layers of the preposition fluid dispensing system described in the utility model embodiment;
Fig. 2 is the structural representation of the single liquid reallocation layer of the rearmounted fluid dispensing system described in the utility model embodiment;
Fig. 3 is a kind of structural representation implementing state of the multi-phase fluid sparger described in the utility model embodiment.
Description of reference numerals:
1-cofferdam, 2-separatory sleeve pipe, 3-is separatory sleeve pipe again, 4-overflow weir, 5-beds, 6-reactor tubulation.
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", it is based on orientation shown in the drawings or position relation that the orientation of the instruction such as " outward " or position are closed, it is only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device referred to or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model. in addition, term " first ", " the 2nd " etc. are only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technology feature. thus, the feature being limited with " first ", " the 2nd " etc. can be expressed or implicit comprise one or more these features. in description of the present utility model, unless otherwise explanation, the implication of " multiple " is two or more.
In description of the present utility model, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, it is possible to be fixedly connected with, it is also possible to be removably connect, or connect integratedly; Can be mechanically connected, it is also possible to be electrical connection; Can be directly be connected, it is also possible to be indirectly connected by intermediary, it is possible to be the connection of two element internals. For the ordinary skill in the art, it is possible to understand the concrete implication of above-mentioned term in the utility model by particular case.
Below with reference to the accompanying drawings and come the utility model is described in detail in conjunction with the embodiments.
Embodiment
A kind of multi-phase fluid sparger for shell and tube reactor, as shown in Figure 3, comprise charging mixing system and feed distribution system, described charging mixing system is installed in reactor, described feed distribution system is Venturi-type entry mixers, between described charging mixing system and reactor upper tubesheet, comprise preposition fluid dispensing system and it is positioned at the rearmounted fluid dispensing system below preposition fluid dispensing system.
According to the characteristic of reactor diameter and reaction medium, design as follows: wherein preposition fluid dispensing system comprises 2 liquid-distributing layers, as shown in Figure 1, each liquid-distributing layers comprises a circular bottom plate, cofferdam 1 it is arranged with outside circular bottom plate, described circular bottom plate is evenly embedded with some separatory sleeve pipes 2, the top of described separatory sleeve pipe 2 is concordant with described circular bottom plate upper surface, and its lower end stretches out described circular bottom plate lower surface certain length (be specially and be about about 50mm apart from next Layer assignment layer circular bottom plate); And the central position of every three adjacent casings of the corresponding later layer liquid-distributing layers of the first layer separatory sleeve pipe of preposition fluid dispensing system; The central position of every three adjacent casings on first liquid reallocation layer of the corresponding rearmounted fluid dispensing system of second layer separatory sleeve pipe.
Described rearmounted fluid dispensing system also comprises 2 liquid reallocation layers, as shown in Figure 2, described liquid reallocation layer comprises a circular bottom plate, cofferdam 1 it is arranged with outside circular bottom plate, described circular bottom plate is evenly embedded with some sleeve pipes of separatory again 3, the top of the described sleeve pipe of separatory again 3 is stretched out described circular bottom plate upper surface and is about 100mm, and it is positioned on the sidewall of the separatory sleeve pipe 3 again of the part above described circular bottom plate circumference and evenly offers 2 overflow weirs 4 that (aperture position of overflow weir and size need to be arranged respectively according to reaction medium characteristic, overflow orifice diameter is about 3mm in the present embodiment, position of opening is about 40mm apart from circular bottom plate), the lower end of the described sleeve pipe of separatory again 3 stretches out described circular bottom plate lower surface, last layer is about 50mm apart from next Distribution Layer circular bottom plate below separatory sleeve pipe again, the sleeve pipe of separatory again 3 of last layer of liquid reallocation layer insert inside be provided with beds 5 reactor tube bank reactor tubulation 6 in about 20mm.
Wherein, the charging mixing system of the present embodiment and described feed distribution system form built-up type integrative-structure; Preposition fluid dispensing system is all mutually parallel with the tube sheet of shell and tube reactor with the circular bottom plate of rearmounted fluid dispensing system, and the upper and lower opening of sleeve pipe set by it is also all mutually parallel with the tube sheet of shell and tube reactor.
Described feed distribution system be surface-area under the pyramid structure that increases successively; And after preposition fluid dispensing system and rearmounted fluid dispensing system assembled, and between reactor wall, all there is unrestricted flow passage; A wherein phase in multi-phase fluid can be entered in the bundle of reaction tubes being inserted with rearmounted fluid dispensing system sleeve pipe by a certain layer liquid-distributing layers or liquid reallocation laminar flow.
The foregoing is only better embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. the multi-phase fluid sparger for shell and tube reactor, it is characterized in that: comprise charging mixing system and feed distribution system, described charging mixing system is installed on the position of close opening for feed above the outer feed-pipe of reactor or is installed in reactor, described feed distribution system, between described charging mixing system and reactor upper tubesheet, comprises preposition fluid dispensing system and is positioned at the rearmounted fluid dispensing system below preposition fluid dispensing system.
2. the multi-phase fluid sparger for shell and tube reactor according to claim 1, it is characterised in that: described charging mixing system is Venturi-type entry mixers or static mixing type entry mixers.
3. the multi-phase fluid sparger for shell and tube reactor according to claim 1, it is characterized in that: described preposition fluid dispensing system comprises 1��3 liquid-distributing layers, described liquid-distributing layers comprises a circular bottom plate, cofferdam it is arranged with outside circular bottom plate, described circular bottom plate is evenly embedded with some separatory sleeve pipes, the top of described separatory sleeve pipe is concordant with described circular bottom plate upper surface, and its lower end stretches out described circular bottom plate lower surface certain length; The separatory sleeve pipe of each layer of described preposition fluid dispensing system is crisscross arranged.
4. the multi-phase fluid sparger for shell and tube reactor according to claim 1, it is characterized in that: described rearmounted fluid dispensing system comprises 1��3 liquid reallocation layer, described liquid reallocation layer comprises a circular bottom plate, cofferdam it is arranged with outside circular bottom plate, described circular bottom plate is evenly embedded with some separatory sleeve pipes again, described circular bottom plate upper surface certain distance is stretched out on the top of the described sleeve pipe of separatory again, and the sidewall being positioned at the separatory sleeve pipe again of the part above described circular bottom plate is provided with at least one overflow weir, the lower end of the described sleeve pipe of separatory again stretches out described circular bottom plate lower surface certain length, and in the tubulation of its lower end insertion reaction device of the separatory again tube bank of the liquid reallocation layer of last layer.
5. the multi-phase fluid sparger for shell and tube reactor according to claim 3, it is characterised in that: the central position of every three adjacent casings of a liquid-distributing layers or liquid reallocation layer after every layer of separatory sleeve pipe correspondence of described preposition fluid dispensing system.
6. the multi-phase fluid sparger for shell and tube reactor according to claim 1, it is characterised in that: described preposition fluid dispensing system and rearmounted fluid dispensing system form built-up type integrative-structure or Demountable.
7. the multi-phase fluid sparger for shell and tube reactor according to claim 6, it is characterized in that: described charging mixing system is arranged at inside reactor, and described charging mixing system and described feed distribution system form built-up type integrative-structure or Demountable.
8. the multi-phase fluid sparger for shell and tube reactor according to claim 1, it is characterized in that: described preposition fluid dispensing system is all mutually parallel with the tube sheet of shell and tube reactor with the circular bottom plate of rearmounted fluid dispensing system, the upper and lower opening of sleeve pipe set by it is also all mutually parallel with the tube sheet of shell and tube reactor.
9. the multi-phase fluid sparger for shell and tube reactor according to claim 1, it is characterized in that: in the multilayer feed distribution system that described preposition fluid dispensing system and rearmounted fluid dispensing system are formed, the shadow area of last layer liquid-distributing layers on next layer of liquid-distributing layers or liquid reallocation layer be next layer of liquid-distributing layers or liquid reallocation aspect long-pending 50��100%.
10. the multi-phase fluid sparger for shell and tube reactor according to claim 9, it is characterised in that: described feed distribution system be surface-area under the pyramid structure that increases successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520989698.4U CN205269603U (en) | 2015-12-02 | 2015-12-02 | A heterogeneous liquid distributor for tubular reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520989698.4U CN205269603U (en) | 2015-12-02 | 2015-12-02 | A heterogeneous liquid distributor for tubular reactor |
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| Publication Number | Publication Date |
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| CN205269603U true CN205269603U (en) | 2016-06-01 |
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| CN201520989698.4U Active CN205269603U (en) | 2015-12-02 | 2015-12-02 | A heterogeneous liquid distributor for tubular reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875666A (en) * | 2017-11-30 | 2018-04-06 | 南通星球石墨设备有限公司 | A kind of new liquid distribution system |
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- 2015-12-02 CN CN201520989698.4U patent/CN205269603U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875666A (en) * | 2017-11-30 | 2018-04-06 | 南通星球石墨设备有限公司 | A kind of new liquid distribution system |
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