CN202630739U - External scour-prevention guiding structure for shell-side fluid inlet of tubular reactor - Google Patents
External scour-prevention guiding structure for shell-side fluid inlet of tubular reactor Download PDFInfo
- Publication number
- CN202630739U CN202630739U CN 201220200063 CN201220200063U CN202630739U CN 202630739 U CN202630739 U CN 202630739U CN 201220200063 CN201220200063 CN 201220200063 CN 201220200063 U CN201220200063 U CN 201220200063U CN 202630739 U CN202630739 U CN 202630739U
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- Prior art keywords
- shell
- fluid
- erosion control
- fluid inlet
- scour
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Abstract
The utility model relates to an external scour-prevention guiding structure for a shell-side fluid inlet of a tubular reactor. The external scour-prevention guiding structure is characterized by comprising a shell-side barrel body, a ring-shaped guiding cover, a fluid inlet pipe and a scour-prevention baffle plate, wherein one end of the ring-shaped guiding cover is communicated with the shell-side barrel body, the other end of the ring-shaped guiding cover is communicated with the fluid inlet pipe, and the scour-prevention baffle plate is arranged in the ring-shaped guiding cover to divide a guiding channel in the ring-shaped guiding cover into an inner layer and an outer layer. According to the utility model, the shell-side fluid distribution can be effectively improved under the condition of not increasing the diameter of the shell-side diameter of the tubular reactor, thereby meeting technological requirements; and relatively cheap materials are adopted to prevent heat exchange tube bundles from being scoured by fluid, therefore, the service life of the heat exchange tube bundles is prolonged, and the purpose that the reactor runs stably and safety for a long period is achieved.
Description
Technical field
The utility model relates to a kind of erosion control diversion component that multiple industrial circles such as oil refining, petrochemical industry, chemical industry, light industry are used for shell and tube reactor; In more detail, relate to a kind of erosion control flow-guiding structure that a kind of shell-and-tube reactor shell-side fluid import heat-exchanging tube bundle protection and the even water conservancy diversion of fluid distribute.
Background technology
Shell and tube reactor is used in fields such as oil refining, petrochemical industry, chemical industry as a kind of reaction, heat-exchange apparatus more and more widely.Compare with the design of common shell-and-tube heat exchanger, the shell and tube reactor design answer emphasis note following some: 1. equipment generally all adopts the noble metal manufacturing, should control appearance and size as far as possible satisfying under the situation of process conditions; 2. the loadings of catalyst be should guarantee, reaction heat-obtaining or heat supply requirement satisfied again; 3, operating condition is complicated, needs higher safety performance; 4, equipment should be convenient to safeguard and the loading and unloading of catalyst; 5, should protect valuable heat-exchanging tube bundle; 6, it is even as far as possible fluid to be distributed.
Design for shell and tube reactor usually can run into following problem: 1. reactor comb quantity more for a long time; Do not have enough spaces that conventional erosion control flow-guiding structure is set after arranging heat exchanger tube, more can't satisfy shell-side fluid needs circulation area in the equipment entrance place requirement.Conventional design is to increase diameter of the housing; Stay not comb of certain space in the fluid inlet side, with the reasonable distribution of assurance fluid, but this has wasted the cloth tube space in the housing greatly; The increase of equipment size not only can cause the waste of material, but also can increase the manufacture difficulty of equipment; 2. must wash away for reducing fluid exchange heat pipe, generally can in the tube bank near the shell side inlet, the erosion control baffle plate be set during conventional design, the weldering of erosion control baffle plate is attached on the heat exchanger tube.Sometimes heat-exchanging tube bundle adopts precious materials, and can't weld with other material the time such as the titanium material, the erosion control baffle plate just must adopt and the heat-exchanging tube bundle identical materials, has improved the material class, needs to increase bigger investment.
Summary of the invention
To the deficiency of prior art, the purpose of the utility model has provided a kind of external erosion control flow-guiding structure, can under the prerequisite that does not increase shell and tube reactor shell side diameter, effectively improve the distribution of shell-side fluid, satisfies technological requirement; Simultaneously can adopt relatively inexpensive material to prevent that heat-exchanging tube bundle from suffering fluid scouring, reach and prolong heat-exchanging tube bundle service life, improve the equipment long period steadily, purpose of safe operation.
For addressing the above problem; The technical scheme that the utility model adopted is: shell and tube reactor shell-side fluid import external erosion control flow-guiding structure; Its difference is: it comprises shell-side cylinder, annular kuppe, fluid inlet tubes and erosion control baffle plate; Annular kuppe one end is connected with shell-side cylinder, and the annular kuppe other end is connected with fluid inlet tubes, the flow-guiding channel in the annular kuppe is divided into inside and outside two-layer thereby be provided with the erosion control baffle plate in the annular kuppe; Flow-guiding channel docking site in shell-side cylinder and the annular kuppe has one or more fluid entrance holes; The top of fluid entrance hole is provided with steam vent, and the below of fluid entrance hole is provided with mud hole, and fluid is ejected on the erosion control baffle plate through fluid inlet tubes and is flowed into by the fluid entrance hole on the shell-side cylinder.
By above scheme, rectangular structure of said erosion control baffle plate or circular configuration.
By above scheme, the rounded or Long Circle of said fluid entrance hole.
The beneficial effect of the utility model is: the inside and outside double-layer structure of the utility model can be under the prerequisite that does not increase shell and tube reactor shell side diameter; Effectively reduce flow resistance slowing down fluid washing away to tube bank; Effectively improve the distribution of shell-side fluid, satisfy technological requirement; Simultaneously can adopt relatively inexpensive material to prevent that heat-exchanging tube bundle from suffering fluid scouring, reach and prolong heat-exchanging tube bundle service life, improve the equipment long period steadily, purpose of safe operation; The utility model is simple in structure, and is easily manufactured, can apply to fields such as oil refining, petrochemical industry, chemical industry widely, has bigger promotional value.
Description of drawings
Fig. 1 is the working state figure of the utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is the slotted hole distribution schematic diagram on the shell-side cylinder.
The specific embodiment
To do further to describe to the utility model through concrete embodiment below.
Referring to Fig. 1-Fig. 4; Shell and tube reactor shell-side fluid import external erosion control flow-guiding structure; It comprises shell-side cylinder 1, annular kuppe 2, fluid inlet tubes 3 and erosion control baffle plate 4; Annular kuppe 2 one ends are connected with shell-side cylinder 1, and annular kuppe 2 other ends are connected with fluid inlet tubes 3, are divided into the flow-guiding channel in the annular kuppe 2 inside and outside two-layer thereby be provided with erosion control baffle plate 4 in the annular kuppe 2; Be evenly distributed with erosion control pod apertures 4-1 on the erosion control baffle plate 4; Convection cell plays the effect of an erosion control and preliminary shunting, and shell-side cylinder 1 has one or more fluid entrance holes 5 with annular kuppe 2 interior flow-guiding channel joints by the upper part, and the top of fluid entrance hole 5 is provided with steam vent; The below of fluid entrance hole 5 is provided with mud hole, and fluid is ejected on the erosion control baffle plate 4 through fluid inlet tubes 3 and is evenly got into by the fluid entrance hole 5 on the shell-side cylinder 1.
Preferably, erosion control baffle plate 4 rectangular structure or circular configurations.
Preferably, annular kuppe 2 can adopt the semi-canal type structure, also can adopt the square or pyramidal structure that is formed by the steel plate welding.
Preferably, said fluid entrance hole 5 rounded or Long Circles, the perhaps perforate of other shapes.
Preferably, a plurality of fluid entrance holes 5 are evenly offered along shell-side cylinder 1 circumference.
The utility model can be installed in charging on the direction of shell and tube reactor, perhaps is uniformly distributed with to be installed in charging simultaneously on two or more directions.
Said structure not only can be used for shell and tube reactor, can be used for the fluid inlet erosion control flow-guiding structure of the shell-and-tube heat exchanger of similar structures equally.
Claims (3)
1. shell and tube reactor shell-side fluid import external erosion control flow-guiding structure; It is characterized in that: it comprises shell-side cylinder, annular kuppe, fluid inlet tubes and erosion control baffle plate; Annular kuppe one end is connected with shell-side cylinder; The annular kuppe other end is connected with fluid inlet tubes; Thereby annular is provided with the erosion control baffle plate in the kuppe and the flow-guiding channel in the annular kuppe is divided into inside and outside two-layer, and the interior flow-guiding channel docking site of shell-side cylinder and annular kuppe has one or more fluid entrance holes, and the top of fluid entrance hole is provided with steam vent; The below of fluid entrance hole is provided with mud hole, and fluid is ejected on the erosion control baffle plate through fluid inlet tubes and is flowed into by the fluid entrance hole on the shell-side cylinder.
2. according to the described shell and tube reactor shell-side fluid of claim 1 import external erosion control flow-guiding structure, it is characterized in that: rectangular structure of said erosion control baffle plate or circular configuration.
3. according to the described shell and tube reactor shell-side fluid of claim 1 import external erosion control flow-guiding structure, it is characterized in that: the rounded or Long Circle of said fluid entrance hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220200063 CN202630739U (en) | 2012-05-07 | 2012-05-07 | External scour-prevention guiding structure for shell-side fluid inlet of tubular reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220200063 CN202630739U (en) | 2012-05-07 | 2012-05-07 | External scour-prevention guiding structure for shell-side fluid inlet of tubular reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202630739U true CN202630739U (en) | 2012-12-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220200063 Expired - Lifetime CN202630739U (en) | 2012-05-07 | 2012-05-07 | External scour-prevention guiding structure for shell-side fluid inlet of tubular reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202630739U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928395A (en) * | 2016-06-23 | 2016-09-07 | 江阴中南重工有限公司 | Anti-washout heat exchanger |
| CN111928716A (en) * | 2020-08-13 | 2020-11-13 | 中国核动力研究设计院 | Flow guiding device for reactor heat exchanger |
-
2012
- 2012-05-07 CN CN 201220200063 patent/CN202630739U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928395A (en) * | 2016-06-23 | 2016-09-07 | 江阴中南重工有限公司 | Anti-washout heat exchanger |
| CN111928716A (en) * | 2020-08-13 | 2020-11-13 | 中国核动力研究设计院 | Flow guiding device for reactor heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |
|
| CX01 | Expiry of patent term |