CN219129225U - Improved reforming device mercury removal reaction system - Google Patents
Improved reforming device mercury removal reaction system Download PDFInfo
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- CN219129225U CN219129225U CN202223439577.1U CN202223439577U CN219129225U CN 219129225 U CN219129225 U CN 219129225U CN 202223439577 U CN202223439577 U CN 202223439577U CN 219129225 U CN219129225 U CN 219129225U
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- mercury removal
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- reaction system
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Abstract
The utility model relates to the field of a pre-hydrogenation unit mercury removal reactor of a reforming device, in particular to an improved reforming device mercury removal reaction system, which comprises: a mercury removal reactor, a mercury removal reactor feed line and a material filtering flow unit; the feeding line of the mercury removal reactor is connected to a lead-out line led out from the bottom of the heat exchanger, the lead-out line is connected with a material filtering flow unit, and the material filtering flow unit is connected back to the feeding line of the mercury removal reactor through a pipeline; the inlet filter of the mercury removal reactor is added, so that impurities can be effectively reduced to be brought into the reactor, the reaction performance of mercury removal agents is protected, impurities can be prevented from being brought into a post-reforming reaction system, the feeding load of the device is influenced, and the stable operation of a downstream device is ensured.
Description
Technical Field
The utility model relates to the field of a pre-hydrogenation unit mercury removal reactor of a reforming device, in particular to an improved reforming device mercury removal reaction system.
Background
When the reforming device demercuration reactor is normally produced, partial impurities can be brought into the inlet of the R-103 demercuration reactor to deposit along with the long-term operation of the device, so that the pressure difference of the reactor rises, and the reactor needs to be skimmed periodically according to the rising condition of the pressure difference.
At the same time, if impurities are brought into the post reforming reaction system, the inlet nozzle of the reaction feed is blocked, the reaction feed is affected, and even the risk of shutdown of the device is seriously caused.
Disclosure of Invention
The utility model aims to prevent long-term deposition of impurities and reduce the skimming times of a reactor, and further provides an improved reforming device mercury removal reaction system, which can effectively prevent impurities such as scrap iron from entering the mercury removal reactor, and can also ensure that the impurities such as scrap iron in the system are brought into a post reforming reaction system to block a reaction feed nozzle.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: an improved reformer mercury removal reaction system comprising: a mercury removal reactor, a mercury removal reactor feed line and a material filtering flow unit; the feeding line of the mercury removal reactor is connected to a lead-out line led out from the bottom of the heat exchanger, the lead-out line is connected with a material filtering flow unit, and the material filtering flow unit is connected back to the feeding line of the mercury removal reactor through a pipeline;
further, the top of the heat exchanger is connected with a pipeline from a stripping tower of the C-101 pre-hydrogenation unit;
further, the material filtering flow unit comprises: the first pipeline, the second pipeline, the third pipeline, the magnetic rod filter front valve, the magnetic rod filter rear valve, the fourth pipeline and the filter control bypass; the first pipeline is led out from the outgoing line and connected to the second pipeline, the third pipeline and the fourth pipeline are connected end to end in sequence, and the fourth pipeline is connected back to the feeding line of the mercury removal reactor; the front and the rear of the magnetic rod filter are respectively provided with a magnetic rod filter front valve and a magnetic rod filter rear valve; a filter control bypass is arranged between the front end of the front valve of the magnetic rod filter and the rear end of the rear valve of the magnetic rod filter through a tee joint;
furthermore, the front valve and the rear valve of the magnetic rod filter are gate valves, and the specification is DN300 and PN2.0;
further, the filter control bypass comprises a bypass pipeline, a bypass pipeline root valve and a differential pressure meter, and is used for controlling the pressure of the magnetic rod filter;
further, the number of the bypass pipeline root valves is 2, the bypass pipeline root valves are respectively close to the root of the bypass pipeline, and the differential pressure meter is arranged between the 2 bypass pipeline root valves;
furthermore, the magnetic rod filter specifically adopts a vertical filter in the existing design, the filtering precision is 500 mu m, and the filtering area is 0.88 square meter;
further, a feeding line of the mercury removal reactor connected to the lead-out line is used as a secondary line of the material filtering flow unit, and a gate valve is arranged at the starting position of the feeding line of the mercury removal reactor;
and the specification of a gate valve on a feed line of the mercury removal reactor is DN300, PN2.0.
And a branch pipeline is connected to the feeding line of the mercury removal reactor, one part of pipeline is branched from the feeding line and connected to the top of the mercury removal reactor, and the other part of pipeline is branched and connected to a back pipeline and reaches the C-102 pre-hydrogenation unit naphtha separation tower.
Furthermore, the filtering of impurities by the material filtering flow unit is eliminated, and in order to prevent impurities from being brought into a back-path reforming reaction system, the feeding load of the device is influenced, the stable operation of a downstream device is ensured, and a close-packed pipeline is arranged below the material filtering flow unit, wherein the close-packed pipeline comprises a close-packed line and a close-packed valve arranged on the close-packed line;
the root of the close-packed line is connected to the bottom of the filter, and the front end of the close-packed line is connected to the dirty oil closed discharge system;
furthermore, DN40 and PN2.0 are adopted as the specifications of the close-packed valve.
The key point of the utility model is that a filter with a magnetic rod is added at the inlet of the mercury removal reactor to filter and adsorb impurities such as scrap iron, etc., thus reducing the rising of inlet pressure difference and reducing skimming times; the performance of the mercury removal agent can be protected, and the feeding stability of a downstream device can be protected.
The beneficial effects of adopting above-mentioned technical scheme are:
the inlet filter of the mercury removal reactor is added, so that impurities can be effectively reduced to be brought into the reactor, the reaction performance of mercury removal agents is protected, impurities can be prevented from being brought into a post-reforming reaction system, the feeding load of the device is influenced, and the stable operation of a downstream device is ensured.
Drawings
Fig. 1 is a structural diagram of the present utility model.
In the figure, 1, a mercury removal reactor, 2, a mercury removal reactor feed line, 3, an outgoing line, 4, a first pipeline, 5, a second pipeline, 6, a third pipeline, 7, a magnetic rod filter, 8, a magnetic rod filter front valve, 9, a magnetic rod filter rear valve, 10, a fourth pipeline, 11, a bypass pipeline, 12, a bypass pipeline root valve, 13, a differential pressure meter, 14, a mercury removal reactor feed line gate valve, 15, a close-packed line, 16 and a close-packed valve are shown.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
An improved reformer mercury removal reaction system as shown in fig. 1, comprising: a mercury removal reactor 1, a mercury removal reactor feed line 2 and a material filtering flow unit; the feeding line 2 of the mercury removal reactor is connected to an outgoing line 3 led out from the bottom of the heat exchanger, the outgoing line 3 is connected with a material filtering flow unit, and the material filtering flow unit is connected back to the feeding line 2 of the mercury removal reactor through a pipeline;
further, the material filtering flow unit comprises: a first line 4, a second line 5, a third line 6, a bar magnet filter 7, a bar magnet pre-filter valve 8, a bar magnet post-filter valve 9, a fourth line 10, and a filter control bypass; the first pipeline 4 is led out from the outgoing line 3 and connected to the second pipeline 5, the third pipeline 6 and the fourth pipeline 10 are sequentially connected end to end, and the fourth pipeline 10 is connected back to the feeding line 2 of the mercury removal reactor; the front and the rear of the magnetic rod filter are respectively provided with a magnetic rod filter front valve 8 and a magnetic rod filter rear valve 9; a filter control bypass is arranged between the front end of the magnetic rod filter front valve 8 and the rear end of the magnetic rod filter rear valve 9 through a tee joint;
further, the front valve 8 and the rear valve 9 of the magnetic rod filter are gate valves, and the specification is DN300 and PN2.0;
further, the filter control bypass comprises a bypass line 11, a bypass line root valve 12 and a differential pressure gauge 13;
the number of the bypass pipeline root valves 12 is 2, the bypass pipeline root valves are respectively close to the root of the bypass pipeline 11, and the differential pressure meter 13 is arranged between the 2 bypass pipeline root valves 12;
further, a feed line 2 of the mercury removal reactor connected to the outgoing line 3 is used as a secondary line of the material filtering flow unit, and a gate valve 14 is arranged at the initial position of the feed line 2 of the mercury removal reactor;
the gate valve 14 on the feeding line 2 of the mercury removal reactor has the specification of DN300 and PN2.0.
The feeding line 2 of the mercury removal reactor is connected with a branch pipeline, one part of the pipeline is branched from the feeding line and connected to the top of the mercury removal reactor 1, and the other part of the pipeline is branched and connected to a rear pipeline and reaches C-102.
The filtering of impurities by the material filtering flow unit is eliminated, and in order to prevent impurities from being brought into a post-reforming reaction system, the feeding load of the device is influenced, the stable operation of a downstream device is ensured, and a close-packed pipeline is arranged below the material filtering flow unit, wherein the close-packed pipeline comprises a close-packed line 15 and a close-packed valve 16 arranged on the close-packed line;
the specification of the close-packed valve 16 adopts DN40 and PN2.0.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Claims (10)
1. An improved reformer mercury removal reaction system, comprising: a mercury removal reactor, a mercury removal reactor feed line and a material filtering flow unit; the feeding line of the mercury removal reactor is connected to a lead-out line led out from the bottom of the heat exchanger, the lead-out line is connected with a material filtering flow unit, and the material filtering flow unit is connected back to the feeding line of the mercury removal reactor through a pipeline.
2. An improved reformer mercury removal reaction system as claimed in claim 1, wherein: the material filtering flow unit comprises: the first pipeline, the second pipeline, the third pipeline, the magnetic rod filter front valve, the magnetic rod filter rear valve, the fourth pipeline and the filter control bypass; the first pipeline is led out from the outgoing line and connected to the second pipeline, the third pipeline and the fourth pipeline are connected end to end in sequence, and the fourth pipeline is connected back to the feeding line of the mercury removal reactor; the front and the rear of the magnetic rod filter are respectively provided with a magnetic rod filter front valve and a magnetic rod filter rear valve; a filter control bypass is arranged between the front end of the front valve of the magnetic rod filter and the rear end of the rear valve of the magnetic rod filter through a tee joint.
3. An improved reformer mercury removal reaction system as claimed in claim 2, wherein: the front valve and the rear valve of the magnetic rod filter are gate valves, and the specification is DN300 and PN2.0.
4. An improved reformer mercury removal reaction system as claimed in claim 2, wherein: the filter control bypass comprises bypass pipelines, bypass pipeline root valves and a differential pressure meter, wherein the number of the bypass pipeline root valves is 2, the bypass pipeline root valves are respectively close to the root of the bypass pipeline, and the differential pressure meter is arranged between the 2 bypass pipeline root valves.
5. An improved reformer mercury removal reaction system as claimed in claim 2, wherein: the magnetic rod filter is a vertical filter with a filtering precision of 500 μm and a filtering area of 0.88 square meter.
6. An improved reformer mercury removal reaction system as claimed in claim 1, wherein: and a feeding line of the mercury removal reactor connected to the lead-out line is used as a secondary line of the material filtering flow unit, and a gate valve is arranged at the starting position of the feeding line of the mercury removal reactor.
7. The improved reformer mercury removal reaction system of claim 6, wherein: and the specification of a gate valve on a feed line of the mercury removal reactor is DN300, PN2.0.
8. An improved reformer mercury removal reaction system as claimed in claim 2, wherein: and a close-packed pipeline is arranged below the material filtering flow unit and comprises a close-packed line and a close-packed valve arranged on the close-packed line.
9. The improved reformer mercury removal reaction system of claim 8, wherein: the root of the close-packed wire is connected to the bottom of the magnetic rod filter, and the front end of the close-packed wire is connected to the dirty oil airtight discharge system.
10. The improved reformer mercury removal reaction system of claim 8, wherein: the specification of the close-packed valve adopts DN40 and PN2.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223439577.1U CN219129225U (en) | 2022-12-22 | 2022-12-22 | Improved reforming device mercury removal reaction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223439577.1U CN219129225U (en) | 2022-12-22 | 2022-12-22 | Improved reforming device mercury removal reaction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219129225U true CN219129225U (en) | 2023-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223439577.1U Active CN219129225U (en) | 2022-12-22 | 2022-12-22 | Improved reforming device mercury removal reaction system |
Country Status (1)
| Country | Link |
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| CN (1) | CN219129225U (en) |
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- 2022-12-22 CN CN202223439577.1U patent/CN219129225U/en active Active
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