CN219128366U

CN219128366U - Filtering system for clay tower

Info

Publication number: CN219128366U
Application number: CN202223438877.8U
Authority: CN
Inventors: 刘岩; 谷立双; 白海龙; 董桂军
Original assignee: Dalian Fujia Dahua Petrochemical Co Ltd
Current assignee: Dalian Fujia Dahua Petrochemical Co Ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-06-06
Anticipated expiration: 2032-12-22

Abstract

The utility model provides a filter system for a clay tower, which comprises: the system comprises a clay tower, wherein a feed inlet of the clay tower is connected to an outlet of a heat exchanger through a first pipeline, a first valve is arranged on the first pipeline, the system further comprises at least one filter, an inlet of the at least one filter is connected to the first pipeline at the upstream of the first valve through a second pipeline, and an outlet of the at least one filter is connected to the first pipeline at the downstream of the first valve through a third pipeline. The white tower pressure difference can be reduced by filtering materials through the filter, and the white tower can be conveniently operated.

Description

Filtering system for clay tower

Technical Field

The utility model relates to the technical field of chemical industry, in particular to a filter system for a clay tower.

Background

The xylene unit clay tower of the adsorption device of the aromatic hydrocarbon factory has frequent clay replacement due to high pressure difference, and the operation of the clay tower is affected. The problem of excessively high pressure difference of the clay tower is needed to be solved.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a filter system for a clay tower, which can reduce the pressure difference of the white tower and is convenient for the operation of the clay tower.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a filtration system for a clay column comprising: the system comprises a clay tower, wherein a feed inlet of the clay tower is connected to an outlet of a heat exchanger through a first pipeline, a first valve is arranged on the first pipeline, the system further comprises at least one filter, an inlet of the at least one filter is connected to the first pipeline at the upstream of the first valve through a second pipeline, and an outlet of the at least one filter is connected to the first pipeline at the downstream of the first valve through a third pipeline.

Further, the filters are two filters which are arranged in parallel, and the filter further comprises a main feeding pipeline which is respectively communicated with the inlets of the two filters and then is communicated with the second pipeline, and a main discharging pipeline which is respectively communicated with the outlets of the two filters and then is communicated with the third pipeline.

Further, an inlet valve and a first hot standby valve arranged in parallel with the inlet valve are arranged on the inlet pipeline of each filter.

Further, an outlet valve and a second hot standby valve arranged in parallel with the outlet valve are arranged on the outlet pipeline of each filter.

Further, a shower guide valve is arranged on an outlet pipeline of each filter.

Further, a safety valve and a vent valve are arranged at the top of each filter.

Further, a differential pressure transmitter is provided on each filter.

Compared with the prior art, the utility model has the beneficial effects that:

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.

In the figure: 1. the system comprises a clay tower, 2, a first pipeline, 3, a heat exchanger, 4, a first valve, 5, a filter, 6, a second pipeline, 7, a third pipeline, 8, a main feeding pipeline, 9, a main discharging pipeline, 10, an inlet valve, 11, a first hot standby valve, 12, an outlet valve, 13, a second hot standby valve, 14, a differential pressure transmitter, 15, a shower guiding valve, 16, a safety valve, 17 and an emptying valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

As shown in fig. 1, a filtration system for a clay tower comprises: the clay tower 1, the pan feeding mouth of clay tower 1 is connected to the export of heat exchanger 3 through first pipeline 2, is provided with first valve 4 on the first pipeline 2, still includes at least one filter 5, and the entry of at least one filter 5 is connected to first pipeline 2 on the upstream of first valve 4 through second pipeline 6, and the export of at least one filter 5 is connected to first pipeline 2 on the downstream of first valve 4 through third pipeline 7. For easy control, valves are provided on both the second and third lines. When in use, the materials are conveyed into the clay tower through the first pipeline 2 after heat exchange by the heat exchanger 3. It should be noted that, through setting up filter 5 and filtering the material, filter material impurity, be favorable to reducing the pressure differential of carclazyte tower 1 during operation, be convenient for carclazyte tower 1's operation.

In order to improve the operation efficiency of the clay tower 1 and reduce the downtime, the filter 5 of the embodiment is formed by two filters arranged in parallel.

The present embodiment also comprises a main feed line 8 and a main discharge line 9. The main feeding pipeline 8 is respectively communicated with the inlets of the two filters 5 and is communicated with the second pipeline 6, and the main discharging pipeline 9 is respectively communicated with the outlets of the two filters 5 and is communicated with the third pipeline 7. When in use, two filters 5 are used for one time, and shutdown can be avoided.

In order to increase the operational efficiency of the filters 5, an inlet valve 10 and a first hot standby valve 11 arranged in parallel with the inlet valve 10 are arranged on the inlet line of each filter 5. An outlet valve 12 and a second hot standby valve 13 arranged in parallel with the outlet valve 12 are arranged on the outlet line of each filter 5. In use, the backup filter 5 is put into service through a hot backup valve at a small flow rate to perform hot backup.

A differential pressure transmitter 14 is provided on each filter 5 of the present embodiment. When the pressure difference of the application filter 5 is high, the operation is switched to the backup filter 5.

In order to facilitate cleaning of the filters 5, in this embodiment, a shower valve 15 is provided in the outlet line of each filter 5.

In order to ensure operational safety, the top of each filter 5 of the present embodiment is provided with a safety valve 16 and a vent valve 17.

It should be noted that the detailed portions of the present utility model are not described in the prior art.

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," "configured," "connected," "secured," "screwed," 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 "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level 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.

In the description of the present utility model, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

While embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. A filtration system for a clay column comprising: carclazyte tower, its characterized in that: the inlet of the clay tower is connected to the outlet of the heat exchanger through a first pipeline, a first valve is arranged on the first pipeline, the clay tower further comprises at least one filter, the inlet of the at least one filter is connected to the first pipeline at the upstream of the first valve through a second pipeline, and the outlet of the at least one filter is connected to the first pipeline at the downstream of the first valve through a third pipeline.

2. A filtration system for a clay column according to claim 1, wherein: the filter is two that connect in parallel, still includes main feed pipeline, main feed pipeline communicate respectively behind the entry of two filters and with the second pipeline intercommunication, still include main ejection of compact pipeline, main ejection of compact pipeline communicate respectively behind the export of two filters and with the third pipeline intercommunication.

3. A filtration system for a clay column according to claim 1, wherein: an inlet valve and a first hot standby valve which is connected with the inlet valve in parallel are arranged on an inlet pipeline of each filter.

4. A filtration system for a clay column according to claim 1, wherein: an outlet valve and a second hot standby valve which is connected with the outlet valve in parallel are arranged on the outlet pipeline of each filter.

5. A filtration system for a clay column according to claim 1, wherein: and an outlet pipeline of each filter is provided with a shower guide valve.

6. A filtration system for a clay column according to claim 1, wherein: the top of each filter is provided with a safety valve and a vent valve.

7. A filtration system for a clay column according to claim 1, wherein: a differential pressure transmitter is arranged on each filter.