A gas filter for fixed bed hydrogenation reaction test

Abstract

The utility model discloses a fixed bed hydrogenation reaction test gas filter device relates to gas experimental field. This kind of fixed bed hydrogenation reaction test gas filter device including filter device body, filter device body includes main casing, side rotary casing and replaceable filter core, and the upper layer filter screen is installed to the main casing top, and the bottom layer coarse filter screen is installed to the main casing bottom, and the upper layer filter screen is used for assisting secondary filtration, and the side rotary casing is rotatably connected on the main casing, and the bottom layer coarse filter screen is also installed to the side rotary casing bottom, and the replaceable filter core is movably inserted in the main casing, and the replaceable filter core is used for main filtration and intercept. The device is through setting the filter device body that can open, and the replaceable filter core of detachable installation, so that the maintenance and cleaning of this filter piece are relatively simple and convenient, and through the upper connecting flange and bottom clamping groove of installation in the main casing, so that the pipeline installation and sealing of both ends are relatively simple.

Description

Technical Field

[0001] This utility model relates to the field of gas experimental technology, specifically a gas filtration device for fixed-bed hydrogenation reaction experiments. Background Technology

[0002] The gas filtration device for fixed-bed hydrogenation reaction experiments is a key component to ensure the stable progress of the reaction. Its core function is to remove solid particles, droplets and mechanical impurities from the reaction gas, prevent catalyst blockage and coking, thereby extending catalyst life and reducing reactor pressure drop.

[0003] Because a large number of small solid particles accumulate on the filter element during use, it is prone to clogging over time. Existing filter elements are not only difficult to replace, but frequent replacements can also lead to improper connections at both ends, resulting in poor sealing at both ends of the replaced filter element. To address these issues, this invention provides a gas filtration device for fixed-bed hydrogenation reaction experiments. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a gas filtration device for fixed-bed hydrogenation reaction experiments. It solves the problem that the filter element is prone to clogging due to the accumulation of a large number of small solid particles during use. Furthermore, existing filter elements are not only difficult to replace, but also prone to errors during frequent replacements, resulting in loose connections at both ends and ultimately poor sealing at both ends of the replaced filter element.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a gas filtration device for a fixed-bed hydrogenation reaction experiment, comprising a filtration device body, the filtration device body including a main shell, a side-rotating shell, and a replaceable filter element, an upper filter screen installed at the top of the main shell, and a bottom coarse filter screen installed at the bottom of the main shell, the upper filter screen being used for auxiliary secondary filtration, the side-rotating shell being rotatably connected to the main shell, the bottom of the side-rotating shell also being equipped with a bottom coarse filter screen, and the replaceable filter element being movably inserted into the main shell, the replaceable filter element being used for primary filtration and interception.

[0006] Preferably, an upper connecting flange is fixedly connected to the top of the main housing, and the upper connecting flange is used for flange sealing connection with the output pipe. Bottom snap-fit ​​grooves are fixedly connected to the bottom of both the main housing and the side rotating housing, and the two sets of bottom snap-fit ​​grooves are used for snap-fitting and fixing the input pipe.

[0007] Preferably, both the main housing and the side rotating housing are fixedly connected to movable insertion slots, and the top of the replaceable filter element is fixedly connected to an upper snap-fit ​​block, which is movably inserted into the movable insertion slot.

[0008] Preferably, both the main housing and the side rotating housing have a fixed snap-fit ​​groove at their bottom ends, and the replaceable filter element is fixedly connected to a lower limit block at its bottom end, with the lower limit block being movably snapped into the fixed snap-fit ​​groove.

[0009] Preferably, a fixing block is fixedly connected to one end of the side rotating housing, and a rotating groove is provided at the other end of the side rotating housing.

[0010] Preferably, one end of the main housing is rotatably connected to the rotating groove, the other end of the main housing is provided with a fixing bolt, the other side of the main housing is provided with a rotating groove, the fixing bolt is threaded into the fixing block, and the side rotating housing is fixedly connected to the main housing by the fixing bolt.

[0011] Its beneficial effects are as follows:

[0012] This gas filtration device for fixed-bed hydrogenation reaction experiments features an openable filter body and a replaceable filter element that can be detached and installed, making maintenance and cleaning of the filter element simple and convenient. At the same time, the upper connecting flange and bottom snap-fit ​​groove installed on the main housing make the installation and sealing of the pipes at both ends simple. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall front structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the overall internal structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the overall exploded structure of this utility model;

[0017] Figure 4 This is a schematic diagram showing the detailed structure of the main shell of this utility model;

[0018] Figure 5 This is a schematic diagram showing the detailed structure of the side-rotating housing of this utility model.

[0019] In the diagram: 1. Filter device body; 11. Main housing; 111. Upper connecting flange; 112. Upper filter screen; 113. Movable insertion slot; 114. Fixing bolt; 115. Fixing snap-fit ​​slot; 116. Bottom coarse filter screen; 117. Bottom snap-fit ​​slot; 12. Side rotating housing; 121. Rotating groove; 122. Fixing block; 13. Replaceable filter element; 131. Upper snap-fit ​​block; 132. Lower limit block. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0021] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0022] This utility model discloses a gas filtration device for a fixed-bed hydrogenation reaction experiment, according to the attached... Figure 1-4 As shown, the device includes a filter body 1, which comprises a main housing 11, a side rotating housing 12, and a replaceable filter element 13. An upper filter screen 112 is installed at the top of the main housing 11, and a bottom coarse filter screen 116 is installed at the bottom of the main housing 11. The upper filter screen 112 is used for auxiliary secondary filtration. The side rotating housing 12 is rotatably connected to the main housing 11, and the bottom coarse filter screen 116 is also installed at the bottom of the side rotating housing 12. The replaceable filter element 13 is movably inserted into the main housing 11 and is used for primary filtration and interception. During maintenance, the side rotating housing 12 is opened first, and then the replaceable filter element 13 is removed. The upper filter screen 112 and the bottom coarse filter screen 116 are then rinsed with water. The most severely clogged replaceable filter element 13 is removed for specialized maintenance and cleaning, making cleaning and maintenance faster and simpler.

[0023] According to the appendix Figure 4 As shown, furthermore, an upper connecting flange 111 is fixedly connected to the top of the main housing 11. The upper connecting flange 111 is used for flange sealing connection with the output pipe. Bottom snap-fit ​​grooves 117 are fixedly connected to the bottom of both the main housing 11 and the side rotating housing 12. The two sets of bottom snap-fit ​​grooves 117 are used for snap-fitting and fixing the input pipe. The upper pipe is sealed by the upper connecting flange 111. The snap-fitting of the two sets of bottom snap-fit ​​grooves 117 makes the installation of the lower pipe faster.

[0024] According to the appendix Figure 4As shown, both the main housing 11 and the side rotating housing 12 are fixedly connected to movable insertion slots 113. The top of the replaceable filter element 13 is fixedly connected to an upper snap-fit ​​block 131, which is movably inserted into the movable insertion slot 113. Both the main housing 11 and the side rotating housing 12 are provided with fixed snap-fit ​​slots 115 at their bottom ends. The bottom of the replaceable filter element 13 is fixedly connected to a lower limit block 132, which is movably snapped into the fixed snap-fit ​​slot 115.

[0025] According to the appendix Figure 4-5 As shown, it is particularly important to emphasize that a fixing block 122 is fixedly connected to one end of the side rotating housing 12, and a rotating groove 121 is opened at the other end of the side rotating housing 12. One end of the main housing 11 is rotatably connected in the rotating groove 121, and a fixing bolt 114 is provided at the other end of the main housing 11. A rotating groove 121 is opened on the other side of the main housing 11, and the fixing bolt 114 is threadedly connected in the fixing block 122. The side rotating housing 12 is fixedly connected to the main housing 11 by the fixing bolt 114.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A gas filtration device for a fixed-bed hydrogenation reaction experiment, comprising a filtration device body (1), characterized in that, The filter device body (1) includes: The main housing (11) has an upper filter screen (112) installed at the top and a bottom coarse filter screen (116) installed at the bottom. The upper filter screen (112) is used to assist in secondary filtration. A side-rotating housing (12) is rotatably connected to the main housing (11), and a bottom coarse filter screen (116) is also installed at the bottom of the side-rotating housing (12); A replaceable filter element (13) is movably inserted into the main housing (11) and is used for primary filtration and interception.

2. The gas filtration device for a fixed-bed hydrogenation reaction experiment according to claim 1, characterized in that, The top of the main housing (11) is fixedly connected to an upper connecting flange (111), which is used to make a flange sealing connection with the output pipe. The bottom ends of the main housing (11) and the side rotating housing (12) are both fixedly connected to bottom snap-fit ​​grooves (117), which are used to snap and fix the input pipe.

3. The gas filtration device for a fixed-bed hydrogenation reaction experiment according to claim 1, characterized in that, The main housing (11) and the side rotating housing (12) are both fixedly connected to the side ends of the movable insertion slots (113), and the top of the replaceable filter element (13) is fixedly connected to the upper snap-fit ​​block (131), which is movably inserted into the movable insertion slot (113).

4. A gas filtration device for a fixed-bed hydrogenation reaction experiment according to claim 1, characterized in that, The bottom ends of the main housing (11) and the side rotating housing (12) are provided with fixed snap-fit ​​grooves (115), and the bottom end of the replaceable filter element (13) is fixedly connected with a lower limit block (132), which is movably snapped into the fixed snap-fit ​​groove (115).

5. A gas filtration device for a fixed-bed hydrogenation reaction experiment according to claim 1, characterized in that, One end of the side-rotating housing (12) is fixedly connected to a fixing block (122), and the other end of the side-rotating housing (12) is provided with a rotating groove (121).

6. A gas filtration device for a fixed-bed hydrogenation reaction experiment according to claim 5, characterized in that, One end of the main housing (11) is rotatably connected to the rotating groove (121), and the other end of the main housing (11) is provided with a fixing bolt (114). The other side of the main housing (11) is provided with a rotating groove (121). The fixing bolt (114) is threadedly connected to the fixing block (122). The side rotating housing (12) is fixedly connected to the main housing (11) by the fixing bolt (114).

Images