Acid gas separator for feed gas

By designing the tower body and sealing structure of the acid gas separator, the filter device can be replaced without stopping the machine, solving the problem of efficiency loss caused by replacing the filter device in traditional acid gas separators and ensuring production continuity.

CN223453992UActive Publication Date: 2025-10-21SICHUAN KEHUA PETRO CHEM EQUIP & ENG
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Patent Information

Application Number
CN202422718019.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-10-21
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

Traditional acid gas separators need to be shut down when the filter device is replaced, which affects the filtration efficiency.

Method used

An acid gas separator is designed. By setting up components such as a tower body, an air inlet valve, a spray body, a filter shell, a top cover, and a filter body, the filter body can be replaced without stopping the machine. Sealing is achieved by using sealing strips and sealing rings to prevent gas leakage.

Benefits of technology

The filter device can be replaced without stopping the machine, thus maintaining uninterrupted filtration efficiency and avoiding production interruptions caused by shutdowns.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223453992U_ABST
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Abstract

The utility model relates to the technical field of feed gas processing, in particular to an acid gas separator for feed gas, which comprises a tower body and a filtering main body, the bottom of the tower body is fixedly connected with a collecting main body, the bottom of the left side of the tower body is fixedly connected with an air inlet valve, and the top of the right side of the tower body is fixedly connected with a spraying main body. A filter shell is fixedly connected to the top of the tower body, a top cover is arranged on the outer side of the top of the filter shell, second bolts which are uniformly distributed are arranged in the top cover, and the bottom ends of the second bolts are spirally connected with the filter shell. Through the arrangement of the tower body, the air inlet valve, the collecting main body, the spraying main body, the filtering shell, the top cover, the air outlet valve, the filtering main body, a partition plate, a supporting plate, a linear sealing strip, an arc-shaped sealing strip, a vent groove, a sealing ring, a second bolt, a bottom plate and a second sealing plate, after the filtering main body on one side loses efficacy, the filtering main body can be switched under the non-stop condition.
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Description

TECHNICAL FIELD

[0001] The utility model relates to raw material gas processing technical field, concretely is a raw material gas's acid gas separator. BACKGROUND

[0002] Raw material gas refers to the nitrogen hydrogen mixed gas for synthesizing ammonia, and the synthetic gas raw material gas containing hydrogen, carbon monoxide and other components is usually prepared by high-temperature water vapor conversion method in industry and is mainly used for synthesizing ammonia, wherein hydrogen is mainly prepared from natural gas, naphtha, heavy oil, coal and other raw materials, and after the preparation of raw material gas is completed, it will contain acid gas impurities, in order to prevent the corrosion of acid gas impurities to metal pipelines in the transportation process, it is necessary to remove the acid gas through an acid gas separator.

[0003] When the traditional acid gas separator is used, the raw material gas is usually directly sent into the cleaning tower, at this time, the acid gas impurities in the raw material gas are removed by spraying the acid-removing solution, and then the raw material gas is filtered through the filtering device. After the filtering device is used for a long time, the filtering body will gradually lose the filtering effect, at this time, the acid gas separator needs to be stopped to replace the filtering device, which affects the filtering efficiency. Therefore, in view of the above problems, an acid gas separator for raw material gas is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an acid gas separator for raw material gas to solve the problem that the filtering device of the cleaning tower needs to be replaced when the acid gas separator is stopped, which affects the filtering efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An acid gas separator for raw material gas, comprising a tower body and a filtering body, the tower body bottom is fixedly connected with a collection main body, the left side bottom of the tower body is fixedly connected with an air inlet valve, the right side top of the tower body is fixedly connected with a spraying main body, the tower body top is fixedly connected with a filter shell, the filter shell top outer side is equipped with a top cover, the top cover is equipped with uniformly distributed second bolts, the second bolt bottom end is spirally connected with the filter shell, the top cover is equipped with the filtering body, the filtering body bottom is arranged in the filter shell, the filter shell bottom left side is fixedly connected with a bottom plate, the top cover inner bottom is fixedly connected with a vertically arranged baffle, the baffle front and back sides are both fixedly connected with vertically arranged straight sealing strips, the baffle left and right sides bottom are both fixedly connected with support plates, the support plate side away from the baffle is fixedly connected with an arc-shaped sealing strip, the support plate is equipped with uniformly distributed air grooves, and the filter shell right side upper end is fixedly connected with an air outlet valve.

[0007] Preferably, a second sealing plate is tightly fitted to the bottom of the left support plate, the bottom of the second sealing plate is fixedly connected to the bottom plate, and the outer sides of the second sealing plate are tightly fitted to the filter housing and the partition respectively.

[0008] Preferably, a sealing ring is fixedly connected to the lower inner part of the top cover, the sealing ring is tightly fitted with the filter shell, the side of the linear sealing strip away from the partition is tightly fitted with the filter shell, and the side of the arc-shaped sealing strip away from the support plate is tightly fitted with the filter shell.

[0009] Preferably, the filter body includes a top plate, a filter block, a sealing sleeve, a first bolt and a first sealing plate. The bottom of the top plate is fixedly connected to the sealing sleeve, and the inside of the sealing sleeve is tightly fitted with the filter block. The bottom of the filter block is fixedly connected to the first sealing plate, and the bottom of the first sealing plate is tightly fitted with the support plate. An air inlet groove is provided at the bottom of the filter block, and a connecting groove for connecting the air inlet groove provided by the filter block and the ventilation groove provided by the support plate is provided in the first sealing plate. The top plate and the sealing sleeve are both penetrated by the first bolt, and the bottom of the first bolt is screwed to the top cover.

[0010] Preferably, the two filter blocks are respectively arranged on the left and right sides of the partition, and the outer side of the sealing sleeve is tightly fitted with the top cover.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. In the present invention, the tower body, air inlet valve, collection body, spray body, filter housing, top cover, air outlet valve, filter body, partition, support plate, linear sealing strip, arcuate sealing strip, ventilation groove, sealing ring, second bolt, bottom plate, and second sealing plate are arranged. After the acid gas in the raw gas is separated, the raw gas can be filtered through the filter body. If one side of the filter body fails, the filter body is driven by the top cover to rotate 180 degrees. During the rotation, the linear sealing strip, arcuate sealing strip, and sealing ring are used to provide sealing. The filter body can be switched without stopping the machine.

[0013] 2. In the utility model, by arranging the top plate, filter block, air inlet groove, sealing sleeve, first bolt, first sealing plate and connecting groove, after the failed filter block is replaced, the first bolt can be removed, and then the top plate can be moved upward. The top plate drives the filter block to move upward through the sealing sleeve, and the filter block can be taken out and replaced, which is convenient for replacing the filter block without stopping the machine. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 This is a schematic diagram of the installation structure of the tower body of the utility model;

[0016] Figure 3 It is the assembly structure schematic view of the filter main body of the utility model;

[0017] Figure 4 It is the structure schematic view of the filter main body of the utility model;

[0018] Figure 5 It is the structure schematic view of the filter block of the utility model;

[0019] Figure 6 It is the installation structure schematic view of the filter block of the utility model;

[0020] Figure 7 It is the installation structure schematic view of the partition plate of the utility model;

[0021] Figure 8 It is the cooperation structure schematic view of the partition plate and the filter block of the utility model.

[0022] In the drawing: 1, tower body; 2, inlet valve; 3, collection main body; 4, spray main body; 5, filter shell; 6, top cover; 7, outlet valve; 8, filter main body; 801, top plate; 802, filter block; 803, inlet groove; 804, sealing sleeve; 805, first bolt; 806, first sealing plate; 807, connecting groove; 9, partition plate; 10, support plate; 11, straight sealing strip; 12, arc-shaped sealing strip; 13, air passage; 14, sealing ring; 15, second bolt; 16, bottom plate; 17, second sealing plate. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-8 The utility model provides a technical scheme:

[0025] A raw material gas acid gas separator, including tower body 1 and filter body 8, the bottom of tower body 1 is fixedly connected with collecting body 3, the left bottom of tower body 1 is fixedly connected with air inlet valve 2, the right top of tower body 1 is fixedly connected with spraying body 4, the top of tower body 1 is fixedly connected with filter shell 5, the outside of the top of filter shell 5 is equipped with top cover 6, second bolt 15 in uniform distribution is arranged in top cover 6, the bottom end of second bolt 15 is screw-connected with filter shell 5, filter body 8 is arranged in top cover 6, the bottom of filter body 8 is arranged in filter shell 5, bottom plate 16 is fixedly connected with the left bottom of filter shell 5, longitudinal partition plate 9 is fixedly connected with the bottom of top cover 6, vertical linear sealing strip 11 is fixedly connected with the front and back of partition plate 9, support plate 10 is fixedly connected with the left and right sides of the bottom of partition plate 9, arc-shaped sealing strip 12 is fixedly connected with the side, away from partition plate 9, of support plate 10, air passage 13 in uniform distribution is arranged in support plate 10, air outlet valve 7 is fixedly connected with the right upper end of filter shell 5, through the above arrangement, after the acid gas in raw material gas is separated, the raw material gas can be filtered through filter body 8, when one side filter body 8 is invalid, top cover 6 drives filter body 8 to rotate 180°, and filter body 8 is sealed by the action of linear sealing strip 11, arc-shaped sealing strip 12 and sealing ring 14 during the rotating process, so that filter body 8 can be switched without stopping.

[0026] The bottom of the left support plate 10 is tightly attached with a second sealing plate 17, the bottom of the second sealing plate 17 is fixedly connected with the bottom plate 16, the outer side of the second sealing plate 17 is tightly attached with the filter shell 5 and the partition plate 9 respectively, the inner lower part of the top cover 6 is fixedly connected with a sealing ring 14, the inner part of the sealing ring 14 is tightly attached with the filter shell 5, the side of the linear sealing strip 11 away from the partition plate 9 is tightly attached with the filter shell 5, the side of the arc-shaped sealing strip 12 away from the support plate 10 is tightly attached with the filter shell 5, through the arrangement, the filter shell 5 can be sealed when the two filter blocks 802 are replaced, so as to prevent gas leakage, the filter main body 8 comprises a top plate 801, a filter block 802, a sealing sleeve 804, a first bolt 805 and a first sealing plate 806, the bottom of the top plate 801 is fixedly connected with the sealing sleeve 804, the inner part of the sealing sleeve 804 is tightly attached with the filter block 802, the bottom of the filter block 802 is fixedly connected with the first sealing plate 806, the bottom of the first sealing plate 806 is tightly attached with the support plate 10, the bottom of the filter block 802 is provided with an air inlet groove 803, the inner part of the first sealing plate 806 is provided with a connecting groove 807 for connecting the air inlet groove 803 of the filter block 802 and the air passage groove 13 of the support plate 10, the first bolt 805 penetrates through the top plate 801 and the sealing sleeve 804, the bottom of the first bolt 805 is screw-connected with the top cover 6, the two filter blocks 802 are arranged on the left and right sides of the partition plate 9 respectively, the outer side of the sealing sleeve 804 is tightly attached with the top cover 6, through the arrangement, after the failed filter block 802 is replaced, the first bolt 805 is removed, then the top plate 801 is moved upward, the top plate 801 drives the filter block 802 to move upward through the sealing sleeve 804, the filter block 802 is taken out and replaced, so that the filter block 802 can be replaced without stopping the machine.

[0027] Workflow: when the raw gas acid gas separator is in use, first connect the power, then connect the raw gas to the inlet valve 2, then connect the acid absorbing solution to the end of the spray body 4 outside the tower body 1, then start the inlet valve 2, the spray body 4 and the outlet valve 7, at this time the raw gas enters the tower body 1, then the spray body 4 sprays the acid absorbing solution, the raw liquid contacts the acid absorbing solution, the acid absorbing solution absorbs the acidic substances in the raw liquid, then the acid absorbing solution with the acidic substances moves downward under the action of gravity and flows into the collection body 3, the cleaned raw gas moves upward through the ventilation groove 13 and the connecting groove 807 of the first sealing plate 806 to enter the filter block 802, at this time the raw gas is filtered by the filter block 802 and diffuses to the side of the filter shell 5 close to the outlet valve 7, then the raw gas after acid gas separation is discharged through the outlet valve 7, when the filter block 802 needs to be replaced after long-term use, the second bolt 15 is removed, then the top cover 6 is moved upward, the top cover 6 drives the partition plate 9 and the support plate 10 to move upward, and the filter body 8 is also driven to move upward, the sealing ring seals between the top cover 6 and the filter shell 5 during the movement, when the partition plate 9 moves above the second sealing plate 17 arranged on the bottom plate 16, the top cover 6 is rotated by 180°, the new filter block 802 and the filter block 802 to be replaced are exchanged, the partition plate 9 is sealed between the partition plate 9 and the filter shell 5 through the linear sealing strips 11 arranged on both sides during the rotation of the top cover 6, then the top cover 6 is pushed downward, the top cover 6 drives the partition plate 9, the support plate 10 and the filter body 8 to move downward, at this time the bottom of the support plate 10 arranged on the left side closely abuts against the second sealing plate 17, and the linear sealing strips 11 and the arc-shaped sealing strips 12 separately form two sealed spaces for the filter shell 5 on both sides of the partition plate 9, at this time the raw gas is filtered by the new filter block 802, then the first bolt 805 arranged above the bottom plate 16 is removed, then the top plate 801 is moved upward, the top plate 801 drives the filter block 802 to move upward through the sealing sleeve 804, the filter block 802 is taken out, then the filter block 802 to be replaced is taken out from the sealing sleeve 804, then the new filter block 802 is placed in the sealing sleeve 804, the filter block 802 is positioned by the elasticity of the sealing sleeve 804, then the filter block 802 is placed in the filter shell 5, at this time the bottom of the first sealing plate 806 closely abuts against the support plate 10, then the second bolt is placed in the top plate 801, the top plate 801 is fixed through the second bolt 15, and the sealing sleeve 804 closely abuts against the top cover 6 driven by the top plate 801, so that the sealing is realized.

[0028] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A sour gas separator of a feed gas, comprising a column body (1) and a filter body (8), characterized in that: The bottom of the tower body (1) is fixedly connected with a collecting main body (3), the left bottom of the tower body (1) is fixedly connected with an air inlet valve (2), the right top of the tower body (1) is fixedly connected with a spraying main body (4), the top of the tower body (1) is fixedly connected with a filter shell (5), the top outside of the filter shell (5) is provided with a top cover (6), the inside of the top cover (6) is provided with second bolts (15) which are uniformly distributed, the bottom ends of the second bolts (15) are screw-connected with the filter shell (5), the inside of the top cover (6) is provided with a filter main body (8), the bottom of the filter main body (8) is arranged in the filter shell (5), the bottom left of the filter shell (5) is fixedly connected with a bottom plate (16), the inside bottom of the top cover (6) is fixedly connected with a vertically arranged baffle (9), the front and rear sides of the baffle (9) are both fixedly connected with vertically arranged straight sealing strips (11), the left and right sides of the baffle (9) are both fixedly connected with support plates (10), the sides, away from the baffle (9), of the support plates (10) are fixedly connected with arc-shaped sealing strips (12), the inside of the support plate (10) is provided with air passage grooves (13) which are uniformly distributed, and the right top of the filter shell (5) is fixedly connected with an air outlet valve (7).

2. A sour gas separator for raw gas according to claim 1, characterized in that: The bottom of the left support plate (10) is tightly attached with a second sealing plate (17), the bottom of the second sealing plate (17) is fixedly connected with the bottom plate (16), and the outside of the second sealing plate (17) is tightly attached with the filter shell (5) and the baffle (9).

3. A sour gas separator for raw gas according to claim 1, characterized in that: The inside bottom of the top cover (6) is fixedly connected with a sealing ring (14), the inside of the sealing ring (14) is tightly attached with the filter shell (5), the side, away from the baffle (9), of the straight sealing strip (11) is tightly attached with the filter shell (5), and the side, away from the support plate (10), of the arc-shaped sealing strip (12) is tightly attached with the filter shell (5).

4. A sour gas separator for raw gas according to claim 1, characterized in that: The filter main body (8) comprises a top plate (801), filter blocks (802), a sealing sleeve (804), first bolts (805) and a first sealing plate (806), the bottom of the top plate (801) is fixedly connected with the sealing sleeve (804), the inside of the sealing sleeve (804) is tightly attached with the filter block (802), the bottom of the filter block (802) is fixedly connected with the first sealing plate (806), the bottom of the first sealing plate (806) is tightly attached with the support plate (10), the bottom of the filter block (802) is provided with an air inlet groove (803), the inside of the first sealing plate (806) is provided with a connecting groove (807) for connecting the air inlet groove (803) of the filter block (802) and the air passage groove (13) of the support plate (10), and the insides of the top plate (801) and the sealing sleeve (804) are both penetrated by the first bolts (805), and the bottoms of the first bolts (805) are screw-connected with the top cover (6).

5. A sour gas separator for raw gas according to claim 4, characterized in that: The two filter blocks (802) are arranged on the left and right sides of the baffle (9), and the outside of the sealing sleeve (804) is tightly attached with the top cover (6).