Sulfuric acid preparation and conversion device

By designing detachable support blocks and limiting mechanisms, combined with a motor-driven limiting and support system, the problem of difficult disassembly and assembly of the catalyst bed was solved, enabling convenient replacement of the catalyst and stable installation of the support components, thereby improving the practicality and conversion efficiency of the sulfuric acid preparation conversion unit.

CN223468202UActive Publication Date: 2025-10-24JIANGSU YONGJI CHEM EQUIP
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Patent Information

Application Number
CN202422948266.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-10-24
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

In existing sulfuric acid converters, the catalyst bed is fixedly installed, which is inconvenient for disassembly and maintenance, resulting in difficulties in catalyst replacement and maintenance of support components.

Method used

A sulfuric acid preparation and conversion device was designed, which adopts a detachable support block and a limiting mechanism, combined with a motor-driven limiting and support system, to achieve convenient catalyst replacement and stable installation of support components.

Benefits of technology

This enables convenient catalyst replacement and stable maintenance of support components, improving the practicality and conversion efficiency of the unit.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sulfuric acid preparation and conversion device, which belongs to the technical field of sulfuric acid preparation and conversion devices, and comprises a conversion device main body, a sealing cover mounted at the top of the conversion device main body, an air inlet pipe fixed at the top of the sealing cover, an inner container mounted in the conversion device main body, and grooves uniformly formed in the inner container, limiting rings are arranged in the grooves, fixing rings are evenly arranged in the conversion device body, and limiting mechanisms are arranged between the fixing rings and the conversion device body. Through cooperative use of the conversion device main body, the sealing cover, the air inlet pipe, the inner container, the groove, the limiting ring, the fixing ring, the screw rod, the supporting block, the [-shaped plate, the net plate and the catalyst, the screw rod can be rotated to enable the [-shaped plate to be separated from the outer side of the limiting ring, and a supporting part at the bottom of the net plate is disassembled, so that the catalyst is convenient to replace; meanwhile, the supporting component is convenient to maintain, so that the practicability of the sulfuric acid preparation and conversion device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a compression roller drive mechanism, in particular to a sulfuric acid preparation conversion device belongs to sulfuric acid preparation conversion device technical field. BACKGROUND

[0002] Sulfuric acid preparation conversion device is the key equipment in sulfuric acid production preparation, it will sulfur dioxide through the catalytic action of catalyst oxidize into sulfur trioxide, then use concentrated sulfuric acid absorption into finished product acid, the temperature in the converter keeps at 550~620 DEG for a long time.

[0003] The prior art such as the utility model discloses a sulfuric acid converter in the application number 201420120240.0, adopts long circle change round mouth connector pipe, can effectively prevent the cracking of thermal deformation.

[0004] Similar to the above application still has the shortcoming at present:

[0005] The catalyst bed layer in the sulfuric acid converter is fixedly installed inside, is inconvenient to dismount and maintain, first when needing to replace catalyst or the net plate that holds catalyst appears damage, is inconvenient to replace, secondly the support component at the bottom appears damage also cannot conveniently maintain for staff;

[0006] Therefore, a sulfuric acid preparation conversion device is designed to optimize the above problems. CONTENT OF THE UTILITY MODEL

[0007] The main purpose of the utility model is to provide a sulfuric acid preparation conversion device to solve the problems raised in the above background art.

[0008] The purpose of the utility model can be achieved by adopting the following technical scheme:

[0009] A sulfuric acid preparation conversion device, including the conversion device main part, the top of the conversion device main part is installed with the cover, the top of the cover is fixed with the air inlet pipe, the inside of the conversion device main part is installed with the inner bag, the inside of the inner bag is evenly provided with the recess, the inside of the recess is all provided with the limit ring, the inside of the conversion device main part is evenly provided with the fixed ring, and the limit mechanism is arranged between the fixed ring and the conversion device main part, the outside of the fixed ring is evenly provided with the screw rod, the outside of the screw rod is all threaded with the support block, the outside of the fixed ring and the upper position of the screw rod are fixed with the limit rod, and the limit rod penetrates and extends to the inside of the support block, the limit rod and the support block are slidably connected, one end of the support block is provided with the Z-shaped plate, and the Z-shaped plate is respectively clamped with the outside of the limit ring, the top of the support block is provided with the net plate, the top of the net plate is filled with the catalyst, the inside of the cover is provided with the air inlet component, and the bottom of the support block is provided with the auxiliary mechanism.

[0010] Preferably, the limiting mechanism comprises a heat insulation pipe and a motor, the heat insulation pipe is installed on the inner bottom wall of the conversion device body, the inner bottom wall of the heat insulation pipe is provided with the motor, the output shaft of the motor is fixed with a lead screw, the outer side of the lead screw is uniformly provided with a sliding block, the inner side wall of the heat insulation pipe is symmetrically provided with a limiting strip, the outer side of the sliding block is provided with a sliding groove matched with the limiting strip, the bottom of the sliding block is fixed with a tapered block, the outer side of the heat insulation pipe and below the fixed ring are uniformly and slidingly provided with a movable rod, one end of the movable rod is slidingly connected with the tapered block, the outer side of the movable rod is provided with a sleeve, one side of the sleeve is fixed with a spring, and the spring is sleeved on the outer side of the movable rod.

[0011] Preferably, the air inlet component comprises a partition plate and an inclined plate, the partition plates are uniformly arranged in the interior of the cover, and the inclined plates are uniformly arranged between the partition plates.

[0012] Preferably, the auxiliary mechanism comprises a fixed plate and a supporting rod, the fixed plates are arranged at the bottoms of the U-shaped plates respectively, one side of each fixed plate is provided with a supporting rod, and the top of the supporting rod is fixedly connected with the bottom of the supporting block.

[0013] Preferably, the cover is provided with a maintenance pipeline, and the interior of the maintenance pipeline is provided with a crawling ladder.

[0014] Preferably, the outer side of the conversion device body is uniformly provided with a maintenance opening, and the interior of the maintenance opening is provided with a fixed pipeline.

[0015] Preferably, one side of the fixed plate away from the supporting rod is provided with an anti-skid pattern, and the supporting rod is obliquely arranged on one side of the fixed plate.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The utility model discloses a conversion device for sulfuric acid preparation, which comprises a conversion device body, a cover, an air inlet pipe, an inner container, a groove, a limiting ring, a fixed ring, a screw rod, a supporting block, a U-shaped plate, a mesh plate and a catalyst.

[0018] 2. The utility model discloses a conversion device for sulfuric acid preparation, which comprises a conversion device body, a cover, an air inlet pipe, an inner container, a groove, a limiting ring, a fixed ring, a screw rod, a supporting block, a U-shaped plate, a mesh plate and a catalyst.

[0019] 3. The utility model discloses a cooperation of the split plate and the inclined plate is used, and gas material is input into the conversion device main body through the air inlet pipe, and the gas material is divided into multiple gas flows by the split plate and the inclined plate and flows to the four directions, the inclined plate guides the gas material to flow outward, reduces the gas flow of directly downward, and further makes the gas material more evenly enter the conversion device main body, and fully contacts the catalyst, thereby improve the conversion efficiency.

[0020] The utility model discloses a cooperation of the fixed plate and the support rod is used, when the shaped plate is clamped on the outside of the limiting ring, the fixed plate of shaped plate bottom is attached to the inner wall of the inner bag, and the top end of the support rod of side is the bottom of auxiliary support effect of support block, further improve the firmness of support block and screw rod whole. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the front view of the utility model's schematic diagram of the fixed ring and screw rod's connection;

[0022] Figure 2 It is the front view of the utility model's schematic diagram of the fixed ring and screw rod's connection;

[0023] Figure 3 It is the front view of the utility model's schematic diagram of the fixed ring and screw rod's connection; Figure 1 It is the front view of the utility model's schematic diagram of the fixed ring and screw rod's connection;

[0024] Figure 4 It is the front view of the utility model's schematic diagram of the fixed ring and screw rod's connection;

[0025] Figure 5 It is the front view of the utility model's schematic diagram of the fixed ring and screw rod's connection。

[0026] In the drawing: 1, conversion device main body;2, cover;3, air inlet pipe;4, inner bag;5, recess;6, limiting ring;7, fixed ring;8, screw;9, support block;10, shaped plate;11, net plate;12, catalyst;13, limiting rod;

[0027] 100, limiting mechanism;101, temperature insulation pipe;102, motor;103, screw;104, sliding block;105, limiting strip;106, conical block;107, movable rod;108, sleeve;109, spring;

[0028] 200, air inlet component;201, split plate;202, inclined plate;

[0029] 300, auxiliary mechanism;301, fixed plate;302, support rod. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments.

[0031] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but merely represents some embodiments of the application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0032] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0033] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0034] In the description of the present application, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly used when the product is used, or the orientation or position relationship commonly understood by those skilled in the art, such terms are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0035] Embodiment 1

[0036] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The embodiment shown, a sulfuric acid preparation conversion device, comprising a conversion device body 1, the top of the conversion device body 1 is provided with a cover 2, the top of the cover 2 is fixedly provided with an air inlet pipe 3, the inside of the conversion device body 1 is provided with an inner container 4, the inside of the inner container 4 is uniformly provided with a groove 5, the inside of the groove 5 is provided with a limiting ring 6, the inside of the conversion device body 1 is uniformly provided with a fixing ring 7, the limiting mechanism 100 is arranged between the fixing ring 7 and the conversion device body 1, the outside of the fixing ring 7 is uniformly provided with a screw rod 8, the outside of the screw rod 8 is threadedly provided with a supporting block 9, the outside of the fixing ring 7 and above the screw rod 8 is fixedly provided with a limiting rod 13, and the limiting rod 13 penetrates and extends into the inside of the supporting block 9, the limiting rod 13 and the supporting block 9 are in sliding connection, one end of the supporting block 9 is provided with a Z-shaped plate 10, and the Z-shaped plate 10 is respectively clamped with the outside of the limiting ring 6, the top of the supporting block 9 is provided with a mesh plate 11, the top of the mesh plate 11 is filled with a catalyst 12, the inside of the cover 2 is provided with an air inlet component 200, and the bottom of the supporting block 9 is provided with an auxiliary mechanism 300.

[0037] The fixing ring 7 is moved downward along the temperature insulation pipe 101 by a hoisting device or other tools, the fixing ring 7 drives the screw rod 8 and the Z-shaped plate 10 to move to the height alignment with the limiting ring 6, then the screw rod 8 is rotated respectively, the screw rod 8 drives the supporting block 9 to move outward, until the supporting block 9 pushes the Z-shaped plate 10 to insert into the groove 5 and clamps the outside of the limiting ring 6, after the Z-shaped plate 10 clamps the outside of the limiting ring 6, the mesh plate 11 is placed on the top of the supporting block 9 and the catalyst 12 is laid, and the screw rod 8 is reversely rotated to make the Z-shaped plate 10 separate from the groove 5, so that the screw rod 8 and the supporting block 9 can be moved upward and disassembled.

[0038] Example 2

[0039] The scheme in example 1 is further introduced in combination with a specific working mode, and details are described below:

[0040] As Figure 1 and Figure 3As shown, as a preferred embodiment, on the basis of the above-mentioned manner, further, the limiting mechanism 100 comprises the temperature insulation pipe 101 and the motor 102, the temperature insulation pipe 101 is installed on the inner bottom wall of the conversion device main body 1, the inner bottom wall of the temperature insulation pipe 101 is provided with the motor 102, the output shaft of the motor 102 is fixed with the lead screw 103, the outer side of the lead screw 103 is uniformly provided with the sliding block 104, the inner side wall of the temperature insulation pipe 101 is symmetrically provided with the limiting strip 105, the outer side of the sliding block 104 is provided with the sliding groove matched with the limiting strip 105, the bottom of the sliding block 104 is fixed with the tapered block 106, the outer side of the temperature insulation pipe 101 and below the fixed ring 7 are uniformly and slidingly provided with the movable rod 107, one end of the movable rod 107 is slidingly connected with the tapered block 106, the outer side of the movable rod 107 is provided with the sleeve 108, one side of the sleeve 108 is fixed with the spring 109, and the spring 109 is sleeved on the outer side of the movable rod 107.

[0041] The fixed ring 7 is sleeved on the outer side of the temperature insulation pipe 101 by the lifting tool, the fixed ring 7 moves downward along the outer side of the temperature insulation pipe 101, then the motor 102 is started, the motor 102 drives the lead screw 103 to rotate, under the limiting of the limiting strip 105 to the sliding block 104, the lead screw 103 drives the sliding block 104 and the tapered block 106 to move downward, the tapered block 106 pushes the movable rod 107 outward, the end of the movable rod 107 extends out of the outer side of the temperature insulation pipe 101, and the movable rod 107 plays a preliminary limiting role on the bottom of the fixed ring 7, facilitating subsequent installation, and the movable rod 107 supports the fixed ring 7.

[0042] As shown in Figure 1 and Figure 5 As a preferred embodiment, on the basis of the above-mentioned manner, further, the air inlet component 200 comprises the partition plate 201 and the inclined plate 202, the partition plate 201 is uniformly arranged in the inside of the cover 2, and the inclined plate 202 is uniformly arranged between the partition plates 201.

[0043] The gas material is input into the conversion device main body 1 through the air inlet pipe 3, the gas material is divided into multiple gas flows by the partition plate 201, flows to all directions, and is again divided into multiple gas flows flowing to all directions when passing through the inclined plate 202, the inclined plate 202 is arranged obliquely to guide the gas material to flow outward, reduce the gas flow directly downward, and further make the gas material enter the inside of the conversion device main body 1 more uniformly and fully contact the catalyst 12.

[0044] As shown in Figure 1 As a preferred embodiment, on the basis of the above-mentioned manner, further, the auxiliary mechanism 300 comprises the fixed plate 301 and the support rod 302, the fixed plate 301 is arranged at the bottom of the U-shaped plate 10, the support rod 302 is arranged on one side of the fixed plate 301, and the top of the support rod 302 is fixedly connected with the bottom of the support block 9.

[0045] When the Z-shaped plate 10 is clamped on the outside of the limiting ring 6, the fixed plate 301 at the bottom of the Z-shaped plate 10 is attached to the inner wall of the inner container 4, and the top end of the support rod 302 on the side edge plays an auxiliary supporting role on the bottom of the supporting block 9.

[0046] As shown in Figure 1 , as a preferred embodiment, on the basis of the above-mentioned mode, further, the cover 2 is provided with a maintenance pipeline, and the inside of the maintenance pipeline is provided with a ladder.

[0047] Through the maintenance pipeline and the ladder, the maintenance work on the top catalyst 12 is facilitated.

[0048] As shown in Figure 1 , as a preferred embodiment, on the basis of the above-mentioned mode, further, the outside of the conversion device main body 1 is uniformly provided with a maintenance port, and the inside of the maintenance port is provided with a fixed pipeline.

[0049] Through the setting of the maintenance port and the fixed pipeline, the layered maintenance of the catalyst 12 and other components is facilitated.

[0050] As shown in Figure 1 , as a preferred embodiment, on the basis of the above-mentioned mode, further, the side of the fixed plate 301 away from the support rod 302 is provided with an anti-skid pattern, and the support rod 302 is inclinedly arranged on one side of the fixed plate 301.

[0051] Through the setting of the anti-skid pattern, the friction between the fixed plate 301 and the inner wall of the inner container 4 is increased, and the stability is improved.

[0052] Example 3

[0053] The schemes in Examples 1 and 2 will be further introduced in combination with specific working modes, and details are described below:

[0054] The fixed ring 7 is sleeved outside the thermal insulation pipe 101 through the lifting tool, so that the fixed ring 7 moves downwards along the outside of the thermal insulation pipe 101, and then the motor 102 is started, the motor 102 drives the screw rod 103 to rotate, under the limiting of the limiting strip 105 to the sliding block 104, the screw rod 103 drives the sliding block 104 and the conical block 106 to move downwards, the conical block 106 pushes the movable rod 107 outward, so that the end of the movable rod 107 extends outside the thermal insulation pipe 101, and the bottom of the fixed ring 7 is preliminarily limited, so that the fixed ring 7 is limited on the top of the movable rod 107, and the Z-shaped plate 10 at the end of the screw rod 8 moves to the height of the limiting ring 6, the lifting tool is manually put into the conversion device main body 1 and the screw rod 8 is rotated, the screw rod 8 drives the supporting block 9 to move outward, until the supporting block 9 pushes the Z-shaped plate 10 to be inserted into the groove 5 and clamped outside the limiting ring 6, and after the Z-shaped plate 10 is clamped outside the limiting ring 6, the net plate 11 is placed on the top of the supporting block 9 and the catalyst 12 is laid, the screw rod 8 is reversely rotated to make the Z-shaped plate 10 be separated from the groove 5, so that the screw rod 8 and the supporting block 9 are moved upwards and disassembled, after installation is completed, the gas is input, the gas is input into the conversion device main body 1 through the gas inlet pipe 3, the gas is divided into multiple gas flows by the dividing plate 201, flows to all directions, and is again divided into multiple gas flows to flow to all directions when passing through the inclined plate 202, the inclined plate 202 is inclinedly arranged and guides the gas to flow outward, reduces the gas flow directly downward, and further makes the gas into the conversion device main body 1 more uniform and fully contacts with the catalyst 12.

[0055] The above is only further embodiments of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the scope disclosed by the present application, which belongs to the protection scope of the present application.

Claims

1. A sulfuric acid production conversion plant, characterized by: The utility model provides a kind of conversion device, including conversion device body (1), the top of conversion device body (1) is equipped with cover (2), the top of cover (2) is fixed with air inlet pipe (3), the inside of conversion device body (1) is equipped with inner bag (4), recess (5) is evenly set in the inside of inner bag (4), limit ring (6) is arranged in the inside of recess (5), the inside of conversion device body (1) is evenly provided with fixed ring (7), limit mechanism (100) is arranged between fixed ring (7) and conversion device body (1), the outside of fixed ring (7) is evenly provided with screw rod (8), support block (9) is threadedly installed on the outside of screw rod (8), limit rod (13) is fixed on the outside of fixed ring (7) and located above screw rod (8) position, and limit rod (13) penetrates and extends to the inside of support block (9), limit rod (13) and support block (9) are slidably connected, the one end of support block (9) is provided with U-shaped plate (10), and U-shaped plate (10) is respectively engaged with the outside of limit ring (6), the top of support block (9) is provided with screen plate (11), catalyst (12) is filled in the top of screen plate (11), cover (2) is provided with air inlet component (200), the bottom of support block (9) is provided with auxiliary mechanism (300).

2. A sulphuric acid production conversion plant according to claim 1, characterised in that: Limit mechanism (100) includes temperature insulation pipe (101) and motor (102), temperature insulation pipe (101) is installed on the inner bottom wall of conversion device body (1), motor (102) is installed on the inner bottom wall of temperature insulation pipe (101), the output shaft of motor (102) is fixed with screw rod (103), the outside of screw rod (103) is evenly provided with sliding block (104), limit strip (105) is symmetrically arranged on the inner side wall of temperature insulation pipe (101), the outside of sliding block (104) is provided with the sliding groove matched with limit strip (105), the bottom of sliding block (104) is fixed with conical block (106), movable rod (107) is slidably installed on the outside of temperature insulation pipe (101) and is evenly located below fixed ring (7), and one end of movable rod (107) is slidably connected with conical block (106), sleeve (108) is arranged on the outside of movable rod (107), spring (109) is fixed on the one side of sleeve (108), and spring (109) is sleeved on the outside of movable rod (107).

3. A sulfuric acid production conversion unit according to claim 1, characterized in that: Air inlet component (200) includes partition plate (201) and inclined plate (202), partition plate (201) is evenly arranged in the inside of cover (2), and inclined plate (202) is evenly arranged between partition plate (201).

4. A sulfuric acid production conversion unit according to claim 1, characterized in that: Auxiliary mechanism (300) includes fixed plate (301) and support rod (302), fixed plate (301) is arranged on the bottom of U-shaped plate (10) respectively, support rod (302) is arranged on the one side of fixed plate (301), and the top of support rod (302) is fixedly connected with the bottom of support block (9).

5. A sulfuric acid production conversion unit according to claim 1, characterized in that: Cover (2) is provided with maintenance pipeline, and the inside of maintenance pipeline is provided with ladder.

6. A sulfuric acid production conversion unit according to claim 1, characterized in that: The outside of conversion device body (1) is evenly provided with maintenance opening, and the inside of maintenance opening is provided with fixed pipeline.

7. A sulfuric acid production conversion unit according to claim 4, characterized in that: The fixed plate (301) is provided with anti-skid lines on the side away from the support rod (302), and the support rod (302) is obliquely arranged on one side of the fixed plate (301).

Citation Information

Patent Citations

  • Sulfuric acid converter

    CN203768026U