Novel dry suction pipeline capable of preventing deformation and explosion in process of preparing acid from pyrite and concentrated sulfuric acid
By designing a novel dry suction pipeline in the pyrite-to-acid process, and employing a combination structure of mounting blocks, baffles, dampers, and rubber pads, the problems of easy deformation and cracking of the pipeline were solved, achieving high rigidity and stability of the pipeline and preventing cracking caused by excessive pressure.
Patent Information
- Application Number
- CN202520402488.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-03-10
AI Technical Summary
In existing sulfuric acid production processes using pyrite, the dry suction pipeline design neglects the overall rigidity and stability of the pipeline, leading to easy deformation and cracking during long-term use, and a high risk of deformation and rupture.
A novel dry suction pipeline was designed. By setting a combination structure of mounting blocks, baffles, dampers, return springs and rubber pads on the pipeline surface, the overall rigidity and stability of the pipeline are enhanced. The damper and return spring are used to absorb the vibration of the pipeline and reduce the possibility of deformation.
It effectively improves the pressure resistance and stability of the pipeline, prevents it from bursting due to excessive pressure, and enhances the mechanical strength and structural compactness of the pipeline.
Smart Images

Figure CN223609677U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pyrite acid production technical field, specifically is a kind of novel dry suction pipeline in the process of pyrite acid concentrated sulfuric acid to prevent deformation burst. BACKGROUND
[0002] In the pyrite acid production process, the production of concentrated sulfuric acid is a key link, however, concentrated sulfuric acid has strong corrosiveness and oxidizability, and the change of its concentration and temperature can all lead to significant change in its physical properties, therefore, in the conveying process of concentrated sulfuric acid, the selection and design of pipeline are crucial.
[0003] Through retrieval, the publication number CN218481736U, named a pyrite sulfuric acid device, including boiling furnace, contact chamber, absorption tower, rotating mechanism and watering mechanism, through research and analysis, found that although the device has the effect of improving tail gas treatment and emission standard, reduces the pressure fluctuation and stress concentration function in the pipeline by optimizing fluid flow state, etc., but, to some extent, there are still the following shortcomings:
[0004] For example: dry suction pipeline design often ignores the overall rigidity and stability of pipeline, leading to gradual deformation and cracking of pipeline in long-term use, especially under the joint action of environment and internal medium, the fatigue strength of pipeline decreases sharply, so that the risk of deformation and burst is greatly increased, in order to solve the above technical problems, therefore, we design a kind of novel dry suction pipeline in the process of pyrite acid concentrated sulfuric acid to prevent deformation burst to solve the above problems. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of novel dry suction pipeline in the process of pyrite acid concentrated sulfuric acid to prevent deformation burst, with the advantages of improving the overall rigidity and stability of pipeline, effectively resisting the influence of external force action and internal pressure change on pipeline, solving the problem that pressure cannot be effectively dispersed and borne, and pipeline cannot be prevented from bursting due to excessive pressure.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of novel dry suction pipeline in the process of pyrite acid concentrated sulfuric acid to prevent deformation burst, including dry suction pipeline main part, the both ends of dry suction pipeline main part are connected with connecting pipe, the surface of dry suction pipeline main part is provided with mounting block, the inner chamber of mounting block is provided with adjusting mechanism, the adjusting mechanism includes baffle, the side of baffle is penetrated to the inner chamber of mounting block, the inner wall of mounting block is respectively fixedly installed with damper and reset spring, one end of damper and reset spring is fixedly installed with fixed part, the surface of fixed part is provided with rubber pad.
[0007] Preferably, the reset spring movable sleeve is arranged on the surface of the damper, the number of the dampers is several, and the opposite side of the rubber pad is movably connected with the dry suction pipeline body.
[0008] Preferably, the top of the baffle is welded with the mounting block of the top, and the surface of the baffle is movably connected with the inner wall of the mounting block of the bottom.
[0009] Preferably, the surface of the mounting block movably contacts the elastic sheet, the surface of the elastic sheet is fixedly connected with the buffer spring, one end of the buffer spring is fixedly connected with the fixing seat, the inner wall of the fixing seat is provided with a sliding groove, the inner wall of the sliding groove is welded with a sliding rod, the surface of the sliding rod movably sleeves with a sliding block, the sliding block and the elastic sheet are movably connected with a connecting rod through a rotating shaft, the connecting rod and the elastic sheet are fixedly connected with a damping spring, and the surface of the fixing seat is welded with a screw rod.
[0010] Preferably, the buffer springs are arranged at equal distances, and the screw rods are located on the two sides of the fixing seat.
[0011] Preferably, one end of the screw rod penetrates through the fixing seat and is movably connected with the inner wall of the fixing seat, and the limiting plate movably contacts the surface of the fixing seat on one side.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1. The utility model discloses a baffle, a damper, a reset spring, a fixing piece and a rubber pad cooperate, the fixing piece in the lower mounting block and the upper mounting block is in close contact with the dry suction pipeline body, the outer surface of the dry suction pipeline body is bonded with an elastic rubber pad, the wall thickness of the pipeline outside is increased, the damper and the reset spring are arranged on the two sides of the fixing piece, the damper realizes the buffering damping effect, effectively absorbs the vibration of the dry suction pipeline body, reduces the possibility of deformation, and improves the overall rigidity and stability of the pipeline.
[0014] 2. The utility model discloses an elastic sheet, a buffer spring, a fixing seat, a sliding groove, a sliding rod, a sliding block, a connecting rod, a damping spring, a screw rod and a limiting plate cooperate, two elastic sheets are clamped to the mounting block under the driving action of the buffer spring, when the mounting block shakes up and down, the buffer spring buffers the up and down vibration, the connecting rod shakes left and right under the action of the fixing seat due to external force or internal pressure change, the damping spring buffers the left and right vibration of the device, and the compression resistance and stability of the pipeline are improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a three-dimensional schematic view of the utility model;
[0016] Figure 2The utility model discloses a perspective schematic diagram looks up at;
[0017] Figure 3 The utility model discloses a perspective schematic diagram looks up at;
[0018] Figure 4 The utility model discloses a perspective schematic diagram looks up at.
[0019] In the drawing: 1, dry suction pipeline main body, 2, connecting pipe, 3, mounting block, 4, adjusting mechanism, 5, baffle, 6, damper, 7, reset spring, 8, fixed part, 9, rubber pad, 10, elastic sheet, 11, buffer spring, 12, fixed seat, 13, sliding groove, 14, sliding rod, 15, sliding block, 16, connecting rod, 17, shock absorbing spring, 18, screw rod, 19, limiting plate. Specific implementation
[0020] Please refer to Figures 1-4 A novel dry suction pipeline for preventing deformation and explosion in the process of preparing concentrated sulfuric acid from pyrite, which comprises a dry suction pipeline main body 1, connecting pipes 2 are communicated with both ends of the dry suction pipeline main body 1, mounting blocks 3 are arranged on the surface of the dry suction pipeline main body 1, adjusting mechanisms 4 are arranged in the inner cavities of the mounting blocks 3, the adjusting mechanisms 4 comprise baffles 5, the baffles 5 are arranged to penetrate into the inner cavities of the mounting blocks 3, dampers 6 and reset springs 7 are fixedly arranged on the inner walls of the mounting blocks 3, fixed parts 8 are fixedly arranged at one end of the dampers 6 and the reset springs 7, and rubber pads 9 are arranged on the surface of the fixed parts 8.
[0021] Please refer to Figure 3 And Figure 4 The reset springs 7 are movably sleeved on the surface of the dampers 6, the number of the dampers 6 is several, and the opposite side of the rubber pads 9 is movably connected with the dry suction pipeline main body 1, so that the rubber pads 9 can play the protection and buffering effect and avoid the abrasion of the dry suction pipeline main body 1.
[0022] Please refer to Figure 4 The top of the baffle 5 is welded with the mounting block 3, and the surface of the baffle 5 is movably connected with the inner wall of the mounting block 3, so that the baffle 5 can limit the mounting block 3, and on the other hand, the baffle 5 can surround the fixed part 8 and improve the overall structural property.
[0023] Please refer to Figure 3The surface of the mounting block 3 is movably connected with the elastic sheet 10, the surface of the elastic sheet 10 is fixedly connected with the buffer spring 11, one end of the buffer spring 11 is fixedly connected with the fixed seat 12, the inner wall of the fixed seat 12 is provided with the sliding groove 13, the inner wall of the sliding groove 13 is welded with the sliding rod 14, the surface of the sliding rod 14 is movably sleeved with the sliding block 15, the sliding block 15 and the elastic sheet 10 are movably connected with the connecting rod 16 through the rotating shaft, the connecting rod 16 and the elastic sheet 10 are fixedly connected with the damping spring 17, the surface of the fixed seat 12 is welded with the screw rod 18, the surface of the screw rod 18 is threadedly sleeved with the limiting plate 19, and the connecting rod 16 is arranged, so that the vibration of the elastic sheet 10 can be effectively reduced, and the elastic sheet 10 is kept stable.
[0024] Please refer to Figure 4 The buffer springs 11 are equidistantly arranged, and the screw rod 18 is located on the two sides of the fixed seat 12, the screw rod 18 is arranged, the two fixed seats 12 are connected and fixed, a pre-tightening force is generated through the threaded structure, so that the tight connection and the transmission of mechanical strength are realized.
[0025] Please refer to Figure 3 One end of the screw rod 18 penetrates through the fixed seat 12 and is movably connected with the inner wall of the fixed seat 12, the limiting plate 19 is movably connected with the surface of the fixed seat 12 on one side, the limiting plate 19 is arranged, the movement range position of the related component screw rod 18 is limited and fixed, and the fixed seat 12 is ensured to work in a predetermined track or position.
[0026] In use, the two groups of fixing members 8 are respectively pushed upward and downward, then the dry suction pipeline body 1 is placed on the top of the rubber pad 9, the dry suction pipeline body 1 is located between the two groups of mounting blocks 3, then the two groups of fixing members 8 are loosened, and then the two groups of fixing members 8 are clamped on the dry suction pipeline body 1 under the pushing action of the damper 6 and the reset spring 7, so that different sizes are adapted to, the fixing members 8 and the rubber pad 9 supporting structures are added at external positions, the stability is enhanced when resisting internal pressure changes, then the mounting block 3 is extruded to make the baffle 5 retract at the protruding position, the mounting block 3 is inserted between the two groups of elastic sheets 10, the use range of the screw rod 18 is limited by rotating the limiting plate 19, and the fixed seats 12 are fixed, when various mechanical effects of internal and external environments occur, the fixed seats 12 and the mounting blocks 3 shake up and down, a plurality of buffer springs 11 can buffer the vibration of the fixed seat 12 and the elastic sheet 10 of the device, when shaking left and right, the connecting rod is extruded to be inclined, the sliding block 150 is pushed to slide along the surface of the sliding rod 14, the damping spring 17 is extruded, the damping spring 17 can play a protection and buffering role in reverse elasticity, the vibration of the dry suction pipeline body 1 can be reduced, and the supporting structure can effectively disperse and withstand pressure.
[0027] In summary: the new type of dry suction pipeline for preventing deformation and bursting in the process of producing concentrated sulfuric acid from pyrite, through the cooperation of the main body of the dry suction pipeline 1, the connecting pipe 2, the mounting block 3 and the adjusting mechanism 4, solves the problem that the pressure cannot be effectively dispersed and borne, and the pipeline cannot be prevented from bursting due to excessive pressure.
Claims
1. A new type of dry absorption pipeline for preventing deformation burst in the process of pyrite-based acid concentrated sulfuric acid, comprising a dry absorption pipeline body (1), characterized in that: The both ends of the dry suction pipeline body (1) are communicated with connecting pipes (2), the surface of the dry suction pipeline body (1) is provided with mounting blocks (3), the inner cavity of the mounting block (3) is provided with an adjusting mechanism (4), the adjusting mechanism (4) comprises a baffle (5), one side of the baffle (5) penetrates into the inner cavity of the mounting block (3), the inner wall of the mounting block (3) is respectively fixedly provided with a damper (6) and a reset spring (7), one end of the damper (6) and the reset spring (7) is fixedly provided with a fixing piece (8), the surface of the fixing piece (8) is provided with a rubber pad (9).
2. A new type of dry suction pipe line for preventing deformation burst in the process of concentrated sulfuric acid production from pyrite-based acid, according to claim 1, characterized in that: The reset spring (7) movably sheaths the surface of the damper (6), the number of the dampers (6) is several, and the opposite side of the rubber pad (9) movably contacts the dry suction pipeline body (1).
3. A new type of dry pipe line for preventing deformation burst in the process of concentrated sulfuric acid production from pyrite-based acid, according to claim 1, characterized in that: The top of the baffle (5) is welded with the mounting block (3) at the top, and the surface of the baffle (5) is movably connected with the inner wall of the mounting block (3) at the bottom.
4. A new type of dry pipe line for preventing deformation burst in the process of concentrated sulfuric acid production from pyrite-based acid, according to claim 1, characterized in that: The surface of the mounting block (3) movably contacts an elastic sheet (10), the surface of the elastic sheet (10) is fixedly connected with a buffer spring (11), one end of the buffer spring (11) is fixedly connected with a fixing seat (12), the inner wall of the fixing seat (12) is provided with a sliding groove (13), the inner wall of the sliding groove (13) is welded with a sliding rod (14), the surface of the sliding rod (14) movably sheaths a sliding block (15), the sliding block (15) and the elastic sheet (10) are movably connected with a connecting rod (16) through a rotating shaft, the connecting rod (16) and the elastic sheet (10) are fixedly connected with a damping spring (17), the surface of the fixing seat (12) is welded with a screw rod (18), the surface of the screw rod (18) is movably sheathed with a limiting plate (19).
5. A new type of dry pipe line for preventing deformation burst in the process of concentrated sulfuric acid production from pyrite-based acid, according to claim 4, characterized in that: The buffer springs (11) are equidistantly arranged, and the screw rod (18) is located on both sides of the fixing seat (12).
6. A new type of dry suction pipe line for preventing deformation burst in the process of concentrated sulfuric acid production from pyrite-based acid plant according to claim 4, characterized in that: One end of the screw rod (18) penetrates through the fixing seat (12) and movably connects with the inner wall of the fixing seat (12), and the limiting plate (19) movably contacts the surface of the fixing seat (12) on one side.