Concentrated sulfuric acid purification device for sulfuric acid production

By designing the mounting sleeve, filter cartridge, cleaning structure, and adjustable mounting structure, the problems of impurity discharge and height adjustment in existing sulfuric acid purification devices are solved, achieving efficient impurity discharge and flexible applicability, and simplifying operation.

CN223846355UActive Publication Date: 2026-01-30PANZHIHUA RONGCHANG CHEM CO LTD
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Patent Information

Application Number
CN202520424515.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-01-30
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

Existing sulfuric acid purification devices are inconvenient to discharge impurities from the filter screen and are difficult to adjust in height, resulting in inconvenience in use and poor applicability.

Method used

The design includes an installation sleeve, filter cartridge, cleaning structure, impurity discharge pipe, and solenoid valve to achieve automatic discharge of impurities. The height of the purification device can be flexibly adjusted through the adjustable installation structure.

Benefits of technology

It achieves efficient discharge of impurities and highly flexible adjustment of the purification device, improves ease of operation and applicability, reduces device size, and minimizes floor space required.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a concentrated sulfuric acid purification device for sulfuric acid production, which belongs to the technical field of sulfuric acid purification and comprises a mounting sleeve, a liquid inlet pipe is fixedly connected onto the side wall of the mounting sleeve, a mounting ring is fixedly connected onto the inner top wall of the mounting sleeve, and a liquid outlet pipe is fixedly connected onto the mounting ring. The outer end of the liquid outlet pipe penetrates through the mounting sleeve and extends to the outside, a filter cylinder is in threaded connection with the interior of the mounting ring, and the mounting sleeve is detachably connected with a purification cylinder through a bolt assembly. Through the arrangement of the mounting sleeve, the mounting ring, the filter cartridge, the cleaning structure, the impurity discharge pipe and the electromagnetic valve, the filter cartridge filters impurities in concentrated sulfuric acid and purifies the concentrated sulfuric acid, the cleaning structure cleans the impurities outside the filter cartridge, the impurities fall to the bottom of the filter cartridge and then are discharged outwards through the impurity discharge pipe, the impurities are conveniently discharged outwards, and the service life of the concentrated sulfuric acid is prolonged. The device is small in size and convenient to use, and the problem that impurities in purification and filtration are inconvenient to discharge outwards in the prior art is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sulfuric acid purification, specifically to a concentrated sulfuric acid purification device for sulfuric acid production. BACKGROUND

[0002] Sulfuric acid is a most active binary inorganic strong acid, can react with many metals, high concentration sulfuric acid has strong water absorption, can be used as a dehydrating agent, carbonized wood, paper, cotton and linen fabrics and biological meat containing carbohydrate substances, concentrated sulfuric acid needs to be filtered and removed by a purification device in the production process.

[0003] Through the search, in the prior art, the patent application number for CN202323388694.4 discloses a concentrated sulfuric acid purification device for sulfuric acid production, including purification box, the front and rear inner side wall of purification box is fixedly connected with filter screen, the left side surface of filter screen is placed with collecting frame, the inner top wall and inner bottom wall of purification box are rotatably connected with two symmetrical screw rods through bearing, the collecting frame is screw connected with two screw rods, the right side surface of filter screen is fixedly connected with multiple fixed plates. The concentrated sulfuric acid purification device for sulfuric acid production can scrape and collect impurities on the surface of filter screen during upward movement through the setting collecting frame, which facilitates users to concentrate the impurities for processing, improves the convenience of users, and the setting extrusion fan blade can continuously knock the filter screen during rotation, which achieves the effect of vibrating the filter screen, effectively avoids the blockage of filter screen, and improves the purification efficiency, but still has the following defects:

[0004] (1) The purification device in the prior art can clean the filter screen, but it is inconvenient to discharge the cleaned impurities outward, and the existing purification device is large in size and occupies more space, which is inconvenient to use.

[0005] (2) The height of the purification device in the prior art is constant, and it is inconvenient to flexibly adjust the height according to the actual situation, and the applicability is poor.

[0006] Therefore, we improve it and propose a concentrated sulfuric acid purification device for sulfuric acid production. UTILITY MODEL CONTENT

[0007] The utility model aims at the problems of inconvenience to discharge the impurities on the filter screen outward during the purification process and inconvenience to adjust the height.

[0008] In order to realize the above-mentioned utility model purposes, the utility model provides the following technical scheme:

[0009] The concentrated sulfuric acid purification device for sulfuric acid production is used to improve the above-mentioned problems.

[0010] The utility model discloses a specific as follows:

[0011] Including the mounting bush, the lateral wall of mounting bush is fixedly connected with the liquid inlet pipe, the inner top wall of mounting bush is fixedly connected with the mounting ring, the mounting ring is fixedly connected with the liquid outlet pipe, and the outer end of liquid outlet pipe penetrates mounting bush and extends to outside, the mounting ring is threadedly connected with filter cartridge, and the mounting bush is detachably connected with the purification cylinder through bolt assembly, the purification cylinder is equipped with the cleaning structure for cleaning filter cartridge, the bottom of purification cylinder is fixedly connected with the impurity discharge pipe, and the bottom end of impurity discharge pipe is equipped with the electromagnetic valve, and the mounting bush is equipped with adjustable mounting structure.

[0012] As the utility model preferred technical scheme, the cleaning structure includes the motor fixed at the bottom end of the purification cylinder, the drive end of motor penetrates the bottom wall of the purification cylinder and is fixedly connected with the connecting shaft, the top end of connecting shaft is fixedly connected with the mounting head, the mounting head is equipped with the support, the two inner side walls of support are all fixedly connected with the scraper, and the first nut is threadedly connected on the mounting head.

[0013] As the utility model preferred technical scheme, the adjustable mounting structure includes four fixed ears that are uniformly fixed on the mounting bush, and the assembly head is arranged in the four fixed ears, the second nut is threadedly connected on the assembly head, the vertical pipe is fixedly connected to the bottom end of assembly head, the adjusting pipe is arranged in the vertical pipe, the vertical pipe is connected with the adjusting pipe through the locking bolt, and the bottom ring is fixedly connected to the bottom end of adjusting pipe.

[0014] As the utility model preferred technical scheme, a group of through holes matched with the locking bolt are uniformly arranged on the adjusting pipe, and a group of mounting holes are uniformly arranged on the bottom ring.

[0015] As the utility model preferred technical scheme, the front side wall of the purification cylinder is provided with the observation port, and the steel glass is sealingly and fixedly connected in the observation port.

[0016] As the utility model preferred technical scheme, the top of filter cartridge is provided with the external thread, and the internal thread is arranged in the mounting ring.

[0017] Compared with the prior art, the utility model has the advantages of:

[0018] In the scheme of the utility model:

[0019] 1. Through the installation sleeve, the installation ring, the filter cartridge, the cleaning structure, the impurity discharge pipe and the electromagnetic valve, the filter cartridge filters the impurities in the concentrated sulfuric acid, the concentrated sulfuric acid is purified, the impurities outside the filter cartridge are cleaned by the cleaning structure and fall to the bottom of the filter cartridge and then are discharged outward through the impurity discharge pipe, the impurities are conveniently discharged outward, the device has a small size and is convenient to use, and the problem that the impurities in the purification and filtration are inconvenient to discharge outward in the prior art is solved.

[0020] 2. Through the adjustable installation structure, the height of the purification device can be flexibly adjusted according to actual use requirements, different purification requirements are conveniently adapted, operation is simple, applicability is high, and the problem that the height of the purification device is inconvenient to flexibly adjust in the prior art is solved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 An overall structure schematic view is provided for the utility model.

[0022] Figure 2 An internal structure schematic view is provided for the utility model.

[0023] Figure 3 A filter cartridge and installation ring separation structure schematic view is provided for the utility model.

[0024] Figure 4 A cleaning structure schematic view is provided for the utility model.

[0025] Figure 5 An adjustable installation structure schematic view is provided for the utility model.

[0026] Figure 6 A front view structure schematic view is provided for the utility model.

[0027] Indications in the drawing are as follows:

[0028] 1, installation sleeve; 2, liquid inlet pipe; 3, installation ring; 4, liquid outlet pipe; 5, filter cartridge; 6, purification cylinder; 7, cleaning structure; 701, motor; 702, connecting shaft; 703, installation head; 704, support; 705, scraper; 706, first nut; 8, impurity discharge pipe; 9, electromagnetic valve; 10, adjustable installation structure; 1001, fixed lug; 1002, assembly head; 1003, second nut; 1003, second nut; 1004, vertical pipe; 1005, adjusting pipe; 1006, locking bolt; 1007, bottom ring; 1008, through hole; 1009, mounting hole; 11, tempered glass. DETAILED DESCRIPTION

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model.

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, this embodiment proposes a concentrated sulfuric acid purification device for sulfuric acid production, including a mounting sleeve 1. An inlet pipe 2 is fixedly connected to the side wall of the mounting sleeve 1. A mounting ring 3 is fixedly connected to the inner top wall of the mounting sleeve 1. An outlet pipe 4 is fixedly connected to the mounting ring 3. The outer end of the outlet pipe 4 penetrates the mounting sleeve 1 and extends to the outside. A filter cartridge 5 is internally threaded to the mounting ring 3. A purification cylinder 6 is detachably connected to the mounting sleeve 1 via a bolt assembly. The purification cylinder 6 is equipped with a cleaning structure 7 for cleaning the filter cartridge 5. A waste discharge pipe 8 is fixedly connected to the bottom of the purification cylinder 6. A solenoid valve 9 is installed at the bottom end of the waste discharge pipe 8. An adjustable mounting structure 10 is provided on the mounting sleeve 1. Concentrated sulfuric acid enters the mounting sleeve 1 through the inlet pipe 2. The filtered sulfuric acid then flows into filter cartridge 5 for initial filtration and purification. The concentrated sulfuric acid filtered by filter cartridge 5 is discharged through outlet pipe 4. When a certain amount of impurities accumulate in purification cartridge 6, the solenoid valve 9 is opened, and the impurities can be discharged through discharge pipe 8, facilitating the discharge of impurities. Filter cartridge 5 isolates the filtered impurities to the outside. The impurities fall through the gap between filter cartridge 5 and purification cartridge 6 and settle at the bottom of purification cartridge 6. Compared with existing technologies, it is easier to discharge the filtered impurities, the operation is simpler and more convenient, and the efficiency of transferring impurities is more efficient. At the same time, it is also convenient to disassemble, assemble, maintain and replace various components. Compared with existing technologies, it also has the advantages of smaller size, reduced footprint, and convenient use.

[0031] like Figure 1 , Figure 2 and Figure 4As shown, as a preferred embodiment, on the basis of the above-mentioned mode, further, the cleaning structure 7 comprises a motor 701 fixed at the bottom end of the purification cylinder 6, the driving end of the motor 701 penetrates the bottom wall of the purification cylinder 6 and is fixedly connected with a connecting shaft 702, the top end of the connecting shaft 702 is fixedly connected with a mounting head 703, a bracket 704 is clamped on the mounting head 703, the two inner side walls of the bracket 704 are fixedly connected with scrapers 705, and the mounting head 703 is threadedly connected with a first nut 706; the connecting shaft 702 is driven to rotate by the motor 701, the scraper 705 on the mounting head 703 and the bracket 704 are driven to rotate, the scraper 705 removes impurities and deposits attached to the outer wall of the filter cylinder 5, ensures the continuous and efficient filtering capacity of the filter cylinder 5, has the effect of continuous cleaning compared with the prior art, can more effectively clean the filter cylinder 5, the prior art can only clean upward once, avoids the phenomenon that cleaning is not thorough, and the mounting head 703 and the first nut 706 also facilitate replacement of the scraper 705, facilitating subsequent use.

[0032] As shown in Figure 1 and Figure 5 As a preferred embodiment, on the basis of the above-mentioned mode, further, the adjustable mounting structure 10 comprises four fixed ears 1001 uniformly fixed on the mounting sleeve 1, assembly heads 1002 are arranged in the four fixed ears 1001, second nuts 1003 are threadedly connected to the assembly heads 1002, vertical pipes 1004 are fixedly connected to the bottom ends of the assembly heads 1002, adjusting pipes 1005 are arranged in the vertical pipes 1004, the vertical pipes 1004 are connected with the adjusting pipes 1005 through locking bolts 1006, and bottom rings 1007 are fixedly connected to the bottom ends of the adjusting pipes 1005; the height of the purification device can be flexibly adjusted by changing the extension length of the adjusting pipe 1005, different docking conditions are facilitated to be coped with, assembly is facilitated through the assembly head 1002 and the second nut 1003, the height of the purification device can be flexibly adjusted, different devices are facilitated to be docked, and higher flexibility and applicability are achieved compared with the prior art.

[0033] As shown in Figure 1 and Figure 5 As a preferred embodiment, on the basis of the above-mentioned mode, further, a plurality of through holes 1008 matched with the locking bolts 1006 are uniformly arranged on the adjusting pipe 1005, and a plurality of mounting holes 1009 are uniformly arranged on the bottom ring 1007; the locking bolt 1006 is facilitated to be inserted through the through hole 1008, so that the extension length of the adjusting pipe 1005 is facilitated to be adjusted, and the bottom ring 1007 is facilitated to be fixed through the mounting hole 1009, so that assembly can be flexibly performed, and the practicability is higher.

[0034] As shown in Figure 1 and Figure 6As shown, in a preferred embodiment, based on the above method, an observation port is further provided on the front side wall of the purification cylinder 6, and a tempered glass 11 is sealed and fixedly connected inside the observation port; this allows the operator to directly observe the working conditions inside the purification cylinder 6, including the flow state of concentrated sulfuric acid, the cleanliness of the filter cartridge 5, etc., so as to promptly detect and deal with problems, and ensure the safe and stable operation of the purification device.

[0035] like Figure 2 and Figure 3 As shown, in a preferred embodiment, based on the above method, the top of the filter cartridge 5 is provided with an external thread, and the mounting ring 3 is provided with an internal thread; this facilitates the assembly of the filter cartridge 5 and the mounting ring 3, and also ensures the sealing between the filter cartridge 5 and the mounting ring 3 to prevent concentrated sulfuric acid leakage.

[0036] Specifically, when using the concentrated sulfuric acid purification device for sulfuric acid production: First, unscrew the locking bolt 1006, then pull out the adjusting pipe 1005 to a suitable length and lock it with the vertical pipe 1004 using the locking bolt 1006. Concentrated sulfuric acid enters the mounting sleeve 1 through the inlet pipe 2, and then flows into the filter cartridge 5 for preliminary filtration and purification. The concentrated sulfuric acid filtered by the filter cartridge 5 is discharged through the outlet pipe 4. When cleaning the filter cartridge 5 is required, the motor 701 drives the connecting shaft 702 to rotate, which in turn rotates the scraper 705 on the mounting head 703 and the bracket 704. The scraper 705 scrapes the outer wall of the filter cartridge 5, causing impurities and deposits on the outer wall of the filter cartridge 5 to fall to the bottom of the purification cylinder 6. Through the tempered glass 11, the operator can directly observe the accumulation of impurities inside the purification cylinder 6. When a large amount of impurities accumulate, the solenoid valve 9 is opened, and the impurities can be discharged through the discharge pipe 8, making impurity removal more convenient.

[0037] All technical features in this embodiment can be freely combined according to actual needs.

[0038] The above embodiments are preferred implementations of this utility model. In addition, this utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of this technical solution are within the protection scope of this utility model.

Claims

1. A concentrated sulfuric acid purification device for sulfuric acid production, comprising a mounting sleeve (1), characterized in that, The side wall of the mounting sleeve (1) is fixedly connected with a liquid inlet pipe (2), the inner top wall of the mounting sleeve (1) is fixedly connected with a mounting ring (3), the mounting ring (3) is fixedly connected with a liquid outlet pipe (4), the outer end of the liquid outlet pipe (4) penetrates through the mounting sleeve (1) and extends to the outside, the mounting ring (3) is threadedly connected with a filter cartridge (5), and the mounting sleeve (1) is detachably connected with a purification cartridge (6) through a bolt assembly.

2. A concentrated sulfuric acid purification device for sulfuric acid production according to claim 1, characterized in that, The cleaning structure (7) comprises a motor (701) fixed at the bottom end of the purification cartridge (6), the driving end of the motor (701) penetrates through the bottom wall of the purification cartridge (6) and is fixedly connected with a connecting shaft (702), the top end of the connecting shaft (702) is fixedly connected with a mounting head (703), the mounting head (703) is clamped with a support (704), the two inner side walls of the support (704) are fixedly connected with scrapers (705), and the mounting head (703) is threadedly connected with a first nut (706).

3. A concentrated sulfuric acid purification device for sulfuric acid production according to claim 1, characterized in that, The adjustable mounting structure (10) comprises four fixed ears (1001) fixedly arranged on the mounting sleeve (1), four assembly heads (1002) are arranged in the fixed ears (1001), second nuts (1003) are threadedly connected to the assembly heads (1002), vertical pipes (1004) are fixedly connected to the bottom ends of the assembly heads (1002), adjusting pipes (1005) are arranged in the vertical pipes (1004), the vertical pipes (1004) are connected with the adjusting pipes (1005) through locking bolts (1006), and bottom rings (1007) are fixedly connected to the bottom ends of the adjusting pipes (1005).

4. A concentrated sulfuric acid purification device for sulfuric acid production according to claim 3, characterized in that, A plurality of through holes (1008) matched with the locking bolts (1006) are uniformly arranged on the adjusting pipes (1005), and a plurality of mounting holes (1009) are uniformly arranged on the bottom rings (1007).

5. A concentrated sulfuric acid purification device for sulfuric acid production according to claim 1, characterized in that, An observation hole is arranged on the front side wall of the purification cartridge (6), and a tempered glass (11) is sealingly and fixedly connected in the observation hole.

6. A concentrated sulfuric acid purification device for sulfuric acid production according to claim 1, characterized in that, An outer thread is arranged on the top of the filter cartridge (5), and an inner thread is arranged in the mounting ring (3).

Citation Information

Patent Citations

  • Concentrated sulfuric acid purification device for sulfuric acid production

    CN221385391U