Pipeline filter for flue gas desulfurization and denitrification

By introducing a clamping mechanism, a locking mechanism, and a sealing component into the flue gas desulfurization and denitrification pipeline filter, the problem of cumbersome disassembly of the purification box is solved, enabling rapid disassembly and cleaning of the solution container and improving ease of use and safety.

CN223846625UActive Publication Date: 2026-01-30HEBEI YIKUN ENVIRONMENTAL PROTECTION EQUIPMENT CO LTD
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Patent Information

Application Number
CN202520422535.1
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

The purification boxes of existing flue gas desulfurization and denitrification pipeline filters are prone to accumulating impurities after prolonged use, making disassembly and replacement cumbersome and affecting ease of use.

Method used

Employing a clamping mechanism, locking mechanism, and sealing components, the solution container can be quickly disassembled and installed through structures such as a movable column, clamping column, and positioning push plate. Combined with a supporting cylinder and U-shaped buckle, stability and sealing performance are improved.

Benefits of technology

It enables rapid disassembly and cleaning of the solution container, avoiding cumbersome steps, improving operational convenience and safety, and ensuring the stability and efficiency of flue gas filtration.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pipeline filters, and provides a pipeline filter for flue gas desulfurization and denitrification, which comprises a filter box body, the input end and the output end of the filter box body are respectively communicated with a gas inlet pipe and a gas outlet pipe, and the bottom of the filter box body is provided with a mounting cavity. The air inlet pipe and the air outlet pipe are respectively communicated with the corresponding mounting cavities, a solution container is arranged on the inner wall of each mounting cavity in a sliding manner, and a conveying pipe extending into the solution container is arranged in the filter box body; the bottom of each solution container is fixedly provided with a clamping mechanism and a locking mechanism, the clamping mechanisms are used for disassembling and fixing the solution containers, and the locking mechanisms are arranged at the bottom of each solution container and the bottom of the filter box body. By means of the technical scheme, the problems that in the prior art, the operation of disassembling the container is very tedious, and cleaning and replacement are not facilitated are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline filter technical field, specifically, relate to a pipeline filter for flue gas desulfurization and denitrification. BACKGROUND

[0002] The flue gas generated in industrial sites, factory workshops can discharge a large amount of harmful substances containing sulfur and nitrate, and the untreated sulfur and nitrate directly discharged into the air can cause excessive pollution of the surrounding environment and serious damage to the ecological environment, especially can constitute a threat to the health of the surrounding people, so the flue gas pipeline filter needs to be used for pretreatment before external discharge to reach the standard of flue gas external discharge.

[0003] According to the utility model patent publication No. CN 218530406 U, a pipeline filter for flue gas desulfurization and denitrification is disclosed, in the utility model, the flue gas flows into the purification tank one in the fixed box through the gas pipe, the limestone is used to absorb the sulfide in the flue gas, at the same time, the flue gas flows into the purification tank two through the gas pipe two, the pump and the sodium hydroxide solution in the liquid storage tank are used to absorb the acidic oxide in the flue gas through the atomizing nozzle, and the flue gas treated by desulfurization and denitrification is transported to the next process for treatment.

[0004] The above-mentioned utility model uses the purification tank one and the purification tank two to treat the flue gas, and the inner wall of the purification tank one and the purification tank two will be attached with a large amount of impurities after a long time of use, and the limestone and the sodium hydroxide solution will be diluted after a long time of use, the purification tank one and the purification tank two are fixedly installed in the fixed box, when the purification tank one and the purification tank two and the limestone and the sodium hydroxide solution need to be cleaned and replaced, complex disassembly steps are needed to complete, which makes the disassembly operation of the purification tank one and the purification tank two very cumbersome, and the disassembly and installation process is time-consuming and laborious, so it is difficult to achieve the purpose of quick cleaning and replacement, which makes the use of the pipeline filter very inconvenient and not conducive to better use. UTILITY MODEL CONTENTS

[0005] The utility model provides a pipeline filter for flue gas desulfurization and denitrification, which solves the problem that the container is very cumbersome to disassemble in the prior art, which is not conducive to cleaning and replacement.

[0006] The technical scheme of the utility model is as follows: a pipeline filter for flue gas desulfurization and denitrification, comprising a filter box body, an air inlet pipe and an air outlet pipe are communicated with the input end and the output end of the filter box body respectively, an installation cavity is formed in the bottom of the filter box body, the air inlet pipe and the air outlet pipe are communicated with the corresponding installation cavity respectively, a solution container is slidably arranged on the inner wall of the installation cavity, a conveying pipe extending into the solution container is arranged in the filter box body, and the filter box body further comprises:

[0007] A clamping mechanism is fixedly installed at the bottom of each solution container, and is used for dismounting and fixing the solution container.

[0008] A locking mechanism is arranged at the bottom of each solution container and the filter box, and is used for locking the solution container.

[0009] A sealing assembly is arranged on the inner wall of the mounting cavity, and is used for increasing the sealing between the solution container.

[0010] In order to facilitate stable clamping and ensure the stability of the clamping, preferably, the clamping mechanism comprises:

[0011] A fixed vertical pipe is coaxially installed at the bottom of the solution container, and a U-shaped groove is vertically arranged on the side wall of the fixed vertical pipe.

[0012] A movable vertical column is slidingly arranged on the inner wall of the fixed vertical pipe.

[0013] A clamping column is fixedly installed at the top of the side wall of the movable vertical column, and the clamping column is slidingly arranged in the U-shaped groove.

[0014] A movable circular frame is rotatably installed at the bottom of the outer surface of the movable vertical column.

[0015] A positioning assembly is arranged at the bottom of each solution container, and is used for positioning the solution container.

[0016] In order to better position the solution container and improve the positioning stability, further, the positioning assembly comprises:

[0017] A positioning push plate is slidingly arranged on the lower surface of the solution container along the radial direction of the solution container.

[0018] An adjusting rod is rotatably arranged on one side of each positioning push plate close to the central axis of the solution container, and the other side of the adjusting rod is rotatably connected to the outer side of the movable circular frame.

[0019] A positioning protrusion is fixedly installed on the outer side of each positioning push plate.

[0020] A C-shaped positioning plate is fixedly installed on the lower surface of the filter box, and the positioning protrusion is insertingly arranged in the C-shaped positioning plate.

[0021] In order to ensure the stability of the support and avoid loosening, further, the locking mechanism comprises:

[0022] Supporting cylinders, a lower surface of the solution container is provided with a plurality of supporting cylinders in abutment;

[0023] Stable frame, a lower surface of each of the supporting cylinders is fixedly installed with a stable frame;

[0024] Stable cross column, two stable cross columns are vertically installed on both sides of the stable frame, and the stable cross columns are connected with the bottom of the corresponding supporting cylinder;

[0025] U-shaped buckle, a supporting column is provided on the bottom of the filter box and extends downward, and the top of the supporting column is provided with a U-shaped buckle for locking with the supporting column.

[0026] In order to more stably clamp and fix, and improve the stability of use, as a further scheme of the application, the U-shaped buckle comprises:

[0027] U-shaped clamping plate, the U-shaped clamping plate is slidingly arranged on the top of the outer surface of the supporting column;

[0028] Mounting horizontal plate, a mounting horizontal plate is fixedly installed on both sides of each of the stable cross columns;

[0029] Connecting bolt, the mounting horizontal plate and the U-shaped clamping plate are threadedly connected through a connecting bolt;

[0030] Rubber pad, the rubber pad is fixedly installed on the outer side of the mounting horizontal plate.

[0031] In order to improve the sealing effect of the solution container and the mounting cavity, as a further scheme of the application, the sealing assembly comprises:

[0032] Fixed ring, a fixed ring is fixedly installed above the inner wall of the mounting cavity;

[0033] Sealing ring, a sealing ring is fixedly installed on the bottom of the fixed ring, and the sealing ring is in abutment with the container opening of the solution container.

[0034] The working principle and beneficial effects of the utility model are as follows:

[0035] In the utility model, the clamping column is driven by the moving column to slide up and down along the inner wall of the U-shaped groove to the corresponding position and rotate to complete clamping, so that the related operations such as disassembly and clamping can be quickly completed, the installation and disassembly are more convenient, the solution container can be cleaned and replaced more quickly, the positioning block is inserted into the inside of the C-shaped positioning plate by the positioning push plate to realize the quick positioning of the solution container, the stability of the positioning of the solution container is ensured, and the installation and disassembly operations of the solution container can be quickly completed.

[0036] The utility model discloses a support cylinder and stable frame cooperate to support solution container, guarantee to have better support to solution container, make solution container and install cavity more closely install, be favorable to more stable use, realize locking through connecting bolt passes through U type clamping plate screw insertion to install horizontal plate, make with support stand better locking effect, avoid the situation of slippage, guarantee the stability of support more.

[0037] The utility model discloses a solution container slides up and installs and is closely attached with sealing ring, realizes the sealing of installation cavity, guarantees the sealing effect inside installation cavity, avoids the situation that flue gas leaks, makes the filtration treatment of flue gas more safe, improves the convenience of flue gas filtration.

[0038] Therefore, the pipeline filter for flue gas desulfurization and denitrification can realize the disassembly and cleaning of the solution container without complicated steps, makes the disassembly and installation process more convenient, can complete the disassembly and installation operation of the solution container without consuming more time, is more favorable to quickly complete the cleaning operation of the solution container and more high-qualityly complete the cleaning of the inner wall of the solution container. BRIEF DESCRIPTION OF DRAWINGS

[0039] The utility model will be explained further in detail in combination with the drawings and specific embodiment.

[0040] Figure 1 It is structure schematic drawing of the utility model;

[0041] Figure 2 It is vertical section structure schematic drawing of filter box of the utility model;

[0042] Figure 3 It is structure schematic drawing of clamping mechanism, locking mechanism and sealing assembly of the utility model;

[0043] Figure 4 It is structure exploded schematic drawing of clamping mechanism of the utility model;

[0044] Figure 5 It is structure schematic drawing of locking mechanism and U type buckle of the utility model.

[0045] In the drawing: 100, clamping mechanism;200, locking mechanism;300, positioning assembly;400, U type buckle;500, sealing assembly;

[0046] 1. Filter housing; 2. Outlet pipe; 3. Inlet pipe; 4. Delivery pipe; 5. Solution container; 6. Fixing ring; 7. Sealing ring; 8. Adjusting rod; 9. Moving round frame; 10. Positioning protrusion; 11. U-shaped groove; 12. Locking column; 14. Moving column; 13. Fixed vertical pipe; 15. Positioning push plate; 16. C-shaped positioning plate; 17. Supporting column; 18. Stabilizing frame; 19. Stabilizing horizontal column; 20. U-shaped locking plate; 21. Installation cavity; 22. Supporting column; 23. Installation horizontal plate; 24. Rubber pad; 25. Connecting bolts. Detailed Implementation

[0047] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0048] like Figures 1-5 As shown, this embodiment proposes a pipeline filter for flue gas desulfurization and denitrification, including a filter housing 1. The input and output ends of the filter housing 1 are respectively connected to an inlet pipe 3 and an outlet pipe 2. An installation cavity 21 is provided at the bottom of the filter housing 1. The inlet pipe 3 and the outlet pipe 2 are respectively connected to the corresponding installation cavities 21. A solution container 5 is slidably disposed on the inner wall of the installation cavity 21. A conveying pipe 4 extending into the solution container 5 is disposed inside the filter housing 1. The filter housing 1 also includes:

[0049] Each solution container 5 is fixedly installed at its bottom with a locking mechanism 100 for disassembly and fixation. The locking mechanism 100 includes: a fixed vertical tube 13, a movable column 14, a locking column 12, and a movable circular frame 9. The fixed vertical tube 13 is coaxially installed at the bottom of the solution container 5. A U-shaped groove 11 is vertically formed on the side wall of the fixed vertical tube 13. The movable column 14 is slidably disposed on the inner wall of the fixed vertical tube 13. A handle is fixedly installed on the lower surface of the movable column 14 for easy pulling and adjustment. The locking column 12 is fixedly installed... At the top of the side wall of the movable column 14, the locking column 12 slides in the U-shaped groove 11. The movable column 14 drives the locking column 12 to slide up and down along the inner wall of the U-shaped groove 11 to the corresponding position and rotate to complete the locking. This allows for quick completion of disassembly and locking operations, making installation and disassembly easier. The movable round frame 9 is rotatably installed at the bottom of the outer surface of the movable column 14. The inner wall of the movable round frame 9 is provided with an annular groove, and the bottom of the outer surface of the movable column 14 is provided with an annular protrusion. The annular groove and the annular protrusion rotate relative to each other.

[0050] A positioning component 300 is disposed at the bottom of each solution container 5 for positioning the solution container 5. The positioning component 300 includes: a positioning push plate 15, an adjusting rod 8, a positioning protrusion 10, and a C-shaped positioning plate 16. Multiple positioning push plates 15 are slidably disposed on the lower surface of the solution container 5 along its radial direction. A sliding block is fixedly installed on the upper surface of each positioning push plate 15. A sliding groove corresponding to each sliding block is opened on the lower surface of the solution container 5. An adjusting rod 8 is rotatably disposed on one side of each positioning push plate 15 near the central axis of the solution container 5. The other side of the adjusting rod 8 is rotatably connected to the outer side of the movable circular frame 9. A positioning protrusion 10 is fixedly installed on the outer side of each positioning push plate 15. The C-shaped positioning plate 16 is fixedly installed on the lower surface of the filter box 1. The positioning protrusion 10 can be inserted into the interior of the C-shaped positioning plate 16. The positioning push plate 15 drives the positioning protrusion 10 to insert into the interior of the C-shaped positioning plate 16 to achieve rapid positioning of the solution container 5, which facilitates the quick completion of the installation and disassembly of the solution container 5.

[0051] Each solution container 5 and the bottom of the filter housing 1 are provided with a locking mechanism 200 for locking the solution container 5. The locking mechanism 200 includes: a support cylinder 17, a stabilizing frame 18, and a stabilizing crossbar 19. Multiple support cylinders 17 are abutted on the lower surface of the solution container 5. A stabilizing frame 18 is fixedly installed on the lower surface of each support cylinder 17. The multiple support cylinders 17 and the stabilizing frame 18 cooperate to support the solution container 5, ensuring better support for the solution container 5 and facilitating more stable use. Two stabilizing crossbars 19 are vertically installed on both sides of the stabilizing frame 18, and the stabilizing crossbars 19 are connected to the bottom of the corresponding support cylinder 17.

[0052] A support column 22 extends downward from the bottom of the filter housing 1. A U-shaped buckle 400 is located at the top of the support column 22 for locking with it. The U-shaped buckle 400 includes a U-shaped locking plate 20, a mounting plate 23, a connecting bolt 25, and a rubber pad 24. The U-shaped locking plate 20 is slidably mounted on the top of the outer surface of the support column 22. Arc-shaped grooves are formed at the top and bottom of the outer wall of the support column 22. Arc-shaped protrusions are fixedly installed on the inner wall of the U-shaped locking plate 20. The arc-shaped grooves and arc-shaped protrusions... To match, each stabilizing horizontal column 19 has a mounting plate 23 fixedly installed on both sides. The mounting plate 23 and the U-shaped clamping plate 20 are connected by connecting bolts 25. The connecting bolts 25 are inserted into the mounting plate 23 through the U-shaped clamping plate 20 to achieve locking, which makes the locking effect with the support column 22 better and ensures the stability of the support. The rubber pad 24 is fixedly installed on the outer side of the mounting plate 23. The outer side of the rubber pad 24 is designed to be non-slip, which can increase the friction when in contact with the outer wall of the support column 22.

[0053] The inner wall of the mounting cavity 21 is provided with a sealing assembly 500 for increasing the sealing between the solution container 5, which comprises a fixed ring 6 and a sealing ring 7. The fixed ring 6 is fixedly installed above the inner wall of the mounting cavity 21. The bottom of the fixed ring 6 is provided with a sealing groove which is matched with the container port of the top of the solution container 5. The bottom of the fixed ring 6 is fixedly installed with the sealing ring 7 which abuts against the container port of the solution container 5. After the solution container 5 is installed by being upwardly slid, the solution container 5 is tightly fitted with the sealing ring 7, thereby realizing the sealing of the mounting cavity 21 and avoiding the leakage of smoke.

[0054] In this embodiment, the flue gas is delivered into the air inlet pipe 3 by the external device, and then delivered into the right solution container 5 through the air inlet pipe 3, and then the flue gas is desulfurized and denitrated by the limestone in the right solution container 5, and then the treated flue gas enters into the conveying pipe 4, and then enters into the left solution container 5 through the conveying pipe 4, and then the flue gas is further desulfurized and denitrated by the sodium hydroxide solution in the left solution container 5, and then the treated flue gas enters into the air outlet pipe 2, and then is delivered into the next process through the air outlet pipe 2 for treatment, when the solution container 5 needs to be cleaned and replaced during long-term use, the delivery of the flue gas by the external device is stopped, the holding handle is controlled to drive the moving column 14 and the clamping column 12 to slide downwards along the inner wall of the U-shaped groove 11, the moving column 14 drives the moving round frame 9 to move downwards, the moving round frame 9 drives the adjusting rod 8 to move towards the inner side, the adjusting rod 8 drives the positioning push plate 15 to slide inwards along the lower surface of the solution container 5, the positioning push plate 15 drives the positioning protrusion 10 to be extracted from the inside of the C-shaped positioning plate 16, then the connecting bolt 25 is operated to be screwed out of the mounting plate 23, so that the U-shaped clamping plate 20 is released from the fixing of the supporting column 22, and at the same time, the operator holds the stable frame 18 to drive the solution container 5 to move downwards to the bottom, then the operator can take down the solution container 5 for cleaning and replacement, the replaced solution container 5 is placed on the supporting column 17 again, the operator holds the stable frame 18 and the supporting column 17 to drive the solution container 5 to move upwards and be inserted into the mounting cavity 21, the operator controls the holding handle to drive the moving column 14 and the clamping column 12 to slide upwards along the inner wall of the U-shaped groove 11 and to be locked at the same time, and the moving column 14 drives the moving round frame 9 to move upwards, the moving round frame 9 drives the adjusting rod 8 to expand outwards, the adjusting rod 8 drives the positioning push plate 15 to slide outwards along the lower surface of the solution container 5, so that the positioning push plate 15 drives the positioning protrusion 10 to be inserted into the C-shaped positioning plate 16 to position the solution container 5, then the U-shaped clamping plate 20 is controlled to be sleeved on the top of the supporting column 22, the connecting bolt 25 is screwed through the U-shaped clamping plate 20 and inserted into the mounting plate 23 to be locked, so that the stable frame 18 and the supporting column 17 can stably support the solution container 5, at the same time, the container opening of the solution container 5 is sealed with the sealing ring 7, and then the delivery of the flue gas by the external device can be started.

[0055] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A pipeline filter for flue gas desulfurization and denitrification, comprising a filter box (1), an air inlet pipe (3) and an air outlet pipe (2) are communicated with the input end and the output end of the filter box (1) respectively, an installation cavity (21) is arranged at the bottom of the filter box (1), the air inlet pipe (3) and the air outlet pipe (2) are communicated with the corresponding installation cavity (21) respectively, a solution container (5) is slidably arranged on the inner wall of the installation cavity (21), a conveying pipe (4) is arranged in the filter box (1) and extends into the solution container (5), characterized in that, Also include: The card solid mechanism (100) is fixedly installed at the bottom of each solution container (5), which is used for dismounting and fixing the solution container (5); The locking mechanism (200) is arranged at the bottom of each solution container (5) and the bottom of the filter box (1), which is used for locking the solution container (5); The sealing assembly (500) is arranged on the inner wall of the mounting cavity (21), which is used for increasing the sealing between the solution container (5).

2. The duct filter for flue gas desulfurization and denitrification according to claim 1, characterized by, The card solid mechanism (100) comprises: The fixed vertical pipe (13) is coaxially installed at the bottom of the solution container (5), and a U-shaped groove (11) is vertically arranged on the side wall of the fixed vertical pipe (13); The moving vertical column (14) is slidingly arranged on the inner wall of the fixed vertical pipe (13); The card solid column (12) is fixedly installed at the top of the side wall of the moving vertical column (14), and the card solid column (12) is slidingly arranged in the U-shaped groove (11); The moving round frame (9) is rotatably installed at the bottom of the outer surface of the moving vertical column (14); The positioning assembly (300) is arranged at the bottom of each solution container (5), which is used for positioning the solution container (5).

3. The duct filter for flue gas desulfurization and denitrification according to claim 2, characterized by The positioning assembly (300) comprises: The positioning push plate (15) is slidingly arranged on the lower surface of the solution container (5) along the radial direction thereof; The adjusting rod (8) is rotatably arranged on one side of each positioning push plate (15) close to the central axis of the solution container (5), and the other side of the adjusting rod (8) is rotatably connected to the outer side of the moving round frame (9); The positioning protrusion (10) is fixedly installed on the outer side of each positioning push plate (15); The C-shaped positioning plate (16) is fixedly installed on the lower surface of the filter box (1), and the positioning protrusion (10) is insertingly arranged in the C-shaped positioning plate (16).

4. The duct filter for flue gas desulfurization and denitrification according to claim 1, characterized by The locking mechanism (200) comprises: The supporting cylinder (17) is abuttingly arranged on the lower surface of the solution container (5); The stable frame (18) is fixedly installed on the lower surface of each supporting cylinder (17); The stable horizontal column (19) is vertically installed on both sides of the stable frame (18), and the stable horizontal column (19) is connected to the bottom of the corresponding supporting cylinder (17); The U-shaped buckle (400) is arranged on the top of the supporting vertical column (22) arranged downwardly on the bottom of the filter box (1), which is used for locking the supporting vertical column (22).

5. A duct filter for flue gas desulfurization and denitrification according to claim 4, characterized by The U-shaped buckle (400) comprises: A U-shaped clamping plate (20) is slidingly arranged on the top of the outer surface of the support column (22); A mounting horizontal plate (23) is fixedly arranged on the two sides of each stable horizontal column (19); A connecting bolt (25) is used to threadedly connect the mounting horizontal plate (23) and the U-shaped clamping plate (20); A rubber pad (24) is fixedly arranged on the outer side of the mounting horizontal plate (23).

6. The duct filter for flue gas desulfurization and denitrification according to claim 1, characterized by The sealing assembly (500) comprises: A fixing ring (6) is fixedly arranged on the upper part of the inner wall of the mounting cavity (21); A sealing ring (7) is fixedly arranged on the bottom of the fixing ring (6), and the sealing ring (7) abuts against the container opening of the solution container (5).

Citation Information

Patent Citations

  • Pipeline filter for flue gas desulfurization and denitrification

    CN218530406U