High efficiency impingement spark trap

Abstract

The utility model discloses a kind of high-efficiency impact spark arrestors, the spark arrestor aims at solving the technical problem that under prior art, airflow cannot be guided to form effective impact, part small, fast speed's spark is easy to bypass interception structure and enter dust remover, and the collection efficiency is low. Including dust remover shell and flow guide shell, the flow guide shell is fixedly connected in dust remover shell one side, first flow guide plate and second flow guide plate are fixedly connected in the inner wall of flow guide shell, the first flow guide plate is Z-shaped, the area between the first flow guide plate and second flow guide plate is flow guide passage, the first impurity discharge passage between the second flow guide plate bottom and flow guide shell inner wall, the sidewall of flow guide shell is fixedly connected with air inlet pipe, compared with traditional single interception structure, the utility model significantly improves spark collection efficiency, avoids spark into dust remover interior from source and ignites filter material, greatly reduces fire, explosion accident risk.

Description

Technical Field

[0001] This utility model belongs to the field of spark arrester technology, specifically relating to a high-efficiency impact spark arrester. Background Technology

[0002] In industrial production sectors such as machining, chemical processing, and metallurgy, dry dust collectors are crucial equipment for controlling dust emissions and ensuring a clean production environment. However, during the production processes in these industries, dust-laden airflows are often accompanied by sparks (such as sparks from metal cutting or incomplete fuel combustion). If these sparks directly enter the interior of the dry dust collector, they can easily ignite the filter media (such as filter bags or cartridges), causing fires or even explosions, seriously threatening equipment safety and production stability.

[0003] Traditional dry dust collection systems typically employ simple spark traps at the air inlet, commonly including grid-type interceptors or single baffles. However, these devices have significant drawbacks: grid-type interceptors or single baffles only provide initial blocking of sparks and cannot guide the airflow to form an effective impact. Some small, high-velocity sparks can easily bypass the interception structure and enter the dust collector, resulting in low collection efficiency. Furthermore, they lack dedicated collection paths for particulate matter and dust in the airflow. After a spark impacts the interception structure, the particles and dust it carries can easily accumulate inside the collection device. This not only blocks the airflow channel, affecting the overall airflow and negative pressure stability of the dust collection system, but also increases the risk of secondary combustion and explosion due to the contact between accumulated dust and residual sparks.

[0004] Therefore, a high-efficiency impact spark arrester was designed to overcome the aforementioned technical defects. Utility Model Content

[0005] (1) Technical problems to be solved

[0006] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a high-efficiency impact spark arrester. This spark arrester aims to solve the technical problems of the existing technology, which cannot guide the airflow to form an effective impact, and some small and fast sparks can easily bypass the interception structure and enter the dust collector, resulting in low collection efficiency.

[0007] (2) Technical solution

[0008] To address the aforementioned technical problems, this utility model provides a high-efficiency impact spark arrester, comprising a dust collector housing and a flow guide housing. The flow guide housing is fixedly connected to one side of the dust collector housing. A first flow guide plate and a second flow guide plate are fixedly connected to the inner wall of the flow guide housing. The first flow guide plate is Z-shaped, and the area between the first and second flow guide plates forms a flow guide channel. The area between the bottom of the second flow guide plate and the inner wall of the flow guide housing forms a first impurity discharge channel. An air inlet pipe is fixedly connected to the side wall of the flow guide housing. A sealing component is provided at the air inlet pipe in the inner cavity of the flow guide housing. An air outlet pipe is fixedly connected to the top of the dust collector housing. A filter element body is provided in the inner cavity of the dust collector housing. An impurity guiding component is provided below the filter element body in the inner cavity of the dust collector housing. A collection component is provided at the bottom of the inner cavity of the dust collector housing.

[0009] Furthermore, the sealing assembly includes an installation pipe fixedly connected to the inner wall of the guide shell at the air inlet pipe. A baffle is provided on the inner wall of the installation pipe. A rotating shaft is fixedly connected to the side wall of the baffle near the end face. The other end of the rotating shaft is rotatably connected to the installation pipe. A torsion spring is assembled on the side wall of the rotating shaft.

[0010] Furthermore, the impurity guiding component includes an inclined plate fixedly connected to the second guide plate below the filter element body. A first arc-shaped plate is fixedly connected to the bottom surface of the inclined plate on one side of the first impurity discharge channel. A second arc-shaped plate is fixedly connected to the inner wall of the left side of the dust collector housing below the filter element body. The area between the second arc-shaped plate and the inclined plate is the second impurity discharge channel.

[0011] Furthermore, the collection assembly includes a through groove formed on the front side wall of the dust collector housing near the bottom surface, a collection box slidably connected in the through groove, a pull rod installed on the side wall of the collection box, and a filter assembly disposed inside the collection box.

[0012] Furthermore, the filter assembly includes a support plate fixedly connected to the inner wall of the collection box, and a filter plate is disposed above the support plate.

[0013] Furthermore, two handles are fixedly connected to the top surface of the filter plate.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] This invention, through the design of a dust collector shell, a guide shell, a first guide plate, and a second guide plate, guides the airflow containing sparks in an S-shape by setting a guide shell on the air inlet side of the dry dust collector and arranging the first and second guide plates inside the shell. This extends the residence time of the airflow within the guide shell and forces the sparks to collide with the first and second guide plates multiple times during the flow, effectively consuming the kinetic energy of the sparks and rendering them unable to ignite. Compared with traditional single interception structures, this significantly improves the spark capture efficiency, preventing sparks from entering the dust collector and igniting the filter material at the source, greatly reducing the risk of fire and explosion accidents, and ensuring the safe operation of the dust removal system. Attached Figure Description

[0017] Figure 1 This is a perspective view of the present utility model;

[0018] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0019] Figure 3 This is a cross-sectional front view of the present invention;

[0020] Figure 4 This is a schematic diagram of the structure of the filter assembly of this utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the baffle of this utility model.

[0022] The labels in the attached diagram are as follows: 1. Dust collector housing; 2. Guide shell; 3. Inlet pipe; 4. Handle; 5. Outlet pipe; 6. Filter element body; 7. First guide plate; 8. Second guide plate; 9. Mounting pipe; 10. Baffle; 11. Rotating shaft; 12. Torsion spring; 13. Inclined plate; 14. First arc-shaped plate; 15. Second arc-shaped plate; 16. Collection box; 17. Support plate; 18. Filter plate. Detailed Implementation

[0023] This specific embodiment is a high-efficiency impact spark arrester, the structural schematic diagram of which is shown below. Figures 1-5 As shown, the dust collector includes a dust collector housing 1 and a flow guide shell 2. The flow guide shell 2 is fixedly connected to one side of the dust collector housing 1. A first flow guide plate 7 and a second flow guide plate 8 are fixedly connected to the inner wall of the flow guide shell 2. The first flow guide plate 7 is Z-shaped. The area between the first flow guide plate 7 and the second flow guide plate 8 is a flow guide channel. The area between the bottom of the second flow guide plate 8 and the inner wall of the flow guide shell 2 is a first impurity discharge channel. An air inlet pipe 3 is fixedly connected to the side wall of the flow guide shell 2. A sealing component is provided in the inner cavity of the flow guide shell 2 at the air inlet pipe 3. An air outlet pipe 5 is fixedly connected to the top of the dust collector housing 1. A filter element body 6 is provided in the inner cavity of the dust collector housing 1. An impurity guiding component is provided in the inner cavity of the dust collector housing 1 below the filter element body 6. A collection component is provided at the bottom of the inner cavity of the dust collector housing 1.

[0024] like Figure 3 and Figure 5 As shown, the sealing assembly includes an installation pipe 9 fixedly connected to the inner wall of the guide shell 2 at the air inlet pipe 3. A baffle 10 is provided on the inner wall of the installation pipe 9. A rotating shaft 11 is fixedly connected to the side wall of the baffle 10 near the end face. The other end of the rotating shaft 11 is rotatably connected to the installation pipe 9. A torsion spring 12 is assembled on the side wall of the rotating shaft 11.

[0025] The baffle 10 and the torsion spring 12 form a one-way valve structure. When air is introduced, the baffle 10 is pushed open by the impact force of the airflow. When the airflow disappears, the baffle 10 is pushed back to its original position by the force of the torsion spring 12, thus sealing the air inlet pipe 3 and preventing dust from flowing back into the guide shell 2.

[0026] like Figure 2 and Figure 3 As shown, the impurity guiding assembly includes an inclined plate 13 fixedly connected to the second guide plate 8 below the filter element body 6. A first arc plate 14 is fixedly connected to the bottom surface of the inclined plate 13 on one side of the first impurity discharge channel. A second arc plate 15 is fixedly connected to the inner wall of the left side of the dust collector housing 1 below the filter element body 6. The area between the second arc plate 15 and the inclined plate 13 is the second impurity discharge channel.

[0027] Specifically, when a portion of the airflow enters the collection box 16 through the first impurity discharge channel, the first arc plate 14 can block the airflow, reducing the amount of airflow entering and preventing the airflow from disturbing the impurities in the collection box 16. Secondly, the second arc plate 15 can guide the airflow entering the filter body 6, preventing the airflow from entering the collection box 16 through the second impurity discharge channel, effectively improving the stability of impurity collection.

[0028] like Figure 2 and Figure 4 As shown, the collection assembly includes a through groove opened on the front side wall of the dust collector housing 1 near the bottom surface, a collection box 16 is slidably connected in the through groove, a pull rod is installed on the side wall of the collection box 16, and a filter assembly is provided inside the collection box 16.

[0029] The filter assembly includes a support plate 17 fixedly connected to the inner wall of the collection box 16, and a filter plate 18 disposed above the support plate 17. Two handles 4 are fixedly connected to the top surface of the filter plate 18.

[0030] The dust generated by the filter inside the dust collector housing 1 can enter the collection box 16 through the independent inclined plate 13. This not only avoids the accumulation of impurities that block the airflow channel and ensures the stability of the air volume and negative pressure of the dust removal system, but also reduces the difficulty of subsequent dust classification and treatment and improves the overall processing efficiency.

[0031] Secondly, the filter plate 18 can separate larger particles, allowing fine dust to be collected on the lower side of the collection box 16 and large particles to be collected on the upper side of the filter plate 18. When the capacity of the collection box 16 reaches its limit, the collection box 16 can be pulled out of the dust collector housing 1 by the pull rod, and impurities of different sizes can be separated by the handle 4, which is convenient for subsequent recycling and reuse.

[0032] Working principle: When the airflow carrying sparks enters the guide shell 2 from the air inlet duct 3, the airflow first collides with the first guide plate 7, and then moves along the guide area. During this process, the sparks continuously collide with the first guide plate 7, the second guide plate 8, and the guide shell 2, consuming the kinetic energy of the sparks and causing them to lose their ignition ability. During the collision of the sparks with the first guide plate 7 and the second guide plate 8, the particles and dust they carry will separate from the sparks due to inertia and fall. Dust and impurities enter the collection box 16 through the first impurity discharge channel, while the remaining impurities enter the filter element body 6 for filtration. Some particulate impurities fall on the inclined plate 13, and the inclined surface of the inclined plate 13 guides the particulate impurities through the second impurity discharge channel to the collection box 16. Compared with the traditional single interception structure, this significantly improves the spark capture efficiency, prevents sparks from entering the dust collector and igniting the filter material from the source, and greatly reduces the risk of fire and explosion accidents.

[0033] All technical features in this embodiment can be freely combined according to actual needs.

[0034] 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 high-efficiency impact spark arrester, comprising a dust collector housing (1) and a flow guide shell (2), characterized in that: The flow guide shell (2) is fixedly connected to one side of the dust collector housing (1). The inner wall of the flow guide shell (2) is fixedly connected to a first flow guide plate (7) and a second flow guide plate (8). The first flow guide plate (7) is Z-shaped. The area between the first flow guide plate (7) and the second flow guide plate (8) is a flow guide channel. The bottom of the second flow guide plate (8) and the inner wall of the flow guide shell (2) are a first impurity discharge channel. The side wall of the flow guide shell (2) is fixedly connected to an air inlet pipe (3). The inner cavity of the flow guide shell (2) is provided with a sealing component at the air inlet pipe (3). The top of the dust collector housing (1) is fixedly connected to an air outlet pipe (5). The inner cavity of the dust collector housing (1) is provided with a filter element body (6). The inner cavity of the dust collector housing (1) is provided with an impurity guiding component below the filter element body (6). The bottom of the inner cavity of the dust collector housing (1) is provided with a collection component.

2. The high-efficiency impact spark arrester according to claim 1, characterized in that: The sealing assembly includes an installation tube (9) fixedly connected to the inner wall of the guide shell (2) at the air inlet pipe (3). The inner wall of the installation tube (9) is provided with a baffle (10). A rotating shaft (11) is fixedly connected to the side wall of the baffle (10) near the end face. The other end of the rotating shaft (11) is rotatably connected to the installation tube (9). A torsion spring (12) is assembled on the side wall of the rotating shaft (11).

3. The high-efficiency impact spark arrester according to claim 1, characterized in that: The impurity guiding assembly includes an inclined plate (13) fixedly connected to the second guide plate (8) below the filter element body (6). The bottom surface of the inclined plate (13) is fixedly connected to a first arc plate (14) on one side of the first impurity discharge channel. The inner wall of the left side of the dust collector housing (1) is fixedly connected to a second arc plate (15) on the lower side of the filter element body (6). The area between the second arc plate (15) and the inclined plate (13) is the second impurity discharge channel.

4. The high-efficiency impact spark arrester according to claim 1, characterized in that: The collection assembly includes a through groove on the front side wall of the dust collector housing (1) near the bottom surface, a collection box (16) is slidably connected in the through groove, a pull rod is installed on the side wall of the collection box (16), and a filter assembly is provided in the collection box (16).

5. A high-efficiency impact spark arrester according to claim 4, characterized in that: The filter assembly includes a support plate (17) fixedly connected to the inner wall of the collection box (16), and a filter plate (18) is disposed above the support plate (17).

6. The high-efficiency impact spark arrester according to claim 5, characterized in that: The filter plate (18) has two handles (4) fixedly connected to its top surface.

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