A dust-proof device for powder conveying equipment

Abstract

The utility model relates to dustproof device technical field discloses a kind of blanking dustproof devices for powder conveying equipment, including collection box and filter screen, the inside wall of collection box is provided with mounting mechanism, the outer wall of collection box is provided with dust-settling mechanism, the mounting mechanism includes two threaded rods, the middle part of the two sides of the inside wall of collection box is equipped with cavity, the side of the two threaded rods close to filter screen center is rotatably connected with cavity, the outer wall of two threaded rods is uniformly equipped with threaded sleeve, the both ends of the outer wall of two threaded sleeves are fixedly connected with limit block. In the utility model, by the mechanical cooperation of threaded rod and threaded sleeve, drive connecting rod and clamping block move, make clamping block and filter screen snap groove quickly separate, so as to complete the disassembly and replacement of filter screen without tools, water pump pressurizes the water in water tank and conveys to atomizing nozzle, increase the contact area with dust, realize the effective inhibition to blanking area.

Description

Technical Field

[0001] This utility model relates to the field of dust prevention device technology, and in particular to a dust prevention device for material conveying equipment. Background Technology

[0002] In many industrial sectors such as building materials, chemicals, metallurgy, food processing, and pharmaceuticals, the conveying of powdered materials is one of the core production processes. During this process, when materials fall through chutes and pipelines at transfer points, the huge drop causes them to carry a large amount of air and generate violent impacts, thus inducing severe dust dispersion. This dispersed dust not only causes considerable economic losses but is also a major source of inhalable particulate matter pollution in the workplace, posing a long-term threat to the respiratory health of operators. Currently, a common solution to this problem is to install a sealed hood and filter screen at the material drop point. The filter screen can effectively capture most of the coarser particles through mechanical interception.

[0003] Traditional devices typically use bolt-on clamps for fixing, requiring workers to use tools to remove each bolt individually during replacement or cleaning, a cumbersome process. Furthermore, traditional devices often employ simple sprinkling, crude spraying, or direct airflow for dust removal, resulting in extremely poor dust capture efficiency.

[0004] Therefore, those skilled in the art have provided a dust prevention device for powder conveying equipment to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a dust prevention device for powder conveying equipment. Through the mechanical cooperation of the threaded rod and the threaded sleeve, the connecting rod and the locking block are driven to move, so that the locking block is quickly disengaged from the filter screen slot. Thus, the filter screen can be disassembled and replaced without tools. The water pump pressurizes the water in the water tank and delivers it to the atomizing nozzle to increase the contact area with the dust and achieve effective suppression of the falling material area.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A dust prevention device for powder conveying equipment includes a collection box and a filter screen. The inner wall of the collection box is provided with an installation mechanism, and the outer wall of the collection box is provided with a dust suppression mechanism. The installation mechanism includes two threaded rods. A cavity is formed in the middle of both sides of the inner wall of the collection box. The two threaded rods are rotatably connected to the cavity on the side near the center of the filter screen. A threaded sleeve is fitted onto the outer wall of each of the two threaded rods. Limit blocks are fixedly connected to both ends of the outer wall of each of the two threaded sleeves. Connecting rods are fixedly connected to both ends of the side of each threaded sleeve near the center of the filter screen. A locking block is fixedly connected to the side of each adjacent connecting rod near the center of the filter screen. A rotating block is fixedly connected to the side of each threaded rod away from the center of the filter screen. Slots are formed on both sides of the outer wall of the filter screen, and grooves are formed in the middle of both sides of the inner wall of the collection box. The above technical solution uses the cooperation of the threaded rod and threaded sleeve to move the connecting rod and the locking block, thereby disengaging the locking block from the locking slot and allowing the filter screen to be disassembled and replaced. This achieves quick assembly and disassembly, facilitating filter screen replacement, cleaning and maintenance. The entire process requires no tools, improving the reliability and maintainability of the equipment itself.

[0007] Furthermore, a fixing plate is fixedly connected to the lower part of the other side of the outer wall of the collection box, a water pump is fixedly connected to the middle of the upper part of the fixing plate, a connecting pipe is connected through the water inlet of the water pump, a water tank is connected through the rear end of the connecting pipe, a corrugated pipe is connected through the water outlet of the water pump, a water outlet pipe is connected through the upper end of the corrugated pipe, a plurality of atomizing nozzles are evenly arranged at the upper end of the water outlet pipe, a water inlet is provided at the upper part of the front end of the water tank, and a water outlet is provided at the lower part of the front end of the water tank. The above technical solution uses a water pump and a water tank to pump water from the tank into the outlet pipe through a connecting pipe, and then sprays it out through an atomizing nozzle. This increases the contact area and collision probability between the water mist and dust particles, resulting in extremely high capture efficiency and suppressing dust in the material drop area.

[0008] Furthermore, a baffle is fixedly connected to the upper end of the outer wall of the collection box, and a discharge port is opened through the front of the lower end of the collection box. An electromagnetic control valve is provided on the outer wall of the discharge port. Through the above technical solution, the baffle prevents the material from splashing out of the collection box due to inertial impact the moment it falls into the collection box, and the discharge port and electromagnetic control valve realize the controllable, centralized and automated discharge of collected powder.

[0009] Furthermore, both of the aforementioned card blocks engage with the card slots, and both of the aforementioned card blocks slide within the inner wall of the groove; Through the above technical solution, the snap-fit ​​connection forms a solid mechanical interlock, ensuring that the filter screen will not loosen or fall off due to airflow or vibration during operation, thus improving the reliability of the fixation.

[0010] Furthermore, the side of each adjacent connecting rod near the center of the filter screen extends through the cavity and groove into the groove; The above technical solution enables the linear motion of the threaded sleeve to be accurately transmitted to the locking block in the working area of ​​the groove via the connecting rod.

[0011] Furthermore, both of the threaded sleeves are threadedly connected to the threaded rod, and the plurality of the limiting blocks slide on the inner wall of the cavity; Through the above technical solution, the threaded connection can convert rotational motion into linear motion, and the setting of the limit block makes the threaded sleeve only slide and not rotate.

[0012] Furthermore, one side of the corrugated pipe extends through the collection box into the interior of the collection box; Through the above technical solutions, corrugated pipes can effectively compensate for and absorb vibrations and minor displacements between equipment and pipelines, preventing pipeline joints from loosening or breaking due to long-term vibration.

[0013] Furthermore, the upper ends of each of the atomizing nozzles extend through the collection box to the outside of the collection box; The above technical solutions ensure that the water mist can cover the dust cloud at the optimal angle and position, achieving efficient dust suppression.

[0014] This utility model has the following beneficial effects: 1. The present invention proposes a dust prevention device for powder conveying equipment. By cooperating with the threaded rod and the threaded sleeve, the connecting rod and the locking block are moved, thereby disengaging the locking block from the locking groove, so that the filter screen can be disassembled and replaced. This achieves quick assembly and disassembly, which facilitates the replacement, cleaning and maintenance of the filter screen. The whole process does not require tools, which improves the reliability and maintainability of the equipment itself.

[0015] 2. The present invention proposes a dust suppression device for powder conveying equipment. By using a water pump and a water tank, water in the water tank enters the water outlet through a connecting pipe, and then is sprayed out through an atomizing nozzle. This increases the contact area and collision probability between the water mist and the dust particles, resulting in extremely high capture efficiency and suppression of dust in the material dropping area. Attached Figure Description

[0016] Figure 1 This is an isometric view of a dust prevention device for a powder conveying equipment proposed in this utility model; Figure 2 This is a partial structural diagram of a dust prevention device for a powder conveying equipment proposed in this utility model; Figure 3 This is a partial exploded view of a dust prevention device for a powder conveying equipment proposed in this utility model; Figure 4This is a partial orthosectional view of a dust-prevention device for a powder conveying equipment according to the present invention; Figure 5 This is a partial structural diagram of a dust prevention device for a powder conveying equipment proposed in this utility model; Figure 6 for Figure 2 Enlarged view of point A in the middle.

[0017] Explanation of reference numerals in the attached figures: 1. Installation mechanism; 101. Cavity; 102. Threaded rod; 103. Threaded sleeve; 104. Limiting block; 105. Connecting rod; 106. Locking block; 107. Locking groove; 108. Rotating block; 109. Groove; 2. Dust suppression mechanism; 201. Water pump; 202. Connecting pipe; 203. Water tank; 204. Corrugated pipe; 205. Water outlet pipe; 206. Atomizing nozzle; 207. Water inlet; 208. Water outlet; 3. Collection box; 4. Filter screen; 5. Baffle; 6. Discharge port; 7. Solenoid control valve; 8. Fixing plate. Detailed Implementation

[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments. Obviously, the described specific embodiments are only a part of the specific embodiments of the present invention, and not all of them. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Reference Figure 1 , Figure 2 and Figure 3 This utility model provides a specific implementation method: A dust prevention device for powder conveying equipment includes a collection box 3 and a filter screen 4. The inner wall of the collection box 3 is provided with an installation mechanism 1, and the outer wall of the collection box 3 is provided with a dust suppression mechanism 2. The installation mechanism 1 includes two threaded rods 102. A cavity 101 is opened in the middle of both sides of the inner wall of the collection box 3. The two threaded rods 102 are rotatably connected to the cavity 101 on the side near the center of the filter screen 4. The outer wall of the two threaded rods 102 is fitted with a threaded sleeve 103. Limiting blocks 104 are fixedly connected to both ends of the outer wall of the two threaded sleeves 103. Connecting rods 105 are fixedly connected to both ends of the side of the two threaded sleeves 103 near the center of the filter screen 4. A locking block 106 is fixedly connected to the side of the adjacent connecting rods 105 near the center of the filter screen 4. A rotating block 108 is fixedly connected to the side of the two threaded rods 102 away from the center of the filter screen 4. The outer wall of the filter screen 4 is provided with a locking groove 107 on both sides. A groove 109 is opened in the middle of both sides of the inner wall of the collection box 3. The threaded rod 102 and the threaded sleeve 103 work together to move the connecting rod 105 and the locking block 106, thereby disengaging the locking block 106 from the locking groove 107, allowing the filter screen 4 to be disassembled and replaced. This enables quick assembly and disassembly, facilitating the replacement, cleaning and maintenance of the filter screen 4. The entire process requires no tools, improving the reliability and maintainability of the equipment itself.

[0020] Reference Figure 4 , Figure 5 and Figure 6 A fixing plate 8 is fixedly connected to the lower part of the other side of the outer wall of the collection box 3. A water pump 201 is fixedly connected to the middle part of the upper end of the fixing plate 8. A connecting pipe 202 is connected through the water inlet end of the water pump 201. A water tank 203 is connected through the rear end of the connecting pipe 202. A corrugated pipe 204 is connected through the water outlet end of the water pump 201. A water outlet pipe 205 is connected through the upper end of the corrugated pipe 204. Multiple atomizing nozzles 206 are evenly arranged at the upper end of the water outlet pipe 205. A water inlet 207 is provided at the upper part of the front end of the water tank 203. A water outlet 208 is provided at the lower part of the front end of the water tank 203. Through the cooperation of the water pump 201 and the water tank 203, the water in the water tank 203 is pumped through the connecting pipe 202. 2. The water enters the outlet pipe 205 and is then sprayed out through the atomizing nozzle 206, increasing the contact area and collision probability between the water mist and dust particles, resulting in extremely high capture efficiency and suppressing dust in the material drop area. A baffle 5 is fixedly connected to the upper end of the outer wall of the collection box 3, and a discharge port 6 is opened through the front of the lower end of the collection box 3. An electromagnetic control valve 7 is installed on the outer wall of the discharge port 6. The baffle 5 prevents the material from splashing out of the box due to inertial impact when it falls into the collection box 3. The discharge port 6 and the electromagnetic control valve 7 realize the controllable, centralized and automated discharge of collected powder. Both locking blocks 106 are engaged with the locking slot 107, and both locking blocks 106 slide on the inner wall of the groove 109. The interlocking connection forms a robust mechanical interlock, ensuring that the filter screen 4 will not loosen or fall off due to airflow or vibration during operation, thus improving the reliability of the fixation. The side of the adjacent connecting rods 105 closest to the center of the filter screen 4 penetrates the cavity 101 and the groove 109 into the groove 109, allowing the linear movement of the threaded sleeve 103 to be accurately transmitted to the locking block 106 within the working area of ​​the groove 109 via the connecting rods 105. Both threaded sleeves 103 are threadedly connected to the threaded rod 102, and multiple limiting blocks 104 are located within the cavity 101. The inner wall slides, and the threaded connection can convert rotational motion into linear motion. The setting of the limiting block 104 makes the threaded sleeve 103 slide but not rotate. One side of the bellows 204 penetrates through the collection box 3 to the inside of the collection box 3. The bellows 204 can effectively compensate for and absorb the vibration and small displacement between the equipment and the pipeline, and prevent the pipeline joint from loosening or breaking due to long-term vibration. The upper ends of multiple atomizing nozzles 206 all penetrate through the collection box 3 to the outside of the collection box 3, ensuring that the water mist can cover the dust cloud at the best angle and position, and achieve efficient dust suppression.

[0021] Working principle: When the equipment starts operating and material feeding begins, the water pump 201 is activated. The water pump 201 draws water from the water tank 203 through the connecting pipe 202 and pressurizes the water. The pressurized water is then delivered through the corrugated pipe 204 and the outlet pipe 205 to the evenly distributed atomizing nozzles 206. The atomizing nozzles 206 pulverize the high-pressure water into extremely fine water mist particles. These water mist particles collide and come into contact with the flying dust particles. After being wetted, the dust particles settle due to their increased weight and fall back to the bottom of the collection box 3, achieving effective dust suppression. To further improve the dust removal effect, a filter screen 4 is installed inside the box to intercept powder particles with a diameter larger than the mesh size on its surface, completing the initial gas-solid separation and preventing dust from overflowing. When the filter screen 4 needs to be replaced, rotating the rotating block 108 drives the threaded rod 102 to rotate in the cavity 101. The threaded sleeve 103 moves linearly along the axis of the threaded rod 102, thereby driving the connecting rod 105 and the locking block 106 forward together, so that the locking block 106 is disengaged from the locking groove 107. During installation, simply rotate the rotating block 108 in the opposite direction to engage the locking block 106 with the groove 109, which greatly facilitates the replacement, cleaning and daily maintenance of the filter screen 4. The collected powder accumulates at the bottom of the box. After reaching a certain amount, the electromagnetic control valve 7 can be opened periodically or continuously to discharge the powder through the discharge port 6, realizing the recovery of the material. The baffle 5 is set to prevent the material from splashing out of the collection box 3 when it falls in.

[0022] The following points should be noted in this article: 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in a general design.

[0023] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0024] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing specific embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A dust prevention device for powder conveying equipment, comprising a collection box (3) and a filter screen (4), characterized in that: The inner wall of the collection box (3) is provided with an installation mechanism (1), and the outer wall of the collection box (3) is provided with a dust suppression mechanism (2). The installation mechanism (1) includes two threaded rods (102). A cavity (101) is provided in the middle of both sides of the inner wall of the collection box (3). The two threaded rods (102) are rotatably connected to the cavity (101) on the side near the center of the filter screen (4). The outer walls of the two threaded rods (102) are fitted with threaded sleeves (103). Limiting blocks (104) are fixedly connected to both ends of the outer walls of the two threaded sleeves (103). Connecting rods (105) are fixedly connected to both ends of the side of the two threaded sleeves (103) near the center of the filter screen (4). A locking block (106) is fixedly connected to the side of the adjacent connecting rods (105) near the center of the filter screen (4). A rotating block (108) is fixedly connected to the side of the two threaded rods (102) away from the center of the filter screen (4). A slot (107) is provided on both sides of the outer wall of the filter screen (4). A groove (109) is provided in the middle of both sides of the inner wall of the collection box (3).

2. The dust prevention device for powder conveying equipment according to claim 1, characterized in that: A fixing plate (8) is fixedly connected to the lower part of the other side of the outer wall of the collection box (3). A water pump (201) is fixedly connected to the middle part of the upper end of the fixing plate (8). A connecting pipe (202) is connected through the water inlet end of the water pump (201). A water tank (203) is connected through the rear end of the connecting pipe (202). A corrugated pipe (204) is connected through the water outlet end of the water pump (201). A water outlet pipe (205) is connected through the upper end of the corrugated pipe (204). A plurality of atomizing nozzles (206) are evenly arranged at the upper end of the water outlet pipe (205). A water inlet (207) is provided at the upper part of the front end of the water tank (203). A water outlet (208) is provided at the lower part of the front end of the water tank (203).

3. The dust prevention device for powder conveying equipment according to claim 1, characterized in that: A baffle (5) is fixedly connected to the upper end of the outer wall of the collection box (3), and a discharge port (6) is opened through the front of the lower end of the collection box (3). An electromagnetic control valve (7) is provided on the outer wall of the discharge port (6).

4. The dust prevention device for powder conveying equipment according to claim 1, characterized in that: Both of the card blocks (106) engage with the card slot (107) and slide on the inner wall of the groove (109).

5. A dust prevention device for powder conveying equipment according to claim 1, characterized in that: The adjacent connecting rods (105) on the side near the center of the filter screen (4) all penetrate through the cavity (101) and the groove (109) to the inside of the groove (109).

6. A dust prevention device for powder conveying equipment according to claim 1, characterized in that: Both of the threaded sleeves (103) are threadedly connected to the threaded rod (102), and the plurality of the limiting blocks (104) slide on the inner wall of the cavity (101).

7. A dust prevention device for powder conveying equipment according to claim 2, characterized in that: The corrugated pipe (204) extends through the collection box (3) to the inside of the collection box (3) on one side.

8. A dust prevention device for powder conveying equipment according to claim 2, characterized in that: The upper ends of the multiple atomizing nozzles (206) all penetrate through the collection box (3) to the outside of the collection box (3).

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