Air suction type cyclone dust collector
By designing a suction-type cyclone dust collector, the negative pressure and washing liquid are used to capture rice dust, solving the problem of incomplete dust removal in rice processing by traditional cyclone dust collectors, and achieving more efficient dust removal and equipment cleaning.
Patent Information
- Application Number
- CN202520454418.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-14
AI Technical Summary
Traditional cyclone dust collectors are ineffective at removing small rice grains during rice processing, causing them to adhere to the inner walls of the equipment and pipes, forming a paste-like substance that affects equipment operation.
The suction-type cyclone dust collector uses negative pressure to force the exhaust gas into the outer cylinder to form a vortex. After the particles settle, they come into contact with the dust washing liquid in the water seal box and are captured. The clean airflow is discharged from the exhaust pipe, achieving the effect of washing the gas.
It improves dust removal efficiency, reduces the emission of rice dust in the gas, reduces pollution to equipment and pipelines, and extends the service life of the equipment.
Smart Images
Figure CN223931631U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of grain and oil processing equipment, and relates to a suction-type cyclone dust collector. Background Technology
[0002] The dust removal mechanism of a cyclone dust collector is to make the dust-laden airflow rotate, and use centrifugal force to separate dust particles from the airflow and collect them on the wall of the collector. Then, the dust particles fall into the ash hopper by gravity, thus achieving the separation of particulate matter in the air. It includes an outer cylinder connected to the air inlet, an air outlet cylinder connected to the air outlet, and an ash discharge port located at the bottom of the outer cylinder. The inner cylinder is located inside the outer cylinder. Generally, airflow is introduced into the cyclone dust collector from the inlet. After the airflow enters the outer cylinder, due to the conical structure of the inner wall of the outer cylinder, the particles form an outer vortex inside the inner cylinder, while the filtered airflow forms an upward inner vortex below the inner cylinder. Although the cyclone dust collector can filter out particles to a great extent, in the rice processing process, a large part of the particulate matter in the exhaust gas is rice dust with a wide range of particle sizes. The gas discharged from the outlet still contains a certain amount of small-sized rice dust, which adheres to the inner wall of the equipment and the inner wall of the pipes and easily forms a paste, affecting the operation of the equipment. Therefore, for rice processing, traditional cyclone dust collectors are difficult to meet the requirements. Utility Model Content
[0003] The purpose of this utility model is to address the aforementioned problems in the existing technology by providing a suction-type cyclone dust collector. The technical problem to be solved by this utility model is how to optimize the dust removal effect.
[0004] The objective of this utility model can be achieved through the following technical solution: A suction-type cyclone dust collector includes an outer cylinder, an inner cylinder, and an air inlet pipe. It is characterized by further including a water seal box and an air outlet pipe. The water seal box is located above the outer cylinder. The water seal box contains an annular water tank and a cover plate that seals the top opening of the water seal box. The air outlet pipe connects to the inner cavity of the water seal box above the annular water tank. The outlet of the inner cylinder connects to the inner cavity of the water seal box. The lower surface of the cover plate has an annular partition located between the inner and outer peripheral walls of the annular water tank. The annular water tank contains a dust-washing liquid. The air outlet pipe connects to the negative pressure end of an air pump.
[0005] Furthermore, the annular baffle is located above the liquid surface in the annular water tank. In this design, most of the airflow can come into contact with the cleaning liquid, which can be water.
[0006] Alternatively, the annular baffle is located below the liquid level in the annular water tank. In this design, the liquid can wash the gas, but the required suction pressure is relatively high, resulting in higher energy consumption.
[0007] This scheme is similar to the airflow path of a traditional cyclone dust collector, but it replaces the supply air with suction air. The exhaust gas, under negative pressure, enters the outer cylinder through the inlet pipe. Inside the outer cylinder, centrifugal force creates a vortex, causing particles to settle. The clean airflow enters the water seal box from the inner cylinder. Under the action of the annular baffle, the airflow is in a state of large-area contact or washing with the dust-washing liquid. It then passes over the annular baffle and enters the outer side of the annular compartment, finally exiting through the outlet pipe. In this way, rice dust in the centrifugally treated exhaust gas can remain in the dust-washing liquid. Regular water changes ensure cleaner exhaust gas and reduce the impact on pipelines and ventilation equipment. Attached Figure Description
[0008] Figure 1 This is a 3D view of the cyclone dust collector.
[0009] Figure 2 This is an exploded view of the water seal box and the outer cylinder.
[0010] Figure 3 This is a partial sectional view of a cyclone dust collector.
[0011] In the diagram, 1 is the outer cylinder; 2 is the inner cylinder; 3 is the air inlet pipe; 4 is the water seal box; 5 is the air outlet pipe; 6 is the annular water tank; 7 is the cover plate; and 8 is the annular partition plate. Detailed Implementation
[0012] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.
[0013] like Figure 1 , Figure 2 and Figure 3 As shown, the suction-type cyclone dust collector includes an outer cylinder 1, an inner cylinder 2, and an air inlet pipe 3. It also includes a water seal box 4 and an air outlet pipe 5. The water seal box 4 is located above the outer cylinder 1. The water seal box 4 has an annular water tank 6 and a cover plate 7 that covers the opening at the top of the water seal box 4. The air outlet pipe 5 connects to the inner cavity of the water seal box 4 above the annular water tank 6. The outlet of the inner cylinder 2 connects to the inner cavity of the water seal box 4. The lower surface of the cover plate 7 has an annular partition 8, which is located between the inner and outer peripheral walls of the annular water tank 6. The annular water tank 6 contains dust washing liquid. The air outlet pipe 5 is connected to the negative pressure end of an air pump.
[0014] The annular baffle 8 is located above the liquid surface of the annular water tank 6. In this design, most of the airflow can come into contact with the cleaning liquid, which can be water.
[0015] As an alternative, the annular baffle 8 is located below the liquid surface of the annular water tank 6. In this design, the liquid can wash the gas, but the required suction pressure is relatively high, resulting in higher energy consumption.
[0016] This scheme is similar to the airflow path of a traditional cyclone dust collector, but it changes the air supply to suction. The exhaust gas, under negative pressure, enters the outer cylinder 1 through the inlet pipe 3. Inside the outer cylinder 1, centrifugal force creates a vortex, causing particles to settle. The clean airflow enters the water seal box 4 from the inner cylinder 2. Under the action of the annular baffle 8, the airflow is in a state of large-area contact or washing with the dust-washing liquid. It then passes over the annular baffle 8 and enters the outer side of the annular box, finally exiting through the outlet pipe 5. In this way, rice dust in the centrifugally treated exhaust gas can remain in the dust-washing liquid. Regular water changes can make the exhaust gas cleaner and reduce the impact on pipelines and ventilation equipment.
[0017] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.
Claims
1. A suction-type cyclone dust collector, comprising an outer cylinder (1), an inner cylinder (2), and an air inlet pipe (3), characterized in that, It also includes a water seal box (4) and an air outlet pipe (5). The water seal box (4) is located above the outer cylinder (1). The water seal box (4) has an annular water tank (6) and a cover plate (7) that covers the top opening of the water seal box (4). The air outlet pipe (5) is connected to the inner cavity of the water seal box (4) above the annular water tank (6). The outlet of the inner cylinder (2) is connected to the inner cavity of the water seal box (4). The lower surface of the cover plate (7) has an annular partition (8). The annular partition (8) is located between the inner and outer peripheral walls of the annular water tank (6). The annular water tank (6) contains dust washing liquid. The air outlet pipe (5) is connected to the negative pressure end of an air pump.
2. The suction-type cyclone dust collector according to claim 1, characterized in that, The annular partition (8) is located above the liquid surface of the annular water tank (6).
3. The suction-type cyclone dust collector according to claim 1, characterized in that, The annular partition (8) is located below the liquid surface of the annular water tank (6).