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CN-122006395-A - Enclosed space dust removal device and working method thereof

CN122006395ACN 122006395 ACN122006395 ACN 122006395ACN-122006395-A

Abstract

The invention discloses a dust removing device for a closed space and a working method thereof. The spray device, the three layers of steel gauze and the aeration pipe are sequentially arranged in the water tank from top to bottom. The outside of the water tank is communicated with the water outlet pipe at the bottom and the water inlet pipe at the top through the circulating water pump, so that the water internal circulation is formed. One side of the water tank is provided with a movable sealing door with a hinge, a sealing ring and a buckle, so that the steel gauze can be conveniently pulled out for cleaning. When the device works, dust-containing air is pressurized by the air pump and enters the water tank through the aeration pipe, and is crushed into small bubbles by the multi-layer steel gauze in the ascending process, and the small bubbles are fully mixed with water, so that dust is adsorbed by the water, and discharged clean air contains certain moisture and can play a double removal role in humidifying and assisting dust coagulation sedimentation after being discharged into a closed space. The invention has reasonable structural design, high dust removal efficiency, convenient observation of water turbidity, convenient disassembly, cleaning and pollution discharge and higher practical value.

Inventors

  • GAO YING
  • ZHANG YONGLIANG
  • LU CHENGGANG

Assignees

  • 青岛理工大学

Dates

Publication Date
20260512
Application Date
20260329

Claims (8)

  1. 1. A dust removing device for a closed space is characterized in that an air outlet pipe (1) is arranged at the center of the top of a water tank (2), three steel gauze (8), a steel gauze (9) and a steel gauze (10) are sequentially arranged at the middle position of the inner part of the water tank (2), the spray device (5) is arranged above the liquid level (7) in the water tank, an opening (21) is arranged on a longitudinal pipe (30) of the spray device (5), the spray device (5) is connected with a transverse pipe (27) in the water tank (2), the outer side of the water tank (2) is connected with a water inlet pipe (6), three steel gauze (8), the steel gauze (9) and the steel gauze (10) are sequentially arranged at the middle position of the inner part of the water tank (2), an aeration pipe (11) is arranged below the steel gauze (10), the outer side of the water tank (2) is connected with an air inlet pipe (13), the air inlet pipe (13) is connected with the water outlet pipe (14) at the same position as the water inlet pipe (6), the water outlet pipe (14) is arranged at the same position as the water outlet pipe (14), and the water in the bottom of the water tank (2) is communicated with the water circulating pump (12) and forms internal circulation through the water outlet pipe (14), the water circulating pump (12), the water inlet pipe (6) and the spraying device (5) in sequence.
  2. 2. The enclosed space dust removal device according to claim 1, wherein the water tank (2) is a transparent water tank, the joint of the inner wall of the water tank is sealed by using a waterproof material (3), the water tank (2) is sealed and watertight, a valve (25) is arranged on the water outlet pipe (24), a movable sealing door (15) is arranged on one side, opposite to the water inlet pipe (6) and the water outlet pipe (14), of the outer wall of the water tank (2), a hinge (16) is arranged on one side of the sealing door (15), the sealing door (15) can freely rotate around the hinge (16), a circle of sealing ring (26) is arranged on the inner side of the sealing door (15), and a buckle (20) is arranged on the other side, opposite to the hinge (16), of the sealing door (15).
  3. 3. The enclosed space dust removal device according to claim 1, wherein the spraying device (5) is composed of a horizontal pipe (27), a vertical pipe (30) and an opening (21), the spraying device is connected with the water inlet pipe (6), and the opening (21) is positioned below the vertical pipe (30) in the spraying device (5).
  4. 4. The enclosed space dust collector of claim 1, wherein the aeration pipe (11) is composed of a horizontal pipe (27), a vertical pipe (30) and an opening (21), and is connected with the air inlet pipe (13), and the opening (21) is located above the vertical pipe (30) in the aeration pipe (11).
  5. 5. The enclosed space dust collector of claim 1, wherein the steel gauze (8), the steel gauze (9) and the steel gauze (10) are respectively composed of a cross rod (22), a longitudinal rod (28) and a mesh (23).
  6. 6. The enclosed space dust collector of claim 2, wherein three support bars (17) are respectively arranged on the side wall of the water tank (2), each two support bars (17) are respectively used for supporting and fixing the steel gauze (8), the steel gauze (9) and the steel gauze (10), the support bars (18) and the support bars (19) are respectively arranged at the corresponding inner side positions of each pair of support bars and are on the same horizontal plane with the corresponding support bars (17), and when the sealing door (15) is opened, the steel gauze (8), the steel gauze (9) and the steel gauze (10) can be freely pulled out.
  7. 7. The working method of the enclosed space dust removing device is characterized by comprising the following steps: Under the pressurizing action of an air pump (29), air with dust enters an aeration pipe (11) through an air inlet pipe (13), is dispersed to a longitudinal pipe (30) through a transverse pipe (27), is dispersed out through an opening (21) on the longitudinal pipe (30), and in the rising process, larger bubbles are crushed into small bubbles through a steel gauze (10), a steel gauze (9) and a steel gauze (8) in sequence, so that the air with dust is fully mixed with water, dust in the air is adsorbed by water, clean air is discharged through an air outlet pipe (1) after emerging from a liquid level (7), and water in the bottom of a water tank (2) is circulated in sequence through an water outlet pipe (14), a circulating water pump (12), a water inlet pipe (6) and a spraying device (5), so that the mixing of the air with dust and the spraying water is further enhanced.
  8. 8. The working method of the enclosed space dust removal device according to claim 7 is characterized in that when liquid in the water tank (2) is turbid through visual observation, the valve (25) is opened, turbid water in the water tank (2) is discharged through the water outlet pipe (24), the buckle (20) is unlocked, the sealing door (15) is opened, the steel gauze (8), the steel gauze (9) and the steel gauze (10) are sequentially taken out for cleaning, meanwhile, the inner wall of the water tank (2) is cleaned, the steel gauze (8), the steel gauze (9) and the steel gauze (10) are inserted into the water tank after being cleaned completely, the sealing door (15) is closed, sealing water is guaranteed to be watertight with the water tank (2), clean water is injected to the position of the liquid level (7) again through the air outlet pipe (1), and the air pump (29) is started to repeatedly start air dust absorption.

Description

Enclosed space dust removal device and working method thereof Technical Field The invention relates to the technical field of dust treatment and air purification of enclosed spaces, in particular to a dust removal device for enclosed spaces and a working method thereof. Background In many industrial processes, mining, construction and in particular closed experiments or working spaces, a large amount of dust is often produced. The dust suspended in the air in the closed space not only seriously pollutes the working environment, but also causes great harm to the respiratory system and the health of workers, and even when the concentration is too high, safety accidents such as dust explosion and the like can be caused. Therefore, the dust-containing air in the closed space is effectively dedusted and purified, and is an important link for guaranteeing production safety and personnel health. At present, conventional water bath type or wet type dust removing devices are mostly adopted for dust removing equipment commonly used in a closed space. The conventional working mode is to directly connect the dust-containing air under the liquid level of the water storage tank for bubbling adsorption or spray water mist by means of a single top spraying device so as to achieve the purposes of gas-liquid contact and dust sedimentation. However, there are many disadvantages in practical applications of this conventional wet dust removal method. On the one hand, when the dust-containing air bubbles in water, larger bubbles are often formed, and the large bubbles can quickly float in the water to the liquid level to break, so that the gas-liquid contact area is limited, the residence time is short, the mixing of dust and adsorbed water is very insufficient, and the overall dust adsorption efficiency and dust removal effect are greatly reduced. On the other hand, most of the existing dust removing devices adopt a closed type opaque metal or plastic box structure, and the internal filter components or spoilers are fixed or welded, so that operators cannot intuitively observe and judge the turbidity degree of the internal water quality from the outside, and the time for changing the water is difficult to accurately grasp. More seriously, dirt and dust are easily deposited in the device along with the use time, and the fixed internal structure makes the disassembly, cleaning and daily maintenance of the equipment extremely difficult and complicated. Therefore, the existing enclosed space dust removal device is difficult to meet the actual requirements of efficient dust removal, convenience and visual maintenance. Disclosure of Invention Aiming at the defects that dust and adsorbed water are insufficiently mixed in the existing closed space dust removing process to cause low dust removing efficiency and the filter assembly in the dust removing equipment is inconvenient to detach, clean and maintain, the invention provides the closed space dust removing device and the working method thereof. In order to solve the technical problems, the invention adopts the following technical scheme: a dust removing device for a closed space and a working method thereof are characterized in that an air outlet pipe is arranged at the center of the top of a water tank, an air outlet pipe is arranged at the position of the bottommost side surface of the water tank, a spraying device is arranged at the position of the inner top end of the water tank, the spraying device is arranged above the liquid level in the water tank, an opening is arranged on a longitudinal pipe of the spraying device, the spraying device is connected with a transverse pipe in the water tank, the outer side of the water tank is connected with an inlet pipe, three steel gauze nets, namely a steel gauze, a steel gauze and a steel gauze, are sequentially arranged at the inner middle position of the water tank from top to bottom, an aeration pipe is arranged below the steel gauze, the aeration pipe is connected with an air inlet pipe at the outer side of the water tank, the air inlet pipe is connected with an air pump, an outlet pipe is arranged at the position above the bottom of the water tank, the outlet pipe is positioned on the same side as the inlet pipe, the water inlet pipe is communicated with the water pump through a circulating pump, and water at the bottom of the water tank sequentially circulates inwards through the outlet pipe, the circulating pump, the water inlet pipe and the spraying device. The water tank is a transparent water tank, the joint of the inner wall of the water tank is sealed by waterproof materials to ensure that the water tank is sealed and watertight, a valve is arranged on the water outlet pipe, a movable sealing door is arranged on one side, opposite to the water inlet pipe and the water outlet pipe, of the outer wall of the water tank, a loose leaf is arranged on one side of the sealing door, the sealing door can freely rotate around the loose