CN108479198B - Dust remover and dust removing equipment - Google Patents

Abstract

The invention provides a dust collector and dust removal equipment, and relates to the technical field of dust removal process equipment. The dust collector includes a gas inlet and a gas outlet. The gas inlet is directed toward the gas outlet. The dust collector includes a jet pipe mechanism and a baffle arranged in sequence. , cylinder, cyclone separator and fan; the air outlet of the jet tube mechanism and the air inlet of the cylinder are all facing the baffle, and the distance from the air outlet of the jet tube mechanism to the baffle is smaller than the distance from the air inlet of the cylinder to the baffle ; The cyclone separator is arranged between the cylinder and the fan, the air inlet of the cyclone separator is connected with the cylinder, and the suction force of the fan acts on the air outlet of the cyclone separator, so that the gas to be treated moves along the gas inlet toward the gas outlet; It also includes a humidification device, which is used to humidify the gas ejected from the jet pipe mechanism. The dust collector can achieve higher efficiency, smaller dust particle size and no short circuits.

Description

Dust collectors and dust removal equipment

Technical field

The present invention relates to the technical field of dust removal process equipment, and in particular, to a dust collector and dust removal equipment.

Background technique

Cyclone dust collector is a type of dust removal device. The dust removal mechanism is to make the dust-containing air flow rotate, use centrifugal force to separate the dust particles from the air flow and capture them on the wall, and then use gravity to make the dust particles fall into the ash hopper.

The existing cyclone dust collector consists of an air inlet pipe, an exhaust pipe, a cylinder, a cone and an ash hopper. Cyclone dust collector has a simple structure, is easy to manufacture, install and maintain, and has low equipment investment and operating costs. It has been widely used to separate solid and liquid particles from airflow.

However, the existing cyclone dust collector has the problem of low processing efficiency and weak processing ability for dust with smaller particle size.

Contents of the invention

The object of the present invention is to provide a dust collector and dust removal equipment to alleviate the problems of low processing efficiency and weak processing ability for dust with smaller particle size in existing cyclone dust collectors.

In a first aspect, an embodiment of the present invention provides a dust collector, which includes a gas inlet and a gas outlet. The gas inlet is directed toward the gas outlet. The dust collector includes a jet pipe mechanism, a baffle, and a barrel arranged in sequence. body, cyclone separator and fan;

The air outlet of the jet tube mechanism and the air inlet of the cylinder are both facing the baffle, and the distance from the air outlet of the jet tube mechanism to the baffle is smaller than the distance from the air inlet of the barrel to the baffle. baffle distance;

The cyclone separator is arranged between the cylinder and the fan, the air inlet of the cyclone separator is connected with the cylinder, and the suction force of the fan acts on the air outlet of the cyclone separator to causing the gas to be treated to move along the gas inlet toward the gas outlet;

It also includes a humidification device, which is used to humidify the gas ejected from the jet pipe mechanism.

In conjunction with the first aspect, the embodiment of the present invention provides a first possible implementation of the first aspect, wherein the dust collector includes an outer casing and an inner casing, and the inner casing is located inside the outer casing, so The cylinder is located in the inner casing;

There is a gap between the outer wall of the inner casing and the inner wall of the outer casing, and the gap is used to form a static pressure box cavity; the static pressure box cavity is connected to the gas inlet and the injection pipe mechanism respectively.

In conjunction with the first possible implementation of the first aspect, the embodiment of the present invention provides a second possible implementation of the first aspect, wherein the jet tube mechanism includes a venturi tube, and the humidification device includes a water tank, The water tank is connected with the inner wall of the venturi tube, so that when the static pressure in the venturi tube decreases, the water in the water tank is sucked into the venturi tube.

In combination with the second possible implementation manner of the first aspect, the embodiment of the present invention provides a third possible implementation manner of the first aspect, wherein the number of the venturi tubes is multiple, and the plurality of venturi tubes are The tube surrounds evenly between the outer wall of the inner casing and the inner wall of the outer casing.

In conjunction with the first aspect, embodiments of the present invention provide a fourth possible implementation of the first aspect, wherein a through hole is provided on the baffle, and a funnel-shaped dust accumulation structure is provided below the baffle, so The dust accumulation structure is provided with a dust outlet, so that the particles leaked from the through hole can be discharged from the dust outlet.

In combination with the first possible implementation manner of the first aspect, an embodiment of the present invention provides a fifth possible implementation manner of the first aspect, wherein the number of the cyclones is multiple.

In combination with the fifth possible implementation manner of the first aspect, the embodiment of the present invention provides a sixth possible implementation manner of the first aspect, wherein a plurality of cyclone separators are arranged around the inner wall of the inner casing. and between the outer wall of the cylinder.

In combination with the sixth possible implementation manner of the first aspect, the embodiment of the present invention provides a seventh possible implementation manner of the first aspect, wherein a gas cavity is provided between the cyclone separator and the fan, The air outlets of the plurality of cyclone separators are all connected with the gas cavity, so that the fan applies suction force to the air outlets of the plurality of cyclone separators through the gas cavity.

Combined with the first aspect, the embodiment of the present invention provides an eighth possible implementation of the first aspect, wherein the opening direction of the air outlet of the jet pipe mechanism is perpendicular to the baffle.

In a second aspect, an embodiment of the present invention provides a dust removal equipment, including a support frame, a dust collection device and the above-mentioned dust collector. The support frame is used to support the dust collector; the dust collection device is used to collect dust from all dust collectors. The dust discharged from the dust collector.

The embodiments of the present invention bring the following beneficial effects:

The dust collector provided by the embodiment of the present invention includes a gas inlet and a gas outlet. The gas inlet is in the direction of the gas outlet. The dust collector includes a jet pipe mechanism, a baffle, a cylinder, a cyclone separator, and a jet pipe mechanism arranged in sequence. Fan; the air outlet of the jet tube mechanism and the air inlet of the barrel are both facing the baffle, and the distance from the air outlet of the jet tube mechanism to the baffle is smaller than the distance from the air inlet of the barrel to the baffle. The distance between the baffles; the cyclone separator is arranged between the cylinder and the fan, the air inlet of the cyclone separator is connected to the cylinder, and the suction force of the fan acts on the cyclone The air outlet of the separator allows the gas to be treated to move along the gas inlet toward the gas outlet; it also includes a humidifying device used to humidify the gas ejected from the jet pipe mechanism. The specific principle is as follows: after the dusty gas enters the jet tube mechanism from the gas inlet, the gas speed increases. The humidification device can humidify the gas passing through the jet tube mechanism. The water vapor captures the particles in the dusty gas, and the particles aggregate and become larger. The gas coming out of the trachea mechanism hits the lower baffle, part of the particles adheres to the baffle, and the direction of the gas changes to a horizontal flow. The cylinder has an airflow from bottom to upward, and at the same time, an airflow from bottom to upward is formed below the cylinder. Under the combined action of the upward flow of the cylinder's airflow and the horizontal flow of gas in the jet tube mechanism, a rotating airflow is formed in the space at the lower end of the cylinder, and part of the The particulate matter is separated under the centrifugal force of the rotating air flow. Part of the separated particulate matter will be mixed with the gas flowing out of the jet pipe mechanism and gathered again. It will hit the lower baffle again and be retained on the baffle, whereupon the gas will be purified. The rotating airflow in the space below the cylinder moves upward at the same time and enters the cylinder. The gas enters the cyclone separator from the upper part of the cylinder. In the cyclone separator, part of the particles are removed, the dust is discharged from the dust outlet, and the gas is subjected to another Purification treatment to achieve the purpose of efficient dust removal. Because of the addition of water vapor, dust with smaller diameters can also be captured, improving dust removal efficiency.

The dust removal equipment provided by the embodiment of the present invention includes a support frame, a dust collection device and the above-mentioned dust collector. The support frame is used to support the dust collector to ensure that the dust collector is stable during operation and reduces shaking; the dust collection The device is used to collect the dust discharged from the dust collector. After the dusty gas enters the jet tube mechanism from the gas inlet, the gas speed increases. The humidification device can humidify the gas passing through the jet tube mechanism. The water vapor captures the particles in the dusty gas. The particles aggregate and become larger and come out of the jet tube mechanism. The gas hits the baffle below, some particles adhere to the baffle, and the direction of the gas changes to a horizontal flow. The cylinder has an airflow from bottom to upward, and at the same time, an airflow from bottom to upward is formed below the cylinder. Under the combined action of the upward flow of the cylinder's airflow and the horizontal flow of gas in the jet tube mechanism, a rotating airflow is formed in the space at the lower end of the cylinder, and part of the The particulate matter is separated under the centrifugal force of the rotating air flow. Part of the separated particulate matter will be mixed with the gas flowing out of the jet pipe mechanism and gathered again. It will hit the lower baffle again and be retained on the baffle, whereupon the gas will be purified. The rotating airflow in the space below the cylinder moves upward at the same time and enters the cylinder. The gas enters the cyclone separator from the upper part of the cylinder. In the cyclone separator, part of the particles are removed, the dust is discharged from the dust outlet, and the gas is subjected to another Purification treatment to achieve the purpose of efficient dust removal. Because of the addition of water vapor, dust with smaller diameters can also be captured, improving dust removal efficiency.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description, claims and appended drawings.

In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, preferred embodiments are given below and described in detail with reference to the accompanying drawings.

Description of the drawings

In order to more clearly explain the specific embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings that need to be used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description The drawings illustrate some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting any creative effort.

Figure 1 is a schematic diagram of a dust collector provided by an embodiment of the present invention;

Figure 2 is a schematic diagram of the internal structure of the dust collector provided by the embodiment of the present invention;

Figure 3 is a schematic diagram of the air flow operation of the dust collector provided by the embodiment of the present invention;

Figure 4 is a schematic diagram of the dust removal equipment provided by the embodiment of the present invention.

Icon: 110-gas inlet; 120-gas outlet; 210-venturi tube; 220-baffle; 221-through hole; 230-cylinder; 240-fan; 250-water tank; 260-cyclone separator; 261-dust Exit; 310-outer shell; 320-inner shell; 400-static pressure box cavity; 500-dust accumulation structure; 510-dust outlet; 600-gas cavity; 710-support frame; 720-dust collection device.

Detailed ways

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" appear, ", etc., the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation. Constructed and operated in specific orientations and therefore not to be construed as limitations of the invention. In addition, the terms “first,” “second,” and “third”, if used, are for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, in the description of the embodiments of the present invention, unless otherwise clearly stated and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. Connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

As shown in Figures 1 to 3, the dust collector provided by the embodiment of the present invention includes a gas inlet 110 and a gas outlet 120. The gas inlet 110 is directed toward the gas outlet 120. The dust collector includes spray jets arranged in sequence. The air pipe mechanism, the baffle 220, the barrel 230, the cyclone separator 260 and the fan 240; the air outlet of the jet pipe mechanism and the air inlet of the barrel 230 are all facing the baffle 220, and the air jet pipe mechanism The distance from the air outlet to the baffle 220 is smaller than the distance from the air inlet of the cylinder 230 to the baffle 220; the cyclone separator 260 is provided between the cylinder 230 and the fan 240, The air inlet of the cyclone separator 260 is connected with the barrel 230 , and the suction force of the fan 240 acts on the air outlet of the cyclone separator 260 so that the gas to be treated flows toward the gas along the gas inlet 110 . The outlet 120 moves in the direction; it also includes a humidifying device, which is used to humidify the gas ejected from the jet tube mechanism.

The specific principle is as follows: after the dusty gas enters the jet tube mechanism from the gas inlet 110, the gas speed increases. The humidification device can humidify the gas passing through the jet tube mechanism. The water vapor captures the particles in the dusty gas, and the particles aggregate and become larger. The gas coming out of the jet tube mechanism hits the lower baffle 220, and some particulate matter adheres to the baffle 220, and the direction of the gas changes to a horizontal flow. The cylinder 230 has an air flow from bottom to upward, and at the same time, an air flow from bottom to upward is formed below the cylinder 230. Under the joint action of the upward air flow of the cylinder 230 and the horizontal flow of gas in the jet tube mechanism, a space at the lower end of the cylinder 230 is formed. In the rotating airflow, some particulate matter is separated under the centrifugal force of the rotating airflow. The separated particulate matter will mix with the gas flowing out of the jet pipe mechanism and gather again. It will hit the lower baffle 220 again and be retained on the baffle 220. The gas It was purified. The rotating airflow in the space below the cylinder 230 moves upward at the same time and enters the cylinder 230. The gas enters the cyclone separator 260 from the upper part of the cylinder 230. Some particulate matter is removed in the cyclone separator 260, and the dust is discharged from the dust outlet 261. The gas is purified again to achieve efficient dust removal. Because of the addition of water vapor, dust with smaller diameters can also be captured, improving dust removal efficiency.

The dust collector includes an outer shell 310 and an inner shell 320. The inner shell 320 is located in the outer shell 310, and the cylinder 230 is fixed in the inner shell 320. There is a gap between the outer wall of the inner casing 320 and the inner wall of the outer casing 310, and the gap is used to form a static pressure box cavity 400; the static pressure box cavity 400 is connected to the gas inlet 110 and the injection pipe mechanism respectively. . The static pressure box cavity 400 can reduce dynamic pressure, increase static pressure and stabilize air flow, which can make the air supply effect more ideal. The specific functions are as follows: 1. It can convert part of the dynamic pressure into static pressure to make the wind blow farther; 2. It can reduce the noise; 3. The air volume is evenly distributed; 4. The static pressure box can be used to reduce the noise and obtain uniform static pressure. Pressure out the wind and reduce dynamic pressure loss.

The jet tube mechanism may include an auxiliary air pump, through which the speed of the ejected gas can be increased.

The humidification device can be an atomizer, which processes water to generate water mist, and then sprays the water mist toward the gas in the jet pipe mechanism.

Preferably, the jet tube mechanism may include a venturi tube 210, and the humidification device includes a water tank 250. The water tank 250 is connected to the inner wall of the venturi tube 210, so that when the static pressure in the venturi tube 210 decreases, , the water in the water tank 250 is sucked into the venturi tube 210 . The increase in the gas flow rate in the center of the Venturi tube 210 causes the static pressure in the tube to decrease. The water in the water tank 250 enters from the water pipe into the center of the Venturi tube 210 to form water mist. The water mist captures the particles in the dust-containing gas, and the particles aggregate and become larger. From the jet The gas coming out of the air inlet pipe hits the lower baffle 220, part of the particles adheres to the baffle 220, and the direction of the gas changes to flow horizontally toward the center.

There are multiple venturi tubes 210 , and the plurality of venturi tubes 210 are evenly surrounded between the outer wall of the inner casing 320 and the inner wall of the outer casing 310 . The gas in the annular static pressure box cavity 400 enters the plurality of venturi tubes 210, which improves the efficiency of gas treatment.

The baffle 220 is provided with a through hole 221, and a funnel-shaped dust collecting structure 500 is provided below the baffle 220. The dust collecting structure 500 is provided with a dust outlet 510 to allow dust to leak from the through hole 221. The particulate matter is discharged from the dust outlet 510. As the moisture increases, the particles remaining on the baffle 220 flow into the central circular hole of the baffle 220 with the water, and fall from the central circular hole to the dust outlet 510 for discharge. The dust accumulation structure 500 is funnel-shaped and can effectively guide particulate matter to be discharged from the dust outlet 510 at the lower part.

The baffle 220 may be funnel-shaped, and the through hole 221 is located at the lowest end of the funnel-shaped baffle 220, so that the particles attached to the baffle 220 can fall down from the through hole 221 along the baffle.

There are multiple cyclone separators 260 , and the plurality of cyclone separators 260 are arranged around the inner wall of the inner casing 320 and the outer wall of the barrel 230 . Make rational use of space, increase the number of cyclone separators 260, and improve the efficiency of gas treatment.

A gas cavity 600 is provided between the cyclone separator 260 and the fan 240, and the air outlets of multiple cyclone separators 260 are all connected to the gas cavity 600. By providing the gas cavity 600, one fan 240 can be used to generate negative pressure at the air outlets of multiple cyclones 260.

When the opening direction of the air outlet of the jet tube mechanism is perpendicular to the baffle 220, the opening direction of the air outlet of the jet tube mechanism can also be at a certain inclination angle clockwise or counterclockwise along the periphery of the cylinder, which is conducive to the generation of cut-off airflow at the lower end outlet. Towards the airflow, promoting the formation of cyclones.

As shown in Figure 4, the dust removal equipment provided by the embodiment of the present invention includes a support frame 710, a dust collection device 720 and the above-mentioned dust collector. The support frame 710 is used to support the dust collector to ensure that the dust collector is in operation. Stable and reducing shaking; the dust collection device 720 is used to collect dust discharged from the dust collector. After the dusty gas enters the jet tube mechanism from the gas inlet 110, the gas speed increases. The humidification device can humidify the gas passing through the jet tube mechanism. The water vapor captures the particles in the dusty gas, and the particles aggregate and become larger. From the jet tube mechanism The outgoing gas hits the lower baffle 220, part of the particles adheres to the baffle 220, and the direction of the gas changes to a horizontal flow. The cylinder 230 has an air flow from bottom to upward, and at the same time, an air flow from bottom to upward is formed below the cylinder 230. Under the joint action of the upward air flow of the cylinder 230 and the horizontal flow of gas in the jet tube mechanism, a space at the lower end of the cylinder 230 is formed. In the rotating airflow, some particulate matter is separated under the centrifugal force of the rotating airflow. The separated particulate matter will mix with the gas flowing out of the jet pipe mechanism and gather again. It will hit the lower baffle 220 again and be retained on the baffle 220. The gas It was purified. The rotating airflow in the space below the cylinder 230 moves upward at the same time and enters the cylinder 230. The gas enters the cyclone separator 260 from the upper part of the cylinder 230. Some particulate matter is removed in the cyclone separator 260, and the dust is discharged from the dust outlet 261. The gas is purified again to achieve efficient dust removal. Because of the addition of water vapor, dust with smaller diameters can also be captured, improving dust removal efficiency.

Finally, it should be noted that the above-mentioned embodiments are only specific implementations of the present invention and are used to illustrate the technical solutions of the present invention rather than to limit them. The protection scope of the present invention is not limited thereto. Although refer to the foregoing The embodiments illustrate the present invention in detail. Those of ordinary skill in the art should understand that any person familiar with the technical field can still modify the technical solutions recorded in the foregoing embodiments within the technical scope disclosed by the present invention. It may be easy to think of changes, or equivalent substitutions of some of the technical features; and these modifications, changes or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and they should all be included in the present invention. within the scope of protection. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

Claims (4)

1. A dust collector, characterized in that it includes a gas inlet and a gas outlet, and the gas inlet is in the direction of the gas outlet. The dust collector includes a jet pipe mechanism, a baffle, a cylinder, and a cyclone separator arranged in sequence. appliances and fans; The air outlet of the jet tube mechanism and the air inlet of the cylinder are both facing the baffle, and the distance from the air outlet of the jet tube mechanism to the baffle is smaller than the distance from the air inlet of the barrel to the baffle. baffle distance; The cyclone separator is arranged between the cylinder and the fan, the air inlet of the cyclone separator is connected with the cylinder, and the suction force of the fan acts on the air outlet of the cyclone separator to causing the gas to be treated to move along the gas inlet toward the gas outlet; It also includes a humidification device, which is used to humidify the gas ejected from the jet pipe mechanism; The dust collector includes an outer shell and an inner shell, the inner shell is located in the outer shell, and the cylinder is located in the inner shell; There is a gap between the outer wall of the inner casing and the inner wall of the outer casing, and the gap is used to form a static pressure box cavity; the static pressure box cavity is connected to the gas inlet and the injection pipe mechanism respectively; The jet tube mechanism includes a venturi tube, and the humidification device includes a water tank. The water tank is connected with the inner wall of the venturi tube, so that when the static pressure in the venturi tube decreases, the water in the water tank is Suction into the venturi tube; The number of the venturi tubes is multiple, and the plurality of venturi tubes are evenly surrounded between the outer wall of the inner casing and the inner wall of the outer casing; A through hole is provided on the baffle, and a funnel-shaped dust accumulation structure is provided below the baffle. A dust outlet is provided on the dust accumulation structure, so that the particles leaking from the through hole can pass through the dust accumulation structure. Discharge from the dust outlet; The number of the cyclone separators is multiple; A plurality of the cyclone separators are circumferentially arranged between the inner wall of the inner casing and the outer wall of the cylinder. 2. The dust collector according to claim 1, characterized in that a gas cavity is provided between the cyclone separator and the fan, and the air outlets of the plurality of cyclone separators are in contact with the gas cavity. Communicated, so that the fan exerts suction force on the air outlets of multiple cyclone separators through the gas cavity. 3. The dust collector according to claim 1, characterized in that the opening direction of the air outlet of the jet pipe mechanism is perpendicular to the baffle. 4. A dust removal equipment, characterized in that it includes a support frame, a dust collection device and the dust collector according to any one of claims 1-3, the support frame is used to support the dust collector; the dust collection device Used to collect dust discharged from the dust collector.